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/* Test the getaddrinfo module.
Copyright (C) 2006-2025 Free Software Foundation, Inc.
This program 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 of the License, or
(at your option) any later version.
This program 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, see <https://www.gnu.org/licenses/>. */
/* Written by Simon Josefsson. */
#include <config.h>
#include <netdb.h>
#include "signature.h"
SIGNATURE_CHECK (gai_strerror, char const *, (int));
/* On native Windows, these two functions may have the __stdcall calling
convention. But the SIGNATURE_CHECK works only for functions with __cdecl
calling convention. */
#if !(defined _WIN32 && !defined __CYGWIN__)
SIGNATURE_CHECK (freeaddrinfo, void, (struct addrinfo *));
SIGNATURE_CHECK (getaddrinfo, int, (char const *, char const *,
struct addrinfo const *,
struct addrinfo **));
#endif
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include "sockets.h"
/* Whether to print debugging messages. */
#define ENABLE_DEBUGGING 0
#if ENABLE_DEBUGGING
# define dbgprintf printf
#else
# define dbgprintf if (0) printf
#endif
/* BeOS does not have AF_UNSPEC. */
#ifndef AF_UNSPEC
# define AF_UNSPEC 0
#endif
#ifndef EAI_SERVICE
# define EAI_SERVICE 0
#endif
static int
simple (int pass, char const *host, char const *service)
{
char buf[BUFSIZ];
static int skip = 0;
struct addrinfo hints;
struct addrinfo *hints_p;
struct addrinfo *ai0, *ai;
int res;
int err;
/* Once we skipped the test, do not try anything else */
if (skip)
return 0;
dbgprintf ("Finding %s service %s...\n", host, service);
if (pass == 1)
hints_p = NULL;
else
{
memset (&hints, 0, sizeof (hints));
hints.ai_flags = AI_CANONNAME
| (pass == 3 ? AI_NUMERICHOST : 0)
| (pass == 4 ? AI_NUMERICSERV : 0);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints_p = &hints;
}
res = getaddrinfo (host, service, hints_p, &ai0);
err = errno;
dbgprintf ("res %d: %s\n", res, gai_strerror (res));
if ((pass == 3 && ! isdigit (host[0]))
|| (pass == 4 && ! isdigit (service[0])))
{
if (res != EAI_NONAME)
{
fprintf (stderr,
"Test case pass=%d, host=%s, service=%s failed: "
"expected EAI_NONAME, got %d\n",
pass, host, service, res);
return 1;
}
return 0;
}
if (res != 0)
{
/* EAI_AGAIN is returned if no network is available. Don't fail
the test merely because someone is down the country on their
in-law's farm. */
if (res == EAI_AGAIN)
{
skip++;
fprintf (stderr, "skipping getaddrinfo test: no network?\n");
return 77;
}
/* IRIX reports EAI_NONAME for "https". Don't fail the test
merely because of this. */
if (res == EAI_NONAME)
return 0;
/* Solaris reports EAI_SERVICE for "http" and "https". Don't
fail the test merely because of this. */
if (res == EAI_SERVICE)
return 0;
#ifdef EAI_NODATA
/* AIX reports EAI_NODATA for "https". Don't fail the test
merely because of this. */
if (res == EAI_NODATA)
return 0;
#endif
/* Provide details if errno was set. */
if (res == EAI_SYSTEM)
fprintf (stderr, "system error: %s\n", strerror (err));
fprintf (stderr,
"Test case pass=%d, host=%s, service=%s failed: "
"expected 0, got %d\n",
pass, host, service, res);
return 1;
}
for (ai = ai0; ai; ai = ai->ai_next)
{
void *ai_addr = ai->ai_addr;
struct sockaddr_in *sock_addr = ai_addr;
dbgprintf ("\tflags %x\n", ai->ai_flags + 0u);
dbgprintf ("\tfamily %x\n", ai->ai_family + 0u);
dbgprintf ("\tsocktype %x\n", ai->ai_socktype + 0u);
dbgprintf ("\tprotocol %x\n", ai->ai_protocol + 0u);
dbgprintf ("\taddrlen %lu: ", (unsigned long) ai->ai_addrlen);
dbgprintf ("\tFound %s\n",
inet_ntop (ai->ai_family,
&sock_addr->sin_addr,
buf, sizeof (buf) - 1));
if (ai->ai_canonname)
dbgprintf ("\tFound %s...\n", ai->ai_canonname);
{
char ipbuf[BUFSIZ];
char portbuf[BUFSIZ];
res = getnameinfo (ai->ai_addr, ai->ai_addrlen,
ipbuf, sizeof (ipbuf) - 1,
portbuf, sizeof (portbuf) - 1,
NI_NUMERICHOST|NI_NUMERICSERV);
dbgprintf ("\t\tgetnameinfo %d: %s\n", res, gai_strerror (res));
if (res == 0)
{
dbgprintf ("\t\tip %s\n", ipbuf);
dbgprintf ("\t\tport %s\n", portbuf);
}
}
}
freeaddrinfo (ai0);
return 0;
}
#define HOST1 "www.gnu.org"
#define SERV1 "http"
#define HOST2 "www.ibm.com"
#define SERV2 "https"
#define HOST3 "microsoft.com"
#define SERV3 "http"
#define HOST4 "google.org"
#define SERV4 "ldap"
#if HAVE_IPV4
# define NUMERICHOSTV4 "1.2.3.4"
#endif
#if HAVE_IPV6
# define NUMERICHOSTV6 "2001:db8:3333:4444:CCCC:DDDD:EEEE:FFFF"
#endif
int main (void)
{
(void) gl_sockets_startup (SOCKETS_1_1);
return ( simple (1, HOST1, SERV1)
+ simple (1, HOST1, "80")
+ simple (1, HOST2, SERV2)
+ simple (1, HOST2, "443")
+ simple (1, HOST3, SERV3)
+ simple (1, HOST3, "80")
+ simple (1, HOST4, SERV4)
+ simple (1, HOST4, "389")
+ simple (2, HOST1, SERV1)
+ simple (2, HOST2, SERV2)
+ simple (2, HOST3, SERV3)
+ simple (2, HOST4, SERV4)
#if HAVE_IPV4
+ simple (3, NUMERICHOSTV4, SERV1)
#endif
#if HAVE_IPV6
+ simple (3, NUMERICHOSTV6, SERV1)
#endif
#if !defined __GLIBC__
/* avoid glibc bug, possibly
<https://sourceware.org/bugzilla/show_bug.cgi?id=32465> */
+ simple (3, HOST1, SERV1)
+ simple (3, HOST2, SERV2)
+ simple (3, HOST3, SERV3)
+ simple (3, HOST4, SERV4)
#endif
+ simple (4, HOST1, SERV1)
+ simple (4, HOST1, "80")
+ simple (4, HOST2, SERV2)
+ simple (4, HOST2, "443")
+ simple (4, HOST3, SERV3)
+ simple (4, HOST3, "80")
+ simple (4, HOST4, SERV4)
+ simple (4, HOST4, "389"));
}
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