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|
/*
* secure storage
*
* Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd All Rights Reserved
*
* Contact: Kidong Kim <kd0228.kim@samsung.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "secure_storage.h"
#include "ss_client_intf.h"
#include "ss_client_ipc.h"
#include "ss_manager.h"
int SsClientDataStoreFromFile(const char* filepath, ssm_flag flag, const char* group_id)
{
ReqData_t* send_data = NULL;
RspData_t recv_data;
int temp_len = 0;
int cookie_size = 20;
// cookie_size = security_server_get_cookie_size();
char cookie_content[20] = {0, };
// if(security_server_request_cookie(cookie_content, cookie_size) < 0) // error while getting cookie
// {
// SLOGE("Fail to get cookie\n");
// recv_data.rsp_type = SS_SECURE_STORAGE_ERROR;
// goto Error;
// }
if(!filepath)
{
SLOGE("Parameter error in SsClientDataStoreFromFile..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
send_data = (ReqData_t*)malloc(sizeof(ReqData_t));
if(!send_data)
{
SLOGE("Memory allocation fail in SsClientDataStoreFromFile..\n");
recv_data.rsp_type = SS_MEMORY_ERROR;
goto Error;
}
send_data->req_type = 1; // file store
send_data->enc_type = 1; // initial type
send_data->count = 0;
send_data->flag = flag; // flag
temp_len = strlen(filepath);
if(temp_len < MAX_FILENAME_LEN)
{
strncpy(send_data->data_infilepath, filepath, MAX_FILENAME_LEN - 1);
send_data->data_infilepath[temp_len] = '\0';
}
else
{
SLOGE("filepath is too long.\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Free_and_Error;
}
memset(send_data->cookie, 0x00, MAX_COOKIE_LEN);
memset(send_data->group_id, 0x00, MAX_GROUP_ID_LEN);
memcpy(send_data->cookie, cookie_content, cookie_size);
if(group_id)
strncpy(send_data->group_id, group_id, MAX_GROUP_ID_LEN - 1);
else
strncpy(send_data->group_id, "NOTUSED", MAX_GROUP_ID_LEN - 1);
memset(send_data->buffer, 0x00, MAX_SEND_DATA_LEN + 1);
recv_data = SsClientComm(send_data);
Free_and_Error:
free(send_data);
Error:
return recv_data.rsp_type;
}
int SsClientDataStoreFromBuffer(char* writebuffer, size_t bufLen, const char* filename, ssm_flag flag, const char* group_id)
{
ReqData_t* send_data = NULL;
RspData_t recv_data;
int temp_len = 0;
int cookie_size = 20;
// cookie_size = security_server_get_cookie_size();
char cookie_content[20] = {0, };
// if(security_server_request_cookie(cookie_content, cookie_size) < 0) // error while getting cookie
// {
// SLOGE("Fail to get cookie\n");
// recv_data.rsp_type = SS_SECURE_STORAGE_ERROR;
// goto Error;
// }
if(!writebuffer || !filename)
{
SLOGE("Parameter error in SsClientDataStoreFromBuffer..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
send_data = (ReqData_t*)malloc(sizeof(ReqData_t));
if(!send_data)
{
SLOGE("Memory allocation fail in SsClientDataStoreFromBuffer..\n");
recv_data.rsp_type = SS_MEMORY_ERROR;
goto Error;
}
send_data->req_type = 2; // buffer store
send_data->enc_type = 1;
send_data->count = bufLen;
send_data->flag = flag;
temp_len = strlen(filename);
if(temp_len < MAX_FILENAME_LEN)
{
strncpy(send_data->data_infilepath, filename, MAX_FILENAME_LEN - 1);
send_data->data_infilepath[temp_len] = '\0';
}
else
{
SLOGE("filepath is too long.\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Free_and_Error;
}
memset(send_data->cookie, 0x00, MAX_COOKIE_LEN);
memset(send_data->group_id, 0x00, MAX_GROUP_ID_LEN);
