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Diffstat (limited to 'nis/nss_nis/nis-service.c')
-rw-r--r--nis/nss_nis/nis-service.c438
1 files changed, 0 insertions, 438 deletions
diff --git a/nis/nss_nis/nis-service.c b/nis/nss_nis/nis-service.c
deleted file mode 100644
index 61a8ff5f46..0000000000
--- a/nis/nss_nis/nis-service.c
+++ /dev/null
@@ -1,438 +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 <nss.h>
-#include <netdb.h>
-#include <ctype.h>
-#include <errno.h>
-#include <string.h>
-#include <libc-lock.h>
-#include <rpcsvc/yp.h>
-#include <rpcsvc/ypclnt.h>
-
-#include "nss-nis.h"
-#include <libnsl.h>
-
-
-/* Get the declaration of the parser function.  */
-#define ENTNAME servent
-#define EXTERN_PARSER
-#include <nss/nss_files/files-parse.c>
-
-__libc_lock_define_initialized (static, lock)
-
-static intern_t intern;
-
-struct search_t
-{
-  const char *name;
-  const char *proto;
-  int port;
-  enum nss_status status;
-  struct servent *serv;
-  char *buffer;
-  size_t buflen;
-  int *errnop;
-};
-
-static int
-dosearch (int instatus, char *inkey, int inkeylen, char *inval,
-	  int invallen, char *indata)
-{
-  struct search_t *req = (struct search_t *) indata;
-
-  if (__glibc_unlikely (instatus != YP_TRUE))
-    return 1;
-
-  if (inkey && inkeylen > 0 && inval && invallen > 0)
-    {
-      if (__glibc_unlikely ((size_t) (invallen + 1) > req->buflen))
-	{
-	  *req->errnop = ERANGE;
-	  req->status = NSS_STATUS_TRYAGAIN;
-	  return 1;
-	}
-
-      char *p = strncpy (req->buffer, inval, invallen);
-      req->buffer[invallen] = '\0';
-      while (isspace (*p))
-        ++p;
-
-      int parse_res = _nss_files_parse_servent (p, req->serv,
-						(void *) req->buffer,
-						req->buflen, req->errnop);
-      if (parse_res == -1)
-	{
-	  req->status = NSS_STATUS_TRYAGAIN;
-	  return 1;
-	}
-
-      if (!parse_res)
-        return 0;
-
-      if (req->proto != NULL && strcmp (req->serv->s_proto, req->proto) != 0)
-	return 0;
-
-      if (req->port != -1 && req->serv->s_port != req->port)
-	return 0;
-
-      if (req->name != NULL && strcmp (req->serv->s_name, req->name) != 0)
-	{
-	  char **cp;
-	  for (cp = req->serv->s_aliases; *cp; cp++)
-	    if (strcmp (req->name, *cp) == 0)
-	      break;
-
-	  if (*cp == NULL)
-	    return 0;
-	}
-
-      req->status = NSS_STATUS_SUCCESS;
-      return 1;
-    }
-
-  return 0;
-}
-
-static void
-internal_nis_endservent (void)
-{
-  struct response_t *curr = intern.next;
-
-  while (curr != NULL)
-    {
-      struct response_t *last = curr;
-      curr = curr->next;
-      free (last);
-    }
-
-  intern.next = intern.start = NULL;
-}
-
-enum nss_status
-_nss_nis_endservent (void)
-{
-  __libc_lock_lock (lock);
-
-  internal_nis_endservent ();
-
-  __libc_lock_unlock (lock);
-
-  return NSS_STATUS_SUCCESS;
-}
-
-static enum nss_status
-internal_nis_setservent (void)
-{
-  char *domainname;
-  struct ypall_callback ypcb;
-  enum nss_status status;
-
-  if (yp_get_default_domain (&domainname))
-    return NSS_STATUS_UNAVAIL;
-
-  internal_nis_endservent ();
-
-  ypcb.foreach = _nis_saveit;
-  ypcb.data = (char *) &intern;
-  status = yperr2nss (yp_all (domainname, "services.byname", &ypcb));
-
-  /* Mark the last buffer as full.  */
-  if (intern.next != NULL)
-    intern.next->size = intern.offset;
-
-  intern.next = intern.start;
-  intern.offset = 0;
-
-  return status;
-}
-
-enum nss_status
-_nss_nis_setservent (int stayopen)
-{
-  enum nss_status status;
-
-  __libc_lock_lock (lock);
-
-  status = internal_nis_setservent ();
-
