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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);
+}