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Diffstat (limited to 'source3/nsswitch/wins.c')
-rw-r--r--source3/nsswitch/wins.c446
1 files changed, 0 insertions, 446 deletions
diff --git a/source3/nsswitch/wins.c b/source3/nsswitch/wins.c
deleted file mode 100644
index e028eb8cf2..0000000000
--- a/source3/nsswitch/wins.c
+++ /dev/null
@@ -1,446 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- a WINS nsswitch module
- Copyright (C) Andrew Tridgell 1999
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#include "includes.h"
-#ifdef HAVE_NS_API_H
-
-#include <ns_daemon.h>
-#endif
-
-#if HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
-
-#if HAVE_PTHREAD
-static pthread_mutex_t wins_nss_mutex = PTHREAD_MUTEX_INITIALIZER;
-#endif
-
-#ifndef INADDRSZ
-#define INADDRSZ 4
-#endif
-
-static int initialised;
-
-extern bool AllowDebugChange;
-
-NSS_STATUS _nss_wins_gethostbyname_r(const char *hostname, struct hostent *he,
- char *buffer, size_t buflen, int *h_errnop);
-NSS_STATUS _nss_wins_gethostbyname2_r(const char *name, int af, struct hostent *he,
- char *buffer, size_t buflen, int *h_errnop);
-
-/* Use our own create socket code so we don't recurse.... */
-
-static int wins_lookup_open_socket_in(void)
-{
- struct sockaddr_in sock;
- int val=1;
- int res;
-
- memset((char *)&sock,'\0',sizeof(sock));
-
-#ifdef HAVE_SOCK_SIN_LEN
- sock.sin_len = sizeof(sock);
-#endif
- sock.sin_port = 0;
- sock.sin_family = AF_INET;
- sock.sin_addr.s_addr = interpret_addr("0.0.0.0");
- res = socket(AF_INET, SOCK_DGRAM, 0);
- if (res == -1)
- return -1;
-
- if (setsockopt(res,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)) != 0) {
- close(res);
- return -1;
- }
-#ifdef SO_REUSEPORT
- if (setsockopt(res,SOL_SOCKET,SO_REUSEPORT,(char *)&val,sizeof(val)) != 0) {
- close(res);
- return -1;
- }
-#endif /* SO_REUSEPORT */
-
- /* now we've got a socket - we need to bind it */
-
- if (bind(res, (struct sockaddr * ) &sock,sizeof(sock)) < 0) {
- close(res);
- return(-1);
- }
-
- set_socket_options(res,"SO_BROADCAST");
-
- return res;
-}
-
-
-static void nss_wins_init(void)
-{
- initialised = 1;
- DEBUGLEVEL = 0;
- AllowDebugChange = False;
-
- TimeInit();
- setup_logging("nss_wins",False);
- load_case_tables();
- lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
- load_interfaces();
-}
-
-static struct in_addr *lookup_byname_backend(const char *name, int *count)
-{
- int fd = -1;
- struct ip_service *address = NULL;
- struct in_addr *ret = NULL;
- int j, flags = 0;
-
- if (!initialised) {
- nss_wins_init();
- }
-
- *count = 0;
-
- /* always try with wins first */
- if (NT_STATUS_IS_OK(resolve_wins(name,0x00,&address,count))) {
- if ( (ret = SMB_MALLOC_P(struct in_addr)) == NULL ) {
- free( address );
- return NULL;
- }
- if (address[0].ss.ss_family != AF_INET) {
- free(address);
- free(ret);
- return NULL;
- }
- *ret = ((struct sockaddr_in *)&address[0].ss)->sin_addr;
- free( address );
- return ret;
- }
-
- fd = wins_lookup_open_socket_in();
- if (fd == -1) {
- return NULL;
- }
-
- /* uggh, we have to broadcast to each interface in turn */
- for (j=iface_count() - 1;j >= 0;j--) {
- const struct in_addr *bcast = iface_n_bcast_v4(j);
- struct sockaddr_storage ss;
- struct sockaddr_storage *pss;
- if (!bcast) {
- continue;
- }
