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-rw-r--r--nss/test-netdb.c340
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diff --git a/nss/test-netdb.c b/nss/test-netdb.c
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--- a/nss/test-netdb.c
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-/* Copyright (C) 1998-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Andreas Jaeger <aj@suse.de>, 1998.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-/*
- Testing of some network related lookup functions.
- The system databases looked up are:
- - /etc/services
- - /etc/hosts
- - /etc/networks
- - /etc/protocols
- The tests try to be fairly generic and simple so that they work on
- every possible setup (and might therefore not detect some possible
- errors).
-*/
-
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <unistd.h>
-#include <errno.h>
-#include "nss.h"
-
-/*
- The following define is necessary for glibc 2.0.6
-*/
-#ifndef INET6_ADDRSTRLEN
-# define INET6_ADDRSTRLEN 46
-#endif
-
-int error_count;
-
-static void
-output_servent (const char *call, struct servent *sptr)
-{
- char **pptr;
-
- if (sptr == NULL)
- printf ("Call: %s returned NULL\n", call);
- else
- {
- printf ("Call: %s, returned: s_name: %s, s_port: %d, s_proto: %s\n",
- call, sptr->s_name, ntohs(sptr->s_port), sptr->s_proto);
- for (pptr = sptr->s_aliases; *pptr != NULL; pptr++)
- printf (" alias: %s\n", *pptr);
- }
-}
-
-
-static void
-test_services (void)
-{
- struct servent *sptr;
-
- sptr = getservbyname ("domain", "tcp");
- output_servent ("getservbyname (\"domain\", \"tcp\")", sptr);
-
- sptr = getservbyname ("domain", "udp");
- output_servent ("getservbyname (\"domain\", \"udp\")", sptr);
-
- sptr = getservbyname ("domain", NULL);
- output_servent ("getservbyname (\"domain\", NULL)", sptr);
-
- sptr = getservbyname ("not-existant", NULL);
- output_servent ("getservbyname (\"not-existant\", NULL)", sptr);
-
- /* This shouldn't return anything. */
- sptr = getservbyname ("", "");
- output_servent ("getservbyname (\"\", \"\")", sptr);
-
- sptr = getservbyname ("", "tcp");
- output_servent ("getservbyname (\"\", \"tcp\")", sptr);
-
- sptr = getservbyport (htons(53), "tcp");
- output_servent ("getservbyport (htons(53), \"tcp\")", sptr);
-
- sptr = getservbyport (htons(53), NULL);
- output_servent ("getservbyport (htons(53), NULL)", sptr);
-
- sptr = getservbyport (htons(1), "udp"); /* shouldn't exist */
- output_servent ("getservbyport (htons(1), \"udp\")", sptr);
-
- setservent (0);
- do
- {
- sptr = getservent ();
- output_servent ("getservent ()", sptr);
- }
- while (sptr != NULL);
- endservent ();
-}
-
-
-static void
-output_hostent (const char *call, struct hostent *hptr)
-{
- char **pptr;
- char buf[INET6_ADDRSTRLEN];
-
- if (hptr == NULL)
- printf ("Call: %s returned NULL\n", call);
- else
- {
- printf ("Call: %s returned: name: %s, addr_type: %d\n",
- call, hptr->h_name, hptr->h_addrtype);
- if (hptr->h_aliases)
- for (pptr = hptr->h_aliases; *pptr != NULL; pptr++)
- printf (" alias: %s\n", *pptr);
-
- for (pptr = hptr->h_addr_list; *pptr != NULL; pptr++)
- printf (" ip: %s\n",
- inet_ntop (hptr->h_addrtype, *pptr, buf, sizeof (buf)));
- }
-}
-
-static void
-test_hosts (void)
-{
- struct hostent *hptr1, *hptr2;
- char *name = NULL;
- size_t namelen = 0;
- struct in_addr ip;
-
- hptr1 = gethostbyname ("localhost");
- hptr2 = gethostbyname ("LocalHost");
- if (hptr1 != NULL || hptr2 != NULL)
- {
- if (hptr1 == NULL)
- {
- printf ("localhost not found - but LocalHost found:-(\n");
- ++error_count;
- }
- else if (hptr2 == NULL)
- {
- printf ("LocalHost not found - but localhost found:-(\n");
- ++error_count;
- }
- else if (strcmp (hptr1->h_name, hptr2->h_name) != 0)
- {
- printf ("localhost and LocalHost have different canoncial name\n");
- printf ("gethostbyname (\"localhost\")->%s\n", hptr1->h_name);
