1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* $OpenBSD: main.c,v 1.12 2022/12/28 21:30:19 jmc 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;
/* dispatch 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);
}
|