📄 ntpdate.c
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/****************************************************************************by grandchips #gcc NtpDate.c -o NtpDate.cgi****************************************************************************/#include<sys/types.h>#include<stdio.h>#include <string.h>#include <unistd.h>#include <sys/stat.h>#include <fcntl.h>#include <time.h>main(){time_t timep;struct tm *p;time(&timep);p=localtime(&timep);//printf("%d\t%d\t%d",1900+p->tm_year,1+p->tm_mon,p->tm_mday);printf("Contenttype:text/html\n\n");printf("<HTML><HEAD><TITLE>time</TITLE>\n");
printf("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">\n");
printf("<meta http-equiv=\"pragma\" content=\"no-cache\">\n");
printf("<style>\n");printf("<!--\n");printf("body { font-size: 75%; color: #003399; background-color: #FFFFFF; padding-top: 10px; padding-left: 10px; font-family: \"宋体\", \"Times New Roman\"; } \n");
printf("td { font-size: 12px; line-height: 18px; text-decoration: none; }\n");
printf("input.button { font-size: 12px; font-style: normal; font-weight: normal; font-variant: normal; border: 1px solid #183ead; line-height: normal; background-color: #ddddff; color: #000000; height: 18px; } \n");
printf("input.text { font-size: 12px; font-style: normal; line-height: normal; font-weight: normal; font-variant: normal; height: 18px; border: 1px solid #183ead; color: #000000; padding-right: 3px; padding-left: 3px; } \n");
printf("td.title { font-size: 12px; color: #FFFFFF; background-color: #336D2B; height: 24px; }\n");
printf("td.tail { font-size: 12px; height: 25px; }\n");
printf("td.hline { background-color: #FF9933; height: 1px; color: #FF9933; } \n");
printf("td.vline { color: #FF9933; background-color: #FF9933; width: 1px; } \n");
printf(".space { margin-top: 10px; margin-bottom: 10px; }\n");
printf("table { background-color: #CCCCFF; }\n");
printf("select.list { font-size: 12px; font-style: normal; line-height: normal; font-weight: normal; font-variant: normal; height: 18px; color: #000000; border: 1px solid #183ead; }\n");
printf("input.buttonface { font-size: 12px; font-style: normal; font-weight: normal; font-variant: normal; border: 1px solid #183ead; line-height: normal; background-color: #ddddff; color: #000000; height: 18px; } \n");
printf("td.top { font-size: 12px; line-height: 18px; text-decoration: none; vertical-align: top; }\n");
printf("input.textspecial { font-size: 12px; font-style: normal; line-height: normal; font-weight: normal; font-variant: normal; height: 18px; border: 1px solid #183ead; color: #000000; }\n");printf("#Layer1 {\n");
printf(" position:absolute;\n");
printf(" width:400px;\n");
printf(" height:106px;\n");
printf(" z-index:2;\n");
printf(" left: 250px;\n");
printf(" top: 180px;\n");
printf("}\n");
printf("-->\n");
printf("</style>\n");
printf("<script language=\"Javascript\"><!--\n");
printf("function checktime(){\n");
printf("for(var i = 0; i <6; i++){\n");
printf(" if(document.forms[0].elements[i].value ==\"\"){\n");
printf(" alert(\"请输入时间！\");\n");
printf(" var element = document.forms[0].elements[i];\n");
printf(" if(element){element.focus();element.select();}\n");
printf("return false;}}\n");
printf("if(parseInt(document.forms[0].year.value)< 2000){\n");
printf(" alert(\"年份输入不正确，请重新输入(2000-3000)！\");\n");
printf("var element =document.forms[0].year;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}\n");
printf("if(parseInt(document.forms[0].month.value)>12 ){\n");
printf("alert(\"月份输入不正确，请重新输入(1-12)！\");\n");
printf("var element =document.forms[0].month;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}\n");
printf("if(parseInt(document.forms[0].day.value)>31){\n");
printf("alert(\"日期输入不正确，请重新输入(1-31)！\");\n");
printf("var element =document.forms[0].day;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}\n");
printf("if(parseInt(document.forms[0].hour.value)>24){\n");
printf("alert(\"小时输入不正确，请重新输入(0-24)！\");\n");
printf("var element =document.forms[0].hour;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}\n");
printf("if(parseInt(document.forms[0].minute.value)>60){\n");
printf("alert(\"分钟输入不正确，请重新输入(0-60)！\");\n");
