/* * tss.c * Functions for communicating with Apple's TSS server * * Copyright (c) 2010-2013 Martin Szulecki. All Rights Reserved. * Copyright (c) 2012 Nikias Bassen. All Rights Reserved. * Copyright (c) 2010 Joshua Hill. All Rights Reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "tss.h" #include "img3.h" #include "common.h" #include "idevicerestore.h" #include "endianness.h" #define AUTH_VERSION "914.120.2" #ifdef WIN32 #define TSS_CLIENT_VERSION_STRING "libauthinstall_Win-"AUTH_VERSION"" #else #define TSS_CLIENT_VERSION_STRING "libauthinstall-"AUTH_VERSION"" #endif #define ECID_STRSIZE 0x20 typedef struct { int length; char* content; } tss_response; char* ecid_to_string(uint64_t ecid) { char* ecid_string = malloc(ECID_STRSIZE); memset(ecid_string, '\0', ECID_STRSIZE); if (ecid == 0) { error("ERROR: Invalid ECID passed.\n"); return NULL; } snprintf(ecid_string, ECID_STRSIZE, "%"PRIu64, ecid); return ecid_string; } plist_t tss_request_new(plist_t overrides) { plist_t request = plist_new_dict(); plist_dict_set_item(request, "@HostPlatformInfo", #ifdef WIN32 plist_new_string("windows") #else plist_new_string("mac") #endif ); plist_dict_set_item(request, "@VersionInfo", plist_new_string(TSS_CLIENT_VERSION_STRING)); char* guid = generate_guid(); if (guid) { plist_dict_set_item(request, "@UUID", plist_new_string(guid)); free(guid); } /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return request; } int tss_request_add_local_policy_tags(plist_t request, plist_t parameters) { plist_dict_set_item(request, "@ApImg4Ticket", plist_new_bool(1)); if (_plist_dict_copy_bool(request, parameters, "Ap,LocalBoot", NULL) < 0) { error("ERROR: Unable to find required Ap,LocalBoot in parameters\n"); return -1; } if (_plist_dict_copy_item(request, parameters, "Ap,LocalPolicy", NULL) < 0) { error("ERROR: Unable to find required Ap,LocalPolicy in parameters\n"); return -1; } if (_plist_dict_copy_data(request, parameters, "Ap,NextStageIM4MHash", NULL) < 0) { error("ERROR: Unable to find required Ap,NextStageIM4MHash in parameters\n"); return -1; } _plist_dict_copy_data(request, parameters, "Ap,RecoveryOSPolicyNonceHash", NULL); _plist_dict_copy_data(request, parameters, "Ap,VolumeUUID", NULL); _plist_dict_copy_uint(request, parameters, "ApECID", NULL); _plist_dict_copy_uint(request, parameters, "ApChipID", NULL); _plist_dict_copy_uint(request, parameters, "ApBoardID", NULL); _plist_dict_copy_uint(request, parameters, "ApSecurityDomain", NULL); _plist_dict_copy_data(request, parameters, "ApNonce", NULL); if (!plist_dict_get_item(request, "ApSecurityMode")) { /* copy from parameters if available */ if (_plist_dict_copy_bool(request, parameters, "ApSecurityMode", NULL) < 0) { error("ERROR: Unable to find required ApSecurityMode in parameters\n"); return -1; } } if (!plist_dict_get_item(request, "ApProductionMode")) { /* copy from parameters if available */ if (_plist_dict_copy_bool(request, parameters, "ApProductionMode", NULL) < 0) { error("ERROR: Unable to find required ApProductionMode in parameters\n"); return -1; } } return 0; } int tss_parameters_add_from_manifest(plist_t parameters, plist_t build_identity, bool include_manifest) { plist_t node = NULL; if (_plist_dict_copy_data(parameters, build_identity, "UniqueBuildID", NULL) < 0) { error("ERROR: Unable to find UniqueBuildID node\n"); return -1; } _plist_dict_copy_string(parameters, build_identity, "Ap,OSLongVersion", NULL); if (_plist_dict_copy_uint(parameters, build_identity, "ApChipID", NULL) < 0) {; error("ERROR: Unable to find ApChipID node\n"); return -1; } if (_plist_dict_copy_uint(parameters, build_identity, "ApBoardID", NULL) < 0) { error("ERROR: Unable to find ApBoardID node\n"); return -1; } _plist_dict_copy_uint(parameters, build_identity, "ApSecurityDomain", NULL); _plist_dict_copy_uint(parameters, build_identity, "BMU,BoardID", NULL); _plist_dict_copy_uint(parameters, build_identity, "BMU,ChipID", NULL); if (_plist_dict_copy_uint(parameters, build_identity, "BbChipID", NULL) < 0) { debug("NOTE: Unable to find BbChipID node\n"); } if (_plist_dict_copy_data(parameters, build_identity, "BbProvisioningManifestKeyHash", NULL) < 0) { debug("NOTE: Unable to find BbProvisioningManifestKeyHash node\n"); } if (_plist_dict_copy_data(parameters, build_identity, "BbActivationManifestKeyHash", NULL) < 0) { debug("NOTE: Unable to find BbActivationManifestKeyHash node\n"); } if (_plist_dict_copy_data(parameters, build_identity, "BbCalibrationManifestKeyHash", NULL) < 0) { debug("NOTE: Unable to find BbCalibrationManifestKeyHash node\n"); } if (_plist_dict_copy_data(parameters, build_identity, "BbFactoryActivationManifestKeyHash", NULL) < 0) { debug("NOTE: Unable to find BbFactoryActivationManifestKeyHash node\n"); } if (_plist_dict_copy_data(parameters, build_identity, "BbFDRSecurityKeyHash", NULL) < 0) { debug("NOTE: Unable to find BbFDRSecurityKeyHash node\n"); } /* BbSkeyId - Used by XMM 6180/GSM */ if (_plist_dict_copy_data(parameters, build_identity, "BbSkeyId", NULL) < 0) { debug("NOTE: Unable to find BbSkeyId node\n"); } /* SE,ChipID - Used for SE firmware request */ _plist_dict_copy_uint(parameters, build_identity, "SE,ChipID", NULL); /* Savage,ChipID - Used for Savage