| /* Copyright (c) 2014, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <openssl/base.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdint.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #if defined(OPENSSL_WINDOWS) |
| #include <io.h> |
| #else |
| #include <unistd.h> |
| #endif |
| |
| #include <openssl/bytestring.h> |
| #include <openssl/pem.h> |
| #include <openssl/pkcs8.h> |
| #include <openssl/stack.h> |
| |
| #include "internal.h" |
| |
| |
| #if defined(OPENSSL_WINDOWS) |
| typedef int read_result_t; |
| #else |
| typedef ssize_t read_result_t; |
| #endif |
| |
| static const struct argument kArguments[] = { |
| { |
| "-dump", false, "Dump the key and contents of the given file to stdout", |
| }, |
| { |
| "", false, "", |
| }, |
| }; |
| |
| bool DoPKCS12(const std::vector<std::string> &args) { |
| std::map<std::string, std::string> args_map; |
| |
| if (!ParseKeyValueArguments(&args_map, args, kArguments) || |
| args_map["-dump"].empty()) { |
| PrintUsage(kArguments); |
| return false; |
| } |
| |
| int fd = open(args_map["-dump"].c_str(), O_RDONLY); |
| if (fd < 0) { |
| perror("open"); |
| return false; |
| } |
| |
| struct stat st; |
| if (fstat(fd, &st)) { |
| perror("fstat"); |
| close(fd); |
| return false; |
| } |
| const size_t size = st.st_size; |
| |
| std::unique_ptr<uint8_t[]> contents(new uint8_t[size]); |
| read_result_t n; |
| size_t off = 0; |
| do { |
| n = read(fd, &contents[off], size - off); |
| if (n >= 0) { |
| off += static_cast<size_t>(n); |
| } |
| } while ((n > 0 && off < size) || (n == -1 && errno == EINTR)); |
| |
| if (off != size) { |
| perror("read"); |
| close(fd); |
| return false; |
| } |
| |
| close(fd); |
| |
| printf("Enter password: "); |
| fflush(stdout); |
| |
| char password[256]; |
| off = 0; |
| do { |
| n = read(0, &password[off], sizeof(password) - 1 - off); |
| if (n >= 0) { |
| off += static_cast<size_t>(n); |
| } |
| } while ((n > 0 && memchr(password, '\n', off) == NULL && |
| off < sizeof(password) - 1) || |
| (n == -1 && errno == EINTR)); |
| |
| char *newline = reinterpret_cast<char*>(memchr(password, '\n', off)); |
| if (newline == NULL) { |
| return false; |
| } |
| *newline = 0; |
| |
| CBS pkcs12; |
| CBS_init(&pkcs12, contents.get(), size); |
| |
| EVP_PKEY *key; |
| STACK_OF(X509) *certs = sk_X509_new_null(); |
| |
| if (!PKCS12_get_key_and_certs(&key, certs, &pkcs12, password)) { |
| fprintf(stderr, "Failed to parse PKCS#12 data:\n"); |
| BIO_print_errors_fp(stderr); |
| return false; |
| } |
| |
| PEM_write_PrivateKey(stdout, key, NULL, NULL, 0, NULL, NULL); |
| EVP_PKEY_free(key); |
| |
| for (size_t i = 0; i < sk_X509_num(certs); i++) { |
| PEM_write_X509(stdout, sk_X509_value(certs, i)); |
| } |
| sk_X509_pop_free(certs, X509_free); |
| |
| return true; |
| } |