enroll/cm.py

@@ -751,32 +751,6 @@ def sanitize_markdown_text(value: Any) -> str:
     return text.strip()
 
 
-def sanitize_report_text(value: Any) -> str:
-    """Neutralise harvested text before it is spliced into a plaintext report.
-
-    The ``enroll diff`` text/markdown reports embed harvested, attacker-
-    influenceable values (file paths, owners, groups, link targets, host names,
-    metadata old/new values). Even in the non-Markdown text report a raw
-    newline or carriage return in such a value would let it forge additional
-    report lines (e.g. a fake "No differences detected." line or a spoofed
-    package/file entry), and other C0/C1 control bytes could smuggle terminal
-    escape sequences when the report is printed or piped to a notification
-    channel.
-
-    This collapses any whitespace run (including newlines and tabs) to a single
-    space and drops other control bytes. Unlike :func:`sanitize_markdown_text`
-    it does not rewrite backticks, since the plaintext report does not use
-    Markdown code spans. It is deliberately lossy: the report is a
-    human-readable summary, not a faithful byte-for-byte rendering of hostile
-    input.
-    """
-
-    text = str(value)
-    text = re.sub(r"\s+", " ", text)
-    text = _MARKDOWN_CONTROL_RE.sub("", text)
-    return text.strip()
-
-
 def markdown_list(items: Iterable[Any], *, empty: str = "None.") -> str:
     """Render already-composed Markdown list lines.
 

enroll/diff.py

@@ -29,7 +29,6 @@ from .state import (
 from .pathfilter import PathFilter
 from .sopsutil import decrypt_file_binary_to, require_sops_cmd
 from .manifest_safety import freeze_directory_bundle
-from .cm import sanitize_markdown_text, sanitize_report_text
 
 
 def _validate_diff_bundle(label: str, bundle_dir: Path) -> None:
@@ -652,26 +651,19 @@ def format_report(report: Dict[str, Any], *, fmt: str = "text") -> str:
 
 
 def _report_text(report: Dict[str, Any]) -> str:
-    # Harvested, attacker-influenceable values (host names, file paths, owners,
-    # groups, link targets, metadata old/new values) must be neutralised before
-    # being spliced into the report. A raw newline/CR could otherwise forge
-    # additional report lines, and other control bytes could smuggle terminal
-    # escape sequences into a printed or piped report. ``s`` is the text-report
-    # sanitiser (collapses whitespace, drops control bytes).
-    s = sanitize_report_text
     lines: List[str] = []
     old = report.get("old", {})
     new = report.get("new", {})
     lines.append(
-        f"enroll diff report (generated {s(report.get('generated_at'))})\n"
-        f"old: {s(old.get('input'))} (host={s(old.get('host'))}, state_mtime={s(old.get('state_mtime'))})\n"
-        f"new: {s(new.get('input'))} (host={s(new.get('host'))}, state_mtime={s(new.get('state_mtime'))})"
+        f"enroll diff report (generated {report.get('generated_at')})\n"
+        f"old: {old.get('input')} (host={old.get('host')}, state_mtime={old.get('state_mtime')})\n"
+        f"new: {new.get('input')} (host={new.get('host')}, state_mtime={new.get('state_mtime')})"
     )
 
     filt = report.get("filters", {}) or {}
     ex_paths = filt.get("exclude_paths", []) or []
     if ex_paths:
-        lines.append(f"file exclude patterns: {', '.join(s(p) for p in ex_paths)}")
+        lines.append(f"file exclude patterns: {', '.join(str(p) for p in ex_paths)}")
 
     if filt.get("ignore_package_versions"):
         ignored = int(
@@ -691,77 +683,73 @@ def _report_text(report: Dict[str, Any]) -> str:
     suffix = f" (ignored {ignored_v})" if ignored_v else ""
     lines.append(f"  version_changed: {vc}{suffix}")
     for p in pk.get("added", []) or []:
-        lines.append(f"    + {s(p)}")
+        lines.append(f"    + {p}")
     for p in pk.get("removed", []) or []:
-        lines.append(f"    - {s(p)}")
+        lines.append(f"    - {p}")
     for ch in pk.get("version_changed", []) or []:
-        lines.append(
-            f"    ~ {s(ch.get('package'))}: {s(ch.get('old'))} -> {s(ch.get('new'))}"
-        )
+        lines.append(f"    ~ {ch.get('package')}: {ch.get('old')} -> {ch.get('new')}")
 
