| | 1 | /* Cycript - Optimizing JavaScript Compiler/Runtime |
| | 2 | * Copyright (C) 2009-2013 Jay Freeman (saurik) |
| | 3 | */ |
| | 4 | |
| | 5 | /* GNU General Public License, Version 3 {{{ */ |
| | 6 | /* |
| | 7 | * Cycript is free software: you can redistribute it and/or modify |
| | 8 | * it under the terms of the GNU General Public License as published |
| | 9 | * by the Free Software Foundation, either version 3 of the License, |
| | 10 | * or (at your option) any later version. |
| | 11 | * |
| | 12 | * Cycript is distributed in the hope that it will be useful, but |
| | 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 15 | * GNU General Public License for more details. |
| | 16 | * |
| | 17 | * You should have received a copy of the GNU General Public License |
| | 18 | * along with Cycript. If not, see <http://www.gnu.org/licenses/>. |
| | 19 | **/ |
| | 20 | /* }}} */ |
| | 21 | |
| | 22 | #include <cstring> |
| | 23 | |
| | 24 | #include <stdint.h> |
| | 25 | |
| | 26 | #include <dlfcn.h> |
| | 27 | #include <syslog.h> |
| | 28 | #include <unistd.h> |
| | 29 | |
| | 30 | #include <mach-o/dyld.h> |
| | 31 | |
| | 32 | extern "C" void CYHandleServer(pid_t pid, char *data, size_t size) { |
| | 33 | Dl_info addr; |
| | 34 | if (dladdr(reinterpret_cast<void *>(&CYHandleServer), &addr) == 0) |
| | 35 | return; |
| | 36 | |
| | 37 | const char *fname(addr.dli_fname); |
| | 38 | size_t length(strlen(fname)); |
| | 39 | |
| | 40 | const char *target; |
| | 41 | #ifdef __APPLE__ |
| | 42 | // XXX: THIS IS HORRIBLE OMG I NEED TO FIX THIS ASAP |
| | 43 | bool simulator(false); |
| | 44 | for (uint32_t i(0), e(_dyld_image_count()); i != e; ++i) { |
| | 45 | if (strstr(_dyld_get_image_name(i), "/SDKs/iPhoneSimulator") != NULL) |
| | 46 | simulator = true; |
| | 47 | } |
| | 48 | if (simulator) |
| | 49 | target = "sim"; |
| | 50 | else |
| | 51 | #endif |
| | 52 | // someone threw a fit about dangling #endif + else |
| | 53 | // the idea that this bothers someone gives me glee |
| | 54 | target = "sys"; |
| | 55 | |
| | 56 | char library[length + 1]; |
| | 57 | memcpy(library, fname, length); |
| | 58 | memcpy(library + length - 6 - 3, target, 3); |
| | 59 | library[length] = '\0'; |
| | 60 | |
| | 61 | void *handle(dlopen(library, RTLD_LOCAL | RTLD_LAZY)); |
| | 62 | if (handle == NULL) { |
| | 63 | strlcpy(data, dlerror(), size); |
| | 64 | return; |
| | 65 | } |
| | 66 | |
| | 67 | void *symbol(dlsym(handle, "CYHandleServer")); |
| | 68 | if (symbol == NULL) { |
| | 69 | strlcpy(data, dlerror(), size); |
| | 70 | return; |
| | 71 | } |
| | 72 | |
| | 73 | reinterpret_cast<void (*)(pid_t)>(symbol)(pid); |
| | 74 | } |
projects / cycript.git / blame_incremental