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authorGravatar Nikias Bassen2013-11-27 17:01:52 +0100
committerGravatar Nikias Bassen2013-11-27 17:01:52 +0100
commit4af79dd3091bd09d3ff4e460e40e25491fb965dd (patch)
treee30cee7c9bc61dedb9f9e522c9318fc6d3d5a58f /src/tss.c
parentd0f4512a38c0f1be90b39cc774ad16f28d8bec23 (diff)
downloadidevicerestore-4af79dd3091bd09d3ff4e460e40e25491fb965dd.tar.gz
idevicerestore-4af79dd3091bd09d3ff4e460e40e25491fb965dd.tar.bz2
Refactor TSS parameter handling and parse RestoreRequestRules properly
Diffstat (limited to 'src/tss.c')
-rw-r--r--src/tss.c414
1 files changed, 281 insertions, 133 deletions
diff --git a/src/tss.c b/src/tss.c
index eb4ded5..03b723e 100644
--- a/src/tss.c
+++ b/src/tss.c
@@ -80,6 +80,130 @@ plist_t tss_request_new(plist_t overrides) {
return request;
}
+int tss_parameters_add_from_manifest(plist_t parameters, plist_t build_identity)
+{
+ plist_t node = NULL;
+ char* string = NULL;
+
+ /* UniqueBuildID */
+ node = plist_dict_get_item(build_identity, "UniqueBuildID");
+ if (!node || plist_get_node_type(node) != PLIST_DATA) {
+ error("ERROR: Unable to find UniqueBuildID node\n");
+ return -1;
+ }
+ plist_dict_insert_item(parameters, "UniqueBuildID", plist_copy(node));
+ node = NULL;
+
+ /* ApChipID */
+ int chip_id = 0;
+ node = plist_dict_get_item(build_identity, "ApChipID");
+ if (!node || plist_get_node_type(node) != PLIST_STRING) {
+ error("ERROR: Unable to find ApChipID node\n");
+ return -1;
+ }
+ plist_get_string_val(node, &string);
+ sscanf(string, "%x", &chip_id);
+ plist_dict_insert_item(parameters, "ApChipID", plist_new_uint(chip_id));
+ free(string);
+ string = NULL;
+ node = NULL;
+
+ /* ApBoardID */
+ int board_id = 0;
+ node = plist_dict_get_item(build_identity, "ApBoardID");
+ if (!node || plist_get_node_type(node) != PLIST_STRING) {
+ error("ERROR: Unable to find ApBoardID node\n");
+ return -1;
+ }
+ plist_get_string_val(node, &string);
+ sscanf(string, "%x", &board_id);
+ plist_dict_insert_item(parameters, "ApBoardID", plist_new_uint(board_id));
+ free(string);
+ string = NULL;
+ node = NULL;
+
+ /* ApSecurityDomain */
+ int security_domain = 0;
+ node = plist_dict_get_item(build_identity, "ApSecurityDomain");
+ if (!node || plist_get_node_type(node) != PLIST_STRING) {
+ error("ERROR: Unable to find ApSecurityDomain node\n");
+ return -1;
+ }
+ plist_get_string_val(node, &string);
+ sscanf(string, "%x", &security_domain);
+ plist_dict_insert_item(parameters, "ApSecurityDomain", plist_new_uint(security_domain));
+ free(string);
+ string = NULL;
+ node = NULL;
+
+ /* BbChipID */
+ int bb_chip_id = 0;
+ char* bb_chip_id_string = NULL;
+ node = plist_dict_get_item(build_identity, "BbChipID");
+ if (!node || plist_get_node_type(node) != PLIST_STRING) {
+ error("ERROR: Unable to find BbChipID node\n");
+ return -1;
+ }
+ plist_get_string_val(node, &bb_chip_id_string);
+ sscanf(bb_chip_id_string, "%x", &bb_chip_id);
+ plist_dict_insert_item(parameters, "BbChipID", plist_new_uint(bb_chip_id));
+ node = NULL;
+
+ /* BbProvisioningManifestKeyHash */
+ node = plist_dict_get_item(build_identity, "BbProvisioningManifestKeyHash");
+ if (node && plist_get_node_type(node) == PLIST_DATA) {
+ plist_dict_insert_item(parameters, "BbProvisioningManifestKeyHash", plist_copy(node));
+ } else {
+ error("WARNING: Unable to find BbProvisioningManifestKeyHash node\n");
+ }
+ node = NULL;
+
+ /* BbActivationManifestKeyHash - Used by Qualcomm MDM6610 */
+ node = plist_dict_get_item(build_identity, "BbActivationManifestKeyHash");
+ if (node && plist_get_node_type(node) == PLIST_DATA) {
