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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* warmstart.c
* Allows for gathering of registrations from an earlier dumped file.
*
* Copyright (c) 1990 by Sun Microsystems, Inc.
*/
/*
* #ident "@(#)warmstart.c 1.7 93/07/05 SMI"
* $FreeBSD$/
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <rpc/rpc.h>
#include <rpc/rpcb_prot.h>
#include <rpc/xdr.h>
#ifdef PORTMAP
#include <netinet/in.h>
#include <rpc/pmap_prot.h>
#endif
#include <syslog.h>
#include <unistd.h>
#include "rpcbind.h"
/*
* XXX this code is unsafe and is not used. It should be made safe.
*/
/* These files keep the pmap_list and rpcb_list in XDR format */
#define RPCBFILE "/tmp/rpcbind.file"
#ifdef PORTMAP
#define PMAPFILE "/tmp/portmap.file"
#endif
static bool_t write_struct __P((char *, xdrproc_t, void *));
static bool_t read_struct __P((char *, xdrproc_t, void *));
static bool_t
write_struct(char *filename, xdrproc_t structproc, void *list)
{
FILE *fp;
XDR xdrs;
mode_t omask;
omask = umask(077);
fp = fopen(filename, "w");
if (fp == NULL) {
int i;
for (i = 0; i < 10; i++)
close(i);
fp = fopen(filename, "w");
if (fp == NULL) {
syslog(LOG_ERR,
"cannot open file = %s for writing", filename);
syslog(LOG_ERR, "cannot save any registration");
return (FALSE);
}
}
(void) umask(omask);
xdrstdio_create(&xdrs, fp, XDR_ENCODE);
if (structproc(&xdrs, list) == FALSE) {
syslog(LOG_ERR, "rpcbind: xdr_%s: failed", filename);
fclose(fp);
return (FALSE);
}
XDR_DESTROY(&xdrs);
fclose(fp);
return (TRUE);
}
static bool_t
read_struct(char *filename, xdrproc_t structproc, void *list)
{
FILE *fp;
XDR xdrs;
struct stat sbuf;
if (stat(filename, &sbuf) != 0) {
fprintf(stderr,
"rpcbind: cannot stat file = %s for reading\n", filename);
goto error;
}
if ((sbuf.st_uid != 0) || (sbuf.st_mode & S_IRWXG) ||
(sbuf.st_mode & S_IRWXO)) {
fprintf(stderr,
"rpcbind: invalid permissions on file = %s for reading\n",
filename);
goto error;
}
fp = fopen(filename, "r");
if (fp == NULL) {
fprintf(stderr,
"rpcbind: cannot open file = %s for reading\n", filename);
goto error;
}
xdrstdio_create(&xdrs, fp, XDR_DECODE);
if (structproc(&xdrs, list) == FALSE) {
fprintf(stderr, "rpcbind: xdr_%s: failed\n", filename);
fclose(fp);
goto error;
}
XDR_DESTROY(&xdrs);
fclose(fp);
return (TRUE);
error: fprintf(stderr, "rpcbind: will start from scratch\n");
return (FALSE);
}
void
write_warmstart()
{
(void) write_struct(RPCBFILE, (xdrproc_t)xdr_rpcblist_ptr, &list_rbl);
#ifdef PORTMAP
(void) write_struct(PMAPFILE, (xdrproc_t)xdr_pmaplist_ptr, &list_pml);
#endif
}
void
read_warmstart()
{
rpcblist_ptr tmp_rpcbl = NULL;
#ifdef PORTMAP
struct pmaplist *tmp_pmapl = NULL;
#endif
int ok1, ok2 = TRUE;
ok1 = read_struct(RPCBFILE, (xdrproc_t)xdr_rpcblist_ptr, &tmp_rpcbl);
if (ok1 == FALSE)
return;
#ifdef PORTMAP
ok2 = read_struct(PMAPFILE, (xdrproc_t)xdr_pmaplist_ptr, &tmp_pmapl);
#endif
if (ok2 == FALSE) {
xdr_free((xdrproc_t) xdr_rpcblist_ptr, (char *)&tmp_rpcbl);
return;
}
xdr_free((xdrproc_t) xdr_rpcblist_ptr, (char *)&list_rbl);
list_rbl = tmp_rpcbl;
#ifdef PORTMAP
xdr_free((xdrproc_t) xdr_pmaplist_ptr, (char *)&list_pml);
list_pml = tmp_pmapl;
#endif
}
|
