#!/bin/sh
######################################################
#
# Test bogus headers (no blank line before body, etc.)
#
######################################################

set -e

if test -z "${MH_OBJ_DIR}"; then
    srcdir=`dirname "$0"`/../..
    MH_OBJ_DIR=`cd "$srcdir" && pwd`; export MH_OBJ_DIR
fi

. "$MH_OBJ_DIR/test/common.sh"

setup_test

expected="$MH_TEST_DIR/$$.expected"
expected_err="$MH_TEST_DIR/$$.expected_err"
actual="$MH_TEST_DIR/$$.actual"
actual_err="$MH_TEST_DIR/$$.actual_err"

# Write message with bogus header field (missing blank line, really).
msgfile="$MH_TEST_DIR/Mail/inbox/11"
cat >"$msgfile" <<EOF
Date: Sun, 18 Dec 2005 00:52:39 +0100
From: foo@example.edu
To: bar@example.edu
Subject: test
This is a multi-part message in MIME format.

I am a stupid spammer.
EOF

# check scan
start_test scan
cat >"$expected" <<EOF
  11  12/18 foo@example.edu    test<<This is a multi-part message in MIME format
EOF
run_prog scan -width 80 last > "$actual" 2>&1
check "$expected" "$actual" : scan with bogus header field

# check show (mhl)
start_test show
cat >"$expected" <<EOF
(Message inbox:11)

Date:    Sun, 18 Dec 2005 00:52:39 +0100
To:      bar@example.edu
From:    foo@example.edu
Subject: test


This is a multi-part message in MIME format.

I am a stupid spammer.
EOF
run_prog show last > "$actual" 2>&1
check "$expected" "$actual" : "show (mhl) with bogus header field"

# check mhshow
start_test mhshow
cat >"$expected" <<EOF
[ Message inbox:11 ]
Date:    Sun, 18 Dec 2005 00:52:39 +0100
To:      bar@example.edu
From:    foo@example.edu
Subject: test


[ part  - text/plain -   70B  ]

This is a multi-part message in MIME format.

I am a stupid spammer.
EOF
run_prog mhshow last > "$actual" 2>&1
check "$expected" "$actual" : mhshow with bogus header field

# check m_getfld() handling of empty header field
start_test 'm_getfld() handling of empty header field'
msgfile="$MH_TEST_DIR/Mail/inbox/12"
printf 'Date: Sat, 12 Jan 2013 09:07:01 -0600\nReceived:' >"$msgfile"
cat >"$expected" <<EOF
  12  01/12  
EOF
cat >"$expected_err" <<EOF
scan: eof encountered in field "Received"
??Format error (message 12) in component 2
EOF

run_prog scan -width 13 last >"$actual" 2>"$actual_err"
check "$expected" "$actual" : m_getfld, empty header output
check "$expected_err" "$actual_err" : m_getfld, empty header error

# check m_getfld() handling of excessively long header field name
start_test 'm_getfld() handling of excessively long header field name'
msgfile="$MH_TEST_DIR/Mail/inbox/13"
cat >"$msgfile" <<EOF
Date: Tue, 15 Jan 2013 21:13:12 -0600
ThisHeaderFieldNameIsWaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaayTooLong: OK
EOF
cat >"$expected" <<EOF
  13  01/15  
EOF

run_prog scan -width 13 last >"$actual" 2>"$actual_err"
check "$expected" "$actual" : m_getfld with excessively long header field name
# Cygwin has a BUFSIZ of 1024 so the error message gets truncated.
# Deal with that by grepping to verify that scan showed the proper error.
verify_string_in_file() {
  if grep "$1" "$2" >/dev/null; then
    :
  else
    echo "$0: did not receive expected error message \"$1\""
    failed=`expr ${failed:-0} + 1`
  fi
}
verify_string_in_file 'scan: field name "ThisHeaderFieldNameIsWa' "$actual_err"
verify_string_in_file 'exceeds 997' "$actual_err"
verify_string_in_file '??Format error (message 13) in component 2' "$actual_err"
rm -f "$actual_err"

# check m_getfld() handling of long header field name without a colon
start_test 'm_getfld() handling of long header field name without a colon'
msgfile="$MH_TEST_DIR/Mail/inbox/14"
cat >"$msgfile" <<EOF
Date: Thu, 17 Jan 2013 19:33:46 -0600
If a header field name has at least 512 characters without a newline or colon, it will raise a format error in m_getfld().  Here is a test of that.  01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901

Test


EOF
cat >"$expected" <<EOF
  14  01/17  
EOF
cat >"$expected_err" <<EOF
scan: eol encountered in field "If a header field name has at least 512 characters without a newline or colon, it will raise a format error in m_getfld().  Here is a test of that.  01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901"
??Format error (message 14) in component 2
EOF

run_prog scan -width 13 last >"$actual" 2>"$actual_err"
check "$expected" "$actual" : m_getfld with long header, no colon output
check "$expected_err" "$actual_err" : m_getfld with long header, no colon error


finish_test
exit $failed