server: add a private socket for root

[disorder] / lib / client-common.c

diff --git a/lib/client-common.c b/lib/client-common.c
index 476117c..897260e 100644 (file)
--- a/lib/client-common.c
+++ b/lib/client-common.c
@@ -25,6 +25,7 @@
 #include <sys/un.h>
 #include <errno.h>
 #include <netdb.h>
+#include <unistd.h>
 
 #include "log.h"
 #include "configuration.h"
@@ -43,7 +44,7 @@ socklen_t find_server(struct config *c,
   struct sockaddr *sa;
   struct sockaddr_un su;
   struct addrinfo *res = 0;
-  char *name;
+  char *name = NULL;
   socklen_t len;
 
   if(c->connect.af != -1) {
@@ -53,7 +54,16 @@ socklen_t find_server(struct config *c,
     sa = res->ai_addr;
     len = res->ai_addrlen;
   } else {
-    name = config_get_file2(c, "socket");
+    if(getuid() == 0) {
+      /* root will use the private socket if possible (which it should be) */
+      name = config_get_file2(c, "private/socket");
+      if(access(name, R_OK) != 0) {
+        xfree(name);
+        name = NULL;
+      }
+    }
+    if(!name)
+      name = config_get_file2(c, "socket");
     if(strlen(name) >= sizeof su.sun_path) {
       disorder_error(errno, "socket path is too long");
       return -1;