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
|
/* $OpenBSD: tcfsmng.c,v 1.4 2000/06/19 23:06:25 aaron Exp $ */
/*
* Copyright 2000 Niels Provos <provos@citi.umich.edu>
* 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 <stdio.h>
#include <stdlib.h>
extern int adduser_main(int argc, char **argv);
extern int rmuser_main(int argc, char **argv);
extern int addgroup_main(int argc, char **argv);
extern int rmgroup_main(int argc, char **argv);
struct subprg {
char *name;
int (*function)(int, char **);
};
struct subprg subcmds[] = {
{"adduser", adduser_main},
{"rmuser", rmuser_main},
{"addgroup", addgroup_main},
{"rmgroup", rmgroup_main}
};
void
usage(char *name)
{
int i;
fprintf(stderr, "Usage: %s <subcmd> [arguments]\n", name);
fprintf(stderr, "Possible sub commands:");
for (i = sizeof(subcmds) / sizeof(struct subprg) - 1; i >= 0; i--)
fprintf(stderr, " %s", subcmds[i].name);
fprintf(stderr, "\n");
}
int
main (int argc, char **argv)
{
int i;
if (argc < 2) {
usage(argv[0]);
exit(1);
}
for (i = sizeof(subcmds) / sizeof(struct subprg) - 1; i >= 0; i--) {
if (!strcmp(argv[1], subcmds[i].name))
return (*subcmds[i].function)(argc - 1, argv + 1);
}
fprintf(stderr, "%s: unknown command %s\n\n", argv[0], argv[1]);
usage(argv[0]);
exit(1);
}
|
