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-rw-r--r--nss/test-netdb.c349
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diff --git a/nss/test-netdb.c b/nss/test-netdb.c
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+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ Testing of some network related lookup functions.
+ The system databases looked up are:
+ - /etc/services
+ - /etc/hosts
+ - /etc/networks
+ - /etc/protocols
+ - /etc/rpc
+ 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 <rpc/netdb.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+/*
+ The following define is neccessary for glibc 2.0.6
+*/
+#ifndef INET6_ADDRSTRLEN
+# define INET6_ADDRSTRLEN 46
+#endif
+
+int error_count;
+
+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);
+ }
+}
+
+
+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);
+
+ 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 ();
+}
+
+
+void
+output_hostent (const char *call, struct hostent *hptr)
+{
+ int i;
+ 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);
+ 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)));
+ }
+}
+
+void
+test_hosts (void)
+{
+ struct hostent *hptr1, *hptr2;
+ char name[MAXHOSTNAMELEN];
+ size_t namelen = sizeof(name);
+ 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);
+ }
+
+
+ if (gethostname (name, namelen) == 0)
+ {
+ printf ("Hostname: %s\n", name);
+ 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 ();
+
+}
+
+
+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);
+ }
+}
+
+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);
+
+ 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 ();
+}
+
+
+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);
+ }
+}
+
+
+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 ();
+}
+
+
+void
+output_rpcent (const char *call, struct rpcent *rptr)
+{
+ char **pptr;
+
+ if (rptr == NULL)
+ printf ("Call: %s returned NULL\n", call);
+ else
+ {
+ printf ("Call: %s, returned: r_name: %s, r_number: %d\n",
+ call, rptr->r_name, rptr->r_number);
+ for (pptr = rptr->r_aliases; *pptr != NULL; pptr++)
+ printf (" alias: %s\n", *pptr);
+ }
+}
+
+void
+test_rpc (void)
+{
+ struct rpcent *rptr;
+
+ rptr = getrpcbyname ("portmap");
+ output_rpcent ("getrpcyname (\"portmap\")", rptr);
+
+ rptr = getrpcbynumber (100000);
+ output_rpcent ("getrpcbynumber (100000)", rptr);
+
+ setrpcent (0);
+ do
+ {
+ rptr = getrpcent ();
+ output_rpcent ("getrpcent ()", rptr);
+ }
+ while (rptr != NULL);
+ endrpcent ();
+}
+
+/*
+ Override /etc/nsswitch.conf for this program.
+ This is mainly useful for developers
+*/
+void
+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 ("rpc", dbname);
+ __nss_configure_lookup ("services", dbname);
+}
+
+
+int
+main (void)
+{
+ /*
+ setdb ("db");
+ */
+ test_hosts ();
+ test_network ();
+ test_protocols ();
+ test_rpc ();
+ test_services ();
+
+ if (error_count)
+ printf ("\n %d errors occured!\n", error_count);
+ else
+ printf ("No visible errors occured!\n");
+
+ exit (error_count);
+}
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