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Diffstat (limited to 'nis/nss_nis/nis-hosts.c')
-rw-r--r--nis/nss_nis/nis-hosts.c535
1 files changed, 0 insertions, 535 deletions
diff --git a/nis/nss_nis/nis-hosts.c b/nis/nss_nis/nis-hosts.c
deleted file mode 100644
index eb074783f7..0000000000
--- a/nis/nss_nis/nis-hosts.c
+++ /dev/null
@@ -1,535 +0,0 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
-
-   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
-   <https://www.gnu.org/licenses/>.  */
-
-#include <assert.h>
-#include <nss.h>
-#include <ctype.h>
-#include <netdb.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <libc-lock.h>
-#include <rpcsvc/yp.h>
-#include <rpcsvc/ypclnt.h>
-
-#include "nss-nis.h"
-
-#define ENTNAME         hostent
-#define DATABASE        "hosts"
-#define NEED_H_ERRNO
-
-#define EXTRA_ARGS      , af
-#define EXTRA_ARGS_DECL , int af
-
-#define ENTDATA hostent_data
-struct hostent_data
-  {
-    unsigned char host_addr[16];	/* IPv4 or IPv6 address.  */
-    char *h_addr_ptrs[2];	/* Points to that and null terminator.  */
-  };
-
-#define TRAILING_LIST_MEMBER            h_aliases
-#define TRAILING_LIST_SEPARATOR_P       isspace
-#include <nss/nss_files/files-parse.c>
-LINE_PARSER
-("#",
- {
-   char *addr;
-
-   STRING_FIELD (addr, isspace, 1);
-
-   assert (af == AF_INET || af == AF_INET6 || af == AF_UNSPEC);
-
-   /* Parse address.  */
-   if (af != AF_INET6 && inet_pton (AF_INET, addr, entdata->host_addr) > 0)
-     {
-       result->h_addrtype = AF_INET;
-       result->h_length = INADDRSZ;
-     }
-   else if (af != AF_INET
-	    && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
-     {
-       result->h_addrtype = AF_INET6;
-       result->h_length = IN6ADDRSZ;
-     }
-   else
-     /* Illegal address: ignore line.  */
-     return 0;
-
-   /* Store a pointer to the address in the expected form.  */
-   entdata->h_addr_ptrs[0] = (char *) entdata->host_addr;
-   entdata->h_addr_ptrs[1] = NULL;
-   result->h_addr_list = entdata->h_addr_ptrs;
-
-   STRING_FIELD (result->h_name, isspace, 1);
- })
-
-
-__libc_lock_define_initialized (static, lock)
-
-static bool_t new_start = 1;
-static char *oldkey = NULL;
-static int oldkeylen = 0;
-
-enum nss_status
-_nss_nis_sethostent (int stayopen)
-{
-  return _nss_nis_endhostent ();
-}
-
-enum nss_status
-_nss_nis_endhostent (void)
-{
-  __libc_lock_lock (lock);
-
-  new_start = 1;
-  if (oldkey != NULL)
-    {
-      free (oldkey);
-      oldkey = NULL;
-      oldkeylen = 0;
-    }
-
-  __libc_lock_unlock (lock);
-
-  return NSS_STATUS_SUCCESS;
-}
-libnss_nis_hidden_def (_nss_nis_endhostent)
-
-/* The calling function always need to get a lock first. */
-static enum nss_status
-internal_nis_gethostent_r (struct hostent *host, char *buffer,
-			   size_t buflen, int *errnop, int *h_errnop,
-			   int af)
-{
-  char *domain;
-  if (__glibc_unlikely (yp_get_default_domain (&domain)))
-    return NSS_STATUS_UNAVAIL;
-
-  uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
-  buffer += pad;
-
-  struct parser_data *data = (void *) buffer;
-  if (__glibc_unlikely (buflen < sizeof *data + 1 + pad))
-    {
-      *errnop = ERANGE;
-      *h_errnop = NETDB_INTERNAL;
