BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question)
{
struct name_record *namerec = NULL;
struct in_addr dns_ip;
unstring qname;
pull_ascii_nstring(qname, sizeof(qname), question->name);
DEBUG(3,("DNS search for %s - ", nmb_namestr(question)));
/* Unblock TERM signal so we can be killed in DNS lookup. */
BlockSignals(False, SIGTERM);
dns_ip.s_addr = interpret_addr(qname);
/* Re-block TERM signal. */
BlockSignals(True, SIGTERM);
namerec = add_dns_result(question, dns_ip);
if(namerec == NULL) {
send_wins_name_query_response(NAM_ERR, p, NULL);
} else {
send_wins_name_query_response(0, p, namerec);
}
return False;
}
/***************************************************************************
queue a DNS query
****************************************************************************/
BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question,
struct name_record **n)
{
if (in_dns || fd_in == -1)
return False;
if (!dns_current) {
if (!write_child(p)) {
DEBUG(3,("failed to send DNS query to child!\n"));
return False;
}
dns_current = p;
p->locked = True;
} else {
p->locked = True;
p->next = dns_queue;
p->prev = NULL;
if (p->next)
p->next->prev = p;
dns_queue = p;
}
DEBUG(3,("added DNS query for %s\n", nmb_namestr(question)));
return True;
}
/*
when releasing a name with WINS we need to send the release to each of
the WINS groups
*/
static void wins_release_name(struct name_record *namerec,
release_name_success_function success_fn,
release_name_fail_function fail_fn,
struct userdata_struct *userdata)
{
int t, i;
char **wins_tags;
/* get the list of wins tags - we try to release for each of them */
wins_tags = wins_srv_tags();
for (t=0;wins_tags && wins_tags[t]; t++) {
for (i = 0; i < namerec->data.num_ips; i++) {
struct in_addr wins_ip = wins_srv_ip_tag(wins_tags[t], namerec->data.ip[i]);
bool last_one = ((i==namerec->data.num_ips - 1) && !wins_tags[t+1]);
if (queue_release_name(unicast_subnet,
release_name_response,
release_name_timeout_response,
last_one?success_fn : NULL,
last_one? fail_fn : NULL,
last_one? userdata : NULL,
&namerec->name,
namerec->data.nb_flags,
namerec->data.ip[i],
wins_ip) == NULL) {
DEBUG(0,("release_name: Failed to send packet trying to release name %s IP %s\n",
nmb_namestr(&namerec->name), inet_ntoa(namerec->data.ip[i]) ));
}
}
}
wins_srv_tags_free(wins_tags);
}
static void release_name_timeout_response(struct subnet_record *subrec,
struct response_record *rrec)
{
/* a release is *always* considered to be successful when it
times out. This doesn't cause problems as if a WINS server
doesn't respond and someone else wants the name then the
normal WACK/name query from the WINS server will cope */
struct nmb_packet *sent_nmb = &rrec->packet->packet.nmb;
bool bcast = sent_nmb->header.nm_flags.bcast;
struct nmb_name *question_name = &sent_nmb->question.question_name;
struct in_addr released_ip;
/* Get the ip address we were trying to release. */
putip((char*)&released_ip ,&sent_nmb->additional->rdata[2]);
if (!bcast) {
/* mark the WINS server temporarily dead */
wins_srv_died(rrec->packet->ip, released_ip);
}
DEBUG(5,("release_name_timeout_response: success in releasing name %s on subnet %s.\n",
nmb_namestr(question_name), subrec->subnet_name));
if (rrec->success_fn) {
(*(release_name_success_function)rrec->success_fn)(subrec, rrec->userdata, question_name, released_ip);
}
standard_success_release( subrec, rrec->userdata, question_name, released_ip);
remove_response_record(subrec, rrec);
}
void process_name_release_request(struct subnet_record *subrec,
struct packet_struct *p)
{
struct nmb_packet *nmb = &p->packet.nmb;
struct in_addr owner_ip;
struct nmb_name *question = &nmb->question.question_name;
unstring qname;
BOOL bcast = nmb->header.nm_flags.bcast;
uint16 nb_flags = get_nb_flags(nmb->additional->rdata);
BOOL group = (nb_flags & NB_GROUP) ? True : False;
struct name_record *namerec;
int rcode = 0;
putip((char *)&owner_ip,&nmb->additional->rdata[2]);
if(!bcast) {
/* We should only get broadcast name release packets here.
Anyone trying to release unicast should be going to a WINS
server. If the code gets here, then either we are not a wins
server and they sent it anyway, or we are a WINS server and
the request was malformed. Either way, log an error here.
and send an error reply back.
*/
DEBUG(0,("process_name_release_request: unicast name release request \
received for name %s from IP %s on subnet %s. Error - should be sent to WINS server\n",
nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name));
send_name_release_response(FMT_ERR, p);
return;
}
void release_name(struct subnet_record *subrec, struct name_record *namerec,
release_name_success_function success_fn,
release_name_fail_function fail_fn,
struct userdata_struct *userdata)
{
int i;
/* Ensure it's a SELF name, and in the ACTIVE state. */
if ((namerec->data.source != SELF_NAME) || !NAME_IS_ACTIVE(namerec)) {
DEBUG(0,("release_name: Cannot release name %s from subnet %s. Source was %d \n",
nmb_namestr(&namerec->name), subrec->subnet_name, namerec->data.source));
return;
}
/* Set the name into the deregistering state. */
namerec->data.nb_flags |= NB_DEREG;
/* wins releases are a bit different */
if (subrec == unicast_subnet) {
wins_release_name(namerec, success_fn, fail_fn, userdata);
return;
}
/*
* Go through and release the name for all known ip addresses.
* Only call the success/fail function on the last one (it should
* only be done once).
*/
for (i = 0; i < namerec->data.num_ips; i++) {
if (queue_release_name(subrec,
release_name_response,
release_name_timeout_response,
(i == (namerec->data.num_ips - 1)) ? success_fn : NULL,
(i == (namerec->data.num_ips - 1)) ? fail_fn : NULL,
(i == (namerec->data.num_ips - 1)) ? userdata : NULL,
&namerec->name,
namerec->data.nb_flags,
namerec->data.ip[i],
subrec->bcast_ip) == NULL) {
DEBUG(0,("release_name: Failed to send packet trying to release name %s IP %s\n",
nmb_namestr(&namerec->name), inet_ntoa(namerec->data.ip[i]) ));
}
}
}
/****************************************************************************
Function called when a query for *<1b> name fails.
