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- /*
- Unix SMB/Netbios implementation.
- Version 1.9.
- NBT netbios routines and daemon - version 2
- Copyright (C) Jeremy Allison 1994-1998
-
- 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 2 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Revision History:
-
- Handle lmhosts file reading.
-
- */
-
- #include "includes.h"
-
- extern int DEBUGLEVEL;
-
- /****************************************************************************
- Load a lmhosts file.
- ****************************************************************************/
- void load_lmhosts_file(char *fname)
- {
- pstring name;
- int name_type;
- struct in_addr ipaddr;
- FILE *fp = startlmhosts( fname );
-
- if (!fp) {
- DEBUG(2,("load_lmhosts_file: Can't open lmhosts file %s. Error was %s\n",
- fname, strerror(errno)));
- return;
- }
-
- while (getlmhostsent(fp, name, &name_type, &ipaddr) )
- {
- struct subnet_record *subrec = NULL;
- enum name_source source = LMHOSTS_NAME;
-
- /* We find a relevent subnet to put this entry on, then add it. */
- /* Go through all the broadcast subnets and see if the mask matches. */
- for (subrec = FIRST_SUBNET; subrec ; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
- {
- if(same_net(ipaddr, subrec->bcast_ip, subrec->mask_ip))
- break;
- }
-
- /* If none match add the name to the remote_broadcast_subnet. */
- if(subrec == NULL)
- subrec = remote_broadcast_subnet;
-
- if(name_type == -1)
- {
- /* Add the (0) and (0x20) names directly into the namelist for this subnet. */
- add_name_to_subnet(subrec,name,0x00,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
- add_name_to_subnet(subrec,name,0x20,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
- }
- else
- {
- /* Add the given name type to the subnet namelist. */
- add_name_to_subnet(subrec,name,name_type,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
- }
- }
-
- endlmhosts(fp);
- }
-
- /****************************************************************************
- Find a name read from the lmhosts file. We secretly check the names on
- the remote_broadcast_subnet as if the name was added to a regular broadcast
- subnet it will be found by normal name query processing.
- ****************************************************************************/
-
- BOOL find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp)
- {
- struct name_record *namerec;
-
- *namerecp = NULL;
-
- if((namerec = find_name_on_subnet(remote_broadcast_subnet, nmbname,
- FIND_ANY_NAME))==NULL)
- return False;
-
- if(!NAME_IS_ACTIVE(namerec) || (namerec->source != LMHOSTS_NAME))
- return False;
-
- *namerecp = namerec;
- return True;
- }
-