#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>

//SRC_IP=192.168.0.202&DST_IP=192.168.0.201&VIDEO_PORT=8090&SERIAL_PORT=20001%2C20002&BAUD_RATE=115200&VIDEO_RATE=8000&AUDIO_PORT=1350


void url_decode(char *dest, const char *src) {
    size_t i = 0, j = 0;
    while (src[i] != '\0') {
        if (src[i] == '%' && src[i+1] != '\0' && src[i+2] != '\0') {
            // 解析 % 后的两位十六进制数（如 %3A → 0x3A → ':'）
            char hex[3] = {src[i+1], src[i+2], '\0'};
            dest[j++] = (char)strtol(hex, NULL, 16);  // 十六进制转字符
            i += 3;  // 跳过 %XX
        } else if (src[i] == '+') {
            dest[j++] = ' ';  // URL 中 '+' 对应空格
            i++;
        } else {
            dest[j++] = src[i++];  // 普通字符直接复制
        }
    }
    dest[j] = '\0';  // 字符串结束符
}

int main(void){
        int len;
        char *lenstr,poststr[20];
        char m[10],n[10];
	int fd_fs;


	char src_ip[50];
	char dst_ip[200];
	char dst_ip1[200];
	char dns_ip[200];
	char dns_ip1[200];
	char gateway[200];
	char gateway1[200];
	char video_port[200];
	char video_port1[200];
	char ip[80];
	char ip_pre[80];

	char rtsp1_1_pre[120];
	char rtsp1_1[120];
	char rtsp1_2_pre[120];
	char rtsp1_2[120];
	char rtsp1_3_pre[120];
	char rtsp1_3[120];
	char rtsp1_4_pre[120];
	char rtsp1_4[120];
	
	char rtsp2_pre[120];
	char rtsp2[120];
	char rtsp3_pre[120];
	char rtsp3[120];
	char rtsp4_pre[120];
	char rtsp4[120];
	char rtsp5_pre[120];
	char rtsp5[120];

	char serial_port_tx[50];
	char serial_port_rx[50];
	char baud_rate[50];
	char video_rate[50];
	char audio_port[50];
	char switch_port[50];
	char video_source[50];
	char cpe_5g[50];

	fd_fs = open("/root/ceshi.txt", O_RDWR | O_CREAT);


        printf("Content-Type:text/html\n\n");
        printf("\n");
        printf("\n\n\n");
        printf("\n");
        printf("\n");
        lenstr=getenv("QUERY_STRING");

	printf("%s\n",lenstr);

	if(lenstr){
		sscanf(lenstr,"%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]",ip_pre,rtsp1_1_pre,rtsp1_2_pre,rtsp1_3_pre,rtsp1_4_pre,rtsp2_pre,rtsp3_pre,rtsp4_pre,rtsp5_pre);
		//sscanf(lenstr,"%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]&%[^&]",src_ip,dst_ip,dns_ip,gateway,video_port,serial_port_tx,serial_port_rx,baud_rate,video_rate,audio_port);

		printf("sscan\n");
		printf("%s\n",ip_pre);
		printf("%s\n",rtsp1_1_pre);
		printf("%s\n",rtsp1_2_pre);
		printf("%s\n",rtsp1_3_pre);
		printf("%s\n",rtsp1_4_pre);
		printf("%s\n",rtsp2_pre);
		printf("%s\n",rtsp3_pre);
		printf("%s\n",rtsp4_pre);
		printf("%s\n",rtsp5_pre);
	}
#if 1
	url_decode(ip,ip_pre);
	url_decode(rtsp1_1,rtsp1_1_pre);
	url_decode(rtsp1_2,rtsp1_2_pre);
	url_decode(rtsp1_3,rtsp1_3_pre);
	url_decode(rtsp1_4,rtsp1_4_pre);
	url_decode(rtsp2,rtsp2_pre);
	url_decode(rtsp3,rtsp3_pre);
	url_decode(rtsp4,rtsp4_pre);
	url_decode(rtsp5,rtsp5_pre);
	if(fd_fs > 0){
	//write(fd_fs,src_ip,strlen(src_ip));
	//write(fd_fs," [\n",3);

	write(fd_fs,ip,strlen(ip));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp1_1,strlen(rtsp1_1));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp1_2,strlen(rtsp1_2));
        write(fd_fs," \n",2);
	write(fd_fs,rtsp1_3,strlen(rtsp1_3));
        write(fd_fs," \n",2);
	write(fd_fs,rtsp1_4,strlen(rtsp1_4));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp2,strlen(rtsp2));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp3,strlen(rtsp3));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp4,strlen(rtsp4));
	write(fd_fs," \n",2);
	write(fd_fs,rtsp5,strlen(rtsp5));
	write(fd_fs," \n",2);
	#if 0
	write(fd_fs,switch_port,strlen(switch_port));
	write(fd_fs," [\n",3);
	write(fd_fs,video_source,strlen(video_source));
	write(fd_fs," [\n",3);
	write(fd_fs,cpe_5g,strlen(cpe_5g));
        write(fd_fs," [\n",3);
	#endif

	system("cp /root/ceshi.txt /root/ConfigParameter.txt");
	system("sync");
	}
#endif
}