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-rw-r--r--src/userpref.c161
1 files changed, 81 insertions, 80 deletions
diff --git a/src/userpref.c b/src/userpref.c
index f7ddaeb..4b6dd98 100644
--- a/src/userpref.c
+++ b/src/userpref.c
@@ -22,6 +22,7 @@
#include <glib.h>
#include <glib/gprintf.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
@@ -42,7 +43,7 @@
/** Creates a freedesktop compatible configuration directory for libiphone.
*/
-static void create_config_dir(void)
+static void userpref_create_config_dir(void)
{
gchar *config_dir = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), LIBIPHONE_CONF_DIR, NULL);
@@ -62,9 +63,10 @@ static int get_rand(int min, int max)
*
* @return A null terminated string containing a valid HostID.
*/
-static char *lockdownd_generate_hostid()
+static char *userpref_generate_host_id()
{
- char *hostid = (char *) malloc(sizeof(char) * 37); // HostID's are just UUID's, and UUID's are 36 characters long
+ /* HostID's are just UUID's, and UUID's are 36 characters long */
+ char *hostid = (char *) malloc(sizeof(char) * 37);
const char *chars = "ABCDEF0123456789";
srand(time(NULL));
int i = 0;
@@ -77,7 +79,8 @@ static char *lockdownd_generate_hostid()
hostid[i] = chars[get_rand(0, 16)];
}
}
- hostid[36] = '\0'; // make it a real string
+ /* make it a real string */
+ hostid[36] = '\0';
return hostid;
}
@@ -85,7 +88,7 @@ static char *lockdownd_generate_hostid()
*
* @param host_id A null terminated string containing a valid HostID.
*/
-static int write_host_id(char *host_id)
+static int userpref_set_host_id(char *host_id)
{
GKeyFile *key_file;
gsize length;
@@ -96,7 +99,7 @@ static int write_host_id(char *host_id)
return 0;
/* Make sure config directory exists */
- create_config_dir();
+ userpref_create_config_dir();
/* Now parse file to get the HostID */
key_file = g_key_file_new();
@@ -125,9 +128,8 @@ static int write_host_id(char *host_id)
*
* @return The string containing the HostID or NULL
*/
-char *get_host_id(void)
+void userpref_get_host_id(char **host_id)
{
- char *host_id = NULL;
gchar *config_file;
GKeyFile *key_file;
gchar *loc_host_id;
@@ -140,20 +142,19 @@ char *get_host_id(void)
if (g_key_file_load_from_file(key_file, config_file, G_KEY_FILE_KEEP_COMMENTS, NULL)) {
loc_host_id = g_key_file_get_value(key_file, "Global", "HostID", NULL);
if (loc_host_id)
- host_id = strdup((char *) loc_host_id);
+ *host_id = strdup((char *) loc_host_id);
g_free(loc_host_id);
}
g_key_file_free(key_file);
g_free(config_file);
if (!host_id) {
- //no config, generate host_id
- host_id = lockdownd_generate_hostid();
- write_host_id(host_id);
+ /* no config, generate host_id */
+ *host_id = userpref_generate_host_id();
+ userpref_set_host_id(*host_id);
}
- log_debug_msg("%s: Using %s as HostID\n", __func__, host_id);
- return host_id;
+ log_debug_msg("%s: Using %s as HostID\n", __func__, *host_id);
}
/** Determines whether this iPhone has been connected to this system before.
@@ -163,13 +164,13 @@ char *get_host_id(void)
* @return 1 if the iPhone has been connected previously to this configuration
* or 0 otherwise.
*/
-int is_device_known(char *uid)
+int userpref_has_device_public_key(char *uuid)
{
int ret = 0;
gchar *config_file;
/* first get config file */
- gchar *device_file = g_strconcat(uid, ".pem", NULL);
+ gchar *device_file = g_strconcat(uuid, ".pem", NULL);
config_file = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), LIBIPHONE_CONF_DIR, device_file, NULL);
if (g_file_test(config_file, (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)))
ret = 1;
@@ -186,17 +187,19 @@ int is_device_known(char *uid)
* @return 1 on success and 0 if no public key is given or if it has already
* been marked as connected previously.
