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866 lines
23 KiB
C
866 lines
23 KiB
C
/******************************************************************************
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* biso.c
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*
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* Copyright (c) 2020, longpanda <admin@ventoy.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "biso.h"
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#include "biso_list.h"
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#include "biso_util.h"
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#include "biso_9660.h"
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#include "biso_eltorito.h"
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#include "biso_rockridge.h"
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#include "biso_joliet.h"
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#include "biso_dump.h"
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CONST STATIC CHAR *g_aszErrMsg[] =
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{
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"Success", /* BISO_SUCCESS */
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"General failed", /* BISO_ERR_FAILED */
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"Null pointer", /* BISO_ERR_NULL_PTR */
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"Failed to alloc memory", /* BISO_ERR_ALLOC_MEM */
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"Failed to open file", /* BISO_ERR_OPEN_FILE */
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"Failed to read file", /* BISO_ERR_READ_FILE */
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"Failed to write file", /* BISO_ERR_WRITE_FILE */
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"Invalid iso-9660 format", /* BISO_ERR_INVALID_ISO9660 */
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"Unsupported block size", /* BISO_ERR_UNSUPPORTED_BLKSIZE */
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"Invalid parameter", /* BISO_ERR_INVALID_PARAM */
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"Not found", /* BISO_ERR_NOT_FOUND */
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"Not record in iso file", /* BISO_ERR_NOT_RECORD */
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"Handle is not initialized", /* BISO_ERR_HANDLE_UNINITIALIZED */
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};
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int g_biso_debug = 0;
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VOID BISO_SetDebug(int debug)
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{
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g_biso_debug = debug;
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}
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CONST CHAR * BISO_GetErrMsg(IN ULONG ulErrCode)
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{
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if (ulErrCode > BISO_ERR_BASE)
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{
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ulErrCode -= BISO_ERR_BASE;
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}
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if (ulErrCode > ARRAY_SIZE(g_aszErrMsg))
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{
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return NULL;
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}
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return g_aszErrMsg[ulErrCode];
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}
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VOID BISO_GetNow(OUT BISO_DATE_S *pstTM)
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{
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INT iTimeZone;
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INT iLocalHour;
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INT iGMTHour;
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time_t ulTime;
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struct tm *pstLocalTM = NULL;
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struct tm *pstGMTM = NULL;
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if (NULL == pstTM)
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{
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return;
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}
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time(&ulTime);
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pstGMTM = gmtime(&ulTime);
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iGMTHour = pstGMTM->tm_hour;
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pstLocalTM = localtime(&ulTime);
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iLocalHour = pstLocalTM->tm_hour;
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iTimeZone = iLocalHour - iGMTHour;
