- /* 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;
- }
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