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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-22 14:35:26 +0000
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-22 15:31:45 -0400
commit478c82693c386e7a6e8e4b37cc99fb19b12e7186 (patch)
treefbf91af1cd927c12863b2f2343eb82051e3959b4 /src/shared
parent737732a41e5702540f51c760bebd3b8152c04727 (diff)
build-sys: move acl searching code into libsystemd-acl
This loop over acls is a bit too much to keep inside of another loop.
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/acl-util.c60
-rw-r--r--src/shared/acl-util.h3
2 files changed, 62 insertions, 1 deletions
diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c
index d1eb6f2268..48bb12f46b 100644
--- a/src/shared/acl-util.c
+++ b/src/shared/acl-util.c
@@ -3,7 +3,7 @@
/***
This file is part of systemd.
- Copyright 2011 Lennart Poettering
+ Copyright 2011,2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
@@ -26,6 +26,8 @@
#include <stdbool.h>
#include "acl-util.h"
+#include "util.h"
+#include "strv.h"
int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry) {
acl_entry_t i;
@@ -66,3 +68,59 @@ int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry) {
return 0;
}
+
+int search_acl_groups(char*** dst, const char* path, bool* belong) {
+ acl_t acl;
+
+ assert(path);
+ assert(belong);
+
+ acl = acl_get_file(path, ACL_TYPE_DEFAULT);
+ if (acl) {
+ acl_entry_t entry;
+ int r;
+
+ r = acl_get_entry(acl, ACL_FIRST_ENTRY, &entry);
+ while (r > 0) {
+ acl_tag_t tag;
+ gid_t *gid;
+ char *name;
+
+ r = acl_get_tag_type(entry, &tag);
+ if (r < 0)
+ break;
+
+ if (tag != ACL_GROUP)
+ goto next;
+
+ gid = acl_get_qualifier(entry);
+ if (!gid)
+ break;
+
+ if (in_gid(*gid) > 0) {
+ *belong = true;
+ break;
+ }
+
+ name = gid_to_name(*gid);
+ if (!name) {
+ acl_free(acl);
+ return log_oom();
+ }
+
+ r = strv_push(dst, name);
+ if (r < 0) {
+ free(name);
+ acl_free(acl);
+ return log_oom();
+ }
+
+ next:
+ r = acl_get_entry(acl, ACL_NEXT_ENTRY, &entry);
+ }
+
+ acl_free(acl);
+ }
+
+ return 0;
+}
diff --git a/src/shared/acl-util.h b/src/shared/acl-util.h
index 31fbbcd510..23090d9984 100644
--- a/src/shared/acl-util.h
+++ b/src/shared/acl-util.h
@@ -21,4 +21,7 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <stdbool.h>
+
int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry);
+int search_acl_groups(char*** dst, const char* path, bool* belong);