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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1998-1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <port_before.h>
#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
static int getservent_r_not_required = 0;
#else
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/param.h>
#include <port_after.h>
#ifdef SERV_R_RETURN
static SERV_R_RETURN
copy_servent(struct servent *, struct servent *, SERV_R_COPY_ARGS);
SERV_R_RETURN
getservbyname_r(const char *name, const char *proto,
struct servent *sptr, SERV_R_ARGS) {
struct servent *se = getservbyname(name, proto);
#ifdef SERV_R_SETANSWER
int n = 0;
if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
*answerp = NULL;
else
*answerp = sptr;
return (n);
#else
if (se == NULL)
return (SERV_R_BAD);
return (copy_servent(se, sptr, SERV_R_COPY));
#endif
}
SERV_R_RETURN
getservbyport_r(int port, const char *proto,
struct servent *sptr, SERV_R_ARGS) {
struct servent *se = getservbyport(port, proto);
#ifdef SERV_R_SETANSWER
int n = 0;
if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
*answerp = NULL;
else
*answerp = sptr;
return (n);
#else
if (se == NULL)
return (SERV_R_BAD);
return (copy_servent(se, sptr, SERV_R_COPY));
#endif
}
/*%
* These assume a single context is in operation per thread.
* If this is not the case we will need to call irs directly
* rather than through the base functions.
*/
SERV_R_RETURN
getservent_r(struct servent *sptr, SERV_R_ARGS) {
struct servent *se = getservent();
#ifdef SERV_R_SETANSWER
int n = 0;
if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
*answerp = NULL;
else
*answerp = sptr;
return (n);
#else
if (se == NULL)
return (SERV_R_BAD);
return (copy_servent(se, sptr, SERV_R_COPY));
#endif
}
SERV_R_SET_RETURN
#ifdef SERV_R_ENT_ARGS
setservent_r(int stay_open, SERV_R_ENT_ARGS)
#else
setservent_r(int stay_open)
#endif
{
#ifdef SERV_R_ENT_UNUSED
SERV_R_ENT_UNUSED;
#endif
setservent(stay_open);
#ifdef SERV_R_SET_RESULT
return (SERV_R_SET_RESULT);
#endif
}
SERV_R_END_RETURN
#ifdef SERV_R_ENT_ARGS
endservent_r(SERV_R_ENT_ARGS)
#else
endservent_r()
#endif
{
#ifdef SERV_R_ENT_UNUSED
SERV_R_ENT_UNUSED;
#endif
endservent();
SERV_R_END_RESULT(SERV_R_OK);
}
/* Private */
#ifndef SERVENT_DATA
static SERV_R_RETURN
copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
char *cp;
int i, n;
int numptr, len;
/* Find out the amount of space required to store the answer. */
numptr = 1; /*%< NULL ptr */
len = (char *)ALIGN(buf) - buf;
for (i = 0; se->s_aliases[i]; i++, numptr++) {
len += strlen(se->s_aliases[i]) + 1;
}
len += strlen(se->s_name) + 1;
len += strlen(se->s_proto) + 1;
len += numptr * sizeof(char*);
if (len > (int)buflen) {
errno = ERANGE;
return (SERV_R_BAD);
}
/* copy port value */
sptr->s_port = se->s_port;
cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
/* copy official name */
n = strlen(se->s_name) + 1;
strcpy(cp, se->s_name);
sptr->s_name = cp;
cp += n;
/* copy aliases */
sptr->s_aliases = (char **)ALIGN(buf);
for (i = 0 ; se->s_aliases[i]; i++) {
n = strlen(se->s_aliases[i]) + 1;
strcpy(cp, se->s_aliases[i]);
sptr->s_aliases[i] = cp;
cp += n;
}
sptr->s_aliases[i] = NULL;
/* copy proto */
n = strlen(se->s_proto) + 1;
strcpy(cp, se->s_proto);
sptr->s_proto = cp;
cp += n;
return (SERV_R_OK);
}
#else /* !SERVENT_DATA */
static int
copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
char *cp, *eob;
int i, n;
/* copy port value */
sptr->s_port = se->s_port;
/* copy official name */
cp = sdptr->line;
eob = sdptr->line + sizeof(sdptr->line);
if ((n = strlen(se->s_name) + 1) < (eob - cp)) {
strcpy(cp, se->s_name);
sptr->s_name = cp;
cp += n;
} else {
return (-1);
}
/* copy aliases */
i = 0;
sptr->s_aliases = sdptr->serv_aliases;
while (se->s_aliases[i] && i < (_MAXALIASES-1)) {
if ((n = strlen(se->s_aliases[i]) + 1) < (eob - cp)) {
strcpy(cp, se->s_aliases[i]);
sptr->s_aliases[i] = cp;
cp += n;
} else {
break;
}
i++;
}
sptr->s_aliases[i] = NULL;
/* copy proto */
if ((n = strlen(se->s_proto) + 1) < (eob - cp)) {
strcpy(cp, se->s_proto);
sptr->s_proto = cp;
cp += n;
} else {
return (-1);
}
return (SERV_R_OK);
}
#endif /* !SERVENT_DATA */
#else /*SERV_R_RETURN */
static int getservent_r_unknown_system = 0;
#endif /*SERV_R_RETURN */
#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
/*! \file */
|
