#include "includes.h"
-extern int DEBUGLEVEL;
-
/* nmbd.c sets this to True. */
BOOL global_in_nmbd = False;
static int trn_id;
if (trn_id == 0) {
- srandom(getpid());
+ sys_srandom(sys_getpid());
}
- trn_id = random();
+ trn_id = sys_random();
return trn_id % (unsigned)0x7FFF;
}
/****************************************************************************
- Interpret a node status response.
+ parse a node status response into an array of structures
****************************************************************************/
+static struct node_status *parse_node_status(char *p, int *num_names)
+{
+ struct node_status *ret;
+ int i;
+
+ *num_names = CVAL(p,0);
+
+ if (*num_names == 0) return NULL;
+
+ ret = (struct node_status *)malloc(sizeof(struct node_status)* (*num_names));
+ if (!ret) return NULL;
+
+ p++;
+ for (i=0;i< *num_names;i++) {
+ StrnCpy(ret[i].name,p,15);
+ trim_string(ret[i].name,NULL," ");
+ ret[i].type = CVAL(p,15);
+ ret[i].flags = p[16];
+ p += 18;
+ }
+ return ret;
+}
-static void _interpret_node_status(char *p, char *master,char *rname)
+
+/****************************************************************************
+do a NBT node status query on an open socket and return an array of
+structures holding the returned names or NULL if the query failed
+**************************************************************************/
+struct node_status *node_status_query(int fd,struct nmb_name *name,
+ struct in_addr to_ip, int *num_names)
{
- int numnames = CVAL(p,0);
- DEBUG(1,("received %d names\n",numnames));
-
- if (rname) *rname = 0;
- if (master) *master = 0;
-
- p += 1;
- while (numnames--) {
- char qname[17];
- int type;
- fstring flags;
- int i;
- *flags = 0;
- StrnCpy(qname,p,15);
- type = CVAL(p,15);
- p += 16;
-
- fstrcat(flags, (p[0] & 0x80) ? "<GROUP> " : " ");
- if ((p[0] & 0x60) == 0x00) fstrcat(flags,"B ");
- if ((p[0] & 0x60) == 0x20) fstrcat(flags,"P ");
- if ((p[0] & 0x60) == 0x40) fstrcat(flags,"M ");
- if ((p[0] & 0x60) == 0x60) fstrcat(flags,"H ");
- if (p[0] & 0x10) fstrcat(flags,"<DEREGISTERING> ");
- if (p[0] & 0x08) fstrcat(flags,"<CONFLICT> ");
- if (p[0] & 0x04) fstrcat(flags,"<ACTIVE> ");
- if (p[0] & 0x02) fstrcat(flags,"<PERMANENT> ");
-
- if (master && !*master && type == 0x1d) {
- StrnCpy(master,qname,15);
- trim_string(master,NULL," ");
- }
+ BOOL found=False;
+ int retries = 2;
+ int retry_time = 2000;
+ struct timeval tval;
+ struct packet_struct p;
+ struct packet_struct *p2;
+ struct nmb_packet *nmb = &p.packet.nmb;
+ struct node_status *ret;
+
+ ZERO_STRUCT(p);
+
+ nmb->header.name_trn_id = generate_trn_id();
+ nmb->header.opcode = 0;
+ nmb->header.response = False;
+ nmb->header.nm_flags.bcast = False;
+ nmb->header.nm_flags.recursion_available = False;
+ nmb->header.nm_flags.recursion_desired = False;
+ nmb->header.nm_flags.trunc = False;
+ nmb->header.nm_flags.authoritative = False;
+ nmb->header.rcode = 0;
+ nmb->header.qdcount = 1;
+ nmb->header.ancount = 0;
