2 Unix SMB/Netbios implementation.
4 NBT netbios routines and daemon - version 2
5 Copyright (C) Jeremy Allison 1994-1997
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 Handle lmhosts file reading.
29 extern int DEBUGLEVEL;
31 /****************************************************************************
33 ****************************************************************************/
34 void load_lmhosts_file(char *fname)
36 FILE *fp = fopen(fname,"r");
39 DEBUG(2,("load_lmhosts_file: Can't open lmhosts file %s. Error was %s\n",
40 fname, strerror(errno)));
46 pstring ip,name,flags,extra;
47 struct subnet_record *subrec = NULL;
50 struct in_addr ipaddr;
51 enum name_source source = LMHOSTS_NAME;
54 if (!fgets_slash(line,sizeof(pstring),fp))
66 if (next_token(&ptr,ip ,NULL))
68 if (next_token(&ptr,name ,NULL))
70 if (next_token(&ptr,flags,NULL))
72 if (next_token(&ptr,extra,NULL))
78 if (count > 0 && count < 2)
80 DEBUG(0,("load_lmhosts_file: Ill formed hosts line [%s]\n",line));
86 DEBUG(0,("load_lmhosts_file: too many columns in lmhosts file %s (obsolete syntax)\n",
91 DEBUG(4, ("load_lmhosts_file: lmhost entry: %s %s %s\n", ip, name, flags));
93 if (strchr(flags,'G') || strchr(flags,'S'))
95 DEBUG(0,("load_lmhosts_file: group flag in %s ignored (obsolete)\n",fname));
99 ipaddr = *interpret_addr2(ip);
101 /* Extra feature. If the name ends in '#XX', where XX is a hex number,
102 then only add that name type. */
103 if((ptr = strchr(name, '#')) != NULL)
108 name_type = (int)strtol(ptr, &endptr,0);
110 if(!*ptr || (endptr == ptr))
112 DEBUG(0,("load_lmhosts_file: invalid name %s containing '#'.\n", name));
116 *(--ptr) = '\0'; /* Truncate at the '#' */
119 /* We find a relevent subnet to put this entry on, then add it. */
120 /* Go through all the broadcast subnets and see if the mask matches. */
121 for (subrec = FIRST_SUBNET; subrec ; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
123 if(same_net(ipaddr, subrec->bcast_ip, subrec->mask_ip))
127 /* If none match add the name to the remote_broadcast_subnet. */
129 subrec = remote_broadcast_subnet;
133 /* Add the (0) and (0x20) names directly into the namelist for this subnet. */
134 add_name_to_subnet(subrec,name,0x00,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
135 add_name_to_subnet(subrec,name,0x20,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
139 /* Add the given name type to the subnet namelist. */
140 add_name_to_subnet(subrec,name,name_type,(uint16)NB_ACTIVE,PERMANENT_TTL,source,1,&ipaddr);
147 /****************************************************************************
148 Find a name read from the lmhosts file. We secretly check the names on
149 the remote_broadcast_subnet as if the name was added to a regular broadcast
150 subnet it will be found by normal name query processing.
151 ****************************************************************************/
153 BOOL find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp)
155 struct name_record *namerec;
159 if((namerec = find_name_on_subnet(remote_broadcast_subnet, nmbname,
160 FIND_ANY_NAME))==NULL)
163 if(!NAME_IS_ACTIVE(namerec) || (namerec->source != LMHOSTS_NAME))