source: functions.c @ 9a2ae6c

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Last change on this file since 9a2ae6c was 9a2ae6c, checked in by Geoffrey Thomas <geofft@mit.edu>, 12 years ago
Clean up some uses of owl_malloc/sprintf to owl_sprintf for security.
  • Property mode set to 100644
File size: 98.5 KB
Line 
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15static const char fileIdent[] = "$Id$";
16
17void owl_function_noop(void)
18{
19  return;
20}
21
22char *owl_function_command(char *cmdbuff)
23{
24  owl_function_debugmsg("executing command: %s", cmdbuff);
25  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
26                             owl_global_get_context(&g), cmdbuff);
27}
28
29char *owl_function_command_argv(char **argv, int argc)
30{
31  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
32                                  owl_global_get_context(&g),
33                                  argv, argc);
34}
35
36void owl_function_command_norv(char *cmdbuff)
37{
38  char *rv;
39  rv=owl_function_command(cmdbuff);
40  if (rv) owl_free(rv);
41}
42
43void owl_function_command_alias(char *alias_from, char *alias_to)
44{
45  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
46}
47
48owl_cmd *owl_function_get_cmd(char *name)
49{
50  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
51}
52
53void owl_function_show_commands()
54{
55  owl_list l;
56  owl_fmtext fm;
57
58  owl_fmtext_init_null(&fm);
59  owl_fmtext_append_bold(&fm, "Commands:  ");
60  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
61  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
62  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
63  owl_fmtext_append_normal(&fm, "\n");
64  owl_function_popless_fmtext(&fm);
65  owl_cmddict_namelist_free(&l);
66  owl_fmtext_free(&fm);
67}
68
69void owl_function_show_view(char *viewname)
70{
71  owl_view *v;
72  owl_fmtext fm;
73
74  /* we only have the one view right now */
75  v=owl_global_get_current_view(&g);
76  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
77    owl_function_error("No view named '%s'", viewname);
78    return;
79  }
80
81  owl_fmtext_init_null(&fm);
82  owl_view_to_fmtext(v, &fm);
83  owl_function_popless_fmtext(&fm);
84  owl_fmtext_free(&fm);
85}
86
87void owl_function_show_styles() {
88  owl_list l;
89  owl_fmtext fm;
90
91  owl_fmtext_init_null(&fm);
92  owl_fmtext_append_bold(&fm, "Styles:\n");
93  owl_global_get_style_names(&g, &l);
94  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
95  owl_fmtext_append_normal(&fm, "\n");
96  owl_function_popless_fmtext(&fm);
97  owl_list_free_all(&l, owl_free);
98  owl_fmtext_free(&fm);
99}
100
101char *owl_function_style_describe(void *name) {
102  char *desc, *s;
103  owl_style *style;
104  style = owl_global_get_style_by_name(&g, name);
105  if (style) {
106    desc = owl_style_get_description(style);
107  } else {
108    desc = "???";
109  }
110  s = owl_sprintf("%-20s - %s%s", name, 
111                  0==owl_style_validate(style)?"":"[INVALID] ",
112                  desc);
113  return s;
114}
115
116char *owl_function_cmd_describe(void *name)
117{
118  owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
119  if (cmd) return owl_cmd_describe(cmd);
120  else return(NULL);
121}
122
123void owl_function_show_command(char *name)
124{
125  owl_function_help_for_command(name);
126}
127
128void owl_function_show_license()
129{
130  char *text;
131
132  text=""
133    "barnowl version " OWL_VERSION_STRING "\n"
134    "Copyright (c) 2006-2008 The BarnOwl Developers. All rights reserved.\n"
135    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
136    "\n"
137    "Redistribution and use in source and binary forms, with or without\n"
138    "modification, are permitted provided that the following conditions are\n"
139    "met:\n"
140    "\n"
141    "   * Redistributions of source code must retain the above copyright\n"
142    "     notice, this list of conditions and the following disclaimer.\n"
143    "\n"
144    "   * Redistributions in binary form must reproduce the above copyright\n"
145    "     notice, this list of conditions and the following disclaimer in\n"
146    "     the documentation and/or other materials provided with the\n"
147    "     distribution.\n"
148    "\n"
149    "   * Redistributions in any form must be accompanied by information on\n"
150    "     how to obtain complete source code for the Owl software and any\n"
151    "     accompanying software that uses the Owl software. The source code\n"
152    "     must either be included in the distribution or be available for no\n"
153    "     more than the cost of distribution plus a nominal fee, and must be\n"
154    "     freely redistributable under reasonable conditions. For an\n"
155    "     executable file, complete source code means the source code for\n"
156    "     all modules it contains. It does not include source code for\n"
157    "     modules or files that typically accompany the major components of\n"
158    "     the operating system on which the executable file runs.\n"
159    "\n"
160    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
161    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
162    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
163    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
164    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
165    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
166    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
167    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
168    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
169    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
170    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
171  owl_function_popless_text(text);
172}
173
174void owl_function_show_quickstart()
175{
176    char *message =
177    "Move between messages with the arrow keys, and press 'r' to reply.\n"
178    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
179#ifdef HAVE_LIBZEPHYR
180    "@b(Zephyr:)\n"
181    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
182    "press 'z' and then type the username. To subscribe to a class, type\n"
183    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
184#endif
185    "@b(AIM:)\n"
186    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
187    "or 'a' and then the screen name, to send someone a message.\n\n"
188    ;
189
190    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
191        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
192        if (perlquickstart) {
193            char *result = owl_sprintf("%s%s", message, perlquickstart);
194            owl_function_adminmsg("BarnOwl Quickstart", result);
195            owl_free(result);
196            owl_free(perlquickstart);
197            return;
198        }
199    }
200    owl_function_adminmsg("BarnOwl Quickstart", message);
201}
202
203
204/* Create an admin message, append it to the global list of messages
205 * and redisplay if necessary.
206 */
207void owl_function_adminmsg(char *header, char *body)
208{
209  owl_message *m;
210
211  m=owl_malloc(sizeof(owl_message));
212  owl_message_create_admin(m, header, body);
213 
214  /* add it to the global list and current view */
215  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
216  owl_view_consider_message(owl_global_get_current_view(&g), m);
217
218  /* do followlast if necessary */
219  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
220
221  /* redisplay etc. */
222  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
223  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
224    owl_popwin_refresh(owl_global_get_popwin(&g));
225  }
226  wnoutrefresh(owl_global_get_curs_recwin(&g));
227  owl_global_set_needrefresh(&g);
228}
229
230/* Create an outgoing zephyr message and return a pointer to it.  Does
231 * not put it on the global queue, use owl_function_add_message() for
232 * that.
233 */
234owl_message *owl_function_make_outgoing_zephyr(char *body, char *zwriteline, char *zsig)
235{
236  owl_message *m;
237  owl_zwrite z;
238 
239  /* create a zwrite for the purpose of filling in other message fields */
240  owl_zwrite_create_from_line(&z, zwriteline);
241
242  /* create the message */
243  m=owl_malloc(sizeof(owl_message));
244  owl_message_create_from_zwriteline(m, zwriteline, body, zsig);
245  owl_zwrite_free(&z);
246
247  return(m);
248}
249
250/* Create an outgoing AIM message, returns a pointer to the created
251 * message or NULL if we're not logged into AIM (and thus unable to
252 * create the message).  Does not put it on the global queue.  Use
253 * owl_function_add_message() for that .
254 */
255owl_message *owl_function_make_outgoing_aim(char *body, char *to)
256{
257  owl_message *m;
258
259  /* error if we're not logged into aim */
260  if (!owl_global_is_aimloggedin(&g)) return(NULL);
261 
262  m=owl_malloc(sizeof(owl_message));
263  owl_message_create_aim(m,
264                         owl_global_get_aim_screenname(&g),
265                         to,
266                         body,
267                         OWL_MESSAGE_DIRECTION_OUT,
268                         0);
269  return(m);
270}
271
272/* Create an outgoing loopback message and return a pointer to it.
273 * Does not append it to the global queue, use
274 * owl_function_add_message() for that.
275 */
276owl_message *owl_function_make_outgoing_loopback(char *body)
277{
278  owl_message *m;
279
280  /* create the message */
281  m=owl_malloc(sizeof(owl_message));
282  owl_message_create_loopback(m, body);
283  owl_message_set_direction_out(m);
284
285  return(m);
286}
287
288void owl_function_zwrite_setup(char *line)
289{
290  owl_editwin *e;
291  char buff[1024];
292  owl_zwrite z;
293  int ret;
294
295  /* check the arguments */
296  ret=owl_zwrite_create_from_line(&z, line);
297  if (ret) {
298    owl_function_error("Error in zwrite arguments");
299    owl_zwrite_free(&z);
300    return;
301  }
302
303  /* send a ping if necessary */
304  if (owl_global_is_txping(&g)) {
305    owl_zwrite_send_ping(&z);
306  }
307  owl_zwrite_free(&z);
308
309  /* create and setup the editwin */
310  e=owl_global_get_typwin(&g);
311  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
312
313  if (!owl_global_get_lockout_ctrld(&g)) {
314    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
315  } else {
316    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
317  }
318
319  owl_editwin_clear(e);
320  owl_editwin_set_dotsend(e);
321  strcpy(buff, "----> ");
322  strncat(buff, line, 1016);
323  strcat(buff, "\n");
324  owl_editwin_set_locktext(e, buff);
325
326  /* make it active */
327  owl_global_set_typwin_active(&g);
328
329  owl_global_set_buffercommand(&g, line);
330  owl_global_set_buffercallback(&g, &owl_callback_zwrite);
331}
332
333void owl_function_aimwrite_setup(char *line)
334{
335  owl_editwin *e;
336  char buff[1024];
337
338  /* check the arguments */
339
340  /* create and setup the editwin */
341  e=owl_global_get_typwin(&g);
342  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
343
344  if (!owl_global_get_lockout_ctrld(&g)) {
345    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
346  } else {
347    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
348  }
349
350  owl_editwin_clear(e);
351  owl_editwin_set_dotsend(e);
352  strcpy(buff, "----> ");
353  strcat(buff, line);
354  strcat(buff, "\n");
355  owl_editwin_set_locktext(e, buff);
356
357  /* make it active */
358  owl_global_set_typwin_active(&g);
359
360  owl_global_set_buffercommand(&g, line);
361  owl_global_set_buffercallback(&g, &owl_callback_aimwrite);
362}
363
364void owl_function_loopwrite_setup()
365{
366  owl_editwin *e;
367
368  /* create and setup the editwin */
369  e=owl_global_get_typwin(&g);
370  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
371
372  if (!owl_global_get_lockout_ctrld(&g)) {
373    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
374  } else {
375    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
376  }
377
378  owl_editwin_clear(e);
379  owl_editwin_set_dotsend(e);
380  owl_editwin_set_locktext(e, "----> loopwrite\n");
381
382  /* make it active */
383  owl_global_set_typwin_active(&g);
384
385  owl_global_set_buffercommand(&g, "loopwrite");
386  owl_global_set_buffercallback(&g, &owl_callback_loopwrite);
387}
388
389void owl_callback_zwrite(owl_editwin *e) {
390  owl_function_zwrite(owl_editwin_get_command(e),
391                      owl_editwin_get_text(e));
392}
393
394/* send, log and display an outgoing zephyr.  If 'msg' is NULL
395 * the message is expected to be set from the zwrite line itself
396 */
397void owl_function_zwrite(char *line, char *msg)
398{
399  owl_zwrite z;
400  char *mymsg;
401  owl_message *m;
402
403  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
404    owl_function_zcrypt(line, msg);
405    return;
406  }
407
408  /* create the zwrite and send the message */
409  owl_zwrite_create_from_line(&z, line);
410  owl_zwrite_populate_zsig(&z);
411  if (msg) {
412    owl_zwrite_set_message(&z, msg);
413  }
414  owl_zwrite_send_message(&z);
415  owl_function_makemsg("Waiting for ack...");
416
417  /* If it's personal */
418  if (owl_zwrite_is_personal(&z)) {
419    /* create the outgoing message */
420    mymsg=owl_zwrite_get_message(&z);
421    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
422
423    if (m) {
424      owl_global_messagequeue_addmsg(&g, m);
425    } else {
426      owl_function_error("Could not create outgoing zephyr message");
427    }
428  }
429
430  /* free the zwrite */
431  owl_zwrite_free(&z);
432}
433
434/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
435 * the message is expected to be set from the zwrite line itself
436 */
437void owl_function_zcrypt(char *line, char *msg)
438{
439  owl_zwrite z;
440  char *mymsg;
441  char *cryptmsg;
442  owl_message *m;
443#ifdef OWL_ENABLE_ZCRYPT
444  int ret;
445#endif
446
447  /* create the zwrite and send the message */
448  owl_zwrite_create_from_line(&z, line);
449  owl_zwrite_populate_zsig(&z);
450  if (msg) {
451    owl_zwrite_set_message(&z, msg);
452  }
453
454  mymsg=owl_zwrite_get_message(&z);
455#ifdef OWL_ENABLE_ZCRYPT
456  /* Allocate enough space for the crypted message. For each byte of
457   * the message, the encoded cyphertext will have two bytes. Block
458   * size is 8 bytes of input, or 16 bytes of output, so make sure we
459   * have at least one block worth of space allocated. If the message
460   * is empty, no blocks are sent, but we still allocate one
461   * block. The additional 16 bytes also provide space for the null
462   * terminator, as we will never use all of it for cyphertext.
