| /* 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 <nss.h> |
| #include <errno.h> |
| #include <shadow.h> |
| #include <string.h> |
| #include <libc-lock.h> |
| #include <rpcsvc/nis.h> |
| #include <rpcsvc/nislib.h> |
| |
| #include "nss-nisplus.h" |
| |
| __libc_lock_define_initialized (static, lock) |
| |
| static nis_result *result = NULL; |
| static nis_name *names = NULL; |
| |
| #define NISENTRYVAL(idx,col,res) \ |
| ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val) |
| |
| #define NISENTRYLEN(idx,col,res) \ |
| ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len) |
| |
| 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 || |
| result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ || |
| strcmp (result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type, |
| "passwd_tbl") != 0 || |
| result->objects.objects_val[0].zo_data.objdata_u.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 (NISENTRYVAL (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; |
| } |
| |
| enum nss_status |
| _nss_nisplus_setspent (void) |
| { |
| __libc_lock_lock (lock); |
| |
| if (result) |
| nis_freeresult (result); |
| result = NULL; |
| if (names) |
| { |
| nis_freenames (names); |
| names = NULL; |
| } |
| |
| __libc_lock_unlock (lock); |
| |
| return NSS_STATUS_SUCCESS; |
| } |
| |
| enum nss_status |
| _nss_nisplus_endspent (void) |
| { |
| __libc_lock_lock (lock); |
| |
| if (result) |
| nis_freeresult (result); |
| result = NULL; |
| if (names) |
| { |
| nis_freenames (names); |
| names = NULL; |
| } |
| |
| __libc_lock_unlock (lock); |
| |
| return NSS_STATUS_SUCCESS; |
| } |
| |
| static enum nss_status |
| internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen) |
| { |
| int parse_res; |
| |
| /* Get the next entry until we found a correct one. */ |
| do |
| { |
| if (result == NULL) |
| { |
| names = nis_getnames ("passwd.org_dir"); |
| if (names == NULL || names[0] == NULL) |
| return NSS_STATUS_UNAVAIL; |
| |
| result = nis_first_entry (names[0]); |
| if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) |
| return niserr2nss (result->status); |
| } |
| else |
| { |
| nis_result *res; |
| |
| res = nis_next_entry (names[0], &result->cookie); |
| nis_freeresult (result); |
| result = res; |
| if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) |
| return niserr2nss (result->status); |
| } |
| |
| parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen); |
| } while (!parse_res); |
| |
| return NSS_STATUS_SUCCESS; |
| } |
| |
| enum nss_status |
| _nss_nisplus_getspent_r (struct spwd *result, char *buffer, size_t buflen) |
| { |
| int status; |
| |
| __libc_lock_lock (lock); |
| |
| status = internal_nisplus_getspent_r (result, buffer, buflen); |
| |
| __libc_lock_unlock (lock); |
| |
| return status; |
| } |
| |
| enum nss_status |
| _nss_nisplus_getspnam_r (const char *name, struct spwd *sp, |
| char *buffer, size_t buflen) |
| { |
| int parse_res; |
| |
| if (name == NULL || strlen (name) > 8) |
| return NSS_STATUS_NOTFOUND; |
| else |
| { |
| nis_result *result; |
| char buf[strlen (name) + 24]; |
| |
| sprintf (buf, "[name=%s],passwd.org_dir", name); |
| |
| result = nis_list (buf, EXPAND_NAME, NULL, NULL); |
| |
| if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) |
| { |
| enum nss_status status = niserr2nss (result->status); |
| |
| nis_freeresult (result); |
| return status; |
| } |
| |
| parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen); |
| |
| nis_freeresult (result); |
| |
| if (parse_res) |
| return NSS_STATUS_SUCCESS; |
| |
| if (!parse_res && errno == ERANGE) |
| return NSS_STATUS_TRYAGAIN; |
| else |
| return NSS_STATUS_NOTFOUND; |
| } |
| } |