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<HTML><HEAD><TITLE> YACGI Simple Email Handler (1.1)</TITLE></HEAD><BODY BGCOLOR="#ffffff"><H1>YACGI Simple Email Handler (1.1)</H1><STRONG>Andrew Girow / Andriy Zhyrov /</STRONG><BR><BR><FONT SIZE="-1">Copyright © 1997 Andrew Girow. All Rights Reserved.</FONT><P><b>Look at the emailhd.c code. This code is a part of <a href="yacgi.html">YACGI</a> v1.2 libary</b> <BR><pre>/* emailhd.c: Simple CGI Email Handler * * This code demonstrates the main features of the YACGI * C/C++ library for CGI programming. */#include <stdio.h>#include <stdlib.h>#include "yacgi.h"/* Where the email configuration file */#define EMAIL_CONF_PATH "emailhd.conf"/* Where the email program */#define EMAIL_BINARY "/usr/bin/mail"main(int argc, char *argv[]){ CGI *cgi; char *name; char *email; char *subject; char *recipient; char *content; char recipient_conf[256]; char returnpage[256]; int recipient_found; FILE *out; FILE *in; char buf[256]; printf("Content-type: text/html%c%c",10,10); /*----------------------------------------------------------- * Opening Relation *-----------------------------------------------------------*/ cgi = cgiOpen(); if(!cgi) { printf("<H3>%s</H3>%c",cgiStateMsg(),10); exit(1); } /*----------------------------------------------------------- * Evaluating Relation *-----------------------------------------------------------*/ name = cgiValueFirst(cgi, "name"); email = cgiValueFirst(cgi, "email"); subject = cgiValueFirst(cgi, "subject"); recipient = cgiValueFirst(cgi, "recipient"); content = cgiSafeValue(cgi, "content"); if((name == NULL) || (email == NULL) || (content == NULL) || (recipient == NULL)) { printf("<TITLE>Email Rejected</TITLE>%c",10); printf("<H1>Email Rejected</H1>%c",10); printf("<P>Please fill out all fields provided.<BR>%c",10); printf("Back up to the previous page to try again.<BR>%c",10); cgiClose(cgi); exit(1); } /*----------------------------------------------------------- * Reading Email Configuration File *-----------------------------------------------------------*/ in = fopen(EMAIL_CONF_PATH, "r"); if(in==NULL) { printf("<TITLE>Email Rejected</TITLE>%c",10); printf("<H1>Email Rejected</H1>%c",10); printf("<P>Can not open email confiquration file.<BR>%c",10); cgiClose(cgi); exit(1); } recipient_found = 0; while(1) { if (!fgets(recipient_conf, 80, in)) break; if (!fgets(returnpage, 80, in)) break; if (!strncmp(recipient, recipient_conf, strlen(recipient))) { recipient_found = 1; break; } } fclose(in); if (!recipient_found) { printf("<TITLE>Email Rejected</TITLE>%c",10); printf("<H1>Email Rejected</H1>%c",10); printf("<P>%s is not one of the permitted email recipients.%c", recipient,10); printf("Back up to the previous page to try again.%c",10); cgiClose(cgi); exit(1); } /*----------------------------------------------------------- * Sending A Message *-----------------------------------------------------------*/ sprintf(buf, "%s %s", EMAIL_BINARY, recipient); out = popen(buf, "w"); fprintf(out, "Subject: %s\n", subject); fprintf(out, "Reply-To: %s\n\n", email); fprintf(out, "Supposedly-From: %s\n", name); fprintf(out, "[This message was sent through a www-email gateway.]\n"); fprintf(out, "--\n"); fprintf(out, "%s\n", content); pclose(out); printf("<TITLE>Message Accepted</TITLE>%c",10); printf("<H1>Message Accepted</H1>%c",10); printf("<A HREF=\"%s\">Follow this link to continue.</A>%c", returnpage,10); /*----------------------------------------------------------- * Closing Relation *-----------------------------------------------------------*/ cgiClose(cgi);}</pre><i>This code is a part of YACGI1.2 libary</i> <BR><BR><H2>Configuring</H2>Just after the copyright notice in emailhd.c, there are twovery important definitions you just configure. The firstdefines the location of your email configuration file:<PRE>#define EMAIL_CONF_PATH "emailhd.conf"</PRE>The second defines the locationof the mail binary:<PRE>#define EMAIL_BINARY "/bin/mail"</PRE><H2>Compiling</H2>Just go to emailhd directory and type makeIf all goes well the binary emailhd will be the result.<H2>Installing</H2>Move the emailhd binary to the cgi-bin directory of yourserver.<H2>Writing your configuration file</H2>Here is my emailhd configuration file <pre>andrew/girow/index.html</pre>This file contains email addresses alternatingwith the URLs of home pages. For each user, state the user'semail address and the URL of their home page on your server.<P>Save this file under the filename you specified for EMAIL_CONF_PATH.<H2>Installing a form</H2>The last step is to create an actual email form for each user.Simply modifying my name and the URL of the email script.<P>This should be enough information to allow you to set up your ownemail-handling forms. Please contact me if you have any difficulties.<p><CENTER><A HREF="index.html"> HOME </A></CENTER><p><FONT SIZE="-1">Copyright © 1997 Andrew Girow. All Rights Reserved.</FONT><HR SIZE=3><FONT SIZE="-1">Last updated: July 21, 1997</FONT></BODY></HTML>?? 快捷鍵說明
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