diff options
| -rw-r--r-- | src/tss.c | 106 | ||||
| -rw-r--r-- | src/tss.h | 1 |
2 files changed, 107 insertions, 0 deletions
@@ -629,6 +629,112 @@ int tss_request_add_baseband_tags(plist_t request, plist_t parameters, plist_t o return 0; } +int tss_request_add_se_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 SE,Ticket */ + plist_dict_set_item(request, "@BBTicket", plist_new_bool(1)); + plist_dict_set_item(request, "@SE,Ticket", plist_new_bool(1)); + + /* add SE,ChipID */ + node = plist_dict_get_item(parameters, "SE,ChipID"); + if (!node) { + error("ERROR: %s: Unable to find required SE,ChipID in parameters\n", __func__); + return -1; + } + plist_dict_set_item(request, "SE,ChipID", plist_copy(node)); + node = NULL; + + /* add SE,ID */ + node = plist_dict_get_item(parameters, "SE,ID"); + if (!node) { + error("ERROR: %s: Unable to find required SE,ID in parameters\n", __func__); + return -1; + } + plist_dict_set_item(request, "SE,ID", plist_copy(node)); + node = NULL; + + /* add SE,Nonce */ + node = plist_dict_get_item(parameters, "SE,Nonce"); + if (!node) { + error("ERROR: %s: Unable to find required SE,Nonce in parameters\n", __func__); + return -1; + } + plist_dict_set_item(request, "SE,Nonce", plist_copy(node)); + node = NULL; + + /* add SE,RootKeyIdentifier */ + node = plist_dict_get_item(parameters, "SE,RootKeyIdentifier"); + if (!node) { + error("ERROR: %s: Unable to find required SE,RootKeyIdentifier in parameters\n", __func__); + return -1; + } + plist_dict_set_item(request, "SE,RootKeyIdentifier", plist_copy(node)); + node = NULL; + + /* 'IsDev' determines whether we have Production or Development */ + const char *removing_cmac_key = "DevelopmentCMAC"; + node = plist_dict_get_item(parameters, "SE,IsDev"); + if (node && plist_get_node_type(node) == PLIST_BOOLEAN) { + uint8_t is_dev = 0; + plist_get_bool_val(node, &is_dev); + removing_cmac_key = (is_dev) ? "ProductionCMAC" : "DevelopmentCMAC"; + } + + /* 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) { + 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) { + free(key); + error("ERROR: Unable to fetch BuildManifest entry\n"); + return -1; + } + + if (strncmp(key, "SE,", 3)) { + free(key); + continue; + } + + /* copy this entry */ + plist_t tss_entry = plist_copy(manifest_entry); + + /* remove Info node */ + plist_dict_remove_item(tss_entry, "Info"); + + /* remove 'DevelopmentCMAC' (or 'ProductionCMAC') node */ + if (plist_dict_get_item(tss_entry, removing_cmac_key)) { + plist_dict_remove_item(tss_entry, removing_cmac_key); + } + + /* 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; +} + 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) { @@ -39,6 +39,7 @@ plist_t tss_request_new(plist_t overrides); int tss_request_add_common_tags(plist_t request, plist_t parameters, plist_t overrides); int tss_request_add_ap_tags(plist_t request, plist_t parameters, plist_t overrides); int tss_request_add_baseband_tags(plist_t request, plist_t parameters, plist_t overrides); +int tss_request_add_se_tags(plist_t request, plist_t parameters, plist_t overrides); int tss_request_add_ap_img4_tags(plist_t request, plist_t parameters); int tss_request_add_ap_img3_tags(plist_t request, plist_t parameters); |