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-rw-r--r--gnu/build/activation.scm31
1 files changed, 28 insertions, 3 deletions
diff --git a/gnu/build/activation.scm b/gnu/build/activation.scm
index 0c60355a1c..8697d9d16d 100644
--- a/gnu/build/activation.scm
+++ b/gnu/build/activation.scm
@@ -78,6 +78,11 @@
(define (dot-or-dot-dot? file)
(member file '("." "..")))
+(define (make-file-writable file)
+ "Make FILE writable for its owner.."
+ (let ((stat (lstat file))) ;XXX: symlinks
+ (chmod file (logior #o600 (stat:perms stat)))))
+
(define* (copy-account-skeletons home
#:optional (directory %skeleton-directory))
"Copy the account skeletons from DIRECTORY to HOME."
@@ -85,8 +90,21 @@
string<?)))
(mkdir-p home)
(for-each (lambda (file)
- (copy-file (string-append directory "/" file)
- (string-append home "/" file)))
+ (let ((target (string-append home "/" file)))
+ (copy-file (string-append directory "/" file) target)
+ (make-file-writable target)))
+ files)))
+
+(define* (make-skeletons-writable home
+ #:optional (directory %skeleton-directory))
+ "Make sure that the files that have been copied from DIRECTORY to HOME are
+owner-writable in HOME."
+ (let ((files (scandir directory (negate dot-or-dot-dot?)
+ string<?)))
+ (for-each (lambda (file)
+ (let ((target (string-append home "/" file)))
+ (when (file-exists? target)
+ (make-file-writable target))))
files)))
(define* (add-user name group
@@ -128,7 +146,14 @@ properties. Return #t on success."
,@(if password `("-p" ,password) '())
,@(if system? '("--system") '())
,name)))
- (zero? (apply system* "useradd" args)))))
+ (and (zero? (apply system* "useradd" args))
+ (begin
+ ;; Since /etc/skel is a link to a directory in the store where
+ ;; all files have the writable bit cleared, and since 'useradd'
+ ;; preserves permissions when it copies them, explicitly make
+ ;; them writable.
+ (make-skeletons-writable home)
+ #t)))))
(define* (modify-user name group
#:key uid comment home shell password system?