httrack/tests/01_engine-strsafe.test

#!/bin/bash
#

set -euo pipefail

# htssafe.h bounded string operations (driven by 'httrack -#test=strsafe').

# Success path: every bounded op (strcpybuff/strcatbuff/strncatbuff/strlcpybuff)
# must behave correctly. 'run' selects the success path (vs the overflow modes).
rc=0
out=$(httrack -#test=strsafe run) || rc=$?
test "$rc" -eq 0 || exit 1
test "$out" == "strsafe: OK" || exit 1

# Overflow path: an over-capacity write into a sized buffer must be caught by
# the bounded macro and abort the process, not be silently truncated/completed.
# Assert the htssafe abort signature specifically, so the test cannot pass for
# an unrelated reason (e.g. the strsafe test being gone, which prints the
# registry to stderr and also exits non-zero).
# the bounded macro aborts (non-zero exit), so don't let set -e trip on it
err=$(httrack -#test=strsafe overflow "this string is far too long for the buffer" 2>&1) || true
case "$err" in
*"strsafe: NOT aborted"*)
    echo "over-capacity write was NOT caught" >&2
    exit 1
    ;;
*"overflow while copying"*) ;;
*)
    echo "expected htssafe overflow abort, got: $err" >&2
    exit 1
    ;;
esac

# Same guarantee for the htsbuff builder. The source is exactly the buffer
# capacity (6 bytes into a 6-byte buffer), so this also pins the boundary: a
# '<=' off-by-one in the capacity check would let it through (and print "NOT
# aborted"). Match the specific htsbuff abort message, not just any assert.
err=$(httrack -#test=strsafe overflow-buff "abcdef" 2>&1) || true
case "$err" in
*"strsafe: NOT aborted"*)
    echo "htsbuff over-capacity write was NOT caught" >&2
    exit 1
    ;;
*"htsbuff append overflow"*) ;;
*)
    echo "expected htsbuff overflow abort, got: $err" >&2
    exit 1
    ;;
esac