+ nmb->header.nscount = 0;
+ nmb->header.arcount = 0;
+ nmb->question.question_name = *name;
+ nmb->question.question_type = 0x21;
+ nmb->question.question_class = 0x1;
+
+ p.ip = to_ip;
+ p.port = NMB_PORT;
+ p.fd = fd;
+ p.timestamp = time(NULL);
+ p.packet_type = NMB_PACKET;
+
+ GetTimeOfDay(&tval);
+
+ if (!send_packet(&p))
+ return NULL;
- if (rname && !*rname && type == 0x20 && !(p[0]&0x80)) {
- StrnCpy(rname,qname,15);
- trim_string(rname,NULL," ");
- }
-
- for (i = strlen( qname) ; --i >= 0 ; ) {
- if (!isprint((int)qname[i])) qname[i] = '.';
- }
- DEBUG(1,("\t%-15s <%02x> - %s\n",qname,type,flags));
- p+=2;
- }
+ retries--;
- DEBUG(1,("num_good_sends=%d num_good_receives=%d\n",
- IVAL(p,20),IVAL(p,24)));
+ while (1) {
+ struct timeval tval2;
+ GetTimeOfDay(&tval2);
+ if (TvalDiff(&tval,&tval2) > retry_time) {
+ if (!retries)
+ break;
+ if (!found && !send_packet(&p))
+ return NULL;
+ GetTimeOfDay(&tval);
+ retries--;
+ }
+
+ if ((p2=receive_nmb_packet(fd,90,nmb->header.name_trn_id))) {
+ struct nmb_packet *nmb2 = &p2->packet.nmb;
+ debug_nmb_packet(p2);
+
+ if (nmb2->header.opcode != 0 ||
+ nmb2->header.nm_flags.bcast ||
+ nmb2->header.rcode ||
+ !nmb2->header.ancount ||
+ nmb2->answers->rr_type != 0x21) {
+ /* XXXX what do we do with this? could be a
+ redirect, but we'll discard it for the
+ moment */
+ free_packet(p2);
+ continue;
+ }
+
+ ret = parse_node_status(&nmb2->answers->rdata[0], num_names);
+ free_packet(p2);
+ return ret;
+ }
+ }
+
+ return NULL;
}
+
/****************************************************************************
- Internal function handling a netbios name status query on a host.
+find the first type XX name in a node status reply - used for finding
+a servers name given its IP
+return the matched name in *name
**************************************************************************/
-static BOOL internal_name_status(int fd,char *name,int name_type,BOOL recurse,
- struct in_addr to_ip,char *master,
- char *rname, BOOL verbose,
- void (*fn_interpret_node_status)(char *, char *,char *))
+
+BOOL name_status_find(const char *q_name, int q_type, int type, struct in_addr to_ip, char *name)
{
- BOOL found=False;
- int retries = 2;
- int retry_time = 5000;
+ struct node_status *status;
+ struct nmb_name nname;
+ int count, i;
+ int sock;
+
+ sock = open_socket_in(SOCK_DGRAM, 0, 3, interpret_addr(lp_socket_address()), True);
+ if (sock == -1)
+ return False;
+
+ /* W2K PDC's seem not to respond to '*'#0. JRA */
+ make_nmb_name(&nname, q_name, q_type);
+ status = node_status_query(sock, &nname, to_ip, &count);
+ close(sock);
+ if (!status)
+ return False;
+
+ for (i=0;i<count;i++) {
+ if (status[i].type == type)
+ break;
+ }
+ if (i == count)
+ return False;
+
+ pull_ascii(name, status[i].name, 15, 0, STR_TERMINATE);
+
+ SAFE_FREE(status);
+ return True;
+}
+
+/****************************************************************************
+ Do a NetBIOS name registation to try to claim a name ...
