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/*
* This file is part of Samsung-RIL.
*
* Copyright (C) 2013 Paul Kocialkowski <contact@paulk.fr>
*
* Samsung-RIL is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Samsung-RIL 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Samsung-RIL. If not, see <http://www.gnu.org/licenses/>.
*/
#define LOG_TAG "RIL-SVC"
#include <utils/Log.h>
#include "samsung-ril.h"
#include "util.h"
int ril_oem_hook_svc_session_start(void)
{
if (ril_data.oem_hook_svc_session != NULL) {
LOGE("OEM hook SVC session was already started");
return -1;
}
ril_data.oem_hook_svc_session = calloc(1, sizeof(struct ril_oem_hook_svc_session));
return 0;
}
void ril_oem_hook_svc_session_stop(void)
{
if (ril_data.oem_hook_svc_session == NULL) {
LOGE("OEM hook SVC session was already stopped");
return;
}
if (ril_data.oem_hook_svc_session->display_screen != NULL)
free(ril_data.oem_hook_svc_session->display_screen);
free(ril_data.oem_hook_svc_session);
ril_data.oem_hook_svc_session = NULL;
}
void ipc_svc_display_screen(struct ipc_message_info *info)
{
char svc_end_message[] = "Samsung-RIL is asking you to End service mode";
struct ipc_svc_display_screen_header *header;
struct ipc_svc_display_screen_data *data;
if (info == NULL || info->data == NULL || info->length < sizeof(header->count))
return;
if (ril_data.oem_hook_svc_session == NULL)
goto error;
header = (struct ipc_svc_display_screen_header *) info->data;
if (header->count == 0) {
if (ril_data.oem_hook_svc_session->token != RIL_TOKEN_NULL) {
ril_request_complete(ril_data.oem_hook_svc_session->token, RIL_E_SUCCESS, &svc_end_message, sizeof(svc_end_message));
ril_data.oem_hook_svc_session->token = RIL_TOKEN_NULL;
}
ril_oem_hook_svc_session_stop();
return;
}
data = (struct ipc_svc_display_screen_data *) ((unsigned char *) info->data + sizeof(struct ipc_svc_display_screen_header));
// Invalid responses don't start at index 0
if (data->index != 0)
return;
if (ril_data.oem_hook_svc_session->display_screen != NULL) {
free(ril_data.oem_hook_svc_session->display_screen);
ril_data.oem_hook_svc_session->display_screen = NULL;
ril_data.oem_hook_svc_session->display_screen_length = 0;
}
ril_data.oem_hook_svc_session->display_screen_length = header->count * sizeof(struct ipc_svc_display_screen_data);
ril_data.oem_hook_svc_session->display_screen = malloc(ril_data.oem_hook_svc_session->display_screen_length);
memcpy(ril_data.oem_hook_svc_session->display_screen, data, ril_data.oem_hook_svc_session->display_screen_length);
if (ril_data.oem_hook_svc_session->token != RIL_TOKEN_NULL) {
ril_request_complete(ril_data.oem_hook_svc_session->token, RIL_E_SUCCESS, ril_data.oem_hook_svc_session->display_screen, ril_data.oem_hook_svc_session->display_screen_length);
ril_data.oem_hook_svc_session->token = RIL_TOKEN_NULL;
}
return;
error:
ril_request_complete(ril_request_get_token(info->aseq), RIL_E_GENERIC_FAILURE, NULL, 0);
}
void ipc_svc_callback(struct ipc_message_info *info)
{
struct ipc_gen_phone_res *phone_res;
int rc;
if (info == NULL || info->data == NULL || info->length < (int) sizeof(struct ipc_gen_phone_res))
return;
if (ril_data.oem_hook_svc_session == NULL)
goto error;
phone_res = (struct ipc_gen_phone_res *) info->data;
rc = ipc_gen_phone_res_check(phone_res);
if (rc < 0)
goto error;
if (ril_data.oem_hook_svc_session->token != RIL_TOKEN_NULL) {
LOGE("%s: Another token is waiting", __func__);
goto error;
}
ril_data.oem_hook_svc_session->token = ril_request_get_token(info->aseq);
return;
error:
ril_request_complete(ril_request_get_token(info->aseq), RIL_E_GENERIC_FAILURE, NULL, 0);
}
