diff options
Diffstat (limited to 'modules/libmar/tool')
| -rw-r--r-- | modules/libmar/tool/mar.c | 446 | ||||
| -rw-r--r-- | modules/libmar/tool/moz.build | 72 |
2 files changed, 518 insertions, 0 deletions
diff --git a/modules/libmar/tool/mar.c b/modules/libmar/tool/mar.c new file mode 100644 index 0000000000..a5cf7ba6eb --- /dev/null +++ b/modules/libmar/tool/mar.c @@ -0,0 +1,446 @@ +/* -*- 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; + } +} diff --git a/modules/libmar/tool/moz.build b/modules/libmar/tool/moz.build new file mode 100644 index 0000000000..b2772544d5 --- /dev/null +++ b/modules/libmar/tool/moz.build @@ -0,0 +1,72 @@ +# -*- 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 += [ + "/other-licenses/nsis/Contrib/CityHash/cityhash/city.cpp", + "mar.c", +] + +HostProgram("mar") + +HOST_USE_LIBS += [ + "hostmar", +] + +if CONFIG["HOST_OS_ARCH"] == "WINNT": + HOST_OS_LIBS += [ + "ws2_32", + ] + +# C11 for static_assert +c11_flags = ["-std=gnu11"] +if CONFIG["CC_TYPE"] == "clang-cl": + c11_flags.insert(0, "-Xclang") +HOST_CFLAGS += c11_flags + +HOST_DEFINES["NO_SIGN_VERIFY"] = True + +if CONFIG["MOZ_BUILD_APP"] != "tools/update-packaging": + Program("signmar") + + SOURCES += HOST_SOURCES + + CFLAGS += c11_flags + + USE_LIBS += [ + "mar", + "nspr", + "nss", + "signmar", + "verifymar", + ] + + if CONFIG["MOZ_USE_NSS_FOR_MAR"]: + DEFINES["MAR_NSS"] = True + + if CONFIG["OS_ARCH"] == "WINNT": + USE_STATIC_LIBS = True + + OS_LIBS += [ + "ws2_32", + ] + if not CONFIG["MOZ_USE_NSS_FOR_MAR"]: + OS_LIBS += [ + "crypt32", + "advapi32", + ] + elif CONFIG["OS_ARCH"] == "Darwin" and not CONFIG["MOZ_USE_NSS_FOR_MAR"]: + OS_LIBS += [ + "-framework CoreFoundation", + "-framework Security", + ] + + DisableStlWrapping() + + +for var in ("MAR_CHANNEL_ID", "MOZ_APP_VERSION"): + HOST_DEFINES[var] = '"%s"' % CONFIG[var] + if SOURCES: + DEFINES[var] = HOST_DEFINES[var] |