+***************************************************************************/
+BOOL name_register(int fd, const char *name, int name_type,
+ struct in_addr name_ip, int opcode,
+ BOOL bcast,
+ struct in_addr to_ip, int *count)
+{
+ int retries = 3;
struct timeval tval;
struct packet_struct p;
struct packet_struct *p2;
struct nmb_packet *nmb = &p.packet.nmb;
+ struct in_addr register_ip;
- memset((char *)&p,'\0',sizeof(p));
+ DEBUG(4, ("name_register: %s as %s on %s\n", name, inet_ntoa(name_ip), inet_ntoa(to_ip)));
+
+ register_ip.s_addr = name_ip.s_addr; /* Fix this ... */
+
+ memset((char *)&p, '\0', sizeof(p));
+
+ *count = 0;
nmb->header.name_trn_id = generate_trn_id();
- nmb->header.opcode = 0;
+ nmb->header.opcode = opcode;
nmb->header.response = False;
nmb->header.nm_flags.bcast = False;
nmb->header.nm_flags.recursion_available = False;
- nmb->header.nm_flags.recursion_desired = False;
+ nmb->header.nm_flags.recursion_desired = True; /* ? */
nmb->header.nm_flags.trunc = False;
- nmb->header.nm_flags.authoritative = False;
- nmb->header.rcode = 0;
+ nmb->header.nm_flags.authoritative = True;
+
nmb->header.qdcount = 1;
nmb->header.ancount = 0;
nmb->header.nscount = 0;
- nmb->header.arcount = 0;
+ nmb->header.arcount = 1;
- make_nmb_name(&nmb->question.question_name,name,name_type);
+ make_nmb_name(&nmb->question.question_name, name, name_type);
- nmb->question.question_type = 0x21;
+ nmb->question.question_type = 0x20;
nmb->question.question_class = 0x1;
+ /* Now, create the additional stuff for a registration request */
+
+ if ((nmb->additional = (struct res_rec *)malloc(sizeof(struct res_rec))) == NULL) {
+
+ DEBUG(0, ("name_register: malloc fail for additional record.\n"));
+ return False;
+
+ }
+
+ memset((char *)nmb->additional, '\0', sizeof(struct res_rec));
+
+ nmb->additional->rr_name = nmb->question.question_name;
+ nmb->additional->rr_type = RR_TYPE_NB;
+ nmb->additional->rr_class = RR_CLASS_IN;
+
+ /* See RFC 1002, sections 5.1.1.1, 5.1.1.2 and 5.1.1.3 */
+ if (nmb->header.nm_flags.bcast)
+ nmb->additional->ttl = PERMANENT_TTL;
+ else
+ nmb->additional->ttl = lp_max_ttl();
+
+ nmb->additional->rdlength = 6;
+
+ nmb->additional->rdata[0] = NB_MFLAG & 0xFF;
+
+ /* Set the address for the name we are registering. */
+ putip(&nmb->additional->rdata[2], ®ister_ip);
+
p.ip = to_ip;
p.port = NMB_PORT;
p.fd = fd;
GetTimeOfDay(&tval);
- if (!send_packet(&p))
- return(False);
+ if (!send_packet(&p))
+ return False;
retries--;
- while (1) {
- struct timeval tval2;
- GetTimeOfDay(&tval2);
- if (TvalDiff(&tval,&tval2) > retry_time) {
- if (!retries)
- break;
- if (!found && !send_packet(&p))
- return False;
- GetTimeOfDay(&tval);
- retries--;
- }
-
- if ((p2=receive_nmb_packet(fd,90,nmb->header.name_trn_id))) {
- struct nmb_packet *nmb2 = &p2->packet.nmb;
- debug_nmb_packet(p2);
-
- if (nmb2->header.opcode != 0 ||
- nmb2->header.nm_flags.bcast ||
- nmb2->header.rcode ||
- !nmb2->header.ancount ||
- nmb2->answers->rr_type != 0x21) {
- /* XXXX what do we do with this? could be a
- redirect, but we'll discard it for the
- moment */
- free_packet(p2);
- continue;
- }
-
- if(fn_interpret_node_status)
- (*fn_interpret_node_status)(&nmb2->answers->rdata[0],master,rname);
- free_packet(p2);
- return(True);
- }
+ if ((p2 = receive_nmb_packet(fd, 10, nmb->header.name_trn_id))) {
+ debug_nmb_packet(p2);
+ SAFE_FREE(p2); /* No memory leaks ... */
}
- if(verbose)
- DEBUG(0,("No status response (this is not unusual)\n"));
-
- return(False);
-}
-
-/****************************************************************************
- Do a netbios name status query on a host.
- The "master" parameter is a hack used for finding workgroups.
-**************************************************************************/
-BOOL name_status(int fd,char *name,int name_type,BOOL recurse,
- struct in_addr to_ip,char *master,char *rname)
-{
- return internal_name_status(fd,name,name_type,recurse,
- to_ip,master,rname,True,
- _interpret_node_status);
+ return True;
}
/****************************************************************************
Returns an array of IP addresses or NULL if none.
*count will be set to the number of addresses returned.
****************************************************************************/
-
struct in_addr *name_query(int fd,const char *name,int name_type,
BOOL bcast,BOOL recurse,
struct in_addr to_ip, int *count)
retries--;
- while (1)
- {
+ while (1) {
struct timeval tval2;
+ struct in_addr *tmp_ip_list;
+
GetTimeOfDay(&tval2);
if (TvalDiff(&tval,&tval2) > retry_time) {
if (!retries)
if ((p2=receive_nmb_packet(fd,90,nmb->header.name_trn_id))) {
struct nmb_packet *nmb2 = &p2->packet.nmb;
debug_nmb_packet(p2);
-
+
+ /* If we get a Negative Name Query Response from a WINS
+ * server, we should report it and give up.
