コード例 #1
0
ファイル: tsschecker.c プロジェクト: K0smas/tsschecker
int tss_populate_basebandvals(plist_t tssreq, plist_t tssparameters, int64_t BbGoldCertId){
    plist_t parameters = plist_new_dict();
    char bbnonce[noncelen+1];
    char bbsnum[5];
    int64_t BbChipID = 0;
    
    getRandNum(bbnonce, noncelen, 256);
    getRandNum(bbsnum, 4, 256);
    
    int n=0; for (int i=1; i<7; i++) BbChipID += (arc4random() % 10) * pow(10, ++n);
    
    
    plist_dict_set_item(parameters, "BbNonce", plist_new_data(bbnonce, noncelen));
    plist_dict_set_item(parameters, "BbChipID", plist_new_uint(BbChipID));
    plist_dict_set_item(parameters, "BbGoldCertId", plist_new_uint(BbGoldCertId));
    plist_dict_set_item(parameters, "BbSNUM", plist_new_data(bbsnum, 4));
    
    /* BasebandFirmware */
    plist_t BasebandFirmware = plist_access_path(tssparameters, 2, "Manifest", "BasebandFirmware");
    if (!BasebandFirmware || plist_get_node_type(BasebandFirmware) != PLIST_DICT) {
        error("ERROR: Unable to get BasebandFirmware node\n");
        return -1;
    }
    plist_t bbfwdict = plist_copy(BasebandFirmware);
    BasebandFirmware = NULL;
    if (plist_dict_get_item(bbfwdict, "Info")) {
        plist_dict_remove_item(bbfwdict, "Info");
    }
    plist_dict_set_item(tssreq, "BasebandFirmware", bbfwdict);
    
    tss_request_add_baseband_tags(tssreq, parameters, NULL);
    return 0;
}
コード例 #2
0
static instproxy_error_t instproxy_client_get_object_by_key_from_info_directionary_for_bundle_identifier(instproxy_client_t client, const char* appid, const char* key, plist_t* node)
{
    if (!client || !appid || !key)
        return INSTPROXY_E_INVALID_ARG;

    plist_t apps = NULL;

    // create client options for any application types
    plist_t client_opts = instproxy_client_options_new();
    instproxy_client_options_add(client_opts, "ApplicationType", "Any", NULL);

    // only return attributes we need
    instproxy_client_options_set_return_attributes(client_opts, "CFBundleIdentifier", "CFBundleExecutable", key, NULL);

    // only query for specific appid
    const char* appids[] = {appid, NULL};

    // query device for list of apps
    instproxy_error_t ierr = instproxy_lookup(client, appids, client_opts, &apps);

    instproxy_client_options_free(client_opts);

    if (ierr != INSTPROXY_E_SUCCESS) {
        return ierr;
    }

    plist_t app_found = plist_access_path(apps, 1, appid);
    if (!app_found) {
        if (apps)
            plist_free(apps);
        *node = NULL;
        return INSTPROXY_E_OP_FAILED;
    }

    plist_t object = plist_dict_get_item(app_found, key);
    if (object) {
        *node = plist_copy(object);
    } else {
        debug_info("key %s not found", key);
        return INSTPROXY_E_OP_FAILED;
    }

    plist_free(apps);

    return INSTPROXY_E_SUCCESS;
}
コード例 #3
0
ファイル: tss.c プロジェクト: zweed4u/idevicerestore
int tss_request_add_baseband_tags(plist_t request, plist_t parameters, plist_t overrides) {
	plist_t node = NULL;

	/* BbChipID */
	node = plist_dict_get_item(parameters, "BbChipID");
	if (node) {
		plist_dict_set_item(request, "BbChipID", plist_copy(node));
	}
	node = NULL;

	/* BbProvisioningManifestKeyHash */
	node = plist_dict_get_item(parameters, "BbProvisioningManifestKeyHash");
	if (node) {
		plist_dict_set_item(request, "BbProvisioningManifestKeyHash", plist_copy(node));
	}
	node = NULL;

	/* BbActivationManifestKeyHash - Used by Qualcomm MDM6610 */
	node = plist_dict_get_item(parameters, "BbActivationManifestKeyHash");
	if (node) {
		plist_dict_set_item(request, "BbActivationManifestKeyHash", plist_copy(node));
	}
	node = NULL;

	node = plist_dict_get_item(parameters, "BbCalibrationManifestKeyHash");
	if (node) {
		plist_dict_set_item(request, "BbCalibrationManifestKeyHash", plist_copy(node));
	}
	node = NULL;

	/* BbFactoryActivationManifestKeyHash */
	node = plist_dict_get_item(parameters, "BbFactoryActivationManifestKeyHash");
	if (node) {
		plist_dict_set_item(request, "BbFactoryActivationManifestKeyHash", plist_copy(node));
	}
	node = NULL;

	/* BbFDRSecurityKeyHash */
	node = plist_dict_get_item(parameters, "BbFDRSecurityKeyHash");
	if (node) {
		plist_dict_set_item(request, "BbFDRSecurityKeyHash", plist_copy(node));
	}
	node = NULL;

	/* BbSkeyId - Used by XMM 6180/GSM */
	node = plist_dict_get_item(parameters, "BbSkeyId");
	if (node) {
		plist_dict_set_item(request, "BbSkeyId", plist_copy(node));
	}
	node = NULL;

	/* BbNonce */
	node = plist_dict_get_item(parameters, "BbNonce");
	if (node) {
		plist_dict_set_item(request, "BbNonce", plist_copy(node));
	}
	node = NULL;

	/* @BBTicket */
	plist_dict_set_item(request, "@BBTicket", plist_new_bool(1));

	/* BbGoldCertId */
	node = plist_dict_get_item(parameters, "BbGoldCertId");
	if (!node || plist_get_node_type(node) != PLIST_UINT) {
		error("ERROR: Unable to find required BbGoldCertId in parameters\n");
		return -1;
	}
	node = plist_copy(node);
	uint64_t val;
	plist_get_uint_val(node, &val);
	plist_set_uint_val(node, (int32_t)val);
	plist_dict_set_item(request, "BbGoldCertId", node);
	node = NULL;

	/* BbSNUM */
	node = plist_dict_get_item(parameters, "BbSNUM");
	if (!node || plist_get_node_type(node) != PLIST_DATA) {
		error("ERROR: Unable to find required BbSNUM in parameters\n");
		return -1;
	}
	plist_dict_set_item(request, "BbSNUM", plist_copy(node));
	node = NULL;

	/* BasebandFirmware */
	node = plist_access_path(parameters, 2, "Manifest", "BasebandFirmware");
	if (!node || plist_get_node_type(node) != PLIST_DICT) {
		error("ERROR: Unable to get BasebandFirmware node\n");
		return -1;
	}
	plist_t bbfwdict = plist_copy(node);
	node = NULL;
	if (plist_dict_get_item(bbfwdict, "Info")) {
		plist_dict_remove_item(bbfwdict, "Info");
	}
	plist_dict_set_item(request, "BasebandFirmware", bbfwdict);

	/* apply overrides */
	if (overrides) {
		plist_dict_merge(&request, overrides);
	}

	return 0;
}
コード例 #4
0
ファイル: tss.c プロジェクト: zweed4u/idevicerestore
int tss_request_add_ap_tags(plist_t request, plist_t parameters, plist_t overrides) {
	/* loop over components from build manifest */
	plist_t manifest_node = plist_dict_get_item(parameters, "Manifest");
	if (!manifest_node || plist_get_node_type(manifest_node) != PLIST_DICT) {
		error("ERROR: Unable to find restore manifest\n");
		return -1;
	}

	/* add components to request */
	char* key = NULL;
	plist_t manifest_entry = NULL;
	plist_dict_iter iter = NULL;
	plist_dict_new_iter(manifest_node, &iter);
	while (1) {
		plist_dict_next_item(manifest_node, iter, &key, &manifest_entry);
		if (key == NULL)
			break;
		if (!manifest_entry || plist_get_node_type(manifest_entry) != PLIST_DICT) {
			error("ERROR: Unable to fetch BuildManifest entry\n");
			return -1;
		}

		/* do not populate BaseBandFirmware, only in basebaseband request */
		if ((strcmp(key, "BasebandFirmware") == 0)) {
			free(key);
			continue;
		}

		/* FIXME: only used with diagnostics firmware */
		if (strcmp(key, "Diags") == 0) {
			free(key);
			continue;
		}

		/* copy this entry */
		plist_t tss_entry = plist_copy(manifest_entry);

