init.c 42.3 KB
Newer Older
Thomas Roessler's avatar
Thomas Roessler committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
/*
 * Copyright (C) 1996-8 Michael R. Elkins <[email protected]>
 * 
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 * 
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with this program; if not, write to the Free Software
 *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */ 

#include "mutt.h"
Thomas Roessler's avatar
Thomas Roessler committed
20
#include "mapping.h"
Thomas Roessler's avatar
Thomas Roessler committed
21 22
#include "mutt_curses.h"
#include "mutt_regex.h"
Thomas Roessler's avatar
Thomas Roessler committed
23
#include "history.h"
24
#include "keymap.h"
Thomas Roessler's avatar
Thomas Roessler committed
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84


#ifdef _PGPPATH
#include "pgp.h"
#endif



#include "mx.h"
#include "init.h"
#include "mailbox.h"

#include <pwd.h>
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/utsname.h>
#include <errno.h>
#include <sys/wait.h>

#define toggle_quadoption(opt) QuadOptions ^= (1 << (2 * opt))

void set_quadoption (int opt, int flag)
{
  QuadOptions &= ~(0x3 << (2 * opt)); /* first clear the bits */
  QuadOptions |= (flag & 0x3) << (2 * opt); /* now set them */
}

int quadoption (int opt)
{
  return ((QuadOptions >> (opt * 2)) & 0x3);
}

int query_quadoption (int opt, const char *prompt)
{
  int v = quadoption (opt);

  switch (v)
  {
    case M_YES:
    case M_NO:
      return (v);

    default:
      v = mutt_yesorno (prompt, (v == M_ASKYES));
      CLEARLINE (LINES - 1);
      return (v);
  }

  /* not reached */
}

/* given the variable ``s'', return the index into the rc_vars array which
   matches, or -1 if the variable is not found.  */
int mutt_option_index (char *s)
{
  int i;

  for (i = 0; MuttVars[i].option; i++)
85
    if (mutt_strcmp (s, MuttVars[i].option) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105
      return (MuttVars[i].type == DT_SYN ?  mutt_option_index ((char *) MuttVars[i].data) : i);
  return (-1);
}

static void add_char (BUFFER *buf, char ch)
{
  size_t offset;

  if (buf->dptr >= buf->data + buf->dsize)
  {
    offset = buf->dptr - buf->data;
    buf->dsize += 4;
    safe_realloc ((void **) &buf->data, buf->dsize);
    buf->dptr = buf->data + offset;
  }
  *buf->dptr++ = ch;
}

static void add_str (BUFFER *buf, const char *s)
{
106
  size_t slen = mutt_strlen (s);
Thomas Roessler's avatar
Thomas Roessler committed
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
  size_t offset;

  if (buf->dptr + slen > buf->data + buf->dsize)
  {
    offset = buf->dptr - buf->data;
    buf->dsize += slen;
    safe_realloc ((void **) &buf->data, buf->dsize);
    buf->dptr = buf->data + offset;
  }
  memcpy (buf->dptr, s, slen);
  buf->dptr += slen;
}

int mutt_extract_token (BUFFER *dest, BUFFER *tok, int flags)
{
  char		ch;
  char		qc = 0; /* quote char */
  char		*pc;

  /* reset the destination pointer to the beginning of the buffer */
  dest->dptr = dest->data;

  SKIPWS (tok->dptr);
  while ((ch = *tok->dptr))
  {
    if (!qc)
    {
      if ((ISSPACE (ch) && !(flags & M_TOKEN_SPACE)) ||
	  (ch == '#' && !(flags & M_TOKEN_COMMENT)) ||
	  (ch == '=' && (flags & M_TOKEN_EQUAL)) ||
	  (ch == ';' && !(flags & M_TOKEN_SEMICOLON)) ||
	  ((flags & M_TOKEN_PATTERN) && strchr ("~!|", ch)))
	break;
    }

    tok->dptr++;

    if (ch == qc)
      qc = 0; /* end of quote */
    else if (!qc && (ch == '\'' || ch == '"') && !(flags & M_TOKEN_QUOTE))
      qc = ch;
    else if (ch == '\\' && qc != '\'')
    {
      switch (ch = *tok->dptr++)
      {
	case 'c':
	case 'C':
	  add_char (dest, (toupper (*tok->dptr) - '@') & 0x7f);
	  tok->dptr++;
	  break;
	case 'r':
	  add_char (dest, '\r');
	  break;
	case 'n':
	  add_char (dest, '\n');
	  break;
	case 't':
	  add_char (dest, '\t');
	  break;
	case 'f':
	  add_char (dest, '\f');
	  break;
	case 'e':
	  add_char (dest, '\033');
	  break;
	default:
Thomas Roessler's avatar
Thomas Roessler committed
173 174 175
	  if (isdigit ((unsigned char) ch) &&
	      isdigit ((unsigned char) *tok->dptr) &&
	      isdigit ((unsigned char) *(tok->dptr + 1)))
Thomas Roessler's avatar
Thomas Roessler committed
176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191
	  {

	    add_char (dest, (ch << 6) + (*tok->dptr << 3) + *(tok->dptr + 1) - 3504);
	    tok->dptr += 2;
	  }
	  else
	    add_char (dest, ch);
      }
    }
    else if (ch == '^' && (flags & M_TOKEN_CONDENSE))
    {
      ch = *tok->dptr++;
      if (ch == '^')
	add_char (dest, ch);
      else if (ch == '[')
	add_char (dest, '\033');
Thomas Roessler's avatar
Thomas Roessler committed
192
      else if (isalpha ((unsigned char) ch))
Thomas Roessler's avatar
Thomas Roessler committed
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
	add_char (dest, toupper (ch) - '@');
      else
      {
	add_char (dest, '^');
	add_char (dest, ch);
      }
    }
    else if (ch == '`' && (!qc || qc == '"'))
    {
      FILE	*fp;
      pid_t	pid;
      char	*cmd, *ptr;
      size_t	expnlen;
      BUFFER	expn;
      int	line = 0;

      pc = tok->dptr;
      do {
	if ((pc = strpbrk (pc, "\\`")))
	{
	  /* skip any quoted chars */
	  if (*pc == '\\')
	    pc += 2;
	}
      } while (pc && *pc != '`');
      if (!pc)
      {
	dprint (1, (debugfile, "mutt_get_token: mismatched backtics\n"));
	return (-1);
      }
      cmd = mutt_substrdup (tok->dptr, pc);
      if ((pid = mutt_create_filter (cmd, NULL, &fp, NULL)) < 0)
      {
	dprint (1, (debugfile, "mutt_get_token: unable to fork command: %s", cmd));
	return (-1);
      }
      FREE (&cmd);

      tok->dptr = pc + 1;

      /* read line */
      memset (&expn, 0, sizeof (expn));
      expn.data = mutt_read_line (NULL, &expn.dsize, fp, &line);
      fclose (fp);
      mutt_wait_filter (pid);

