added LSA Open Policy query and response processing to smbclient

(This used to be commit 16cc27852bf54999db4b0a3665b0743d9fe0e74a)

6 files changed, 286 insertions, 1 deletions

diff --git a/source3/client/ntclient.c b/source3/client/ntclient.c
index 93793cfccb..dab8bb1902 100644
--- a/source3/client/ntclient.c
+++ b/source3/client/ntclient.c
@@ -85,6 +85,102 @@ static uint16 open_rpc_pipe(char *inbuf, char *outbuf, char *rname, int Client,
 }
 
 /****************************************************************************
+do a LSA Open Policy
+****************************************************************************/
+static BOOL do_lsa_open_policy(uint16 fnum, char *server_name, LSA_POL_HND *hnd)
+{
+	char *rparam = NULL;
+	char *rdata = NULL;
+	char *p;
+	int rdrcnt,rprcnt;
+	pstring data; /* only 1024 bytes */
+	uint16 setup[2]; /* only need 2 uint16 setup parameters */
+	LSA_Q_OPEN_POL q_o;
+	int call_id = 0x1;
+    BOOL valid_pol = False;
+
+	if (hnd == NULL) return False;
+
+	/* create and send a MSRPC command with api LSA_OPENPOLICY */
+
+	DEBUG(4,("LSA Open Policy\n"));
+
+	/* store the parameters */
+	make_q_open_pol(&q_o, server_name, 0, 0, 0x1);
+
+	/* turn parameters into data stream */
+	p = lsa_io_q_open_pol(False, &q_o, data + 0x18, data, 4, 0);
+
+	/* create the request RPC_HDR with no data */
+	create_rpc_request(call_id, LSA_OPENPOLICY, data, PTR_DIFF(p, data));
+
+	/* create setup parameters. */
+	SIVAL(setup, 0, 0x0026); /* 0x26 indicates "transact named pipe" */
+	SIVAL(setup, 2, fnum); /* file handle, from the SMBcreateX pipe, earlier */
+
+	/* send the data on \PIPE\ */
+	if (cli_call_api("\\PIPE\\", 0, PTR_DIFF(p, data), 2, 1024,
+                BUFFER_SIZE,
+				&rprcnt, &rdrcnt,
+				NULL, data, setup,
+				&rparam, &rdata))
+	{
+		LSA_R_OPEN_POL r_o;
+		RPC_HDR hdr;
+		int hdr_len;
+		int pkt_len;
+
+		DEBUG(5, ("cli_call_api: return OK\n"));
+
+		p = rdata;
+
+		if (p) p = smb_io_rpc_hdr   (True, &hdr, p, rdata, 4, 0);
+		if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
+
+		hdr_len = PTR_DIFF(p, rdata);
+
+		if (p && hdr_len != hdr.frag_len - hdr.alloc_hint)
+		{
+			/* header length not same as calculated header length */
+			DEBUG(2,("do_lsa_open_policy: hdr_len %x != frag_len-alloc_hint\n",
+			          hdr_len, hdr.frag_len - hdr.alloc_hint));
+			p = NULL;
+		}
+
+		if (p) p = lsa_io_r_open_pol(True, &r_o, p, rdata, 4, 0);
+		
+		pkt_len = PTR_DIFF(p, rdata);
+
+		if (p && pkt_len != hdr.frag_len)
+		{
+			/* packet data size not same as reported fragment length */
+			DEBUG(2,("do_lsa_open_policy: pkt_len %x != frag_len \n",
+			                           pkt_len, hdr.frag_len));
+			p = NULL;
+		}
+
+		if (p && r_o.status != 0)
+		{
+			/* report error code */
+			DEBUG(0,("LSA_REQ_CHAL: nt_status error %lx\n", r_o.status));
+			p = NULL;
+		}
+
+		if (p)
+		{
+			/* ok, at last: we're happy. return the policy handle */
+			memcpy(hnd, r_o.pol.data, sizeof(hnd->data));
+			valid_pol = True;
+		}
+	}
+
+	if (rparam) free(rparam);
+	if (rdata) free(rdata);
+
+	return valid_pol;
+}
+
+/****************************************************************************
 do a LSA Request Challenge
 ****************************************************************************/
 static BOOL do_lsa_req_chal(uint16 fnum,
@@ -554,6 +650,7 @@ BOOL do_nt_login(char *desthost, char *myhostname,
 