- printf ("gethostbyname (\"LocalHost\")->%s\n", hptr2->h_name);
- ++error_count;
- }
- else
- output_hostent ("gethostbyname(\"localhost\")", hptr1);
- }
-
- hptr1 = gethostbyname ("127.0.0.1");
- output_hostent ("gethostbyname (\"127.0.0.1\")", hptr1);
-
- hptr1 = gethostbyname ("10.1234");
- output_hostent ("gethostbyname (\"10.1234\")", hptr1);
-
- hptr1 = gethostbyname2 ("localhost", AF_INET);
- output_hostent ("gethostbyname2 (\"localhost\", AF_INET)", hptr1);
-
- while (gethostname (name, namelen) < 0 && errno == ENAMETOOLONG)
- {
- namelen += 2; /* tiny increments to test a lot */
- name = realloc (name, namelen);
- }
- if (gethostname (name, namelen) == 0)
- {
- printf ("Hostname: %s\n", name);
- if (name != NULL)
- {
- hptr1 = gethostbyname (name);
- output_hostent ("gethostbyname (gethostname(...))", hptr1);
- }
- }
-
- ip.s_addr = htonl (INADDR_LOOPBACK);
- hptr1 = gethostbyaddr ((char *) &ip, sizeof(ip), AF_INET);
- if (hptr1 != NULL)
- {
- printf ("official name of 127.0.0.1: %s\n", hptr1->h_name);
- }
-
- sethostent (0);
- do
- {
- hptr1 = gethostent ();
- output_hostent ("gethostent ()", hptr1);
- }
- while (hptr1 != NULL);
- endhostent ();
-
-}
-
-
-static void
-output_netent (const char *call, struct netent *nptr)
-{
- char **pptr;
-
- if (nptr == NULL)
- printf ("Call: %s returned NULL\n", call);
- else
- {
- struct in_addr ip;
-
- ip.s_addr = htonl(nptr->n_net);
- printf ("Call: %s, returned: n_name: %s, network_number: %s\n",
- call, nptr->n_name, inet_ntoa (ip));
-
- for (pptr = nptr->n_aliases; *pptr != NULL; pptr++)
- printf (" alias: %s\n", *pptr);
- }
-}
-
-static void
-test_network (void)
-{
- struct netent *nptr;
- u_int32_t ip;
-
- /*
- This test needs the following line in /etc/networks:
- loopback 127.0.0.0
- */
- nptr = getnetbyname ("loopback");
- output_netent ("getnetbyname (\"loopback\")",nptr);
-
- nptr = getnetbyname ("LoopBACK");
- output_netent ("getnetbyname (\"LoopBACK\")",nptr);
-
- ip = inet_network ("127.0.0.0");
- nptr = getnetbyaddr (ip, AF_INET);
- output_netent ("getnetbyaddr (inet_network (\"127.0.0.0\"), AF_INET)",nptr);
-
- setnetent (0);
- do
- {
- nptr = getnetent ();
- output_netent ("getnetent ()", nptr);
- }
- while (nptr != NULL);
- endnetent ();
-}
-
-
-static void
-output_protoent (const char *call, struct protoent *prptr)
-{
- char **pptr;
-
- if (prptr == NULL)
- printf ("Call: %s returned NULL\n", call);
- else
- {
- printf ("Call: %s, returned: p_name: %s, p_proto: %d\n",
- call, prptr->p_name, prptr->p_proto);
- for (pptr = prptr->p_aliases; *pptr != NULL; pptr++)
- printf (" alias: %s\n", *pptr);
- }
-}
-
-
-static void
-test_protocols (void)
-{
- struct protoent *prptr;
-
- prptr = getprotobyname ("IP");
- output_protoent ("getprotobyname (\"IP\")", prptr);
-
- prptr = getprotobynumber (1);
- output_protoent ("getprotobynumber (1)", prptr);
-
- setprotoent (0);
- do
- {
- prptr = getprotoent ();
- output_protoent ("getprotoent ()", prptr);
- }
- while (prptr != NULL);
- endprotoent ();
-}
-
-
-/* Override /etc/nsswitch.conf for this program. This is mainly
- useful for developers. */
-static void __attribute__ ((unused))
-setdb (const char *dbname)
-{
- if (strcmp ("db", dbname))
- {
- /*
- db is not implemented for hosts, networks
- */
- __nss_configure_lookup ("hosts", dbname);
- __nss_configure_lookup ("networks", dbname);
- }
- __nss_configure_lookup ("protocols", dbname);
- __nss_configure_lookup ("services", dbname);
-}
-
-
-static int
-do_test (void)
-{
- /*
- setdb ("db");
- */
-
- test_hosts ();
- test_network ();
- test_protocols ();
- test_services ();
-
- if (error_count)
- printf ("\n %d errors occurred!\n", error_count);
- else
- printf ("No visible errors occurred!\n");
-
- return (error_count != 0);
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
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