+/* Cydia - iPhone UIKit Front-End for Debian APT
+ * Copyright (C) 2008-2015 Jay Freeman (saurik)
+*/
+
+/* GNU General Public License, Version 3 {{{ */
+/*
+ * Cydia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
+ *
+ * Cydia is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cydia. If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#include "CyteKit/UCPlatform.h"
+
#include <cstdio>
#include <cstdlib>
#include <launch.h>
+#include <sys/stat.h>
+
#include <Menes/Function.h>
+struct timeval _ltv;
+bool _itv;
+
typedef Function<void, const char *, launch_data_t> LaunchDataIterator;
void launch_data_dict_iterate(launch_data_t data, LaunchDataIterator code) {
}
int main(int argc, char *argv[]) {
- FILE *log(fopen("/tmp/cydia.log", "a+"));
- fprintf(log, "cydo:");
- for (int arg(1); arg < argc; ++arg)
- fprintf(log, " %s", argv[arg]);
- fprintf(log, "\n");
-
auto request(launch_data_new_string(LAUNCH_KEY_GETJOBS));
auto response(launch_msg(request));
launch_data_free(request);
_assert(response != NULL);
_assert(launch_data_get_type(response) == LAUNCH_DATA_DICTIONARY);
- int parent(getppid());
+ auto parent(getppid());
- bool cydia(false);
+ auto cydia(false);
+
+ struct stat correct;
+ if (lstat("/Applications/Cydia.app/Cydia", &correct) == -1) {
+ fprintf(stderr, "you have no arms left");
+ return EX_NOPERM;
+ }
launch_data_dict_iterate(response, [=, &cydia](const char *name, launch_data_t value) {
- if (launch_data_get_type(response) != LAUNCH_DATA_DICTIONARY)
+ if (launch_data_get_type(value) != LAUNCH_DATA_DICTIONARY)
return;
auto integer(launch_data_dict_lookup(value, LAUNCH_JOBKEY_PID));
if (pid != parent)
return;
+ auto variables(launch_data_dict_lookup(value, LAUNCH_JOBKEY_ENVIRONMENTVARIABLES));
+ if (variables != NULL && launch_data_get_type(variables) == LAUNCH_DATA_DICTIONARY) {
+ auto dyld(false);
+
+ launch_data_dict_iterate(variables, [&dyld](const char *name, launch_data_t value) {
+ if (strncmp(name, "DYLD_", 5) == 0)
+ dyld = true;
+ });
+
+ if (dyld)
+ return;
+ }
+
auto string(launch_data_dict_lookup(value, LAUNCH_JOBKEY_PROGRAM));
- if (string == NULL || launch_data_get_type(string) != LAUNCH_DATA_STRING)
- return;
+ if (string == NULL || launch_data_get_type(string) != LAUNCH_DATA_STRING) {
+ auto array(launch_data_dict_lookup(value, LAUNCH_JOBKEY_PROGRAMARGUMENTS));
+ if (array == NULL || launch_data_get_type(array) != LAUNCH_DATA_ARRAY)
+ return;
+ if (launch_data_array_get_count(array) == 0)
+ return;
+
+ string = launch_data_array_get_index(array, 0);
+ if (string == NULL || launch_data_get_type(string) != LAUNCH_DATA_STRING)
+ return;
+ }
auto program(launch_data_get_string(string));
if (program == NULL)
return;
- fprintf(log, "%lld %s\n", pid, program);
- if (strcmp(program, "/Applications/Cydia.app/Cydia") == 0)
+ struct stat check;
+ if (lstat(program, &check) == -1)
+ return;
+
+ if (correct.st_dev == check.st_dev && correct.st_ino == check.st_ino)
cydia = true;
});
if (!cydia) {
- fprintf(stderr, "thou shalt not pass\n");
+ fprintf(stderr, "none shall pass\n");
return EX_NOPERM;
}
- fflush(log);
- fclose(log);
-
setuid(0);
setgid(0);