logging: fix multiple regexp filters on same field (fixes #7049) (#7061)

* logging: fix multiple regexp filters on same field (fixes #7049)

* fix: add proper error handling in MultiRegexpFilter tests

* fix: resolve linter and test issues - Fix GCI import formatting issues - Fix MultiRegexpFilter input size limit test by ensuring output doesn't exceed max length after each operation - All tests now pass and linter issues resolved

* fix: update integration test for proper JSON encoding - Fix expected JSON output to use Unicode escape sequence for ampersand character - Integration tests now pass

.github/ISSUE_TEMPLATE/ISSUE.yml

@@ -0,0 +1,31 @@
+name: Issue
+description: An actionable development item, like a bug report or feature request
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for opening an issue! This is for actionable development items like bug reports and feature requests.
+        If you have a question about using Caddy, please [post on our forums](https://caddy.community) instead.
+  - type: textarea
+    id: content
+    attributes:
+      label: Issue Details
+      placeholder: Describe the issue here. Be specific by providing complete logs and minimal instructions to reproduce, or a thoughtful proposal, etc.
+    validations:
+      required: true
+  - type: dropdown
+    id: assistance-disclosure
+    attributes:
+      label: Assistance Disclosure
+      description: "Our project allows assistance by AI/LLM tools as long as it is disclosed and described so we can better respond. Please certify whether you have used any such tooling related to this issue:"
+      options:
+        - 
+        - AI used
+        - AI not used
+    validations:
+      required: true
+  - type: input
+    id: assistance-description
+    attributes:
+      label: If AI was used, describe the extent to which it was used.
+      description: 'Examples: "ChatGPT translated from my native language" or "Claude proposed this change/feature"'

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Caddy forum
+    url: https://caddy.community
+    about: If you have questions (or answers!) about using Caddy, please use our forum

.github/pull_request_template.md

@@ -0,0 +1,29 @@
+
+
+
+## Assistance Disclosure
+<!--
+Thank you for contributing! Please note:
+
+The use of AI/LLM tools is allowed so long as it is disclosed, so
+that we can provide better code review and maintain project quality.
+
+If you used AI/LLM tooling in any way related to this PR, please
+let us know to what extent it was utilized.
+
+Examples:
+
+"No AI was used."
+"I wrote the code, but Claude generated the tests."
+"I consulted ChatGPT for a solution, but I authored/coded it myself."
+"Cody generated the code, and I verified it is correct."
+"Copilot provided tab completion for code and comments."
+
+We expect that you have vetted your contributions for correctness.
+Additionally, signing our CLA certifies that you have the rights to
+contribute this change.
+
+Replace the text below with your disclosure:
+-->
+
+_This PR is missing an assistance disclosure._

.github/workflows/ai.yml

@@ -0,0 +1,30 @@
+name: AI Moderator
+permissions: read-all
+on:
+  issues:
+    types: [opened]
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+jobs:
+  spam-detection:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+      models: read
+      contents: read
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: github/ai-moderator@6bcdb2a79c2e564db8d76d7d4439d91a044c4eb6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          spam-label: 'spam'
+          ai-label: 'ai-generated'
+          minimize-detected-comments: true
+          # Built-in prompt configuration (all enabled by default)
+          enable-spam-detection: true
+          enable-link-spam-detection: true
+          enable-ai-detection: true
+          # custom-prompt-path: '.github/prompts/my-custom.prompt.yml'  # Optional

.github/workflows/ci.yml

@@ -65,15 +65,15 @@ jobs:
       actions: write # to allow uploading artifacts and cache
     steps:
     - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
       with:
         egress-policy: audit
 
     - name: Checkout code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
     - name: Install Go
-      uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
       with:
         go-version: ${{ matrix.GO_SEMVER }}
         check-latest: true
@@ -162,13 +162,13 @@ jobs:
     continue-on-error: true  # August 2020: s390x VM is down due to weather and power issues
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
           allowed-endpoints: ci-s390x.caddyserver.com:22
 
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Run Tests
         run: |
           set +e
@@ -221,19 +221,19 @@ jobs:
     if: github.event.pull_request.head.repo.full_name == 'caddyserver/caddy' && github.actor != 'dependabot[bot]'
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       
-      - uses: goreleaser/goreleaser-action@9c156ee8a17a598857849441385a2041ef570552 # v6.3.0
+      - uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
         with:
           version: latest
           args: check
       - name: Install Go
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
         with:
           go-version: "~1.25"
           check-latest: true
@@ -241,7 +241,7 @@ jobs:
         run: |
           go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest
           xcaddy version
-      - uses: goreleaser/goreleaser-action@9c156ee8a17a598857849441385a2041ef570552 # v6.3.0
+      - uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
         with:
           version: latest
           args: build --single-target --snapshot

.github/workflows/cross-build.yml

@@ -51,15 +51,15 @@ jobs:
     continue-on-error: true
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Install Go
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
         with:
           go-version: ${{ matrix.GO_SEMVER }}
           check-latest: true

.github/workflows/lint.yml

@@ -45,12 +45,12 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
         with:
           go-version: '~1.25'
           check-latest: true
@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
@@ -90,14 +90,14 @@ jobs:
       pull-requests: write
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
       - name: 'Checkout Repository'
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Dependency Review'
-        uses: actions/dependency-review-action@da24556b548a50705dd671f47852072ea4c105d9 # v4.7.1
+        uses: actions/dependency-review-action@56339e523c0409420f6c2c9a2f4292bbb3c07dd3 # v4.8.0
         with:
           comment-summary-in-pr: on-failure
           # https://github.com/actions/dependency-review-action/issues/430#issuecomment-1468975566

.github/workflows/release.yml

@@ -39,23 +39,23 @@ jobs:
 
     steps:
     - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
       with:
         egress-policy: audit
 
     - name: Checkout code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         fetch-depth: 0
 
     - name: Install Go
-      uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
       with:
         go-version: ${{ matrix.GO_SEMVER }}
         check-latest: true
 
     # Force fetch upstream tags -- because 65 minutes
-    # tl;dr: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 runs this line:
+    # tl;dr: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4.2.2 runs this line:
     #   git -c protocol.version=2 fetch --no-tags --prune --progress --no-recurse-submodules --depth=1 origin +ebc278ec98bb24f2852b61fde2a9bf2e3d83818b:refs/tags/
     # which makes its own local lightweight tag, losing all the annotations in the process. Our earlier script ran:
     #   git fetch --prune --unshallow
@@ -109,11 +109,11 @@ jobs:
         git verify-tag "${{ steps.vars.outputs.version_tag }}" || exit 1
 
     - name: Install Cosign
-      uses: sigstore/cosign-installer@d58896d6a1865668819e1d91763c7751a165e159 # main
+      uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # main
     - name: Cosign version
       run: cosign version
     - name: Install Syft
-      uses: anchore/sbom-action/download-syft@7b36ad622f042cab6f59a75c2ac24ccb256e9b45 # main
+      uses: anchore/sbom-action/download-syft@f8bdd1d8ac5e901a77a92f111440fdb1b593736b # main
     - name: Syft version
       run: syft version
     - name: Install xcaddy
@@ -122,7 +122,7 @@ jobs:
         xcaddy version
     # GoReleaser will take care of publishing those artifacts into the release
     - name: Run GoReleaser
-      uses: goreleaser/goreleaser-action@9c156ee8a17a598857849441385a2041ef570552 # v6.3.0
+      uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
       with:
         version: latest
         args: release --clean --timeout 60m

.github/workflows/release_published.yml

@@ -24,12 +24,12 @@ jobs:
 
     # See https://github.com/peter-evans/repository-dispatch
     - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
       with:
         egress-policy: audit
 
     - name: Trigger event on caddyserver/dist
-      uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
+      uses: peter-evans/repository-dispatch@5fc4efd1a4797ddb68ffd0714a238564e4cc0e6f # v4.0.0
       with:
         token: ${{ secrets.REPO_DISPATCH_TOKEN }}
         repository: caddyserver/dist
@@ -37,7 +37,7 @@ jobs:
         client-payload: '{"tag": "${{ github.event.release.tag_name }}"}'
 
     - name: Trigger event on caddyserver/caddy-docker
-      uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
+      uses: peter-evans/repository-dispatch@5fc4efd1a4797ddb68ffd0714a238564e4cc0e6f # v4.0.0
       with:
         token: ${{ secrets.REPO_DISPATCH_TOKEN }}
         repository: caddyserver/caddy-docker

.github/workflows/scorecard.yml

@@ -37,17 +37,17 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
         with:
           egress-policy: audit
 
       - name: "Checkout code"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
       - name: "Run analysis"
-        uses: ossf/scorecard-action@05b42c624433fc40578a4040d5cf5e36ddca8cde # v2.4.2
+        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
         with:
           results_file: results.sarif
           results_format: sarif
@@ -81,6 +81,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@51f77329afa6477de8c49fc9c7046c15b9a4e79d # v3.29.5
+        uses: github/codeql-action/upload-sarif@3599b3baa15b485a2e49ef411a7a4bb2452e7f93 # v3.29.5
         with:
           sarif_file: results.sarif

admin.go

@@ -1029,6 +1029,13 @@ func handleConfig(w http.ResponseWriter, r *http.Request) error {
 			return err
 		}
 
+		// If this request changed the config, clear the last
+		// config info we have stored, if it is different from
+		// the original source.
+		ClearLastConfigIfDifferent(
+			r.Header.Get("Caddy-Config-Source-File"),
+			r.Header.Get("Caddy-Config-Source-Adapter"))
+
 	default:
 		return APIError{
 			HTTPStatus: http.StatusMethodNotAllowed,

admin_test.go

@@ -149,11 +149,9 @@ func TestLoadConcurrent(t *testing.T) {
 	var wg sync.WaitGroup
 
 	for i := 0; i < 100; i++ {
-		wg.Add(1)
-		go func() {
+		wg.Go(func() {
 			_ = Load(testCfg, true)
-			wg.Done()
-		}()
+		})
 	}
 	wg.Wait()
 }

caddy.go

@@ -975,11 +975,11 @@ func Version() (simple, full string) {
 		if CustomVersion != "" {
 			full = CustomVersion
 			simple = CustomVersion
-			return
+			return simple, full
 		}
 		full = "unknown"
 		simple = "unknown"
-		return
+		return simple, full
 	}
 	// find the Caddy module in the dependency list
 	for _, dep := range bi.Deps {
@@ -1059,7 +1059,7 @@ func Version() (simple, full string) {
 		}
 	}
 
-	return
+	return simple, full
 }
 
 // Event represents something that has happened or is happening.
@@ -1197,6 +1197,91 @@ var (
 	rawCfgMu sync.RWMutex
 )
 
+// lastConfigFile and lastConfigAdapter remember the source config
+// file and adapter used when Caddy was started via the CLI "run" command.
+// These are consulted by the SIGUSR1 handler to attempt reloading from
+// the same source. They are intentionally not set for other entrypoints
+// such as "caddy start" or subcommands like file-server.
+var (
+	lastConfigMu      sync.RWMutex
+	lastConfigFile    string
+	lastConfigAdapter string
+)
+
+// reloadFromSourceFunc is the type of stored callback
+// which is called when we receive a SIGUSR1 signal.
+type reloadFromSourceFunc func(file, adapter string) error
+
+// reloadFromSourceCallback is the stored callback
+// which is called when we receive a SIGUSR1 signal.
+var reloadFromSourceCallback reloadFromSourceFunc
+
+// errReloadFromSourceUnavailable is returned when no reload-from-source callback is set.
+var errReloadFromSourceUnavailable = errors.New("reload from source unavailable in this process") //nolint:unused
+
+// SetLastConfig records the given source file and adapter as the
+// last-known external configuration source. Intended to be called
+// only when starting via "caddy run --config <file> --adapter <adapter>".
+func SetLastConfig(file, adapter string, fn reloadFromSourceFunc) {
+	lastConfigMu.Lock()
+	lastConfigFile = file
+	lastConfigAdapter = adapter
+	reloadFromSourceCallback = fn
+	lastConfigMu.Unlock()
+}
+
+// ClearLastConfigIfDifferent clears the recorded last-config if the provided
+// source file/adapter do not match the recorded last-config. If both srcFile
+// and srcAdapter are empty, the last-config is cleared.
+func ClearLastConfigIfDifferent(srcFile, srcAdapter string) {
+	if (srcFile != "" || srcAdapter != "") && lastConfigMatches(srcFile, srcAdapter) {
+		return
+	}
+	SetLastConfig("", "", nil)
+}
+
+// getLastConfig returns the last-known config file and adapter.
+func getLastConfig() (file, adapter string, fn reloadFromSourceFunc) {
+	lastConfigMu.RLock()
+	f, a, cb := lastConfigFile, lastConfigAdapter, reloadFromSourceCallback
+	lastConfigMu.RUnlock()
+	return f, a, cb
+}
+
+// lastConfigMatches returns true if the provided source file and/or adapter
+// matches the recorded last-config. Matching rules (in priority order):
+//  1. If srcAdapter is provided and differs from the recorded adapter, no match.
+//  2. If srcFile exactly equals the recorded file, match.
+//  3. If both sides can be made absolute and equal, match.
+//  4. If basenames are equal, match.
+func lastConfigMatches(srcFile, srcAdapter string) bool {
+	lf, la, _ := getLastConfig()
+
+	// If adapter is provided, it must match.
+	if srcAdapter != "" && srcAdapter != la {
+		return false
+	}
+
+	// Quick equality check.
+	if srcFile == lf {
+		return true
+	}
+
+	// Try absolute path comparison.
+	sAbs, sErr := filepath.Abs(srcFile)
+	lAbs, lErr := filepath.Abs(lf)
+	if sErr == nil && lErr == nil && sAbs == lAbs {
+		return true
+	}
+
+	// Final fallback: basename equality.
+	if filepath.Base(srcFile) == filepath.Base(lf) {
+		return true
+	}
+
+	return false
+}
+
 // errSameConfig is returned if the new config is the same
 // as the old one. This isn't usually an actual, actionable
 // error; it's mostly a sentinel value.

caddyconfig/caddyfile/dispenser.go

@@ -308,9 +308,9 @@ func (d *Dispenser) CountRemainingArgs() int {
 }
 
 // RemainingArgs loads any more arguments (tokens on the same line)
-// into a slice and returns them. Open curly brace tokens also indicate
-// the end of arguments, and the curly brace is not included in
-// the return value nor is it loaded.
+// into a slice of strings and returns them. Open curly brace tokens
+// also indicate the end of arguments, and the curly brace is not
+// included in the return value nor is it loaded.
 func (d *Dispenser) RemainingArgs() []string {
 	var args []string
 	for d.NextArg() {
@@ -320,9 +320,9 @@ func (d *Dispenser) RemainingArgs() []string {
 }
 
 // RemainingArgsRaw loads any more arguments (tokens on the same line,
-// retaining quotes) into a slice and returns them. Open curly brace
-// tokens also indicate the end of arguments, and the curly brace is
-// not included in the return value nor is it loaded.
+// retaining quotes) into a slice of strings and returns them.
+// Open curly brace tokens also indicate the end of arguments,
+// and the curly brace is not included in the return value nor is it loaded.
 func (d *Dispenser) RemainingArgsRaw() []string {
 	var args []string
 	for d.NextArg() {
@@ -331,6 +331,18 @@ func (d *Dispenser) RemainingArgsRaw() []string {
 	return args
 }
 
+// RemainingArgsAsTokens loads any more arguments (tokens on the same line)
+// into a slice of Token-structs and returns them. Open curly brace tokens
+// also indicate the end of arguments, and the curly brace is not included
+// in the return value nor is it loaded.
+func (d *Dispenser) RemainingArgsAsTokens() []Token {
+	var args []Token
+	for d.NextArg() {
+		args = append(args, d.Token())
+	}
+	return args
+}
+
 // NewFromNextSegment returns a new dispenser with a copy of
 // the tokens from the current token until the end of the
 // "directive" whether that be to the end of the line or

caddyconfig/caddyfile/dispenser_test.go

@@ -274,6 +274,66 @@ func TestDispenser_RemainingArgs(t *testing.T) {
 	}
 }
 
+func TestDispenser_RemainingArgsAsTokens(t *testing.T) {
+	input := `dir1 arg1 arg2 arg3
+			  dir2 arg4 arg5
+			  dir3 arg6 { arg7
+			  dir4`
+	d := NewTestDispenser(input)
+
+	d.Next() // dir1
+
+	args := d.RemainingArgsAsTokens()
+
+	tokenTexts := make([]string, 0, len(args))
+	for _, arg := range args {
+		tokenTexts = append(tokenTexts, arg.Text)
+	}
+
+	if expected := []string{"arg1", "arg2", "arg3"}; !reflect.DeepEqual(tokenTexts, expected) {
+		t.Errorf("RemainingArgsAsTokens(): Expected %v, got %v", expected, tokenTexts)
+	}
+
+	d.Next() // dir2
+
+	args = d.RemainingArgsAsTokens()
+
+	tokenTexts = tokenTexts[:0]
+	for _, arg := range args {
+		tokenTexts = append(tokenTexts, arg.Text)
+	}
+
+	if expected := []string{"arg4", "arg5"}; !reflect.DeepEqual(tokenTexts, expected) {
+		t.Errorf("RemainingArgsAsTokens(): Expected %v, got %v", expected, tokenTexts)
+	}
+
+	d.Next() // dir3
+
+	args = d.RemainingArgsAsTokens()
+	tokenTexts = tokenTexts[:0]
+	for _, arg := range args {
+		tokenTexts = append(tokenTexts, arg.Text)
+	}
+
+	if expected := []string{"arg6"}; !reflect.DeepEqual(tokenTexts, expected) {
+		t.Errorf("RemainingArgsAsTokens(): Expected %v, got %v", expected, tokenTexts)
+	}
+
+	d.Next() // {
+	d.Next() // arg7
+	d.Next() // dir4
+
+	args = d.RemainingArgsAsTokens()
+	tokenTexts = tokenTexts[:0]
+	for _, arg := range args {
+		tokenTexts = append(tokenTexts, arg.Text)
+	}
+
+	if len(args) != 0 {
+		t.Errorf("RemainingArgsAsTokens(): Expected %v, got %v", []string{}, tokenTexts)
+	}
+}
+
 func TestDispenser_ArgErr_Err(t *testing.T) {
 	input := `dir1 {
 			  }

caddyconfig/caddyfile/formatter.go

@@ -224,7 +224,7 @@ func Format(input []byte) []byte {
 			openBrace = false
 			if beginningOfLine {
 				indent()
-			} else if !openBraceSpace {
+			} else if !openBraceSpace || !unicode.IsSpace(last) {
 				write(' ')
 			}
 			write('{')
@@ -241,7 +241,7 @@ func Format(input []byte) []byte {
 		case ch == '{':
 			openBrace = true
 			openBraceSpace = spacePrior && !beginningOfLine
-			if openBraceSpace {
+			if openBraceSpace && newLines == 0 {
 				write(' ')
 			}
 			openBraceWritten = false

caddyconfig/caddyfile/formatter_test.go

@@ -444,6 +444,21 @@ block2 {
 			input:       "block {respond \"All braces should remain: {{now | date `2006`}}\"}",
 			expect:      "block {respond \"All braces should remain: {{now | date `2006`}}\"}",
 		},
+		{
+			description: "No trailing space on line before env variable",
+			input: `{
+	a
+
+	{$ENV_VAR}
+}
+`,
+			expect: `{
+	a
+
+	{$ENV_VAR}
+}
+`,
+		},
 	} {
 		// the formatter should output a trailing newline,
 		// even if the tests aren't written to expect that

caddyconfig/caddyfile/parse.go

@@ -379,28 +379,23 @@ func (p *parser) doImport(nesting int) error {
 	if len(blockTokens) > 0 {
 		// use such tokens to create a new dispenser, and then use it to parse each block
 		bd := NewDispenser(blockTokens)
+
+		// one iteration processes one sub-block inside the import
 		for bd.Next() {
-			// see if we can grab a key
-			var currentMappingKey string
-			if bd.Val() == "{" {
+			currentMappingKey := bd.Val()
+
+			if currentMappingKey == "{" {
 				return p.Err("anonymous blocks are not supported")
 			}
-			currentMappingKey = bd.Val()
-			currentMappingTokens := []Token{}
-			// read all args until end of line / {
-			if bd.NextArg() {
+
+			// load up all arguments (if there even are any)
+			currentMappingTokens := bd.RemainingArgsAsTokens()
+
+			// load up the entire block
+			for mappingNesting := bd.Nesting(); bd.NextBlock(mappingNesting); {
 				currentMappingTokens = append(currentMappingTokens, bd.Token())
-				for bd.NextArg() {
-					currentMappingTokens = append(currentMappingTokens, bd.Token())
-				}
-				// TODO(elee1766): we don't enter another mapping here because it's annoying to extract the { and } properly.
-				// maybe someone can do that in the future
-			} else {
-				// attempt to enter a block and add tokens to the currentMappingTokens
-				for mappingNesting := bd.Nesting(); bd.NextBlock(mappingNesting); {
-					currentMappingTokens = append(currentMappingTokens, bd.Token())
-				}
 			}
+
 			blockMapping[currentMappingKey] = currentMappingTokens
 		}
 	}
@@ -538,29 +533,24 @@ func (p *parser) doImport(nesting int) error {
 		}
 		// if it is {block}, we substitute with all tokens in the block
 		// if it is {blocks.*}, we substitute with the tokens in the mapping for the *
-		var skip bool
 		var tokensToAdd []Token
+		foundBlockDirective := false
 		switch {
 		case token.Text == "{block}":
+			foundBlockDirective = true
 			tokensToAdd = blockTokens
 		case strings.HasPrefix(token.Text, "{blocks.") && strings.HasSuffix(token.Text, "}"):
+			foundBlockDirective = true
 			// {blocks.foo.bar} will be extracted to key `foo.bar`
 			blockKey := strings.TrimPrefix(strings.TrimSuffix(token.Text, "}"), "{blocks.")
 			val, ok := blockMapping[blockKey]
 			if ok {
 				tokensToAdd = val
 			}
-		default:
-			skip = true
 		}
-		if !skip {
-			if len(tokensToAdd) == 0 {
-				// if there is no content in the snippet block, don't do any replacement
-				// this allows snippets which contained {block}/{block.*} before this change to continue functioning as normal
-				tokensCopy = append(tokensCopy, token)
-			} else {
-				tokensCopy = append(tokensCopy, tokensToAdd...)
-			}
+
+		if foundBlockDirective {
+			tokensCopy = append(tokensCopy, tokensToAdd...)
 			continue
 		}
 

caddyconfig/caddyfile/parse_test.go

@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 )
 
