[EMAIL PROTECTED] wrote:
> Notice that the string produced by gen-auth is different from the string
> produced by normal base64 encoders:
>
> AGp1Z3NAZ29vZnl3ZXJrcy5jb20AQm9pbmdCMDFuZw==
decodes to:
> $ base64decode AGp1Z3NAZ29vZnl3ZXJrcy5jb20AQm9pbmdCMDFuZw== | hexdump -C
> 00000000 00 6a 75 67 73 40 67 6f 6f 66 79 77 65 72 6b 73 |[EMAIL
> PROTECTED]|
> 00000010 2e 63 6f 6d 00 42 6f 69 6e 67 42 30 31 6e 67 |.com.BoingB01ng|
> anVnc0Bnb29meXdlcmtzLmNvbSBCb2luZ0IwMW5n
decodes to:
> 00000000 6a 75 67 73 40 67 6f 6f 66 79 77 65 72 6b 73 2e |[EMAIL
> PROTECTED]|
> 00000010 63 6f 6d 20 42 6f 69 6e 67 42 30 31 6e 67 |com BoingB01ng|
The first of these is valid for AUTH PLAIN, the second one would be
valid for AUTH LOGIN if the space was replaced by \0.
> Interestingly enough, the string I get back from mimencode works also:
> printf '[EMAIL PROTECTED]' |./mimencode
> dXNlcgBqdWdzQGdvb2Z5d2Vya3MuY29tAEJvaW5nQjAxbmc=
for AUTH PLAIN, that'll work, because the usual exim authenticators
don't use the first parameter ("user").
> Is there a trick to generating the Authentication code in other encoders hat
> will work with exim?
I used this perl script for several years:
#!/usr/bin/perl -w
use strict;
use MIME::Base64;
my $unenc = join ("\000", @ARGV);
print "AUTH LOGIN " . encode_base64("$unenc", '') . "\n";
print "AUTH PLAIN " . encode_base64("\000$unenc", '') . "\n";
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