 	DOM_ID_INFO_1 id1;
 	LSA_USER_INFO user_info1;
+	LSA_POL_HND pol;
 
 	UTIME zerotime;
 
@@ -561,6 +658,7 @@ BOOL do_nt_login(char *desthost, char *myhostname,
 	char nt_owf_mach_pwd[16];
 	fstring mach_acct;
 	fstring mach_pwd;
+	fstring server_name;
 
 	uint16 fnum;
 	char *inbuf,*outbuf; 
@@ -576,6 +674,33 @@ BOOL do_nt_login(char *desthost, char *myhostname,
 		return False;
 	}
 	
+	/******************* open the \PIPE\lsarpc file *****************/
+
+	if ((fnum = open_rpc_pipe(inbuf, outbuf, PIPE_LSARPC, Client, cnum)) == 0xffff)
+	{
+		free(inbuf); free(outbuf);
+		return False;
+	}
+
+	/******************* Open Policy ********************/
+
+	fstrcpy(server_name, ("\\\\"));
+	fstrcpy(&server_name[2], myhostname);
+
+	/* send an open policy request; receive a policy handle */
+	if (!do_lsa_open_policy(fnum, server_name, &pol))
+	{
+		cli_smb_close(inbuf, outbuf, Client, cnum, fnum);
+		free(inbuf); free(outbuf);
+		return False;
+	}
+
+	/******************* close the \PIPE\lsarpc file *******************/
+
+	cli_smb_close(inbuf, outbuf, Client, cnum, fnum);
+	
+
+
 	/******************* open the \PIPE\NETLOGON file *****************/
 
 	if ((fnum = open_rpc_pipe(inbuf, outbuf, PIPE_NETLOGON, Client, cnum)) == 0xffff)
@@ -696,7 +821,11 @@ BOOL do_nt_login(char *desthost, char *myhostname,
 		return False;
 	}
 
+	/******************** close the \PIPE\NETLOGON file **************/
+
 	cli_smb_close(inbuf, outbuf, Client, cnum, fnum);
+
+	/* free memory used in all rpc transactions, above */
 	free(inbuf); free(outbuf);
 
 	return True;
diff --git a/source3/include/proto.h b/source3/include/proto.h
index cdecd1ec88..6bb91e8c1f 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -373,6 +373,10 @@ struct share_ops *locking_slow_init(int ronly);
 
 /*The following definitions come from  lsaparse.c  */
 
+void make_q_open_pol(LSA_Q_OPEN_POL *r_q, char *server_name,
+			uint32 attributes, uint32 sec_qos,
+			uint16 desired_access);
+char* lsa_io_q_open_pol(BOOL io, LSA_Q_OPEN_POL *r_q, char *q, char *base, int align, int depth);
 char* lsa_io_r_open_pol(BOOL io, LSA_R_OPEN_POL *r_p, char *q, char *base, int align, int depth);
 char* lsa_io_q_query(BOOL io, LSA_Q_QUERY_INFO *q_q, char *q, char *base, int align, int depth);
 char* lsa_io_r_query(BOOL io, LSA_R_QUERY_INFO *r_q, char *q, char *base, int align, int depth);
@@ -944,6 +948,8 @@ char* smb_io_gid(BOOL io, DOM_GID *gid, char *q, char *base, int align, int dept
 void make_rpc_header(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type,
 				uint32 call_id, int data_len, uint8 opnum);
 char* smb_io_rpc_hdr(BOOL io, RPC_HDR *rpc, char *q, char *base, int align, int depth);
+void make_obj_attr(LSA_OBJ_ATTR *attr, uint32 attributes, uint32 sec_qos);
+char* smb_io_obj_attr(BOOL io, LSA_OBJ_ATTR *attr, char *q, char *base, int align, int depth);
 char* smb_io_pol_hnd(BOOL io, LSA_POL_HND *pol, char *q, char *base, int align, int depth);
 char* smb_io_dom_query_3(BOOL io, DOM_QUERY_3 *d_q, char *q, char *base, int align, int depth);
 char* smb_io_dom_query_5(BOOL io, DOM_QUERY_3 *d_q, char *q, char *base, int align, int depth);
diff --git a/source3/include/smb.h b/source3/include/smb.h
index 7019d41de0..e9734f379d 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -265,6 +265,7 @@ typedef fstring string;
 #define PIPE_SRVSVC   "\\PIPE\\srvsvc"
 #define PIPE_NETLOGON "\\PIPE\\NETLOGON"
 #define PIPE_NTLSA    "\\PIPE\\ntlsa"
+#define PIPE_LSARPC   "\\PIPE\\lsarpc"
 
