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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-04-16 22:19:07 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-04-18 20:28:34 +0200 |
| commit | 24be89ebd8e9fbf97cb60c304b615ab26869c204 (patch) | |
| tree | bd11a80e427d171dc59233f5a0dc7146128baa5e /src/basic/chase.c | |
| parent | chase: make chaseat() provides absolute path also when dir_fd points to the r... (diff) | |
| download | systemd-24be89ebd8e9fbf97cb60c304b615ab26869c204.tar.xz systemd-24be89ebd8e9fbf97cb60c304b615ab26869c204.zip | |
chase: make the result absolute when a symlink is absolute
As the path may be outside of the specified dir_fd.
Diffstat (limited to 'src/basic/chase.c')
| -rw-r--r-- | src/basic/chase.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/basic/chase.c b/src/basic/chase.c index a6a37978e8..2b8befc7f7 100644 --- a/src/basic/chase.c +++ b/src/basic/chase.c @@ -374,6 +374,11 @@ int chaseat(int dir_fd, const char *path, ChaseFlags flags, char **ret_path, int unsafe_transition(&st_child, &st)) return log_unsafe_transition(child, fd, path, flags); + /* When CHASE_AT_RESOLVE_IN_ROOT is not set, now the chased path may be + * outside of the specified dir_fd. Let's make the result absolute. */ + if (!FLAGS_SET(flags, CHASE_AT_RESOLVE_IN_ROOT)) + need_absolute = true; + r = free_and_strdup(&done, need_absolute ? "/" : NULL); if (r < 0) return r; |