1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
* tss.c
* Functions for communicating with Apple's TSS server
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include <plist/plist.h>
#include "tss.h"
#include "idevicerestore.h"
#define ECID_STRSIZE 0x20
plist_t tss_create_request(plist_t buildmanifest, uint64_t ecid) {
// Fetch build information from BuildManifest
plist_t build_identities_array = plist_dict_get_item(buildmanifest, "BuildIdentities");
if (!build_identities_array || plist_get_node_type(build_identities_array) != PLIST_ARRAY) {
error("ERROR: Unable to find BuildIdentities array\n");
return NULL;
}
plist_t restore_identity_dict = plist_array_get_item(build_identities_array, 0);
if (!restore_identity_dict || plist_get_node_type(restore_identity_dict) != PLIST_DICT) {
error("ERROR: Unable to find restore identity\n");
return NULL;
}
uint64_t unique_build_size = 0;
char* unique_build_data = NULL;
plist_t unique_build_node = plist_dict_get_item(restore_identity_dict, "UniqueBuildID");
if (!unique_build_node || plist_get_node_type(unique_build_node) != PLIST_DATA) {
error("ERROR: Unable to find UniqueBuildID node\n");
return NULL;
}
plist_get_data_val(unique_build_node, &unique_build_data, &unique_build_size);
int chip_id = 0;
char* chip_id_string = NULL;
plist_t chip_id_node = plist_dict_get_item(restore_identity_dict, "ApChipID");
if (!chip_id_node || plist_get_node_type(chip_id_node) != PLIST_STRING) {
error("ERROR: Unable to find ApChipID node\n");
return NULL;
}
plist_get_string_val(chip_id_node, &chip_id_string);
sscanf(chip_id_string, "%x", &chip_id);
int board_id = 0;
char* board_id_string = NULL;
plist_t board_id_node = plist_dict_get_item(restore_identity_dict, "ApBoardID");
if (!board_id_node || plist_get_node_type(board_id_node) != PLIST_STRING) {
error("ERROR: Unable to find ApBoardID node\n");
return NULL;
}
plist_get_string_val(board_id_node, &board_id_string);
sscanf(board_id_string, "%x", &board_id);
int security_domain = 0;
char* security_domain_string = NULL;
plist_t security_domain_node = plist_dict_get_item(restore_identity_dict, "ApSecurityDomain");
if (!security_domain_node || plist_get_node_type(security_domain_node) != PLIST_STRING) {
error("ERROR: Unable to find ApSecurityDomain node\n");
return NULL;
}
plist_get_string_val(security_domain_node, &security_domain_string);
sscanf(security_domain_string, "%x", &security_domain);
char ecid_string[ECID_STRSIZE];
memset(ecid_string, '\0', ECID_STRSIZE);
if (ecid == 0) {
error("ERROR: Unable to get ECID\n");
return NULL;
}
snprintf(ecid_string, ECID_STRSIZE, "%qu", ecid);
// Add build information to TSS request
plist_t tss_request = plist_new_dict();
plist_dict_insert_item(tss_request, "@HostIpAddress", plist_new_string("192.168.0.1"));
plist_dict_insert_item(tss_request, "@HostPlatformInfo", plist_new_string("darwin"));
plist_dict_insert_item(tss_request, "@VersionInfo", plist_new_string("3.8"));
plist_dict_insert_item(tss_request, "@Locality", plist_new_string("en_US"));
plist_dict_insert_item(tss_request, "ApProductionMode", plist_new_bool(1));
plist_dict_insert_item(tss_request, "ApECID", plist_new_string(ecid_string));
plist_dict_insert_item(tss_request, "ApChipID", plist_new_uint(chip_id));
plist_dict_insert_item(tss_request, "ApBoardID", plist_new_uint(board_id));
plist_dict_insert_item(tss_request, "ApSecurityDomain", plist_new_uint(security_domain));
plist_dict_insert_item(tss_request, "UniqueBuildID", plist_new_data(unique_build_data, unique_build_size));
// Add all firmware files to TSS request
plist_t manifest_node = plist_dict_get_item(restore_identity_dict, "Manifest");
if (!manifest_node || plist_get_node_type(manifest_node) != PLIST_DICT) {
error("ERROR: Unable to find restore manifest\n");
plist_free(tss_request);
return NULL;
}
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");
free(tss_request);
return NULL;
}
plist_t tss_entry = plist_copy(manifest_entry);
plist_dict_insert_item(tss_request, key, tss_entry);
}
/*
int sz = 0;
char* xml = NULL;
plist_to_xml(tss_request, &xml, &sz);
printf("%s", xml);
*/
return tss_request;
}
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_send_request(plist_t tss_request) {
curl_global_init(CURL_GLOBAL_ALL);
char* request = NULL;
unsigned int size = 0;
plist_to_xml(tss_request, &request, &size);
tss_response* response = NULL;
CURL* handle = curl_easy_init();
if (handle != NULL) {
struct curl_slist* header = NULL;
header = curl_slist_append(header, "Content-type: text/xml");
response = malloc(sizeof(tss_response));
if (response == NULL) {
fprintf(stderr, "Unable to allocate sufficent memory\n");
return NULL;
}
response->length = 0;
response->content = malloc(1);
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, &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, "InetURL/1.0");
curl_easy_setopt(handle, CURLOPT_POSTFIELDSIZE, strlen(request));
curl_easy_setopt(handle, CURLOPT_URL, "http://cydia.saurik.com/TSS/controller?action=2");
//curl_easy_setopt(handle, CURLOPT_URL, "http://gs.apple.com/TSS/controller?action=2");
curl_easy_perform(handle);
curl_slist_free_all(header);
curl_easy_cleanup(handle);
}
curl_global_cleanup();
if(strstr(response->content, "MESSAGE=SUCCESS") == NULL) {
error("ERROR: Unable to get signature from this firmware\n");
free(response->content);
free(response);
return NULL;
}
char* tss_data = strstr(response->content, "<?xml");
if(tss_data == NULL) {
error("ERROR: Incorrectly formatted TSS response\n");
free(response->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);
/*
int sz = 0;
char* xml = NULL;
plist_to_xml(tss_response, &xml, &sz);
printf("%s", xml);
*/
return tss_response;
}
|
