return (strrchr(p, '/') ? strrchr(p, '/') + 1 : p);
}
+/*********************************************************************************
+ * chdir(), chmod(), chown(), stat() wrappers taking an additional option.
+ * Currently the only used options are O_NOFOLLOW, used to switch between symlink
+ * behaviour, and O_NETATALK_ACL for ochmod() indicating chmod_acl() shall be
+ * called which does special ACL handling depending on the filesytem
+ *********************************************************************************/
+
+int ostat(const char *path, struct stat *buf, int options)
+{
+ if (options & O_NOFOLLOW)
+ return lstat(path, buf);
+ else
+ return stat(path, buf);
+}
+
+int ochown(const char *path, uid_t owner, gid_t group, int options)
+{
+ if (options & O_NOFOLLOW)
+ return lchown(path, owner, group);
+ else
+ return chown(path, owner, group);
+}
+
+/*!
+ * chmod() wrapper for symlink and ACL handling
+ *
+ * @param path (r) path
+ * @param mode (r) requested mode
+ * @param sb (r) stat() of path or NULL
+ * @param option (r) O_NOFOLLOW | O_NETATALK_ACL
+ *
+ * Options description:
+ * O_NOFOLLOW: don't chmod() symlinks, do nothing, return 0
+ * O_NETATALK_ACL: call chmod_acl() instead of chmod()
+ */
+int ochmod(const char *path, mode_t mode, const struct stat *st, int options)
+{
+ struct stat sb;
+
+ if (!st) {
+ if (lstat(path, &sb) != 0)
+ return -1;
+ st = &sb;
+ }
+
+ if (options & O_NOFOLLOW)
+ if (S_ISLNK(st->st_mode))
+ return 0;
+
+ if (options & O_NETATALK_ACL) {
+ return chmod_acl(path, mode);
+ } else {
+ return chmod(path, mode);
+ }
+}
+
+/*
+ * @brief ostat/fsstatat multiplexer
+ *
+ * ostatat mulitplexes ostat and fstatat. If we dont HAVE_ATFUNCS, dirfd is ignored.
+ *
+ * @param dirfd (r) Only used if HAVE_ATFUNCS, ignored else, -1 gives AT_FDCWD
+ * @param path (r) pathname
+ * @param st (rw) pointer to struct stat
+ */
+int ostatat(int dirfd, const char *path, struct stat *st, int options)
+{
+#ifdef HAVE_ATFUNCS
+ if (dirfd == -1)
+ dirfd = AT_FDCWD;
+ return fstatat(dirfd, path, st, (options & O_NOFOLLOW) ? AT_SYMLINK_NOFOLLOW : 0);
+#else
+ return ostat(path, st, options);
+#endif
+
+ /* DEADC0DE */
+ return -1;
+}
+
/*!
* @brief symlink safe chdir replacement
*
- * Only chdirs to dir if it doesn't contain symlinks.
+ * Only chdirs to dir if it doesn't contain symlinks or if symlink checking
+ * is disabled
*
* @returns 1 if a path element is a symlink, 0 otherwise, -1 on syserror
*/
-int lchdir(const char *dir)
+int ochdir(const char *dir, int options)
{
char buf[MAXPATHLEN+1];
char cwd[MAXPATHLEN+1];
char *test;
int i;
+ if (!(options & O_NOFOLLOW))
+ return chdir(dir);
+
/*
dir is a canonical path (without "../" "./" "//" )
but may end with a /