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tinmop/src/x509.lisp

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Common Lisp
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2020-09-06 11:32:08 +02:00
;; tinmop: an humble gemini and pleroma client
;; Copyright (C) 2020 cage
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program.
;; If not, see [[http://www.gnu.org/licenses/][http://www.gnu.org/licenses/]].
(in-package :x509)
(defun dump-certificate (ssl-stream)
(let* ((cert (cl+ssl:ssl-stream-x509-certificate ssl-stream))
(certificate-length (i2d-x509 cert (cffi:null-pointer))))
(if (< certificate-length 0)
(error "i2d-X509 failed")
(cffi:with-foreign-object (buf* :unsigned-char certificate-length)
(cffi:with-foreign-object (buf** :pointer)
(setf (cffi:mem-ref buf** :pointer) buf*)
(i2d-x509 cert buf**)
(let* ((data (loop for i from 0 below certificate-length collect
(cffi:mem-aref buf* :unsigned-char i)))
(res (misc:make-fresh-array certificate-length 0 '(unsigned-byte 8) t)))
(misc:copy-list-into-array data res)
res))))))