Ejemplo n.º 1
0
int main(int argc,char **argv)
{
  char *action;
  const char *err;
  unsigned int i;
  int act = AC_NONE;	/* desired action */
  unsigned int actlen = 0;/* str_len of above */

  (void) umask(022);
  sig_pipeignore();
  when = now();

  getconfopt(argc,argv,options,1,&dir);
  initsub(0);

  sender = get_sender();
  if (!sender) die_sender();
  action = env_get("DEFAULT");
  if (!action) strerr_die2x(100,FATAL,MSG(ERR_NODEFAULT));

  if (!*sender)
    strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
  if (!sender[str_chr(sender,'@')])
    strerr_die2x(100,FATAL,MSG(ERR_ANONYMOUS));
  if (str_equal(sender,"#@[]"))
    strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));

  action = set_workdir(action);

  stralloc_copys(&target,sender);
  if (action[0]) {
    i = str_chr(action,'-');
    if (action[i]) {
      action[i] = 0;
      stralloc_copys(&target,action + i + 1);
      i = byte_rchr(target.s,target.len,'=');
      if (i < target.len)
	target.s[i] = '@';
    }
  }
  stralloc_0(&target);
  set_cptarget(target.s);	/* for copy() */
  make_verptarget();

  act = get_act_ismod(action,&actlen);

  stralloc_copy(&from,&outlocal);
  stralloc_cats(&from,"-return-@");
  stralloc_cat(&from,&outhost);
  stralloc_0(&from);

  if (qmail_open(&qq) == -1)
    strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
  msg_headers(act);

  if (act == AC_SUBSCRIBE)
    do_subscribe(action);
  else if (act == AC_SC)
    do_sc(action);
  else if (str_start(action,ACTION_RC))
    do_rc_tc(action,ACTION_RC);
  else if(str_start(action,ACTION_TC))
    do_rc_tc(action,ACTION_TC);
  else if (act == AC_UNSUBSCRIBE)
    do_unsubscribe(action);
  else if (str_start(action,ACTION_UC))
    do_uc(action);
  else if (str_start(action,ACTION_VC))
    do_vc_wc(action,ACTION_VC);
  else if (str_start(action,ACTION_WC))
    do_vc_wc(action,ACTION_WC);
  else if (act == AC_LIST || act == AC_LISTN) 
    do_list(act);
  else if (act == AC_LOG)
    do_log(action,actlen);
  else if (act == AC_EDIT)
    do_edit(action);
  else if (str_start(action,ACTION_ED))
    do_ed(action);
  else if (act == AC_GET)
    do_get(action);
  else if (case_starts(action,ACTION_QUERY) ||
		case_starts(action,ALT_QUERY))
    do_query();
  else if (case_starts(action,ACTION_INFO) ||
		case_starts(action,ALT_INFO))
    do_info();
  else if (case_starts(action,ACTION_FAQ) ||
		case_starts(action,ALT_FAQ))
    do_faq();
  else if (ismod && (act == AC_HELP))
    do_mod_help();
  else
    do_help();

  err = qmail_close(&qq);
  closesub();
  if (*err != '\0')
    strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ",err + 1);
  strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
  strerr_die3x(0,INFO,"qp ",strnum);
}
Ejemplo n.º 2
0
void main(int argc,char **argv)
{
  char *dir;
  int fdlock;
  char *sender;
  int match;
  int flaginheader;
  int flagmodpost;
  int flagremote;
  const char *pmod;
  const char *err;
  int opt;
  unsigned int i;
  char szchar[2] = "-";
  int child;

  (void) umask(022);
  sig_pipeignore();

  if (!stralloc_copys(&sendopt,"-")) die_nomem();
  while ((opt = getopt(argc,argv,"bBcCmMpPrRsSvVyY")) != opteof)
    switch(opt) {
      case 'b': flagbody = 1; break;
      case 'B': flagbody = 0; break;
      case 'm': flagmime = 1; break;
      case 'M': flagmime = 0; break;
      case 'p': flagpublic = 1; break;	/* anyone can post (still moderated)*/
      case 'P': flagpublic = 0; break;	/* only moderators can post */
      case 's': flagself = 1; break;	/* modpost and DIR/mod diff fxns */
      case 'S': flagself = 0; break;	/* same fxn */
      case 'y': flagconfirm = 1; break; /* force post confirmation */
      case 'Y': flagconfirm = 0; break; /* disable post confirmation */
      case 'c':				/* ezmlm-send flags */
      case 'C':
      case 'r':
      case 'R':
        szchar[0] = (char) opt & 0xff;
        if (!stralloc_append(&sendopt,szchar)) die_nomem();
        break;
      case 'v':
      case 'V': strerr_die2x(0,"ezmlm-store version: ",auto_version);
      default:
	die_usage();
    }

