rar archives

[korsar182 at gmail.com]

Patrick Ben Koetter <p at sys4.de> писал(а) в своём письме Wed, 07 Aug 2019  
23:36:17 +0300:

> * korsar182 at gmail.com <korsar182 at gmail.com>:
>> Patrick Ben Koetter <p at sys4.de> писал(а) в своём письме Wed, 07 Aug 2019
>> 21:56:09 +0300:
>>
>> > * korsar182 at gmail.com <korsar182 at gmail.com>:
>> > > Patrick Ben Koetter <p at sys4.de> писал(а) в своём письме Wed, 07 Aug  
>> 2019
>> > > 20:55:57 +0300:
>> > >
>> > > > * korsar182 at gmail.com <korsar182 at gmail.com>:
>> > > > > I'm using latest amavis 2.11.0 on Debian 10 and it doesn't  
>> unpack
>> > > > > any rar.
>> > > > > With unrar-nonfree 5.6.6-1 mail passes unchecked, with 7z it  
>> passes
>> > > > > clean.
>> > > > > What I do wrong?
>> > > >
>> > > > Which RAR version is the archive?
>> > > >
>> > >
>> > > rar 4
>> >
>> > The rar unpackers on Debian *should* be able to unpack RAR version 4
>> > archives.
>> > Did you try to unpack it manually – outside of amavis?
>> >
>> > p at rick
>> >
>> > P.S.
>> > Please do not reply offlist. The support is a community effort and it
>> > should
>> > stay onlist so everbody can add knowledge or receive some. Thanks.
>> >
>> Sorry for offlist reply - misclick.
>
> :-)
>
>> Unpacking manually working fine, but amavis marks it like Passed  
>> UNCHECKED,
>> no idea why. unrar-nonfree version 5.6.6-2.
>>
>> If I'll try unar or 7z I should modify amavis source code to fix wrong
>> options -idcdp?
>
> Copy the @decoders section from the amavisd-new binary and modify the  
> command
> that should be used to unpack rar.
>
> p at rick
>
>
>
You mean  this section?

sub do_unrar($$$;$) {
   my($part, $tempdir, $archiver, $testing_for_sfx) = @_;
   ll(4) && do_log(4, "Expanding RAR archive %s", $part->base_name);
   my($decompressor_name) = basename((split(' ',$archiver))[0]);
   snmp_count("OpsDecBy\u${decompressor_name}Attempt");
   # unrar exit codes: SUCCESS=0, WARNING=1, FATAL_ERROR=2, CRC_ERROR=3,
   #   LOCK_ERROR=4, WRITE_ERROR=5, OPEN_ERROR=6, USER_ERROR=7,  
MEMORY_ERROR=8,
   #   CREATE_ERROR=9, USER_BREAK=255
   my(@list); my($hypcount) = 0; my($encryptedcount) = 0;
   my($lcnt) = 0; my($member_name); my($bytes) = 0; my($last_line);
   my($item_num) = 0; my($parent_placement) = $part->mime_placement;
   my($retval) = 1; my($fn) = $part->full_name; my($proc_fh,$pid);
   my(@common_rar_switches) = qw(-c- -p- -idcdp);  # -av-

I've removed "-c- -p- -idcdp" for unar, but this doesn't work. It says  
do_unrar: can't get a list of archive members: exit 1; v: Couldn't open  
archive. (Opening file failed.)