I wrote:
> I'll post again tomorrow - with the patch. Sorry for being so late.
So, here it is; a SSL patch for ht://Dig 3.1.6 that
- is built upon ssl.9
- is governed by a HAVE_SSL macro. As I don't know much about
autoconf, I couldn't implement detecting and setting it in
configure.in .
- implements use of a RANDFILE for platforms not having
/dev/u?random or EGD, governed by the macro SSL_NEED_RANDFILE.
Mandatory for OpenSSL 0.9.5+.
- uses the more recent API
- prints SSL error messages
Thanks, Mari, for bugging me into finally doing it.
Sorry if LookOut wraps lines.
cu,
Martin
<begin patch>
diff -urd htdig-3.1.6/Makefile.config.in
htdig-3.1.6-ssl/Makefile.config.in
--- htdig-3.1.6/Makefile.config.in Fri Feb 1 00:47:14 2002
+++ htdig-3.1.6-ssl/Makefile.config.in Mon Oct 21 17:30:40 2002
@@ -23,14 +23,15 @@
PDF_PARSER= @PDF_PARSER@
SENDMAIL= @SENDMAIL@
-DEFINES= -DDEFAULT_CONFIG_FILE=\"$(DEFAULT_CONFIG_FILE)\"
+DEFINES=
@DEFS@ -DDEFAULT_CONFIG_FILE=\"$(DEFAULT_CONFIG_FILE)\" -DHAVE_SSL
+LIBDIRS= -L../htlib -L../htcommon -L../db/dist -L/usr/lib -L$(OPENSSL)/
lib
LIBDIRS= -L../htlib -L../htcommon -L../db/dist -L/usr/lib
INCS= -I$(top_srcdir)/htlib -I$(top_srcdir)/htcommon \
- -I../db/dist -I../include
+ -I../db/dist -I../include -I$(OPENSSL)/include
HTLIBS= ../htcommon/libcommon.a \
../htlib/libht.a \
../db/dist/libdb.a
-LIBS= $(HTLIBS) @LIBS@
+LIBS= $(HTLIBS) @LIBS@ -lssl -lcrypto
DIST= @PACKAGE@-@VERSION@
DISTDIR= $(top_srcdir)/../$(DIST)
diff -urd htdig-3.1.6/htcommon/DocumentDB.cc
htdig-3.1.6-ssl/htcommon/DocumentDB.cc
--- htdig-3.1.6/htcommon/DocumentDB.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htcommon/DocumentDB.cc Mon Oct 21 04:40:54 2002
@@ -231,7 +231,11 @@
while ((key = dbf->Get_Next()))
{
dbf->Get(key, data);
+#ifndef HAVE_SSL
if (strncmp(HtURLCodec::instance()->decode(key), "http:", 5) == 0)
+#else /* HAVE_SSL */
+ if (strncmp(HtURLCodec::instance()->decode(key), "http:", 5) ==
0 || strncmp(HtURLCodec::instance()->decode(key), "https:", 6) == 0)
+#endif /* HAVE_SSL */
{
ref = new DocumentRef;
ref->Deserialize(data);
@@ -419,7 +423,11 @@
while ((coded_key = dbf->Get_Next()))
{
String key = HtURLCodec::instance()->decode(coded_key);
+#ifndef HAVE_SSL
if (mystrncasecmp(key, "http:", 5) == 0)
+#else /* HAVE_SSL */
+ if (mystrncasecmp(key, "http:", 5) == 0 || mystrncasecmp(key,
"https:", 6) == 0)
+#endif /* HAVE_SSL */
{
DocumentRef *ref = (*this)[key];
if (ref)
diff -urd htdig-3.1.6/htcommon/defaults.cc
htdig-3.1.6-ssl/htcommon/defaults.cc
--- htdig-3.1.6/htcommon/defaults.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htcommon/defaults.cc Mon Oct 21 04:40:54 2002
@@ -43,7 +43,11 @@
{"boolean_syntax_errors", "Expected 'a search word' 'at the end'
'instead of' 'end of expression'"},
{"build_select_lists", ""},
{"case_sensitive", "true"},
+#ifndef HAVE_SSL
{"common_url_parts", "http:// http://www. ftp://
ftp://ftp. /pub/ .html .htm .gif .jpg .jpeg /index.html /index.htm .com/
.com mailto:"},