- in_addr_to_sockaddr_storage(&ss, *bcast);
- pss = name_query(fd,name,0x00,True,True,&ss,count, &flags, NULL);
- if (pss) {
- if ((ret = SMB_MALLOC_P(struct in_addr)) == NULL) {
- return NULL;
- }
- *ret = ((struct sockaddr_in *)pss)->sin_addr;
- break;
- }
- }
-
- close(fd);
- return ret;
-}
-
-#ifdef HAVE_NS_API_H
-
-static NODE_STATUS_STRUCT *lookup_byaddr_backend(char *addr, int *count)
-{
- int fd;
- struct sockaddr_storage ss;
- struct nmb_name nname;
- NODE_STATUS_STRUCT *status;
-
- if (!initialised) {
- nss_wins_init();
- }
-
- fd = wins_lookup_open_socket_in();
- if (fd == -1)
- return NULL;
-
- make_nmb_name(&nname, "*", 0);
- if (!interpret_string_addr(&ss, addr, AI_NUMERICHOST)) {
- return NULL;
- }
- status = node_status_query(fd, &nname, &ss, count, NULL);
-
- close(fd);
- return status;
-}
-
-/* IRIX version */
-
-int init(void)
-{
- nsd_logprintf(NSD_LOG_MIN, "entering init (wins)\n");
- nss_wins_init();
- return NSD_OK;
-}
-
-int lookup(nsd_file_t *rq)
-{
- char *map;
- char *key;
- char *addr;
- struct in_addr *ip_list;
- NODE_STATUS_STRUCT *status;
- int i, count, len, size;
- char response[1024];
- bool found = False;
-
- nsd_logprintf(NSD_LOG_MIN, "entering lookup (wins)\n");
- if (! rq)
- return NSD_ERROR;
-
- map = nsd_attr_fetch_string(rq->f_attrs, "table", (char*)0);
- if (! map) {
- rq->f_status = NS_FATAL;
- return NSD_ERROR;
- }
-
- key = nsd_attr_fetch_string(rq->f_attrs, "key", (char*)0);
- if (! key || ! *key) {
- rq->f_status = NS_FATAL;
- return NSD_ERROR;
- }
-
- response[0] = '\0';
- len = sizeof(response) - 2;
-
- /*
- * response needs to be a string of the following format
- * ip_address[ ip_address]*\tname[ alias]*
- */
- if (StrCaseCmp(map,"hosts.byaddr") == 0) {
- if ( status = lookup_byaddr_backend(key, &count)) {
- size = strlen(key) + 1;
- if (size > len) {
- free(status);
- return NSD_ERROR;
- }
- len -= size;
- strncat(response,key,size);
- strncat(response,"\t",1);
- for (i = 0; i < count; i++) {
- /* ignore group names */
- if (status[i].flags & 0x80) continue;
- if (status[i].type == 0x20) {
- size = sizeof(status[i].name) + 1;
- if (size > len) {
- free(status);
- return NSD_ERROR;
- }
- len -= size;
- strncat(response, status[i].name, size);
- strncat(response, " ", 1);
- found = True;
- }
- }
- response[strlen(response)-1] = '\n';
- free(status);
- }
- } else if (StrCaseCmp(map,"hosts.byname") == 0) {
- if (ip_list = lookup_byname_backend(key, &count)) {
- for (i = count; i ; i--) {
- addr = inet_ntoa(ip_list[i-1]);
- size = strlen(addr) + 1;
- if (size > len) {
- free(ip_list);
- return NSD_ERROR;
- }
- len -= size;
- if (i != 0)
- response[strlen(response)-1] = ' ';
- strncat(response,addr,size);
- strncat(response,"\t",1);
- }
- size = strlen(key) + 1;
- if (size > len) {
- free(ip_list);
- return NSD_ERROR;
- }
- strncat(response,key,size);
- strncat(response,"\n",1);
- found = True;
- free(ip_list);
- }
- }
-
- if (found) {
- nsd_logprintf(NSD_LOG_LOW, "lookup (wins %s) %s\n",map,response);
- nsd_set_result(rq,NS_SUCCESS,response,strlen(response),VOLATILE);
- return NSD_OK;
- }
- nsd_logprintf(NSD_LOG_LOW, "lookup (wins) not found\n");
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
-}
-
-#else
-
-/* Allocate some space from the nss static buffer. The buffer and buflen