		/* remove obsolete Info node */
		plist_dict_remove_item(tss_entry, "Info");

		/* handle RestoreRequestRules */
		plist_t rules = plist_access_path(manifest_entry, 2, "Info", "RestoreRequestRules");
		if (rules) {
			debug("DEBUG: Applying restore request rules for entry %s\n", key);
			tss_entry_apply_restore_request_rules(tss_entry, parameters, rules);
		}

		/* Make sure we have a Digest key for Trusted items even if empty */
		plist_t node = plist_dict_get_item(manifest_entry, "Trusted");
		if (node && plist_get_node_type(node) == PLIST_BOOLEAN) {
			uint8_t trusted;
			plist_get_bool_val(node, &trusted);
			if (trusted && !plist_access_path(manifest_entry, 1, "Digest")) {
				debug("DEBUG: No Digest data, using empty value for entry %s\n", key);
				plist_dict_set_item(tss_entry, "Digest", plist_new_data(NULL, 0));
			}
		}

		/* finally add entry to request */
		plist_dict_set_item(request, key, tss_entry);

		free(key);
	}
	free(iter);

	/* apply overrides */
	if (overrides) {
		plist_dict_merge(&request, overrides);
	}

	return 0;
}
コード例 #5
0
int idevicerestore_start(struct idevicerestore_client_t* client)
{
	int tss_enabled = 0;
	int result = 0;

	if (!client) {
		return -1;
	}

	if ((client->flags & FLAG_LATEST) && (client->flags & FLAG_CUSTOM)) {
		error("ERROR: FLAG_LATEST cannot be used with FLAG_CUSTOM.\n");
		return -1;
	}

	if (!client->ipsw && !(client->flags & FLAG_PWN) && !(client->flags & FLAG_LATEST)) {
		error("ERROR: no ipsw file given\n");
		return -1;
	}

	if (client->flags & FLAG_DEBUG) {
		idevice_set_debug_level(1);
		irecv_set_debug_level(1);
		idevicerestore_debug = 1;
	}

	idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.0);

	// update version data (from cache, or apple if too old)
	load_version_data(client);

	// check which mode the device is currently in so we know where to start
	if (check_mode(client) < 0 || client->mode->index == MODE_UNKNOWN) {
		error("ERROR: Unable to discover device mode. Please make sure a device is attached.\n");
		return -1;
	}
	idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.1);
	info("Found device in %s mode\n", client->mode->string);

	if (client->mode->index == MODE_WTF) {
		unsigned int cpid = 0;

		if (dfu_client_new(client) != 0) {
			error("ERROR: Could not open device in WTF mode\n");
			return -1;
		}
		if ((dfu_get_cpid(client, &cpid) < 0) || (cpid == 0)) { 
			error("ERROR: Could not get CPID for WTF mode device\n");
			dfu_client_free(client);
			return -1;
		}

		char wtfname[256];
		sprintf(wtfname, "Firmware/dfu/WTF.s5l%04xxall.RELEASE.dfu", cpid);
		unsigned char* wtftmp = NULL;
		unsigned int wtfsize = 0;

		// Prefer to get WTF file from the restore IPSW
		ipsw_extract_to_memory(client->ipsw, wtfname, &wtftmp, &wtfsize);
		if (!wtftmp) {
			// Download WTF IPSW
			char* s_wtfurl = NULL;
			plist_t wtfurl = plist_access_path(client->version_data, 7, "MobileDeviceSoftwareVersionsByVersion", "5", "RecoverySoftwareVersions", "WTF", "304218112", "5", "FirmwareURL");
			if (wtfurl && (plist_get_node_type(wtfurl) == PLIST_STRING)) {
				plist_get_string_val(wtfurl, &s_wtfurl);
			}
			if (!s_wtfurl) {
				info("Using hardcoded x12220000_5_Recovery.ipsw URL\n");
				s_wtfurl = strdup("http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone/061-6618.20090617.Xse7Y/x12220000_5_Recovery.ipsw");
			}

			// make a local file name
			char* fnpart = strrchr(s_wtfurl, '/');
			if (!fnpart) {
				fnpart = "x12220000_5_Recovery.ipsw";
			} else {
				fnpart++;
			}
			struct stat fst;
			char wtfipsw[1024];
			if (client->cache_dir) {
				if (stat(client->cache_dir, &fst) < 0) {
					mkdir_with_parents(client->cache_dir, 0755);
				}
				strcpy(wtfipsw, client->cache_dir);
				strcat(wtfipsw, "/");
				strcat(wtfipsw, fnpart);
			} else {
				strcpy(wtfipsw, fnpart);
			}
			if (stat(wtfipsw, &fst) != 0) {
				download_to_file(s_wtfurl, wtfipsw, 0);
			}

			ipsw_extract_to_memory(wtfipsw, wtfname, &wtftmp, &wtfsize);
			if (!wtftmp) {
				error("ERROR: Could not extract WTF\n");
			}
		}

		if (wtftmp) {
			if (dfu_send_buffer(client, wtftmp, wtfsize) != 0) {
				error("ERROR: Could not send WTF...\n");
			}
		}
		dfu_client_free(client);

		sleep(1);

		free(wtftmp);
		client->mode = &idevicerestore_modes[MODE_DFU];
	}

	// discover the device type
	if (check_product_type(client) == NULL || client->device == NULL) {
		error("ERROR: Unable to discover device type\n");
		return -1;
	}
	idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.2);
	info("Identified device as %s\n", client->device->product_type);

	if ((client->flags & FLAG_PWN) && (client->mode->index != MODE_DFU)) {
		error("ERROR: you need to put your device into DFU mode to pwn it.\n");
		return -1;
	}

	if (client->flags & FLAG_PWN) {
		recovery_client_free(client);

		info("connecting to DFU\n");
		if (dfu_client_new(client) < 0) {
			return -1;
		}
		info("exploiting with limera1n...\n");
		// TODO: check for non-limera1n device and fail
		if (limera1n_exploit(client->device, &client->dfu->client) != 0) {
			error("ERROR: limera1n exploit failed\n");
			dfu_client_free(client);
			return -1;
		}
		dfu_client_free(client);
		info("Device should be in pwned DFU state now.\n");

		return 0;
	}

	if (client->flags & FLAG_LATEST) {
		char* ipsw = NULL;
		int res = ipsw_download_latest_fw(client->version_data, client->device->product_type, "cache", &ipsw);
		if (res != 0) {
			if (ipsw) {
				free(ipsw);
			}
			return res;
		} else {
			client->ipsw = ipsw;
		}
	}
	idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.6);

	if (client->flags & FLAG_NOACTION) {
		return 0;
	}

	if (client->mode->index == MODE_RESTORE) {
		if (restore_reboot(client) < 0) {
			error("ERROR: Unable to exit restore mode\n");
			return -2;
		}

		// we need to refresh the current mode again
		check_mode(client);
		info("Found device in %s mode\n", client->mode->string);
	}

	// verify if ipsw file exists
	if (access(client->ipsw, F_OK) < 0) {
		error("ERROR: Firmware file %s does not exist.\n", client->ipsw);
		return -1;
	}

	// extract buildmanifest
	plist_t buildmanifest = NULL;
	if (client->flags & FLAG_CUSTOM) {
		info("Extracting Restore.plist from IPSW\n");
		if (ipsw_extract_restore_plist(client->ipsw, &buildmanifest) < 0) {
			error("ERROR: Unable to extract Restore.plist from %s. Firmware file might be corrupt.\n", client->ipsw);
			return -1;
		}
	} else {
		info("Extracting BuildManifest from IPSW\n");
		if (ipsw_extract_build_manifest(client->ipsw, &buildmanifest, &tss_enabled) < 0) {
			error("ERROR: Unable to extract BuildManifest from %s. Firmware file might be corrupt.\n", client->ipsw);
			return -1;
		}
	}
	idevicerestore_progress(client, RESTORE_STEP_DETECT, 0.8);

	/* check if device type is supported by the given build manifest */
	if (build_manifest_check_compatibility(buildmanifest, client->device->product_type) < 0) {
		error("ERROR: Could not make sure this firmware is suitable for the current device. Refusing to continue.\n");
		return -1;
	}

	/* print iOS information from the manifest */
	build_manifest_get_version_information(buildmanifest, client);

	info("Product Version: %s\n", client->version);
	info("Product Build: %s Major: %d\n", client->build, client->build_major);

	if (client->flags & FLAG_CUSTOM) {
		/* prevent signing custom firmware */
		tss_enabled = 0;
		info("Custom firmware requested. Disabled TSS request.\n");
	}

