Looking at SC23-0960-0, with a bug report from OBS/UCB, there are

[unix-history] / usr / src / usr.bin / tn3270 / ctlr / api.c

diff --git a/usr/src/usr.bin/tn3270/ctlr/api.c b/usr/src/usr.bin/tn3270/ctlr/api.c
index 06f271f..6ac6c18 100644 (file)
--- a/usr/src/usr.bin/tn3270/ctlr/api.c
+++ b/usr/src/usr.bin/tn3270/ctlr/api.c
@@ -16,7 +16,7 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-static char sccsid[] = "@(#)api.c      4.1 (Berkeley) %G%";
+static char sccsid[] = "@(#)api.c      4.2 (Berkeley) %G%";

 #endif /* not lint */
 
 /*
 #endif /* not lint */
 
 /*


@@ -31,6 +31,7 @@ static char sccsid[] = "@(#)api.c     4.1 (Berkeley) %G%";
 #include "../api/disp_asc.h"
 
 #include "screen.h"
 #include "../api/disp_asc.h"
 
 #include "screen.h"

+#include "hostctlr.h"

 #include "oia.h"
 
 #include "../general/globals.h"
 #include "oia.h"
 
 #include "../general/globals.h"


@@ -495,13 +496,23 @@ struct SREGS *sregs;
     } else if (source->session_id != 0) {
            parms.rc = 0xd;
     } else {
     } else if (source->session_id != 0) {
            parms.rc = 0xd;
     } else {

-       if ((target->begin < 0) || (source->begin > highestof(Host))) {
-           parms.rc = 0x07;            /* invalid source definition */
+       /* Send to presentation space (3270 buffer) */
+       if ((target->begin < 0) || (target->begin > highestof(Host))) {
+           parms.rc = 0x07;            /* invalid target definition */
+       } if (!UnLocked) {
+               parms.rc = 0x03;        /* Keyboard locked */
+       } else if (parms.copy_mode != 0) {
+               parms.rc = 0x0f;        /* Copy of field attr's not allowed */
+       } else if (IsProtected(target->begin) || /* Make sure no protected */
+                   (WhereAttrByte(target->begin) !=    /* in range */
+                           WhereAttrByte(target->begin+length-1))) {
+               parms.rc = 0x0e;        /* Attempt to write in protected */

        } else {
        } else {

-           if ((source->begin+length) > highestof(Host)) {
-               length = highestof(Host)-source->begin;
+           if ((target->begin+length) > highestof(Host)) {
+               length = highestof(Host)-target->begin;

                parms.rc = 0x0f;        /* Truncate */
            }
                parms.rc = 0x0f;        /* Truncate */
            }

+           TurnOnMdt(target->begin);   /* Things have changed */

            if ((source->characteristics == target->characteristics) &&
                    (source->session_type == target->session_type)) {
                if (source->characteristics&CHARACTERISTIC_EAB) {
            if ((source->characteristics == target->characteristics) &&
                    (source->session_type == target->session_type)) {
                if (source->characteristics&CHARACTERISTIC_EAB) {