 /* NETLOGON opcodes and data structures */
 
@@ -579,6 +580,27 @@ typedef struct lsa_policy_info
 
 } LSA_POL_HND;
 
+/* OBJ_ATTR (object attributes) */
+typedef struct object_attributes_info
+{
+	uint32 len;          /* 0x18 - length (in bytes) inc. the length field. */
+	uint32 ptr_root_dir; /* 0 - root directory (pointer) */
+	uint32 ptr_obj_name; /* 0 - object name (pointer) */
+	uint32 attributes;   /* 0 - attributes (undocumented) */
+	uint32 ptr_sec_desc; /* 0 - security descriptior (pointer) */
+	uint32 sec_qos;      /* 0 - security quality of service */
+
+} LSA_OBJ_ATTR;
+
+/* LSA_Q_OPEN_POL - LSA Query Open Policy */
+typedef struct lsa_q_open_pol_info
+{
+	UNISTR2      uni_server_name; /* server name, starting with two '\'s */
+	LSA_OBJ_ATTR attr           ; /* object attributes */
+
+	uint32 des_access; /* desired access attributes */
+
+} LSA_Q_OPEN_POL;
 
 /* LSA_R_OPEN_POL - response to LSA Open Policy */
 typedef struct lsa_r_open_pol_info
diff --git a/source3/lsaparse.c b/source3/lsaparse.c
index 33813ce7af..37cc51bbf8 100644
--- a/source3/lsaparse.c
+++ b/source3/lsaparse.c
@@ -25,6 +25,41 @@ extern int DEBUGLEVEL;
 
 
 /*******************************************************************
+makes an LSA_Q_OPEN_POL structure.
+********************************************************************/
+void make_q_open_pol(LSA_Q_OPEN_POL *r_q, char *server_name,
+			uint32 attributes, uint32 sec_qos,
+			uint16 desired_access)
+{
+	if (r_q == NULL) return;
+
+	DEBUG(5,("make_open_pol\n"));
+
+	make_unistr2 (&(r_q->uni_server_name), server_name, strlen(server_name));
+	make_obj_attr(&(r_q->attr           ), attributes, sec_qos);
+
+	r_q->des_access = desired_access;
+}
+
+/*******************************************************************
+reads or writes an LSA_Q_OPEN_POL structure.
+********************************************************************/
+char* lsa_io_q_open_pol(BOOL io, LSA_Q_OPEN_POL *r_q, char *q, char *base, int align, int depth)
+{
+	if (r_q == NULL) return NULL;
+
+	DEBUG(5,("%s%04x lsa_io_q_open_pol\n", tab_depth(depth), PTR_DIFF(q, base)));
+	depth++;
+
+	q = smb_io_unistr2 (io, &(r_q->uni_server_name), q, base, align, depth);
+	q = smb_io_obj_attr(io, &(r_q->attr           ), q, base, align, depth);
+
+	DBG_RW_SVAL("des_access", depth, base, io, q, r_q->des_access); q += 2;
+
+	return q;
+}
+
+/*******************************************************************
 reads or writes an LSA_R_OPEN_POL structure.
 ********************************************************************/
 char* lsa_io_r_open_pol(BOOL io, LSA_R_OPEN_POL *r_p, char *q, char *base, int align, int depth)
diff --git a/source3/pipentlsa.c b/source3/pipentlsa.c
index 05c6194263..4fc61f8e5b 100644
--- a/source3/pipentlsa.c
+++ b/source3/pipentlsa.c
@@ -34,6 +34,9 @@ extern int DEBUGLEVEL;
 
