From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 14 Jan 2015 21:37:56 +0000 (+0100)
Subject: sysv-generator: always use fstatat() if we can
X-Git-Tag: v219~506
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=805e5dda0a01c99d231824e1a9c4a208418bf342

sysv-generator: always use fstatat() if we can
---

diff --git a/src/sysv-generator/sysv-generator.c b/src/sysv-generator/sysv-generator.c
index 89c0e7c67..477498101 100644
--- a/src/sysv-generator/sysv-generator.c
+++ b/src/sysv-generator/sysv-generator.c
@@ -722,28 +722,33 @@ static int enumerate_sysv(LookupPaths lp, Hashmap *all_services) {
                 }
 
                 while ((de = readdir(d))) {
-                        SysvStub *service;
-                        struct stat st;
                         _cleanup_free_ char *fpath = NULL, *name = NULL;
+                        _cleanup_free_ SysvStub *service = NULL;
+                        struct stat st;
                         int r;
 
                         if (hidden_file(de->d_name))
                                 continue;
 
-                        fpath = strjoin(*path, "/", de->d_name, NULL);
-                        if (!fpath)
-                                return log_oom();
-
-                        if (stat(fpath, &st) < 0)
+                        if (fstatat(dirfd(d), de->d_name, &st, 0) < 0) {
+                                log_warning_errno(errno, "stat() failed on %s/%s: %m", *path, de->d_name);
                                 continue;
+                        }
 
                         if (!(st.st_mode & S_IXUSR))
                                 continue;
 
+                        if (!S_ISREG(st.st_mode))
+                                continue;
+
                         name = sysv_translate_name(de->d_name);
                         if (!name)
                                 return log_oom();
 
+                        fpath = strjoin(*path, "/", de->d_name, NULL);
+                        if (!fpath)
+                                return log_oom();
+
                         if (hashmap_contains(all_services, name))
                                 continue;
 
@@ -756,12 +761,11 @@ static int enumerate_sysv(LookupPaths lp, Hashmap *all_services) {
                         service->path = fpath;
 
                         r = hashmap_put(all_services, service->name, service);
-                        if (r < 0) {
-                                free(service);
+                        if (r < 0)
                                 return log_oom();
-                        }
 
                         name = fpath = NULL;
+                        service = NULL;
                 }
         }