-  __libc_lock_unlock (lock);
-
-  return status;
-}
-
-static enum nss_status
-internal_nis_getservent_r (struct servent *serv, char *buffer,
-			   size_t buflen, int *errnop)
-{
-  struct parser_data *pdata = (void *) buffer;
-  int parse_res;
-  char *p;
-
-  if (intern.start == NULL)
-    internal_nis_setservent ();
-
-  if (intern.next == NULL)
-    /* Not one entry in the map.  */
-    return NSS_STATUS_NOTFOUND;
-
-  /* Get the next entry until we found a correct one.  */
-  do
-    {
-      struct response_t *bucket = intern.next;
-
-      if (__glibc_unlikely (intern.offset >= bucket->size))
-	{
-	  if (bucket->next == NULL)
-	    return NSS_STATUS_NOTFOUND;
-
-	  /* We look at all the content in the current bucket.  Go on
-	     to the next.  */
-	  bucket = intern.next = bucket->next;
-	  intern.offset = 0;
-	}
-
-      for (p = &bucket->mem[intern.offset]; isspace (*p); ++p)
-        ++intern.offset;
-
-      size_t len = strlen (p) + 1;
-      if (__glibc_unlikely (len > buflen))
-	{
-	  *errnop = ERANGE;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-
-      /* We unfortunately have to copy the data in the user-provided
-	 buffer because that buffer might be around for a very long
-	 time and the servent structure must remain valid.  If we would
-	 rely on the BUCKET memory the next 'setservent' or 'endservent'
-	 call would destroy it.
-
-	 The important thing is that it is a single NUL-terminated
-	 string.  This is what the parsing routine expects.  */
-      p = memcpy (buffer, &bucket->mem[intern.offset], len);
-
-      parse_res = _nss_files_parse_servent (p, serv, pdata, buflen, errnop);
-      if (__glibc_unlikely (parse_res == -1))
-        return NSS_STATUS_TRYAGAIN;
-
-      intern.offset += len;
-    }
-  while (!parse_res);
-
-  return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status
-_nss_nis_getservent_r (struct servent *serv, char *buffer, size_t buflen,
-		       int *errnop)
-{
-  enum nss_status status;
-
-  __libc_lock_lock (lock);
-
-  status = internal_nis_getservent_r (serv, buffer, buflen, errnop);
-
-  __libc_lock_unlock (lock);
-
-  return status;
-}
-
-enum nss_status
-_nss_nis_getservbyname_r (const char *name, const char *protocol,
-			  struct servent *serv, char *buffer, size_t buflen,
-			  int *errnop)
-{
-  if (name == NULL)
-    {
-      *errnop = EINVAL;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  char *domain;
-  if (__glibc_unlikely (yp_get_default_domain (&domain)))
-    return NSS_STATUS_UNAVAIL;
-
-  /* If the protocol is given, we could try if our NIS server knows
-     about services.byservicename map. If yes, we only need one query.  */
-  size_t keylen = strlen (name) + (protocol ? 1 + strlen (protocol) : 0);
-  /* Limit key length to the maximum size of an RPC packet.  */
-  if (keylen > UDPMSGSIZE)
-    {
-      *errnop = ERANGE;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  char key[keylen + 1];
-
-  /* key is: "name/proto" */
-  char *cp = stpcpy (key, name);
-  if (protocol != NULL)
-    {
-      *cp++ = '/';
-      strcpy (cp, protocol);
-    }
-
-  char *result;
-  int int_len;
-  int status = yp_match (domain, "services.byservicename", key,
-			 keylen, &result, &int_len);
-  size_t len = int_len;
-
-  /* If we found the key, it's ok and parse the result. If not,
-     fall through and parse the complete table. */
-  if (__glibc_likely (status == YPERR_SUCCESS))
-    {
-      if (__glibc_unlikely ((size_t) (len + 1) > buflen))
-	{
-	  free (result);
-	  *errnop = ERANGE;
-	  return NSS_STATUS_TRYAGAIN;
-	}
-
