diff options
| -rw-r--r-- | tools/idevicebackup4.c | 502 |
1 files changed, 1 insertions, 501 deletions
diff --git a/tools/idevicebackup4.c b/tools/idevicebackup4.c index af798c0..f306260 100644 --- a/tools/idevicebackup4.c +++ b/tools/idevicebackup4.c @@ -73,81 +73,6 @@ enum device_link_file_status_t { DEVICE_LINK_FILE_STATUS_LAST_HUNK }; -#if 0 -static void sha1_of_data(const char *input, uint32_t size, unsigned char *hash_out) -{ - gcry_md_hash_buffer(GCRY_MD_SHA1, hash_out, input, size); -} - -static int compare_hash(const unsigned char *hash1, const unsigned char *hash2, int hash_len) -{ - int i; - for (i = 0; i < hash_len; i++) { - if (hash1[i] != hash2[i]) { - return 0; - } - } - return 1; -} - -static void compute_datahash(const char *path, const char *destpath, uint8_t greylist, const char *domain, const char *appid, const char *version, unsigned char *hash_out) -{ - gcry_md_hd_t hd = NULL; - gcry_md_open(&hd, GCRY_MD_SHA1, 0); - if (!hd) { - printf("ERROR: Could not initialize libgcrypt/SHA1\n"); - return; - } - gcry_md_reset(hd); - - FILE *f = fopen(path, "rb"); - if (f) { - unsigned char buf[16384]; - size_t len; - while ((len = fread(buf, 1, 16384, f)) > 0) { - gcry_md_write(hd, buf, len); - } - fclose(f); - gcry_md_write(hd, destpath, strlen(destpath)); - gcry_md_write(hd, ";", 1); - if (greylist == 1) { - gcry_md_write(hd, "true", 4); - } else { - gcry_md_write(hd, "false", 5); - } - gcry_md_write(hd, ";", 1); - if (domain) { - gcry_md_write(hd, domain, strlen(domain)); - } else { - gcry_md_write(hd, "(null)", 6); - } - gcry_md_write(hd, ";", 1); - if (appid) { - gcry_md_write(hd, appid, strlen(appid)); - } else { - gcry_md_write(hd, "(null)", 6); - } - gcry_md_write(hd, ";", 1); - if (version) { - gcry_md_write(hd, version, strlen(version)); - } else { - gcry_md_write(hd, "(null)", 6); - } - unsigned char *newhash = gcry_md_read(hd, GCRY_MD_SHA1); - memcpy(hash_out, newhash, 20); - } - gcry_md_close(hd); -} - -static void print_hash(const unsigned char *hash, int len) -{ - int i; - for (i = 0; i < len; i++) { - printf("%02x", hash[i]); - } -} -#endif - static void notify_cb(const char *notification, void *userdata) { if (!strcmp(notification, NP_SYNC_CANCEL_REQUEST)) { @@ -365,23 +290,6 @@ static plist_t mobilebackup_factory_info_plist_new() return ret; } -#if 0 -static void mobilebackup_info_update_last_backup_date(plist_t info_plist) -{ - GTimeVal tv = {0, 0}; - plist_t node = NULL; - - if (!info_plist) - return; - - g_get_current_time(&tv); - node = plist_dict_get_item(info_plist, "Last Backup Date"); - plist_set_date_val(node, tv.tv_sec, tv.tv_usec); - - node = NULL; -} -#endif - static void buffer_read_from_filename(const char *filename, char **buffer, uint64_t *length) { FILE *f; @@ -469,21 +377,6 @@ static int plist_write_to_filename(plist_t plist, const char *filename, enum pli return 1; } -static int plist_strcmp(plist_t node, const char *str) -{ - char *buffer = NULL; - int ret = 0; - - if (plist_get_node_type(node) != PLIST_STRING) - return ret; - - plist_get_string_val(node, &buffer); - ret = strcmp(buffer, str); - free(buffer); - - return ret; -} - static int mobilebackup_status_check_snapshot_state(const char *path, const char *uuid, const char *matches) { int ret = -1; @@ -571,186 +464,6 @@ static int mobilebackup_info_is_current_device(plist_t info) return ret; } -/*static int mobilebackup_delete_backup_file_by_hash(const char *backup_directory, const char *hash) -{ - int ret = 0; - gchar *path = mobilebackup_build_path(backup_directory, hash, ".mddata"); - printf("Removing \"%s\" ", path); - if (!remove( path )) - ret = 1; - else - ret = 0; - - g_free(path); - - if (!ret) - return ret; - - path = mobilebackup_build_path(backup_directory, hash, ".mdinfo"); - printf("and \"%s\"... ", path); - if (!remove( path )) - ret = 1; - else - ret = 0; - - g_free(path); - - return ret; -}*/ - -#if 0 -static int mobilebackup_check_file_integrity(const char *backup_directory, const char *hash, plist_t filedata) -{ - char *datapath; - char *infopath; - plist_t mdinfo = NULL; - struct stat st; - unsigned char file_hash[20]; - - datapath = mobilebackup_build_path(backup_directory, hash, ".mddata"); - if (stat(datapath, &st) != 0) { - printf("\r\n"); - printf("ERROR: '%s.mddata' is missing!