-      return NSS_STATUS_TRYAGAIN;
-    }
-  buflen -= pad;
-
-  /* Get the next entry until we found a correct one. */
-  const size_t linebuflen = buffer + buflen - data->linebuffer;
-  int parse_res;
-  do
-    {
-      char *result;
-      int len;
-      char *outkey;
-      int keylen;
-      int yperr;
-      if (new_start)
-	yperr = yp_first (domain, "hosts.byname", &outkey, &keylen, &result,
-			  &len);
-      else
-	yperr = yp_next (domain, "hosts.byname", oldkey, oldkeylen, &outkey,
-			 &keylen, &result, &len);
-
-      if (__glibc_unlikely (yperr != YPERR_SUCCESS))
-	{
-	  enum nss_status retval = yperr2nss (yperr);
-
-	  switch (retval)
-	    {
-	    case NSS_STATUS_TRYAGAIN:
-	      *errnop = errno;
-	      *h_errnop = TRY_AGAIN;
-	      break;
-	    case NSS_STATUS_NOTFOUND:
-	      *h_errnop = HOST_NOT_FOUND;
-	      break;
-	    default:
-	      *h_errnop = NO_RECOVERY;
-	      break;
-	    }
-	  return retval;
-	}
-
-      if (__glibc_unlikely ((size_t) (len + 1) > linebuflen))
-	{
-	  free (result);
-	  *h_errnop = NETDB_INTERNAL;
-	  *errnop = ERANGE;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-
-      char *p = strncpy (data->linebuffer, result, len);
-      data->linebuffer[len] = '\0';
-      while (isspace (*p))
-	++p;
-      free (result);
-
-      parse_res = parse_line (p, host, data, buflen, errnop, af);
-      if (__glibc_unlikely (parse_res == -1))
-	{
-	  free (outkey);
-	  *h_errnop = NETDB_INTERNAL;
-	  *errnop = ERANGE;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-      free (oldkey);
-      oldkey = outkey;
-      oldkeylen = keylen;
-      new_start = 0;
-    }
-  while (!parse_res);
-
-  *h_errnop = NETDB_SUCCESS;
-  return NSS_STATUS_SUCCESS;
-}
-
-
-enum nss_status
-_nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen,
-		       int *errnop, int *h_errnop)
-{
-  enum nss_status status;
-
-  __libc_lock_lock (lock);
-
-  status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop,
-				      AF_INET);
-
-  __libc_lock_unlock (lock);
-
-  return status;
-}
-
-
-static enum nss_status
-internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
-			   char *buffer, size_t buflen, int *errnop,
-			   int *h_errnop)
-{
-  uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
-  buffer += pad;
-
-  struct parser_data *data = (void *) buffer;
-
-  if (name == NULL)
-    {
-      *errnop = EINVAL;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  char *domain;
-  if (yp_get_default_domain (&domain))
-    return NSS_STATUS_UNAVAIL;
-
-  if (buflen < sizeof *data + 1 + pad)
-    {
-      *h_errnop = NETDB_INTERNAL;
-      *errnop = ERANGE;
-      return NSS_STATUS_TRYAGAIN;
-    }
-  buflen -= pad;
-
-  /* Convert name to lowercase.  */
-  size_t namlen = strlen (name);
-  /* Limit name length to the maximum size of an RPC packet.  */
-  if (namlen > UDPMSGSIZE)
-    {
-      *errnop = ERANGE;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  char name2[namlen + 1];
-  size_t i;
-
-  for (i = 0; i < namlen; ++i)
-    name2[i] = tolower (name[i]);
-  name2[i] = '\0';
-
-  char *result;
-  int len;
-  int yperr = yp_match (domain, "hosts.byname", name2, namlen, &result, &len);
