From 99effc8faa43d478371eb06aee5df8ae1383c51a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 17 May 2016 18:04:13 +0200
Subject: [PATCH] lint: Honor 'cpe-name' and 'cpe-version' package properties.

* guix/scripts/lint.scm (package-name->cpe-name): Remove.
(package-vulnerabilities): Honor 'cpe-name' and 'cpe-version'
properties.
* gnu/packages/grub.scm (grub)[properties]: New field.
* gnu/packages/gnuzilla.scm (icecat)[properties]: Add 'cpe-name' and
'cpe-version'.
* doc/guix.texi (Invoking guix lint): Mention 'cpe-name'.
---
 doc/guix.texi             | 13 +++++++++++++
 gnu/packages/gnuzilla.scm |  6 +++++-
 gnu/packages/grub.scm     |  5 +++--
 guix/scripts/lint.scm     | 21 +++++++++------------
 4 files changed, 30 insertions(+), 15 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 0e63ecadfd..3f0106be02 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4961,6 +4961,19 @@ To view information about a particular vulnerability, visit pages such as:
 where @code{CVE-YYYY-ABCD} is the CVE identifier---e.g.,
 @code{CVE-2015-7554}.
 
+Package developers can specify in package recipes the
+@uref{https://nvd.nist.gov/cpe.cfm,Common Platform Enumeration (CPE)}
+name and version of the package when they differ from the name that Guix
+uses, as in this example:
+
+@example
+(package
+  (name "grub")
+  ;; @dots{}
+  ;; CPE calls this package "grub2".
+  (properties '((cpe-name . "grub2"))))
+@end example
+
 @item formatting
 Warn about obvious source code formatting issues: trailing white space,
 use of tabulations, etc.
diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index df1075c370..7e52534b8f 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -517,4 +517,8 @@ (define-public icecat
 software, which does not recommend non-free plugins and addons.  It also
 features built-in privacy-protecting features.")
     (license license:mpl2.0)     ;and others, see toolkit/content/license.html
-    (properties '((ftp-directory . "/gnu/gnuzilla")))))
+    (properties
+     `((ftp-directory . "/gnu/gnuzilla")
+       (cpe-name . "firefox_esr")
+       (cpe-version . ,(string-drop-right version
+                                          (string-length "-gnu1")))))))
diff --git a/gnu/packages/grub.scm b/gnu/packages/grub.scm
index 5fc7ee8386..ec2feebbf4 100644
--- a/gnu/packages/grub.scm
+++ b/gnu/packages/grub.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Leo Famulari <leo@famulari.name>
 ;;;
@@ -132,4 +132,5 @@ (define-public grub
 bootloader, GRUB handles the presence of multiple operating systems installed
 on the same computer; upon booting the computer, the user is presented with a
 menu to select one of the installed operating systems.")
-    (license gpl3+)))
+    (license gpl3+)
+    (properties '((cpe-name . "grub2")))))
diff --git a/guix/scripts/lint.scm b/guix/scripts/lint.scm
index 06001d3eae..b4fdb6f905 100644
--- a/guix/scripts/lint.scm
+++ b/guix/scripts/lint.scm
@@ -600,15 +600,6 @@ (define (patch-file-name patch)
     ((? origin?)
      (and=> (origin-actual-file-name patch) basename))))
 
-(define (package-name->cpe-name name)
-  "Do a basic conversion of NAME, a Guix package name, to the corresponding
-Common Platform Enumeration (CPE) name."
-  (match name
-    ("icecat"   "firefox")                        ;or "firefox_esr"
-    ("grub"     "grub2")
-    ;; TODO: Add more.
-    (_          name)))
-
 (define (current-vulnerabilities*)
   "Like 'current-vulnerabilities', but return the empty list upon networking
 or HTTP errors.  This allows network-less operation and makes problems with
@@ -635,9 +626,15 @@ (define package-vulnerabilities
                         (current-vulnerabilities*)))))
     (lambda (package)
       "Return a list of vulnerabilities affecting PACKAGE."
-      ((force lookup)
-       (package-name->cpe-name (package-name package))
-       (package-version package)))))
+      ;; First we retrieve the Common Platform Enumeration (CPE) name and
+      ;; version for PACKAGE, then we can pass them to LOOKUP.
+      (let ((name    (or (assoc-ref (package-properties package)
+                                    'cpe-name)
+                         (package-name package)))
+            (version (or (assoc-ref (package-properties package)
+                                    'cpe-version)
+                         (package-version package))))
+        ((force lookup) name version)))))
 
 (define (check-vulnerabilities package)
   "Check for known vulnerabilities for PACKAGE."