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if (iTimeZone < -12)
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{
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iTimeZone += 24;
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}
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else if (iTimeZone > 12)
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{
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iTimeZone -= 24;
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}
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pstTM->usYear = pstLocalTM->tm_year + 1900;
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pstTM->ucMonth = pstLocalTM->tm_mon + 1;
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pstTM->ucDay = pstLocalTM->tm_mday;
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pstTM->ucHour = pstLocalTM->tm_hour;
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pstTM->ucMin = pstLocalTM->tm_min;
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pstTM->ucSecond = pstLocalTM->tm_sec;
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pstTM->usMillSec = 0;
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pstTM->cZone = (CHAR)iTimeZone;
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return;
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}
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VOID BISO_TimeConv(IN ULONG ulTime, OUT BISO_DATE_S *pstTM)
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{
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time_t ulTm = ulTime;
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struct tm *pstLocalTM = NULL;
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pstLocalTM = localtime(&ulTm);
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pstTM->usYear = pstLocalTM->tm_year + 1900;
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pstTM->ucMonth = pstLocalTM->tm_mon + 1;
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pstTM->ucDay = pstLocalTM->tm_mday;
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pstTM->ucHour = pstLocalTM->tm_hour;
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pstTM->ucMin = pstLocalTM->tm_min;
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pstTM->ucSecond = pstLocalTM->tm_sec;
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pstTM->usMillSec = 0;
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pstTM->cZone = (CHAR)BISO_UTIL_GetTimeZone();
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return;
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}
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BISO_READ_S * BISO_AllocReadHandle(VOID)
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{
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return (BISO_READ_S *)BISO_9660_CreateParser();
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}
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VOID BISO_FreeReadHandle(INOUT BISO_READ_S *pstRead)
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{
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BISO_9660_DestroyParser((BISO_PARSER_S *)pstRead);
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}
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BOOL_T BISO_IsISOFile(IN CONST CHAR *pcFileName)
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{
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UINT uiReadLen;
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UINT64 ui64FileSize = 0;
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BISO_FILE_S *pstFile = NULL;
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BISO_VD_S stVolDesc;
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/* 先看文件大小，过小的文件不可能是ISO文件 */
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ui64FileSize = BISO_PLAT_GetFileSize(pcFileName);
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if (ui64FileSize < BISO_SYSTEM_AREA_SIZE + sizeof(BISO_PVD_S))
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{
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return BOOL_FALSE;
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}
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/* 打开ISO文件 */
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pstFile = BISO_PLAT_OpenExistFile(pcFileName);
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if (NULL == pstFile)
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{
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return BOOL_FALSE;
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}
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/* 标准规定前16个逻辑扇区用来保存系统数据，VD信息从第17个扇区开始 */
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BISO_PLAT_SeekFile(pstFile, BISO_SYSTEM_AREA_SIZE, SEEK_SET);
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/* 读出VD信息 */
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uiReadLen = (UINT)BISO_PLAT_ReadFile(pstFile, 1, sizeof(stVolDesc), &stVolDesc);
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if (uiReadLen != sizeof(stVolDesc))