+ */
+ if( 0 == nmb2->header.opcode /* A query response */
+ && !(bcast) /* from a WINS server */
+ && nmb2->header.rcode /* Error returned */
+ ) {
+
+ if( DEBUGLVL( 3 ) ) {
+ /* Only executed if DEBUGLEVEL >= 3 */
+ dbgtext( "Negative name query response, rcode 0x%02x: ", nmb2->header.rcode );
+ switch( nmb2->header.rcode ) {
+ case 0x01:
+ dbgtext( "Request was invalidly formatted.\n" );
+ break;
+ case 0x02:
+ dbgtext( "Problem with NBNS, cannot process name.\n");
+ break;
+ case 0x03:
+ dbgtext( "The name requested does not exist.\n" );
+ break;
+ case 0x04:
+ dbgtext( "Unsupported request error.\n" );
+ break;
+ case 0x05:
+ dbgtext( "Query refused error.\n" );
+ break;
+ default:
+ dbgtext( "Unrecognized error code.\n" );
+ break;
+ }
+ }
+ free_packet(p2);
+ return( NULL );
+ }
+
if (nmb2->header.opcode != 0 ||
nmb2->header.nm_flags.bcast ||
nmb2->header.rcode ||
/*
* XXXX what do we do with this? Could be a
* redirect, but we'll discard it for the
- * moment. */
+ * moment.
+ */
free_packet(p2);
continue;
}
- ip_list = (struct in_addr *)Realloc(ip_list, sizeof(ip_list[0]) *
- ((*count)+nmb2->answers->rdlength/6));
+ tmp_ip_list = (struct in_addr *)Realloc( ip_list, sizeof( ip_list[0] )
+ * ( (*count) + nmb2->answers->rdlength/6 ) );
+
+ if (!tmp_ip_list) {
+ DEBUG(0,("name_query: Realloc failed.\n"));
+ SAFE_FREE(ip_list);
+ }
+
+ ip_list = tmp_ip_list;
+
if (ip_list) {
- DEBUG(2,("Got a positive name query response from %s ( ",
- inet_ntoa(p2->ip)));
+ DEBUG(2,("Got a positive name query response from %s ( ", inet_ntoa(p2->ip)));
for (i=0;i<nmb2->answers->rdlength/6;i++) {
putip((char *)&ip_list[(*count)],&nmb2->answers->rdata[2+i*6]);
- DEBUG(2,("%s ",inet_ntoa(ip_list[(*count)])));
+ DEBUGADD(2,("%s ",inet_ntoa(ip_list[(*count)])));
(*count)++;
}
- DEBUG(2,(")\n"));
+ DEBUGADD(2,(")\n"));
}
found=True;
}
}
+ /* Reach here if we've timed out waiting for replies.. */
+ if( !bcast && !found ) {
+ /* Timed out wating for WINS server to respond. Mark it dead. */
+ wins_srv_died( to_ip );
+ }
+
return ip_list;
}
Start parsing the lmhosts file.
*********************************************************/
-FILE *startlmhosts(char *fname)
+XFILE *startlmhosts(char *fname)
{
- FILE *fp = sys_fopen(fname,"r");
- if (!fp) {
- DEBUG(4,("startlmhosts: Can't open lmhosts file %s. Error was %s\n",
- fname, strerror(errno)));
- return NULL;
- }
- return fp;
+ XFILE *fp = x_fopen(fname,O_RDONLY, 0);
+ if (!fp) {
+ DEBUG(4,("startlmhosts: Can't open lmhosts file %s. Error was %s\n",
+ fname, strerror(errno)));
+ return NULL;
+ }
+ return fp;
}
/********************************************************
Parse the next line in the lmhosts file.
