1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <elf.h> 30 #include <fcntl.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <sys/stat.h> 34 #include <sys/types.h> 35 #include <unistd.h> 36 37 #include <string> 38 39 void usage(const char* me) { 40 static const char* usage_s = "Usage:\n" 41 " %s /system/bin/app_process <args>\n" 42 "or, better:\n" 43 " setprop wrap.<nicename> %s\n"; 44 fprintf(stderr, usage_s, me, me); 45 exit(1); 46 } 47 48 int main(int argc, char** argv) { 49 if (argc < 2) { 50 usage(argv[0]); 51 } 52 char** args = new char*[argc]; 53 // If we are wrapping app_process, replace it with app_process_asan. 54 // TODO(eugenis): rewrite to <dirname>/asan/<basename>, if exists? 55 if (strcmp(argv[1], "/system/bin/app_process") == 0) { 56 args[0] = (char*)"/system/bin/asan/app_process"; 57 } else if (strcmp(argv[1], "/system/bin/app_process32") == 0) { 58 args[0] = (char*)"/system/bin/asan/app_process32"; 59 } else if (strcmp(argv[1], "/system/bin/app_process64") == 0) { 60 args[0] = (char*)"/system/bin/asan/app_process64"; 61 } else { 62 args[0] = argv[1]; 63 } 64 65 for (int i = 1; i < argc - 1; ++i) 66 args[i] = argv[i + 1]; 67 args[argc - 1] = 0; 68 69 for (int i = 0; i < argc - 1; ++i) 70 printf("argv[%d] = %s\n", i, args[i]); 71 72 execv(args[0], args); 73 } 74
