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cve: Make CPE patch level part of the version string.

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* guix/cve.scm (%cpe-package-rx): Adjust to account for :PATCH-LEVEL.
(cpe->package-name): Likewise.
This commit is contained in:
Ludovic Courtès 2016-03-11 10:21:58 +01:00
parent d381962f35
commit cf557afa2e
1 changed files with 11 additions and 4 deletions
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15
guix/cve.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -70,8 +70,9 @@
(close-port port)))))
(define %cpe-package-rx
;; For applications: "cpe:/a:VENDOR:PACKAGE:VERSION".
(make-regexp "^cpe:/a:([^:]+):([^:]+):([^:]+)"))
;; For applications: "cpe:/a:VENDOR:PACKAGE:VERSION", or sometimes
;; "cpe/a:VENDOR:PACKAGE:VERSION:PATCH-LEVEL".
(make-regexp "^cpe:/a:([^:]+):([^:]+):([^:]+)((:.+)?)"))
(define (cpe->package-name cpe)
"Converts the Common Platform Enumeration (CPE) string CPE to a package
@ -80,7 +81,13 @@ CPE string."
(and=> (regexp-exec %cpe-package-rx (string-trim-both cpe))
(lambda (matches)
(cons (match:substring matches 2)
(match:substring matches 3)))))
(string-append (match:substring matches 3)
(match (match:substring matches 4)
("" "")
(patch-level
;; Drop the colon from things like
;; "cpe:/a:openbsd:openssh:6.8:p1".
(string-drop patch-level 1))))))))
(define %parse-vulnerability-feed
;; Parse the XML vulnerability feed from