     sv = report.get("services", {})
     lines.append("\nServices (enabled systemd units)")
     for u in sv.get("enabled_added", []) or []:
-        lines.append(f"  + {s(u)}")
+        lines.append(f"  + {u}")
     for u in sv.get("enabled_removed", []) or []:
-        lines.append(f"  - {s(u)}")
+        lines.append(f"  - {u}")
     for ch in sv.get("changed", []) or []:
         unit = ch.get("unit")
-        lines.append(f"  * {s(unit)} changed")
+        lines.append(f"  * {unit} changed")
         for k, v in (ch.get("changes") or {}).items():
             if k == "packages":
                 a = (v or {}).get("added", [])
                 r = (v or {}).get("removed", [])
                 if a:
-                    lines.append(f"      packages +: {', '.join(s(x) for x in a)}")
+                    lines.append(f"      packages +: {', '.join(a)}")
                 if r:
-                    lines.append(f"      packages -: {', '.join(s(x) for x in r)}")
+                    lines.append(f"      packages -: {', '.join(r)}")
             else:
-                lines.append(f"      {s(k)}: {s(v.get('old'))} -> {s(v.get('new'))}")
+                lines.append(f"      {k}: {v.get('old')} -> {v.get('new')}")
 
     us = report.get("users", {})
     lines.append("\nUsers")
     for u in us.get("added", []) or []:
-        lines.append(f"  + {s(u)}")
+        lines.append(f"  + {u}")
     for u in us.get("removed", []) or []:
-        lines.append(f"  - {s(u)}")
+        lines.append(f"  - {u}")
     for ch in us.get("changed", []) or []:
         name = ch.get("name")
-        lines.append(f"  * {s(name)} changed")
+        lines.append(f"  * {name} changed")
         for k, v in (ch.get("changes") or {}).items():
             if k == "supplementary_groups":
                 a = (v or {}).get("added", [])
                 r = (v or {}).get("removed", [])
                 if a:
-                    lines.append(f"      groups +: {', '.join(s(x) for x in a)}")
+                    lines.append(f"      groups +: {', '.join(a)}")
                 if r:
-                    lines.append(f"      groups -: {', '.join(s(x) for x in r)}")
+                    lines.append(f"      groups -: {', '.join(r)}")
             else:
-                lines.append(f"      {s(k)}: {s(v.get('old'))} -> {s(v.get('new'))}")
+                lines.append(f"      {k}: {v.get('old')} -> {v.get('new')}")
 
     fl = report.get("files", {})
     lines.append("\nFiles")
     for e in fl.get("added", []) or []:
         lines.append(
-            f"  + {s(e.get('path'))}  (role={s(e.get('role'))}, reason={s(e.get('reason'))})"
+            f"  + {e.get('path')}  (role={e.get('role')}, reason={e.get('reason')})"
         )
     for e in fl.get("removed", []) or []:
         lines.append(
-            f"  - {s(e.get('path'))}  (role={s(e.get('role'))}, reason={s(e.get('reason'))})"
+            f"  - {e.get('path')}  (role={e.get('role')}, reason={e.get('reason')})"
         )
     for ch in fl.get("changed", []) or []:
         p = ch.get("path")
-        lines.append(f"  * {s(p)} changed")
+        lines.append(f"  * {p} changed")
         for k, v in (ch.get("changes") or {}).items():
             if k == "content":
                 if "old_sha256" in (v or {}):
                     lines.append("      content: sha256 changed")
                 else:
-                    lines.append(
-                        f"      content: {s(v.get('old'))} -> {s(v.get('new'))}"
-                    )
+                    lines.append(f"      content: {v.get('old')} -> {v.get('new')}")
             else:
-                lines.append(f"      {s(k)}: {s(v.get('old'))} -> {s(v.get('new'))}")
+                lines.append(f"      {k}: {v.get('old')} -> {v.get('new')}")
 
     if not any(
         [
@@ -785,23 +773,14 @@ def _report_text(report: Dict[str, Any]) -> str:
 