463   */
464  cryptmsg=owl_malloc((strlen(mymsg)*2)+16);
465  ret=owl_zcrypt_encrypt(cryptmsg, mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
466  if (ret) {
467    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
468    owl_function_beep();
469    owl_free(cryptmsg);
470    owl_zwrite_free(&z);
471    return;
472  }
473#else
474  cryptmsg=owl_strdup(mymsg);
475#endif
476
477  owl_zwrite_set_message(&z, cryptmsg);
478  owl_zwrite_set_opcode(&z, "crypt");
479  mymsg=cryptmsg;
480   
481  owl_zwrite_send_message(&z);
482  owl_function_makemsg("Waiting for ack...");
483
484  /* If it's personal */
485  if (owl_zwrite_is_personal(&z)) {
486    /* create the outgoing message */
487    mymsg=owl_zwrite_get_message(&z);
488    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
489    if (m) {
490      owl_global_messagequeue_addmsg(&g, m);
491    } else {
492      owl_function_error("Could not create outgoing zephyr message");
493    }
494  }
495
496  /* free the zwrite */
497  owl_free(cryptmsg);
498  owl_zwrite_free(&z);
499}
500
501void owl_callback_aimwrite(owl_editwin *e) {
502  owl_function_aimwrite(owl_editwin_get_command(e),
503                        owl_editwin_get_text(e));
504}
505
506void owl_function_aimwrite(char *line, char *msg)
507{
508  int ret;
509  char *to, *format_msg;
510  owl_message *m;
511
512  to = line + 9;
513
514  /* make a formatted copy of the message */
515  format_msg=owl_strdup(msg);
516  owl_text_wordunwrap(format_msg);
517 
518  /* send the message */
519  ret=owl_aim_send_im(to, format_msg);
520  if (!ret) {
521    owl_function_makemsg("AIM message sent.");
522  } else {
523    owl_function_error("Could not send AIM message.");
524  }
525
526  /* create the outgoing message */
527  m=owl_function_make_outgoing_aim(msg, to);
528
529  if (m) {
530    owl_global_messagequeue_addmsg(&g, m);
531  } else {
532    owl_function_error("Could not create outgoing AIM message");
533  }
534
535  owl_free(format_msg);
536}
537
538void owl_function_send_aimawymsg(char *to, char *msg)
539{
540  int ret;
541  char *format_msg;
542  owl_message *m;
543
544  /* make a formatted copy of the message */
545  format_msg=owl_strdup(msg);
546  owl_text_wordunwrap(format_msg);
547 
548  /* send the message */
549  ret=owl_aim_send_awaymsg(to, format_msg);
550  if (!ret) {
551    /* owl_function_makemsg("AIM message sent."); */
552  } else {
553    owl_function_error("Could not send AIM message.");
554  }
555
556  /* create the message */
557  m=owl_function_make_outgoing_aim(msg, to);
558  if (m) {
559    owl_global_messagequeue_addmsg(&g, m);
560  } else {
561    owl_function_error("Could not create AIM message");
562  }
563  owl_free(format_msg);
564}
565
566void owl_callback_loopwrite(owl_editwin *e) {
567  owl_function_loopwrite(owl_editwin_get_text(e));
568}
569
570void owl_function_loopwrite(char *msg)
571{
572  owl_message *min, *mout;
573
574  /* create a message and put it on the message queue.  This simulates
575   * an incoming message */
576  min=owl_malloc(sizeof(owl_message));
577  mout=owl_function_make_outgoing_loopback(msg);
578
579  if (owl_global_is_displayoutgoing(&g)) {
580    owl_global_messagequeue_addmsg(&g, mout);
581  } else {
582    owl_message_free(mout);
583  }
584
585  owl_message_create_loopback(min, msg);
586  owl_message_set_direction_in(min);
587  owl_global_messagequeue_addmsg(&g, min);
588
589  /* fake a makemsg */
590  owl_function_makemsg("loopback message sent");
591}
592
593/* If filter is non-null, looks for the next message matching
594 * that filter.  If skip_deleted, skips any deleted messages.
595 * If last_if_none, will stop at the last message in the view
596 * if no matching messages are found.  */
597void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none)
598{
599  int curmsg, i, viewsize, found;
600  owl_view *v;
601  owl_filter *f = NULL;
602  owl_message *m;
603
604  v=owl_global_get_current_view(&g);
605
606  if (filter) {
607    f=owl_global_get_filter(&g, filter);
608    if (!f) {
609      owl_function_error("No %s filter defined", filter);
610      return;
611    }
612  }
613
614  curmsg=owl_global_get_curmsg(&g);
615  viewsize=owl_view_get_size(v);
616  found=0;
617
618  /* just check to make sure we're in bounds... */
619  if (curmsg>viewsize-1) curmsg=viewsize-1;
620  if (curmsg<0) curmsg=0;
621
622  for (i=curmsg+1; i<viewsize; i++) {
623    m=owl_view_get_element(v, i);
624    if (skip_deleted && owl_message_is_delete(m)) continue;
625    if (f && !owl_filter_message_match(f, m)) continue;
626    found = 1;
627    break;
628  }
629
630  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
631  if (i<0) i=0;
632
633  if (!found) {
634    owl_function_makemsg("already at last%s message%s%s%s",
635                         skip_deleted?" non-deleted":"",
636                         filter?" in ":"", filter?filter:"",
637                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
638                         ", press Enter to scroll" : "");
639    /* if (!skip_deleted) owl_function_beep(); */
640  }
641
642  if (last_if_none || found) {
643    owl_global_set_curmsg(&g, i);
644    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
645    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
646    owl_global_set_direction_downwards(&g);
647  }
648}
649
650void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none)
651{
652  int curmsg, i, viewsize, found;
653  owl_view *v;
654  owl_filter *f = NULL;
655  owl_message *m;
656
657  v=owl_global_get_current_view(&g);
658
659  if (filter) {
660    f=owl_global_get_filter(&g, filter);
661    if (!f) {
662      owl_function_error("No %s filter defined", filter);
663      return;
664    }
665  }
666
667  curmsg=owl_global_get_curmsg(&g);
668  viewsize=owl_view_get_size(v);
669  found=0;
670
671  /* just check to make sure we're in bounds... */
672  if (curmsg<0) curmsg=0;
673
674  for (i=curmsg-1; i>=0; i--) {
675    m=owl_view_get_element(v, i);
676    if (skip_deleted && owl_message_is_delete(m)) continue;
677    if (f && !owl_filter_message_match(f, m)) continue;
678    found = 1;
679    break;
680  }
681
682  if (i<0) i=0;
683
684  if (!found) {
685    owl_function_makemsg("already at first%s message%s%s",
686                         skip_deleted?" non-deleted":"",
687                         filter?" in ":"", filter?filter:"");
688    /* if (!skip_deleted) owl_function_beep(); */
689  }
690
691  if (first_if_none || found) {
692    owl_global_set_curmsg(&g, i);
693    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
694    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
695    owl_global_set_direction_upwards(&g);
696  }
697}
698
699void owl_function_nextmsg()
700{
701  owl_function_nextmsg_full(NULL, 0, 1);
702}
703
704void owl_function_prevmsg()
705{
706  owl_function_prevmsg_full(NULL, 0, 1);
707}
708
709void owl_function_nextmsg_notdeleted()
710{
711  owl_function_nextmsg_full(NULL, 1, 1);
712}
713
714void owl_function_prevmsg_notdeleted()
715{
716  owl_function_prevmsg_full(NULL, 1, 1);
717}
718
719void owl_function_nextmsg_personal()
720{
721  owl_function_nextmsg_full("personal", 0, 0);
722}
723
724void owl_function_prevmsg_personal()
725{
726  owl_function_prevmsg_full("personal", 0, 0);
727}
728
729
730/* if move_after is 1, moves after the delete */
731void owl_function_deletecur(int move_after)
732{
733  int curmsg;
734  owl_view *v;
735
736  v=owl_global_get_current_view(&g);
737
738  /* bail if there's no current message */
739  if (owl_view_get_size(v) < 1) {
740    owl_function_error("No current message to delete");
741    return;
742  }
743
744  /* mark the message for deletion */
745  curmsg=owl_global_get_curmsg(&g);
746  owl_view_delete_element(v, curmsg);
747
748  if (move_after) {
749    /* move the poiner in the appropriate direction
750     * to the next undeleted msg */
751    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
752      owl_function_prevmsg_notdeleted();
753    } else {
754      owl_function_nextmsg_notdeleted();
755    }
756  }
757}
758
759void owl_function_undeletecur(int move_after)
760{
761  int curmsg;
762  owl_view *v;
763
764  v=owl_global_get_current_view(&g);
765 
766  if (owl_view_get_size(v) < 1) {
767    owl_function_error("No current message to undelete");
768    return;
769  }
770  curmsg=owl_global_get_curmsg(&g);
771
772  owl_view_undelete_element(v, curmsg);
773
774  if (move_after) {
775    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
776      if (curmsg>0) {
777        owl_function_prevmsg();
778      } else {
779        owl_function_nextmsg();
780      }
781    } else {
782      owl_function_nextmsg();
783    }
784  }
785
786  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
787}
788
789void owl_function_expunge()
790{
791  int curmsg;
792  owl_message *m;
793  owl_messagelist *ml;
794  owl_view *v;
795  int lastmsgid=0;
796
797  curmsg=owl_global_get_curmsg(&g);
798  v=owl_global_get_current_view(&g);
799  ml=owl_global_get_msglist(&g);
800
801  m=owl_view_get_element(v, curmsg);
802  if (m) lastmsgid = owl_message_get_id(m);
803
804  /* expunge the message list */
805  owl_messagelist_expunge(ml);
806
807  /* update all views (we only have one right now) */
808  owl_view_recalculate(v);
809
810  /* find where the new position should be
811     (as close as possible to where we last where) */
812  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
813  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
814  if (curmsg<0) curmsg = 0;
815  owl_global_set_curmsg(&g, curmsg);
816  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
817  /* if there are no messages set the direction to down in case we
818     delete everything upwards */
819  owl_global_set_direction_downwards(&g);
820 
821  owl_function_makemsg("Messages expunged");
822  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
823}
824
825void owl_function_firstmsg()
826{
827  owl_global_set_curmsg(&g, 0);
828  owl_global_set_topmsg(&g, 0);
829  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
830  owl_global_set_direction_downwards(&g);
831}
832
833void owl_function_lastmsg_noredisplay()
834{
835  int oldcurmsg, curmsg;
836  owl_view *v;
837
838  v=owl_global_get_current_view(&g);
839  oldcurmsg=owl_global_get_curmsg(&g);
840  curmsg=owl_view_get_size(v)-1; 
841  if (curmsg<0) curmsg=0;
842  owl_global_set_curmsg(&g, curmsg);
843  if (oldcurmsg < curmsg) {
844    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
845  } else if (curmsg<owl_view_get_size(v)) {
846    /* If already at the end, blank the screen and move curmsg
847     * past the end of the messages. */
848    owl_global_set_topmsg(&g, curmsg+1);
849    owl_global_set_curmsg(&g, curmsg+1);
850  } 
851  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
852  owl_global_set_direction_downwards(&g);
853}
854
855void owl_function_lastmsg()
856{
857  owl_function_lastmsg_noredisplay();
858  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
859}
860
861void owl_function_shift_right()
862{
863  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
864  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
865  owl_global_set_needrefresh(&g);
866}
867
868void owl_function_shift_left()
869{
870  int shift;
871
872  shift=owl_global_get_rightshift(&g);
873  if (shift>=10) {
874    owl_global_set_rightshift(&g, shift-10);
875    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
876    owl_global_set_needrefresh(&g);
877  } else {
878    owl_function_beep();
879    owl_function_makemsg("Already full left");
880  }
881}
882
883void owl_function_unsuball()
884{
885  unsuball();
886  owl_function_makemsg("Unsubscribed from all messages.");
887}
888
889
890/* Load zephyr subscriptions from the named 'file' and load zephyr's
891 * default subscriptions as well.  An error message is printed if
892 * 'file' can't be opened or if zephyr reports an error in
893 * subscribing.
894 *
895 * If 'file' is NULL, this look for the default filename
896 * $HOME/.zephyr.subs.  If the file can not be opened in this case
897 * only, no error message is printed.
