Add auth_setenv

1 files changed, 19 insertions, 2 deletions

diff --git a/content/posts/WIP-how-bsd-authentication-works/index.org b/content/posts/WIP-how-bsd-authentication-works/index.org
index 1a92943..f24693d 100644
--- a/content/posts/WIP-how-bsd-authentication-works/index.org
+++ b/content/posts/WIP-how-bsd-authentication-works/index.org
@@ -295,6 +295,14 @@
    =auth_clrenv= removes all lines containing =BI_SETENV= and
    =BI_UNSETENV= from =as->spool=. This is explained under the
    =auth_call= section.
+
+** auth_setenv
+   #+begin_src c
+   void auth_setenv(auth_session_t *as)
+   #+end_src
+
+   =auth_setenv= scans through =as->spool=, modifying the environment
+   according to =BI_SETENV= and =BI_UNSETENV= instructions.
 * auth_open
 
   #+begin_src c
@@ -717,8 +725,17 @@
    =as->rmlist= linked list.
 
 * auth_close
-  =auth_close= is the function responsible for cleaning up the session
-  and taking care of the values returned though the back channel.
+  #+begin_src c
+  int auth_close(auth_session_t *as)
+  #+end_src
+
+  =auth_close= is responsible for setting the environment variables,
+  removing any files requested by the authentication module, and
+  freeing =as=.
+
+  First it saves the state in a variable =s=
+
+<<here>>
 
   It first sets the environment variables returned through the back
   channel by passing the auth session to =auth_setenv=. It then goes