      /* if we got output, make a new string consiting of the shell ouptput
	 plus whatever else was left on the original line */
      if (expn.data)
      {
243 244
	expnlen = mutt_strlen (expn.data);
	tok->dsize = expnlen + mutt_strlen (tok->dptr) + 1;
Thomas Roessler's avatar
Thomas Roessler committed
245 246 247 248 249 250 251 252 253 254 255 256
	ptr = safe_malloc (tok->dsize);
	memcpy (ptr, expn.data, expnlen);
	strcpy (ptr + expnlen, tok->dptr);
	if (tok->destroy)
	  FREE (&tok->data);
	tok->data = ptr;
	tok->dptr = ptr;
	tok->destroy = 1; /* mark that the caller should destroy this data */
	ptr = NULL;
	FREE (&expn.data);
      }
    }
Thomas Roessler's avatar
Thomas Roessler committed
257
    else if (ch == '$' && (!qc || qc == '"') && (*tok->dptr == '{' || isalpha ((unsigned char) *tok->dptr)))
Thomas Roessler's avatar
Thomas Roessler committed
258 259 260 261 262 263 264 265 266 267 268 269 270 271
    {
      char *env, *var;

      if (*tok->dptr == '{')
      {
	tok->dptr++;
	if ((pc = strchr (tok->dptr, '}')))
	{
	  var = mutt_substrdup (tok->dptr, pc);
	  tok->dptr = pc + 1;
	}
      }
      else
      {
Thomas Roessler's avatar
Thomas Roessler committed
272
	for (pc = tok->dptr; isalpha ((unsigned char) *pc) || *pc == '_'; pc++)
Thomas Roessler's avatar
Thomas Roessler committed
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288
	  ;
	var = mutt_substrdup (tok->dptr, pc);
	tok->dptr = pc;
      }
      if ((env = getenv (var)))
	add_str (dest, env);
      FREE (&var);
    }
    else
      add_char (dest, ch);
  }
  add_char (dest, 0); /* terminate the string */
  SKIPWS (tok->dptr);
  return 0;
}

289
static void add_to_list (LIST **list, const char *str)
Thomas Roessler's avatar
Thomas Roessler committed
290 291 292
{
  LIST *t, *last = NULL;

293 294
  /* check to make sure the item is not already on this list */
  for (last = *list; last; last = last->next)
Thomas Roessler's avatar
Thomas Roessler committed
295
  {
296
    if (mutt_strcasecmp (str, last->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
297
    {
298 299 300
      /* already on the list, so just ignore it */
      last = NULL;
      break;
Thomas Roessler's avatar
Thomas Roessler committed
301
    }
302 303 304
    if (!last->next)
      break;
  }
Thomas Roessler's avatar
Thomas Roessler committed
305

306 307 308 309 310
  if (!*list || last)
  {
    t = (LIST *) safe_calloc (1, sizeof (LIST));
    t->data = safe_strdup (str);
    if (last)
Thomas Roessler's avatar
Thomas Roessler committed
311
    {
312 313
      last->next = t;
      last = last->next;
Thomas Roessler's avatar
Thomas Roessler committed
314
    }
315 316
    else
      *list = last = t;
Thomas Roessler's avatar
Thomas Roessler committed
317 318 319
  }
}

320
static void remove_from_list (LIST **l, const char *str)
Thomas Roessler's avatar
Thomas Roessler committed
321 322 323
{
  LIST *p, *last = NULL;

324 325 326
  if (mutt_strcmp ("*", str) == 0)
    mutt_free_list (l);    /* ``unCMD *'' means delete all current entries */
  else
Thomas Roessler's avatar
Thomas Roessler committed
327
  {
328 329 330
    p = *l;
    last = NULL;
    while (p)
Thomas Roessler's avatar
Thomas Roessler committed
331
    {
332
      if (mutt_strcasecmp (str, p->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
333
      {
334 335 336
	safe_free ((void **) &p->data);
	if (last)
	  last->next = p->next;
Thomas Roessler's avatar
Thomas Roessler committed
337
	else
338 339 340 341 342 343 344
	  (*l) = p->next;
	safe_free ((void **) &p);
      }
      else
      {
	last = p;
	p = p->next;
Thomas Roessler's avatar
Thomas Roessler committed
345 346 347 348 349 350 351
      }
    }
  }
}

static int parse_unignore (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
352 353 354 355 356 357 358 359
  do
  {
    mutt_extract_token (buf, s, 0);
    add_to_list (&UnIgnore, buf->data);
    remove_from_list (&Ignore, buf->data);
  }
  while (MoreArgs (s));

Thomas Roessler's avatar
Thomas Roessler committed
360 361 362 363 364
  return 0;
}

static int parse_ignore (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
365 366 367 368 369 370 371 372
  do
  {
    mutt_extract_token (buf, s, 0);
    remove_from_list (&UnIgnore, buf->data);
    add_to_list (&Ignore, buf->data);
  }
  while (MoreArgs (s));

Thomas Roessler's avatar
Thomas Roessler committed
373 374 375 376 377
  return 0;
}

static int parse_list (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
378 379 380 381 382 383 384
  do
  {
    mutt_extract_token (buf, s, 0);
    add_to_list ((LIST **) data, buf->data);
  }
  while (MoreArgs (s));

Thomas Roessler's avatar
Thomas Roessler committed
385 386 387 388 389
  return 0;
}

static int parse_unlist (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
390 391 392 393 394 395 396
  do
  {
    mutt_extract_token (buf, s, 0);
    remove_from_list ((LIST **) data, buf->data);
  }
  while (MoreArgs (s));

Thomas Roessler's avatar
Thomas Roessler committed
397 398 399
  return 0;
}

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

static int parse_unlists (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);
    remove_from_list (&MailLists, buf->data);
    remove_from_list (&SubscribedLists, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}

static int parse_subscribe (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  do
  {
    mutt_extract_token (buf, s, 0);
    add_to_list (&MailLists, buf->data);
    add_to_list (&SubscribedLists, buf->data);
  }
  while (MoreArgs (s));

  return 0;
}
  
Thomas Roessler's avatar
Thomas Roessler committed
427 428 429 430 431 432 433 434 435 436 437
static int parse_unalias (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  ALIAS *tmp, *last = NULL;

  do
  {
    mutt_extract_token (buf, s, 0);

    tmp = Aliases;
    for (tmp = Aliases; tmp; tmp = tmp->next)
    {
438
      if (mutt_strcasecmp (buf->data, tmp->name) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
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
      {
	if (last)
	  last->next = tmp->next;
	else
	  Aliases = tmp->next;
	tmp->next = NULL;
	mutt_free_alias (&tmp);
	break;
      }
      last = tmp;
    }
  }
  while (MoreArgs (s));
  return 0;
}

static int parse_alias (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  ALIAS *tmp = Aliases;
  ALIAS *last = NULL;
  char *p;
  size_t len;

  if ((p = strpbrk (s->dptr, " \t")) == NULL)
  {
464
    strfcpy (err->data, _("alias: no address"), err->dsize);
Thomas Roessler's avatar
Thomas Roessler committed
465 466 467 468 469 470 471 472
    return (-1);
  }

  len = p - s->dptr;

  /* check to see if an alias with this name already exists */
  for (; tmp; tmp = tmp->next)
  {
473
    if (!mutt_strncasecmp (tmp->name, s->dptr, len) && *(tmp->name + len) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492
      break;
    last = tmp;
  }

  if (!tmp)
  {
    /* create a new alias */
    tmp = (ALIAS *) safe_calloc (1, sizeof (ALIAS));
    tmp->name = safe_malloc (len + 1);
    memcpy (tmp->name, s->dptr, len);
    tmp->name[len] = 0;
  }
  else
  {
    /* override the previous value */
    rfc822_free_address (&tmp->addr);
  }
  s->dptr = p;

493
  mutt_extract_token (buf, s, M_TOKEN_QUOTE | M_TOKEN_SPACE | M_TOKEN_SEMICOLON);
Thomas Roessler's avatar
Thomas Roessler committed
494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512
  tmp->addr = mutt_parse_adrlist (tmp->addr, buf->data);
  if (last)
    last->next = tmp;
  else
    Aliases = tmp;
  return 0;
}

static int
parse_unmy_hdr (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  LIST *last = NULL;
  LIST *tmp = UserHeader;
  LIST *ptr;
  size_t l;

  do
  {
    mutt_extract_token (buf, s, 0);
513
    if (mutt_strcmp ("*", buf->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
514 515 516 517 518 519
      mutt_free_list (&UserHeader);
    else
    {
      tmp = UserHeader;
      last = NULL;

