subversion: 1.8.9 -> 1.8.10

(From OE-Core rev: aa3aa6fff5b5e5b36b76665846e8b7f0408f7e81)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2014-11-04 07:17:24 +00:00
parent d19152d9df
commit e20a85dab9
4 changed files with 2 additions and 448 deletions

View File

@@ -1,444 +0,0 @@
Upstream-Status: Backport
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Index: subversion/include/private/svn_cert.h
===================================================================
--- subversion/include/private/svn_cert.h (nonexistent)
+++ subversion/include/private/svn_cert.h (working copy)
@@ -0,0 +1,68 @@
+/**
+ * @copyright
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ * @endcopyright
+ *
+ * @file svn_cert.h
+ * @brief Implementation of certificate validation functions
+ */
+
+#ifndef SVN_CERT_H
+#define SVN_CERT_H
+
+#include <apr.h>
+
+#include "svn_types.h"
+#include "svn_string.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/* Return TRUE iff @a pattern matches @a hostname as defined
+ * by the matching rules of RFC 6125. In the context of RFC
+ * 6125 the pattern is the domain name portion of the presented
+ * identifier (which comes from the Common Name or a DNSName
+ * portion of the subjectAltName of an X.509 certificate) and
+ * the hostname is the source domain (i.e. the host portion
+ * of the URI the user entered).
+ *
+ * @note With respect to wildcards we only support matching
+ * wildcards in the left-most label and as the only character
+ * in the left-most label (i.e. we support RFC 6125 s. 6.4.3
+ * Rule 1 and 2 but not the optional Rule 3). This may change
+ * in the future.
+ *
+ * @note Subversion does not at current support internationalized
+ * domain names. Both values are presumed to be in NR-LDH label
+ * or A-label form (see RFC 5890 for the definition).
+ *
+ * @since New in 1.9.
+ */
+svn_boolean_t
+svn_cert__match_dns_identity(svn_string_t *pattern, svn_string_t *hostname);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* SVN_CERT_H */
Index: subversion/libsvn_ra_serf/util.c
===================================================================
--- subversion/libsvn_ra_serf/util.c (revision 1615128)
+++ subversion/libsvn_ra_serf/util.c (working copy)
@@ -28,7 +28,6 @@
#define APR_WANT_STRFUNC
#include <apr.h>
#include <apr_want.h>
-#include <apr_fnmatch.h>
#include <serf.h>
#include <serf_bucket_types.h>
@@ -49,6 +48,7 @@
#include "private/svn_fspath.h"
#include "private/svn_subr_private.h"
#include "private/svn_auth_private.h"
+#include "private/svn_cert.h"
#include "ra_serf.h"
@@ -274,7 +274,6 @@ ssl_server_cert(void *baton, int failures,
apr_hash_t *subject = NULL;
apr_hash_t *serf_cert = NULL;
void *creds;
- int found_matching_hostname = 0;
svn_failures = (ssl_convert_serf_failures(failures)
| conn->server_cert_failures);
@@ -286,26 +285,37 @@ ssl_server_cert(void *baton, int failures,
### This should really be handled by serf, which should pass an error
for this case, but that has backwards compatibility issues. */
apr_array_header_t *san;
+ svn_boolean_t found_san_entry = FALSE;
+ svn_boolean_t found_matching_hostname = FALSE;
+ svn_string_t *actual_hostname =
+ svn_string_create(conn->session->session_url.hostname, scratch_pool);
serf_cert = serf_ssl_cert_certificate(cert, scratch_pool);
san = svn_hash_gets(serf_cert, "subjectAltName");
/* Try to find matching server name via subjectAltName first... */
- if (san) {
+ if (san)
+ {
int i;
- for (i = 0; i < san->nelts; i++) {
+ found_san_entry = san->nelts > 0;
+ for (i = 0; i < san->nelts; i++)
+ {
const char *s = APR_ARRAY_IDX(san, i, const char*);
- if (apr_fnmatch(s, conn->session->session_url.hostname,
- APR_FNM_PERIOD | APR_FNM_CASE_BLIND) == APR_SUCCESS)
- {
- found_matching_hostname = 1;
+ svn_string_t *cert_hostname = svn_string_create(s, scratch_pool);
+
+ if (svn_cert__match_dns_identity(cert_hostname, actual_hostname))
+ {
+ found_matching_hostname = TRUE;
break;
- }
- }
- }
+ }
+ }
+ }
- /* Match server certificate CN with the hostname of the server */
- if (!found_matching_hostname)
+ /* Match server certificate CN with the hostname of the server iff
+ * we didn't find any subjectAltName fields and try to match them.
