diff options
Diffstat (limited to 'gnu/system/linux.scm')
| -rw-r--r-- | gnu/system/linux.scm | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/gnu/system/linux.scm b/gnu/system/linux.scm index 5440f5852f..524ad01261 100644 --- a/gnu/system/linux.scm +++ b/gnu/system/linux.scm @@ -152,15 +152,36 @@ should be the name of a file used as the message-of-the-day." (list #~(string-append "motd=" #$motd))))) (list unix)))))))) +(define (rootok-pam-service command) + "Return a PAM service for COMMAND such that 'root' does not need to +authenticate to run COMMAND." + (let ((unix (pam-entry + (control "required") + (module "pam_unix.so")))) + (pam-service + (name command) + (account (list unix)) + (auth (list (pam-entry + (control "sufficient") + (module "pam_rootok.so")))) + (password (list unix)) + (session (list unix))))) + (define* (base-pam-services #:key allow-empty-passwords?) "Return the list of basic PAM services everyone would want." - (cons %pam-other-services - (map (cut unix-pam-service <> - #:allow-empty-passwords? allow-empty-passwords?) - '("su" "passwd" "sudo" - "useradd" "userdel" "usermod" - "groupadd" "groupdel" "groupmod" - ;; TODO: Add other Shadow programs? - )))) + ;; TODO: Add other Shadow programs? + (append (list %pam-other-services) + + ;; These programs are setuid-root. + (map (cut unix-pam-service <> + #:allow-empty-passwords? allow-empty-passwords?) + '("su" "passwd" "sudo")) + + ;; These programs are not setuid-root, and we want root to be able + ;; to run them without having to authenticate (notably because + ;; 'useradd' and 'groupadd' are run during system activation.) + (map rootok-pam-service + '("useradd" "userdel" "usermod" + "groupadd" "groupdel" "groupmod")))) ;;; linux.scm ends here |