	// choose whether this is an upgrade or a restore (default to upgrade)
	client->tss = NULL;
	plist_t build_identity = NULL;
	if (client->flags & FLAG_CUSTOM) {
		build_identity = plist_new_dict();
		{
			plist_t node;
			plist_t comp;
			plist_t inf;
			plist_t manifest;

			char tmpstr[256];
			char p_all_flash[128];
			char lcmodel[8];
			strcpy(lcmodel, client->device->hardware_model);
			int x = 0;
			while (lcmodel[x]) {
				lcmodel[x] = tolower(lcmodel[x]);
				x++;
			}

			sprintf(p_all_flash, "Firmware/all_flash/all_flash.%s.%s", lcmodel, "production");
			strcpy(tmpstr, p_all_flash);
			strcat(tmpstr, "/manifest");

			// get all_flash file manifest
			char *files[16];
			char *fmanifest = NULL;
			uint32_t msize = 0;
			if (ipsw_extract_to_memory(client->ipsw, tmpstr, (unsigned char**)&fmanifest, &msize) < 0) {
				error("ERROR: could not extract %s from IPSW\n", tmpstr);
				return -1;
			}

			char *tok = strtok(fmanifest, "\r\n");
			int fc = 0;
			while (tok) {
				files[fc++] = strdup(tok);
				if (fc >= 16) {
					break;
				}
				tok = strtok(NULL, "\r\n");
			}
			free(fmanifest);

			manifest = plist_new_dict();

			for (x = 0; x < fc; x++) {
				inf = plist_new_dict();
				strcpy(tmpstr, p_all_flash);
				strcat(tmpstr, "/");
				strcat(tmpstr, files[x]);
				plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
				comp = plist_new_dict();
				plist_dict_insert_item(comp, "Info", inf);
				const char* compname = get_component_name(files[x]);
				if (compname) {
					plist_dict_insert_item(manifest, compname, comp);
					if (!strncmp(files[x], "DeviceTree", 10)) {
						plist_dict_insert_item(manifest, "RestoreDeviceTree", plist_copy(comp));
					}
				} else {
					error("WARNING: unhandled component %s\n", files[x]);
					plist_free(comp);
				}
				free(files[x]);
				files[x] = NULL;
			}

			// add iBSS
			sprintf(tmpstr, "Firmware/dfu/iBSS.%s.%s.dfu", lcmodel, "RELEASE");
			inf = plist_new_dict();
			plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
			comp = plist_new_dict();
			plist_dict_insert_item(comp, "Info", inf);
			plist_dict_insert_item(manifest, "iBSS", comp);

			// add iBEC
			sprintf(tmpstr, "Firmware/dfu/iBEC.%s.%s.dfu", lcmodel, "RELEASE");
			inf = plist_new_dict();
			plist_dict_insert_item(inf, "Path", plist_new_string(tmpstr));
			comp = plist_new_dict();
			plist_dict_insert_item(comp, "Info", inf);
			plist_dict_insert_item(manifest, "iBEC", comp);

			// add kernel cache
			plist_t kdict = NULL;

			node = plist_dict_get_item(buildmanifest, "KernelCachesByTarget");
			if (node && (plist_get_node_type(node) == PLIST_DICT)) {
				char tt[4];
				strncpy(tt, lcmodel, 3);
				tt[3] = 0;
				kdict = plist_dict_get_item(node, tt);
			} else {
				// Populated in older iOS IPSWs
				kdict = plist_dict_get_item(buildmanifest, "RestoreKernelCaches");
			}
			if (kdict && (plist_get_node_type(kdict) == PLIST_DICT)) {
				plist_t kc = plist_dict_get_item(kdict, "Release");
				if (kc && (plist_get_node_type(kc) == PLIST_STRING)) {
					inf = plist_new_dict();
					plist_dict_insert_item(inf, "Path", plist_copy(kc));
					comp = plist_new_dict();
					plist_dict_insert_item(comp, "Info", inf);
					plist_dict_insert_item(manifest, "KernelCache", comp);
					plist_dict_insert_item(manifest, "RestoreKernelCache", plist_copy(comp));
				}
			}

			// add ramdisk
			node = plist_dict_get_item(buildmanifest, "RestoreRamDisks");
			if (node && (plist_get_node_type(node) == PLIST_DICT)) {
				plist_t rd = plist_dict_get_item(node, (client->flags & FLAG_ERASE) ? "User" : "Update");
				// if no "Update" ram disk entry is found try "User" ram disk instead
				if (!rd && !(client->flags & FLAG_ERASE)) {
					rd = plist_dict_get_item(node, "User");
					// also, set the ERASE flag since we actually change the restore variant
					client->flags |= FLAG_ERASE;
				}
				if (rd && (plist_get_node_type(rd) == PLIST_STRING)) {
					inf = plist_new_dict();
					plist_dict_insert_item(inf, "Path", plist_copy(rd));
					comp = plist_new_dict();
					plist_dict_insert_item(comp, "Info", inf);
					plist_dict_insert_item(manifest, "RestoreRamDisk", comp);
				}
			}

			// add OS filesystem
			node = plist_dict_get_item(buildmanifest, "SystemRestoreImages");
			if (!node) {
				error("ERROR: missing SystemRestoreImages in Restore.plist\n");
			}
			plist_t os = plist_dict_get_item(node, "User");
			if (!os) {
				error("ERROR: missing filesystem in Restore.plist\n");
			} else {
				inf = plist_new_dict();
				plist_dict_insert_item(inf, "Path", plist_copy(os));
				comp = plist_new_dict();
				plist_dict_insert_item(comp, "Info", inf);
				plist_dict_insert_item(manifest, "OS", comp);
			}

			// add info
			inf = plist_new_dict();
			plist_dict_insert_item(inf, "RestoreBehavior", plist_new_string((client->flags & FLAG_ERASE) ? "Erase" : "Update"));
			plist_dict_insert_item(inf, "Variant", plist_new_string((client->flags & FLAG_ERASE) ? "Customer Erase Install (IPSW)" : "Customer Upgrade Install (IPSW)"));
			plist_dict_insert_item(build_identity, "Info", inf);

			// finally add manifest
			plist_dict_insert_item(build_identity, "Manifest", manifest);
		}
	} else if (client->flags & FLAG_ERASE) {
		build_identity = build_manifest_get_build_identity(buildmanifest, 0);
		if (build_identity == NULL) {
			error("ERROR: Unable to find any build identities\n");
			plist_free(buildmanifest);
			return -1;
		}
	} else {
		// loop through all build identities in the build manifest
		// and list the valid ones
		int i = 0;
		int valid_builds = 0;
		int build_count = build_manifest_get_identity_count(buildmanifest);
		for (i = 0; i < build_count; i++) {
			build_identity = build_manifest_get_build_identity(buildmanifest, i);
			valid_builds++;
		}
	}

	/* print information about current build identity */
	build_identity_print_information(build_identity);

	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.0);
	/* retrieve shsh blobs if required */
	if (tss_enabled) {
		debug("Getting device's ECID for TSS request\n");
		/* fetch the device's ECID for the TSS request */
		if (get_ecid(client, &client->ecid) < 0) {
			error("ERROR: Unable to find device ECID\n");
			return -1;
		}
		info("Found ECID " FMT_qu "\n", (long long unsigned int)client->ecid);

		if (client->build_major > 8) {
			unsigned char* nonce = NULL;
			int nonce_size = 0;
			int nonce_changed = 0;
			if (get_nonce(client, &nonce, &nonce_size) < 0) {
				/* the first nonce request with older firmware releases can fail and it's OK */
				info("NOTE: Unable to get nonce from device\n");
			}

			if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
				nonce_changed = 1;
				if (client->nonce) {
					free(client->nonce);
				}
				client->nonce = nonce;
				client->nonce_size = nonce_size;
			} else {
				free(nonce);
			}
		}

		if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
			error("ERROR: Unable to get SHSH blobs for this device\n");
			return -1;
		}
	}

	if (client->flags & FLAG_SHSHONLY) {
		if (!tss_enabled) {
			info("This device does not require a TSS record");
			return 0;
		}
		if (!client->tss) {
			error("ERROR: could not fetch TSS record");
			plist_free(buildmanifest);
			return -1;
		} else {
			char *bin = NULL;
			uint32_t blen = 0;
			plist_to_bin(client->tss, &bin, &blen);
			if (bin) {
				char zfn[1024];
				if (client->cache_dir) {
					strcpy(zfn, client->cache_dir);
					strcat(zfn, "/shsh");
				} else {
					strcpy(zfn, "shsh");
				}
				mkdir_with_parents(zfn, 0755);
				sprintf(zfn+strlen(zfn), "/" FMT_qu "-%s-%s.shsh", (long long int)client->ecid, client->device->product_type, client->version);
				struct stat fst;
				if (stat(zfn, &fst) != 0) {
					gzFile zf = gzopen(zfn, "wb");
					gzwrite(zf, bin, blen);
					gzclose(zf);
					info("SHSH saved to '%s'\n", zfn);
				} else {
					info("SHSH '%s' already present.\n", zfn);
				}
				free(bin);
			} else {
				error("ERROR: could not get TSS record data\n");
			}
			plist_free(client->tss);
			plist_free(buildmanifest);
			return 0;
		}
	}

