2020-09-08 10:21:39 +08:00
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/*
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2021-03-11 18:43:57 +08:00
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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2020-09-08 10:21:39 +08:00
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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 "los_process_pri.h"
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#ifdef LOSCFG_SHELL
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#include "shcmd.h"
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#include "shmsg.h"
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#endif
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#include "sys/utsname.h"
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2021-03-11 18:43:57 +08:00
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#include "sys/reboot.h"
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2020-09-08 10:21:39 +08:00
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#include "user_copy.h"
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#include "los_strncpy_from_user.h"
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#include "capability_type.h"
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#include "capability_api.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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int SysUname(struct utsname *name)
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{
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int ret;
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struct utsname tmpName;
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ret = LOS_ArchCopyFromUser(&tmpName, name, sizeof(struct utsname));
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if (ret != 0) {
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return -EFAULT;
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}
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ret = uname(&tmpName);
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if (ret < 0) {
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return ret;
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}
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ret = LOS_ArchCopyToUser(name, &tmpName, sizeof(struct utsname));
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if (ret != 0) {
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return -EFAULT;
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}
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return ret;
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}
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2021-03-11 18:43:57 +08:00
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int SysReboot(int magic, int magic2, int type)
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{
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(void)magic;
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(void)magic2;
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if (!IsCapPermit(CAP_REBOOT)) {
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return -EPERM;
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}
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SystemRebootFunc rebootHook = OsGetRebootHook();
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if ((type == RB_AUTOBOOT) && (rebootHook != NULL)) {
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rebootHook();
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return 0;
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}
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return -EFAULT;
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}
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2020-09-08 10:21:39 +08:00
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#ifdef LOSCFG_SHELL
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int SysShellExec(const char *msgName, const char *cmdString)
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{
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int ret;
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unsigned int uintRet;
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errno_t err;
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CmdParsed cmdParsed;
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char msgNameDup[CMD_KEY_LEN + 1] = { 0 };
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char cmdStringDup[CMD_MAX_LEN + 1] = { 0 };
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if (!IsCapPermit(CAP_SHELL_EXEC)) {
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return -EPERM;
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}
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ret = LOS_StrncpyFromUser(msgNameDup, msgName, CMD_KEY_LEN + 1);
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if (ret < 0) {
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return -EFAULT;
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} else if (ret > CMD_KEY_LEN) {
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return -ENAMETOOLONG;
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}
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ret = LOS_StrncpyFromUser(cmdStringDup, cmdString, CMD_MAX_LEN + 1);
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if (ret < 0) {
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return -EFAULT;
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} else if (ret > CMD_MAX_LEN) {
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return -ENAMETOOLONG;
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}
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err = memset_s(&cmdParsed, sizeof(CmdParsed), 0, sizeof(CmdParsed));
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if (err != EOK) {
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return -EFAULT;
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}
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uintRet = ShellMsgTypeGet(&cmdParsed, msgNameDup);
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if (uintRet != LOS_OK) {
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PRINTK("%s:command not found\n", msgNameDup);
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return -EFAULT;
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} else {
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(void)OsCmdExec(&cmdParsed, (char *)cmdStringDup);
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}
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return 0;
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}
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#endif
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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