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authorGravatar Jonathan Beck2009-04-12 16:08:06 +0200
committerGravatar Jonathan Beck2009-04-12 16:08:06 +0200
commitf893e8a9e2cc197522f838b3f2bbec8862953c2f (patch)
tree9a496fe32f376f860e266916d2bdc4bd9485bc26 /src/initconf.c
parent86289b387daebfa5607435a76b15848bcb46916e (diff)
downloadlibimobiledevice-f893e8a9e2cc197522f838b3f2bbec8862953c2f.tar.gz
libimobiledevice-f893e8a9e2cc197522f838b3f2bbec8862953c2f.tar.bz2
Use less secure random number generation so we can generate private
keys on the fly. Drop libiphone-initconf.
Diffstat (limited to 'src/initconf.c')
-rw-r--r--src/initconf.c213
1 files changed, 0 insertions, 213 deletions
diff --git a/src/initconf.c b/src/initconf.c
deleted file mode 100644
index 538f344..0000000
--- a/src/initconf.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * userpref.c
- * contains methods to access user specific certificates IDs and more.
- *
- * Copyright (c) 2008 Jonathan Beck 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 <gnutls/gnutls.h>
-#include <gnutls/x509.h>
-#include <glib.h>
-
-#include "libiphone/libiphone.h"
-#include "userpref.h"
-#include "utils.h"
-
-/** Generates a 2048 byte key, split into a function so that it can be run in a
- * thread.
- *
- * @param key The pointer to the desired location of the new key.
- */
-static void generate_key(gpointer key)
-{
- gnutls_x509_privkey_generate(*((gnutls_x509_privkey_t *) key), GNUTLS_PK_RSA, 2048, 0);
- g_thread_exit(0);
-}
-
-/** Simple function that generates a spinner until the mutex is released.
- */
-static void progress_bar(gpointer mutex)
-{
- const char *spinner = "|/-\\|/-\\";
- int i = 0;
-
- while (!g_static_mutex_trylock((GStaticMutex *) mutex)) {
- usleep(500000);
- printf("Generating key... %c\r", spinner[i++]);
- fflush(stdout);
- if (i > 8)
- i = 0;
- }
- printf("Generating key... done\n");
- g_thread_exit(0);
-}
-
-int get_rand(int min, int max)
-{
- int retval = (rand() % (max - min)) + min;
- return retval;
-}
-
-/** Generates a valid HostID (which is actually a UUID).
- *
- * @param A null terminated string containing a valid HostID.
- */
-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;
-}
-
-int main(int argc, char *argv[])
-{
- GThread *progress_thread, *key_thread;
- GError *err;
- static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
- char *host_id = NULL;
- gnutls_x509_privkey_t root_privkey;
- gnutls_x509_privkey_t host_privkey;
- gnutls_x509_crt_t root_cert;
- gnutls_x509_crt_t host_cert;
-
- iphone_set_debug(1);
-
- // Create the thread
- if (!g_thread_supported()) {
- g_thread_init(NULL);
- }
- gnutls_global_init();
-
- printf("This program generates keys required to connect with the iPhone\n");
- printf("It only needs to be run ONCE.\n\n");
- printf("Additionally it may take several minutes to run, please be patient.\n\n");
-
-
- gnutls_x509_privkey_init(&root_privkey);
- gnutls_x509_privkey_init(&host_privkey);
-
- gnutls_x509_crt_init(&root_cert);
- gnutls_x509_crt_init(&host_cert);
-
- /* generate HostID */
- host_id = lockdownd_generate_hostid();
-
- /* generate root key */
- g_static_mutex_lock(&mutex);
