fetchmail - [fork] set imap idle timeout to 600s, some servers don't follow rfc recommendations

about summary refs log tree commit diff stats

diff options

Diffstat (limited to 'po/vi.po')

0 files changed, 0 insertions, 0 deletions

> 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799

/* Copyright 1996 by Eric S. Raymond
 * All rights reserved.
 * For license terms, see the file COPYING in this directory.
 */

/***********************************************************************
  module:       driver.c
  project:      fetchmail
  programmer:   Eric S. Raymond
  description:  Generic driver for mail fetch method protocols

 ***********************************************************************/

#include  <config.h>
#include  <stdio.h>
#include  <malloc.h>
#include  <varargs.h>
#include  <sys/time.h>

#include  "socket.h"
#include  "fetchmail.h"
#include  "smtp.h"

static struct method *protocol;

#define	SMTP_PORT	25	/* standard SMTP service port */

char tag[TAGLEN];
static int tagnum;
#define GENSYM	(sprintf(tag, "a%04d", ++tagnum), tag)

/*********************************************************************
  function:      
  description:   hack message headers so replies will work properly

  arguments:
    after        where to put the hacked header
    before       header to hack
    host         name of the pop header

  return value:  none.
  calls:         none.
 *********************************************************************/

static void reply_hack(buf, host)
/* hack local mail IDs -- code by Eric S. Raymond 20 Jun 1996 */
char *buf;
const char *host;
{
    const char *from;
    int state = 0;
    char mycopy[POPBUFSIZE+1];

    if (strncmp("From: ", buf, 6)
	&& strncmp("To: ", buf, 4)
	&& strncmp("Reply-", buf, 6)
	&& strncmp("Cc: ", buf, 4)
	&& strncmp("Bcc: ", buf, 5)) {
	return;
    }

    strcpy(mycopy, buf);
    for (from = mycopy; *from; from++)
    {
	switch (state)
	{
	case 0:   /* before header colon */
	    if (*from == ':')
		state = 1;
	    break;

	case 1:   /* we've seen the colon, we're looking for addresses */
	    if (*from == '"')
		state = 2;
	    else if (*from == '(')
		state = 3;    
	    else if (*from == '<' || isalnum(*from))
		state = 4;
	    break;

	case 2:   /* we're in a quoted human name, copy and ignore */
	    if (*from == '"')
		state = 1;
	    break;

	case 3:   /* we're in a parenthesized human name, copy and ignore */
	    if (*from == ')')
		state = 1;
	    break;

	case 4:   /* the real work gets done here */
	    /*
	     * We're in something that might be an address part,
	     * either a bare unquoted/unparenthesized text or text
	     * enclosed in <> as per RFC822.
	     */
	    /* if the address part contains an @, don't mess with it */
	    if (*from == '@')
		state = 5;

	    /* If the address token is not properly terminated, ignore it. */
	    else if (*from == ' ' || *from == '\t')
		state = 1;

	    /*
	     * On proper termination with no @, insert hostname.
	     * Case '>' catches <>-enclosed mail IDs.  Case ',' catches
	     * comma-separated bare IDs.  Cases \r and \n catch the case
	     * of a single ID alone on the line.
	     */
	    else if (strchr(">,\r\n", *from))
	    {
		strcpy(buf, "@");
		strcat(buf, host);
		buf += strlen(buf);
		state = 1;
	    }

	    /* everything else, including alphanumerics, just passes through */
	    break;

	case 5:   /* we're in a remote mail ID, no need to append hostname */
	    if (*from == '>' || *from == ',' || isspace(*from))
		state = 1;
	    break;
	}

	/* all characters from the old buffer get copied to the new one */
	*buf++ = *from;
    }
    *buf++ = '\0';
}

