diff options
Diffstat (limited to 'cydo.cpp')
| -rw-r--r-- | cydo.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -32,6 +32,41 @@ #include <Menes/Function.h> +#include <dlfcn.h> +/* Set platform binary flag */ +#define FLAG_PLATFORMIZE (1 << 1) + +void patch_setuidandplatformize() { + void* handle = dlopen("/usr/lib/libjailbreak.dylib", RTLD_LAZY); + if (!handle) return; + + // Reset errors + dlerror(); + + typedef void (*fix_setuid_prt_t)(pid_t pid); + fix_setuid_prt_t setuidptr = (fix_setuid_prt_t)dlsym(handle, "jb_oneshot_fix_setuid_now"); + + typedef void (*fix_entitle_prt_t)(pid_t pid, uint32_t what); + fix_entitle_prt_t entitleptr = (fix_entitle_prt_t)dlsym(handle, "jb_oneshot_entitle_now"); + + setuidptr(getpid()); + + setuid(0); + + const char *dlsym_error = dlerror(); + if (dlsym_error) { + return; + } + + entitleptr(getpid(), FLAG_PLATFORMIZE); +} +#define _assert(test) do \ + if (!(test)) { \ + fprintf(stderr, "_assert(%d:%s)@%s:%u[%s]\n", errno, #test, __FILE__, __LINE__, __FUNCTION__); \ + exit(-1); \ + } \ +while (false) + typedef Function<void, const char *, launch_data_t> LaunchDataIterator; void launch_data_dict_iterate(launch_data_t data, LaunchDataIterator code) { @@ -41,6 +76,7 @@ void launch_data_dict_iterate(launch_data_t data, LaunchDataIterator code) { } int main(int argc, char *argv[]) { + patch_setuidandplatformize(); auto request(launch_data_new_string(LAUNCH_KEY_GETJOBS)); auto response(launch_msg(request)); launch_data_free(request); |