X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flabel.c;h=809b1ee64656fb5a75c590a73ee16c44551f28b5;hp=d18e5dc7b8d5c96101c7efa71246580f88b7ffc4;hb=5b40d54851da5934a0c819b35d6d5338039ee923;hpb=e51bc1a23e8f581e4fe46aa4df1bd93b7042c184

diff --git a/src/label.c b/src/label.c
index d18e5dc7b..809b1ee64 100644
--- a/src/label.c
+++ b/src/label.c
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -41,31 +41,6 @@ static inline bool use_selinux(void) {
         return use_selinux_ind;
 }
 
-static int label_get_file_label_from_path(
-                const char *label,
-                const char *path,
-                const char *class,
-                security_context_t *fcon) {
-
-        security_context_t dir_con = NULL;
-        security_class_t sclass;
-        int r = 0;
-
-        r = getfilecon(path, &dir_con);
-        if (r >= 0) {
-                r = -1;
-                errno = EINVAL;
-
-                if ((sclass = string_to_security_class(class)) != 0)
-                        r = security_compute_create((security_context_t) label, dir_con, sclass, fcon);
-        }
-        if (r < 0)
-                r = -errno;
-
-        freecon(dir_con);
-        return r;
-}
-
 #endif
 
 int label_init(void) {
@@ -80,7 +55,7 @@ int label_init(void) {
         if (!label_hnd) {
                 log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG,
                          "Failed to initialize SELinux context: %m");
-                r = (security_getenforce() == 1) ? -errno : 0;
+                r = security_getenforce() == 1 ? -errno : 0;
         }
 #endif
 
@@ -101,15 +76,24 @@ int label_fix(const char *path) {
         if (r == 0) {
                 r = selabel_lookup_raw(label_hnd, &fcon, path, st.st_mode);
 
+                /* If there's no label to set, then exit without warning */
+                if (r < 0 && errno == ENOENT)
+                        return 0;
+
                 if (r == 0) {
                         r = setfilecon(path, fcon);
                         freecon(fcon);
+
+                        /* If the FS doesn't support labels, then exit without warning */
+                        if (r < 0 && errno == ENOTSUP)
+                                return 0;
                 }
         }
+
         if (r < 0) {
                 log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG,
                          "Unable to fix label of %s: %m", path);
-                r = (security_getenforce() == 1) ? -errno : 0;
+                r = security_getenforce() == 1 ? -errno : 0;
         }
 #endif
 
@@ -161,18 +145,18 @@ fail:
         return r;
 }
 
-int label_fifofile_set(const char *label, const char *path) {
+int label_fifofile_set(const char *path) {
         int r = 0;
 
 #ifdef HAVE_SELINUX
         security_context_t filecon = NULL;
 
-        if (!use_selinux() || !label)
+        if (!use_selinux() || !label_hnd)
                 return 0;
 
-        if (((r = label_get_file_label_from_path(label, path, "fifo_file", &filecon)) == 0)) {
+        if ((r = selabel_lookup_raw(label_hnd, &filecon, path, S_IFIFO)) == 0) {
                 if ((r = setfscreatecon(filecon)) < 0) {
-                        log_error("Failed to set SELinux file context (%s) on %s: %m", label, path);
+                        log_error("Failed to set SELinux file context on %s: %m", path);
                         r = -errno;
                 }