/*
This file is part of GNUnet.
- Copyright (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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
- General Public License for more details.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdio.h>
FILE *p;
char *cmd;
char line[128];
+ int ret;
if (AF_INET6 == af)
{
if (-1 == asprintf (&cmd,
"%s -t AAAA -u %s\n",
- "gnunet-gns -r", name))
+ "gnunet-gns -r",
+ name))
return -1;
}
else
{
if (-1 == asprintf (&cmd,
"%s %s\n",
- "gnunet-gns -r -u", name))
+ "gnunet-gns -r -u",
+ name))
return -1;
}
if (NULL == (p = popen (cmd, "r")))
free (cmd);
return -1;
}
- while (NULL != fgets (line, sizeof(line), p))
+ while (NULL != fgets (line,
+ sizeof(line),
+ p))
{
if (u->count >= MAX_ENTRIES)
break;
line[strlen(line)-1] = '\0';
if (AF_INET == af)
{
- if (inet_pton(af, line, &(u->data.ipv4[u->count])))
+ if (inet_pton(af,
+ line,
+ &u->data.ipv4[u->count]))
{
u->count++;
u->data_len += sizeof(ipv4_address_t);
}
else if (AF_INET6 == af)
{
- if (inet_pton(af, line, &(u->data.ipv6[u->count])))
+ if (inet_pton(af,
+ line,
+ &u->data.ipv6[u->count]))
{
u->count++;
u->data_len += sizeof(ipv6_address_t);
}
}
}
- pclose (p);
+ ret = pclose (p);
free (cmd);
+ if (4 == ret)
+ return -2; /* not for GNS */
+ if (3 == ret)
+ return -3; /* timeout -> not found */
+ if ( (2 == ret) || (1 == ret) )
+ return -2; /* launch failure -> service unavailable */
return 0;
}
+
/* end of nss_gns_query.c */