diff options
Diffstat (limited to 'nis/nss_nis/nis-spwd.c')
| -rw-r--r-- | nis/nss_nis/nis-spwd.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/nis/nss_nis/nis-spwd.c b/nis/nss_nis/nis-spwd.c deleted file mode 100644 index 9790dd4104..0000000000 --- a/nis/nss_nis/nis-spwd.c +++ /dev/null @@ -1,235 +0,0 @@ -/* Copyright (C) 1996-2020 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <nss.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <shadow.h> -#include <libc-lock.h> -#include <rpcsvc/yp.h> -#include <rpcsvc/ypclnt.h> -#include <netdb.h> - -#include "nss-nis.h" -#include <libnsl.h> - -/* Get the declaration of the parser function. */ -#define ENTNAME spent -#define STRUCTURE spwd -#define EXTERN_PARSER -#include <nss/nss_files/files-parse.c> - -/* Protect global state against multiple changers */ -__libc_lock_define_initialized (static, lock) - -static bool new_start = true; -static bool ent_adjunct_used; -static char *oldkey; -static int oldkeylen; - -enum nss_status -_nss_nis_setspent (int stayopen) -{ - return _nss_nis_endspent (); -} - -enum nss_status -_nss_nis_endspent (void) -{ - __libc_lock_lock (lock); - - new_start = true; - ent_adjunct_used = false; - free (oldkey); - oldkey = NULL; - oldkeylen = 0; - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; -} -libnss_nis_hidden_def (_nss_nis_endspent) - -static enum nss_status -internal_nis_getspent_r (struct spwd *sp, char *buffer, size_t buflen, - int *errnop) -{ - char *domain; - if (__glibc_unlikely (yp_get_default_domain (&domain))) - return NSS_STATUS_UNAVAIL; - - /* Get the next entry until we found a correct one. */ - int parse_res; - do - { - char *result; - char *outkey; - int len; - int keylen; - int yperr; - - if (new_start) - { - yperr = yp_first (domain, "shadow.byname", &outkey, &keylen, &result, - &len); - if (__builtin_expect (yperr == YPERR_MAP, 0) - && (_nsl_default_nss () & NSS_FLAG_ADJUNCT_AS_SHADOW)) - { - free (result); - yperr = yp_first (domain, "passwd.adjunct.byname", &outkey, - &keylen, &result, &len); - ent_adjunct_used = true; - } - } - else - yperr = yp_next (domain, (ent_adjunct_used - ? "passwd.adjunct.byname" : "shadow.byname"), - oldkey, oldkeylen, &outkey, &keylen, &result, &len); - - if (__glibc_unlikely (yperr != YPERR_SUCCESS)) - { - enum nss_status retval = yperr2nss (yperr); - - if (retval == NSS_STATUS_TRYAGAIN) - *errnop = errno; - return retval; - } - - if (__builtin_expect ((size_t) (len + (ent_adjunct_used ? 3 : 1)) - > buflen, 0)) - { - free (result); - *errnop = ERANGE; - return NSS_STATUS_TRYAGAIN; - } - - char *p = strncpy (buffer, result, len); - if (ent_adjunct_used) - /* This is an ugly trick. The format of passwd.adjunct.byname almost - matches the shadow.byname format except that the last two fields - are missing. Synthesize them by marking them empty. */ - strcpy (&buffer[len], "::"); - else - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - parse_res = _nss_files_parse_spent (p, sp, (void *) buffer, buflen, - errnop); - if (__builtin_expect (parse_res == -1, 0)) - { - free (outkey); - *errnop = ERANGE; - return NSS_STATUS_TRYAGAIN; - } - - free (oldkey); - oldkey = outkey; - oldkeylen = keylen; - new_start = false; - } - while (!parse_res); - - return NSS_STATUS_SUCCESS; -} - -enum nss_status -_nss_nis_getspent_r (struct spwd *result, char *buffer, size_t buflen, - int *errnop) -{ - int status; - - __libc_lock_lock (lock); - - status = internal_nis_getspent_r (result, buffer, buflen, errnop); - - __libc_lock_unlock (lock); - - return status; -} - -enum nss_status -_nss_nis_getspnam_r (const char *name, struct spwd *sp, - char *buffer, size_t buflen, int *errnop) -{ - if (name == NULL) - { - *errnop = EINVAL; - return NSS_STATUS_UNAVAIL; - } - const size_t name_len = strlen (name); - - char *domain; - if (__glibc_unlikely (yp_get_default_domain (&domain))) - return NSS_STATUS_UNAVAIL; - - bool adjunct_used = false; - char *result; - int len; - int yperr = yp_match (domain, "shadow.byname", name, name_len, &result, - &len); - if (__builtin_expect (yperr == YPERR_MAP, 0) - && (_nsl_default_nss () & NSS_FLAG_ADJUNCT_AS_SHADOW)) - { - free (result); - yperr = yp_match (domain, "passwd.adjunct.byname", name, name_len, - &result, &len); - adjunct_used = true; - } - - if (__glibc_unlikely (yperr != YPERR_SUCCESS)) - { - enum nss_status retval = yperr2nss (yperr); - - if (retval == NSS_STATUS_TRYAGAIN) - *errnop = errno; - return retval; - } - - if (__glibc_unlikely ((size_t) (len + (adjunct_used ? 3 : 1)) > buflen)) - { - free (result); - *errnop = ERANGE; - return NSS_STATUS_TRYAGAIN; - } - - char *p = strncpy (buffer, result, len); - if (__builtin_expect (adjunct_used, false)) - /* This is an ugly trick. The format of passwd.adjunct.byname almost - matches the shadow.byname format except that the last two fields - are missing. Synthesize them by marking them empty. */ - strcpy (&buffer[len], "::"); - else - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - int parse_res = _nss_files_parse_spent (p, sp, (void *) buffer, buflen, - errnop); - if (__glibc_unlikely (parse_res < 1)) - { - if (parse_res == -1) - return NSS_STATUS_TRYAGAIN; - else - return NSS_STATUS_NOTFOUND; - } - return NSS_STATUS_SUCCESS; -} |