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authorLeo Famulari <leo@famulari.name>2016-01-05 19:26:25 -0500
committerLeo Famulari <leo@famulari.name>2016-01-07 02:35:38 -0500
commit62339e2d493bf87a3aabe12e45458581e9705d83 (patch)
tree31a9bd122f8827aa2cf349d87ea040bb5cca5b9e /gnu/packages
parente6352001c444a82141ea4457e49e69a1c3f8b2bb (diff)
downloadguix-62339e2d493bf87a3aabe12e45458581e9705d83.tar
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gnu: w3m: Enable SSL, disable broken protocols and ciphers.
Fixes <http://bugs.gnu.org/16791>. * gnu/packages/patches/w3m-force-ssl_verify_server-on.patch: New file. * gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch: New file. * gnu/packages/patches/w3m-disable-weak-ciphers.patch: New file. * gnu/packages/w3m.scm (w3m)[source]: Add patches. * gnu-system.am (dist_patch_DATA): Add the new files.
Diffstat (limited to 'gnu/packages')
-rw-r--r--gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch24
-rw-r--r--gnu/packages/patches/w3m-disable-weak-ciphers.patch24
-rw-r--r--gnu/packages/patches/w3m-force-ssl_verify_server-on.patch24
-rw-r--r--gnu/packages/w3m.scm5
4 files changed, 76 insertions, 1 deletions
diff --git a/gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch b/gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch
new file mode 100644
index 0000000000..5b78f2d909
--- /dev/null
+++ b/gnu/packages/patches/w3m-disable-sslv2-and-sslv3.patch
@@ -0,0 +1,24 @@
+Subject: Disable SSLv2 and SSLv3.
+
+The only remaining methods are TLSv1.* (the code never distinguishes
+between TLSv1.0, TLSv1.1, and TLSv1.2).
+---
+ fm.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/fm.h b/fm.h
+index 320906c..ddcd4fc 100644
+--- a/fm.h
++++ b/fm.h
+@@ -1144,7 +1144,7 @@ global int ssl_path_modified init(FALSE);
+ #endif /* defined(USE_SSL) &&
+ * defined(USE_SSL_VERIFY) */
+ #ifdef USE_SSL
+-global char *ssl_forbid_method init(NULL);
++global char *ssl_forbid_method init("2, 3");
+ #endif
+
+ global int is_redisplay init(FALSE);
+--
+2.6.4
+
diff --git a/gnu/packages/patches/w3m-disable-weak-ciphers.patch b/gnu/packages/patches/w3m-disable-weak-ciphers.patch
new file mode 100644
index 0000000000..4780d54cb6
--- /dev/null
+++ b/gnu/packages/patches/w3m-disable-weak-ciphers.patch
@@ -0,0 +1,24 @@
+Subject: Disable weak ciphers
+
+Disable RC4, "export ciphers", and all keys < 128 bits.
+
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/w3m/+bug/1325674
+---
+ url.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/url.c b/url.c
+index ed6062e..e86b1f3 100644
+--- a/url.c
++++ b/url.c
+@@ -326,6 +326,7 @@ openSSLHandle(int sock, char *hostname, char **p_cert)
+ SSL_load_error_strings();
+ if (!(ssl_ctx = SSL_CTX_new(SSLv23_client_method())))
+ goto eend;
++ SSL_CTX_set_cipher_list(ssl_ctx, "DEFAULT:!LOW:!RC4:!EXP");
+ option = SSL_OP_ALL;
+ if (ssl_forbid_method) {
+ if (strchr(ssl_forbid_method, '2'))
+--
+2.6.4
+
diff --git a/gnu/packages/patches/w3m-force-ssl_verify_server-on.patch b/gnu/packages/patches/w3m-force-ssl_verify_server-on.patch
new file mode 100644
index 0000000000..dc9f117f9d
--- /dev/null
+++ b/gnu/packages/patches/w3m-force-ssl_verify_server-on.patch
@@ -0,0 +1,24 @@
+Subject: Force ssl_verify_server on.
+
+By default, SSL/TLS certificates are not verified. This enables the
+verification.
+---
+ fm.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/fm.h b/fm.h
+index 8378939..320906c 100644
+--- a/fm.h
++++ b/fm.h
+@@ -1135,7 +1135,7 @@ global int view_unseenobject init(TRUE);
+ #endif
+
+ #if defined(USE_SSL) && defined(USE_SSL_VERIFY)
+-global int ssl_verify_server init(FALSE);
++global int ssl_verify_server init(TRUE);
+ global char *ssl_cert_file init(NULL);
+ global char *ssl_key_file init(NULL);
+ global char *ssl_ca_path init(NULL);
+--
+2.6.4
+
diff --git a/gnu/packages/w3m.scm b/gnu/packages/w3m.scm
index 113bfc484c..45c9375def 100644
--- a/gnu/packages/w3m.scm
+++ b/gnu/packages/w3m.scm
@@ -44,7 +44,10 @@
"1qx9f0kprf92r1wxl3sacykla0g04qsi0idypzz24b7xy9ix5579"))
;; cf. https://bugs.archlinux.org/task/33397
- (patches (list (search-patch "w3m-libgc.patch")))))
+ (patches (list (search-patch "w3m-libgc.patch")
+ (search-patch "w3m-force-ssl_verify_server-on.patch")
+ (search-patch "w3m-disable-sslv2-and-sslv3.patch")
+ (search-patch "w3m-disable-weak-ciphers.patch")))))
(build-system gnu-build-system)
(arguments `(#:tests? #f ; no check target
#:phases (alist-cons-before