printf("var element =document.forms[0].minute;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}\n");
printf("if(parseInt(document.forms[0].second.value)>60){\n");
printf("alert(\"秒钟输入不正确，请重新输入(0-60)\");\n");
printf("var element =document.forms[0].second;\n");
printf("if(element){element.focus();element.select();}\n");
printf("return false;}return true;}\n");
printf("//--></script></head>\n");
printf("<body>\n");
printf("<center>\n");
printf("<form action=\"SaveNtpDate.cgi\" method=\"post\" >\n");
printf("<table width=\"502\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n");
printf("<tr><td width=\"7\" class=\"title\"><img src=\"../images/arctab.jpg\" width=\"30\" height=\"30\"></td>\n");
printf("<td width=\"495\" align=\"left\" valign=\"middle\" class=\"title\">时间设置</td>\n");
printf("</tr><tr><td colspan=\"2\">\n");
printf("<table width=\"502\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n");
printf("<tr><td class=\"vline\" rowspan=\"15\"><br> </td>\n");
printf("<td width=\"500\">\n");
printf("<table width=\"420\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"2\" class=\"space\">\n");
printf("<tr> <td>本页设置系统时间，您可以选择自己设置时间或者从互联网上获取标准的GMT时间。</td></tr>\n");
printf("</table>\n");
printf("<table width=\"420\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"2\" class=\"space\">\n");
printf("<tr> <td>注意：关闭电源后，时间信息会丢失，当您下次开机连上Internet后，路由器将会自动获取GMT时间。您必须先连上Internet获取GMT时间或到此页设置时间后，其他功能（如防火墙）中的时间限定才能生效。</td></tr>\n");
printf("</table>\n");
printf("<table width=\"420\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"2\" class=\"space\">\n");
printf("<tr><td>日期：\n");
printf("<input name=\"year\" type=\"text\" class=\"text\" id=\"year\" value=%d size=\"6\" maxlength=\"4\"> 年\n",1900+p->tm_year);
printf("<input name=\"month\" type=\"text\" class=\"text\" id=\"month\" value=%d size=\"4\" maxlength=\"2\"> 月\n",1+p->tm_mon);
printf("<input name=\"day\" type=\"text\" class=\"text\" id=\"day\" value=%d size=\"4\" maxlength=\"2\"> 日\n",p->tm_mday);
printf("</td></tr>\n");
printf("<tr><td>时间：\n");
printf("<input name=\"hour\" type=\"text\" class=\"text\" id=\"hour\" onBlur=\"checktime()\" value=%d size=\"4\" maxlength=\"2\"> 时\n",p->tm_hour);
printf("<input name=\"minute\" type=\"text\" class=\"text\" id=\"minute\" value=%d size=\"4\" maxlength=\"2\"> 分\n",p->tm_min);
printf("<input name=\"second\" type=\"text\" class=\"text\" id=\"second\" value=%d size=\"4\" maxlength=\"2\"> 秒\n",p->tm_sec);
printf("</td></tr>\n");
printf("</table></td>\n");
printf("<td class=\"vline\" rowspan=\"15\"><br> </td></tr>\n");
printf("<tr> <td class=\"hline\"></td></tr>\n");
printf("<tr><td class=\"tail\"> \n");
printf("<input name=\"submit1\" type=\"submit\" class=\"button\" id=\"submit1\" value=\"保 存\" onMouseDown=\"checktime()\"> \n");
printf("<input name=\"reset\" type=\"reset\" class=\"button\" id=\"reset\" value=\"重 填\" ></td></tr>\n");
printf("<tr><td class=\"hline\"></td></tr>\n");
printf("</table></td></tr></table>\n");
printf("</form></center>\n");printf("<center>\n");printf("<form action=\"Ntp.cgi\" method=\"post\" >\n");printf("<table width=\"502\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n");printf("<tr><td>\n");printf("<table width=\"420\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"2\" class=\"space\">\n");//in tableprintf("<tr><td class=Item> NTP Server：\n");
printf("<input name=\"ntpserver\" type=\"text\" class=\"text\" value=\"ntp.fudan.edu.cn\" size=\"20\" maxlength=\"30\">\n");
printf(" </td></tr>\n");
printf("<tr><td height=\"30\">\n");
printf("（仅在连上互联网后才能获取GMT时间）\n");printf("</td></tr>\n");printf("</table>\n");//in table
printf("<tr> <td class=\"hline\"></td></tr>\n");
printf("<tr><td class=\"tail\"> \n");printf("<input name=\"submit2\" type=\"submit\" class=\"button\" id=\"submit2\" value=\"获取GMT时间\" > \n");
printf("<input name=\"reset\" type=\"reset\" class=\"button\" id=\"reset\" value=\"重 填\" ></td></tr>\n");
printf("<tr><td class=\"hline\"></td></tr>\n");printf("</td></tr>\n");printf("</table>\n");printf("</form>\n");printf("</center>\n");printf("</body><head><meta http-equiv=\"pragma\" content=\"no-cache\"></head></html>\n");
fflush(stdout);
}
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