-      char *p = strncpy (buffer, result, len);
-      buffer[len] = '\0';
-      while (isspace (*p))
-	++p;
-      free (result);
-
-      int parse_res = _nss_files_parse_servent (p, serv, (void *) buffer,
-						buflen, errnop);
-      if (__glibc_unlikely (parse_res < 0))
-	{
-	  if (parse_res == -1)
-	    return NSS_STATUS_TRYAGAIN;
-	  else
-	    return NSS_STATUS_NOTFOUND;
-	}
-      else
-	return NSS_STATUS_SUCCESS;
-    }
-
-  /* Check if it is safe to rely on services.byservicename.  */
-  if (_nsl_default_nss () & NSS_FLAG_SERVICES_AUTHORITATIVE)
-    return yperr2nss (status);
-
-  struct ypall_callback ypcb;
-  struct search_t req;
-
-  ypcb.foreach = dosearch;
-  ypcb.data = (char *) &req;
-  req.name = name;
-  req.proto = protocol;
-  req.port = -1;
-  req.serv = serv;
-  req.buffer = buffer;
-  req.buflen = buflen;
-  req.errnop = errnop;
-  req.status = NSS_STATUS_NOTFOUND;
-  status = yp_all (domain, "services.byname", &ypcb);
-
-  if (__glibc_unlikely (status != YPERR_SUCCESS))
-    return yperr2nss (status);
-
-  return req.status;
-}
-
-enum nss_status
-_nss_nis_getservbyport_r (int port, const char *protocol,
-			  struct servent *serv, char *buffer,
-			  size_t buflen, int *errnop)
-{
-  char *domain;
-  if (__glibc_unlikely (yp_get_default_domain (&domain)))
-    return NSS_STATUS_UNAVAIL;
-
-  /* If the protocol is given, we only need one query.
-     Otherwise try first port/tcp, then port/udp and then fallback
-     to sequential scanning of services.byname.  */
-  const char *proto = protocol != NULL ? protocol : "tcp";
-  /* Limit protocol name length to the maximum size of an RPC packet.  */
-  if (strlen (proto) > UDPMSGSIZE)
-    {
-      *errnop = ERANGE;
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  do
-    {
-      /* key is: "port/proto" */
-      char key[sizeof (int) * 3 + strlen (proto) + 2];
-      size_t keylen = snprintf (key, sizeof (key), "%d/%s", ntohs (port),
-				proto);
-
-      char *result;
-      int int_len;
-      int status = yp_match (domain, "services.byname", key, keylen, &result,
-			     &int_len);
-      size_t len = int_len;
-
-      /* If we found the key, it's ok and parse the result. If not,
-	 fall through and parse the complete table. */
-      if (__glibc_likely (status == YPERR_SUCCESS))
-	{
-	  if (__glibc_unlikely ((size_t) (len + 1) > buflen))
-	    {
-	      free (result);
-	      *errnop = ERANGE;
-	      return NSS_STATUS_TRYAGAIN;
-	    }
-
-	  char  *p = strncpy (buffer, result, len);
-	  buffer[len] = '\0';
-	  while (isspace (*p))
-	    ++p;
-	  free (result);
-	  int parse_res = _nss_files_parse_servent (p, serv, (void *) buffer,
-						    buflen, errnop);
-	  if (__glibc_unlikely (parse_res < 0))
-	    {
-	      if (parse_res == -1)
-		return NSS_STATUS_TRYAGAIN;
-	      else
-		return NSS_STATUS_NOTFOUND;
-	    }
-
-	  return NSS_STATUS_SUCCESS;
-	}
-    }
-  while (protocol == NULL && (proto[0] == 't' ? (proto = "udp") : NULL));
-
-  if (port == -1)
-    return NSS_STATUS_NOTFOUND;
-
-  struct ypall_callback ypcb;
-  struct search_t req;
-
-  ypcb.foreach = dosearch;
-  ypcb.data = (char *) &req;
-  req.name = NULL;
-  req.proto = protocol;
-  req.port = port;
-  req.serv = serv;
-  req.buffer = buffer;
-  req.buflen = buflen;
-  req.errnop = errnop;
-  req.status = NSS_STATUS_NOTFOUND;
-  int status = yp_all (domain, "services.byname", &ypcb);
-
-  if (__glibc_unlikely (status != YPERR_SUCCESS))
-    return yperr2nss (status);
-
-  return req.status;
-}
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