diff options
Diffstat (limited to 'gnulib-tests/test-getaddrinfo.c')
| -rw-r--r-- | gnulib-tests/test-getaddrinfo.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/gnulib-tests/test-getaddrinfo.c b/gnulib-tests/test-getaddrinfo.c new file mode 100644 index 0000000..5b439a9 --- /dev/null +++ b/gnulib-tests/test-getaddrinfo.c @@ -0,0 +1,178 @@ +/* Test the getaddrinfo module. + + Copyright (C) 2006-2020 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 <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 (char const *host, char const *service) +{ + char buf[BUFSIZ]; + static int skip = 0; + struct addrinfo hints; + 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); + + /* This initializes "hints" but does not use it. Is there a reason + for this? If so, please fix this comment. */ + memset (&hints, 0, sizeof (hints)); + hints.ai_flags = AI_CANONNAME; + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + + res = getaddrinfo (host, service, 0, &ai0); + err = errno; + + dbgprintf ("res %d: %s\n", res, gai_strerror (res)); + + 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)); + + 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" + +int main (void) +{ + (void) gl_sockets_startup (SOCKETS_1_1); + + return simple (HOST1, SERV1) + + simple (HOST2, SERV2) + + simple (HOST3, SERV3) + + simple (HOST4, SERV4); +} |