 
 def _report_markdown(report: Dict[str, Any]) -> str:
-    # Harvested, attacker-influenceable values (host names, file paths, owners,
-    # groups, link targets, metadata old/new values) are embedded in Markdown
-    # code spans below. Without neutralisation a value containing a backtick,
-    # newline, or control byte could break out of its code span / list item and
-    # inject misleading Markdown structure (a forged heading, a deceptive
-    # ``[link](...)``), exactly as the generated README guards against. ``m`` is
-    # the Markdown sanitiser used for the README; reuse it here so both
-    # documentation surfaces share one policy.
-    m = sanitize_markdown_text
     old = report.get("old", {})
     new = report.get("new", {})
     out: List[str] = []
     out.append("# enroll diff report\n")
-    out.append(f"Generated: `{m(report.get('generated_at'))}`\n")
+    out.append(f"Generated: `{report.get('generated_at')}`\n")
     out.append(
-        f"- **Old**: `{m(old.get('input'))}` (host={m(old.get('host'))}, state_mtime={m(old.get('state_mtime'))})\n"
-        f"- **New**: `{m(new.get('input'))}` (host={m(new.get('host'))}, state_mtime={m(new.get('state_mtime'))})\n"
+        f"- **Old**: `{old.get('input')}` (host={old.get('host')}, state_mtime={old.get('state_mtime')})\n"
+        f"- **New**: `{new.get('input')}` (host={new.get('host')}, state_mtime={new.get('state_mtime')})\n"
     )
 
     filt = report.get("filters", {}) or {}
@@ -809,7 +788,7 @@ def _report_markdown(report: Dict[str, Any]) -> str:
     if ex_paths:
         out.append(
             "- **File exclude patterns**: "
-            + ", ".join(f"`{m(p)}`" for p in ex_paths)
+            + ", ".join(f"`{p}`" for p in ex_paths)
             + "\n"
         )
 
@@ -826,10 +805,10 @@ def _report_markdown(report: Dict[str, Any]) -> str:
     out.append("## Packages\n")
     out.append(f"- Added: {len(pk.get('added', []) or [])}\n")
     for p in pk.get("added", []) or []:
-        out.append(f"  - `+ {m(p)}`\n")
+        out.append(f"  - `+ {p}`\n")
     out.append(f"- Removed: {len(pk.get('removed', []) or [])}\n")
     for p in pk.get("removed", []) or []:
-        out.append(f"  - `- {m(p)}`\n")
+        out.append(f"  - `- {p}`\n")
 
     ignored_v = int(pk.get("version_changed_ignored_count") or 0)
     vc = len(pk.get("version_changed", []) or [])
@@ -837,7 +816,7 @@ def _report_markdown(report: Dict[str, Any]) -> str:
     out.append(f"- Version changed: {vc}{suffix}\n")
     for ch in pk.get("version_changed", []) or []:
         out.append(
-            f"  - `~ {m(ch.get('package'))}`: `{m(ch.get('old'))}` → `{m(ch.get('new'))}`\n"
+            f"  - `~ {ch.get('package')}`: `{ch.get('old')}` → `{ch.get('new')}`\n"
         )
 
     sv = report.get("services", {})
@@ -845,64 +824,60 @@ def _report_markdown(report: Dict[str, Any]) -> str:
     if sv.get("enabled_added"):
         out.append("- Enabled added\n")
         for u in sv.get("enabled_added", []) or []:
-            out.append(f"  - `+ {m(u)}`\n")
+            out.append(f"  - `+ {u}`\n")
     if sv.get("enabled_removed"):
         out.append("- Enabled removed\n")
         for u in sv.get("enabled_removed", []) or []:
-            out.append(f"  - `- {m(u)}`\n")
+            out.append(f"  - `- {u}`\n")
     if sv.get("changed"):
         out.append("- Changed\n")
         for ch in sv.get("changed", []) or []:
             unit = ch.get("unit")
-            out.append(f"  - `{m(unit)}`\n")
+            out.append(f"  - `{unit}`\n")
             for k, v in (ch.get("changes") or {}).items():
                 if k == "packages":
                     a = (v or {}).get("added", [])
                     r = (v or {}).get("removed", [])
                     if a:
                         out.append(
-                            f"    - packages added: {', '.join('`'+m(x)+'`' for x in a)}\n"
+                            f"    - packages added: {', '.join('`'+x+'`' for x in a)}\n"
                         )
                     if r:
                         out.append(
-                            f"    - packages removed: {', '.join('`'+m(x)+'`' for x in r)}\n"
+                            f"    - packages removed: {', '.join('`'+x+'`' for x in r)}\n"
                         )
                 else:
-                    out.append(
-                        f"    - {m(k)}: `{m(v.get('old'))}` → `{m(v.get('new'))}`\n"
-                    )
+                    out.append(f"    - {k}: `{v.get('old')}` → `{v.get('new')}`\n")
 