+#else /* HAVE_SSL */
+ {"common_url_parts", "https:// https://www. http://
http://www. ftp:// ftp://ftp. /pub/ .html .htm .gif .jpg .jpeg
/index.html /index.htm .com/ .com mailto:"},
+#endif /* HAVE_SSL */
{"create_image_list", "false"},
{"create_url_list", "false"},
{"compression_level", "0"},
diff -urd htdig-3.1.6/htdig/Document.cc
htdig-3.1.6-ssl/htdig/Document.cc
--- htdig-3.1.6/htdig/Document.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/Document.cc Mon Oct 21 17:37:56 2002
@@ -474,7 +474,10 @@
return Document_no_host;
}
}
-
+
+#ifdef HAVE_SSL
+ c.assign_ssl(strcmp(url->service(), "https") == 0);
+#endif /* HAVE_SSL */
if (c.connect(1) == NOTOK)
{
if (debug)
@@ -484,6 +487,10 @@
{
cout << "(Via proxy " << proxy->host() << ':' << proxy->port() << ')'
<< endl;
}
+#ifdef HAVE_SSL
+ if (strcmp(url->service(), "https") == 0)
+ cout << c.ssl_error_message() << endl;
+#endif /* HAVE_SSL */
}
c.close();
return Document_no_server;
diff -urd htdig-3.1.6/htdig/Images.cc htdig-3.1.6-ssl/htdig/Images.cc
--- htdig-3.1.6/htdig/Images.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/Images.cc Mon Oct 21 04:40:54 2002
@@ -61,7 +61,11 @@
{
String u = url;
URL Url(url);
+#ifndef HAVE_SSL
if (strcmp(Url.service(), "http") != 0)
+#else /* HAVE_SSL */
+ if (strcmp(Url.service(), "http") != 0 && strcmp(Url.service(),
"https") != 0)
+#endif /* HAVE_SSL */
return 0;
u.lowercase();
@@ -81,6 +85,9 @@
return 0;
if (c.assign_server(Url.host()) == NOTOK)
return 0;
+#ifdef HAVE_SSL
+ c.assign_ssl(strcmp(Url.service(), "https") == 0);
+#endif /* HAVE_SSL */
if (c.connect(1) == NOTOK)
{
diff -urd htdig-3.1.6/htdig/Retriever.cc
htdig-3.1.6-ssl/htdig/Retriever.cc
--- htdig-3.1.6/htdig/Retriever.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/Retriever.cc Tue Oct 22 06:44:31 2002
@@ -137,10 +137,14 @@
cout << "\t" << from << ":" << (int) log << ":" << url;
if (!server)
{
- String robotsURL = "http://";;
- robotsURL << u.host() << "/robots.txt";
+ String robotsURL = u.service();
+ robotsURL << "://" << u.host() << "/robots.txt";
StringList *localRobotsFiles = GetLocal(robotsURL.get());
+#ifndef HAVE_SSL
server = new Server(u.host(), u.port(), localRobotsFiles);
+#else /* HAVE_SSL */
+ server = new Server(u.host(), u.port(), strcmp(u.service(),
"https") == 0, localRobotsFiles);
+#endif /* HAVE_SSL */
servers.Add(u.signature(), server);
delete localRobotsFiles;
}
@@ -679,10 +683,18 @@
// Currently, we only deal with HTTP URLs. Gopher and ftp will
// come later... ***FIX***
//
+#ifndef HAVE_SSL
if (strstr(u, "/../") || strncmp(u, "http://";, 7) != 0)
+#else /* HAVE_SSL */
+ if (strstr(u, "/../") || (strncmp(u, "http://";, 7) != 0 &&
strncmp(u, "https://";, 8) != 0))
+#endif /* HAVE_SSL */
{
if (debug > 2)
+#ifndef HAVE_SSL
cout << endl <<" Rejected: Not an http or relative link!";
+#else /* HAVE_SSL */
+ cout << endl <<" Rejected: Not an http, https or relative
link!";
+#endif /* HAVE_SSL */
return FALSE;
}
@@ -1365,10 +1377,14 @@
//