520
      l = mutt_strlen (buf->data);
Thomas Roessler's avatar
Thomas Roessler committed
521 522 523 524 525
      if (buf->data[l - 1] == ':')
	l--;

      while (tmp)
      {
526
	if (mutt_strncasecmp (buf->data, tmp->data, l) == 0 && tmp->data[l] == ':')
Thomas Roessler's avatar
Thomas Roessler committed
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
	{
	  ptr = tmp;
	  if (last)
	    last->next = tmp->next;
	  else
	    UserHeader = tmp->next;
	  tmp = tmp->next;
	  ptr->next = NULL;
	  mutt_free_list (&ptr);
	}
	else
	{
	  last = tmp;
	  tmp = tmp->next;
	}
      }
    }
  }
  while (MoreArgs (s));
  return 0;
}

static int parse_my_hdr (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
{
  LIST *tmp;
  size_t keylen;
  char *p;

  mutt_extract_token (buf, s, M_TOKEN_SPACE | M_TOKEN_QUOTE);
  if ((p = strpbrk (buf->data, ": \t")) == NULL || *p != ':')
  {
558
    strfcpy (err->data, _("invalid header field"), err->dsize);
Thomas Roessler's avatar
Thomas Roessler committed
559 560 561 562 563 564 565
    return (-1);
  }
  keylen = p - buf->data + 1;
  p++;
  SKIPWS (p);
  if (!*p)
  {
566
    snprintf (err->data, err->dsize, _("ignoring empty header field: %s"), buf->data);
Thomas Roessler's avatar
Thomas Roessler committed
567 568 569 570 571 572 573 574
    return (-1);
  }

  if (UserHeader)
  {
    for (tmp = UserHeader; ; tmp = tmp->next)
    {
      /* see if there is already a field by this name */
575
      if (mutt_strncasecmp (buf->data, tmp->data, keylen) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
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
      {
	/* replace the old value */
	safe_free ((void **) &tmp->data);
	tmp->data = buf->data;
	memset (buf, 0, sizeof (BUFFER));
	return 0;
      }
      if (!tmp->next)
	break;
    }
    tmp->next = mutt_new_list ();
    tmp = tmp->next;
  }
  else
  {
    tmp = mutt_new_list ();
    UserHeader = tmp;
  }
  tmp->data = buf->data;
  memset (buf, 0, sizeof (BUFFER));
  return 0;
}

static int
parse_sort (short *val, const char *s, const struct mapping_t *map, BUFFER *err)
{
  int i, flags = 0;

604
  if (mutt_strncmp ("reverse-", s, 8) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
605 606 607 608 609
  {
    s += 8;
    flags = SORT_REVERSE;
  }
  
610
  if (mutt_strncmp ("last-", s, 5) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
611 612 613 614 615 616 617
  {
    s += 5;
    flags |= SORT_LAST;
  }

  if ((i = mutt_getvaluebyname (s, map)) == -1)
  {
618
    snprintf (err->data, err->dsize, _("%s: unknown sorting method"), s);
Thomas Roessler's avatar
Thomas Roessler committed
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
    return (-1);
  }

  *val = i | flags;

  return 0;
}

static void mutt_restore_default (struct option_t *p)
{
  switch (p->type & DT_MASK)
  {
    case DT_STR:
      if (p->init)
      {
	FREE (p->data);
	*((char **) p->data) = safe_strdup ((char *) p->init);
      }
      break;
    case DT_PATH:
      if (p->init)
      {
	char path[_POSIX_PATH_MAX];

	FREE (p->data);
	strfcpy (path, (char *) p->init, sizeof (path));
	mutt_expand_path (path, sizeof (path));
	*((char **) p->data) = safe_strdup (path);
      }
      break;
649 650 651 652 653 654 655
    case DT_ADDR:
      if (p->init)
      {
	rfc822_free_address ((ADDRESS **) p->data);
	*((ADDRESS **) p->data) = rfc822_parse_adrlist (NULL, (char *) p->init);
      }
      break;
Thomas Roessler's avatar
Thomas Roessler committed
656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
    case DT_BOOL:
      if (p->init)
	set_option (p->data);
      else
	unset_option (p->data);
      break;
    case DT_QUAD:
      set_quadoption (p->data, p->init);
      break;
    case DT_NUM:
    case DT_SORT:
    case DT_MAGIC:
      *((short *) p->data) = p->init;
      break;
    case DT_RX:
      {
	REGEXP *pp = (REGEXP *) p->data;
Thomas Roessler's avatar
Thomas Roessler committed
673 674
	int flags = 0;

Thomas Roessler's avatar
Thomas Roessler committed
675
	FREE (&pp->pattern);
Thomas Roessler's avatar
Thomas Roessler committed
676 677 678 679 680
	if (pp->rx)
	{
	  regfree (pp->rx);
	  FREE (&pp->rx);
	}
Thomas Roessler's avatar
Thomas Roessler committed
681 682
	if (p->init)
	{
Thomas Roessler's avatar
Thomas Roessler committed
683 684 685
	  char *s = (char *) p->init;

	  pp->rx = safe_calloc (1, sizeof (regex_t));
Thomas Roessler's avatar
Thomas Roessler committed
686
	  pp->pattern = safe_strdup ((char *) p->init);
687
	  if (mutt_strcmp (p->option, "alternates") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
688
	    flags |= REG_ICASE;
689
	  else if (mutt_strcmp (p->option, "mask") != 0)
Thomas Roessler's avatar
Thomas Roessler committed
690
	    flags |= mutt_which_case ((const char *) p->init);
691
	  if (mutt_strcmp (p->option, "mask") == 0 && *s == '!')
Thomas Roessler's avatar
Thomas Roessler committed
692 693 694 695 696
	  {
	    s++;
	    pp->not = 1;
	  }
	  if (REGCOMP (pp->rx, s, flags) != 0)
Thomas Roessler's avatar
Thomas Roessler committed
697
	  {
698
	    fprintf (stderr, _("mutt_restore_default: error in regexp: %s\n"),
Thomas Roessler's avatar
Thomas Roessler committed
699
		     pp->pattern);
Thomas Roessler's avatar
Thomas Roessler committed
700 701 702
	    FREE (&pp->pattern);
	    regfree (pp->rx);
	    FREE (&pp->rx);
Thomas Roessler's avatar
Thomas Roessler committed
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
	  }
	}
      }
      break;
  }
  if (p->flags & R_INDEX)
    set_option (OPTFORCEREDRAWINDEX);
  if (p->flags & R_PAGER)
    set_option (OPTFORCEREDRAWPAGER);
  if (p->flags & R_RESORT_SUB)
    set_option (OPTSORTSUBTHREADS);
  if (p->flags & R_RESORT)
    set_option (OPTNEEDRESORT);
}

static int parse_set (BUFFER *tmp, BUFFER *s, unsigned long data, BUFFER *err)
{
  int idx, query, unset, inv, reset, r = 0;
  char *p, scratch[_POSIX_PATH_MAX];

  while (MoreArgs (s))
  {
    /* reset state variables */
    query = 0;
    unset = data & M_SET_UNSET;
    inv = data & M_SET_INV;
    reset = data & M_SET_RESET;

    if (*s->dptr == '?')
    {
      query = 1;
      s->dptr++;
    }
736
    else if (mutt_strncmp ("no", s->dptr, 2) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
737 738 739 740
    {
      s->dptr += 2;
      unset = !unset;
    }
741
    else if (mutt_strncmp ("inv", s->dptr, 3) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
742 743 744 745 746 747 748 749 750 751 752 753 754 755
    {
      s->dptr += 3;
      inv = !inv;
    }
    else if (*s->dptr == '&')
    {
      reset = 1;
      s->dptr++;
    }