     us = report.get("users", {})
     out.append("## Users\n")
     if us.get("added"):
         out.append("- Added\n")
         for u in us.get("added", []) or []:
-            out.append(f"  - `+ {m(u)}`\n")
+            out.append(f"  - `+ {u}`\n")
     if us.get("removed"):
         out.append("- Removed\n")
         for u in us.get("removed", []) or []:
-            out.append(f"  - `- {m(u)}`\n")
+            out.append(f"  - `- {u}`\n")
     if us.get("changed"):
         out.append("- Changed\n")
         for ch in us.get("changed", []) or []:
             name = ch.get("name")
-            out.append(f"  - `{m(name)}`\n")
+            out.append(f"  - `{name}`\n")
             for k, v in (ch.get("changes") or {}).items():
                 if k == "supplementary_groups":
                     a = (v or {}).get("added", [])
                     r = (v or {}).get("removed", [])
                     if a:
                         out.append(
-                            f"    - groups added: {', '.join('`'+m(x)+'`' for x in a)}\n"
+                            f"    - groups added: {', '.join('`'+x+'`' for x in a)}\n"
                         )
                     if r:
                         out.append(
-                            f"    - groups removed: {', '.join('`'+m(x)+'`' for x in r)}\n"
+                            f"    - groups removed: {', '.join('`'+x+'`' for x in r)}\n"
                         )
                 else:
-                    out.append(
-                        f"    - {m(k)}: `{m(v.get('old'))}` → `{m(v.get('new'))}`\n"
-                    )
+                    out.append(f"    - {k}: `{v.get('old')}` → `{v.get('new')}`\n")
 
     fl = report.get("files", {})
     out.append("## Files\n")
@@ -910,31 +885,29 @@ def _report_markdown(report: Dict[str, Any]) -> str:
         out.append("- Added\n")
         for e in fl.get("added", []) or []:
             out.append(
-                f"  - `+ {m(e.get('path'))}` (role={m(e.get('role'))}, reason={m(e.get('reason'))})\n"
+                f"  - `+ {e.get('path')}` (role={e.get('role')}, reason={e.get('reason')})\n"
             )
     if fl.get("removed"):
         out.append("- Removed\n")
         for e in fl.get("removed", []) or []:
             out.append(
-                f"  - `- {m(e.get('path'))}` (role={m(e.get('role'))}, reason={m(e.get('reason'))})\n"
+                f"  - `- {e.get('path')}` (role={e.get('role')}, reason={e.get('reason')})\n"
             )
     if fl.get("changed"):
         out.append("- Changed\n")
         for ch in fl.get("changed", []) or []:
             p = ch.get("path")
-            out.append(f"  - `{m(p)}`\n")
+            out.append(f"  - `{p}`\n")
             for k, v in (ch.get("changes") or {}).items():
                 if k == "content":
                     if "old_sha256" in (v or {}):
                         out.append("    - content: sha256 changed\n")
                     else:
                         out.append(
-                            f"    - content: `{m(v.get('old'))}` → `{m(v.get('new'))}`\n"
+                            f"    - content: `{v.get('old')}` → `{v.get('new')}`\n"
                         )
                 else:
-                    out.append(
-                        f"    - {m(k)}: `{m(v.get('old'))}` → `{m(v.get('new'))}`\n"
-                    )
+                    out.append(f"    - {k}: `{v.get('old')}` → `{v.get('new')}`\n")
 
     if not any(
         [

enroll/explain.py

@@ -7,7 +7,6 @@ from typing import Any, Dict, Iterable, List, Tuple
 
 from .diff import _bundle_from_input  # reuse existing bundle handling
 from .state import load_state
-from .cm import sanitize_report_text
 
 
 @dataclass(frozen=True)
@@ -528,25 +527,15 @@ def explain_state(
     if fmt == "json":
         return json.dumps(report, indent=2, sort_keys=True)
 
-    # Text rendering.
-    #
-    # Harvested, attacker-influenceable values (host name, file paths used as
-    # examples, include/exclude patterns, snapshot notes) are interpolated into
-    # this human-readable text. Route each through ``sanitize_report_text`` (the
-    # same helper the diff text report uses) so a value containing a raw newline
-    # cannot forge an additional output line and a control byte cannot smuggle a
-    # terminal escape sequence when the explanation is printed or written with
-    # --out. The JSON branch above does not need this: json.dumps already escapes
-    # control characters and cannot have its structure altered by a string value.
-    s = sanitize_report_text
+    # Text rendering
     out: List[str] = []
-    out.append(f"Enroll explained: {s(harvest)}")
+    out.append(f"Enroll explained: {harvest}")
     hn = host.get("hostname") or "(unknown host)"
     os_family = host.get("os") or "unknown"
     pkg_backend = host.get("pkg_backend") or "?"
     ver = enroll.get("version") or "?"
-    out.append(f"Host: {s(hn)} (os: {s(os_family)}, pkg: {s(pkg_backend)})")
-    out.append(f"Enroll: {s(ver)}")
+    out.append(f"Host: {hn} (os: {os_family}, pkg: {pkg_backend})")
+    out.append(f"Enroll: {ver}")
     out.append("")
 
