Author: jra
Date: 2006-07-25 21:23:34 +0000 (Tue, 25 Jul 2006)
New Revision: 17244

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=17244

Log:
There were several error paths where NT_PRINTER_INFO_LEVEL
wasn't being freed - also one enum jobs case where the
NT_PRINTER_INFO_LEVEL and queue weren't being freed.
Strange that Coverity or Klokwork didn't pick these up.
Hopefully will fix #3962.
Jeremy.

Modified:
   branches/SAMBA_3_0/source/rpc_server/srv_spoolss_nt.c
   branches/SAMBA_3_0_23/source/rpc_server/srv_spoolss_nt.c


Changeset:
Modified: branches/SAMBA_3_0/source/rpc_server/srv_spoolss_nt.c
===================================================================
--- branches/SAMBA_3_0/source/rpc_server/srv_spoolss_nt.c       2006-07-25 
20:40:31 UTC (rev 17243)
+++ branches/SAMBA_3_0/source/rpc_server/srv_spoolss_nt.c       2006-07-25 
21:23:34 UTC (rev 17244)
@@ -441,7 +441,7 @@
        const char *servername;
        fstring sname;
        BOOL found=False;
-       NT_PRINTER_INFO_LEVEL *printer;
+       NT_PRINTER_INFO_LEVEL *printer = NULL;
        WERROR result;
        
        DEBUG(4,("Setting printer name=%s (len=%lu)\n", handlename, (unsigned 
long)strlen(handlename)));
@@ -532,6 +532,7 @@
                printername++;
                
                if ( strequal(printername, aprinter) ) {
+                       free_a_printer( &printer, 2);
                        found = True;
                        break;
                }
@@ -541,6 +542,8 @@
                free_a_printer( &printer, 2);
        }
 
+       free_a_printer( &printer, 2);
+
        if ( !found ) {
                DEBUGADD(4,("Printer not found\n"));
                return False;
@@ -3551,6 +3554,7 @@
 
                if((info->data=SMB_REALLOC_ARRAY(info->data, 
SPOOL_NOTIFY_INFO_DATA, info->count+1)) == NULL) {
                        DEBUG(2,("construct_notify_printer_info: failed to 
enlarge buffer info->data!\n"));
+                       free_a_printer(&printer, 2);
                        return False;
                }
 
@@ -4181,6 +4185,7 @@
        *pp_printer = NULL;
        if ((printer = SMB_MALLOC_P(PRINTER_INFO_3)) == NULL) {
                DEBUG(2,("construct_printer_info_3: malloc fail.\n"));
+               free_a_printer(&ntprinter, 2);
                return False;
        }
 
@@ -4983,8 +4988,10 @@
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, 
lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_1(info, driver, servername, architecture);
 
@@ -5043,8 +5050,10 @@
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, 
lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_2(info, driver, servername);
 
@@ -6611,22 +6620,24 @@
 
        if (*returned == 0) {
                SAFE_FREE(queue);
+               free_a_printer(&ntprinter, 2);
                return WERR_OK;
        }
 
        switch (level) {
        case 1:
                wret = enumjobs_level1(queue, snum, ntprinter, buffer, offered, 
needed, returned);
-               return wret;
+               break;
        case 2:
                wret = enumjobs_level2(queue, snum, ntprinter, buffer, offered, 
needed, returned);
-               return wret;
+               break;
        default:
-               SAFE_FREE(queue);
                *returned=0;
                wret = WERR_UNKNOWN_LEVEL;
+               break;
        }
        
+       SAFE_FREE(queue);
        free_a_printer( &ntprinter, 2 );
        return wret;
 }

Modified: branches/SAMBA_3_0_23/source/rpc_server/srv_spoolss_nt.c
===================================================================
--- branches/SAMBA_3_0_23/source/rpc_server/srv_spoolss_nt.c    2006-07-25 
20:40:31 UTC (rev 17243)
+++ branches/SAMBA_3_0_23/source/rpc_server/srv_spoolss_nt.c    2006-07-25 
21:23:34 UTC (rev 17244)
@@ -441,7 +441,7 @@
        const char *servername;
        fstring sname;
        BOOL found=False;
-       NT_PRINTER_INFO_LEVEL *printer;
+       NT_PRINTER_INFO_LEVEL *printer = NULL;
        WERROR result;
        
        DEBUG(4,("Setting printer name=%s (len=%lu)\n", handlename, (unsigned 
long)strlen(handlename)));
@@ -532,6 +532,7 @@
                printername++;
                
                if ( strequal(printername, aprinter) ) {
+                       free_a_printer( &printer, 2);
                        found = True;
                        break;
                }
@@ -541,6 +542,8 @@
                free_a_printer( &printer, 2);
        }
 
+       free_a_printer( &printer, 2);
+
        if ( !found ) {
                DEBUGADD(4,("Printer not found\n"));
                return False;
@@ -3560,6 +3563,7 @@
 
                if((info->data=SMB_REALLOC_ARRAY(info->data, 
SPOOL_NOTIFY_INFO_DATA, info->count+1)) == NULL) {
                        DEBUG(2,("construct_notify_printer_info: failed to 
enlarge buffer info->data!\n"));
+                       free_a_printer(&printer, 2);
                        return False;
                }
 
@@ -4190,6 +4194,7 @@
        *pp_printer = NULL;
        if ((printer = SMB_MALLOC_P(PRINTER_INFO_3)) == NULL) {
                DEBUG(2,("construct_printer_info_3: malloc fail.\n"));
+               free_a_printer(&ntprinter, 2);
                return False;
        }
 
@@ -4992,8 +4997,10 @@
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, 
lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_1(info, driver, servername, architecture);
 
@@ -5052,8 +5059,10 @@
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, 
lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, 
printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_2(info, driver, servername);
 
@@ -6627,22 +6636,24 @@
 
        if (*returned == 0) {
                SAFE_FREE(queue);
+               free_a_printer(&ntprinter, 2);
                return WERR_OK;
        }
 
        switch (level) {
        case 1:
                wret = enumjobs_level1(queue, snum, ntprinter, buffer, offered, 
needed, returned);
-               return wret;
+               break;
        case 2:
                wret = enumjobs_level2(queue, snum, ntprinter, buffer, offered, 
needed, returned);
-               return wret;
+               break;
        default:
-               SAFE_FREE(queue);
                *returned=0;
                wret = WERR_UNKNOWN_LEVEL;
+               break;
        }
        
+       SAFE_FREE(queue);
        free_a_printer( &ntprinter, 2 );
        return wret;
 }

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