The modified code supports C proxy.

Makefile

@@ -1,21 +1,19 @@
+CROSS_COMPILE ?= 
+CC := $(CROSS_COMPILE)gcc
+STRIP := $(CROSS_COMPILE)strip
+CFLAGS := -O2 -g -Wall -pthread
 OBJ := SpecialProxy
-CC := gcc
-CFLAGS := -O2 -Wall -pthread
-STRIP := strip
-#如果是安卓编译
-ifeq ($(ANDROID_DATA),/data)
-	CFLAGS := -O2 -pie -Wall
-	SHELL = /system/bin/sh
-endif
 
 
 all : main.o http.o dns.o timeout.o
 	$(CC) $(CFLAGS) $(DEFS) -o $(OBJ) $^
-	$(STRIP) $(OBJ)
+	: $(STRIP) $(OBJ)
-	-chmod 777 $(OBJ) 2>&-
+	-chmod 755 $(OBJ) 2>&-
 
 .c.o : 
 	$(CC) $(CFLAGS) $(DEFS) -c $<
 
 clean : 
 	rm -f *.o
+	rm $(OBJ)
+

http.c

@@ -2,6 +2,7 @@
 #include "dns.h"
 #include "timeout.h"
 
+#define SSL_RSP 270
 #define SSL_RSP_CONNECT "HTTP/1.1 200 Connection established\r\nServer: SpecialProxy_CuteBi\r\nConnection: keep-alive\r\n\r\n"
 #define SSL_RSP_HTTP "HTTP/1.1 200 OK\r\nContent-length: 99999999\r\nServer: SpecialProxy_CuteBi\r\nContent-Type: text/plain; charset=utf-8\r\nConnection: keep-alive\r\n\r\n"
 #define SSL_RSP_WEBSOCKET "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: SpecialProxy_CuteBi\r\n\r\n"
@@ -67,6 +68,7 @@ void close_connection(conn_t *conn)
     }
     if (conn->fd >= 0)
         close_connection(conn);
+
 }
 
 
@@ -105,6 +107,7 @@ static char *read_data(conn_t *in, char *data, int *data_len)
         }
         data = new_data;
         read_len = read(in->fd, data + *data_len, BUFFER_SIZE);
+        dataEncode(data, read_len);
         /* 判断是否关闭连接 */
         if (read_len <= 0)
         {
@@ -288,7 +291,7 @@ static int8_t parse_host(conn_t *server, char *host)
 /* 读取到的数据全部就绪，将incomplete_data复制到ready_data */
 static int8_t copy_data(conn_t *ct)
 {
-    dataEncode(ct->incomplete_data, ct->incomplete_data_len);
+    //dataEncode(ct->incomplete_data, ct->incomplete_data_len);
     if (ct->ready_data)
     {
         char *new_data;
@@ -348,55 +351,6 @@ static void serverToClient(conn_t *server)
         server->ready_data_len = server->sent_len = 0;
 }
 
-void tcp_out(conn_t *to)
-{
-    conn_t *from;
-    int write_len;
-
-    if (to->fd == -1)
-        return;
-    else if ((to - cts) & 1)
-        from = to - 1;
-    else
-        from = to + 1;
-    from->timer = to->timer = 0;
-    write_len = write(to->fd, from->ready_data + from->sent_len, from->ready_data_len - from->sent_len);
-    if (write_len == from->ready_data_len - from->sent_len)
-    {
-        //服务端的数据可能没全部写入到客户端
-        if ((from - cts) & 1)
-        {
-            serverToClient(from);
-            if (from->fd >= 0 && from->ready_data_len == 0)
-            {
-                ev.events = EPOLLIN|EPOLLET;
-                ev.data.ptr = to;
-                epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
-            }
-        }
-        else
-        {
-            ev.events = EPOLLIN|EPOLLET;
-            ev.data.ptr = to;
-            epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
-            free(from->ready_data);
-            from->ready_data = NULL;
-            from->ready_data_len = 0;
-        }
-    }
-    else if (write_len > 0)
-    {
-        from->sent_len += write_len;
-        ev.events = EPOLLIN|EPOLLOUT|EPOLLET;
-        ev.data.ptr = to;
-        epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
-    }
-    else if (errno != EAGAIN)
-    {
-        close_connection(to);
-    }
-}
-
 /* ssl代理回应 */
 static int respond_sslStatus(conn_t *in)
 {
@@ -404,12 +358,25 @@ static int respond_sslStatus(conn_t *in)
         可能客户端使用http请求伪装CONNECT代理
         这时候即使fd是非阻塞也只需要判断返回值是否小于0
         正常情况非阻塞也可以全部发送，懒得写代码了
-     */
+    */
-     if (memcmp(in->incomplete_data, "CON", 3) == 0)
+    char buffer[SSL_RSP];
-        return (write(in->fd, SSL_RSP_CONNECT, sizeof(SSL_RSP_CONNECT)-1) <= 0);
-    else if (*in->incomplete_data == 'G' && (strstr(in->incomplete_data, "websocket") || strstr(in->incomplete_data, "WebSocket")))
-        return (write(in->fd, SSL_RSP_WEBSOCKET, sizeof(SSL_RSP_WEBSOCKET)-1) <= 0);
     
