/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
NBT netbios routines and daemon - version 2
- Copyright (C) Andrew Tridgell 1994-1997
- Copyright (C) Luke Kenneth Casson Leighton 1994-1997
- Copyright (C) Jeremy Allison 1994-1997
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1994-1998
+ Copyright (C) Jeremy Allison 1994-1998
SMB Version handling
- Copyright (C) John H Terpstra 1995-1997
+ Copyright (C) John H Terpstra 1995-1998
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
#include "includes.h"
-extern int DEBUGLEVEL;
-extern pstring myname;
-extern fstring myworkgroup;
-extern char **my_netbios_names;
extern int updatecount;
+extern BOOL found_lm_clients;
/****************************************************************************
Send a browser reset packet.
**************************************************************************/
-void send_browser_reset(int reset_type, char *to_name, int to_type, struct in_addr to_ip)
+void send_browser_reset(int reset_type, const char *to_name, int to_type, struct in_addr to_ip)
{
pstring outbuf;
char *p;
DEBUG(3,("send_browser_reset: sending reset request type %d to %s<%02x> IP %s.\n",
reset_type, to_name, to_type, inet_ntoa(to_ip) ));
- bzero(outbuf,sizeof(outbuf));
+ memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
- CVAL(p,0) = ANN_ResetBrowserState;
+ SCVAL(p,0,ANN_ResetBrowserState);
p++;
- CVAL(p,0) = reset_type;
+ SCVAL(p,0,reset_type);
p++;
send_mailslot(True, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
- myname, 0x0, to_name, to_type, to_ip, FIRST_SUBNET->myip);
+ global_myname(), 0x0, to_name, to_type, to_ip,
+ FIRST_SUBNET->myip, DGRAM_PORT);
}
/****************************************************************************
DEBUG(3,("broadcast_announce_request: sending announce request for workgroup %s \
to subnet %s\n", work->work_group, subrec->subnet_name));
- bzero(outbuf,sizeof(outbuf));
+ memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
- CVAL(p,0) = ANN_AnnouncementRequest;
+ SCVAL(p,0,ANN_AnnouncementRequest);
p++;
- CVAL(p,0) = work->token; /* (local) Unique workgroup token id. */
+ SCVAL(p,0,work->token); /* (local) Unique workgroup token id. */
p++;
- StrnCpy(p,myname,15);
- strupper(p);
- p = skip_string(p,1);
+ p += push_string(NULL, p+1, global_myname(), 15, STR_ASCII|STR_UPPER|STR_TERMINATE);
send_mailslot(False, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
- myname, 0x0, work->work_group,0x1e, subrec->bcast_ip, subrec->myip);
+ global_myname(), 0x0, work->work_group,0x1e, subrec->bcast_ip,
+ subrec->myip, DGRAM_PORT);
}
/****************************************************************************
**************************************************************************/
static void send_announcement(struct subnet_record *subrec, int announce_type,
- char *from_name, char *to_name, int to_type, struct in_addr to_ip,
+ const char *from_name, const char *to_name, int to_type, struct in_addr to_ip,
time_t announce_interval,
- char *server_name, int server_type, char *server_comment)
+ const char *server_name, int server_type, const char *server_comment)
{
pstring outbuf;
char *p;
- bzero(outbuf,sizeof(outbuf));
+ memset(outbuf,'\0',sizeof(outbuf));
p = outbuf+1;
- CVAL(outbuf,0) = announce_type;
+ SCVAL(outbuf,0,announce_type);
/* Announcement parameters. */
- CVAL(p,0) = updatecount;
+ SCVAL(p,0,updatecount);
SIVAL(p,1,announce_interval*1000); /* Milliseconds - despite the spec. */
- StrnCpy(p+5,server_name,15);
- strupper(p+5);
+ push_string(NULL, p+5, server_name, 15, STR_ASCII|STR_UPPER|STR_TERMINATE);
- CVAL(p,21) = lp_major_announce_version(); /* Major version. */
- CVAL(p,22) = lp_minor_announce_version(); /* Minor version. */
+ SCVAL(p,21,lp_major_announce_version()); /* Major version. */
+ SCVAL(p,22,lp_minor_announce_version()); /* Minor version. */
SIVAL(p,23,server_type & ~SV_TYPE_LOCAL_LIST_ONLY);
/* Browse version: got from NT/AS 4.00 - Value defined in smb.h (JHT). */
SSVAL(p,27,BROWSER_ELECTION_VERSION);
SSVAL(p,29,BROWSER_CONSTANT); /* Browse signature. */
- pstrcpy(p+31,server_comment);
- p += 31;
- p = skip_string(p,1);
+ p += 31 + push_string(NULL, p+31, server_comment, -1, STR_ASCII|STR_TERMINATE);
send_mailslot(False,BROWSE_MAILSLOT, outbuf, PTR_DIFF(p,outbuf),
- from_name, 0x0, to_name, to_type, to_ip, subrec->myip);
+ from_name, 0x0, to_name, to_type, to_ip, subrec->myip,
+ DGRAM_PORT);
+}
+
+/****************************************************************************
+ Broadcast a LanMan announcement.
