Resolve /proc/self/exe fullpath

1 files changed, 10 insertions, 5 deletions

diff --git a/main.c b/main.c
index c9f21c8..e59691f 100644
--- a/main.c
+++ b/main.c
@@ -9,12 +9,17 @@
 #include <sys/sendfile.h>
 #include <sys/capability.h>
 
-static int get_self_filepath(char *buffer, size_t size) {
-    ssize_t bytes_written = readlink("/proc/self/exe", buffer, size - 1);
+static int get_self_filepath(char *buffer) {
+    char self_path[PATH_MAX];
+
+    ssize_t bytes_written = readlink("/proc/self/exe", self_path, sizeof(self_path) - 1);
     if(bytes_written == -1)
         return 0;
 
-    buffer[bytes_written] = '\0';
+    self_path[bytes_written] = '\0';
+    if(!realpath(self_path, buffer))
+        return 0;
+
     return 1;
 }
 
@@ -115,11 +120,11 @@ int main(int argc, char **argv) {
     const char *user_homepath = argv[3];
 
     char self_path[PATH_MAX];
-    if(!get_self_filepath(self_path, sizeof(self_path)))
+    if(!get_self_filepath(self_path))
         return 1;
 
     char kms_server_proxy_local_filepath[PATH_MAX];
-    snprintf(kms_server_proxy_local_filepath, sizeof(kms_server_proxy_local_filepath), "%s/.local/share/gpu-screen-recorder/kms-server-proxy", user_homepath);
+    snprintf(kms_server_proxy_local_filepath, sizeof(kms_server_proxy_local_filepath), "%s/.local/share/gpu-screen-recorder/kms-server-proxy-1", user_homepath);
 
     if(file_has_sys_admin_capability(gsr_kms_server_filepath)) {
         const char *args[] = { gsr_kms_server_filepath, initial_socket_path, card_path, NULL };