Optimize daemon().

CProxy.conf

@@ -1,15 +1,14 @@
 global {
     uid=3004;
     timeout=60;
-    encode=129;
     tcp_listen=0124;
     dns_listen=0126;
     udp_listen = 10010;
 }
 
 http {
-    http_ip="172.22.86.139";
+    http_ip="git.aixiao.me";
-    http_port=129;
+    http_port=128;
     http_del="Host,";
     http_first="[M] [U] [V]\r\nHost: [H]\r\n";
     strrep="Windows NT 10.0" -> "Linux";
@@ -17,15 +16,15 @@ http {
     strrep="aixiao.me" -> "AIXIAO.ME";
     regrep="Accept-Encoding*.+?" -> "Accept-Encoding: GZIP, deflate";
     regrep="Connection*.+?" -> "Connection: KEEP-alive";
-    encode=129;
+    encode=128;
 }
 
 https {
-    https_ip="172.22.86.139";
+    https_ip="git.aixiao.me";
-    https_port=129;
+    https_port=128;
     https_del="Host,host,x-online-host";
     https_first="[M] [U] [V]\r\nHost: [host]:[port]\r\n";
-    encode=129;
+    encode=128;
 }
 
 httpdns {

CProxy.conf.explain

@@ -1,88 +1,90 @@
+
+//global模块
 global {
+    //进程UID
     uid=3004;
-    timeout=7;
+    
-    encode=128;
+    //超时时间(秒)
+    timeout=60;
+    
+    //TCP, DNS, UDP监听地址
     tcp_listen=0124;
     dns_listen=0126;
     udp_listen = 10010;
 }
 
+//http模块
 http {
-    http_ip="2001:19f0:4401:2f:5400:3ff:fec4:e376";
+    //http模块关键字: [M], [method], [uri], [U], [V], [version], [H], [host], [port], \r, \n, \v, \f, \b, \t, \a. 如果原本请求头含有关键字也会被替换.
+    //[M]、[method] 原请求方法
+    //[U] 原请求url
+    //[uri] 原请求uri(http 模块)
+    //[V]、[version] 原请求协议版本
+    //[host] 原请求host
+    //[port] 原请求端口
+    //[H] 原请求[host]:[port]
+    
+    
+    //指定HTTP服务器IP
+    http_ip="aixiao.me";
+    
+    //指定HTTP服务器端口
     http_port=129;
+    
+    //删除HTTP头字段,逗号分开
     http_del="Host,";
+    
+    //自定义HTTP请求头
     http_first="[M] [U] [V]\r\nHost: [H]\r\n";
+    
+    //字符串替换, 以"->"为分界符,"Windows NT 10.0"字符串替换为"Linux"字符串.(可以有多个)
     strrep="Windows NT 10.0" -> "Linux";
     strrep="Linux" -> "aixiao.me";
     strrep="aixiao.me" -> "AIXIAO.ME";
+    
+    //正则表达式替换, 以"->"为分界符,匹配到的内容"Accept-Encoding*.+?"替换为"Accept-Encoding: GZIP, deflate"字符串.(可以有多个)
     regrep="Accept-Encoding*.+?" -> "Accept-Encoding: GZIP, deflate";
     regrep="Connection*.+?" -> "Connection: KEEP-alive";
+    
+    // 编码, 代码128-255要与服务端一致，默认为0不编码
+    encode=129;
 }
 
+//https模块
 https {
-    https_ip="2001:19f0:4401:2f:5400:3ff:fec4:e376";
+    
+    https_ip="aixiao.me";
     https_port=129;
     https_del="Host,host,x-online-host";
-    https_first="[M] [U] [V]\r\nHost: [host]\r\n";
+    https_first="[M] [U] [V]\r\nHost: [host]:[port]\r\n";
-    strrep="Windows NT 10.0" -> "Linux";
+    encode=129;
-    strrep="Linux" -> "aixiao.me";
-    strrep="aixiao.me" -> "AIXIAO.ME";
-    regrep="Host*.+?" -> "host: [host]:443";
-    regrep="host*.+?" -> "Host: [H]";
-    regrep="host*.+?" -> "Host: [host]";
 }
 
+//httpdns模块
 httpdns {
+    //httpdns 模块关键字: [M], [D], [V], \r, \n, \v, \f, \b, \t, \a.
+    //默认 [M] 为 GET
+    //默认 [V] 为 HTTP/1.0
+    
+    
+    //HTTPDNS服务器IP
     addr = 119.29.29.29:80;
+    
+    //自定义HTTPDNS请求头
     http_req = "[M] [U] [V]\r\nHost: [H]\r\n\r\n";
 }
 