/*********************************************************************
  function:      nxtaddr
  description:   Parse addresses in succession out of a specified RFC822
                 header.  Note 1: RFC822 escaping with \ is *not* handled.
                 Note 2: it is important that this routine not stop on \r,
                 since we use \r as a marker for RFC822 continuations below.
  arguments:     
    hdr          header line to be parsed, NUL to continue in previous hdr

  return value:  next address, or NUL if there is no next address
  calls:         none
 *********************************************************************/

static char *nxtaddr(hdr)
char *hdr;
{
    static char	*hp, *tp, address[POPBUFSIZE+1];
    static	state;

    if (hdr)
    {
	hp = hdr;
	state = 0;
    }

    for (; *hp; hp++)
    {
	switch (state)
	{
	case 0:   /* before header colon */
	    if (*hp == '\n')
		return(NULL);
	    else if (*hp == ':')
	    {
		state = 1;
		tp = address;
	    }
	    break;

	case 1:   /* we've seen the colon, now grab the address */
	    if ((*hp == '\n') || (*hp == ','))  /* end of address list */
	    {
	        *tp++ = '\0';
		return(address);
	    }
	    else if (*hp == '"') /* quoted string */
	    {
	        state = 2;
		*tp++ = *hp;
	    }
	    else if (*hp == '(') /* address comment -- ignore */
		state = 3;    
	    else if (*hp == '<') /* begin <address> */
	    {
		state = 4;
		tp = address;
	    }
	    else if (isspace(*hp)) /* ignore space */
	        state = 1;
	    else   /* just take it */
	    {
		state = 1;
		*tp++ = *hp;
	    }
	    break;

	case 2:   /* we're in a quoted string, copy verbatim */
	    if (*hp == '\n')
		return(NULL);
	    if (*hp != '"')
	        *tp++ = *hp;
	    else if (*hp == '"')
	    {
	        *tp++ = *hp;
		state = 1;
	    }
	    break;

	case 3:   /* we're in a parenthesized comment, ignore */
	    if (*hp == '\n')
		return(NULL);
	    else if (*hp == ')')
		state = 1;
	    break;

	case 4:   /* possible <>-enclosed address */
	    if (*hp == '>') /* end of address */
	    {
		*tp++ = '\0';
		state = 1;
		return(address);
	    }
	    else if (*hp == '<')  /* nested <> */
	        tp = address;
	    else if (*hp == '"') /* quoted address */
	    {
	        *tp++ = *hp;
		state = 5;
	    }
	    else  /* just copy address */
		*tp++ = *hp;
	    break;

	case 5:   /* we're in a quoted address, copy verbatim */
	    if (*hp == '\n')  /* mismatched quotes */
		return(NULL);
	    if (*hp != '"')  /* just copy it if it isn't a quote */
	        *tp++ = *hp;
	    else if (*hp == '"')  /* end of quoted string */
	    {
	        *tp++ = *hp;
		state = 4;
	    }
	    break;
	}
    }

    return(NULL);
}

/*********************************************************************
  function:      gen_readmsg
  description:   Read the message content 

 as described in RFC 1225.
  arguments:     
    socket       ... to which the server is connected.
    mboxfd       open file descriptor to which the retrieved message will
                 be written.
    len          length of text 
    popuser      name of the POP user 
    pophost      name of the POP host 
    output       output mode

  return value:  zero if success else PS_* return code.
  calls:         SockGets.
  globals:       reads outlevel. 
 *********************************************************************/

static int gen_readmsg (socket,mboxfd,len,delimited,popuser,pophost,output,rewrite)
int socket;
int mboxfd;
long len;
int delimited;
char *popuser;
char *pophost;
int output;
int rewrite;
{ 
    char buf [MSGBUFSIZE+1]; 
    char fromBuf[MSGBUFSIZE+1];
    char *bufp, *headers, *unixfrom, *fromhdr, *tohdr, *cchdr, *bcchdr;
    int n, oldlen;
    int inheaders;
    int lines,sizeticker;
    time_t now;
    /* This keeps the retrieved message count for display purposes */
    static int msgnum = 0;  