****************************************************************************/
static void find_all_domain_master_names_query_fail(struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *question_name, int fail_code)
{
if( DEBUGLVL( 10 ) ) {
dbgtext( "find_domain_master_name_query_fail:\n" );
dbgtext( "WINS server did not reply to a query for name " );
dbgtext( "%s.\nThis means it ", nmb_namestr(question_name) );
dbgtext( "is probably not a Samba 1.9.18 or above WINS server.\n" );
}
}
static void multihomed_register_one(struct nmb_name *nmbname,
uint16 nb_flags,
register_name_success_function success_fn,
register_name_fail_function fail_fn,
struct in_addr ip,
const char *tag)
{
struct userdata_struct *userdata;
struct in_addr wins_ip = wins_srv_ip_tag(tag, ip);
fstring ip_str;
userdata = (struct userdata_struct *)SMB_MALLOC(sizeof(*userdata) + strlen(tag) + 1);
if (!userdata) {
DEBUG(0,("Failed to allocate userdata structure!\n"));
return;
}
ZERO_STRUCTP(userdata);
userdata->userdata_len = strlen(tag) + 1;
strlcpy(userdata->data, tag, userdata->userdata_len);
fstrcpy(ip_str, inet_ntoa(ip));
DEBUG(6,("Registering name %s IP %s with WINS server %s using tag '%s'\n",
nmb_namestr(nmbname), ip_str, inet_ntoa(wins_ip), tag));
if (queue_register_multihomed_name(unicast_subnet,
register_name_response,
register_name_timeout_response,
success_fn,
fail_fn,
userdata,
nmbname,
nb_flags,
ip,
wins_ip) == NULL) {
DEBUG(0,("multihomed_register_one: Failed to send packet trying to register name %s IP %s\n",
nmb_namestr(nmbname), inet_ntoa(ip)));
}
free(userdata);
}
static void find_domain_master_name_query_fail(struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *question_name, int fail_code)
{
if( DEBUGLVL( 0 ) ) {
dbgtext( "find_domain_master_name_query_fail:\n" );
dbgtext( "Unable to find the Domain Master Browser name " );
dbgtext( "%s for the workgroup %s.\n",
nmb_namestr(question_name), question_name->name );
dbgtext( "Unable to sync browse lists in this workgroup.\n" );
}
}
void process_workgroup_announce(struct subnet_record *subrec, struct packet_struct *p, char *buf)
{
struct dgram_packet *dgram = &p->packet.dgram;
int ttl = IVAL(buf,1)/1000;
unstring workgroup_announce_name;
unstring master_name;
uint32 servertype = IVAL(buf,23);
struct work_record *work;
unstring source_name;
unstring dest_name;
START_PROFILE(workgroup_announce);
pull_ascii_nstring(workgroup_announce_name,sizeof(workgroup_announce_name),buf+5);
pull_ascii_nstring(master_name,sizeof(master_name),buf+31);
pull_ascii_nstring(source_name,sizeof(source_name),dgram->source_name.name);
pull_ascii_nstring(dest_name,sizeof(dest_name),dgram->dest_name.name);
DEBUG(3,("process_workgroup_announce: from %s<%02x> IP %s to \
%s for workgroup %s.\n", source_name, source_name[15], inet_ntoa(p->ip),
nmb_namestr(&dgram->dest_name),workgroup_announce_name));
DEBUG(5,("process_workgroup_announce: ttl=%d server type=%08x master browser=%s\n",
ttl, servertype, master_name));
/* Workgroup announcements must only go to the MSBROWSE name. */
if (!strequal(dest_name, MSBROWSE) || (dgram->dest_name.name_type != 0x1)) {
DEBUG(0,("process_workgroup_announce: from IP %s should be to __MSBROWSE__<0x01> not %s\n",
inet_ntoa(p->ip), nmb_namestr(&dgram->dest_name)));
goto done;
}
if ((work = find_workgroup_on_subnet(subrec, workgroup_announce_name))==NULL) {
/* We have no record of this workgroup. Add it. */
if((work = create_workgroup_on_subnet(subrec, workgroup_announce_name, ttl))==NULL)
goto done;
} else {
/* Update the workgroup death_time. */
update_workgroup_ttl(work, ttl);
}
if(*work->local_master_browser_name == '\0') {
/* Set the master browser name. */
set_workgroup_local_master_browser_name( work, master_name );
}
subrec->work_changed = True;
done:
END_PROFILE(workgroup_announce);
}
static void register_name_timeout_response(struct subnet_record *subrec,
struct response_record *rrec)
{
/*
* If we are registering unicast, then NOT getting a response is an
* error - we do not have the name. If we are registering broadcast,
* then we don't expect to get a response.