+**************************************************************************/
+
+static void send_lm_announcement(struct subnet_record *subrec, int announce_type,
+ char *from_name, char *to_name, int to_type, struct in_addr to_ip,
+ time_t announce_interval,
+ char *server_name, int server_type, char *server_comment)
+{
+ pstring outbuf;
+ char *p=outbuf;
+
+ memset(outbuf,'\0',sizeof(outbuf));
+
+ SSVAL(p,0,announce_type);
+ SIVAL(p,2,server_type & ~SV_TYPE_LOCAL_LIST_ONLY);
+ SCVAL(p,6,lp_major_announce_version()); /* Major version. */
+ SCVAL(p,7,lp_minor_announce_version()); /* Minor version. */
+ SSVAL(p,8,announce_interval); /* In seconds - according to spec. */
+
+ p += 10;
+ /*StrnCpy(p,server_name,15);
+ strupper(p);
+ p = skip_string(p,1);
+ pstrcpy(p,server_comment);
+ p = skip_string(p,1);*/
+ p += push_string(NULL, p, server_name, 15, STR_ASCII|STR_UPPER|STR_TERMINATE);
+ p += push_string(NULL, p, server_comment, sizeof(pstring)-15, STR_ASCII|STR_UPPER|STR_TERMINATE);
+
+ send_mailslot(False,LANMAN_MAILSLOT, outbuf, PTR_DIFF(p,outbuf),
+ from_name, 0x0, to_name, to_type, to_ip, subrec->myip,
+ DGRAM_PORT);
}
/****************************************************************************
uint32 type = servrec->serv.type & ~SV_TYPE_LOCAL_LIST_ONLY;
DEBUG(3,("send_local_master_announcement: type %x for name %s on subnet %s for workgroup %s\n",
- type, myname, subrec->subnet_name, work->work_group));
+ type, global_myname(), subrec->subnet_name, work->work_group));
send_announcement(subrec, ANN_LocalMasterAnnouncement,
- myname, /* From nbt name. */
+ global_myname(), /* From nbt name. */
work->work_group, 0x1e, /* To nbt name. */
subrec->bcast_ip, /* To ip. */
work->announce_interval, /* Time until next announce. */
- myname, /* Name to announce. */
+ global_myname(), /* Name to announce. */
type, /* Type field. */
servrec->serv.comment);
}
subrec->subnet_name, work->work_group));
send_announcement(subrec, ANN_DomainAnnouncement,
- myname, /* From nbt name. */
+ global_myname(), /* From nbt name. */
MSBROWSE, 0x1, /* To nbt name. */
subrec->bcast_ip, /* To ip. */
work->announce_interval, /* Time until next announce. */
work->work_group, /* Name to announce. */
SV_TYPE_DOMAIN_ENUM|SV_TYPE_NT, /* workgroup announce flags. */
- myname); /* From name as comment. */
+ global_myname()); /* From name as comment. */
}
/****************************************************************************
servrec->serv.comment);
}
+/****************************************************************************
+ Announce the given LanMan host
+****************************************************************************/
+
+static void send_lm_host_announcement(struct subnet_record *subrec, struct work_record *work,
+ struct server_record *servrec, int lm_interval)
+{
+ /* Ensure we don't have the prohibited bits set. */
+ uint32 type = servrec->serv.type & ~SV_TYPE_LOCAL_LIST_ONLY;
+
+ DEBUG(3,("send_lm_host_announcement: type %x for host %s on subnet %s for workgroup %s, ttl: %d\n",
+ type, servrec->serv.name, subrec->subnet_name, work->work_group, lm_interval));
+
+ send_lm_announcement(subrec, ANN_HostAnnouncement,
+ servrec->serv.name, /* From nbt name. */
+ work->work_group, 0x00, /* To nbt name. */
+ subrec->bcast_ip, /* To ip. */
+ lm_interval, /* Time until next announce. */
+ servrec->serv.name, /* Name to announce. */
+ type, /* Type field. */
+ servrec->serv.comment);
+}
+
/****************************************************************************
Announce a server record.