+ * Per RFC 2818 they are authoritative if present and CommonName
+ * should be ignored. */
+ if (!found_matching_hostname && !found_san_entry)
{
const char *hostname = NULL;
@@ -314,13 +324,20 @@ ssl_server_cert(void *baton, int failures,
if (subject)
hostname = svn_hash_gets(subject, "CN");
- if (!hostname
- || apr_fnmatch(hostname, conn->session->session_url.hostname,
- APR_FNM_PERIOD | APR_FNM_CASE_BLIND) != APR_SUCCESS)
- {
- svn_failures |= SVN_AUTH_SSL_CNMISMATCH;
- }
- }
+ if (hostname)
+ {
+ svn_string_t *cert_hostname = svn_string_create(hostname,
+ scratch_pool);
+
+ if (svn_cert__match_dns_identity(cert_hostname, actual_hostname))
+ {
+ found_matching_hostname = TRUE;
+ }
+ }
+ }
+
+ if (!found_matching_hostname)
+ svn_failures |= SVN_AUTH_SSL_CNMISMATCH;
}
if (!svn_failures)
Index: subversion/libsvn_subr/dirent_uri.c
===================================================================
--- subversion/libsvn_subr/dirent_uri.c (revision 1615128)
+++ subversion/libsvn_subr/dirent_uri.c (working copy)
@@ -38,6 +38,7 @@
#include "dirent_uri.h"
#include "private/svn_fspath.h"
+#include "private/svn_cert.h"
/* The canonical empty path. Can this be changed? Well, change the empty
test below and the path library will work, not so sure about the fs/wc
@@ -2597,3 +2598,81 @@ svn_urlpath__canonicalize(const char *uri,
}
return uri;
}
+
+
+/* -------------- The cert API (see private/svn_cert.h) ------------- */
+
+svn_boolean_t
+svn_cert__match_dns_identity(svn_string_t *pattern, svn_string_t *hostname)
+{
+ apr_size_t pattern_pos = 0, hostname_pos = 0;
+
+ /* support leading wildcards that composed of the only character in the
+ * left-most label. */
+ if (pattern->len >= 2 &&
+ pattern->data[pattern_pos] == '*' &&
+ pattern->data[pattern_pos + 1] == '.')
+ {
+ while (hostname_pos < hostname->len &&
+ hostname->data[hostname_pos] != '.')
+ {
+ hostname_pos++;
+ }
+ /* Assume that the wildcard must match something. Rule 2 says
+ * that *.example.com should not match example.com. If the wildcard
+ * ends up not matching anything then it matches .example.com which
+ * seems to be essentially the same as just example.com */
+ if (hostname_pos == 0)
+ return FALSE;
+
+ pattern_pos++;
+ }
+
+ while (pattern_pos < pattern->len && hostname_pos < hostname->len)
+ {
+ char pattern_c = pattern->data[pattern_pos];
+ char hostname_c = hostname->data[hostname_pos];
+
+ /* fold case as described in RFC 4343.
+ * Note: We actually convert to lowercase, since our URI
+ * canonicalization code converts to lowercase and generally
+ * most certs are issued with lowercase DNS names, meaning
+ * this avoids the fold operation in most cases. The RFC
+ * suggests the opposite transformation, but doesn't require
+ * any specific implementation in any case. It is critical
+ * that this folding be locale independent so you can't use
+ * tolower(). */
+ pattern_c = canonicalize_to_lower(pattern_c);
+ hostname_c = canonicalize_to_lower(hostname_c);
+
+ if (pattern_c != hostname_c)
+ {
+ /* doesn't match */
+ return FALSE;
+ }
+ else
+ {
+ /* characters match so skip both */
+ pattern_pos++;
+ hostname_pos++;
+ }
+ }
+
+ /* ignore a trailing period on the hostname since this has no effect on the
+ * security of the matching. See the following for the long explanation as
+ * to why:
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=134402#c28
+ */
+ if (pattern_pos == pattern->len &&
+ hostname_pos == hostname->len - 1 &&
+ hostname->data[hostname_pos] == '.')