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{
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_FALSE;
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}
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/* 根据ID检验是否是合法的ISO-9660格式 */
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if (0 != strncmp(stVolDesc.szId, BISO_VD_ID, strlen(BISO_VD_ID)))
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{
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_FALSE;
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}
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_TRUE;
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}
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BOOL_T BISO_HasSVD(IN CONST BISO_READ_S *pstRead)
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{
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if (((BISO_PARSER_S *)pstRead)->pstSVD)
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{
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return BOOL_TRUE;
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}
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return BOOL_FALSE;
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}
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BOOL_T BISO_IsUDFFile(IN CONST CHAR *pcFileName)
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{
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UINT uiReadLen;
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UINT64 ui64FileSize = 0;
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BISO_FILE_S *pstFile = NULL;
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BISO_VD_S stVolDesc;
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/* 先看文件大小，过小的文件不可能是ISO文件 */
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ui64FileSize = BISO_PLAT_GetFileSize(pcFileName);
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if (ui64FileSize < BISO_SYSTEM_AREA_SIZE + sizeof(BISO_PVD_S))
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{
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return BOOL_FALSE;
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}
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/* 打开ISO文件 */
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pstFile = BISO_PLAT_OpenExistFile(pcFileName);
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if (NULL == pstFile)
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{
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return BOOL_FALSE;
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}
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/* 标准规定前16个逻辑扇区用来保存系统数据，VD信息从第17个扇区开始 */
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BISO_PLAT_SeekFile(pstFile, BISO_SYSTEM_AREA_SIZE, SEEK_SET);
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do
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{
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/* 每次读取1个VD结构 */
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uiReadLen = (UINT)BISO_PLAT_ReadFile(pstFile, 1, sizeof(stVolDesc), &stVolDesc);
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if (uiReadLen != sizeof(stVolDesc))
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{
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_FALSE;
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}
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} while (BISO_VD_TYPE_END != stVolDesc.ucType);
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/* 根据ID检验是否是合法的UDF格式 */
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(VOID)BISO_PLAT_ReadFile(pstFile, 1, sizeof(stVolDesc), &stVolDesc);
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if (0 != strncmp(stVolDesc.szId, "BEA01", strlen("BEA01")))
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{
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_FALSE;
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}
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/* 根据ID检验是否是合法的UDF格式 */
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(VOID)BISO_PLAT_ReadFile(pstFile, 1, sizeof(stVolDesc), &stVolDesc);
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if (0 != strncmp(stVolDesc.szId, "NSR02", strlen("NSR02")) &&
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0 != strncmp(stVolDesc.szId, "NSR03", strlen("NSR03")))
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{
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_FALSE;
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}
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BISO_PLAT_CloseFile(pstFile);
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return BOOL_TRUE;
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}
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ULONG BISO_OpenImage(IN CONST CHAR *pcFileName, OUT BISO_READ_S *pstRead)
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{
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return BISO_9660_OpenImage(BOOL_FALSE, pcFileName, (BISO_PARSER_S *)pstRead);
