diff options
Diffstat (limited to 'onlineupdate/source/update/updater/archivereader.cxx')
| -rw-r--r-- | onlineupdate/source/update/updater/archivereader.cxx | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/onlineupdate/source/update/updater/archivereader.cxx b/onlineupdate/source/update/updater/archivereader.cxx deleted file mode 100644 index d669211437e9..000000000000 --- a/onlineupdate/source/update/updater/archivereader.cxx +++ /dev/null @@ -1,349 +0,0 @@ -/* -*- 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 <string.h> -#include <stdlib.h> -#include <fcntl.h> -#include "bzlib.h" -#include "archivereader.h" -#include "errors.h" -#ifdef _WIN32 -#include "updatehelper.h" -#endif - -// These are generated at compile time based on the DER file for the channel -// being used -#ifdef VERIFY_MAR_SIGNATURE -#ifdef TEST_UPDATER -#include "../xpcshellCert.h" -#else -#include "onlineupdate/primaryCert.h" -#include "onlineupdate/secondaryCert.h" -#endif -#endif - -#if defined(_WIN32) -#define UPDATER_NO_STRING_GLUE_STL -#endif -#include "nsVersionComparator.h" -#undef UPDATER_NO_STRING_GLUE_STL - -#if defined(UNIX) -# include <sys/types.h> -#elif defined(_WIN32) -# include <io.h> -#endif - -static int inbuf_size = 262144; -static int outbuf_size = 262144; -static char *inbuf = nullptr; -static char *outbuf = nullptr; - -/** - * Performs a verification on the opened MAR file with the passed in - * certificate name ID and type ID. - * - * @param archive The MAR file to verify the signature on. - * @param certData The certificate data. - * @return OK on success, CERT_VERIFY_ERROR on failure. -*/ -template<uint32_t SIZE> -int -VerifyLoadedCert(MarFile *archive, const uint8_t (&certData)[SIZE]) -{ - (void)archive; - (void)certData; - -#ifdef VERIFY_MAR_SIGNATURE - const uint32_t size = SIZE; - const uint8_t* const data = &certData[0]; - if (mar_verify_signatures(archive, &data, &size, 1)) - { - return CERT_VERIFY_ERROR; - } -#endif - - return OK; -} - -/** - * Performs a verification on the opened MAR file. Both the primary and backup - * keys stored are stored in the current process and at least the primary key - * will be tried. Success will be returned as long as one of the two - * signatures verify. - * - * @return OK on success -*/ -int -ArchiveReader::VerifySignature() -{ - if (!mArchive) - { - return ARCHIVE_NOT_OPEN; - } - -#ifndef VERIFY_MAR_SIGNATURE - return OK; -#else -#ifdef TEST_UPDATER - int rv = VerifyLoadedCert(mArchive, xpcshellCertData); -#else - int rv = VerifyLoadedCert(mArchive, primaryCertData); - if (rv != OK) - { - rv = VerifyLoadedCert(mArchive, secondaryCertData); - } -#endif - return rv; -#endif -} - -/** - * Verifies that the MAR file matches the current product, channel, and version - * - * @param MARChannelID The MAR channel name to use, only updates from MARs - * with a matching MAR channel name will succeed. - * If an empty string is passed, no check will be done - * for the channel name in the product information block. - * If a comma separated list of values is passed then - * one value must match. - * @param appVersion The application version to use, only MARs with an - * application version >= to appVersion will be applied. - * @return OK on success - * COULD_NOT_READ_PRODUCT_INFO_BLOCK if the product info block - * could not be read. - * MARCHANNEL_MISMATCH_ERROR if update-settings.ini's MAR - * channel ID doesn't match the MAR - * file's MAR channel ID. - * VERSION_DOWNGRADE_ERROR if the application version for - * this updater is newer than the - * one in the MAR. - */ -int -ArchiveReader::VerifyProductInformation(const char *MARChannelID, - const char *appVersion) -{ - if (!mArchive) - { - return ARCHIVE_NOT_OPEN; - } - - ProductInformationBlock productInfoBlock; - int rv = mar_read_product_info_block(mArchive, - &productInfoBlock); - if (rv != OK) - { - return COULD_NOT_READ_PRODUCT_INFO_BLOCK_ERROR; - } - - // Only check the MAR channel name if specified, it should be passed in from - // the update-settings.ini