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| author | Ludovic Courtès <ludo@gnu.org> | 2019-05-09 11:42:03 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-05-09 12:11:36 +0200 |
| commit | af55ca481d9e6c1d1e06632f96d550b42f33210f (patch) | |
| tree | 134ad070fbedc0b49d4ec95774a0fcf902355824 | |
| parent | 56038bac600ffe96610d2d7dbe71c90431472432 (diff) | |
| download | patches-af55ca481d9e6c1d1e06632f96d550b42f33210f.tar patches-af55ca481d9e6c1d1e06632f96d550b42f33210f.tar.gz | |
system: pam: Add #:login-uid? parameter to 'unix-pam-service'.
* gnu/system/pam.scm (unix-pam-service): Add #:login-uid? parameter. In
then 'session' field, add "pam_loginuid.so" as required when LOGIN-UID?
is true.
| -rw-r--r-- | gnu/system/pam.scm | 69 |
1 files changed, 38 insertions, 31 deletions
diff --git a/gnu/system/pam.scm b/gnu/system/pam.scm index 13f76a50ed..85f75517b1 100644 --- a/gnu/system/pam.scm +++ b/gnu/system/pam.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -207,40 +207,47 @@ dumped in /etc/pam.d/NAME, where NAME is the name of SERVICE." (env (pam-entry ; to honor /etc/environment. (control "required") (module "pam_env.so")))) - (lambda* (name #:key allow-empty-passwords? (allow-root? #f) motd) + (lambda* (name #:key allow-empty-passwords? (allow-root? #f) motd + login-uid?) "Return a standard Unix-style PAM service for NAME. When ALLOW-EMPTY-PASSWORDS? is true, allow empty passwords. When ALLOW-ROOT? is true, allow root to run the command without authentication. When MOTD is -true, it should be a file-like object used as the message-of-the-day." +true, it should be a file-like object used as the message-of-the-day. +When LOGIN-UID? is true, require the 'pam_loginuid' module; that module sets +/proc/self/loginuid, which the libc 'getlogin' function relies on." ;; See <http://www.linux-pam.org/Linux-PAM-html/sag-configuration-example.html>. - (let ((name* name)) - (pam-service - (name name*) - (account (list unix)) - (auth (append (if allow-root? - (list (pam-entry - (control "sufficient") - (module "pam_rootok.so"))) - '()) - (list (if allow-empty-passwords? - (pam-entry - (control "required") - (module "pam_unix.so") - (arguments '("nullok"))) - unix)))) - (password (list (pam-entry - (control "required") - (module "pam_unix.so") - ;; Store SHA-512 encrypted passwords in /etc/shadow. - (arguments '("sha512" "shadow"))))) - (session (if motd - (list env unix - (pam-entry - (control "optional") - (module "pam_motd.so") - (arguments - (list #~(string-append "motd=" #$motd))))) - (list env unix)))))))) + (pam-service + (name name) + (account (list unix)) + (auth (append (if allow-root? + (list (pam-entry + (control "sufficient") + (module "pam_rootok.so"))) + '()) + (list (if allow-empty-passwords? + (pam-entry + (control "required") + (module "pam_unix.so") + (arguments '("nullok"))) + unix)))) + (password (list (pam-entry + (control "required") + (module "pam_unix.so") + ;; Store SHA-512 encrypted passwords in /etc/shadow. + (arguments '("sha512" "shadow"))))) + (session `(,@(if motd + (list (pam-entry + (control "optional") + (module "pam_motd.so") + (arguments + (list #~(string-append "motd=" #$motd))))) + '()) + ,@(if login-uid? + (list (pam-entry ;to fill in /proc/self/loginuid + (control "required") + (module "pam_loginuid.so"))) + '()) + ,env ,unix)))))) (define (rootok-pam-service command) "Return a PAM service for COMMAND such that 'root' does not need to |