diff options
Diffstat (limited to 'daemon.c')
| -rw-r--r-- | daemon.c | 49 |
1 files changed, 1 insertions, 48 deletions
@@ -101,53 +101,6 @@ static void NORETURN daemon_die(const char *err, va_list params) exit(1); } -static int avoid_alias(char *p) -{ - int sl, ndot; - - /* - * This resurrects the belts and suspenders paranoia check by HPA - * done in <435560F7.4080006@zytor.com> thread, now enter_repo() - * does not do getcwd() based path canonicalizations. - * - * sl becomes true immediately after seeing '/' and continues to - * be true as long as dots continue after that without intervening - * non-dot character. - */ - if (!p || (*p != '/' && *p != '~')) - return -1; - sl = 1; ndot = 0; - p++; - - while (1) { - char ch = *p++; - if (sl) { - if (ch == '.') - ndot++; - else if (ch == '/') { - if (ndot < 3) - /* reject //, /./ and /../ */ - return -1; - ndot = 0; - } - else if (ch == 0) { - if (0 < ndot && ndot < 3) - /* reject /.$ and /..$ */ - return -1; - return 0; - } - else - sl = ndot = 0; - } - else if (ch == 0) - return 0; - else if (ch == '/') { - sl = 1; - ndot = 0; - } - } -} - static char *path_ok(char *directory) { static char rpath[PATH_MAX]; @@ -157,7 +110,7 @@ static char *path_ok(char *directory) dir = directory; - if (avoid_alias(dir)) { + if (daemon_avoid_alias(dir)) { logerror("'%s': aliased", dir); return NULL; } |