Revert "Revert "networkd: netdev - set predictable mac address when creating netdev""

[elogind.git] / src / core / main.c

diff --git a/src/core/main.c b/src/core/main.c
index d5d1ee2b0ceff67aeb66dce923d525d3b41dd34d..3aac5d1d97fe281e097864cd543968c84f50ca9e 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1151,19 +1151,25 @@ static int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
 }
 
 static void test_mtab(void) {
-        char *p;
 
-        /* Check that /etc/mtab is a symlink */
+        static const char ok[] =
+                "/proc/self/mounts\0"
+                "/proc/mounts\0"
+                "../proc/self/mounts\0"
+                "../proc/mounts\0";
 
-        if (readlink_malloc("/etc/mtab", &p) >= 0) {
-                bool b;
+        _cleanup_free_ char *p = NULL;
+        int r;
 
-                b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
-                free(p);
+        /* Check that /etc/mtab is a symlink to the right place or
+         * non-existing. But certainly not a file, or a symlink to
+         * some weird place... */
 
-                if (b)
-                        return;
-        }
+        r = readlink_malloc("/etc/mtab", &p);
+        if (r == -ENOENT)
+                return;
+        if (r >= 0 && nulstr_contains(ok, p))
+                return;
 
         log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
                     "This is not supported anymore. "
@@ -1251,9 +1257,15 @@ static int status_welcome(void) {
                            "PRETTY_NAME", &pretty_name,
                            "ANSI_COLOR", &ansi_color,
                            NULL);
+        if (r == -ENOENT) {
+                r = parse_env_file("/usr/lib/os-release", NEWLINE,
+                                   "PRETTY_NAME", &pretty_name,
+                                   "ANSI_COLOR", &ansi_color,
+                                   NULL);
+        }
 
         if (r < 0 && r != -ENOENT)
-                log_warning("Failed to read /etc/os-release: %s", strerror(-r));
+                log_warning("Failed to read os-release file: %s", strerror(-r));
 
         return status_printf(NULL, false, false,
                              "\nWelcome to \x1B[%sm%s\x1B[0m!\n",