memcpy(send_data->cookie, cookie_content, cookie_size);
if(group_id)
strncpy(send_data->group_id, group_id, MAX_GROUP_ID_LEN - 1);
else
strncpy(send_data->group_id, "NOTUSED", MAX_GROUP_ID_LEN - 1);
memcpy(send_data->buffer, writebuffer, bufLen);
recv_data = SsClientComm(send_data);
Free_and_Error:
free(send_data);
Error:
return recv_data.rsp_type;
}
int SsClientDataRead(const char* filepath, char* pRetBuf, size_t bufLen, size_t *readLen, ssm_flag flag, const char* group_id)
{
unsigned int count = (unsigned int)(bufLen / MAX_RECV_DATA_LEN + 1);
unsigned int rest = (unsigned int)(bufLen % MAX_RECV_DATA_LEN);
char* buffer;
ReqData_t* send_data = NULL;
RspData_t recv_data;
int temp_len = 0;
int cookie_size = 20;
// cookie_size = security_server_get_cookie_size();
char cookie_content[20] = {0, };
// if(security_server_request_cookie(cookie_content, cookie_size) < 0) // error while getting cookie
// {
// SLOGE("Fail to get cookie\n");
// recv_data.rsp_type = SS_SECURE_STORAGE_ERROR;
// goto Error;
// }
if(!filepath)
{
SLOGE("filepath Parameter error in SsClientDataRead..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
if(!readLen)
{
SLOGE("readLen Parameter error in SsClientDataRead..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
*readLen = 0;
buffer = pRetBuf;
send_data = (ReqData_t*)malloc(sizeof(ReqData_t));
if(!send_data)
{
SLOGE("Memory allocation fail in SsClientDataRead..\n");
recv_data.rsp_type = SS_MEMORY_ERROR;
goto Error;
}
// fill send_data
send_data->req_type = 3; // read data from storage
send_data->enc_type = 1; // initial type
send_data->count = 0;
send_data->flag = flag & 0x000000ff; //flag;
temp_len = strlen(filepath);
if(temp_len < MAX_FILENAME_LEN)
{
strncpy(send_data->data_infilepath, filepath, MAX_FILENAME_LEN - 1);
send_data->data_infilepath[temp_len] = '\0';
}
else
{
SLOGE("filepath is too long.\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Free_and_Error;
}
memset(send_data->cookie, 0x00, MAX_COOKIE_LEN);
memset(send_data->group_id, 0x00, MAX_GROUP_ID_LEN);
memcpy(send_data->cookie, cookie_content, MAX_COOKIE_LEN);
if(group_id)
strncpy(send_data->group_id, group_id, MAX_GROUP_ID_LEN - 1);
else
strncpy(send_data->group_id, "NOTUSED", MAX_GROUP_ID_LEN - 1);
memset(send_data->buffer, 0x00, MAX_SEND_DATA_LEN+1);
// Call Server per 4KB data (count from 0 to ~)
for ( ; send_data->count < count; send_data->count++)
{
//receive data from server
recv_data = SsClientComm(send_data);
// check response type
if(recv_data.rsp_type != 1)
{
SLOGE("data read error from server...\n");
goto Free_and_Error;
}
// copy the last data (last count)
if(send_data->count == (count - 1))
{
memcpy(buffer, recv_data.buffer, rest);
*readLen += (size_t)rest;
goto Last;
//break;
}
memcpy(buffer, recv_data.buffer, MAX_RECV_DATA_LEN);
*readLen += (size_t)recv_data.readLen;
buffer += recv_data.readLen;
}
Last :
if(bufLen != *readLen)
{
SLOGE("Decrypted abnormally\n");
recv_data.rsp_type = SS_DECRYPTION_ERROR;
goto Free_and_Error;
}
SLOGE("Decrypted file name : %s\n", recv_data.data_filepath);
Free_and_Error:
free(send_data);
Error:
return recv_data.rsp_type;
}
int SsClientGetInfo(const char* filepath, ssm_file_info_t* sfi, ssm_flag flag, const char* group_id)
{
ReqData_t* send_data = NULL;
RspData_t recv_data;
ssm_file_info_convert_t sfic;
int temp_len = 0;
int cookie_size = 20;
// cookie_size = security_server_get_cookie_size();