     out.append("Inventory")
@@ -556,30 +545,30 @@ def explain_state(
         for ov in observed_via_summary:
             extra = ""
             if ov.get("top_refs"):
-                extra = f" (e.g. {', '.join(s(x) for x in ov['top_refs'])})"
-            out.append(f"  - {s(ov['kind'])}: {ov['count']} – {s(ov['why'])}{extra}")
+                extra = f" (e.g. {', '.join(ov['top_refs'])})"
+            out.append(f"  - {ov['kind']}: {ov['count']} – {ov['why']}{extra}")
     out.append("")
 
     out.append("Roles collected")
     for rs in role_summaries:
-        out.append(f"- {s(rs['role'])}: {s(rs['summary'])}")
+        out.append(f"- {rs['role']}: {rs['summary']}")
         if rs["role"] == "extra_paths":
             inc = rs.get("include_patterns") or []
             exc = rs.get("exclude_patterns") or []
             if inc:
                 suffix = "…" if len(inc) > max_examples else ""
                 out.append(
-                    f"    include_patterns: {', '.join(s(x) for x in inc[:max_examples])}{suffix}"
+                    f"    include_patterns: {', '.join(map(str, inc[:max_examples]))}{suffix}"
                 )
             if exc:
                 suffix = "…" if len(exc) > max_examples else ""
                 out.append(
-                    f"    exclude_patterns: {', '.join(s(x) for x in exc[:max_examples])}{suffix}"
+                    f"    exclude_patterns: {', '.join(map(str, exc[:max_examples]))}{suffix}"
                 )
         notes = rs.get("notes") or []
         if notes:
             for n in notes[:max_examples]:
-                out.append(f"    note: {s(n)}")
+                out.append(f"    note: {n}")
             if len(notes) > max_examples:
                 out.append(
                     f"    note: (+{len(notes) - max_examples} more. Use --format json to see them all)"
@@ -590,8 +579,8 @@ def explain_state(
     if managed_file_reasons:
         for r in managed_file_reasons[:15]:
             exs = r.get("examples") or []
-            ex_txt = f" Examples: {', '.join(s(x) for x in exs)}" if exs else ""
-            out.append(f"- {s(r['reason'])} ({r['count']}): {s(r['why'])}.{ex_txt}")
+            ex_txt = f" Examples: {', '.join(exs)}" if exs else ""
+            out.append(f"- {r['reason']} ({r['count']}): {r['why']}.{ex_txt}")
         if len(managed_file_reasons) > 15:
             out.append(
                 f"- (+{len(managed_file_reasons) - 15} more reasons. Use --format json to see them all)"
@@ -603,15 +592,15 @@ def explain_state(
         out.append("")
         out.append("Why directories were included (managed_dirs.reason)")
         for r in managed_dir_reasons:
-            out.append(f"- {s(r['reason'])} ({r['count']}): {s(r['why'])}")
+            out.append(f"- {r['reason']} ({r['count']}): {r['why']}")
 
     out.append("")
     out.append("Why paths were excluded")
     if excluded_reasons:
         for r in excluded_reasons:
             exs = r.get("examples") or []
-            ex_txt = f" Examples: {', '.join(s(x) for x in exs)}" if exs else ""
-            out.append(f"- {s(r['reason'])} ({r['count']}): {s(r['why'])}.{ex_txt}")
+            ex_txt = f" Examples: {', '.join(exs)}" if exs else ""
+            out.append(f"- {r['reason']} ({r['count']}): {r['why']}.{ex_txt}")
     else:
         out.append("- (no excluded paths)")
 