*/
-int store_device_public_key(char *uid, gnutls_datum_t public_key)
+userpref_error_t userpref_set_device_public_key(char *uuid, gnutls_datum_t public_key)
{
-
- if (NULL == public_key.data || is_device_known(uid))
- return 0;
+ if (NULL == public_key.data)
+ return USERPREF_E_INVALID_ARG;
+
+ if (userpref_has_device_public_key(uuid))
+ return USERPREF_E_SUCCESS;
/* ensure config directory exists */
- create_config_dir();
+ userpref_create_config_dir();
/* build file path */
- gchar *device_file = g_strconcat(uid, ".pem", NULL);
+ gchar *device_file = g_strconcat(uuid, ".pem", NULL);
gchar *pem = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), LIBIPHONE_CONF_DIR, device_file, NULL);
/* store file */
@@ -205,7 +208,8 @@ int store_device_public_key(char *uid, gnutls_datum_t public_key)
fclose(pFile);
g_free(pem);
g_free(device_file);
- return 1;
+
+ return USERPREF_E_SUCCESS;
}
/** Private function which reads the given file into a gnutls structure.
@@ -215,7 +219,7 @@ int store_device_public_key(char *uid, gnutls_datum_t public_key)
*
* @return 1 if the file contents where read successfully and 0 otherwise.
*/
-static int read_file_in_confdir(const char *file, gnutls_datum_t * data)
+static int userpref_get_file_contents(const char *file, gnutls_datum_t * data)
{
gboolean success;
gsize size;
@@ -237,17 +241,17 @@ static int read_file_in_confdir(const char *file, gnutls_datum_t * data)
return success;
}
-
/** Private function which generate private keys and certificates.
*
- * @return IPHONE_E_SUCCESS if keys were successfully generated.
+ * @return 1 if keys were successfully generated, 0 otherwise
*/
-static iphone_error_t gen_keys_and_cert(void)
+static userpref_error_t userpref_gen_keys_and_cert(void)
{
- iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
+ userpref_error_t ret = USERPREF_E_SSL_ERROR;
+
gnutls_x509_privkey_t root_privkey;
- gnutls_x509_privkey_t host_privkey;
gnutls_x509_crt_t root_cert;
+ gnutls_x509_privkey_t host_privkey;
gnutls_x509_crt_t host_cert;
gnutls_global_deinit();
@@ -311,14 +315,14 @@ static iphone_error_t gen_keys_and_cert(void)
if (NULL != root_cert_pem.data && 0 != root_cert_pem.size &&
NULL != host_cert_pem.data && 0 != host_cert_pem.size)
- ret = IPHONE_E_SUCCESS;
+ ret = USERPREF_E_SUCCESS;
/* store values in config file */
- init_config_file( &root_key_pem, &host_key_pem, &root_cert_pem, &host_cert_pem);
+ userpref_set_keys_and_certs( &root_key_pem, &root_cert_pem, &host_key_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_key_pem.data);
gnutls_free(host_cert_pem.data);
//restore gnutls env
@@ -333,18 +337,18 @@ static iphone_error_t gen_keys_and_cert(void)
* @param key_name The filename of the private key to import.
* @param key the gnutls key structure.
*
- * @return IPHONE_E_SUCCESS if the key was successfully imported.
+ * @return 1 if the key was successfully imported.
