attempt to catch errors and fail horribly

src/exploit.c

@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -56,9 +57,18 @@ void clean() {
 
 void runAndClean(const char *env[], const char *arg[]) {
 	int pid = fork();
-	if (pid == 0) execve("/usr/bin/pkexec", arg, env);
+	if (pid == 0) {
+		int res = execve("/usr/bin/pkexec", arg, env);
+		/*if (res == -1) {
+			print("[Pwnkit] Failed to execute pkexec, or it returned an error; your system is most likely patched!");
+		}*/
+	}
 	else {
-		waitpid(pid, NULL, 0);
+		int status;
+		waitpid(pid, &status, 0);
+		if (WEXITSTATUS(status) == 126) {
+			print("[Pwnkit] Failed to execute pkexec, or it returned an error; your system is most likely patched!");
+		}
 		print("[Pwnkit] Cleaning up..");
 		clean();
 	}