*/
struct nmb_packet *sent_nmb = &rrec->packet->packet.nmb;
bool bcast = sent_nmb->header.nm_flags.bcast;
bool success = False;
struct nmb_name *question_name = &sent_nmb->question.question_name;
uint16_t nb_flags = 0;
int ttl = 0;
struct in_addr registered_ip;
if (bcast) {
if(rrec->num_msgs == 0) {
/* Not receiving a message is success for broadcast registration. */
success = True;
/* Pull the success values from the original request packet. */
nb_flags = get_nb_flags(sent_nmb->additional->rdata);
ttl = sent_nmb->additional->ttl;
putip(®istered_ip,&sent_nmb->additional->rdata[2]);
}
} else {
/* wins timeouts are special */
wins_registration_timeout(subrec, rrec);
return;
}
DEBUG(5,("register_name_timeout_response: %s in registering name %s on subnet %s.\n",
success ? "success" : "failure", nmb_namestr(question_name), subrec->subnet_name));
if(success) {
/* Enter the registered name into the subnet name database before calling
the success function. */
standard_success_register(subrec, rrec->userdata, question_name, nb_flags, ttl, registered_ip);
if( rrec->success_fn)
(*(register_name_success_function)rrec->success_fn)(subrec, rrec->userdata, question_name, nb_flags, ttl, registered_ip);
} else {
struct nmb_name qname = *question_name;
if( rrec->fail_fn)
(*(register_name_fail_function)rrec->fail_fn)(subrec, rrec, question_name);
/* Remove the name. */
standard_fail_register( subrec, &qname);
}
/* Ensure we don't retry. */
remove_response_record(subrec, rrec);
}
static void sync_with_dmb(struct work_record *work)
{
if( DEBUGLVL( 2 ) )
{
dbgtext( "sync_with_dmb:\n" );
dbgtext( "Initiating sync with domain master browser " );
dbgtext( "%s ", nmb_namestr(&work->dmb_name) );
dbgtext( "at IP %s ", inet_ntoa(work->dmb_addr) );
dbgtext( "for workgroup %s\n", work->work_group );
}
sync_browse_lists(work, work->dmb_name.name, work->dmb_name.name_type,
work->dmb_addr, False, True);
}
void register_name(struct subnet_record *subrec,
const char *name, int type, uint16 nb_flags,
register_name_success_function success_fn,
register_name_fail_function fail_fn,
struct userdata_struct *userdata)
{
struct nmb_name nmbname;
nstring nname;
errno = 0;
push_ascii_nstring(nname, name);
if (errno == E2BIG) {
unstring tname;
pull_ascii_nstring(tname, sizeof(tname), nname);
DEBUG(0,("register_name: NetBIOS name %s is too long. Truncating to %s\n",
name, tname));
make_nmb_name(&nmbname, tname, type);
} else {
make_nmb_name(&nmbname, name, type);
}
/* Always set the NB_ACTIVE flag on the name we are
registering. Doesn't make sense without it.
*/
nb_flags |= NB_ACTIVE;
if (subrec == unicast_subnet) {
/* we now always do multi-homed registration if we are
registering to a WINS server. This copes much
better with complex WINS setups */
multihomed_register_name(&nmbname, nb_flags,
success_fn, fail_fn);
return;
}
if (queue_register_name(subrec,
register_name_response,
register_name_timeout_response,
success_fn,
fail_fn,
userdata,
&nmbname,
nb_flags) == NULL) {
DEBUG(0,("register_name: Failed to send packet trying to register name %s\n",
nmb_namestr(&nmbname)));
}
}
static void announce_local_master_browser_to_domain_master_browser( struct work_record *work)
{
char outbuf[1024];
unstring myname;
unstring dmb_name;
char *p;
if(ismyip_v4(work->dmb_addr)) {
if( DEBUGLVL( 2 ) ) {
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "We are both a domain and a local master browser for " );
dbgtext( "workgroup %s. ", work->work_group );
dbgtext( "Do not announce to ourselves.\n" );
}
return;
}
memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
SCVAL(p,0,ANN_MasterAnnouncement);
p++;
unstrcpy(myname, lp_netbios_name());
if (!strupper_m(myname)) {
DEBUG(2,("strupper_m %s failed\n", myname));
return;
}
myname[15]='\0';
/* The call below does CH_UNIX -> CH_DOS conversion. JRA */
push_ascii(p, myname, sizeof(outbuf)-PTR_DIFF(p,outbuf)-1, STR_TERMINATE);
p = skip_string(outbuf,sizeof(outbuf),p);
if( DEBUGLVL( 4 ) ) {
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "Sending local master announce to " );
dbgtext( "%s for workgroup %s.\n", nmb_namestr(&work->dmb_name),
work->work_group );
}
/* Target name for send_mailslot must be in UNIX charset. */
pull_ascii_nstring(dmb_name, sizeof(dmb_name), work->dmb_name.name);
send_mailslot(True, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
lp_netbios_name(), 0x0, dmb_name, 0x0,
work->dmb_addr, FIRST_SUBNET->myip, DGRAM_PORT);
}
static void announce_local_master_browser_to_domain_master_browser( struct work_record *work)
{
pstring outbuf;
char *p;
if(ismyip(work->dmb_addr))
{
if( DEBUGLVL( 2 ) )
{
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "We are both a domain and a local master browser for " );
dbgtext( "workgroup %s. ", work->work_group );
dbgtext( "Do not announce to ourselves.\n" );
}
return;
}
memset(outbuf,'\0',sizeof(outbuf));
p = outbuf;
SCVAL(p,0,ANN_MasterAnnouncement);
p++;
StrnCpy(p,global_myname,15);
strupper(p);
p = skip_string(p,1);
if( DEBUGLVL( 4 ) )
{
dbgtext( "announce_local_master_browser_to_domain_master_browser:\n" );
dbgtext( "Sending local master announce to " );
dbgtext( "%s for workgroup %s.\n", nmb_namestr(&work->dmb_name),
work->work_group );
}
send_mailslot(True, BROWSE_MAILSLOT, outbuf,PTR_DIFF(p,outbuf),
global_myname, 0x0, work->dmb_name.name, 0x0,
work->dmb_addr, FIRST_SUBNET->myip, DGRAM_PORT);
}
/***************************************************************************
we use this when we can't do async DNS lookups
****************************************************************************/
BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question,
struct name_record **n)
{
char *qname = question->name;
struct in_addr dns_ip;
DEBUG(3,("DNS search for %s - ", nmb_namestr(question)));
/* Unblock TERM signal so we can be killed in DNS lookup. */
BlockSignals(False, SIGTERM);
dns_ip.s_addr = interpret_addr(qname);
/* Re-block TERM signal. */
BlockSignals(True, SIGTERM);
*n = add_dns_result(question, dns_ip);
if(*n == NULL)
send_wins_name_query_response(NAM_ERR, p, NULL);
else
send_wins_name_query_response(0, p, *n);
return False;
}
/****************************************************************************
send a session request. see rfc1002.txt 4.3 and 4.3.2
****************************************************************************/
BOOL cli_session_request(struct cli_state *cli,
const struct nmb_name *calling,
const struct nmb_name *called)
{
char *p;
int len = 4;
extern pstring user_socket_options;
io_struct ps;
uchar nb_type;
ZERO_STRUCT(ps);
io_init(&ps, 4096, MARSHALL);
/* send a session request (RFC 1002) */
smb_set_nbnames(cli->hnd, calling, called);
/* put in the destination name */
p = ps.data_p;
name_mangle(called->name, p, called->name_type);
len += name_len(p);
/* and my name */
p = ps.data_p + len-4;
name_mangle(calling->name, p, calling->name_type);
len += name_len(p);
ps.data_offset = len;
smb_send_smb(cli->hnd, &ps, 0x81);
io_free(&ps);
DEBUG(5, ("Sent session request: %s to %s\n",
nmb_namestr(calling), nmb_namestr(called)));
if (!smb_receive_smb(cli->hnd, &ps, &nb_type))
return False;
if (nb_type == 0x84)
{
int fd;
/* C. Hoch 9/14/95 Start */
/* For information, here is the response structure.