@@ -884,6 +885,51 @@ func TestRejectsGlobalMatcher(t *testing.T) {
 	}
 }
 
+func TestRejectAnonymousImportBlock(t *testing.T) {
+	p := testParser(`
+		(site) {
+			http://{args[0]} https://{args[0]} {
+				{block}
+			}
+		}
+
+		import site test.domain {
+			{ 
+				header_up Host {host}
+				header_up X-Real-IP {remote_host}
+			}
+		}
+	`)
+	_, err := p.parseAll()
+	if err == nil {
+		t.Fatal("Expected an error, but got nil")
+	}
+	expected := "anonymous blocks are not supported"
+	if !strings.HasPrefix(err.Error(), "anonymous blocks are not supported") {
+		t.Errorf("Expected error to start with '%s' but got '%v'", expected, err)
+	}
+}
+
+func TestAcceptSiteImportWithBraces(t *testing.T) {
+	p := testParser(`
+		(site) {
+			http://{args[0]} https://{args[0]} {
+				{block}
+			}
+		}
+
+		import site test.domain {
+			reverse_proxy http://192.168.1.1:8080 { 
+				header_up Host {host}
+			}
+		}
+	`)
+	_, err := p.parseAll()
+	if err != nil {
+		t.Errorf("Expected error to be nil but got '%v'", err)
+	}
+}
+
 func testParser(input string) parser {
 	return parser{Dispenser: NewTestDispenser(input)}
 }

caddyconfig/httpcaddyfile/builtins.go

@@ -91,7 +91,7 @@ func parseBind(h Helper) ([]ConfigValue, error) {
 //	    curves    <curves...>
 //	    client_auth {
 //	        mode                   [request|require|verify_if_given|require_and_verify]
-//	        trust_pool			   <module_name> [...]
+//	        trust_pool             <module_name> [...]
 //	        trusted_leaf_cert      <base64_der>
 //	        trusted_leaf_cert_file <filename>
 //	    }
@@ -481,7 +481,7 @@ func parseTLS(h Helper) ([]ConfigValue, error) {
 	// Validate DNS challenge config: any DNS challenge option except "dns" requires a DNS provider
 	if acmeIssuer != nil && acmeIssuer.Challenges != nil && acmeIssuer.Challenges.DNS != nil {
 		dnsCfg := acmeIssuer.Challenges.DNS
-		providerSet := dnsCfg.ProviderRaw != nil || h.Option("dns") != nil
+		providerSet := dnsCfg.ProviderRaw != nil || h.Option("dns") != nil || h.Option("acme_dns") != nil
 		if len(dnsOptionsSet) > 0 && !providerSet {
 			return nil, h.Errf(
 				"setting DNS challenge options [%s] requires a DNS provider (set with the 'dns' subdirective or 'acme_dns' global option)",

caddyconfig/httpcaddyfile/pkiapp.go

@@ -15,6 +15,8 @@
 package httpcaddyfile
 
 import (
+	"slices"
+
 	"github.com/caddyserver/caddy/v2"
 	"github.com/caddyserver/caddy/v2/caddyconfig"
 	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
@@ -178,6 +180,15 @@ func (st ServerType) buildPKIApp(
 	if _, ok := options["skip_install_trust"]; ok {
 		skipInstallTrust = true
 	}
+
+	// check if auto_https is off - in that case we should not create
+	// any PKI infrastructure even with skip_install_trust directive
+	autoHTTPS := []string{}
+	if ah, ok := options["auto_https"].([]string); ok {
+		autoHTTPS = ah
+	}
+	autoHTTPSOff := slices.Contains(autoHTTPS, "off")
+
 	falseBool := false
 
 	// Load the PKI app configured via global options
@@ -218,7 +229,8 @@ func (st ServerType) buildPKIApp(
 	// if there was no CAs defined in any of the servers,
 	// and we were requested to not install trust, then
 	// add one for the default/local CA to do so
-	if len(pkiApp.CAs) == 0 && skipInstallTrust {
+	// only if auto_https is not completely disabled
+	if len(pkiApp.CAs) == 0 && skipInstallTrust && !autoHTTPSOff {
 		ca := new(caddypki.CA)
 		ca.ID = caddypki.DefaultCAID
 		ca.InstallTrust = &falseBool

caddyconfig/httpcaddyfile/serveroptions.go

@@ -18,6 +18,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"slices"
+	"strconv"
 
 	"github.com/dustin/go-humanize"
 
@@ -42,12 +43,15 @@ type serverOptions struct {
 	WriteTimeout         caddy.Duration
 	IdleTimeout          caddy.Duration
 	KeepAliveInterval    caddy.Duration
+	KeepAliveIdle        caddy.Duration
+	KeepAliveCount       int
 	MaxHeaderBytes       int
 	EnableFullDuplex     bool
 	Protocols            []string
 	StrictSNIHost        *bool
 	TrustedProxiesRaw    json.RawMessage
 	TrustedProxiesStrict int
+	TrustedProxiesUnix   bool
 	ClientIPHeaders      []string
 	ShouldLogCredentials bool
 	Metrics              *caddyhttp.Metrics
@@ -142,6 +146,7 @@ func unmarshalCaddyfileServerOptions(d *caddyfile.Dispenser) (any, error) {
 					return nil, d.Errf("unrecognized timeouts option '%s'", d.Val())
 				}
 			}
+
 		case "keepalive_interval":
 			if !d.NextArg() {
 				return nil, d.ArgErr()
@@ -152,6 +157,26 @@ func unmarshalCaddyfileServerOptions(d *caddyfile.Dispenser) (any, error) {
 			}
 			serverOpts.KeepAliveInterval = caddy.Duration(dur)
 
+		case "keepalive_idle":
+			if !d.NextArg() {
+				return nil, d.ArgErr()
+			}
+			dur, err := caddy.ParseDuration(d.Val())
+			if err != nil {
+				return nil, d.Errf("parsing keepalive idle duration: %v", err)
+			}
+			serverOpts.KeepAliveIdle = caddy.Duration(dur)
+
+		case "keepalive_count":
+			if !d.NextArg() {
+				return nil, d.ArgErr()
+			}
+			cnt, err := strconv.ParseInt(d.Val(), 10, 32)
+			if err != nil {
+				return nil, d.Errf("parsing keepalive count int: %v", err)
+			}
+			serverOpts.KeepAliveCount = int(cnt)
+
 		case "max_header_size":
 			var sizeStr string
 			if !d.AllArgs(&sizeStr) {
@@ -227,6 +252,12 @@ func unmarshalCaddyfileServerOptions(d *caddyfile.Dispenser) (any, error) {
 			}
 			serverOpts.TrustedProxiesStrict = 1
 
+		case "trusted_proxies_unix":
+			if d.NextArg() {
+				return nil, d.ArgErr()
+			}
+			serverOpts.TrustedProxiesUnix = true
+
 		case "client_ip_headers":
 			headers := d.RemainingArgs()
 			for _, header := range headers {
@@ -309,6 +340,8 @@ func applyServerOptions(
 		server.WriteTimeout = opts.WriteTimeout
 		server.IdleTimeout = opts.IdleTimeout
 		server.KeepAliveInterval = opts.KeepAliveInterval
+		server.KeepAliveIdle = opts.KeepAliveIdle
+		server.KeepAliveCount = opts.KeepAliveCount
 		server.MaxHeaderBytes = opts.MaxHeaderBytes
 		server.EnableFullDuplex = opts.EnableFullDuplex
 		server.Protocols = opts.Protocols
@@ -316,6 +349,7 @@ func applyServerOptions(
 		server.TrustedProxiesRaw = opts.TrustedProxiesRaw
 		server.ClientIPHeaders = opts.ClientIPHeaders
 		server.TrustedProxiesStrict = opts.TrustedProxiesStrict
+		server.TrustedProxiesUnix = opts.TrustedProxiesUnix
 		server.Metrics = opts.Metrics
 		if opts.ShouldLogCredentials {
 			if server.Logs == nil {

caddyconfig/httpcaddyfile/shorthands.go

@@ -64,10 +64,13 @@ func placeholderShorthands() []string {
 		"{orig_?query}", "{http.request.orig_uri.prefixed_query}",
 		"{method}", "{http.request.method}",
 		"{uri}", "{http.request.uri}",
+		"{%uri}", "{http.request.uri_escaped}",
 		"{path}", "{http.request.uri.path}",
+		"{%path}", "{http.request.uri.path_escaped}",
 		"{dir}", "{http.request.uri.path.dir}",
 		"{file}", "{http.request.uri.path.file}",
 		"{query}", "{http.request.uri.query}",
+		"{%query}", "{http.request.uri.query_escaped}",
 		"{?query}", "{http.request.uri.prefixed_query}",
 		"{remote}", "{http.request.remote}",
 		"{remote_host}", "{http.request.remote.host}",

caddyconfig/httpcaddyfile/tlsapp.go

@@ -554,6 +554,7 @@ func fillInGlobalACMEDefaults(issuer certmagic.Issuer, options map[string]any) e
 	globalPreferredChains := options["preferred_chains"]
 	globalCertLifetime := options["cert_lifetime"]
 	globalHTTPPort, globalHTTPSPort := options["http_port"], options["https_port"]
+	globalDefaultBind := options["default_bind"]
 
 	if globalEmail != nil && acmeIssuer.Email == "" {
 		acmeIssuer.Email = globalEmail.(string)
@@ -564,21 +565,21 @@ func fillInGlobalACMEDefaults(issuer certmagic.Issuer, options map[string]any) e
 	if globalACMECARoot != nil && !slices.Contains(acmeIssuer.TrustedRootsPEMFiles, globalACMECARoot.(string)) {
 		acmeIssuer.TrustedRootsPEMFiles = append(acmeIssuer.TrustedRootsPEMFiles, globalACMECARoot.(string))
 	}
-	if globalACMEDNSok && (acmeIssuer.Challenges == nil || acmeIssuer.Challenges.DNS == nil) {
-		if globalACMEDNS == nil {
-			globalACMEDNS = options["dns"]
-			if globalACMEDNS == nil {
-				return fmt.Errorf("acme_dns specified without DNS provider config, but no provider specified with 'dns' global option")
-			}
+	if globalACMEDNSok && (acmeIssuer.Challenges == nil || acmeIssuer.Challenges.DNS == nil || acmeIssuer.Challenges.DNS.ProviderRaw == nil) {
+		globalDNS := options["dns"]
+		if globalDNS == nil && globalACMEDNS == nil {
+			return fmt.Errorf("acme_dns specified without DNS provider config, but no provider specified with 'dns' global option")
 		}
-		acmeIssuer.Challenges = &caddytls.ChallengesConfig{
-			DNS: new(caddytls.DNSChallengeConfig),
+		if acmeIssuer.Challenges == nil {
+			acmeIssuer.Challenges = new(caddytls.ChallengesConfig)
 		}
-	} else if globalACMEDNS != nil {
-		acmeIssuer.Challenges = &caddytls.ChallengesConfig{
-			DNS: &caddytls.DNSChallengeConfig{
-				ProviderRaw: caddyconfig.JSONModuleObject(globalACMEDNS, "name", globalACMEDNS.(caddy.Module).CaddyModule().ID.Name(), nil),
-			},
+		if acmeIssuer.Challenges.DNS == nil {
+			acmeIssuer.Challenges.DNS = new(caddytls.DNSChallengeConfig)
+		}
+		// If global `dns` is set, do NOT set provider in issuer, just set empty dns config
+		if globalDNS == nil && acmeIssuer.Challenges.DNS.ProviderRaw == nil {
+			// Set a global DNS provider if `acme_dns` is set and `dns` is NOT set
+			acmeIssuer.Challenges.DNS.ProviderRaw = caddyconfig.JSONModuleObject(globalACMEDNS, "name", globalACMEDNS.(caddy.Module).CaddyModule().ID.Name(), nil)
 		}
 	}
 	if globalACMEEAB != nil && acmeIssuer.ExternalAccount == nil {
@@ -606,6 +607,20 @@ func fillInGlobalACMEDefaults(issuer certmagic.Issuer, options map[string]any) e
 		}
 		acmeIssuer.Challenges.TLSALPN.AlternatePort = globalHTTPSPort.(int)
 	}
+	// If BindHost is still unset, fall back to the first default_bind address if set
+	// This avoids binding the automation policy to the wildcard socket, which is unexpected behavior when a more selective socket is specified via default_bind
+	// In BSD it is valid to bind to the wildcard socket even though a more selective socket is already open (still unexpected behavior by the caller though)
+	// In Linux the same call will error with EADDRINUSE whenever the listener for the automation policy is opened
+	if acmeIssuer.Challenges == nil || (acmeIssuer.Challenges.DNS == nil && acmeIssuer.Challenges.BindHost == "") {
+		if defBinds, ok := globalDefaultBind.([]ConfigValue); ok && len(defBinds) > 0 {
+			if abp, ok := defBinds[0].Value.(addressesWithProtocols); ok && len(abp.addresses) > 0 {
+				if acmeIssuer.Challenges == nil {
+					acmeIssuer.Challenges = new(caddytls.ChallengesConfig)
+				}
+				acmeIssuer.Challenges.BindHost = abp.addresses[0]
+			}
+		}
+	}
 	if globalCertLifetime != nil && acmeIssuer.CertificateLifetime == 0 {
 		acmeIssuer.CertificateLifetime = globalCertLifetime.(caddy.Duration)
 	}

caddyconfig/load.go

@@ -121,6 +121,13 @@ func (adminLoad) handleLoad(w http.ResponseWriter, r *http.Request) error {
 		}
 	}
 
+	// If this request changed the config, clear the last
+	// config info we have stored, if it is different from
+	// the original source.
+	caddy.ClearLastConfigIfDifferent(
+		r.Header.Get("Caddy-Config-Source-File"),
+		r.Header.Get("Caddy-Config-Source-Adapter"))
+
 	caddy.Log().Named("admin.api").Info("load complete")
 
 	return nil

caddytest/integration/caddyfile_adapt/acme_dns_configured.caddyfiletest

@@ -0,0 +1,69 @@
+{
+	acme_dns mock foo
+}
+
+example.com {
+	respond "Hello World"
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"example.com"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"body": "Hello World",
+													"handler": "static_response"
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		},
+		"tls": {
+			"automation": {
+				"policies": [
+					{
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"argument": "foo",
+											"name": "mock"
+										}
+									}
+								},
+								"module": "acme"
+							}
+						]
+					}
+				]
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/acme_dns_naked_without_dns.caddyfiletest

@@ -0,0 +1,9 @@
+{
+	acme_dns
+}
+
+example.com {
+	respond "Hello World"
+}
+----------
+acme_dns specified without DNS provider config, but no provider specified with 'dns' global option

caddytest/integration/caddyfile_adapt/global_server_options_single.caddyfiletest

@@ -18,6 +18,9 @@
 		trusted_proxies static private_ranges
 		client_ip_headers Custom-Real-Client-IP X-Forwarded-For
 		client_ip_headers A-Third-One
+		keepalive_interval 20s
+		keepalive_idle 20s
+		keepalive_count 10
 	}
 }
 
@@ -45,6 +48,9 @@ foo.com {
 					"read_header_timeout": 30000000000,
 					"write_timeout": 30000000000,
 					"idle_timeout": 30000000000,
+					"keepalive_interval": 20000000000,
+					"keepalive_idle": 20000000000,
+					"keepalive_count": 10,
 					"max_header_bytes": 100000000,
 					"enable_full_duplex": true,
 					"routes": [

caddytest/integration/caddyfile_adapt/import_block_anonymous.caddyfiletest

@@ -0,0 +1,13 @@
+(site) {
+    http://{args[0]} https://{args[0]} {
+        {block}
+    }
+}
+import site test.domain {
+    { 
+        header_up Host {host}
+        header_up X-Real-IP {remote_host}
+    }
+}
+----------
+anonymous blocks are not supported

caddytest/integration/caddyfile_adapt/import_block_snippet_non_replaced_block.caddyfiletest

@@ -0,0 +1,57 @@
+(snippet) {
+	header {
+		reverse_proxy localhost:3000
+		{block}
+	}
+}
+
+example.com {
+	import snippet
+}
+---------- 
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"example.com"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"handler": "headers",
+													"response": {
+														"set": {
+															"Reverse_proxy": [
+																"localhost:3000"
+															]
+														}
+													}
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/import_block_snippet_non_replaced_key_block.caddyfiletest

@@ -0,0 +1,57 @@
+(snippet) {
+	header {
+		reverse_proxy localhost:3000
+		{blocks.content_type}
+	}
+}
+
+example.com {
+	import snippet
+}
+---------- 
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"example.com"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"handler": "headers",
+													"response": {
+														"set": {
+															"Reverse_proxy": [
+																"localhost:3000"
+															]
+														}
+													}
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/import_block_with_site_block.caddyfiletest

@@ -0,0 +1,65 @@
+(site) {
+	https://{args[0]} {
+		{block}
+	}
+}
+
+import site test.domain {
+	reverse_proxy http://192.168.1.1:8080 {
+		header_up Host {host}
+	}
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"test.domain"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"handler": "reverse_proxy",
+													"headers": {
+														"request": {
+															"set": {
+																"Host": [
+																	"{http.request.host}"
+																]
+															}
+														}
+													},
+													"upstreams": [
+														{
+															"dial": "192.168.1.1:8080"
+														}
+													]
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/log_multiple_regexp_filters.caddyfiletest

@@ -0,0 +1,95 @@
+:80
+
+log {
+	output stdout
+	format filter {
+		wrap console
+		
+		# Multiple regexp filters for the same field - this should work now!
+		request>headers>Authorization regexp "Bearer\s+([A-Za-z0-9_-]+)" "Bearer [REDACTED]"
+		request>headers>Authorization regexp "Basic\s+([A-Za-z0-9+/=]+)" "Basic [REDACTED]"
+		request>headers>Authorization regexp "token=([^&\s]+)" "token=[REDACTED]"
+		
+		# Single regexp filter - this should continue to work as before
+		request>headers>Cookie regexp "sessionid=[^;]+" "sessionid=[REDACTED]"
+		
+		# Mixed filters (non-regexp) - these should work normally
+		request>headers>Server delete
+		request>remote_ip ip_mask {
+			ipv4 24
+			ipv6 32
+		}
+	}
+}
+----------
+{
+	"logging": {
+		"logs": {
+			"default": {
+				"exclude": [
+					"http.log.access.log0"
+				]
+			},
+			"log0": {
+				"writer": {
+					"output": "stdout"
+				},
+				"encoder": {
+					"fields": {
+						"request\u003eheaders\u003eAuthorization": {
+							"filter": "multi_regexp",
+							"operations": [
+								{
+									"regexp": "Bearer\\s+([A-Za-z0-9_-]+)",
+									"value": "Bearer [REDACTED]"
+								},
+								{
+									"regexp": "Basic\\s+([A-Za-z0-9+/=]+)",
+									"value": "Basic [REDACTED]"
+								},
+								{
+									"regexp": "token=([^\u0026\\s]+)",
+									"value": "token=[REDACTED]"
+								}
+							]
+						},
+						"request\u003eheaders\u003eCookie": {
+							"filter": "regexp",
+							"regexp": "sessionid=[^;]+",
+							"value": "sessionid=[REDACTED]"
+						},
+						"request\u003eheaders\u003eServer": {
+							"filter": "delete"
+						},
+						"request\u003eremote_ip": {
+							"filter": "ip_mask",
+							"ipv4_cidr": 24,
+							"ipv6_cidr": 32
+						}
+					},
+					"format": "filter",
+					"wrap": {
+						"format": "console"
+					}
+				},
+				"include": [
+					"http.log.access.log0"
+				]
+			}
+		}
+	},
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":80"
+					],
+					"logs": {
+						"default_logger_name": "log0"
+					}
+				}
+			}
+		}
+	}
+} 

caddytest/integration/caddyfile_adapt/reverse_proxy_trusted_proxies_unix.caddyfiletest

@@ -0,0 +1,59 @@
+{
+	servers {
+		trusted_proxies_unix
+	}
+}
+
+example.com {
+	reverse_proxy https://local:8080
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"example.com"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"handler": "reverse_proxy",
+													"transport": {
+														"protocol": "http",
+														"tls": {}
+													},
+													"upstreams": [
+														{
+															"dial": "local:8080"
+														}
+													]
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					],
+					"trusted_proxies_unix": true
+				}
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/tls_dns_override_acme_dns.caddyfiletest

