611835ce2f
Updates are based on the original bug report upstream. https://issues.apache.org/jira/browse/PROTON-1326 Fixes http://autobuild.buildroot.net/results/f90/f9085f223cd54c70daf29b12e6c66edb416f7243/ Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
63 lines
2.2 KiB
Diff
63 lines
2.2 KiB
Diff
From 8c54c62516671375de4068158ccaa0bc1dba0a4a Mon Sep 17 00:00:00 2001
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From: Cliff Jansen <cjansen@redhat.com>
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Date: Wed, 2 Aug 2017 16:34:39 -0700
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Subject: [PATCH] PROTON-1326: restore anonymous cyphers by lowering OpenSSL
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v1.1 security level just for the PN_SSL_ANONYMOUS_PEER verification mode
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Upstream: https://github.com/apache/qpid-proton/commit/8c54c62516671375de4068158ccaa0bc1dba0a4a
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Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
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---
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proton-c/src/ssl/openssl.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/proton-c/src/ssl/openssl.c b/proton-c/src/ssl/openssl.c
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index 8cb4e7b..f37cf49 100644
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--- a/proton-c/src/ssl/openssl.c
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+++ b/proton-c/src/ssl/openssl.c
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@@ -72,6 +72,9 @@ struct pn_ssl_domain_t {
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char *trusted_CAs;
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int ref_count;
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000
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+ int default_seclevel;
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+#endif
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pn_ssl_mode_t mode;
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pn_ssl_verify_mode_t verify_mode;
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@@ -524,6 +527,9 @@ pn_ssl_domain_t *pn_ssl_domain( pn_ssl_mode_t mode )
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// Mitigate the CRIME vulnerability
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SSL_CTX_set_options(domain->ctx, SSL_OP_NO_COMPRESSION);
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#endif
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000
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+ domain->default_seclevel = SSL_CTX_get_security_level(domain->ctx);
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+#endif
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// by default, allow anonymous ciphers so certificates are not required 'out of the box'
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if (!SSL_CTX_set_cipher_list( domain->ctx, CIPHERS_ANONYMOUS )) {
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@@ -647,6 +653,10 @@ int pn_ssl_domain_set_peer_authentication(pn_ssl_domain_t *domain,
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case PN_SSL_VERIFY_PEER:
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case PN_SSL_VERIFY_PEER_NAME:
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000
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+ SSL_CTX_set_security_level(domain->ctx, domain->default_seclevel);
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+#endif
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+
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if (!domain->has_ca_db) {
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pn_transport_logf(NULL, "Error: cannot verify peer without a trusted CA configured.\n"
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" Use pn_ssl_domain_set_trusted_ca_db()");
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@@ -685,6 +695,10 @@ int pn_ssl_domain_set_peer_authentication(pn_ssl_domain_t *domain,
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break;
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case PN_SSL_ANONYMOUS_PEER: // hippie free love mode... :)
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000
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+ // Must use lowest OpenSSL security level to enable anonymous ciphers.
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+ SSL_CTX_set_security_level(domain->ctx, 0);
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+#endif
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SSL_CTX_set_verify( domain->ctx, SSL_VERIFY_NONE, NULL );
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break;
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--
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1.9.1
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