* We do the byte-twiddling to for portability.
struct RetargetResponse{
unsigned char type;
unsigned char flags;
int16 length;
int32 ip_addr;
int16 port;
};
*/
int port = (CVAL(ps.data_p, 4) << 8) + CVAL(ps.data_p, 5);
/* SESSION RETARGET */
putip((char *)&cli->dest_ip, ps.data_p);
fd = open_socket_out(SOCK_STREAM, &cli->dest_ip, port,
LONG_CONNECT_TIMEOUT);
if (fd == -1 || !smb_set_fd(cli->hnd, fd))
return False;
cli->dbg(3, "Retargeted\n");
set_socket_options(fd, user_socket_options);
/* Try again */
{
static int depth;
BOOL ret;
if (depth > 4)
{
cli->dbg( 0,
"Retarget recursion - failing\n");
return False;
}
depth++;
ret = cli_session_request(cli, calling, called);
depth--;
return ret;
}
} /* C. Hoch 9/14/95 End */
if (nb_type != 0x82)
{
/* This is the wrong place to put the error... JRA. */
cli->rap_error = CVAL(ps.data_p, 0);
return False;
}
return (True);
}
static void register_name_response(struct subnet_record *subrec,
struct response_record *rrec, struct packet_struct *p)
{
/*
* If we are registering broadcast, then getting a response is an
* error - we do not have the name. If we are registering unicast,
* then we expect to get a response.
*/
struct nmb_packet *nmb = &p->packet.nmb;
BOOL bcast = nmb->header.nm_flags.bcast;
BOOL success = True;
struct nmb_name *question_name = &rrec->packet->packet.nmb.question.question_name;
struct nmb_name *answer_name = &nmb->answers->rr_name;
struct nmb_packet *sent_nmb = &rrec->packet->packet.nmb;
int ttl = 0;
uint16 nb_flags = 0;
struct in_addr register_ip;
fstring reg_name;
putip(®ister_ip,&sent_nmb->additional->rdata[2]);
fstrcpy(reg_name, inet_ntoa(register_ip));
if (subrec == unicast_subnet) {
/* we know that this wins server is definately alive - for the moment! */
wins_srv_alive(rrec->packet->ip, register_ip);
}
/* Sanity check. Ensure that the answer name in the incoming packet is the
same as the requested name in the outgoing packet. */
if(!question_name || !answer_name) {
DEBUG(0,("register_name_response: malformed response (%s is NULL).\n",
question_name ? "question_name" : "answer_name" ));
return;
}
if(!nmb_name_equal(question_name, answer_name)) {
DEBUG(0,("register_name_response: Answer name %s differs from question name %s.\n",
nmb_namestr(answer_name), nmb_namestr(question_name)));
return;
}
if(bcast) {
/*
* Special hack to cope with old Samba nmbd's.
* Earlier versions of Samba (up to 1.9.16p11) respond
* to a broadcast name registration of WORKGROUP<1b> when
* they should not. Hence, until these versions are gone,
* we should treat such errors as success for this particular
* case only. [email protected].
*/
#if 1 /* OLD_SAMBA_SERVER_HACK */
unstring ans_name;
pull_ascii_nstring(ans_name, sizeof(ans_name), answer_name->name);
if((nmb->header.rcode == ACT_ERR) && strequal(lp_workgroup(), ans_name) &&
(answer_name->name_type == 0x1b)) {
/* Pretend we did not get this. */
rrec->num_msgs--;
DEBUG(5,("register_name_response: Ignoring broadcast response to registration of name %s due to old Samba server bug.\n",
nmb_namestr(answer_name)));
return;
}
#endif /* OLD_SAMBA_SERVER_HACK */
/* Someone else has the name. Log the problem. */
DEBUG(1,("register_name_response: Failed to register name %s IP %s on subnet %s via broadcast. Error code was %d. Reject came from IP %s\n",
nmb_namestr(answer_name),
reg_name,
subrec->subnet_name, nmb->header.rcode, inet_ntoa(p->ip)));
success = False;
} else {
/* Unicast - check to see if the response allows us to have the name. */
if (nmb->header.opcode == NMB_WACK_OPCODE) {
/* WINS server is telling us to wait. Pretend we didn't get
the response but don't send out any more register requests. */
DEBUG(5,("register_name_response: WACK from WINS server %s in registering name %s IP %s\n",
inet_ntoa(p->ip), nmb_namestr(answer_name), reg_name));
rrec->repeat_count = 0;
/* How long we should wait for. */
rrec->repeat_time = p->timestamp + nmb->answers->ttl;
rrec->num_msgs--;
return;
} else if (nmb->header.rcode != 0) {
/* Error code - we didn't get the name. */
success = False;
DEBUG(0,("register_name_response: %sserver at IP %s rejected our name registration of %s IP %s with error code %d.\n",
subrec==unicast_subnet?"WINS ":"",
inet_ntoa(p->ip),
nmb_namestr(answer_name),
reg_name,
nmb->header.rcode));
} else {
success = True;
/* Get the data we need to pass to the success function. */
nb_flags = get_nb_flags(nmb->answers->rdata);
ttl = nmb->answers->ttl;
/* send off a registration for the next IP, if any */
wins_next_registration(rrec);
}
}
DEBUG(5,("register_name_response: %s in registering %sname %s IP %s with %s.\n",
success ? "success" : "failure",
subrec==unicast_subnet?"WINS ":"",
nmb_namestr(answer_name),
reg_name,
inet_ntoa(rrec->packet->ip)));
if(success) {
/* Enter the registered name into the subnet name database before calling
the success function. */
standard_success_register(subrec, rrec->userdata, answer_name, nb_flags, ttl, register_ip);
if( rrec->success_fn)
(*(register_name_success_function)rrec->success_fn)(subrec, rrec->userdata, answer_name, nb_flags, ttl, register_ip);
} else {
if( rrec->fail_fn)
(*(register_name_fail_function)rrec->fail_fn)(subrec, rrec, question_name);
/* Remove the name. */
standard_fail_register( subrec, rrec, question_name);
}
/* Ensure we don't retry. */