@@ -0,0 +1,79 @@
+{
+	acme_dns mock foo
+}
+
+localhost {
+	tls {
+		dns mock bar
+		resolvers 8.8.8.8 8.8.4.4
+	}
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"localhost"
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		},
+		"tls": {
+			"automation": {
+				"policies": [
+					{
+						"subjects": [
+							"localhost"
+						],
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"argument": "bar",
+											"name": "mock"
+										},
+										"resolvers": [
+											"8.8.8.8",
+											"8.8.4.4"
+										]
+									}
+								},
+								"module": "acme"
+							}
+						]
+					},
+					{
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"argument": "foo",
+											"name": "mock"
+										}
+									}
+								},
+								"module": "acme"
+							}
+						]
+					}
+				]
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/tls_dns_override_global_dns.caddyfiletest

@@ -0,0 +1,68 @@
+{
+	dns mock foo
+}
+
+localhost {
+	tls {
+		dns mock bar
+		resolvers 8.8.8.8 8.8.4.4
+	}
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"localhost"
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		},
+		"tls": {
+			"automation": {
+				"policies": [
+					{
+						"subjects": [
+							"localhost"
+						],
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"argument": "bar",
+											"name": "mock"
+										},
+										"resolvers": [
+											"8.8.8.8",
+											"8.8.4.4"
+										]
+									}
+								},
+								"module": "acme"
+							}
+						]
+					}
+				]
+			},
+			"dns": {
+				"argument": "foo",
+				"name": "mock"
+			}
+		}
+	}
+}

caddytest/integration/caddyfile_adapt/tls_dns_resolvers_with_global_provider.caddyfiletest

@@ -0,0 +1,76 @@
+{
+	acme_dns mock
+}
+
+localhost {
+	tls {
+		resolvers 8.8.8.8 8.8.4.4
+	}
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"localhost"
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		},
+		"tls": {
+			"automation": {
+				"policies": [
+					{
+						"subjects": [
+							"localhost"
+						],
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"name": "mock"
+										},
+										"resolvers": [
+											"8.8.8.8",
+											"8.8.4.4"
+										]
+									}
+								},
+								"module": "acme"
+							}
+						]
+					},
+					{
+						"issuers": [
+							{
+								"challenges": {
+									"dns": {
+										"provider": {
+											"name": "mock"
+										}
+									}
+								},
+								"module": "acme"
+							}
+						]
+					}
+				]
+			}
+		}
+	}
+}

caddytest/integration/h2listener_test.go

@@ -0,0 +1,129 @@
+package integration
+
+import (
+	"fmt"
+	"net/http"
+	"slices"
+	"strings"
+	"testing"
+
+	"github.com/caddyserver/caddy/v2/caddytest"
+)
+
+func newH2ListenerWithVersionsWithTLSTester(t *testing.T, serverVersions []string, clientVersions []string) *caddytest.Tester {
+	const baseConfig = `
+	{
+		skip_install_trust
+		admin localhost:2999
+		http_port     9080
+		https_port    9443
+		servers :9443 {
+            protocols %s
+        }
+	}
+	localhost {
+		respond "{http.request.tls.proto} {http.request.proto}"
+	}
+	`
+	tester := caddytest.NewTester(t)
+	tester.InitServer(fmt.Sprintf(baseConfig, strings.Join(serverVersions, " ")), "caddyfile")
+
+	tr := tester.Client.Transport.(*http.Transport)
+	tr.TLSClientConfig.NextProtos = clientVersions
+	tr.Protocols = new(http.Protocols)
+	if slices.Contains(clientVersions, "h2") {
+		tr.ForceAttemptHTTP2 = true
+		tr.Protocols.SetHTTP2(true)
+	}
+	if !slices.Contains(clientVersions, "http/1.1") {
+		tr.Protocols.SetHTTP1(false)
+	}
+
+	return tester
+}
+
+func TestH2ListenerWithTLS(t *testing.T) {
+	tests := []struct {
+		serverVersions []string
+		clientVersions []string
+		expectedBody   string
+		failed         bool
+	}{
+		{[]string{"h2"}, []string{"h2"}, "h2 HTTP/2.0", false},
+		{[]string{"h2"}, []string{"http/1.1"}, "", true},
+		{[]string{"h1"}, []string{"http/1.1"}, "http/1.1 HTTP/1.1", false},
+		{[]string{"h1"}, []string{"h2"}, "", true},
+		{[]string{"h2", "h1"}, []string{"h2"}, "h2 HTTP/2.0", false},
+		{[]string{"h2", "h1"}, []string{"http/1.1"}, "http/1.1 HTTP/1.1", false},
+	}
+	for _, tc := range tests {
+		tester := newH2ListenerWithVersionsWithTLSTester(t, tc.serverVersions, tc.clientVersions)
+		t.Logf("running with server versions %v and client versions %v:", tc.serverVersions, tc.clientVersions)
+		if tc.failed {
+			resp, err := tester.Client.Get("https://localhost:9443")
+			if err == nil {
+				t.Errorf("unexpected response: %d", resp.StatusCode)
+			}
+		} else {
+			tester.AssertGetResponse("https://localhost:9443", 200, tc.expectedBody)
+		}
+	}
+}
+
+func newH2ListenerWithVersionsWithoutTLSTester(t *testing.T, serverVersions []string, clientVersions []string) *caddytest.Tester {
+	const baseConfig = `
+	{
+		skip_install_trust
+		admin localhost:2999
+		http_port     9080
+		servers :9080 {
+            protocols %s
+        }
+	}
+	http://localhost {
+		respond "{http.request.proto}"
+	}
+	`
+	tester := caddytest.NewTester(t)
+	tester.InitServer(fmt.Sprintf(baseConfig, strings.Join(serverVersions, " ")), "caddyfile")
+
+	tr := tester.Client.Transport.(*http.Transport)
+	tr.Protocols = new(http.Protocols)
+	if slices.Contains(clientVersions, "h2c") {
+		tr.Protocols.SetHTTP1(false)
+		tr.Protocols.SetUnencryptedHTTP2(true)
+	} else if slices.Contains(clientVersions, "http/1.1") {
+		tr.Protocols.SetHTTP1(true)
+		tr.Protocols.SetUnencryptedHTTP2(false)
+	}
+
+	return tester
+}
+
+func TestH2ListenerWithoutTLS(t *testing.T) {
+	tests := []struct {
+		serverVersions []string
+		clientVersions []string
+		expectedBody   string
+		failed         bool
+	}{
+		{[]string{"h2c"}, []string{"h2c"}, "HTTP/2.0", false},
+		{[]string{"h2c"}, []string{"http/1.1"}, "", true},
+		{[]string{"h1"}, []string{"http/1.1"}, "HTTP/1.1", false},
+		{[]string{"h1"}, []string{"h2c"}, "", true},
+		{[]string{"h2c", "h1"}, []string{"h2c"}, "HTTP/2.0", false},
+		{[]string{"h2c", "h1"}, []string{"http/1.1"}, "HTTP/1.1", false},
+	}
+	for _, tc := range tests {
+		tester := newH2ListenerWithVersionsWithoutTLSTester(t, tc.serverVersions, tc.clientVersions)
+		t.Logf("running with server versions %v and client versions %v:", tc.serverVersions, tc.clientVersions)
+		if tc.failed {
+			resp, err := tester.Client.Get("http://localhost:9080")
+			if err == nil {
+				t.Errorf("unexpected response: %d", resp.StatusCode)
+			}
+		} else {
+			tester.AssertGetResponse("http://localhost:9080", 200, tc.expectedBody)
+		}
+	}
+}

caddytest/integration/mockdns_test.go

@@ -15,7 +15,9 @@ func init() {
 }
 
 // MockDNSProvider is a mock DNS provider, for testing config with DNS modules.
-type MockDNSProvider struct{}
+type MockDNSProvider struct {
+	Argument string `json:"argument,omitempty"` // optional argument useful for testing
+}
 
 // CaddyModule returns the Caddy module information.
 func (MockDNSProvider) CaddyModule() caddy.ModuleInfo {
@@ -31,7 +33,15 @@ func (MockDNSProvider) Provision(ctx caddy.Context) error {
 }
 
 // UnmarshalCaddyfile sets up the module from Caddyfile tokens.
-func (MockDNSProvider) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
+func (p *MockDNSProvider) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
+	d.Next() // consume directive name
+
+	if d.NextArg() {
+		p.Argument = d.Val()
+	}
+	if d.NextArg() {
+		return d.Errf("unexpected argument '%s'", d.Val())
+	}
 	return nil
 }
 

cmd/commandfuncs.go

@@ -172,9 +172,19 @@ func cmdStart(fl Flags) (int, error) {
 func cmdRun(fl Flags) (int, error) {
 	caddy.TrapSignals()
 
-	logger := caddy.Log()
+	// set up buffered logging for early startup
+	// so that we can hold onto logs until after
+	// the config is loaded (or fails to load)
+	// so that we can write the logs to the user's
+	// configured output. we must be sure to flush
+	// on any error before the config is loaded.
+	logger, defaultLogger, logBuffer := caddy.BufferedLog()
+
 	undoMaxProcs := setResourceLimits(logger)
 	defer undoMaxProcs()
+	// release the local reference to the undo function so it can be GC'd;
+	// the deferred call above has already captured the actual function value.
+	undoMaxProcs = nil //nolint:ineffassign,wastedassign
 
 	configFlag := fl.String("config")
 	configAdapterFlag := fl.String("adapter")
@@ -187,6 +197,7 @@ func cmdRun(fl Flags) (int, error) {
 	// load all additional envs as soon as possible
 	err := handleEnvFileFlag(fl)
 	if err != nil {
+		logBuffer.FlushTo(defaultLogger)
 		return caddy.ExitCodeFailedStartup, err
 	}
 
@@ -204,6 +215,7 @@ func cmdRun(fl Flags) (int, error) {
 			logger.Info("no autosave file exists", zap.String("autosave_file", caddy.ConfigAutosavePath))
 			resumeFlag = false
 		} else if err != nil {
+			logBuffer.FlushTo(defaultLogger)
 			return caddy.ExitCodeFailedStartup, err
 		} else {
 			if configFlag == "" {
@@ -219,9 +231,11 @@ func cmdRun(fl Flags) (int, error) {
 	}
 	// we don't use 'else' here since this value might have been changed in 'if' block; i.e. not mutually exclusive
 	var configFile string
+	var adapterUsed string
 	if !resumeFlag {
-		config, configFile, err = LoadConfig(configFlag, configAdapterFlag)
+		config, configFile, adapterUsed, err = LoadConfig(configFlag, configAdapterFlag)
 		if err != nil {
+			logBuffer.FlushTo(defaultLogger)
 			return caddy.ExitCodeFailedStartup, err
 		}
 	}
@@ -236,11 +250,35 @@ func cmdRun(fl Flags) (int, error) {
 		}
 	}
 
+	// If we have a source config file (we're running via 'caddy run --config ...'),
+	// record it so SIGUSR1 can reload from the same file. Also provide a callback
+	// that knows how to load/adapt that source when requested by the main process.
+	if configFile != "" {
+		caddy.SetLastConfig(configFile, adapterUsed, func(file, adapter string) error {
+			cfg, _, _, err := LoadConfig(file, adapter)
+			if err != nil {
+				return err
+			}
+			return caddy.Load(cfg, true)
+		})
+	}
+
 	// run the initial config
 	err = caddy.Load(config, true)
 	if err != nil {
+		logBuffer.FlushTo(defaultLogger)
 		return caddy.ExitCodeFailedStartup, fmt.Errorf("loading initial config: %v", err)
 	}
+	// release the reference to the config so it can be GC'd
+	config = nil //nolint:ineffassign,wastedassign
+
+	// at this stage the config will have replaced the
+	// default logger to the configured one, so we can
+	// log normally, now that the config is running.
+	// also clear our ref to the buffer so it can get GC'd
+	logger = caddy.Log()
+	defaultLogger = nil //nolint:ineffassign,wastedassign
+	logBuffer = nil     //nolint:wastedassign,ineffassign
 	logger.Info("serving initial configuration")
 
 	// if we are to report to another process the successful start
@@ -256,18 +294,22 @@ func cmdRun(fl Flags) (int, error) {
 			return caddy.ExitCodeFailedStartup,
 				fmt.Errorf("dialing confirmation address: %v", err)
 		}
-		defer conn.Close()
 		_, err = conn.Write(confirmationBytes)
 		if err != nil {
 			return caddy.ExitCodeFailedStartup,
 				fmt.Errorf("writing confirmation bytes to %s: %v", pingbackFlag, err)
 		}
+		// close (non-defer because we `select {}` below)
+		// and release references so they can be GC'd
+		conn.Close()
+		confirmationBytes = nil //nolint:ineffassign,wastedassign
+		conn = nil              //nolint:wastedassign,ineffassign
 	}
 
 	// if enabled, reload config file automatically on changes
 	// (this better only be used in dev!)
 	if watchFlag {
-		go watchConfigFile(configFile, configAdapterFlag)
+		go watchConfigFile(configFile, adapterUsed)
 	}
 
 	// warn if the environment does not provide enough information about the disk
@@ -289,6 +331,9 @@ func cmdRun(fl Flags) (int, error) {
 		}
 	}
 
+	// release the last local logger reference
+	logger = nil //nolint:wastedassign,ineffassign
+
 	select {}
 }
 
@@ -319,7 +364,7 @@ func cmdReload(fl Flags) (int, error) {
 	forceFlag := fl.Bool("force")
 
 	// get the config in caddy's native format
-	config, configFile, err := LoadConfig(configFlag, configAdapterFlag)
+	config, configFile, adapterUsed, err := LoadConfig(configFlag, configAdapterFlag)
 	if err != nil {
 		return caddy.ExitCodeFailedStartup, err
 	}
@@ -337,6 +382,10 @@ func cmdReload(fl Flags) (int, error) {
 	if forceFlag {
 		headers.Set("Cache-Control", "must-revalidate")
 	}
+	// Provide the source file/adapter to the running process so it can
+	// preserve its last-config knowledge if this reload came from the same source.
+	headers.Set("Caddy-Config-Source-File", configFile)
+	headers.Set("Caddy-Config-Source-Adapter", adapterUsed)
 
 	resp, err := AdminAPIRequest(adminAddr, http.MethodPost, "/load", headers, bytes.NewReader(config))
 	if err != nil {
@@ -551,7 +600,7 @@ func cmdValidateConfig(fl Flags) (int, error) {
 			fmt.Errorf("input file required when there is no Caddyfile in current directory (use --config flag)")
 	}
 
-	input, _, err := LoadConfig(configFlag, adapterFlag)
+	input, _, _, err := LoadConfig(configFlag, adapterFlag)
 	if err != nil {
 		return caddy.ExitCodeFailedStartup, err
 	}
@@ -766,7 +815,7 @@ func DetermineAdminAPIAddress(address string, config []byte, configFile, configA
 		loadedConfig := config
 		if len(loadedConfig) == 0 {
 			// get the config in caddy's native format
-			loadedConfig, loadedConfigFile, err = LoadConfig(configFile, configAdapter)
+			loadedConfig, loadedConfigFile, _, err = LoadConfig(configFile, configAdapter)
 			if err != nil {
 				return "", err
 			}

cmd/main.go

@@ -100,7 +100,12 @@ func handlePingbackConn(conn net.Conn, expect []byte) error {
 // there is no config available. It prints any warnings to stderr,
 // and returns the resulting JSON config bytes along with
 // the name of the loaded config file (if any).
-func LoadConfig(configFile, adapterName string) ([]byte, string, error) {
+// The return values are:
+//   - config bytes (nil if no config)
+//   - config file used ("" if none)
+//   - adapter used ("" if none)
+//   - error, if any
+func LoadConfig(configFile, adapterName string) ([]byte, string, string, error) {
 	return loadConfigWithLogger(caddy.Log(), configFile, adapterName)
 }
 
@@ -138,7 +143,7 @@ func isCaddyfile(configFile, adapterName string) (bool, error) {
 	return false, nil
 }
 
-func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([]byte, string, error) {
+func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([]byte, string, string, error) {
 	// if no logger is provided, use a nop logger
 	// just so we don't have to check for nil
 	if logger == nil {
@@ -147,7 +152,7 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 
 	// specifying an adapter without a config file is ambiguous
 	if adapterName != "" && configFile == "" {
-		return nil, "", fmt.Errorf("cannot adapt config without config file (use --config)")
+		return nil, "", "", fmt.Errorf("cannot adapt config without config file (use --config)")
 	}
 
 	// load initial config and adapter
@@ -158,13 +163,13 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 		if configFile == "-" {
 			config, err = io.ReadAll(os.Stdin)
 			if err != nil {
-				return nil, "", fmt.Errorf("reading config from stdin: %v", err)
+				return nil, "", "", fmt.Errorf("reading config from stdin: %v", err)
 			}
 			logger.Info("using config from stdin")
 		} else {
 			config, err = os.ReadFile(configFile)
 			if err != nil {
-				return nil, "", fmt.Errorf("reading config from file: %v", err)
+				return nil, "", "", fmt.Errorf("reading config from file: %v", err)
 			}
 			logger.Info("using config from file", zap.String("file", configFile))
 		}
@@ -179,7 +184,7 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 				cfgAdapter = nil
 			} else if err != nil {
 				// default Caddyfile exists, but error reading it
-				return nil, "", fmt.Errorf("reading default Caddyfile: %v", err)
+				return nil, "", "", fmt.Errorf("reading default Caddyfile: %v", err)
 			} else {
 				// success reading default Caddyfile
 				configFile = "Caddyfile"
@@ -191,14 +196,14 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 	if yes, err := isCaddyfile(configFile, adapterName); yes {
 		adapterName = "caddyfile"
 	} else if err != nil {
-		return nil, "", err
+		return nil, "", "", err
 	}
 
 	// load config adapter
 	if adapterName != "" {
 		cfgAdapter = caddyconfig.GetAdapter(adapterName)
 		if cfgAdapter == nil {
-			return nil, "", fmt.Errorf("unrecognized config adapter: %s", adapterName)
+			return nil, "", "", fmt.Errorf("unrecognized config adapter: %s", adapterName)
 		}
 	}
 
@@ -208,7 +213,7 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 			"filename": configFile,
 		})
 		if err != nil {
-			return nil, "", fmt.Errorf("adapting config using %s: %v", adapterName, err)
+			return nil, "", "", fmt.Errorf("adapting config using %s: %v", adapterName, err)
 		}
 		logger.Info("adapted config to JSON", zap.String("adapter", adapterName))
 		for _, warn := range warnings {
@@ -226,11 +231,11 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
 		// validate that the config is at least valid JSON
 		err = json.Unmarshal(config, new(any))
 		if err != nil {
-			return nil, "", fmt.Errorf("config is not valid JSON: %v; did you mean to use a config adapter (the --adapter flag)?", err)
+			return nil, "", "", fmt.Errorf("config is not valid JSON: %v; did you mean to use a config adapter (the --adapter flag)?", err)
 		}
 	}
 
-	return config, configFile, nil
+	return config, configFile, adapterName, nil
 }
 
 // watchConfigFile watches the config file at filename for changes
@@ -256,7 +261,7 @@ func watchConfigFile(filename, adapterName string) {
 	}
 
 	// get current config
-	lastCfg, _, err := loadConfigWithLogger(nil, filename, adapterName)
+	lastCfg, _, _, err := loadConfigWithLogger(nil, filename, adapterName)
 	if err != nil {
 		logger().Error("unable to load latest config", zap.Error(err))
 		return
@@ -268,7 +273,7 @@ func watchConfigFile(filename, adapterName string) {
 	//nolint:staticcheck
 	for range time.Tick(1 * time.Second) {
 		// get current config
-		newCfg, _, err := loadConfigWithLogger(nil, filename, adapterName)
+		newCfg, _, _, err := loadConfigWithLogger(nil, filename, adapterName)
 		if err != nil {
 			logger().Error("unable to load latest config", zap.Error(err))
 			return

cmd/packagesfuncs.go

@@ -62,7 +62,7 @@ func splitModule(arg string) (module, version string, err error) {
 		err = fmt.Errorf("module name is required")
 	}
 
