Added Gerald's lanman printing only change to HEAD.

Jeremy.
(This used to be commit b7bd512d9a9b543b9caf93c264776db6852c03ea)

3 files changed, 99 insertions, 167 deletions

diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 3fdb884a51..6b3ded8c60 100644
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -178,6 +178,7 @@ typedef struct
 	int maxdisksize;
 	int lpqcachetime;
 	int iMaxSmbdProcesses;
+	BOOL bLanmanPrinting;
 	int iTotalPrintJobs;
 	int syslog;
 	int os_level;
@@ -822,6 +823,7 @@ static struct parm_struct parm_table[] = {
 	{"postscript", P_BOOL, P_LOCAL, &sDefault.bPostscript, NULL, NULL, FLAG_PRINT},
 	{"printing", P_ENUM, P_LOCAL, &sDefault.iPrinting, NULL, enum_printing, FLAG_PRINT | FLAG_GLOBAL},
 	{"print command", P_STRING, P_LOCAL, &sDefault.szPrintcommand, NULL, NULL, FLAG_PRINT | FLAG_GLOBAL},
+	{"lanman printing only", P_BOOL, P_GLOBAL, &Globals.bLanmanPrinting, NULL, NULL, FLAG_PRINT | FLAG_GLOBAL},
 	{"lpq command", P_STRING, P_LOCAL, &sDefault.szLpqcommand, NULL, NULL, FLAG_PRINT | FLAG_GLOBAL},
 	{"lprm command", P_STRING, P_LOCAL, &sDefault.szLprmcommand, NULL, NULL, FLAG_PRINT | FLAG_GLOBAL},
 	{"lppause command", P_STRING, P_LOCAL, &sDefault.szLppausecommand, NULL, NULL, FLAG_PRINT | FLAG_GLOBAL},
@@ -1213,6 +1215,7 @@ static void init_globals(void)
 	Globals.max_xmit = 65535;
 	Globals.max_mux = 50;	/* This is *needed* for profile support. */
 	Globals.lpqcachetime = 10;
+	Globals.bLanmanPrinting = False;
 	Globals.iMaxSmbdProcesses = 0;/* no limit specified */
 	Globals.iTotalPrintJobs = 0;  /* no limit specified */
 	Globals.pwordlevel = 0;
@@ -1570,6 +1573,7 @@ FN_GLOBAL_INTEGER(lp_security, &Globals.security)
 FN_GLOBAL_INTEGER(lp_maxdisksize, &Globals.maxdisksize)
 FN_GLOBAL_INTEGER(lp_lpqcachetime, &Globals.lpqcachetime)
 FN_GLOBAL_INTEGER(lp_max_smbd_processes, &Globals.iMaxSmbdProcesses)
+FN_GLOBAL_INTEGER(lp_lanman_printing_only, &Globals.bLanmanPrinting)
 FN_GLOBAL_INTEGER(lp_totalprintjobs, &Globals.iTotalPrintJobs)
 FN_GLOBAL_INTEGER(lp_syslog, &Globals.syslog)
 static FN_GLOBAL_INTEGER(lp_announce_as, &Globals.announce_as)
diff --git a/source3/smbd/lanman.c b/source3/smbd/lanman.c
index aaf8b3fafe..c84812cb83 100644
--- a/source3/smbd/lanman.c
+++ b/source3/smbd/lanman.c
@@ -845,120 +845,112 @@ static BOOL api_DosPrintQGetInfo(connection_struct *conn,
 				 char **rdata,char **rparam,
 				 int *rdata_len,int *rparam_len)
 {
-  char *str1 = param+2;
-  char *str2 = skip_string(str1,1);
-  char *p = skip_string(str2,1);
-  char *QueueName = p;
-  int uLevel;
-  int count=0;
-  int snum;
-  char* str3;
-  struct pack_desc desc;
-  print_queue_struct *queue=NULL;
-  print_status_struct status;
-  char* tmpdata=NULL;
+	char *str1 = param+2;
+	char *str2 = skip_string(str1,1);
+	char *p = skip_string(str2,1);
+	char *QueueName = p;
+	int uLevel;
+	int count=0;
+	int snum;
+	char* str3;
+	struct pack_desc desc;
+	print_queue_struct *queue=NULL;
+	print_status_struct status;
+	char* tmpdata=NULL;
 
-  memset((char *)&status,'\0',sizeof(status));
-  memset((char *)&desc,'\0',sizeof(desc));
+	memset((char *)&status,'\0',sizeof(status));
+	memset((char *)&desc,'\0',sizeof(desc));
  
-  p = skip_string(p,1);
-  uLevel = SVAL(p,0);
-  str3 = p + 4;
+	p = skip_string(p,1);
+	uLevel = SVAL(p,0);
+	str3 = p + 4;
  
-  /* remove any trailing username */
-  if ((p = strchr_m(QueueName,'%'))) *p = 0;
+	/* remove any trailing username */
+	if ((p = strchr_m(QueueName,'%')))
+		*p = 0;
  