-
-  if (__glibc_unlikely (yperr != YPERR_SUCCESS))
-    {
-      enum nss_status retval = yperr2nss (yperr);
-
-      if (retval == NSS_STATUS_TRYAGAIN)
-	{
-	  *h_errnop = TRY_AGAIN;
-	  *errnop = errno;
-	}
-      if (retval == NSS_STATUS_NOTFOUND)
-	*h_errnop = HOST_NOT_FOUND;
-      return retval;
-    }
-
-  const size_t linebuflen = buffer + buflen - data->linebuffer;
-  if (__glibc_unlikely ((size_t) (len + 1) > linebuflen))
-    {
-      free (result);
-      *h_errnop = NETDB_INTERNAL;
-      *errnop = ERANGE;
-      return NSS_STATUS_TRYAGAIN;
-    }
-
-  char *p = strncpy (data->linebuffer, result, len);
-  data->linebuffer[len] = '\0';
-  while (isspace (*p))
-    ++p;
-  free (result);
-
-  int parse_res = parse_line (p, host, data, buflen, errnop, af);
-
-  if (__glibc_unlikely (parse_res < 1 || host->h_addrtype != af))
-    {
-      if (parse_res == -1)
-	{
-	  *h_errnop = NETDB_INTERNAL;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-      else
-	{
-	  *h_errnop = HOST_NOT_FOUND;
-	  return NSS_STATUS_NOTFOUND;
-	}
-    }
-
-  *h_errnop = NETDB_SUCCESS;
-  return NSS_STATUS_SUCCESS;
-}
-
-
-enum nss_status
-_nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host,
-			   char *buffer, size_t buflen, int *errnop,
-			   int *h_errnop)
-{
-  if (af != AF_INET && af != AF_INET6)
-    {
-      *h_errnop = HOST_NOT_FOUND;
-      return NSS_STATUS_NOTFOUND;
-    }
-
-  return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop,
-				    h_errnop);
-}
-
-
-enum nss_status
-_nss_nis_gethostbyname_r (const char *name, struct hostent *host, char *buffer,
-			  size_t buflen, int *errnop, int *h_errnop)
-{
-  return internal_gethostbyname2_r (name, AF_INET, host, buffer, buflen,
-				    errnop, h_errnop);
-}
-
-
-enum nss_status
-_nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
-			  struct hostent *host, char *buffer, size_t buflen,
-			  int *errnop, int *h_errnop)
-{
-  char *domain;
-  if (__glibc_unlikely (yp_get_default_domain (&domain)))
-    return NSS_STATUS_UNAVAIL;
-
-  uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
-  buffer += pad;
-
-  struct parser_data *data = (void *) buffer;
-  if (__glibc_unlikely (buflen < sizeof *data + 1 + pad))
-    {
-      *errnop = ERANGE;
-      *h_errnop = NETDB_INTERNAL;
-      return NSS_STATUS_TRYAGAIN;
-    }
-  buflen -= pad;
-
-  char *buf = inet_ntoa (*(const struct in_addr *) addr);
-
-  char *result;
-  int len;
-  int yperr = yp_match (domain, "hosts.byaddr", buf, strlen (buf), &result,
-			&len);
-
-  if (__glibc_unlikely (yperr != YPERR_SUCCESS))
-    {
-      enum nss_status retval = yperr2nss (yperr);
-
-      if (retval == NSS_STATUS_TRYAGAIN)
-	{
-	  *h_errnop = TRY_AGAIN;
-	  *errnop = errno;
-	}
-      else if (retval == NSS_STATUS_NOTFOUND)
-	*h_errnop = HOST_NOT_FOUND;
-
-      return retval;
-    }
-
-  const size_t linebuflen = buffer + buflen - data->linebuffer;
-  if (__glibc_unlikely ((size_t) (len + 1) > linebuflen))
-    {
-      free (result);
-      *errnop = ERANGE;
-      *h_errnop = NETDB_INTERNAL;
-      return NSS_STATUS_TRYAGAIN;
-    }
-
-  char *p = strncpy (data->linebuffer, result, len);
-  data->linebuffer[len] = '\0';