    /* set up for status message if outlevel allows it */
    if (outlevel > O_SILENT && outlevel < O_VERBOSE) {
	fprintf(stderr,"reading message %d",++msgnum);
	/* won't do the '...' if retrieved messages are being sent to stdout */
	if (mboxfd == 1)
	    fputs("\n",stderr);
    }

    /* read the message content from the server */
    inheaders = 1;
    headers = unixfrom = fromhdr = tohdr = cchdr = bcchdr = NULL;
    lines = 0;
    sizeticker = 0;
    while (delimited || len > 0) {
	if ((n = SockGets(socket,buf,sizeof(buf))) < 0)
	    return(PS_SOCKET);
	len -= n;
	bufp = buf;
	if (buf[0] == '\0' || buf[0] == '\r' || buf[0] == '\n')
	    inheaders = 0;
	if (*bufp == '.') {
	    bufp++;
	    if (delimited && *bufp == 0)
		break;  /* end of message */
	}
	strcat(bufp, output == TO_SMTP && !inheaders ? "\r\n" : "\n");
     
	if (inheaders)
        {
	    if (rewrite)
		reply_hack(bufp, pophost);

	    if (!lines)
	    {
		oldlen = strlen(bufp);
		headers = malloc(oldlen + 1);
		if (headers == NULL)
		    return(PS_IOERR);
		(void) strcpy(headers, bufp);
		bufp = headers;
	    }
	    else
	    {
		int	newlen;

		/*
		 * We deal with RFC822 continuation lines here.
		 * Replace previous '\n' with '\r' so nxtaddr 
		 * and reply-hack will be able to see past it.
		 * We'll undo this before writing the header.
		 */
		if (isspace(bufp[0]))
		    headers[oldlen-1] = '\r';

		newlen = oldlen + strlen(bufp);
		headers = realloc(headers, newlen + 1);
		if (headers == NULL)
		    return(PS_IOERR);
		strcpy(headers + oldlen, bufp);
		bufp = headers + oldlen;
		oldlen = newlen;
	    }

	    if (!strncmp(bufp,"From ",5))
		unixfrom = bufp;
	    else if (!strncmp("From: ", bufp, 6))
		fromhdr = bufp;
	    else if (!strncmp("To: ", bufp, 4))
		tohdr = bufp;
	    else if (!strncmp("Cc: ", bufp, 4))
		cchdr = bufp;
	    else if (!strncmp("Bcc: ", bufp, 5))
		bcchdr = bufp;

	    goto skipwrite;
	}
	else if (headers)
	{
	    char	*cp;

	    switch (output)
	    {
	    case TO_SMTP:
		if (SMTP_from(mboxfd, nxtaddr(fromhdr)) != SM_OK)
		    return(PS_SMTP);
#ifdef SMTP_RESEND
		/*
		 * This is what we'd do if fetchmail were a real MDA
		 * a la sendmail -- crack all the destination headers
		 * and send to every address we can reach via SMTP.
		 */
		if ((cp = nxtaddr(tohdr)) != (char *)NULL)
		    do {
			if (SMTP_rcpt(mboxfd, cp) == SM_UNRECOVERABLE)
			    return(PS_SMTP);
		    } while
			(cp = nxtaddr(NULL));
		if ((cp = nxtaddr(cchdr)) != (char *)NULL)
		    do {
			if (SMTP_rcpt(mboxfd, cp) == SM_UNRECOVERABLE)
			    return(PS_SMTP);
		    } while
			(cp = nxtaddr(NULL));
		if ((cp = nxtaddr(bcchdr)) != (char *)NULL)
		    do {
			if (SMTP_rcpt(mboxfd, cp) == SM_UNRECOVERABLE)
			    return(PS_SMTP);
		    } while
			(cp = nxtaddr(NULL));
#else
		/*
		 * Since we're really only fetching mail for one user
		 * per host query, we can be simpler
		 */
		if (SMTP_rcpt(mboxfd, popuser) == SM_UNRECOVERABLE)
		    return(PS_SMTP);
#endif /* SMTP_RESEND */
		SMTP_data(mboxfd);
		if (outlevel == O_VERBOSE)
		    fputs("SMTP> ", stderr);
		break;