898 */
899void owl_function_loadsubs(char *file)
900{
901  int ret, ret2;
902  char *foo, *path;
903
904  if (file==NULL) {
905    ret=owl_zephyr_loadsubs(NULL, 0);
906  } else {
907    path = owl_util_makepath(file);
908    ret=owl_zephyr_loadsubs(path, 1);
909    free(path);
910  }
911
912  /* for backwards compatibility for now */
913  ret2=owl_zephyr_loaddefaultsubs();
914
915  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
916
917  foo=file?file:"file";
918  if (ret==0 && ret2==0) {
919    if (!file) {
920      owl_function_makemsg("Subscribed to messages.");
921    } else {
922      owl_function_makemsg("Subscribed to messages from %s", file);
923    }
924  } else if (ret==-1) {
925    owl_function_error("Could not read %s", foo);
926  } else {
927    owl_function_error("Error subscribing to messages");
928  }
929}
930
931void owl_function_loadloginsubs(char *file)
932{
933  int ret;
934
935  ret=owl_zephyr_loadloginsubs(file);
936
937  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
938  if (ret==0) {
939    owl_function_makemsg("Subscribed to login messages from file.");
940  } else if (ret==-1) {
941    owl_function_error("Could not open file for login subscriptions.");
942  } else {
943    owl_function_error("Error subscribing to login messages from file.");
944  }
945}
946
947void owl_callback_aimlogin(owl_editwin *e) {
948  owl_function_aimlogin(owl_editwin_get_command(e),
949                        owl_editwin_get_text(e));
950}
951
952void owl_function_aimlogin(char *user, char *passwd) {
953  int ret;
954
955  /* clear the buddylist */
956  owl_buddylist_clear(owl_global_get_buddylist(&g));
957
958  /* try to login */
959  ret=owl_aim_login(user, passwd);
960  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
961}
962
963void owl_function_suspend()
964{
965  endwin();
966  printf("\n");
967  kill(getpid(), SIGSTOP);
968
969  /* resize to reinitialize all the windows when we come back */
970  owl_command_resize();
971}
972
973void owl_function_zaway_toggle()
974{
975  if (!owl_global_is_zaway(&g)) {
976    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
977    owl_function_zaway_on();
978  } else {
979    owl_function_zaway_off();
980  }
981}
982
983void owl_function_zaway_on()
984{
985  owl_global_set_zaway_on(&g);
986  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
987}
988
989void owl_function_zaway_off()
990{
991  owl_global_set_zaway_off(&g);
992  owl_function_makemsg("zaway off");
993}
994
995void owl_function_aaway_toggle()
996{
997  if (!owl_global_is_aaway(&g)) {
998    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
999    owl_function_aaway_on();
1000  } else {
1001    owl_function_aaway_off();
1002  }
1003}
1004
1005void owl_function_aaway_on()
1006{
1007  owl_global_set_aaway_on(&g);
1008  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
1009  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
1010}
1011
1012void owl_function_aaway_off()
1013{
1014  owl_global_set_aaway_off(&g);
1015  /* owl_aim_set_awaymsg(""); */
1016  owl_function_makemsg("AIM away off");
1017}
1018
1019void owl_function_quit()
1020{
1021  char *ret;
1022 
1023  /* zlog out if we need to */
1024  if (owl_global_is_shutdownlogout(&g)) {
1025    owl_zephyr_zlog_out();
1026  }
1027
1028  /* execute the commands in shutdown */
1029  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
1030  if (ret) owl_free(ret);
1031
1032  /* signal our child process, if any */
1033  if (owl_global_get_newmsgproc_pid(&g)) {
1034    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
1035  }
1036
1037  /* Quit zephyr */
1038  owl_zephyr_shutdown();
1039 
1040  /* Quit AIM */
1041  if (owl_global_is_aimloggedin(&g)) {
1042    owl_aim_logout();
1043  }
1044
1045  /* done with curses */
1046  endwin();
1047
1048  /* restore terminal settings */
1049  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
1050
1051  owl_function_debugmsg("Quitting Owl");
1052  exit(0);
1053}
1054
1055void owl_function_openurl()
1056{
1057  /* visit the first url in the current message */
1058  owl_message *m;
1059  owl_view *v;
1060  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
1061  int webbrowser;
1062
1063  webbrowser = owl_global_get_webbrowser(&g);
1064
1065  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
1066    owl_function_error("No browser selected");
1067    return;
1068  }
1069
1070  v=owl_global_get_current_view(&g);
1071 
1072  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1073
1074  if (!m || owl_view_get_size(v)==0) {
1075    owl_function_error("No current message selected");
1076    return;
1077  }
1078
1079  text=owl_message_get_text(m);
1080
1081  /* First look for a good URL */ 
1082  if ((ptr1=strstr(text, "http://"))!=NULL) {
1083    ptr2=strpbrk(ptr1, " \n\t");
1084    if (ptr2) {
1085      strncpy(url, ptr1, ptr2-ptr1+1);
1086      url[ptr2-ptr1+1]='\0';
1087    } else {
1088      strcpy(url, ptr1);
1089    }
1090
1091    /* if we had <http strip a trailing > */
1092    if (ptr1>text && ptr1[-1]=='<') {
1093      if (url[strlen(url)-1]=='>') {
1094        url[strlen(url)-1]='\0';
1095      }
1096    }
1097  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
1098    /* Look for an https URL */ 
1099    ptr2=strpbrk(ptr1, " \n\t");
1100    if (ptr2) {
1101      strncpy(url, ptr1, ptr2-ptr1+1);
1102      url[ptr2-ptr1+1]='\0';
1103    } else {
1104      strcpy(url, ptr1);
1105    }
1106   
1107    /* if we had <http strip a trailing > */
1108    if (ptr1>text && ptr1[-1]=='<') {
1109      if (url[strlen(url)-1]=='>') {
1110        url[strlen(url)-1]='\0';
1111      }
1112    }
1113  } else if ((ptr1=strstr(text, "www."))!=NULL) {
1114    /* if we can't find a real url look for www.something */
1115    ptr2=strpbrk(ptr1, " \n\t");
1116    if (ptr2) {
1117      strncpy(url, ptr1, ptr2-ptr1+1);
1118      url[ptr2-ptr1+1]='\0';
1119    } else {
1120      strcpy(url, ptr1);
1121    }
1122  } else {
1123    owl_function_beep();
1124    owl_function_error("Could not find URL to open.");
1125    return;
1126  }
1127
1128  /* Make sure there aren't any quotes or \'s in the url */
1129  for (ptr1 = url; *ptr1; ptr1++) {
1130    if (*ptr1 == '"' || *ptr1 == '\\') {
1131      owl_function_beep();
1132      owl_function_error("URL contains invalid characters.");
1133      return;
1134    }
1135  }
1136 
1137  /* NOTE: There are potentially serious security issues here... */
1138
1139  /* open the page */
1140  owl_function_makemsg("Opening %s", url);
1141  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
1142    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
1143    system(tmpbuff); 
1144  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
1145    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
1146    system(tmpbuff); 
1147  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
1148    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
1149    system(tmpbuff); 
1150  }
1151}
1152
1153void owl_function_calculate_topmsg(int direction)
1154{
1155  int recwinlines, topmsg, curmsg;
1156  owl_view *v;
1157
1158  v=owl_global_get_current_view(&g);
1159  curmsg=owl_global_get_curmsg(&g);
1160  topmsg=owl_global_get_topmsg(&g);
1161  recwinlines=owl_global_get_recwin_lines(&g);
1162
1163  /*
1164  if (owl_view_get_size(v) < 1) {
1165    return;
1166  }
1167  */
1168
1169  switch (owl_global_get_scrollmode(&g)) {
1170  case OWL_SCROLLMODE_TOP:
1171    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1172    break;
1173  case OWL_SCROLLMODE_NEARTOP:
1174    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1175    break;
1176  case OWL_SCROLLMODE_CENTER:
1177    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1178    break;
1179  case OWL_SCROLLMODE_PAGED:
1180    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1181    break;
1182  case OWL_SCROLLMODE_PAGEDCENTER:
1183    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1184    break;
1185  case OWL_SCROLLMODE_NORMAL:
1186  default:
1187    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1188  }
1189  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1190  owl_global_set_topmsg(&g, topmsg);
1191}
1192
1193/* Returns what the new topmsg should be. 
1194 * Passed the last direction of movement,
1195 * the current view,
1196 * the current message number in the view,
1197 * the top message currently being displayed,
1198 * and the number of lines in the recwin.
1199 */
1200int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1201{
1202  return(curmsg);
1203}
1204
1205int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1206{
1207  if (curmsg>0 
1208      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1209          <  recwinlines/2)) {
1210    return(curmsg-1);
1211  } else {
1212    return(curmsg);
1213  }
1214}
1215 
1216int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1217{
1218  int i, last, lines;
1219
1220  last = curmsg;
1221  lines = 0;
1222  for (i=curmsg-1; i>=0; i--) {
1223    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1224    if (lines > recwinlines/2) break;
1225    last = i;
1226  }
1227  return(last);
1228}
1229 
1230int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1231{
1232  int i, last, lines, savey;
1233 
1234  /* If we're off the top of the screen, scroll up such that the
1235   * curmsg is near the botton of the screen. */
1236  if (curmsg < topmsg) {
1237    last = curmsg;
1238    lines = 0;
1239    for (i=curmsg; i>=0; i--) {
1240      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1241      if (lines > recwinlines) break;
1242    last = i;
1243    }
1244    if (center_on_page) {
1245      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1246    } else {
1247      return(last);
1248    }
1249  }
1250
1251  /* Find number of lines from top to bottom of curmsg (store in savey) */
1252  savey=0;
1253  for (i=topmsg; i<=curmsg; i++) {
1254    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1255  }
1256
1257  /* if we're off the bottom of the screen, scroll down */
1258  if (savey > recwinlines) {
1259    if (center_on_page) {
1260      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1261    } else {
1262      return(curmsg);
1263    }
1264  }
1265
1266  /* else just stay as we are... */
1267  return(topmsg);
1268}
1269
1270int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1271{
1272  int savey, i, foo, y;
1273
1274  if (curmsg<0) return(topmsg);
1275   
1276  /* If we're off the top of the screen then center */
1277  if (curmsg<topmsg) {
1278    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1279  }
1280
1281  /* If curmsg is so far past topmsg that there are more messages than
1282     lines, skip the line counting that follows because we're
1283     certainly off screen.  */
1284  savey=curmsg-topmsg;
1285  if (savey <= recwinlines) {
1286    /* Find number of lines from top to bottom of curmsg (store in savey) */
1287    savey = 0;
1288    for (i=topmsg; i<=curmsg; i++) {
1289      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1290    }
1291  }
1292
1293  /* If we're off the bottom of the screen, set the topmsg to curmsg
1294   * and scroll upwards */
1295  if (savey > recwinlines) {
1296    topmsg=curmsg;
1297    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1298    direction=OWL_DIRECTION_UPWARDS;
1299  }
1300 
1301  /* If our bottom line is less than 1/4 down the screen then scroll up */
1302  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1303    if (savey < (recwinlines / 4)) {
1304      y=0;
1305      for (i=curmsg; i>=0; i--) {
1306        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1307        /* will we run the curmsg off the screen? */
1308        if ((foo+y) >= recwinlines) {
1309          i++;
1310          if (i>curmsg) i=curmsg;
1311          break;
1312        }
1313        /* have saved 1/2 the screen space? */
1314        y+=foo;
1315        if (y > (recwinlines / 2)) break;
1316      }
1317      if (i<0) i=0;
1318      return(i);
1319    }
1320  }
1321
1322  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1323    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1324    if (savey > ((recwinlines * 3)/4)) {
1325      y=0;
1326      /* count lines from the top until we can save 1/2 the screen size */
1327      for (i=topmsg; i<curmsg; i++) {
1328        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1329        if (y > (recwinlines / 2)) break;
1330      }
1331      if (i==curmsg) {
1332        i--;
1333      }
1334      return(i+1);
1335    }
1336  }
1337
1338  return(topmsg);
1339}
1340
1341void owl_function_resize()
1342{
1343  owl_global_set_resize_pending(&g);
1344}
1345
1346void owl_function_run_buffercommand()
1347{
1348  owl_editwin_do_callback(owl_global_get_typwin(&g));
1349}
1350
1351void owl_function_debugmsg(char *fmt, ...)
