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authorKay Sievers <kay@vrfy.org>2013-07-26 03:34:18 +0200
committerKay Sievers <kay@vrfy.org>2013-07-26 04:13:55 +0200
commit39bdfa31f2f00c3357e2a7a5f139abee6d7c7cd3 (patch)
tree82b73224f774156f6ab57ef60af0f26ed6507e3d /src
parent819da59577758a7a328020546127091e45bc59e7 (diff)
shared: split mkdir_*() and mkdir_*_label() from each other
Avoid pulling-in selinux for tools which just create directories but not need to fix the selinux label.
Diffstat (limited to 'src')
-rw-r--r--src/shared/cgroup-label.c2
-rw-r--r--src/shared/label.c4
-rw-r--r--src/shared/label.h2
-rw-r--r--src/shared/mkdir-label.c53
-rw-r--r--src/shared/mkdir.c40
-rw-r--r--src/shared/mkdir.h21
6 files changed, 80 insertions, 42 deletions
diff --git a/src/shared/cgroup-label.c b/src/shared/cgroup-label.c
index 574a7be3ee..bae0a627d2 100644
--- a/src/shared/cgroup-label.c
+++ b/src/shared/cgroup-label.c
@@ -47,7 +47,7 @@ int cg_create(const char *controller, const char *path) {
if (r < 0)
return r;
- r = mkdir_parents_prefix("/sys/fs/cgroup", fs, 0755);
+ r = mkdir_parents_prefix_label("/sys/fs/cgroup", fs, 0755);
if (r < 0)
return r;
diff --git a/src/shared/label.c b/src/shared/label.c
index 1fe4574633..fde39f2259 100644
--- a/src/shared/label.c
+++ b/src/shared/label.c
@@ -257,14 +257,14 @@ void label_free(const char *label) {
#endif
}
-int label_mkdir(const char *path, mode_t mode, bool apply) {
+int label_mkdir(const char *path, mode_t mode) {
/* Creates a directory and labels it according to the SELinux policy */
#ifdef HAVE_SELINUX
int r;
security_context_t fcon = NULL;
- if (!apply || !use_selinux() || !label_hnd)
+ if (!use_selinux() || !label_hnd)
goto skipped;
if (path_is_absolute(path))
diff --git a/src/shared/label.h b/src/shared/label.h
index dda4d1c024..09e15e3c08 100644
--- a/src/shared/label.h
+++ b/src/shared/label.h
@@ -40,7 +40,7 @@ void label_free(const char *label);
int label_get_create_label_from_exe(const char *exe, char **label);
-int label_mkdir(const char *path, mode_t mode, bool apply);
+int label_mkdir(const char *path, mode_t mode);
void label_retest_selinux(void);
diff --git a/src/shared/mkdir-label.c b/src/shared/mkdir-label.c
new file mode 100644
index 0000000000..4ee6251bcd
--- /dev/null
+++ b/src/shared/mkdir-label.c
@@ -0,0 +1,53 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ 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
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <assert.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "label.h"
+#include "util.h"
+#include "path-util.h"
+#include "mkdir.h"
+
+int mkdir_label(const char *path, mode_t mode) {
+ return label_mkdir(path, mode);
+}
+
+int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid) {
+ return mkdir_safe_internal(path, mode, uid, gid, label_mkdir);
+}
+
+int mkdir_parents_label(const char *path, mode_t mode) {
+ return mkdir_parents_internal(NULL, path, mode, label_mkdir);
+}
+
+int mkdir_parents_prefix_label(const char *prefix, const char *path, mode_t mode) {
+ return mkdir_parents_internal(prefix, path, mode, label_mkdir);
+}
+
+int mkdir_p_label(const char *path, mode_t mode) {
+ return mkdir_p_internal(NULL, path, mode, label_mkdir);
+}
diff --git a/src/shared/mkdir.c b/src/shared/mkdir.c
index e21a0f3989..b7e5c6e67b 100644
--- a/src/shared/mkdir.c
+++ b/src/shared/mkdir.c
@@ -31,14 +31,10 @@
#include "path-util.h"
#include "mkdir.h"
-int mkdir_label(const char *path, mode_t mode) {
- return label_mkdir(path, mode, true);
-}
-
-static int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t gid, bool apply) {
+int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t gid, mkdir_func_t _mkdir) {
struct stat st;
- if (label_mkdir(path, mode, apply) >= 0)
+ if (_mkdir(path, mode) >= 0)
if (chmod_and_chown(path, mode, uid, gid) < 0)
return -errno;