*/
-static iphone_error_t import_key(const char* key_name, gnutls_x509_privkey_t key)
+static userpref_error_t userpref_import_key(const char* key_name, gnutls_x509_privkey_t key)
{
- iphone_error_t ret = IPHONE_E_INVALID_CONF;
+ userpref_error_t ret = USERPREF_E_INVALID_CONF;
gnutls_datum_t pem_key = { NULL, 0 };
- if ( read_file_in_confdir(key_name, &pem_key) ) {
+ if (userpref_get_file_contents(key_name, &pem_key)) {
if (GNUTLS_E_SUCCESS == gnutls_x509_privkey_import(key, &pem_key, GNUTLS_X509_FMT_PEM))
- ret = IPHONE_E_SUCCESS;
+ ret = USERPREF_E_SUCCESS;
else
- ret = IPHONE_E_SSL_ERROR;
+ ret = USERPREF_E_SSL_ERROR;
}
gnutls_free(pem_key.data);
return ret;
@@ -357,16 +361,16 @@ static iphone_error_t import_key(const char* key_name, gnutls_x509_privkey_t key
*
* @return IPHONE_E_SUCCESS if the certificate was successfully imported.
*/
-static iphone_error_t import_crt(const char* crt_name, gnutls_x509_crt_t cert)
+static userpref_error_t userpref_import_crt(const char* crt_name, gnutls_x509_crt_t cert)
{
- iphone_error_t ret = IPHONE_E_INVALID_CONF;
+ userpref_error_t ret = USERPREF_E_INVALID_CONF;
gnutls_datum_t pem_cert = { NULL, 0 };
- if ( read_file_in_confdir(crt_name, &pem_cert) ) {
+ if (userpref_get_file_contents(crt_name, &pem_cert)) {
if (GNUTLS_E_SUCCESS == gnutls_x509_crt_import(cert, &pem_cert, GNUTLS_X509_FMT_PEM))
- ret = IPHONE_E_SUCCESS;
+ ret = USERPREF_E_SUCCESS;
else
- ret = IPHONE_E_SSL_ERROR;
+ ret = USERPREF_E_SSL_ERROR;
}
gnutls_free(pem_cert.data);
return ret;
@@ -382,41 +386,41 @@ static iphone_error_t import_crt(const char* crt_name, gnutls_x509_crt_t cert)
* @param host_privkey The host private key.
* @param host_crt The host certificate.
*
- * @return IPHONE_E_SUCCESS if the keys and certificates were successfully retrieved.
+ * @return 1 if the keys and certificates were successfully retrieved, 0 otherwise
*/
-iphone_error_t get_keys_and_certs(gnutls_x509_privkey_t root_privkey, gnutls_x509_crt_t root_crt, gnutls_x509_privkey_t host_privkey, gnutls_x509_crt_t host_crt)
+userpref_error_t userpref_get_keys_and_certs(gnutls_x509_privkey_t root_privkey, gnutls_x509_crt_t root_crt, gnutls_x509_privkey_t host_privkey, gnutls_x509_crt_t host_crt)
{
- iphone_error_t ret = IPHONE_E_SUCCESS;
+ userpref_error_t ret = USERPREF_E_SUCCESS;
- if (ret == IPHONE_E_SUCCESS)
- ret = import_key(LIBIPHONE_ROOT_PRIVKEY, root_privkey);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_key(LIBIPHONE_ROOT_PRIVKEY, root_privkey);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_key(LIBIPHONE_HOST_PRIVKEY, host_privkey);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_key(LIBIPHONE_HOST_PRIVKEY, host_privkey);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_crt(LIBIPHONE_ROOT_CERTIF, root_crt);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_crt(LIBIPHONE_ROOT_CERTIF, root_crt);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_crt(LIBIPHONE_HOST_CERTIF, host_crt);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_crt(LIBIPHONE_HOST_CERTIF, host_crt);
- if (IPHONE_E_SUCCESS != ret) {
+ if (USERPREF_E_SUCCESS != ret) {
//we had problem reading or importing root cert
//try with a new ones.