	/* verify if we have tss records if required */
	if ((tss_enabled) && (client->tss == NULL)) {
		error("ERROR: Unable to proceed without a TSS record.\n");
		plist_free(buildmanifest);
		return -1;
	}

	if ((tss_enabled) && client->tss) {
		/* fix empty dicts */
		fixup_tss(client->tss);
	}
	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.1);

	// if the device is in normal mode, place device into recovery mode
	if (client->mode->index == MODE_NORMAL) {
		info("Entering recovery mode...\n");
		if (normal_enter_recovery(client) < 0) {
			error("ERROR: Unable to place device into recovery mode from %s mode\n", client->mode->string);
			if (client->tss)
				plist_free(client->tss);
			plist_free(buildmanifest);
			return -5;
		}
	}

	// Get filesystem name from build identity
	char* fsname = NULL;
	if (build_identity_get_component_path(build_identity, "OS", &fsname) < 0) {
		error("ERROR: Unable get path for filesystem component\n");
		return -1;
	}

	// check if we already have an extracted filesystem
	int delete_fs = 0;
	char* filesystem = NULL;
	struct stat st;
	memset(&st, '\0', sizeof(struct stat));
	char tmpf[1024];
	if (client->cache_dir) {
		if (stat(client->cache_dir, &st) < 0) {
			mkdir_with_parents(client->cache_dir, 0755);
		}
		strcpy(tmpf, client->cache_dir);
		strcat(tmpf, "/");
		char *ipswtmp = strdup(client->ipsw);
		strcat(tmpf, basename(ipswtmp));
		free(ipswtmp);
	} else {
		strcpy(tmpf, client->ipsw);
	}
	char* p = strrchr((const char*)tmpf, '.');
	if (p) {
		*p = '\0';
	}

	if (stat(tmpf, &st) < 0) {
		__mkdir(tmpf, 0755);
	}
	strcat(tmpf, "/");
	strcat(tmpf, fsname);

	memset(&st, '\0', sizeof(struct stat));
	if (stat(tmpf, &st) == 0) {
		off_t fssize = 0;
		ipsw_get_file_size(client->ipsw, fsname, &fssize);
		if ((fssize > 0) && (st.st_size == fssize)) {
			info("Using cached filesystem from '%s'\n", tmpf);
			filesystem = strdup(tmpf);
		}
	}

	if (!filesystem) {
		char extfn[1024];
		strcpy(extfn, tmpf);
		strcat(extfn, ".extract");
		char lockfn[1024];
		strcpy(lockfn, tmpf);
		strcat(lockfn, ".lock");
		lock_info_t li;

		lock_file(lockfn, &li);
		FILE* extf = NULL;
		if (access(extfn, F_OK) != 0) {
			extf = fopen(extfn, "w");
		}
		unlock_file(&li);
		if (!extf) {
			// use temp filename
			filesystem = tempnam(NULL, "ipsw_");
			if (!filesystem) {
				error("WARNING: Could not get temporary filename, using '%s' in current directory\n", fsname);
				filesystem = strdup(fsname);
			}
			delete_fs = 1;
		} else {
			// use <fsname>.extract as filename
			filesystem = strdup(extfn);
			fclose(extf);
		}
		remove(lockfn);

		// Extract filesystem from IPSW
		info("Extracting filesystem from IPSW\n");
		if (ipsw_extract_to_file(client->ipsw, fsname, filesystem) < 0) {
			error("ERROR: Unable to extract filesystem from IPSW\n");
			if (client->tss)
				plist_free(client->tss);
			plist_free(buildmanifest);
			return -1;
		}

		if (strstr(filesystem, ".extract")) {
			// rename <fsname>.extract to <fsname>
			rename(filesystem, tmpf);
			free(filesystem);
			filesystem = strdup(tmpf); 
		}
	}

	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.3);

	// if the device is in DFU mode, place device into recovery mode
	if (client->mode->index == MODE_DFU) {
		recovery_client_free(client);
		if ((client->flags & FLAG_CUSTOM) && limera1n_is_supported(client->device)) {
			info("connecting to DFU\n");
			if (dfu_client_new(client) < 0) {
				if (delete_fs && filesystem)
					unlink(filesystem);
				return -1;
			}
			info("exploiting with limera1n\n");
			// TODO: check for non-limera1n device and fail
			if (limera1n_exploit(client->device, &client->dfu->client) != 0) {
				error("ERROR: limera1n exploit failed\n");
				dfu_client_free(client);
				if (delete_fs && filesystem)
					unlink(filesystem);
				return -1;
			}
			dfu_client_free(client);
			info("exploited\n");
		}
		if (dfu_enter_recovery(client, build_identity) < 0) {
			error("ERROR: Unable to place device into recovery mode from %s mode\n", client->mode->string);
			plist_free(buildmanifest);
			if (client->tss)
				plist_free(client->tss);
			if (delete_fs && filesystem)
				unlink(filesystem);
			return -2;
		}
	}

	if (client->mode->index == MODE_DFU) {
		client->mode = &idevicerestore_modes[MODE_RECOVERY];
	} else {
		if ((client->build_major > 8) && !(client->flags & FLAG_CUSTOM)) {
			/* send ApTicket */
			if (recovery_send_ticket(client) < 0) {
				error("WARNING: Unable to send APTicket\n");
			}
		}

		/* now we load the iBEC */
		if (recovery_send_ibec(client, build_identity) < 0) {
			error("ERROR: Unable to send iBEC\n");
			if (delete_fs && filesystem)
				unlink(filesystem);
			return -2;
		}
		recovery_client_free(client);
	
		/* this must be long enough to allow the device to run the iBEC */
		/* FIXME: Probably better to detect if the device is back then */
		sleep(7);
	}
	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.5);

	if (client->build_major > 8) {
		// we need another tss request with nonce.
		unsigned char* nonce = NULL;
		int nonce_size = 0;
		int nonce_changed = 0;
		if (get_nonce(client, &nonce, &nonce_size) < 0) {
			error("ERROR: Unable to get nonce from device!\n");
			recovery_send_reset(client);
			if (delete_fs && filesystem)
				unlink(filesystem);
			return -2;
		}

		if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
			nonce_changed = 1;
			if (client->nonce) {
				free(client->nonce);
			}
			client->nonce = nonce;
			client->nonce_size = nonce_size;
		} else {
			free(nonce);
		}

		if (nonce_changed && !(client->flags & FLAG_CUSTOM)) {
			// Welcome iOS5. We have to re-request the TSS with our nonce.
			plist_free(client->tss);
			if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
				error("ERROR: Unable to get SHSH blobs for this device\n");
				if (delete_fs && filesystem)
					unlink(filesystem);
				return -1;
			}
			if (!client->tss) {
				error("ERROR: can't continue without TSS\n");
				if (delete_fs && filesystem)
					unlink(filesystem);
				return -1;
			}
			fixup_tss(client->tss);
		}
	}
	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.7);

	// now finally do the magic to put the device into restore mode
	if (client->mode->index == MODE_RECOVERY) {
		if (client->srnm == NULL) {
			error("ERROR: could not retrieve device serial number. Can't continue.\n");
			if (delete_fs && filesystem)
				unlink(filesystem);
			return -1;
		}
		if (recovery_enter_restore(client, build_identity) < 0) {
			error("ERROR: Unable to place device into restore mode\n");
			plist_free(buildmanifest);
			if (client->tss)
				plist_free(client->tss);
			if (delete_fs && filesystem)
				unlink(filesystem);
			return -2;
		}
		recovery_client_free(client);
	}
	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.9);

