Fix checking the caller process

The launchpad-process-pool is a user daemon. If the caller process
is a system user, the launchpad-process-pool cannot access the proc
info of the caller process.

Change-Id: Idf60fbaeda8e9a80201b226882287f1aef25001e
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>

diff --git a/src/launchpad.c b/src/launchpad.c
index 54c4554..1933365 100755 (executable)
--- a/src/launchpad.c
+++ b/src/launchpad.c
@@ -49,6 +49,7 @@
 #define PROCESS_POOL_LAUNCHPAD_SOCK ".launchpad-process-pool-sock"
 #define LOADER_PATH_DEFAULT "/usr/bin/launchpad-loader"
 #define LOADER_INFO_PATH       "/usr/share/aul"
+#define REGULAR_UID_MIN 5000
 
 typedef struct {
        int type;
@@ -891,11 +892,10 @@ static int __check_caller_by_pid(int pid)
        char buf[PATH_MAX] = { 0, };
 
        ret = _proc_get_attr_by_pid(pid, buf, sizeof(buf));
-
        if (ret < 0)
                return -1;
 
-       if (strcmp(buf, "User") == 0 || strcmp(buf, "System") == 0)
+       if (strcmp(buf, "User") == 0)
                return 0;
 
        return -1;
@@ -969,9 +969,11 @@ static gboolean __handle_launch_event(gpointer data)
                goto end;
        }
 
-       if (__check_caller_by_pid(cr.pid) < 0) {
-               _E("Invalid caller pid");
-               goto end;
+       if (cr.uid >= REGULAR_UID_MIN) {
+               if (__check_caller_by_pid(cr.pid) < 0) {
+                       _E("Invalid caller pid");
+                       goto end;
+               }
        }
 
        kb = bundle_decode(pkt->data, pkt->len);