  sender = env_get("SENDER");

  if (sender) {
    if (!*sender || str_equal(sender,"#@[]"))
      strerr_die2x(100,FATAL,ERR_BOUNCE);
  }

  startup(dir = argv[optind]);
  load_config(dir);

  if (flagconfirm == -1)
    flagconfirm = getconf_line(&confirmpost,"confirmpost",0,dir);
  else
    getconf_line(&confirmpost,"confirmpost",0,dir);

  flagmodpost = getconf_line(&moderators,"modpost",0,dir);
  flagremote = getconf_line(&line,"remote",0,dir);
  if (!flagmodpost && !flagconfirm) {	/* not msg-mod. Pipe to ezmlm-send */
    if ((child = wrap_fork()) == 0)
      wrap_execbin("/ezmlm-send", &sendopt, dir);
    /* parent */
    wrap_exitcode(child);
  }

  if (!moderators.len || !(moderators.s[0] == '/')) {
    if (!stralloc_copys(&moderators,dir)) die_nomem();
    if (!stralloc_cats(&moderators,"/mod")) die_nomem();
  }
  if (!stralloc_0(&moderators)) die_nomem();

  if (sender) {
      pmod = issub(moderators.s,0,sender);
      closesub();
				/* sender = moderator? */
  } else
    pmod = 0;

  if (!pmod && !flagpublic)
    strerr_die2x(100,FATAL,ERR_NO_POST);

  fdlock = lockfile("mod/lock");

  if (!stralloc_copys(&mydtline, flagconfirm
    ? "Delivered-To: confirm to "
    : "Delivered-To: moderator for ")) die_nomem();
  if (!stralloc_catb(&mydtline,outlocal.s,outlocal.len)) die_nomem();
  if (!stralloc_append(&mydtline,"@")) die_nomem();
  if (!stralloc_catb(&mydtline,outhost.s,outhost.len)) die_nomem();
  if (!stralloc_cats(&mydtline,"\n")) die_nomem();

  if (!stralloc_copys(&returnpath,"Return-Path: <")) die_nomem();
  if (sender) {
    if (!stralloc_cats(&returnpath,sender)) die_nomem();
    for (i = 14; i < returnpath.len;++i)
      if (returnpath.s[i] == '\n' || !returnpath.s[i] )
        returnpath.s[i] = '_';
		/* NUL and '\n' are bad, but we don't quote since this is */
		/* only for ezmlm-moderate, NOT for SMTP */
  }
  if (!stralloc_cats(&returnpath,">\n")) die_nomem();

 pid = getpid();		/* unique file name */
 for (i = 0;;++i)		/* got lock - nobody else can add files */
  {
   when = now();		/* when is also used later for date! */
   if (!stralloc_copys(&fnmsg, flagconfirm?"mod/unconfirmed/":"mod/pending/")) die_nomem();
   if (!stralloc_copyb(&fnbase,strnum,fmt_ulong(strnum,when))) die_nomem();
   if (!stralloc_append(&fnbase,".")) die_nomem();
   if (!stralloc_catb(&fnbase,strnum,fmt_ulong(strnum,pid))) die_nomem();
   if (!stralloc_cat(&fnmsg,&fnbase)) die_nomem();
   if (!stralloc_0(&fnmsg)) die_nomem();
   if (stat(fnmsg.s,&st) == -1) if (errno == error_noent) break;
   /* really should never get to this point */
   if (i == 2)
     strerr_die2x(111,FATAL,ERR_UNIQUE);
   sleep(2);
  }