+//httpudp模块
 httpudp {
+    //httpudp 模块关键字: [M], [U], [V], [H].
+    //默认 [M] 为 CONNECT
+    //默认 [V] 为 HTTP/1.1
+
+
+    //HTTPUDP服务器IP
     addr = 47.240.75.93:10010;
+    
+    //自定义HTTPUDP请求头
     http_req = "[M] [U] [V]\r\nHost: [H]\r\n";
 }
 
-
-global模块
-uid=3004;           //进程UID
-process=2;          //进程数量(已经弃用)
-timeout=60;         //超时时间(秒)
-sslencoding=128;    //编码(非零生效)
-tcp_listen=0124;    //TCP监听端口
-tcp6_listen=0124;   //TCP6监听端口 (TCP和TCP6可以使用同一个端口, IPV4的数据走内部IPV4程序结构, IPV6数据走内部IPV6程序结构.)(已经弃用)
-dns_listen=0125;    //UDP监听端口
-
-
-http、https模块
-http、https 模块关键字: [M], [method], [uri], [U], [V], [version], [H], [host], [port], \r, \n, \v, \f, \b, \t, \a. 如果原本请求头含有关键字也会被替换.
-[M]、[method] 原请求方法
-[U] 原请求url
-[uri] 原请求uri(http 模块)
-[V]、[version] 原请求协议版本
-[host] 原请求host
-[port] 原请求端口
-[H] 原请求[host]:[port]
-
-http_ip=47.240.75.93;                               //指定HTTP服务器IP
-http_port=127;                                      //指定HTTP服务器端口
-http_del="x-online-host,X-Online-Host,host,Host";   //删除HTTP头字段,逗号分开
-http_first="[M] [U] [V]\r\nHost: [H]\r\n";          //自定义HTTP请求头
-关键字strrep替换字符串指令.
-strrep = "Mi MIX 2->Linux";                         //以"->"为分界符,"Mi MIX 2"字符串替换为"Linux"字符串.
-关键字regrep正则匹配替换字符串.
-regrep = "Host*.+?->Host: iread.wo.cn:443";         //以"->"为分界符,匹配到的内容"Host*.+?"替换为"Host: iread.wo.cn:443"字符串.
-
-httpdns模块
-httpdns 模块关键字: [M], [D], [V], \r, \n, \v, \f, \b, \t, \a.
-默认 [M] 为 GET
-默认 [V] 为 HTTP/1.0
-addr=119.29.29.29:80;                               //HTTPDNS服务器IP
-http_req = "[M] [U] [V]\r\nHost: [H]\r\n\r\n";      //自定义HTTPDNS请求头
-
-httpudp模块
-httpudp 模块关键字: [M], [U], [V], [H].
-默认 [M] 为 CONNECT
-默认 [V] 为 HTTP/1.1
-addr=47.240.75.93:10010;                            //HTTPUDP服务器IP
-http_req = "[M] [U] [V]\r\nHost: [H]\r\n\r\n";      //自定义HTTPUDP请求头
-

Makefile

@@ -5,7 +5,7 @@ CFLAGS += -g -O2 -Wall -pthread
 LIBS = 
 OBJ := CProxy
 
-all: main.o http_proxy.o http_request.o httpdns.o httpudp.o conf.o help.o
+all: main.o http_proxy.o http_request.o httpdns.o httpudp.o conf.o
 	$(CC) $(CFLAGS) -o $(OBJ) $^ $(LIBS)
 .c.o:
 	$(CC) $(CFLAGS) -c $<

conf.c

@@ -113,7 +113,7 @@ static char *read_module(char *buff, const char *module_name)
     return strndup(p, p0 - p);
 }
 
-static void parse_global_module(char *content, conf * p)
+static void parse_global_module(char *content, conf *p)
 {
     char *var, *val_begin, *val_end, *lineEnd;
 
@@ -155,7 +155,7 @@ static void parse_global_module(char *content, conf * p)
     }
 }
 
-static void parse_http_module(char *content, conf * p)
+static void parse_http_module(char *content, conf *p)
 {
     char *var, *val_begin, *val_end, *lineEnd;
     tcp *http_node = NULL;
@@ -264,7 +264,7 @@ static void parse_http_module(char *content, conf * p)
     }
 }
 
-static void parse_https_module(char *content, conf * p)
+static void parse_https_module(char *content, conf *p)
 {
     char *var, *val_begin, *val_end, *lineEnd;
     tcp *https_node = NULL;
@@ -380,7 +380,7 @@ static void parse_https_module(char *content, conf * p)
 }
 