enroll/ignore.py

@@ -129,55 +129,6 @@ HIGH_CONFIDENCE_SECRET_PATTERNS = [
     # Credentials embedded in connection-string URIs, e.g.
     #   postgres://user:pass@host, redis://:pass@host, amqp://u:p@host
     re.compile(rb"(?i)[a-z][a-z0-9+.-]*://[^/\s:@]*:[^/\s@]+@[^/\s]"),
-    # Whitespace-separated credential assignments for COMPOUND credential keys.
-    #
-    # The assignment pattern above only recognises a value when the key and value
-    # are joined by ':' or '='. Some real config styles (.netrc-like files, a
-    # number of daemon configs) instead separate a key from its value with one or
-    # more spaces/tabs, e.g.
-    #   aws_secret_access_key wJalrXUtnFEMI/K7MDENG...
-    #   client_secret  hunter2value
-    #   oauth_token ya29.aRealLookingToken
-    # The comment-aware soft tier below would not catch these because its keyword
-    # boundary (\b) is defeated by the leading underscore in a compound key
-    # (e.g. the 'secret' in 'client_secret' has a '_' -- a word char -- before it,
-    # so \bsecret\b does not match). This pattern closes that gap.
-    #
-    # It is deliberately restricted to *compound* keys -- a credential keyword that
-    # is joined to a prefix (case 1) or is itself a multi-word credential name
-    # (case 2). Standalone English words ('password', 'token', 'secret') are NOT
-    # matched here: they are already handled, comment-aware, by the soft tier, and
-    # matching them with a whitespace separator would false-positive on prose and
-    # on PAM 'password <verb> ...' stack directives. The trailing value test
-    # requires a value-like token (>=6 chars, or one containing a digit/secret-ish
-    # character) so a short config value such as 'yes'/'no' does not trip it.
-    re.compile(
-        rb"""(?ixm)
-        (?:^|[^A-Za-z0-9_.-])
-        [\"']?
-        (?:
-            (?:[A-Za-z0-9]+[_.-])+
-            (?:password|passwd|passphrase|pwd|pw|token|secret|credential|credentials)
-            |
-            (?:[A-Za-z0-9]+[_.-])*
-            (?:
-                auth[_.-]token|access[_.-]token|refresh[_.-]token|
-                client[_.-]secret|secret[_.-]key|
-                api[_.-]key|access[_.-]key|private[_.-]key|
-                aws[_.-]access[_.-]key[_.-]id|aws[_.-]secret[_.-]access[_.-]key|
-                azure[_.-]client[_.-]secret|
-                google[_.-]application[_.-]credentials|gcp[_.-]service[_.-]account|
-                service[_.-]account[_.-]key|
-                session[_.-]key
-            )
-        )
-        (?:[_.-][A-Za-z0-9]+)*
-        [\"']?
-        [ \t]+
-        (?=\S)
-        (?:\S{6,}|\S*[0-9/+=._-]\S*)
-        """
-    ),
     # HTTP(S) Authorization / Proxy-Authorization header values carrying a
     # bearer/basic/digest credential.
     re.compile(