 #ifdef NTDOMAIN
 
+/***************************************************************************
+lsa_reply_open_policy
+ ***************************************************************************/
 static int lsa_reply_open_policy(char *q, char *base)
 {
 	int i;
@@ -54,6 +57,9 @@ static int lsa_reply_open_policy(char *q, char *base)
 	return PTR_DIFF(q, base);
 }
 
+/***************************************************************************
+make_dom_query
+ ***************************************************************************/
 static void make_dom_query(DOM_QUERY *d_q, char *dom_name, char *dom_sid)
 {
 	int domlen = strlen(dom_name);
@@ -70,6 +76,9 @@ static void make_dom_query(DOM_QUERY *d_q, char *dom_name, char *dom_sid)
 	make_dom_sid(&(d_q->dom_sid), dom_sid);
 }
 
+/***************************************************************************
+lsa_reply_query_info
+ ***************************************************************************/
 static int lsa_reply_query_info(LSA_Q_QUERY_INFO *q_q, char *q, char *base,
 				char *dom_name, char *dom_sid)
 {
@@ -91,7 +100,12 @@ static int lsa_reply_query_info(LSA_Q_QUERY_INFO *q_q, char *q, char *base,
 	return PTR_DIFF(q, base);
 }
 
-/* pretty much hard-coded choice of "other" sids, unfortunately... */
+/***************************************************************************
+make_dom_ref
+
+ pretty much hard-coded choice of "other" sids, unfortunately...
+
+ ***************************************************************************/
 static void make_dom_ref(DOM_R_REF *ref,
 				char *dom_name, char *dom_sid,
 				char *other_sid1, char *other_sid2, char *other_sid3)
@@ -123,6 +137,9 @@ static void make_dom_ref(DOM_R_REF *ref,
 	make_dom_sid(&(ref->ref_dom[3]), other_sid3);
 }
 
+/***************************************************************************
+make_reply_lookup_rids
+ ***************************************************************************/
 static void make_reply_lookup_rids(LSA_R_LOOKUP_RIDS *r_l,
 				int num_entries, uint32 dom_rids[MAX_LOOKUP_SIDS],
 				char *dom_name, char *dom_sid,
@@ -145,6 +162,9 @@ static void make_reply_lookup_rids(LSA_R_LOOKUP_RIDS *r_l,
 	r_l->num_entries3 = num_entries;
 }
 
+/***************************************************************************
+make_reply_lookup_sids
+ ***************************************************************************/
 static void make_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 				int num_entries, fstring dom_sids[MAX_LOOKUP_SIDS],
 				char *dom_name, char *dom_sid,
@@ -167,6 +187,9 @@ static void make_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 	r_l->num_entries3 = num_entries;
 }
 
+/***************************************************************************
+lsa_reply_lookup_sids
+ ***************************************************************************/
 static int lsa_reply_lookup_sids(char *q, char *base,
 				int num_entries, fstring dom_sids[MAX_LOOKUP_SIDS],
 				char *dom_name, char *dom_sid,
@@ -186,6 +209,9 @@ static int lsa_reply_lookup_sids(char *q, char *base,
 	return PTR_DIFF(q, base);
 }
 
+/***************************************************************************
+lsa_reply_lookup_rids
+ ***************************************************************************/
 static int lsa_reply_lookup_rids(char *q, char *base,
 				int num_entries, uint32 dom_rids[MAX_LOOKUP_SIDS],
 				char *dom_name, char *dom_sid,
@@ -205,6 +231,9 @@ static int lsa_reply_lookup_rids(char *q, char *base,
 	return PTR_DIFF(q, base);
 }
 
+/***************************************************************************
+api_lsa_open_policy
+ ***************************************************************************/
 static void api_lsa_open_policy( char *param, char *data,
                              char **rdata, int *rdata_len )
 {
@@ -215,6 +244,9 @@ static void api_lsa_open_policy( char *param, char *data,
 	*rdata_len = lsa_reply_open_policy(*rdata + 0x18, *rdata);
 }
 
+/***************************************************************************
+api_lsa_query_info
+ ***************************************************************************/
 static void api_lsa_query_info( char *param, char *data,
                                 char **rdata, int *rdata_len )
 {
@@ -233,6 +265,9 @@ static void api_lsa_query_info( char *param, char *data,
 									 dom_name, dom_sid);
 }
 