  if (!stralloc_copys(&action,"-")) die_nomem();
  if (!stralloc_cats(&action,flagconfirm?ACTION_DISCARD:ACTION_REJECT)) die_nomem();
  if (!stralloc_cat(&action,&fnbase)) die_nomem();
  if (!stralloc_0(&action)) die_nomem();
  makeacthash(&action);
  if (!quote(&quoted,&outlocal)) die_nomem();
  if (!stralloc_copy(&reject,&quoted)) die_nomem();
  if (!stralloc_cat(&reject,&action)) die_nomem();
  if (!stralloc_0(&reject)) die_nomem();

  if (!stralloc_copys(&action,"-")) die_nomem();
  if (!stralloc_cats(&action,flagconfirm?ACTION_CONFIRM:ACTION_ACCEPT)) die_nomem();
  if (!stralloc_cat(&action,&fnbase)) die_nomem();
  if (!stralloc_0(&action)) die_nomem();
  makeacthash(&action);
  if (!stralloc_copy(&accept,&quoted)) die_nomem();
  if (!stralloc_cat(&accept,&action)) die_nomem();
  if (!stralloc_0(&accept)) die_nomem();

  set_cptarget(accept.s);	/* for copy () */
  set_cpconfirm(reject.s,quoted.len);

  fdmsg = open_trunc(fnmsg.s);
  if (fdmsg == -1)
    strerr_die6sys(111,FATAL,ERR_WRITE,dir,"/",fnmsg.s,": ");
  substdio_fdbuf(&ssmsg,write,fdmsg,msgbuf,sizeof(msgbuf));

  if (qmail_open(&qq, (stralloc *) 0) == -1)		/* Open mailer */
    strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);

  hdr_add2("Mailing-List: ",mailinglist.s,mailinglist.len);
  if (listid.len > 0)
    hdr_add2("List-ID: ",listid.s,listid.len);
  hdr_datemsgid(when);
  if (flagconfirm)
    hdr_from("-owner");
  else
    hdr_add2s("From: ",reject.s);
  hdr_add2s("Reply-To: ",accept.s);
  if (!flagconfirm && !pmod && flagremote) {	/* if remote admin add -allow- address */
    qmail_puts(&qq,"Cc: ");	/* for ezmlm-gate users */
    strnum[fmt_ulong(strnum,(unsigned long) when)] = 0;
    cookie(hash,key.s,key.len-FLD_ALLOW,strnum,sender,"t");
    if (!stralloc_copy(&line,&outlocal)) die_nomem();
    if (!stralloc_cats(&line,"-allow-tc.")) die_nomem();
    if (!stralloc_cats(&line,strnum)) die_nomem();
    if (!stralloc_append(&line,".")) die_nomem();
    if (!stralloc_catb(&line,hash,COOKIE)) die_nomem();
    if (!stralloc_append(&line,"-")) die_nomem();
    i = str_rchr(sender,'@');
    if (!stralloc_catb(&line,sender,i)) die_nomem();
    if (sender[i]) {
      if (!stralloc_append(&line,"=")) die_nomem();
      if (!stralloc_cats(&line,sender + i + 1)) die_nomem();
    }
    qmail_put(&qq,line.s,line.len);
    qmail_puts(&qq,"@");
    qmail_put(&qq,outhost.s,outhost.len);
    qmail_puts(&qq,"\n");
  }
  qmail_puts(&qq,"To: <");
  if (flagconfirm) {
    if (sender)
      qmail_puts(&qq, sender);
  } else {
    if (!quote(&quoted,&outlocal))
      die_nomem();
    qmail_put(&qq,quoted.s,quoted.len);
    qmail_puts(&qq,"-moderators@");
    qmail_put(&qq,outhost.s,outhost.len);
  }
  qmail_puts(&qq,">\n");
  /* FIXME: Drop the custom subject hack and use hdr_listsubject1 */
  if (!stralloc_copys(&subject,"Subject: ")) die_nomem();
  if (flagconfirm) {
    if (confirmpost.len) {
      if (!stralloc_cat(&subject,&confirmpost)) die_nomem();
      if (!stralloc_cats(&subject," ")) die_nomem();
    } else {
      if (!stralloc_cats(&subject,TXT_CONFIRM_POST)) die_nomem();
    }
  } else {
    if (!stralloc_cats(&subject,TXT_MODERATE)) die_nomem();
  }
  if (!quote(&quoted,&outlocal)) die_nomem();
  if (!stralloc_cat(&subject,&quoted)) die_nomem();
  if (!stralloc_append(&subject,"@")) die_nomem();
  if (!stralloc_cat(&subject,&outhost)) die_nomem();
  if (flagmime) {
    hdr_mime(CTYPE_MULTIPART);
    qmail_put(&qq,subject.s,subject.len);
    hdr_boundary(0);
    hdr_ctype(CTYPE_TEXT);
    hdr_transferenc();
  } else {
    qmail_put(&qq,subject.s,subject.len);
    qmail_puts(&qq,"\n\n");
  }
  copy(&qq,flagconfirm?"text/post-confirm":"text/mod-request",flagcd);
  if (flagcd == 'B') {
    encodeB("",0,&line,2);
    qmail_put(&qq,line.s,line.len);
  }
  if (substdio_put(&ssmsg,returnpath.s,returnpath.len) == -1) die_msg();
  if (substdio_put(&ssmsg,mydtline.s,mydtline.len) == -1) die_msg();
  substdio_fdbuf(&ssin,read,0,inbuf,sizeof(inbuf));

