1 files changed, 137 insertions, 0 deletions
diff --git a/hesiod/nss_hesiod/hesiod-proto.c b/hesiod/nss_hesiod/hesiod-proto.c
new file mode 100644
index 0000000..d77e8d9
--- /dev/null
+++ b/hesiod/nss_hesiod/hesiod-proto.c
@@ -0,0 +1,137 @@
+/* Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
+
+   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.  */
+
+#include <errno.h>
+#include <hesiod.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <nss.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "nss_hesiod.h"
+
+/* Declare a parser for Hesiod protocol entries.  Although the format
+   of the entries is identical to those in /etc/protocols, here is no
+   predefined parser for us to use.  */
+
+#define ENTNAME protoent
+
+struct protoent_data {};
+
+#define TRAILING_LIST_MEMBER		p_aliases
+#define TRAILING_LIST_SEPARATOR_P	isspace
+#include <nss/nss_files/files-parse.c>
+LINE_PARSER
+("#",
+ STRING_FIELD (result->p_name, isspace, 1);
+ INT_FIELD (result->p_proto, isspace, 1, 10,);
+ )
+
+enum nss_status
+_nss_hesiod_setprotoent (void)
+{
+  return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_hesiod_endprotoent (void)
+{
+  return NSS_STATUS_SUCCESS;
+}
+
+static enum nss_status
+lookup (const char *name, const char *type, struct protoent *proto,
+	char *buffer, size_t buflen, int *errnop)
+{
+  struct parser_data *data = (void *) buffer;
+  size_t linebuflen;
+  void *context;
+  char **list, **item;
+  int parse_res;
+  int found;
+
+  context = _nss_hesiod_init ();
+  if (context == NULL)
+    return NSS_STATUS_UNAVAIL;
+
+  list = hesiod_resolve (context, name, type);
+  if (list == NULL)
+    {
+      hesiod_end (context);
+      return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL;
+    }
+
+  linebuflen = buffer + buflen - data->linebuffer;
+
+  item = list;
+  found = 0;
+  do
+    {
+      size_t len = strlen (*item) + 1;
+
+      if (linebuflen < len)
+	{
+	  hesiod_free_list (context, list);
+	  hesiod_end (context);
+	  *errnop = ERANGE;
+	  return NSS_STATUS_TRYAGAIN;
+	}
+
+      memcpy (data->linebuffer, *item, len);
+
+      parse_res = parse_line (buffer, proto, data, buflen, errnop);
+      if (parse_res == -1)
+	{
+	  hesiod_free_list (context, list);
+	  hesiod_end (context);
+	  return NSS_STATUS_TRYAGAIN;
+	}
+
+      if (parse_res > 0)
+	found = 1;
+
+      ++item;
+    }
+  while (*item != NULL && !found);
+
+  hesiod_free_list (context, list);
+  hesiod_end (context);
+
+  return found ? NSS_STATUS_SUCCESS : NSS_STATUS_NOTFOUND;
+}
+
+enum nss_status
+_nss_hesiod_getprotobyname_r (const char *name, struct protoent *proto,
+			      char *buffer, size_t buflen, int *errnop)
+{
+  return lookup (name, "protocol", proto, buffer, buflen, errnop);
+}
+
+enum nss_status
+_nss_hesiod_getprotobynumber_r (const int protocol, struct protoent *proto,
+				char *buffer, size_t buflen, int *errnop)
+{
+  char protostr[21];
+
+  snprintf (protostr, sizeof protostr, "%d", protocol);
+
+  return lookup (protostr, "protonum", proto, buffer, buflen, errnop);
+}