IABSD.fr/src/usr.sbin/user/main.c

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• Author : jsg
  Date : 2016-11-29 03:59:31
  Hash : 7a3d14ec
  Message : Alistair Crooks rescinded the advertising clause of his user(8) license in 2005 in NetBSD. https://mail-index.netbsd.org/source-changes/2005/11/25/0002.html

• usr.sbin/user/main.c

• /* $OpenBSD: main.c,v 1.11 2016/11/29 03:59:31 jsg Exp $ */
  /* $NetBSD: main.c,v 1.3 2002/07/09 10:34:16 tron Exp $ */
  
  /*
   * Copyright (c) 1999 Alistair G. Crooks.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote
   *    products derived from this software without specific prior written
   *    permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
   * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  #include <err.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  
  #include "usermgmt.h"
  
  enum {
  	MaxCmdWords = 2
  };
  
  /* this struct describes a command */
  typedef struct cmd_t {
  	int		c_wc;				/* word count */
  	const char	*c_word[MaxCmdWords];		/* command words */
  	int		(*c_func)(int, char **);	/* called function */
  } cmd_t;
  
  /* despatch table for commands */
  static cmd_t	cmds[] = {
  	{	1,	{ "useradd",	NULL },		useradd		},
  	{	2,	{ "user",	"add" },	useradd		},
  	{	1,	{ "usermod",	NULL },		usermod		},
  	{	2,	{ "user",	"mod" },	usermod		},
  	{	1,	{ "userdel",	NULL },		userdel		},
  	{	2,	{ "user",	"del" },	userdel		},
  	{	1,	{ "userinfo",	NULL },		userinfo	},
  	{	2,	{ "user",	"info" },	userinfo	},
  	{	1,	{ "groupadd",	NULL },		groupadd	},
  	{	2,	{ "group",	"add" },	groupadd	},
  	{	1,	{ "groupmod",	NULL },		groupmod	},
  	{	2,	{ "group",	"mod" },	groupmod	},
  	{	1,	{ "groupdel",	NULL },		groupdel	},
  	{	2,	{ "group",	"del" },	groupdel	},
  	{	1,	{ "groupinfo",	NULL },		groupinfo	},
  	{	2,	{ "group",	"info" },	groupinfo	},
  	{	0	}
  };
  
  extern char	*__progname;
  
  int
  main(int argc, char **argv)
  {
  	cmd_t	*cmdp;
  	int	matched;
  	int	i;
  
  	for (cmdp = cmds ; cmdp->c_wc > 0 ; cmdp++) {
  		for (matched = i = 0 ; i < cmdp->c_wc && i < MaxCmdWords ; i++) {
  			if (argc > i) {
  				if (strcmp((i == 0) ? __progname : argv[i],
  				    cmdp->c_word[i]) == 0) {
  					matched += 1;
  				} else
  					break;
  			}
  		}
  		if (matched == cmdp->c_wc && cmdp->c_func != NULL)
  			return (*cmdp->c_func)(argc - (matched - 1),
  			    argv + (matched - 1));
  	}
  	usermgmt_usage(__progname);
  }