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Merge branch 'jc/set-gid-bit-less-aggressively'

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The adjust_shared_perm() helper function learned to refrain from
setting the "g+s" bit on directories when it is not necessary.

* jc/set-gid-bit-less-aggressively:
  adjust_shared_perm(): leave g+s alone when the group does not matter
This commit is contained in:
Taylor Blau 2022-11-08 17:14:49 -05:00
commit 06e7696025
1 changed files with 7 additions and 1 deletions
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8
path.c
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@ -901,7 +901,13 @@ int adjust_shared_perm(const char *path)
if (S_ISDIR(old_mode)) {
/* Copy read bits to execute bits */
new_mode |= (new_mode & 0444) >> 2;
new_mode |= FORCE_DIR_SET_GID;
/*
* g+s matters only if any extra access is granted
* based on group membership.
*/
if (FORCE_DIR_SET_GID && (new_mode & 060))
new_mode |= FORCE_DIR_SET_GID;
}
if (((old_mode ^ new_mode) & ~S_IFMT) &&