char cookie_content[20] = {0, };
// if(security_server_request_cookie(cookie_content, cookie_size) < 0) // error while getting cookie
// {
// SLOGE("Fail to get cookie\n");
// recv_data.rsp_type = SS_SECURE_STORAGE_ERROR;
// goto Error;
// }
if(!filepath || !sfi)
{
SLOGE("Parameter error in SsClientGetInfo..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
send_data = (ReqData_t*)malloc(sizeof(ReqData_t));
if(!send_data)
{
SLOGE("Memory allocation fail in SsClientGetInfo..\n");
recv_data.rsp_type = SS_MEMORY_ERROR;
goto Error;
}
// fill send_data
send_data->req_type = 4; // get info type
send_data->enc_type = 1; // initial type
send_data->count = 0;
send_data->flag = flag & 0x000000ff; //flag;
temp_len = strlen(filepath);
if(temp_len < MAX_FILENAME_LEN)
{
strncpy(send_data->data_infilepath, filepath, MAX_FILENAME_LEN - 1);
send_data->data_infilepath[temp_len] = '\0';
}
else
{
SLOGE("filepath is too long.\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Free_and_Error;
}
memset(send_data->cookie, 0x00, MAX_COOKIE_LEN);
memset(send_data->group_id, 0x00, MAX_GROUP_ID_LEN);
memcpy(send_data->cookie, cookie_content, cookie_size);
if(group_id)
strncpy(send_data->group_id, group_id, MAX_GROUP_ID_LEN - 1);
else
strncpy(send_data->group_id, "NOTUSED", MAX_GROUP_ID_LEN - 1);
memset(send_data->buffer, 0x00, MAX_SEND_DATA_LEN + 1);
recv_data = SsClientComm(send_data);
memcpy(sfic.fInfoArray, recv_data.buffer, sizeof(ssm_file_info_t));
sfi->originSize = sfic.fInfoStruct.originSize;
sfi->storedSize = sfic.fInfoStruct.storedSize;
memcpy(sfi->reserved, sfic.fInfoStruct.reserved, 8);
Free_and_Error:
free(send_data);
Error:
return recv_data.rsp_type;
}
int SsClientDeleteFile(const char *pFilePath, ssm_flag flag, const char* group_id)
{
ReqData_t* send_data = NULL;
RspData_t recv_data;
int temp_len = 0;
int cookie_size = 20;
// cookie_size = security_server_get_cookie_size();
char cookie_content[20] = {0, };
// if(security_server_request_cookie(cookie_content, cookie_size) < 0) // error while getting cookie
// {
// SLOGE("Fail to get cookie\n");
// recv_data.rsp_type = SS_SECURE_STORAGE_ERROR;
// goto Error;
// }
if(!pFilePath)
{
SLOGE("Parameter error in SsClientDeleteFile..\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Error;
}
send_data = (ReqData_t*)malloc(sizeof(ReqData_t));
if(!send_data)
{
SLOGE("Memory allocation fail in SsClientDeleteFile..\n");
recv_data.rsp_type = SS_MEMORY_ERROR;
goto Error;
}
send_data->req_type = 10; // delete file
send_data->enc_type = 1; // initial type
send_data->count = 0;
send_data->flag = flag; // flag
temp_len = strlen(pFilePath);
if(temp_len < MAX_FILENAME_LEN)
{
strncpy(send_data->data_infilepath, pFilePath, MAX_FILENAME_LEN - 1);
send_data->data_infilepath[temp_len] = '\0';
}
else
{
SLOGE("filepath is too long.\n");
recv_data.rsp_type = SS_PARAM_ERROR;
goto Free_and_Error;
}
memset(send_data->cookie, 0x00, MAX_COOKIE_LEN);
memset(send_data->group_id, 0x00, MAX_GROUP_ID_LEN);
memcpy(send_data->cookie, cookie_content, cookie_size);
if(group_id)
strncpy(send_data->group_id, group_id, MAX_GROUP_ID_LEN - 1);
else
strncpy(send_data->group_id, "NOTUSED", MAX_GROUP_ID_LEN - 1);
memset(send_data->buffer, 0x00, MAX_SEND_DATA_LEN+1);
recv_data = SsClientComm(send_data);
Free_and_Error:
free(send_data);
SLOGE("Deleted file name: %s\n", recv_data.data_filepath);
Error:
return recv_data.rsp_type;
}
|
