/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mar.h"
#include "mar_cmdline.h"
#ifdef XP_WIN
# include <windows.h>
# include <direct.h>
# define chdir _chdir
#else
# include <unistd.h>
#endif
#if !
defined(NO_SIGN_VERIFY) &&
defined(MAR_NSS)
# include
"cert.h"
# include
"nss.h"
# include
"pk11pub.h"
int NSSInitCryptoContext(
const char* NSSConfigDir);
#endif
int mar_repackage_and_sign(
const char* NSSConfigDir,
const char*
const* certNames, uint32_t certCount,
const char* src,
const char* dest);
static void print_version() {
printf(
"Version: %s\n", MOZ_APP_VERSION);
printf(
"Default Channel ID: %s\n", MAR_CHANNEL_ID);
}
static void print_usage() {
printf(
"usage:\n");
printf(
"Create a MAR file:\n");
printf(
" mar -H MARChannelID -V ProductVersion [-C workingDir] "
"-c archive.mar [files...]\n");
printf(
"Extract a MAR file:\n");
printf(
" mar [-C workingDir] -x archive.mar\n");
#ifndef NO_SIGN_VERIFY
printf(
"Sign a MAR file:\n");
printf(
" mar [-C workingDir] -d NSSConfigDir -n certname -s "
"archive.mar out_signed_archive.mar\n");
printf(
"Strip a MAR signature:\n");
printf(
" mar [-C workingDir] -r "
"signed_input_archive.mar output_archive.mar\n");
printf(
"Extract a MAR signature:\n");
printf(
" mar [-C workingDir] -n(i) -X "
"signed_input_archive.mar base_64_encoded_signature_file\n");
printf(
"Import a MAR signature:\n");
printf(
" mar [-C workingDir] -n(i) -I "
"signed_input_archive.mar base_64_encoded_signature_file "
"changed_signed_output.mar\n");
printf(
"(i) is the index of the certificate to extract\n");
# if !
defined(MAR_NSS)
printf(
"Verify a MAR file:\n");
printf(
" mar [-C workingDir] -D DERFilePath -v signed_archive.mar\n");
printf(
"At most %d signature certificate DER files are specified by "
"-D0 DERFilePath1 -D1 DERFilePath2, ...\n",
MAX_SIGNATURES);
# else
printf(
"Verify a MAR file:\n");
printf(
" mar [-C workingDir] -d NSSConfigDir -n certname "
"-v signed_archive.mar\n");
printf(
"At most %d signature certificate names are specified by "
"-n0 certName -n1 certName2, ...\n",
MAX_SIGNATURES);
# endif
printf(
"At most %d verification certificate names are specified by "
"-n0 certName -n1 certName2, ...\n",
MAX_SIGNATURES);
#endif
printf(
"Print information on a MAR file:\n");
printf(
" mar -t archive.mar\n");
printf(
"Print detailed information on a MAR file including signatures:\n");
printf(
" mar -T archive.mar\n");
printf(
"Refresh the product information block of a MAR file:\n");
printf(
" mar -H MARChannelID -V ProductVersion [-C workingDir] "
"-i unsigned_archive_to_refresh.mar\n");
printf(
"Print executable version:\n");
printf(
" mar --version\n");
printf(
"This program does not handle unicode file paths properly\n");
}
static int mar_test_callback(MarFile* mar,
const MarItem* item,
void* unused) {
printf(
"%u\t0%o\t%s\n", item->length, item->flags, item->name);
return 0;
}
static int mar_test(
const char* path) {
MarFile* mar;
MarReadResult result = mar_open(path, &mar);
if (result != MAR_READ_SUCCESS) {
return -
1;
}
printf(
"SIZE\tMODE\tNAME\n");
mar_enum_items(mar, mar_test_callback, NULL);
mar_close(mar);
return 0;
}
int main(
int argc,
char** argv) {
const char* certNames[MAX_SIGNATURES];
char* MARChannelID = NULL;
char* productVersion = NULL;
int rv = -
1;
#if !
defined(NO_SIGN_VERIFY)
char* NSSConfigDir = NULL;
uint32_t k;
uint32_t certCount =
0;
int32_t sigIndex = -
1;
uint32_t fileSizes[MAX_SIGNATURES];
const uint8_t* certBuffers[MAX_SIGNATURES];
# if !
defined(MAR_NSS)
char* DERFilePaths[MAX_SIGNATURES];
# else
CERTCertificate* certs[MAX_SIGNATURES];
# endif
#endif
memset((
void*)certNames,
0,
sizeof(certNames));
#if !