    /* get the variable name */
    mutt_extract_token (tmp, s, M_TOKEN_EQUAL);

    if ((idx = mutt_option_index (tmp->data)) == -1 &&
756
	!(reset && !mutt_strcmp ("all", tmp->data)))
Thomas Roessler's avatar
Thomas Roessler committed
757
    {
758
      snprintf (err->data, err->dsize, _("%s: unknown variable"), tmp->data);
Thomas Roessler's avatar
Thomas Roessler committed
759 760 761 762 763 764 765 766
      return (-1);
    }
    SKIPWS (s->dptr);

    if (reset)
    {
      if (query || unset || inv)
      {
767
	snprintf (err->data, err->dsize, _("prefix is illegal with reset"));
Thomas Roessler's avatar
Thomas Roessler committed
768 769 770 771 772
	return (-1);
      }

      if (s && *s->dptr == '=')
      {
773
	snprintf (err->data, err->dsize, _("value is illegal with reset"));
Thomas Roessler's avatar
Thomas Roessler committed
774 775 776
	return (-1);
      }
     
777
      if (!mutt_strcmp ("all", tmp->data))
Thomas Roessler's avatar
Thomas Roessler committed
778 779 780 781 782 783 784 785 786 787 788 789
      {
	for (idx = 0; MuttVars[idx].option; idx++)
	  mutt_restore_default (&MuttVars[idx]);
	return 0;
      }
      else
	mutt_restore_default (&MuttVars[idx]);
    } 
    else if (DTYPE (MuttVars[idx].type) == DT_BOOL)
    { 
      if (s && *s->dptr == '=')
      {
Thomas Roessler's avatar
Thomas Roessler committed
790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806
	if (unset || inv || query)
	{
	  snprintf (err->data, err->dsize, "Usage: set variable=yes|no");
	  return (-1);
	}

	s->dptr++;
	mutt_extract_token (tmp, s, 0);
	if (mutt_strcasecmp ("yes", tmp->data) == 0)
	  unset = inv = 0;
	else if (mutt_strcasecmp ("no", tmp->data) == 0)
	  unset = 1;
	else
	{
	  snprintf (err->data, err->dsize, "Usage: set variable=yes|no");
	  return (-1);
	}
Thomas Roessler's avatar
Thomas Roessler committed
807 808 809 810
      }

      if (query)
      {
811 812
	snprintf (err->data, err->dsize, option (MuttVars[idx].data)
			? _("%s is set") : _("%s is unset"), tmp->data);
Thomas Roessler's avatar
Thomas Roessler committed
813 814 815 816 817 818 819 820 821 822 823
	return 0;
      }

      if (unset)
	unset_option (MuttVars[idx].data);
      else if (inv)
	toggle_option (MuttVars[idx].data);
      else
	set_option (MuttVars[idx].data);
    }
    else if (DTYPE (MuttVars[idx].type) == DT_STR ||
824 825
	     DTYPE (MuttVars[idx].type) == DT_PATH ||
	     DTYPE (MuttVars[idx].type) == DT_ADDR)
Thomas Roessler's avatar
Thomas Roessler committed
826 827 828 829 830 831 832 833 834 835 836 837
    {
      if (query || *s->dptr != '=')
      {
	/* user requested the value of this variable */
	snprintf (err->data, err->dsize, "%s=\"%s\"", MuttVars[idx].option,
		  NONULL (*((char **) MuttVars[idx].data)));
	break;
      }

      s->dptr++;

      /* copy the value of the string */
838 839 840 841 842
      if (DTYPE (MuttVars[idx].type) == DT_ADDR)
	rfc822_free_address ((ADDRESS **) MuttVars[idx].data);
      else
	FREE (MuttVars[idx].data);

Thomas Roessler's avatar
Thomas Roessler committed
843
      mutt_extract_token (tmp, s, 0);
844
      if (DTYPE (MuttVars[idx].type) == DT_PATH)
Thomas Roessler's avatar
Thomas Roessler committed
845 846 847 848 849
      {
	strfcpy (scratch, tmp->data, sizeof (scratch));
	mutt_expand_path (scratch, sizeof (scratch));
	*((char **) MuttVars[idx].data) = safe_strdup (scratch);
      }
850
      else if (DTYPE (MuttVars[idx].type) == DT_STR)
Thomas Roessler's avatar
Thomas Roessler committed
851 852 853
      {
	*((char **) MuttVars[idx].data) = safe_strdup (tmp->data);
      }
854 855 856 857
      else
      {
	*((ADDRESS **) MuttVars[idx].data) = rfc822_parse_adrlist (NULL, tmp->data);
      }
Thomas Roessler's avatar
Thomas Roessler committed
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
    }
    else if (DTYPE(MuttVars[idx].type) == DT_RX)
    {
      REGEXP *ptr = (REGEXP *) MuttVars[idx].data;
      regex_t *rx;
      int e, flags = 0;

      if (query || *s->dptr != '=')
      {
	/* user requested the value of this variable */
	snprintf (err->data, err->dsize, "%s=\"%s\"", MuttVars[idx].option,
		  NONULL (ptr->pattern));
	break;
      }

873 874
      if (option(OPTATTACHMSG) && (!mutt_strcmp(MuttVars[idx].option, "alternates")
				   || !mutt_strcmp(MuttVars[idx].option, "reply_regexp")))
875 876 877 878 879 880
      {
	snprintf (err->data, err->dsize, "Operation not permitted when in attach-message mode.");
	r = -1;
	break;
      }
      
Thomas Roessler's avatar
Thomas Roessler committed
881 882 883 884 885
      s->dptr++;

      /* copy the value of the string */
      mutt_extract_token (tmp, s, 0);

886
      if (!ptr->pattern || mutt_strcmp (ptr->pattern, tmp->data) != 0)
Thomas Roessler's avatar
Thomas Roessler committed
887
      {
Thomas Roessler's avatar
Thomas Roessler committed
888 889
	int not = 0;

Thomas Roessler's avatar
Thomas Roessler committed
890 891
	/* $alternates is case-insensitive,
	   $mask is case-sensitive */
892
	if (mutt_strcmp (MuttVars[idx].option, "alternates") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
893
	  flags |= REG_ICASE;
894
	else if (mutt_strcmp (MuttVars[idx].option, "mask") != 0)
Thomas Roessler's avatar
Thomas Roessler committed
895
	  flags |= mutt_which_case (tmp->data);
Thomas Roessler's avatar
Thomas Roessler committed
896 897

	p = tmp->data;
898
	if (mutt_strcmp (MuttVars[idx].option, "mask") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
899 900 901 902 903 904 905 906
	{
	  if (*p == '!')
	  {
	    not = 1;
	    p++;
	  }
	}
	  
Thomas Roessler's avatar
Thomas Roessler committed
907
	rx = (regex_t *) safe_malloc (sizeof (regex_t));
Thomas Roessler's avatar
Thomas Roessler committed
908
	if ((e = REGCOMP (rx, p, flags)) != 0)
Thomas Roessler's avatar
Thomas Roessler committed
909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
	{
	  regerror (e, rx, err->data, err->dsize);
	  regfree (rx);
	  FREE (&rx);
	  break;
	}

	/* get here only if everything went smootly */
	if (ptr->pattern)
	{
	  FREE (&ptr->pattern);
	  regfree ((regex_t *) ptr->rx);
	  FREE (&ptr->rx);
	}

	ptr->pattern = safe_strdup (tmp->data);
	ptr->rx = rx;
Thomas Roessler's avatar
Thomas Roessler committed
926
	ptr->not = not;
Thomas Roessler's avatar
Thomas Roessler committed
927