1352{
1353  FILE *file;
1354  time_t now;
1355  char buff1[LINE], buff2[LINE];
1356  va_list ap;
1357  va_start(ap, fmt);
1358
1359  if (!owl_global_is_debug_fast(&g)) return;
1360
1361  file=fopen(owl_global_get_debug_file(&g), "a");
1362  if (!file) return;
1363
1364  now=time(NULL);
1365  strcpy(buff1, ctime(&now));
1366  buff1[strlen(buff1)-1]='\0';
1367
1368  owl_global_get_runtime_string(&g, buff2);
1369 
1370  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
1371  vfprintf(file, fmt, ap);
1372  fprintf(file, "\n");
1373  fclose(file);
1374
1375  va_end(ap);
1376}
1377
1378void owl_function_refresh()
1379{
1380  owl_function_resize();
1381}
1382
1383void owl_function_beep()
1384{
1385  if (owl_global_is_bell(&g)) {
1386    beep();
1387    owl_global_set_needrefresh(&g); /* do we really need this? */
1388  }
1389}
1390
1391int owl_function_subscribe(char *class, char *inst, char *recip)
1392{
1393  int ret;
1394
1395  ret=owl_zephyr_sub(class, inst, recip);
1396  if (ret) {
1397    owl_function_error("Error subscribing.");
1398  } else {
1399    owl_function_makemsg("Subscribed.");
1400  }
1401  return(ret);
1402}
1403
1404void owl_function_unsubscribe(char *class, char *inst, char *recip)
1405{
1406  int ret;
1407
1408  ret=owl_zephyr_unsub(class, inst, recip);
1409  if (ret) {
1410    owl_function_error("Error subscribing.");
1411  } else {
1412    owl_function_makemsg("Unsubscribed.");
1413  }
1414}
1415
1416void owl_function_set_cursor(WINDOW *win)
1417{
1418  wnoutrefresh(win);
1419}
1420
1421void owl_function_full_redisplay()
1422{
1423  redrawwin(owl_global_get_curs_recwin(&g));
1424  redrawwin(owl_global_get_curs_sepwin(&g));
1425  /* Work around curses segfualts with windows off the screen */
1426  if (g.lines >= owl_global_get_typwin_lines(&g)+2)
1427      redrawwin(owl_global_get_curs_typwin(&g));
1428  if (g.lines >= 2)
1429      redrawwin(owl_global_get_curs_msgwin(&g));
1430
1431  wnoutrefresh(owl_global_get_curs_recwin(&g));
1432  wnoutrefresh(owl_global_get_curs_sepwin(&g));
1433  wnoutrefresh(owl_global_get_curs_typwin(&g));
1434  wnoutrefresh(owl_global_get_curs_msgwin(&g));
1435
1436  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
1437    owl_popwin_refresh(owl_global_get_popwin(&g));
1438  }
1439 
1440  sepbar("");
1441  owl_function_makemsg("");
1442
1443  owl_global_set_needrefresh(&g);
1444}
1445
1446void owl_function_popless_text(char *text)
1447{
1448  owl_popwin *pw;
1449  owl_viewwin *v;
1450
1451  pw=owl_global_get_popwin(&g);
1452  v=owl_global_get_viewwin(&g);
1453
1454  owl_popwin_up(pw);
1455  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1456                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1457                        text);
1458  owl_popwin_refresh(pw);
1459  owl_viewwin_redisplay(v, 0);
1460  owl_global_set_needrefresh(&g);
1461}
1462
1463void owl_function_popless_fmtext(owl_fmtext *fm)
1464{
1465  owl_popwin *pw;
1466  owl_viewwin *v;
1467
1468  pw=owl_global_get_popwin(&g);
1469  v=owl_global_get_viewwin(&g);
1470
1471  owl_popwin_up(pw);
1472  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1473                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1474                   fm);
1475  owl_popwin_refresh(pw);
1476  owl_viewwin_redisplay(v, 0);
1477  owl_global_set_needrefresh(&g);
1478}
1479
1480void owl_function_popless_file(char *filename)
1481{
1482  owl_fmtext fm;
1483  FILE *file;
1484  char buff[1024];
1485
1486  file=fopen(filename, "r");
1487  if (!file) {
1488    owl_function_error("Could not open file: %s", filename);
1489    return;
1490  }
1491
1492  owl_fmtext_init_null(&fm);
1493  while (fgets(buff, 1024, file)) {
1494    owl_fmtext_append_normal(&fm, buff);
1495    /*    owl_fmtext_append_normal(&fm, "\n"); */
1496  }
1497
1498  owl_function_popless_fmtext(&fm);
1499  owl_fmtext_free(&fm);
1500  fclose(file);
1501}
1502
1503void owl_function_about()
1504{
1505  char buff[5000];
1506
1507  sprintf(buff, "This is barnowl version %s\n\n", OWL_VERSION_STRING);
1508  strcat(buff, "barnowl is a fork of the Owl zephyr client, written and\n");
1509  strcat(buff, "maintained by Alejandro Sedeno and Nelson Elhage at the\n");
1510  strcat(buff, "Massachusetts Institute of Technology. \n");
1511  strcat(buff, "\n");
1512  strcat(buff, "Owl was written by James Kretchmar. The first version, 0.5, was\n");
1513  strcat(buff, "released in March 2002.\n");
1514  strcat(buff, "\n");
1515  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1516  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1517  strcat(buff, "between Witches and Wizards. The name 'barnowl' was chosen\n");
1518  strcat(buff, "because we feel our owls should live closer to our ponies.\n");
1519  strcat(buff, "\n");
1520  strcat(buff, "Copyright (c) 2006-2008 The BarnOwl Developers. All rights reserved.\n");
1521  strcat(buff, "Copyright (c) 2004 James Kretchmar. All rights reserved.\n");
1522  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1523  strcat(buff, "\n");
1524  strcat(buff, "This program is free software. You can redistribute it and/or\n");
1525  strcat(buff,  "modify under the terms of the Sleepycat License. Use the \n");
1526  strcat(buff,  "':show license' command to display the full license\n");
1527  owl_function_popless_text(buff);
1528}
1529
1530void owl_function_info()
1531{
1532  owl_message *m;
1533  owl_fmtext fm, attrfm;
1534  char buff[10000];
1535  owl_view *v;
1536#ifdef HAVE_LIBZEPHYR
1537  ZNotice_t *n;
1538#endif
1539
1540  owl_fmtext_init_null(&fm);
1541 
1542  v=owl_global_get_current_view(&g);
1543  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1544  if (!m || owl_view_get_size(v)==0) {
1545    owl_function_error("No message selected\n");
1546    return;
1547  }
1548
1549  owl_fmtext_append_bold(&fm, "General Information:\n");
1550  owl_fmtext_append_normal(&fm, "  Msg Id    : ");
1551  sprintf(buff, "%i", owl_message_get_id(m));
1552  owl_fmtext_append_normal(&fm, buff);
1553  owl_fmtext_append_normal(&fm, "\n");
1554
1555  owl_fmtext_append_normal(&fm, "  Type      : ");
1556  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1557  owl_fmtext_append_normal(&fm, "\n");
1558
1559  if (owl_message_is_direction_in(m)) {
1560    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1561  } else if (owl_message_is_direction_out(m)) {
1562    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1563  } else if (owl_message_is_direction_none(m)) {
1564    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1565  } else {
1566    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1567  }
1568
1569  owl_fmtext_append_normal(&fm, "  Time      : ");
1570  owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1571  owl_fmtext_append_normal(&fm, "\n");
1572
1573  if (!owl_message_is_type_admin(m)) {
1574    owl_fmtext_append_normal(&fm, "  Sender    : ");
1575    owl_fmtext_append_normal(&fm, owl_message_get_sender(m));
1576    owl_fmtext_append_normal(&fm, "\n");
1577   
1578    owl_fmtext_append_normal(&fm, "  Recipient : ");
1579    owl_fmtext_append_normal(&fm, owl_message_get_recipient(m));
1580    owl_fmtext_append_normal(&fm, "\n");
1581  }
1582   
1583  if (owl_message_is_type_zephyr(m)) {
1584    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1585   
1586    owl_fmtext_append_normal(&fm, "  Class     : ");
1587    owl_fmtext_append_normal(&fm, owl_message_get_class(m));
1588    owl_fmtext_append_normal(&fm, "\n");
1589    owl_fmtext_append_normal(&fm, "  Instance  : ");
1590    owl_fmtext_append_normal(&fm, owl_message_get_instance(m));
1591    owl_fmtext_append_normal(&fm, "\n");
1592    owl_fmtext_append_normal(&fm, "  Opcode    : ");
1593    owl_fmtext_append_normal(&fm, owl_message_get_opcode(m));
1594    owl_fmtext_append_normal(&fm, "\n");
1595   
1596    owl_fmtext_append_normal(&fm, "  Time      : ");
1597    owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1598    owl_fmtext_append_normal(&fm, "\n");
1599#ifdef HAVE_LIBZEPHYR
1600    if (owl_message_is_direction_in(m)) {
1601      char *ptr, tmpbuff[1024];
1602      int i, j, fields, len;
1603
1604      n=owl_message_get_notice(m);
1605
1606      if (!owl_message_is_pseudo(m)) {
1607        owl_fmtext_append_normal(&fm, "  Kind      : ");
1608        if (n->z_kind==UNSAFE) {
1609          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1610        } else if (n->z_kind==UNACKED) {
1611          owl_fmtext_append_normal(&fm, "UNACKED\n");
1612        } else if (n->z_kind==ACKED) {
1613          owl_fmtext_append_normal(&fm, "ACKED\n");
1614        } else if (n->z_kind==HMACK) {
1615          owl_fmtext_append_normal(&fm, "HMACK\n");
1616        } else if (n->z_kind==HMCTL) {
1617          owl_fmtext_append_normal(&fm, "HMCTL\n");
1618        } else if (n->z_kind==SERVACK) {
1619          owl_fmtext_append_normal(&fm, "SERVACK\n");
1620        } else if (n->z_kind==SERVNAK) {
1621          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1622        } else if (n->z_kind==CLIENTACK) {
1623          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1624        } else if (n->z_kind==STAT) {
1625          owl_fmtext_append_normal(&fm, "STAT\n");
1626        } else {
1627          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1628        }
1629      }
1630      owl_fmtext_append_normal(&fm, "  Host      : ");
1631      owl_fmtext_append_normal(&fm, owl_message_get_hostname(m));
1632
1633      if (!owl_message_is_pseudo(m)) {
1634        owl_fmtext_append_normal(&fm, "\n");
1635        sprintf(buff, "  Port      : %i\n", ntohs(n->z_port));
1636        owl_fmtext_append_normal(&fm, buff);
1637
1638        owl_fmtext_append_normal(&fm,    "  Auth      : ");
1639        owl_fmtext_append_normal(&fm, owl_zephyr_get_authstr(n));
1640        owl_fmtext_append_normal(&fm, "\n");
1641       
1642        /* fix this */
1643        sprintf(buff, "  Checkd Ath: %i\n", n->z_checked_auth);
1644        sprintf(buff, "%s  Multi notc: %s\n", buff, n->z_multinotice);
1645        sprintf(buff, "%s  Num other : %i\n", buff, n->z_num_other_fields);
1646        sprintf(buff, "%s  Msg Len   : %i\n", buff, n->z_message_len);
1647        owl_fmtext_append_normal(&fm, buff);
1648       
1649        sprintf(buff, "  Fields    : %i\n", owl_zephyr_get_num_fields(n));
1650        owl_fmtext_append_normal(&fm, buff);
1651       
1652        fields=owl_zephyr_get_num_fields(n);
1653        for (i=0; i<fields; i++) {
1654          sprintf(buff, "  Field %i   : ", i+1);
1655         
1656          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1657          len=strlen(ptr);
1658          if (len<30) {
1659            strncpy(tmpbuff, ptr, len);
1660            tmpbuff[len]='\0';
1661          } else {
1662            strncpy(tmpbuff, ptr, 30);
1663            tmpbuff[30]='\0';
1664            strcat(tmpbuff, "...");
1665          }
1666          owl_free(ptr);
1667         
1668          for (j=0; j<strlen(tmpbuff); j++) {
1669            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1670            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1671          }
1672         
1673          strcat(buff, tmpbuff);
1674          strcat(buff, "\n");
1675          owl_fmtext_append_normal(&fm, buff);
1676        }
1677        owl_fmtext_append_normal(&fm, "  Default Fm:");
1678        owl_fmtext_append_normal(&fm, n->z_default_format);
1679      }
1680     
1681    }
1682#endif   
1683  }
1684
1685  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1686  owl_message_attributes_tofmtext(m, &attrfm);
1687  owl_fmtext_append_fmtext(&fm, &attrfm);
1688 
1689  owl_function_popless_fmtext(&fm);
1690  owl_fmtext_free(&fm);
1691  owl_fmtext_free(&attrfm);
1692}
1693
1694/* print the current message in a popup window.
1695 * Use the 'default' style regardless of whatever
1696 * style the user may be using
1697 */
1698void owl_function_curmsg_to_popwin()
1699{
1700  owl_popwin *pw;
1701  owl_view *v;
1702  owl_message *m;
1703  owl_style *s;
1704  owl_fmtext fm;
1705
1706  v=owl_global_get_current_view(&g);
1707  s=owl_global_get_style_by_name(&g, "default");
1708  pw=owl_global_get_popwin(&g);
1709
1710  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1711
1712  if (!m || owl_view_get_size(v)==0) {
1713    owl_function_error("No current message");
1714    return;
1715  }
1716
1717  owl_fmtext_init_null(&fm);
1718  owl_style_get_formattext(s, &fm, m);
1719
1720  owl_function_popless_fmtext(&fm);
1721  owl_fmtext_free(&fm);
1722}
1723
1724void owl_function_page_curmsg(int step)
1725{
1726  /* scroll down or up within the current message IF the message is truncated */
1727
1728  int offset, curmsg, lines;
1729  owl_view *v;
1730  owl_message *m;
1731
1732  offset=owl_global_get_curmsg_vert_offset(&g);
1733  v=owl_global_get_current_view(&g);
1734  curmsg=owl_global_get_curmsg(&g);
1735  m=owl_view_get_element(v, curmsg);
1736  if (!m || owl_view_get_size(v)==0) return;
1737  lines=owl_message_get_numlines(m);
1738
1739  if (offset==0) {
1740    /* Bail if the curmsg isn't the last one displayed */
1741    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1742      owl_function_makemsg("The entire message is already displayed");
1743      return;
1744    }
1745   
1746    /* Bail if we're not truncated */
1747    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1748      owl_function_makemsg("The entire message is already displayed");
1749      return;
1750    }
1751  }
1752 
1753 
1754  /* don't scroll past the last line */
1755  if (step>0) {
1756    if (offset+step > lines-1) {
1757      owl_global_set_curmsg_vert_offset(&g, lines-1);
1758    } else {
1759      owl_global_set_curmsg_vert_offset(&g, offset+step);
1760    }
1761  }
1762
1763  /* would we be before the beginning of the message? */
1764  if (step<0) {
1765    if (offset+step<0) {
1766      owl_global_set_curmsg_vert_offset(&g, 0);
1767    } else {
1768      owl_global_set_curmsg_vert_offset(&g, offset+step);
1769    }
1770  }
1771 
1772  /* redisplay */
1773  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1774  owl_global_set_needrefresh(&g);
1775}
1776
1777void owl_function_resize_typwin(int newsize)
1778{
1779  owl_global_set_typwin_lines(&g, newsize);
1780  owl_function_resize();
1781}
1782
1783void owl_function_typwin_grow()
1784{
1785  int i;
1786
1787  i=owl_global_get_typwin_lines(&g);
1788  owl_function_resize_typwin(i+1);
1789}
1790
1791void owl_function_typwin_shrink()
1792{
1793  int i;
1794
1795  i=owl_global_get_typwin_lines(&g);
1796  if (i>2) {
1797    owl_function_resize_typwin(i-1);
1798  }
1799}
1800
1801void owl_function_mainwin_pagedown()
1802{
1803  int i;
1804
1805  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1806  if (i<0) return;
1807  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1808      && (owl_global_get_curmsg(&g) < i)
1809      && (i>0)) {
1810    i--;
1811  }
1812  owl_global_set_curmsg(&g, i);
1813  owl_function_nextmsg();
1814}
1815
1816void owl_function_mainwin_pageup()
1817{
1818  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1819  owl_function_prevmsg();
1820}
1821
1822void owl_function_getsubs()
1823{
1824  char *buff;
1825
1826  buff=owl_zephyr_getsubs();
1827
1828  if (buff) {
1829    owl_function_popless_text(buff);
1830  } else {
1831    owl_function_popless_text("Error getting subscriptions");
1832  }
1833           
1834  owl_free(buff);
1835}
1836
1837#define PABUFLEN 5000
1838void owl_function_printallvars()
1839{
1840  char buff[PABUFLEN], *pos, *name;
1841  owl_list varnames;
1842  int i, numvarnames, rem;
1843
1844  pos = buff;
1845  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1846  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1847  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1848  rem = (buff+PABUFLEN)-pos-1;
1849  numvarnames = owl_list_get_size(&varnames);
1850  for (i=0; i<numvarnames; i++) {
1851    name = owl_list_get_element(&varnames, i);
1852    if (name && name[0]!='_') {
1853      rem = (buff+PABUFLEN)-pos-1;   
1854      pos += snprintf(pos, rem, "\n%-20s = ", name);
1855      rem = (buff+PABUFLEN)-pos-1;   
1856      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1857      pos = buff+strlen(buff);
1858    }
1859  }
1860  rem = (buff+PABUFLEN)-pos-1;   
1861  snprintf(pos, rem, "\n");
1862  owl_variable_dict_namelist_free(&varnames);
1863 
1864  owl_function_popless_text(buff);
1865}
1866
1867void owl_function_show_variables()
1868{
1869  owl_list varnames;
1870  owl_fmtext fm; 
1871  int i, numvarnames;
1872  char *varname;
1873
1874  owl_fmtext_init_null(&fm);
1875  owl_fmtext_append_bold(&fm, 
1876      "Variables: (use 'show variable <name>' for details)\n");
1877  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1878  numvarnames = owl_list_get_size(&varnames);
1879  for (i=0; i<numvarnames; i++) {
1880    varname = owl_list_get_element(&varnames, i);
1881    if (varname && varname[0]!='_') {
1882      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1883    }
1884  }
1885  owl_variable_dict_namelist_free(&varnames);
1886  owl_function_popless_fmtext(&fm);
1887  owl_fmtext_free(&fm);
1888}
1889
1890void owl_function_show_variable(char *name)
1891{
1892  owl_fmtext fm; 
1893
1894  owl_fmtext_init_null(&fm);
1895  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1896  owl_function_popless_fmtext(&fm);
1897  owl_fmtext_free(&fm); 
1898}
1899
1900/* note: this applies to global message list, not to view.