void ril_request_oem_hook_raw(RIL_Token token, void *data, int length)
{
RIL_OEMHookHeader *header;
RIL_OEMHookSvcEnterMode *svc_enter_mode;
RIL_OEMHookSvcEndMode *svc_end_mode;
RIL_OEMHookSvcKey *svc_key;
struct ipc_svc_enter_data svc_enter_data;
struct ipc_svc_end_data svc_end_data;
struct ipc_svc_pro_keycode_data svc_pro_keycode_data;
int svc_length;
int rc;
if (data == NULL || length < (int) sizeof(RIL_OEMHookHeader))
goto error;
if (ril_radio_state_complete(RADIO_STATE_OFF, token))
return;
header = (RIL_OEMHookHeader *) data;
// Only SVC is supported
if (header->tag != RIL_OEM_HOOK_TAG_SVC)
goto error;
svc_length = (header->length & 0xff) << 8 | (header->length & 0xff00) >> 8;
switch (header->command) {
case RIL_OEM_COMMAND_SVC_ENTER_MODE:
if (svc_length < (int) (sizeof(RIL_OEMHookHeader) + sizeof(RIL_OEMHookSvcEnterMode)))
goto error;
svc_enter_mode = (RIL_OEMHookSvcEnterMode *) ((unsigned char *) data + sizeof(RIL_OEMHookHeader));
if (svc_enter_mode->query) {
if (ril_data.oem_hook_svc_session == NULL)
goto error;
if (ril_data.oem_hook_svc_session->display_screen != NULL && ril_data.oem_hook_svc_session->display_screen_length > 0)
ril_request_complete(token, RIL_E_SUCCESS, ril_data.oem_hook_svc_session->display_screen, ril_data.oem_hook_svc_session->display_screen_length);
else
goto error;
} else {
rc = ril_oem_hook_svc_session_start();
if (rc < 0) {
LOGE("%s: Unable to start OEM hook SVC session", __func__);
goto error;
}
memset(&svc_enter_data, 0, sizeof(svc_enter_data));
svc_enter_data.mode = svc_enter_mode->mode;
svc_enter_data.type = svc_enter_mode->type;
if (svc_enter_data.mode == IPC_SVC_MODE_MONITOR)
svc_enter_data.unknown = 0x00;
else
svc_enter_data.unknown = 0x10;
ipc_gen_phone_res_expect_to_func(ril_request_get_id(token), IPC_SVC_ENTER, ipc_svc_callback);
ipc_fmt_send(IPC_SVC_ENTER, IPC_TYPE_SET, (unsigned char *) &svc_enter_data, sizeof(svc_enter_data), ril_request_get_id(token));
}
break;
case RIL_OEM_COMMAND_SVC_END_MODE:
if (svc_length < (int) (sizeof(RIL_OEMHookHeader) + sizeof(RIL_OEMHookSvcEndMode)))
goto error;
svc_end_mode = (RIL_OEMHookSvcEndMode *) ((unsigned char *) data + sizeof(RIL_OEMHookHeader));
ril_oem_hook_svc_session_stop();
memset(&svc_end_data, 0, sizeof(svc_end_data));
svc_end_data.mode = svc_end_mode->mode;
ipc_gen_phone_res_expect_to_complete(ril_request_get_id(token), IPC_SVC_END);
ipc_fmt_send(IPC_SVC_END, IPC_TYPE_SET, (unsigned char *) &svc_end_data, sizeof(svc_end_data), ril_request_get_id(token));
break;
case RIL_OEM_COMMAND_SVC_KEY:
if (svc_length < (int) (sizeof(RIL_OEMHookHeader) + sizeof(RIL_OEMHookSvcKey)))
goto error;
svc_key = (RIL_OEMHookSvcKey *) ((unsigned char *) data + sizeof(RIL_OEMHookHeader));
if (svc_key->query) {
if (ril_data.oem_hook_svc_session == NULL)
goto error;
if (ril_data.oem_hook_svc_session->display_screen != NULL && ril_data.oem_hook_svc_session->display_screen_length > 0)
ril_request_complete(token, RIL_E_SUCCESS, ril_data.oem_hook_svc_session->display_screen, ril_data.oem_hook_svc_session->display_screen_length);
else
goto error;
} else {
if (ril_data.oem_hook_svc_session == NULL)
goto error;
memset(&svc_pro_keycode_data, 0, sizeof(svc_pro_keycode_data));
svc_pro_keycode_data.key = svc_key->key;
ipc_gen_phone_res_expect_to_func(ril_request_get_id(token), IPC_SVC_PRO_KEYCODE, ipc_svc_callback);
ipc_fmt_send(IPC_SVC_PRO_KEYCODE, IPC_TYPE_SET, (unsigned char *) &svc_pro_keycode_data, sizeof(svc_pro_keycode_data), ril_request_get_id(token));
}
break;
}
return;
error:
ril_request_complete(token, RIL_E_GENERIC_FAILURE, NULL, 0);
}
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