  if (flagmime) {
    hdr_boundary(0);
    hdr_ctype(CTYPE_MESSAGE);
    qmail_puts(&qq, "\n");
  }

  qmail_put(&qq,returnpath.s,returnpath.len);
  qmail_put(&qq,mydtline.s,mydtline.len);
  flaginheader = 1;
  for (;;) {
    if (getln(&ssin,&line,&match,'\n') == -1)
      strerr_die2sys(111,FATAL,ERR_READ_INPUT);
    if (!match) break;
    if (line.len == 1) flaginheader = 0;
    if (flaginheader) {
      if ((line.len == mydtline.len) &&
		!byte_diff(line.s,line.len,mydtline.s)) {
	close(fdmsg);			/* be nice - clean up */
	unlink(fnmsg.s);
        strerr_die2x(100,FATAL,ERR_LOOPING);
      }
      if (case_startb(line.s,line.len,"mailing-list:")) {
	close(fdmsg);			/* be nice - clean up */
	unlink(fnmsg.s);
        strerr_die2x(100,FATAL,ERR_MAILING_LIST);
      }
    }

    if (flagbody || flaginheader)	/* skip body if !flagbody */
      qmail_put(&qq,line.s,line.len);
    if (substdio_put(&ssmsg,line.s,line.len) == -1) die_msg();
  }

  if (flagmime)
    hdr_boundary(1);

/* close archive before qmail. Loss of qmail will result in re-run, and   */
/* worst case this results in a duplicate msg sitting orphaned until it's */
/* cleaned out.                                                           */

  if (substdio_flush(&ssmsg) == -1) die_msg();
  if (fsync(fdmsg) == -1) die_msg();
  if (fchmod(fdmsg,MODE_MOD_MSG | 0700) == -1) die_msg();
  if (close(fdmsg) == -1) die_msg(); /* NFS stupidity */

  close(fdlock);

  if (flagconfirm) {
    qmail_from(&qq,reject.s);			/* envelope sender */
  } else {
    if (!stralloc_copy(&line,&outlocal)) die_nomem();
    if (!stralloc_cats(&line,"-return-@")) die_nomem();
    if (!stralloc_cat(&line,&outhost)) die_nomem();
    if (!stralloc_0(&line)) die_nomem();
    qmail_from(&qq,line.s);			/* envelope sender */
  }
  if (flagconfirm)				/* to sender */
    qmail_to(&qq,sender);
  else if (pmod)				/* to moderator only */
    qmail_to(&qq,pmod);
  else {
    if (flagself) {				/* to all moderators */
      if (!stralloc_copys(&moderators,dir)) die_nomem();
      if (!stralloc_cats(&moderators,"/mod")) die_nomem();
      if (!stralloc_0(&moderators)) die_nomem();
    }
    putsubs(moderators.s,0,0,52,subto,1);
  }

  if (*(err = qmail_close(&qq)) == '\0') {
      strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
      strerr_die2x(0,"ezmlm-store: info: qp ",strnum);
  } else
      strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE,err+1);
}