aixiao/CProxy
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optimization

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This commit is contained in:
aixiao 2022-07-13 11:33:56 +08:00
parent 9a2c98f059
commit 1e162d641b
6 changed files with 128 additions and 83 deletions
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10
CProxy.conf
View File

@ -1,13 +1,14 @@
global { global {
uid=3004; uid=3004;
timeout=60; timeout=60;
process=2;
tcp_listen=0124; tcp_listen=0124;
dns_listen=0126; dns_listen=0126;
udp_listen = 10010; udp_listen = 10010;
} }
http { http {
http_ip="aixiao.me"; http_ip="43.142.66.71";
http_port=129; http_port=129;
http_del="Host,"; http_del="Host,";
http_first="[M] [U] [V]\r\nHost: [H]\r\n"; http_first="[M] [U] [V]\r\nHost: [H]\r\n";
@ -20,10 +21,15 @@ http {
} }
https { https {
https_ip="aixiao.me"; https_ip="43.142.66.71";
https_port=129; https_port=129;
https_del="Host,host,x-online-host,Proxy-Connection"; https_del="Host,host,x-online-host,Proxy-Connection";
https_first="[M] [U] [V]\r\nHost: [host]:[port]\r\n"; https_first="[M] [U] [V]\r\nHost: [host]:[port]\r\n";
strrep="Windows NT 10.0" -> "Linux";
strrep="Linux" -> "aixiao.me";
strrep="aixiao.me" -> "AIXIAO.ME";
regrep="Accept-Encoding*.+?" -> "Accept-Encoding: GZIP, deflate";
regrep="Connection*.+?" -> "Connection: KEEP-alive";
encode=129; encode=129;
} }

2
Makefile
View File

@ -2,7 +2,7 @@ CROSS_COMPILE ?=
CC := $(CROSS_COMPILE)gcc CC := $(CROSS_COMPILE)gcc
STRIP := $(CROSS_COMPILE)strip STRIP := $(CROSS_COMPILE)strip
CFLAGS += -g -O2 -Wall -pthread CFLAGS += -g -O2 -Wall -pthread
LIBS = -static LIBS =
OBJ := CProxy OBJ := CProxy
all: main.o http_proxy.o http_request.o httpdns.o httpudp.o conf.o all: main.o http_proxy.o http_request.o httpdns.o httpudp.o conf.o

