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/*
* SBServices.c
* SpringBoard Services implementation.
*
* Copyright (c) 2009 Nikias Bassen, 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 <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <plist/plist.h>
#include "SBServices.h"
#include "iphone.h"
#include "utils.h"
/** Locks an sbservices client, done for thread safety stuff.
*
* @param client The sbservices client to lock.
*/
static void sbs_lock(sbservices_client_t client)
{
log_debug_msg("SBServices: Locked\n");
g_mutex_lock(client->mutex);
}
/** Unlocks an sbservices client, done for thread safety stuff.
*
* @param client The sbservices client to unlock
*/
static void sbs_unlock(sbservices_client_t client)
{
log_debug_msg("SBServices: Unlocked\n");
g_mutex_unlock(client->mutex);
}
sbservices_error_t sbservices_client_new(iphone_device_t device, int dst_port, sbservices_client_t *client)
{
/* makes sure thread environment is available */
if (!g_thread_supported())
g_thread_init(NULL);
if (!device)
return SBSERVICES_E_INVALID_ARG;
/* Attempt connection */
iphone_connection_t connection = NULL;
if (iphone_device_connect(device, dst_port, &connection) != IPHONE_E_SUCCESS) {
return SBSERVICES_E_CONN_FAILED;
}
sbservices_client_t client_loc = (sbservices_client_t) malloc(sizeof(struct sbservices_client_int));
client_loc->connection = connection;
client_loc->mutex = g_mutex_new();
*client = client_loc;
return SBSERVICES_E_SUCCESS;
}
sbservices_error_t sbservices_client_free(sbservices_client_t client)
{
if (!client)
return SBSERVICES_E_INVALID_ARG;
iphone_device_disconnect(client->connection);
client->connection = NULL;
if (client->mutex) {
g_mutex_free(client->mutex);
}
free(client);
return SBSERVICES_E_SUCCESS;
}
/**
* Sends a binary plist to the device using the connection specified in client.
* This function is only used internally.
*
* @param client InstallationProxy to send data to
* @param dict plist to send
*
* @return SBSERVICES_E_SUCCESS on success, SBSERVICES_E_INVALID_ARG when
* client or dict are NULL, SBSERVICES_E_PLIST_ERROR when dict is not a
* valid plist, or SBSERVICES_E_UNKNOWN_ERROR when an unspecified error
* occurs.
*/
static sbservices_error_t sbservices_plist_send(sbservices_client_t client, plist_t dict)
{
char *content = NULL;
uint32_t length = 0;
uint32_t nlen = 0;
int bytes = 0;
sbservices_error_t res = SBSERVICES_E_UNKNOWN_ERROR;
if (!client || !dict) {
return SBSERVICES_E_INVALID_ARG;
}
plist_to_bin(dict, &content, &length);
if (!content || length == 0) {
return SBSERVICES_E_PLIST_ERROR;
}
nlen = htonl(length);
log_debug_msg("%s: sending %d bytes\n", __func__, length);
iphone_device_send(client->connection, (const char*)&nlen, sizeof(nlen), (uint32_t*)&bytes);
if (bytes == sizeof(nlen)) {
iphone_device_send(client->connection, content, length, (uint32_t*)&bytes);
if (bytes > 0) {
if ((uint32_t)bytes == length) {
res = SBSERVICES_E_SUCCESS;
} else {
log_debug_msg("%s: ERROR: Could not send all data (%d of %d)!\n", __func__, bytes, length);
}
}
}
if (bytes <= 0) {
log_debug_msg("%s: ERROR: sending to device failed.\n", __func__);
}
free(content);
return res;
}
sbservices_error_t sbservices_get_icon_state(sbservices_client_t client, plist_t *state)
{
if (!client || !client->connection || !state)
return SBSERVICES_E_INVALID_ARG;
sbservices_error_t res = SBSERVICES_E_UNKNOWN_ERROR;
uint32_t pktlen = 0;
uint32_t bytes = 0;
plist_t dict = plist_new_dict();
plist_dict_insert_item(dict, "command", plist_new_string("getIconState"));