// Hadn't seen this server, yet. Register it
//
- String robotsURL = "http://";;
- robotsURL << url.host() << "/robots.txt";
+ String robotsURL = url.service();
+ robotsURL << "://" << url.host() << "/robots.txt";
StringList *localRobotsFile = GetLocal(robotsURL.get());
+#ifndef HAVE_SSL
server = new Server(url.host(), url.port(), localRobotsFile);
+#else /* HAVE_SSL */
+ server = new Server(url.host(), url.port(), (int)
(strcmp(url.service(), "https") == 0), localRobotsFile);
+#endif /* HAVE_SSL */
servers.Add(url.signature(), server);
delete localRobotsFile;
}
@@ -1509,10 +1525,14 @@
//
// Hadn't seen this server, yet. Register it
//
- String robotsURL = "http://";;
- robotsURL << url.host() << "/robots.txt";
+ String robotsURL = url.service();
+ robotsURL << "://" << url.host() << "/robots.txt";
StringList *localRobotsFile = GetLocal(robotsURL.get());
+#ifndef HAVE_SSL
server = new Server(url.host(), url.port(), localRobotsFile);
+#else /* HAVE_SSL */
+ server = new Server(url.host(), url.port(), strcmp(url.service(),
"https") == 0, localRobotsFile);
+#endif /* HAVE_SSL */
servers.Add(url.signature(), server);
delete localRobotsFile;
}
Only in htdig-3.1.6-ssl/htdig: Retriever.cc~
diff -urd htdig-3.1.6/htdig/Server.cc htdig-3.1.6-ssl/htdig/Server.cc
--- htdig-3.1.6/htdig/Server.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/Server.cc Mon Oct 21 19:57:02 2002
@@ -20,9 +20,17 @@
//**********************************************************************
*******
-// Server::Server(char *host, int port, StringList *local_robots_files)
+//#ifndef HAVE_SSL
+// Server::Server(char *host, int port, StringList
*local_robots_files)
+//#else /* HAVE_SSL */
+// Server::Server(char *host, int port, int ssl, StringList
*local_robots_files)
+//#endif /* HAVE_SSL */
//
-Server::Server(char *host, int port, StringList *local_robots_files)
+#ifndef HAVE_SSL
+Server::Server(char *host, int port, StringList
*local_robots_files)
+#else /* HAVE_SSL */
+Server::Server(char *host, int port, int ssl, StringList
*local_robots_files)
+#endif /* HAVE_SSL */
{
if (debug > 0)
cout << endl << "New server: " << host << ", " << port << endl;
@@ -41,6 +49,9 @@
// Attempt to get a robots.txt file from the specified server
//
String url = "http://";;
+#ifdef HAVE_SSL
+ if (ssl) url = "https://";;
+#endif /* HAVE_SSL */
url << host << ':' << port << "/robots.txt";
Document doc(url, 0);
diff -urd htdig-3.1.6/htdig/Server.h htdig-3.1.6-ssl/htdig/Server.h
--- htdig-3.1.6/htdig/Server.h Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/Server.h Mon Oct 21 19:57:02 2002
@@ -26,7 +26,11 @@
//
// Construction/Destruction
//
- Server(char *host, int port, StringList *local_robots_files = NULL);
+#ifndef HAVE_SSL
+ Server(char *host, int port, StringList *local_robots_files =
NULL);
+#else /* HAVE_SSL */
+ Server(char *host, int port, int ssl, StringList *local_robots_files =
NULL);
+#endif /* HAVE_SSL */
~Server();
//
diff -urd htdig-3.1.6/htdig/htdig.cc htdig-3.1.6-ssl/htdig/htdig.cc