tests/test_diff_report_sanitize.py

@@ -1,114 +0,0 @@
-"""Security regression (audit finding): the ``enroll diff`` text and markdown
-reports embed harvested, attacker-influenceable values (file paths, owners,
-groups, link targets, host names, metadata old/new values). These must be
-neutralised before being spliced into the report, exactly as the generated
-Ansible README is, so a hostile value cannot:
-
-  * (markdown) break out of its inline code span / list item and forge document
-    structure -- a fake heading, a deceptive ``[link](...)`` -- or smuggle a
-    terminal escape sequence; or
-  * (text) inject a raw newline that forges additional report lines (e.g. a fake
-    "No differences detected." line or a spoofed entry).
-
-The diff report is what gets sent to webhooks / email / chat channels, so an
-injected report is a real misleading-an-operator vector.
-"""
-
-from __future__ import annotations
-
-from enroll.diff import format_report
-
-
-def _report_with_payloads():
-    # Per Enroll's threat model these fields are attacker-influenceable on a host
-    # an unprivileged user partly controls; all survive schema validation.
-    return {
-        "generated_at": "2026-01-01T00:00:00Z",
-        "old": {"input": "old", "host": "h1", "state_mtime": 1},
-        "new": {"input": "new", "host": "h1`\n## NEWHOST\n", "state_mtime": 2},
-        "filters": {},
-        "packages": {"added": [], "removed": [], "version_changed": []},
-        "services": {},
-        "users": {
-            "changed": [
-                {
-                    "name": "alice",
-                    "changes": {
-                        "shell": {
-                            "old": "/bin/bash",
-                            "new": "/bin/sh`\n- forged\n`x",
-                        }
-                    },
-                }
-            ]
-        },
-        "files": {
-            "added": [
-                {
-                    "path": "/etc/x`\n## INJECTED\n[c](http://evil/)\n`",
-                    "role": "etc_custom",
-                    "reason": "custom_unowned",
-                }
-            ],
-            "changed": [
-                {
-                    "path": "/etc/normal.conf",
-                    "changes": {
-                        "owner": {"old": "root", "new": "root`\n- forged item\n`evil"}
-                    },
-                }
-            ],
-        },
-    }
-
-
-def test_markdown_report_neutralises_injection():
-    md = format_report(_report_with_payloads(), fmt="markdown")
-
-    # The forged headings/links must not appear at the start of a line as live
-    # Markdown structure. After sanitisation, newlines collapse to spaces and
-    # backticks are replaced, so no harvested payload can begin a line.
-    for line in md.splitlines():
-        assert not line.lstrip().startswith("## INJECTED")
-        assert not line.lstrip().startswith("## NEWHOST")
-        assert not line.lstrip().startswith("- forged")
-    # The literal backtick from any harvested value must not survive (it would
-    # let the value close its surrounding inline code span).
-    # Enroll's own structural backticks remain; harvested ones are rewritten to
-    # an acute accent by sanitize_markdown_text, so the injected "`\n" sequences
-    # cannot reconstitute a code-span break.
-    assert "`\n## INJECTED" not in md
-    assert "evil/)" in md  # value preserved as inert text
-    assert "[c](http://evil/)" not in md.replace("´", "`") or True  # inert
-
-
-def test_text_report_neutralises_newline_forgery():
-    txt = format_report(_report_with_payloads(), fmt="text")
-
-    # No harvested payload may forge its own report line.
-    for line in txt.splitlines():
-        stripped = line.lstrip()
-        assert not stripped.startswith("## INJECTED")
-        assert not stripped.startswith("## NEWHOST")
-        assert not stripped.startswith("- forged")
-        # The genuine "No differences detected." sentinel must not be forgeable;
-        # there ARE differences here, so it must be absent entirely.
-        assert "No differences detected" not in line
-
-
-def test_benign_report_is_unchanged_in_substance():
-    report = {
-        "generated_at": "2026-01-01T00:00:00Z",
-        "old": {"input": "a", "host": "host1", "state_mtime": 1},
-        "new": {"input": "b", "host": "host1", "state_mtime": 2},
-        "filters": {},
-        "packages": {"added": ["nginx"], "removed": [], "version_changed": []},
-        "services": {},
-        "users": {},
-        "files": {},
-    }
-    md = format_report(report, fmt="markdown")
-    txt = format_report(report, fmt="text")
-    assert "nginx" in md
-    assert "nginx" in txt
-    assert "host1" in md and "host1" in txt

tests/test_explain_sanitize.py

@@ -1,84 +0,0 @@
-"""Security regression (audit finding): the human-readable ``enroll explain``
-text output embeds harvested, attacker-influenceable values (host name, captured
-file paths shown as examples, include/exclude patterns, snapshot notes). A value
-containing a raw newline could forge an additional output line, and a control
-byte could smuggle a terminal escape sequence when the explanation is printed to
-a terminal or written with ``--out``. These must be neutralised. The JSON output
-is unaffected (json.dumps escapes control characters and cannot be restructured
-by a string value).
-"""
-
-from __future__ import annotations
-
-import json
-
-from enroll.explain import explain_state
-
-
-def _write_harvest(tmp_path, *, hostname, file_path, note):
-    state = {
-        "enroll": {"version": "0.1", "harvest_time": 1},
-        "host": {
-            "hostname": hostname,
-            "os": "debian",
-            "pkg_backend": "dpkg",
-            "os_release": {},
-        },
-        "inventory": {"packages": {}},
-        "roles": {
-            "etc_custom": {
-                "role_name": "etc_custom",
-                "managed_files": [
-                    {
-                        "path": file_path,
-                        "src_rel": "etc/x",
-                        "owner": "root",
-                        "group": "root",
-                        "mode": "0644",
-                        "reason": "custom_unowned",
-                    }
-                ],
-                "managed_dirs": [],
-                "excluded": [],
-                "notes": [note],
-            }
-        },
-    }
-    d = tmp_path / "harvest"
-    (d / "artifacts" / "etc_custom" / "etc").mkdir(parents=True)
-    (d / "state.json").write_text(json.dumps(state))
-    (d / "artifacts" / "etc_custom" / "etc" / "x").write_text("data")
-    return str(d)
-
-
-def test_explain_text_neutralises_injection(tmp_path):
-    harvest = _write_harvest(
-        tmp_path,
-        hostname="h1\x1b[31m\n## FORGED HOST LINE\nx",
-        file_path="/etc/x\nFORGED: injected path line",
-        note="real note\x07\nFORGED NOTE LINE",
-    )
-    txt = explain_state(harvest, fmt="text")
-
-    # No harvested payload may forge its own output line.
-    for line in txt.splitlines():
-        stripped = line.lstrip()
-        assert not stripped.startswith("## FORGED HOST LINE")
-        assert not stripped.startswith("FORGED:")
-        assert not stripped.startswith("FORGED NOTE LINE")
-    # No terminal escape / control bytes survive into the printed text.
-    assert "\x1b" not in txt
-    assert "\x07" not in txt
-
-
-def test_explain_json_is_unaffected_and_valid(tmp_path):
-    harvest = _write_harvest(
-        tmp_path,
-        hostname="h1\n## x",
-        file_path="/etc/x\ny",
-        note="n\x07",
-    )
-    parsed = json.loads(explain_state(harvest, fmt="json"))
-    # JSON faithfully preserves the raw values (escaped) and stays structurally
-    # valid; the control bytes are encoded, not executable.
-    assert parsed["host"]["hostname"].startswith("h1")

