forked from Imagelibrary/rtems
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
/*
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* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <rtems/shellconfig.h>
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#include <rtems/stringto.h>
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#include "internal.h"
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static int usage(void)
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{
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puts(rtems_shell_CMDCHMOD_Command.usage);
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return -1;
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}
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static void error(const char *s, int eno)
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{
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printf("%s: %s\n", s, strerror(eno));
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}
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static int rtems_shell_main_cmdchmod(int argc, char **argv)
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{
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if (argc >= 2) {
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unsigned long mode;
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rtems_status_code sc;
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uid_t task_uid;
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int i;
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sc = rtems_string_to_unsigned_long(argv[1], &mode, NULL, 8);
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if (sc != RTEMS_SUCCESSFUL) {
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return usage();
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}
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task_uid = getuid();
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for (i = 2; i < argc; ++i) {
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const char *cmd = argv[i];
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rtems_shell_cmd_t *shell_cmd = rtems_shell_lookup_cmd(cmd);
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if (shell_cmd != NULL) {
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if (task_uid == 0 || task_uid == shell_cmd->uid) {
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shell_cmd->mode = mode
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& (S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
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} else if (rtems_shell_can_see_cmd(shell_cmd)) {
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error(cmd, EACCES);
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} else {
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error(cmd, ENOENT);
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}
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} else {
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error(cmd, ENOENT);
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}
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}
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} else {
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return usage();
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}
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return 0;
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}
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rtems_shell_cmd_t rtems_shell_CMDCHMOD_Command = {
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.name = "cmdchmod",
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.usage = "cmdchmod OCTAL-MODE COMMAND...",
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.topic = "misc",
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.command = rtems_shell_main_cmdchmod
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};
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