@@ -60,10 +56,6 @@ int mkdir_safe(const char *path, mode_t mode, uid_t uid, gid_t gid) {
return mkdir_safe_internal(path, mode, uid, gid, false);
}
-int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid) {
- return mkdir_safe_internal(path, mode, uid, gid, true);
-}
-
static int is_dir(const char* path) {
struct stat st;
@@ -73,7 +65,7 @@ static int is_dir(const char* path) {
return S_ISDIR(st.st_mode);
}
-static int mkdir_parents_internal(const char *prefix, const char *path, mode_t mode, bool apply) {
+int mkdir_parents_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir) {
const char *p, *e;
int r;
@@ -116,34 +108,26 @@ static int mkdir_parents_internal(const char *prefix, const char *path, mode_t m
if (prefix && path_startswith(prefix, t))
continue;
- r = label_mkdir(t, mode, apply);
+ r = _mkdir(t, mode);
if (r < 0 && errno != EEXIST)
return -errno;
}
}
int mkdir_parents(const char *path, mode_t mode) {
- return mkdir_parents_internal(NULL, path, mode, false);
-}
-
-int mkdir_parents_label(const char *path, mode_t mode) {
- return mkdir_parents_internal(NULL, path, mode, true);
-}
-
-int mkdir_parents_prefix(const char *prefix, const char *path, mode_t mode) {
- return mkdir_parents_internal(prefix, path, mode, true);
+ return mkdir_parents_internal(NULL, path, mode, mkdir);
}
-static int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, bool apply) {
+int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir) {
int r;
/* Like mkdir -p */
- r = mkdir_parents_internal(prefix, path, mode, apply);
+ r = mkdir_parents_internal(prefix, path, mode, _mkdir);
if (r < 0)
return r;
- r = label_mkdir(path, mode, apply);
+ r = _mkdir(path, mode);
if (r < 0 && (errno != EEXIST || is_dir(path) <= 0))
return -errno;
@@ -151,13 +135,9 @@ static int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, b
}
int mkdir_p(const char *path, mode_t mode) {
- return mkdir_p_internal(NULL, path, mode, false);
-}
-
-int mkdir_p_label(const char *path, mode_t mode) {
- return mkdir_p_internal(NULL, path, mode, true);
+ return mkdir_p_internal(NULL, path, mode, mkdir);
}
int mkdir_p_prefix(const char *prefix, const char *path, mode_t mode) {
- return mkdir_p_internal(prefix, path, mode, false);
+ return mkdir_p_internal(prefix, path, mode, mkdir);
}
diff --git a/src/shared/mkdir.h b/src/shared/mkdir.h
index 3d39b2910f..5b34db4229 100644
--- a/src/shared/mkdir.h
+++ b/src/shared/mkdir.h
@@ -7,6 +7,7 @@
This file is part of systemd.
Copyright 2010 Lennart Poettering
+ Copyright 2013 Kay Sievers
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
@@ -24,17 +25,21 @@
#include <sys/types.h>
-int mkdir_label(const char *path, mode_t mode);
-
int mkdir_safe(const char *path, mode_t mode, uid_t uid, gid_t gid);
-int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid);
-
int mkdir_parents(const char *path, mode_t mode);
-int mkdir_parents_label(const char *path, mode_t mode);
-int mkdir_parents_prefix(const char *prefix, const char *path, mode_t mode);
-
int mkdir_p(const char *path, mode_t mode);
-int mkdir_p_label(const char *path, mode_t mode);
int mkdir_p_prefix(const char *prefix, const char *path, mode_t mode);
+/* selinux versions */
+int mkdir_label(const char *path, mode_t mode);
+int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid);
+int mkdir_parents_label(const char *path, mode_t mode);
+int mkdir_p_label(const char *path, mode_t mode);
+int mkdir_parents_prefix_label(const char *prefix, const char *path, mode_t mode);
+
+/* internally used */
+typedef int (*mkdir_func_t)(const char *pathname, mode_t mode);
+int mkdir_safe_internal(const char *path, mode_t mode, uid_t uid, gid_t gid, mkdir_func_t _mkdir);
+int mkdir_parents_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir);
+int mkdir_p_internal(const char *prefix, const char *path, mode_t mode, mkdir_func_t _mkdir);
#endif