On Thu, Sep 30, 2010 at 10:19 AM, Joakim Tjernlund
<[email protected]> wrote:
> Derek Wright <[email protected]> wrote on 2010/09/30 16:11:57:
>>
>> On Thu, Sep 30, 2010 at 9:45 AM, Joakim Tjernlund
>> <[email protected]> wrote:
>> > Derek Wright <[email protected]> wrote on 2010/09/30 15:27:06:
>> >>
>> >> Hello all, I'm attempting to write a very small program that utilizes the
>> >> bacula hmac and bin_to_base64 functions so I can auth to my director as a
>> >> console. It seems that my output is slightly different than what the
>> >> director
>> >> computes for a base64 hash, example:
>> >>
>> >> Director expects: p6+IvREdwWdjZ8kPkQ+cUC
>> >> But the program I wrote gives: p6+IvREdwWdjZ8kPkQ+cU
>> >
>> > Could it be that Director expects an newline in the end?
>> >
>> > Jocke
>> >
>> >
>> But that ascii "C" is created in the encoding process from the 16bit
>> hmac-md5 hash (i think? :P ). When I take the text output from my
>> program and send it to the director it is terminated with a newline
>> character. Basically im executing this little program w/ PHP exec()
>> and sending the generated base64 to my director via a socket so I can
>> build a webapp to auth/manage all of my Bacula directors.
>
> Add en newline to the passwd before you hash it?
>
>
That didnt seem to work, here is the new code:
#include "bacula.h"
char* chal;
char* password;
uint8_t hmac[20];
char base64[23];
uint8_t i;
char* newline;
int main(int argc, char *argv[])
{
chal = argv[1];
newline = "\n";
password = argv[2];
strcat(password, newline);
hmac_md5((uint8_t *)chal, 50, (uint8_t *)password,
strlen(password), hmac);
bin_to_base64(base64, sizeof(base64), (char *)hmac, 16, false) + 1;
printf("%s\n", base64);
}
labsrv03.***********-dir: cram-md5.c:104-0 Authenticate NOT OK: wanted
c8/PW59kvg/vO/+n3E/gjD, got c8/PW59kvg/vO/+n3E/gj
I grabbed these routines right from the cram-md5.c file in bacula to
see how it checks the cram-md5-reponse and verifies it.
--Derek
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