*********************************************************/
-BOOL getlmhostsent( FILE *fp, pstring name, int *name_type, struct in_addr *ipaddr)
+BOOL getlmhostsent( XFILE *fp, pstring name, int *name_type, struct in_addr *ipaddr)
{
pstring line;
- while(!feof(fp) && !ferror(fp)) {
+ while(!x_feof(fp) && !x_ferror(fp)) {
pstring ip,flags,extra;
char *ptr;
int count = 0;
DEBUG(4, ("getlmhostsent: lmhost entry: %s %s %s\n", ip, name, flags));
- if (strchr(flags,'G') || strchr(flags,'S'))
+ if (strchr_m(flags,'G') || strchr_m(flags,'S'))
{
DEBUG(0,("getlmhostsent: group flag in lmhosts ignored (obsolete)\n"));
continue;
/* Extra feature. If the name ends in '#XX', where XX is a hex number,
then only add that name type. */
- if((ptr = strchr(name, '#')) != NULL)
+ if((ptr = strchr_m(name, '#')) != NULL)
{
char *endptr;
Finish parsing the lmhosts file.
*********************************************************/
-void endlmhosts(FILE *fp)
+void endlmhosts(XFILE *fp)
{
- fclose(fp);
+ x_fclose(fp);
+}
+
+BOOL name_register_wins(const char *name, int name_type)
+{
+ int sock, i, return_count;
+ int num_interfaces = iface_count();
+ struct in_addr sendto_ip;
+
+ /*
+ * Check if we have any interfaces, prevents a segfault later
+ */
+
+ if (num_interfaces <= 0)
+ return False; /* Should return some indication of the problem */
+
+ /*
+ * Do a broadcast register ...
+ */
+
+ if (0 == wins_srv_count())
+ return False;
+
+ if( DEBUGLVL( 4 ) )
+ {
+ dbgtext( "name_register_wins: Registering my name %s ", name );
+ dbgtext( "with WINS server %s.\n", wins_srv_name() );
+ }
+
+ sock = open_socket_in( SOCK_DGRAM, 0, 3,
+ interpret_addr("0.0.0.0"), True );
+
+ if (sock == -1) return False;
+
+ set_socket_options(sock, "SO_BROADCAST"); /* ????! crh */
+
+ sendto_ip = wins_srv_ip();
+
+ if (num_interfaces > 1) {
+
+ for (i = 0; i < num_interfaces; i++) {
+
+ if (!name_register(sock, name, name_type, *iface_n_ip(i),
+ NMB_NAME_MULTIHOMED_REG_OPCODE,
+ True, sendto_ip, &return_count)) {
+
+ close(sock);
+ return False;
+
+ }
+
+ }
+
+ }
+ else {
+
+ if (!name_register(sock, name, name_type, *iface_n_ip(0),
+ NMB_NAME_REG_OPCODE,
+ True, sendto_ip, &return_count)) {
+
+ close(sock);
+ return False;
+
+ }
+
+ }
+
+ close(sock);
+
+ return True;
+
}
/********************************************************
Resolve via "bcast" method.
*********************************************************/
-static BOOL resolve_bcast(const char *name, int name_type,
- struct in_addr **return_ip_list, int *return_count)
+BOOL name_resolve_bcast(const char *name, int name_type,
+ struct in_addr **return_ip_list, int *return_count)
{
int sock, i;
int num_interfaces = iface_count();
* "bcast" means do a broadcast lookup on all the local interfaces.
*/
- DEBUG(3,("resolve_bcast: Attempting broadcast lookup for name %s<0x%x>\n", name, name_type));
+ DEBUG(3,("name_resolve_bcast: Attempting broadcast lookup for name %s<0x%x>\n", name, name_type));
sock = open_socket_in( SOCK_DGRAM, 0, 3,
interpret_addr(lp_socket_address()), True );
DEBUG(3,("resolve_wins: Attempting wins lookup for name %s<0x%x>\n", name, name_type));
- if(!*lp_wins_server()) {
- DEBUG(3,("resolve_wins: WINS server resolution selected and no WINS server present.\n"));
+ if (lp_wins_support()) {
+ /*
+ * We're providing WINS support. Call ourselves so
+ * long as we're not nmbd.