+/***************************************************************************
+api_lsa_lookup_sids
+ ***************************************************************************/
 static void api_lsa_lookup_sids( char *param, char *data,
                                  char **rdata, int *rdata_len )
 {
@@ -261,6 +296,9 @@ static void api_lsa_lookup_sids( char *param, char *data,
 				"S-1-1", "S-1-3", "S-1-5"); /* the three other SIDs */
 }
 
+/***************************************************************************
+api_lsa_lookup_names
+ ***************************************************************************/
 static void api_lsa_lookup_names( char *param, char *data,
                                   char **rdata, int *rdata_len )
 {
@@ -295,6 +333,9 @@ static void api_lsa_lookup_names( char *param, char *data,
 				"S-1-1", "S-1-3", "S-1-5"); /* the three other SIDs */
 }
 
+/***************************************************************************
+api_ntLsarpcTNP
+ ***************************************************************************/
 BOOL api_ntLsarpcTNP(int cnum,int uid, char *param,char *data,
 		     int mdrcnt,int mprcnt,
 		     char **rdata,char **rparam,
diff --git a/source3/smbparse.c b/source3/smbparse.c
index 785ae74b17..028f172b8e 100644
--- a/source3/smbparse.c
+++ b/source3/smbparse.c
@@ -840,6 +840,58 @@ char* smb_io_rpc_hdr(BOOL io, RPC_HDR *rpc, char *q, char *base, int align, int
 }
 
 /*******************************************************************
+makes an LSA_OBJ_ATTR structure.
+********************************************************************/
+void make_obj_attr(LSA_OBJ_ATTR *attr, uint32 attributes, uint32 sec_qos)
+{
+	if (attr == NULL) return;
+
+	DEBUG(5,("make_obj_attr\n"));
+
+	attr->len = 0x18; /* length of object attribute block, in bytes */
+	attr->ptr_root_dir = 0;
+	attr->ptr_obj_name = 0;
+	attr->attributes = attributes;
+	attr->ptr_sec_desc = 0;
+	attr->sec_qos = sec_qos;
+}
+
+/*******************************************************************
+reads or writes an LSA_OBJ_ATTR structure.
+********************************************************************/
+char* smb_io_obj_attr(BOOL io, LSA_OBJ_ATTR *attr, char *q, char *base, int align, int depth)
+{
+	char *start;
+
+	if (attr == NULL) return NULL;
+
+	DEBUG(5,("%s%04x smb_io_obj_attr\n",  tab_depth(depth), PTR_DIFF(q, base)));
+	depth++;
+
+	q = align_offset(q, base, align);
+	
+	start = q;
+
+	/* these pointers had _better_ be zero, because we don't know
+	   what they point to!
+	 */
+	DBG_RW_IVAL("len"         , depth, base, io, q, attr->len         ); q += 4; /* 0x18 - length (in bytes) inc. the length field. */
+	DBG_RW_IVAL("ptr_root_dir", depth, base, io, q, attr->ptr_root_dir); q += 4; /* 0 - root directory (pointer) */
+	DBG_RW_IVAL("ptr_obj_name", depth, base, io, q, attr->ptr_obj_name); q += 4; /* 0 - object name (pointer) */
+	DBG_RW_IVAL("attributes"  , depth, base, io, q, attr->attributes  ); q += 4; /* 0 - attributes (undocumented) */
+	DBG_RW_IVAL("ptr_sec_desc", depth, base, io, q, attr->ptr_sec_desc); q += 4; /* 0 - security descriptior (pointer) */
+	DBG_RW_IVAL("sec_qos"     , depth, base, io, q, attr->sec_qos     ); q += 4; /* 0 - security quality of service */
+
+	if (attr->len != PTR_DIFF(q, start))
+	{
+		DEBUG(3,("smb_io_obj_attr: length %lx does not match size %lx\n",
+		         attr->len, PTR_DIFF(q, start)));
+	}
+
+	return q;
+}
+
+/*******************************************************************
 reads or writes an LSA_POL_HND structure.
 ********************************************************************/
 char* smb_io_pol_hnd(BOOL io, LSA_POL_HND *pol, char *q, char *base, int align, int depth)