defined(NO_SIGN_VERIFY)
memset(fileSizes,
0,
sizeof(fileSizes));
memset((
void*)certBuffers,
0,
sizeof(certBuffers));
# if !
defined(MAR_NSS)
memset(DERFilePaths,
0,
sizeof(DERFilePaths));
# else
memset(certs,
0,
sizeof(certs));
# endif
#endif
if (argc >
1 &&
0 == strcmp(argv[
1],
"--version")) {
print_version();
return 0;
}
if (argc <
3) {
print_usage();
return -
1;
}
while (argc >
0) {
if (argv[
1][
0] ==
'-' &&
(argv[
1][
1] ==
'c' || argv[
1][
1] ==
't' || argv[
1][
1] ==
'x' ||
argv[
1][
1] ==
'v' || argv[
1][
1] ==
's' || argv[
1][
1] ==
'i' ||
argv[
1][
1] ==
'T' || argv[
1][
1] ==
'r' || argv[
1][
1] ==
'X' ||
argv[
1][
1] ==
'I')) {
break;
/* -C workingdirectory */
}
if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'C') {
if (chdir(argv[
2]) !=
0) {
return -
1;
}
argv +=
2;
argc -=
2;
}
#if !
defined(NO_SIGN_VERIFY)
# if !
defined(MAR_NSS)
/* -D DERFilePath, also matches -D[index] DERFilePath
We allow an index for verifying to be symmetric
with the import and export command line arguments. */
else if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'D' &&
(argv[
1][
2] == (
char)(
'0' + certCount) || argv[
1][
2] ==
'\0')) {
if (certCount >= MAX_SIGNATURES) {
print_usage();
return -
1;
}
DERFilePaths[certCount++] = argv[
2];
argv +=
2;
argc -=
2;
}
# endif
/* -d NSSConfigdir */
else if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'd') {
NSSConfigDir = argv[
2];
argv +=
2;
argc -=
2;
/* -n certName, also matches -n[index] certName
We allow an index for verifying to be symmetric
with the import and export command line arguments. */
}
else if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'n' &&
(argv[
1][
2] == (
char)(
'0' + certCount) || argv[
1][
2] ==
'\0' ||
!strcmp(argv[
2],
"-X") || !strcmp(argv[
2],
"-I"))) {
if (certCount >= MAX_SIGNATURES) {
print_usage();
return -
1;
}
certNames[certCount++] = argv[
2];
if (strlen(argv[
1]) >
2 &&
(!strcmp(argv[
2],
"-X") || !strcmp(argv[
2],
"-I")) &&
argv[
1][
2] >=
'0' && argv[
1][
2] <=
'9') {
sigIndex = argv[
1][
2] -
'0';
argv++;
argc--;
}
else {
argv +=
2;
argc -=
2;
}
}
#endif
else if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'H') {
// MAR channel ID
MARChannelID = argv[
2];
argv +=
2;
argc -=
2;
}
else if (argv[
1][
0] ==
'-' && argv[
1][
1] ==
'V') {
// Product Version
productVersion = argv[
2];
argv +=
2;
argc -=
2;
}
else {
print_usage();
return -
1;
}
}
if (argv[
1][
0] !=
'-') {
print_usage();
return -
1;
}
switch (argv[
1][
1]) {
case 'c': {
struct ProductInformationBlock infoBlock;
if (!productVersion) {
fprintf(stderr,
"ERROR: Version not specified (pass `-V <version>`).\n");
return -
1;
}
if (!MARChannelID) {
fprintf(stderr,
"ERROR: MAR channel ID not specified (pass `-H "
"<mar-channel-id>`).\n");
return -
1;
}
infoBlock.MARChannelID = MARChannelID;
infoBlock.productVersion = productVersion;
return mar_create(argv[
2], argc -
3, argv +
3, &infoBlock);
}
case 'i': {
if (!productVersion) {
fprintf(stderr,
"ERROR: Version not specified (pass `-V <version>`).\n");
return -
1;
}
if (!MARChannelID) {
fprintf(stderr,
"ERROR: MAR channel ID not specified (pass `-H "
"<mar-channel-id>`).\n");
return -
1;
}
struct ProductInformationBlock infoBlock;
infoBlock.MARChannelID = MARChannelID;
infoBlock.productVersion = productVersion;
return refresh_product_info_block(argv[
2], &infoBlock);
}
case 'T': {
struct ProductInformationBlock infoBlock;
uint32_t numSignatures, numAdditionalBlocks;
int hasSignatureBlock, hasAdditionalBlock;
if (!get_mar_file_info(argv[
2], &hasSignatureBlock, &numSignatures,
&hasAdditionalBlock, NULL, &numAdditionalBlocks)) {
if (hasSignatureBlock) {
printf(
"Signature block found with %d signature%s\n", numSignatures,
numSignatures !=
1 ?
"s" :
"");
}
if (hasAdditionalBlock) {
printf(
"%d additional block%s found:\n", numAdditionalBlocks,
numAdditionalBlocks !=
1 ?
