Attachment 315736 Details for Bug 459756 – Test program

Test program

addrtest.c (text/plain), 3.37 KB, created by Denys Vlasenko on 2008-09-04 11:02:10 UTC

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Creator: Denys Vlasenko

Created: 2008-09-04 11:02:10 UTC

Size: 3.37 KB

patch

obsolete

>/* Copyright Â© 2007  Roger Leigh <rleigh@debian.org>
> *
> * addrtest 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 2 of the License, or
> * (at your option) any later version.
> *
> * addrtest 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.
> *
> * You should have received a copy of the GNU General Public License
> * along with this program; if not, write to the Free Software
> * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> * MA  02111-1307  USA
> *
> *********************************************************************/
>
>#define _GNU_SOURCE
>#include <errno.h>
>#include <string.h>
>#include <stdio.h>
>#include <stdlib.h>
>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <netdb.h>
>
>#include <arpa/inet.h>
>#include <netinet/in.h>
>
>void
>fail (const char *msg)
>{
>  fprintf(stderr, "E: %s: %s\n", msg, strerror(errno));
>  exit(EXIT_FAILURE);
>}
>
>void
>gaifail (const char *msg, int code)
>{
>  fprintf(stderr, "E: %s: %s\n", msg, gai_strerror(code));
>  exit(EXIT_FAILURE);
>}
>
>int
>main (void)
>{
>  int status;
>  struct addrinfo hints;
>  hints.ai_flags = AI_ADDRCONFIG;
>  hints.ai_family = AF_UNSPEC;
>  hints.ai_socktype = 0;
>  hints.ai_protocol = 0;
>
>  struct addrinfo *result = NULL;
>//  if((status = getaddrinfo("ip6-localhost", "119", &hints, &result)) != 0)
>//  if((status = getaddrinfo("localhost", "119", &hints, &result)) != 0)
>//  if((status = getaddrinfo("localhost6", "119", &hints, &result)) != 0)
>  if((status = getaddrinfo("google.com", "119", &hints, &result)) != 0)
>    gaifail("Failed to get addrinfo", status);
>
>  {
>    struct addrinfo *cur = result;
>    while (cur->ai_next)
>      {
>	// Dump addrinfo
>	printf("\nAddrinfo for %p\n", (void *) cur);
>	printf("Flags:\t\t%d\n", cur->ai_flags);
>	printf("Family:\t\t%d\n", cur->ai_family);
>	printf("Socket Type:\t%d\n", cur->ai_socktype);
>
>	struct protoent *protocol = getprotobynumber(cur->ai_protocol);
>	if (protocol)
>	  printf("Protocol:\t%d (%s)\n", cur->ai_protocol, protocol->p_name);
>	else
>	  printf("Protocol:\t%d (Unknown)\n", cur->ai_protocol);
>
>	printf("Canonical name:\t%s\n", cur->ai_canonname);
>
>
>	if (cur->ai_addr)
>	  {
>	    printf("Socket Address (len=%d):\n", cur->ai_addrlen);
>
>	    switch(cur->ai_family)
>	      {
>	      case AF_INET:
>		{
>		  struct sockaddr_in *addr = (struct sockaddr_in *)cur->ai_addr;
>		  printf("  Port:\t\t%d\n", ntohs(addr->sin_port));
>		  char paddr[INET_ADDRSTRLEN];
>		  if (inet_ntop(AF_INET, &addr->sin_addr, &paddr[0], cur->ai_addrlen) == NULL)
>		    fail("Converting IPv4 address to readable form");
>		  else
>		    printf("  IPv4 Address:\t%s\n", &paddr[0]);
>		}
>		break;
>	      case AF_INET6:
>		{
>		  struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)cur->ai_addr;
>		  printf("  Port:\t\t%d\n", ntohs(addr6->sin6_port));
>		  char paddr[INET6_ADDRSTRLEN];
>		  if (inet_ntop(AF_INET6, &addr6->sin6_addr, &paddr[0], cur->ai_addrlen) == NULL)
>		    fail("Converting IPv6 address to readable form");
>		  else
>		    printf("  IPv6 Address:\t%s\n", &paddr[0]);
>		}
>		break;
>	      default:
>		printf("  Unknown address family\n");
>		break;
>	      }
>
>	  }
>	cur = cur->ai_next;
>      }
>  }
>
>  freeaddrinfo(result);
>
>  return 0;
>}

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Attachments on bug 459756: 315304 | 315305 | 315374 | 315375 | 315376 | 315377 | 315378 | 315555 | 315735 | 315736 | 325068 | 325069 | 325070 | 325071 | 325104 | 327953