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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (c) 1996
* Bill Paul <wpaul@ctr.columbia.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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR CONTRIBUTORS 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/fcntl.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <db.h>
#include <unistd.h>
struct dom_binding {};
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/ypupdate_prot.h>
#include "ypxfr_extern.h"
#include "ypupdated_extern.h"
static int yp_domake(map, domain)
char *map;
char *domain;
{
int pid;
switch((pid = fork())) {
case 0:
execlp(MAP_UPDATE_PATH, MAP_UPDATE, map, domain, NULL);
yp_error("couldn't exec map update process: %s",
strerror(errno));
exit(1);
break;
case -1:
yp_error("fork() failed: %s", strerror(errno));
return(YPERR_YPERR);
break;
default:
children++;
break;
}
return(0);
}
int ypmap_update(netname, map, op, keylen, keyval, datlen, datval)
char *netname;
char *map;
unsigned int op;
unsigned int keylen;
char *keyval;
unsigned int datlen;
char *datval;
{
DB *dbp;
DBT key = { NULL, 0 }, data = { NULL, 0 };
char *yp_last = "YP_LAST_MODIFIED";
char yplastbuf[YPMAXRECORD];
char *domptr;
int rval = 0;
if ((domptr = strchr(netname, '@')) == NULL)
return(ERR_ACCESS);
domptr++;
dbp = yp_open_db_rw(domptr, map, O_RDWR);
if (dbp == NULL)
return(ERR_DBASE);
key.data = keyval;
key.size = keylen;
data.data = datval;
data.size = datlen;
switch(op) {
case YPOP_DELETE: /* delete this entry */
rval = yp_del_record(dbp, &key);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_INSERT: /* add, do not change */
rval = yp_put_record(dbp, &key, &data, 0);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_STORE: /* add, or change */
rval = yp_put_record(dbp, &key, &data, 1);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_CHANGE: /* change, do not add */
if (yp_get_record(domptr, map, &key, &data, 0) != YP_TRUE) {
rval = ERR_KEY;
break;
}
rval = yp_put_record(dbp, &key, &data, 1);
if (rval == YP_TRUE)
rval = 0;
break;
default:
yp_error("unknown update command: (%d)", op);
}
if (rval) {
(void)(dbp->close)(dbp);
return(rval);
}
snprintf(yplastbuf, sizeof(yplastbuf), "%lu", time(NULL));
key.data = yp_last;
key.size = strlen(yp_last);
data.data = (char *)&yplastbuf;
data.size = strlen(yplastbuf);
if (yp_put_record(dbp, &key, &data, 1) != YP_TRUE) {
yp_error("failed to update timestamp in %s/%s", domptr, map);
(void)(dbp->close)(dbp);
return(ERR_DBASE);
}
(void)(dbp->close)(dbp);
return(yp_domake(map, domptr));
}
|
