diff options
Diffstat (limited to 'content/posts/WIP-how-bsd-authentication-works')
| -rw-r--r-- | content/posts/WIP-how-bsd-authentication-works/index.org | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/content/posts/WIP-how-bsd-authentication-works/index.org b/content/posts/WIP-how-bsd-authentication-works/index.org index 60d84b8..b99232f 100644 --- a/content/posts/WIP-how-bsd-authentication-works/index.org +++ b/content/posts/WIP-how-bsd-authentication-works/index.org @@ -28,13 +28,13 @@ OpenBSD is quite different from many other Unix-like operating systems in many ways, but one way which I find interesting is the authentication system. Most systems from AIX, Solaris, and Linux to - most BSDs including MacOS use some form of a system called [[https://en.wikipedia.org/wiki/Pluggable_authentication_module][Pluggable - Authentication Module]] (PAM). The two main implementations of PAM are - [[http://www.linux-pam.org/][Linux PAM]] and [[https://www.openpam.org/][OpenPAM]]. PAM modules are created as dynamically loaded - shared objects, which communicate using a set of somewhat - standardized interfaces ([[https://linux.die.net/man/3/pam][Linux-PAM]] and [[https://www.freebsd.org/cgi/man.cgi?query=pam&apropos=0&sektion=3&manpath=FreeBSD+12.1-RELEASE+and+Ports&arch=default&format=html][OpenPAM]]). PAM is configured - using the [[https://linux.die.net/man/5/pam.d][pam.d]] directory and [[https://www.freebsd.org/cgi/man.cgi?query=pam.conf&sektion=5&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports][pam.conf]]. PAM can best be described as - [[https://www.youtube.com/watch?v=-CXp3byvI1g][unstandardized black magic]]. + other BSDs including MacOS use some form of a system called + [[https://en.wikipedia.org/wiki/Pluggable_authentication_module][Pluggable Authentication Module]] (PAM). The two main implementations + are [[http://www.linux-pam.org/][Linux PAM]] and [[https://www.openpam.org/][OpenPAM]]. PAM modules are created as dynamically + loaded shared objects, which communicate using a set of somewhat + standardized interfaces ([[https://linux.die.net/man/3/pam][Linux-PAM]] and [[https://www.freebsd.org/cgi/man.cgi?query=pam&apropos=0&sektion=3&manpath=FreeBSD+12.1-RELEASE+and+Ports&arch=default&format=html][OpenPAM]]). It's configured + using the [[https://linux.die.net/man/5/pam.d][pam.d]] directory for Linux PAM and [[https://www.freebsd.org/cgi/man.cgi?query=pam.conf&sektion=5&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports][pam.conf]] for OpenPAM. + PAM can best be described as [[https://www.youtube.com/watch?v=-CXp3byvI1g][unstandardized black magic]]. OpenBSD on the other hand uses a mechanism called BSD Authentication. It was originally developed for a proprietary @@ -1589,6 +1589,8 @@ #+end_src @@html: </details> @@ + Returns one argument per call. + First goes through =as->ap0=, returning one argument at a time until it hits the =NULL= character pointer. At which point it calls =va_end(as->ap0)= and [[https://man.openbsd.org/man3/bzero.3#explicit_bzero][=explicit_bzero(3)=]]'s it. |