928 929
	/* $reply_regexp and $alterantes require special treatment */
	
Thomas Roessler's avatar
Thomas Roessler committed
930
	if (Context && Context->msgcount &&
931
	    mutt_strcmp (MuttVars[idx].option, "reply_regexp") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948
	{
	  regmatch_t pmatch[1];
	  int i;
	  
#define CUR_ENV Context->hdrs[i]->env
	  for (i = 0; i < Context->msgcount; i++)
	  {
	    if (CUR_ENV && CUR_ENV->subject)
	    {
	      CUR_ENV->real_subj = (regexec (ReplyRegexp.rx,
				    CUR_ENV->subject, 1, pmatch, 0)) ?
				    CUR_ENV->subject : 
				    CUR_ENV->subject + pmatch[0].rm_eo;
	    }
	  }
#undef CUR_ENV
	}
949 950
	
	if(Context && Context->msgcount &&
951
	   mutt_strcmp(MuttVars[idx].option, "alternates") == 0)
952 953 954 955 956 957
	{
	  int i;
	  
	  for(i = 0; i < Context->msgcount; i++)
	    Context->hdrs[i]->recip_valid = 0;
	}
Thomas Roessler's avatar
Thomas Roessler committed
958 959 960 961 962 963 964 965 966 967 968 969 970 971
      }
    }
    else if (DTYPE(MuttVars[idx].type) == DT_MAGIC)
    {
      if (query || *s->dptr != '=')
      {
	switch (DefaultMagic)
	{
	  case M_MBOX:
	    p = "mbox";
	    break;
	  case M_MMDF:
	    p = "MMDF";
	    break;
972 973 974
	  case M_KENDRA:
	    p = "KENDRA";
	    break;
Thomas Roessler's avatar
Thomas Roessler committed
975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994
	  case M_MH:
	    p = "MH";
	    break;
	  case M_MAILDIR:
	    p = "Maildir";
	    break;
	  default:
	    p = "unknown";
	    break;
	}
	snprintf (err->data, err->dsize, "%s=%s", MuttVars[idx].option, p);
	break;
      }

      s->dptr++;

      /* copy the value of the string */
      mutt_extract_token (tmp, s, 0);
      if (mx_set_magic (tmp->data))
      {
995
	snprintf (err->data, err->dsize, _("%s: invalid mailbox type"), tmp->data);
Thomas Roessler's avatar
Thomas Roessler committed
996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
	r = -1;
	break;
      }
    }
    else if (DTYPE(MuttVars[idx].type) == DT_NUM)
    {
      short *ptr = (short *) MuttVars[idx].data;

      if (query || *s->dptr != '=')
      {
	/* user requested the value of this variable */
	snprintf (err->data, err->dsize, "%s=%d", MuttVars[idx].option, *ptr);
	break;
      }

      s->dptr++;

      mutt_extract_token (tmp, s, 0);
      *ptr = (short) atoi (tmp->data);

      /* these ones need a sanity check */
1017
      if (mutt_strcmp (MuttVars[idx].option, "history") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1018 1019 1020 1021 1022
      {
	if (*ptr < 0)
	  *ptr = 0;
	mutt_init_history ();
      }
1023
      else if (mutt_strcmp (MuttVars[idx].option, "pager_index_lines") == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043
      {
	if (*ptr < 0)
	  *ptr = 0;
      }
    }
    else if (DTYPE (MuttVars[idx].type) == DT_QUAD)
    {
      if (query)
      {
	char *vals[] = { "no", "yes", "ask-no", "ask-yes" };

	snprintf (err->data, err->dsize, "%s=%s", MuttVars[idx].option,
		  vals [ quadoption (MuttVars[idx].data) ]);
	break;
      }

      if (*s->dptr == '=')
      {
	s->dptr++;
	mutt_extract_token (tmp, s, 0);
1044
	if (mutt_strcasecmp ("yes", tmp->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1045
	  set_quadoption (MuttVars[idx].data, M_YES);
1046
	else if (mutt_strcasecmp ("no", tmp->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1047
	  set_quadoption (MuttVars[idx].data, M_NO);
1048
	else if (mutt_strcasecmp ("ask-yes", tmp->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1049
	  set_quadoption (MuttVars[idx].data, M_ASKYES);
1050
	else if (mutt_strcasecmp ("ask-no", tmp->data) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1051 1052 1053
	  set_quadoption (MuttVars[idx].data, M_ASKNO);
	else
	{
1054
	  snprintf (err->data, err->dsize, _("%s: invalid value"), tmp->data);
Thomas Roessler's avatar
Thomas Roessler committed
1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
	  r = -1;
	  break;
	}
      }
      else
      {
	if (inv)
	  toggle_quadoption (MuttVars[idx].data);
	else if (unset)
	  set_quadoption (MuttVars[idx].data, M_NO);
	else
	  set_quadoption (MuttVars[idx].data, M_YES);
      }
    }
    else if (DTYPE (MuttVars[idx].type) == DT_SORT)
    {
      const struct mapping_t *map;

      switch (MuttVars[idx].type & DT_SUBTYPE_MASK)
      {
	case DT_SORT_ALIAS:
	  map = SortAliasMethods;
	  break;
	case DT_SORT_BROWSER:
	  map = SortBrowserMethods;
	  break;
Thomas Roessler's avatar
Thomas Roessler committed
1081 1082 1083 1084 1085
#ifdef _PGPPATH
	case DT_SORT_KEYS:
	  map = SortKeyMethods;
	  break;
#endif
Thomas Roessler's avatar
Thomas Roessler committed
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
	default:
	  map = SortMethods;
	  break;
      }

      if (query || *s->dptr != '=')
      {
	p = mutt_getnamebyvalue (*((short *) MuttVars[idx].data) & SORT_MASK, map);

	snprintf (err->data, err->dsize, "%s=%s%s%s", MuttVars[idx].option,
		  (*((short *) MuttVars[idx].data) & SORT_REVERSE) ? "reverse-" : "",
		  (*((short *) MuttVars[idx].data) & SORT_LAST) ? "last-" : "",
		  p);
	return 0;
      }
      s->dptr++;
      mutt_extract_token (tmp, s , 0);

      if (parse_sort ((short *) MuttVars[idx].data, tmp->data, map, err) == -1)
	break;
    }
    else
    {
1109
      snprintf (err->data, err->dsize, _("%s: unknown type"), MuttVars[idx].option);
Thomas Roessler's avatar
Thomas Roessler committed
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
      r = -1;
      break;
    }

    if (MuttVars[idx].flags & R_INDEX)
      set_option (OPTFORCEREDRAWINDEX);
    if (MuttVars[idx].flags & R_PAGER)
      set_option (OPTFORCEREDRAWPAGER);
    if (MuttVars[idx].flags & R_RESORT_SUB)
      set_option (OPTSORTSUBTHREADS);
    if (MuttVars[idx].flags & R_RESORT)
      set_option (OPTNEEDRESORT);
  }
  return (r);
}

