diff options
Diffstat (limited to 'nis/nss_nis/nis-ethers.c')
| -rw-r--r-- | nis/nss_nis/nis-ethers.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/nis/nss_nis/nis-ethers.c b/nis/nss_nis/nis-ethers.c deleted file mode 100644 index c7441ff6b5..0000000000 --- a/nis/nss_nis/nis-ethers.c +++ /dev/null @@ -1,292 +0,0 @@ -/* Copyright (C) 1996-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Thorsten Kukuk <kukuk@suse.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 <libc-lock.h> -#include <rpcsvc/yp.h> -#include <rpcsvc/ypclnt.h> -#include <netinet/ether.h> -#include <netinet/if_ether.h> - -#include "nss-nis.h" - -/* Protect global state against multiple changers */ -__libc_lock_define_initialized (static, lock) - -/* Get the declaration of the parser function. */ -#define ENTNAME etherent -#define STRUCTURE etherent -#define EXTERN_PARSER -#include <nss/nss_files/files-parse.c> - -struct response -{ - struct response *next; - char val[0]; -}; - -static struct response *start; -static struct response *next; - -static int -saveit (int instatus, char *inkey, int inkeylen, char *inval, - int invallen, char *indata) -{ - if (instatus != YP_TRUE) - return 1; - - if (inkey && inkeylen > 0 && inval && invallen > 0) - { - struct response *newp = malloc (sizeof (struct response) + invallen + 1); - if (newp == NULL) - return 1; /* We have no error code for out of memory */ - - if (start == NULL) - start = newp; - else - next->next = newp; - next = newp; - - newp->next = NULL; - *((char *) mempcpy (newp->val, inval, invallen)) = '\0'; - } - - return 0; -} - -static void -internal_nis_endetherent (void) -{ - while (start != NULL) - { - next = start; - start = start->next; - free (next); - } -} - -enum nss_status -_nss_nis_endetherent (void) -{ - __libc_lock_lock (lock); - - internal_nis_endetherent (); - next = NULL; - - __libc_lock_unlock (lock); - - return NSS_STATUS_SUCCESS; -} - -static enum nss_status -internal_nis_setetherent (void) -{ - char *domainname; - struct ypall_callback ypcb; - enum nss_status status; - - yp_get_default_domain (&domainname); - - internal_nis_endetherent (); - - ypcb.foreach = saveit; - ypcb.data = NULL; - status = yperr2nss (yp_all (domainname, "ethers.byname", &ypcb)); - next = start; - - return status; -} - -enum nss_status -_nss_nis_setetherent (int stayopen) -{ - enum nss_status result; - - __libc_lock_lock (lock); - - result = internal_nis_setetherent (); - - __libc_lock_unlock (lock); - - return result; -} - -static enum nss_status -internal_nis_getetherent_r (struct etherent *eth, char *buffer, size_t buflen, - int *errnop) -{ - struct parser_data *data = (void *) buffer; - int parse_res; - - if (start == NULL) - internal_nis_setetherent (); - - /* Get the next entry until we found a correct one. */ - do - { - char *p; - - if (next == NULL) - return NSS_STATUS_NOTFOUND; - - p = strncpy (buffer, next->val, buflen); - - while (isspace (*p)) - ++p; - - parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop); - if (parse_res == -1) - return NSS_STATUS_TRYAGAIN; - next = next->next; - } - while (!parse_res); - - return NSS_STATUS_SUCCESS; -} - -enum nss_status -_nss_nis_getetherent_r (struct etherent *result, char *buffer, size_t buflen, - int *errnop) -{ - int status; - - __libc_lock_lock (lock); - - status = internal_nis_getetherent_r (result, buffer, buflen, errnop); - - __libc_lock_unlock (lock); - - return status; -} - -enum nss_status -_nss_nis_gethostton_r (const char *name, struct etherent *eth, - char *buffer, size_t buflen, int *errnop) -{ - if (name == NULL) - { - *errnop = EINVAL; - return NSS_STATUS_UNAVAIL; - } - - char *domain; - if (__glibc_unlikely (yp_get_default_domain (&domain))) - return NSS_STATUS_UNAVAIL; - - char *result; - int len; - int yperr = yp_match (domain, "ethers.byname", name, strlen (name), &result, - &len); - - 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 + 1) > buflen)) - { - free (result); - *errnop = ERANGE; - return NSS_STATUS_TRYAGAIN; - } - - char *p = strncpy (buffer, result, len); - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - int parse_res = _nss_files_parse_etherent (p, eth, (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; -} - -enum nss_status -_nss_nis_getntohost_r (const struct ether_addr *addr, struct etherent *eth, - char *buffer, size_t buflen, int *errnop) -{ - if (addr == NULL) - { - *errnop = EINVAL; - return NSS_STATUS_UNAVAIL; - } - - char *domain; - if (__glibc_unlikely (yp_get_default_domain (&domain))) - return NSS_STATUS_UNAVAIL; - - char buf[33]; - int nlen = snprintf (buf, sizeof (buf), "%x:%x:%x:%x:%x:%x", - (int) addr->ether_addr_octet[0], - (int) addr->ether_addr_octet[1], - (int) addr->ether_addr_octet[2], - (int) addr->ether_addr_octet[3], - (int) addr->ether_addr_octet[4], - (int) addr->ether_addr_octet[5]); - - char *result; - int len; - int yperr = yp_match (domain, "ethers.byaddr", buf, nlen, &result, &len); - - 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 + 1) > buflen)) - { - free (result); - *errnop = ERANGE; - return NSS_STATUS_TRYAGAIN; - } - - char *p = strncpy (buffer, result, len); - buffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - int parse_res = _nss_files_parse_etherent (p, eth, (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; -} |