nspawn: require /etc/os-release only for init

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

diff --git a/src/shared/util.c b/src/shared/util.c
index 4c5b0482869f3b64633bbb9ef2f66fab6e9c46c7..f76ed6f563cf32eb2ef524e30a694e7d12e3a4dd 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2337,7 +2337,7 @@ void rename_process(const char name[8]) {
                         if (!saved_argv[i])
                                 break;
 
-                        memset(saved_argv[i], 0, strlen(saved_argv[i]));
+                        memzero(saved_argv[i], strlen(saved_argv[i]));
                 }
         }
 }
@@ -5792,7 +5792,7 @@ void* greedy_realloc0(void **p, size_t *allocated, size_t need) {
                 return NULL;
 
         if (*allocated > prev)
-                memset(&q[prev], 0, *allocated - prev);
+                memzero(&q[prev], *allocated - prev);
 
         return q;
 }
@@ -6132,3 +6132,21 @@ int open_tmpfile(const char *path, int flags) {
         unlink(p);
         return fd;
 }
+
+int fd_warn_permissions(const char *path, int fd) {
+        struct stat st;
+
+        if (fstat(fd, &st) < 0)
+                return -errno;
+
+        if (st.st_mode & 0111)
+                log_warning("Configuration file %s is marked executable. Please remove executable permission bits. Proceeding anyway.", path);
+
+        if (st.st_mode & 0002)
+                log_warning("Configuration file %s is marked world-writable. Please remove world writability permission bits. Proceeding anyway.", path);
+
+        if (getpid() == 1 && (st.st_mode & 0044) != 0044)
+                log_warning("Configuration file %s is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway.", path);
+
+        return 0;
+}