+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2013 Jay Freeman (saurik)
+*/
+
+/* GNU General Public License, Version 3 {{{ */
+/*
+ * Cycript 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.
+ *
+ * Cycript 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 Cycript. If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#include <cstring>
+
+#include <stdint.h>
+
+#include <dlfcn.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#include <mach-o/dyld.h>
+
+extern "C" void CYHandleServer(pid_t pid) {
+ Dl_info addr;
+ if (dladdr(reinterpret_cast<void *>(&CYHandleServer), &addr) == 0)
+ return;
+
+ const char *fname(addr.dli_fname);
+ size_t length(strlen(fname));
+
+ const char *ext(strrchr(fname, '.'));
+ size_t prefix(ext - fname);
+
+ const char *addition;
+#ifdef __APPLE__
+ // XXX: THIS IS HORRIBLE OMG I NEED TO FIX THIS ASAP
+ bool simulator(false);
+ for (uint32_t i(0), e(_dyld_image_count()); i != e; ++i) {
+ if (strstr(_dyld_get_image_name(i), "/SDKs/iPhoneSimulator") != NULL)
+ simulator = true;
+ }
+ if (simulator)
+ addition = "-sim";
+ else
+#endif
+ // someone threw a fit about dangling #endif + else
+ // the idea that this bothers someone gives me glee
+ addition = "-sys";
+
+ char library[length + 5];
+ memcpy(library, fname, prefix);
+ memcpy(library + prefix, addition, 4);
+ memcpy(library + prefix + 4, fname + prefix, length - prefix);
+ library[length + 4] = '\0';
+
+ void *handle(dlopen(library, RTLD_LOCAL | RTLD_LAZY));
+ if (handle == NULL) {
+ syslog(LOG_ERR, "dlopen() -> %s", dlerror());
+ return;
+ }
+
+ void *symbol(dlsym(handle, "CYHandleServer"));
+ if (symbol == NULL)
+ return;
+
+ reinterpret_cast<void (*)(pid_t)>(symbol)(pid);
+}
projects / cycript.git / commitdiff