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}
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ULONG BISO_OpenImageWithSVD(IN CONST CHAR *pcFileName, OUT BISO_READ_S *pstRead)
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{
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return BISO_9660_OpenImage(BOOL_TRUE, pcFileName, (BISO_PARSER_S *)pstRead);
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}
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ULONG BISO_GetVolumeSummary
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(
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IN CONST BISO_READ_S *pstRead,
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OUT BISO_VOLUME_SUMMARY_S *pstSummary
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)
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{
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BISO_PVD_S *pstPVD = NULL;
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BISO_PARSER_S *pstParser = NULL;
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if (NULL == pstRead || NULL == pstSummary)
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{
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return BISO_ERR_NULL_PTR;
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}
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if (BOOL_TRUE != BISO_IS_READ_HANDLE_VALID(pstRead))
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{
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return BISO_ERR_INVALID_PARAM;
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}
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pstParser = (BISO_PARSER_S *)pstRead;
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pstPVD = pstParser->pstPVD;
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/* 拷贝字符串 */
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BISO_UTIL_CopyStr(pstPVD->szVolumeId, sizeof(pstPVD->szVolumeId), pstSummary->szVolumeId);
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BISO_UTIL_CopyStr(pstPVD->szSystemId, sizeof(pstPVD->szSystemId), pstSummary->szSystemId);
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BISO_UTIL_CopyStr(pstPVD->szPublisherId, sizeof(pstPVD->szPublisherId), pstSummary->szPublisherId);
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BISO_UTIL_CopyStr(pstPVD->szPreparerId, sizeof(pstPVD->szPreparerId), pstSummary->szPreparerId);
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BISO_UTIL_CopyStr(pstPVD->szApplicationId, sizeof(pstPVD->szApplicationId), pstSummary->szApplicationId);
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BISO_UTIL_CopyStr(pstPVD->szCopyrightFileId, sizeof(pstPVD->szCopyrightFileId), pstSummary->szCopyrightFileId);
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BISO_UTIL_CopyStr(pstPVD->szAbstractFileId, sizeof(pstPVD->szAbstractFileId), pstSummary->szAbstractFileId);
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/* 其他字段赋值 */
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pstSummary->uiRockRidgeVer = pstParser->ucRRIPVersion;
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pstSummary->uiJolietLevel = BISO_GetJolietLevel(pstRead);
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pstSummary->uiTotDirNum = pstParser->stDirTree.pstDirStat->uiTotDirNum;
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pstSummary->uiTotFileNum = pstParser->stDirTree.pstDirStat->uiTotFileNum;
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pstSummary->uiTotLinkNum = pstParser->stDirTree.pstDirStat->uiTotLinkNum;
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return BISO_SUCCESS;
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}
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ULONG BISO_GetDate
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(
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IN CONST BISO_READ_S *pstRead,
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IN BISO_DATE_TYPE_E enType,
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OUT BISO_DATE_S *pstDate
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)
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{
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CONST CHAR *pcDate = NULL;
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BISO_PVD_S *pstPVD = NULL;
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if ((NULL == pstRead) || (enType >= BISO_DATE_TYPE_BUTT) || (NULL == pstDate))
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{
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BISO_DIAG("Invalid param %p %d %p.", pstRead, enType, pstDate);
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return BISO_ERR_INVALID_PARAM;
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}
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BISO_CHECK_READ_HANDLE(pstRead);
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pstPVD = ((BISO_PARSER_S *)pstRead)->pstPVD;
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switch (enType)