remove_response_record(subrec, rrec);
}
static void wins_registration_timeout(struct subnet_record *subrec,
struct response_record *rrec)
{
struct userdata_struct *userdata = rrec->userdata;
struct nmb_packet *sent_nmb = &rrec->packet->packet.nmb;
struct nmb_name *nmbname = &sent_nmb->question.question_name;
struct in_addr register_ip;
fstring src_addr;
putip(®ister_ip,&sent_nmb->additional->rdata[2]);
fstrcpy(src_addr, inet_ntoa(register_ip));
DEBUG(2,("wins_registration_timeout: WINS server %s timed out registering IP %s\n",
inet_ntoa(rrec->packet->ip), src_addr));
/* mark it temporarily dead for this source address */
wins_srv_died(rrec->packet->ip, register_ip);
/* if we have some userdata then use that to work out what
wins server to try next */
if (userdata) {
const char *tag = (const char *)userdata->data;
/* try the next wins server in our failover list for
this tag */
rrec->packet->ip = wins_srv_ip_tag(tag, register_ip);
}
/* if we have run out of wins servers for this tag then they
must all have timed out. We treat this as *success*, not
failure, and go into our standard name refresh mode. This
copes with all the wins servers being down */
if (wins_srv_is_dead(rrec->packet->ip, register_ip)) {
uint16 nb_flags = get_nb_flags(sent_nmb->additional->rdata);
int ttl = sent_nmb->additional->ttl;
standard_success_register(subrec, userdata, nmbname, nb_flags, ttl, register_ip);
if(rrec->success_fn) {
(*(register_name_success_function)rrec->success_fn)(subrec,
rrec->userdata,
nmbname,
nb_flags,
ttl,
register_ip);
}
/* send off a registration for the next IP, if any */
wins_next_registration(rrec);
/* don't need to send this packet any more */
remove_response_record(subrec, rrec);
return;
}
/* we will be moving to the next WINS server for this group,
send it immediately */
rrec->repeat_count = 2;
rrec->repeat_time = time(NULL) + 1;
rrec->in_expiration_processing = False;
DEBUG(6,("Retrying register of name %s IP %s with WINS server %s\n",
nmb_namestr(nmbname), src_addr, inet_ntoa(rrec->packet->ip)));
/* notice that we don't remove the response record. This keeps
us trying to register with each of our failover wins servers */
}
static void fail_register(struct subnet_record *subrec, struct response_record *rrec,
struct nmb_name *nmbname)
{
DEBUG(0,("fail_register: Failed to register name %s on subnet %s.\n",
nmb_namestr(nmbname), subrec->subnet_name));
}
static void my_name_register_failed(struct subnet_record *subrec,
struct response_record *rrec, struct nmb_name *nmbname)
{
DEBUG(0,("my_name_register_failed: Failed to register my name %s on subnet %s.\n",
nmb_namestr(nmbname), subrec->subnet_name));
}
void register_name(struct subnet_record *subrec,
const char *name, int type, uint16_t nb_flags,
register_name_success_function success_fn,
register_name_fail_function fail_fn,
struct userdata_struct *userdata)
{
struct nmb_name nmbname;
nstring nname;
size_t converted_size;
errno = 0;
converted_size = push_ascii_nstring(nname, name);
if (converted_size != (size_t)-1) {
/* Success. */
make_nmb_name(&nmbname, name, type);
} else if (errno == E2BIG) {
/*
* Name converted to CH_DOS is too large.
* try to truncate.
*/
char *converted_str_dos = NULL;
char *converted_str_unix = NULL;
bool ok;
converted_size = 0;
ok = convert_string_talloc(talloc_tos(),
CH_UNIX,
CH_DOS,
name,
strlen(name)+1,
&converted_str_dos,
&converted_size);
if (!ok) {
DEBUG(0,("register_name: NetBIOS name %s cannot be "
"converted. Failing to register name.\n",
name));
return;
}
/*
* As it's now CH_DOS codepage
* we truncate by writing '\0' at
* MAX_NETBIOSNAME_LEN-1 and then
* convert back to CH_UNIX which we
* need for the make_nmb_name() call.
*/
if (converted_size >= MAX_NETBIOSNAME_LEN) {
converted_str_dos[MAX_NETBIOSNAME_LEN-1] = '\0';
}
ok = convert_string_talloc(talloc_tos(),
CH_DOS,
CH_UNIX,
converted_str_dos,
strlen(converted_str_dos)+1,
&converted_str_unix,
&converted_size);
if (!ok) {
DEBUG(0,("register_name: NetBIOS name %s cannot be "
"converted back to CH_UNIX. "
"Failing to register name.\n",
converted_str_dos));
TALLOC_FREE(converted_str_dos);
return;
}
make_nmb_name(&nmbname, converted_str_unix, type);
TALLOC_FREE(converted_str_dos);
TALLOC_FREE(converted_str_unix);
} else {
/*
* Generic conversion error. Fail to register.
*/
DEBUG(0,("register_name: NetBIOS name %s cannot be "
"converted (%s). Failing to register name.\n",
name, strerror(errno)));
return;
}
/* Always set the NB_ACTIVE flag on the name we are
registering. Doesn't make sense without it.
*/
nb_flags |= NB_ACTIVE;
if (subrec == unicast_subnet) {
/* we now always do multi-homed registration if we are
registering to a WINS server. This copes much
better with complex WINS setups */
multihomed_register_name(&nmbname, nb_flags,
success_fn, fail_fn);
return;
}
if (queue_register_name(subrec,
register_name_response,
register_name_timeout_response,
success_fn,
fail_fn,
userdata,
&nmbname,
nb_flags) == NULL) {
DEBUG(0,("register_name: Failed to send packet trying to register name %s\n",
nmb_namestr(&nmbname)));
}
}
static void release_name_response(struct subnet_record *subrec,
struct response_record *rrec, struct packet_struct *p)
{
/*
* If we are releasing broadcast, then getting a response is an
* error. If we are releasing unicast, then we expect to get a response.