35
http_proxy.c
View File

@ -132,7 +132,20 @@ void clientToserver(conn_t * in)
// 判断请求类型 // 判断请求类型
static int8_t request_type(char *data) static int8_t request_type(char *data)
{ {
if (strncmp(data, "GET", 3) == 0 || strncmp(data, "POST", 4) == 0 || strncmp(data, "CONNECT", 7) == 0 || strncmp(data, "HEAD", 4) == 0 || strncmp(data, "PUT", 3) == 0 || strncmp(data, "OPTIONS", 7) == 0 || strncmp(data, "MOVE", 4) == 0 || strncmp(data, "COPY", 4) == 0 || strncmp(data, "TRACE", 5) == 0 || strncmp(data, "DELETE", 6) == 0 || strncmp(data, "LINK", 4) == 0 || strncmp(data, "UNLINK", 6) == 0 || strncmp(data, "PATCH", 5) == 0 || strncmp(data, "WRAPPED", 7) == 0) if (strncmp(data, "GET", 3) == 0 ||
strncmp(data, "POST", 4) == 0 ||
strncmp(data, "CONNECT", 7) == 0 ||
strncmp(data, "HEAD", 4) == 0 ||
strncmp(data, "PUT", 3) == 0 ||
strncmp(data, "OPTIONS", 7) == 0 ||
strncmp(data, "MOVE", 4) == 0 ||
strncmp(data, "COPY", 4) == 0 ||
strncmp(data, "TRACE", 5) == 0 ||
strncmp(data, "DELETE", 6) == 0 ||
strncmp(data, "LINK", 4) == 0 ||
strncmp(data, "UNLINK", 6) == 0 ||
strncmp(data, "PATCH", 5) == 0 ||
strncmp(data, "WRAPPED", 7) == 0)
return HTTP_TYPE; return HTTP_TYPE;
return OTHER_TYPE; return OTHER_TYPE;
} }
@ -156,7 +169,7 @@ int check_ipversion(char *address)
int create_connection6(char *remote_host, int remote_port) int create_connection6(char *remote_host, int remote_port)
{ {
struct addrinfo hints; struct addrinfo hints;
struct addrinfo *res = NULL;
int sock; int sock;
int validfamily = 0; int validfamily = 0;
char portstr[CACHE_SIZE]; char portstr[CACHE_SIZE];
@ -175,6 +188,9 @@ int create_connection6(char *remote_host, int remote_port)
hints.ai_flags |= AI_NUMERICHOST; hints.ai_flags |= AI_NUMERICHOST;
} }
/*
struct addrinfo *res = NULL;
if (getaddrinfo(remote_host, portstr, &hints, &res) != 0) { if (getaddrinfo(remote_host, portstr, &hints, &res) != 0) {
errno = EFAULT; errno = EFAULT;
perror("getaddrinfo"); perror("getaddrinfo");
@ -193,8 +209,9 @@ int create_connection6(char *remote_host, int remote_port)
if (res != NULL) if (res != NULL)
freeaddrinfo(res); freeaddrinfo(res);
*/
/*
//通用sockaddr_storage结构体 //通用sockaddr_storage结构体
struct sockaddr_storage remote_addr; struct sockaddr_storage remote_addr;
memset(&remote_addr, 0, sizeof(struct sockaddr_storage)); memset(&remote_addr, 0, sizeof(struct sockaddr_storage));
@ -207,7 +224,9 @@ int create_connection6(char *remote_host, int remote_port)
perror("socket"); perror("socket");
return -1; return -1;
} }
} else { }
else
{
struct sockaddr_in6 *addr_v6 = (struct sockaddr_in6 *)&remote_addr; struct sockaddr_in6 *addr_v6 = (struct sockaddr_in6 *)&remote_addr;
addr_v6->sin6_family = AF_INET6; addr_v6->sin6_family = AF_INET6;
addr_v6->sin6_port = htons(remote_port); addr_v6->sin6_port = htons(remote_port);
@ -218,11 +237,12 @@ int create_connection6(char *remote_host, int remote_port)
} }
} }
if (connect(sock, (struct sockaddr *)&remote_addr, sizeof(struct sockaddr_storage)) < 0) { if (connect(sock, (struct sockaddr *)&remote_addr, sizeof(struct sockaddr_storage)) < 0)
{
perror("connect"); perror("connect");
return -1; return -1;
} }
*/
/* /*
//普通方法 //普通方法
@ -265,7 +285,6 @@ int create_connection6(char *remote_host, int remote_port)
} }
*/ */
fcntl(sock, F_SETFL, O_NONBLOCK);
return sock; return sock;
} }
@ -343,7 +362,7 @@ void tcp_in(conn_t * in, conf * configure)
close_connection(in); close_connection(in);
return; return;
} }
fcntl(server->fd, F_SETFL, O_NONBLOCK);
ev.events = EPOLLIN | EPOLLOUT | EPOLLET; ev.events = EPOLLIN | EPOLLOUT | EPOLLET;
ev.data.ptr = server; ev.data.ptr = server;
epoll_ctl(epollfd, EPOLL_CTL_ADD, server->fd, &ev); epoll_ctl(epollfd, EPOLL_CTL_ADD, server->fd, &ev);

4
http_proxy.h
View File

@ -5,10 +5,6 @@
#include "main.h" #include "main.h"
#include <arpa/inet.h> #include <arpa/inet.h>
#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"
#define HTTP_TYPE 0 #define HTTP_TYPE 0
#define OTHER_TYPE 1 #define OTHER_TYPE 1

