This patch fixes an obscure bug in the following versions of INN.

	1.4unoff3 and 1.4unoff4

Thanks to Matt Power for finding this and supplying the fix.

James Brister
inn@isc.org
---------------------------------------------------------------------------
*** inn1.4unoff4/samples/parsecontrol	Mon Aug  7 15:51:08 1995
--- inn1.4unoff4/samples/parsecontrol.new	Thu Mar  6 23:21:54 1997
***************
*** 10,16 ****
  az=abcdefghijklmnopqrstuvwxyz
  ZN=0123456789
  # Attempt to sanitize the address
! FROM="`echo \"$1\" | tr ${AZ} ${az} | tr -dc ${az}${ZN}+-_.@%`"
  REPLYTO="$2"
  case "$3" in
  "")
--- 10,16 ----
  az=abcdefghijklmnopqrstuvwxyz
  ZN=0123456789
  # Attempt to sanitize the address
! FROM="`echo \"$1\" | tr ${AZ} ${az} | tr -dc \\\055${az}${ZN}+_.@%`"
  REPLYTO="$2"
  case "$3" in
  "")
***************
*** 47,52 ****
--- 47,68 ----
  	    | ${MAILCMD} -s "Bad header by ${FROM}" ${NEWSMASTER}
  	exit
      fi
+ fi
+ 
+ # Check characters in values of variables that will be inside an eval
+ TRANS1="`echo \"$1\" | tr ${AZ} ${az} | tr -dc \\\055${az}${ZN}+_.`"
+ if [ ${1}X != ${TRANS1}X ]; then
+     rm -f ${TEMP}
+     ${SED} -e 's/^~/~~/' < ${ARTICLE} \
+         | ${MAILCMD} -s "Malformed newsgroup name by ${FROM}" ${NEWSMASTER}
+     exit
+ fi
+ TRANSP="`echo \"$PROG\" | tr ${AZ} ${az} | tr -dc \\\055${az}${ZN}+_.`"
+ if [ ${PROG}X != ${TRANSP}X ]; then
+     rm -f ${TEMP}
+     ${SED} -e 's/^~/~~/' < ${ARTICLE} \
+         | ${MAILCMD} -s "Unexpected program name by ${FROM}" ${NEWSMASTER}
+     exit
  fi
  
  ACTION=mail