*/
struct nmb_packet *nmb = &p->packet.nmb;
bool bcast = nmb->header.nm_flags.bcast;
bool success = True;
struct nmb_name *question_name = &rrec->packet->packet.nmb.question.question_name;
struct nmb_name *answer_name = &nmb->answers->rr_name;
struct in_addr released_ip;
/* Sanity check. Ensure that the answer name in the incoming packet is the
same as the requested name in the outgoing packet. */
if (!nmb_name_equal(question_name, answer_name)) {
DEBUG(0,("release_name_response: Answer name %s differs from question name %s.\n",
nmb_namestr(answer_name), nmb_namestr(question_name)));
return;
}
if (bcast) {
/* Someone sent a response to a bcast release? ignore it. */
return;
}
/* Unicast - check to see if the response allows us to release the name. */
if (nmb->header.rcode != 0) {
/* Error code - we were told not to release the name ! What now ! */
success = False;
DEBUG(0,("release_name_response: WINS server at IP %s rejected our \
name release of name %s with error code %d.\n",
inet_ntoa(p->ip),
nmb_namestr(answer_name), nmb->header.rcode));
} else if (nmb->header.opcode == NMB_WACK_OPCODE) {
/* WINS server is telling us to wait. Pretend we didn't get
the response but don't send out any more release requests. */
DEBUG(5,("release_name_response: WACK from WINS server %s in releasing \
name %s on subnet %s.\n",
inet_ntoa(p->ip), nmb_namestr(answer_name), subrec->subnet_name));
rrec->repeat_count = 0;
/* How long we should wait for. */
rrec->repeat_time = p->timestamp + nmb->answers->ttl;
rrec->num_msgs--;
return;
}
DEBUG(5,("release_name_response: %s in releasing name %s on subnet %s.\n",
success ? "success" : "failure", nmb_namestr(answer_name), subrec->subnet_name));
if (success) {
putip((char*)&released_ip ,&nmb->answers->rdata[2]);
if(rrec->success_fn)
(*(release_name_success_function)rrec->success_fn)(subrec, rrec->userdata, answer_name, released_ip);
standard_success_release( subrec, rrec->userdata, answer_name, released_ip);
} else {
/* We have no standard_fail_release - maybe we should add one ? */
if (rrec->fail_fn) {
(*(release_name_fail_function)rrec->fail_fn)(subrec, rrec, answer_name);
}
}
remove_response_record(subrec, rrec);
}
bool cli_send_mailslot(struct messaging_context *msg_ctx,
bool unique, const char *mailslot,
uint16 priority,
char *buf, int len,
const char *srcname, int src_type,
const char *dstname, int dest_type,
const struct sockaddr_storage *dest_ss)
{
struct packet_struct p;
struct dgram_packet *dgram = &p.packet.dgram;
char *ptr, *p2;
char tmp[4];
pid_t nmbd_pid;
char addr[INET6_ADDRSTRLEN];
if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
DEBUG(3, ("No nmbd found\n"));
return False;
}
if (dest_ss->ss_family != AF_INET) {
DEBUG(3, ("cli_send_mailslot: can't send to IPv6 address.\n"));
return false;
}
memset((char *)&p, '\0', sizeof(p));
/*
* Next, build the DGRAM ...
*/
/* DIRECT GROUP or UNIQUE datagram. */
dgram->header.msg_type = unique ? 0x10 : 0x11;
dgram->header.flags.node_type = M_NODE;
dgram->header.flags.first = True;
dgram->header.flags.more = False;
dgram->header.dgm_id = ((unsigned)time(NULL)%(unsigned)0x7FFF) +
((unsigned)sys_getpid()%(unsigned)100);
/* source ip is filled by nmbd */
dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
dgram->header.packet_offset = 0;
make_nmb_name(&dgram->source_name,srcname,src_type);
make_nmb_name(&dgram->dest_name,dstname,dest_type);
ptr = &dgram->data[0];
/* Setup the smb part. */
ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
memcpy(tmp,ptr,4);
if (smb_size + 17*2 + strlen(mailslot) + 1 + len > MAX_DGRAM_SIZE) {
DEBUG(0, ("cli_send_mailslot: Cannot write beyond end of packet\n"));
return False;
}
cli_set_message(ptr,17,strlen(mailslot) + 1 + len,True);
memcpy(ptr,tmp,4);
SCVAL(ptr,smb_com,SMBtrans);
SSVAL(ptr,smb_vwv1,len);
SSVAL(ptr,smb_vwv11,len);
SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
SSVAL(ptr,smb_vwv13,3);
SSVAL(ptr,smb_vwv14,1);
SSVAL(ptr,smb_vwv15,priority);
SSVAL(ptr,smb_vwv16,2);
p2 = smb_buf(ptr);
fstrcpy(p2,mailslot);
p2 = skip_string(ptr,MAX_DGRAM_SIZE,p2);
if (!p2) {
return False;
}
memcpy(p2,buf,len);
p2 += len;
dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
p.packet_type = DGRAM_PACKET;
p.ip = ((const struct sockaddr_in *)dest_ss)->sin_addr;
p.timestamp = time(NULL);
DEBUG(4,("send_mailslot: Sending to mailslot %s from %s ",
mailslot, nmb_namestr(&dgram->source_name)));
print_sockaddr(addr, sizeof(addr), dest_ss);
DEBUGADD(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name), addr));
return NT_STATUS_IS_OK(messaging_send_buf(msg_ctx,
pid_to_procid(nmbd_pid),
MSG_SEND_PACKET,
(uint8 *)&p, sizeof(p)));
}
NTSTATUS cli_full_connection(struct cli_state **output_cli,
const char *my_name, const char *dest_host,
struct in_addr *dest_ip, int port,
const char *service, const char *service_type,
const char *user, const char *domain,
const char *password, int pass_len)
{
struct ntuser_creds creds;
NTSTATUS nt_status;
struct nmb_name calling;
struct nmb_name called;
struct cli_state *cli;
struct in_addr ip;
if (!output_cli)
DEBUG(0, ("output_cli is NULL!?!"));
*output_cli = NULL;
make_nmb_name(&calling, my_name, 0x0);
