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path: root/source4/samba3_nmbd.patch
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This is a extremely rough patch that 'fixes' Samba3 nmbd to allow a
join from a WinXP client to a Samba4 server. Note that it hard-codes
the domain GUID. Please only use for testing Samba4 - do not apply
this to Samba3 svn.


Index: nmbd/nmbd_processlogon.c
===================================================================
--- nmbd/nmbd_processlogon.c	(revision 4247)
+++ nmbd/nmbd_processlogon.c	(working copy)
@@ -58,10 +58,37 @@
         tdb_close(tdb);
 }
 
+
+int push_components(unsigned char *q, const char *s)
+{
+	char *p;
+	int l, len = 0;
+
+	if (*s == 0) {
+		q[0] = 0;
+		return 1;
+	}
+
+	while ((p = strchr(s, '.'))) {
+		l = (p-s);
+		q[0] = l;
+		memcpy(q+1, s, l);
+		s += l + 1;
+		q += l+1;
+		len += l+1;
+	}
+
+	l = strlen(s);
+	q[0] = l;
+	memcpy(q+1, s, l+1);
+	len += strlen(s)+2;
+
+	return len;
+}
+
 /****************************************************************************
 Process a domain logon packet
 **************************************************************************/
-
 void process_logon_packet(struct packet_struct *p, char *buf,int len, 
                           const char *mailslot)
 {
@@ -393,6 +420,8 @@
 
 					get_mydnsdomname(domain);
 					get_myname(hostname);
+
+					pstrcpy(domain, "bludom.tridgell.net");
 	
 					if (SVAL(uniuser, 0) == 0) {
 						SIVAL(q, 0, SAMLOGON_AD_UNK_R);	/* user unknown */
@@ -403,6 +432,9 @@
 
 					SIVAL(q, 0, ADS_PDC|ADS_GC|ADS_LDAP|ADS_DS|
 						ADS_KDC|ADS_TIMESERV|ADS_CLOSEST|ADS_WRITABLE);
+					SIVAL(q, 0, 0x3fd);
+					SIVAL(q, 0, ADS_PDC|ADS_DS|
+						ADS_TIMESERV|ADS_CLOSEST|ADS_WRITABLE);
 					q += 4;
 
 					/* Push Domain GUID */
@@ -411,80 +443,34 @@
 						return;
 					}
 
+					smb_string_to_uuid("b0eac516-4a33-8675-4127-6bf058911234", &domain_guid);
+
+					dump_data(0, domain_guid.node, 6);
+
 					smb_uuid_pack(domain_guid, &flat_guid);
 					memcpy(q, &flat_guid.info, UUID_FLAT_SIZE);
-					q += UUID_FLAT_SIZE;
 
-					/* Forest */
-					str_offset = q - q_orig;
-					dc = domain;
-					q1 = q;
-					while ((component = strtok(dc, "."))) {
-						dc = NULL;
-						size = push_ascii(&q[1], component, -1, 0);
-						SCVAL(q, 0, size);
-						q += (size + 1);
-					}
+					dump_data(0, q, 16);
 
-					/* Unk0 */
-					SCVAL(q, 0, 0);
-					q++;
+					q += UUID_FLAT_SIZE;
 
-					/* Domain */
-					SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
-					SCVAL(q, 1, str_offset & 0xFF);
-					q += 2;
+					const char *dnsname = "192.168.115.1";
 
-					/* Hostname */
-					size = push_ascii(&q[1], hostname, -1, 0);
-					SCVAL(q, 0, size);
-					q += (size + 1);
-					SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
-					SCVAL(q, 1, str_offset & 0xFF);
-					q += 2;
-
-					/* NETBIOS of domain */
-					size = push_ascii(&q[1], lp_workgroup(), -1, STR_UPPER);
-					SCVAL(q, 0, size);
-					q += (size + 1);
-
-					/* Unk1 */
-					SCVAL(q, 0, 0);
-					q++;
-
-					/* NETBIOS of hostname */
-					size = push_ascii(&q[1], my_name, -1, 0);
-					SCVAL(q, 0, size);
-					q += (size + 1);
-
-					/* Unk2 */
-					SCVAL(q, 0, 0);
-					q++;
-
-					/* User name */
-					if (SVAL(uniuser, 0) != 0) {
-						size = push_ascii(&q[1], ascuser, -1, 0);
-						SCVAL(q, 0, size);
-						q += (size + 1);
+					q += push_components(q, domain);
+					q += push_components(q, domain);
+					q += push_components(q, dnsname);
+					q += push_components(q, lp_workgroup());
+					q += push_components(q, my_name);
+					q += push_components(q, "");
+					if (SVAL(uniuser, 0)) {
+						q += push_components(q, ascuser);
 					}
+					q += push_components(q, "Default-First-Site-Name");
+					q += push_components(q, "Default-First-Site-Name");
 
-					q_orig = q;
-					/* Site name */
-					size = push_ascii(&q[1], "Default-First-Site-Name", -1, 0);
-					SCVAL(q, 0, size);
-					q += (size + 1);
-
-					/* Site name (2) */
-					str_offset = q - q_orig;
-					SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
-					SCVAL(q, 1, str_offset & 0xFF);
-					q += 2;
-
-					SCVAL(q, 0, PTR_DIFF(q,q1));
-					SCVAL(q, 1, 0x10); /* unknown */
-
-					SIVAL(q, 0, 0x00000002);
-					q += 4; /* unknown */
+					SCVAL(q, 0, 0x10); /* unknown */
+					SIVAL(q, 1, 0x00000002);
+					q += 5;
 					SIVAL(q, 0, (iface_ip(p->ip))->s_addr);
 					q += 4;
 					SIVAL(q, 0, 0x00000000);
@@ -495,7 +481,7 @@
 #endif
 
 				/* tell the client what version we are */
-				SIVAL(q, 0, ((ntversion < 11) || (SEC_ADS != lp_security())) ? 1 : 13); 
+				SIVAL(q, 0, 13);
 				/* our ntversion */
 				SSVAL(q, 4, 0xffff); /* our lmnttoken */ 
 				SSVAL(q, 6, 0xffff); /* our lm20token */