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Add SSL_SHARED_CIPHER environment variable

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1908132 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dirk-Willem van Gulik
2023-03-06 17:46:04 +00:00
parent 1061b64bb7
commit 3067b17275
4 changed files with 11 additions and 1 deletions
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3
CHANGES
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@@ -1,6 +1,9 @@
-*- coding: utf-8 -*-
Changes with Apache 2.5.1
*) Add a SSL_SHARED_CIPHER environment variable with the list of
client/server permitted ciphers. [Dirk-Willem van Gulik]
*) mod_http2: field values (headers and trailers) are stripped of
leading/trailing whitespace (space +htab) before being processed
or send in a response. This is compatible behaviour to HTTP/1.1

3
docs/manual/mod/mod_ssl.xml
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@@ -66,7 +66,8 @@ compatibility variables.</p>
<tr><td><code>SSL_SESSION_ID</code></td> <td>string</td> <td>The hex-encoded SSL session id</td></tr>
<tr><td><code>SSL_SESSION_RESUMED</code></td> <td>string</td> <td>Initial or Resumed SSL Session. Note: multiple requests may be served over the same (Initial or Resumed) SSL session if HTTP KeepAlive is in use</td></tr>
<tr><td><code>SSL_SECURE_RENEG</code></td> <td>string</td> <td><code>true</code> if secure renegotiation is supported, else <code>false</code></td></tr>
<tr><td><code>SSL_CIPHER</code></td> <td>string</td> <td>The cipher specification name</td></tr>
<tr><td><code>SSL_SHARED_CIPHERS</code></td> <td>string</td> <td>Colon separated list of shared ciphers (i.e. the subset of ciphers that are configured on both server and on the client)</td></tr>
<tr><td><code>SSL_CIPHER</code></td> <td>string</td> <td>The name of the cipher agreed between client and server</td></tr>
<tr><td><code>SSL_CIPHER_EXPORT</code></td> <td>string</td> <td><code>true</code> if cipher is an export cipher</td></tr>
<tr><td><code>SSL_CIPHER_USEKEYSIZE</code></td> <td>number</td> <td>Number of cipher bits (actually used)</td></tr>
<tr><td><code>SSL_CIPHER_ALGKEYSIZE</code></td> <td>number</td> <td>Number of cipher bits (possible)</td></tr>

1
modules/ssl/ssl_engine_kernel.c
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@@ -1532,6 +1532,7 @@ static const char *const ssl_hook_Fixup_vars[] = {
"SSL_SERVER_A_SIG",
"SSL_SESSION_ID",
"SSL_SESSION_RESUMED",
"SSL_SHARED_CIPHERS",
#ifdef HAVE_SRP
"SSL_SRP_USER",
"SSL_SRP_USERINFO",

5
modules/ssl/ssl_engine_vars.c
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@@ -506,6 +506,11 @@ static const char *ssl_var_lookup_ssl(apr_pool_t *p, const SSLConnRec *sslconn,
else if (ssl != NULL && strcEQ(var, "COMPRESS_METHOD")) {
result = ssl_var_lookup_ssl_compress_meth(ssl);
}
else if (ssl != NULL && strcEQ(var, "SHARED_CIPHERS")) {
char buf[ 1024 * 16 ];
if (SSL_get_shared_ciphers(ssl,buf,sizeof(buf)))
result = apr_pstrdup(p,buf);
}
#ifdef HAVE_TLSEXT
else if (ssl != NULL && strcEQ(var, "TLS_SNI")) {
result = apr_pstrdup(p, SSL_get_servername(ssl,