sbs_lock(client);
res = sbservices_plist_send(client, dict);
plist_free(dict);
if (res != SBSERVICES_E_SUCCESS) {
log_debug_msg("%s: could not send plist\n", __func__);
goto leave_unlock;
}
iphone_device_recv(client->connection, (char*)&pktlen, sizeof(pktlen), &bytes);
log_debug_msg("%s: initial read=%i\n", __func__, bytes);
if (bytes < 4) {
log_debug_msg("%s: initial read failed!\n");
res = 0;
} else {
if ((char)pktlen == 0) {
char *content = NULL;
uint32_t curlen = 0;
pktlen = ntohl(pktlen);
log_debug_msg("%s: %d bytes following\n", __func__, pktlen);
content = (char*)malloc(pktlen);
log_debug_msg("pointer %p\n", content);
while (curlen < pktlen) {
iphone_device_recv(client->connection, content+curlen, pktlen-curlen, &bytes);
if (bytes <= 0) {
res = SBSERVICES_E_UNKNOWN_ERROR;
break;
}
log_debug_msg("%s: received %d bytes\n", __func__, bytes);
curlen += bytes;
}
log_debug_buffer(content, pktlen);
plist_from_bin(content, pktlen, state);
res = SBSERVICES_E_SUCCESS;
free(content);
} else {
res = SBSERVICES_E_UNKNOWN_ERROR;
}
}
leave_unlock:
sbs_unlock(client);
return res;
}
sbservices_error_t sbservices_set_icon_state(sbservices_client_t client, plist_t newstate)
{
if (!client || !client->connection || !newstate)
return SBSERVICES_E_INVALID_ARG;
sbservices_error_t res = SBSERVICES_E_UNKNOWN_ERROR;
plist_t dict = plist_new_dict();
plist_dict_insert_item(dict, "command", plist_new_string("setIconState"));
plist_dict_insert_item(dict, "iconState", plist_copy(newstate));
sbs_lock(client);
res = sbservices_plist_send(client, dict);
plist_free(dict);
if (res != SBSERVICES_E_SUCCESS) {
log_debug_msg("%s: could not send plist\n", __func__);
goto leave_unlock;
}
// NO RESPONSE
leave_unlock:
sbs_unlock(client);
return res;
}
sbservices_error_t sbservices_get_icon_pngdata(sbservices_client_t client, const char *bundleId, char **pngdata, uint64_t *pngsize)
{
if (!client || !client->connection || !pngdata)
return SBSERVICES_E_INVALID_ARG;
sbservices_error_t res = SBSERVICES_E_UNKNOWN_ERROR;
uint32_t pktlen = 0;
uint32_t bytes = 0;
plist_t dict = plist_new_dict();
plist_dict_insert_item(dict, "command", plist_new_string("getIconPNGData"));
plist_dict_insert_item(dict, "bundleId", plist_new_string(bundleId));
sbs_lock(client);
res = sbservices_plist_send(client, dict);
plist_free(dict);
if (res != SBSERVICES_E_SUCCESS) {
log_debug_msg("%s: could not send plist\n", __func__);
goto leave_unlock;
}
iphone_device_recv(client->connection, (char*)&pktlen, sizeof(pktlen), &bytes);
log_debug_msg("%s: initial read=%i\n", __func__, bytes);
if (bytes < 4) {
log_debug_msg("%s: initial read failed!\n");
res = 0;
} else {
if ((char)pktlen == 0) {
char *content = NULL;
uint32_t curlen = 0;
pktlen = ntohl(pktlen);
log_debug_msg("%s: %d bytes following\n", __func__, pktlen);
content = (char*)malloc(pktlen);
log_debug_msg("pointer %p\n", content);
while (curlen < pktlen) {
iphone_device_recv(client->connection, content+curlen, pktlen-curlen, &bytes);
if (bytes <= 0) {
res = SBSERVICES_E_UNKNOWN_ERROR;
break;
}
log_debug_msg("%s: received %d bytes\n", __func__, bytes);
curlen += bytes;
}
log_debug_buffer(content, pktlen);
plist_t pngdict = NULL;
plist_from_bin(content, pktlen, &pngdict);
plist_t node = plist_dict_get_item(pngdict, "pngData");
if (node) {
plist_get_data_val(node, pngdata, pngsize);
}
plist_free(pngdict);
res = SBSERVICES_E_SUCCESS;
free(content);
} else {
res = SBSERVICES_E_UNKNOWN_ERROR;
}
}
leave_unlock:
sbs_unlock(client);
return res;
}
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