-	return
+	return module, version, err
 }
 
 func cmdAddPackage(fl Flags) (int, error) {
@@ -217,7 +217,7 @@ func getModules() (standard, nonstandard, unknown []moduleInfo, err error) {
 	bi, ok := debug.ReadBuildInfo()
 	if !ok {
 		err = fmt.Errorf("no build info")
-		return
+		return standard, nonstandard, unknown, err
 	}
 
 	for _, modID := range caddy.Modules() {
@@ -260,7 +260,7 @@ func getModules() (standard, nonstandard, unknown []moduleInfo, err error) {
 			nonstandard = append(nonstandard, caddyModGoMod)
 		}
 	}
-	return
+	return standard, nonstandard, unknown, err
 }
 
 func listModules(path string) error {

cmd/storagefuncs.go

@@ -36,7 +36,7 @@ type storVal struct {
 // determineStorage returns the top-level storage module from the given config.
 // It may return nil even if no error.
 func determineStorage(configFile string, configAdapter string) (*storVal, error) {
-	cfg, _, err := LoadConfig(configFile, configAdapter)
+	cfg, _, _, err := LoadConfig(configFile, configAdapter)
 	if err != nil {
 		return nil, err
 	}

go.mod

@@ -4,72 +4,72 @@ go 1.25
 
 require (
 	github.com/BurntSushi/toml v1.5.0
+	github.com/DeRuina/timberjack v1.3.8
 	github.com/KimMachineGun/automemlimit v0.7.4
 	github.com/Masterminds/sprig/v3 v3.3.0
 	github.com/alecthomas/chroma/v2 v2.20.0
 	github.com/aryann/difflib v0.0.0-20210328193216-ff5ff6dc229b
-	github.com/caddyserver/certmagic v0.24.0
+	github.com/caddyserver/certmagic v0.25.0
 	github.com/caddyserver/zerossl v0.1.3
 	github.com/cloudflare/circl v1.6.1
 	github.com/dustin/go-humanize v1.0.1
-	github.com/go-chi/chi/v5 v5.2.2
-	github.com/google/cel-go v0.26.0
+	github.com/go-chi/chi/v5 v5.2.3
+	github.com/google/cel-go v0.26.1
 	github.com/google/uuid v1.6.0
 	github.com/klauspost/compress v1.18.0
 	github.com/klauspost/cpuid/v2 v2.3.0
-	github.com/mholt/acmez/v3 v3.1.2
-	github.com/prometheus/client_golang v1.23.0
-	github.com/quic-go/quic-go v0.54.0
+	github.com/mholt/acmez/v3 v3.1.4
+	github.com/prometheus/client_golang v1.23.2
+	github.com/quic-go/quic-go v0.55.0
 	github.com/smallstep/certificates v0.28.4
 	github.com/smallstep/nosql v0.7.0
 	github.com/smallstep/truststore v0.13.0
-	github.com/spf13/cobra v1.9.1
-	github.com/spf13/pflag v1.0.7
-	github.com/stretchr/testify v1.10.0
+	github.com/spf13/cobra v1.10.1
+	github.com/spf13/pflag v1.0.9
+	github.com/stretchr/testify v1.11.1
 	github.com/tailscale/tscert v0.0.0-20240608151842-d3f834017e53
 	github.com/yuin/goldmark v1.7.13
 	github.com/yuin/goldmark-highlighting/v2 v2.0.0-20230729083705-37449abec8cc
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0
-	go.opentelemetry.io/contrib/propagators/autoprop v0.62.0
-	go.opentelemetry.io/otel v1.37.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0
-	go.opentelemetry.io/otel/sdk v1.37.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0
+	go.opentelemetry.io/contrib/propagators/autoprop v0.63.0
+	go.opentelemetry.io/otel v1.38.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.38.0
+	go.opentelemetry.io/otel/sdk v1.38.0
 	go.uber.org/automaxprocs v1.6.0
 	go.uber.org/zap v1.27.0
 	go.uber.org/zap/exp v0.3.0
-	golang.org/x/crypto v0.40.0
-	golang.org/x/crypto/x509roots/fallback v0.0.0-20250305170421-49bf5b80c810
-	golang.org/x/net v0.42.0
-	golang.org/x/sync v0.16.0
-	golang.org/x/term v0.33.0
-	golang.org/x/time v0.12.0
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1
+	golang.org/x/crypto v0.43.0
+	golang.org/x/crypto/x509roots/fallback v0.0.0-20250927194341-2beaa59a3c99
+	golang.org/x/net v0.46.0
+	golang.org/x/sync v0.17.0
+	golang.org/x/term v0.36.0
+	golang.org/x/time v0.14.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	cel.dev/expr v0.24.0 // indirect
-	cloud.google.com/go/auth v0.16.2 // indirect
+	cloud.google.com/go/auth v0.16.4 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
-	cloud.google.com/go/compute/metadata v0.7.0 // indirect
+	cloud.google.com/go/compute/metadata v0.8.0 // indirect
 	dario.cat/mergo v1.0.1 // indirect
 	github.com/Microsoft/go-winio v0.6.0 // indirect
 	github.com/antlr4-go/antlr/v4 v4.13.0 // indirect
 	github.com/ccoveille/go-safecast v1.6.1 // indirect
-	github.com/cenkalti/backoff/v5 v5.0.2 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/coreos/go-oidc/v3 v3.14.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/fxamacker/cbor/v2 v2.8.0 // indirect
 	github.com/go-jose/go-jose/v3 v3.0.4 // indirect
-	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.1 // indirect
 	github.com/google/certificate-transparency-go v1.1.8-0.20240110162603-74a5dd331745 // indirect
 	github.com/google/go-tpm v0.9.5 // indirect
 	github.com/google/go-tspi v0.3.0 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
-	github.com/googleapis/gax-go/v2 v2.14.2 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 // indirect
+	github.com/googleapis/gax-go/v2 v2.15.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 // indirect
 	github.com/jackc/pgx/v5 v5.6.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
@@ -85,16 +85,16 @@ require (
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/contrib/propagators/aws v1.37.0 // indirect
-	go.opentelemetry.io/contrib/propagators/b3 v1.37.0 // indirect
-	go.opentelemetry.io/contrib/propagators/jaeger v1.37.0 // indirect
-	go.opentelemetry.io/contrib/propagators/ot v1.37.0 // indirect
-	go.uber.org/mock v0.5.2 // indirect
-	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
-	golang.org/x/oauth2 v0.30.0 // indirect
-	google.golang.org/api v0.240.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250603155806-513f23925822 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 // indirect
+	go.opentelemetry.io/contrib/propagators/aws v1.38.0 // indirect
+	go.opentelemetry.io/contrib/propagators/b3 v1.38.0 // indirect
+	go.opentelemetry.io/contrib/propagators/jaeger v1.38.0 // indirect
+	go.opentelemetry.io/contrib/propagators/ot v1.38.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 // indirect
+	golang.org/x/oauth2 v0.31.0 // indirect
+	google.golang.org/api v0.247.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797 // indirect
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1 // indirect
 )
 
@@ -123,20 +123,20 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
-	github.com/libdns/libdns v1.1.0
+	github.com/libdns/libdns v1.1.1
 	github.com/manifoldco/promptui v0.9.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
-	github.com/miekg/dns v1.1.63 // indirect
+	github.com/miekg/dns v1.1.68 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/pires/go-proxyproto v0.8.1
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_model v0.6.2
-	github.com/prometheus/common v0.65.0 // indirect
-	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/prometheus/common v0.67.1 // indirect
+	github.com/prometheus/procfs v0.17.0 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
@@ -147,17 +147,17 @@ require (
 	github.com/stoewer/go-strcase v1.2.0 // indirect
 	github.com/urfave/cli v1.22.17 // indirect
 	go.etcd.io/bbolt v1.3.10 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.37.0 // indirect
-	go.opentelemetry.io/otel/metric v1.37.0 // indirect
-	go.opentelemetry.io/otel/trace v1.37.0
-	go.opentelemetry.io/proto/otlp v1.7.0 // indirect
-	go.step.sm/crypto v0.67.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
+	go.opentelemetry.io/otel/metric v1.38.0 // indirect
+	go.opentelemetry.io/otel/trace v1.38.0
+	go.opentelemetry.io/proto/otlp v1.7.1 // indirect
+	go.step.sm/crypto v0.70.0
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/mod v0.25.0 // indirect
-	golang.org/x/sys v0.34.0
-	golang.org/x/text v0.27.0 // indirect
-	golang.org/x/tools v0.34.0 // indirect
-	google.golang.org/grpc v1.73.0 // indirect
-	google.golang.org/protobuf v1.36.6 // indirect
+	golang.org/x/mod v0.29.0 // indirect
+	golang.org/x/sys v0.37.0
+	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/tools v0.38.0 // indirect
+	google.golang.org/grpc v1.75.1 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
 	howett.net/plist v1.0.0 // indirect
 )

go.sum

@@ -6,12 +6,12 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
 cloud.google.com/go v0.120.0 h1:wc6bgG9DHyKqF5/vQvX1CiZrtHnxJjBlKUyF9nP6meA=
 cloud.google.com/go v0.120.0/go.mod h1:/beW32s8/pGRuj4IILWQNd4uuebeT4dkOhKmkfit64Q=
-cloud.google.com/go/auth v0.16.2 h1:QvBAGFPLrDeoiNjyfVunhQ10HKNYuOwZ5noee0M5df4=
-cloud.google.com/go/auth v0.16.2/go.mod h1:sRBas2Y1fB1vZTdurouM0AzuYQBMZinrUYL8EufhtEA=
+cloud.google.com/go/auth v0.16.4 h1:fXOAIQmkApVvcIn7Pc2+5J8QTMVbUGLscnSVNl11su8=
+cloud.google.com/go/auth v0.16.4/go.mod h1:j10ncYwjX/g3cdX7GpEzsdM+d+ZNsXAbb6qXA7p1Y5M=
 cloud.google.com/go/auth/oauth2adapt v0.2.8 h1:keo8NaayQZ6wimpNSmW5OPc283g65QNIiLpZnkHRbnc=
 cloud.google.com/go/auth/oauth2adapt v0.2.8/go.mod h1:XQ9y31RkqZCcwJWNSx2Xvric3RrU88hAYYbjDWYDL+c=
-cloud.google.com/go/compute/metadata v0.7.0 h1:PBWF+iiAerVNe8UCHxdOt6eHLVc3ydFeOCw78U8ytSU=
-cloud.google.com/go/compute/metadata v0.7.0/go.mod h1:j5MvL9PprKL39t166CoB1uVHfQMs4tFQZZcKwksXUjo=
+cloud.google.com/go/compute/metadata v0.8.0 h1:HxMRIbao8w17ZX6wBnjhcDkW6lTFpgcaobyVfZWqRLA=
+cloud.google.com/go/compute/metadata v0.8.0/go.mod h1:sYOGTp851OV9bOFJ9CH7elVvyzopvWQFNNghtDQ/Biw=
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@@ -32,6 +32,8 @@ github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96/go.mod h1:bOv
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@@ -149,6 +151,8 @@ github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+m
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@@ -158,13 +162,13 @@ github.com/fxamacker/cbor/v2 v2.8.0 h1:fFtUGXUzXPHTIUdne5+zzMPTfffl3RD5qYnkY40vt
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@@ -187,8 +191,8 @@ github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
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@@ -215,13 +219,13 @@ github.com/googleapis/enterprise-certificate-proxy v0.3.6 h1:GW/XbdyBFQ8Qe+YAmFU
 github.com/googleapis/enterprise-certificate-proxy v0.3.6/go.mod h1:MkHOF77EYAE7qfSuSS9PU6g4Nt4e11cnsDUowfwewLA=
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-github.com/googleapis/gax-go/v2 v2.14.2 h1:eBLnkZ9635krYIPD+ag1USrOAI0Nr0QYF3+/3GqO0k0=
-github.com/googleapis/gax-go/v2 v2.14.2/go.mod h1:ON64QhlJkhVtSqp4v1uaK92VyZ2gmvDQsweuyLV+8+w=
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-github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 h1:X5VWvz21y3gzm9Nw/kaUeku/1+uBhcekkmy4IkffJww=
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@@ -259,8 +263,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
-github.com/libdns/libdns v1.1.0 h1:9ze/tWvt7Df6sbhOJRB8jT33GHEHpEQXdtkE3hPthbU=
-github.com/libdns/libdns v1.1.0/go.mod h1:4Bj9+5CQiNMVGf87wjX4CY3HQJypUHRuLvlsfsZqLWQ=
+github.com/libdns/libdns v1.1.1 h1:wPrHrXILoSHKWJKGd0EiAVmiJbFShguILTg9leS/P/U=
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 github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
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 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
@@ -274,11 +278,11 @@ github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d h1:5PJl274Y63IEHC+7izoQE9x6ikvDFZS2mDVS3drnohI=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
-github.com/mholt/acmez/v3 v3.1.2 h1:auob8J/0FhmdClQicvJvuDavgd5ezwLBfKuYmynhYzc=
-github.com/mholt/acmez/v3 v3.1.2/go.mod h1:L1wOU06KKvq7tswuMDwKdcHeKpFFgkppZy/y0DFxagQ=
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 github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4=
-github.com/miekg/dns v1.1.63 h1:8M5aAw6OMZfFXTT7K5V0Eu5YiiL8l7nUAkyN6C9YwaY=
-github.com/miekg/dns v1.1.63/go.mod h1:6NGHfjhpmr5lt3XPLuyfDJi5AXbNIPM9PY6H6sF1Nfs=
+github.com/miekg/dns v1.1.68 h1:jsSRkNozw7G/mnmXULynzMNIsgY2dHC8LO6U6Ij2JEA=
+github.com/miekg/dns v1.1.68/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
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@@ -309,21 +313,21 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
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 github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
-github.com/prometheus/client_golang v1.23.0 h1:ust4zpdl9r4trLY/gSjlm07PuiBq2ynaXXlptpfy8Uc=
-github.com/prometheus/client_golang v1.23.0/go.mod h1:i/o0R9ByOnHX0McrTMTyhYvKE4haaf2mW08I+jGAjEE=
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 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
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-github.com/quic-go/quic-go v0.54.0 h1:6s1YB9QotYI6Ospeiguknbp2Znb/jZYjZLRXn9kMQBg=
-github.com/quic-go/quic-go v0.54.0/go.mod h1:e68ZEaCdyviluZmy44P6Iey98v/Wfz6HCjQEm+l8zTY=
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 github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
@@ -394,13 +398,12 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
 github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
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-github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
-github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
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@@ -416,8 +419,9 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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@@ -448,36 +452,36 @@ go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJyS
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 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.61.0 h1:q4XOmH/0opmeuJtPsbFNivyl7bCt7yRBbeEm2sC/XtQ=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.61.0/go.mod h1:snMWehoOh2wsEwnvvwtDyFCxVeDAODenXHtn5vzrKjo=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 h1:F7Jx+6hwnZ41NSFTO5q4LYDtJRXBf2PD0rNBkeB/lus=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0/go.mod h1:UHB22Z8QsdRDrnAtX4PntOl36ajSxcdUMt1sF7Y6E7Q=
-go.opentelemetry.io/contrib/propagators/autoprop v0.62.0 h1:1+EHlhAe/tukctfePZRrDruB9vn7MdwyC+rf36nUSPM=
-go.opentelemetry.io/contrib/propagators/autoprop v0.62.0/go.mod h1:skzESZBY3IYcqJgImc+fwXQWflvVe+jZxoA/uw60NaI=
-go.opentelemetry.io/contrib/propagators/aws v1.37.0 h1:cp8AFiM/qjBm10C/ATIRnEDXpD5MBknrA0ANw4T2/ss=
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-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0/go.mod h1:QjUEoiGCPkvFZ/MjK6ZZfNOS6mfVEVKYE99dFhuN2LI=
-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
-go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
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+go.opentelemetry.io/proto/otlp v1.7.1 h1:gTOMpGDb0WTBOP8JaO72iL3auEZhVmAQg4ipjOVAtj4=
+go.opentelemetry.io/proto/otlp v1.7.1/go.mod h1:b2rVh6rfI/s2pHWNlB7ILJcRALpcNDzKhACevjI+ZnE=
+go.step.sm/crypto v0.70.0 h1:Q9Ft7N637mucyZcHZd1+0VVQJVwDCKqcb9CYcYi7cds=
+go.step.sm/crypto v0.70.0/go.mod h1:pzfUhS5/ue7ev64PLlEgXvhx1opwbhFCjkvlhsxVds0=
 go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs=
 go.uber.org/automaxprocs v1.6.0/go.mod h1:ifeIMSnPZuznNm6jmdzmU3/bfk01Fe2fotchwEFJ8r8=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
@@ -490,6 +494,8 @@ go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 go.uber.org/zap/exp v0.3.0 h1:6JYzdifzYkGmTdRR59oYH+Ng7k49H9qVpWwNSsGJj3U=
 go.uber.org/zap/exp v0.3.0/go.mod h1:5I384qq7XGxYyByIhHm6jg5CHkGY0nsTfbDLgDDlgJQ=
+go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
+go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
 go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
 golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -502,13 +508,13 @@ golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDf
 golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
 golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70=
 golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
-golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
-golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
-golang.org/x/crypto/x509roots/fallback v0.0.0-20250305170421-49bf5b80c810 h1:V5+zy0jmgNYmK1uW/sPpBw8ioFvalrhaUrYWmu1Fpe4=
-golang.org/x/crypto/x509roots/fallback v0.0.0-20250305170421-49bf5b80c810/go.mod h1:lxN5T34bK4Z/i6cMaU7frUU57VkDXFD4Kamfl/cp9oU=
+golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/crypto/x509roots/fallback v0.0.0-20250927194341-2beaa59a3c99 h1:CH0o4/bZX6KIUCjjgjmtNtfM/kXSkTYlzTOB9vZF45g=
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 h1:R84qjqJb5nVJMxqWYb3np9L5ZsaDtB+a39EqjV0JSUM=
-golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0/go.mod h1:S9Xr4PYopiDyqSyp5NjCrhFrqg6A5zA2E/iPHPhqnS8=
+golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 h1:SbTAbRFnd5kjQXbczszQ0hdk3ctwYf3qBNH9jIsGclE=
+golang.org/x/exp v0.0.0-20250813145105-42675adae3e6/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -517,8 +523,8 @@ golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
-golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
+golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
+golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -535,14 +541,14 @@ golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
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 golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
-golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
-golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
+golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
+golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
-golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
+golang.org/x/oauth2 v0.31.0 h1:8Fq0yVZLh4j4YA47vHKFTa9Ew5XIrCP8LC6UeNZnLxo=
+golang.org/x/oauth2 v0.31.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/perf v0.0.0-20180704124530-6e6d33e29852/go.mod h1:JLpeXjPJfIyPr5TlbXLkXWLhP8nz10XfvxElABhCtcw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -556,8 +562,8 @@ golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181029174526-d69651ed3497/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -582,8 +588,8 @@ golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
-golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -594,8 +600,8 @@ golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
 golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
 golang.org/x/term v0.24.0/go.mod h1:lOBK/LVxemqiMij05LGJ0tzNr8xlmwBRJ81PX6wVLH8=
 golang.org/x/term v0.29.0/go.mod h1:6bl4lRlvVuDgSf3179VpIxBF0o10JUpXWOnI7nErv7s=
-golang.org/x/term v0.33.0 h1:NuFncQrRcaRvVmgRkvM3j/F00gWIAlcmlB8ACEKmGIg=
-golang.org/x/term v0.33.0/go.mod h1:s18+ql9tYWp1IfpV9DmCtQDDSRBUjKaw9M1eAv5UeF0=
+golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
+golang.org/x/term v0.36.0/go.mod h1:Qu394IJq6V6dCBRgwqshf3mPF85AqzYEzofzRdZkWss=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -607,12 +613,12 @@ golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
-golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
-golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
-golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
+golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
+golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030000716-a0a13e073c7b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -623,14 +629,16 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
-golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
-golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
+golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
+golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=
-google.golang.org/api v0.240.0 h1:PxG3AA2UIqT1ofIzWV2COM3j3JagKTKSwy7L6RHNXNU=
-google.golang.org/api v0.240.0/go.mod h1:cOVEm2TpdAGHL2z+UwyS+kmlGr3bVWQQ6sYEqkKje50=
+google.golang.org/api v0.247.0 h1:tSd/e0QrUlLsrwMKmkbQhYVa109qIintOls2Wh6bngc=
+google.golang.org/api v0.247.0/go.mod h1:r1qZOPmxXffXg6xS5uhx16Fa/UFY8QU/K4bfKrnvovM=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -640,29 +648,27 @@ google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
 google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20250505200425-f936aa4a68b2 h1:1tXaIXCracvtsRxSBsYDiSBN0cuJvM7QYW+MrpIRY78=
-google.golang.org/genproto v0.0.0-20250505200425-f936aa4a68b2/go.mod h1:49MsLSx0oWMOZqcpB3uL8ZOkAh1+TndpJ8ONoCBWiZk=
-google.golang.org/genproto/googleapis/api v0.0.0-20250603155806-513f23925822 h1:oWVWY3NzT7KJppx2UKhKmzPq4SRe0LdCijVRwvGeikY=
-google.golang.org/genproto/googleapis/api v0.0.0-20250603155806-513f23925822/go.mod h1:h3c4v36UTKzUiuaOKQ6gr3S+0hovBtUrXzTG/i3+XEc=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 h1:fc6jSaCT0vBduLYZHYrBBNY4dsWuvgyff9noRNDdBeE=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
+google.golang.org/genproto v0.0.0-20250603155806-513f23925822 h1:rHWScKit0gvAPuOnu87KpaYtjK5zBMLcULh7gxkCXu4=
+google.golang.org/genproto v0.0.0-20250603155806-513f23925822/go.mod h1:HubltRL7rMh0LfnQPkMH4NPDFEWp0jw3vixw7jEM53s=
+google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 h1:BIRfGDEjiHRrk0QKZe3Xv2ieMhtgRGeLcZQ0mIVn4EY=
+google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5/go.mod h1:j3QtIyytwqGr1JUDtYXwtMXWPKsEa5LtzIFN1Wn5WvE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797 h1:CirRxTOwnRWVLKzDNrs0CXAaVozJoR4G9xvdRecrdpk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251002232023-7c0ddcbb5797/go.mod h1:HSkG/KdJWusxU1F6CNrwNDjBMgisKxGnc5dAZfT0mjQ=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.73.0 h1:VIWSmpI2MegBtTuFt5/JWy2oXxtjJ/e89Z70ImfD2ok=
-google.golang.org/grpc v1.73.0/go.mod h1:50sbHOUqWoCQGI8V2HQLJM0B+LMlIUjNSZmow7EVBQc=
+google.golang.org/grpc v1.75.1 h1:/ODCNEuf9VghjgO3rqLcfg8fiOP0nSluljWFlDxELLI=
+google.golang.org/grpc v1.75.1/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1 h1:F29+wU6Ee6qgu9TddPgooOdaqsxTMunOoj8KA5yuS5A=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1/go.mod h1:5KF+wpkbTSbGcR9zteSqZV6fqFOWBl4Yde8En8MryZA=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
-gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
-gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

internal/logbuffer.go

@@ -0,0 +1,82 @@
+// Copyright 2015 Matthew Holt and The Caddy Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal
+
+import (
+	"sync"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// LogBufferCore is a zapcore.Core that buffers log entries in memory.
+type LogBufferCore struct {
+	mu      sync.Mutex
+	entries []zapcore.Entry
+	fields  [][]zapcore.Field
+	level   zapcore.LevelEnabler
+}
+
+type LogBufferCoreInterface interface {
+	zapcore.Core
+	FlushTo(*zap.Logger)
+}
+
+func NewLogBufferCore(level zapcore.LevelEnabler) *LogBufferCore {
+	return &LogBufferCore{
+		level: level,
+	}
+}
+
+func (c *LogBufferCore) Enabled(lvl zapcore.Level) bool {
+	return c.level.Enabled(lvl)
+}
+
+func (c *LogBufferCore) With(fields []zapcore.Field) zapcore.Core {
+	return c
+}
+
+func (c *LogBufferCore) Check(entry zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
+	if c.Enabled(entry.Level) {
+		return ce.AddCore(entry, c)
+	}
+	return ce
+}
+
+func (c *LogBufferCore) Write(entry zapcore.Entry, fields []zapcore.Field) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.entries = append(c.entries, entry)
+	c.fields = append(c.fields, fields)
+	return nil
+}
+
+func (c *LogBufferCore) Sync() error { return nil }
+
+// FlushTo flushes buffered logs to the given zap.Logger.
+func (c *LogBufferCore) FlushTo(logger *zap.Logger) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	for idx, entry := range c.entries {
+		logger.WithOptions().Check(entry.Level, entry.Message).Write(c.fields[idx]...)
+	}
+	c.entries = nil
+	c.fields = nil
+}
+
+var (
+	_ zapcore.Core           = (*LogBufferCore)(nil)
+	_ LogBufferCoreInterface = (*LogBufferCore)(nil)
+)

listen.go

@@ -261,14 +261,14 @@ func (fcpc *fakeClosePacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err e
 		if atomic.LoadInt32(&fcpc.closed) == 1 {
 			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
 				if err = fcpc.SetReadDeadline(time.Time{}); err != nil {
-					return
+					return n, addr, err
 				}
 			}
 		}
-		return
+		return n, addr, err
 	}
 
