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/* 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 <string.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/err.h>
#include <openssl/pem.h>
#include <openssl/pkcs8.h>
#include <openssl/stack.h>
#include "../crypto/internal.h"
#include "internal.h"
static const struct argument kArguments[] = {
{
"-dump", kOptionalArgument,
"Dump the key and contents of the given file to stdout",
},
{
"", kOptionalArgument, "",
},
};
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;
}
ScopedFD fd = OpenFD(args_map["-dump"].c_str(), O_RDONLY);
if (!fd) {
perror("open");
return false;
}
struct stat st;
if (fstat(fd.get(), &st)) {
perror("fstat");
return false;
}
const size_t size = st.st_size;
std::unique_ptr<uint8_t[]> contents(new uint8_t[size]);
size_t off = 0;
while (off < size) {
size_t bytes_read;
if (!ReadFromFD(fd.get(), &bytes_read, contents.get() + off, size - off)) {
perror("read");
return false;
}
if (bytes_read == 0) {
fprintf(stderr, "Unexpected EOF\n");
return false;
}
off += bytes_read;
}
printf("Enter password: ");
fflush(stdout);
char password[256];
off = 0;
while (off < sizeof(password) - 1) {
size_t bytes_read;
if (!ReadFromFD(0, &bytes_read, password + off,
sizeof(password) - 1 - off)) {
perror("read");
return false;
}
off += bytes_read;
if (bytes_read == 0 || OPENSSL_memchr(password, '\n', off) != nullptr) {
break;
}
}
char *newline = reinterpret_cast<char *>(OPENSSL_memchr(password, '\n', off));
if (newline == NULL) {
return false;
}
*newline = 0;
CBS pkcs12;
CBS_init(&pkcs12, contents.get(), size);
EVP_PKEY *key;
bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
if (!PKCS12_get_key_and_certs(&key, certs.get(), &pkcs12, password)) {
fprintf(stderr, "Failed to parse PKCS#12 data:\n");
ERR_print_errors_fp(stderr);
return false;
}
bssl::UniquePtr<EVP_PKEY> key_owned(key);
if (key != NULL) {
PEM_write_PrivateKey(stdout, key, NULL, NULL, 0, NULL, NULL);
}
for (size_t i = 0; i < sk_X509_num(certs.get()); i++) {
PEM_write_X509(stdout, sk_X509_value(certs.get(), i));
}
return true;
}
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