#include <launch.h>
+#include <sys/stat.h>
+
#include <Menes/Function.h>
typedef Function<void, const char *, launch_data_t> LaunchDataIterator;
}
int main(int argc, char *argv[]) {
- auto 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);
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) {
auto array(launch_data_dict_lookup(value, LAUNCH_JOBKEY_PROGRAMARGUMENTS));
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);