+ hostname_pos++;
+
+ if (pattern_pos != pattern->len || hostname_pos != hostname->len)
+ {
+ /* end didn't match */
+ return FALSE;
+ }
+
+ return TRUE;
+}
Index: subversion/tests/libsvn_subr/dirent_uri-test.c
===================================================================
--- subversion/tests/libsvn_subr/dirent_uri-test.c (revision 1615128)
+++ subversion/tests/libsvn_subr/dirent_uri-test.c (working copy)
@@ -37,6 +37,7 @@
#include "svn_pools.h"
#include "svn_dirent_uri.h"
#include "private/svn_fspath.h"
+#include "private/svn_cert.h"
#include "../svn_test.h"
@@ -2714,6 +2715,145 @@ test_fspath_get_longest_ancestor(apr_pool_t *pool)
return SVN_NO_ERROR;
}
+struct cert_match_dns_test {
+ const char *pattern;
+ const char *hostname;
+ svn_boolean_t expected;
+};
+
+static svn_error_t *
+run_cert_match_dns_tests(struct cert_match_dns_test *tests, apr_pool_t *pool)
+{
+ struct cert_match_dns_test *ct;
+ apr_pool_t *iterpool = svn_pool_create(pool);
+
+ for (ct = tests; ct->pattern; ct++)
+ {
+ svn_boolean_t result;
+ svn_string_t *pattern, *hostname;
+
+ svn_pool_clear(iterpool);
+
+ pattern = svn_string_create(ct->pattern, iterpool);
+ hostname = svn_string_create(ct->hostname, iterpool);
+
+ result = svn_cert__match_dns_identity(pattern, hostname);
+ if (result != ct->expected)
+ return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
+ "Expected %s but got %s for pattern '%s' on "
+ "hostname '%s'",
+ ct->expected ? "match" : "no match",
+ result ? "match" : "no match",
+ pattern->data, hostname->data);
+
+ }
+
+ svn_pool_destroy(iterpool);
+
+ return SVN_NO_ERROR;
+}
+
+static struct cert_match_dns_test cert_match_dns_tests[] = {
+ { "foo.example.com", "foo.example.com", TRUE }, /* exact match */
+ { "foo.example.com", "FOO.EXAMPLE.COM", TRUE }, /* case differences */
+ { "FOO.EXAMPLE.COM", "foo.example.com", TRUE },
+ { "*.example.com", "FoO.ExAmPlE.CoM", TRUE },
+ { "*.ExAmPlE.CoM", "foo.example.com", TRUE },
+ { "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "abcdefghijklmnopqrstuvwxyz", TRUE },
+ { "abcdefghijklmnopqrstuvwxyz", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", TRUE },
+ { "foo.example.com", "bar.example.com", FALSE }, /* difference at start */
+ { "foo.example.com", "foo.example.net", FALSE }, /* difference at end */
+ { "foo.example.com", "foo.example.commercial", FALSE }, /* hostname longer */
+ { "foo.example.commercial", "foo.example.com", FALSE }, /* pattern longer */
+ { "foo.example.comcom", "foo.example.com", FALSE }, /* repeated suffix */
+ { "foo.example.com", "foo.example.comcom", FALSE },
+ { "foo.example.com.com", "foo.example.com", FALSE },
+ { "foo.example.com", "foo.example.com.com", FALSE },
+ { "foofoo.example.com", "foo.example.com", FALSE }, /* repeated prefix */
+ { "foo.example.com", "foofoo.example.com", FALSE },
+ { "foo.foo.example.com", "foo.example.com", FALSE },
+ { "foo.example.com", "foo.foo.example.com", FALSE },
+ { "foo.*.example.com", "foo.bar.example.com", FALSE }, /* RFC 6125 s. 6.4.3
+ Rule 1 */
+ { "*.example.com", "foo.example.com", TRUE }, /* RFC 6125 s. 6.4.3 Rule 2 */
+ { "*.example.com", "bar.foo.example.com", FALSE }, /* Rule 2 */
+ { "*.example.com", "example.com", FALSE }, /* Rule 2 */
+ { "*.example.com", ".example.com", FALSE }, /* RFC doesn't say what to do
+ here and a leading period on
+ a hostname doesn't make sense
+ so we'll just reject this. */
+ { "*", "foo.example.com", FALSE }, /* wildcard must be left-most label,
+ implies that there must be more than
+ one label. */
+ { "*", "example.com", FALSE },
+ { "*", "com", FALSE },
+ { "*.example.com", "foo.example.net", FALSE }, /* difference in literal text