--- htdig-3.1.6/htdig/htdig.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htdig/htdig.cc Mon Oct 21 05:35:33 2002
@@ -386,7 +386,11 @@
{
cout << "usage: htdig [-v][-i][-c configfile][-t][-h hopcount][-s]
\\\n";
cout << " [-u username:password][-a][-m
minimalfile][file]\n";
- cout << "This program is part of ht://Dig " << VERSION << "\n\n";
+ cout << "This program is part of ht://Dig " << VERSION;
+#ifdef HAVE_SSL
+ cout << "/SSL";
+#endif /* HAVE_SSL */
+ cout << "\n\n";
cout << "Options:\n";
cout << "\t-v\tVerbose mode. This increases the verbosity of
the\n";
diff -urd htdig-3.1.6/htlib/Connection.cc
htdig-3.1.6-ssl/htlib/Connection.cc
--- htdig-3.1.6/htlib/Connection.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htlib/Connection.cc Tue Oct 22 06:44:31 2002
@@ -42,6 +42,10 @@
int rresvport(int *);
}
+#ifdef HAVE_SSL
+SSL_CTX *Connection::ctx = NULL;
+SSL_METHOD *Connection::meth = NULL;
+#endif /* HAVE_SSL */
List all_connections;
Connection::Connection()
@@ -54,7 +58,41 @@
timeout_value = 0;
retry_value = 1;
wait_time = 5; // wait 5 seconds after a failed connection
+#ifdef HAVE_SSL
+ ssl = NULL;
+ m_ssl_on = 0;
+#endif /* HAVE_SSL */
+}
+
+#ifdef HAVE_SSL
+void Connection::initSSL()
+{
+ static int init = 0;
+
+ if (! init)
+ {
+ init = 1;
+
+ SSL_library_init();
+ SSL_load_error_strings();
+#ifdef SSL_NEED_RANDFILE
+ char buffer[200];
+ RAND_load_file(RAND_file_name(buffer, sizeof buffer), -1);
+#endif /* SSL_NEED_RANDFILE */
+ meth = SSLv23_client_method();
+ }
+
+ if (ctx == NULL)
+ {
+ ctx = SSL_CTX_new(meth);
+ if (ctx == NULL)
+ {
+ cout << ssl_error_message() << endl;
+ exit(1);
+ }
+ }
}
+#endif /* HAVE_SSL */
//**********************************************************************
***
@@ -79,6 +117,10 @@
timeout_value = 0;
retry_value = 1;
wait_time = 5;
+#ifdef HAVE_SSL
+ ssl = NULL;
+ m_ssl_on = 0;
+#endif /* HAVE_SSL */
}
@@ -91,6 +133,13 @@
this->close();
delete peer;
delete server_name;
+#ifdef HAVE_SSL
+ if (ctx != NULL)
+ {
+ SSL_CTX_free(ctx);
+ ctx = NULL;
+ }
+#endif
}
@@ -164,7 +213,15 @@
connected = 0;
if (sock >= 0)
{
+#ifdef HAVE_SSL
+ if (m_ssl_on)
+ SSL_shutdown(ssl);
+#endif /* HAVE_SSL */
int ret = ::close(sock);
+#ifdef HAVE_SSL
+ SSL_free(ssl);
+ ssl = NULL;
+#endif /* HAVE_SSL */
sock = -1;
return ret;
}
@@ -245,6 +302,27 @@
static void handler_timeout(int) {
}
+
+#ifdef HAVE_SSL
+//*********************************************************************
********
+// int Connection::assign_ssl(int ssl_on)
+//
+int Connection::assign_ssl(int ssl_on)
+{
+ m_ssl_on = ssl_on;
+ return OK;
+}
+
+//*********************************************************************
********
+// char* Connection::ssl_error_message(void)
+//
+char* Connection::ssl_error_message(void)
+{
+ return ERR_error_string(ERR_get_error(), NULL);
+}
+#endif /* HAVE_SSL */
+
+
//**********************************************************************
*******
// int Connection::connect(int allow_EINTR)
