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coredump: port to use common add_acls_for_user()

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It's line-by-line the same logic, hence use the common implementation.
This commit is contained in:
Lennart Poettering 2020-07-21 22:21:28 +02:00
parent 2ea6247e01
commit d81be4e752
1 changed files with 4 additions and 24 deletions
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28
src/coredump/coredump.c
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@ -177,38 +177,18 @@ static uint64_t storage_size_max(void) {
static int fix_acl(int fd, uid_t uid) {
#if HAVE_ACL
_cleanup_(acl_freep) acl_t acl = NULL;
acl_entry_t entry;
acl_permset_t permset;
int r;
assert(fd >= 0);
assert(uid_is_valid(uid));
if (uid_is_system(uid) || uid_is_dynamic(uid) || uid == UID_NOBODY)
return 0;
/* Make sure normal users can read (but not write or delete)
* their own coredumps */
acl = acl_get_fd(fd);
if (!acl)
return log_error_errno(errno, "Failed to get ACL: %m");
if (acl_create_entry(&acl, &entry) < 0 ||
acl_set_tag_type(entry, ACL_USER) < 0 ||
acl_set_qualifier(entry, &uid) < 0)
return log_error_errno(errno, "Failed to patch ACL: %m");
if (acl_get_permset(entry, &permset) < 0 ||
acl_add_perm(permset, ACL_READ) < 0)
return log_warning_errno(errno, "Failed to patch ACL: %m");
r = calc_acl_mask_if_needed(&acl);
/* Make sure normal users can read (but not write or delete) their own coredumps */
r = add_acls_for_user(fd, uid);
if (r < 0)
return log_warning_errno(r, "Failed to patch ACL: %m");
if (acl_set_fd(fd, acl) < 0)
return log_error_errno(errno, "Failed to apply ACL: %m");
return log_error_errno(r, "Failed to adjust ACL of coredump: %m");
#endif
return 0;