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{
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case BISO_DATE_TYPE_CREATE:
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{
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pcDate = pstPVD->szCreationDate;
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break;
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}
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case BISO_DATE_TYPE_MODIFY:
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{
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pcDate = pstPVD->szModifyDate;
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break;
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}
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case BISO_DATE_TYPE_EXPIRATION:
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{
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pcDate = pstPVD->szExpirationDate;
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break;
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}
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case BISO_DATE_TYPE_EFFECTIVE:
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{
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pcDate = pstPVD->szEffectiveDate;
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break;
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}
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default :
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{
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return BISO_ERR_INVALID_PARAM;
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}
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}
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return BISO_9660_ParseDate84261(pcDate, pstDate);
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}
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/* 获取Rock Ridge扩展的Version 0: 没有使用Rock Ridge扩展 具体版本号: 一般都是1 */
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UINT BISO_GetRockRidgeVer(IN CONST BISO_READ_S *pstRead)
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{
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if ((NULL == pstRead) || (BOOL_TRUE != BISO_IS_READ_HANDLE_VALID(pstRead)))
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{
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return 0;
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}
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return ((BISO_PARSER_S *)pstRead)->ucRRIPVersion;
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}
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/* 获取Joliet扩展的Level */
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UINT BISO_GetJolietLevel(IN CONST BISO_READ_S *pstRead)
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{
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BISO_PARSER_S *pstParser = NULL;
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if ((NULL == pstRead) || (BOOL_TRUE != BISO_IS_READ_HANDLE_VALID(pstRead)))
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{
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return 0;
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}
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pstParser = (BISO_PARSER_S *)pstRead;
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if (NULL == pstParser->pstSVD)
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{
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return 0;
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}
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return BISO_JOLIET_GetLevel(pstParser->pstSVD->aucEscape);
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}
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BISO_HANDLE BISO_GetRoot(IN CONST BISO_READ_S *pstRead)
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{
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BISO_PARSER_S *pstParser = (BISO_PARSER_S *)pstRead;
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if (NULL == pstParser)
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{
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return NULL;
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}
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return (BISO_HANDLE)(&pstParser->stDirTree);
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}
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ULONG BISO_GetFileNodeByHdl
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(
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IN BISO_HANDLE hFileHdl,
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OUT BISO_FILE_NODE_S *pstFileNode
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)
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{
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BISO_POSIX_INFO_S *pstPosix = NULL;
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BISO_DIR_TREE_S *pstDirTree = (BISO_DIR_TREE_S *)hFileHdl;
