1 /* Copyright (c) 2014, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <openssl/base.h> 16 17 #include <memory> 18 #include <string> 19 #include <vector> 20 21 #include <errno.h> 22 #include <fcntl.h> 23 #include <stdint.h> 24 #include <string.h> 25 #include <sys/stat.h> 26 #include <sys/types.h> 27 #if defined(OPENSSL_WINDOWS) 28 #include <io.h> 29 #else 30 #include <unistd.h> 31 #endif 32 33 #include <openssl/bytestring.h> 34 #include <openssl/err.h> 35 #include <openssl/pem.h> 36 #include <openssl/pkcs8.h> 37 #include <openssl/stack.h> 38 39 #include "../crypto/internal.h" 40 #include "internal.h" 41 42 43 #if defined(OPENSSL_WINDOWS) 44 typedef int read_result_t; 45 #else 46 typedef ssize_t read_result_t; 47 #endif 48 49 static const struct argument kArguments[] = { 50 { 51 "-dump", kOptionalArgument, 52 "Dump the key and contents of the given file to stdout", 53 }, 54 { 55 "", kOptionalArgument, "", 56 }, 57 }; 58 59 bool DoPKCS12(const std::vector<std::string> &args) { 60 std::map<std::string, std::string> args_map; 61 62 if (!ParseKeyValueArguments(&args_map, args, kArguments) || 63 args_map["-dump"].empty()) { 64 PrintUsage(kArguments); 65 return false; 66 } 67 68 int fd = BORINGSSL_OPEN(args_map["-dump"].c_str(), O_RDONLY); 69 if (fd < 0) { 70 perror("open"); 71 return false; 72 } 73 74 struct stat st; 75 if (fstat(fd, &st)) { 76 perror("fstat"); 77 BORINGSSL_CLOSE(fd); 78 return false; 79 } 80 const size_t size = st.st_size; 81 82 std::unique_ptr<uint8_t[]> contents(new uint8_t[size]); 83 read_result_t n; 84 size_t off = 0; 85 do { 86 n = BORINGSSL_READ(fd, &contents[off], size - off); 87 if (n >= 0) { 88 off += static_cast<size_t>(n); 89 } 90 } while ((n > 0 && off < size) || (n == -1 && errno == EINTR)); 91 92 if (off != size) { 93 perror("read"); 94 BORINGSSL_CLOSE(fd); 95 return false; 96 } 97 98 BORINGSSL_CLOSE(fd); 99 100 printf("Enter password: "); 101 fflush(stdout); 102 103 char password[256]; 104 off = 0; 105 do { 106 n = BORINGSSL_READ(0, &password[off], sizeof(password) - 1 - off); 107 if (n >= 0) { 108 off += static_cast<size_t>(n); 109 } 110 } while ((n > 0 && OPENSSL_memchr(password, '\n', off) == NULL && 111 off < sizeof(password) - 1) || 112 (n == -1 && errno == EINTR)); 113 114 char *newline = reinterpret_cast<char *>(OPENSSL_memchr(password, '\n', off)); 115 if (newline == NULL) { 116 return false; 117 } 118 *newline = 0; 119 120 CBS pkcs12; 121 CBS_init(&pkcs12, contents.get(), size); 122 123 EVP_PKEY *key; 124 bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null()); 125 126 if (!PKCS12_get_key_and_certs(&key, certs.get(), &pkcs12, password)) { 127 fprintf(stderr, "Failed to parse PKCS#12 data:\n"); 128 ERR_print_errors_fp(stderr); 129 return false; 130 } 131 bssl::UniquePtr<EVP_PKEY> key_owned(key); 132 133 if (key != NULL) { 134 PEM_write_PrivateKey(stdout, key, NULL, NULL, 0, NULL, NULL); 135 } 136 137 for (size_t i = 0; i < sk_X509_num(certs.get()); i++) { 138 PEM_write_X509(stdout, sk_X509_value(certs.get(), i)); 139 } 140 141 return true; 142 } 143