firmware request */ _plist_dict_copy_uint(parameters, build_identity, "Savage,ChipID", NULL); /* add Savage,PatchEpoch - Used for Savage firmware request */ _plist_dict_copy_uint(parameters, build_identity, "Savage,PatchEpoch", NULL); /* Yonkers,BoardID - Used for Yonkers firmware request */ _plist_dict_copy_uint(parameters, build_identity, "Yonkers,BoardID", NULL); /* Yonkers,ChipID - Used for Yonkers firmware request */ _plist_dict_copy_uint(parameters, build_identity, "Yonkers,ChipID", NULL); /* add Yonkers,PatchEpoch - Used for Yonkers firmware request */ _plist_dict_copy_uint(parameters, build_identity, "Yonkers,PatchEpoch", NULL); _plist_dict_copy_uint(parameters, build_identity, "Rap,BoardID", NULL); _plist_dict_copy_uint(parameters, build_identity, "Rap,ChipID", NULL); _plist_dict_copy_uint(parameters, build_identity, "Rap,SecurityDomain", NULL); _plist_dict_copy_uint(parameters, build_identity, "Baobab,BoardID", NULL); _plist_dict_copy_uint(parameters, build_identity, "Baobab,ChipID", NULL); _plist_dict_copy_uint(parameters, build_identity, "Baobab,ManifestEpoch", NULL); _plist_dict_copy_uint(parameters, build_identity, "Baobab,SecurityDomain", NULL); _plist_dict_copy_uint(parameters, build_identity, "eUICC,ChipID", NULL); _plist_dict_copy_uint(parameters, build_identity, "NeRDEpoch", NULL); _plist_dict_copy_data(parameters, build_identity, "PearlCertificationRootPub", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,BoardID,1", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,BoardID,2", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,ChipID,1", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,ChipID,2", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,SecurityDomain,1", NULL); _plist_dict_copy_uint(parameters, build_identity, "Timer,SecurityDomain,2", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,ChipID", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,Type", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,SubType", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,ProductClass", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,UseProductClass", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,NonceDomain", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,Version", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,PreauthorizationVersion", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,FakeRoot", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,SystemOS", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,SystemVolume", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,SystemTrustCache", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,AppOS", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,AppVolume", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,AppTrustCache", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,MobileAssetBrainOS", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,MobileAssetBrainVolume", NULL); _plist_dict_copy_item(parameters, build_identity, "Cryptex1,MobileAssetBrainTrustCache", NULL); node = plist_dict_get_item(build_identity, "Info"); if (node) { _plist_dict_copy_bool(parameters, node, "RequiresUIDMode", NULL); } if (include_manifest) { /* add build identity manifest dictionary */ node = plist_dict_get_item(build_identity, "Manifest"); if (!node || plist_get_node_type(node) != PLIST_DICT) { error("ERROR: Unable to find Manifest node\n"); return -1; } plist_dict_set_item(parameters, "Manifest", plist_copy(node)); } return 0; } int tss_request_add_ap_img4_tags(plist_t request, plist_t parameters) { if (!parameters) { error("ERROR: Missing required AP parameters\n"); return -1; } _plist_dict_copy_string(request, parameters, "Ap,OSLongVersion", NULL); if (_plist_dict_copy_data(request, parameters, "ApNonce", NULL) < 0) { error("ERROR: Unable to find required ApNonce in parameters\n"); return -1; } plist_dict_set_item(request, "@ApImg4Ticket", plist_new_bool(1)); if (!plist_dict_get_item(request, "ApSecurityMode")) { /* copy from parameters if available */ if (_plist_dict_copy_bool(request, parameters, "ApSecurityMode", NULL) < 0) { error("ERROR: Unable to find required ApSecurityMode in parameters\n"); return -1; } } if (!plist_dict_get_item(request, "ApProductionMode")) { /* ApProductionMode */ if (_plist_dict_copy_bool(request, parameters, "ApProductionMode", NULL) < 0) { error("ERROR: Unable to find required ApProductionMode in parameters\n"); return -1; } } _plist_dict_copy_data(request, parameters, "SepNonce", "ApSepNonce"); _plist_dict_copy_uint(request, parameters, "NeRDEpoch", NULL); _plist_dict_copy_data(request, parameters, "PearlCertificationRootPub", NULL); if (plist_dict_get_item(parameters, "UID_MODE")) { _plist_dict_copy_item(request, parameters, "UID_MODE", NULL); } else if (_plist_dict_get_bool(parameters, "RequiresUIDMode")) { // The logic here is missing why this value is expected to be 'false' plist_dict_set_item(request, "UID_MODE", plist_new_bool(0)); } return 0; } int tss_request_add_ap_img3_tags(plist_t request, plist_t parameters) { if (!parameters) { error("ERROR: Missing required AP parameters\n"); return -1; } if (_plist_dict_copy_data(request, parameters, "ApNonce", NULL) < 