"s" :
"");
}
rv = read_product_info_block(argv[
2], &infoBlock);
if (!rv) {
printf(
" - Product Information Block:\n");
printf(
" - MAR channel name: %s\n"
" - Product version: %s\n",
infoBlock.MARChannelID, infoBlock.productVersion);
free((
void*)infoBlock.MARChannelID);
free((
void*)infoBlock.productVersion);
}
}
printf(
"\n");
/* The fall through from 'T' to 't' is intentional */
}
case 't':
return mar_test(argv[
2]);
case 'x':
// Extract a MAR file
return mar_extract(argv[
2]);
#ifndef NO_SIGN_VERIFY
case 'X':
// Extract a MAR signature
if (sigIndex == -
1) {
fprintf(stderr,
"ERROR: Signature index was not passed.\n");
return -
1;
}
if (sigIndex >= MAX_SIGNATURES || sigIndex < -
1) {
fprintf(stderr,
"ERROR: Signature index is out of range: %d.\n",
sigIndex);
return -
1;
}
return extract_signature(argv[
2], sigIndex, argv[
3]);
case 'I':
// Import a MAR signature
if (sigIndex == -
1) {
fprintf(stderr,
"ERROR: signature index was not passed.\n");
return -
1;
}
if (sigIndex >= MAX_SIGNATURES || sigIndex < -
1) {
fprintf(stderr,
"ERROR: Signature index is out of range: %d.\n",
sigIndex);
return -
1;
}
if (argc <
5) {
print_usage();
return -
1;
}
return import_signature(argv[
2], sigIndex, argv[
3], argv[
4]);
case 'v':
if (certCount ==
0) {
print_usage();
return -
1;
}
# if defined(MAR_NSS)
if (!NSSConfigDir || certCount ==
0) {
print_usage();
return -
1;
}
if (NSSInitCryptoContext(NSSConfigDir)) {
fprintf(stderr,
"ERROR: Could not initialize crypto library.\n");
return -
1;
}
# endif
rv =
0;
for (k =
0; k < certCount; ++k) {
# if !
defined(MAR_NSS)
rv = mar_read_entire_file(DERFilePaths[k], MAR_MAX_CERT_SIZE,
&certBuffers[k], &fileSizes[k]);
if (rv) {
fprintf(stderr,
"ERROR: could not read file %s", DERFilePaths[k]);
break;
}
# else
/* It is somewhat circuitous to look up a CERTCertificate and then pass
* in its DER encoding just so we can later re-create that
* CERTCertificate to extract the public key out of it. However, by
* doing things this way, we maximize the reuse of the
* mar_verify_signatures function and also we keep the control flow as
* similar as possible between programs and operating systems, at least
* for the functions that are critically important to security.
*/
certs[k] = PK11_FindCertFromNickname(certNames[k], NULL);
if (certs[k]) {
certBuffers[k] = certs[k]->derCert.data;
fileSizes[k] = certs[k]->derCert.len;
}
else {
rv = -
1;
fprintf(stderr,
"ERROR: could not find cert from nickname %s",
certNames[k]);
break;
}
# endif
}
if (!rv) {
MarFile* mar;
MarReadResult result = mar_open(argv[
2], &mar);
if (result == MAR_READ_SUCCESS) {
rv = mar_verify_signatures(mar, certBuffers, fileSizes, certCount);
mar_close(mar);
}
else {
fprintf(stderr,
"ERROR: Could not open MAR file.\n");
rv = -
1;
}
}
for (k =
0; k < certCount; ++k) {
# if !
defined(MAR_NSS)
free((
void*)certBuffers[k]);
# else
/* certBuffers[k] is owned by certs[k] so don't free it */
CERT_DestroyCertificate(certs[k]);
# endif
}
if (rv) {
/* Determine if the source MAR file has the new fields for signing */
int hasSignatureBlock;
if (get_mar_file_info(argv[
2], &hasSignatureBlock, NULL, NULL, NULL,
NULL)) {
fprintf(stderr,
"ERROR: could not determine if MAR is old or new.\n");
}
else if (!hasSignatureBlock) {
fprintf(stderr,
"ERROR: The MAR file is in the old format so has"
" no signature to verify.\n");
}
}
# if defined(MAR_NSS)
(
void)NSS_Shutdown();
# endif
return rv ? -
1 :
0;
case 's':
if (!NSSConfigDir || certCount ==
0 || argc <
4) {
print_usage();
return -
1;
}
return mar_repackage_and_sign(NSSConfigDir, certNames, certCount, argv[
2],
argv[
3]);
case 'r':
return strip_signature_block(argv[
2], argv[
3]);
#endif /* endif NO_SIGN_VERIFY disabled */
default:
print_usage();
return -
1;
}
}