	    case TO_FOLDER:
	    case TO_STDOUT:
		if (unixfrom)
		    (void) strcpy(fromBuf, unixfrom);
		else
		{
		    now = time(NULL);
		    if (fromhdr && (cp = nxtaddr(fromhdr)))
			sprintf(fromBuf,
				"From %s %s", cp, ctime(&now));
		    else
			sprintf(fromBuf,
				"From POPmail %s",ctime(&now));
		}

		if (write(mboxfd,fromBuf,strlen(fromBuf)) < 0) {
		    perror("gen_readmsg: writing From header");
		    return(PS_IOERR);
		}
		break;

	    case TO_MDA:
		break;
	    }

	    /* change continuation markers back to regular newlines */
	    for (cp = headers; cp < headers +  oldlen; cp++)
		if (*cp == '\r')
		    *cp = '\n';

	    if (write(mboxfd,headers,oldlen) < 0)
	    {
		free(headers);
		headers = NULL;
		perror("gen_readmsg: writing RFC822 headers");
		return(PS_IOERR);
	    }
	    else if (outlevel == O_VERBOSE)
		fputs("#", stderr);
	    free(headers);
	    headers = NULL;
	}

	/* write this line to the file */
	if (write(mboxfd,bufp,strlen(bufp)) < 0)
	{
	    perror("gen_readmsg: writing message text");
	    return(PS_IOERR);
	}
	else if (outlevel == O_VERBOSE)
	    fputc('*', stderr);

    skipwrite:;

	sizeticker += strlen(bufp);
	while (sizeticker >= MSGBUFSIZE)
	{
	    if (outlevel > O_SILENT && outlevel < O_VERBOSE && mboxfd != 1)
		fputc('.',stderr);
	    sizeticker -= MSGBUFSIZE;
	}
	lines++;
    }

    if (outlevel == O_VERBOSE)
	fputc('\n', stderr);

    /* write message terminator, if any */
    switch (output)
    {
    case TO_SMTP:
	if (SMTP_eom(mboxfd) != SM_OK)
	    return(PS_SMTP);
	break;

    case TO_FOLDER:
    case TO_STDOUT:
	/* The server may not write the extra newline required by the Unix
	   mail folder format, so we write one here just in case */
	if (write(mboxfd,"\n",1) < 0) {
	    perror("gen_readmsg: writing terminator");
	    return(PS_IOERR);
	}
	break;

    case TO_MDA:
	/* The mail delivery agent may require a terminator.  Write it if
	   it has been defined */
#ifdef BINMAIL_TERM
	if (write(mboxfd,BINMAIL_TERM,strlen(BINMAIL_TERM)) < 0) {
	    perror("gen_readmsg: writing terminator");
	    return(PS_IOERR);
	}
#endif /* BINMAIL_TERM */
	break;
    }

    /* finish up display output */
    if (outlevel == O_VERBOSE)
	fprintf(stderr,"(%d lines of message content)\n",lines);
    else if (outlevel > O_SILENT && mboxfd != 1) 
	fputs("\n",stderr);
    else
	;
    return(0);
}

/*********************************************************************
  function:      do_protocol
  description:   retrieve messages from the specified mail server
                 using a given set of methods

  arguments:     
    queryctl     fully-specified options (i.e. parsed, defaults invoked,
                 etc).
    proto        protocol method pointer

  return value:  exit code from the set of PS_.* constants defined in 
                 fetchmail.h
  calls:
  globals:       reads outlevel.
 *********************************************************************/

int do_protocol(queryctl, proto)
struct hostrec *queryctl;
struct method *proto;
{
    int ok, len;
    int mboxfd;
    char buf [POPBUFSIZE+1], host[HOSTLEN+1];
    int socket;
    int first,number,count;

    tagnum = 0;
    protocol = proto;