make_nmb_name(&called , dest_host, 0x20);
again:
if (!(cli = cli_initialise(NULL)))
return NT_STATUS_NO_MEMORY;
if (cli_set_port(cli, port) != port) {
cli_shutdown(cli);
return NT_STATUS_UNSUCCESSFUL;
}
ip = *dest_ip;
DEBUG(3,("Connecting to host=%s share=%s\n", dest_host, service));
if (!cli_connect(cli, dest_host, &ip)) {
DEBUG(1,("cli_establish_connection: failed to connect to %s (%s)\n",
nmb_namestr(&called), inet_ntoa(*dest_ip)));
cli_shutdown(cli);
return NT_STATUS_UNSUCCESSFUL;
}
if (!cli_session_request(cli, &calling, &called)) {
char *p;
DEBUG(1,("session request to %s failed (%s)\n",
called.name, cli_errstr(cli)));
cli_shutdown(cli);
if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
*p = 0;
goto again;
}
if (strcmp(called.name, "*SMBSERVER")) {
make_nmb_name(&called , "*SMBSERVER", 0x20);
goto again;
}
return NT_STATUS_UNSUCCESSFUL;
}
if (!cli_negprot(cli)) {
DEBUG(1,("failed negprot\n"));
nt_status = NT_STATUS_UNSUCCESSFUL;
cli_shutdown(cli);
return nt_status;
}
if (!cli_session_setup(cli, user, password, pass_len, password, pass_len,
domain)) {
DEBUG(1,("failed session setup\n"));
nt_status = cli_nt_error(cli);
cli_shutdown(cli);
if (NT_STATUS_IS_OK(nt_status))
nt_status = NT_STATUS_UNSUCCESSFUL;
return nt_status;
}
if (service) {
if (!cli_send_tconX(cli, service, service_type,
password, pass_len)) {
DEBUG(1,("failed tcon_X\n"));
nt_status = cli_nt_error(cli);
cli_shutdown(cli);
if (NT_STATUS_IS_OK(nt_status))
nt_status = NT_STATUS_UNSUCCESSFUL;
return nt_status;
}
}
init_creds(&creds, user, domain, password, pass_len);
cli_init_creds(cli, &creds);
*output_cli = cli;
return NT_STATUS_OK;
}
server. If the code gets here, then either we are not a wins
server and they sent it anyway, or we are a WINS server and
the request was malformed. Either way, log an error here.
and send an error reply back.
*/
DEBUG(0,("process_name_release_request: unicast name release request \
received for name %s from IP %s on subnet %s. Error - should be sent to WINS server\n",
nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name));
send_name_release_response(FMT_ERR, p);
return;
}
DEBUG(3,("process_name_release_request: Name release on name %s, \
subnet %s from owner IP %s\n",
nmb_namestr(&nmb->question.question_name),
subrec->subnet_name, inet_ntoa(owner_ip)));
/* If someone is releasing a broadcast group name, just ignore it. */
if( group && !ismyip(owner_ip) )
return;
/*
* Code to work around a bug in FTP OnNet software NBT implementation.
* They do a broadcast name release for WORKGROUP<0> and WORKGROUP<1e>
* names and *don't set the group bit* !!!!!
*/
pull_ascii_nstring(qname, sizeof(qname), question->name);
if( !group && !ismyip(owner_ip) && strequal(qname, lp_workgroup()) &&
((question->name_type == 0x0) || (question->name_type == 0x1e))) {
int cli_send_mailslot(int dgram_sock, BOOL unique, const char *mailslot,
char *buf, int len,
const char *srcname, int src_type,
const char *dstname, int dest_type,
struct in_addr dest_ip, struct in_addr src_ip,
int dest_port, int src_port)
{
struct packet_struct p;
struct dgram_packet *dgram = &p.packet.dgram;
char *ptr, *p2;
char tmp[4];
memset((char *)&p, '\0', sizeof(p));
/*
* Next, build the DGRAM ...
*/
/* DIRECT GROUP or UNIQUE datagram. */
dgram->header.msg_type = unique ? 0x10 : 0x11;
dgram->header.flags.node_type = M_NODE;
dgram->header.flags.first = True;
dgram->header.flags.more = False;
dgram->header.dgm_id = ((unsigned)time(NULL)%(unsigned)0x7FFF) + ((unsigned)sys_getpid()%(unsigned)100);
dgram->header.source_ip.s_addr = src_ip.s_addr;
dgram->header.source_port = ntohs(src_port);
dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
dgram->header.packet_offset = 0;
make_nmb_name(&dgram->source_name,srcname,src_type);
make_nmb_name(&dgram->dest_name,dstname,dest_type);
ptr = &dgram->data[0];
/* Setup the smb part. */
ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
memcpy(tmp,ptr,4);
set_message(ptr,17,17 + len,True);
memcpy(ptr,tmp,4);
SCVAL(ptr,smb_com,SMBtrans);
SSVAL(ptr,smb_vwv1,len);
SSVAL(ptr,smb_vwv11,len);
SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
SSVAL(ptr,smb_vwv13,3);
SSVAL(ptr,smb_vwv14,1);
SSVAL(ptr,smb_vwv15,1);
SSVAL(ptr,smb_vwv16,2);
p2 = smb_buf(ptr);
fstrcpy(p2,mailslot);
p2 = skip_string(p2,1);
memcpy(p2,buf,len);
p2 += len;
dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
p.ip = dest_ip;
p.port = dest_port;
p.fd = dgram_sock;
p.timestamp = time(NULL);
p.packet_type = DGRAM_PACKET;
DEBUG(4,("send_mailslot: Sending to mailslot %s from %s IP %s ", mailslot,
nmb_namestr(&dgram->source_name), inet_ntoa(src_ip)));
DEBUG(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name), inet_ntoa(dest_ip)));
return send_packet(&p);
}
static bool cli_prep_mailslot(bool unique, const char *mailslot,
uint16_t priority,
char *buf, int len,
const char *srcname, int src_type,
const char *dstname, int dest_type,
const struct sockaddr_storage *dest_ss,
int dgm_id,
struct packet_struct *p)
{
struct dgram_packet *dgram = &p->packet.dgram;
char *ptr, *p2;
char tmp[4];
char addr[INET6_ADDRSTRLEN];
ZERO_STRUCTP(p);
/*
* Next, build the DGRAM ...
