1 files changed, 337 insertions, 0 deletions
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c
new file mode 100644
index 0000000000..bb6bba1e3e
--- /dev/null
+++ b/nis/nss_nisplus/nisplus-parser.c
@@ -0,0 +1,337 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 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 <pwd.h>
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <rpcsvc/nis.h>
+
+#include "nisplus-parser.h"
+
+#define NISENTRYVAL(idx,col,res) \
+        ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+
+#define NISENTRYLEN(idx,col,res) \
+        ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+
+
+int
+_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
+			  char *buffer, size_t buflen)
+{
+  char *first_unused = buffer;
+  size_t room_left = buflen;
+
+  if (result == NULL)
+    return 0;
+
+  if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
+      result->objects.objects_len != 1 ||
+      __type_of (result->objects.objects_val) != ENTRY_OBJ ||
+      strcmp(result->objects.objects_val->EN_data.en_type,
+	     "passwd_tbl") != 0 ||
+      result->objects.objects_val->EN_data.en_cols.en_cols_len < 7)
+    return 0;
+
+  if (NISENTRYLEN (0, 0, result) >= room_left)
+    {
+      /* The line is too long for our buffer.  */
+    no_more_room:
+      __set_errno (ERANGE);
+      return 0;
+    }
+
+  strncpy (first_unused, NISENTRYVAL(0, 0, result),
+	   NISENTRYLEN (0, 0, result));
+  first_unused[NISENTRYLEN(0, 0, result)] = '\0';
+  pw->pw_name = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 1, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL(0, 1, result),
+	   NISENTRYLEN (0, 1, result));
+  first_unused[NISENTRYLEN(0, 1, result)] = '\0';
+  pw->pw_passwd = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 2, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (0, 2, result),
+	   NISENTRYLEN (0, 2, result));
+  first_unused[NISENTRYLEN(0, 2, result)] = '\0';
+  pw->pw_uid = atoi (first_unused);
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 3, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL(0, 3, result),
+	   NISENTRYLEN (0, 3, result));
+  first_unused[NISENTRYLEN(0, 3, result)] = '\0';
+  pw->pw_gid = atoi (first_unused);
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 4, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL(0, 4, result),
+	   NISENTRYLEN (0, 4, result));
+  first_unused[NISENTRYLEN(0, 4, result)] = '\0';
+  pw->pw_gecos = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 5, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (0, 5, result),
+	   NISENTRYLEN (0, 5, result));
+  first_unused[NISENTRYLEN(0, 5, result)] = '\0';
+  pw->pw_dir = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 6, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (0, 6, result),
+	   NISENTRYLEN (0, 6, result));
+  first_unused[NISENTRYLEN (0, 6, result)] = '\0';
+  pw->pw_shell = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  return 1;
+}
+
+int
+_nss_nisplus_parse_grent (nis_result *result, u_long entry,
+			  struct group *gr, char *buffer, size_t buflen)
+{
+  char *first_unused = buffer;
+  size_t room_left = buflen;
+  char *line;
+  int count;
+
+  if (result == NULL)
+    return 0;
+
+  if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
+      __type_of(result->objects.objects_val) != ENTRY_OBJ ||
+      strcmp (result->objects.objects_val[entry].EN_data.en_type,
+	      "group_tbl") != 0 ||
+      result->objects.objects_val[entry].EN_data.en_cols.en_cols_len < 4)
+    return 0;
+
+  if (NISENTRYLEN (entry, 0, result) >= room_left)
+    {
+      /* The line is too long for our buffer.  */
+    no_more_room:
+      __set_errno (ERANGE);
+      return 0;
+    }
+
+  strncpy (first_unused, NISENTRYVAL (entry, 0, result),
+	   NISENTRYLEN (entry, 0, result));
+  first_unused[NISENTRYLEN (entry, 0, result)] = '\0';
+  gr->gr_name = first_unused;
+  room_left -= (strlen (first_unused) + 1);
+  first_unused += strlen (first_unused) + 1;
+
