Zack's final changes to the pairing.

1 files changed, 39 insertions, 7 deletions

diff --git a/src/lockdown.c b/src/lockdown.c
index 095b2b4..830866d 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -39,7 +39,28 @@ const ASN1_ARRAY_TYPE pkcs1_asn1_tab[]={
   {0,0,0}
 };
 
+int get_rand(int min, int max) {
+        int retval = (rand() % (max - min)) + min;
+        return retval;
+}
 
+char *lockdownd_generate_hostid() {
+        char *hostid = (char*)malloc(sizeof(char) * 37); // HostID's are just UUID's, and UUID's are 36 characters long
+        const char *chars = "ABCDEF0123456789";
+        srand(time(NULL));
+        int i = 0;
+        
+        for (i = 0; i < 36; i++) {
+                if (i == 8 || i == 13 || i == 18 || i == 23) {
+                        hostid[i] = '-';
+                        continue;
+                } else {
+                        hostid[i] = chars[get_rand(0,16)];
+                }
+        }
+        hostid[36] = '\0'; // make it a real string
+        return hostid;
+}
 
 lockdownd_client *new_lockdownd_client(iPhone *phone) {
         if (!phone) return NULL;
@@ -72,7 +93,7 @@ int lockdownd_recv(lockdownd_client *control, char **dump_data) {
         char *receive;
         uint32 datalen = 0, bytes = 0;
         
-        if (!control->in_SSL) bytes = mux_recv(control->iphone, control->connection, (char*)&datalen, sizeof(datalen));
+        if (!control->in_SSL) bytes = mux_recv(control->connection, (char *)&datalen, sizeof(datalen));
         else bytes = gnutls_record_recv(*control->ssl_session, &datalen, sizeof(datalen));
         datalen = ntohl(datalen);
         
@@ -120,8 +141,7 @@ int lockdownd_hello(lockdownd_client *control) {
         char *XML_content;
         uint32 length;
         
-        xmlDocDumpMemory(plist, (xmlChar**)&XML_content, &length);
-        
+        xmlDocDumpMemory(plist, (xmlChar **)&XML_content, &length);
         bytes = lockdownd_send(control, XML_content, length);
         
         xmlFree(XML_content);
@@ -135,7 +155,6 @@ int lockdownd_hello(lockdownd_client *control) {
                 if (!xmlStrcmp(dict->name, "dict")) break;
         }
         if (!dict) return 0;
-        
         dictionary = read_dict_element_strings(dict);
         xmlFreeDoc(plist);
         free(XML_content);      
@@ -226,6 +245,8 @@ int lockdownd_init(iPhone *phone, lockdownd_client **control)
         }
 
         host_id = get_host_id();
+        if (!host_id) host_id = lockdownd_generate_hostid();
+        
         if (!is_device_known(public_key)){
                 ret = lockdownd_pair_device(*control, public_key, host_id);
         }
@@ -284,6 +305,12 @@ int lockdownd_pair_device(lockdownd_client *control, char *public_key_b64, char
         /* Now get iPhone's answer */
         bytes = lockdownd_recv(control, &XML_content);
 
+        if (debug) {
+                printf("lockdown_pair_device: iPhone's response to our pair request:\n");
+                fwrite(XML_content, 1, bytes, stdout);
+                printf("\n\n");
+        }
+        
         plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0);
         if (!plist) return 0;
         dict = xmlDocGetRootElement(plist);
@@ -303,15 +330,20 @@ int lockdownd_pair_device(lockdownd_client *control, char *public_key_b64, char
                         success = 1;
                 }
         }
-        
+
         if (dictionary) {
                 free_dictionary(dictionary);
                 dictionary = NULL;
         }
 
         /* store public key in config if pairing succeeded */
-        if (success) 
+        if (success) {
+                if (debug) printf("lockdownd_pair_device: pair success\n");
                 store_device_public_key(public_key_b64);
+                ret = 1;
+        } else {
+                if (debug) printf("lockdownd_pair_device: pair failure\n");
+        }
         return ret;
 }
 
@@ -480,6 +512,7 @@ int lockdownd_start_SSL_session(lockdownd_client *control, const char *HostID) {
                                 // Set up GnuTLS...
                                 //gnutls_anon_client_credentials_t anoncred;
                                 gnutls_certificate_credentials_t xcred;
+
                                 if (debug) printf("We started the session OK, now trying GnuTLS\n");
                                 errno = 0;
                                 gnutls_global_init();
@@ -703,4 +736,3 @@ int lockdownd_start_service(lockdownd_client *control, const char *service) {
         
         return 0;
 }
-