+ with a wildcard. */
+ { "*.com", "example.com", TRUE }, /* See Errata ID 3090 for RFC 6125,
+ probably shouldn't allow this but
+ we do for now. */
+ { "*.", "example.com", FALSE }, /* test some dubious 2 character wildcard
+ patterns */
+ { "*.", "example.", TRUE }, /* This one feels questionable */
+ { "*.", "example", FALSE },
+ { "*.", ".", FALSE },
+ { "a", "a", TRUE }, /* check that single letter exact matches work */
+ { "a", "b", FALSE }, /* and single letter not matches shouldn't */
+ { "*.*.com", "foo.example.com", FALSE }, /* unsupported wildcards */
+ { "*.*.com", "example.com", FALSE },
+ { "**.example.com", "foo.example.com", FALSE },
+ { "**.example.com", "example.com", FALSE },
+ { "f*.example.com", "foo.example.com", FALSE },
+ { "f*.example.com", "bar.example.com", FALSE },
+ { "*o.example.com", "foo.example.com", FALSE },
+ { "*o.example.com", "bar.example.com", FALSE },
+ { "f*o.example.com", "foo.example.com", FALSE },
+ { "f*o.example.com", "bar.example.com", FALSE },
+ { "foo.e*.com", "foo.example.com", FALSE },
+ { "foo.*e.com", "foo.example.com", FALSE },
+ { "foo.e*e.com", "foo.example.com", FALSE },
+ { "foo.example.com", "foo.example.com.", TRUE }, /* trailing dot */
+ { "*.example.com", "foo.example.com.", TRUE },
+ { "foo", "foo.", TRUE },
+ { "foo.example.com.", "foo.example.com", FALSE },
+ { "*.example.com.", "foo.example.com", FALSE },
+ { "foo.", "foo", FALSE },
+ { "foo.example.com", "foo.example.com..", FALSE },
+ { "*.example.com", "foo.example.com..", FALSE },
+ { "foo", "foo..", FALSE },
+ { "foo.example.com..", "foo.example.com", FALSE },
+ { "*.example.com..", "foo.example.com", FALSE },
+ { "foo..", "foo", FALSE },
+ { NULL }
+};
+
+static svn_error_t *
+test_cert_match_dns_identity(apr_pool_t *pool)
+{
+ return run_cert_match_dns_tests(cert_match_dns_tests, pool);
+}
+
+/* This test table implements results that should happen if we supported
+ * RFC 6125 s. 6.4.3 Rule 3. We don't so it's expected to fail for now. */
+static struct cert_match_dns_test rule3_tests[] = {
+ { "baz*.example.net", "baz1.example.net", TRUE },
+ { "*baz.example.net", "foobaz.example.net", TRUE },
+ { "b*z.example.net", "buuz.example.net", TRUE },
+ { "b*z.example.net", "bz.example.net", FALSE }, /* presume wildcard can't
+ match nothing */
+ { "baz*.example.net", "baz.example.net", FALSE },
+ { "*baz.example.net", "baz.example.net", FALSE },
+ { "b*z.example.net", "buuzuuz.example.net", TRUE }, /* presume wildcard
+ should be greedy */
+ { NULL }
+};
+
+static svn_error_t *
+test_rule3(apr_pool_t *pool)
+{
+ return run_cert_match_dns_tests(rule3_tests, pool);
+}
+
/* The test table. */
@@ -2812,5 +2952,9 @@ struct svn_test_descriptor_t test_funcs[] =
"test svn_fspath__dirname/basename/split"),
SVN_TEST_PASS2(test_fspath_get_longest_ancestor,
"test svn_fspath__get_longest_ancestor"),
+ SVN_TEST_PASS2(test_cert_match_dns_identity,
+ "test svn_cert__match_dns_identity"),
+ SVN_TEST_XFAIL2(test_rule3,
+ "test match with RFC 6125 s. 6.4.3 Rule 3"),
SVN_TEST_NULL
};

View File

@@ -12,11 +12,9 @@ inherit gettext
SRC_URI = "${APACHE_MIRROR}/${BPN}/${BPN}-${PV}.tar.bz2 \
file://libtool2.patch \
file://disable_macos.patch \
file://subversion-CVE-2014-3522.patch;striplevel=0 \
file://subversion-CVE-2014-3528.patch \
"
SRC_URI[md5sum] = "bd495517a760ddd764ce449a891971db"
SRC_URI[sha256sum] = "45d708a5c3ffbef4b2a1044c4716a053e680763743d1f7ba99d0369f6da49e33"
SRC_URI[md5sum] = "3068256761b40863df96128834d6b71b"
SRC_URI[sha256sum] = "1cc900c8a7974337c3ed389dc6b5c59012ec48c7d4107ae31fd7c929ded47dcc"
LIC_FILES_CHKSUM = "file://LICENSE;md5=1c2f0119e478700b5428e26386cff923"