- if ((key_thread = g_thread_create((GThreadFunc) generate_key, &root_privkey, TRUE, &err)) == NULL) {
- printf("Thread create failed: %s!!\n", err->message);
- g_error_free(err);
- }
- if ((progress_thread = g_thread_create((GThreadFunc) progress_bar, &mutex, TRUE, &err)) == NULL) {
- printf("Thread create failed: %s!!\n", err->message);
- g_error_free(err);
- }
- g_thread_join(key_thread);
- g_static_mutex_unlock(&mutex);
- g_thread_join(progress_thread);
-
- /* generate host key */
- g_static_mutex_init(&mutex);
- g_static_mutex_lock(&mutex);
- if ((key_thread = g_thread_create((GThreadFunc) generate_key, &host_privkey, TRUE, &err)) == NULL) {
- printf("Thread create failed: %s!!\n", err->message);
- g_error_free(err);
- }
- if ((progress_thread = g_thread_create((GThreadFunc) progress_bar, &mutex, TRUE, &err)) == NULL) {
- printf("Thread create failed: %s!!\n", err->message);
- g_error_free(err);
- }
- g_thread_join(key_thread);
- g_static_mutex_unlock(&mutex);
- g_thread_join(progress_thread);
-
- /* generate certificates */
- gnutls_x509_crt_set_key(root_cert, root_privkey);
- gnutls_x509_crt_set_serial(root_cert, "\x00", 1);
- gnutls_x509_crt_set_version(root_cert, 3);
- gnutls_x509_crt_set_ca_status(root_cert, 1);
- gnutls_x509_crt_set_activation_time(root_cert, time(NULL));
- gnutls_x509_crt_set_expiration_time(root_cert, time(NULL) + (60 * 60 * 24 * 365 * 10));
- gnutls_x509_crt_sign(root_cert, root_cert, root_privkey);
-
-
- 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, 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);
-
-
- /* export to PEM format */
- gnutls_datum_t root_key_pem = { NULL, 0 };
- gnutls_datum_t host_key_pem = { NULL, 0 };
-
- gnutls_x509_privkey_export(root_privkey, GNUTLS_X509_FMT_PEM, NULL, &root_key_pem.size);
- gnutls_x509_privkey_export(host_privkey, GNUTLS_X509_FMT_PEM, NULL, &host_key_pem.size);
-
- root_key_pem.data = gnutls_malloc(root_key_pem.size);
- host_key_pem.data = gnutls_malloc(host_key_pem.size);
-
- gnutls_x509_privkey_export(root_privkey, GNUTLS_X509_FMT_PEM, root_key_pem.data, &root_key_pem.size);
- gnutls_x509_privkey_export(host_privkey, GNUTLS_X509_FMT_PEM, host_key_pem.data, &host_key_pem.size);
-
- gnutls_datum_t root_cert_pem = { NULL, 0 };
- gnutls_datum_t host_cert_pem = { NULL, 0 };
-
- gnutls_x509_crt_export(root_cert, GNUTLS_X509_FMT_PEM, NULL, &root_cert_pem.size);
- gnutls_x509_crt_export(host_cert, GNUTLS_X509_FMT_PEM, NULL, &host_cert_pem.size);
-
- root_cert_pem.data = gnutls_malloc(root_cert_pem.size);
- host_cert_pem.data = gnutls_malloc(host_cert_pem.size);
-
- printf("Generating root certificate...");
- gnutls_x509_crt_export(root_cert, GNUTLS_X509_FMT_PEM, root_cert_pem.data, &root_cert_pem.size);
- printf("done\n");
-
- printf("Generating host certificate...");
- gnutls_x509_crt_export(host_cert, GNUTLS_X509_FMT_PEM, host_cert_pem.data, &host_cert_pem.size);
- printf("done\n");
-
-
- /* store values in config file */
- init_config_file(host_id, &root_key_pem, &host_key_pem, &root_cert_pem, &host_cert_pem);
-
- gnutls_free(root_key_pem.data);
- gnutls_free(host_key_pem.data);
- gnutls_free(root_cert_pem.data);
- gnutls_free(host_cert_pem.data);
-
- return 0;
-}