-  while (isspace (*p))
-    ++p;
-  free (result);
-
-  int parse_res = parse_line (p, host, data, buflen, errnop, af);
-  if (__glibc_unlikely (parse_res < 1))
-    {
-      if (parse_res == -1)
-	{
-	  *h_errnop = NETDB_INTERNAL;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-      else
-	{
-	  *h_errnop = HOST_NOT_FOUND;
-	  return NSS_STATUS_NOTFOUND;
-	}
-    }
-
-  *h_errnop = NETDB_SUCCESS;
-  return NSS_STATUS_SUCCESS;
-}
-
-
-enum nss_status
-_nss_nis_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
-			   char *buffer, size_t buflen, int *errnop,
-			   int *herrnop, int32_t *ttlp)
-{
-  char *domain;
-  if (yp_get_default_domain (&domain))
-    {
-      *herrnop = NO_DATA;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  /* Convert name to lowercase.  */
-  size_t namlen = strlen (name);
-  /* Limit name length to the maximum size of an RPC packet.  */
-  if (namlen > UDPMSGSIZE)
-    {
-      *errnop = ERANGE;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  char name2[namlen + 1];
-  size_t i;
-
-  for (i = 0; i < namlen; ++i)
-    name2[i] = tolower (name[i]);
-  name2[i] = '\0';
-
-  char *result;
-  int len;
-  int yperr = yp_match (domain, "hosts.byname", name2, namlen, &result, &len);
-
-  if (__glibc_unlikely (yperr != YPERR_SUCCESS))
-    {
-      enum nss_status retval = yperr2nss (yperr);
-
-      if (retval == NSS_STATUS_TRYAGAIN)
-	{
-	  *herrnop = TRY_AGAIN;
-	  *errnop = errno;
-	}
-      if (retval == NSS_STATUS_NOTFOUND)
-	*herrnop = HOST_NOT_FOUND;
-      return retval;
-    }
-
-  if (*pat == NULL)
-    {
-      uintptr_t pad = (-(uintptr_t) buffer
-		       % __alignof__ (struct gaih_addrtuple));
-      buffer += pad;
-      buflen = buflen > pad ? buflen - pad : 0;
-
-      if (__glibc_unlikely (buflen < sizeof (struct gaih_addrtuple)))
-	{
-	erange:
-	  free (result);
-	  *errnop = ERANGE;
-	  *herrnop = NETDB_INTERNAL;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-
-      *pat = (struct gaih_addrtuple *) buffer;
-      buffer += sizeof (struct gaih_addrtuple);
-      buflen -= sizeof (struct gaih_addrtuple);
-    }
-
-  uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
-  buffer += pad;
-
-  struct parser_data *data = (void *) buffer;
-
-  if (__glibc_unlikely (buflen < sizeof *data + 1 + pad))
-    goto erange;
-  buflen -= pad;
-
-  struct hostent host;
-  int parse_res = parse_line (result, &host, data, buflen, errnop, AF_UNSPEC);
-  if (__glibc_unlikely (parse_res < 1))
-    {
-      if (parse_res == -1)
-	{
-	  *herrnop = NETDB_INTERNAL;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-      else
-	{
-	  *herrnop = HOST_NOT_FOUND;
-	  return NSS_STATUS_NOTFOUND;
-	}
-    }
-
-  (*pat)->next = NULL;
-  (*pat)->family = host.h_addrtype;
-  memcpy ((*pat)->addr, host.h_addr_list[0], host.h_length);
-  (*pat)->scopeid = 0;
-  assert (host.h_addr_list[1] == NULL);
-
-  /* Undo the alignment for parser_data.  */
-  buffer -= pad;
-  buflen += pad;
-
-  size_t h_name_len = strlen (host.h_name) + 1;
-  if (h_name_len >= buflen)
-    goto erange;
-  (*pat)->name = memcpy (buffer, host.h_name, h_name_len);
-
-  free (result);
-
-  return NSS_STATUS_SUCCESS;
-}