1 /* Copyright (C) 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <bits/libc-lock.h>
24 #include <netinet/in.h>
30 /* Hesiod uses a format for service entries that differs from the
31 traditional format. We therefore declare our own parser. */
33 #define ENTNAME servent
35 #define ENTDATA servent_data
36 struct servent_data {};
38 #define TRAILING_LIST_MEMBER s_aliases
39 #define TRAILING_LIST_SEPARATOR_P isspace
40 #include <nss/nss_files/files-parse.c>
41 #define ISSEMICOLON(c) ((c) == ';')
45 STRING_FIELD (result->s_name, ISSEMICOLON, 1);
46 STRING_FIELD (result->s_proto, ISSEMICOLON, 1);
47 INT_FIELD (result->s_port, ISSEMICOLON, 10, 0, htons);
51 /* Locks the static variables in this file. */
52 __libc_lock_define_initialized (static, lock);
54 static void *context = NULL;
56 static enum nss_status
57 internal_setservent (void)
61 if (hesiod_init (&context) == -1)
62 return NSS_STATUS_UNAVAIL;
65 return NSS_STATUS_SUCCESS;
69 _nss_hesiod_setservent (void)
71 enum nss_status status;
73 __libc_lock_lock (lock);
75 status = internal_setservent ();
77 __libc_lock_unlock (lock);
83 _nss_hesiod_endservent (void)
85 __libc_lock_lock (lock);
93 __libc_lock_unlock (lock);
95 return NSS_STATUS_SUCCESS;
98 static enum nss_status
99 lookup (const char *name, const char *protocol, struct servent *serv,
100 char *buffer, size_t buflen)
102 enum nss_status status;
103 struct parser_data *data = (void *) buffer;
109 status = internal_setservent ();
110 if (status != NSS_STATUS_SUCCESS)
113 list = hesiod_resolve (context, name, "service");
115 return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL;
117 linebuflen = buffer + buflen - data->linebuffer;
123 if (linebuflen < strlen (*item) + 1)
125 hesiod_free_list (context, list);
126 __set_errno (ERANGE);
127 return NSS_STATUS_TRYAGAIN;
130 strcpy (data->linebuffer, *item);
132 parse_res = parse_line (buffer, serv, data, buflen);
135 hesiod_free_list (context, list);
136 return NSS_STATUS_TRYAGAIN;
140 found = protocol == NULL || strcmp (serv->s_proto, protocol) == 0;
144 while (*item != NULL && !found);
146 hesiod_free_list (context, list);
148 return found ? NSS_STATUS_SUCCESS : NSS_STATUS_NOTFOUND;
152 _nss_hesiod_getservbyname_r (const char *name, const char *protocol,
153 struct servent *serv,
154 char *buffer, size_t buflen)
156 enum nss_status status;
158 __libc_lock_lock (lock);
160 status = lookup (name, protocol, serv, buffer, buflen);
162 __libc_lock_unlock (lock);