> # exim -bt klausman-gentoo@???
> LOG: MAIN PANIC
> attempt to expand tainted string '$rheader_From'
> LOG: MAIN PANIC
> attempt to expand tainted string '${if def:header_From {true}{false}}'
> Sieve error: header string expansion failed in line 3
This is quite likely an internal expansion from sieve.c:2327. I did
not really follow the list recently, so I missed the introduction of
"tainted" expansions, but the code does this:
expand_header(&header_value,h);
header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h)));
if (header_value.character == NULL || header_def == NULL)
That's to expand and check if a header is defined in order to
compare it with a value. Perhaps there is a better way to do
that or a different API should be used now?
Michael