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author | Ludovic Courtès <ludo@gnu.org> | 2018-12-20 18:39:04 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2018-12-20 18:39:04 +0100 |
commit | 86974d8a9247cbeb938b5202f23ccca8d9ed627d (patch) | |
tree | 7bd498ccf672aced617aa24a830ec4164268c03f /guix/scripts/substitute.scm | |
parent | 03a45a40227d97ccafeb49c4eb0fc7539f4d2127 (diff) | |
parent | 9012d226fa46229a84e49a42c9b6d287105dfddf (diff) | |
download | guix-patches-86974d8a9247cbeb938b5202f23ccca8d9ed627d.tar guix-patches-86974d8a9247cbeb938b5202f23ccca8d9ed627d.tar.gz |
Merge branch 'master' into core-updates
Diffstat (limited to 'guix/scripts/substitute.scm')
-rwxr-xr-x | guix/scripts/substitute.scm | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm index d6dc9b6448..53b1777241 100755 --- a/guix/scripts/substitute.scm +++ b/guix/scripts/substitute.scm @@ -392,12 +392,21 @@ No authentication and authorization checks are performed here!" (define (narinfo-sha256 narinfo) "Return the sha256 hash of NARINFO as a bytevector, or #f if NARINFO lacks a 'Signature' field." + (define %mandatory-fields + ;; List of fields that must be signed. If they are not signed, the + ;; narinfo is considered unsigned. + '("StorePath" "NarHash" "References")) + (let ((contents (narinfo-contents narinfo))) (match (string-contains contents "Signature:") (#f #f) (index - (let ((above-signature (string-take contents index))) - (sha256 (string->utf8 above-signature))))))) + (let* ((above-signature (string-take contents index)) + (signed-fields (match (call-with-input-string above-signature + fields->alist) + (((fields . values) ...) fields)))) + (and (every (cut member <> signed-fields) %mandatory-fields) + (sha256 (string->utf8 above-signature)))))))) (define* (valid-narinfo? narinfo #:optional (acl (current-acl)) #:key verbose?) |