-	return
+	return n, addr, err
 }
 
 // Close won't close the underlying socket unless there is no more reference, then listenerPool will close it.

listeners.go

@@ -382,7 +382,7 @@ func SplitNetworkAddress(a string) (network, host, port string, err error) {
 		a = afterSlash
 		if IsUnixNetwork(network) || IsFdNetwork(network) {
 			host = a
-			return
+			return network, host, port, err
 		}
 	}
 
@@ -402,7 +402,7 @@ func SplitNetworkAddress(a string) (network, host, port string, err error) {
 		err = errors.Join(firstErr, err)
 	}
 
-	return
+	return network, host, port, err
 }
 
 // JoinNetworkAddress combines network, host, and port into a single

logging.go

@@ -28,6 +28,8 @@ import (
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 	"golang.org/x/term"
+
+	"github.com/caddyserver/caddy/v2/internal"
 )
 
 func init() {
@@ -190,6 +192,13 @@ func (logging *Logging) setupNewDefault(ctx Context) error {
 		)
 	}
 
+	// if we had a buffered core, flush its contents ASAP
+	// before we try to log anything else, so the order of
+	// logs is preserved
+	if oldBufferCore, ok := oldDefault.logger.Core().(*internal.LogBufferCore); ok {
+		oldBufferCore.FlushTo(newDefault.logger)
+	}
+
 	return nil
 }
 
@@ -773,6 +782,21 @@ func Log() *zap.Logger {
 	return defaultLogger.logger
 }
 
+// BufferedLog sets the default logger to one that buffers
+// logs before a config is loaded.
+// Returns the buffered logger, the original default logger
+// (for flushing on errors), and the buffer core so that the
+// caller can flush the logs after the config is loaded or
+// fails to load.
+func BufferedLog() (*zap.Logger, *zap.Logger, *internal.LogBufferCore) {
+	defaultLoggerMu.Lock()
+	defer defaultLoggerMu.Unlock()
+	origLogger := defaultLogger.logger
+	bufferCore := internal.NewLogBufferCore(zap.InfoLevel)
+	defaultLogger.logger = zap.New(bufferCore)
+	return defaultLogger.logger, origLogger, bufferCore
+}
+
 var (
 	coloringEnabled  = os.Getenv("NO_COLOR") == "" && os.Getenv("TERM") != "xterm-mono"
 	defaultLogger, _ = newDefaultProductionLog()

modules.go

@@ -345,9 +345,11 @@ func StrictUnmarshalJSON(data []byte, v any) error {
 	return dec.Decode(v)
 }
 
+var JSONRawMessageType = reflect.TypeFor[json.RawMessage]()
+
 // isJSONRawMessage returns true if the type is encoding/json.RawMessage.
 func isJSONRawMessage(typ reflect.Type) bool {
-	return typ.PkgPath() == "encoding/json" && typ.Name() == "RawMessage"
+	return typ == JSONRawMessageType
 }
 
 // isModuleMapType returns true if the type is map[string]json.RawMessage.

modules/caddyhttp/app.go

@@ -170,13 +170,15 @@ func (App) CaddyModule() caddy.ModuleInfo {
 // Provision sets up the app.
 func (app *App) Provision(ctx caddy.Context) error {
 	// store some references
+	app.logger = ctx.Logger()
+	app.ctx = ctx
+
+	// provision TLS and events apps
 	tlsAppIface, err := ctx.App("tls")
 	if err != nil {
 		return fmt.Errorf("getting tls app: %v", err)
 	}
 	app.tlsApp = tlsAppIface.(*caddytls.TLS)
-	app.ctx = ctx
-	app.logger = ctx.Logger()
 
 	eventsAppIface, err := ctx.App("events")
 	if err != nil {
@@ -464,7 +466,14 @@ func (app *App) Start() error {
 			ErrorLog:          serverLogger,
 			Protocols:         new(http.Protocols),
 			ConnContext: func(ctx context.Context, c net.Conn) context.Context {
-				return context.WithValue(ctx, ConnCtxKey, c)
+				if nc, ok := c.(interface{ tlsNetConn() net.Conn }); ok {
+					getTlsConStateFunc := sync.OnceValue(func() *tls.ConnectionState {
+						tlsConnState := nc.tlsNetConn().(connectionStater).ConnectionState()
+						return &tlsConnState
+					})
+					ctx = context.WithValue(ctx, tlsConnectionStateFuncCtxKey, getTlsConStateFunc)
+				}
+				return ctx
 			},
 		}
 
@@ -536,6 +545,8 @@ func (app *App) Start() error {
 						KeepAliveConfig: net.KeepAliveConfig{
 							Enable:   srv.KeepAliveInterval >= 0,
 							Interval: time.Duration(srv.KeepAliveInterval),
+							Idle:     time.Duration(srv.KeepAliveIdle),
+							Count:    srv.KeepAliveCount,
 						},
 					})
 					if err != nil {

modules/caddyhttp/autohttps.go

@@ -265,6 +265,22 @@ func (app *App) automaticHTTPSPhase1(ctx caddy.Context, repl *caddy.Replacer) er
 		}
 	}
 
+	// if all servers have auto_https disabled and no domains need certs,
+	// skip the rest of the TLS automation setup to avoid creating
+	// unnecessary PKI infrastructure and automation policies
+	allServersDisabled := true
+	for _, srv := range app.Servers {
+		if srv.AutoHTTPS == nil || !srv.AutoHTTPS.Disabled {
+			allServersDisabled = false
+			break
+		}
+	}
+
+	if allServersDisabled && len(uniqueDomainsForCerts) == 0 {
+		logger.Debug("all servers have automatic HTTPS disabled and no domains need certificates, skipping TLS automation setup")
+		return nil
+	}
+
 	// we now have a list of all the unique names for which we need certs
 	var internal, tailscale []string
 uniqueDomainsLoop:

modules/caddyhttp/caddyauth/argon2id.go

@@ -0,0 +1,188 @@
+// Copyright 2015 Matthew Holt and The Caddy Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package caddyauth
+
+import (
+	"crypto/rand"
+	"crypto/subtle"
+	"encoding/base64"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"golang.org/x/crypto/argon2"
+
+	"github.com/caddyserver/caddy/v2"
+)
+
+func init() {
+	caddy.RegisterModule(Argon2idHash{})
+}
+
+const (
+	argon2idName           = "argon2id"
+	defaultArgon2idTime    = 1
+	defaultArgon2idMemory  = 46 * 1024
+	defaultArgon2idThreads = 1
+	defaultArgon2idKeylen  = 32
+	defaultSaltLength      = 16
+)
+
+// Argon2idHash implements the Argon2id password hashing.
+type Argon2idHash struct {
+	salt    []byte
+	time    uint32
+	memory  uint32
+	threads uint8
+	keyLen  uint32
+}
+
+// CaddyModule returns the Caddy module information.
+func (Argon2idHash) CaddyModule() caddy.ModuleInfo {
+	return caddy.ModuleInfo{
+		ID:  "http.authentication.hashes.argon2id",
+		New: func() caddy.Module { return new(Argon2idHash) },
+	}
+}
+
+// Compare checks if the plaintext password matches the given Argon2id hash.
+func (Argon2idHash) Compare(hashed, plaintext []byte) (bool, error) {
+	argHash, storedKey, err := DecodeHash(hashed)
+	if err != nil {
+		return false, err
+	}
+
+	computedKey := argon2.IDKey(
+		plaintext,
+		argHash.salt,
+		argHash.time,
+		argHash.memory,
+		argHash.threads,
+		argHash.keyLen,
+	)
+
+	return subtle.ConstantTimeCompare(storedKey, computedKey) == 1, nil
+}
+
+// Hash generates an Argon2id hash of the given plaintext using the configured parameters and salt.
+func (b Argon2idHash) Hash(plaintext []byte) ([]byte, error) {
+	if b.salt == nil {
+		s, err := generateSalt(defaultSaltLength)
+		if err != nil {
+			return nil, err
+		}
+		b.salt = s
+	}
+
+	key := argon2.IDKey(
+		plaintext,
+		b.salt,
+		b.time,
+		b.memory,
+		b.threads,
+		b.keyLen,
+	)
+
+	hash := fmt.Sprintf(
+		"$argon2id$v=%d$m=%d,t=%d,p=%d$%s$%s",
+		argon2.Version,
+		b.memory,
+		b.time,
+		b.threads,
+		base64.RawStdEncoding.EncodeToString(b.salt),
+		base64.RawStdEncoding.EncodeToString(key),
+	)
+
+	return []byte(hash), nil
+}
+
+// DecodeHash parses an Argon2id PHC string into an Argon2idHash struct and returns the struct along with the derived key.
+func DecodeHash(hash []byte) (*Argon2idHash, []byte, error) {
+	parts := strings.Split(string(hash), "$")
+	if len(parts) != 6 {
+		return nil, nil, fmt.Errorf("invalid hash format")
+	}
+
+	if parts[1] != argon2idName {
+		return nil, nil, fmt.Errorf("unsupported variant: %s", parts[1])
+	}
+
+	version, err := strconv.Atoi(strings.TrimPrefix(parts[2], "v="))
+	if err != nil {
+		return nil, nil, fmt.Errorf("invalid version: %w", err)
+	}
+	if version != argon2.Version {
+		return nil, nil, fmt.Errorf("incompatible version: %d", version)
+	}
+
+	params := strings.Split(parts[3], ",")
+	if len(params) != 3 {
+		return nil, nil, fmt.Errorf("invalid parameters")
+	}
+
+	mem, err := strconv.ParseUint(strings.TrimPrefix(params[0], "m="), 10, 32)
+	if err != nil {
+		return nil, nil, fmt.Errorf("invalid memory parameter: %w", err)
+	}
+
+	iter, err := strconv.ParseUint(strings.TrimPrefix(params[1], "t="), 10, 32)
+	if err != nil {
+		return nil, nil, fmt.Errorf("invalid iterations parameter: %w", err)
+	}
+
+	threads, err := strconv.ParseUint(strings.TrimPrefix(params[2], "p="), 10, 8)
+	if err != nil {
+		return nil, nil, fmt.Errorf("invalid parallelism parameter: %w", err)
+	}
+
+	salt, err := base64.RawStdEncoding.Strict().DecodeString(parts[4])
+	if err != nil {
+		return nil, nil, fmt.Errorf("decode salt: %w", err)
+	}
+
+	key, err := base64.RawStdEncoding.Strict().DecodeString(parts[5])
+	if err != nil {
+		return nil, nil, fmt.Errorf("decode key: %w", err)
+	}
+
+	return &Argon2idHash{
+		salt:    salt,
+		time:    uint32(iter),
+		memory:  uint32(mem),
+		threads: uint8(threads),
+		keyLen:  uint32(len(key)),
+	}, key, nil
+}
+
+// FakeHash returns a constant fake hash for timing attacks mitigation.
+func (Argon2idHash) FakeHash() []byte {
+	// hashed with the following command:
+	// caddy hash-password --plaintext "antitiming" --algorithm "argon2id"
+	return []byte("$argon2id$v=19$m=47104,t=1,p=1$P2nzckEdTZ3bxCiBCkRTyA$xQL3Z32eo5jKl7u5tcIsnEKObYiyNZQQf5/4sAau6Pg")
+}
+
+// Interface guards
+var (
+	_ Comparer = (*Argon2idHash)(nil)
+	_ Hasher   = (*Argon2idHash)(nil)
+)
+
+func generateSalt(length int) ([]byte, error) {
+	salt := make([]byte, length)
+	if _, err := rand.Read(salt); err != nil {
+		return nil, fmt.Errorf("failed to generate salt: %w", err)
+	}
+	return salt, nil
+}

modules/caddyhttp/caddyauth/bcrypt.go

@@ -27,7 +27,10 @@ func init() {
 }
 
 // defaultBcryptCost cost 14 strikes a solid balance between security, usability, and hardware performance
-const defaultBcryptCost = 14
+const (
+	bcryptName        = "bcrypt"
+	defaultBcryptCost = 14
+)
 
 // BcryptHash implements the bcrypt hash.
 type BcryptHash struct {

modules/caddyhttp/caddyauth/caddyfile.go

@@ -51,7 +51,7 @@ func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error)
 	var hashName string
 	switch len(args) {
 	case 0:
-		hashName = "bcrypt"
+		hashName = bcryptName
 	case 1:
 		hashName = args[0]
 	case 2:
@@ -62,8 +62,10 @@ func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error)
 	}
 
 	switch hashName {
-	case "bcrypt":
+	case bcryptName:
 		cmp = BcryptHash{}
+	case argon2idName:
+		cmp = Argon2idHash{}
 	default:
 		return nil, h.Errf("unrecognized hash algorithm: %s", hashName)
 	}

modules/caddyhttp/caddyauth/command.go

@@ -32,28 +32,55 @@ import (
 func init() {
 	caddycmd.RegisterCommand(caddycmd.Command{
 		Name:  "hash-password",
-		Usage: "[--plaintext <password>] [--algorithm <name>] [--bcrypt-cost <difficulty>]",
+		Usage: "[--plaintext <password>] [--algorithm <argon2id|bcrypt>] [--bcrypt-cost <difficulty>] [--argon2id-time <iterations>] [--argon2id-memory <KiB>] [--argon2id-threads <n>] [--argon2id-keylen <bytes>]",
 		Short: "Hashes a password and writes base64",
 		Long: `
 Convenient way to hash a plaintext password. The resulting
 hash is written to stdout as a base64 string.
 
---plaintext, when omitted, will be read from stdin. If
-Caddy is attached to a controlling tty, the plaintext will
-not be echoed.
+--plaintext
+    The password to hash. If omitted, it will be read from stdin.
+    If Caddy is attached to a controlling TTY, the input will not be echoed.
 
---algorithm currently only supports 'bcrypt', and is the default.
+--algorithm
+    Selects the hashing algorithm. Valid options are:
+      * 'argon2id' (recommended for modern security)
+      * 'bcrypt'  (legacy, slower, configurable cost)
 
---bcrypt-cost sets the bcrypt hashing difficulty.
-Higher values increase security by making the hash computation slower and more CPU-intensive.
-If the provided cost is not within the valid range [bcrypt.MinCost, bcrypt.MaxCost],
-the default value (defaultBcryptCost) will be used instead.
-Note: Higher cost values can significantly degrade performance on slower systems.
+bcrypt-specific parameters:
+
+--bcrypt-cost
+    Sets the bcrypt hashing difficulty. Higher values increase security by
+    making the hash computation slower and more CPU-intensive.
+    Must be within the valid range [bcrypt.MinCost, bcrypt.MaxCost]. 
+    If omitted or invalid, the default cost is used.
+
+Argon2id-specific parameters:
+
+--argon2id-time
+    Number of iterations to perform. Increasing this makes
+    hashing slower and more resistant to brute-force attacks.
+
+--argon2id-memory
+    Amount of memory to use during hashing.
+    Larger values increase resistance to GPU/ASIC attacks.
+
+--argon2id-threads
+    Number of CPU threads to use. Increase for faster hashing
+    on multi-core systems.
+
+--argon2id-keylen
+    Length of the resulting hash in bytes. Longer keys increase
+    security but slightly increase storage size.
 `,
 		CobraFunc: func(cmd *cobra.Command) {
 			cmd.Flags().StringP("plaintext", "p", "", "The plaintext password")
-			cmd.Flags().StringP("algorithm", "a", "bcrypt", "Name of the hash algorithm")
+			cmd.Flags().StringP("algorithm", "a", bcryptName, "Name of the hash algorithm")
 			cmd.Flags().Int("bcrypt-cost", defaultBcryptCost, "Bcrypt hashing cost (only used with 'bcrypt' algorithm)")
+			cmd.Flags().Uint32("argon2id-time", defaultArgon2idTime, "Number of iterations for Argon2id hashing. Increasing this makes the hash slower and more resistant to brute-force attacks.")
+			cmd.Flags().Uint32("argon2id-memory", defaultArgon2idMemory, "Memory to use in KiB for Argon2id hashing. Larger values increase resistance to GPU/ASIC attacks.")
+			cmd.Flags().Uint8("argon2id-threads", defaultArgon2idThreads, "Number of CPU threads to use for Argon2id hashing. Increase for faster hashing on multi-core systems.")
+			cmd.Flags().Uint32("argon2id-keylen", defaultArgon2idKeylen, "Length of the resulting Argon2id hash in bytes. Longer hashes increase security but slightly increase storage size.")
 			cmd.RunE = caddycmd.WrapCommandFuncForCobra(cmdHashPassword)
 		},
 	})
@@ -115,8 +142,34 @@ func cmdHashPassword(fs caddycmd.Flags) (int, error) {
 	var hash []byte
 	var hashString string
 	switch algorithm {
-	case "bcrypt":
+	case bcryptName:
 		hash, err = BcryptHash{cost: bcryptCost}.Hash(plaintext)
+		hashString = string(hash)
+	case argon2idName:
+		time, err := fs.GetUint32("argon2id-time")
+		if err != nil {
+			return caddy.ExitCodeFailedStartup, fmt.Errorf("failed to get argon2id time parameter: %w", err)
+		}
+		memory, err := fs.GetUint32("argon2id-memory")
+		if err != nil {
+			return caddy.ExitCodeFailedStartup, fmt.Errorf("failed to get argon2id memory parameter: %w", err)
+		}
+		threads, err := fs.GetUint8("argon2id-threads")
+		if err != nil {
+			return caddy.ExitCodeFailedStartup, fmt.Errorf("failed to get argon2id threads parameter: %w", err)
+		}
+		keyLen, err := fs.GetUint32("argon2id-keylen")
+		if err != nil {
+			return caddy.ExitCodeFailedStartup, fmt.Errorf("failed to get argon2id keylen parameter: %w", err)
+		}
+
+		hash, _ = Argon2idHash{
+			time:    time,
+			memory:  memory,
+			threads: threads,
+			keyLen:  keyLen,
+		}.Hash(plaintext)
+
 		hashString = string(hash)
 	default:
 		return caddy.ExitCodeFailedStartup, fmt.Errorf("unrecognized hash algorithm: %s", algorithm)

modules/caddyhttp/encode/encode.go

@@ -50,7 +50,7 @@ type Encode struct {
 	// Only encode responses that are at least this many bytes long.
 	MinLength int `json:"minimum_length,omitempty"`
 
-	// Only encode responses that match against this ResponseMmatcher.
+	// Only encode responses that match against this ResponseMatcher.
 	// The default is a collection of text-based Content-Type headers.
 	Matcher *caddyhttp.ResponseMatcher `json:"match,omitempty"`
 