	// device is finally in restore mode, let's do this
	if (client->mode->index == MODE_RESTORE) {
		info("About to restore device... \n");
		result = restore_device(client, build_identity, filesystem);
		if (result < 0) {
			error("ERROR: Unable to restore device\n");
			if (delete_fs && filesystem)
				unlink(filesystem);
			return result;
		}
	}

	info("Cleaning up...\n");
	if (delete_fs && filesystem)
		unlink(filesystem);

	/* special handling of AppleTVs */
	if (strncmp(client->device->product_type, "AppleTV", 7) == 0) {
		if (recovery_client_new(client) == 0) {
			if (recovery_set_autoboot(client, 1) == 0) {
				recovery_send_reset(client);
			} else {
				error("Setting auto-boot failed?!\n");
			}
		} else {
			error("Could not connect to device in recovery mode.\n");
		}
	}

	info("DONE\n");

	if (result == 0) {
		idevicerestore_progress(client, RESTORE_NUM_STEPS-1, 1.0);
	}

	return result;
}
コード例 #6
0
ファイル: tss.c プロジェクト: libimobiledevice/idevicerestore
int tss_request_add_yonkers_tags(plist_t request, plist_t parameters, plist_t overrides, char **component_name)
{
	plist_t node = NULL;

	plist_t manifest_node = plist_dict_get_item(parameters, "Manifest");
	if (!manifest_node || plist_get_node_type(manifest_node) != PLIST_DICT) {
		error("ERROR: %s: Unable to get restore manifest from parameters\n", __func__);
		return -1;
	}

	/* add tags indicating we want to get the Savage,Ticket */
	plist_dict_set_item(request, "@BBTicket", plist_new_bool(1));
	plist_dict_set_item(request, "@Yonkers,Ticket", plist_new_bool(1));

	/* add SEP */
	node = plist_access_path(manifest_node, 2, "SEP", "Digest");
	if (!node) {
		error("ERROR: Unable to get SEP digest from manifest\n");
		return -1;
	}
	plist_t dict = plist_new_dict();
	plist_dict_set_item(dict, "Digest", plist_copy(node));
	plist_dict_set_item(request, "SEP", dict);

	{
		static const char *keys[] = {"Yonkers,AllowOfflineBoot", "Yonkers,BoardID", "Yonkers,ChipID", "Yonkers,ECID", "Yonkers,Nonce", "Yonkers,PatchEpoch", "Yonkers,ProductionMode", "Yonkers,ReadECKey", "Yonkers,ReadFWKey", };
		int i;
		for (i = 0; i < (int)(sizeof(keys) / sizeof(keys[0])); ++i) {
			node = plist_dict_get_item(parameters, keys[i]);
			if (!node) {
				error("ERROR: %s: Unable to find required %s in parameters\n", __func__, keys[i]);
			}
			plist_dict_set_item(request, keys[i], plist_copy(node));
			node = NULL;
		}
	}

	char *comp_name = NULL;
	plist_t comp_node = NULL;
	uint8_t isprod = 1;
	uint64_t fabrevision = (uint64_t)-1;

	node = plist_dict_get_item(parameters, "Yonkers,ProductionMode");
	if (node && (plist_get_node_type(node) == PLIST_BOOLEAN)) {
		plist_get_bool_val(node, &isprod);
	}

	node = plist_dict_get_item(parameters, "Yonkers,FabRevision");
	if (node && (plist_get_node_type(node) == PLIST_UINT)) {
		plist_get_uint_val(node, &fabrevision);
	}

	plist_dict_iter iter = NULL;
	plist_dict_new_iter(manifest_node, &iter);
	while (iter) {
		node = NULL;
		comp_name = NULL;
		plist_dict_next_item(manifest_node, iter, &comp_name, &node);
		if (comp_name == NULL) {
			node = NULL;
			break;
		}
		if (strncmp(comp_name, "Yonkers,", 8) == 0) {
			int target_node = 1;
			plist_t sub_node;
			if ((sub_node = plist_dict_get_item(node, "EPRO")) != NULL && plist_get_node_type(sub_node) == PLIST_BOOLEAN) {
				uint8_t b = 0;
				plist_get_bool_val(sub_node, &b);
				target_node &= ((isprod) ? b : !b);
			}
			if ((sub_node = plist_dict_get_item(node, "FabRevision")) != NULL && plist_get_node_type(sub_node) == PLIST_UINT) {
				uint64_t v = 0;
				plist_get_uint_val(sub_node, &v);
				target_node &= (v == fabrevision);
			}
			if (target_node) {
				comp_node = node;
				break;
			}
		}
		free(comp_name);
	}
	free(iter);

	if (comp_name == NULL) {
		error("ERROR: No Yonkers node for %s/%lu\n", (isprod) ? "Production" : "Development", (unsigned long)fabrevision);
		return -1;
	}

	/* add Yonkers,SysTopPatch* */
	if (comp_node != NULL) {
		plist_t comp_dict = plist_copy(comp_node);
		plist_dict_remove_item(comp_dict, "Info");
		plist_dict_set_item(request, comp_name, comp_dict);
	}

	if (component_name) {
		*component_name = comp_name;
	} else {
		free(comp_name);
	}

	/* apply overrides */
	if (overrides) {
		plist_dict_merge(&request, overrides);
	}

	return 0;
}
コード例 #7
0
ファイル: tss.c プロジェクト: libimobiledevice/idevicerestore
int tss_request_add_savage_tags(plist_t request, plist_t parameters, plist_t overrides, char **component_name)
{
	plist_t node = NULL;

	plist_t manifest_node = plist_dict_get_item(parameters, "Manifest");
	if (!manifest_node || plist_get_node_type(manifest_node) != PLIST_DICT) {
		error("ERROR: %s: Unable to get restore manifest from parameters\n", __func__);
		return -1;
	}

	/* add tags indicating we want to get the Savage,Ticket */
	plist_dict_set_item(request, "@BBTicket", plist_new_bool(1));
	plist_dict_set_item(request, "@Savage,Ticket", plist_new_bool(1));

	/* add Savage,UID */
	node = plist_dict_get_item(parameters, "Savage,UID");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,UID in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,UID", plist_copy(node));
	node = NULL;

	/* add SEP */
	node = plist_access_path(manifest_node, 2, "SEP", "Digest");
	if (!node) {
		error("ERROR: Unable to get SEP digest from manifest\n");
		return -1;
	}
	plist_t dict = plist_new_dict();
	plist_dict_set_item(dict, "Digest", plist_copy(node));
	plist_dict_set_item(request, "SEP", dict);

	/* add Savage,PatchEpoch */
	node = plist_dict_get_item(parameters, "Savage,PatchEpoch");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,PatchEpoch in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,PatchEpoch", plist_copy(node));
	node = NULL;

	/* add Savage,ChipID */
	node = plist_dict_get_item(parameters, "Savage,ChipID");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,ChipID in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,ChipID", plist_copy(node));
	node = NULL;

	/* add Savage,AllowOfflineBoot */
	node = plist_dict_get_item(parameters, "Savage,AllowOfflineBoot");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,AllowOfflineBoot in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,AllowOfflineBoot", plist_copy(node));
	node = NULL;

	/* add Savage,ReadFWKey */
	node = plist_dict_get_item(parameters, "Savage,ReadFWKey");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,ReadFWKey in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,ReadFWKey", plist_copy(node));
	node = NULL;

	/* add Savage,ProductionMode */
	node = plist_dict_get_item(parameters, "Savage,ProductionMode");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,ProductionMode in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,ProductionMode", plist_copy(node));
	const char *comp_name = NULL;
	uint8_t isprod = 0;
	plist_get_bool_val(node, &isprod);
	node = NULL;

	/* get the right component name */
	comp_name = (isprod) ?  "Savage,B0-Prod-Patch" : "Savage,B0-Dev-Patch";
	node = plist_dict_get_item(parameters, "Savage,Revision");
	if (node && (plist_get_node_type(node) == PLIST_DATA)) {
		unsigned char *savage_rev = NULL;
		uint64_t savage_rev_len = 0;
		plist_get_data_val(node, (char**)&savage_rev, &savage_rev_len);
		if (savage_rev_len > 0) {
			if (((savage_rev[0] | 0x10) & 0xF0) == 0x30) {
				comp_name = (isprod) ? "Savage,B2-Prod-Patch" : "Savage,B2-Dev-Patch";
			} else if ((savage_rev[0] & 0xF0) == 0xA0) {
				comp_name = (isprod) ? "Savage,BA-Prod-Patch" : "Savage,BA-Dev-Patch";
			}
		}
		free(savage_rev);
	}

