588 lines
13 KiB
C
588 lines
13 KiB
C
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "errno.h"
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#include "unistd.h"
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#include "limits.h"
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#include "utime.h"
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#include "time.h"
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#include "user_copy.h"
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#include "sys/times.h"
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#include "los_signal.h"
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#include "los_memory.h"
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#include "los_strncpy_from_user.h"
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#ifdef LOSCFG_FS_VFS
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int SysUtime(const char *path, const struct utimbuf *ptimes)
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{
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int ret;
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char *spath = NULL;
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struct utimbuf sptimes;
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if (path == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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spath = LOS_MemAlloc(m_aucSysMem0, PATH_MAX + 1);
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if (spath == NULL) {
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errno = ENOMEM;
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return -ENOMEM;
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}
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ret = LOS_StrncpyFromUser(spath, path, PATH_MAX + 1);
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if (ret == -EFAULT) {
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LOS_MemFree(m_aucSysMem0, spath);
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return ret;
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} else if (ret > PATH_MAX) {
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LOS_MemFree(m_aucSysMem0, spath);
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PRINT_ERR("%s[%d], path exceeds maxlen: %d\n", __FUNCTION__, __LINE__, PATH_MAX);
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return -ENAMETOOLONG;
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}
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spath[ret] = '\0';
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if (ptimes && LOS_ArchCopyFromUser(&sptimes, ptimes, sizeof(struct utimbuf))) {
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LOS_MemFree(m_aucSysMem0, spath);
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errno = EFAULT;
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return -EFAULT;
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}
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ret = utime(spath, ptimes ? &sptimes : NULL);
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if (ret < 0) {
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ret = -get_errno();
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}
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LOS_MemFree(m_aucSysMem0, spath);
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return ret;
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}
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#endif
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time_t SysTime(time_t *tloc)
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{
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int ret;
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time_t stloc;
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ret = time(tloc ? &stloc : NULL);
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if (ret < 0) {
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return -get_errno();
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}
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if (tloc && LOS_ArchCopyToUser(tloc, &stloc, sizeof(time_t))) {
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errno = EFAULT;
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ret = -EFAULT;
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}
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return ret;
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}
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int SysSetiTimer(int which, const struct itimerval *value, struct itimerval *ovalue)
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{
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int ret;
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struct itimerval svalue;
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struct itimerval sovalue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (LOS_ArchCopyFromUser(&svalue, value, sizeof(struct itimerval))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = setitimer(which, &svalue, &sovalue);
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if (ret < 0) {
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return -get_errno();
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}
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if (ovalue && LOS_ArchCopyToUser(ovalue, &sovalue, sizeof(struct itimerval))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysGetiTimer(int which, struct itimerval *value)
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{
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int ret;
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struct itimerval svalue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = getitimer(which, &svalue);
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if (ret < 0) {
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return -get_errno();
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}
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if (LOS_ArchCopyToUser(value, &svalue, sizeof(struct itimerval))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysTimerCreate(clockid_t clockID, struct sigevent *evp, timer_t *timerID)
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{
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int ret;
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timer_t stimerID;
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struct sigevent sevp;
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if (timerID == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (evp && LOS_ArchCopyFromUser(&sevp, evp, sizeof(struct sigevent))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = timer_create(clockID, evp ? &sevp : NULL, &stimerID);
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if (ret < 0) {
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return -get_errno();
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}
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if (LOS_ArchCopyToUser(timerID, &stimerID, sizeof(timer_t))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysTimerGettime(timer_t timerID, struct itimerspec *value)
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{
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int ret;
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struct itimerspec svalue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = timer_gettime(timerID, &svalue);
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if (ret < 0) {
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return -get_errno();
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}
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if (LOS_ArchCopyToUser(value, &svalue, sizeof(struct itimerspec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysTimerSettime(timer_t timerID, int flags, const struct itimerspec *value, struct itimerspec *oldValue)
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{
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int ret;
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struct itimerspec svalue;
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struct itimerspec soldValue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (LOS_ArchCopyFromUser(&svalue, value, sizeof(struct itimerspec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = timer_settime(timerID, flags, &svalue, &soldValue);
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if (ret < 0) {
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return -get_errno();
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}
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if (oldValue && LOS_ArchCopyToUser(oldValue, &soldValue, sizeof(struct itimerspec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysTimerGetoverrun(timer_t timerID)
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{
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int ret;
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ret = timer_getoverrun(timerID);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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int SysTimerDelete(timer_t timerID)
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{
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int ret;
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ret = timer_delete(timerID);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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int SysClockSettime(clockid_t clockID, const struct timespec *tp)
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{
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int ret;
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struct timespec stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (LOS_ArchCopyFromUser(&stp, tp, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = clock_settime(clockID, &stp);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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int SysClockGettime(clockid_t clockID, struct timespec *tp)
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{
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int ret;
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struct timespec stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = clock_gettime(clockID, &stp);
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if (ret < 0) {
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return -get_errno();
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}
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if (LOS_ArchCopyToUser(tp, &stp, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysClockGetres(clockid_t clockID, struct timespec *tp)
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{
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int ret;
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struct timespec stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = clock_getres(clockID, &stp);
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if (ret < 0) {
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return -get_errno();
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}
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if (LOS_ArchCopyToUser(tp, &stp, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysClockNanoSleep(clockid_t clk, int flags, const struct timespec *req, struct timespec *rem)
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{
