renew and port PR # 71 originally authored by @aviramc

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "http-parser"]
+	path = http-parser
+	url = https://github.com/nodejs/http-parser/

Makefile

@@ -1,15 +1,18 @@
 ifdef DISABLE_SHADOWSOCKS
 OBJS := parser.o main.o redsocks.o log.o direct.o ipcache.o autoproxy.o http-connect.o \
         socks4.o socks5.o http-relay.o base.o base64.o md5.o http-auth.o utils.o redudp.o socks5-udp.o \
-        tcpdns.o gen/version.o
+        tcpdns.o tls.o gen/version.o
 CFLAGS +=-fPIC -O3 -DDISABLE_SHADOWSOCKS
 FEATURES += DISABLE_SHADOWSOCKS
 else
 OBJS := parser.o main.o redsocks.o log.o direct.o ipcache.o autoproxy.o encrypt.o shadowsocks.o http-connect.o \
         socks4.o socks5.o http-relay.o base.o base64.o md5.o http-auth.o utils.o redudp.o socks5-udp.o shadowsocks-udp.o \
-        tcpdns.o gen/version.o
+        tcpdns.o tls.o gen/version.o
 CFLAGS +=-fPIC -O3
 endif
+
+LIBHTTP_CFLAGS := -I./http-parser -L./http-parser
+
 SRCS := $(OBJS:.o=.c)
 CONF := config.h
 DEPS := .depend
@@ -18,6 +21,10 @@ VERSION := 0.68
 OS := $(shell uname)
 
 LIBS := -levent
+
+LIBS += -lhttp_parser
+CFLAGS += $(LIBHTTP_CFLAGS)
+
 override CFLAGS += -D_BSD_SOURCE -D_DEFAULT_SOURCE -Wall
 ifeq ($(OS), Linux)
 override CFLAGS += -std=c99 -D_XOPEN_SOURCE=600
@@ -63,11 +70,19 @@ endif
 
 all: $(OUT)
 
-.PHONY: all clean distclean
+.PHONY: all clean distclean http-parser
 
 tags: *.c *.h
 	ctags -R
 
+http-parser-download:
+	git submodule update --init
+
+http-parser-build:
+	cd http-parser && make package
+
+http-parser: http-parser-download http-parser-build
+
 $(CONF):
 	@case $(OS) in \
 	Linux*) \
@@ -149,8 +164,8 @@ $(DEPS): $(OSX_HEADERS) $(SRCS)
 
 -include $(DEPS)
 
-$(OUT): $(OBJS)
-	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
+$(OUT): http-parser $(OBJS)
+	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LDFLAGS) $(LIBS)
 
 clean:
 	$(RM) $(CONF) $(OBJS)
@@ -160,3 +175,4 @@ distclean: clean
 	$(RM) tags $(DEPS)
 	$(RM) -r gen
 	$(RM) -r $(OSX_ROOT_PATH)
+	cd http-parser && make clean

http-connect.c

@@ -42,6 +42,10 @@ typedef enum httpc_state_t {
 
 #define HTTP_HEAD_WM_HIGH 8192  // that should be enough for one HTTP line.
 
+#define MAX_SERVER_NAME (253)    /* Max DNS is 253 characters */
+#define MAX_PORT_STR_LENGTH (6)  /* Ports are 5 digits decimax max */
+#define MAX_CONNECT_HOST_LENGTH (MAX_SERVER_NAME + MAX_PORT_STR_LENGTH + 1) /* Add one byte for \0 */
+
 
 static void httpc_client_init(redsocks_client *client)
 {
@@ -174,6 +178,14 @@ struct evbuffer *httpc_mkconnect(redsocks_client *client)
 {
 	struct evbuffer *buff = NULL, *retval = NULL;
 	int len;
+    char *hostname = NULL;
+
+
+    if (client->hostname) {
+        hostname = client->hostname;
+    } else {
+        hostname = inet_ntoa(client->destaddr.sin_addr);
+    }
 
 	buff = evbuffer_new();
 	if (!buff) {
@@ -188,8 +200,8 @@ struct evbuffer *httpc_mkconnect(redsocks_client *client)
 	char *auth_string = NULL;
 
 	/* calculate uri */
-	char uri[RED_INET_ADDRSTRLEN];
-	red_inet_ntop(&client->destaddr, uri, sizeof(uri));
+	char uri[MAX_CONNECT_HOST_LENGTH] = {0};
+	snprintf(uri, MAX_CONNECT_HOST_LENGTH, "%s:%u", hostname, ntohs(client->destaddr.sin_port));
 
 	if (auth->last_auth_query != NULL) {
 		/* find previous auth challange */

protocol.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2014, Dustin Lundquist <[email protected]>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#include <inttypes.h>
+
+struct Protocol {
+    const char *const name;
+    const uint16_t default_port;
+    int (*const parse_packet)(const char*, size_t, char **);
+    const char *const abort_message;
+    const size_t abort_message_len;
+};
+
+#endif