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Prefer O_PATH to O_SEARCH on Linux kernels

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* src/tar.c (decode_options): Prefer O_PATH to an O_SEARCH that is
actually O_RDONLY.
This commit is contained in:
Paul Eggert
2025-11-09 11:12:13 -08:00
parent 238250f19e
commit 8fca2d35e8
2 changed files with 10 additions and 2 deletions
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7
src/tar.c
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@@ -2701,7 +2701,12 @@ decode_options (int argc, char **argv)
| (dereference_option ? 0 : O_NOFOLLOW)
| (atime_preserve_option == system_atime_preserve ? O_NOATIME : 0));
open_read_flags = O_RDONLY | base_open_flags;
open_searchdir_flags = O_SEARCH | O_DIRECTORY | base_open_flags;
#if defined O_PATH && O_SEARCH == O_RDONLY
int open_search_flag = O_PATH;
#else
int open_search_flag = O_SEARCH;
#endif
open_searchdir_flags = open_search_flag | O_DIRECTORY | base_open_flags;
}
fstatat_flags = dereference_option ? 0 : AT_SYMLINK_NOFOLLOW;