56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#ifndef _HTTPDNS_
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#define _HTTPDNS_
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#include <stdio.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <fcntl.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <sys/epoll.h>
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#include <stdlib.h>
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#include <netdb.h>
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#include <pthread.h>
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#include <signal.h>
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#include <errno.h>
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#define DEFAULT_UPPER_IP "114.114.114.114"
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#define MAX_FD 1024
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#define DNS_REQUEST_SIZE 512
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#define BUFF_SIZE 1024
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typedef struct dns_request {
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char dns_req[DNS_REQUEST_SIZE + 1];
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char *http_rsp;
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unsigned int http_rsp_len, sent_len, dns_req_len;
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int fd;
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} dns_t;
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struct dns_hosts {
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char *host;
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char *ip;
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struct dns_hosts *next;
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};
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#define VERSION "0.3"
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#define ERROR_MSG "HTTP/1.0 404 Not Found\r\nConnection: close\r\nVia: Mmmdbybyd(HTTP-DNS Server "VERSION")\r\nContent-type: charset=utf-8\r\n\r\n<html><head><title>HTTP DNS Server</title></head><body>查询域名失败<br/><br/>By: 萌萌萌得不要不要哒<br/>E-mail: 915445800@qq.com</body></html>"
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#define SUCCESS_HEADER "HTTP/1.0 200 OK\r\nConnection: close\r\nVia: Mmmdbybyd(HTTP-DNS Server "VERSION")\r\n\r\n"
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dns_t dns_list[MAX_FD - 2]; //监听客户端FD DNS服务端fd
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struct epoll_event evs[MAX_FD - 1], ev;
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int listenFd, dstFd, eFd;
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socklen_t addr_len;
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void recv_dns_rsp();
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void query_dns();
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void read_client(dns_t * in);
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void response_client(dns_t * out);
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void httpdns_accept_client();
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int httpdns_initialize();
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void *httpdns_start_server();
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#endif
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