-  DEBUG(3,("PrintQueue uLevel=%d name=%s\n",uLevel,QueueName));
+	DEBUG(3,("api_DosPrintQGetInfo uLevel=%d name=%s\n",uLevel,QueueName));
  
-  /* check it's a supported varient */
-  if (!prefix_ok(str1,"zWrLh")) return False;
-  if (!check_printq_info(&desc,uLevel,str2,str3)) {
-    /*
-     * Patch from Scott Moomaw <scott@bridgewater.edu>
-     * to return the 'invalid info level' error if an
-     * unknown level was requested.
-     */
-    *rdata_len = 0;
-    *rparam_len = 6;
-    *rparam = REALLOC(*rparam,*rparam_len);
-    SSVALS(*rparam,0,ERROR_INVALID_LEVEL);
-    SSVAL(*rparam,2,0);
-    SSVAL(*rparam,4,0);
-    return(True);
-  }
+	/* check it's a supported varient */
+	if (!prefix_ok(str1,"zWrLh"))
+		return False;
+	if (!check_printq_info(&desc,uLevel,str2,str3)) {
+		/*
+		 * Patch from Scott Moomaw <scott@bridgewater.edu>
+		 * to return the 'invalid info level' error if an
+		 * unknown level was requested.
+		 */
+		*rdata_len = 0;
+		*rparam_len = 6;
+		*rparam = REALLOC(*rparam,*rparam_len);
+		SSVALS(*rparam,0,ERROR_INVALID_LEVEL);
+		SSVAL(*rparam,2,0);
+		SSVAL(*rparam,4,0);
+		return(True);
+	}
  
-  snum = lp_servicenumber(QueueName);
-  if (snum < 0 && pcap_printername_ok(QueueName,NULL)) {
-    int pnum = lp_servicenumber(PRINTERS_NAME);
-    if (pnum >= 0) {
-      lp_add_printer(QueueName,pnum);
-      snum = lp_servicenumber(QueueName);
-    }
-  }
+	snum = lp_servicenumber(QueueName);
+	if (snum < 0 && pcap_printername_ok(QueueName,NULL)) {
+		int pnum = lp_servicenumber(PRINTERS_NAME);
+		if (pnum >= 0) {
+			lp_add_printer(QueueName,pnum);
+			snum = lp_servicenumber(QueueName);
+		}
+	}
   
-  if (snum < 0 || !VALID_SNUM(snum)) return(False);
+	if (snum < 0 || !VALID_SNUM(snum))
+		return(False);
 
-  if (uLevel==52) {
-	  count = get_printerdrivernumber(snum);
-	  DEBUG(3,("api_DosPrintQGetInfo: Driver files count: %d\n",count));
-  } else {
-	  count = print_queue_status(snum, &queue,&status);
-  }
+	if (uLevel==52) {
+		count = get_printerdrivernumber(snum);
+		DEBUG(3,("api_DosPrintQGetInfo: Driver files count: %d\n",count));
+	} else {
+		count = print_queue_status(snum, &queue,&status);
+	}
 
-  if (mdrcnt > 0) {
-    *rdata = REALLOC(*rdata,mdrcnt);
-    desc.base = *rdata;
-    desc.buflen = mdrcnt;
-  } else {
-    /*
-     * Don't return data but need to get correct length
-     *  init_package will return wrong size if buflen=0
-     */
-     desc.buflen = getlen(desc.format);
-     desc.base = tmpdata = (char *) malloc (desc.buflen);
-  }
+	if (mdrcnt > 0) {
+		*rdata = REALLOC(*rdata,mdrcnt);
+		desc.base = *rdata;
+		desc.buflen = mdrcnt;
+	} else {
+		/*
+		 * Don't return data but need to get correct length
+		 * init_package will return wrong size if buflen=0
+		 */
+		desc.buflen = getlen(desc.format);
+		desc.base = tmpdata = (char *) malloc (desc.buflen);
+	}
 
-  if (init_package(&desc,1,count)) {
-	  desc.subcount = count;
-	  fill_printq_info(conn,snum,uLevel,&desc,count,queue,&status);
-  } else if(uLevel == 0) {
-#if 0
-	/*
-	 * This is a *disgusting* hack.
-	 * This is *so* bad that even I'm embarrassed (and I
-	 * have no shame). Here's the deal :
- 	 * Until we get the correct SPOOLSS code into smbd
- 	 * then when we're running with NT SMB support then
- 	 * NT makes this call with a level of zero, and then
- 	 * immediately follows it with an open request to
- 	 * the \\SRVSVC pipe. If we allow that open to
- 	 * succeed then NT barfs when it cannot open the
- 	 * \\SPOOLSS pipe immediately after and continually
- 	 * whines saying "Printer name is invalid" forever
- 	 * after. If we cause *JUST THIS NEXT OPEN* of \\SRVSVC
- 	 * to fail, then NT downgrades to using the downlevel code
- 	 * and everything works as well as before. I hate
- 	 * myself for adding this code.... JRA.
- 	 */
-
-	fail_next_srvsvc_open();
-#endif
-  }
+	if (init_package(&desc,1,count)) {
+		desc.subcount = count;
+		fill_printq_info(conn,snum,uLevel,&desc,count,queue,&status);
+	}
 