 // 打印tcp链表
-void print_tcp(tcp * p)
+void print_tcp(tcp *p)
 {
     tcp *temp = p;
     while (temp) {
@@ -451,21 +451,21 @@ void free_tcp(tcp **conf_head)
     }
 }
 
-static void parse_httpdns_module(char *content, conf * p)
+static void parse_httpdns_module(char *content, conf *p)
 {
     char *var, *val_begin, *val_end, *lineEnd;
 
     while ((lineEnd = set_var_val_lineEnd(content, &var, &val_begin, &val_end)) != NULL) {
         if (strcasecmp(var, "addr") == 0)
         {
-            p->addr_len = val_end - val_begin;
+            p->httpdns_addr_len = val_end - val_begin;
-            if (copy_new_mem(val_begin, p->addr_len, &p->addr) != 0)
+            if (copy_new_mem(val_begin, p->httpdns_addr_len, &p->httpdns_addr) != 0)
                 return ;
         }
         else if (strcasecmp(var, "http_req") == 0)
         {
-            p->http_req_len = val_end - val_begin;
+            p->httpdns_http_req_len = val_end - val_begin;
-            if (copy_new_mem(val_begin, p->http_req_len, &p->http_req) != 0)
+            if (copy_new_mem(val_begin, p->httpdns_http_req_len, &p->httpdns_http_req) != 0)
                 return ;
         }
         else if (strcasecmp(var, "encode") == 0)
@@ -477,7 +477,7 @@ static void parse_httpdns_module(char *content, conf * p)
     }
 }
 
-static void parse_httpudp_module(char *content, conf * p)
+static void parse_httpudp_module(char *content, conf *p)
 {
     char *var, *val_begin, *val_end, *lineEnd;
 
@@ -503,7 +503,7 @@ static void parse_httpudp_module(char *content, conf * p)
     }
 }
 
-void free_conf(conf * p)
+void free_conf(conf *p)
 {
     // http module
     if (p->http_ip)
@@ -522,25 +522,21 @@ void free_conf(conf * p)
         free(p->https_first);
 
     // httpdns module
-    if (p->addr)
+    if (p->httpdns_addr)
-        free(p->addr);
+        free(p->httpdns_addr);
-    if (p->http_req) {
+    if (p->httpdns_http_req)
-        p->http_req_len = 0;
+        free(p->httpdns_http_req);
-        free(p->http_req);
-    }
     
     // httpudp module
     if(p->httpudp_addr)
         free(p->httpudp_addr);
-    if (p->httpudp_http_req) {
+    if (p->httpudp_http_req)
-        p->httpudp_http_req_len = 0;
         free(p->httpudp_http_req);
-    }
     
     return;
 }
 
-void read_conf(char *filename, conf * configure)
+void read_conf(char *filename, conf *configure)
 {
     char *buff, *global_content, *http_content, *https_content, *httpdns_content, *httpudp_content;
     FILE *file;

conf.h

@@ -33,10 +33,10 @@ typedef struct CONF {
     int https_encode;
 
     // httpdns module
-    char *addr;
+    char *httpdns_addr;
-    char *http_req;
+    char *httpdns_http_req;
-    int addr_len;
+    int httpdns_addr_len;
-    int http_req_len;
+    int httpdns_http_req_len;
     int encode;
     
     // httpudp module

help.c

@@ -1,36 +0,0 @@
-#include "help.h"
-
-char help_information(void)
-{
-    static const char name[] = "C";
-    static const char subject[] = "Proxy Server";
-    static const struct {
-        const char *email;
-    } author = {
-        "AIXIAO@AIXIAO.ME",
-    };
-
-    static const char usage[] = "Usage: [-?h] [-s signal] [-c filename]";
-    static const char *s_help[] = {
-        "",
-        "Options:",
-        "    -s --signal            : send signal to a master process: stop, quit, restart, reload, status",
-        "    -c --config            : set configuration file, default: CProxy.conf",
-        "    -? -h --? --help       : help information",
-        "",
-        0
-    };
-
-    fprintf(stderr, "%s %s\n", name, subject);
-    fprintf(stderr, "Author: %s\n", author.email);
-    fprintf(stderr, "%s\n", usage);
-
-    int l;
-    for (l = 0; s_help[l]; l++) {
-        fprintf(stderr, "%s\n", s_help[l]);
-    }
-
-    BUILD("Compile、link.\n");
-
-    return 0;
-}

help.h

@@ -1,9 +0,0 @@
-#ifndef HELP_H
-#define HELP_H
-
-#include <stdio.h>
-#define BUILD(fmt...)  do { fprintf(stderr,"%s %s ",__DATE__,__TIME__); fprintf(stderr, ##fmt); } while(0)
-
-char help_information(void);
-
-#endif

http_request.c

@@ -639,7 +639,7 @@ char *request_head(conn_t * in, conf * configure)
         incomplete_head = replace(incomplete_head, &incomplete_head_len, "[port]", 6, http_request->port, http_request->port_len);
         incomplete_head = replace(incomplete_head, &incomplete_head_len, "[H]", 3, http_request->H, http_request->H_len);
 
