X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsysctl%2Fsysctl.c;h=06defa5b7cdf69c567a360f16fd0fbe4ccddf44d;hb=7e9f159ca78d4cedc8d9c3276e409a4653a6af69;hp=8868732ad1352230fbb2e5ff1b4c9d2cd4ef8202;hpb=4cf7ea556aa1e74f9b34d4467f36d46a1bb25da3;p=elogind.git

diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index 8868732ad..06defa5b7 100644
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -48,12 +48,26 @@ static const char conf_file_dirs[] =
 #endif
         ;
 
-static char *normalize_sysctl(char *s) {
+static char* normalize_sysctl(char *s) {
         char *n;
 
-        for (n = s; *n; n++)
+        n = strpbrk(s, "/.");
+        /* If the first separator is a slash, the path is
+         * assumed to be normalized and slashes remain slashes
+         * and dots remains dots. */
+        if (!n || *n == '/')
+                return s;
+
+        /* Otherwise, dots become slashes and slashes become
+         * dots. Fun. */
+        while (n) {
                 if (*n == '.')
                         *n = '/';
+                else
+                        *n = '.';
+
+                n = strpbrk(n + 1, "/.");
+        }
 
         return s;
 }
@@ -65,7 +79,7 @@ static int apply_sysctl(const char *property, const char *value) {
 
         log_debug("Setting '%s' to '%s'", property, value);
 
-        p = new(char, sizeof("/proc/sys/") + strlen(property));
+        p = new(char, strlen("/proc/sys/") + strlen(property) + 1);
         if (!p)
                 return log_oom();