/* reads the specified initialization file.  returns -1 if errors were found
   so that we can pause to let the user know...  */
static int source_rc (const char *rcfile, BUFFER *err)
{
  FILE *f;
  int line = 0, rc = 0;
  BUFFER token;
  char *linebuf = NULL;
  size_t buflen;
  pid_t pid;

  if ((f = mutt_open_read (rcfile, &pid)) == NULL)
  {
    snprintf (err->data, err->dsize, "%s: %s", rcfile, strerror (errno));
    return (-1);
  }

  memset (&token, 0, sizeof (token));
  while ((linebuf = mutt_read_line (linebuf, &buflen, f, &line)) != NULL)
  {
    if (mutt_parse_rc_line (linebuf, &token, err) == -1)
    {
1148
      mutt_error (_("Error in %s, line %d: %s"), rcfile, line, err->data);
Thomas Roessler's avatar
Thomas Roessler committed
1149 1150 1151 1152 1153 1154 1155 1156 1157
      rc = -1;
    }
  }
  FREE (&token.data);
  safe_free ((void **) &linebuf);
  fclose (f);
  if (pid != -1)
    mutt_wait_filter (pid);
  if (rc)
1158 1159
    /* the muttrc source keyword */
    snprintf (err->data, err->dsize, _("source: errors in %s"), rcfile);
Thomas Roessler's avatar
Thomas Roessler committed
1160 1161 1162 1163 1164 1165 1166 1167 1168
  return (rc);
}

static int parse_source (BUFFER *tmp, BUFFER *s, unsigned long data, BUFFER *err)
{
  char path[_POSIX_PATH_MAX];

  if (mutt_extract_token (tmp, s, 0) != 0)
  {
1169
    snprintf (err->data, err->dsize, _("source: error at %s"), s->dptr);
Thomas Roessler's avatar
Thomas Roessler committed
1170 1171 1172 1173
    return (-1);
  }
  if (MoreArgs (s))
  {
1174
    strfcpy (err->data, _("source: too many arguments"), err->dsize);
Thomas Roessler's avatar
Thomas Roessler committed
1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
    return (-1);
  }
  strfcpy (path, tmp->data, sizeof (path));
  mutt_expand_path (path, sizeof (path));
  return (source_rc (path, err));
}

/* line		command to execute

   token	scratch buffer to be used by parser.  caller should free
   		token->data when finished.  the reason for this variable is
		to avoid having to allocate and deallocate a lot of memory
		if we are parsing many lines.  the caller can pass in the
		memory to use, which avoids having to create new space for
		every call to this function.

   err		where to write error messages */
int mutt_parse_rc_line (/* const */ char *line, BUFFER *token, BUFFER *err)
{
  int i, r = -1;
  BUFFER expn;

  memset (&expn, 0, sizeof (expn));
  expn.data = expn.dptr = line;
1199
  expn.dsize = mutt_strlen (line);
Thomas Roessler's avatar
Thomas Roessler committed
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215

  *err->data = 0;

  SKIPWS (expn.dptr);
  while (*expn.dptr)
  {
    if (*expn.dptr == '#')
      break; /* rest of line is a comment */
    if (*expn.dptr == ';')
    {
      expn.dptr++;
      continue;
    }
    mutt_extract_token (token, &expn, 0);
    for (i = 0; Commands[i].name; i++)
    {
1216
      if (!mutt_strcmp (token->data, Commands[i].name))
Thomas Roessler's avatar
Thomas Roessler committed
1217 1218 1219 1220 1221 1222 1223 1224
      {
	if (Commands[i].func (token, &expn, Commands[i].data, err) != 0)
	  goto finish;
        break;
      }
    }
    if (!Commands[i].name)
    {
1225
      snprintf (err->data, err->dsize, _("%s: unknown command"), NONULL (token->data));
Thomas Roessler's avatar
Thomas Roessler committed
1226 1227 1228 1229 1230 1231 1232 1233 1234 1235
      goto finish;
    }
  }
  r = 0;
finish:
  if (expn.destroy)
    FREE (&expn.data);
  return (r);
}

1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246

#define MAX(a,b) (((a) >= (b)) ? (a) : (b))
#define NUMVARS (sizeof (MuttVars)/sizeof (MuttVars[0]))
#define NUMCOMMANDS (sizeof (Commands)/sizeof (Commands[0]))
/* initial string that starts completion. No telling how much crap 
 * the user has typed so far. Allocate LONG_STRING just to be sure! */
char User_typed [LONG_STRING] = {0}; 

int  Num_matched = 0; /* Number of matches for completion */
char Completed [STRING] = {0}; /* completed string (command or variable) */
char *Matches[MAX(NUMVARS,NUMCOMMANDS) + 1]; /* all the matches + User_typed */
1247

Thomas Roessler's avatar
Thomas Roessler committed
1248 1249 1250 1251 1252 1253 1254
/* helper function for completion.  Changes the dest buffer if
   necessary/possible to aid completion.
	dest == completion result gets here.
	src == candidate for completion.
	try == user entered data for completion.
	len == length of dest buffer.
*/
1255
static void candidate (char *dest, char *try, char *src, int len)
Thomas Roessler's avatar
Thomas Roessler committed
1256
{
1257 1258
  int l;

Thomas Roessler's avatar
Thomas Roessler committed
1259 1260
  if (strstr (src, try) == src)
  {
1261 1262 1263 1264 1265 1266 1267 1268
    Matches[Num_matched++] = src;
    if (dest[0] == 0)
      strfcpy (dest, src, len);
    else
    {
      for (l = 0; src[l] && src[l] == dest[l]; l++);
      dest[l] = 0;
    }
Thomas Roessler's avatar
Thomas Roessler committed
1269 1270 1271
  }
}

1272
int mutt_command_complete (char *buffer, size_t len, int pos, int numtabs)
Thomas Roessler's avatar
Thomas Roessler committed
1273
{
1274
  char *pt = buffer;
1275
  int num;
1276
  int spaces; /* keep track of the number of leading spaces on the line */
1277 1278

  SKIPWS (buffer);
1279
  spaces = buffer - pt;
1280

1281
  pt = buffer + pos - spaces;
Thomas Roessler's avatar
Thomas Roessler committed
1282
  while ((pt > buffer) && !isspace ((unsigned char) *pt))
Thomas Roessler's avatar
Thomas Roessler committed
1283
    pt--;
1284

Thomas Roessler's avatar
Thomas Roessler committed
1285 1286
  if (pt == buffer) /* complete cmd */
  {
1287 1288
    /* first TAB. Collect all the matches */
    if (numtabs == 1)
1289
    {
1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301
      Num_matched = 0;
      strfcpy (User_typed, pt, sizeof (User_typed));
      memset (Matches, 0, sizeof (Matches));
      memset (Completed, 0, sizeof (Completed));
      for (num = 0; Commands[num].name; num++)
	candidate (Completed, User_typed, Commands[num].name, sizeof (Completed));
      Matches[Num_matched++] = User_typed;

      /* All matches are stored. Longest non-ambiguous string is ""
       * i.e. dont change 'buffer'. Fake successful return this time */
      if (User_typed[0] == 0)
	return 1;
1302
    }
1303

1304 1305 1306
    if (Completed[0] == 0 && User_typed[0])
      return 0;

1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
     /* Num_matched will _always_ be atleast 1 since the initial
      * user-typed string is always stored */
    if (numtabs == 1 && Num_matched == 2)
      snprintf(Completed, sizeof(Completed),"%s", Matches[0]);
    else if (numtabs > 1 && Num_matched > 2)
      /* cycle thru all the matches */
      snprintf(Completed, sizeof(Completed), "%s", 
	       Matches[(numtabs - 2) % Num_matched]);

    /* return the completed command */
1317
    strncpy (buffer, Completed, len - spaces);
Thomas Roessler's avatar
Thomas Roessler committed
1318
  }
1319 1320 1321 1322
  else if (!mutt_strncmp (buffer, "set", 3)
	   || !mutt_strncmp (buffer, "unset", 5)
	   || !mutt_strncmp (buffer, "reset", 5)
	   || !mutt_strncmp (buffer, "toggle", 6))
Thomas Roessler's avatar
Thomas Roessler committed
1323
  { 		/* complete variables */
1324
    char *prefixes[] = { "no", "inv", "?", "&", 0 };
Thomas Roessler's avatar
Thomas Roessler committed
1325
    