+ */
+ extern struct in_addr loopback_ip;
+ wins_ip = loopback_ip;
+ wins_ismyip = True;
+ } else if( wins_srv_count() < 1 ) {
+ DEBUG(3,("resolve_wins: WINS server resolution selected and no WINS servers listed.\n"));
return False;
+ } else {
+ wins_ip = wins_srv_ip();
+ wins_ismyip = ismyip(wins_ip);
}
- wins_ip = *interpret_addr2(lp_wins_server());
- wins_ismyip = ismyip(wins_ip);
-
+ DEBUG(3, ("resolve_wins: WINS server == <%s>\n", inet_ntoa(wins_ip)) );
if((wins_ismyip && !global_in_nmbd) || !wins_ismyip) {
- sock = open_socket_in( SOCK_DGRAM, 0, 3,
- interpret_addr(lp_socket_address()), True );
-
+ sock = open_socket_in( SOCK_DGRAM, 0, 3,
+ interpret_addr(lp_socket_address()),
+ True );
if (sock != -1) {
- *return_iplist = name_query(sock, name, name_type, False,
- True, wins_ip, return_count);
+ *return_iplist = name_query( sock, name,
+ name_type, False,
+ True, wins_ip,
+ return_count);
if(*return_iplist != NULL) {
close(sock);
return True;
* "lmhosts" means parse the local lmhosts file.
*/
- FILE *fp;
+ XFILE *fp;
pstring lmhost_name;
int name_type2;
struct in_addr return_ip;
DEBUG(3,("resolve_lmhosts: Attempting lmhosts lookup for name %s<0x%x>\n", name, name_type));
- fp = startlmhosts( LMHOSTSFILE );
+ fp = startlmhosts(dyn_LMHOSTSFILE);
if(fp) {
while (getlmhostsent(fp, lmhost_name, &name_type2, &return_ip)) {
if (strequal(name, lmhost_name) &&
DEBUG(3,("resolve_hosts: Attempting host lookup for name %s<0x20>\n", name));
- if (((hp = Get_Hostbyname(name)) != NULL) && (hp->h_addr != NULL)) {
+ if (((hp = sys_gethostbyname(name)) != NULL) && (hp->h_addr != NULL)) {
struct in_addr return_ip;
putip((char *)&return_ip,(char *)hp->h_addr);
*return_iplist = (struct in_addr *)malloc(sizeof(struct in_addr));
BOOL allones = (strcmp(name,"255.255.255.255") == 0);
BOOL allzeros = (strcmp(name,"0.0.0.0") == 0);
BOOL is_address = is_ipaddress(name);
+ BOOL result = False;
+ struct in_addr *nodupes_iplist;
+ int i;
+
*return_iplist = NULL;
*return_count = 0;
+ DEBUG(10, ("internal_resolve_name: looking up %s#%x\n", name, name_type));
+
if (allzeros || allones || is_address) {
*return_iplist = (struct in_addr *)malloc(sizeof(struct in_addr));
if(*return_iplist == NULL) {
while (next_token(&ptr, tok, LIST_SEP, sizeof(tok))) {
if((strequal(tok, "host") || strequal(tok, "hosts"))) {
if (name_type == 0x20 && resolve_hosts(name, return_iplist, return_count)) {
- return True;
+ result = True;
+ goto done;
}
} else if(strequal( tok, "lmhosts")) {
if (resolve_lmhosts(name, name_type, return_iplist, return_count)) {
- return True;
+ result = True;
+ goto done;
}
} else if(strequal( tok, "wins")) {
/* don't resolve 1D via WINS */
if (name_type != 0x1D &&
resolve_wins(name, name_type, return_iplist, return_count)) {
- return True;
+ result = True;
+ goto done;
}
} else if(strequal( tok, "bcast")) {
- if (resolve_bcast(name, name_type, return_iplist, return_count)) {
- return True;
+ if (name_resolve_bcast(name, name_type, return_iplist, return_count)) {
+ result = True;
+ goto done;
}
} else {
DEBUG(0,("resolve_name: unknown name switch type %s\n", tok));
}
}
- if((*return_iplist) != NULL) {
- free((char *)(*return_iplist));
- *return_iplist = NULL;
- }
+ /* All of the resolve_* functions above have returned false. */
+
+ SAFE_FREE(*return_iplist);
+ *return_count = 0;
+
return False;
+
+ done:
+
+ /* Remove duplicate entries. Some queries, notably #1c (domain
+ controllers) return the PDC in iplist[0] and then all domain
+ controllers including the PDC in iplist[1..n]. Iterating over