****************************************************************************/
/* Only do domain announcements if we are a master and it's
our primary name we're being asked to announce. */
- if (AM_LOCAL_MASTER_BROWSER(work) && strequal(myname,servrec->serv.name))
+ if (AM_LOCAL_MASTER_BROWSER(work) && strequal(global_myname(),servrec->serv.name))
{
send_local_master_announcement(subrec, work, servrec);
send_workgroup_announcement(subrec, work);
for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
{
- struct work_record *work = find_workgroup_on_subnet(subrec, myworkgroup);
+ struct work_record *work = find_workgroup_on_subnet(subrec, lp_workgroup());
if(work)
{
} /* for subrec */
}
+/****************************************************************************
+ Go through all my registered names on all broadcast subnets and announce
+ them as a LanMan server if the timeout requires it.
+**************************************************************************/
+
+void announce_my_lm_server_names(time_t t)
+{
+ struct subnet_record *subrec;
+ static time_t last_lm_announce_time=0;
+ int announce_interval = lp_lm_interval();
+ int lm_announce = lp_lm_announce();
+
+ if ((announce_interval <= 0) || (lm_announce <= 0))
+ {
+ /* user absolutely does not want LM announcements to be sent. */
+ return;
+ }
+
+ if ((lm_announce >= 2) && (!found_lm_clients))
+ {
+ /* has been set to 2 (Auto) but no LM clients detected (yet). */
+ return;
+ }
+
+ /* Otherwise: must have been set to 1 (Yes), or LM clients *have*
+ been detected. */
+
+ for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
+ {
+ struct work_record *work = find_workgroup_on_subnet(subrec, lp_workgroup());
+
+ if(work)
+ {
+ struct server_record *servrec;
+
+ if (last_lm_announce_time && ((t - last_lm_announce_time) < announce_interval ))
+ continue;
+
+ last_lm_announce_time = t;
+
+ for (servrec = work->serverlist; servrec; servrec = servrec->next)
+ {
+ if (is_myname(servrec->serv.name))
+ /* skipping equivalent of announce_server() */
+ send_lm_host_announcement(subrec, work, servrec, announce_interval);
+ }
+ } /* if work */
+ } /* for subrec */
+}
+
/* Announce timer. Moved into global static so it can be reset
when a machine becomes a local master browser. */
static time_t announce_timer_last=0;
immediately.
****************************************************************************/
-void reset_announce_timer()
+void reset_announce_timer(void)
{
announce_timer_last = time(NULL) - (CHECK_TIME_MST_ANNOUNCE * 60);
}
if ((t-announce_timer_last) < (CHECK_TIME_MST_ANNOUNCE * 60))
{
DEBUG(10,("announce_myself_to_domain_master_browser: t (%d) - last(%d) < %d\n",
- t, announce_timer_last, CHECK_TIME_MST_ANNOUNCE * 60 ));
+ (int)t, (int)announce_timer_last,
+ CHECK_TIME_MST_ANNOUNCE * 60 ));
return;
}
void announce_my_servers_removed(void)
{
+ int announce_interval = lp_lm_interval();
+ int lm_announce = lp_lm_announce();
struct subnet_record *subrec;
+
for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec))
{
struct work_record *work;
if(AM_LOCAL_MASTER_BROWSER(work))
send_local_master_announcement(subrec, work, servrec);
send_host_announcement(subrec, work, servrec);
+
+
+ if ((announce_interval <= 0) || (lm_announce <= 0))
+ {
+ /* user absolutely does not want LM announcements to be sent. */
+ continue;
+ }
+
+ if ((lm_announce >= 2) && (!found_lm_clients))
+ {
+ /* has been set to 2 (Auto) but no LM clients detected (yet). */
+ continue;
+ }
+
+ /*
+ * lm announce was set or we have seen lm announcements, so do
+ * a lm announcement of host removed.
