Create socket link for debug mode

When the application is launched by the debugger,
the socket link should be created for re-launching the application.
Until now, the running application by the debugger could not
get the re-launch request.

Requires:
 - https://review.tizen.org/gerrit/#/c/112729/

Change-Id: I1f25f342ef3eeac3dae3e66749fe9a11f7d8851c
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>

diff --git a/src/aul_sock.c b/src/aul_sock.c
index 6003511..93f67fa 100644 (file)
--- a/src/aul_sock.c
+++ b/src/aul_sock.c
@@ -23,6 +23,7 @@
 #include <sys/xattr.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <ctype.h>
 #include <tzplatform_config.h>
 #include <glib.h>
 #include <vconf.h>
@@ -115,6 +116,30 @@ API int aul_sock_set_sock_option(int fd, int cli)
        return 0;
 }
 
+static int __create_socket_dir(int pid, uid_t uid)
+{
+       char path[PATH_MAX];
+
+       if (uid < REGULAR_UID_MIN)
+               snprintf(path, sizeof(path), "/run/aul/daemons/%d", uid);
+       else
+               snprintf(path, sizeof(path), "/run/aul/apps/%d/%d", uid, pid);
+
+       if (mkdir(path, 0700) != 0) {
+               if (errno == EEXIST) {
+                       if (access(path, R_OK) != 0) {
+                               _E("Failed to acess %s directory", path);
+                               return -1;
+                       }
+               } else {
+                       _E("Failed to create %s directory", path);
+                       return -1;
+               }
+       }
+
+       return 0;
+}
+
 static void __create_socket_path(char *path_buf, int size, int pid, uid_t uid)
 {
        if (uid < REGULAR_UID_MIN) {
@@ -126,13 +151,28 @@ static void __create_socket_path(char *path_buf, int size, int pid, uid_t uid)
        }
 }
 
+static void __create_socket_link(const char *socket_path, int pid, uid_t uid)
+{
+       char path[PATH_MAX];
+
+       if (__create_socket_dir(pid, uid) < 0)
+               return;
+
+       __create_socket_path(path, sizeof(path), pid, uid);
+       if (link(socket_path, path) < 0) {
+               if (errno == EEXIST)
+                       _D("path(%s) - already exists", path);
+               else
+                       _E("path(%s) - unknown create error", path);
+       }
+}
+
 API int aul_sock_create_server(int pid, uid_t uid)
 {
        struct sockaddr_un saddr;
-       struct sockaddr_un p_saddr;
        int fd;
-       int ret;
-       int pgid;
+       int env_pid = -1;
+       char *env_str;
 
        fd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
        /*  support above version 2.6.27*/
@@ -152,29 +192,9 @@ API int aul_sock_create_server(int pid, uid_t uid)
        memset(&saddr, 0, sizeof(saddr));
        saddr.sun_family = AF_UNIX;
 
-       if (uid < REGULAR_UID_MIN) {
-               snprintf(saddr.sun_path, sizeof(saddr.sun_path),
-                       "/run/aul/daemons/%d", uid);
-
-       } else {
-               snprintf(saddr.sun_path, sizeof(saddr.sun_path),
-                       "/run/aul/apps/%d/%d", uid, pid);
-       }
-
-       ret = mkdir(saddr.sun_path, 0700);
-       if (ret != 0) {
-               if (errno == EEXIST) {
-                       if (access(saddr.sun_path, R_OK) != 0) {
-                               _E("Failed to access %s directory",
-                                               saddr.sun_path);
-                               close(fd);
-                               return -1;
-                       }
-               } else {
-                       _E("Failed to create %s directory", saddr.sun_path);
-                       close(fd);
-                       return -1;
-               }
+       if (__create_socket_dir(pid, uid) < 0) {
+               close(fd);
+               return -1;
        }
 
        __create_socket_path(saddr.sun_path, sizeof(saddr.sun_path), pid, uid);
@@ -216,18 +236,14 @@ API int aul_sock_create_server(int pid, uid_t uid)
                return -1;
        }
 
-       /* support app launched by shell script */
+       /* Create socket link */
        if (pid > 0) {
-               pgid = getpgid(pid);
-               if (pgid > 1) {
-                       __create_socket_path(saddr.sun_path, sizeof(saddr.sun_path), pgid, uid);
-                       if (link(saddr.sun_path, p_saddr.sun_path) < 0) {
-                               if (errno == EEXIST)
-                                       _D("pg path - already exists");
-                               else
-                                       _E("pg path - unknown create error");
-                       }
-               }
+               env_str = getenv("AUL_PID");
+               if (env_str && isdigit(env_str[0]))
+                       env_pid = atoi(env_str);
+
+               if (env_pid > 1 && pid != env_pid)
+                       __create_socket_link(saddr.sun_path, env_pid, uid);
        }
 
        return fd;