chore: remove dead code (unused field, var, method, import) - #102
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Bug #1 — TOCTOU symlink-swap allowlist bypass: handler_fs.go read/write operations used the raw p.Path instead of the canonical (symlink-resolved) path returned by checkAllowed. An attacker with filesystem write access could swap a symlink component between the allowlist check and the file operation, reading or writing files outside the permitted roots. Fix: pass canonical to Stat, ReadFile, WriteFile. Bug #2 — exec.cwd silently ignored: handler_exec.go passed the original cwd (or the shell's current cwd) to Shell.Run(callCtx, cwd, p.Command), but SessionAdapter.Run discarded the target parameter entirely. Commands ran in whatever directory the persistent bash session happened to be in. Fix: pass canonical (validated/resolved path) from handler to Shell.Run. SessionAdapter.Run now prepends when target is non-empty, so explicit cwd is honoured. Signed-off-by: Blasius Patrick <blasius.patrick@gmail.com>
Signed-off-by: Blasius Patrick <blasius.patrick@gmail.com>
Signed-off-by: Blasius Patrick <blasius.patrick@gmail.com>
- Remove unused stderr field from runResult (exec/shell.go) - Remove unused levelNames map (logger/logger.go) - Remove unused (*fakeServer).setNextResp method (cmd/main_test.go) - Remove dead fmt import + dummy var _ = fmt.Sprintf (wire/reconnect_test.go) Signed-off-by: Blasius Patrick <blasius.patrick@gmail.com>
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Remove all dead code found by staticcheck U1000 + manual review.
Removed
stderrfield fromrunResultstruct (exec/shell.go) — never written or readlevelNamesmap (logger/logger.go) — never read, ParseLevel uses switch(*fakeServer).setNextRespmethod (cmd/main_test.go) — never calledfmtimport +var _ = fmt.Sprintf(wire/reconnect_test.go)-22 lines, go vet clean, staticcheck clean, all tests pass.