+ plist_dict_insert_item(parameters, "BbActivationManifestKeyHash", plist_copy(node));
+ } else {
+ error("WARNING: Unable to find BbActivationManifestKeyHash node\n");
+ }
+ node = NULL;
+
+ node = plist_dict_get_item(build_identity, "BbCalibrationManifestKeyHash");
+ if (node && plist_get_node_type(node) == PLIST_DATA) {
+ plist_dict_insert_item(parameters, "BbCalibrationManifestKeyHash", plist_copy(node));
+ } else {
+ error("WARNING: Unable to find BbCalibrationManifestKeyHash node\n");
+ }
+ node = NULL;
+
+ /* BbFactoryActivationManifestKeyHash */
+ node = plist_dict_get_item(build_identity, "BbFactoryActivationManifestKeyHash");
+ if (node && plist_get_node_type(node) == PLIST_DATA) {
+ plist_dict_insert_item(parameters, "BbFactoryActivationManifestKeyHash", plist_copy(node));
+ } else {
+ error("WARNING: Unable to find BbFactoryActivationManifestKeyHash node\n");
+ }
+ node = NULL;
+
+ /* BbSkeyId - Used by XMM 6180/GSM */
+ node = plist_dict_get_item(build_identity, "BbSkeyId");
+ if (node && plist_get_node_type(node) == PLIST_DATA) {
+ plist_dict_insert_item(parameters, "BbSkeyId", plist_copy(node));
+ } else {
+ error("WARNING: Unable to find BbSkeyId node\n");
+ }
+ node = NULL;
+
+ /* 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_insert_item(parameters, "Manifest", plist_copy(node));
+
+ return 0;
+}
+
int tss_request_add_ap_img4_tags(plist_t request, plist_t parameters) {
plist_t node = NULL;
@@ -212,102 +336,35 @@ int tss_request_add_ap_img3_tags(plist_t request, plist_t parameters) {
return 0;
}
-int tss_request_add_baseband_tags(plist_t request, plist_t parameters) {
- plist_t node = NULL;
-
- if (!parameters) {
- error("ERROR: Missing required AP parameters\n");
- return -1;
- }
-
- /* BbNonce */
- node = plist_dict_get_item(parameters, "BbNonce");
- if (node) {
- plist_dict_insert_item(request, "BbNonce", plist_copy(node));
- node = NULL;
- }
-
- /* @BBTicket */
- plist_dict_insert_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;
- }
- plist_dict_insert_item(request, "BbGoldCertId", plist_copy(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_insert_item(request, "BbSNUM", plist_copy(node));
- node = NULL;
-
- return 0;
-}
-
-int tss_request_add_common_tags_from_manifest(plist_t request, plist_t build_identity, plist_t overrides) {
+int tss_request_add_common_tags(plist_t request, plist_t parameters, plist_t overrides) {
plist_t node = NULL;
- char* string = NULL;
/* UniqueBuildID */
- char* unique_build_data = NULL;
- uint64_t unique_build_size = 0;
- node = plist_dict_get_item(build_identity, "UniqueBuildID");
- if (!node || plist_get_node_type(node) != PLIST_DATA) {
- error("ERROR: Unable to find UniqueBuildID node\n");
- return -1;
+ node = plist_dict_get_item(parameters, "UniqueBuildID");
+ if (node) {
+ plist_dict_insert_item(request, "UniqueBuildID", plist_copy(node));
}
- plist_get_data_val(node, &unique_build_data, &unique_build_size);
- plist_dict_insert_item(request, "UniqueBuildID", plist_new_data(unique_build_data, unique_build_size));
- free(unique_build_data);
node = NULL;
/* ApChipID */
- int chip_id = 0;
- node = plist_dict_get_item(build_identity, "ApChipID");
- if (!node || plist_get_node_type(node) != PLIST_STRING) {
- error("ERROR: Unable to find ApChipID node\n");
- return -1;
+ node = plist_dict_get_item(parameters, "ApChipID");
+ if (node) {
+ plist_dict_insert_item(request, "ApChipID", plist_copy(node));
}
- plist_get_string_val(node, &string);
- sscanf(string, "%x", &chip_id);
- plist_dict_insert_item(request, "ApChipID", plist_new_uint(chip_id));
- free(string);
