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
DoPKCS12(const std::vector<std::string> & args)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