\n", hash); - free(datapath); - return 0; - } - - infopath = mobilebackup_build_path(backup_directory, hash, ".mdinfo"); - plist_read_from_filename(&mdinfo, infopath); - free(infopath); - if (!mdinfo) { - printf("\r\n"); - printf("ERROR: '%s.mdinfo' is missing or corrupted!\n", hash); - free(datapath); - return 0; - } - - /* sha1 hash verification */ - plist_t node = plist_dict_get_item(filedata, "DataHash"); - if (!node || (plist_get_node_type(node) != PLIST_DATA)) { - printf("\r\n"); - printf("ERROR: Could not get DataHash for file entry '%s'\n", hash); - plist_free(mdinfo); - free(datapath); - return 0; - } - - node = plist_dict_get_item(mdinfo, "Metadata"); - if (!node && (plist_get_node_type(node) != PLIST_DATA)) { - printf("\r\n"); - printf("ERROR: Could not find Metadata in plist '%s.mdinfo'\n", hash); - plist_free(mdinfo); - free(datapath); - return 0; - } - - char *meta_bin = NULL; - uint64_t meta_bin_size = 0; - plist_get_data_val(node, &meta_bin, &meta_bin_size); - plist_t metadata = NULL; - if (meta_bin) { - plist_from_bin(meta_bin, (uint32_t)meta_bin_size, &metadata); - } - if (!metadata) { - printf("\r\n"); - printf("ERROR: Could not get Metadata from plist '%s.mdinfo'\n", hash); - plist_free(mdinfo); - free(datapath); - return 0; - } - - char *version = NULL; - node = plist_dict_get_item(metadata, "Version"); - if (node && (plist_get_node_type(node) == PLIST_STRING)) { - plist_get_string_val(node, &version); - } - - char *destpath = NULL; - node = plist_dict_get_item(metadata, "Path"); - if (node && (plist_get_node_type(node) == PLIST_STRING)) { - plist_get_string_val(node, &destpath); - } - - uint8_t greylist = 0; - node = plist_dict_get_item(metadata, "Greylist"); - if (node && (plist_get_node_type(node) == PLIST_BOOLEAN)) { - plist_get_bool_val(node, &greylist); - } - - char *domain = NULL; - node = plist_dict_get_item(metadata, "Domain"); - if (node && (plist_get_node_type(node) == PLIST_STRING)) { - plist_get_string_val(node, &domain); - } - - char *fnstr = malloc(strlen(domain) + 1 + strlen(destpath) + 1); - strcpy(fnstr, domain); - strcat(fnstr, "-"); - strcat(fnstr, destpath); - unsigned char fnhash[20]; - char fnamehash[41]; - char *p = fnamehash; - sha1_of_data(fnstr, strlen(fnstr), fnhash); - free(fnstr); - int i; - for ( i = 0; i < 20; i++, p += 2 ) { - snprintf (p, 3, "%02x", (unsigned char)fnhash[i] ); - } - if (strcmp(fnamehash, hash)) { - printf("\r\n"); - printf("WARNING: filename hash does not match for entry '%s'\n", hash); - } - - char *auth_version = NULL; - node = plist_dict_get_item(mdinfo, "AuthVersion"); - if (node && (plist_get_node_type(node) == PLIST_STRING)) { - plist_get_string_val(node, &auth_version); - } - - if (strcmp(auth_version, "1.0")) { - printf("\r\n"); - printf("WARNING: Unknown AuthVersion '%s', DataHash cannot be verified!\n", auth_version); - } - - node = plist_dict_get_item(filedata, "DataHash"); - if (!node || (plist_get_node_type(node) != PLIST_DATA)) { - printf("\r\n"); - printf("WARNING: Could not get DataHash key from file info data for entry '%s'\n", hash); - } - - int res = 1; - unsigned char *data_hash = NULL; - uint64_t data_hash_len = 0; - plist_get_data_val(node, (char**)&data_hash, &data_hash_len); - int hash_ok = 0; - if (data_hash && (data_hash_len == 20)) { - compute_datahash(datapath, destpath, greylist, domain, NULL, version, file_hash); - hash_ok = compare_hash(data_hash, file_hash, 20); - } else if (data_hash_len == 0) { - /* no datahash present */ - hash_ok = 1; - } - - g_free(domain); - g_free(version); - g_free(destpath); - - if (!hash_ok) { - printf("\r\n"); - printf("ERROR: The hash for '%s.mddata' does not match DataHash entry in Manifest\n", hash); - printf("datahash: "); - print_hash(data_hash, 20); - printf("\nfilehash: "); - print_hash(file_hash, 