costan / zergsupport

Click here to lend your support to: zergsupport and make a donation at www.pledgie.com !

Toolkit for iPhone OS applications that communicate with Web services

This URL has Read+Write access

zergsupport / ZergSupport / CryptoSupport / ZNDebugIntegrity.m
raw normal view history
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 1 //
2 // ZNDebugIntegrity.h
3 // ZergSupport
4 //
5 // Created by Victor Costan on 5/12/09.
4c1f4638 » costan 2009-05-24 Updates for StockPlay 0.5. 6 // Copyright Zergling.Net. Licensed under the MIT license.
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 7 //
8
9 #import <dlfcn.h>
10 #import <sys/types.h>
11
12 #import <Foundation/Foundation.h>
13 #import <TargetConditionals.h>
14
15
16 // The iPhone SDK doesn't have <sys/ptrace.h>, but it does have ptrace, and it
17 // works just fine.
18 typedef int (*ptrace_ptr_t)(int _request, pid_t _pid, caddr_t _addr, int _data);
19 #if !defined(PT_DENY_ATTACH)
4c1f4638 » costan 2009-05-24 Updates for StockPlay 0.5. 20 #define PT_DENY_ATTACH 31
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 21 #endif // !defined(PT_DENY_ATTACH)
22
23
24 void ZNDebugIntegrity() {
4c1f4638 » costan 2009-05-24 Updates for StockPlay 0.5. 25 // If all assertions are enabled, we're in a legitimate debug build.
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 26 #if TARGET_IPHONE_SIMULATOR || defined(DEBUG) || (!defined(NS_BLOCK_ASSERTIONS) && !defined(NDEBUG))
27 return;
28 #endif
4c1f4638 » costan 2009-05-24 Updates for StockPlay 0.5. 29
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 30 // Lame obfuscation of the string "ptrace".
31 char* ptrace_root = "socket";
32 char ptrace_name[] = {0xfd, 0x05, 0x0f, 0xf6, 0xfe, 0xf1, 0x00};
33 for (size_t i = 0; i < sizeof(ptrace_name); i++) {
34 ptrace_name[i] += ptrace_root[i];
35 }
4c1f4638 » costan 2009-05-24 Updates for StockPlay 0.5. 36
1adc8c69 » costan 2009-05-13 Set literals in JSON parsin... 37 void* handle = dlopen(0, RTLD_GLOBAL | RTLD_NOW);
38 ptrace_ptr_t ptrace_ptr = dlsym(handle, ptrace_name);
39 ptrace_ptr(PT_DENY_ATTACH, 0, 0, 0);
40 dlclose(handle);
41 }