-        //printf("%s", incomplete_head);                      // 打印HTTPS HEADER
+        printf("%s", incomplete_head);                      // 打印HTTPS HEADER
 
         char *new_incomplete_data;
         new_incomplete_data = (char *)realloc(in->incomplete_data, incomplete_head_len + 1);
@@ -702,7 +702,7 @@ char *request_head(conn_t * in, conf * configure)
         incomplete_head = replace(incomplete_head, &incomplete_head_len, "[port]", 6, http_request->port, http_request->port_len);
         incomplete_head = replace(incomplete_head, &incomplete_head_len, "[H]", 3, http_request->H, http_request->H_len);
 
-        //printf("%s", incomplete_head);                          // 打印HTTP HEADER
+        printf("%s", incomplete_head);                          // 打印HTTP HEADER
 
         char *new_incomplete_data;
         new_incomplete_data = (char *)realloc(in->incomplete_data, incomplete_head_len + 1);

main.c

@@ -4,7 +4,6 @@
 #include "httpdns.h"
 #include "httpudp.h"
 #include "conf.h"
-#include "help.h"
 
 #define SERVER_TYPE_STOP 1
 #define SERVER_TYPE_RELOAD 2
@@ -29,6 +28,41 @@ int epollfd, server_sock, server_sock6, local_port, process;
 conn_t cts[MAX_CONNECTION];
 char local_host[CACHE_SIZE];
 
+static char help_information(void)
+{
+    static const char name[] = "C";
+    static const char subject[] = "Proxy Server";
+    static const struct {
+        const char *email;
+    } author = {
+        "AIXIAO@AIXIAO.ME",
+    };
+
+    static const char usage[] = "Usage: [-?h] [-s signal] [-c filename]";
+    static const char *s_help[] = {
+        "",
+        "Options:",
+        "    -s --signal            : send signal to a master process: stop, quit, restart, reload, status",
+        "    -c --config            : set configuration file, default: CProxy.conf",
+        "    -? -h --? --help       : help information",
+        "",
+        0
+    };
+
+    fprintf(stderr, "%s %s\n", name, subject);
+    fprintf(stderr, "Author: %s\n", author.email);
+    fprintf(stderr, "%s\n", usage);
+
+    int l;
+    for (l = 0; s_help[l]; l++) {
+        fprintf(stderr, "%s\n", s_help[l]);
+    }
+
+    BUILD("Compile、link.\n");
+
+    return 0;
+}
+
 int create_server_socket(int port)
 {
     int server_sock;
@@ -143,7 +177,7 @@ void accept_client6()
 
 void *http_proxy_loop(void *p)
 {
-    conf *configure = (conf *) p;
+    conf *configure = (conf *)p;
     int n;
 
     ev.events = EPOLLIN;
@@ -184,8 +218,6 @@ int process_signal(int signal, char *process_name)
     char bufer[CACHE_SIZE];
     char comm[CACHE_SIZE];
     char proc_comm_name[CACHE_SIZE];
-    //int number[CACHE_SIZE] = { 0 };
-    //int n = 0;
     FILE *fp;
     DIR *dir;
     struct dirent *ptr;
@@ -296,7 +328,7 @@ void *timeout_check(void *nullPtr)
     return NULL;
 }
 
-void initialize(conf * configure)
+void initialize(conf *configure)
 {
     int i;
     char *p;
@@ -324,15 +356,15 @@ void initialize(conf * configure)
 
     // httpdns module
     global.dns_listen_fd = udp_listen((char *)"127.0.0.1", configure->dns_listen);
-    if ((p = strchr(configure->addr, ':')) != NULL) {
+    if ((p = strchr(configure->httpdns_addr, ':')) != NULL) {
         *p = '\0';
         httpdns.dst.sin_port = htons(atoi(p + 1));
     } else {
         httpdns.dst.sin_port = htons(80);
     }
-    httpdns.dst.sin_addr.s_addr = inet_addr(configure->addr);
+    httpdns.dst.sin_addr.s_addr = inet_addr(configure->httpdns_addr);
-    httpdns.http_req_len = configure->http_req_len;
+    httpdns.http_req_len = configure->httpdns_http_req_len;
-    copy_new_mem(configure->http_req, httpdns.http_req_len, &httpdns.http_req);
+    copy_new_mem(configure->httpdns_http_req, httpdns.http_req_len, &httpdns.http_req);
 