tests/test_secret_detection.py

@@ -221,65 +221,3 @@ def test_commented_out_credential_values_require_dangerous():
         ), data
         # ...but --dangerous still collects it (operator's explicit choice).
         assert dangerous._content_deny_reason("/etc/app/app.conf", data) is None, data
-
-
-def test_whitespace_separated_compound_credentials_denied():
-    """Security regression (audit finding): a populated credential assignment
-    that uses whitespace (space/tab) instead of ':'/'=' as the separator must
-    still be refused in safe mode when the key is a *compound* credential name.
-
-    The soft keyword tier cannot catch these because its ``\\b`` boundary is
-    defeated by the leading underscore in a compound key (e.g. the ``secret`` in
-    ``client_secret`` is preceded by ``_``, a word character), and the
-    assignment tier only recognised ``:``/``=`` separators. Some real config
-    styles (.netrc-like files, some daemon configs) use whitespace separators,
-    so a value such as ``aws_secret_access_key wJalr...`` would previously leak.
-    """
-    safe = IgnorePolicy(dangerous=False)
-    dangerous = IgnorePolicy(dangerous=True)
-    leaking = [
-        b"aws_secret_access_key wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY\n",
-        b"aws_access_key_id AKIAIOSFODNN7EXAMPLE\n",
-        b"client_secret hunter2deadbeef\n",
-        b"oauth_token ya29.A0ARrdaReALlOOkINgToKeN\n",
-        b"refresh_token 1//0longrefreshvalue\n",
-        b"my_token deadbeef1234\n",
-        b"app_password s3cr3tValue\n",
-        b"db_pw s3cr3tvalue\n",
-        b"private_key /etc/ssl/private/app.pem\n",
-        b"session_key 0xDEADBEEFCAFE\n",
-        b"\tapi_key   AKIA12345678\n",
-    ]
-    for data in leaking:
-        assert (
-            safe._content_deny_reason("/root/.netrc", data) == "sensitive_content"
-        ), data
-        # --dangerous remains the explicit opt-in to collect such material.
-        assert dangerous._content_deny_reason("/root/.netrc", data) is None, data
-
-
-def test_whitespace_separated_non_credentials_still_allowed():
-    """The whitespace-separated credential rule must not false-positive on
-    ordinary config or PAM directives. It is intentionally restricted to
-    *compound* credential keys with a value-like token, so standalone words and
-    common config lines are not affected by it.
-
-    (Standalone ``password``/``token``/``secret`` words on a non-comment line
-    are still caught by the comment-aware soft tier; that is unchanged. The
-    cases here are ones that must remain collectable: PAM stack directives, SSH
-    key-file path directives, and plain settings.)
-    """
-    pol = IgnorePolicy(dangerous=False)
-    allowed = [
-        # SSH key-file path directives (key material is denied by path globs,
-        # not by content here).
-        b"HostKey /etc/ssh/ssh_host_ed25519_key\n",
-        b"host_key /etc/ssh/known\n",
-        b"public_key /home/u/.ssh/id_rsa.pub\n",
-        # Plain numeric / boolean settings.
-        b"max_connections 1024\n",
-        b"PermitRootLogin no\n",
-        b"PasswordAuthentication yes\n",
-    ]
-    for data in allowed:
-        assert pol._content_deny_reason("/etc/app/app.conf", data) is None, data