+ the iplist when the PDC is down will cause two sets of timeouts. */
+
+ if ((nodupes_iplist = (struct in_addr *)
+ malloc(sizeof(struct in_addr) * (*return_count)))) {
+ int nodupes_count = 0;
+
+ /* Iterate over return_iplist looking for duplicates */
+
+ for (i = 0; i < *return_count; i++) {
+ BOOL is_dupe = False;
+ int j;
+
+ for (j = i + 1; j < *return_count; j++) {
+ if (ip_equal((*return_iplist)[i],
+ (*return_iplist)[j])) {
+ is_dupe = True;
+ break;
+ }
+ }
+
+ if (!is_dupe) {
+
+ /* This one not a duplicate */
+
+ nodupes_iplist[nodupes_count] = (*return_iplist)[i];
+ nodupes_count++;
+ }
+ }
+
+ /* Switcheroo with original list */
+
+ free(*return_iplist);
+
+ *return_iplist = nodupes_iplist;
+ *return_count = nodupes_count;
+ }
+
+ /* Display some debugging info */
+
+ DEBUG(10, ("internal_resolve_name: returning %d addresses: ",
+ *return_count));
+
+ for (i = 0; i < *return_count; i++)
+ DEBUGADD(10, ("%s ", inet_ntoa((*return_iplist)[i])));
+
+ DEBUG(10, ("\n"));
+
+ return result;
}
/********************************************************
if(internal_resolve_name(name, name_type, &ip_list, &count)) {
*return_ip = ip_list[0];
- free((char *)ip_list);
+ SAFE_FREE(ip_list);
return True;
}
- if(ip_list != NULL)
- free((char *)ip_list);
+ SAFE_FREE(ip_list);
return False;
}
+
+/********************************************************
+ resolve a name of format \\server_name or \\ipaddress
+ into a name. also, cut the \\ from the front for us.
+*********************************************************/
+
+BOOL resolve_srv_name(const char* srv_name, fstring dest_host,
+ struct in_addr *ip)
+{
+ BOOL ret;
+ const char *sv_name = srv_name;
+
+ DEBUG(10,("resolve_srv_name: %s\n", srv_name));
+
+ if (srv_name == NULL || strequal("\\\\.", srv_name))
+ {
+ extern pstring global_myname;
+ fstrcpy(dest_host, global_myname);
+ ip = interpret_addr2("127.0.0.1");
+ return True;
+ }
+
+ if (strnequal("\\\\", srv_name, 2))
+ {
+ sv_name = &srv_name[2];
+ }
+
+ fstrcpy(dest_host, sv_name);
+ /* treat the '*' name specially - it is a magic name for the PDC */
+ if (strcmp(dest_host,"*") == 0) {
+ extern pstring global_myname;
+ ret = resolve_name(lp_workgroup(), ip, 0x1B);
+ lookup_dc_name(global_myname, lp_workgroup(), ip, dest_host);
+ } else {
+ ret = resolve_name(dest_host, ip, 0x20);
+ }
+
+ if (is_ipaddress(dest_host))
+ {
+ fstrcpy(dest_host, "*SMBSERVER");
+ }
+
+ return ret;
+}
+
+
/********************************************************
Find the IP address of the master browser or DMB for a workgroup.
*********************************************************/
if (internal_resolve_name(group, 0x1D, &ip_list, &count)) {
*master_ip = ip_list[0];
- free((char *)ip_list);
+ SAFE_FREE(ip_list);
return True;
}
if(internal_resolve_name(group, 0x1B, &ip_list, &count)) {
*master_ip = ip_list[0];
- free((char *)ip_list);
+ SAFE_FREE(ip_list);
return True;
}
- if(ip_list != NULL)
- free((char *)ip_list);
+ SAFE_FREE(ip_list);
return False;
}
-
/********************************************************
- Lookup a PDC name given a Domain name and IP address.
+ Lookup a DC name given a Domain name and IP address.
*********************************************************/
-BOOL lookup_pdc_name(const char *srcname, const char *domain, struct in_addr *pdc_ip, char *ret_name)
+
+BOOL lookup_dc_name(const char *srcname, const char *domain,
+ struct in_addr *dc_ip, char *ret_name)
{
+#if !defined(I_HATE_WINDOWS_REPLY_CODE)
+
+ fstring dc_name;
+ BOOL ret;
+
+ /*
+ * Due to the fact win WinNT *sucks* we must do a node status
+ * query here... JRA.