	/* add Savage,B?-*-Patch */
	node = plist_dict_get_item(manifest_node, comp_name);
	if (!node) {
		error("ERROR: Unable to get %s entry from manifest\n", comp_name);
		return -1;
	}
	dict = plist_copy(node);
	plist_dict_remove_item(dict, "Info");
	plist_dict_set_item(request, comp_name, dict);

	if (component_name) {
		*component_name = strdup(comp_name);
	}

	/* add Savage,Nonce */
	node = plist_dict_get_item(parameters, "Savage,Nonce");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,Nonce in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,Nonce", plist_copy(node));
	node = NULL;

	/* add Savage,ReadECKey */
	node = plist_dict_get_item(parameters, "Savage,ReadECKey");
	if (!node) {
		error("ERROR: %s: Unable to find required Savage,ReadECKey in parameters\n", __func__);
		return -1;
	}
	plist_dict_set_item(request, "Savage,ReadECKey", plist_copy(node));
	node = NULL;

	/* apply overrides */
	if (overrides) {
		plist_dict_merge(&request, overrides);
	}

	return 0;
}
コード例 #8
0
ファイル: ipsw.c プロジェクト: Blackmamba0/idevicerestore
int ipsw_get_latest_fw(plist_t version_data, const char* product, char** fwurl, unsigned char* sha1buf)
{
	*fwurl = NULL;
	if (sha1buf != NULL) {
		memset(sha1buf, '\0', 20);
	}

	plist_t n1 = plist_dict_get_item(version_data, "MobileDeviceSoftwareVersionsByVersion");
	if (!n1) {
		error("%s: ERROR: Can't find MobileDeviceSoftwareVersionsByVersion dict in version data\n", __func__);
		return -1;
	}

	plist_dict_iter iter = NULL;
	plist_dict_new_iter(n1, &iter);
	if (!iter) {
		error("%s: ERROR: Can't get dict iter\n", __func__);
		return -1;
	}
	char* key = NULL;
	long long unsigned int major = 0;
	plist_t val = NULL;
	do {
		plist_dict_next_item(n1, iter, &key, &val);
		if (key) {
			plist_t pr = plist_access_path(n1, 3, key, "MobileDeviceSoftwareVersions", product);
			if (pr) {
				long long unsigned int v = strtoull(key, NULL, 10);
				if (v > major)
					major = v;
			}
			free(key);
		}
	} while (val);
	free(iter);

	if (major == 0) {
		error("%s: ERROR: Can't find major version?!\n", __func__);
		return -1;
	}

	char majstr[32]; // should be enough for a uint64_t value
	sprintf(majstr, FMT_qu, (long long unsigned int)major);
	n1 = plist_access_path(version_data, 7, "MobileDeviceSoftwareVersionsByVersion", majstr, "MobileDeviceSoftwareVersions", product, "Unknown", "Universal", "Restore");
	if (!n1) {
		error("%s: ERROR: Can't get Unknown/Universal/Restore node?!\n", __func__);
		return -1;
	}

	plist_t n2 = plist_dict_get_item(n1, "BuildVersion");
	if (!n2 || (plist_get_node_type(n2) != PLIST_STRING)) {
		error("%s: ERROR: Can't get build version node?!\n", __func__);
		return -1;
	}

	char* strval = NULL;
	plist_get_string_val(n2, &strval);

	n1 = plist_access_path(version_data, 5, "MobileDeviceSoftwareVersionsByVersion", majstr, "MobileDeviceSoftwareVersions", product, strval);
	if (!n1) {
		error("%s: ERROR: Can't get MobileDeviceSoftwareVersions/%s node?!\n", __func__, strval);
		free(strval);
		return -1;
	}
	free(strval);

	strval = NULL;
	n2 = plist_dict_get_item(n1, "SameAs");
	if (n2) {
		plist_get_string_val(n2, &strval);
	}
	if (strval) {
		n1 = plist_access_path(version_data, 5, "MobileDeviceSoftwareVersionsByVersion", majstr, "MobileDeviceSoftwareVersions", product, strval);
		free(strval);
		strval = NULL;
		if (!n1 || (plist_dict_get_size(n1) == 0)) {
			error("%s: ERROR: Can't get MobileDeviceSoftwareVersions/%s dict\n", __func__, product);
			return -1;
		}
	}

	n2 = plist_access_path(n1, 2, "Update", "BuildVersion");
	if (n2) {
		strval = NULL;
		plist_get_string_val(n2, &strval);
		if (strval) {
			n1 = plist_access_path(version_data, 5, "MobileDeviceSoftwareVersionsByVersion", majstr, "MobileDeviceSoftwareVersions", product, strval);
			free(strval);
			strval = NULL;
		}
	}

	n2 = plist_access_path(n1, 2, "Restore", "FirmwareURL");
	if (!n2 || (plist_get_node_type(n2) != PLIST_STRING)) {
		error("%s: ERROR: Can't get FirmwareURL node\n", __func__);
		return -1;
	}

	plist_get_string_val(n2, fwurl);

	if (sha1buf != NULL) {
		n2 = plist_access_path(n1, 2, "Restore", "FirmwareSHA1");
		if (n2 && plist_get_node_type(n2) == PLIST_STRING) {
			strval = NULL;
			plist_get_string_val(n2, &strval);
			if (strval) {
				if (strlen(strval) == 40) {
					int i;
					int v;
					for (i = 0; i < 40; i+=2) {
						v = 0;
						sscanf(strval+i, "%02x", &v);
						sha1buf[i/2] = (unsigned char)v;
					}
				}
				free(strval);
			}
		}
	}

	return 0;
}
コード例 #9
0
int main(int argc, char* argv[]) {
	int opt = 0;
	int optindex = 0;
	char* ipsw = NULL;
	char* uuid = NULL;
	int tss_enabled = 0;
	int shsh_only = 0;
	char* shsh_dir = NULL;
	use_apple_server=1;

	// create an instance of our context
	struct idevicerestore_client_t* client = (struct idevicerestore_client_t*) malloc(sizeof(struct idevicerestore_client_t));
	if (client == NULL) {
		error("ERROR: Out of memory\n");
		return -1;
	}
	memset(client, '\0', sizeof(struct idevicerestore_client_t));

	while ((opt = getopt_long(argc, argv, "dhcesxtpi:u:", longopts, &optindex)) > 0) {
		switch (opt) {
		case 'h':
			usage(argc, argv);
			return 0;

		case 'd':
			client->flags |= FLAG_DEBUG;
			idevicerestore_debug = 1;
			break;

		case 'e':
			client->flags |= FLAG_ERASE;
			break;

		case 'c':
			client->flags |= FLAG_CUSTOM;
			break;

		case 's':
			use_apple_server=0;
			break;

		case 'x':
			client->flags |= FLAG_EXCLUDE;
			break;

		case 'i':
			if (optarg) {
				char* tail = NULL;
				client->ecid = strtoull(optarg, &tail, 16);
				if (tail && (tail[0] != '\0')) {
					client->ecid = 0;
				}
				if (client->ecid == 0) {
					error("ERROR: Could not parse ECID from '%s'\n", optarg);
					return -1;
				}
			}
			break;

		case 'u':
			uuid = optarg;
			break;

		case 't':
			shsh_only = 1;
			break;

		case 'p':
			client->flags |= FLAG_PWN;
			break;

		default:
			usage(argc, argv);
			return -1;
		}
	}

	if (((argc-optind) == 1) || (client->flags & FLAG_PWN)) {
		argc -= optind;
		argv += optind;

		ipsw = argv[0];
	} else {
		usage(argc, argv);
		return -1;
	}

	if (client->flags & FLAG_DEBUG) {
		idevice_set_debug_level(1);
		irecv_set_debug_level(1);
	}

	client->uuid = uuid;
	client->ipsw = ipsw;

	// update version data (from cache, or apple if too old)
	load_version_data(client);