-  *rdata_len = desc.usedlen;
+	*rdata_len = desc.usedlen;
   
-  *rparam_len = 6;
-  *rparam = REALLOC(*rparam,*rparam_len);
-  SSVALS(*rparam,0,desc.errcode);
-  SSVAL(*rparam,2,0);
-  SSVAL(*rparam,4,desc.neededlen);
+	/*
+	 * We must set the return code to ERRbuftoosmall
+	 * in order to support lanman style printing with Win NT/2k
+	 * clients       --jerry
+	 */
+	if (!mdrcnt && lp_lanman_printing_only())
+		desc.errcode = ERRbuftoosmall;
+ 
+    *rdata_len = desc.usedlen;
+	*rparam_len = 6;
+	*rparam = REALLOC(*rparam,*rparam_len);
+	SSVALS(*rparam,0,desc.errcode);
+	SSVAL(*rparam,2,0);
+	SSVAL(*rparam,4,desc.neededlen);
   
-  DEBUG(4,("printqgetinfo: errorcode %d\n",desc.errcode));
+	DEBUG(4,("printqgetinfo: errorcode %d\n",desc.errcode));
 
-  if (queue) free(queue);
-  if (tmpdata) free (tmpdata);
+	if (queue)
+		free(queue);
+	if (tmpdata)	
+		free (tmpdata);
 
-  return(True);
+	return(True);
 }
 
 /****************************************************************************
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index f0403f011e..d342e44ca4 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -459,69 +459,6 @@ to open_mode %x\n", (unsigned long)desired_access, (unsigned long)share_access,
   return smb_open_mode;
 }
 
-#if 0
-/*
- * This is a *disgusting* hack.
- * This is *so* bad that even I'm embarrassed (and I
- * have no shame). Here's the deal :
- * Until we get the correct SPOOLSS code into smbd
- * then when we're running with NT SMB support then
- * NT makes this call with a level of zero, and then
- * immediately follows it with an open request to
- * the \\SRVSVC pipe. If we allow that open to
- * succeed then NT barfs when it cannot open the
- * \\SPOOLSS pipe immediately after and continually
- * whines saying "Printer name is invalid" forever
- * after. If we cause *JUST THIS NEXT OPEN* of \\SRVSVC
- * to fail, then NT downgrades to using the downlevel code
- * and everything works as well as before. I hate
- * myself for adding this code.... JRA.
- *
- * The HACK_FAIL_TIME define allows only a 2
- * second window for this to occur, just in
- * case...
- */
-
-static BOOL fail_next_srvsvc = False;
-static time_t fail_time;
-#define HACK_FAIL_TIME 2 /* In seconds. */
-
-void fail_next_srvsvc_open(void)
-{
-  /* Check client is WinNT proper; Win2K doesn't like Jeremy's hack - matty */
-  if (get_remote_arch() != RA_WINNT)
-    return;
-
-  fail_next_srvsvc = True;
-  fail_time = time(NULL);
-  DEBUG(10,("fail_next_srvsvc_open: setting up timeout close of \\srvsvc pipe for print fix.\n"));
-}
-
-/*
- * HACK alert.... see above - JRA.
- */
-
-BOOL should_fail_next_srvsvc_open(const char *pipename)
-{
-
-  DEBUG(10,("should_fail_next_srvsvc_open: fail = %d, pipe = %s\n",
-    (int)fail_next_srvsvc, pipename));
-
-  if(fail_next_srvsvc && (time(NULL) > fail_time + HACK_FAIL_TIME)) {
-    fail_next_srvsvc = False;
-    fail_time = (time_t)0;
-    DEBUG(10,("should_fail_next_srvsvc_open: End of timeout close of \\srvsvc pipe for print fix.\n"));
-  }
-
-  if(fail_next_srvsvc && strequal(pipename, "srvsvc")) {
-    fail_next_srvsvc = False;
-    DEBUG(10,("should_fail_next_srvsvc_open: Deliberately failing open of \\srvsvc pipe for print fix.\n"));
-    return True;
-  }
-  return False;
-}
-#endif
-
 /****************************************************************************
  Reply to an NT create and X call on a pipe.
 ****************************************************************************/
@@ -536,6 +473,10 @@ static int nt_open_pipe(char *fname, connection_struct *conn,
 	DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
     
 	/* See if it is one we want to handle. */
+
+	if (lp_lanman_printing_only() && strequal(fname, "\\spoolss"))
+		return(ERROR(ERRSRV,ERRaccess));
+
 	for( i = 0; known_nt_pipes[i]; i++ )
 		if( strequal(fname,known_nt_pipes[i]))
 			break;
@@ -546,11 +487,6 @@ static int nt_open_pipe(char *fname, connection_struct *conn,
 	/* Strip \\ off the name. */
 	fname++;
     
-#if 0
-	if(should_fail_next_srvsvc_open(fname))
-		return (ERROR(ERRSRV,ERRaccess));
-#endif
-
 	DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 
 	p = open_rpc_pipe_p(fname, conn, vuid);