0) { error("ERROR: Unable to find required ApNonce in parameters\n"); return -1; } plist_dict_set_item(request, "@APTicket", plist_new_bool(1)); if (_plist_dict_copy_uint(request, parameters, "ApBoardID", NULL) < 0) { error("ERROR: Unable to find required ApBoardID in request\n"); return -1; } if (_plist_dict_copy_uint(request, parameters, "ApChipID", NULL) < 0) { error("ERROR: Unable to find required ApChipID in request\n"); return -1; } if (_plist_dict_copy_uint(request, parameters, "ApSecurityDomain", NULL) < 0) { error("ERROR: Unable to find required ApSecurityDomain in request\n"); return -1; } if (_plist_dict_copy_bool(request, parameters, "ApProductionMode", NULL) < 0) { error("ERROR: Unable to find required ApProductionMode in parameters\n"); return -1; } return 0; } int tss_request_add_common_tags(plist_t request, plist_t parameters, plist_t overrides) { _plist_dict_copy_uint(request, parameters, "ApECID", NULL); _plist_dict_copy_data(request, parameters, "UniqueBuildID", NULL); _plist_dict_copy_uint(request, parameters, "ApChipID", NULL); _plist_dict_copy_uint(request, parameters, "ApBoardID", NULL); _plist_dict_copy_uint(request, parameters, "ApSecurityDomain", NULL); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } static void tss_entry_apply_restore_request_rules(plist_t tss_entry, plist_t parameters, plist_t rules) { if (!tss_entry || !rules) { return; } if (plist_get_node_type(tss_entry) != PLIST_DICT) { return; } if (plist_get_node_type(rules) != PLIST_ARRAY) { return; } uint32_t i; for (i = 0; i < plist_array_get_size(rules); i++) { plist_t rule = plist_array_get_item(rules, i); plist_t conditions = plist_dict_get_item(rule, "Conditions"); plist_dict_iter iter = NULL; plist_dict_new_iter(conditions, &iter); char* key = NULL; plist_t value = NULL; plist_t value2 = NULL; int conditions_fulfilled = 1; while (conditions_fulfilled) { plist_dict_next_item(conditions, iter, &key, &value); if (key == NULL) break; if (!strcmp(key, "ApRawProductionMode")) { value2 = plist_dict_get_item(parameters, "ApProductionMode"); } else if (!strcmp(key, "ApCurrentProductionMode")) { value2 = plist_dict_get_item(parameters, "ApProductionMode"); } else if (!strcmp(key, "ApRawSecurityMode")) { value2 = plist_dict_get_item(parameters, "ApSecurityMode"); } else if (!strcmp(key, "ApRequiresImage4")) { value2 = plist_dict_get_item(parameters, "ApSupportsImg4"); } else if (!strcmp(key, "ApDemotionPolicyOverride")) { value2 = plist_dict_get_item(parameters, "DemotionPolicy"); } else if (!strcmp(key, "ApInRomDFU")) { value2 = plist_dict_get_item(parameters, "ApInRomDFU"); } else { error("WARNING: Unhandled condition '%s' while parsing RestoreRequestRules\n", key); value2 = NULL; } if (value2) { conditions_fulfilled = plist_compare_node_value(value, value2); } else { conditions_fulfilled = 0; } free(key); } free(iter); iter = NULL; if (!conditions_fulfilled) { continue; } plist_t actions = plist_dict_get_item(rule, "Actions"); plist_dict_new_iter(actions, &iter); while (1) { plist_dict_next_item(actions, iter, &key, &value); if (key == NULL) break; uint8_t bv = 255; plist_get_bool_val(value, &bv); if (bv != 255) { value2 = plist_dict_get_item(tss_entry, key); if (value2) { plist_dict_remove_item(tss_entry, key); } debug("DEBUG: Adding %s=%s to TSS entry\n", key, (bv) ? "true" : "false"); plist_dict_set_item(tss_entry, key, plist_new_bool(bv)); } free(key); } } } int tss_request_add_ap_recovery_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) { free(key); key = NULL; 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"); free(key); return -1; } /* do not populate BaseBandFirmware, only in basebaseband request */ if ((strcmp(key, "BasebandFirmware") == 0)) { continue; } // Compared to ac2, not needed for RecoveryOSRootTicket if ((strcmp(key, "SE,UpdatePayload") == 0)) { continue; } if ((strcmp(key, "BaseSystem") == 0)) { continue; } if ((strcmp(key, "ANS") == 0)) { continue; } if ((strcmp(key, "Ap,AudioBootChime") == 0)) { continue; } if ((strcmp(key, "Ap,CIO") == 0)) { continue; } if ((strcmp(key, "Ap,RestoreCIO") == 0)) { continue; } if ((strcmp(key, "Ap,RestoreTMU") == 0)) { continue; } if ((strcmp(key, "Ap,TMU") == 0)) { continue; } if ((strcmp(key, "Ap,rOSLogo1") == 0)) { continue; } if ((strcmp(key, "Ap,rOSLogo2") == 0)) { continue; } if ((strcmp(key, "AppleLogo") == 0)) { continue; } if ((strcmp(key, "DCP") == 0)) { continue; } if ((strcmp(key, "LLB") == 0)) { continue; } if ((strcmp(key, "RecoveryMode") == 0)) { continue; } if ((strcmp(key, "RestoreANS") == 0)) { continue; } if ((strcmp(key, "RestoreDCP") == 0)) { continue; } if ((strcmp(key, "RestoreDeviceTree") == 0)) { continue; } if ((strcmp(key, "RestoreKernelCache") == 0)) { continue; } if ((strcmp(key, "RestoreLogo") == 0)) { continue; } if ((strcmp(key, "RestoreRamDisk") == 0)) { continue; } if ((strcmp(key, "RestoreSEP") == 0)) { continue; } if ((strcmp(key, "SEP") == 0)) { continue; } if ((strcmp(key, "ftap") == 0)) { continue; } if ((strcmp(key, "ftsp") == 0)) { continue; } if ((strcmp(key, "iBEC") == 0)) { continue; } if ((strcmp(key, "iBSS") == 0)) { continue; } if ((strcmp(key, "rfta") == 0)) { continue; } if ((strcmp(key, "rfts") == 0)) { continue; } /* FIXME: only used with diagnostics firmware */ if (strcmp(key, "Diags") == 0) { continue; } plist_t info_dict = plist_dict_get_item(manifest_entry, "Info"); if (!info_dict) { continue; } if (_plist_dict_get_bool(parameters, "_OnlyFWComponents")) { if (!