- string = NULL;
node = NULL;
/* ApBoardID */
- int board_id = 0;
- node = plist_dict_get_item(build_identity, "ApBoardID");
- if (!node || plist_get_node_type(node) != PLIST_STRING) {
- error("ERROR: Unable to find ApBoardID node\n");
- return -1;
+ node = plist_dict_get_item(parameters, "ApBoardID");
+ if (node) {
+ plist_dict_insert_item(request, "ApBoardID", plist_copy(node));
}
- plist_get_string_val(node, &string);
- sscanf(string, "%x", &board_id);
- plist_dict_insert_item(request, "ApBoardID", plist_new_uint(board_id));
- free(string);
- string = NULL;
node = NULL;
/* ApSecurityDomain */
- int security_domain = 0;
- node = plist_dict_get_item(build_identity, "ApSecurityDomain");
- if (!node || plist_get_node_type(node) != PLIST_STRING) {
- error("ERROR: Unable to find ApSecurityDomain node\n");
- return -1;
+ node = plist_dict_get_item(parameters, "ApSecurityDomain");
+ if (node) {
+ plist_dict_insert_item(request, "ApSecurityDomain", plist_copy(node));
}
- plist_get_string_val(node, &string);
- sscanf(string, "%x", &security_domain);
- plist_dict_insert_item(request, "ApSecurityDomain", plist_new_uint(security_domain));
- free(string);
- string = NULL;
node = NULL;
/* apply overrides */
@@ -318,9 +375,86 @@ int tss_request_add_common_tags_from_manifest(plist_t request, plist_t build_ide
return 0;
}
-int tss_request_add_ap_tags_from_manifest(plist_t request, plist_t build_identity, plist_t overrides) {
+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 = 0;
+ plist_get_bool_val(value, &bv);
+ if (bv) {
+ value2 = plist_dict_get_item(tss_entry, key);
+ if (value2) {
+ plist_dict_remove_item(tss_entry, key);
+ }
+ debug("DEBUG: Adding action %s to TSS entry\n", key);
+ plist_dict_insert_item(tss_entry, key, plist_new_bool(1));
+ }
+ free(key);
+ }
+ }
+}
+
+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(build_identity, "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;
@@ -352,18 +486,20 @@ int tss_request_add_ap_tags_from_manifest(plist_t request, plist_t build_identit
continue;
}
- /* copy this entry to request */
+ /* copy this entry */
plist_t tss_entry = plist_copy(manifest_entry);
/* remove obsolete Info node */
plist_dict_remove_item(tss_entry, "Info");
- /* FIXME: properly check RestoreRequestRules */
- if (plist_access_path(manifest_entry, 2, "Info", "RestoreRequestRules")) {
- plist_dict_insert_item(tss_entry, "EPRO", plist_new_bool(1));
- plist_dict_insert_item(tss_entry, "ESEC", plist_new_bool(1));
+ /* 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);
}
+ /* finally add entry to request */
plist_dict_insert_item(request, key, tss_entry);
free(key);
@@ -378,74 +514,86 @@ int tss_request_add_ap_tags_from_manifest(plist_t request, plist_t build_identit
return 0;
}
-int tss_request_add_baseband_tags_from_manifest(plist_t request, plist_t build_identity, plist_t overrides) {
- plist_t bb_node = NULL;
+int tss_request_add_baseband_tags(plist_t request, plist_t parameters, plist_t overrides) {
+ plist_t node = NULL;
/* BbChipID */
- int bb_chip_id = 0;
- char* bb_chip_id_string = NULL;
- bb_node = plist_dict_get_item(build_identity, "BbChipID");
- if (!bb_node || plist_get_node_type(bb_node) != PLIST_STRING) {
- error("ERROR: Unable to find BbChipID node\n");
- return -1;
+ node = plist_dict_get_item(parameters, "BbChipID");
+ if (node) {
+ plist_dict_insert_item(request, "BbChipID", plist_copy(node));
}
- plist_get_string_val(bb_node, &bb_chip_id_string);
- sscanf(bb_chip_id_string, "%x", &bb_chip_id);
- plist_dict_insert_item(request, "BbChipID", plist_new_uint(bb_chip_id));