1901 * If flag is 1, deletes.  If flag is 0, undeletes. */
1902void owl_function_delete_by_id(int id, int flag)
1903{
1904  owl_messagelist *ml;
1905  owl_message *m;
1906  ml = owl_global_get_msglist(&g);
1907  m = owl_messagelist_get_by_id(ml, id);
1908  if (m) {
1909    if (flag == 1) {
1910      owl_message_mark_delete(m);
1911    } else if (flag == 0) {
1912      owl_message_unmark_delete(m);
1913    }
1914    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1915    owl_global_set_needrefresh(&g);
1916  } else {
1917    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1918  }
1919}
1920
1921void owl_function_delete_automsgs()
1922{
1923  /* mark for deletion all messages in the current view that match the
1924   * 'trash' filter */
1925
1926  int i, j, count;
1927  owl_message *m;
1928  owl_view *v;
1929  owl_filter *f;
1930
1931  /* get the trash filter */
1932  f=owl_global_get_filter(&g, "trash");
1933  if (!f) {
1934    owl_function_error("No trash filter defined");
1935    return;
1936  }
1937
1938  v=owl_global_get_current_view(&g);
1939
1940  count=0;
1941  j=owl_view_get_size(v);
1942  for (i=0; i<j; i++) {
1943    m=owl_view_get_element(v, i);
1944    if (owl_filter_message_match(f, m)) {
1945      count++;
1946      owl_message_mark_delete(m);
1947    }
1948  }
1949  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1950  owl_function_makemsg("%i messages marked for deletion", count);
1951  owl_global_set_needrefresh(&g);
1952}
1953
1954void owl_function_status()
1955{
1956  char buff[5000];
1957  time_t start;
1958  int up, days, hours, minutes;
1959  owl_fmtext fm;
1960
1961  owl_fmtext_init_null(&fm);
1962
1963  start=owl_global_get_starttime(&g);
1964
1965  owl_fmtext_append_normal(&fm, "General Information:\n");
1966
1967  owl_fmtext_append_normal(&fm, "  Version: ");
1968  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1969  owl_fmtext_append_normal(&fm, "\n");
1970
1971  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1972  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1973  owl_fmtext_append_normal(&fm, "\n");
1974
1975  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1976  (void) getcwd(buff, MAXPATHLEN);
1977  owl_fmtext_append_normal(&fm, buff);
1978  owl_fmtext_append_normal(&fm, "\n");
1979
1980  sprintf(buff, "  Startup Time: %s", ctime(&start));
1981  owl_fmtext_append_normal(&fm, buff);
1982
1983  up=owl_global_get_runtime(&g);
1984  days=up/86400;
1985  up-=days*86400;
1986  hours=up/3600;
1987  up-=hours*3600;
1988  minutes=up/60;
1989  up-=minutes*60;
1990  sprintf(buff, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1991  owl_fmtext_append_normal(&fm, buff);
1992
1993  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1994  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1995  if (owl_global_is_havezephyr(&g)) {
1996    owl_fmtext_append_normal(&fm, "yes\n");
1997  } else {
1998    owl_fmtext_append_normal(&fm, "no\n");
1999  }
2000  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
2001  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
2002
2003
2004  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
2005  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
2006#if OWL_STDERR_REDIR
2007  owl_fmtext_append_normal(&fm, "yes\n");
2008#else
2009  owl_fmtext_append_normal(&fm, "no\n");
2010#endif
2011 
2012
2013  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
2014  owl_fmtext_append_normal(&fm, "  Logged in: ");
2015  if (owl_global_is_aimloggedin(&g)) {
2016    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
2017    owl_fmtext_append_normal(&fm, "\n");
2018  } else {
2019    owl_fmtext_append_normal(&fm, "(not logged in)\n");
2020  }
2021
2022  owl_fmtext_append_normal(&fm, "  Processing events: ");
2023  if (owl_global_is_doaimevents(&g)) {
2024    owl_fmtext_append_normal(&fm, "yes\n");
2025  } else {
2026    owl_fmtext_append_normal(&fm, "no\n");
2027  }
2028
2029  owl_function_popless_fmtext(&fm);
2030  owl_fmtext_free(&fm);
2031}
2032
2033void owl_function_show_term()
2034{
2035  owl_fmtext fm;
2036  char buff[LINE];
2037
2038  owl_fmtext_init_null(&fm);
2039  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
2040          owl_global_get_lines(&g),
2041          owl_global_get_cols(&g));
2042  owl_fmtext_append_normal(&fm, buff);
2043
2044  if (owl_global_get_hascolors(&g)) {
2045    owl_fmtext_append_normal(&fm, "Color: Yes\n");
2046    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
2047    owl_fmtext_append_normal(&fm, buff);
2048    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
2049    owl_fmtext_append_normal(&fm, buff);
2050  } else {
2051    owl_fmtext_append_normal(&fm, "Color: No\n");
2052  }
2053
2054  owl_function_popless_fmtext(&fm);
2055  owl_fmtext_free(&fm);
2056}
2057
2058/* if type = 0 then normal reply.
2059 * if type = 1 then it's a reply to sender
2060 * if enter = 0 then allow the command to be edited
2061 * if enter = 1 then don't wait for editing
2062 */
2063void owl_function_reply(int type, int enter)
2064{
2065  char *buff=NULL;
2066  owl_message *m;
2067  owl_filter *f;
2068 
2069  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
2070    owl_function_error("No message selected");
2071  } else {
2072   
2073    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
2074    if (!m) {
2075      owl_function_error("No message selected");
2076      return;
2077    }
2078
2079    /* first check if we catch the reply-lockout filter */
2080    f=owl_global_get_filter(&g, "reply-lockout");
2081    if (f) {
2082      if (owl_filter_message_match(f, m)) {
2083        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
2084        return;
2085      }
2086    }
2087
2088    /* then check if it's a question and just bring up the command prompt */
2089    if (owl_message_is_question(m)) {
2090      owl_function_start_command("");
2091      return;
2092    }
2093
2094    char *cmd;
2095    if((type == 0 &&
2096        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
2097       (type == 1 &&
2098        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
2099      buff = cmd;
2100    }
2101
2102    if(!buff) {
2103        owl_function_error("I don't know how to reply to that message.");
2104        return;
2105    }
2106
2107    if (enter) {
2108      owl_history *hist = owl_global_get_cmd_history(&g);
2109      owl_history_store(hist, buff);
2110      owl_history_reset(hist);
2111      owl_function_command_norv(buff);
2112    } else {
2113      owl_function_start_command(buff);
2114    }
2115    owl_free(buff);
2116  }
2117}
2118
2119void owl_function_zlocate(int argc, char **argv, int auth)
2120{
2121  owl_fmtext fm;
2122  char *ptr, buff[LINE];
2123  int i;
2124
2125  owl_fmtext_init_null(&fm);
2126
2127  for (i=0; i<argc; i++) {
2128    ptr=long_zuser(argv[i]);
2129    owl_zephyr_zlocate(ptr, buff, auth);
2130    owl_fmtext_append_normal(&fm, buff);
2131    owl_free(ptr);
2132  }
2133
2134  owl_function_popless_fmtext(&fm);
2135  owl_fmtext_free(&fm);
2136}
2137
2138void owl_function_start_command(char *line)
2139{
2140  owl_editwin *tw;
2141
2142  tw=owl_global_get_typwin(&g);
2143  owl_global_set_typwin_active(&g);
2144  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
2145                        owl_global_get_cmd_history(&g));
2146
2147  owl_editwin_set_locktext(tw, "command: ");
2148  owl_global_set_needrefresh(&g);
2149
2150  owl_editwin_insert_string(tw, line);
2151  owl_editwin_redisplay(tw, 0);
2152
2153  owl_context_set_editline(owl_global_get_context(&g), tw);
2154  owl_function_activate_keymap("editline");
2155}
2156
2157void owl_function_start_question(char *line)
2158{
2159  owl_editwin *tw;
2160
2161  tw=owl_global_get_typwin(&g);
2162  owl_global_set_typwin_active(&g);
2163  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2164
2165  owl_editwin_set_locktext(tw, line);
2166  owl_global_set_needrefresh(&g);
2167
2168  owl_editwin_redisplay(tw, 0);
2169
2170  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2171  owl_function_activate_keymap("editresponse");
2172}
2173
2174void owl_function_start_password(char *line)
2175{
2176  owl_editwin *tw;
2177
2178  tw=owl_global_get_typwin(&g);
2179  owl_global_set_typwin_active(&g);
2180  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2181  owl_editwin_set_echochar(tw, '*');
2182
2183  owl_editwin_set_locktext(tw, line);
2184  owl_global_set_needrefresh(&g);
2185
2186  owl_editwin_redisplay(tw, 0);
2187
2188  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2189  owl_function_activate_keymap("editresponse");
2190}
2191
2192char *owl_function_exec(int argc, char **argv, char *buff, int type)
2193{
2194  /* if type == 1 display in a popup
2195   * if type == 2 display an admin messages
2196   * if type == 0 return output
2197   * else display in a popup
2198   */
2199  char *newbuff, *redirect = " 2>&1 < /dev/null";
2200  char *out, buff2[1024];
2201  int size;
2202  FILE *p;
2203
2204#if OWL_STDERR_REDIR
2205  redirect = " < /dev/null";
2206#endif
2207
2208  if (argc<2) {
2209    owl_function_error("Wrong number of arguments to the exec command");
2210    return NULL;
2211  }
2212
2213  buff = skiptokens(buff, 1);
2214  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
2215  strcpy(newbuff, buff);
2216  strcat(newbuff, redirect);
2217
2218  if (type == 1) {
2219    owl_popexec_new(newbuff);
2220  } else {
2221    p=popen(newbuff, "r");
2222    out=owl_malloc(1024);
2223    size=1024;
2224    strcpy(out, "");
2225    while (fgets(buff2, 1024, p)!=NULL) {
2226      size+=1024;
2227      out=owl_realloc(out, size);
2228      strcat(out, buff2);
2229    }
2230    pclose(p);
2231   
2232    if (type==1) {
2233      owl_function_popless_text(out);
2234    } else if (type==0) {
2235      return out;
2236    } else if (type==2) {
2237      owl_function_adminmsg(buff, out);
2238    } else {
2239      owl_function_popless_text(out);
2240    }
2241    owl_free(out);
2242  }
2243  return NULL;
2244}
2245
2246char *owl_function_perl(int argc, char **argv, char *buff, int type)
2247{
2248  /* if type == 1 display in a popup
2249   * if type == 2 display an admin messages
2250   * if type == 0 return output
2251   * else display in a popup
2252   */
2253  char *perlout;
2254
2255  if (argc<2) {
2256    owl_function_error("Wrong number of arguments to perl command");
2257    return NULL;
2258  }
2259
2260  /* consume first token (argv[0]) */
2261  buff = skiptokens(buff, 1);
2262
2263  perlout = owl_perlconfig_execute(buff);
2264  if (perlout) { 
2265    if (type==1) {
2266      owl_function_popless_text(perlout);
2267    } else if (type==2) {
2268      owl_function_adminmsg(buff, perlout);
2269    } else if (type==0) {
2270      return perlout;
2271    } else {
2272      owl_function_popless_text(perlout);
2273    }
2274    owl_free(perlout);
2275  }
2276  return NULL;
2277}
2278
2279/* Change the filter associated with the current view.
2280 * This also figures out which message in the new filter
2281 * should have the pointer.
