diff options
Diffstat (limited to 'daemon.c')
| -rw-r--r-- | daemon.c | 21 |
1 files changed, 20 insertions, 1 deletions
@@ -15,7 +15,8 @@ static int verbose; static const char daemon_usage[] = "git-daemon [--verbose] [--syslog] [--inetd | --port=n] [--export-all]\n" -" [--timeout=n] [--init-timeout=n] [--strict-paths] [directory...]"; +" [--timeout=n] [--init-timeout=n] [--strict-paths]\n" +" [--base-path=path] [directory...]"; /* List of acceptable pathname prefixes */ static char **ok_paths = NULL; @@ -24,6 +25,9 @@ static int strict_paths = 0; /* If this is set, git-daemon-export-ok is not required */ static int export_all_trees = 0; +/* Take all paths relative to this one if non-NULL */ +static char *base_path = NULL; + /* Timeout, and initial timeout */ static unsigned int timeout = 0; static unsigned int init_timeout = 0; @@ -138,6 +142,17 @@ static char *path_ok(char *dir) return NULL; } + if (base_path) { + static char rpath[PATH_MAX]; + if (*dir != '/') { + /* Forbid possible base-path evasion using ~paths. */ + logerror("'%s': Non-absolute path denied (base-path active)"); + return NULL; + } + snprintf(rpath, PATH_MAX, "%s%s", base_path, dir); + dir = rpath; + } + path = enter_repo(dir, strict_paths); if (!path) { @@ -639,6 +654,10 @@ int main(int argc, char **argv) strict_paths = 1; continue; } + if (!strncmp(arg, "--base-path=", 12)) { + base_path = arg+12; + continue; + } if (!strcmp(arg, "--")) { ok_paths = &argv[i+1]; break; |