     // httpudp module
     global.udp_listen_fd = udp_listen((char *)"0.0.0.0", configure->udp_listen);
@@ -357,7 +389,7 @@ void initialize(conf * configure)
 
 }
 
-void thread_loop(conf * configure)
+void thread_loop(conf *configure)
 {
     pthread_t thread_id = 0;
     sigset_t signal_mask;
@@ -400,6 +432,8 @@ void thread_loop(conf * configure)
 
 void _main(int argc, char *argv[])
 {
+    char *p = NULL;
+    int longindex = 0;
     int opt;
     char path[CACHE_SIZE] = { 0 };
     char executable_filename[CACHE_SIZE] = { 0 };
@@ -411,18 +445,9 @@ void _main(int argc, char *argv[])
     memset(configure, 0, sizeof(struct CONF));
     read_conf(inifile, configure);
     
-
     sslEncodeCode = 0;          // 默认SSL不转码
-    if (configure->sslencoding > 0) // 如果配置文件有sslencoding值,优先使用配置文件读取的值
-        sslEncodeCode = configure->sslencoding;
-    timeout_minute = 0;         // 默认不超时
-    if (configure->timeout > 0) // 如果配置文件有值,优先使用配置文件读取的值
-        timeout_minute = configure->timeout;
-    process = 2;                // 默认开启2个进程
-    if (configure->process > 0) // 如果配置文件有值,优先使用配置文件读取的值
-        process = configure->process;
 
-    int longindex = 0;
+    
     char optstring[] = ":l:f:t:p:c:e:s:h?";
     static struct option longopts[] = {
         { "local_address", required_argument, 0, 'l' },
@@ -436,7 +461,6 @@ void _main(int argc, char *argv[])
         { "?", no_argument, 0, '?' },
         { 0, 0, 0, 0 }
     };
-    char *p = NULL;
     while (-1 != (opt = getopt_long(argc, argv, optstring, longopts, &longindex))) {
         switch (opt) {
         case 'l':
@@ -496,8 +520,50 @@ void _main(int argc, char *argv[])
             ;
         }
     }
+#if DAEMON
+    // 守护进程
+    int nochdir = 0;
+    int noclose = 0;
+    int pid;
+    if ((pid = fork()) < 0) {
+        return ;
+    } else if (0 != pid) {
+        free_tcp(&http_head_strrep);
+        free_tcp(&http_head_regrep);
+        free_tcp(&https_head_strrep);
+        free_tcp(&https_head_regrep);
+        free_conf(configure);
+        free(configure);
+        exit(0);
+    }
 
-    server_ini();               // 守护进程
+    if (setsid() < 0) {
+        return ;
+    }
+
+    signal(SIGHUP, SIG_IGN);
+    if ((pid = fork()) < 0) {
+        return ;
+    } else if (0 != pid) {
+        free_tcp(&http_head_strrep);
+        free_tcp(&http_head_regrep);
+        free_tcp(&https_head_strrep);
+        free_tcp(&https_head_regrep);
+        free_conf(configure);
+        free(configure);
+        exit(0);
+    }
+
+    if (0 == nochdir) {
+        chdir("/");
+    }
+
+    if (0 == noclose) {
+        freopen("/dev/null", "r", stdin);
+        freopen("/dev/null", "w", stdout);
+        freopen("/dev/null", "w", stderr);
+    }
+#endif
 
     // 反转链表，使读取的配置正序
     http_head_strrep = local_reverse(http_head_strrep);

main.h

@@ -26,8 +26,10 @@
 #define MAX_CONNECTION 1020
 #define BUFFER_SIZE 8192
 #define CACHE_SIZE 270
+#define BUILD(fmt...)  do { fprintf(stderr,"%s %s ",__DATE__,__TIME__); fprintf(stderr, ##fmt); } while(0)
 #define ERRDEBUG fprintf(stderr,"Error Occured at File: %s, Function: %s, Line: %d, Date: %s, Time: %s.\n", __FILE__, __FUNCTION__, __LINE__, __DATE__, __TIME__);
 
+#define DAEMON 1
 
 struct global {
     int tcp_listen_fd, dns_listen_fd, udp_listen_fd, uid, procs, timeout_m;