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authorGravatar Matt Colyer2008-08-05 23:25:35 -0700
committerGravatar Matt Colyer2008-08-05 23:28:10 -0700
commit25e85bf5362b6f4c1878665c6037fdbfdc25c155 (patch)
tree437979cdb4b9a7958a3d891d6a39a7be2bf61d17
parent4b558a53f61005b0ca49665d2da92303f6e14872 (diff)
downloadlibimobiledevice-25e85bf5362b6f4c1878665c6037fdbfdc25c155.tar.gz
libimobiledevice-25e85bf5362b6f4c1878665c6037fdbfdc25c155.tar.bz2
Zack's final changes to the pairing.
-rw-r--r--src/ifuse.c9
-rw-r--r--src/initconf.c31
-rw-r--r--src/lockdown.c46
-rw-r--r--src/main.c1
-rw-r--r--src/plist.h1
-rw-r--r--src/usbmux.c2
-rw-r--r--src/userpref.c15
7 files changed, 84 insertions, 21 deletions
diff --git a/src/ifuse.c b/src/ifuse.c
index 900bb17..f33eaaa 100644
--- a/src/ifuse.c
+++ b/src/ifuse.c
@@ -52,13 +52,12 @@ static int ifuse_getattr(const char *path, struct stat *stbuf) {
file = afc_get_file_info(afc, path);
if (!file){
res = -ENOENT;
- return res;
+ } else {
+ stbuf->st_mode = file->type | 0444;
+ stbuf->st_size = file->size;
+ //stbuf->st_nlink = 2;
}
- stbuf->st_mode = file->type | 0444;
- stbuf->st_size = file->size;
- //stbuf->st_nlink = 2;
-
return res;
}
diff --git a/src/initconf.c b/src/initconf.c
index 960fb6b..92f8085 100644
--- a/src/initconf.c
+++ b/src/initconf.c
@@ -25,11 +25,34 @@
int debug = 1;
+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';
+ return hostid;
+}
+
int main(int argc, char *argv[]) {
gnutls_global_init();
- char* host_id = "29942970-207913891623273984";
+ char* host_id = NULL; //"29942970-207913891623273984"
gnutls_x509_privkey_t root_privkey;
gnutls_x509_privkey_t host_privkey;
@@ -44,7 +67,8 @@ int main(int argc, char *argv[]) {
/* generate HostID */
//TODO
-
+ host_id = lockdownd_generate_hostid();
+ if (debug) printf("HostID: %s\n", host_id);
/* generate keys */
gnutls_x509_privkey_generate(root_privkey, GNUTLS_PK_RSA, 2048, 0);
gnutls_x509_privkey_generate(host_privkey, GNUTLS_PK_RSA, 2048, 0);
@@ -62,7 +86,8 @@ int main(int argc, char *argv[]) {
gnutls_x509_crt_set_key(host_cert, host_privkey);
gnutls_x509_crt_set_serial(host_cert, "\x00", 1);
gnutls_x509_crt_set_version(host_cert, 3);
- gnutls_x509_crt_set_ca_status(host_cert, 1);
+ gnutls_x509_crt_set_ca_status(host_cert, 0);
+ gnutls_x509_crt_set_key_usage(host_cert, GNUTLS_KEY_KEY_ENCIPHERMENT | GNUTLS_KEY_DIGITAL_SIGNATURE);
gnutls_x509_crt_set_activation_time(host_cert, time(NULL));
gnutls_x509_crt_set_expiration_time(host_cert, time(NULL) + (60 * 60 * 24 * 365 * 10));
gnutls_x509_crt_sign(host_cert, root_cert, root_privkey);
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;
}
-
diff --git a/src/main.c b/src/main.c
index 1efc228..ea7c390 100644
--- a/src/main.c
+++ b/src/main.c
@@ -57,6 +57,7 @@ int main(int argc, char *argv[]) {
}
printf("Now starting SSL.\n");
+
host_id = get_host_id();
if (host_id && !lockdownd_start_SSL_session(control, host_id)) {
printf("Error happened in GnuTLS...\n");
diff --git a/src/plist.h b/src/plist.h
index a2f558e..db014ca 100644
--- a/src/plist.h
+++ b/src/plist.h
@@ -33,4 +33,5 @@ void free_plist(xmlDocPtr plist);
xmlDocPtr new_plist();
char **read_dict_element_strings(xmlNode *dict);
void free_dictionary(char **dictionary);
+char **read_dict_element_strings(xmlNode *dict);
#endif
diff --git a/src/usbmux.c b/src/usbmux.c
index 043f8af..cbae760 100644
--- a/src/usbmux.c
+++ b/src/usbmux.c
@@ -224,7 +224,7 @@ int mux_send(usbmux_connection *connection, const char *data, uint32 datalen) {
connection->header->length16 = ntohs(connection->header->length16);
// Now return the bytes.
