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