diff options
Diffstat (limited to 'glibc-compat/nss_nis/nis-hosts.c')
| -rw-r--r-- | glibc-compat/nss_nis/nis-hosts.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/glibc-compat/nss_nis/nis-hosts.c b/glibc-compat/nss_nis/nis-hosts.c deleted file mode 100644 index c6c413c55d..0000000000 --- a/glibc-compat/nss_nis/nis-hosts.c +++ /dev/null @@ -1,417 +0,0 @@ -/* Copyright (C) 1996, 1997, 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 <glibc-compat/include/netdb.h> -#include <string.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <resolv.h> -#include <bits/libc-lock.h> -#include <rpcsvc/yp.h> -#include <rpcsvc/ypclnt.h> - -#include "nss-nis.h" - -/* Get implementation for some internal functions. */ -#include "../../resolv/mapv4v6addr.h" -#include "../../resolv/mapv4v6hostent.h" - -#define ENTNAME hostent -#define DATABASE "hosts" -#define NEED_H_ERRNO - -#define ENTDATA hostent_data -struct hostent_data - { - unsigned char host_addr[16]; /* IPv4 or IPv6 address. */ - char *h_addr_ptrs[2]; /* Points to that and null terminator. */ - }; - -#define TRAILING_LIST_MEMBER h_aliases -#define TRAILING_LIST_SEPARATOR_P isspace -#include "../nss_files/files-parse.c" -LINE_PARSER -("#", - { - char *addr; - - STRING_FIELD (addr, isspace, 1); - - /* Parse address. */ - if ((_res.options & RES_USE_INET6) - && inet_pton (AF_INET6, addr, entdata->host_addr) > 0) - { - result->h_addrtype = AF_INET6; - result->h_length = IN6ADDRSZ; - } - else - if (inet_pton (AF_INET, addr, entdata->host_addr) > 0) - { - if (_res.options & RES_USE_INET6) - { - map_v4v6_address ((char *) entdata->host_addr, - (char *) entdata->host_addr); - result->h_addrtype = AF_INET6; - result->h_length = IN6ADDRSZ; - } - else - { - result->h_addrtype = AF_INET; - result->h_length = INADDRSZ; - } - } - else - /* Illegal address: ignore line. */ - return 0; - - /* Store a pointer to the address in the expected form. */ - entdata->h_addr_ptrs[0] = entdata->host_addr; - entdata->h_addr_ptrs[1] = NULL; - result->h_addr_list = entdata->h_addr_ptrs; - - /* If we need the host entry in IPv6 form change it now. */ - if (_res.options & RES_USE_INET6) - { - char *bufptr = data->linebuffer; - size_t buflen = (char *) data + datalen - bufptr; - int ibuflen = buflen; /* Use this for machines with size_t > int. */ - map_v4v6_hostent (result, &bufptr, &ibuflen); - buflen = ibuflen; - } - - STRING_FIELD (result->h_name, isspace, 1); - } -) - -__libc_lock_define_initialized (static, lock) - -static bool_t new_start = 1; -static char *oldkey = NULL; -static int oldkeylen = 0; - -enum nss_status -_nss_nis_sethostent (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_endhostent (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_gethostent_r (struct hostent *host, char *buffer, - size_t buflen, int *h_errnop) -{ - char *domain; - char *result; - int len, parse_res; - char *outkey; - int keylen; - struct parser_data *data = (void *) buffer; - size_t linebuflen = buffer + buflen - data->linebuffer; - - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - - if (buflen < sizeof *data + 1) - { - __set_errno (ERANGE); - *h_errnop = NETDB_INTERNAL; - return NSS_STATUS_TRYAGAIN; - } - - /* Get the next entry until we found a correct one. */ - do - { - enum nss_status retval; - char *p; - - if (new_start) - retval = yperr2nss (yp_first (domain, "hosts.byname", - &outkey, &keylen, &result, &len)); - else - retval = yperr2nss ( yp_next (domain, "hosts.byname", - oldkey, oldkeylen, - &outkey, &keylen, &result, &len)); - - if (retval != NSS_STATUS_SUCCESS) - { - switch (retval) - { - case NSS_STATUS_TRYAGAIN: - __set_errno (EAGAIN); - *h_errnop = TRY_AGAIN; - break; - case NSS_STATUS_NOTFOUND: - *h_errnop = HOST_NOT_FOUND; - break; - default: - *h_errnop = NO_RECOVERY; - break; - } - return retval; - } - - if ((size_t) (len + 1) > linebuflen) - { - free (result); - *h_errnop = NETDB_INTERNAL; - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - - p = strncpy (data->linebuffer, result, len); - data->linebuffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - parse_res = parse_line (p, host, data, buflen); - if (parse_res == -1 && errno == ERANGE) - { - *h_errnop = NETDB_INTERNAL;; - return NSS_STATUS_TRYAGAIN; - } - free (oldkey); - oldkey = outkey; - oldkeylen = keylen; - new_start = 0; - } - while (!parse_res); - - *h_errnop = NETDB_SUCCESS; - return NSS_STATUS_SUCCESS; -} - -int -_nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen, - int *h_errnop) -{ - int status; - - __libc_lock_lock (lock); - - status = internal_nis_gethostent_r (host, buffer, buflen, h_errnop); - - __libc_lock_unlock (lock); - - return status; -} - -enum nss_status -_nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, - char *buffer, size_t buflen, int *h_errnop) -{ - enum nss_status retval; - char *domain, *result, *p; - int len, parse_res; - struct parser_data *data = (void *) buffer; - size_t linebuflen = buffer + buflen - data->linebuffer; - - if (name == NULL) - { - __set_errno (EINVAL); - return NSS_STATUS_UNAVAIL; - } - - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - - if (buflen < sizeof *data + 1) - { - *h_errnop = NETDB_INTERNAL; - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - else - { - /* Convert name to lowercase. */ - size_t namelen = strlen (name); - char name2[namelen + 1]; - int i; - - for (i = 0; i < namelen; ++i) - name2[i] = tolower (name[i]); - name2[i] = '\0'; - - retval = yperr2nss (yp_match (domain, "hosts.byname", name2, - namelen, &result, &len)); - - } - - if (retval != NSS_STATUS_SUCCESS) - { - if (retval == NSS_STATUS_TRYAGAIN) - { - *h_errnop = TRY_AGAIN; - __set_errno (EAGAIN); - } - if (retval == NSS_STATUS_NOTFOUND) - *h_errnop = HOST_NOT_FOUND; - return retval; - } - - if ((size_t) (len + 1) > linebuflen) - { - free (result); - *h_errnop = NETDB_INTERNAL; - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - - p = strncpy (data->linebuffer, result, len); - data->linebuffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - parse_res = parse_line (p, host, data, buflen); - - if (parse_res == -1 && errno == ERANGE) - { - *h_errnop = NETDB_INTERNAL; - return NSS_STATUS_TRYAGAIN; - } - - if (parse_res == 0 || host->h_addrtype != af) - { - *h_errnop = HOST_NOT_FOUND; - return NSS_STATUS_NOTFOUND; - } - - *h_errnop = NETDB_SUCCESS; - return NSS_STATUS_SUCCESS; -} - -enum nss_status -_nss_nis_gethostbyname_r (const char *name, struct hostent *host, - char *buffer, size_t buflen, int *h_errnop) -{ - if (_res.options & RES_USE_INET6) - { - enum nss_status status; - - status = _nss_nis_gethostbyname2_r (name, AF_INET6, host, buffer, buflen, - h_errnop); - if (status == NSS_STATUS_SUCCESS) - return status; - } - - return _nss_nis_gethostbyname2_r (name, AF_INET, host, buffer, buflen, - h_errnop); -} - -enum nss_status -_nss_nis_gethostbyaddr_r (char *addr, int addrlen, int type, - struct hostent *host, char *buffer, size_t buflen, - int *h_errnop) -{ - enum nss_status retval; - char *domain, *result, *p; - int len, parse_res; - char *buf; - struct parser_data *data = (void *) buffer; - size_t linebuflen = buffer + buflen - data->linebuffer; - - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - - if (buflen < sizeof *data + 1) - { - __set_errno (ERANGE); - *h_errnop = NETDB_INTERNAL; - return NSS_STATUS_TRYAGAIN; - } - - buf = inet_ntoa (*(struct in_addr *) addr); - - retval = yperr2nss (yp_match (domain, "hosts.byaddr", buf, - strlen (buf), &result, &len)); - - if (retval != NSS_STATUS_SUCCESS) - { - if (retval == NSS_STATUS_TRYAGAIN) - { - *h_errnop = TRY_AGAIN; - __set_errno (EAGAIN); - } - if (retval == NSS_STATUS_NOTFOUND) - *h_errnop = HOST_NOT_FOUND; - return retval; - } - - if ((size_t) (len + 1) > linebuflen) - { - free (result); - __set_errno (ERANGE); - *h_errnop = NETDB_INTERNAL; - return NSS_STATUS_TRYAGAIN; - } - - p = strncpy (data->linebuffer, result, len); - data->linebuffer[len] = '\0'; - while (isspace (*p)) - ++p; - free (result); - - parse_res = parse_line (p, host, data, buflen); - - if (parse_res == -1 && errno == ERANGE) - { - *h_errnop = NETDB_INTERNAL; - return NSS_STATUS_TRYAGAIN; - } - else if (parse_res == 0) - { - *h_errnop = HOST_NOT_FOUND; - return NSS_STATUS_NOTFOUND; - } - - *h_errnop = NETDB_SUCCESS; - return NSS_STATUS_SUCCESS; -} |