Thomas Roessler's avatar
Thomas Roessler committed
1326
    pt++;
1327
    /* loop through all the possible prefixes (no, inv, ...) */
1328
    if (!mutt_strncmp (buffer, "set", 3))
1329 1330 1331
    {
      for (num = 0; prefixes[num]; num++)
      {
1332
	if (!mutt_strncmp (pt, prefixes[num], mutt_strlen (prefixes[num])))
1333
	{
1334
	  pt += mutt_strlen (prefixes[num]);
1335 1336 1337 1338 1339
	  break;
	}
      }
    }
    
1340 1341
    /* first TAB. Collect all the matches */
    if (numtabs == 1)
1342
    {
1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354
      Num_matched = 0;
      strfcpy (User_typed, pt, sizeof (User_typed));
      memset (Matches, 0, sizeof (Matches));
      memset (Completed, 0, sizeof (Completed));
      for (num = 0; MuttVars[num].option; num++)
	candidate (Completed, User_typed, MuttVars[num].option, sizeof (Completed));
      Matches[Num_matched++] = User_typed;

      /* All matches are stored. Longest non-ambiguous string is ""
       * i.e. dont change 'buffer'. Fake successful return this time */
      if (User_typed[0] == 0)
	return 1;
1355
    }
1356

1357 1358 1359
    if (Completed[0] == 0 && User_typed[0])
      return 0;

1360 1361 1362 1363 1364 1365 1366 1367 1368
    /* Num_matched will _always_ be atleast 1 since the initial
     * user-typed string is always stored */
    if (numtabs == 1 && Num_matched == 2)
      snprintf(Completed, sizeof(Completed),"%s", Matches[0]);
    else if (numtabs > 1 && Num_matched > 2)
    /* cycle thru all the matches */
      snprintf(Completed, sizeof(Completed), "%s", 
	       Matches[(numtabs - 2) % Num_matched]);

1369
    strncpy (pt, Completed, buffer + len - pt - spaces);
Thomas Roessler's avatar
Thomas Roessler committed
1370
  }
1371
  else if (!mutt_strncmp (buffer, "exec", 4))
1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416
  {
    struct binding_t *menu = km_get_table (CurrentMenu);

    if (!menu && CurrentMenu != MENU_PAGER)
      menu = OpGeneric;
    
    pt++;
    /* first TAB. Collect all the matches */
    if (numtabs == 1)
    {
      Num_matched = 0;
      strfcpy (User_typed, pt, sizeof (User_typed));
      memset (Matches, 0, sizeof (Matches));
      memset (Completed, 0, sizeof (Completed));
      for (num = 0; menu[num].name; num++)
	candidate (Completed, User_typed, menu[num].name, sizeof (Completed));
      /* try the generic menu */
      if (Completed[0] == 0 && CurrentMenu != MENU_PAGER) 
      {
	menu = OpGeneric;
	for (num = 0; menu[num].name; num++)
	  candidate (Completed, User_typed, menu[num].name, sizeof (Completed));
      }
      Matches[Num_matched++] = User_typed;

      /* All matches are stored. Longest non-ambiguous string is ""
       * i.e. dont change 'buffer'. Fake successful return this time */
      if (User_typed[0] == 0)
	return 1;
    }

    if (Completed[0] == 0 && User_typed[0])
      return 0;

    /* Num_matched will _always_ be atleast 1 since the initial
     * user-typed string is always stored */
    if (numtabs == 1 && Num_matched == 2)
      snprintf(Completed, sizeof(Completed),"%s", Matches[0]);
    else if (numtabs > 1 && Num_matched > 2)
    /* cycle thru all the matches */
      snprintf(Completed, sizeof(Completed), "%s", 
	       Matches[(numtabs - 2) % Num_matched]);

    strncpy (pt, Completed, buffer + len - pt - spaces);
  }
Thomas Roessler's avatar
Thomas Roessler committed
1417 1418
  else
    return 0;
1419

Thomas Roessler's avatar
Thomas Roessler committed
1420 1421 1422
  return 1;
}

1423
int mutt_var_value_complete (char *buffer, size_t len, int pos)
1424
{
1425 1426
  char var[STRING], *pt = buffer;
  int spaces;
1427 1428 1429 1430
  
  if (buffer[0] == 0)
    return 0;

1431
  SKIPWS (buffer);
1432
  spaces = buffer - pt;
1433

1434
  pt = buffer + pos - spaces;
1435 1436 1437 1438 1439 1440
  while ((pt > buffer) && !isspace ((unsigned char) *pt))
    pt--;
  pt++; /* move past the space */
  if (*pt == '=') /* abort if no var before the '=' */
    return 0;

1441
  if (mutt_strncmp (buffer, "set", 3) == 0)
1442
  {
1443
    int idx;
1444 1445
    strfcpy (var, pt, sizeof (var));
    /* ignore the trailing '=' when comparing */
1446
    var[mutt_strlen (var) - 1] = 0;
1447 1448 1449
    if ((idx = mutt_option_index (var)) == -1) 
      return 0; /* no such variable. */
    else
1450
    {
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460
      char tmp [LONG_STRING];
      size_t dlen = buffer + len - pt - spaces;
      char *vals[] = { "no", "yes", "ask-no", "ask-yes" };
      strfcpy (tmp, pt, sizeof(tmp));
      
      if ((DTYPE(MuttVars[idx].type) == DT_STR) || 
	  (DTYPE(MuttVars[idx].type) == DT_PATH) ||
	  (DTYPE(MuttVars[idx].type) == DT_RX))
	snprintf(pt, dlen, "%s\"%s\"", tmp, 
		  NONULL (*((char **) MuttVars[idx].data)));
1461 1462 1463 1464 1465
      else if (DTYPE (MuttVars[idx].type) == DT_ADDR)
      {
	*pt = '\0';
	rfc822_write_address (pt, dlen, *((ADDRESS **) MuttVars[idx].data));
      }
1466 1467 1468 1469
      else if (DTYPE (MuttVars[idx].type) == DT_QUAD)
	snprintf(pt, dlen, "%s%s", tmp,  vals[quadoption (MuttVars[idx].data)]);
      else if (DTYPE (MuttVars[idx].type) == DT_NUM)
	snprintf (pt, dlen, "%s%d", tmp, (*((short *) MuttVars[idx].data)));
1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
      else if (DTYPE (MuttVars[idx].type) == DT_SORT)
      {
	const struct mapping_t *map;
	char *p;

	switch (MuttVars[idx].type & DT_SUBTYPE_MASK)
	{
	  case DT_SORT_ALIAS:
	    map = SortAliasMethods;
	    break;
	  case DT_SORT_BROWSER:
	    map = SortBrowserMethods;
	    break;
Thomas Roessler's avatar
Thomas Roessler committed
1483 1484 1485 1486 1487
#ifdef _PGPPATH
	  case DT_SORT_KEYS:
	    map = SortKeyMethods;
	    break;
#endif
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497
	  default:
	    map = SortMethods;
	    break;
	}
	p = mutt_getnamebyvalue (*((short *) MuttVars[idx].data) & SORT_MASK, map);
	snprintf (pt, dlen, "%s\"%s%s%s\"", tmp,
		  (*((short *) MuttVars[idx].data) & SORT_REVERSE) ? "reverse-" : "",
		  (*((short *) MuttVars[idx].data) & SORT_LAST) ? "last-" : "",
		  p);
      }
Thomas Roessler's avatar
Thomas Roessler committed
1498 1499 1500
      else if (DTYPE (MuttVars[idx].type) == DT_BOOL)
	snprintf (pt, dlen, "%s%s", tmp, 
		  option (MuttVars[idx].data) ? "yes" : "no");
1501 1502 1503
      else
	return 0;
      return 1;
1504
    }
1505 1506 1507 1508
  }
  return 0;
}