+    if (memcmp(in->incomplete_data, "CON", 3) == 0)
+    {
+        memset(buffer, 0, SSL_RSP);
+        memcpy(buffer, SSL_RSP_CONNECT, sizeof(SSL_RSP_CONNECT)-1);
+        dataEncode(buffer, sizeof(SSL_RSP_CONNECT)-1);
+        return (write(in->fd, buffer, sizeof(SSL_RSP_CONNECT)-1) <= 0);
+    }
+    else if (*in->incomplete_data == 'G' && (strstr(in->incomplete_data, "websocket") || strstr(in->incomplete_data, "WebSocket")))
+    {
+        memset(buffer, 0, SSL_RSP);
+        memcpy(buffer, SSL_RSP_WEBSOCKET, sizeof(SSL_RSP_WEBSOCKET)-1);
+        return (write(in->fd, buffer, sizeof(SSL_RSP_WEBSOCKET)-1) <= 0);
+    }
+    
+    memset(buffer, 0, SSL_RSP);
+    memcpy(buffer, SSL_RSP_HTTP, sizeof(SSL_RSP_HTTP)-1);
     return (write(in->fd, SSL_RSP_HTTP, sizeof(SSL_RSP_HTTP)-1) <= 0);
 }
 
@@ -458,10 +425,13 @@ void tcp_in(conn_t *in)
         close_connection(in);
         return;
     }
-    dataEncode(host, strlen(host));
+
-    /* 第一次读取数据 */
+    //dataEncode(host, strlen(host));
+    // 第一次读取数据
     if (in->reread_data == 0)
     {
+        // 打印HTTP HEAD
+        //printf("%s", in->incomplete_data);
         in->reread_data = 1;
         if (parse_host(server, host) != 0)
         {
@@ -501,18 +471,68 @@ void tcp_in(conn_t *in)
     }
     in->incomplete_data = build_request(in->incomplete_data, &in->incomplete_data_len, host);
     free(host);
+    
     if (in->incomplete_data == NULL || copy_data(in) != 0)
     {
         close_connection(in);
         return;
     }
-    //数据处理完毕，可以发送
+    // 数据处理完毕，可以发送
     handle_data_complete:
-    //这个判断是防止 多次读取客户端数据，但是没有和服务端建立连接，导致报错
+    // 这个判断是防止 多次读取客户端数据，但是没有和服务端建立连接，导致报错
     if (server->fd >= 0)
         tcp_out(server);
 }
 
+void tcp_out(conn_t *to)
+{
+    conn_t *from;
+    int write_len;
+
+    if (to->fd == -1)
+        return;
+    else if ((to - cts) & 1)
+        from = to - 1;
+    else
+        from = to + 1;
+    from->timer = to->timer = 0;
+    write_len = write(to->fd, from->ready_data + from->sent_len, from->ready_data_len - from->sent_len);
+    if (write_len == from->ready_data_len - from->sent_len)
+    {
+        //服务端的数据可能没全部写入到客户端
+        if ((from - cts) & 1)
+        {
+            serverToClient(from);
+            if (from->fd >= 0 && from->ready_data_len == 0)
+            {
+                ev.events = EPOLLIN|EPOLLET;
+                ev.data.ptr = to;
+                epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
+            }
+        }
+        else
+        {
+            ev.events = EPOLLIN|EPOLLET;
+            ev.data.ptr = to;
+            epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
+            free(from->ready_data);
+            from->ready_data = NULL;
+            from->ready_data_len = 0;
+        }
+    }
+    else if (write_len > 0)
+    {
+        from->sent_len += write_len;
+        ev.events = EPOLLIN|EPOLLOUT|EPOLLET;
+        ev.data.ptr = to;
+        epoll_ctl(efd, EPOLL_CTL_MOD, to->fd, &ev);
+    }
+    else if (errno != EAGAIN)
+    {
+        close_connection(to);
+    }
+}
+
 void accept_client()
 {
     struct epoll_event epollEvent;

main.c

@@ -238,11 +238,13 @@ static void initializate(int argc, char **argv)
 int main(int argc, char **argv)
 {
     initializate(argc, argv);
+
     if (daemon(1, 1))
     {
         perror("daemon");
         return 1;
     }
+
     server_loop();
 
     return 0;

timeout.c

@@ -13,8 +13,10 @@ void *close_timeout_connectionLoop(void *nullPtr)
         for (i = 0; i < MAX_CONNECTION; i += 2)
             if (cts[i].fd > -1)
             {
-                if (cts[i].timer >= timeout_minute)
+                if (cts[i].timer >= timeout_minute) {
+                    printf("关闭连接\n");
                     close_connection(cts + i);
+                }
                 else
                     cts[i].timer++;
             }