//
@@ -253,6 +331,11 @@
int status;
int retries = retry_value;
+#ifdef HAVE_SSL
+ if (m_ssl_on)
+ initSSL();
+#endif
+
while (retries--)
{
//
@@ -278,8 +361,29 @@
if (status == 0 || errno == EALREADY || errno == EISCONN)
{
+#ifndef HAVE_SSL
connected = 1;
return OK;
+#else /* HAVE_SSL */
+ if (m_ssl_on)
+ {
+ ssl = SSL_new(ctx);
+ if (ssl != NULL)
+ {
+ SSL_set_fd(ssl, sock);
+ if (SSL_connect(ssl) > 0)
+ {
+ connected = 1;
+ return OK;
+ }
+ }
+ }
+ else
+ {
+ connected = 1;
+ return OK;
+ }
+#endif /* HAVE_SSL */
}
//
@@ -441,7 +545,16 @@
}
if (!need_io_stop)
+ {
+#ifndef HAVE_SSL
count = ::read(sock, buffer, maxlength);
+#else /* HAVE_SSL */
+ if (ssl != NULL)
+ count = SSL_read(ssl, buffer, maxlength);
+ else
+ count = ::read(sock, buffer, maxlength);
+#endif /* HAVE_SSL */
+ }
else
count = -1; // Input timed out
}
@@ -461,7 +574,14 @@
do
{
+#ifndef HAVE_SSL
count = ::write(sock, buffer, maxlength);
+#else /* HAVE_SSL */
+ if (ssl != NULL)
+ count = SSL_write(ssl, buffer, maxlength);
+ else
+ count = ::write(sock, buffer, maxlength);
+#endif /* HAVE_SSL */
}
while (count < 0 && errno == EINTR && !need_io_stop);
need_io_stop = 0;
Only in htdig-3.1.6-ssl/htlib: Connection.cc~
diff -urd htdig-3.1.6/htlib/Connection.h
htdig-3.1.6-ssl/htlib/Connection.h
--- htdig-3.1.6/htlib/Connection.h Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htlib/Connection.h Mon Oct 21 05:57:32 2002
@@ -44,6 +44,16 @@
#include <netinet/in.h>
#include <netdb.h>
+#ifdef HAVE_SSL
+#include <openssl/rsa.h>
+#include <openssl/crypto.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#endif /* HAVE_SSL */
+
class String;
class Connection : public io
@@ -73,6 +83,13 @@
int assign_server(unsigned int addr = INADDR_ANY);
char *get_server() {return server_name;}
+#ifdef HAVE_SSL
+ // SLL stuff
+ void initSSL();
+ int assign_ssl(int ssl_on);
+ char *ssl_error_message(void);
+#endif /* HAVE_SSL */
+
// Connection establishment
int connect(int allow_EINTR = 0);
Connection *accept(int priv = 0);
@@ -99,6 +116,12 @@
private:
int sock;
+#ifdef HAVE_SSL
+ int m_ssl_on;
+ SSL *ssl;
+ static SSL_CTX *ctx;
+ static SSL_METHOD *meth;
+#endif /* HAVE_SSL */
struct sockaddr_in server;
int connected;
char *peer;
diff -urd htdig-3.1.6/htlib/URL.cc htdig-3.1.6-ssl/htlib/URL.cc
--- htdig-3.1.6/htlib/URL.cc Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htlib/URL.cc Tue Oct 22 06:44:31 2002
@@ -131,9 +131,21 @@
while (isalpha(*p))
p++;
int hasService = (*p == ':');
+#ifndef HAVE_SSL
if ((hasService && ((strncmp(ref, "http://";, 7) == 0) ||
(strncmp(ref, "http:", 5) != 0)))
|| strncmp(ref, "//", 2) == 0)
+#else /* HAVE_SSL */
+
+ if ((hasService &&
+ ( (strncmp(ref, "http://";, 7) == 0) ||
+ (strncmp(ref, "http:", 5) != 0) ||
+ (strncmp(ref, "https://";, 8) == 0) ||
+ (strncmp(ref, "https:", 6) != 0)
+ )
+ )
+ || (strncmp(ref, "//", 2) == 0))
+#endif /* HAVE_SSL */
{
//
// No need to look at the parent url since this is a complete url...