Thomas Roessler's avatar
Thomas Roessler committed
1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523
char *mutt_getnamebyvalue (int val, const struct mapping_t *map)
{
  int i;

  for (i=0; map[i].name; i++)
    if (map[i].value == val)
      return (map[i].name);
  return NULL;
}

int mutt_getvaluebyname (const char *name, const struct mapping_t *map)
{
  int i;

  for (i = 0; map[i].name; i++)
1524
    if (mutt_strcasecmp (map[i].name, name) == 0)
Thomas Roessler's avatar
Thomas Roessler committed
1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539
      return (map[i].value);
  return (-1);
}

#ifdef DEBUG
static void start_debug (void)
{
  time_t t;
  int i;
  char buf[_POSIX_PATH_MAX];
  char buf2[_POSIX_PATH_MAX];

  /* rotate the old debug logs */
  for (i=3; i>=0; i--)
  {
Thomas Roessler's avatar
Thomas Roessler committed
1540 1541
    snprintf (buf, sizeof(buf), "%s/.muttdebug%d", NONULL(Homedir), i);
    snprintf (buf2, sizeof(buf2), "%s/.muttdebug%d", NONULL(Homedir), i+1);
Thomas Roessler's avatar
Thomas Roessler committed
1542 1543 1544 1545 1546
    rename (buf, buf2);
  }
  if ((debugfile = safe_fopen(buf, "w")) != NULL)
  {
    t = time (0);
1547
    setbuf (debugfile, NULL); /* don't buffer the debugging output! */
Thomas Roessler's avatar
Thomas Roessler committed
1548
    fprintf (debugfile, "Mutt %s started at %s.\nDebugging at level %d.\n\n",
1549
	     MUTT_VERSION, asctime (localtime (&t)), debuglevel);
Thomas Roessler's avatar
Thomas Roessler committed
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
  }
}
#endif

static int mutt_execute_commands (LIST *p)
{
  BUFFER err, token;
  char errstr[SHORT_STRING];

  memset (&err, 0, sizeof (err));
  err.data = errstr;
  err.dsize = sizeof (errstr);
  memset (&token, 0, sizeof (token));
  for (; p; p = p->next)
  {
    if (mutt_parse_rc_line (p->data, &token, &err) != 0)
    {
1567
      fprintf (stderr, _("Error in command line: %s\n"), err.data);
Thomas Roessler's avatar
Thomas Roessler committed
1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609
      FREE (&token.data);
      return (-1);
    }
  }
  FREE (&token.data);
  return 0;
}

void mutt_init (int skip_sys_rc, LIST *commands)
{
  struct passwd *pw;
  struct utsname utsname;
  char *p, buffer[STRING], error[STRING];
  int i, default_rc = 0, need_pause = 0;
  BUFFER err;

  memset (&err, 0, sizeof (err));
  err.data = error;
  err.dsize = sizeof (error);

  /* on one of the systems I use, getcwd() does not return the same prefix
     as is listed in the passwd file */
  if ((p = getenv ("HOME")))
    Homedir = safe_strdup (p);

  /* Get some information about the user */
  if ((pw = getpwuid (getuid ())))
  {
    Username = safe_strdup (pw->pw_name);
    if (!Homedir)
      Homedir = safe_strdup (pw->pw_dir);
    if ((p = strchr (pw->pw_gecos, ',')))
      Realname = mutt_substrdup (pw->pw_gecos, p);
    else
      Realname = safe_strdup (pw->pw_gecos);
    Shell = safe_strdup (pw->pw_shell);
  }
  else 
  {
    if (!Homedir)
    {
      mutt_endwin (NULL);
1610
      fputs (_("unable to determine home directory"), stderr);
Thomas Roessler's avatar
Thomas Roessler committed
1611 1612 1613 1614 1615 1616 1617
      exit (1);
    }
    if ((p = getenv ("USER")))
      Username = safe_strdup (p);
    else
    {
      mutt_endwin (NULL);
1618
      fputs (_("unable to determine username"), stderr);
Thomas Roessler's avatar
Thomas Roessler committed
1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647
      exit (1);
    }
    Shell = safe_strdup ((p = getenv ("SHELL")) ? p : "/bin/sh");
  }

#ifdef DEBUG
  /* Start up debugging mode if requested */
  if (debuglevel > 0)
    start_debug ();
#endif

  /* And about the host... */
  uname (&utsname);
  /* some systems report the FQDN instead of just the hostname */
  if ((p = strchr (utsname.nodename, '.')))
  {
    Hostname = mutt_substrdup (utsname.nodename, p);
    p++;
    strfcpy (buffer, p, sizeof (buffer)); /* save the domain for below */
  }
  else
    Hostname = safe_strdup (utsname.nodename);

#ifndef DOMAIN
#define DOMAIN buffer
  if (!p && getdnsdomainname (buffer, sizeof (buffer)) == -1)
    Fqdn = safe_strdup ("@");
  else
#endif /* DOMAIN */
1648
    if (*DOMAIN != '@')
Thomas Roessler's avatar
Thomas Roessler committed
1649
  {
1650
    Fqdn = safe_malloc (mutt_strlen (DOMAIN) + mutt_strlen (Hostname) + 2);
Thomas Roessler's avatar
Thomas Roessler committed
1651
    sprintf (Fqdn, "%s.%s", NONULL(Hostname), DOMAIN);
Thomas Roessler's avatar
Thomas Roessler committed
1652
  }
1653 1654
  else
    Fqdn = safe_strdup(NONULL(Hostname));
Thomas Roessler's avatar
Thomas Roessler committed
1655 1656 1657 1658 1659 1660

  if ((p = getenv ("MAIL")))
    Spoolfile = safe_strdup (p);
  else
  {
#ifdef HOMESPOOL
Thomas Roessler's avatar
Thomas Roessler committed
1661
    snprintf (buffer, sizeof (buffer), "%s/%s", NONULL(Homedir), MAILPATH);
Thomas Roessler's avatar
Thomas Roessler committed
1662
#else
Thomas Roessler's avatar
Thomas Roessler committed
1663
    snprintf (buffer, sizeof (buffer), "%s/%s", MAILPATH, NONULL(Username));
Thomas Roessler's avatar
Thomas Roessler committed
1664 1665 1666 1667 1668 1669 1670 1671 1672
#endif
    Spoolfile = safe_strdup (buffer);
  }

  if ((p = getenv ("MAILCAPS")))
    MailcapPath = safe_strdup (p);
  else
  {
    /* Default search path from RFC1524 */
1673
    MailcapPath = safe_strdup ("~/.mailcap:" SHAREDIR "/mailcap:" SYSCONFDIR "/mailcap:/etc/mailcap:/usr/etc/mailcap:/usr/local/etc/mailcap");
Thomas Roessler's avatar
Thomas Roessler committed
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692
  }

  Tempdir = safe_strdup ((p = getenv ("TMPDIR")) ? p : "/tmp");

#ifdef USE_POP
  PopUser = safe_strdup (Username);
#endif

  Editor = safe_strdup ((p = getenv ("EDITOR")) ? p : "vi");
  Visual = safe_strdup ((p = getenv ("VISUAL")) ? p : Editor);

  if ((p = getenv ("REPLYTO")) != NULL)
  {
    BUFFER buf, token;

    snprintf (buffer, sizeof (buffer), "Reply-To: %s", p);

    memset (&buf, 0, sizeof (buf));
    buf.data = buf.dptr = buffer;
1693
    buf.dsize = mutt_strlen (buffer);
Thomas Roessler's avatar
Thomas Roessler committed
1694 1695 1696 1697 1698 1699 1700 1701 1702 1703

    memset (&token, 0, sizeof (token));
    parse_my_hdr (&token, &buf, 0, &err);
    FREE (&token.data);
  }

  /* Set standard defaults */
  for (i = 0; MuttVars[i].option; i++)
    mutt_restore_default (&MuttVars[i]);

1704 1705
  CurrentMenu = MENU_MAIN