2282 */
2283void owl_function_change_currentview_filter(char *filtname)
2284{
2285  owl_view *v;
2286  owl_filter *f;
2287  int curid=-1, newpos, curmsg;
2288  owl_message *curm=NULL;
2289
2290  v=owl_global_get_current_view(&g);
2291
2292  curmsg=owl_global_get_curmsg(&g);
2293  if (curmsg==-1) {
2294    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2295  } else {
2296    curm=owl_view_get_element(v, curmsg);
2297    if (curm) {
2298      curid=owl_message_get_id(curm);
2299      owl_view_save_curmsgid(v, curid);
2300    }
2301  }
2302
2303  f=owl_global_get_filter(&g, filtname);
2304  if (!f) {
2305    owl_function_error("Unknown filter %s", filtname);
2306    return;
2307  }
2308
2309  owl_view_new_filter(v, f);
2310
2311  /* Figure out what to set the current message to.
2312   * - If the view we're leaving has messages in it, go to the closest message
2313   *   to the last message pointed to in that view.
2314   * - If the view we're leaving is empty, try to restore the position
2315   *   from the last time we were in the new view.  */
2316  if (curm) {
2317    newpos = owl_view_get_nearest_to_msgid(v, curid);
2318  } else {
2319    newpos = owl_view_get_nearest_to_saved(v);
2320  }
2321
2322  owl_global_set_curmsg(&g, newpos);
2323  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2324  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2325  owl_global_set_direction_downwards(&g);
2326}
2327
2328/* Create a new filter, or replace an existing one
2329 * with a new definition.
2330 */
2331void owl_function_create_filter(int argc, char **argv)
2332{
2333  owl_filter *f;
2334  owl_view *v;
2335  int ret, inuse=0;
2336
2337  if (argc < 2) {
2338    owl_function_error("Wrong number of arguments to filter command");
2339    return;
2340  }
2341
2342  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2343
2344  v=owl_global_get_current_view(&g);
2345
2346  /* don't touch the all filter */
2347  if (!strcmp(argv[1], "all")) {
2348    owl_function_error("You may not change the 'all' filter.");
2349    return;
2350  }
2351
2352  /* deal with the case of trying change the filter color */
2353  if (argc==4 && !strcmp(argv[2], "-c")) {
2354    f=owl_global_get_filter(&g, argv[1]);
2355    if (!f) {
2356      owl_function_error("The filter '%s' does not exist.", argv[1]);
2357      return;
2358    }
2359    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2360      owl_function_error("The color '%s' is not available.", argv[3]);
2361      return;
2362    }
2363    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2364    owl_global_set_needrefresh(&g);
2365    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2366    return;
2367  }
2368  if (argc==4 && !strcmp(argv[2], "-b")) {
2369    f=owl_global_get_filter(&g, argv[1]);
2370    if (!f) {
2371      owl_function_error("The filter '%s' does not exist.", argv[1]);
2372      return;
2373    }
2374    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2375      owl_function_error("The color '%s' is not available.", argv[3]);
2376      return;
2377    }
2378    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2379    owl_global_set_needrefresh(&g);
2380    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2381    return;
2382  }
2383
2384  /* create the filter and check for errors */
2385  f=owl_malloc(sizeof(owl_filter));
2386  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
2387  if (ret==-1) {
2388    owl_free(f);
2389    owl_function_error("Invalid filter");
2390    return;
2391  }
2392
2393  /* if the named filter is in use by the current view, remember it */
2394  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2395    inuse=1;
2396  }
2397
2398  /* if the named filter already exists, nuke it */
2399  if (owl_global_get_filter(&g, argv[1])) {
2400    owl_global_remove_filter(&g, argv[1]);
2401  }
2402
2403  /* add the filter */
2404  owl_global_add_filter(&g, f);
2405
2406  /* if it was in use by the current view then update */
2407  if (inuse) {
2408    owl_function_change_currentview_filter(argv[1]);
2409  }
2410  owl_global_set_needrefresh(&g);
2411  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2412}
2413
2414/* If 'filtername' does not start with 'not-' create a filter named
2415 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2416 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2417 * 'filtername' begins with 'not-' and a filter 'filtername' already
2418 * exists, then do nothing.  If the filter 'filtername' does not
2419 * exist, create it and define it as 'not filter <filtername>'
2420 *
2421 * Returns the name of the negated filter, which the caller must free.
2422 */
2423char *owl_function_create_negative_filter(char *filtername)
2424{
2425  char *newname;
2426  owl_filter *tmpfilt;
2427  char *argv[5];
2428
2429  owl_function_debugmsg("owl_function_create_negative_filter");
2430 
2431  if (!strncmp(filtername, "not-", 4)) {
2432    newname=owl_strdup(filtername+4);
2433  } else {
2434    newname=owl_sprintf("not-%s", filtername);
2435  }
2436
2437  tmpfilt=owl_global_get_filter(&g, newname);
2438  if (!tmpfilt) {
2439    argv[0]="filter"; /* anything is fine here */
2440    argv[1]=newname;
2441    argv[2]="not";
2442    argv[3]="filter";
2443    argv[4]=filtername;
2444    owl_function_create_filter(5, argv);
2445  }
2446
2447  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2448  return(newname);
2449}
2450
2451void owl_function_show_filters()
2452{
2453  owl_list *l;
2454  owl_filter *f;
2455  int i, j;
2456  owl_fmtext fm;
2457
2458  owl_fmtext_init_null(&fm);
2459
2460  l=owl_global_get_filterlist(&g);
2461  j=owl_list_get_size(l);
2462
2463  owl_fmtext_append_bold(&fm, "Filters:\n");
2464
2465  for (i=0; i<j; i++) {
2466    f=owl_list_get_element(l, i);
2467    owl_fmtext_append_normal(&fm, "   ");
2468    if (owl_global_get_hascolors(&g)) {
2469      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2470    } else {
2471      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2472    }
2473    owl_fmtext_append_normal(&fm, "\n");
2474  }
2475  owl_function_popless_fmtext(&fm);
2476  owl_fmtext_free(&fm);
2477}
2478
2479void owl_function_show_filter(char *name)
2480{
2481  owl_filter *f;
2482  char *buff, *tmp;
2483
2484  f=owl_global_get_filter(&g, name);
2485  if (!f) {
2486    owl_function_error("There is no filter named %s", name);
2487    return;
2488  }
2489  tmp = owl_filter_print(f);
2490  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2491  owl_function_popless_text(buff);
2492  owl_free(buff);
2493  owl_free(tmp);
2494}
2495
2496void owl_function_show_zpunts()
2497{
2498  owl_filter *f;
2499  owl_list *fl;
2500  char buff[5000];
2501  char *tmp;
2502  owl_fmtext fm;
2503  int i, j;
2504
2505  owl_fmtext_init_null(&fm);
2506
2507  fl=owl_global_get_puntlist(&g);
2508  j=owl_list_get_size(fl);
2509  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2510
2511  for (i=0; i<j; i++) {
2512    f=owl_list_get_element(fl, i);
2513    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2514    owl_fmtext_append_normal(&fm, buff);
2515    tmp = owl_filter_print(f);
2516    owl_fmtext_append_normal(&fm, tmp);
2517    owl_free(tmp);
2518    owl_fmtext_append_normal(&fm, buff);
2519  }
2520  owl_function_popless_fmtext(&fm);
2521  owl_fmtext_free(&fm);
2522}
2523
2524/* Create a filter for a class, instance if one doesn't exist.  If
2525 * instance is NULL then catch all messgaes in the class.  Returns the
2526 * name of the filter, which the caller must free.
2527 */
2528char *owl_function_classinstfilt(char *c, char *i) 
2529{
2530  owl_list *fl;
2531  owl_filter *f;
2532  char *argbuff, *filtname;
2533  char *tmpclass, *tmpinstance = NULL;
2534  char *class, *instance = NULL;
2535  int len;
2536
2537  class = owl_util_baseclass(c);
2538  if(i) {
2539    instance = owl_util_baseclass(i);
2540  }
2541
2542  fl=owl_global_get_filterlist(&g);
2543
2544  /* name for the filter */
2545  len=strlen(class)+30;
2546  if (instance) len+=strlen(instance);
2547  filtname=owl_malloc(len);
2548  if (!instance) {
2549    sprintf(filtname, "class-%s", class);
2550  } else {
2551    sprintf(filtname, "class-%s-instance-%s", class, instance);
2552  }
2553  /* downcase it */
2554  {
2555    char *temp = g_utf8_strdown(filtname, -1);
2556    if (temp) {
2557      owl_free(filtname);
2558      filtname = temp;
2559    }
2560  }
2561  /* turn spaces, single quotes, and double quotes into dots */
2562  owl_text_tr(filtname, ' ', '.');
2563  owl_text_tr(filtname, '\'', '.');
2564  owl_text_tr(filtname, '"', '.');
2565 
2566  /* if it already exists then go with it.  This lets users override */
2567  if (owl_global_get_filter(&g, filtname)) {
2568    return(filtname);
2569  }
2570
2571  /* create the new filter */
2572  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2573  owl_text_tr(tmpclass, ' ', '.');
2574  owl_text_tr(tmpclass, '\'', '.');
2575  owl_text_tr(tmpclass, '"', '.');
2576  if (instance) {
2577    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2578    owl_text_tr(tmpinstance, ' ', '.');
2579    owl_text_tr(tmpinstance, '\'', '.');
2580    owl_text_tr(tmpinstance, '"', '.');
2581  }
2582  len = strlen(tmpclass);
2583  if(tmpinstance) len += strlen(tmpinstance);
2584  len += 60;
2585  argbuff = owl_malloc(len);
2586  sprintf(argbuff, "class ^(un)*%s(\\.d)*$", tmpclass);
2587  if (tmpinstance) {
2588    sprintf(argbuff, "%s and ( instance ^(un)*%s(\\.d)*$ )", argbuff, tmpinstance);
2589  }
2590  owl_free(tmpclass);
2591  if (tmpinstance) owl_free(tmpinstance);
2592
2593  f=owl_malloc(sizeof(owl_filter));
2594  owl_filter_init_fromstring(f, filtname, argbuff);
2595
2596  /* add it to the global list */
2597  owl_global_add_filter(&g, f);
2598
2599  owl_free(argbuff);
2600  owl_free(class);
2601  if (instance) {
2602    owl_free(instance);
2603  }
2604  return(filtname);
2605}
2606
2607/* Create a filter for personal zephyrs to or from the specified
2608 * zephyr user.  Includes login/logout notifications for the user.
2609 * The name of the filter will be 'user-<user>'.  If a filter already
2610 * exists with this name, no new filter will be created.  This allows
2611 * the configuration to override this function.  Returns the name of
2612 * the filter, which the caller must free.
2613 */
2614char *owl_function_zuserfilt(char *user)
2615{
2616  owl_filter *f;
2617  char *argbuff, *longuser, *shortuser, *filtname;
2618
2619  /* stick the local realm on if it's not there */
2620  longuser=long_zuser(user);
2621  shortuser=short_zuser(user);
2622
2623  /* name for the filter */
2624  filtname=owl_sprintf("user-%s", shortuser);
2625
2626  /* if it already exists then go with it.  This lets users override */
2627  if (owl_global_get_filter(&g, filtname)) {
2628    return(owl_strdup(filtname));
2629  }
2630
2631  /* create the new-internal filter */
2632  f=owl_malloc(sizeof(owl_filter));
2633
2634  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2635      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2636      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2637      longuser);
2638
2639  owl_filter_init_fromstring(f, filtname, argbuff);
2640
2641  /* add it to the global list */
2642  owl_global_add_filter(&g, f);
2643
2644  /* free stuff */
2645  owl_free(argbuff);
2646  owl_free(longuser);
2647  owl_free(shortuser);
2648
2649  return(filtname);
2650}
2651
2652/* Create a filter for AIM IM messages to or from the specified
2653 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2654 * filter already exists with this name, no new filter will be
2655 * created.  This allows the configuration to override this function.
2656 * Returns the name of the filter, which the caller must free.
2657 */
2658char *owl_function_aimuserfilt(char *user)
2659{
2660  owl_filter *f;
2661  char *argbuff, *filtname;
2662  char *escuser;
2663
2664  /* name for the filter */
2665  filtname=owl_sprintf("aimuser-%s", user);
2666
2667  /* if it already exists then go with it.  This lets users override */
2668  if (owl_global_get_filter(&g, filtname)) {
2669    return(owl_strdup(filtname));
2670  }
2671
2672  /* create the new-internal filter */
2673  f=owl_malloc(sizeof(owl_filter));
2674
2675  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2676
2677  argbuff = owl_sprintf(
2678      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2679      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2680      escuser, owl_global_get_aim_screenname_for_filters(&g));
2681
2682  owl_filter_init_fromstring(f, filtname, argbuff);
2683
2684  /* add it to the global list */
2685  owl_global_add_filter(&g, f);
2686
2687  /* free stuff */
2688  owl_free(argbuff);
2689  owl_free(escuser);
2690
2691  return(filtname);
2692}
2693
2694char *owl_function_typefilt(char *type)
2695{
2696  owl_filter *f;
2697  char *argbuff, *filtname;
2698
2699  /* name for the filter */
2700  filtname=owl_sprintf("type-%s", type);
2701
2702  /* if it already exists then go with it.  This lets users override */
2703  if (owl_global_get_filter(&g, filtname)) {
2704    return filtname;
2705  }
2706
2707  /* create the new-internal filter */
2708  f=owl_malloc(sizeof(owl_filter));
2709
2710  argbuff = owl_sprintf("type ^%s$", type);
2711
2712  owl_filter_init_fromstring(f, filtname, argbuff);
2713
2714  /* add it to the global list */
2715  owl_global_add_filter(&g, f);
2716
2717  /* free stuff */
2718  owl_free(argbuff);
2719
2720  return filtname;
2721}
2722
2723/* If flag is 1, marks for deletion.  If flag is 0,
2724 * unmarks for deletion. */
2725void owl_function_delete_curview_msgs(int flag)
2726{
2727  owl_view *v;
2728  int i, j;
2729
2730  v=owl_global_get_current_view(&g);
2731  j=owl_view_get_size(v);
2732  for (i=0; i<j; i++) {
2733    if (flag == 1) {
2734      owl_message_mark_delete(owl_view_get_element(v, i));
2735    } else if (flag == 0) {
2736      owl_message_unmark_delete(owl_view_get_element(v, i));
2737    }
2738  }
2739
2740  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2741
2742  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2743}
2744
2745/* Create a filter based on the current message.  Returns the name of
2746 * a filter or null.  The caller must free this name.