*/
/* DIRECT GROUP or UNIQUE datagram. */
dgram->header.msg_type = unique ? 0x10 : 0x11;
dgram->header.flags.node_type = M_NODE;
dgram->header.flags.first = True;
dgram->header.flags.more = False;
dgram->header.dgm_id = dgm_id;
/* source ip is filled by nmbd */
dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
dgram->header.packet_offset = 0;
make_nmb_name(&dgram->source_name,srcname,src_type);
make_nmb_name(&dgram->dest_name,dstname,dest_type);
ptr = &dgram->data[0];
/* Setup the smb part. */
ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
memcpy(tmp,ptr,4);
if (smb_size + 17*2 + strlen(mailslot) + 1 + len > MAX_DGRAM_SIZE) {
DEBUG(0, ("cli_send_mailslot: Cannot write beyond end of packet\n"));
return False;
}
cli_set_message(ptr,17,strlen(mailslot) + 1 + len,True);
memcpy(ptr,tmp,4);
SCVAL(ptr,smb_com,SMBtrans);
SSVAL(ptr,smb_vwv1,len);
SSVAL(ptr,smb_vwv11,len);
SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
SSVAL(ptr,smb_vwv13,3);
SSVAL(ptr,smb_vwv14,1);
SSVAL(ptr,smb_vwv15,priority);
SSVAL(ptr,smb_vwv16,2);
p2 = smb_buf(ptr);
fstrcpy(p2,mailslot);
p2 = skip_string(ptr,MAX_DGRAM_SIZE,p2);
if (!p2) {
return False;
}
memcpy(p2,buf,len);
p2 += len;
dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
p->packet_type = DGRAM_PACKET;
p->ip = ((const struct sockaddr_in *)dest_ss)->sin_addr;
p->timestamp = time(NULL);
DEBUG(4,("send_mailslot: Sending to mailslot %s from %s ",
mailslot, nmb_namestr(&dgram->source_name)));
print_sockaddr(addr, sizeof(addr), dest_ss);
DEBUGADD(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name), addr));
return true;
}
/****************************************************************************
establishes a connection right up to doing tconX, reading in a password.
****************************************************************************/
BOOL cli_establish_connection(struct cli_state *cli,
char *dest_host, struct in_addr *dest_ip,
struct nmb_name *calling,
struct nmb_name *called, char *service,
char *service_type, BOOL do_shutdown,
BOOL do_tcon)
{
cli->dbg(5,
"cli_establish_connection: %s connecting to %s (%s) - %s [%s]\n",
nmb_namestr(calling), nmb_namestr(called),
inet_ntoa(*dest_ip), cli->user_name, cli->domain);
/* establish connection */
if ((!cli->initialised))
{
return False;
}
if (!cli_connect(cli, dest_host, dest_ip))
{
cli->dbg(1,
"cli_establish_connection: failed to connect to %s (%s)\n",
nmb_namestr(calling), inet_ntoa(*dest_ip));
return False;
}
if (!cli_session_request(cli, calling, called))
{
cli->dbg(1, "failed session request\n");
if (do_shutdown)
cli_shutdown(cli);
return False;
}
if (!cli_negprot(cli))
{
cli->dbg(1, "failed negprot\n");
if (do_shutdown)
cli_shutdown(cli);
return False;
}
if (cli->pwd.cleartext || cli->pwd.null_pwd)
{
fstring passwd;
int pass_len;
if (cli->pwd.null_pwd)
{
/* attempt null session */
passwd[0] = 0;
pass_len = 1;
}
else
{
/* attempt clear-text session */
pwd_get_cleartext(&(cli->pwd), passwd);
pass_len = strlen(passwd);
}
/* attempt clear-text session */
if (!cli_session_setup(cli, cli->user_name,
passwd, pass_len,
NULL, 0, cli->domain))
{
cli->dbg(1, "failed session setup\n");
if (do_shutdown)
{
cli_shutdown(cli);
}
return False;
}
if (do_tcon)
{
if (!cli_send_tconX(cli, service, service_type,
(char *)passwd, strlen(passwd)))
{
cli->dbg(1, "failed tcon_X\n");
if (do_shutdown)
{
cli_shutdown(cli);
}
return False;
}
}
}
else
{
/* attempt encrypted session */
unsigned char nt_sess_pwd[24];
unsigned char lm_sess_pwd[24];
/* creates (storing a copy of) and then obtains a 24 byte password OWF */
pwd_make_lm_nt_owf(&(cli->pwd), cli->cryptkey);
pwd_get_lm_nt_owf(&(cli->pwd), lm_sess_pwd, nt_sess_pwd);
/* attempt encrypted session */
if (!cli_session_setup(cli, cli->user_name,
(char *)lm_sess_pwd,
sizeof(lm_sess_pwd),
(char *)nt_sess_pwd,
sizeof(nt_sess_pwd), cli->domain))
{
cli->dbg(1, "failed session setup\n");
if (do_shutdown)
cli_shutdown(cli);
return False;
}
if (do_tcon)
{
if (!cli_send_tconX(cli, service, service_type,
(char *)nt_sess_pwd,
sizeof(nt_sess_pwd)))
{
cli->dbg(1, "failed tcon_X\n");
if (do_shutdown)
cli_shutdown(cli);
return False;
}
}
}
if (do_shutdown)
cli_shutdown(cli);
return True;
}
struct nmb_packet *nmb = &p->packet.nmb;
struct nmb_name *question_name = &rrec->packet->packet.nmb.question.question_name;
struct nmb_name *answer_name = &nmb->answers->rr_name;
/* Sanity check. Ensure that the answer name in the incoming packet is the
same as the requested name in the outgoing packet. */
if(!nmb_name_equal(question_name, answer_name))
{
DEBUG(0,("node_status_response: Answer name %s differs from question \
name %s.\n", nmb_namestr(answer_name), nmb_namestr(question_name)));
return;
}
DEBUG(5,("node_status_response: response from name %s on subnet %s.\n",
nmb_namestr(answer_name), subrec->subnet_name));
/* Just send the whole answer resource record for the success function
to parse. */
if(rrec->success_fn)
(*(node_status_success_function)rrec->success_fn)(subrec, rrec->userdata, nmb->answers, p->ip);
/* Ensure we don't retry. */
remove_response_record(subrec, rrec);
}
/****************************************************************************
Deal with a timeout when requesting a node status.
****************************************************************************/
static void node_status_timeout_response(struct subnet_record *subrec,
struct response_record *rrec)