+  if (NISENTRYLEN (entry, 1, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (entry, 1, result),
+	   NISENTRYLEN (entry, 1, result));
+  first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
+  gr->gr_passwd = first_unused;
+  room_left -= (strlen (first_unused) + 1);
+  first_unused += strlen (first_unused) + 1;
+
+  if (NISENTRYLEN (entry, 2, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (entry, 2, result),
+	   NISENTRYLEN (entry, 2, result));
+  first_unused[NISENTRYLEN (entry, 2, result)] = '\0';
+  gr->gr_gid = atoi (first_unused);
+  room_left -= (strlen (first_unused) + 1);
+  first_unused += strlen (first_unused) + 1;
+
+  if (NISENTRYLEN (entry, 3, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (entry, 3, result),
+	   NISENTRYLEN (entry, 3, result));
+  first_unused[NISENTRYLEN (entry, 3, result)] = '\0';
+  line = first_unused;
+  room_left -= (strlen (line) + 1);
+  first_unused += strlen (line) + 1;
+  /* Adjust the pointer so it is aligned for
+     storing pointers.  */
+  first_unused += __alignof__ (char *) - 1;
+  first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
+  gr->gr_mem = (char **) first_unused;
+
+  count = 0;
+  while (*line != '\0')
+    {
+      /* Skip leading blanks.  */
+      while (isspace (*line))
+	++line;
+
+      if (*line == '\0')
+	break;
+
+      if (room_left < sizeof (char *))
+	  goto no_more_room;
+      room_left -= sizeof (char *);
+      gr->gr_mem[count] = line;
+
+      while (*line != '\0' && *line != ',' && !isspace(*line))
+	++line;
+
+      if (line != gr->gr_mem[count])
+	{
+	  if (*line != '\0')
+	    {
+	      *line = '\0';
+	      ++line;
+	    }
+	  ++count;
+	}
+      else
+	gr->gr_mem[count] = NULL;
+    }
+  if (room_left < sizeof (char *))
+      goto no_more_room;
+  room_left -= sizeof (char *);
+  gr->gr_mem[count] = NULL;
+
+  return 1;
+}
+
+int
+_nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
+			  char *buffer, size_t buflen)
+{
+  char *first_unused = buffer;
+  size_t room_left = buflen;
+  
+  if (result == NULL)
+    return 0;
+
+  if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
+      result->objects.objects_len != 1 ||
+      __type_of(result->objects.objects_val) != ENTRY_OBJ ||
+      strcmp (result->objects.objects_val->EN_data.en_type,
+	      "passwd_tbl") != 0 ||
+      result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 8)
+    return 0;
+
+  if (NISENTRYLEN(0, 0, result) >= room_left)
+    {
+      /* The line is too long for our buffer.  */
+    no_more_room:
+      __set_errno (ERANGE);
+      return 0;
+    }
+
+  strncpy (first_unused, NISENTRYVAL (0, 0, result),
+	   NISENTRYLEN (0, 0, result));
+  first_unused[NISENTRYLEN(0, 0, result)] = '\0';
+  sp->sp_namp = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  if (NISENTRYLEN(0, 1, result) >= room_left)
+    goto no_more_room;
+
+  strncpy (first_unused, NISENTRYVAL (0, 1, result),
+	   NISENTRYLEN (0, 1, result));
+  first_unused[NISENTRYLEN(0, 1, result)] = '\0';
+  sp->sp_pwdp = first_unused;
+  room_left -= (strlen (first_unused) +1);
+  first_unused += strlen (first_unused) +1;
+
+  sp->sp_lstchg = sp->sp_min = sp->sp_max = sp->sp_warn = sp->sp_inact =
+    sp->sp_expire = sp->sp_flag = -1;
+
+  if (NISENTRYLEN (0, 7, result) > 0)
+    {
+      char *line, *cp;
+
+      line = NISENTRYVAL (0, 7, result);
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_lstchg = atol (line);
+
+      line = cp;
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_min = atol(line);
+
+      line = cp;
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_max = atol(line);
+
+      line = cp;
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_warn = atol(line);
+
+      line = cp;
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_inact = atol(line);
+
+      line = cp;
+      cp = strchr (line, ':');
+      if (cp == NULL)
+	return 0;
+      *cp++ = '\0';
+      sp->sp_expire = atol(line);
+
+      line = cp;
+      if (line == NULL)
+	return 0;
+      sp->sp_flag = atol(line);
+    }
+
+  return 1;
+}