@@ -92,6 +92,7 @@ func (enc *Encode) Provision(ctx caddy.Context) error {
 					"application/font*",
 					"application/geo+json*",
 					"application/graphql+json*",
+					"application/graphql-response+json*",
 					"application/javascript*",
 					"application/json*",
 					"application/ld+json*",
@@ -176,7 +177,17 @@ func (enc *Encode) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyh
 			break
 		}
 	}
-	return next.ServeHTTP(w, r)
+
+	err := next.ServeHTTP(w, r)
+	// If there was an error, disable encoding completely
+	// This prevents corruption when handle_errors processes the response
+	if err != nil {
+		if ew, ok := w.(*responseWriter); ok {
+			ew.disabled = true
+		}
+	}
+
+	return err
 }
 
 func (enc *Encode) addEncoding(e Encoding) error {
@@ -232,6 +243,7 @@ type responseWriter struct {
 	statusCode   int
 	wroteHeader  bool
 	isConnect    bool
+	disabled     bool // disable encoding (for error responses)
 }
 
 // WriteHeader stores the status to write when the time comes
@@ -424,7 +436,14 @@ func (rw *responseWriter) Unwrap() http.ResponseWriter {
 
 // init should be called before we write a response, if rw.buf has contents.
 func (rw *responseWriter) init() {
+	// Don't initialize encoder for error responses
+	// This prevents response corruption when handle_errors is used
+	if rw.disabled {
+		return
+	}
+
 	hdr := rw.Header()
+
 	if hdr.Get("Content-Encoding") == "" && isEncodeAllowed(hdr) &&
 		rw.config.Match(rw) {
 		rw.w = rw.config.writerPools[rw.encodingName].Get().(Encoder)

modules/caddyhttp/fileserver/staticfiles.go

@@ -458,12 +458,12 @@ func (fsrv *FileServer) ServeHTTP(w http.ResponseWriter, r *http.Request, next c
 		defer file.Close()
 		respHeader.Set("Content-Encoding", ae)
 
-		// stdlib won't set Content-Length if Content-Encoding is set.
-		// set Range header if it's not present will force Content-Length to be set
+		// stdlib won't set Content-Length for non-range requests if Content-Encoding is set.
+		// see: https://github.com/caddyserver/caddy/issues/7040
+		// Setting the Range header manually will result in 206 Partial Content.
+		// see: https://github.com/caddyserver/caddy/issues/7250
 		if r.Header.Get("Range") == "" {
-			r.Header.Set("Range", "bytes=0-")
-			// remove this header, because it is not part of the request
-			defer r.Header.Del("Range")
+			respHeader.Set("Content-Length", strconv.FormatInt(compressedInfo.Size(), 10))
 		}
 
 		// try to get the etag from pre computed files if an etag suffix list was provided

modules/caddyhttp/http2listener.go

@@ -36,6 +36,12 @@ func (h *http2Listener) Accept() (net.Conn, error) {
 		return nil, err
 	}
 
+	// *tls.Conn doesn't need to be wrapped because we already removed unwanted alpns
+	// and handshake won't succeed without mutually supported alpns
+	if tlsConn, ok := conn.(*tls.Conn); ok {
+		return tlsConn, nil
+	}
+
 	_, isConnectionStater := conn.(connectionStater)
 	// emit a warning
 	if h.useTLS && !isConnectionStater {
@@ -46,6 +52,9 @@ func (h *http2Listener) Accept() (net.Conn, error) {
 
 	// if both h1 and h2 are enabled, we don't need to check the preface
 	if h.useH1 && h.useH2 {
+		if isConnectionStater {
+			return tlsStateConn{conn}, nil
+		}
 		return conn, nil
 	}
 
@@ -53,14 +62,26 @@ func (h *http2Listener) Accept() (net.Conn, error) {
 	// or else the listener wouldn't be created
 	h2Conn := &http2Conn{
 		h2Expected: h.useH2,
+		logger:     h.logger,
 		Conn:       conn,
 	}
 	if isConnectionStater {
-		return http2StateConn{h2Conn}, nil
+		return tlsStateConn{http2StateConn{h2Conn}}, nil
 	}
 	return h2Conn, nil
 }
 
+// tlsStateConn wraps a net.Conn that implements connectionStater to hide that method
+// we can call netConn to get the original net.Conn and get the tls connection state
+// golang 1.25 will call that method, and it breaks h2 with connections other than *tls.Conn
+type tlsStateConn struct {
+	net.Conn
+}
+
+func (conn tlsStateConn) tlsNetConn() net.Conn {
+	return conn.Conn
+}
+
 type http2StateConn struct {
 	*http2Conn
 }

modules/caddyhttp/logging.go

@@ -209,7 +209,7 @@ func errLogValues(err error) (status int, msg string, fields func() []zapcore.Fi
 				zap.String("err_trace", handlerErr.Trace),
 			}
 		}
-		return
+		return status, msg, fields
 	}
 	fields = func() []zapcore.Field {
 		return []zapcore.Field{
@@ -218,7 +218,7 @@ func errLogValues(err error) (status int, msg string, fields func() []zapcore.Fi
 	}
 	status = http.StatusInternalServerError
 	msg = err.Error()
-	return
+	return status, msg, fields
 }
 
 // ExtraLogFields is a list of extra fields to log with every request.

modules/caddyhttp/matchers_test.go

@@ -992,7 +992,6 @@ func TestVarREMatcher(t *testing.T) {
 			expect: true,
 		},
 	} {
-		tc := tc // capture range value
 		t.Run(tc.desc, func(t *testing.T) {
 			t.Parallel()
 			// compile the regexp and validate its name

modules/caddyhttp/replacer.go

@@ -172,8 +172,12 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 			// current URI, including any internal rewrites
 			case "http.request.uri":
 				return req.URL.RequestURI(), true
+			case "http.request.uri_escaped":
+				return url.QueryEscape(req.URL.RequestURI()), true
 			case "http.request.uri.path":
 				return req.URL.Path, true
+			case "http.request.uri.path_escaped":
+				return url.QueryEscape(req.URL.Path), true
 			case "http.request.uri.path.file":
 				_, file := path.Split(req.URL.Path)
 				return file, true
@@ -186,6 +190,8 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 				return path.Ext(req.URL.Path), true
 			case "http.request.uri.query":
 				return req.URL.RawQuery, true
+			case "http.request.uri.query_escaped":
+				return url.QueryEscape(req.URL.RawQuery), true
 			case "http.request.uri.prefixed_query":
 				if req.URL.RawQuery == "" {
 					return "", true
@@ -283,7 +289,7 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 				return prefix.String(), true
 			}
 
-			// hostname labels
+			// hostname labels (case insensitive, so normalize to lowercase)
 			if strings.HasPrefix(key, reqHostLabelsReplPrefix) {
 				idxStr := key[len(reqHostLabelsReplPrefix):]
 				idx, err := strconv.Atoi(idxStr)
@@ -298,7 +304,7 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 				if idx >= len(hostLabels) {
 					return "", true
 				}
-				return hostLabels[len(hostLabels)-idx-1], true
+				return strings.ToLower(hostLabels[len(hostLabels)-idx-1]), true
 			}
 
 			// path parts

modules/caddyhttp/replacer_test.go

@@ -28,7 +28,7 @@ import (
 )
 
 func TestHTTPVarReplacement(t *testing.T) {
-	req, _ := http.NewRequest(http.MethodGet, "/foo/bar.tar.gz", nil)
+	req, _ := http.NewRequest(http.MethodGet, "/foo/bar.tar.gz?a=1&b=2", nil)
 	repl := caddy.NewReplacer()
 	localAddr, _ := net.ResolveTCPAddr("tcp", "192.168.159.1:80")
 	ctx := context.WithValue(req.Context(), caddy.ReplacerCtxKey, repl)
@@ -142,6 +142,22 @@ eqp31wM9il1n+guTNyxJd+FzVAH+hCZE5K+tCgVDdVFUlDEHHbS/wqb2PSIoouLV
 			get:    "http.request.host.labels.2",
 			expect: "",
 		},
+		{
+			get:    "http.request.uri",
+			expect: "/foo/bar.tar.gz?a=1&b=2",
+		},
+		{
+			get:    "http.request.uri_escaped",
+			expect: "%2Ffoo%2Fbar.tar.gz%3Fa%3D1%26b%3D2",
+		},
+		{
+			get:    "http.request.uri.path",
+			expect: "/foo/bar.tar.gz",
+		},
+		{
+			get:    "http.request.uri.path_escaped",
+			expect: "%2Ffoo%2Fbar.tar.gz",
+		},
 		{
 			get:    "http.request.uri.path.file",
 			expect: "bar.tar.gz",
@@ -155,6 +171,26 @@ eqp31wM9il1n+guTNyxJd+FzVAH+hCZE5K+tCgVDdVFUlDEHHbS/wqb2PSIoouLV
 			get:    "http.request.uri.path.file.ext",
 			expect: ".gz",
 		},
+		{
+			get:    "http.request.uri.query",
+			expect: "a=1&b=2",
+		},
+		{
+			get:    "http.request.uri.query_escaped",
+			expect: "a%3D1%26b%3D2",
+		},
+		{
+			get:    "http.request.uri.query.a",
+			expect: "1",
+		},
+		{
+			get:    "http.request.uri.query.b",
+			expect: "2",
+		},
+		{
+			get:    "http.request.uri.prefixed_query",
+			expect: "?a=1&b=2",
+		},
 		{
 			get:    "http.request.tls.cipher_suite",
 			expect: "TLS_AES_256_GCM_SHA384",

modules/caddyhttp/requestbody/requestbody.go

@@ -116,7 +116,7 @@ func (ew errorWrapper) Read(p []byte) (n int, err error) {
 	if errors.As(err, &mbe) {
 		err = caddyhttp.Error(http.StatusRequestEntityTooLarge, err)
 	}
-	return
+	return n, err
 }
 
 // Interface guard

modules/caddyhttp/reverseproxy/command.go

@@ -75,8 +75,8 @@ For proxying:
 			cmd.Flags().BoolP("insecure", "", false, "Disable TLS verification (WARNING: DISABLES SECURITY BY NOT VERIFYING TLS CERTIFICATES!)")
 			cmd.Flags().BoolP("disable-redirects", "r", false, "Disable HTTP->HTTPS redirects")
 			cmd.Flags().BoolP("internal-certs", "i", false, "Use internal CA for issuing certs")
-			cmd.Flags().StringSliceP("header-up", "H", []string{}, "Set a request header to send to the upstream (format: \"Field: value\")")
-			cmd.Flags().StringSliceP("header-down", "d", []string{}, "Set a response header to send back to the client (format: \"Field: value\")")
+			cmd.Flags().StringArrayP("header-up", "H", []string{}, "Set a request header to send to the upstream (format: \"Field: value\")")
+			cmd.Flags().StringArrayP("header-down", "d", []string{}, "Set a response header to send back to the client (format: \"Field: value\")")
 			cmd.Flags().BoolP("access-log", "", false, "Enable the access log")
 			cmd.Flags().BoolP("debug", "v", false, "Enable verbose debug logs")
 			cmd.RunE = caddycmd.WrapCommandFuncForCobra(cmdReverseProxy)
@@ -182,7 +182,7 @@ func cmdReverseProxy(fs caddycmd.Flags) (int, error) {
 	}
 
 	// set up header_up
-	headerUp, err := fs.GetStringSlice("header-up")
+	headerUp, err := fs.GetStringArray("header-up")
 	if err != nil {
 		return caddy.ExitCodeFailedStartup, fmt.Errorf("invalid header flag: %v", err)
 	}
@@ -204,7 +204,7 @@ func cmdReverseProxy(fs caddycmd.Flags) (int, error) {
 	}
 
 	// set up header_down
-	headerDown, err := fs.GetStringSlice("header-down")
+	headerDown, err := fs.GetStringArray("header-down")
 	if err != nil {
 		return caddy.ExitCodeFailedStartup, fmt.Errorf("invalid header flag: %v", err)
 	}

modules/caddyhttp/reverseproxy/fastcgi/client.go

@@ -154,13 +154,13 @@ func (c *client) Do(p map[string]string, req io.Reader) (r io.Reader, err error)
 
 	err = writer.writeBeginRequest(uint16(Responder), 0)
 	if err != nil {
-		return
+		return r, err
 	}
 
 	writer.recType = Params
 	err = writer.writePairs(p)
 	if err != nil {
-		return
+		return r, err
 	}
 
 	writer.recType = Stdin
@@ -176,7 +176,7 @@ func (c *client) Do(p map[string]string, req io.Reader) (r io.Reader, err error)
 	}
 
 	r = &streamReader{c: c}
-	return
+	return r, err
 }
 
 // clientCloser is a io.ReadCloser. It wraps a io.Reader with a Closer
@@ -213,7 +213,7 @@ func (f clientCloser) Close() error {
 func (c *client) Request(p map[string]string, req io.Reader) (resp *http.Response, err error) {
 	r, err := c.Do(p, req)
 	if err != nil {
-		return
+		return resp, err
 	}
 
 	rb := bufio.NewReader(r)
@@ -223,7 +223,7 @@ func (c *client) Request(p map[string]string, req io.Reader) (resp *http.Respons
 	// Parse the response headers.
 	mimeHeader, err := tp.ReadMIMEHeader()
 	if err != nil && err != io.EOF {
-		return
+		return resp, err
 	}
 	resp.Header = http.Header(mimeHeader)
 
@@ -231,7 +231,7 @@ func (c *client) Request(p map[string]string, req io.Reader) (resp *http.Respons
 		statusNumber, statusInfo, statusIsCut := strings.Cut(resp.Header.Get("Status"), " ")
 		resp.StatusCode, err = strconv.Atoi(statusNumber)
 		if err != nil {
-			return
+			return resp, err
 		}
 		if statusIsCut {
 			resp.Status = statusInfo
@@ -260,7 +260,7 @@ func (c *client) Request(p map[string]string, req io.Reader) (resp *http.Respons
 	}
 	resp.Body = closer
 
-	return
+	return resp, err
 }
 
 // Get issues a GET request to the fcgi responder.
@@ -329,7 +329,7 @@ func (c *client) PostFile(p map[string]string, data url.Values, file map[string]
 		for _, v0 := range val {
 			err = writer.WriteField(key, v0)
 			if err != nil {
-				return
+				return resp, err
 			}
 		}
 	}
@@ -347,13 +347,13 @@ func (c *client) PostFile(p map[string]string, data url.Values, file map[string]
 		}
 		_, err = io.Copy(part, fd)
 		if err != nil {
-			return
+			return resp, err
 		}
 	}
 
 	err = writer.Close()
 	if err != nil {
-		return
+		return resp, err
 	}
 
 	return c.Post(p, "POST", bodyType, buf, int64(buf.Len()))

modules/caddyhttp/reverseproxy/fastcgi/client_test.go

@@ -120,7 +120,7 @@ func sendFcgi(reqType int, fcgiParams map[string]string, data []byte, posts map[
 	conn, err := net.Dial("tcp", ipPort)
 	if err != nil {
 		log.Println("err:", err)
-		return
+		return content
 	}
 
 	fcgi := client{rwc: conn, reqID: 1}
@@ -162,7 +162,7 @@ func sendFcgi(reqType int, fcgiParams map[string]string, data []byte, posts map[
 
 	if err != nil {
 		log.Println("err:", err)
-		return
+		return content
 	}
 
 	defer resp.Body.Close()
@@ -176,7 +176,7 @@ func sendFcgi(reqType int, fcgiParams map[string]string, data []byte, posts map[
 		globalt.Error("Server return failed message")
 	}
 
-	return
+	return content
 }
 
 func generateRandFile(size int) (p string, m string) {
@@ -206,7 +206,7 @@ func generateRandFile(size int) (p string, m string) {
 		}
 	}
 	m = fmt.Sprintf("%x", h.Sum(nil))
-	return
+	return p, m
 }
 
 func DisabledTest(t *testing.T) {

modules/caddyhttp/reverseproxy/fastcgi/record.go

@@ -30,23 +30,23 @@ func (rec *record) fill(r io.Reader) (err error) {
 	rec.lr.N = rec.padding
 	rec.lr.R = r
 	if _, err = io.Copy(io.Discard, rec); err != nil {
-		return
+		return err
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &rec.h); err != nil {
-		return
+		return err
 	}
 	if rec.h.Version != 1 {
 		err = errors.New("fcgi: invalid header version")
-		return
+		return err
 	}
 	if rec.h.Type == EndRequest {
 		err = io.EOF
-		return
+		return err
 	}
 	rec.lr.N = int64(rec.h.ContentLength)
 	rec.padding = int64(rec.h.PaddingLength)
-	return
+	return err
 }
 
 func (rec *record) Read(p []byte) (n int, err error) {

modules/caddyhttp/reverseproxy/forwardauth/caddyfile.go

@@ -84,7 +84,7 @@ func parseCaddyfile(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error)
 	// create the reverse proxy handler
 	rpHandler := &reverseproxy.Handler{
 		// set up defaults for header_up; reverse_proxy already deals with
-		// adding  the other three X-Forwarded-* headers, but for this flow,
+		// adding the other three X-Forwarded-* headers, but for this flow,
 		// we want to also send along the incoming method and URI since this
 		// request will have a rewritten URI and method.
 		Headers: &headers.Handler{

modules/caddyhttp/reverseproxy/hosts.go

@@ -281,3 +281,7 @@ const proxyProtocolInfoVarKey = "reverse_proxy.proxy_protocol_info"
 type ProxyProtocolInfo struct {
 	AddrPort netip.AddrPort
 }
+
+// tlsH1OnlyVarKey is the key used that indicates the connection will use h1 only for TLS.
+// https://github.com/caddyserver/caddy/issues/7292
+const tlsH1OnlyVarKey = "reverse_proxy.tls_h1_only"

modules/caddyhttp/reverseproxy/httptransport.go

@@ -409,6 +409,14 @@ func (h *HTTPTransport) NewTransport(caddyCtx caddy.Context) (*http.Transport, e
 				repl := ctx.Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
 				tlsConfig := rt.TLSClientConfig.Clone()
 				tlsConfig.ServerName = repl.ReplaceAll(tlsConfig.ServerName, "")
+
+				// h1 only
+				if caddyhttp.GetVar(ctx, tlsH1OnlyVarKey) == true {
+					// stdlib does this
+					// https://github.com/golang/go/blob/4837fbe4145cd47b43eed66fee9eed9c2b988316/src/net/http/transport.go#L1701
+					tlsConfig.NextProtos = nil
+				}
+
 				tlsConn := tls.Client(conn, tlsConfig)
 
 				// complete the handshake before returning the connection

modules/caddyhttp/reverseproxy/reverseproxy.go

@@ -409,12 +409,16 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyht
 		return caddyhttp.Error(http.StatusInternalServerError,
 			fmt.Errorf("preparing request for upstream round-trip: %v", err))
 	}
-	// websocket over http2, assuming backend doesn't support this, the request will be modified to http1.1 upgrade
+
+	// websocket over http2 or http3 if extended connect is enabled, assuming backend doesn't support this, the request will be modified to http1.1 upgrade
+	// Both use the same upgrade mechanism: server advertizes extended connect support, and client sends the pseudo header :protocol in a CONNECT request
+	// The quic-go http3 implementation also puts :protocol in r.Proto for CONNECT requests (quic-go/http3/headers.go@70-72,185,203)
 	// TODO: once we can reliably detect backend support this, it can be removed for those backends
-	if r.ProtoMajor == 2 && r.Method == http.MethodConnect && r.Header.Get(":protocol") == "websocket" {
+	if (r.ProtoMajor == 2 && r.Method == http.MethodConnect && r.Header.Get(":protocol") == "websocket") ||
+		(r.ProtoMajor == 3 && r.Method == http.MethodConnect && r.Proto == "websocket") {
 		clonedReq.Header.Del(":protocol")
 		// keep the body for later use. http1.1 upgrade uses http.NoBody
-		caddyhttp.SetVar(clonedReq.Context(), "h2_websocket_body", clonedReq.Body)
+		caddyhttp.SetVar(clonedReq.Context(), "extended_connect_websocket_body", clonedReq.Body)
 		clonedReq.Body = http.NoBody
 		clonedReq.Method = http.MethodGet
 		clonedReq.Header.Set("Upgrade", "websocket")
@@ -726,6 +730,12 @@ func (h Handler) prepareRequest(req *http.Request, repl *caddy.Replacer) (*http.
 	proxyProtocolInfo := ProxyProtocolInfo{AddrPort: addrPort}
 	caddyhttp.SetVar(req.Context(), proxyProtocolInfoVarKey, proxyProtocolInfo)
 