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int ret;
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struct timespec sreq;
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struct timespec srem = {0};
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if (!req || LOS_ArchCopyFromUser(&sreq, req, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = clock_nanosleep(clk, flags, &sreq, rem ? &srem : NULL);
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if (ret < 0) {
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return -get_errno();
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}
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if (rem && LOS_ArchCopyToUser(rem, &srem, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysNanoSleep(const struct timespec *rqtp, struct timespec *rmtp)
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{
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int ret;
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struct timespec srqtp;
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struct timespec srmtp = {0};
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if (!rqtp || LOS_ArchCopyFromUser(&srqtp, rqtp, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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ret = nanosleep(&srqtp, rmtp ? &srmtp : NULL);
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if (ret < 0) {
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return -get_errno();
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}
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if (rmtp && LOS_ArchCopyToUser(rmtp, &srmtp, sizeof(struct timespec))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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clock_t SysTimes(struct tms *buf)
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{
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clock_t ret;
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struct tms sbuf;
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ret = times(buf ? &sbuf : NULL);
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if (buf && LOS_ArchCopyToUser(buf, &sbuf, sizeof(struct tms))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysClockSettime64(clockid_t clockID, const struct timespec64 *tp)
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{
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int ret;
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struct timespec t;
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struct timespec64 stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (LOS_ArchCopyFromUser(&stp, tp, sizeof(struct timespec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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if (stp.tv_sec > UINT32_MAX) {
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errno = ENOSYS;
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return -ENOSYS;
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}
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t.tv_sec = stp.tv_sec;
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t.tv_nsec = stp.tv_nsec;
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ret = clock_settime(clockID, &t);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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int SysClockGettime64(clockid_t clockID, struct timespec64 *tp)
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{
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int ret;
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struct timespec t;
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struct timespec64 stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = clock_gettime(clockID, &t);
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if (ret < 0) {
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return -get_errno();
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}
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stp.tv_sec = t.tv_sec;
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stp.tv_nsec = t.tv_nsec;
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if (LOS_ArchCopyToUser(tp, &stp, sizeof(struct timespec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysClockGetres64(clockid_t clockID, struct timespec64 *tp)
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{
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int ret;
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struct timespec t;
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struct timespec64 stp;
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if (tp == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = clock_getres(clockID, &t);
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if (ret < 0) {
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return -get_errno();
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}
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stp.tv_sec = t.tv_sec;
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stp.tv_nsec = t.tv_nsec;
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if (LOS_ArchCopyToUser(tp, &stp, sizeof(struct timespec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysClockNanoSleep64(clockid_t clk, int flags, const struct timespec64 *req, struct timespec64 *rem)
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{
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int ret;
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struct timespec rq;
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struct timespec rm = {0};
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struct timespec64 sreq;
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struct timespec64 srem;
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if (!req || LOS_ArchCopyFromUser(&sreq, req, sizeof(struct timespec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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if (req != NULL) {
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rq.tv_sec = (sreq.tv_sec > UINT32_MAX) ? UINT32_MAX : sreq.tv_sec;
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rq.tv_nsec = sreq.tv_nsec;
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}
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ret = clock_nanosleep(clk, flags, &rq, rem ? &rm : NULL);
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if (ret < 0) {
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return -get_errno();
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}
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if (rem != NULL) {
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srem.tv_sec = rm.tv_sec;
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srem.tv_nsec = rm.tv_nsec;
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if (LOS_ArchCopyToUser(rem, &srem, sizeof(struct timespec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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}
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return ret;
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}
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int SysTimerGettime64(timer_t timerID, struct itimerspec64 *value)
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{
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int ret;
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struct itimerspec val;
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struct itimerspec64 svalue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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ret = timer_gettime(timerID, &val);
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if (ret < 0) {
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return -get_errno();
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}
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svalue.it_interval.tv_sec = val.it_interval.tv_sec;
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svalue.it_interval.tv_nsec = val.it_interval.tv_nsec;
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svalue.it_value.tv_sec = val.it_value.tv_sec;
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svalue.it_value.tv_nsec = val.it_value.tv_nsec;
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if (LOS_ArchCopyToUser(value, &svalue, sizeof(struct itimerspec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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return ret;
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}
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int SysTimerSettime64(timer_t timerID, int flags, const struct itimerspec64 *value, struct itimerspec64 *oldValue)
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{
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int ret;
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struct itimerspec val;
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struct itimerspec oldVal;
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struct itimerspec64 svalue;
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struct itimerspec64 soldValue;
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if (value == NULL) {
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errno = EINVAL;
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return -EINVAL;
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}
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if (LOS_ArchCopyFromUser(&svalue, value, sizeof(struct itimerspec64))) {
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errno = EFAULT;
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return -EFAULT;
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}
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if (svalue.it_interval.tv_sec > UINT32_MAX || svalue.it_value.tv_sec > UINT32_MAX) {
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errno = ENOSYS;
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return -ENOSYS;
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}
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val.it_interval.tv_sec = svalue.it_interval.tv_sec;
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val.it_interval.tv_nsec = svalue.it_interval.tv_nsec;
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val.it_value.tv_sec = svalue.it_value.tv_sec;
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val.it_value.tv_nsec = svalue.it_value.tv_nsec;
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ret = timer_settime(timerID, flags, &val, oldValue ? &oldVal : NULL);
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if (ret < 0) {
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return -get_errno();
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}
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if (oldValue != NULL) {
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soldValue.it_interval.tv_sec = oldVal.it_interval.tv_sec;
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soldValue.it_interval.tv_nsec = oldVal.it_interval.tv_nsec;
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soldValue.it_value.tv_sec = oldVal.it_value.tv_sec;
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soldValue.it_value.tv_nsec = oldVal.it_value.tv_nsec;
|
|
|
|
if (LOS_ArchCopyToUser(oldValue, &soldValue, sizeof(struct itimerspec64))) {
|
|
errno = EFAULT;
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|