#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <../../libmodules/guruengine/guruengine.h>
#include "mailconf.h"
#include "mailconf.m"
#include <fviews.h>

extern CONFIG_FILE f_sendmail;
static HELP_FILE help_setup ("mailconf","setup");
static CONFIG_FILE f_mailconf_ref ("/usr/lib/linuxconf/mailconf/mailconf.mc"
	,help_setup,0);

static CONFIG_FILE f_mailconf_local ("/etc/mailconf/mailconf.mc"
	,help_setup,0);

static CONFIG_FILE f_mailconf_run ("/var/run/mailconf/mailconf.mc"
	,help_setup,CONFIGF_GENERATED
	,"root","root",0600);

/*
	Generate the sendmail.cf in a SSTREAM using the reference mc file
	with modification from our configuration.
*/
<mod>
static int mailguru_generate(SSTREAM &ss)
{
	VIEWITEMS items;
	if (f_mailconf_local.exist()){
		items.read (f_mailconf_local);
	}else{
		items.read (f_mailconf_ref);
	}
	/*
		Put our configuration in place
	*/
	items.write (f_mailconf_run,NULL);
	<glocal>
		SSTREAM *ss;
	</glocal>
	glocal.ss = &ss;
	int ret = <call walkpopen>("m4",f_mailconf_run.getpath(),20);
	<f oneline>
		glocal.ss->write (line);
		return 0;
	</f>
	</call>
	return ret < 0 ? -1 : 0;
}
</mod>

/*
	Generate sendmail.cf using the M4 configuration
*/
int mailguru_generate ()
{
	int ret = -1;
	FILE_CFG *fout = f_sendmail.fopen ("w");
	if (fout != NULL){
		SSTREAM_FILE ss (fout);
		ret = mailguru_generate (ss);
		fclose (fout);
	}
	return ret;
}

/*
	Compare the sendmail.cf we would produce with the current one.
	Return false if they are different.
*/
<mod>
static bool mailguru_up2date ()
{
	<glocal>
		SSTRING current;
	</glocal>
	int ret = false;
	<call loadfile>(f_sendmail,false);
	<f oneline>
		glocal.current.append (line);
		return 0;
	</f>
	</call>
	SSTREAM_BUF ss;
	if (mailguru_generate(ss)!=-1){
		ret = glocal.current.cmp(ss.getbuf())==0;
	}
	return ret;
}
</mod>



<mod>
void mailguru_review()
{
	<glocal>
	</glocal>
	int ret = <call gurumanage>(MSG_U(T_MAILSETUP,"Sendmail setup")
			,MSG_U(I_MAILSETUP
				,"You will be presented with a set of dialog to fully\n"
				 "configure a sendmail server.")
			,help_setup);
	<f exec>
		<call gurusteps>(mode,status);
		<f eval1>
		</f>
		<f dialog1>
			// Your domain
		</f>
		<f eval2>
		</f>
		<f dialog2>
			// Domain aliases
		</f>
		<f eval3>
		</f>
		<f dialog3>
			// Relay rules to some domains
			mailertable
			virtusertable
		</f>
		<f path1>
			// Network setting / port binding
			// relay control
			FEATURE(`access_db',`hash -o /etc/mail/access.db')dnl
			FEATURE(`blacklist_recipients')dnl
		</f>
		<f path2>
			// vdomains
		</f>
		<f path3>
			// Tuning
			<call gurusteps>(mode,status);
			<f eval1>
			</f>
			<f dialog1>
				SMTP_MAILER_MAX
				SMTP_MAILER_MAXMSGS
			</f>
			<f eval2>
			</f>
			<f dialog2>
				// Trusted users
				use_ct_file
			</f>
			<f eval3>
			</f>
			<f dialog3>
				EXPOSED_USER(`root')dnl
			</f>
			<f eval4>
			</f>
			<f dialog4>
				redirect
			</f>
			<f eval5>
			</f>
			<f dialog5>
				FEATURE(`smrsh',`/usr/sbin/smrsh')dnl
			</f>
			</call>
		</f>
		</call>
	</call>
}
</mod>