- if (bytes < sizeof(*connection)+datalen) {
+ if (bytes < sizeof(usbmux_tcp_header)+datalen) {
return -1; // blah
} else {
return bytes - 28; // actual length sent. :/
diff --git a/src/userpref.c b/src/userpref.c
index 12ff8f3..1a9ebc9 100644
--- a/src/userpref.c
+++ b/src/userpref.c
@@ -23,6 +23,8 @@
#include <stdio.h>
#include <string.h>
#include "userpref.h"
+#include <string.h>
+#include <stdio.h>
#define LIBIPHONE_CONF_DIR "libiphone"
@@ -87,7 +89,7 @@ int is_device_known(char* public_key)
g_io_channel_read_to_end (keyfile, &stored_key, NULL, NULL);
/* now compare to input */
- if (strcmp(public_key, stored_key) == 2)
+ if (strcmp(public_key, stored_key) == 2 || !strcmp(public_key, stored_key))
ret = 1;
g_free(stored_key);
g_io_channel_shutdown(keyfile, FALSE, NULL);
@@ -118,6 +120,7 @@ int store_device_public_key(char* public_key)
gchar** devices_list = g_key_file_get_string_list (key_file, "Global", "DevicesList", NULL, NULL);
guint length = 0;
+ guint wlength = 0;
if (devices_list)
g_strv_length(devices_list);
g_strfreev(devices_list);
@@ -127,8 +130,9 @@ int store_device_public_key(char* public_key)
gchar* device_file = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), LIBIPHONE_CONF_DIR, dev_file, NULL);
GIOChannel* file = g_io_channel_new_file (device_file, "w", NULL);
- g_io_channel_write_chars (file, public_key, length, NULL, NULL);
- g_io_channel_shutdown(file, FALSE, NULL);
+ wlength = strlen(public_key); // why this wasn't discovered before... ugh
+ g_io_channel_write_chars (file, public_key, wlength, NULL, NULL);
+ g_io_channel_shutdown(file, TRUE, NULL);
/* append device to list */
gchar** new_devices_list = (gchar**)g_malloc(sizeof(gchar*)* (length + 1));
@@ -145,7 +149,7 @@ int store_device_public_key(char* public_key)
gchar* buf = g_key_file_to_data (key_file, &length,NULL);
GIOChannel* file = g_io_channel_new_file (config_file, "w", NULL);
g_io_channel_write_chars (file, buf, length, NULL, NULL);
- g_io_channel_shutdown(file, FALSE, NULL);
+ g_io_channel_shutdown(file, TRUE, NULL);
g_key_file_free(key_file);
}
@@ -215,6 +219,7 @@ int init_config_file(char* host_id, gnutls_datum_t* root_key, gnutls_datum_t* ho
GKeyFile* key_file = g_key_file_new ();
/* store in config file */
+ if (debug) printf("init_config_file setting hostID to %s\n", host_id);
g_key_file_set_value (key_file, "Global", "HostID", host_id);
/* write config file on disk */
@@ -222,7 +227,7 @@ int init_config_file(char* host_id, gnutls_datum_t* root_key, gnutls_datum_t* ho
gchar* buf = g_key_file_to_data (key_file, &length,NULL);
GIOChannel* file = g_io_channel_new_file (config_file, "w", NULL);
g_io_channel_write_chars (file, buf, length, NULL, NULL);
- g_io_channel_shutdown(file, FALSE, NULL);
+ g_io_channel_shutdown(file, TRUE, NULL);
g_key_file_free(key_file);