unit: use weaker dependencies between mount and device units in --user mode

[elogind.git] / src / core / smack-setup.c

diff --git a/src/core/smack-setup.c b/src/core/smack-setup.c
index d67a84a583308362b80fe469e098b729c215206b..ff2a02004d78307919a1cfc7092384cfd8e6b7f6 100644 (file)
--- a/src/core/smack-setup.c
+++ b/src/core/smack-setup.c
@@ -24,23 +24,18 @@
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
-#include <unistd.h>
 #include <stdlib.h>
-#include <sys/vfs.h>
 #include <fcntl.h>
-#include <sys/types.h>
 #include <dirent.h>
-#include <sys/mount.h>
-#include <stdint.h>
 
 #include "macro.h"
 #include "smack-setup.h"
 #include "util.h"
+#include "fileio.h"
 #include "log.h"
-#include "label.h"
 
 #define SMACK_CONFIG "/etc/smack/accesses.d/"
-#define CIPSO_CONFIG "/etc/smack/cipso/"
+#define CIPSO_CONFIG "/etc/smack/cipso.d/"
 
 #ifdef HAVE_SMACK
 
@@ -55,7 +50,7 @@ static int write_rules(const char* dstpath, const char* srcdir) {
         dst = fopen(dstpath, "we");
         if (!dst)  {
                 if (errno != ENOENT)
-                        log_warning("Failed to open %s: %m", dstpath);
+                        log_warning_errno(errno, "Failed to open %s: %m", dstpath);
                 return -errno; /* negative error */
         }
 
@@ -63,7 +58,7 @@ static int write_rules(const char* dstpath, const char* srcdir) {
         dir = opendir(srcdir);
         if (!dir) {
                 if (errno != ENOENT)
-                        log_warning("Failed to opendir %s: %m", srcdir);
+                        log_warning_errno(errno, "Failed to opendir %s: %m", srcdir);
                 return errno; /* positive on purpose */
         }
 
@@ -78,7 +73,7 @@ static int write_rules(const char* dstpath, const char* srcdir) {
                 if (fd < 0) {
                         if (r == 0)
                                 r = -errno;
-                        log_warning("Failed to open %s: %m", entry->d_name);
+                        log_warning_errno(errno, "Failed to open %s: %m", entry->d_name);
                         continue;
                 }
 
@@ -86,14 +81,14 @@ static int write_rules(const char* dstpath, const char* srcdir) {
                 if (!policy) {
                         if (r == 0)
                                 r = -errno;
-                        close_nointr_nofail(fd);
-                        log_error("Failed to open %s: %m", entry->d_name);
+                        safe_close(fd);
+                        log_error_errno(errno, "Failed to open %s: %m", entry->d_name);
                         continue;
                 }
 
                 /* load2 write rules in the kernel require a line buffered stream */
                 FOREACH_LINE(buf, policy,
-                             log_error("Failed to read line from %s: %m",
+                             log_error_errno(errno, "Failed to read line from %s: %m",
                                        entry->d_name)) {
                         if (!fputs(buf, dst)) {
                                 if (r == 0)
@@ -104,7 +99,7 @@ static int write_rules(const char* dstpath, const char* srcdir) {
                         if (fflush(dst)) {
                                 if (r == 0)
                                         r = -errno;
-                                log_error("Failed to flush writes to %s: %m", dstpath);
+                                log_error_errno(errno, "Failed to flush writes to %s: %m", dstpath);
                                 break;
                         }
                 }
@@ -115,12 +110,14 @@ static int write_rules(const char* dstpath, const char* srcdir) {
 
 #endif
 
-int smack_setup(void) {
+int mac_smack_setup(bool *loaded_policy) {
 
 #ifdef HAVE_SMACK
 
         int r;
 
+        assert(loaded_policy);
+
         r = write_rules("/sys/fs/smackfs/load2", SMACK_CONFIG);
         switch(r) {
         case -ENOENT:
@@ -138,6 +135,13 @@ int smack_setup(void) {
                 return 0;
         }
 
+#ifdef SMACK_RUN_LABEL
+        r = write_string_file("/proc/self/attr/current", SMACK_RUN_LABEL);
+        if (r)
+                log_warning("Failed to set SMACK label \"%s\" on self: %s",
+                            SMACK_RUN_LABEL, strerror(-r));
+#endif
+
         r = write_rules("/sys/fs/smackfs/cipso2", CIPSO_CONFIG);
         switch(r) {
         case -ENOENT:
@@ -148,13 +152,15 @@ int smack_setup(void) {
                 return 0;
         case 0:
                 log_info("Successfully loaded Smack/CIPSO policies.");
-                return 0;
+                break;
         default:
                 log_warning("Failed to load Smack/CIPSO access rules: %s, ignoring.",
                             strerror(abs(r)));
                 return 0;
         }
 
+        *loaded_policy = true;
+
 #endif
 
         return 0;