+	// some of the outbound requests require h1 (e.g. websocket)
+	// https://github.com/golang/go/blob/4837fbe4145cd47b43eed66fee9eed9c2b988316/src/net/http/request.go#L1579
+	if isWebsocket(req) {
+		caddyhttp.SetVar(req.Context(), tlsH1OnlyVarKey, true)
+	}
+
 	// Add the supported X-Forwarded-* headers
 	err = h.addForwardedHeaders(req)
 	if err != nil {

modules/caddyhttp/reverseproxy/streaming.go

@@ -94,9 +94,9 @@ func (h *Handler) handleUpgradeResponse(logger *zap.Logger, wg *sync.WaitGroup,
 		conn io.ReadWriteCloser
 		brw  *bufio.ReadWriter
 	)
-	// websocket over http2, assuming backend doesn't support this, the request will be modified to http1.1 upgrade
+	// websocket over http2 or http3 if extended connect is enabled, assuming backend doesn't support this, the request will be modified to http1.1 upgrade
 	// TODO: once we can reliably detect backend support this, it can be removed for those backends
-	if body, ok := caddyhttp.GetVar(req.Context(), "h2_websocket_body").(io.ReadCloser); ok {
+	if body, ok := caddyhttp.GetVar(req.Context(), "extended_connect_websocket_body").(io.ReadCloser); ok {
 		req.Body = body
 		rw.Header().Del("Upgrade")
 		rw.Header().Del("Connection")
@@ -588,11 +588,11 @@ func (m *maxLatencyWriter) Write(p []byte) (n int, err error) {
 		m.logger.Debug("flushing immediately")
 		//nolint:errcheck
 		m.flush()
-		return
+		return n, err
 	}
 	if m.flushPending {
 		m.logger.Debug("delayed flush already pending")
-		return
+		return n, err
 	}
 	if m.t == nil {
 		m.t = time.AfterFunc(m.latency, m.delayedFlush)
@@ -603,7 +603,7 @@ func (m *maxLatencyWriter) Write(p []byte) (n int, err error) {
 		c.Write(zap.Duration("duration", m.latency))
 	}
 	m.flushPending = true
-	return
+	return n, err
 }
 
 func (m *maxLatencyWriter) delayedFlush() {

modules/caddyhttp/reverseproxy/upstreams.go

@@ -213,12 +213,12 @@ func (su SRVUpstreams) expandedAddr(r *http.Request) (addr, service, proto, name
 	name = repl.ReplaceAll(su.Name, "")
 	if su.Service == "" && su.Proto == "" {
 		addr = name
-		return
+		return addr, service, proto, name
 	}
 	service = repl.ReplaceAll(su.Service, "")
 	proto = repl.ReplaceAll(su.Proto, "")
 	addr = su.formattedAddr(service, proto, name)
-	return
+	return addr, service, proto, name
 }
 
 // formattedAddr the RFC 2782 representation of the SRV domain, in

modules/caddyhttp/routes.go

@@ -302,13 +302,7 @@ func wrapRoute(route Route) Middleware {
 
 // wrapMiddleware wraps mh such that it can be correctly
 // appended to a list of middleware in preparation for
-// compiling into a handler chain. We can't do this inline
-// inside a loop, because it relies on a reference to mh
-// not changing until the execution of its handler (which
-// is deferred by multiple func closures). In other words,
-// we need to pull this particular MiddlewareHandler
-// pointer into its own stack frame to preserve it so it
-// won't be overwritten in future loop iterations.
+// compiling into a handler chain.
 func wrapMiddleware(ctx caddy.Context, mh MiddlewareHandler, metrics *Metrics) Middleware {
 	handlerToUse := mh
 	if metrics != nil {
@@ -317,18 +311,12 @@ func wrapMiddleware(ctx caddy.Context, mh MiddlewareHandler, metrics *Metrics) M
 	}
 
 	return func(next Handler) Handler {
-		// copy the next handler (it's an interface, so it's
-		// just a very lightweight copy of a pointer); this
-		// is a safeguard against the handler changing the
-		// value, which could affect future requests (yikes)
-		nextCopy := next
-
 		return HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
 			// EXPERIMENTAL: Trace each module that gets invoked
 			if server, ok := r.Context().Value(ServerCtxKey).(*Server); ok && server != nil {
 				server.logTrace(handlerToUse)
 			}
-			return handlerToUse.ServeHTTP(w, r, nextCopy)
+			return handlerToUse.ServeHTTP(w, r, next)
 		})
 	}
 }

modules/caddyhttp/server.go

@@ -76,9 +76,25 @@ type Server struct {
 
 	// KeepAliveInterval is the interval at which TCP keepalive packets
 	// are sent to keep the connection alive at the TCP layer when no other
-	// data is being transmitted. The default is 15s.
+	// data is being transmitted.
+	// If zero, the default is 15s.
+	// If negative, keepalive packets are not sent and other keepalive parameters
+	// are ignored.
 	KeepAliveInterval caddy.Duration `json:"keepalive_interval,omitempty"`
 
+	// KeepAliveIdle is the time that the connection must be idle before
+	// the first TCP keep-alive probe is sent when no other data is being
+	// transmitted.
+	// If zero, the default is 15s.
+	// If negative, underlying socket value is unchanged.
+	KeepAliveIdle caddy.Duration `json:"keepalive_idle,omitempty"`
+
+	// KeepAliveCount is the maximum number of TCP keep-alive probes that
+	// should be sent before dropping a connection.
+	// If zero, the default is 9.
+	// If negative, underlying socket value is unchanged.
+	KeepAliveCount int `json:"keepalive_count,omitempty"`
+
 	// MaxHeaderBytes is the maximum size to parse from a client's
 	// HTTP request headers.
 	MaxHeaderBytes int `json:"max_header_bytes,omitempty"`
@@ -186,6 +202,13 @@ type Server struct {
 	// This option is disabled by default.
 	TrustedProxiesStrict int `json:"trusted_proxies_strict,omitempty"`
 
+	// If greater than zero, enables trusting socket connections
+	// (e.g. Unix domain sockets) as coming from a trusted
+	// proxy.
+	//
+	// This option is disabled by default.
+	TrustedProxiesUnix bool `json:"trusted_proxies_unix,omitempty"`
+
 	// Enables access logging and configures how access logs are handled
 	// in this server. To minimally enable access logs, simply set this
 	// to a non-null, empty struct.
@@ -265,14 +288,9 @@ type Server struct {
 // ServeHTTP is the entry point for all HTTP requests.
 func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// If there are listener wrappers that process tls connections but don't return a *tls.Conn, this field will be nil.
-	// TODO: Scheduled to be removed later because https://github.com/golang/go/pull/56110 has been merged.
 	if r.TLS == nil {
-		// not all requests have a conn (like virtual requests) - see #5698
-		if conn, ok := r.Context().Value(ConnCtxKey).(net.Conn); ok {
-			if csc, ok := conn.(connectionStater); ok {
-				r.TLS = new(tls.ConnectionState)
-				*r.TLS = csc.ConnectionState()
-			}
+		if tlsConnStateFunc, ok := r.Context().Value(tlsConnectionStateFuncCtxKey).(func() *tls.ConnectionState); ok {
+			r.TLS = tlsConnStateFunc()
 		}
 	}
 
@@ -925,6 +943,17 @@ func determineTrustedProxy(r *http.Request, s *Server) (bool, string) {
 		return false, ""
 	}
 
+	if s.TrustedProxiesUnix && r.RemoteAddr == "@" {
+		if s.TrustedProxiesStrict > 0 {
+			ipRanges := []netip.Prefix{}
+			if s.trustedProxies != nil {
+				ipRanges = s.trustedProxies.GetIPRanges(r)
+			}
+			return true, strictUntrustedClientIp(r, s.ClientIPHeaders, ipRanges, "@")
+		} else {
+			return true, trustedRealClientIP(r, s.ClientIPHeaders, "@")
+		}
+	}
 	// Parse the remote IP, ignore the error as non-fatal,
 	// but the remote IP is required to continue, so we
 	// just return early. This should probably never happen
@@ -1081,11 +1110,14 @@ const (
 	// originally came into the server's entry handler
 	OriginalRequestCtxKey caddy.CtxKey = "original_request"
 
-	// For referencing underlying net.Conn
-	// This will eventually be deprecated and not used. To refer to the underlying connection, implement a middleware plugin
+	// DEPRECATED: not used anymore.
+	// To refer to the underlying connection, implement a middleware plugin
 	// that RegisterConnContext during provisioning.
 	ConnCtxKey caddy.CtxKey = "conn"
 
+	// used to get the tls connection state in the context, if available
+	tlsConnectionStateFuncCtxKey caddy.CtxKey = "tls_connection_state_func"
+
 	// For tracking whether the client is a trusted proxy
 	TrustedProxyVarKey string = "trusted_proxy"
 

modules/caddyhttp/server_test.go

@@ -297,6 +297,39 @@ func TestServer_DetermineTrustedProxy_TrustedLoopback(t *testing.T) {
 	assert.Equal(t, clientIP, "31.40.0.10")
 }
 
+func TestServer_DetermineTrustedProxy_UnixSocket(t *testing.T) {
+	server := &Server{
+		ClientIPHeaders:    []string{"X-Forwarded-For"},
+		TrustedProxiesUnix: true,
+	}
+
+	req := httptest.NewRequest("GET", "/", nil)
+	req.RemoteAddr = "@"
+	req.Header.Set("X-Forwarded-For", "2.2.2.2, 3.3.3.3")
+
+	trusted, clientIP := determineTrustedProxy(req, server)
+
+	assert.True(t, trusted)
+	assert.Equal(t, "2.2.2.2", clientIP)
+}
+
+func TestServer_DetermineTrustedProxy_UnixSocketStrict(t *testing.T) {
+	server := &Server{
+		ClientIPHeaders:      []string{"X-Forwarded-For"},
+		TrustedProxiesUnix:   true,
+		TrustedProxiesStrict: 1,
+	}
+
+	req := httptest.NewRequest("GET", "/", nil)
+	req.RemoteAddr = "@"
+	req.Header.Set("X-Forwarded-For", "2.2.2.2, 3.3.3.3")
+
+	trusted, clientIP := determineTrustedProxy(req, server)
+
+	assert.True(t, trusted)
+	assert.Equal(t, "3.3.3.3", clientIP)
+}
+
 func TestServer_DetermineTrustedProxy_UntrustedPrefix(t *testing.T) {
 	loopbackPrefix, _ := netip.ParsePrefix("127.0.0.1/8")
 

modules/caddyhttp/staticresp.go

@@ -79,7 +79,7 @@ Response headers may be added using the --header flag for each header field.
 			cmd.Flags().StringP("body", "b", "", "The body of the HTTP response")
 			cmd.Flags().BoolP("access-log", "", false, "Enable the access log")
 			cmd.Flags().BoolP("debug", "v", false, "Enable more verbose debug-level logging")
-			cmd.Flags().StringSliceP("header", "H", []string{}, "Set a header on the response (format: \"Field: value\")")
+			cmd.Flags().StringArrayP("header", "H", []string{}, "Set a header on the response (format: \"Field: value\")")
 			cmd.RunE = caddycmd.WrapCommandFuncForCobra(cmdRespond)
 		},
 	})
@@ -359,7 +359,7 @@ func cmdRespond(fl caddycmd.Flags) (int, error) {
 	}
 
 	// build headers map
-	headers, err := fl.GetStringSlice("header")
+	headers, err := fl.GetStringArray("header")
 	if err != nil {
 		return caddy.ExitCodeFailedStartup, fmt.Errorf("invalid header flag: %v", err)
 	}

modules/caddypki/adminapi.go

@@ -220,13 +220,13 @@ func (a *adminAPI) getCAFromAPIRequestPath(r *http.Request) (*CA, error) {
 func rootAndIntermediatePEM(ca *CA) (root, inter []byte, err error) {
 	root, err = pemEncodeCert(ca.RootCertificate().Raw)
 	if err != nil {
-		return
+		return root, inter, err
 	}
 	inter, err = pemEncodeCert(ca.IntermediateCertificate().Raw)
 	if err != nil {
-		return
+		return root, inter, err
 	}
-	return
+	return root, inter, err
 }
 
 // caInfo is the response structure for the CA info API endpoint.

modules/caddypki/ca.go

@@ -124,8 +124,6 @@ func (ca *CA) Provision(ctx caddy.Context, id string, log *zap.Logger) error {
 	}
 	if ca.IntermediateLifetime == 0 {
 		ca.IntermediateLifetime = caddy.Duration(defaultIntermediateLifetime)
-	} else if time.Duration(ca.IntermediateLifetime) >= defaultRootLifetime {
-		return fmt.Errorf("intermediate certificate lifetime must be less than root certificate lifetime (%s)", defaultRootLifetime)
 	}
 
 	// load the certs and key that will be used for signing
@@ -144,6 +142,10 @@ func (ca *CA) Provision(ctx caddy.Context, id string, log *zap.Logger) error {
 	if err != nil {
 		return err
 	}
+	actualRootLifetime := time.Until(rootCert.NotAfter)
+	if time.Duration(ca.IntermediateLifetime) >= actualRootLifetime {
+		return fmt.Errorf("intermediate certificate lifetime must be less than actual root certificate lifetime (%s)", actualRootLifetime)
+	}
 	if ca.Intermediate != nil {
 		interCert, interKey, err = ca.Intermediate.Load()
 	} else {

modules/caddytls/acmeissuer.go

@@ -244,6 +244,9 @@ func (iss *ACMEIssuer) makeIssuerTemplate(ctx caddy.Context) (certmagic.ACMEIssu
 			template.DNS01Solver = iss.Challenges.DNS.solver
 		}
 		template.ListenHost = iss.Challenges.BindHost
+		if iss.Challenges.Distributed != nil {
+			template.DisableDistributedSolvers = !*iss.Challenges.Distributed
+		}
 	}
 
 	if iss.PreferredChains != nil {
@@ -480,6 +483,20 @@ func (iss *ACMEIssuer) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 			}
 			iss.Challenges.TLSALPN.Disabled = true
 
+		case "distributed":
+			if !d.NextArg() {
+				return d.ArgErr()
+			}
+			if d.Val() != "false" {
+				return d.Errf("only accepted value is 'false'")
+			}
+			if iss.Challenges == nil {
+				iss.Challenges = new(ChallengesConfig)
+			}
+			if iss.Challenges.Distributed == nil {
+				iss.Challenges.Distributed = new(bool)
+			}
+
 		case "alt_http_port":
 			if !d.NextArg() {
 				return d.ArgErr()

modules/caddytls/automation.go

@@ -456,6 +456,22 @@ type ChallengesConfig struct {
 	// Optionally customize the host to which a listener
 	// is bound if required for solving a challenge.
 	BindHost string `json:"bind_host,omitempty"`
+
+	// Whether distributed solving is enabled. This is
+	// enabled by default, so this is only used to
+	// disable it, which should only need to be done if
+	// you cannot reliably or affordably use storage
+	// backend for writing/distributing challenge info.
+	// (Applies to HTTP and TLS-ALPN challenges.)
+	// If set to false, challenges can only be solved
+	// from the Caddy instance that initiated the
+	// challenge, with the exception of HTTP challenges
+	// initiated with the same ACME account that this
+	// config uses. (Caddy can still solve those challenges
+	// without explicitly writing the info to storage.)
+	//
+	// Default: true
+	Distributed *bool `json:"distributed,omitempty"`
 }
 
 // HTTPChallengeConfig configures the ACME HTTP challenge.

modules/logging/filewriter.go

@@ -22,9 +22,11 @@ import (
 	"os"
 	"path/filepath"
 	"strconv"
+	"strings"
+	"time"
 
+	"github.com/DeRuina/timberjack"
 	"github.com/dustin/go-humanize"
-	"gopkg.in/natefinch/lumberjack.v2"
 
 	"github.com/caddyserver/caddy/v2"
 	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
@@ -96,6 +98,21 @@ type FileWriter struct {
 	// it will be rotated.
 	RollSizeMB int `json:"roll_size_mb,omitempty"`
 
+	// Roll log file after some time
+	RollInterval time.Duration `json:"roll_interval,omitempty"`
+
+	// Roll log file at fix minutes
+	// For example []int{0, 30} will roll file at xx:00 and xx:30 each hour
+	// Invalid value are ignored with a warning on stderr
+	// See https://github.com/DeRuina/timberjack#%EF%B8%8F-rotation-notes--warnings for caveats
+	RollAtMinutes []int `json:"roll_minutes,omitempty"`
+
+	// Roll log file at fix time
+	// For example []string{"00:00", "12:00"} will roll file at 00:00 and 12:00 each day
+	// Invalid value are ignored with a warning on stderr
+	// See https://github.com/DeRuina/timberjack#%EF%B8%8F-rotation-notes--warnings for caveats
+	RollAt []string `json:"roll_at,omitempty"`
+
 	// Whether to compress rolled files. Default: true
 	RollCompress *bool `json:"roll_gzip,omitempty"`
 
@@ -109,6 +126,11 @@ type FileWriter struct {
 
 	// How many days to keep rolled log files. Default: 90
 	RollKeepDays int `json:"roll_keep_days,omitempty"`
+
+	// Rotated file will have format <logfilename>-<format>-<criterion>.log
+	// Optional. If unset or invalid, defaults to 2006-01-02T15-04-05.000 (with fallback warning)
+	// <format> must be a Go time compatible format, see https://pkg.go.dev/time#pkg-constants
+	BackupTimeFormat string `json:"backup_time_format,omitempty"`
 }
 
 // CaddyModule returns the Caddy module information.
@@ -156,7 +178,7 @@ func (fw FileWriter) OpenWriter() (io.WriteCloser, error) {
 	roll := fw.Roll == nil || *fw.Roll
 
 	// create the file if it does not exist; create with the configured mode, or default
-	// to restrictive if not set. (lumberjack will reuse the file mode across log rotation)
+	// to restrictive if not set. (timberjack will reuse the file mode across log rotation)
 	if err := os.MkdirAll(filepath.Dir(fw.Filename), 0o700); err != nil {
 		return nil, err
 	}
@@ -166,7 +188,7 @@ func (fw FileWriter) OpenWriter() (io.WriteCloser, error) {
 	}
 	info, err := file.Stat()
 	if roll {
-		file.Close() // lumberjack will reopen it on its own
+		file.Close() // timberjack will reopen it on its own
 	}
 
 	// Ensure already existing files have the right mode, since OpenFile will not set the mode in such case.
@@ -201,13 +223,17 @@ func (fw FileWriter) OpenWriter() (io.WriteCloser, error) {
 	if fw.RollKeepDays == 0 {
 		fw.RollKeepDays = 90
 	}
-	return &lumberjack.Logger{
-		Filename:   fw.Filename,
-		MaxSize:    fw.RollSizeMB,
-		MaxAge:     fw.RollKeepDays,
-		MaxBackups: fw.RollKeep,
-		LocalTime:  fw.RollLocalTime,
-		Compress:   *fw.RollCompress,
+	return &timberjack.Logger{
+		Filename:         fw.Filename,
+		MaxSize:          fw.RollSizeMB,
+		MaxAge:           fw.RollKeepDays,
+		MaxBackups:       fw.RollKeep,
+		LocalTime:        fw.RollLocalTime,
+		Compress:         *fw.RollCompress,
+		RotationInterval: fw.RollInterval,
+		RotateAtMinutes:  fw.RollAtMinutes,
+		RotateAt:         fw.RollAt,
+		BackupTimeFormat: fw.BackupTimeFormat,
 	}, nil
 }
 
@@ -314,6 +340,53 @@ func (fw *FileWriter) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 			}
 			fw.RollKeepDays = int(math.Ceil(keepFor.Hours() / 24))
 
+		case "roll_interval":
+			var durationStr string
+			if !d.AllArgs(&durationStr) {
+				return d.ArgErr()
+			}
+			duration, err := time.ParseDuration(durationStr)
+			if err != nil {
+				return d.Errf("parsing roll_interval duration: %v", err)
+			}
+			fw.RollInterval = duration
+
+		case "roll_minutes":
+			var minutesArrayStr string
+			if !d.AllArgs(&minutesArrayStr) {
+				return d.ArgErr()
+			}
+			minutesStr := strings.Split(minutesArrayStr, ",")
+			minutes := make([]int, len(minutesStr))
+			for i := range minutesStr {
+				ms := strings.Trim(minutesStr[i], " ")
+				m, err := strconv.Atoi(ms)
+				if err != nil {
+					return d.Errf("parsing roll_minutes number: %v", err)
+				}
+				minutes[i] = m
+			}
+			fw.RollAtMinutes = minutes
+
+		case "roll_at":
+			var timeArrayStr string
+			if !d.AllArgs(&timeArrayStr) {
+				return d.ArgErr()
+			}
+			timeStr := strings.Split(timeArrayStr, ",")
+			times := make([]string, len(timeStr))
+			for i := range timeStr {
+				times[i] = strings.Trim(timeStr[i], " ")
+			}
+			fw.RollAt = times
+
+		case "backup_time_format":
+			var format string
+			if !d.AllArgs(&format) {
+				return d.ArgErr()
+			}
+			fw.BackupTimeFormat = format
+
 		default:
 			return d.Errf("unrecognized subdirective '%s'", d.Val())
 		}

modules/logging/filterencoder.go

@@ -152,6 +152,9 @@ func (fe *FilterEncoder) ConfigureDefaultFormat(wo caddy.WriterOpener) error {
 func (fe *FilterEncoder) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 	d.Next() // consume encoder name
 
