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
|
/*
* Copyright (c) 2017 Balabit
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "compat/getent-generic.h"
#ifndef SYSLOG_NG_HAVE_GETPROTOBYNUMBER_R
#include <glib.h>
#include <errno.h>
G_LOCK_DEFINE_STATIC(getproto);
/* this code does not support proto aliases, as we wouldn't be using
* them anyway. Should we ever want to support it, we would need to
* suballocate @buf and store all of the aliases in the same character
* array.
*/
static void
_extract_protoent_fields(struct protoent *dst, struct protoent *src, char *buf, size_t buflen)
{
g_strlcpy(buf, src->p_name, buflen);
dst->p_name = buf;
dst->p_aliases = NULL;
dst->p_proto = src->p_proto;
}
int
_compat_generic__getprotobynumber_r(int proto,
struct protoent *result_buf, char *buf,
size_t buflen, struct protoent **result)
{
struct protoent *pe;
G_LOCK(getproto);
pe = getprotobynumber(proto);
if (pe)
{
_extract_protoent_fields(result_buf, pe, buf, buflen);
*result = result_buf;
errno = 0;
}
G_UNLOCK(getproto);
return errno;
}
int
_compat_generic__getprotobyname_r(const char *name,
struct protoent *result_buf, char *buf,
size_t buflen, struct protoent **result)
{
struct protoent *pe;
G_LOCK(getproto);
pe = getprotobyname(name);
if (pe)
{
_extract_protoent_fields(result_buf, pe, buf, buflen);
*result = result_buf;
errno = 0;
}
G_UNLOCK(getproto);
return errno;
}
G_LOCK_DEFINE_STATIC(getserv);
/* this code does not support service aliases or using the s_proto field, as
* we wouldn't be using them anyway. Should we ever want to support it, we
* would need to suballocate @buf and store all of the aliases in the same
* character array.
*/
static void
_extract_servent_fields(struct servent *dst, struct servent *src, char *buf, size_t buflen)
{
g_strlcpy(buf, src->s_name, buflen);
dst->s_name = buf;
dst->s_aliases = NULL;
dst->s_port = src->s_port;
/* we don't support s_proto */
dst->s_proto = NULL;
}
int
_compat_generic__getservbyport_r(int port, const char *proto,
struct servent *result_buf, char *buf,
size_t buflen, struct servent **result)
{
struct servent *se;
G_LOCK(getserv);
se = getservbyport(port, proto);
if (se)
{
_extract_servent_fields(result_buf, se, buf, buflen);
*result = result_buf;
errno = 0;
}
G_UNLOCK(getserv);
return errno;
}
int
_compat_generic__getservbyname_r(const char *name, const char *proto,
struct servent *result_buf, char *buf,
size_t buflen, struct servent **result)
{
struct servent *se;
G_LOCK(getserv);
se = getservbyname(name, proto);
if (se)
{
_extract_servent_fields(result_buf, se, buf, buflen);
*result = result_buf;
errno = 0;
}
G_UNLOCK(getserv);
return errno;
}
#endif
|
