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Diffstat (limited to 'glibc-compat/nss_nis/nis-hosts.c')
-rw-r--r--glibc-compat/nss_nis/nis-hosts.c417
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;
-}
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