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
96
97
|
/*
* Copyright (C) 1999-2008 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: nsshutdown.c,v $ $Revision: 1.5 $ $Date: 2008/10/01 14:02:10 $ CERN IT-PDP/DM Jean-Philippe Baud";
#endif /* not lint */
/* nsshutdown - shutdown the name server */
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#if defined(_WIN32)
#include <winsock2.h>
#else
#include <netinet/in.h>
#endif
#include "Cns_api.h"
#include "Cns.h"
#include "marshall.h"
#include "serrno.h"
extern char *optarg;
extern int optind;
main(argc, argv)
int argc;
char **argv;
{
int c;
int errflg = 0;
int force = 0;
gid_t gid;
int msglen;
char *q;
char *sbp;
static char retryenv[16];
char sendbuf[REQBUFSZ];
char *server = NULL;
uid_t uid;
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
fprintf (stderr, NS053);
exit (USERR);
}
#endif
while ((c = getopt (argc, argv, "fh:")) != EOF) {
switch (c) {
case 'f':
force++;
break;
case 'h':
server = optarg;
break;
case '?':
errflg++;
break;
default:
break;
}
}
if (optind < argc || server == NULL) {
errflg++;
}
if (errflg) {
fprintf (stderr, "usage: %s [-f] -h server\n", argv[0]);
exit (USERR);
}
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC);
marshall_LONG (sbp, CNS_SHUTDOWN);
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_WORD (sbp, force);
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
sprintf (retryenv, "%s=0", CNS_CONRETRY_ENV);
putenv (retryenv);
if (send2nsd (NULL, server, sendbuf, msglen, NULL, 0) < 0) {
fprintf (stderr, "nsshutdown: %s\n", sstrerror(serrno));
exit (USERR);
}
exit (0);
}
|