- bb_node = NULL;
+ node = NULL;
/* BbProvisioningManifestKeyHash */
- bb_node = plist_dict_get_item(build_identity, "BbProvisioningManifestKeyHash");
- if (bb_node && plist_get_node_type(bb_node) == PLIST_DATA) {
- plist_dict_insert_item(request, "BbProvisioningManifestKeyHash", plist_copy(bb_node));
- } else {
- error("WARNING: Unable to find BbProvisioningManifestKeyHash node\n");
+ node = plist_dict_get_item(parameters, "BbProvisioningManifestKeyHash");
+ if (node) {
+ plist_dict_insert_item(request, "BbProvisioningManifestKeyHash", plist_copy(node));
}
- bb_node = NULL;
+ node = NULL;
/* BbActivationManifestKeyHash - Used by Qualcomm MDM6610 */
- bb_node = plist_dict_get_item(build_identity, "BbActivationManifestKeyHash");
- if (bb_node && plist_get_node_type(bb_node) == PLIST_DATA) {
- plist_dict_insert_item(request, "BbActivationManifestKeyHash", plist_copy(bb_node));
- } else {
- error("WARNING: Unable to find BbActivationManifestKeyHash node\n");
+ node = plist_dict_get_item(parameters, "BbActivationManifestKeyHash");
+ if (node) {
+ plist_dict_insert_item(request, "BbActivationManifestKeyHash", plist_copy(node));
}
- bb_node = NULL;
+ node = NULL;
- bb_node = plist_dict_get_item(build_identity, "BbCalibrationManifestKeyHash");
- if (bb_node && plist_get_node_type(bb_node) == PLIST_DATA) {
- plist_dict_insert_item(request, "BbCalibrationManifestKeyHash", plist_copy(bb_node));
- } else {
- error("WARNING: Unable to find BbCalibrationManifestKeyHash node\n");
+ node = plist_dict_get_item(parameters, "BbCalibrationManifestKeyHash");
+ if (node) {
+ plist_dict_insert_item(request, "BbCalibrationManifestKeyHash", plist_copy(node));
}
- bb_node = NULL;
+ node = NULL;
/* BbFactoryActivationManifestKeyHash */
- bb_node = plist_dict_get_item(build_identity, "BbFactoryActivationManifestKeyHash");
- if (bb_node && plist_get_node_type(bb_node) == PLIST_DATA) {
- plist_dict_insert_item(request, "BbFactoryActivationManifestKeyHash", plist_copy(bb_node));
- } else {
- error("WARNING: Unable to find BbFactoryActivationManifestKeyHash node\n");
+ node = plist_dict_get_item(parameters, "BbFactoryActivationManifestKeyHash");
+ if (node) {
+ plist_dict_insert_item(request, "BbFactoryActivationManifestKeyHash", plist_copy(node));
}
- bb_node = NULL;
+ node = NULL;
/* BbSkeyId - Used by XMM 6180/GSM */
- bb_node = plist_dict_get_item(build_identity, "BbSkeyId");
- if (bb_node && plist_get_node_type(bb_node) == PLIST_DATA) {
- plist_dict_insert_item(request, "BbSkeyId", plist_copy(bb_node));
- } else {
- error("WARNING: Unable to find BbSkeyId node\n");
+ node = plist_dict_get_item(parameters, "BbSkeyId");
+ if (node) {
+ plist_dict_insert_item(request, "BbSkeyId", plist_copy(node));
}
- bb_node = NULL;
+ node = NULL;
+
+ /* BbNonce */
+ node = plist_dict_get_item(parameters, "BbNonce");
+ if (node) {
+ plist_dict_insert_item(request, "BbNonce", plist_copy(node));
+ }
+ node = NULL;
+
+ /* @BBTicket */
+ plist_dict_insert_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;
+ }
+ plist_dict_insert_item(request, "BbGoldCertId", plist_copy(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_insert_item(request, "BbSNUM", plist_copy(node));
+ node = NULL;
/* BasebandFirmware */
- bb_node = plist_access_path(build_identity, 2, "Manifest", "BasebandFirmware");
- if (!bb_node || plist_get_node_type(bb_node) != PLIST_DICT) {
+ 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(bb_node);
- bb_node = NULL;
+ plist_t bbfwdict = plist_copy(node);
+ node = NULL;
if (plist_dict_get_item(bbfwdict, "Info")) {
plist_dict_remove_item(bbfwdict, "Info");
}