diff options
Diffstat (limited to 'source3/namedbsubnet.c')
| -rw-r--r-- | source3/namedbsubnet.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/source3/namedbsubnet.c b/source3/namedbsubnet.c index 144729e1e1..25c369ab1c 100644 --- a/source3/namedbsubnet.c +++ b/source3/namedbsubnet.c @@ -2,7 +2,7 @@ Unix SMB/Netbios implementation. Version 1.9. NBT netbios routines and daemon - version 2 - Copyright (C) Andrew Tridgell 1994-1996 + Copyright (C) Andrew Tridgell 1994-1997 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 @@ -50,6 +50,10 @@ extern struct interface *local_interfaces; /* this is our domain/workgroup/server database */ struct subnet_record *subnetlist = NULL; +/* WINS subnet - keep this separate so enumeration code doesn't + run onto it by mistake. */ +struct subnet_record *wins_subnet = 0; + extern uint16 nb_type; /* samba's NetBIOS name type */ /* Forward references. */ @@ -81,32 +85,19 @@ static void add_subnet(struct subnet_record *d) /**************************************************************************** - find a subnet in the subnetlist + find a subnet in the subnetlist - not including WINS. **************************************************************************/ struct subnet_record *find_subnet(struct in_addr bcast_ip) { struct subnet_record *d; /* search through subnet list for broadcast/netmask that matches - the source ip address. a subnet 255.255.255.255 represents the - WINS list. */ + the source ip address. */ - for (d = subnetlist; d; d = d->next) + for (d = FIRST_SUBNET; d; d = NEXT_SUBNET_EXCLUDING_WINS(d)) { - if (ip_equal(bcast_ip, wins_ip)) - { - if (ip_equal(bcast_ip, d->bcast_ip)) - { - return d; - } - } - else if (same_net(bcast_ip, d->bcast_ip, d->mask_ip)) - { - if (!ip_equal(d->bcast_ip, wins_ip)) - { - return d; - } - } + if (same_net(bcast_ip, d->bcast_ip, d->mask_ip)) + return d; } return (NULL); @@ -125,8 +116,8 @@ struct subnet_record *find_req_subnet(struct in_addr ip, BOOL bcast) /* identify the subnet the broadcast request came from */ return find_subnet(*iface_bcast(ip)); } - /* find the subnet under the pseudo-ip of 255.255.255.255 */ - return find_subnet(wins_ip); + /* Return the subnet with the pseudo-ip of 255.255.255.255 */ + return wins_subnet; } /**************************************************************************** @@ -137,13 +128,13 @@ struct subnet_record *find_subnet_all(struct in_addr bcast_ip) { struct subnet_record *d = find_subnet(bcast_ip); if(!d) - return find_subnet( wins_ip); + return wins_subnet; } /**************************************************************************** create a domain entry ****************************************************************************/ -static struct subnet_record *make_subnet(struct in_addr bcast_ip, struct in_addr mask_ip) +static struct subnet_record *make_subnet(struct in_addr bcast_ip, struct in_addr mask_ip, BOOL add) { struct subnet_record *d; d = (struct subnet_record *)malloc(sizeof(*d)); @@ -159,7 +150,8 @@ static struct subnet_record *make_subnet(struct in_addr bcast_ip, struct in_addr d->mask_ip = mask_ip; d->workgrouplist = NULL; - add_subnet(d); + if(add) + add_subnet(d); return d; } @@ -179,7 +171,7 @@ void add_subnet_interfaces(void) /* add the interface into our subnet database */ if (!find_subnet(i->bcast)) { - make_subnet(i->bcast,i->nmask); + make_subnet(i->bcast,i->nmask, True); } } @@ -188,14 +180,14 @@ void add_subnet_interfaces(void) { struct in_addr wins_bcast = wins_ip; struct in_addr wins_nmask = ipzero; - make_subnet(wins_bcast, wins_nmask); + wins_subnet = make_subnet(wins_bcast, wins_nmask, False); } } /**************************************************************************** - add the default workgroup into my domain + add the default workgroup into the subnet lists. **************************************************************************/ void add_my_subnets(char *group) { @@ -212,6 +204,18 @@ void add_my_subnets(char *group) { add_subnet_entry(i->bcast,i->nmask,group, True, False); } + + /* If we are setup as a domain master browser, and are using + WINS, then we must add the workgroup to the WINS subnet. This + is used as a place to keep collated server lists. */ + + if(lp_domain_master() && (lp_wins_support() || lp_wins_server())) + if(find_workgroupstruct(wins_subnet, group, True) == 0) + DEBUG(0, ("add_my_subnets: Failed to add workgroup %s to \ +WINS subnet.\n", group)); + else + DEBUG(3,("add_my_subnets: Added workgroup %s to WINS subnet.\n", + group)); } @@ -240,7 +244,7 @@ static struct subnet_record *add_subnet_entry(struct in_addr bcast_ip, /* Note that we never add into the WINS subnet as add_subnet_entry is only called to add our local interfaces. */ if ((d = find_subnet(bcast_ip)) || - (d = make_subnet(bcast_ip, mask_ip))) + (d = make_subnet(bcast_ip, mask_ip, True))) { struct work_record *w = find_workgroupstruct(d, name, add); @@ -304,7 +308,7 @@ void write_browse_list(time_t t) return; } - for (d = subnetlist; d ; d = d->next) + for (d = FIRST_SUBNET; d ; d = NEXT_SUBNET_INCLUDING_WINS(d)) { struct work_record *work; for (work = d->workgrouplist; work ; work = work->next) |