simple mods to add msrpc pipe redirection. default behaviour: fall back

to using internal msrpc code in smbd.
(This used to be commit 8976e26d46cb991710bc77463f7f928ac00dd4d8)

3 files changed, 63 insertions, 13 deletions

diff --git a/source3/smbd/ipc.c b/source3/smbd/ipc.c
index 4e9418fa94..cb4127aee4 100644
--- a/source3/smbd/ipc.c
+++ b/source3/smbd/ipc.c
@@ -3154,11 +3154,20 @@ static BOOL api_WPrintPortEnum(connection_struct *conn,uint16 vuid, char *param,
  Start the first part of an RPC reply which began with an SMBtrans request.
 ****************************************************************************/
 
-static BOOL api_rpc_trans_reply(char *outbuf, pipes_struct *p)
+static BOOL api_rpc_trans_reply(char *outbuf, pipes_struct *p,
+				char *redir_data, int redir_len)
 {
-	char *rdata = malloc(p->max_trans_reply);
+	char *rdata;
 	int data_len;
 
+	if (redir_data != NULL)
+	{
+		send_trans_reply(outbuf, NULL, 0, redir_data, redir_len,
+		                 redir_len > p->max_trans_reply);
+		return True;
+	}
+
+	rdata = malloc(p->max_trans_reply);
 	if(rdata == NULL) {
 		DEBUG(0,("api_rpc_trans_reply: malloc fail.\n"));
 		return False;
@@ -3284,11 +3293,23 @@ static int api_fd_reply(connection_struct *conn,uint16 vuid,char *outbuf,
 
 	switch (subcommand) {
 	case 0x26:
-		/* dce/rpc command */
-		reply = rpc_command(p, data, tdscnt);
+	{
+		char *rdata = NULL;
+		int rlen = mdrcnt;
+
+		if (p->m)
+		{
+			reply = readwrite_pipe(p, data, tdscnt, &rdata, &rlen);
+		}
+		else
+		{
+			/* dce/rpc command */
+			reply = rpc_command(p, data, tdscnt);
+		}
 		if (reply)
-			reply = api_rpc_trans_reply(outbuf, p);
+			reply = api_rpc_trans_reply(outbuf, p, rdata, rlen);
 		break;
+	}
 	case 0x53:
 		/* Wait Named Pipe Handle state */
 		reply = api_WNPHS(outbuf, p, params, tpscnt);
diff --git a/source3/smbd/pipes.c b/source3/smbd/pipes.c
index 15f52c0af6..1a9ac1d7a4 100644
--- a/source3/smbd/pipes.c
+++ b/source3/smbd/pipes.c
@@ -129,7 +129,16 @@ int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize)
 	if (numtowrite == 0)
 		nwritten = 0;
 	else
-		nwritten = write_to_pipe(p, data, numtowrite);
+	{
+		if (p->m != NULL)
+		{
+			nwritten = write_pipe(p, data, numtowrite);
+		}
+		else
+		{
+			nwritten = write_to_pipe(p, data, numtowrite);
+		}
+	}
 
 	if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
 		return (UNIXERROR(ERRDOS,ERRnoaccess));
@@ -207,7 +216,14 @@ int reply_pipe_read_and_X(char *inbuf,char *outbuf,int length,int bufsize)
 	set_message(outbuf,12,0,True);
 	data = smb_buf(outbuf);
 
-	nread = read_from_pipe(p, data, smb_maxcnt);
+	if (p->m != NULL)
+	{
+		nread = read_pipe(p, data, smb_maxcnt);
+	}
+	else
+	{
+		nread = read_from_pipe(p, data, smb_maxcnt);
+	}
 
 	if (nread < 0)
 		return(UNIXERROR(ERRDOS,ERRnoaccess));
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 0d45f11693..716f555c65 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -501,6 +501,8 @@ static void usage(char *pname)
 ****************************************************************************/
  int main(int argc,char *argv[])
 {
+	fstring sam_name;
+
 	extern BOOL append_log;
 	/* shall I run as a daemon */
 	BOOL is_daemon = False;
@@ -680,11 +682,6 @@ static void usage(char *pname)
 
 	fstrcpy(global_myworkgroup, lp_workgroup());
 
-	if(!pdb_generate_sam_sid()) {
-		DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
-		exit(1);
-	}
-
 	CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
 	
 	/* Setup the signals that allow the debug log level
@@ -734,7 +731,23 @@ static void usage(char *pname)
 
 	/* possibly reload the services file. */
 	reload_services(True);
-	
+
+	/* obtain or create a SAM SID */
+	if (lp_domain_logons())
+	{
+		fstrcpy(sam_name, global_myworkgroup);
+	}
+	else
+	{
+		fstrcpy(sam_name, global_myname);
+	}
+
+	if(!pdb_generate_sam_sid(sam_name, NULL))
+	{
+		DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
+		exit(1);
+	}
+
 	if (*lp_rootdir()) {
 		if (sys_chroot(lp_rootdir()) == 0)
 			DEBUG(2,("Changed root to %s\n", lp_rootdir()));