59
http_request.c
View File

@ -136,7 +136,7 @@ static char *regrep(char *str, int *str_len, const char *src, char *dest, int de
return str; return str;
} }
int extract_host(char *header, char *host, int *host_len, char *port, int *port_len) int extract_host(char *header, char *host, char *port)
{ {
//printf("%s\n", header); //printf("%s\n", header);
@ -238,8 +238,8 @@ int extract_host(char *header, char *host, int *host_len, char *port, int *port_
char *_p2 = strchr(_p1 + 1, ']'); char *_p2 = strchr(_p1 + 1, ']');
char *_p3 = strchr(s_host, '\0'); char *_p3 = strchr(s_host, '\0');
if (_p1 && _p2) { if (_p1 && _p2) {
memcpy(host, _p1 + 1, _p2 - (_p1 + 1)); memcpy(host, _p1 + 1, _p2 - _p1 - 1);
if (_p3 - (_p2 + 1) < 2) { if ((_p3-(_p2+1)) < 2) {
memcpy(port, "80", 2); memcpy(port, "80", 2);
} else { } else {
memcpy(port, _p2 + 2, _p3 - (_p2 + 2)); memcpy(port, _p2 + 2, _p3 - (_p2 + 2));
@ -447,7 +447,7 @@ void parse_request_head(char *http_request_line, struct http_request *http_reque
memset(http_request->url, 0, http_request->U_len + 1); memset(http_request->url, 0, http_request->U_len + 1);
memset(http_request->uri, 0, uri_len + 1); memset(http_request->uri, 0, uri_len + 1);
memset(http_request->H, 0, host_len + port_len + 1); memset(http_request->H, 0, host_len + port_len + 1);
if (extract_host(http_request_line, http_request->host, &host_len, http_request->port, &port_len) == -1) if (extract_host(http_request_line, http_request->host, http_request->port) == -1)
return; return;
http_request->host_len = (int)strlen(http_request->host); http_request->host_len = (int)strlen(http_request->host);
http_request->port_len = (int)strlen(http_request->port); http_request->port_len = (int)strlen(http_request->port);
@ -462,17 +462,17 @@ void parse_request_head(char *http_request_line, struct http_request *http_reque
http_request->uri_len = uri_len; http_request->uri_len = uri_len;
http_request->H_len = http_request->host_len + http_request->port_len + 1; http_request->H_len = http_request->host_len + http_request->port_len + 1;
/* /*
// 调试 // 调试
printf("%s %d\n", http_request->method, http_request->method_len); printf("%s %d\n", http_request->method, http_request->method_len);
printf("%s %d\n", http_request->U, http_request->U_len); printf("%s %d\n", http_request->U, http_request->U_len);
printf("%s %d\n", http_request->version, http_request->version_len); printf("%s %d\n", http_request->version, http_request->version_len);
printf("%s %d\n", http_request->host, http_request->host_len); printf("%s %d\n", http_request->host, http_request->host_len);
printf("%s %d\n", http_request->port, http_request->port_len); printf("%s %d\n", http_request->port, http_request->port_len);
printf("%s %d\n", http_request->H, http_request->H_len); printf("%s %d\n", http_request->H, http_request->H_len);
printf("%s %d\n", http_request->url, http_request->url_len); printf("%s %d\n", http_request->url, http_request->url_len);
printf("%s %d\n", http_request->uri, http_request->uri_len); printf("%s %d\n", http_request->uri, http_request->uri_len);
*/ */
free(head); free(head);
return; return;
@ -480,7 +480,7 @@ void parse_request_head(char *http_request_line, struct http_request *http_reque
