wget/wget-sni.patch

128 lines
3.3 KiB
Diff

--- src/host.c
+++ src/host.c
@@ -914,3 +914,19 @@ host_cleanup (void)
host_name_addresses_map = NULL;
}
}
+
+/* Determine whether or not a hostname is an IP address that we recognise. */
+bool
+is_ip_address (const char *name)
+{
+ const char *endp;
+
+ endp = name + strlen(name);
+ if (is_valid_ipv4_address(name, endp))
+ return true;
+#ifdef ENABLE_IPV6
+ if (is_valid_ipv6_address(name, endp))
+ return true;
+#endif
+ return false;
+}
--- src/host.h
+++ src/host.h
@@ -102,5 +102,5 @@ bool accept_domain (struct url *);
bool sufmatch (const char **, const char *);
void host_cleanup (void);
-
+bool is_ip_address(const char *);
#endif /* HOST_H */
--- src/http.c
+++ src/http.c
@@ -1909,7 +1909,7 @@ gethttp (struct url *u, struct http_stat
if (conn->scheme == SCHEME_HTTPS)
{
- if (!ssl_connect_wget (sock))
+ if (!ssl_connect_wget (sock, u->host))
{
fd_close (sock);
return CONSSLERR;
--- src/openssl.c
+++ src/openssl.c
@@ -40,12 +40,12 @@ as that of the covered work. */
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include <openssl/rand.h>
-
+#include <openssl/engine.h>
#include "utils.h"
#include "connect.h"
#include "url.h"
#include "ssl.h"
-
+#include "host.h"
#ifdef WINDOWS
# include <w32sock.h>
#endif
@@ -175,11 +175,15 @@ ssl_init ()
_("Could not seed PRNG; consider using --random-file.\n"));
goto error;
}
-
+ OPENSSL_config(NULL);
SSL_library_init ();
SSL_load_error_strings ();
SSLeay_add_all_algorithms ();
SSLeay_add_ssl_algorithms ();
+ /* Load all bundled ENGINEs into memory and make them visible */
+ ENGINE_load_builtin_engines();
+ /* Register all of them for every algorithm they collectively implement */
+ ENGINE_register_all_complete();
switch (opt.secure_protocol)
{
@@ -239,7 +243,10 @@ ssl_init ()
/* The OpenSSL library can handle renegotiations automatically, so
tell it to do so. */
SSL_CTX_set_mode (ssl_ctx, SSL_MODE_AUTO_RETRY);
-
+#ifdef SSL_MODE_RELEASE_BUFFERS
+ /* Keep memory usage as low as possible */
+ SSL_CTX_set_mode (ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
+#endif
return true;
error:
@@ -393,7 +400,7 @@ static struct transport_implementation o
Returns true on success, false on failure. */
bool
-ssl_connect_wget (int fd)
+ssl_connect_wget (int fd, const char *hostname)
{
SSL *conn;
struct openssl_transport_context *ctx;
@@ -404,6 +411,18 @@ ssl_connect_wget (int fd)
conn = SSL_new (ssl_ctx);
if (!conn)
goto error;
+
+#if OPENSSL_VERSION_NUMBER >= 0x0090806fL && !defined(OPENSSL_NO_TLSEXT)
+ /* If the SSL library was build with support for ServerNameIndication
+ then use it whenever we have a hostname. If not, don't, ever. */
+ if (!is_ip_address(hostname))
+ {
+ if (!SSL_set_tlsext_host_name(conn, hostname)) {
+ DEBUGP (("Failed to set TLS server-name indication."));
+ goto error;
+ }
+ }
+#endif
#ifndef FD_TO_SOCKET
# define FD_TO_SOCKET(X) (X)
#endif
--- src/ssl.h
+++ src/ssl.h
@@ -33,7 +33,7 @@ as that of the covered work. */
#define GEN_SSLFUNC_H
bool ssl_init (void);
-bool ssl_connect_wget (int);
+bool ssl_connect_wget (int, const char *);
bool ssl_check_certificate (int, const char *);
#endif /* GEN_SSLFUNC_H */