mORMot Open Source

lfyey121

Member

From: china

Registered: 2022-08-25

Posts: 58

CompareMem function problem

In line 1264 of the mormot.net.acme unit, CompareMem(P, @_ACME_CHALLENGE_PATH, ACME_CHALLENGE_PATH_LEN) executes incorrectly and returns false all the time.

My environment is lazarus 3.99, FPC3.3.1（i386）, windows 10

lfyey121

Member

From: china

Registered: 2022-08-25

Posts: 58

Re: CompareMem function problem

The received data url:

  /.well-known/acme-challenge/Fx3W3J_cIlgHswjpA_NMDES4GPJ0acGEBHtXaCgTlsM

lfyey121

Member

From: china

Registered: 2022-08-25

Posts: 58

Re: CompareMem function problem

I trace that in asm code, the comparison of the first 4 bytes is already inconsistent

ab

Administrator

From: France

Registered: 2010-06-21

Posts: 14,244

Website

Re: CompareMem function problem

Yes, this code is incorrect.

Please try with https://github.com/synopse/mORMot2/commit/409f9984

lfyey121

Member

From: china

Registered: 2022-08-25

Posts: 58

Re: CompareMem function problem

Thanks
this issue has been solved,
but this mormot.net.acme has found a new issue here, I have submitted a new topic