@@ -218,7 +230,14 @@
_url << ":";
if (_host.length())
_url << "//" << _host;
+ // Add on the port if its not one of the standard ones
+#ifndef HAVE_SSL
if (_port != 80 && strcmp(_service, "http") == 0)
+#else /* HAVE_SSL */
+ if ((strcmp(_service, "https") == 0 && _port != 443)||
+ (strcmp(_service, "http" ) == 0 && _port != 80)
+ )
+#endif /* HAVE_SSL */
_url << ':' << _port;
_url << _path;
}
@@ -292,13 +311,29 @@
if (p)
_port = atoi(p);
if (!p || _port <= 0)
+#ifndef HAVE_SSL
_port = 80;
+#else /* HAVE_SSL */
+ {
+ if( strcmp( _service, "https" ) == 0 )
+ _port = 443;
+ else
+ _port = 80;
+ }
+#endif /* HAVE_SSL */
}
else
{
_host = strtok(p, "/");
_host.chop(" \t");
+#ifndef HAVE_SSL
_port = 80;
+#else /* HAVE_SSL */
+ if( strcmp( _service, "https" ) == 0 )
+ _port = 443;
+ else
+ _port = 80;
+#endif /* HAVE_SSL */
}
//
@@ -317,7 +352,12 @@
//
_url = _service;
_url << "://" << _host;
+#ifndef HAVE_SSL
if (_port != 80)
+#else /* HAVE_SSL */
+ if ((strcmp(_service, "https") == 0 && _port != 443)||
+ (strcmp(_service, "http" ) == 0 && _port != 80))
+#endif /* HAVE_SSL */
_url << ':' << _port;
_url << _path;
}
@@ -446,7 +486,12 @@
_path.lowercase();
_url = _service;
_url << "://" << _host;
+#ifndef HAVE_SSL
if (_port != 80)
+#else /* HAVE_SSL */
+ if ((strcmp(_service, "https") == 0 && _port != 443)||
+ (strcmp(_service, "http" ) == 0 && _port != 80))
+#endif /* HAVE_SSL */
_url << ':' << _port;
_url << _path;
}
@@ -496,7 +541,12 @@
if (_service.length() == 0 || _normal)
return;
+#ifndef HAVE_SSL
if (strcmp(_service, "http") != 0)
+#else /* HAVE_SSL */
+ if (strcmp(_service, "http") != 0 &&
+ strcmp(_service, "https") != 0)
+#endif /* HAVE_SSL */
return;
removeIndex(_path);
@@ -553,7 +603,12 @@
_url << ":";
if (_host.length())
_url << "//" << _host;
+#ifndef HAVE_SSL
if (_port != 80 && strcmp(_service, "http") == 0)
+#else /* HAVE_SSL */
+ if ((strcmp(_service, "https") == 0 && _port != 443)||
+ (strcmp(_service, "http" ) == 0 && _port != 80))
+#endif /* HAVE_SSL */
_url << ':' << _port;
_url << _path;
_normal = 1;
Only in htdig-3.1.6-ssl/htlib: URL.cc~
diff -urd htdig-3.1.6/htlib/URL.h htdig-3.1.6-ssl/htlib/URL.h
--- htdig-3.1.6/htlib/URL.h Fri Feb 1 00:47:17 2002
+++ htdig-3.1.6-ssl/htlib/URL.h Mon Oct 21 19:57:02 2002
@@ -59,18 +59,18 @@
void parse(char *url);
- char *host() {return _host;}
+ char *host() {return _host.get();}
void host(char *h) {_host = h;}
int port() {return _port;}
void port(int p) {_port = p;}
- char *service() {return _service;}
+ char *service() {return
_service.get();}
void service(char *s) {_service = s;}
- char *path() {return _path;}
+ char *path() {return _path.get();}
void path(char *p);
int hopcount() {return _hopcount;}
void hopcount(int h) {_hopcount = h;}
- char *get() {return _url;}
+ char *get() {return _url.get();}
void dump();
void normalize();
void rewrite();
<end patch>
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