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-rw-r--r--source3/include/nameserv.h7
-rw-r--r--source3/include/proto.h1
-rw-r--r--source3/lib/util.c38
-rw-r--r--source3/namelogon.c284
-rw-r--r--source3/namepacket.c6
5 files changed, 238 insertions, 98 deletions
diff --git a/source3/include/nameserv.h b/source3/include/nameserv.h
index 83f3a3c524..593c101d92 100644
--- a/source3/include/nameserv.h
+++ b/source3/include/nameserv.h
@@ -82,6 +82,7 @@
/* mail slots */
#define BROWSE_MAILSLOT "\\MAILSLOT\\BROWSE"
#define NET_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NETLOGON"
+#define NT_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NTLOGON"
enum name_source {STATUS_QUERY, LMHOSTS, REGISTER, SELF, DNS, DNSFAIL};
enum node_type {B_NODE=0, P_NODE=1, M_NODE=2, NBDD_NODE=3};
@@ -372,6 +373,12 @@ struct packet_struct
} packet;
};
+/* NETLOGON opcodes */
+#define QUERYFORPDC 7 /* Query for PDC */
+#define QUERYFORPDC_R 12 /* Response to Query for PDC */
+#define SAMLOGON 18
+#define SAMLOGON_R 19
+
/* ids for netbios packet types */
#define ANN_HostAnnouncement 1
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 93458bcaf9..f859e9bfa2 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -1071,3 +1071,4 @@ void pstrcpy(char *dest, char *src);
char *align4(char *q, char *base);
char *align2(char *q, char *base);
char *align_offset(char *q, char *base, int align_offset_len);
+void dump_data(int level,unsigned char *buf,int len);
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 4e6bfb7054..208f13aaf0 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -4390,3 +4390,41 @@ char *align_offset(char *q, char *base, int align_offset_len)
return q;
}
+static void print_asc(int level, unsigned char *buf,int len)
+{
+ int i;
+ for (i=0;i<len;i++)
+ DEBUG(level,("%c", isprint(buf[i])?buf[i]:'.'));
+}
+
+void dump_data(int level,unsigned char *buf,int len)
+{
+ int i=0;
+ if (len<=0) return;
+
+ DEBUG(level,("[%03X] ",i));
+ for (i=0;i<len;) {
+ DEBUG(level,("%02X ",(int)buf[i]));
+ i++;
+ if (i%8 == 0) DEBUG(level,(" "));
+ if (i%16 == 0) {
+ print_asc(level,&buf[i-16],8); DEBUG(level,(" "));
+ print_asc(level,&buf[i-8],8); DEBUG(level,("\n"));
+ if (i<len) DEBUG(level,("[%03X] ",i));
+ }
+ }
+ if (i%16) {
+ int n;
+
+ n = 16 - (i%16);
+ DEBUG(level,(" "));
+ if (n>8) DEBUG(level,(" "));
+ while (n--) DEBUG(level,(" "));
+
+ n = MIN(8,i%16);
+ print_asc(level,&buf[i-(i%16)],n); DEBUG(level,(" "));
+ n = (i%16) - n;
+ if (n>0) print_asc(level,&buf[i-n],n);
+ DEBUG(level,("\n"));
+ }
+}
diff --git a/source3/namelogon.c b/source3/namelogon.c
index 1f57139d56..e76c62dee2 100644
--- a/source3/namelogon.c
+++ b/source3/namelogon.c
@@ -29,8 +29,6 @@
extern int ClientDGRAM;
-#define TEST_CODE /* want to debug unknown browse packets */
-
extern int DEBUGLEVEL;
extern pstring myname;
@@ -42,104 +40,194 @@ extern pstring myname;
**************************************************************************/
void process_logon_packet(struct packet_struct *p,char *buf,int len)
{
- struct dgram_packet *dgram = &p->packet.dgram;
- char *logname,*q;
- fstring reply_name;
- BOOL add_slashes = False;
- pstring outbuf;
- int code,reply_code;
- char unknown_byte = 0;
- uint16 request_count = 0;
- uint16 token = 0;
-
- if (!lp_domain_logons())
- {
- DEBUG(3,("No domain logons\n"));
- return;
- }
-
-
- code = SVAL(buf,0);
- switch (code)
- {
- case 0:
- {
- char *machine = buf+2;
- char *user = skip_string(machine,1);
- char *tmp;