20); - printf("\n"); - res = 0; - } - g_free(data_hash); - plist_free(mdinfo); - return res; -} -#endif - static void do_post_notification(const char *notification) { uint16_t nport = 0; @@ -1263,16 +976,8 @@ int main(int argc, char *argv[]) int is_full_backup = 0; char *backup_directory = NULL; struct stat st; - //plist_t node = NULL; plist_t node_tmp = NULL; - //plist_t manifest_plist = NULL; plist_t info_plist = NULL; - //char *buffer = NULL; - //char *file_path = NULL; - //uint64_t length = 0; - //uint64_t backup_total_size = 0; - //enum device_link_file_status_t file_status = DEVICE_LINK_FILE_STATUS_NONE; -// uint64_t c = 0; mobilebackup2_error_t err; /* we need to exit cleanly on running backups and restores or we cause havok */ @@ -1506,20 +1211,7 @@ checkpoint: /* TODO: check domain com.apple.mobile.backup key RequiresEncrypt and WillEncrypt with lockdown */ /* TODO: verify battery on AC enough battery remaining */ - /* read the last Manifest.plist */ - /* - if (!is_full_backup) { - printf("Reading existing Manifest.\n"); - plist_read_from_filename(&manifest_plist, manifest_path); - if (!manifest_plist) { - printf("Could not read Manifest.plist, switching to full backup mode.\n"); - is_full_backup = 1; - } - }*/ - - /* Info.plist (Device infos, IC-Info.sidb, photos, app_ids, iTunesPrefs) */ - - /* re-create Info.plist */ + /* re-create Info.plist (Device infos, IC-Info.sidb, photos, app_ids, iTunesPrefs) */ if (info_plist) { plist_free(info_plist); info_plist = NULL; @@ -1532,9 +1224,6 @@ checkpoint: plist_free(info_plist); info_plist = NULL; - /* create Status.plist with failed status for now */ - //mobilebackup_write_status(backup_directory, 0); - /* request backup from device with manifest from last backup */ printf("Requesting backup from device...\n"); @@ -1613,20 +1302,8 @@ checkpoint: int backup_ok = 0; plist_t message = NULL; - /* TODO receive and save DLSendFile files and metadata, ACK each */ char *dlmsg = NULL; - /*uint64_t file_size = 0; - uint64_t file_size_current = 0;*/ int file_count = 0; - /*int hunk_index = 0; - uint64_t backup_real_size = 0; - char *file_ext = NULL; - char *filename_mdinfo = NULL; - char *filename_mddata = NULL; - char *filename_source = NULL; - char *format_size = NULL; - gboolean is_manifest = FALSE; - uint8_t b = 0;*/ int errcode = 0; const char *errdesc = NULL; @@ -1643,8 +1320,6 @@ checkpoint: goto files_out; } - //node = plist_array_get_item(message, 0); - if (!strcmp(dlmsg, "DLMessageDownloadFiles")) { /* device wants to download files from the computer */ handle_send_files(message, backup_directory); @@ -1805,149 +1480,10 @@ checkpoint: } }*/ -#if 0 - /* get out if we don't get a DLSendFile */ - if (plist_strcmp(node, "DLSendFile")) - break; - - node_tmp = plist_array_get_item(message, 2); - - /* first message hunk contains total backup size */ - if ((hunk_index == 0) && (file_index == 0)) { - node = plist_dict_get_item(node_tmp, "BackupTotalSizeKey"); - if (node) { - plist_get_uint_val(node, &backup_total_size); - format_size = g_format_size_for_display(backup_total_size); - printf("Backup data requires %s on the disk.\n", format_size); - g_free(format_size); - } - } - - /* check DLFileStatusKey (codes: 1 = Hunk, 2 = Last Hunk) */ - node = plist_dict_get_item(node_tmp, "DLFileStatusKey"); - plist_get_uint_val(node, &c); - file_status = c; - - /* get source filename */ - node = plist_dict_get_item(node_tmp, "BackupManifestKey"); - b = 0; - if (node) { - plist_get_bool_val(node, &b); - } - is_manifest = (b == 1) ? TRUE: FALSE; - - if ((hunk_index == 0) && (!is_manifest)) { - /* get source filename */ - node = plist_dict_get_item(node_tmp, "DLFileSource"); - plist_get_string_val(node, &filename_source); - - /* increase received size */ - node = plist_dict_get_item(node_tmp, "DLFileAttributesKey"); - node = plist_dict_get_item(node, "FileSize"); - plist_get_uint_val(node, &file_size); - backup_real_size += file_size; - - format_size = g_format_size_for_display(backup_real_size); - printf("(%s", format_size); - g_free(format_size); - - format_size = g_format_size_for_display(backup_total_size); - printf("/%s): ", format_size); - g_free(format_size); - - format_size = g_format_size_for_display(file_size); - printf("Receiving file %s (%s)... \n", filename_source, format_size); - g_free(format_size); - - if (filename_source) - free(filename_source); - } - - /* check if we completed a file */ - if ((file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) && (!is_manifest)) { - /* save <hash>.mdinfo */ - node = plist_dict_get_item(node_tmp, "BackupFileInfo"); - if (node) { - node = plist_dict_get_item(node_tmp, "DLFileDest"); - plist_get_string_val(node, &file_path); - - filename_mdinfo = mobilebackup_build_path(backup_directory, file_path, ".mdinfo"); - - /* remove any existing file */ - if (stat(filename_mdinfo, &st) == 0) - remove(filename_mdinfo); - - node = plist_dict_get_item(node_tmp, "BackupFileInfo"); - plist_write_to_filename(node, filename_mdinfo, PLIST_FORMAT_BINARY); - - g_free(filename_mdinfo); - } - - file_index++; - } - - /* save <hash>.mddata */ - node = plist_dict_get_item(node_tmp, "BackupFileInfo"); - if (node_tmp) { - node = plist_dict_get_item(node_tmp, "DLFileDest"); - plist_get_string_val(node, &file_path); - - filename_mddata = mobilebackup_build_path(backup_directory, file_path, is_manifest ? NULL: ".mddata"); - - /* if this is the first hunk, remove any existing file */ - if ((hunk_index == 0) && (stat(filename_mddata, &st) == 0)) - remove(filename_mddata); - - /* get file data hunk */ - node_tmp = plist_array_get_item(message, 1); - plist_get_data_val(node_tmp, &buffer, &length); - - buffer_write_to_filename(filename_mddata, buffer, length); - if (!is_manifest) - file_size_current += length; - - /* activate currently sent manifest */ - if ((file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) && (is_manifest)) { - rename(filename_mddata, manifest_path); - } - - free(buffer); - buffer = NULL; - - g_free(filename_mddata); - } - - if ((!is_manifest)) { - if (hunk_index == 0 && file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) { - print_progress(100); - } else { - if (file_size > 0) - print_progress((double)((file_size_current*100)/file_size)); - } - } - - hunk_index++; - - if (file_ext) - free(file_ext); -#endif if (message) plist_free(message); message = NULL; -#if 0 - if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) { - /* acknowlegdge that we received the file */ - mobilebackup_send_backup_file_received(mobilebackup); - /* reset hunk_index */ - hunk_index = 0; - if (!is_manifest) { - file_size_current = 0; - file_size = 0; - } - } -#endif - files_out: if (quit_flag > 0) { /* need to cancel the backup here */ @@ -1962,42 +1498,6 @@ files_out: } } while (1); -#if 0 - if (!quit_flag && !plist_strcmp(node, "DLMessageProcessMessage")) { - node_tmp = plist_array_get_item(message, 1); - node = plist_dict_get_item(node_tmp, "BackupMessageTypeKey"); - /* check if we received the final "backup finished" message */ - if (node && !plist_strcmp(node, "BackupMessageBackupFinished")) { - /* backup finished */ - - /* process BackupFilesToDeleteKey */ - node = plist_dict_get_item(node_tmp, "BackupFilesToDeleteKey"); - if (node) { - length = plist_array_get_size(node); - i = 0; - while ((node_tmp = plist_array_get_item(node, i++)) != NULL) { - plist_get_string_val(node_tmp, &file_path); - - if (mobilebackup_delete_backup_file_by_hash(backup_directory, file_path)) { - printf("DONE\n"); - } else - printf("FAILED\n"); - } - } - - /* save last valid Manifest.plist */ - node_tmp = plist_array_get_item(message, 1); - manifest_plist = plist_dict_get_item(node_tmp, "BackupManifestKey"); - if (manifest_plist) { - remove(manifest_path); - printf("Storing Manifest.plist...\n"); - plist_write_to_filename(manifest_plist, manifest_path, PLIST_FORMAT_XML); - } - - backup_ok = 1; - } - } -#endif if (cmd == CMD_BACKUP) { printf("Received %d files from device.\n", file_count); if (mobilebackup_status_check_snapshot_state(backup_directory, uuid, "finished")) { |