100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/* $NetBSD: main.c,v 1.5 2006/10/22 21:16:58 christos Exp $ */
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/*
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* Copyright (c) 1999 Alistair G. Crooks. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* 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 AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "usermgmt.h"
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enum {
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MaxCmdWords = 2
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};
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/* this struct describes a command */
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typedef struct cmd_t {
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int c_wc; /* word count */
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const char *c_word[MaxCmdWords]; /* command words */
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int (*c_func)(int, char **); /* called function */
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} cmd_t;
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/* despatch table for commands */
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static cmd_t cmds[] = {
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{ 1, { "useradd", NULL }, useradd },
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{ 2, { "user", "add" }, useradd },
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{ 1, { "usermod", NULL }, usermod },
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{ 2, { "user", "mod" }, usermod },
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{ 1, { "userdel", NULL }, userdel },
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{ 2, { "user", "del" }, userdel },
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#ifdef EXTENSIONS
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{ 1, { "userinfo", NULL }, userinfo },
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{ 2, { "user", "info" }, userinfo },
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#endif
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{ 1, { "groupadd", NULL }, groupadd },
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{ 2, { "group", "add" }, groupadd },
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{ 1, { "groupmod", NULL }, groupmod },
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{ 2, { "group", "mod" }, groupmod },
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{ 1, { "groupdel", NULL }, groupdel },
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{ 2, { "group", "del" }, groupdel },
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#ifdef EXTENSIONS
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{ 1, { "groupinfo", NULL }, groupinfo },
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{ 2, { "group", "info" }, groupinfo },
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#endif
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{ .c_wc = 0 }
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};
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int
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main(int argc, char **argv)
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{
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cmd_t *cmdp;
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int matched;
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int i;
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for (cmdp = cmds ; cmdp->c_wc > 0 ; cmdp++) {
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for (matched = i = 0 ; i < cmdp->c_wc && i < MaxCmdWords ; i++) {
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if (argc > i) {
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if (strcmp((i == 0) ? getprogname() : argv[i],
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cmdp->c_word[i]) == 0) {
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matched += 1;
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} else {
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break;
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}
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}
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}
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if (matched == cmdp->c_wc) {
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return (*cmdp->c_func)(argc - (matched - 1), argv + (matched - 1));
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}
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}
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usermgmt_usage(getprogname());
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errx(EXIT_FAILURE, "Program `%s' not recognised", getprogname());
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/* NOTREACHED */
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}
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