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if ((NULL == pstDirTree) || (NULL == pstFileNode))
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{
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return BISO_ERR_NULL_PTR;
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}
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pstPosix = pstDirTree->pstPosixInfo;
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/* 设置类型 */
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BISO_SET_FLAG(pstFileNode, pstDirTree);
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/* 设置名称 */
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scnprintf(pstFileNode->szName, sizeof(pstFileNode->szName), "%s", pstDirTree->szName);
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/* 设置连接路径 */
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if (BOOL_TRUE == BISO_DIR_TREE_IS_SYMLINK(pstDirTree))
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{
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scnprintf(pstFileNode->szLinkTgt, sizeof(pstFileNode->szLinkTgt), "%s", pstPosix->pcLinkSrc);
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}
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pstFileNode->ui64FileSize = pstDirTree->uiSize;
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pstFileNode->ui64Seek = (UINT64)((UINT64)pstDirTree->uiExtent * BISO_BLOCK_SIZE);
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pstFileNode->hParent = (BISO_HANDLE)(pstDirTree->pstParent);
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pstFileNode->hCurrent = hFileHdl;
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return BISO_SUCCESS;
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}
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ULONG BISO_GetFileNodeByName
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(
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IN CONST BISO_READ_S *pstRead,
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IN CONST CHAR *pcFullPath,
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IN UCHAR ucFollowLink,
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OUT BISO_FILE_NODE_S *pstFileNode
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)
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{
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UINT i = 0;
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UINT uiDirNum = 0;
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UINT auiDirPos[32];
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USHORT usPos = 0;
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USHORT usLen = 0;
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CHAR szDirName[1024];
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BISO_DIR_TREE_S *pstCurDir = NULL;
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BISO_DIR_TREE_S *pstRootDir = NULL;
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BISO_DIR_TREE_S *pstFileList = NULL;
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BISO_PARSER_S *pstParser = (BISO_PARSER_S *)pstRead;
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if ((NULL == pstRead) || (NULL == pcFullPath) || (NULL == pstFileNode))
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{
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return BISO_ERR_NULL_PTR;
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}
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if ('/' == pcFullPath[0])
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{
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return BISO_ERR_FAILED;
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}
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pstRootDir = &(pstParser->stDirTree);
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pstCurDir = pstRootDir->pstChild;
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if ((0 == pcFullPath[0]) || ((1 == strlen(pcFullPath)) && ('/' == pcFullPath[0])))
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{
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/* 出参赋值 */
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memset(pstFileNode, 0, sizeof(BISO_FILE_NODE_S));
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BISO_SET_FLAG(pstFileNode, pstCurDir);
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scnprintf(pstFileNode->szName, sizeof(pstFileNode->szName), "%s", pstCurDir->szName);
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pstFileNode->hParent = 0;
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pstFileNode->hCurrent = (BISO_HANDLE)(pstRootDir);
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return BISO_SUCCESS;
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}
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if ((1 == uiDirNum) && (NULL != pstRootDir))
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{
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pstFileList = pstRootDir->pstFileList;
