diff options
| -rw-r--r-- | content/posts/WIP-how-bsd-authentication-works/index.org | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/content/posts/WIP-how-bsd-authentication-works/index.org b/content/posts/WIP-how-bsd-authentication-works/index.org index f8c9a51..b741f17 100644 --- a/content/posts/WIP-how-bsd-authentication-works/index.org +++ b/content/posts/WIP-how-bsd-authentication-works/index.org @@ -864,7 +864,9 @@ over SSH. A fair portion of this function is very similar to - [[#auth_usercheck][=auth_usercheck=]]. + [[#auth_usercheck][=auth_usercheck=]]. Instead of having a password argument however, it + has a pointer to string, which is used to return the challenge to + the calling function. It first checks that =*name= is a valid username. This means that it doesn't begin with a hyphen, had a non-zero length. @@ -885,6 +887,28 @@ returned, which causes =auth_userchallenge= to return =NULL= as well. + This is where =auth_userchallenge= and [[#auth_usercheck][=auth_usercheck=]] begin to diverge. + + It creates a new auth session using [[#auth_open][=auth_open=]] as variable =as=. + + The =style=, =name= and =class= properties of the session are then + set using [[#auth_setitem][=auth_setitem=]]. + + It then calls [[#auth_challenge][=auth_challenge=]] with =as= as the argument. The return + value from that call is used to set =*challengep=, and =as= is + returned. + + #+begin_src c + *challengep = auth_challenge(as); + return (as); + #+end_src + + +* auth_challenge + :PROPERTIES: + :CUSTOM_ID: auth_challenge + :END: + * auth_userresponse :PROPERTIES: |