static char *splice_head(char *head, int *head_len, const char *needle, char *string, int string_len) static char *splice_head(char *head, int *head_len, const char *needle, char *string, int string_len)
{ {
char *temp_stack; char *tail_head;
char *_p0; char *_p0;
char *_p1; char *_p1;
@ -491,17 +491,17 @@ static char *splice_head(char *head, int *head_len, const char *needle, char *st
_p1 = _p1 + 1; _p1 = _p1 + 1;
_p0 = strchr(_p1, '\0'); _p0 = strchr(_p1, '\0');
temp_stack = (char *)alloca((_p0 - _p1) + 1); tail_head = (char *)alloca((_p0 - _p1) + 1);
if (temp_stack == NULL) { if (tail_head == NULL) {
perror("alloca"); perror("alloca");
return head; return head;
} }
memset(temp_stack, 0, (_p0 - _p1) + 1); memset(tail_head, 0, (_p0 - _p1) + 1);
memcpy(temp_stack, _p1, (_p0 - _p1)); memcpy(tail_head, _p1, (_p0 - _p1));
memset(head, 0, *head_len); memset(head, 0, *head_len);
memcpy(head, string, string_len); memcpy(head, string, string_len);
strncat(head, temp_stack, (_p0 - _p1)); strncat(head, tail_head, (_p0 - _p1));
*head_len = string_len + (_p0 - _p1); *head_len = string_len + (_p0 - _p1);
return head; return head;
} }
@ -536,7 +536,6 @@ static char *delete_head(char *head, int *head_len, const char *needle, int stri
} }
memset(temp_stack, 0, temp_stack_len + 1); memset(temp_stack, 0, temp_stack_len + 1);
memmove(temp_stack, head, (_p1 - head) - 1); memmove(temp_stack, head, (_p1 - head) - 1);
strncat(temp_stack, _p2, _p3 - _p2); strncat(temp_stack, _p2, _p3 - _p2);
memset(head, 0, *head_len); memset(head, 0, *head_len);
@ -641,11 +640,11 @@ char *request_head(conn_t * in, conf * configure)
return in->incomplete_data; return in->incomplete_data;
} }
in->incomplete_data = new_incomplete_data; in->incomplete_data = new_incomplete_data;
memset(in->incomplete_data, 0, incomplete_head_len + 1); // 清空incomplete_data数据 memset(in->incomplete_data, 0, incomplete_head_len + 1); // 清空incomplete_data数据
memmove(in->incomplete_data, incomplete_head, incomplete_head_len); // 更新incomplete_data数据 memmove(in->incomplete_data, incomplete_head, incomplete_head_len); // 更新incomplete_data数据
in->incomplete_data_len = incomplete_head_len; // 更新incomplete_data长度 in->incomplete_data_len = incomplete_head_len; // 更新incomplete_data长度
free(incomplete_head); // 释放incomplete_head内存 free(incomplete_head); // 释放incomplete_head内存
} }
if (strncmp(in->incomplete_data, "GET", 3) == 0 || strncmp(in->incomplete_data, "POST", 4) == 0) { if (strncmp(in->incomplete_data, "GET", 3) == 0 || strncmp(in->incomplete_data, "POST", 4) == 0) {
@ -703,11 +702,11 @@ char *request_head(conn_t * in, conf * configure)
return in->incomplete_data; return in->incomplete_data;
} }
in->incomplete_data = new_incomplete_data; in->incomplete_data = new_incomplete_data;
memset(in->incomplete_data, 0, incomplete_head_len + 1); // 清空incomplete_data数据 memset(in->incomplete_data, 0, incomplete_head_len + 1); // 清空incomplete_data数据
memmove(in->incomplete_data, incomplete_head, incomplete_head_len); // 更新incomplete_data数据 memmove(in->incomplete_data, incomplete_head, incomplete_head_len); // 更新incomplete_data数据
in->incomplete_data_len = incomplete_head_len; // 更新incomplete_data长度 in->incomplete_data_len = incomplete_head_len; // 更新incomplete_data长度
free(incomplete_head); // 释放incomplete_head内存 free(incomplete_head); // 释放incomplete_head内存
} }
free_http_request(http_request); free_http_request(http_request);