_plist_dict_get_bool(manifest_entry, "Trusted")) { debug("DEBUG: %s: Skipping '%s' as it is not trusted\n", __func__, key); continue; } if (!_plist_dict_get_bool(info_dict, "IsFirmwarePayload") && !_plist_dict_get_bool(info_dict, "IsSecondaryFirmwarePayload") && !_plist_dict_get_bool(info_dict, "IsFUDFirmware")) { debug("DEBUG: %s: Skipping '%s' as it is neither firmware nor secondary nor FUD firmware payload\n", __func__, 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 */ if (_plist_dict_get_bool(manifest_entry, "Trusted") && !plist_dict_get_item(manifest_entry, "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; } 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) { free(key); key = NULL; 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"); free(key); return -1; } /* do not populate BaseBandFirmware, only in basebaseband request */ if ((strcmp(key, "BasebandFirmware") == 0)) { continue; } // Compared to ac2, not needed if ((strcmp(key, "SE,UpdatePayload") == 0)) { continue; } // Compared to ac2, not needed if ((strcmp(key, "BaseSystem") == 0)) { continue; } /* FIXME: only used with diagnostics firmware */ if (strcmp(key, "Diags") == 0) { continue; } plist_t info_dict = plist_dict_get_item(manifest_entry, "Info"); if (!info_dict) { continue; } if (_plist_dict_get_bool(parameters, "ApSupportsImg4")) { if (!plist_dict_get_item(info_dict, "RestoreRequestRules")) { debug("DEBUG: %s: Skipping '%s' as it doesn't have RestoreRequestRules\n", __func__, key); continue; } } if (_plist_dict_get_bool(parameters, "_OnlyFWComponents")) { if (!_plist_dict_get_bool(manifest_entry, "Trusted")) { debug("DEBUG: %s: Skipping '%s' as it is not trusted\n", __func__, key); continue; } if (!_plist_dict_get_bool(info_dict, "IsFirmwarePayload") && !_plist_dict_get_bool(info_dict, "IsSecondaryFirmwarePayload") && !_plist_dict_get_bool(info_dict, "IsFUDFirmware")) { debug("DEBUG: %s: Skipping '%s' as it is neither firmware nor secondary nor FUD firmware payload\n", __func__, key); continue; } } /* skip components with IsFTAB:true */ if (_plist_dict_get_bool(info_dict, "IsFTAB")) { debug("DEBUG: %s: Skipping FTAB component '%s'\n", __func__, 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 */ if (_plist_dict_get_bool(manifest_entry, "Trusted") && !plist_dict_get_item(manifest_entry, "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; } int tss_request_add_baseband_tags(plist_t request, plist_t parameters, plist_t overrides) { plist_t node = NULL; plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); _plist_dict_copy_uint(request, parameters, "BbChipID", NULL); _plist_dict_copy_data(request, parameters, "BbProvisioningManifestKeyHash", NULL); /* BbActivationManifestKeyHash - Used by Qualcomm MDM6610 */ _plist_dict_copy_data(request, parameters, "BbActivationManifestKeyHash", NULL); _plist_dict_copy_data(request, parameters, "BbCalibrationManifestKeyHash", NULL); _plist_dict_copy_data(request, parameters, "BbFactoryActivationManifestKeyHash", NULL); _plist_dict_copy_data(request, parameters, "BbFDRSecurityKeyHash", NULL); /* BbSkeyId - Used by XMM 6180/GSM */ _plist_dict_copy_data(request, parameters, "BbSkeyId", NULL); _plist_dict_copy_data(request, parameters, "BbNonce", NULL); _plist_dict_copy_uint(request, parameters, "BbGoldCertId", NULL); uint64_t bb_chip_id = _plist_dict_get_uint(request, "BbChipID"); int32_t bb_cert_id = (int32_t)_plist_dict_get_uint(request, "BbGoldCertId"); if (_plist_dict_copy_data(request, parameters, "BbSNUM", NULL) < 0) { error("ERROR: Unable to find required BbSNUM in parameters\n"); return -1; } /* 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"); } if (bb_chip_id == 0x68) { /* depending on the BasebandCertId remove certain nodes */ if (bb_cert_id == 0x26F3FACC || bb_cert_id == 0x5CF2EC4E || bb_cert_id == 0x8399785A) { plist_dict_remove_item(bbfwdict, "PSI2-PartialDigest"); plist_dict_remove_item(bbfwdict, "RestorePSI2-PartialDigest"); } else { plist_dict_remove_item(bbfwdict, "PSI-PartialDigest"); plist_dict_remove_item(bbfwdict, "RestorePSI-PartialDigest"); } } plist_dict_set_item(request, "BasebandFirmware", bbfwdict); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_se_tags(plist_t request, plist_t parameters, plist_t overrides) { 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; } plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); if (_plist_dict_copy_uint(request, parameters, "SE,ChipID", NULL) < 0) { error("ERROR: %s: Unable to find required SE,ChipID in parameters\n", __func__); return -1; } if (_plist_dict_copy_data(request, parameters, "SE,ID", NULL) < 0) { error("ERROR: %s: Unable to find required SE,ID in parameters\n", __func__); return -1; } if (_plist_dict_copy_data(request, parameters, "SE,Nonce", NULL) < 0) { error("ERROR: %s: Unable to find required SE,Nonce in parameters\n", __func__); return -1; } if (_plist_dict_copy_data(request, parameters, "SE,RootKeyIdentifier", NULL) < 0) { error("ERROR: %s: