acl-util: only set the mask if not present

[elogind.git] / src / shared / acl-util.c

diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c
index 466f9aa601590d36a422f334da20051f99171354..27225e3fe775247cc139676a7e36483b2e079e84 100644 (file)
--- a/src/shared/acl-util.c
+++ b/src/shared/acl-util.c
@@ -23,8 +23,11 @@
 #include <stdbool.h>
 
 #include "acl-util.h"
-#include "util.h"
+#include "alloc-util.h"
+#include "string-util.h"
 #include "strv.h"
+#include "user-util.h"
+#include "util.h"
 
 int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry) {
         acl_entry_t i;
@@ -65,9 +68,11 @@ int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry) {
         return 0;
 }
 
+#if 0 /// UNNEEDED by elogind
 int calc_acl_mask_if_needed(acl_t *acl_p) {
         acl_entry_t i;
         int r;
+        bool need = false;
 
         assert(acl_p);
 
@@ -82,17 +87,16 @@ int calc_acl_mask_if_needed(acl_t *acl_p) {
                 if (tag == ACL_MASK)
                         return 0;
 
-                if (IN_SET(tag, ACL_USER, ACL_GROUP)) {
-                        if (acl_calc_mask(acl_p) < 0)
-                                return -errno;
-
-                        return 1;
-                }
+                if (IN_SET(tag, ACL_USER, ACL_GROUP))
+                        need = true;
         }
         if (r < 0)
                 return -errno;
 
-        return 0;
+        if (need && acl_calc_mask(acl_p) < 0)
+                return -errno;
+
+        return need;
 }
 
 int add_base_acls_if_needed(acl_t *acl_p, const char *path) {
@@ -223,7 +227,7 @@ int acl_search_groups(const char *path, char ***ret_groups) {
         return ret;
 }
 
-int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask) {
+int parse_acl(const char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask) {
         _cleanup_free_ char **a = NULL, **d = NULL; /* strings are not be freed */
         _cleanup_strv_free_ char **split;
         char **entry;
@@ -232,7 +236,7 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask)
 
         split = strv_split(text, ",");
         if (!split)
-                return log_oom();
+                return -ENOMEM;
 
         STRV_FOREACH(entry, split) {
                 char *p;
@@ -245,9 +249,9 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask)
                         r = strv_push(&d, p);
                 else
                         r = strv_push(&a, *entry);
+                if (r < 0)
+                        return r;
         }
-        if (r < 0)
-                return r;
 
         if (!strv_isempty(a)) {
                 _cleanup_free_ char *join;
@@ -258,7 +262,7 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask)
 
                 a_acl = acl_from_text(join);
                 if (!a_acl)
-                        return -EINVAL;
+                        return -errno;
 
                 if (want_mask) {
                         r = calc_acl_mask_if_needed(&a_acl);
@@ -276,7 +280,7 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask)
 
                 d_acl = acl_from_text(join);
                 if (!d_acl)
-                        return -EINVAL;
+                        return -errno;
 
                 if (want_mask) {
                         r = calc_acl_mask_if_needed(&d_acl);
@@ -288,6 +292,7 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask)
         *acl_access = a_acl;
         *acl_default = d_acl;
         a_acl = d_acl = NULL;
+
         return 0;
 }
 
@@ -394,3 +399,4 @@ int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl) {
         old = NULL;
         return 0;
 }
+#endif // 0