2747 *
2748 * if the curmsg is a personal zephyr return a filter name
2749 *    to the zephyr converstaion with that user.
2750 * If the curmsg is a zephyr class message, instance foo, recip *,
2751 *    return a filter name to the class, inst.
2752 * If the curmsg is a zephyr class message and type==0 then
2753 *    return a filter name for just the class.
2754 * If the curmsg is a zephyr class message and type==1 then
2755 *    return a filter name for the class and instance.
2756 * If the curmsg is a personal AIM message returna  filter
2757 *    name to the AIM conversation with that user
2758 */
2759char *owl_function_smartfilter(int type)
2760{
2761  owl_view *v;
2762  owl_message *m;
2763  char *zperson, *filtname=NULL;
2764  char *argv[1];
2765 
2766  v=owl_global_get_current_view(&g);
2767  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2768
2769  if (!m || owl_view_get_size(v)==0) {
2770    owl_function_error("No message selected\n");
2771    return(NULL);
2772  }
2773
2774  /* very simple handling of admin messages for now */
2775  if (owl_message_is_type_admin(m)) {
2776    return(owl_function_typefilt("admin"));
2777  }
2778
2779  /* very simple handling of loopback messages for now */
2780  if (owl_message_is_type_loopback(m)) {
2781    return(owl_function_typefilt("loopback"));
2782  }
2783
2784  /* aim messages */
2785  if (owl_message_is_type_aim(m)) {
2786    if (owl_message_is_direction_in(m)) {
2787      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2788    } else if (owl_message_is_direction_out(m)) {
2789      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2790    }
2791    return(filtname);
2792  }
2793
2794  /* narrow personal and login messages to the sender or recip as appropriate */
2795  if (owl_message_is_type_zephyr(m)) {
2796    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2797      if (owl_message_is_direction_in(m)) {
2798        zperson=short_zuser(owl_message_get_sender(m));
2799      } else {
2800        zperson=short_zuser(owl_message_get_recipient(m));
2801      }
2802      filtname=owl_function_zuserfilt(zperson);
2803      owl_free(zperson);
2804      return(filtname);
2805    }
2806
2807    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2808    if (!strcasecmp(owl_message_get_class(m), "message")) {
2809      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2810      return(filtname);
2811    }
2812
2813    /* otherwise narrow to the class */
2814    if (type==0) {
2815      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2816    } else if (type==1) {
2817      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2818    }
2819    return(filtname);
2820  }
2821
2822  /* pass it off to perl */
2823  if(type) {
2824    argv[0] = "-i";
2825  };
2826  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2827}
2828
2829void owl_function_smartzpunt(int type)
2830{
2831  /* Starts a zpunt command based on the current class,instance pair.
2832   * If type=0, uses just class.  If type=1, uses instance as well. */
2833  owl_view *v;
2834  owl_message *m;
2835  char *cmd, *cmdprefix, *mclass, *minst;
2836 
2837  v=owl_global_get_current_view(&g);
2838  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2839
2840  if (!m || owl_view_get_size(v)==0) {
2841    owl_function_error("No message selected\n");
2842    return;
2843  }
2844
2845  /* for now we skip admin messages. */
2846  if (owl_message_is_type_admin(m)
2847      || owl_message_is_loginout(m)
2848      || !owl_message_is_type_zephyr(m)) {
2849    owl_function_error("smartzpunt doesn't support this message type.");
2850    return;
2851  }
2852
2853  mclass = owl_message_get_class(m);
2854  minst = owl_message_get_instance(m);
2855  if (!mclass || !*mclass || *mclass==' '
2856      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2857      || (type && (!minst || !*minst|| *minst==' '))) {
2858    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2859                         mclass, minst);
2860  } else {
2861    cmdprefix = "start-command zpunt ";
2862    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2863    strcpy(cmd, cmdprefix);
2864    strcat(cmd, owl_getquoting(mclass));
2865    strcat(cmd, mclass);
2866    strcat(cmd, owl_getquoting(mclass));
2867    if (type) {
2868      strcat(cmd, " ");
2869      strcat(cmd, owl_getquoting(minst));
2870      strcat(cmd, minst);
2871      strcat(cmd, owl_getquoting(minst));
2872    } else {
2873      strcat(cmd, " *");
2874    }
2875    owl_function_command(cmd);
2876    owl_free(cmd);
2877  }
2878}
2879
2880/* Set the color of the current view's filter to
2881 * be 'color'
2882 */
2883void owl_function_color_current_filter(char *fgcolor, char *bgcolor)
2884{
2885  char *name;
2886
2887  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2888  owl_function_color_filter(name, fgcolor, bgcolor);
2889}
2890
2891/* Set the color of the filter 'filter' to be 'color'.  If the color
2892 * name does not exist, return -1, if the filter does not exist or is
2893 * the "all" filter, return -2.  Return 0 on success
2894 */
2895int owl_function_color_filter(char *filtname, char *fgcolor, char *bgcolor)
2896{
2897  owl_filter *f;
2898
2899  f=owl_global_get_filter(&g, filtname);
2900  if (!f) {
2901    owl_function_error("Unknown filter");
2902    return(-2);
2903  }
2904
2905  /* don't touch the all filter */
2906  if (!strcmp(filtname, "all")) {
2907    owl_function_error("You may not change the 'all' filter.");
2908    return(-2);
2909  }
2910
2911  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2912    owl_function_error("No color named '%s' avilable.", fgcolor);
2913    return(-1);
2914  }
2915
2916
2917  if (bgcolor != NULL) {
2918    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2919      owl_function_error("No color named '%s' avilable.", bgcolor);
2920      return(-1);
2921    }
2922    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2923  }
2924  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2925 
2926  owl_global_set_needrefresh(&g);
2927  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2928  return(0);
2929}
2930
2931void owl_function_show_colors()
2932{
2933  owl_fmtext fm;
2934  int i; 
2935 
2936  owl_fmtext_init_null(&fm);
2937  owl_fmtext_append_normal(&fm, "default: ");
2938  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2939
2940  owl_fmtext_append_normal(&fm,"red:      ");
2941  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2942
2943  owl_fmtext_append_normal(&fm,"green:    ");
2944  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2945
2946  owl_fmtext_append_normal(&fm,"yellow:   ");
2947  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2948
2949  owl_fmtext_append_normal(&fm,"blue:     ");
2950  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2951
2952  owl_fmtext_append_normal(&fm,"magenta:  ");
2953  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2954
2955  owl_fmtext_append_normal(&fm,"cyan:     ");
2956  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2957
2958  owl_fmtext_append_normal(&fm,"white:    ");
2959  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2960
2961  for(i = 8; i < COLORS; ++i) {
2962    char* str1 = owl_sprintf("%4i:     ",i);
2963    char* str2 = owl_sprintf("%i\n",i);
2964    owl_fmtext_append_normal(&fm,str1);
2965    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2966    owl_free(str1);
2967     owl_free(str2);
2968  }
2969 
2970  owl_function_popless_fmtext(&fm);
2971  owl_fmtext_free(&fm);
2972}
2973
2974/* add the given class, inst, recip to the punt list for filtering.
2975 *   if direction==0 then punt
2976 *   if direction==1 then unpunt
2977 */
2978void owl_function_zpunt(char *class, char *inst, char *recip, int direction)
2979{
2980  char *buff;
2981  char *quoted;
2982
2983  buff=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
2984  strcpy(buff, "class");
2985  if (!strcmp(class, "*")) {
2986    strcat(buff, " .*");
2987  } else {
2988    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2989    owl_text_tr(quoted, ' ', '.');
2990    owl_text_tr(quoted, '\'', '.');
2991    owl_text_tr(quoted, '"', '.');
2992    sprintf(buff, "%s ^(un)*%s(\\.d)*$", buff, quoted);
2993    owl_free(quoted);
2994  }
2995  if (!strcmp(inst, "*")) {
2996    strcat(buff, " and instance .*");
2997  } else {
2998    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2999    owl_text_tr(quoted, ' ', '.');
3000    owl_text_tr(quoted, '\'', '.');
3001    owl_text_tr(quoted, '"', '.');
3002    sprintf(buff, "%s and instance ^(un)*%s(\\.d)*$", buff, quoted);
3003    owl_free(quoted);
3004  }
3005  if (strcmp(recip, "*")) {
3006    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3007    owl_text_tr(quoted, ' ', '.');
3008    owl_text_tr(quoted, '\'', '.');
3009    owl_text_tr(quoted, '"', '.');
3010    sprintf(buff, "%s and recipient ^%s$", buff, quoted);
3011    owl_free(quoted);
3012  }
3013
3014  owl_function_punt(buff, direction);
3015  owl_free(buff);
3016}
3017
3018void owl_function_punt(char *filter, int direction)
3019{
3020  owl_filter *f;
3021  owl_list *fl;
3022  int ret, i, j;
3023  fl=owl_global_get_puntlist(&g);
3024
3025  /* first, create the filter */
3026  f=malloc(sizeof(owl_filter));
3027
3028  owl_function_debugmsg("About to filter %s", filter);
3029  ret=owl_filter_init_fromstring(f, "punt-filter", filter);
3030  if (ret) {
3031    owl_function_error("Error creating filter for zpunt");
3032    owl_filter_free(f);
3033    return;
3034  }
3035
3036  /* Check for an identical filter */
3037  j=owl_list_get_size(fl);
3038  for (i=0; i<j; i++) {
3039    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
3040      owl_function_debugmsg("found an equivalent punt filter");
3041      /* if we're punting, then just silently bow out on this duplicate */
3042      if (direction==0) {
3043        owl_filter_free(f);
3044        return;
3045      }
3046
3047      /* if we're unpunting, then remove this filter from the puntlist */
3048      if (direction==1) {
3049        owl_filter_free(owl_list_get_element(fl, i));
3050        owl_list_remove_element(fl, i);
3051        owl_filter_free(f);
3052        return;
3053      }
3054    }
3055  }
3056
3057  owl_function_debugmsg("punting");
3058  /* If we're punting, add the filter to the global punt list */
3059  if (direction==0) {
3060    owl_list_append_element(fl, f);
3061  }
3062}
3063
3064void owl_function_activate_keymap(char *keymap)
3065{
3066  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
3067    owl_function_error("Unable to activate keymap '%s'", keymap);
3068  }
3069}
3070
3071void owl_function_show_keymaps()
3072{
3073  owl_list l;
3074  owl_fmtext fm;
3075  owl_keymap *km;
3076  owl_keyhandler *kh;
3077  int i, numkm;
3078  char *kmname;
3079
3080  kh = owl_global_get_keyhandler(&g);
3081  owl_fmtext_init_null(&fm);
3082  owl_fmtext_append_bold(&fm, "Keymaps:   ");
3083  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
3084  owl_keyhandler_get_keymap_names(kh, &l);
3085  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
3086  owl_fmtext_append_normal(&fm, "\n");
3087
3088  numkm = owl_list_get_size(&l);
3089  for (i=0; i<numkm; i++) {
3090    kmname = owl_list_get_element(&l, i);
3091    km = owl_keyhandler_get_keymap(kh, kmname);
3092    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
3093    owl_keymap_get_details(km, &fm);   
3094  }
3095  owl_fmtext_append_normal(&fm, "\n");
3096 
3097  owl_function_popless_fmtext(&fm);
3098  owl_keyhandler_keymap_namelist_free(&l);
3099  owl_fmtext_free(&fm);
3100}
3101
3102char *owl_function_keymap_summary(void *name)
3103{
3104  owl_keymap *km
3105    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3106  if (km) return owl_keymap_summary(km);
3107  else return(NULL);
3108}
3109
3110/* TODO: implement for real */
3111void owl_function_show_keymap(char *name)
3112{
3113  owl_fmtext fm;
3114  owl_keymap *km;
3115
3116  owl_fmtext_init_null(&fm);
3117  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3118  if (km) {
3119    owl_keymap_get_details(km, &fm);
3120  } else {
3121    owl_fmtext_append_normal(&fm, "No such keymap...\n");
3122  } 
3123  owl_function_popless_fmtext(&fm);
3124  owl_fmtext_free(&fm);
3125}
3126
3127void owl_function_help_for_command(char *cmdname)
3128{
3129  owl_fmtext fm;
3130
3131  owl_fmtext_init_null(&fm);
3132  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
3133  owl_function_popless_fmtext(&fm); 
3134  owl_fmtext_free(&fm);
3135}
3136
3137void owl_function_search_start(char *string, int direction)
3138{
3139  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3140  owl_global_set_search_active(&g, string);
3141  owl_function_search_helper(0, direction);
3142}
3143
3144void owl_function_search_continue(int direction)
3145{
3146  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3147  owl_function_search_helper(1, direction);
3148}
3149
3150void owl_function_search_helper(int mode, int direction)
3151{
3152  /* move to a message that contains the string.  If direction is
3153   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
3154   * OWL_DIRECTION_UPWARDS then search backwards.
3155   *
3156   * If mode==0 then it will stay on the current message if it
3157   * contains the string.