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pstCurDir = pstFileList;
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while (pstCurDir)
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{
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if (0 == BISO_PATH_STRCMP(pstCurDir->szName, pcFullPath))
|
||
{
|
||
goto FOUND;
|
||
}
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
}
|
||
|
||
/* 先将目录分解开 */
|
||
if (BISO_SUCCESS != BISO_UTIL_PathSplit(pcFullPath, &uiDirNum, auiDirPos))
|
||
{
|
||
BISO_DIAG("Failed to split path %s", pcFullPath);
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
|
||
/* 依次查找每一级目录 */
|
||
if (pstRootDir)
|
||
{
|
||
pstCurDir = pstRootDir->pstChild;
|
||
}
|
||
for (i = 0; (i < uiDirNum) && (NULL != pstRootDir) && (NULL != pstCurDir); i++)
|
||
{
|
||
usPos = auiDirPos[i] >> 16;
|
||
usLen = auiDirPos[i] & 0xFF;
|
||
|
||
memcpy(szDirName, pcFullPath + usPos, usLen);
|
||
szDirName[usLen] = 0;
|
||
|
||
pstCurDir = pstRootDir->pstChild;
|
||
pstFileList = pstRootDir->pstFileList;
|
||
|
||
/* 先查找目录 */
|
||
while (pstCurDir)
|
||
{
|
||
if (0 == BISO_PATH_STRCMP(pstCurDir->szName, szDirName))
|
||
{
|
||
pstRootDir = pstCurDir;
|
||
break;
|
||
}
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
|
||
/* 再查找文件 */
|
||
if (NULL == pstCurDir)
|
||
{
|
||
pstCurDir = pstFileList;
|
||
while (pstCurDir)
|
||
{
|
||
if (0 == BISO_PATH_STRCMP(pstCurDir->szName, szDirName))
|
||
{
|
||
break;
|
||
}
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
}
|
||
|
||
if (NULL == pstCurDir)
|
||
{
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
|
||
/* 如果是符号链接则尝试找对应的实际文件 */
|
||
if ((ucFollowLink > 0) && (BOOL_TRUE == BISO_DIR_TREE_IS_SYMLINK(pstCurDir)))
|
||
{
|
||
pstCurDir = BISO_UTIL_FindLinkTgt(pstCurDir);
|
||
}
|
||
|
||
/* 如果是文件(或者是非法链接)的话一定是最后一级 */
|
||
if ((NULL == pstCurDir->pstDirStat) && (i + 1 != uiDirNum))
|
||
{
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
}
|
||
|
||
FOUND:
|
||
|
||
if (NULL == pstCurDir)
|
||
{
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
else
|
||
{
|
||
/* 出参赋值 */
|
||
memset(pstFileNode, 0, sizeof(BISO_FILE_NODE_S));
|
||
BISO_SET_FLAG(pstFileNode, pstCurDir);
|
||
scnprintf(pstFileNode->szName, sizeof(pstFileNode->szName), "%s", pstCurDir->szName);
|
||
if (BOOL_TRUE == BISO_DIR_TREE_IS_SYMLINK(pstCurDir))
|
||
{
|
||
scnprintf(pstFileNode->szLinkTgt, sizeof(pstFileNode->szLinkTgt), "%s",
|
||
pstCurDir->pstPosixInfo->pcLinkSrc);
|
||
}
|
||
pstFileNode->ui64FileSize = pstCurDir->uiSize;
|
||
pstFileNode->ui64DirRecOffet = pstCurDir->ui64FileRecordOffset;
|
||
pstFileNode->ui64Seek = (UINT64)((UINT64)pstCurDir->uiExtent * BISO_BLOCK_SIZE);
|
||
pstFileNode->hParent = (BISO_HANDLE)(pstCurDir->pstParent);
|
||
pstFileNode->hCurrent = (BISO_HANDLE)(pstCurDir);
|
||
return BISO_SUCCESS;
|
||
}
|
||
}
|
||
|
||
ULONG BISO_GetFileNodeByExtent
|
||
(
|
||
IN CONST BISO_READ_S *pstRead,
|
||
IN UINT uiExtent,
|
||
OUT BISO_FILE_NODE_S *pstFileNode
|
||
)
|
||
{
|
||
BOOL_T bFind = BOOL_FALSE;
|
||
BISO_QUEUE_S *pstQueue = NULL;
|
||
BISO_DIR_TREE_S *pstRootDir = NULL;
|
||
BISO_DIR_TREE_S *pstDirTree = NULL;
|
||
BISO_DIR_TREE_S *pstCurDir = NULL;
|
||
BISO_DIR_TREE_S *pstFileList = NULL;
|
||
BISO_PARSER_S *pstParser = (BISO_PARSER_S *)pstRead;
|
||
|
||
if ((NULL == pstRead) || (NULL == pstFileNode))
|
||
{
|
||
return BISO_ERR_NULL_PTR;
|
||
}
|
||
|
||
pstRootDir = &(pstParser->stDirTree);
|
||
|
||
/* 创建堆栈,同时ROOT入栈 */
|
||
pstQueue = BISO_QUEUE_Create();
|
||
BISO_QUEUE_Push(pstQueue, pstRootDir);
|
||
|
||
while (NULL != (pstDirTree = (BISO_DIR_TREE_S *)BISO_QUEUE_PopHead(pstQueue)))
|
||
{
|
||
pstCurDir = pstDirTree->pstChild;
|
||
while (pstCurDir)
|
||
{
|
||
BISO_QUEUE_Push(pstQueue, pstCurDir);
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
|
||
pstFileList = pstDirTree->pstFileList;
|
||
pstCurDir = pstFileList;
|
||
while (pstCurDir)
|
||
{
|
||
if (uiExtent == pstCurDir->uiExtent)
|
||
{
|
||
while (BISO_QUEUE_PopHead(pstQueue))
|
||
{
|
||
bFind = BOOL_TRUE;
|
||
}
|
||
break;
|
||
}
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
}
|
||
|
||
BISO_QUEUE_Destroy(pstQueue);
|
||
if (BOOL_TRUE != bFind)
|
||
{
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
else
|
||
{
|
||
/* 出参赋值 */
|
||
memset(pstFileNode, 0, sizeof(BISO_FILE_NODE_S));
|
||
BISO_SET_FLAG(pstFileNode, pstCurDir);
|
||
scnprintf(pstFileNode->szName, sizeof(pstFileNode->szName), "%s", pstCurDir->szName);
|
||
if (BOOL_TRUE == BISO_DIR_TREE_IS_SYMLINK(pstCurDir))
|
||
{
|
||
scnprintf(pstFileNode->szLinkTgt, sizeof(pstFileNode->szLinkTgt), "%s",
|
||
pstCurDir->pstPosixInfo->pcLinkSrc);
|
||
}
|
||
pstFileNode->ui64FileSize = pstCurDir->uiSize;
|
||
pstFileNode->ui64DirRecOffet = pstCurDir->ui64FileRecordOffset;
|
||
pstFileNode->ui64Seek = (UINT64)((UINT64)pstCurDir->uiExtent * BISO_BLOCK_SIZE);
|
||
pstFileNode->hParent = (BISO_HANDLE)(pstCurDir->pstParent);
|
||
pstFileNode->hCurrent = (BISO_HANDLE)(pstCurDir);
|
||
return BISO_SUCCESS;
|
||
}
|
||
}
|
||
|
||
|
||
ULONG BISO_GetSVDFileNodeByExtent