- are the pointers passed in by the C library to the _nss_*_*
- functions. */
-
-static char *get_static(char **buffer, size_t *buflen, int len)
-{
- char *result;
-
- /* Error check. We return false if things aren't set up right, or
- there isn't enough buffer space left. */
-
- if ((buffer == NULL) || (buflen == NULL) || (*buflen < len)) {
- return NULL;
- }
-
- /* Return an index into the static buffer */
-
- result = *buffer;
- *buffer += len;
- *buflen -= len;
-
- return result;
-}
-
-/****************************************************************************
-gethostbyname() - we ignore any domain portion of the name and only
-handle names that are at most 15 characters long
- **************************************************************************/
-NSS_STATUS
-_nss_wins_gethostbyname_r(const char *hostname, struct hostent *he,
- char *buffer, size_t buflen, int *h_errnop)
-{
- NSS_STATUS nss_status = NSS_STATUS_SUCCESS;
- struct in_addr *ip_list;
- int i, count;
- fstring name;
- size_t namelen;
-
-#if HAVE_PTHREAD
- pthread_mutex_lock(&wins_nss_mutex);
-#endif
-
- memset(he, '\0', sizeof(*he));
- fstrcpy(name, hostname);
-
- /* Do lookup */
-
- ip_list = lookup_byname_backend(name, &count);
-
- if (!ip_list) {
- nss_status = NSS_STATUS_NOTFOUND;
- goto out;
- }
-
- /* Copy h_name */
-
- namelen = strlen(name) + 1;
-
- if ((he->h_name = get_static(&buffer, &buflen, namelen)) == NULL) {
- free(ip_list);
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
-
- memcpy(he->h_name, name, namelen);
-
- /* Copy h_addr_list, align to pointer boundary first */
-
- if ((i = (unsigned long)(buffer) % sizeof(char*)) != 0)
- i = sizeof(char*) - i;
-
- if (get_static(&buffer, &buflen, i) == NULL) {
- free(ip_list);
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
-
- if ((he->h_addr_list = (char **)get_static(
- &buffer, &buflen, (count + 1) * sizeof(char *))) == NULL) {
- free(ip_list);
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
-
- for (i = 0; i < count; i++) {
- if ((he->h_addr_list[i] = get_static(&buffer, &buflen,
- INADDRSZ)) == NULL) {
- free(ip_list);
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
- memcpy(he->h_addr_list[i], &ip_list[i], INADDRSZ);
- }
-
- he->h_addr_list[count] = NULL;
-
- free(ip_list);
-
- /* Set h_addr_type and h_length */
-
- he->h_addrtype = AF_INET;
- he->h_length = INADDRSZ;
-
- /* Set h_aliases */
-
- if ((i = (unsigned long)(buffer) % sizeof(char*)) != 0)
- i = sizeof(char*) - i;
-
- if (get_static(&buffer, &buflen, i) == NULL) {
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
-
- if ((he->h_aliases = (char **)get_static(
- &buffer, &buflen, sizeof(char *))) == NULL) {
- nss_status = NSS_STATUS_TRYAGAIN;
- goto out;
- }
-
- he->h_aliases[0] = NULL;
-
- nss_status = NSS_STATUS_SUCCESS;
-
- out:
-
-#if HAVE_PTHREAD
- pthread_mutex_unlock(&wins_nss_mutex);
-#endif
- return nss_status;
-}
-
-
-NSS_STATUS
-_nss_wins_gethostbyname2_r(const char *name, int af, struct hostent *he,
- char *buffer, size_t buflen, int *h_errnop)
-{
- NSS_STATUS nss_status;
-
- if(af!=AF_INET) {
- *h_errnop = NO_DATA;
- nss_status = NSS_STATUS_UNAVAIL;
- } else {
- nss_status = _nss_wins_gethostbyname_r(
- name, he, buffer, buflen, h_errnop);
- }
- return nss_status;
-}
-#endif
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