	// check which mode the device is currently in so we know where to start
	if (check_mode(client) < 0 || client->mode->index == MODE_UNKNOWN) {
		error("ERROR: Unable to discover device mode. Please make sure a device is attached.\n");
		return -1;
	}
	info("Found device in %s mode\n", client->mode->string);

	if (client->mode->index == MODE_WTF) {
		int cpid = 0;

		if (dfu_client_new(client) != 0) {
			error("ERROR: Could not open device in WTF mode\n");
			return -1;
		}
		if ((dfu_get_cpid(client, &cpid) < 0) || (cpid == 0)) { 
			error("ERROR: Could not get CPID for WTF mode device\n");
			dfu_client_free(client);
			return -1;
		}

		char* s_wtfurl = NULL;
		plist_t wtfurl = plist_access_path(client->version_data, 7, "MobileDeviceSoftwareVersionsByVersion", "5", "RecoverySoftwareVersions", "WTF", "304218112", "5", "FirmwareURL");
		if (wtfurl && (plist_get_node_type(wtfurl) == PLIST_STRING)) {
			plist_get_string_val(wtfurl, &s_wtfurl);
		}
		if (!s_wtfurl) {
			info("Using hardcoded x12220000_5_Recovery.ipsw URL\n");
			s_wtfurl = strdup("http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone/061-6618.20090617.Xse7Y/x12220000_5_Recovery.ipsw");
		}

		// make a local file name
		char* fnpart = strrchr(s_wtfurl, '/');
		if (!fnpart) {
			fnpart = "x12220000_5_Recovery.ipsw";
		} else {
			fnpart++;
		}
		struct stat fst;
		char wtfipsw[256];
		sprintf(wtfipsw, "cache/%s", fnpart);
		if (stat(wtfipsw, &fst) != 0) {
			__mkdir("cache", 0755);
			download_to_file(s_wtfurl, wtfipsw);
		}

		char wtfname[256];
		sprintf(wtfname, "Firmware/dfu/WTF.s5l%04xxall.RELEASE.dfu", cpid);
		char* wtftmp = NULL;
		uint32_t wtfsize = 0;
		ipsw_extract_to_memory(wtfipsw, wtfname, &wtftmp, &wtfsize);
		if (!wtftmp) {
			error("ERROR: Could not extract WTF\n");
		} else {
			if (dfu_send_buffer(client, wtftmp, wtfsize) != 0) {
				error("ERROR: Could not send WTF...\n");
			}
		}
		dfu_client_free(client);

		sleep(1);

		free(wtftmp);
		client->mode = &idevicerestore_modes[MODE_DFU];
	}

	// discover the device type
	if (check_device(client) < 0 || client->device->index == DEVICE_UNKNOWN) {
		error("ERROR: Unable to discover device type\n");
		return -1;
	}
	info("Identified device as %s\n", client->device->product);

	if ((client->flags & FLAG_PWN) && (client->mode->index != MODE_DFU)) {
		error("ERROR: you need to put your device into DFU mode to pwn it.\n");
		return -1;
	}

	if (client->flags & FLAG_PWN) {
		recovery_client_free(client);

		info("connecting to DFU\n");
		if (dfu_client_new(client) < 0) {
			return -1;
		}
		info("exploiting with limera1n...\n");
		// TODO: check for non-limera1n device and fail
		if (limera1n_exploit(client->device, client->dfu->client) != 0) {
			error("ERROR: limera1n exploit failed\n");
			dfu_client_free(client);
			return -1;
		}
		dfu_client_free(client);
		info("Device should be in pwned DFU state now.\n");

		return 0;
	}

	if (client->mode->index == MODE_RESTORE) {
		if (restore_reboot(client) < 0) {
			error("ERROR: Unable to exit restore mode\n");
			return -1;
		}
	}

	// extract buildmanifest
	plist_t buildmanifest = NULL;
	if (client->flags & FLAG_CUSTOM) {
		info("Extracting Restore.plist from IPSW\n");
		if (ipsw_extract_restore_plist(ipsw, &buildmanifest) < 0) {
			error("ERROR: Unable to extract Restore.plist from %s\n", ipsw);
			return -1;
		}
	} else {
		info("Extracting BuildManifest from IPSW\n");
		if (ipsw_extract_build_manifest(ipsw, &buildmanifest, &tss_enabled) < 0) {
			error("ERROR: Unable to extract BuildManifest from %s\n", ipsw);
			return -1;
		}
	}

	/* check if device type is supported by the given build manifest */
	if (build_manifest_check_compatibility(buildmanifest, client->device->product) < 0) {
		error("ERROR: could not make sure this firmware is suitable for the current device. refusing to continue.\n");
		return -1;
	}

	/* print iOS information from the manifest */
	build_manifest_get_version_information(buildmanifest, &client->version, &client->build);

	info("Product Version: %s\n", client->version);
	info("Product Build: %s\n", client->build);

	if (client->flags & FLAG_CUSTOM) {
		/* prevent signing custom firmware */
		tss_enabled = 0;
		info("Custom firmware requested. Disabled TSS request.\n");
	}

	// choose whether this is an upgrade or a restore (default to upgrade)
	client->tss = NULL;
	plist_t build_identity = NULL;
	if (client->flags & FLAG_CUSTOM) {
		build_identity = plist_new_dict();
		{
			plist_t node;
			plist_t comp;
			plist_t info;
			plist_t manifest;

			info = plist_new_dict();
			plist_dict_insert_item(info, "RestoreBehavior", plist_new_string((client->flags & FLAG_ERASE) ? "Erase" : "Update"));
			plist_dict_insert_item(info, "Variant", plist_new_string((client->flags & FLAG_ERASE) ? "Customer Erase Install (IPSW)" : "Customer Upgrade Install (IPSW)"));
			plist_dict_insert_item(build_identity, "Info", info);

			manifest = plist_new_dict();

			char tmpstr[256];
			char p_all_flash[128];
			char lcmodel[8];
			strcpy(lcmodel, client->device->model);
			int x = 0;
			while (lcmodel[x]) {
				lcmodel[x] = tolower(lcmodel[x]);
				x++;
			}

			sprintf(p_all_flash, "Firmware/all_flash/all_flash.%s.%s", lcmodel, "production");
			strcpy(tmpstr, p_all_flash);
			strcat(tmpstr, "/manifest");

			// get all_flash file manifest
			char *files[16];
			char *fmanifest = NULL;
			uint32_t msize = 0;
			if (ipsw_extract_to_memory(ipsw, tmpstr, &fmanifest, &msize) < 0) {
				error("ERROR: could not extract %s from IPSW\n", tmpstr);
				return -1;
			}

			char *tok = strtok(fmanifest, "\r\n");
			int fc = 0;
			while (tok) {
				files[fc++] = strdup(tok);
				if (fc >= 16) {
					break;
				}
				tok = strtok(NULL, "\r\n");
			}
			free(fmanifest);

			for (x = 0; x < fc; x++) {
				info = plist_new_dict();
				strcpy(tmpstr, p_all_flash);
				strcat(tmpstr, "/");
				strcat(tmpstr, files[x]);
				plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
				comp = plist_new_dict();
				plist_dict_insert_item(comp, "Info", info);
				const char* compname = get_component_name(files[x]);
				if (compname) {
					plist_dict_insert_item(manifest, compname, comp);
					if (!strncmp(files[x], "DeviceTree", 10)) {
						plist_dict_insert_item(manifest, "RestoreDeviceTree", plist_copy(comp));
					}
				} else {
					error("WARNING: unhandled component %s\n", files[x]);
					plist_free(comp);
				}
				free(files[x]);
				files[x] = NULL;
			}

			// add iBSS
			sprintf(tmpstr, "Firmware/dfu/iBSS.%s.%s.dfu", lcmodel, "RELEASE");
			info = plist_new_dict();
			plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
			comp = plist_new_dict();
			plist_dict_insert_item(comp, "Info", info);
			plist_dict_insert_item(manifest, "iBSS", comp);

			// add iBEC
			sprintf(tmpstr, "Firmware/dfu/iBEC.%s.%s.dfu", lcmodel, "RELEASE");
			info = plist_new_dict();
			plist_dict_insert_item(info, "Path", plist_new_string(tmpstr));
			comp = plist_new_dict();
			plist_dict_insert_item(comp, "Info", info);
			plist_dict_insert_item(manifest, "iBEC", comp);

			// add kernel cache
			node = plist_dict_get_item(buildmanifest, "KernelCachesByTarget");
			if (node && (plist_get_node_type(node) == PLIST_DICT)) {
				char tt[4];
				strncpy(tt, lcmodel, 3);
				tt[3] = 0;
				plist_t kdict = plist_dict_get_item(node, tt);
				if (kdict && (plist_get_node_type(kdict) == PLIST_DICT)) {
					plist_t kc = plist_dict_get_item(kdict, "Release");
					if (kc && (plist_get_node_type(kc) == PLIST_STRING)) {
						info = plist_new_dict();
						plist_dict_insert_item(info, "Path", plist_copy(kc));
						comp = plist_new_dict();
						plist_dict_insert_item(comp, "Info", info);
						plist_dict_insert_item(manifest, "KernelCache", comp);
						plist_dict_insert_item(manifest, "RestoreKernelCache", plist_copy(comp));

