1 /* $OpenBSD: main.c,v 1.12 2022/12/28 21:30:19 jmc Exp $ */
2 /* $NetBSD: main.c,v 1.3 2002/07/09 10:34:16 tron Exp $ */
3
4 /*
5 * Copyright (c) 1999 Alistair G. Crooks. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote
16 * products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <err.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <unistd.h>
36
37 #include "usermgmt.h"
38
39 enum {
40 MaxCmdWords = 2
41 };
42
43 /* this struct describes a command */
44 typedef struct cmd_t {
45 int c_wc; /* word count */
46 const char *c_word[MaxCmdWords]; /* command words */
47 int (*c_func)(int, char **); /* called function */
48 } cmd_t;
49
50 /* dispatch table for commands */
51 static cmd_t cmds[] = {
52 { 1, { "useradd", NULL }, useradd },
53 { 2, { "user", "add" }, useradd },
54 { 1, { "usermod", NULL }, usermod },
55 { 2, { "user", "mod" }, usermod },
56 { 1, { "userdel", NULL }, userdel },
57 { 2, { "user", "del" }, userdel },
58 { 1, { "userinfo", NULL }, userinfo },
59 { 2, { "user", "info" }, userinfo },
60 { 1, { "groupadd", NULL }, groupadd },
61 { 2, { "group", "add" }, groupadd },
62 { 1, { "groupmod", NULL }, groupmod },
63 { 2, { "group", "mod" }, groupmod },
64 { 1, { "groupdel", NULL }, groupdel },
65 { 2, { "group", "del" }, groupdel },
66 { 1, { "groupinfo", NULL }, groupinfo },
67 { 2, { "group", "info" }, groupinfo },
68 { 0 }
69 };
70
71 extern char *__progname;
72
73 int
main(int argc,char ** argv)74 main(int argc, char **argv)
75 {
76 cmd_t *cmdp;
77 int matched;
78 int i;
79
80 for (cmdp = cmds ; cmdp->c_wc > 0 ; cmdp++) {
81 for (matched = i = 0 ; i < cmdp->c_wc && i < MaxCmdWords ; i++) {
82 if (argc > i) {
83 if (strcmp((i == 0) ? __progname : argv[i],
84 cmdp->c_word[i]) == 0) {
85 matched += 1;
86 } else
87 break;
88 }
89 }
90 if (matched == cmdp->c_wc && cmdp->c_func != NULL)
91 return (*cmdp->c_func)(argc - (matched - 1),
92 argv + (matched - 1));
93 }
94 usermgmt_usage(__progname);
95 }
96