- logname = skip_string(user,1);
- tmp = skip_string(logname,1);
- unknown_byte = CVAL(tmp,0);
- request_count = SVAL(tmp,1);
- token = SVAL(tmp,3);
-
- reply_code = 0x6;
- fstrcpy(reply_name,myname);
- strupper(reply_name);
- add_slashes = True;
- DEBUG(3,("Domain login request from %s(%s) user=%s token=%x\n",
- machine,inet_ntoa(p->ip),user,token));
- break;
- }
- case 7:
- {
- char *machine = buf+2;
- logname = skip_string(machine,1);
- token = SVAL(skip_string(logname,1),0);
-
- fstrcpy(reply_name,lp_domain_controller());
- if (!*reply_name)
- {
- /* oo! no domain controller. must be us, then */
- fstrcpy(reply_name,myname);
- reply_code = 0xC;
- }
- else
- {
- /* refer logon request to the domain controller */
- reply_code = 0x7;
- }
-
- strupper(reply_name);
- DEBUG(3,("GETDC request from %s(%s), reporting %s 0x%x token=%x\n",
- machine,inet_ntoa(p->ip), reply_name, reply_code,token));
- break;
- }
- default:
- {
- DEBUG(3,("Unknown domain request %d\n",code));
- return;
- }
- }
-
- bzero(outbuf,sizeof(outbuf));
- q = outbuf;
- SSVAL(q,0,reply_code);
- q += 2;
-
- if (token == 0xffff || /* LM 2.0 or later */
- token == 0xfffe) /* WfWg networking */
- {
- if (add_slashes)
+ struct dgram_packet *dgram = &p->packet.dgram;
+ pstring my_name;
+ fstring reply_name;
+ BOOL add_slashes = False;
+ pstring outbuf;
+ int code,reply_code;
+ char unknown_byte = 0;
+ uint16 request_count = 0;
+ uint16 token = 0;
+
+ uint32 ntversion;
+ uint16 lmnttoken;
+ uint16 lm20token;
+ uint32 allowableaccount; /* Control bits, i.e. 0x80 == workstation trust a/c */
+ uint32 domainsidsize;
+ uint16 requestcount;
+ char *domainsid;
+ char *uniuser; /* Unicode user name */
+ pstring ascuser;
+ char *mailslot;
+ char *unicomp; /* Unicode computer name */
+ struct smb_passwd *smb_pass; /* To check if machine account exists */
+
+ if (!lp_domain_logons())
{
- strcpy(q,"\\\\");
- q += 2;
+ DEBUG(3,("No domain logons\n"));
+ return;
}
- strcpy(q, reply_name);
- strupper(q);
- q = skip_string(q,1);
-
- if (token == 0xffff) /* LM 2.0 or later */
+
+ strcpy(my_name, myname);
+ strupper(my_name);
+
+ code = SVAL(buf,0);
+ DEBUG(1,("namelogon: %x\n", code));
+
+ switch (code)
{
- SSVAL(q,0,token);
- q += 2;
+ case 0:
+ {
+ char *q = buf + 2;
+ char *machine = q;
+ char *user = skip_string(machine,1);
+
+ mailslot = skip_string(user,1);
+ q = skip_string(mailslot,1);
+ unknown_byte = CVAL(q,0);
+ request_count = SVAL(q,1);
+ token = SVAL(q,3);
+
+ reply_code = 0x6;
+ strcpy(reply_name,my_name);
+ add_slashes = True;
+
+ DEBUG(3,("Domain login request from %s(%s) user=%s token=%x\n",
+ machine,inet_ntoa(p->ip),user,token));
+
+ q = outbuf;
+ SSVAL(q, 0, 6); q += 2;
+
+ strcpy(reply_name, "\\\\");
+ strcat(reply_name, my_name);
+ strcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
+
+ SSVAL(q, 0, token); q += 2;
+
+ dump_data(4, outbuf, PTR_DIFF(q, outbuf));
+
+ send_mailslot_reply(True, mailslot, ClientDGRAM,
+ outbuf,PTR_DIFF(q,outbuf),
+ my_name,&dgram->source_name.name[0],0x20,0,
+ p->ip, *iface_ip(p->ip));
+ break;
+ }
+
+ case QUERYFORPDC:
+ {
+ char *q = buf + 2;
+ char *machine = q;
+ mailslot = skip_string(machine,1);
+ unicomp = skip_string(mailslot,1);
+
+ q = align2(q, buf);
+
+ q = skip_unicode_string(unicomp,1);
+
+ ntversion = IVAL(q, 0); q += 4;
+ lmnttoken = SVAL(q, 0); q += 2;
+ lm20token = SVAL(q, 0); q += 2;
+
+ /* construct reply */
+
+ q = outbuf;
+ SSVAL(q, 0, QUERYFORPDC_R); q += 2;
+
+ strcpy(reply_name,my_name);
+ strcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
+
+ q = align2(q, buf);
+
+ PutUniCode(q, my_name); q = skip_unicode_string(q, 1); /* PDC name */
+ PutUniCode(q, lp_workgroup()); q = skip_unicode_string(q, 1); /* Domain name. */
+
+ SIVAL(q, 0, ntversion); q += 4;
+ SSVAL(q, 0, lmnttoken); q += 2;
+ SSVAL(q, 0, lm20token); q += 2;
+
+ DEBUG(3,("GETDC request from %s(%s), reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
+ machine,inet_ntoa(p->ip), reply_name, lp_workgroup(),
+ QUERYFORPDC_R, (uint32)ntversion, (uint32)lmnttoken,
+ (uint32)lm20token));
+
+ dump_data(4, outbuf, PTR_DIFF(q, outbuf));
+
+ send_mailslot_reply(True, mailslot,ClientDGRAM,
+ outbuf,PTR_DIFF(q,outbuf),
+ my_name,&dgram->source_name.name[0],0x20,0,
+ p->ip, *iface_ip(p->ip));
+ return;
+ }
+
+ case SAMLOGON:
+ {
+ char *q = buf + 2;
+
+ requestcount = SVAL(q, 0); q += 2;
+ unicomp = q;
+ uniuser = skip_unicode_string(unicomp,1);
+ mailslot = skip_unicode_string(uniuser,1);
+ q = skip_string(mailslot,1);
+ allowableaccount = IVAL(q, 0); q += 4;
+ domainsidsize = IVAL(q, 0); q += 4;
+ domainsid = q;
+ q += domainsidsize + 3;
+ ntversion = IVAL(q, 0); q += 4;
+ lmnttoken = SVAL(q, 0); q += 2;
+ lm20token = SVAL(q, 0); q += 2;
+ DEBUG(3,("SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
+
+ /*
+ If MACHINE$ is in our password database then respond, else ignore.
+ Let's ignore the SID.
+ */
+ strcpy(ascuser,unistr(uniuser));
+ DEBUG(3,("SAMLOGON user %s\n", ascuser));
+ strcpy(reply_name,"\\\\"); /* Here it wants \\LOGONSERVER */
+ strcpy(reply_name+2,my_name); /* PAXX: Assuming we are logon svr */
+ smb_pass = get_smbpwnam(ascuser);
+
+ if(!smb_pass)
+ {
+ DEBUG(3,("SAMLOGON request from %s(%s) for %s, not in password file\n",
+ unistr(unicomp),inet_ntoa(p->ip), ascuser));
+ return;
+ }
+ else
+ {
+ DEBUG(3,("SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
+ unistr(unicomp),inet_ntoa(p->ip), ascuser, reply_name, lp_workgroup(),
+ SAMLOGON_R ,lmnttoken));
+ }
+
+ /* construct reply */
+
+ q = outbuf;
+ SSVAL(q, 0, SAMLOGON_R); q += 2;
+
+ PutUniCode(q, reply_name); q = skip_unicode_string(q, 1);
+ unistrcpy(q, uniuser); q = skip_unicode_string(q, 1); /* User name (workstation trust account) */
+ PutUniCode(q, lp_workgroup()); q = skip_unicode_string(q, 1); /* Domain name. */
+
+ SIVAL(q, 0, ntversion); q += 4;
+ SSVAL(q, 0, lmnttoken); q += 2;
+ SSVAL(q, 0, lm20token); q += 2;
+
+ dump_data(4, outbuf, PTR_DIFF(q, outbuf));
+
+ send_mailslot_reply(True, mailslot,ClientDGRAM,
+ outbuf,PTR_DIFF(q,outbuf),
+ my_name,&dgram->source_name.name[0],0x20,0,
+ p->ip, *iface_ip(p->ip));
+ break;
+ }
+
+ default:
+ {
+ DEBUG(3,("Unknown domain request %d\n",code));
+ return;
+ }
}
- }
-
- SSVAL(q,0,0xFFFF);
- q += 2;
-
- send_mailslot_reply(True, logname,ClientDGRAM,outbuf,PTR_DIFF(q,outbuf),
- myname,&dgram->source_name.name[0],0x20,0,p->ip,
- *iface_ip(p->ip));
+
}
diff --git a/source3/namepacket.c b/source3/namepacket.c
index 44e449b8c2..ba2497d7de 100644
--- a/source3/namepacket.c
+++ b/source3/namepacket.c
@@ -386,6 +386,12 @@ static void process_dgram(struct packet_struct *p)
process_logon_packet(p,buf2,len);
return;
}
+
+ /* datagram packet received for the NT domain log on mailslot */
+ if (strequal(smb_buf(buf),NT_LOGON_MAILSLOT)) {
+ process_logon_packet(p,buf2,len);
+ return;
+ }
}
/****************************************************************************
generated by cgit (git 2.34.1) at 2024-07-10 12:21:02 +0000