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Diffstat (limited to 'nis/nss_nisplus/nisplus-parser.c')
-rw-r--r--nis/nss_nisplus/nisplus-parser.c337
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;
+}
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