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chase-symlinks: refuse more chase_symlink() flags in the open/stat flavours

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These flags make no sense when we try to access the final inode, hence
refuse.
This commit is contained in:
Lennart Poettering
2022-08-22 19:25:00 +01:00
committed by Luca Boccassi
parent 127b72da2b
commit 81a7eac1f7
1 changed files with 3 additions and 3 deletions
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src/basic/chase-symlinks.c
+3 -3
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@@ -417,7 +417,7 @@ int chase_symlinks_and_open(
_cleanup_free_ char *p = NULL;
int r;
if (chase_flags & CHASE_NONEXISTENT)
if (chase_flags & (CHASE_NONEXISTENT|CHASE_STEP))
return -EINVAL;
if (empty_or_root(root) && !ret_path && (chase_flags & (CHASE_NO_AUTOFS|CHASE_SAFE)) == 0) {
@@ -458,7 +458,7 @@ int chase_symlinks_and_opendir(
if (!ret_dir)
return -EINVAL;
if (chase_flags & CHASE_NONEXISTENT)
if (chase_flags & (CHASE_NONEXISTENT|CHASE_STEP))
return -EINVAL;
if (empty_or_root(root) && !ret_path && (chase_flags & (CHASE_NO_AUTOFS|CHASE_SAFE)) == 0) {
@@ -502,7 +502,7 @@ int chase_symlinks_and_stat(
assert(path);
assert(ret_stat);
if (chase_flags & CHASE_NONEXISTENT)
if (chase_flags & (CHASE_NONEXISTENT|CHASE_STEP))
return -EINVAL;
if (empty_or_root(root) && !ret_path && (chase_flags & (CHASE_NO_AUTOFS|CHASE_SAFE)) == 0 && !ret_fd) {