2 This file is part of GNUnet.
3 Copyright (C) 2012 GNUnet e.V.
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
23 #include "nss_gns_query.h"
24 #include <arpa/inet.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <netinet/in.h>
31 * Wrapper function that uses gnunet-gns cli tool to resolve
34 * @param af address family
35 * @param name the name to resolve
36 * @param u the userdata (result struct)
37 * @return -1 on error else 0
40 gns_resolve_name (int af,
51 if (-1 == asprintf (&cmd,
53 "gnunet-gns -r", name))
58 if (-1 == asprintf (&cmd,
60 "gnunet-gns -r -u", name))
63 if (NULL == (p = popen (cmd, "r")))
68 while (NULL != fgets (line, sizeof(line), p))
70 if (u->count >= MAX_ENTRIES)
72 if (line[strlen(line)-1] == '\n')
74 line[strlen(line)-1] = '\0';
77 if (inet_pton(af, line, &(u->data.ipv4[u->count])))
80 u->data_len += sizeof(ipv4_address_t);
89 else if (AF_INET6 == af)
91 if (inet_pton(af, line, &(u->data.ipv6[u->count])))
94 u->data_len += sizeof(ipv6_address_t);
108 return -2; /* not for GNS */
110 return -3; /* timeout */
113 /* end of nss_gns_query.c */