Unable to find required SE,RootKeyIdentifier in parameters\n", __func__); return -1; } /* 'IsDev' determines whether we have Production or Development */ uint8_t is_dev = _plist_dict_get_bool(parameters, "SE,IsDev"); /* add SE,* components from build manifest to request */ char* key = NULL; plist_t manifest_entry = NULL; plist_dict_iter iter = NULL; plist_dict_new_iter(manifest_node, &iter); while (1) { free(key); key = NULL; 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"); free(key); return -1; } if (strncmp(key, "SE,", 3)) { continue; } /* copy this entry */ plist_t tss_entry = plist_copy(manifest_entry); /* remove Info node */ plist_dict_remove_item(tss_entry, "Info"); /* remove Development or Production key/hash node */ if (is_dev) { if (plist_dict_get_item(tss_entry, "ProductionCMAC")) plist_dict_remove_item(tss_entry, "ProductionCMAC"); if (plist_dict_get_item(tss_entry, "ProductionUpdatePayloadHash")) plist_dict_remove_item(tss_entry, "ProductionUpdatePayloadHash"); } else { if (plist_dict_get_item(tss_entry, "DevelopmentCMAC")) plist_dict_remove_item(tss_entry, "DevelopmentCMAC"); if (plist_dict_get_item(tss_entry, "DevelopmentUpdatePayloadHash")) plist_dict_remove_item(tss_entry, "DevelopmentUpdatePayloadHash"); } /* 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); } /* fallback in case no @SE2,Ticket or @SE,Ticket was provided */ if (!plist_dict_get_item(request, "@SE2,Ticket") && !plist_dict_get_item(request, "@SE,Ticket")) { plist_dict_set_item(request, "@SE,Ticket", plist_new_bool(1)); } return 0; } 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)); if (_plist_dict_copy_data(request, parameters, "Savage,UID", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,UID in parameters\n", __func__); return -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); if (_plist_dict_copy_uint(request, parameters, "Savage,PatchEpoch", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,PatchEpoch in parameters\n", __func__); return -1; } if (_plist_dict_copy_uint(request, parameters, "Savage,ChipID", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,ChipID in parameters\n", __func__); return -1; } if (_plist_dict_copy_bool(request, parameters, "Savage,AllowOfflineBoot", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,AllowOfflineBoot in parameters\n", __func__); return -1; } if (_plist_dict_copy_bool(request, parameters, "Savage,ReadFWKey", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,ReadFWKey in parameters\n", __func__); return -1; } if (_plist_dict_copy_bool(request, parameters, "Savage,ProductionMode", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,ProductionMode in parameters\n", __func__); return -1; } const char *comp_name = NULL; uint8_t isprod = _plist_dict_get_bool(request, "Savage,ProductionMode"); /* 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); } if (_plist_dict_copy_data(request, parameters, "Savage,Nonce", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,Nonce in parameters\n", __func__); return -1; } if (_plist_dict_copy_bool(request, parameters, "Savage,ReadECKey", NULL) < 0) { error("ERROR: %s: Unable to find required Savage,ReadECKey in parameters\n", __func__); return -1; } /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } 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 = _plist_dict_get_bool(parameters, "Yonkers,ProductionMode"); uint64_t fabrevision = _plist_dict_get_uint(parameters, "Yonkers,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; } int tss_request_add_vinyl_tags(plist_t request, plist_t parameters, plist_t overrides) { 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 eUICC,Ticket */ plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); plist_dict_set_item(request, "@eUICC,Ticket", plist_new_bool(1)); _plist_dict_copy_bool(request, parameters, "eUICC,ApProductionMode", "ApProductionMode"); _plist_dict_copy_uint(request, parameters, "eUICC,ChipID", NULL); _plist_dict_copy_data(request, parameters, "eUICC,EID", NULL); _plist_dict_copy_data(request, parameters, "eUICC,RootKeyIdentifier", NULL); if (!plist_dict_get_item(request, "eUICC,Gold")) { plist_t n = plist_access_path(parameters, 2, "Manifest", "eUICC,Gold"); if (n) { plist_t p = plist_new_dict(); _plist_dict_copy_data(p, n, "Digest", NULL); plist_dict_set_item(request, "eUICC,Gold", p); } } if (!plist_dict_get_item(request, "eUICC,Main")) { plist_t n = plist_access_path(parameters, 2, "Manifest", "eUICC,Main"); if (n) { plist_t p = plist_new_dict(); _plist_dict_copy_data(p, n, "Digest", NULL); plist_dict_set_item(request, "eUICC,Main", p); } } /* set Nonce for eUICC,Gold component */ node = plist_dict_get_item(parameters, "EUICCGoldNonce"); if (node) { plist_t n = plist_dict_get_item(request, "eUICC,Gold"); if (n) { plist_dict_set_item(n, "Nonce", plist_copy(node)); } } /* set Nonce for eUICC,Main component */ node = plist_dict_get_item(parameters, "EUICCMainNonce"); if (node) { plist_t n = plist_dict_get_item(request, "eUICC,Main"); if (n) { plist_dict_set_item(n, "Nonce", plist_copy(node)); } } /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_rose_tags(plist_t request, plist_t parameters, plist_t overrides) { 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 