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chase: fix CHASE_STEP with ".."

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This commit is contained in:
Yu Watanabe
2023-07-29 21:58:29 +09:00
parent 00a050b395
commit 5f0bae7bff
1 changed files with 8 additions and 2 deletions
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src/basic/chase.c
+8 -2
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@@ -264,8 +264,11 @@ int chaseat(int dir_fd, const char *path, ChaseFlags flags, char **ret_path, int
/* If we already are at the top, then going up will not change anything. This is
* in-line with how the kernel handles this. */
if (empty_or_root(done) && FLAGS_SET(flags, CHASE_AT_RESOLVE_IN_ROOT))
if (empty_or_root(done) && FLAGS_SET(flags, CHASE_AT_RESOLVE_IN_ROOT)) {
if (FLAGS_SET(flags, CHASE_STEP))
goto chased_one;
continue;
}
fd_parent = openat(fd, "..", O_CLOEXEC|O_NOFOLLOW|O_PATH|O_DIRECTORY);
if (fd_parent < 0)
@@ -281,8 +284,11 @@ int chaseat(int dir_fd, const char *path, ChaseFlags flags, char **ret_path, int
r = dir_fd_is_root(fd);
if (r < 0)
return r;
if (r > 0)
if (r > 0) {
if (FLAGS_SET(flags, CHASE_STEP))
goto chased_one;
continue;
}
}
r = path_extract_directory(done, &parent);