+ */
+
+ send_lm_host_announcement(subrec, work, servrec, 0);
}
}
}
void announce_remote(time_t t)
{
- char *s,*ptr;
+ char *s;
+ const char *ptr;
static time_t last_time = 0;
pstring s2;
struct in_addr addr;
if (!*s)
return;
- comment = lp_serverstring();
+ comment = string_truncate(lp_serverstring(), MAX_SERVER_STRING_LENGTH);
- for (ptr=s; next_token(&ptr,s2,NULL); )
+ for (ptr=s; next_token(&ptr,s2,NULL,sizeof(s2)); )
{
/* The entries are of the form a.b.c.d/WORKGROUP with
WORKGROUP being optional */
- char *wgroup;
+ const char *wgroup;
+ char *pwgroup;
int i;
- wgroup = strchr(s2,'/');
- if (wgroup)
- *wgroup++ = 0;
- if (!wgroup || !*wgroup)
- wgroup = myworkgroup;
+ pwgroup = strchr_m(s2,'/');
+ if (pwgroup)
+ *pwgroup++ = 0;
+ if (!pwgroup || !*pwgroup)
+ wgroup = lp_workgroup();
+ else
+ wgroup = pwgroup;
addr = *interpret_addr2(s2);
/* Give the ip address as the address of our first
broadcast subnet. */
- for(i=0; my_netbios_names[i]; i++)
+ for(i=0; my_netbios_names(i); i++)
{
- char *name = my_netbios_names[i];
+ const char *name = my_netbios_names(i);
DEBUG(5,("announce_remote: Doing remote announce for server %s to IP %s.\n",
name, inet_ntoa(addr) ));
send_announcement(FIRST_SUBNET, ANN_HostAnnouncement,
name, /* From nbt name. */
- wgroup, 0x1e, /* To nbt name. */
+ wgroup, 0x1d, /* To nbt name. */
addr, /* To ip. */
REMOTE_ANNOUNCE_INTERVAL, /* Time until next announce. */
name, /* Name to announce. */
void browse_sync_remote(time_t t)
{
- char *s,*ptr;
+ char *s;
+ const char *ptr;
static time_t last_time = 0;
pstring s2;
struct in_addr addr;
struct work_record *work;
pstring outbuf;
char *p;
+ fstring myname;
if (last_time && (t < (last_time + REMOTE_ANNOUNCE_INTERVAL)))
return;
* for our workgroup on the firsst subnet.
*/
- if((work = find_workgroup_on_subnet(FIRST_SUBNET, myworkgroup)) == NULL)
+ if((work = find_workgroup_on_subnet(FIRST_SUBNET, lp_workgroup())) == NULL)
{
DEBUG(0,("browse_sync_remote: Cannot find workgroup %s on subnet %s\n",
- myworkgroup, FIRST_SUBNET->subnet_name ));
+ lp_workgroup(), FIRST_SUBNET->subnet_name ));
return;
}
if(!AM_LOCAL_MASTER_BROWSER(work))
{
DEBUG(5,("browse_sync_remote: We can only do this if we are a local master browser \
-for workgroup %s on subnet %s.\n", myworkgroup, FIRST_SUBNET->subnet_name ));
+for workgroup %s on subnet %s.\n", lp_workgroup(), FIRST_SUBNET->subnet_name ));
return;
}
- bzero(outbuf,sizeof(outbuf));
+ memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
- CVAL(p,0) = ANN_MasterAnnouncement;
+ SCVAL(p,0,ANN_MasterAnnouncement);
p++;
- StrnCpy(p,myname,15);
- strupper(p);
+ fstrcpy(myname, global_myname());
+ strupper(myname);
+ myname[15]='\0';
+ push_pstring_base(p, myname, outbuf);
+
p = skip_string(p,1);
- for (ptr=s; next_token(&ptr,s2,NULL); )
+ for (ptr=s; next_token(&ptr,s2,NULL,sizeof(s2)); )
{
/* The entries are of the form a.b.c.d */
addr = *interpret_addr2(s2);
DEBUG(5,("announce_remote: Doing remote browse sync announce for server %s to IP %s.\n",
- myname, inet_ntoa(addr) ));
+ global_myname(), inet_ntoa(addr) ));
send_mailslot(True, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
- myname, 0x0, "*", 0x0, addr, FIRST_SUBNET->myip);
+ global_myname(), 0x0, "*", 0x0, addr, FIRST_SUBNET->myip, DGRAM_PORT);
}
}
git.samba.org / ira / wip.git / blobdiff