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/* Copyright 2001-2006 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed 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.
*/
/* _ _
* _ __ ___ ___ __| | ___ ___| | mod_ssl
* | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL
* | | | | | | (_) | (_| | \__ \__ \ |
* |_| |_| |_|\___/ \__,_|___|___/___/_|
* |_____|
* ssl_engine_log.c
* Logging Facility
*/
/* ``The difference between a computer
industry job and open-source software
hacking is about 30 hours a week.''
-- Ralf S. Engelschall */
#include "ssl_private.h"
/* _________________________________________________________________
**
** Logfile Support
** _________________________________________________________________
*/
static const struct {
const char *cpPattern;
const char *cpAnnotation;
} ssl_log_annotate[] = {
{ "*envelope*bad*decrypt*", "wrong pass phrase!?" },
{ "*CLIENT_HELLO*unknown*protocol*", "speaking not SSL to HTTPS port!?" },
{ "*CLIENT_HELLO*http*request*", "speaking HTTP to HTTPS port!?" },
{ "*SSL3_READ_BYTES:sslv3*alert*bad*certificate*", "Subject CN in certificate not server name or identical to CA!?" },
{ "*self signed certificate in certificate chain*", "Client certificate signed by CA not known to server?" },
{ "*peer did not return a certificate*", "No CAs known to server for verification?" },
{ "*no shared cipher*", "Too restrictive SSLCipherSuite or using DSA server certificate?" },
{ "*no start line*", "Bad file contents or format - or even just a forgotten SSLCertificateKeyFile?" },
{ "*bad password read*", "You entered an incorrect pass phrase!?" },
{ "*bad mac decode*", "Browser still remembered details of a re-created server certificate?" },
{ NULL, NULL }
};
static const char *ssl_log_annotation(const char *error)
{
int i = 0;
while (ssl_log_annotate[i].cpPattern != NULL
&& ap_strcmp_match(error, ssl_log_annotate[i].cpPattern) != 0)
i++;
return ssl_log_annotate[i].cpAnnotation;
}
void ssl_die(void)
{
/*
* This is used for fatal errors and here
* it is common module practice to really
* exit from the complete program.
*/
exit(1);
}
/*
* Prints the SSL library error information.
*/
void ssl_log_ssl_error(const char *file, int line, int level, server_rec *s)
{
unsigned long e;
while ((e = ERR_get_error())) {
const char *annotation;
char err[256];
ERR_error_string_n(e, err, sizeof err);
annotation = ssl_log_annotation(err);
if (annotation) {
ap_log_error(file, line, level, 0, s,
"SSL Library Error: %lu %s %s",
e, err, annotation);
}
else {
ap_log_error(file, line, level, 0, s,
"SSL Library Error: %lu %s",
e, err);
}
}
}
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