					}
				}
			}

			// add ramdisk
			node = plist_dict_get_item(buildmanifest, "RestoreRamDisks");
			if (node && (plist_get_node_type(node) == PLIST_DICT)) {
				plist_t rd = plist_dict_get_item(node, (client->flags & FLAG_ERASE) ? "User" : "Update");
				if (rd && (plist_get_node_type(rd) == PLIST_STRING)) {
					info = plist_new_dict();
					plist_dict_insert_item(info, "Path", plist_copy(rd));
					comp = plist_new_dict();
					plist_dict_insert_item(comp, "Info", info);
					plist_dict_insert_item(manifest, "RestoreRamDisk", comp);
				}
			}

			// add OS filesystem
			node = plist_dict_get_item(buildmanifest, "SystemRestoreImages");
			if (!node) {
				error("ERROR: missing SystemRestoreImages in Restore.plist\n");
			}
			plist_t os = plist_dict_get_item(node, "User");
			if (!os) {
				error("ERROR: missing filesystem in Restore.plist\n");
			} else {
				info = plist_new_dict();
				plist_dict_insert_item(info, "Path", plist_copy(os));
				comp = plist_new_dict();
				plist_dict_insert_item(comp, "Info", info);
				plist_dict_insert_item(manifest, "OS", comp);
			}

			// finally add manifest
			plist_dict_insert_item(build_identity, "Manifest", manifest);
		}
	} else if (client->flags & FLAG_ERASE) {
		build_identity = build_manifest_get_build_identity(buildmanifest, 0);
		if (build_identity == NULL) {
			error("ERROR: Unable to find any build identities\n");
			plist_free(buildmanifest);
			return -1;
		}
	} else {
		// loop through all build identities in the build manifest
		// and list the valid ones
		int i = 0;
		int valid_builds = 0;
		int build_count = build_manifest_get_identity_count(buildmanifest);
		for (i = 0; i < build_count; i++) {
			build_identity = build_manifest_get_build_identity(buildmanifest, i);
			valid_builds++;
		}
	}

	/* print information about current build identity */
	build_identity_print_information(build_identity);

	/* retrieve shsh blobs if required */
	if (tss_enabled) {
		debug("Getting device's ECID for TSS request\n");
		/* fetch the device's ECID for the TSS request */
		if (get_ecid(client, &client->ecid) < 0) {
			error("ERROR: Unable to find device ECID\n");
			return -1;
		}
		info("Found ECID " FMT_qu "\n", (long long unsigned int)client->ecid);

		if (get_shsh_blobs(client, client->ecid, NULL, 0, build_identity, &client->tss) < 0) {
			error("ERROR: Unable to get SHSH blobs for this device\n");
			return -1;
		}
	}

	if (shsh_only) {
		if (!tss_enabled) {
			info("This device does not require a TSS record");
			return 0;
		}
		if (!client->tss) {
			error("ERROR: could not fetch TSS record");
			plist_free(buildmanifest);
			return -1;
		} else {
			char *bin = NULL;
			uint32_t blen = 0;
			plist_to_bin(client->tss, &bin, &blen);
			if (bin) {
				char zfn[512];
				sprintf(zfn, "shsh/" FMT_qu "-%s-%s.shsh", (long long int)client->ecid, client->device->product, client->version);
				__mkdir("shsh", 0755);
				struct stat fst;
				if (stat(zfn, &fst) != 0) {
					gzFile zf = gzopen(zfn, "wb");
					gzwrite(zf, bin, blen);
					gzclose(zf);
					info("SHSH saved to '%s'\n", zfn);
				} else {
					info("SHSH '%s' already present.\n", zfn);
				}
				free(bin);
			} else {
				error("ERROR: could not get TSS record data\n");
			}
			plist_free(client->tss);
			plist_free(buildmanifest);
			return 0;
		}
	}

	/* verify if we have tss records if required */
	if ((tss_enabled) && (client->tss == NULL)) {
		error("ERROR: Unable to proceed without a TSS record.\n");
		plist_free(buildmanifest);
		return -1;
	}

	if ((tss_enabled) && client->tss) {
		/* fix empty dicts */
		fixup_tss(client->tss);
	}

	// Extract filesystem from IPSW and return its name
	char* filesystem = NULL;
	if (ipsw_extract_filesystem(client->ipsw, build_identity, &filesystem) < 0) {
		error("ERROR: Unable to extract filesystem from IPSW\n");
		if (client->tss)
			plist_free(client->tss);
		plist_free(buildmanifest);
		return -1;
	}

	// if the device is in normal mode, place device into recovery mode
	if (client->mode->index == MODE_NORMAL) {
		info("Entering recovery mode...\n");
		if (normal_enter_recovery(client) < 0) {
			error("ERROR: Unable to place device into recovery mode\n");
			if (client->tss)
				plist_free(client->tss);
			plist_free(buildmanifest);
			return -1;
		}
	}

	// if the device is in DFU mode, place device into recovery mode
	if (client->mode->index == MODE_DFU) {
		recovery_client_free(client);
		if (client->flags & FLAG_CUSTOM) {
			info("connecting to DFU\n");
			if (dfu_client_new(client) < 0) {
				return -1;
			}
			info("exploiting with limera1n\n");
			// TODO: check for non-limera1n device and fail
			if (limera1n_exploit(client->device, client->dfu->client) != 0) {
				error("ERROR: limera1n exploit failed\n");
				dfu_client_free(client);
				return -1;
			}
			dfu_client_free(client);
			info("exploited\n");
		}
		if (dfu_enter_recovery(client, build_identity) < 0) {
			error("ERROR: Unable to place device into recovery mode\n");
			plist_free(buildmanifest);
			if (client->tss)
				plist_free(client->tss);
			return -1;
		}
	}

	if (client->mode->index == MODE_DFU) {
		client->mode = &idevicerestore_modes[MODE_RECOVERY];
	} else {
		/* now we load the iBEC */
		if (recovery_send_ibec(client, build_identity) < 0) {
			error("ERROR: Unable to send iBEC\n");
			return -1;
		}
		recovery_client_free(client);
	
		/* this must be long enough to allow the device to run the iBEC */
		/* FIXME: Probably better to detect if the device is back then */
		sleep(7);
	}

	if (client->build[0] > '8') {
		// we need another tss request with nonce.
		unsigned char* nonce = NULL;
		int nonce_size = 0;
		int nonce_changed = 0;
		if (get_nonce(client, &nonce, &nonce_size) < 0) {
			error("ERROR: Unable to get nonce from device!\n");
			recovery_send_reset(client);
			return -1;
		}

		if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
			nonce_changed = 1;
			if (client->nonce) {
				free(client->nonce);
			}
			client->nonce = nonce;
			client->nonce_size = nonce_size;
		} else {
			free(nonce);
		}

		info("Nonce: ");
		int i;
		for (i = 0; i < client->nonce_size; i++) {
			info("%02x ", client->nonce[i]);
		}
		info("\n");

		if (nonce_changed && !(client->flags & FLAG_CUSTOM)) {
			// Welcome iOS5. We have to re-request the TSS with our nonce.
			plist_free(client->tss);
			if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
				error("ERROR: Unable to get SHSH blobs for this device\n");
				return -1;
			}
			if (!client->tss) {
				error("ERROR: can't continue without TSS\n");
				return -1;
			}
			fixup_tss(client->tss);
		}
	}

	// now finally do the magic to put the device into restore mode
	if (client->mode->index == MODE_RECOVERY) {
		if (client->srnm == NULL) {
			error("ERROR: could not retrieve device serial number. Can't continue.\n");
			return -1;
		}
		if (recovery_enter_restore(client, build_identity) < 0) {
			error("ERROR: Unable to place device into restore mode\n");
			plist_free(buildmanifest);
			if (client->tss)
				plist_free(client->tss);
			return -1;
		}
	}

	// device is finally in restore mode, let's do this
	if (client->mode->index == MODE_RESTORE) {
		info("About to restore device... \n");
		if (restore_device(client, build_identity, filesystem) < 0) {
			error("ERROR: Unable to restore device\n");
			return -1;
		}
	}

	info("Cleaning up...\n");
	if (filesystem)
		unlink(filesystem);

	info("DONE\n");
	return 0;
}