Rap,Ticket */ plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); plist_dict_set_item(request, "@Rap,Ticket", plist_new_bool(1)); _plist_dict_copy_uint(request, parameters, "Rap,BoardID", NULL); _plist_dict_copy_uint(request, parameters, "Rap,ChipID", NULL); _plist_dict_copy_uint(request, parameters, "Rap,ECID", NULL); _plist_dict_copy_data(request, parameters, "Rap,Nonce", NULL); _plist_dict_copy_bool(request, parameters, "Rap,ProductionMode", NULL); _plist_dict_copy_uint(request, parameters, "Rap,SecurityDomain", NULL); _plist_dict_copy_bool(request, parameters, "Rap,SecurityMode", NULL); char *comp_name = NULL; 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, "Rap,", 4) == 0) { plist_t manifest_entry = plist_copy(node); /* 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", comp_name); tss_entry_apply_restore_request_rules(manifest_entry, parameters, rules); } /* Make sure we have a Digest key for Trusted items even if empty */ if (_plist_dict_get_bool(manifest_entry, "Trusted") && !plist_dict_get_item(manifest_entry, "Digest")) { debug("DEBUG: No Digest data, using empty value for entry %s\n", comp_name); plist_dict_set_item(manifest_entry, "Digest", plist_new_data(NULL, 0)); } plist_dict_remove_item(manifest_entry, "Info"); /* finally add entry to request */ plist_dict_set_item(request, comp_name, manifest_entry); } free(comp_name); } free(iter); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_veridian_tags(plist_t request, plist_t parameters, plist_t overrides) { 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 BMU,Ticket */ plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); plist_dict_set_item(request, "@BMU,Ticket", plist_new_bool(1)); _plist_dict_copy_uint(request, parameters, "BMU,BoardID", NULL); _plist_dict_copy_uint(request, parameters, "BMU,ChipID", "ChipID"); _plist_dict_copy_data(request, parameters, "BMU,Nonce", "Nonce"); _plist_dict_copy_bool(request, parameters, "BMU,ProductionMode", "ProductionMode"); _plist_dict_copy_uint(request, parameters, "BMU,UniqueID", "UniqueID"); char *comp_name = NULL; 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, "BMU,", 4) == 0) { plist_t manifest_entry = plist_copy(node); /* 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", comp_name); tss_entry_apply_restore_request_rules(manifest_entry, parameters, rules); } /* Make sure we have a Digest key for Trusted items even if empty */ if (_plist_dict_get_bool(manifest_entry, "Trusted") && !plist_dict_get_item(manifest_entry, "Digest")) { debug("DEBUG: No Digest data, using empty value for entry %s\n", comp_name); plist_dict_set_item(manifest_entry, "Digest", plist_new_data(NULL, 0)); } plist_dict_remove_item(manifest_entry, "Info"); /* finally add entry to request */ plist_dict_set_item(request, comp_name, manifest_entry); } free(comp_name); } free(iter); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_tcon_tags(plist_t request, plist_t parameters, plist_t overrides) { 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 Baobab,Ticket */ plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); plist_dict_set_item(request, "@Baobab,Ticket", plist_new_bool(1)); _plist_dict_copy_uint(request, parameters, "Baobab,BoardID", NULL); _plist_dict_copy_uint(request, parameters, "Baobab,ChipID", NULL); _plist_dict_copy_data(request, parameters, "Baobab,ECID", NULL); _plist_dict_copy_uint(request, parameters, "Baobab,Life", NULL); _plist_dict_copy_uint(request, parameters, "Baobab,ManifestEpoch", NULL); _plist_dict_copy_bool(request, parameters, "Baobab,ProductionMode", NULL); _plist_dict_copy_uint(request, parameters, "Baobab,SecurityDomain", NULL); _plist_dict_copy_data(request, parameters, "Baobab,UpdateNonce", NULL); uint8_t isprod = _plist_dict_get_bool(parameters, "Baobab,ProductionMode"); char *comp_name = NULL; 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, "Baobab,", 7) == 0) { plist_t manifest_entry = plist_copy(node); plist_dict_remove_item(manifest_entry, "Info"); plist_dict_set_item(manifest_entry, "EPRO", plist_new_bool(isprod)); /* finally add entry to request */ plist_dict_set_item(request, comp_name, manifest_entry); } free(comp_name); } free(iter); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_timer_tags(plist_t request, plist_t parameters, plist_t overrides) { plist_t node = NULL; uint32_t tag = 0; 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 Timer ticket */ plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); node = plist_dict_get_item(parameters, "TicketName"); if (!node) { error("ERROR: %s: Missing TicketName\n", __func__); return -1; } char key[64]; sprintf(key, "@%s", plist_get_string_ptr(node, NULL)); plist_dict_set_item(request, key, plist_new_bool(1)); tag = (uint32_t)_plist_dict_get_uint(parameters, "TagNumber"); sprintf(key, "Timer,BoardID,%u", tag); _plist_dict_copy_uint(request, parameters, key, NULL); sprintf(key, "Timer,ChipID,%u", tag); _plist_dict_copy_uint(request, parameters, key, NULL); sprintf(key, "Timer,SecurityDomain,%u", tag); _plist_dict_copy_uint(request, parameters, key, NULL); sprintf(key, "Timer,SecurityMode,%u", tag); _plist_dict_copy_bool(request, parameters, key, NULL); sprintf(key, "Timer,ProductionMode,%u", tag); _plist_dict_copy_bool(request, parameters, key, NULL); sprintf(key, "Timer,ECID,%u", tag); _plist_dict_copy_uint(request, parameters, key, NULL); sprintf(key, "Timer,Nonce,%u", tag); _plist_dict_copy_data(request, parameters, key, NULL); char *comp_name = NULL; 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, "Timer,", 6)) { plist_t manifest_entry = plist_copy(node); /* 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", comp_name); tss_entry_apply_restore_request_rules(manifest_entry, parameters, rules); } /* Make sure we have a Digest key for Trusted items even if empty */ if (_plist_dict_get_bool(manifest_entry, "Trusted") && !plist_dict_get_item(manifest_entry, "Digest")) { debug("DEBUG: No Digest data, using empty value for entry %s\n", comp_name); plist_dict_set_item(manifest_entry, "Digest", plist_new_data(NULL, 0)); } plist_dict_remove_item(manifest_entry, "Info"); /* finally add entry to request */ plist_dict_set_item(request, comp_name, manifest_entry); } free(comp_name); } free(iter); /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } int tss_request_add_cryptex_tags(plist_t request, plist_t parameters, plist_t overrides) { tss_request_add_common_tags(request, parameters, NULL); if (plist_dict_get_item(parameters, "Ap,LocalPolicy")) { /* Cryptex1LocalPolicy */ tss_request_add_local_policy_tags(request, parameters); _plist_dict_copy_data(request, parameters, "Ap,NextStageCryptex1IM4MHash", NULL); } else { /* Cryptex1 */ plist_dict_set_item(request, "@Cryptex1,Ticket", plist_new_bool(1)); _plist_dict_copy_bool(request, parameters, "ApSecurityMode", NULL); _plist_dict_copy_bool(request, parameters, "ApProductionMode", NULL); plist_dict_iter iter = NULL; plist_dict_new_iter(parameters, &iter); plist_t value = NULL; while (1) { char *key = NULL; plist_dict_next_item(parameters, iter, &key, &value); if (key == NULL) break; if (strncmp(key, "Cryptex1", 8) == 0) { plist_dict_set_item(request, key, plist_copy(value)); } free(key); } } /* apply overrides */ if (overrides) { plist_dict_merge(&request, overrides); } return 0; } static size_t tss_write_callback(char* data, size_t size, size_t nmemb, tss_response* response) { size_t total = size * nmemb; if (total != 0) { response->content = realloc(response->content, response->length + total + 1); memcpy(response->content + response->length, data, total); response->content[response->length + total] = '\0'; response->length += total; } return total; } plist_t tss_request_send(plist_t tss_request, const char* server_url_string) { if (idevicerestore_debug) { debug_plist(tss_request); } char* request = NULL; int status_code = -1; int retry = 0; int max_retries = 15; unsigned int size = 0; char curl_error_message[CURL_ERROR_SIZE]; const char* urls[6] = { "https://gs.apple.com/TSS/controller?action=2", "https://17.171.36.30/TSS/controller?action=2", "https://17.151.36.30/TSS/controller?action=2", "http://gs.apple.com/TSS/controller?action=2", "http://17.171.36.30/TSS/controller?action=2", "http://17.151.36.30/TSS/controller?action=2" }; plist_to_xml(tss_request, &request, &size); tss_response* response = NULL; memset(curl_error_message, '\0', CURL_ERROR_SIZE); while (retry++ < max_retries) { response = NULL; CURL* handle = curl_easy_init(); if (handle == NULL) { break; } struct curl_slist* header = NULL; header = curl_slist_append(header, "Cache-Control: no-cache"); header = curl_slist_append(header, "Content-type: text/xml; charset=\"utf-8\""); header = curl_slist_append(header, "Expect:"); response = malloc(sizeof(tss_response)); if (response == NULL) { fprintf(stderr, "Unable to allocate sufficient memory\n"); return NULL; } response->length = 0; response->content = malloc(1); response->content[0] = '\0'; /* disable SSL verification to allow download from untrusted https locations */ curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt(handle, CURLOPT_ERRORBUFFER, curl_error_message); curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, (curl_write_callback)&tss_write_callback); curl_easy_setopt(handle, CURLOPT_WRITEDATA, response); curl_easy_setopt(handle, CURLOPT_HTTPHEADER, header); curl_easy_setopt(handle, CURLOPT_POSTFIELDS, request); curl_easy_setopt(handle, CURLOPT_USERAGENT, USER_AGENT_STRING); curl_easy_setopt(handle, CURLOPT_POSTFIELDSIZE, strlen(request)); if (server_url_string) { curl_easy_setopt(handle, CURLOPT_URL, server_url_string); info("Request URL set to %s\n", server_url_string); } else { int url_index = (retry - 1) % 6; curl_easy_setopt(handle, CURLOPT_URL, urls[url_index]); info("Request URL set to %s\n", urls[url_index]); } info("Sending TSS request attempt %d... ", retry); curl_easy_perform(handle); curl_slist_free_all(header); curl_easy_cleanup(handle); if (strstr(response->content, "MESSAGE=SUCCESS")) { status_code = 0; info("response successfully received\n"); break; } if (response->length > 0) { error("TSS server returned: %s\n", response->content); } char* status = strstr(response->content, "STATUS="); if (status) { sscanf(status+7, "%d&%*s", &status_code); } if (status_code == -1) { error("%s\n", curl_error_message); // no status code in response. retry free(response->content); free(response); response = NULL; sleep(2); continue; } else if (status_code == 8) { // server error (invalid bb request?) break; } else if (status_code == 49) { // server error (invalid bb data, e.g. BbSNUM?) break; } else if (status_code == 69 || status_code == 94) { // This device isn't eligible for the requested build. break; } else if (status_code == 100) { // server error, most likely the request was malformed break; } else if (status_code == 126) { // An internal error occured, most likely the request was malformed break; } else { error("ERROR: tss_send_request: Unhandled status code %d\n", status_code); } } if (status_code != 0) { if (response && strstr(response->content, "MESSAGE=") != NULL) { char* message = strstr(response->content, "MESSAGE=") + strlen("MESSAGE="); error("ERROR: TSS request failed (status=%d, message=%s)\n", status_code, message); } else { error("ERROR: TSS request failed: %s (status=%d)\n", curl_error_message, status_code); } free(request); if (response) free(response->content); if (response) free(response); return NULL; } char* tss_data = strstr(response->content, "content); free(response); return NULL; } uint32_t tss_size = 0; plist_t tss_response = NULL; tss_size = response->length - (tss_data - response->content); plist_from_xml(tss_data, tss_size, &tss_response); free(response->content); free(response); if (idevicerestore_debug) { debug_plist(tss_response); } free(request); return tss_response; } static int tss_response_get_data_by_key(plist_t response, const char* name, unsigned char** buffer, unsigned int* length) { plist_t node = plist_dict_get_item(response, name); if (!node || plist_get_node_type(node) != PLIST_DATA) { debug("DEBUG: %s: No entry '%s' in TSS response\n", __func__, name); return -1; } char *data = NULL; uint64_t len = 0; plist_get_data_val(node, &data, &len); if (data) { *length = (unsigned int)len; *buffer = (unsigned char*)data; return 0; } else { error("ERROR: Unable to get %s data from TSS response\n", name); return -1; } } int tss_response_get_ap_img4_ticket(plist_t response, unsigned char** ticket, unsigned int* length) { return tss_response_get_data_by_key(response, "ApImg4Ticket", ticket, length); } int tss_response_get_ap_ticket(plist_t response, unsigned char** ticket, unsigned int* length) { return tss_response_get_data_by_key(response, "APTicket", ticket, length); } int tss_response_get_baseband_ticket(plist_t response, unsigned char** ticket, unsigned int* length) { return tss_response_get_data_by_key(response, "BBTicket", ticket, length); } int tss_response_get_path_by_entry(plist_t response, const char* entry, char** path) { char* path_string = NULL; plist_t path_node = NULL; plist_t entry_node = NULL; *path = NULL; entry_node = plist_dict_get_item(response, entry); if (!entry_node || plist_get_node_type(entry_node) != PLIST_DICT) { debug("DEBUG: %s: No entry '%s' in TSS response\n", __func__, entry); return -1; } path_node = plist_dict_get_item(entry_node, "Path"); if (!path_node || plist_get_node_type(path_node) != PLIST_STRING) { debug("NOTE: Unable to find %s path in TSS entry\n", entry); return -1; } plist_get_string_val(path_node, &path_string); *path = path_string; return 0; } int tss_response_get_blob_by_path(plist_t tss, const char* path, unsigned char** blob) { uint32_t i = 0; uint32_t tss_size = 0; uint64_t blob_size = 0; char* entry_key = NULL; char* blob_data = NULL; char* entry_path = NULL; plist_t tss_entry = NULL; plist_t blob_node = NULL; plist_t path_node = NULL; plist_dict_iter iter = NULL; *blob = NULL; plist_dict_new_iter(tss, &iter); tss_size = plist_dict_get_size(tss); for (i = 0; i < tss_size; i++) { plist_dict_next_item(tss, iter, &entry_key, &tss_entry); if (entry_key == NULL) break; if (!tss_entry || plist_get_node_type(tss_entry) != PLIST_DICT) { continue; } path_node = plist_dict_get_item(tss_entry, "Path"); if (!path_node || plist_get_node_type(path_node) != PLIST_STRING) { error("ERROR: Unable to find TSS path node in entry %s\n", entry_key); free(iter); return -1; } plist_get_string_val(path_node, &entry_path); if (strcmp(path, entry_path) == 0) { blob_node = plist_dict_get_item(tss_entry, "Blob"); if (!blob_node || plist_get_node_type(blob_node) != PLIST_DATA) { error("ERROR: Unable to find TSS blob node in entry %s\n", entry_key); free(iter); return -1; } plist_get_data_val(blob_node, &blob_data, &blob_size); break; } free(entry_key); } free(iter); if (blob_data == NULL || blob_size <= 0) { return -1; } *blob = (unsigned char*)blob_data; return 0; } int tss_response_get_blob_by_entry(plist_t response, const char* entry, unsigned char** blob) { uint64_t blob_size = 0; char* blob_data = NULL; plist_t blob_node = NULL; plist_t tss_entry = NULL; *blob = NULL; tss_entry = plist_dict_get_item(response, entry); if (!tss_entry || plist_get_node_type(tss_entry) != PLIST_DICT) { debug("DEBUG: %s: No entry '%s' in TSS response\n", __func__, entry); return -1; } blob_node = plist_dict_get_item(tss_entry, "Blob"); if (!blob_node || plist_get_node_type(blob_node) != PLIST_DATA) { error("ERROR: Unable to find blob in %s entry\n", entry); return -1; } plist_get_data_val(blob_node, &blob_data, &blob_size); *blob = (unsigned char*)blob_data; return 0; }