Abhishekmishra2808 commented on code in PR #19767: URL: https://github.com/apache/nuttx/pull/19767#discussion_r3760533397
########## sched/group/group_setgroups.c: ########## @@ -0,0 +1,114 @@ +/**************************************************************************** + * sched/group/group_setgroups.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <unistd.h> +#include <string.h> +#include <assert.h> +#include <errno.h> + +#include <sched/sched.h> + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: setgroups + * + * Description: + * setgroups() sets the supplementary group IDs for the calling process. + * Only a process with an effective user ID of 0 may change the list. + * + * Input Parameters: + * size - Number of group IDs in list (0 to clear). + * list - Array of supplementary group IDs, or NULL when size is 0. + * + * Returned Value: + * Zero on success; -1 on failure with errno set. + * + ****************************************************************************/ + +int setgroups(int size, FAR const gid_t *list) +{ + FAR struct tcb_s *rtcb; + FAR struct task_group_s *rgroup; + int i; + + if (size < 0 +#if CONFIG_SCHED_NGROUPS > 0 + || size > CONFIG_SCHED_NGROUPS +#else + || size > 0 +#endif + ) + { + set_errno(EINVAL); + return ERROR; + } + + if (size > 0 && list == NULL) + { + set_errno(EFAULT); + return ERROR; + } + + rtcb = this_task(); + rgroup = rtcb->group; + DEBUGASSERT(rgroup != NULL); + + /* Only root (effective UID 0) may install a new supplementary set. */ + + if (rgroup->tg_euid != 0) + { + set_errno(EPERM); + return ERROR; + } + +#if CONFIG_SCHED_NGROUPS > 0 + for (i = 0; i < size; i++) + { + if ((uint16_t)list[i] > INT16_MAX) Review Comment: matches existing UID/GID APIs -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