|
||
(
|
||
IN CONST BISO_READ_S *pstRead,
|
||
IN UINT uiExtent,
|
||
OUT BISO_SVD_FILE_NODE_S *pstFileNode
|
||
)
|
||
{
|
||
BOOL_T bFind = BOOL_FALSE;
|
||
BISO_QUEUE_S *pstQueue = NULL;
|
||
BISO_SVD_DIR_TREE_S *pstRootDir = NULL;
|
||
BISO_SVD_DIR_TREE_S *pstDirTree = NULL;
|
||
BISO_SVD_DIR_TREE_S *pstCurDir = NULL;
|
||
BISO_SVD_DIR_TREE_S *pstFileList = NULL;
|
||
BISO_PARSER_S *pstParser = (BISO_PARSER_S *)pstRead;
|
||
|
||
if ((NULL == pstRead) || (NULL == pstFileNode))
|
||
{
|
||
return BISO_ERR_NULL_PTR;
|
||
}
|
||
|
||
pstRootDir = &(pstParser->stSVDDirTree);
|
||
|
||
/* 创建堆栈,同时ROOT入栈 */
|
||
pstQueue = BISO_QUEUE_Create();
|
||
BISO_QUEUE_Push(pstQueue, pstRootDir);
|
||
|
||
while (NULL != (pstDirTree = (BISO_SVD_DIR_TREE_S *)BISO_QUEUE_PopHead(pstQueue)))
|
||
{
|
||
pstCurDir = pstDirTree->pstChild;
|
||
while (pstCurDir)
|
||
{
|
||
BISO_QUEUE_Push(pstQueue, pstCurDir);
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
|
||
pstFileList = pstDirTree->pstFileList;
|
||
pstCurDir = pstFileList;
|
||
while (pstCurDir)
|
||
{
|
||
if (uiExtent == pstCurDir->uiExtent)
|
||
{
|
||
while (BISO_QUEUE_PopHead(pstQueue))
|
||
{
|
||
bFind = BOOL_TRUE;
|
||
}
|
||
break;
|
||
}
|
||
pstCurDir = pstCurDir->pstNext;
|
||
}
|
||
}
|
||
|
||
BISO_QUEUE_Destroy(pstQueue);
|
||
if (BOOL_TRUE != bFind)
|
||
{
|
||
return BISO_ERR_FAILED;
|
||
}
|
||
else
|
||
{
|
||
/* 出参赋值 */
|
||
memset(pstFileNode, 0, sizeof(BISO_SVD_FILE_NODE_S));
|
||
pstFileNode->ui64FileSize = pstCurDir->uiSize;
|
||
pstFileNode->ui64DirRecOffet = pstCurDir->ui64FileRecordOffset;
|
||
pstFileNode->ui64Seek = (UINT64)((UINT64)pstCurDir->uiExtent * BISO_BLOCK_SIZE);
|
||
return BISO_SUCCESS;
|
||
}
|
||
}
|
||
|
||
ULONG BISO_GetFileTree
|
||
(
|
||
IN BISO_HANDLE hTopDir,
|
||
IN UINT uiFlag,
|
||
OUT BISO_HANDLE *phFileTree,
|
||
OUT UINT *puiNodeNum
|
||
)
|
||
{
|
||
BISO_DIR_STAT_S *pstDirStat = NULL;
|
||
BISO_DIR_TREE_S *pstCurNode = NULL;
|
||
BISO_DIR_TREE_S *pstDirTree = (BISO_DIR_TREE_S *)hTopDir;
|
||
|
||
if ((NULL == pstDirTree) || (NULL == phFileTree) || (NULL == puiNodeNum))
|
||
{
|
||
return BISO_ERR_NULL_PTR;
|
||
}
|
||
|
||
pstDirStat = pstDirTree->pstDirStat;
|
||
if (NULL == pstDirStat)
|
||
{
|
||
return BISO_ERR_INVALID_PARAM;
|
||
}
|
||
|
||
*puiNodeNum = pstDirStat->uiCurDirNum + pstDirStat->uiCurFileNum + pstDirStat->uiCurLinkNum;
|
||
|
||
switch (uiFlag)
|
||
{
|
||
case BISO_TREE_FLAG_CUR:
|
||
{
|
||
pstCurNode = pstDirTree->pstChild;
|
||
|
||
while (NULL != pstCurNode)
|
||
{
|
||
*phFileTree++ = (BISO_HANDLE)pstCurNode;
|
||
pstCurNode = pstCurNode->pstNext;
|
||
}
|
||
|
||
pstCurNode = pstDirTree->pstFileList;
|
||
while (NULL != pstCurNode)
|
||
{
|
||
*phFileTree++ = (BISO_HANDLE)pstCurNode;
|
||
pstCurNode = pstCurNode->pstNext;
|
||
}
|
||
|
||
break;
|
||
}
|
||
case BISO_TREE_FLAG_DFS:
|
||
{
|
||
break;
|
||
}
|
||
case BISO_TREE_FLAG_BFS:
|
||
{
|
||
break;
|
||
}
|
||
default :
|
||
{
|
||
return BISO_ERR_INVALID_PARAM;
|
||
}
|
||
}
|
||
|
||
return BISO_SUCCESS;
|
||
}
|
||
|
||
ULONG BISO_GetDirStat
|
||
(
|
||
IN BISO_HANDLE hTopDir,
|
||
OUT BISO_DIR_STAT_S *pstDirStat
|
||
)
|
||
{
|
||
BISO_DIR_TREE_S *pstDirTree = NULL;
|
||
|
||
if ((NULL == hTopDir) || (NULL == pstDirStat))
|
||
{
|
||
return BISO_ERR_NULL_PTR;
|
||
}
|
||
|
||
pstDirTree = (BISO_DIR_TREE_S *)hTopDir;
|
||
if (NULL == pstDirTree->pstDirStat)
|
||
{
|
||
return BISO_ERR_INVALID_PARAM;
|
||
}
|
||
|
||
memcpy(pstDirStat, pstDirTree->pstDirStat, sizeof(BISO_DIR_STAT_S));
|
||
return BISO_SUCCESS;
|
||
}
|
||
|
||
|
||
VOID BISO_Fill733(IN UINT uiData, OUT VOID *pBuf)
|
||
{
|
||
UINT uiSwap = 0;
|
||
UINT *puiData = (UINT *)pBuf;
|
||
|
||
uiSwap |= (uiData & 0xFF) << 24;
|
||
uiSwap |= ((uiData >> 8) & 0xFF) << 16;
|
||
uiSwap |= ((uiData >> 16) & 0xFF) << 8;
|
||
uiSwap |= (uiData >> 24) & 0xFF;
|
||
|
||
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
|
||
puiData[0] = uiData;
|
||
puiData[1] = uiSwap;
|
||
#else
|
||
puiData[0] = uiSwap;
|
||
puiData[1] = uiData;
|
||
#endif
|
||
}
|
||
|
||
UINT BISO_Get733(IN CONST VOID *pBuf)
|
||
{
|
||
UINT *puiData = (UINT *)pBuf;
|
||
|
||
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
|
||
return puiData[0];
|
||
#else
|
||
return puiData[1];
|
||
#endif
|
||
}
|
||
|
||
UINT BISO_GetFileOccupySize(IN UINT uiRawSize)
|
||
{
|
||
UINT uiAlign = uiRawSize % BISO_SECTOR_SIZE;
|
||
|
||
if (0 == uiAlign)
|
||
{
|
||
return uiRawSize;
|
||
}
|
||
else
|
||
{
|
||
return uiRawSize + BISO_SECTOR_SIZE - uiAlign;
|
||
}
|
||
}
|
||
|
||
UINT BISO_GetBootEntryNum(IN CONST BISO_READ_S *pstRead)
|
||
{
|
||
return BISO_ELTORITO_GetBootEntryNum((CONST BISO_PARSER_S *)pstRead);
|
||
}
|
||
|
||
VOID BISO_DumpFileTree(IN CONST BISO_READ_S *pstRead)
|
||
{
|
||
BISO_PARSER_S *pstParser = (BISO_PARSER_S *)pstRead;
|
||
|
||
if (NULL != pstParser)
|
||
{
|
||
BISO_DUMP_ShowFileTree(1, pstParser->stDirTree.pstChild);
|
||
BISO_DUMP_ShowFileTree(1, pstParser->stDirTree.pstFileList);
|
||
}
|
||
}
|
||
|