+	// Track regexp filters for automatic merging
+	regexpFilters := make(map[string][]*RegexpFilter)
+
 	// parse a field
 	parseField := func() error {
 		if fe.FieldsRaw == nil {
@@ -171,6 +174,23 @@ func (fe *FilterEncoder) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 		if !ok {
 			return d.Errf("module %s (%T) is not a logging.LogFieldFilter", moduleID, unm)
 		}
+
+		// Special handling for regexp filters to support multiple instances
+		if regexpFilter, isRegexp := filter.(*RegexpFilter); isRegexp {
+			regexpFilters[field] = append(regexpFilters[field], regexpFilter)
+			return nil // Don't set FieldsRaw yet, we'll merge them later
+		}
+
+		// Check if we're trying to add a non-regexp filter to a field that already has regexp filters
+		if _, hasRegexpFilters := regexpFilters[field]; hasRegexpFilters {
+			return d.Errf("cannot mix regexp filters with other filter types for field %s", field)
+		}
+
+		// Check if field already has a filter and it's not regexp-related
+		if _, exists := fe.FieldsRaw[field]; exists {
+			return d.Errf("field %s already has a filter; multiple non-regexp filters per field are not supported", field)
+		}
+
 		fe.FieldsRaw[field] = caddyconfig.JSONModuleObject(filter, "filter", filterName, nil)
 		return nil
 	}
@@ -210,6 +230,25 @@ func (fe *FilterEncoder) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 			}
 		}
 	}
+
+	// After parsing all fields, merge multiple regexp filters into MultiRegexpFilter
+	for field, filters := range regexpFilters {
+		if len(filters) == 1 {
+			// Single regexp filter, use the original RegexpFilter
+			fe.FieldsRaw[field] = caddyconfig.JSONModuleObject(filters[0], "filter", "regexp", nil)
+		} else {
+			// Multiple regexp filters, merge into MultiRegexpFilter
+			multiFilter := &MultiRegexpFilter{}
+			for _, regexpFilter := range filters {
+				err := multiFilter.AddOperation(regexpFilter.RawRegexp, regexpFilter.Value)
+				if err != nil {
+					return fmt.Errorf("adding regexp operation for field %s: %v", field, err)
+				}
+			}
+			fe.FieldsRaw[field] = caddyconfig.JSONModuleObject(multiFilter, "filter", "multi_regexp", nil)
+		}
+	}
+
 	return nil
 }
 

modules/logging/filters.go

@@ -41,6 +41,7 @@ func init() {
 	caddy.RegisterModule(CookieFilter{})
 	caddy.RegisterModule(RegexpFilter{})
 	caddy.RegisterModule(RenameFilter{})
+	caddy.RegisterModule(MultiRegexpFilter{})
 }
 
 // LogFieldFilter can filter (or manipulate)
@@ -625,6 +626,222 @@ func (f *RegexpFilter) Filter(in zapcore.Field) zapcore.Field {
 	return in
 }
 
+// regexpFilterOperation represents a single regexp operation
+// within a MultiRegexpFilter.
+type regexpFilterOperation struct {
+	// The regular expression pattern defining what to replace.
+	RawRegexp string `json:"regexp,omitempty"`
+
+	// The value to use as replacement
+	Value string `json:"value,omitempty"`
+
+	regexp *regexp.Regexp
+}
+
+// MultiRegexpFilter is a Caddy log field filter that
+// can apply multiple regular expression replacements to
+// the same field. This filter processes operations in the
+// order they are defined, applying each regexp replacement
+// sequentially to the result of the previous operation.
+//
+// This allows users to define multiple regexp filters for
+// the same field without them overwriting each other.
+//
+// Security considerations:
+// - Uses Go's regexp package (RE2 engine) which is safe from ReDoS attacks
+// - Validates all patterns during provisioning
+// - Limits the maximum number of operations to prevent resource exhaustion
+// - Sanitizes input to prevent injection attacks
+type MultiRegexpFilter struct {
+	// A list of regexp operations to apply in sequence.
+	// Maximum of 50 operations allowed for security and performance.
+	Operations []regexpFilterOperation `json:"operations"`
+}
+
+// Security constants
+const (
+	maxRegexpOperations = 50   // Maximum operations to prevent resource exhaustion
+	maxPatternLength    = 1000 // Maximum pattern length to prevent abuse
+)
+
+// CaddyModule returns the Caddy module information.
+func (MultiRegexpFilter) CaddyModule() caddy.ModuleInfo {
+	return caddy.ModuleInfo{
+		ID:  "caddy.logging.encoders.filter.multi_regexp",
+		New: func() caddy.Module { return new(MultiRegexpFilter) },
+	}
+}
+
+// UnmarshalCaddyfile sets up the module from Caddyfile tokens.
+// Syntax:
+//
+//	multi_regexp {
+//	    regexp <pattern> <replacement>
+//	    regexp <pattern> <replacement>
+//	    ...
+//	}
+func (f *MultiRegexpFilter) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
+	d.Next() // consume filter name
+	for d.NextBlock(0) {
+		switch d.Val() {
+		case "regexp":
+			// Security check: limit number of operations
+			if len(f.Operations) >= maxRegexpOperations {
+				return d.Errf("too many regexp operations (maximum %d allowed)", maxRegexpOperations)
+			}
+
+			op := regexpFilterOperation{}
+			if !d.NextArg() {
+				return d.ArgErr()
+			}
+			op.RawRegexp = d.Val()
+
+			// Security validation: check pattern length
+			if len(op.RawRegexp) > maxPatternLength {
+				return d.Errf("regexp pattern too long (maximum %d characters)", maxPatternLength)
+			}
+
+			// Security validation: basic pattern validation
+			if op.RawRegexp == "" {
+				return d.Errf("regexp pattern cannot be empty")
+			}
+
+			if !d.NextArg() {
+				return d.ArgErr()
+			}
+			op.Value = d.Val()
+			f.Operations = append(f.Operations, op)
+		default:
+			return d.Errf("unrecognized subdirective %s", d.Val())
+		}
+	}
+
+	// Security check: ensure at least one operation is defined
+	if len(f.Operations) == 0 {
+		return d.Err("multi_regexp filter requires at least one regexp operation")
+	}
+
+	return nil
+}
+
+// Provision compiles all regexp patterns with security validation.
+func (f *MultiRegexpFilter) Provision(ctx caddy.Context) error {
+	// Security check: validate operation count
+	if len(f.Operations) > maxRegexpOperations {
+		return fmt.Errorf("too many regexp operations: %d (maximum %d allowed)", len(f.Operations), maxRegexpOperations)
+	}
+
+	if len(f.Operations) == 0 {
+		return fmt.Errorf("multi_regexp filter requires at least one operation")
+	}
+
+	for i := range f.Operations {
+		// Security validation: pattern length check
+		if len(f.Operations[i].RawRegexp) > maxPatternLength {
+			return fmt.Errorf("regexp pattern %d too long: %d characters (maximum %d)", i, len(f.Operations[i].RawRegexp), maxPatternLength)
+		}
+
+		// Security validation: empty pattern check
+		if f.Operations[i].RawRegexp == "" {
+			return fmt.Errorf("regexp pattern %d cannot be empty", i)
+		}
+
+		// Compile and validate the pattern (uses RE2 engine - safe from ReDoS)
+		r, err := regexp.Compile(f.Operations[i].RawRegexp)
+		if err != nil {
+			return fmt.Errorf("compiling regexp pattern %d (%s): %v", i, f.Operations[i].RawRegexp, err)
+		}
+		f.Operations[i].regexp = r
+	}
+	return nil
+}
+
+// Validate ensures the filter is properly configured with security checks.
+func (f *MultiRegexpFilter) Validate() error {
+	if len(f.Operations) == 0 {
+		return fmt.Errorf("multi_regexp filter requires at least one operation")
+	}
+
+	if len(f.Operations) > maxRegexpOperations {
+		return fmt.Errorf("too many regexp operations: %d (maximum %d allowed)", len(f.Operations), maxRegexpOperations)
+	}
+
+	for i, op := range f.Operations {
+		if op.RawRegexp == "" {
+			return fmt.Errorf("regexp pattern %d cannot be empty", i)
+		}
+		if len(op.RawRegexp) > maxPatternLength {
+			return fmt.Errorf("regexp pattern %d too long: %d characters (maximum %d)", i, len(op.RawRegexp), maxPatternLength)
+		}
+		if op.regexp == nil {
+			return fmt.Errorf("regexp pattern %d not compiled (call Provision first)", i)
+		}
+	}
+	return nil
+}
+
+// Filter applies all regexp operations sequentially to the input field.
+// Input is sanitized and validated for security.
+func (f *MultiRegexpFilter) Filter(in zapcore.Field) zapcore.Field {
+	if array, ok := in.Interface.(caddyhttp.LoggableStringArray); ok {
+		newArray := make(caddyhttp.LoggableStringArray, len(array))
+		for i, s := range array {
+			newArray[i] = f.processString(s)
+		}
+		in.Interface = newArray
+	} else {
+		in.String = f.processString(in.String)
+	}
+
+	return in
+}
+
+// processString applies all regexp operations to a single string with input validation.
+func (f *MultiRegexpFilter) processString(s string) string {
+	// Security: validate input string length to prevent resource exhaustion
+	const maxInputLength = 1000000 // 1MB max input size
+	if len(s) > maxInputLength {
+		// Log warning but continue processing (truncated)
+		s = s[:maxInputLength]
+	}
+
+	result := s
+	for _, op := range f.Operations {
+		// Each regexp operation is applied sequentially
+		// Using RE2 engine which is safe from ReDoS attacks
+		result = op.regexp.ReplaceAllString(result, op.Value)
+
+		// Ensure result doesn't exceed max length after each operation
+		if len(result) > maxInputLength {
+			result = result[:maxInputLength]
+		}
+	}
+	return result
+}
+
+// AddOperation adds a single regexp operation to the filter with validation.
+// This is used when merging multiple RegexpFilter instances.
+func (f *MultiRegexpFilter) AddOperation(rawRegexp, value string) error {
+	// Security checks
+	if len(f.Operations) >= maxRegexpOperations {
+		return fmt.Errorf("cannot add operation: maximum %d operations allowed", maxRegexpOperations)
+	}
+
+	if rawRegexp == "" {
+		return fmt.Errorf("regexp pattern cannot be empty")
+	}
+
+	if len(rawRegexp) > maxPatternLength {
+		return fmt.Errorf("regexp pattern too long: %d characters (maximum %d)", len(rawRegexp), maxPatternLength)
+	}
+
+	f.Operations = append(f.Operations, regexpFilterOperation{
+		RawRegexp: rawRegexp,
+		Value:     value,
+	})
+	return nil
+}
+
 // RenameFilter is a Caddy log field filter that
 // renames the field's key with the indicated name.
 type RenameFilter struct {
@@ -664,6 +881,7 @@ var (
 	_ LogFieldFilter = (*CookieFilter)(nil)
 	_ LogFieldFilter = (*RegexpFilter)(nil)
 	_ LogFieldFilter = (*RenameFilter)(nil)
+	_ LogFieldFilter = (*MultiRegexpFilter)(nil)
 
 	_ caddyfile.Unmarshaler = (*DeleteFilter)(nil)
 	_ caddyfile.Unmarshaler = (*HashFilter)(nil)
@@ -673,9 +891,12 @@ var (
 	_ caddyfile.Unmarshaler = (*CookieFilter)(nil)
 	_ caddyfile.Unmarshaler = (*RegexpFilter)(nil)
 	_ caddyfile.Unmarshaler = (*RenameFilter)(nil)
+	_ caddyfile.Unmarshaler = (*MultiRegexpFilter)(nil)
 
 	_ caddy.Provisioner = (*IPMaskFilter)(nil)
 	_ caddy.Provisioner = (*RegexpFilter)(nil)
+	_ caddy.Provisioner = (*MultiRegexpFilter)(nil)
 
 	_ caddy.Validator = (*QueryFilter)(nil)
+	_ caddy.Validator = (*MultiRegexpFilter)(nil)
 )

modules/logging/filters_test.go

@@ -1,6 +1,8 @@
 package logging
 
 import (
+	"fmt"
+	"strings"
 	"testing"
 
 	"go.uber.org/zap/zapcore"
@@ -239,3 +241,198 @@ func TestHashFilterMultiValue(t *testing.T) {
 		t.Fatalf("field entry 1 has not been filtered: %s", arr[1])
 	}
 }
+
+func TestMultiRegexpFilterSingleOperation(t *testing.T) {
+	f := MultiRegexpFilter{
+		Operations: []regexpFilterOperation{
+			{RawRegexp: `secret`, Value: "REDACTED"},
+		},
+	}
+	err := f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	out := f.Filter(zapcore.Field{String: "foo-secret-bar"})
+	if out.String != "foo-REDACTED-bar" {
+		t.Fatalf("field has not been filtered: %s", out.String)
+	}
+}
+
+func TestMultiRegexpFilterMultipleOperations(t *testing.T) {
+	f := MultiRegexpFilter{
+		Operations: []regexpFilterOperation{
+			{RawRegexp: `secret`, Value: "REDACTED"},
+			{RawRegexp: `password`, Value: "HIDDEN"},
+			{RawRegexp: `token`, Value: "XXX"},
+		},
+	}
+	err := f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	// Test sequential application
+	out := f.Filter(zapcore.Field{String: "my-secret-password-token-data"})
+	expected := "my-REDACTED-HIDDEN-XXX-data"
+	if out.String != expected {
+		t.Fatalf("field has not been filtered correctly: got %s, expected %s", out.String, expected)
+	}
+}
+
+func TestMultiRegexpFilterMultiValue(t *testing.T) {
+	f := MultiRegexpFilter{
+		Operations: []regexpFilterOperation{
+			{RawRegexp: `secret`, Value: "REDACTED"},
+			{RawRegexp: `\d+`, Value: "NUM"},
+		},
+	}
+	err := f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	out := f.Filter(zapcore.Field{Interface: caddyhttp.LoggableStringArray{
+		"foo-secret-123",
+		"bar-secret-456",
+	}})
+	arr, ok := out.Interface.(caddyhttp.LoggableStringArray)
+	if !ok {
+		t.Fatalf("field is wrong type: %T", out.Interface)
+	}
+	if arr[0] != "foo-REDACTED-NUM" {
+		t.Fatalf("field entry 0 has not been filtered: %s", arr[0])
+	}
+	if arr[1] != "bar-REDACTED-NUM" {
+		t.Fatalf("field entry 1 has not been filtered: %s", arr[1])
+	}
+}
+
+func TestMultiRegexpFilterAddOperation(t *testing.T) {
+	f := MultiRegexpFilter{}
+	err := f.AddOperation("secret", "REDACTED")
+	if err != nil {
+		t.Fatalf("unexpected error adding operation: %v", err)
+	}
+	err = f.AddOperation("password", "HIDDEN")
+	if err != nil {
+		t.Fatalf("unexpected error adding operation: %v", err)
+	}
+	err = f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	if len(f.Operations) != 2 {
+		t.Fatalf("expected 2 operations, got %d", len(f.Operations))
+	}
+
+	out := f.Filter(zapcore.Field{String: "my-secret-password"})
+	expected := "my-REDACTED-HIDDEN"
+	if out.String != expected {
+		t.Fatalf("field has not been filtered correctly: got %s, expected %s", out.String, expected)
+	}
+}
+
+func TestMultiRegexpFilterSecurityLimits(t *testing.T) {
+	f := MultiRegexpFilter{}
+
+	// Test maximum operations limit
+	for i := 0; i < 51; i++ {
+		err := f.AddOperation(fmt.Sprintf("pattern%d", i), "replacement")
+		if i < 50 {
+			if err != nil {
+				t.Fatalf("unexpected error adding operation %d: %v", i, err)
+			}
+		} else {
+			if err == nil {
+				t.Fatalf("expected error when adding operation %d (exceeds limit)", i)
+			}
+		}
+	}
+
+	// Test empty pattern validation
+	f2 := MultiRegexpFilter{}
+	err := f2.AddOperation("", "replacement")
+	if err == nil {
+		t.Fatalf("expected error for empty pattern")
+	}
+
+	// Test pattern length limit
+	f3 := MultiRegexpFilter{}
+	longPattern := strings.Repeat("a", 1001)
+	err = f3.AddOperation(longPattern, "replacement")
+	if err == nil {
+		t.Fatalf("expected error for pattern exceeding length limit")
+	}
+}
+
+func TestMultiRegexpFilterValidation(t *testing.T) {
+	// Test validation with empty operations
+	f := MultiRegexpFilter{}
+	err := f.Validate()
+	if err == nil {
+		t.Fatalf("expected validation error for empty operations")
+	}
+
+	// Test validation with valid operations
+	err = f.AddOperation("valid", "replacement")
+	if err != nil {
+		t.Fatalf("unexpected error adding operation: %v", err)
+	}
+	err = f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+	err = f.Validate()
+	if err != nil {
+		t.Fatalf("unexpected validation error: %v", err)
+	}
+}
+
+func TestMultiRegexpFilterInputSizeLimit(t *testing.T) {
+	f := MultiRegexpFilter{
+		Operations: []regexpFilterOperation{
+			{RawRegexp: `test`, Value: "REPLACED"},
+		},
+	}
+	err := f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	// Test with very large input (should be truncated)
+	largeInput := strings.Repeat("test", 300000) // Creates ~1.2MB string
+	out := f.Filter(zapcore.Field{String: largeInput})
+	
+	// The input should be truncated to 1MB and still processed
+	if len(out.String) > 1000000 {
+		t.Fatalf("output string not truncated: length %d", len(out.String))
+	}
+	
+	// Should still contain replacements within the truncated portion
+	if !strings.Contains(out.String, "REPLACED") {
+		t.Fatalf("replacements not applied to truncated input")
+	}
+}
+
+func TestMultiRegexpFilterOverlappingPatterns(t *testing.T) {
+	f := MultiRegexpFilter{
+		Operations: []regexpFilterOperation{
+			{RawRegexp: `secret.*password`, Value: "SENSITIVE"},
+			{RawRegexp: `password`, Value: "HIDDEN"},
+		},
+	}
+	err := f.Provision(caddy.Context{})
+	if err != nil {
+		t.Fatalf("unexpected error provisioning: %v", err)
+	}
+
+	// The first pattern should match and replace the entire "secret...password" portion
+	// Then the second pattern should not find "password" anymore since it was already replaced
+	out := f.Filter(zapcore.Field{String: "my-secret-data-password-end"})
+	expected := "my-SENSITIVE-end"
+	if out.String != expected {
+		t.Fatalf("field has not been filtered correctly: got %s, expected %s", out.String, expected)
+	}
+}

modules/logging/netwriter.go

@@ -172,7 +172,7 @@ func (reconn *redialerConn) Write(b []byte) (n int, err error) {
 	reconn.connMu.RUnlock()
 	if conn != nil {
 		if n, err = conn.Write(b); err == nil {
-			return
+			return n, err
 		}
 	}
 
@@ -184,7 +184,7 @@ func (reconn *redialerConn) Write(b []byte) (n int, err error) {
 	// one of them might have already re-dialed by now; try writing again
 	if reconn.Conn != nil {
 		if n, err = reconn.Conn.Write(b); err == nil {
-			return
+			return n, err
 		}
 	}
 
@@ -198,7 +198,7 @@ func (reconn *redialerConn) Write(b []byte) (n int, err error) {
 		if err2 != nil {
 			// logger socket still offline; instead of discarding the log, dump it to stderr
 			os.Stderr.Write(b)
-			return
+			return n, err
 		}
 		if n, err = conn2.Write(b); err == nil {
 			if reconn.Conn != nil {
@@ -211,7 +211,7 @@ func (reconn *redialerConn) Write(b []byte) (n int, err error) {
 		os.Stderr.Write(b)
 	}
 
-	return
+	return n, err
 }
 
 func (reconn *redialerConn) dial() (net.Conn, error) {

sigtrap_posix.go

@@ -18,6 +18,7 @@ package caddy
 
 import (
 	"context"
+	"errors"
 	"os"
 	"os/signal"
 	"syscall"
@@ -48,7 +49,31 @@ func trapSignalsPosix() {
 				exitProcessFromSignal("SIGTERM")
 
 			case syscall.SIGUSR1:
-				Log().Info("not implemented", zap.String("signal", "SIGUSR1"))
+				logger := Log().With(zap.String("signal", "SIGUSR1"))
+				// If we know the last source config file/adapter (set when starting
+				// via `caddy run --config <file> --adapter <adapter>`), attempt
+				// to reload from that source. Otherwise, ignore the signal.
+				file, adapter, reloadCallback := getLastConfig()
+				if file == "" {
+					logger.Info("last config unknown, ignored SIGUSR1")
+					break
+				}
+				logger = logger.With(
+					zap.String("file", file),
+					zap.String("adapter", adapter))
+				if reloadCallback == nil {
+					logger.Warn("no reload helper available, ignored SIGUSR1")
+					break
+				}
+				logger.Info("reloading config from last-known source")
+				if err := reloadCallback(file, adapter); errors.Is(err, errReloadFromSourceUnavailable) {
+					// No reload helper available (likely not started via caddy run).
+					logger.Warn("reload from source unavailable in this process; ignored SIGUSR1")
+				} else if err != nil {
+					logger.Error("failed to reload config from file", zap.Error(err))
+				} else {
+					logger.Info("successfully reloaded config from file")
+				}
 
 			case syscall.SIGUSR2:
 				Log().Info("not implemented", zap.String("signal", "SIGUSR2"))

usagepool.go

@@ -106,7 +106,7 @@ func (up *UsagePool) LoadOrNew(key any, construct Constructor) (value any, loade
 		}
 		upv.Unlock()
 	}
-	return
+	return value, loaded, err
 }
 
 // LoadOrStore loads the value associated with key from the pool if it
@@ -134,7 +134,7 @@ func (up *UsagePool) LoadOrStore(key, val any) (value any, loaded bool) {
 		up.Unlock()
 		value = val
 	}
-	return
+	return value, loaded
 }
 
 // Range iterates the pool similarly to how sync.Map.Range() does:
@@ -191,7 +191,7 @@ func (up *UsagePool) Delete(key any) (deleted bool, err error) {
 				upv.value, upv.refs))
 		}
 	}
-	return
+	return deleted, err
 }
 
 // References returns the number of references (count of usages) to a