- ret = gen_keys_and_cert();
+ ret = userpref_gen_keys_and_cert();
- if (ret == IPHONE_E_SUCCESS)
- ret = import_key(LIBIPHONE_ROOT_PRIVKEY, root_privkey);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_key(LIBIPHONE_ROOT_PRIVKEY, root_privkey);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_key(LIBIPHONE_HOST_PRIVKEY, host_privkey);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_key(LIBIPHONE_HOST_PRIVKEY, host_privkey);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_crt(LIBIPHONE_ROOT_CERTIF, root_crt);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_crt(LIBIPHONE_ROOT_CERTIF, root_crt);
- if (ret == IPHONE_E_SUCCESS)
- ret = import_crt(LIBIPHONE_HOST_CERTIF, host_crt);
+ if (ret == USERPREF_E_SUCCESS)
+ ret = userpref_import_crt(LIBIPHONE_HOST_CERTIF, host_crt);
}
return ret;
@@ -427,46 +431,43 @@ iphone_error_t get_keys_and_certs(gnutls_x509_privkey_t root_privkey, gnutls_x50
* @param pem_root_cert The root certificate.
* @param pem_host_cert The host certificate.
*
- * @return IPHONE_E_SUCCESS if the certificates were successfully retrieved.
+ * @return 1 if the certificates were successfully retrieved, 0 otherwise
*/
-iphone_error_t get_certs_as_pem(gnutls_datum_t *pem_root_cert, gnutls_datum_t *pem_host_cert)
+userpref_error_t userpref_get_certs_as_pem(gnutls_datum_t *pem_root_cert, gnutls_datum_t *pem_host_cert)
{
- iphone_error_t ret = IPHONE_E_INVALID_CONF;
-
- if ( !pem_root_cert || !pem_host_cert)
- return IPHONE_E_INVALID_ARG;
+ if (!pem_root_cert || !pem_host_cert)
+ return USERPREF_E_INVALID_ARG;
- if ( read_file_in_confdir(LIBIPHONE_ROOT_CERTIF, pem_root_cert) && read_file_in_confdir(LIBIPHONE_HOST_CERTIF, pem_host_cert))
- ret = IPHONE_E_SUCCESS;
+ if (userpref_get_file_contents(LIBIPHONE_ROOT_CERTIF, pem_root_cert) && userpref_get_file_contents(LIBIPHONE_HOST_CERTIF, pem_host_cert))
+ return USERPREF_E_SUCCESS;
else {
g_free(pem_root_cert->data);
g_free(pem_host_cert->data);
}
- return ret;
+ return USERPREF_E_INVALID_CONF;
}
+
/** Create and save a configuration file containing the given data.
*
* @note: All fields must specified and be non-null
*
- * @param host_id The UUID of the host
* @param root_key The root key
- * @param host_key The host key
* @param root_cert The root certificate
+ * @param host_key The host key
* @param host_cert The host certificate
*
* @return 1 on success and 0 otherwise.
*/
-int init_config_file( gnutls_datum_t * root_key, gnutls_datum_t * host_key, gnutls_datum_t * root_cert,
- gnutls_datum_t * host_cert)
+userpref_error_t userpref_set_keys_and_certs(gnutls_datum_t * root_key, gnutls_datum_t * root_cert, gnutls_datum_t * host_key, gnutls_datum_t * host_cert)
{
FILE *pFile;
gchar *pem;
if (!root_key || !host_key || !root_cert || !host_cert)
- return 0;
+ return USERPREF_E_INVALID_ARG;
/* Make sure config directory exists */
- create_config_dir();
+ userpref_create_config_dir();
/* Now write keys and certificates to disk */
pem = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), LIBIPHONE_CONF_DIR, LIBIPHONE_ROOT_PRIVKEY, NULL);
@@ -493,5 +494,5 @@ int init_config_file( gnutls_datum_t * root_key, gnutls_datum_t * host_key, gnut
fclose(pFile);
g_free(pem);
- return 1;
+ return USERPREF_E_SUCCESS;
}
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