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download: Work around GnuTLS bug with UTF-8 certificate file names.

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Reported by Mark H Weaver <mhw@netris.org>
at <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26948#17>.

* guix/build/download.scm (set-certificate-credentials-x509-trust-file!*):
New procedure.
(make-credendials-with-ca-trust-files): Use it instead of
'set-certificate-credentials-x509-trust-file!'.
This commit is contained in:
Ludovic Courtès 2017-05-30 10:11:13 +02:00
parent 98b9732cb8
commit 27fd13c3c2
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1 changed files with 8 additions and 1 deletions
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guix/build/download.scm
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@ -296,6 +296,13 @@ session record port using PORT as its underlying communication port."
(make-parameter (or (getenv "GUIX_TLS_CERTIFICATE_DIRECTORY")
(getenv "SSL_CERT_DIR")))) ;like OpenSSL
(define (set-certificate-credentials-x509-trust-file!* cred file format)
"Like 'set-certificate-credentials-x509-trust-file!', but without the file
name decoding bug described at
<https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26948#17>."
(let ((data (call-with-input-file file get-bytevector-all)))
(set-certificate-credentials-x509-trust-data! cred data format)))
(define (make-credendials-with-ca-trust-files directory)
"Return certificate credentials with X.509 authority certificates read from
DIRECTORY. Those authority certificates are checked when
@ -309,7 +316,7 @@ DIRECTORY. Those authority certificates are checked when
(let ((file (string-append directory "/" file)))
;; Protect against dangling symlinks.
(when (file-exists? file)
(set-certificate-credentials-x509-trust-file!
(set-certificate-credentials-x509-trust-file!*
cred file
x509-certificate-format/pem))))
(or files '()))