    /* open the output sink, locking it if it is a folder */
    if (queryctl->output == TO_FOLDER || queryctl->output == TO_STDOUT) {
	if ((mboxfd = openuserfolder(queryctl)) < 0) 
	    return(PS_IOERR);
    } else if (queryctl->output == TO_SMTP) {
	if ((mboxfd = Socket(queryctl->smtphost, SMTP_PORT)) < 0) 
	    return(PS_SOCKET);

	/* eat the greeting message */
	if (SMTP_ok(mboxfd, NULL) != SM_OK) {
	    close(mboxfd);
	    mboxfd = 0;
	    return(PS_SMTP);
	}
    
	/* make it look like mail is coming from the server */
	if (SMTP_helo(mboxfd,queryctl->servername) != SM_OK) {
	    close(mboxfd);
	    mboxfd = 0;
	    return(PS_SMTP);
	}
    }

    /* open a socket to the mail server */
    if ((socket = Socket(queryctl->servername,
			 queryctl->port ? queryctl->port : protocol->port))<0)
    {
	perror("do_protocol: socket");
	ok = PS_SOCKET;
	goto closeUp;
    }

    /* accept greeting message from mail server */
    ok = (protocol->parse_response)(buf, socket);
    if (ok != 0) {
	if (ok != PS_SOCKET)
	    gen_transact(socket, protocol->exit_cmd);
	close(socket);
	goto closeUp;
    }

    /* try to get authorized to fetch mail */
    ok = (protocol->getauth)(socket, queryctl, buf);
    if (ok == PS_ERROR)
	ok = PS_AUTHFAIL;
    if (ok != 0)
	goto cleanUp;

    /* compute count and first */
    if ((*protocol->getrange)(socket, queryctl, &count, &first) != 0)
	goto cleanUp;

    /* show them how many messages we'll be downloading */
    if (outlevel > O_SILENT && outlevel < O_VERBOSE)
	if (count == 0)
	    fprintf(stderr, "No mail from %s\n", queryctl->servername);
	else if (first > 1) 
	    fprintf(stderr,
		    "%d message%s from %s, %d new messages.\n", 
		    count, count > 1 ? "s" : "", 
		    queryctl->servername, count - first + 1);
	else
	    fprintf(stderr,
		    "%d %smessage%s from %s.\n",
		    count, ok ? "" : "new ", 
		    count > 1 ? "s" : "", 
		    queryctl->servername);

    if (count > 0) { 
	for (number = queryctl->flush ? 1 : first;  number<=count; number++) {

	    char *cp;

	    /* open the mail pipe if we're using an MDA */
	    if (queryctl->output == TO_MDA
		&& (queryctl->fetchall || number >= first)) {
		ok = (mboxfd = openmailpipe(queryctl)) < 0 ? -1 : 0;
		if (ok != 0)
		    goto cleanUp;
	    }
           
	    if (queryctl->flush && number < first && !queryctl->fetchall) 
		ok = 0;  /* no command to send here, will delete message below */
	    else
	    {
		(*protocol->fetch)(socket, number, linelimit, &len);
		if (outlevel == O_VERBOSE)
		    if (protocol->delimited)
			fprintf(stderr,"fetching message %d (delimited)\n",number);
		    else
			fprintf(stderr,"fetching message %d (%d bytes)\n",number,len);
		ok = gen_readmsg(socket,mboxfd,len,protocol->delimited,
				 queryctl->localname,
				 queryctl->servername,
				 queryctl->output, 
				 !queryctl->norewrite);
		if (protocol->trail)
		    (*protocol->trail)(socket, queryctl, number);
		if (ok != 0)
		    goto cleanUp;
	    }

