diff options
Diffstat (limited to 'modules/libmar/tool')
| -rw-r--r-- | modules/libmar/tool/mar.c | 426 | ||||
| -rw-r--r-- | modules/libmar/tool/moz.build | 61 |
2 files changed, 487 insertions, 0 deletions
diff --git a/modules/libmar/tool/mar.c b/modules/libmar/tool/mar.c new file mode 100644 index 000000000..f1dd76136 --- /dev/null +++ b/modules/libmar/tool/mar.c @@ -0,0 +1,426 @@ +/* -*- 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(XP_WIN) || 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(XP_MACOSX) || (defined(XP_WIN) && !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; + + mar = mar_open(path); + if (!mar) + 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) { + char *NSSConfigDir = NULL; + const char *certNames[MAX_SIGNATURES]; + char *MARChannelID = MAR_CHANNEL_ID; + char *productVersion = MOZ_APP_VERSION; + uint32_t k; + int rv = -1; + uint32_t certCount = 0; + int32_t sigIndex = -1; + +#if !defined(NO_SIGN_VERIFY) + uint32_t fileSizes[MAX_SIGNATURES]; + const uint8_t* certBuffers[MAX_SIGNATURES]; +#if ((!defined(MAR_NSS) && defined(XP_WIN)) || defined(XP_MACOSX)) || \ + ((defined(XP_WIN) || defined(XP_MACOSX)) && !defined(MAR_NSS)) + char* DERFilePaths[MAX_SIGNATURES]; +#endif +#if (!defined(XP_WIN) && !defined(XP_MACOSX)) || defined(MAR_NSS) + CERTCertificate* certs[MAX_SIGNATURES]; +#endif +#endif + + memset((void*)certNames, 0, sizeof(certNames)); +#if defined(XP_WIN) && !defined(MAR_NSS) && !defined(NO_SIGN_VERIFY) + memset((void*)certBuffers, 0, sizeof(certBuffers)); +#endif +#if !defined(NO_SIGN_VERIFY) && ((!defined(MAR_NSS) && defined(XP_WIN)) || \ + defined(XP_MACOSX)) + memset(DERFilePaths, 0, sizeof(DERFilePaths)); + memset(fileSizes, 0, sizeof(fileSizes)); +#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 */ + } else if (argv[1][0] == '-' && argv[1][1] == 'C') { + if (chdir(argv[2]) != 0) { + return -1; + } + argv += 2; + argc -= 2; + } +#if !defined(NO_SIGN_VERIFY) && ((!defined(MAR_NSS) && defined(XP_WIN)) || \ + defined(XP_MACOSX)) + /* -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; + } + /* MAR channel ID */ + } else if (argv[1][0] == '-' && argv[1][1] == 'H') { + MARChannelID = argv[2]; + argv += 2; + argc -= 2; + /* Product Version */ + } else if (argv[1][0] == '-' && argv[1][1] == 'V') { + 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; + infoBlock.MARChannelID = MARChannelID; + infoBlock.productVersion = productVersion; + return mar_create(argv[2], argc - 3, argv + 3, &infoBlock); + } + case 'i': { + 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]); + + /* Extract a MAR file */ + case 'x': + return mar_extract(argv[2]); + +#ifndef NO_SIGN_VERIFY + /* Extract a MAR signature */ + case 'X': + 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]); + + /* Import a MAR signature */ + case 'I': + 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(XP_WIN) && !defined(XP_MACOSX)) || 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(XP_WIN) || defined(XP_MACOSX)) && !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 = mar_open(argv[2]); + if (mar) { + 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(XP_WIN) || defined(XP_MACOSX)) && !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(XP_WIN) && !defined(XP_MACOSX)) || 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; + } +} diff --git a/modules/libmar/tool/moz.build b/modules/libmar/tool/moz.build new file mode 100644 index 000000000..05f31d918 --- /dev/null +++ b/modules/libmar/tool/moz.build @@ -0,0 +1,61 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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/. + +HOST_SOURCES += [ + 'mar.c', +] + +HostProgram('mar') + +HOST_USE_LIBS += [ + 'hostmar', +] + +if CONFIG['MOZ_ENABLE_SIGNMAR']: + Program('signmar') + + SOURCES += HOST_SOURCES + + USE_LIBS += [ + 'mar', + 'signmar', + 'verifymar', + ] + +for var in ('MAR_CHANNEL_ID', 'MOZ_APP_VERSION'): + DEFINES[var] = '"%s"' % CONFIG[var] + HOST_DEFINES[var] = DEFINES[var] + +if CONFIG['MOZ_ENABLE_SIGNMAR']: + USE_LIBS += [ + 'nspr', + 'nss', + ] +else: + DEFINES['NO_SIGN_VERIFY'] = True + +if CONFIG['OS_ARCH'] == 'WINNT': + USE_STATIC_LIBS = True + + OS_LIBS += [ + 'ws2_32', + ] + if CONFIG['MOZ_ENABLE_SIGNMAR']: + OS_LIBS += [ + 'crypt32', + 'advapi32', + ] +elif CONFIG['OS_ARCH'] == 'Darwin': + OS_LIBS += [ + '-framework Security', + ] + +if CONFIG['HOST_OS_ARCH'] == 'WINNT': + HOST_OS_LIBS += [ + 'ws2_32', + ] + +HOST_DEFINES['NO_SIGN_VERIFY'] = True |