Forbid escaping clic loading with SIGINT - clic - Clic is an command line interactive client for gopher written in Common LISP
(HTM) git clone git://bitreich.org/clic/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/clic/
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---
(DIR) commit 22248dc9ab2895d7bcf8b3bcfcf76eb48ecc075f
(DIR) parent be4bf91b222d03b0de1c9c83ab2afccbfa41dc28
(HTM) Author: Solene Rapenne <solene@perso.pw>
Date: Thu, 21 Jun 2018 11:05:17 +0200
Forbid escaping clic loading with SIGINT
Diffstat:
M clic.lisp | 12 ++++++++----
M make-binary.lisp | 6 +++++-
2 files changed, 13 insertions(+), 5 deletions(-)
---
(DIR) diff --git a/clic.lisp b/clic.lisp
@@ -571,10 +571,8 @@
;; split and ask to scroll or to type a command
(when (= row rows)
(setf row 0)
- (format t "~a~a press enter or a shell command ~a : "
- (get-color 'bg-black)
- (if *kiosk-mode* "KIOSK" "")
- (get-color 'reset))
+ (format t "~a press enter or a shell command: "
+ (if *kiosk-mode* "KIOSK" ""))
(force-output)
(let ((first-input (read-char *standard-input* nil nil t)))
(cond
@@ -735,7 +733,13 @@
with a parameter not of type 1, so it will fetch the content,
display it and exit and finally, the redirected case where clic will
print to stdout and exit."
+
+ ;; pledge support on OpenBSD
(c-pledge)
+
+ ;; re-enable SIGINT (Ctrl+C) disabled for loading clic
+ (ext:set-signal-handler ext:+sigint+ 'quit)
+
(ignore-errors ;; lisp is magic
(let ((destination (car (last
(loop for element in (get-argv)
(DIR) diff --git a/make-binary.lisp b/make-binary.lisp
@@ -7,7 +7,11 @@
#+ecl
(progn
(compile-file "clic.lisp" :system-p t)
- (c:build-program "clic" :epilogue-code '(progn (handler-case (main) (condition () (quit)))) :lisp-files '("clic.o")))
+ (c:build-program "clic"
+ :prologue-code '(ext:set-signal-handler ext:+sigint+ nil)
+ :epilogue-code '(progn (handler-case (main)
+ (condition () (quit))))
+ :lisp-files '("clic.o")))
(format t "INFO => Compilation done (or at least it should be)~%")
(quit)