small merges from SAMBA_3_0; mostly typos, renames, etc...

(This used to be commit 9ac196dad4893b0ceef13281a140be5d85391e6c)

1 files changed, 179 insertions, 0 deletions

diff --git a/source3/libsmb/namequery.c b/source3/libsmb/namequery.c
index f446453b9a..342a2a2926 100644
--- a/source3/libsmb/namequery.c
+++ b/source3/libsmb/namequery.c
@@ -1001,6 +1001,7 @@ BOOL find_master_ip(const char *group, struct in_addr *master_ip)
 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;
 
@@ -1024,6 +1025,184 @@ BOOL lookup_dc_name(const char *srcname, const char *domain,
 	}
 	
 	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;
+	struct packet_struct p;
+	struct dgram_packet *dgram = &p.packet.dgram;
+	char *ptr,*p2;
+	char tmp[4];
+	int len;
+	struct sockaddr_in sock_name;
+	int sock_len = sizeof(sock_name);
+	const char *mailslot = NET_LOGON_MAILSLOT;
+	char *mailslot_name;
+	char buffer[1024];
+	char *bufp;
+	int dgm_id = generate_trn_id();
+	int sock = open_socket_in(SOCK_DGRAM, 0, 3, interpret_addr(lp_socket_address()), True );
+	
+	if(sock == -1)
+		return False;
+	
+	/* Find out the transient UDP port we have been allocated. */
+	if(getsockname(sock, (struct sockaddr *)&sock_name, &sock_len)<0) {
+		DEBUG(0,("lookup_pdc_name: Failed to get local UDP port. Error was %s\n",
+			 strerror(errno)));
+		close(sock);
+		return False;
+	}
+
+	/*
+	 * Create the request data.
+	 */
+
+	memset(buffer,'\0',sizeof(buffer));
+	bufp = buffer;
+	SSVAL(bufp,0,QUERYFORPDC);
+	bufp += 2;
+	fstrcpy(bufp,srcname);
+	bufp += (strlen(bufp) + 1);
+	slprintf(bufp, sizeof(fstring)-1, "\\MAILSLOT\\NET\\GETDC%d", dgm_id);
+	mailslot_name = bufp;
+	bufp += (strlen(bufp) + 1);
+	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); 
+	bufp += 8;
+	len = PTR_DIFF(bufp,buffer);
+
+	memset((char *)&p,'\0',sizeof(p));
+
+	/* DIRECT GROUP or UNIQUE datagram. */
+	dgram->header.msg_type = 0x10;
+	dgram->header.flags.node_type = M_NODE;
+	dgram->header.flags.first = True;
+	dgram->header.flags.more = False;
+	dgram->header.dgm_id = dgm_id;
+	dgram->header.source_ip = *iface_ip(*pdc_ip);
+	dgram->header.source_port = ntohs(sock_name.sin_port);
+	dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
+	dgram->header.packet_offset = 0;
+	
+	make_nmb_name(&dgram->source_name,srcname,0);
+	make_nmb_name(&dgram->dest_name,domain,0x1C);
+	
+	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);
+
+	CVAL(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);
+	pstrcpy(p2,mailslot);
+	p2 = skip_string(p2,1);
+	
+	memcpy(p2,buffer,len);
+	p2 += len;
+	
+	dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
+	
+	p.ip = *pdc_ip;
+	p.port = DGRAM_PORT;
+	p.fd = sock;
+	p.timestamp = time(NULL);
+	p.packet_type = DGRAM_PACKET;
+	
+	GetTimeOfDay(&tval);
+	
+	if (!send_packet(&p)) {
+		DEBUG(0,("lookup_pdc_name: send_packet failed.\n"));
+		close(sock);
+		return False;
+	}
+	
+	retries--;
+	
+	while (1) {
+		struct timeval tval2;
+		struct packet_struct *p_ret;
+		
+		GetTimeOfDay(&tval2);
+		if (TvalDiff(&tval,&tval2) > retry_time) {
+			if (!retries)
+				break;
+			if (!send_packet(&p)) {
+				DEBUG(0,("lookup_pdc_name: send_packet failed.\n"));
+				close(sock);
+				return False;
+			}
+			GetTimeOfDay(&tval);
+			retries--;
+		}
+
+		if ((p_ret = receive_dgram_packet(sock,90,mailslot_name))) {
+			struct dgram_packet *dgram2 = &p_ret->packet.dgram;
+			char *buf;
+			char *buf2;
+
+			buf = &dgram2->data[0];
+			buf -= 4;
+
+			if (CVAL(buf,smb_com) != SMBtrans) {
+				DEBUG(0,("lookup_pdc_name: datagram type %u != SMBtrans(%u)\n", (unsigned int)
+					 CVAL(buf,smb_com), (unsigned int)SMBtrans ));
+				free_packet(p_ret);
+				continue;
+			}
+			
+			len = SVAL(buf,smb_vwv11);
+			buf2 = smb_base(buf) + SVAL(buf,smb_vwv12);
+			
+			if (len <= 0) {
+				DEBUG(0,("lookup_pdc_name: datagram len < 0 (%d)\n", len ));
+				free_packet(p_ret);
+				continue;
+			}
+
+			DEBUG(4,("lookup_pdc_name: datagram reply from %s to %s IP %s for %s of type %d len=%d\n",
+				 nmb_namestr(&dgram2->source_name),nmb_namestr(&dgram2->dest_name),
+				 inet_ntoa(p_ret->ip), smb_buf(buf),SVAL(buf2,0),len));
+
+			if(SVAL(buf2,0) != QUERYFORPDC_R) {
+				DEBUG(0,("lookup_pdc_name: datagram type (%u) != QUERYFORPDC_R(%u)\n",
+					 (unsigned int)SVAL(buf,0), (unsigned int)QUERYFORPDC_R ));
+				free_packet(p_ret);
+				continue;
+			}
+
+			buf2 += 2;
+			/* Note this is safe as it is a bounded strcpy. */
+			fstrcpy(ret_name, buf2);
+			ret_name[sizeof(fstring)-1] = '\0';
+			close(sock);
+			free_packet(p_ret);
+			return True;
+		}
+	}
+	
+	close(sock);
+	return False;
+#endif /* defined(I_HATE_WINDOWS_REPLY_CODE) */
 }
 
 /********************************************************