file. - if (MARChannelID && strlen(MARChannelID)) - { - // Check for at least one match in the comma separated list of values. - const char *delimiter = " ,\t"; - // Make a copy of the string in case a read only memory buffer - // was specified. strtok modifies the input buffer. - char channelCopy[512] = { 0 }; - strncpy(channelCopy, MARChannelID, sizeof(channelCopy) - 1); - char *channel = strtok(channelCopy, delimiter); - rv = MAR_CHANNEL_MISMATCH_ERROR; - while (channel) - { - if (!strcmp(channel, productInfoBlock.MARChannelID)) - { - rv = OK; - break; - } - channel = strtok(nullptr, delimiter); - } - } - - if (rv == OK) - { - /* Compare both versions to ensure we don't have a downgrade - -1 if appVersion is older than productInfoBlock.productVersion - 1 if appVersion is newer than productInfoBlock.productVersion - 0 if appVersion is the same as productInfoBlock.productVersion - This even works with strings like: - - 12.0a1 being older than 12.0a2 - - 12.0a2 being older than 12.0b1 - - 12.0a1 being older than 12.0 - - 12.0 being older than 12.1a1 */ - int versionCompareResult = - mozilla::CompareVersions(appVersion, productInfoBlock.productVersion); - if (1 == versionCompareResult) - { - rv = VERSION_DOWNGRADE_ERROR; - } - } - - free((void *)productInfoBlock.MARChannelID); - free((void *)productInfoBlock.productVersion); - return rv; -} - -int -ArchiveReader::Open(const NS_tchar *path) -{ - if (mArchive) - Close(); - - if (!inbuf) - { - inbuf = (char *)malloc(inbuf_size); - if (!inbuf) - { - // Try again with a smaller buffer. - inbuf_size = 1024; - inbuf = (char *)malloc(inbuf_size); - if (!inbuf) - return ARCHIVE_READER_MEM_ERROR; - } - } - - if (!outbuf) - { - outbuf = (char *)malloc(outbuf_size); - if (!outbuf) - { - // Try again with a smaller buffer. - outbuf_size = 1024; - outbuf = (char *)malloc(outbuf_size); - if (!outbuf) - return ARCHIVE_READER_MEM_ERROR; - } - } - -#ifdef _WIN32 - mArchive = mar_wopen(path); -#else - mArchive = mar_open(path); -#endif - if (!mArchive) - return READ_ERROR; - - return OK; -} - -void -ArchiveReader::Close() -{ - if (mArchive) - { - mar_close(mArchive); - mArchive = nullptr; - } - - if (inbuf) - { - free(inbuf); - inbuf = nullptr; - } - - if (outbuf) - { - free(outbuf); - outbuf = nullptr; - } -} - -int -ArchiveReader::ExtractFile(const char *name, const NS_tchar *dest) -{ - const MarItem *item = mar_find_item(mArchive, name); - if (!item) - return READ_ERROR; - -#ifdef _WIN32 - FILE* fp = _wfopen(dest, L"wb+"); -#else - int fd = creat(dest, item->flags); - if (fd == -1) - return WRITE_ERROR; - - FILE *fp = fdopen(fd, "wb"); -#endif - if (!fp) - return WRITE_ERROR; - - int rv = ExtractItemToStream(item, fp); - - fclose(fp); - return rv; -} - -int -ArchiveReader::ExtractFileToStream(const char *name, FILE *fp) -{ - const MarItem *item = mar_find_item(mArchive, name); - if (!item) - return READ_ERROR; - - return ExtractItemToStream(item, fp); -} - -int -ArchiveReader::ExtractItemToStream(const MarItem *item, FILE *fp) -{ - /* decompress the data chunk by chunk */ - - bz_stream strm; - int offset, inlen, ret = OK; - - memset(&strm, 0, sizeof(strm)); - if (BZ2_bzDecompressInit(&strm, 0, 0) != BZ_OK) - return UNEXPECTED_BZIP_ERROR; - - offset = 0; - for (;;) - { - if (!item->length) - { - ret = UNEXPECTED_MAR_ERROR; - break; - } - - if (offset < (int) item->length && strm.avail_in == 0) - { - inlen = mar_read(mArchive, item, offset, inbuf, inbuf_size); - if (inlen <= 0) - return READ_ERROR; - offset += inlen; - strm.next_in = inbuf; - strm.avail_in = inlen; - } - - strm.next_out = outbuf; - strm.avail_out = outbuf_size; - - ret = BZ2_bzDecompress(&strm); - if (ret != BZ_OK && ret != BZ_STREAM_END) - { - ret = UNEXPECTED_BZIP_ERROR; - break; - } - - int outlen = outbuf_size - strm.avail_out; - if (outlen) - { - if (fwrite(outbuf, outlen, 1, fp) != 1) - { - ret = WRITE_ERROR_EXTRACT; - break; - } - } - - if (ret == BZ_STREAM_END) - { - ret = OK; - break; - } - } - - BZ2_bzDecompressEnd(&strm); - return ret; -} |