+ */
+
+ *dc_name = '\0';
+
+ ret = name_status_find(domain, 0x1c, 0x20, *dc_ip, dc_name);
+
+ if(ret && *dc_name) {
+ fstrcpy(ret_name, dc_name);
+ return True;
+ }
+
+ return False;
+
+#else /* defined(I_HATE_WINDOWS_REPLY_CODE) */
+
+JRA - This code is broken with BDC rollover - we need to do a full
+NT GETDC call, UNICODE, NT domain SID and uncle tom cobbley and all...
+
int retries = 3;
int retry_time = 2000;
struct timeval tval;
int len;
struct sockaddr_in sock_name;
int sock_len = sizeof(sock_name);
- const char *mailslot = "\\MAILSLOT\\NET\\NETLOGON";
+ const char *mailslot = NET_LOGON_MAILSLOT;
char *mailslot_name;
char buffer[1024];
char *bufp;
bufp += 2;
fstrcpy(bufp,srcname);
bufp += (strlen(bufp) + 1);
- slprintf(bufp, sizeof(fstring), "\\MAILSLOT\\NET\\GETDC%d", dgm_id);
+ slprintf(bufp, sizeof(fstring)-1, "\\MAILSLOT\\NET\\GETDC%d", dgm_id);
mailslot_name = bufp;
bufp += (strlen(bufp) + 1);
- bufp = align2(bufp, buffer);
- bufp += dos_PutUniCode(bufp, srcname, sizeof(buffer) - (bufp - buffer) - 1, True);
+ bufp = ALIGN2(bufp, buffer);
+ bufp += push_ucs2(NULL, bufp, srcname, sizeof(buffer) - (bufp - buffer), STR_TERMINATE);
+
SIVAL(bufp,0,1);
SSVAL(bufp,4,0xFFFF);
SSVAL(bufp,6,0xFFFF);
dgram->header.packet_offset = 0;
make_nmb_name(&dgram->source_name,srcname,0);
- make_nmb_name(&dgram->dest_name,domain,0x1B);
+ make_nmb_name(&dgram->dest_name,domain,0x1C);
ptr = &dgram->data[0];
close(sock);
return False;
+#endif /* defined(I_HATE_WINDOWS_REPLY_CODE) */
}
/********************************************************
Get the IP address list of the PDC/BDC's of a Domain.
*********************************************************/
-BOOL get_dc_list(char *group, struct in_addr **ip_list, int *count)
+
+BOOL get_dc_list(BOOL pdc_only, const char *group, struct in_addr **ip_list, int *count)
+{
+ int name_type = pdc_only ? 0x1B : 0x1C;
+
+ /*
+ * If it's our domain then
+ * use the 'password server' parameter.
+ */
+
+ if (strequal(group, lp_workgroup())) {
+ char *p;
+ char *pserver = lp_passwordserver();
+ fstring name;
+ int num_adresses = 0;
+ struct in_addr *return_iplist = NULL;
+
+ if (! *pserver)
+ return internal_resolve_name(group, name_type, ip_list, count);
+
+ p = pserver;
+ while (next_token(&p,name,LIST_SEP,sizeof(name))) {
+ if (strequal(name, "*"))
+ return internal_resolve_name(group, name_type, ip_list, count);
+ num_adresses++;
+ }
+ if (num_adresses == 0)
+ return internal_resolve_name(group, name_type, ip_list, count);
+
+ return_iplist = (struct in_addr *)malloc(num_adresses * sizeof(struct in_addr));
+ if(return_iplist == NULL) {
+ DEBUG(3,("get_dc_list: malloc fail !\n"));
+ return False;
+ }
+ p = pserver;
+ *count = 0;
+ while (next_token(&p,name,LIST_SEP,sizeof(name))) {
+ struct in_addr name_ip;
+ if (resolve_name( name, &name_ip, 0x20) == False)
+ continue;
+ return_iplist[(*count)++] = name_ip;
+ }
+ *ip_list = return_iplist;
+ return (*count != 0);
+ } else
+ return internal_resolve_name(group, name_type, ip_list, count);
+}
+
+/********************************************************
+ Get the IP address list of the Local Master Browsers
+ ********************************************************/
+BOOL get_lmb_list(struct in_addr **ip_list, int *count)
{
- return internal_resolve_name(group, 0x1C, ip_list, count);
+ return internal_resolve_name( MSBROWSE, 0x1, ip_list, count);
}
git.samba.org / ira / wip.git / blobdiff