diff options
Diffstat (limited to 'glibc-compat/nss_nis/nis-alias.c')
-rw-r--r-- | glibc-compat/nss_nis/nis-alias.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/glibc-compat/nss_nis/nis-alias.c b/glibc-compat/nss_nis/nis-alias.c deleted file mode 100644 index 14149699d3..0000000000 --- a/glibc-compat/nss_nis/nis-alias.c +++ /dev/null @@ -1,278 +0,0 @@ -/* Copyright (C) 1996, 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. - - 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 <ctype.h> -#include <errno.h> -#include <string.h> -#include <glibc-compat/include/aliases.h> -#include <bits/libc-lock.h> -#include <rpcsvc/yp.h> -#include <rpcsvc/ypclnt.h> - -#include "nss-nis.h" - -__libc_lock_define_initialized (static, lock) - -static bool_t new_start = 1; -static char *oldkey = NULL; -static int oldkeylen = 0; - -static int -_nss_nis_parse_aliasent (const char *key, char *alias, struct aliasent *result, - char *buffer, size_t buflen) -{ - char *first_unused = buffer + strlen (alias) + 1; - size_t room_left = - buflen - (buflen % __alignof__ (char *)) - strlen (alias) - 2; - char *line; - char *cp; - - result->alias_members_len = 0; - *first_unused = '\0'; - first_unused++; - strcpy (first_unused, key); - - if (first_unused[room_left - 1] != '\0') - { - /* The line is too long for our buffer. */ - no_more_room: - __set_errno (ERANGE); - return -1; - } - - result->alias_name = first_unused; - - /* Terminate the line for any case. */ - cp = strpbrk (alias, "#\n"); - if (cp != NULL) - *cp = '\0'; - - first_unused += strlen (result->alias_name) + 1; - /* Adjust the pointer so it is aligned for - storing pointers. */ - first_unused += __alignof__ (char *) - 1; - first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *)); - result->alias_members = (char **) first_unused; - - line = alias; - - 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 *); - result->alias_members[result->alias_members_len] = line; - - while (*line != '\0' && *line != ',') - line++; - - if (line != result->alias_members[result->alias_members_len]) - { - *line = '\0'; - line++; - result->alias_members_len++; - } - } - return result->alias_members_len == 0 ? 0 : 1; -} - -enum nss_status -_nss_nis_setaliasent (void) -{ - __libc_lock_lock (lock); - - new_start = 1; - if (oldkey != NULL) - { - free (oldkey); - oldkey = NULL; - oldkeylen = 0; - } - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; -} - -enum nss_status -_nss_nis_endaliasent (void) -{ - __libc_lock_lock (lock); - - new_start = 1; - if (oldkey != NULL) - { - free (oldkey); - oldkey = NULL; - oldkeylen = 0; - } - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; -} - -static enum nss_status -internal_nis_getaliasent_r (struct aliasent *alias, char *buffer, - size_t buflen) -{ - char *domain; - char *result; - int len; - char *outkey; - int keylen; - char *p; - int parse_res; - - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - - alias->alias_local = 0; - - /* Get the next entry until we found a correct one. */ - do - { - enum nss_status retval; - - if (new_start) - retval = yperr2nss (yp_first (domain, "mail.aliases", - &outkey, &keylen, &result, &len)); - else - retval = yperr2nss ( yp_next (domain, "mail.aliases", oldkey, - oldkeylen, &outkey, &keylen, - &result, &len)); - if (retval != NSS_STATUS_SUCCESS) - { - if (retval == NSS_STATUS_TRYAGAIN) - __set_errno (EAGAIN); - return retval; - } - - if ((size_t) (len + 1) > buflen) - { - free (result); - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - p = strncpy (buffer, result, len); - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - parse_res = _nss_nis_parse_aliasent (outkey, p, alias, buffer, buflen); - if (parse_res == -1) - { - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - - free (oldkey); - oldkey = outkey; - oldkeylen = keylen; - new_start = 0; - } - while (!parse_res); - - return NSS_STATUS_SUCCESS; -} - -enum nss_status -_nss_nis_getaliasent_r (struct aliasent *alias, char *buffer, size_t buflen) -{ - enum nss_status status; - - __libc_lock_lock (lock); - - status = internal_nis_getaliasent_r (alias, buffer, buflen); - - __libc_lock_unlock (lock); - - return status; -} - -enum nss_status -_nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias, - char *buffer, size_t buflen) -{ - enum nss_status retval; - int parse_res; - char *domain; - char *result; - int len; - char *p; - size_t namlen = strlen (name); - char name2[namlen + 1]; - int i; - - if (name == NULL) - { - __set_errno (EINVAL); - return NSS_STATUS_UNAVAIL; - } - - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - - /* Convert name to lowercase. */ - for (i = 0; i < namlen; ++i) - name2[i] = tolower (name[i]); - name2[i] = '\0'; - - retval = yperr2nss (yp_match (domain, "mail.aliases", name, namlen, - &result, &len)); - - if (retval != NSS_STATUS_SUCCESS) - { - if (retval == NSS_STATUS_TRYAGAIN) - __set_errno (EAGAIN); - return retval; - } - - if ((size_t) (len + 1) > buflen) - { - free (result); - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - - p = strncpy (buffer, result, len); - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - alias->alias_local = 0; - parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen); - if (parse_res == -1) - return NSS_STATUS_TRYAGAIN; - else - if (parse_res == 0) - return NSS_STATUS_NOTFOUND; - else - return NSS_STATUS_SUCCESS; -} |