mailer.c

/*
 * $Id$
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include "mailer_config.h"

/* mailer listfile message_file from@host [path to mpp] */

char *messagebody,*mailfrom,*myhostname;
int messagebody_size;
void readmessage();
char *messagefile,*mpppath;
void do_list(char *fname);

void usage(char *prog)
{
    fprintf(stderr,
	"Usage: %s listfile[+line] message_file from@host [path to mpp] \n",
	prog);
    exit(1);
}

int main(int argc, char *argv[])
{
    int status;

    if(argc != 4 && argc != 5) usage(argv[0]);

    if(!(myhostname=strrchr((mailfrom=argv[3]),'@'))) usage(argv[0]);
    myhostname++;

    messagefile = argv[2];
    mpppath = (argc==4 ? MPP : argv[4]);
    readmessage();

    /* become a process group and session leader */
    switch(fork()) {
      case -1:
	perror("fork");
	exit(1);

      case 0:	/* child continues */
	break;

      default:	/* parent waits for the child */
	wait(&status);
	exit WEXITSTATUS(status);
    }

    if(setsid() == -1) {
	perror("setsid");
    }

    do_list(argv[1]);
    return 0;
}