get caller unique name when caller is not application.

Change-Id: I840fd79801d32fbeb7ae4ab582d6f274eae71761
Signed-off-by: Jiwoong Im <jiwoong.im@samsung.com>

diff --git a/alarm-manager.c b/alarm-manager.c
index 68848f2..8530b99 100644 (file)
--- a/alarm-manager.c
+++ b/alarm-manager.c
@@ -1563,25 +1563,48 @@ bool __get_caller_unique_name(int pid, char *unique_name)
        char caller_appid[256] = {0,};
        char caller_cmdline[512] = {0,};
 
-       if (unique_name == NULL)
-       {
+       if (unique_name == NULL) {
                ALARM_MGR_EXCEPTION_PRINT("unique_name should not be NULL.");
                return false;
        }
 
-       if (aul_app_get_appid_bypid(pid, caller_appid, sizeof(caller_appid)) == AUL_R_OK)
-       {
-               // When a caller is an application, the unique name is appID.
+       if (aul_app_get_appid_bypid(pid, caller_appid,
+                               sizeof(caller_appid)) == AUL_R_OK) {
+               /* When a caller is an application, the unique name is appID. */
                strncpy(unique_name, caller_appid, strlen(caller_appid));
-/*     }
-       else if (aul_app_get_cmdline_bypid(pid, caller_cmdline, sizeof(caller_cmdline)) == AUL_R_OK)
-       {
-               strncpy(unique_name, caller_cmdline, strlen(caller_cmdline));
-               ALARM_MGR_LOG_PRINT("unique_name is caller_cmdline : %s.", unique_name);
-               */
        } else {
-               ALARM_MGR_EXCEPTION_PRINT("Failed to get caller_cmdline");
-               return false;
+               /* Otherwise, the unique name is /proc/pid/cmdline. */
+               char proc_file[512] = {0,};
+               char process_name[512] = {0,};
+               int fd = 0;
+               int i = 0;
+
+               snprintf(proc_file, 512, "/proc/%d/cmdline", pid);
+
+               fd = open(proc_file, O_RDONLY);
+               if (fd < 0) {
+                       SECURE_LOGE("Caution!! pid(%d) seems to be killed.",
+                                       pid, proc_file);
+                       return false;
+               }
+               else {
+                       if (read(fd, process_name, 512) <= 0)
+                       {
+                               ALARM_MGR_EXCEPTION_PRINT("Unable to get the process name.");
+                               close(fd);
+                               return false;
+                       }
+                       close(fd);
+
+                       while (process_name[i] != '\0') {
+                               if (process_name[i] == ' ') {
+                                       process_name[i] = '\0';
+                                       break;
+                               }
+                               ++i;
+                       }
+                       strncpy(unique_name, process_name, strlen(process_name));
+               }
        }
 
        SECURE_LOGD("unique_name= %s", unique_name);