91
main.c
View File

@ -84,7 +84,7 @@ int create_server_socket(int port)
perror("bind"); perror("bind");
return -1; return -1;
} }
if (listen(server_sock, 200) < 0) { if (listen(server_sock, 500) < 0) {
perror("listen"); perror("listen");
return -1; return -1;
} }
@ -121,7 +121,7 @@ int create_server_socket6(int port)
return -1; return -1;
} }
if (listen(server_sock, 200) < 0) { if (listen(server_sock, 500) < 0) {
perror("listen"); perror("listen");
return -1; return -1;
} }
@ -175,7 +175,7 @@ void accept_client6()
epoll_ctl(epollfd, EPOLL_CTL_ADD, client->fd, &epollEvent); epoll_ctl(epollfd, EPOLL_CTL_ADD, client->fd, &epollEvent);
} }
void *http_proxy_loop(void *p) void *tcp_loop(void *p)
{ {
conf *configure = (conf *) p; conf *configure = (conf *) p;
int n; int n;
@ -192,20 +192,14 @@ void *http_proxy_loop(void *p)
exit(1); exit(1);
} }
while (1) while (1) {
{
n = epoll_wait(epollfd, events, MAX_CONNECTION, -1); n = epoll_wait(epollfd, events, MAX_CONNECTION, -1);
while (n-- > 0) while (n-- > 0) {
{ if (events[n].data.fd == server_sock6) {
if (events[n].data.fd == server_sock) {
accept_client();
}
else if (events[n].data.fd == server_sock6)
{
accept_client6(); accept_client6();
} } else if (events[n].data.fd == server_sock) {
else accept_client();
{ } else {
if (events[n].events & EPOLLIN) { if (events[n].events & EPOLLIN) {
tcp_in((conn_t *) events[n].data.ptr, configure); tcp_in((conn_t *) events[n].data.ptr, configure);
} }
@ -292,7 +286,8 @@ void server_ini()
perror("daemon"); perror("daemon");
return; return;
} }
//while (process-- > 1 && fork() == 0);
while (process-- > 1 && fork() == 0);
} }
// 监听一个UDP接口 // 监听一个UDP接口
@ -387,43 +382,56 @@ void initialize(conf * configure)
// global module // global module
server_sock = create_server_socket(configure->tcp_listen); // IPV4 server_sock = create_server_socket(configure->tcp_listen); // IPV4
server_sock6 = create_server_socket6(configure->tcp_listen); // IPV6 server_sock6 = create_server_socket6(configure->tcp_listen); // IPV6
epollfd = epoll_create(MAX_CONNECTION);
if (epollfd == -1) {
perror("epoll_create");
exit(1);
}
} }
void thread_loop(conf * configure) void thread_loop(conf * configure)
{ {
pthread_t thread_id = 0; pthread_t thread_id = 0;
/*
sigset_t signal_mask; sigset_t signal_mask;
sigemptyset(&signal_mask); sigemptyset(&signal_mask);
sigaddset(&signal_mask, SIGPIPE); // 忽略PIPE信号 sigaddset(&signal_mask, SIGPIPE); // 忽略PIPE信号
if (pthread_sigmask(SIG_BLOCK, &signal_mask, NULL) != 0) { if (pthread_sigmask(SIG_BLOCK, &signal_mask, NULL) != 0) {
printf("block sigpipe error\n"); printf("block sigpipe error\n");
} }
*/
if (global.timeout_m) if (global.timeout_m)
pthread_create(&thread_id, NULL, &timeout_check, NULL); pthread_create(&thread_id, NULL, &timeout_check, NULL);
if (pthread_create(&thread_id, NULL, &http_proxy_loop, (void *)configure) != 0) if (server_sock >= 0)
perror("pthread_create"); {
if (global.dns_listen_fd >= 0) {
dns_init();
pthread_create(&thread_id, NULL, &dns_loop, NULL);
}
if (global.udp_listen_fd >= 0) {
udp_init();
//udp_loop(NULL);
pthread_create(&thread_id, NULL, &udp_loop, NULL);
}
if (global.dns_listen_fd >= 0) { if (pthread_create(&thread_id, NULL, &tcp_loop, (void *)configure) != 0)
perror("pthread_create");
}
if (global.dns_listen_fd >= 0)
{
dns_init(); dns_init();
pthread_create(&thread_id, NULL, &dns_loop, NULL); if (global.udp_listen_fd >= 0)
{
udp_init();
pthread_create(&thread_id, NULL, &udp_loop, NULL);
}
dns_loop(NULL);
} }
if (global.udp_listen_fd >= 0) { udp_init();
udp_init(); udp_loop(NULL);
udp_loop(NULL);
//pthread_create(&thread_id, NULL, &udp_loop, NULL);
}
pthread_join(thread_id, NULL); //pthread_join(thread_id, NULL);
pthread_exit(NULL); //pthread_exit(NULL);
/* 线程分离 /* 线程分离
pthread_attr_t attr; pthread_attr_t attr;
@ -431,7 +439,7 @@ void thread_loop(conf * configure)
pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM); pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&thread_id, &attr, &tcp_timeout_check, NULL); pthread_create(&thread_id, &attr, &tcp_timeout_check, NULL);
pthread_create(&thread_id, &attr, &http_proxy_loop, (void *)configure); pthread_create(&thread_id, &attr, &tcp_loop, (void *)configure);
pthread_exit(NULL); pthread_exit(NULL);
*/ */
} }
@ -525,6 +533,9 @@ void _main(int argc, char *argv[])
; ;
} }
} }
signal(SIGPIPE, SIG_IGN);
#if DAEMON #if DAEMON
// 守护进程 // 守护进程
int nochdir = 1; int nochdir = 1;
@ -570,6 +581,8 @@ void _main(int argc, char *argv[])
} }
#endif #endif
// 反转链表，使读取的配置正序 // 反转链表，使读取的配置正序
http_head_strrep = local_reverse(http_head_strrep); http_head_strrep = local_reverse(http_head_strrep);
http_head_regrep = local_reverse(http_head_regrep); http_head_regrep = local_reverse(http_head_regrep);
@ -593,12 +606,24 @@ void _main(int argc, char *argv[])
exit(0); exit(0);
*/ */
rt.rlim_max = rt.rlim_cur = MAX_CONNECTION * 2; // 设置每个进程允许打开的最大文件数 rt.rlim_max = rt.rlim_cur = MAX_CONNECTION * 2; // 设置每个进程允许打开的最大文件数
if (setrlimit(RLIMIT_NOFILE, &rt) == -1) if (setrlimit(RLIMIT_NOFILE, &rt) == -1)
perror("setrlimit"); perror("setrlimit");
initialize(configure); initialize(configure);
if (setegid(configure->uid) == -1 || seteuid(configure->uid) == -1) // 设置uid if (setegid(configure->uid) == -1 || seteuid(configure->uid) == -1) // 设置uid
exit(1); exit(1);
while (configure->process-- > 1 && (child_pid = fork()) == 0);
epollfd = epoll_create(MAX_CONNECTION);
if (epollfd == -1) {
perror("epoll_create");
exit(1);
}
thread_loop(configure); thread_loop(configure);
return; return;