	    /* maybe we delete this message now? */
	    if (protocol->delete_cmd)
	    {
		if ((number < first && queryctl->flush) || !queryctl->keep) {
		    if (outlevel > O_SILENT && outlevel < O_VERBOSE) 
			fprintf(stderr,"flushing message %d\n", number);
		    else
			;
		    ok = gen_transact(socket, protocol->delete_cmd, number);
		    if (ok != 0)
			goto cleanUp;
		}
	    }

	    /* close the mail pipe, we'll reopen before next message */
	    if (queryctl->output == TO_MDA
		&& (queryctl->fetchall || number >= first)) {
		ok = closemailpipe(mboxfd);
		if (ok != 0)
		    goto cleanUp;
	    }
	}

	/* remove all messages flagged for deletion */
        if (!queryctl->keep && protocol->expunge_cmd)
	{
	    ok = gen_transact(socket, protocol->expunge_cmd);
	    if (ok != 0)
		goto cleanUp;
        }

	ok = gen_transact(socket, protocol->exit_cmd);
	if (ok == 0)
	    ok = PS_SUCCESS;
	close(socket);
	goto closeUp;
    }
    else {
	ok = gen_transact(socket, protocol->exit_cmd);
	if (ok == 0)
	    ok = PS_NOMAIL;
	close(socket);
	goto closeUp;
    }

cleanUp:
    if (ok != 0 && ok != PS_SOCKET)
	gen_transact(socket, protocol->exit_cmd);

closeUp:
    if (queryctl->output == TO_FOLDER)
    {
	if (closeuserfolder(mboxfd) < 0 && ok == 0)
	    ok = PS_IOERR;
    }
    else if (queryctl->output == TO_SMTP && mboxfd > 0) {
	SMTP_quit(mboxfd);
	close(mboxfd);
    }

    if (ok == PS_IOERR || ok == PS_SOCKET) 
	perror("do_protocol: cleanUp");

    return(ok);
}

/*********************************************************************
  function:      gen_send
  description:   Assemble command in print style and send to the server

  arguments:     
    socket       socket to which the server is connected.
    fmt          printf-style format

  return value:  none.
  calls:         SockPuts.
  globals:       reads outlevel.
 *********************************************************************/

void gen_send(socket, fmt, va_alist)
int socket;
const char *fmt;
va_dcl {

  char buf [POPBUFSIZE+1];
  va_list ap;

  if (protocol->tagged)
      (void) sprintf(buf, "%s ", GENSYM);
  else
      buf[0] = '\0';

  va_start(ap);
  vsprintf(buf + strlen(buf), fmt, ap);
  va_end(ap);

  SockPuts(socket, buf);

  if (outlevel == O_VERBOSE)
    fprintf(stderr,"> %s\n", buf);
}

/*********************************************************************
  function:      gen_transact
  description:   Assemble command in print style and send to the server.
                 then accept a protocol-dependent response.

  arguments:     
    socket       socket to which the server is connected.
    fmt          printf-style format

  return value:  none.
  calls:         SockPuts.
  globals:       reads outlevel.
 *********************************************************************/

int gen_transact(socket, fmt, va_alist)
int socket;
const char *fmt;
va_dcl {

  int ok;
  char buf [POPBUFSIZE+1];
  va_list ap;

  if (protocol->tagged)
      (void) sprintf(buf, "%s ", GENSYM);
  else
      buf[0] = '\0';

  va_start(ap);
  vsprintf(buf + strlen(buf), fmt, ap);
  va_end(ap);

  SockPuts(socket, buf);

  if (outlevel == O_VERBOSE)
    fprintf(stderr,"> %s\n", buf);

  ok = (protocol->parse_response)(buf,socket);
  if (ok != 0 && outlevel > O_SILENT && outlevel <= O_VERBOSE)
    fprintf(stderr,"%s\n",buf);

  return(ok);
}


context:
space:
mode: