FreeTDS Development Group

[Andrejs Dubovskis <adu AT lmt.lv>]

Hi,

when SQSH 1.7 is runing and no password entered SQSH calls
ct_con_props function with buffer=0x0 (buflen at the same time is 5).
Without following patch sqsh generates coredump.

Best regards, Andrejs

*** freetds-0.51/src/ctlib/ct.c.orig    Sat Nov  4 22:41:43 2000
--- freetds-0.51/src/ctlib/ct.c Tue Feb 20 10:54:29 2001
***************
*** 121,126 ****
--- 121,130 ----
        if (action==CS_SET) {
                if (property == CS_USERNAME || property == CS_PASSWORD
                 || property == CS_APPNAME  || property == CS_HOSTNAME)
{
+                       if (buffer == NULL) {
+                               set_buffer = (char *)malloc(1);
+                               *set_buffer = 0 ;
+                       } else
                        if (buflen == CS_NULLTERM) {
                                maxcp = strlen(buffer);
                                set_buffer = (char *)malloc(maxcp + 1);