3158   */
3159
3160  owl_view *v;
3161  int viewsize, i, curmsg, start;
3162  owl_message *m;
3163
3164  v=owl_global_get_current_view(&g);
3165  viewsize=owl_view_get_size(v);
3166  curmsg=owl_global_get_curmsg(&g);
3167 
3168  if (viewsize==0) {
3169    owl_function_error("No messages present");
3170    return;
3171  }
3172
3173  if (mode==0) {
3174    start=curmsg;
3175  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3176    start=curmsg+1;
3177  } else {
3178    start=curmsg-1;
3179  }
3180
3181  /* bounds check */
3182  if (start>=viewsize || start<0) {
3183    owl_function_error("No further matches found");
3184    return;
3185  }
3186
3187  for (i=start; i<viewsize && i>=0;) {
3188    m=owl_view_get_element(v, i);
3189    if (owl_message_search(m, owl_global_get_search_string(&g))) {
3190      owl_global_set_curmsg(&g, i);
3191      owl_function_calculate_topmsg(direction);
3192      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3193      if (direction==OWL_DIRECTION_DOWNWARDS) {
3194        owl_global_set_direction_downwards(&g);
3195      } else {
3196        owl_global_set_direction_upwards(&g);
3197      }
3198      return;
3199    }
3200    if (direction==OWL_DIRECTION_DOWNWARDS) {
3201      i++;
3202    } else {
3203      i--;
3204    }
3205  }
3206  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3207  owl_function_error("No matches found");
3208}
3209
3210/* strips formatting from ztext and returns the unformatted text.
3211 * caller is responsible for freeing. */
3212char *owl_function_ztext_stylestrip(char *zt)
3213{
3214  owl_fmtext fm;
3215  char *plaintext;
3216
3217  owl_fmtext_init_null(&fm);
3218  owl_fmtext_append_ztext(&fm, zt);
3219  plaintext = owl_fmtext_print_plain(&fm);
3220  owl_fmtext_free(&fm);
3221  return(plaintext);
3222}
3223
3224/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3225void owl_function_buddylist(int aim, int zephyr, char *filename)
3226{
3227  int i, j, x, idle;
3228  owl_fmtext fm;
3229  owl_buddylist *bl;
3230  owl_buddy *b;
3231  owl_list anyone;
3232  char *foo, *timestr;
3233#ifdef HAVE_LIBZEPHYR
3234  char *tmp, *user, *line;
3235  ZLocations_t location[200];
3236  int numlocs, ret;
3237#endif
3238
3239  owl_fmtext_init_null(&fm);
3240
3241  /* AIM first */
3242  if (aim && owl_global_is_aimloggedin(&g)) {
3243    bl=owl_global_get_buddylist(&g);
3244
3245    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3246    /* we're assuming AIM for now */
3247    j=owl_buddylist_get_size(bl);
3248    for (i=0; i<j; i++) {
3249      b=owl_buddylist_get_buddy_n(bl, i);
3250      idle=owl_buddy_get_idle_time(b);
3251      if (idle!=0) {
3252        timestr=owl_util_minutes_to_timestr(idle);
3253      } else {
3254        timestr=owl_strdup("");
3255      }
3256      foo=owl_sprintf("  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3257      owl_fmtext_append_normal(&fm, foo);
3258      owl_free(timestr);
3259      owl_free(foo);
3260    }
3261  }
3262
3263#ifdef HAVE_LIBZEPHYR
3264  if (zephyr) {
3265    if(!owl_global_is_havezephyr(&g)) {
3266      owl_function_error("Zephyr currently not available.");
3267    } else {
3268      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3269      owl_list_create(&anyone);
3270      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3271      if (ret) {
3272        owl_fmtext_append_normal(&fm, "  Error opening file for zephyr buddies.\n");
3273      } else {
3274        j=owl_list_get_size(&anyone);
3275        for (i=0; i<j; i++) {
3276          user=owl_list_get_element(&anyone, i);
3277          ret=ZLocateUser(user, &numlocs, ZAUTH);
3278          if (ret!=ZERR_NONE) {
3279            owl_function_error("Error getting location for %s", user);
3280            continue;
3281          }
3282
3283          numlocs=200;
3284          ret=ZGetLocations(location, &numlocs);
3285          if (ret==0) {
3286            for (x=0; x<numlocs; x++) {
3287              line=owl_malloc(strlen(location[x].host)+strlen(location[x].time)+strlen(location[x].tty)+100);
3288              tmp=short_zuser(user);
3289              sprintf(line, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3290                      tmp,
3291                      location[x].host,
3292                      location[x].tty,
3293                      location[x].time);
3294              owl_fmtext_append_normal(&fm, line);
3295              owl_free(tmp);
3296              owl_free(line);
3297            }
3298            if (numlocs>=200) {
3299              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3300            }
3301          }
3302        }
3303      }
3304      owl_list_free_all(&anyone, owl_free);
3305    } 
3306  }
3307#endif
3308
3309  if(aim && zephyr) {
3310      if(owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3311          char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3312          if(perlblist) {
3313              owl_fmtext_append_ztext(&fm, perlblist);
3314              owl_free(perlblist);
3315          }
3316      }
3317  }
3318 
3319  owl_function_popless_fmtext(&fm);
3320  owl_fmtext_free(&fm);
3321}
3322
3323/* Dump messages in the current view to the file 'filename'. */
3324void owl_function_dump(char *filename) 
3325{
3326  int i, j, count;
3327  owl_message *m;
3328  owl_view *v;
3329  FILE *file;
3330  char *plaintext;
3331
3332  v=owl_global_get_current_view(&g);
3333
3334  /* in the future make it ask yes/no */
3335  /*
3336  ret=stat(filename, &sbuf);
3337  if (!ret) {
3338    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3339    if (!ret) return;
3340  }
3341  */
3342
3343  file=fopen(filename, "w");
3344  if (!file) {
3345    owl_function_error("Error opening file");
3346    return;
3347  }
3348
3349  count=0;
3350  j=owl_view_get_size(v);
3351  for (i=0; i<j; i++) {
3352    m=owl_view_get_element(v, i);
3353    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3354    if (plaintext) {
3355      fputs(plaintext, file);
3356      owl_free(plaintext);
3357    }
3358  }
3359  fclose(file);
3360  owl_function_makemsg("Messages dumped to %s", filename);
3361}
3362
3363void owl_function_do_newmsgproc(void)
3364{
3365  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3366    /* if there's a process out there, we need to check on it */
3367    if (owl_global_get_newmsgproc_pid(&g)) {
3368      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3369      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3370      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3371      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3372        /* it exited */
3373        owl_global_set_newmsgproc_pid(&g, 0);
3374        owl_function_debugmsg("newmsgproc exited");
3375      } else {
3376        owl_function_debugmsg("newmsgproc did not exit");
3377      }
3378    }
3379   
3380    /* if it exited, fork & exec a new one */
3381    if (owl_global_get_newmsgproc_pid(&g)==0) {
3382      int i, myargc;
3383      i=fork();
3384      if (i) {
3385        /* parent set the child's pid */
3386        owl_global_set_newmsgproc_pid(&g, i);
3387        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3388      } else {
3389        /* child exec's the program */
3390        char **parsed;
3391        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3392        if (myargc < 0) {
3393          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3394        }
3395        if (myargc <= 0) {
3396          _exit(127);
3397        }
3398        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3399        parsed[myargc] = NULL;
3400       
3401        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3402       
3403        execvp(parsed[0], parsed);
3404       
3405       
3406        /* was there an error exec'ing? */
3407        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3408                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3409        _exit(127);
3410      }
3411    }
3412  }
3413}
3414
3415/* print the xterm escape sequence to raise the window */
3416void owl_function_xterm_raise(void)
3417{
3418  printf("\033[5t");
3419}
3420
3421/* print the xterm escape sequence to deiconify the window */
3422void owl_function_xterm_deiconify(void)
3423{
3424  printf("\033[1t");
3425}
3426
3427/* Add the specified command to the startup file.  Eventually this
3428 * should be clever, and rewriting settings that will obviosly
3429 * override earlier settings with 'set' 'bindkey' and 'alias'
3430 * commands.  For now though we just remove any line that would
3431 * duplicate this one and then append this line to the end of
3432 * startupfile.
3433 */
3434void owl_function_addstartup(char *buff)
3435{
3436  FILE *file;
3437  char *filename;
3438
3439  filename=owl_global_get_startupfile(&g);
3440  file=fopen(filename, "a");
3441  if (!file) {
3442    owl_function_error("Error opening startupfile for new command");
3443    return;
3444  }
3445
3446  /* delete earlier copies */
3447  owl_util_file_deleteline(filename, buff, 1);
3448
3449  /* add this line */
3450  fprintf(file, "%s\n", buff);
3451
3452  fclose(file);
3453}
3454
3455/* Remove the specified command from the startup file. */
3456void owl_function_delstartup(char *buff)
3457{
3458  char *filename;
3459  filename=owl_global_get_startupfile(&g);
3460  owl_util_file_deleteline(filename, buff, 1);
3461}
3462
3463/* Execute owl commands from the given filename.  If the filename
3464 * is NULL, use the default owl startup commands file.
3465 */
3466void owl_function_source(char *filename)
3467{
3468  FILE *file;
3469  char buff[LINE];
3470  int fail_silent = 0;
3471
3472  if (!filename) {
3473    fail_silent = 1;
3474    filename=owl_global_get_startupfile(&g);
3475  }
3476  file=fopen(filename, "r");
3477  if (!file) {
3478    if (!fail_silent) {
3479      owl_function_error("Error opening file: %s", filename);
3480    }
3481    return;
3482  }
3483  while (fgets(buff, LINE, file)!=NULL) {
3484    if (buff[0] == '#') continue;
3485    buff[strlen(buff)-1]='\0';
3486    owl_function_command(buff);
3487  }
3488  fclose(file);
3489}
3490
3491void owl_function_change_style(owl_view *v, char *stylename)
3492{
3493  owl_style *s;
3494
3495  s=owl_global_get_style_by_name(&g, stylename);
3496  if (!s) {
3497    owl_function_error("No style named %s", stylename);
3498    return;
3499  }
3500  owl_view_set_style(v, s);
3501  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3502  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3503  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3504}
3505
3506void owl_function_toggleoneline()
3507{
3508  owl_view *v;
3509  owl_style *s;
3510
3511  v=owl_global_get_current_view(&g);
3512  s=owl_view_get_style(v);
3513
3514  if (!owl_style_matches_name(s, "oneline")) {
3515    owl_function_change_style(v, "oneline");
3516  } else {
3517    owl_function_change_style(v, owl_global_get_default_style(&g));
3518  }
3519
3520  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3521  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3522  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3523}
3524
3525void owl_function_error(char *fmt, ...)
3526{
3527  va_list ap;
3528  char buff[2048], buff2[2048];
3529  char *date;
3530  time_t now;
3531
3532  now=time(NULL);
3533  date=owl_strdup(ctime(&now));
3534  date[strlen(date)-1]='\0';
3535
3536  va_start(ap, fmt);
3537
3538  vsnprintf(buff, 2048, fmt, ap);
3539  sprintf(buff2, "%s %s", date, buff);
3540  owl_function_debugmsg("ERROR: %s", buff);
3541  if (owl_global_get_curs_msgwin(&g)) {
3542    werase(owl_global_get_curs_msgwin(&g));
3543    waddstr(owl_global_get_curs_msgwin(&g), buff); 
3544    wnoutrefresh(owl_global_get_curs_msgwin(&g));
3545    owl_global_set_needrefresh(&g);
3546  }
3547  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff2);
3548  va_end(ap);
3549  owl_free(date);
3550}
3551
3552void owl_function_showerrs()
3553{
3554  owl_fmtext fm;
3555
3556  owl_fmtext_init_null(&fm);
3557  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3558  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3559  owl_function_popless_fmtext(&fm);
3560}
3561
3562void owl_function_makemsg(char *fmt, ...)
3563{
3564  va_list ap;
3565  char buff[2048];
3566
3567  if (!owl_global_get_curs_msgwin(&g)) return;
3568
3569  va_start(ap, fmt);
3570  werase(owl_global_get_curs_msgwin(&g));
3571 
3572  vsnprintf(buff, 2048, fmt, ap);
3573  owl_function_debugmsg("makemsg: %s", buff);
3574  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3575  wnoutrefresh(owl_global_get_curs_msgwin(&g));
3576  owl_global_set_needrefresh(&g);
3577  va_end(ap);
3578}
3579
3580/* get locations for everyone in .anyone.  If 'notify' is '1' then
3581 * send a pseudo login or logout message for everyone not in sync with
3582 * the global zephyr buddy list.  The list is updated regardless of
3583 * the status of 'notify'.
3584 */
3585void owl_function_zephyr_buddy_check(int notify)
3586{
3587#ifdef HAVE_LIBZEPHYR
3588  int i, j;
3589  owl_list anyone;
3590  owl_message *m;
3591  owl_zbuddylist *zbl;
3592  char *user;
3593  ZLocations_t location[200];
3594  int numlocs, ret;
3595
3596  zbl=owl_global_get_zephyr_buddylist(&g);
3597
3598  owl_list_create(&anyone);
3599  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3600
3601  j=owl_list_get_size(&anyone);
3602  for (i=0; i<j; i++) {
3603    user=owl_list_get_element(&anyone, i);
3604    ret=ZLocateUser(user, &numlocs, ZAUTH);
3605    if (ret!=ZERR_NONE) {
3606      owl_function_error("Error getting location for %s", user);
3607      continue;
3608    }
3609    numlocs=200;
3610    ret=ZGetLocations(location, &numlocs);
3611    if (ret==0) {
3612      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3613        /* Send a PSEUDO LOGIN! */
3614        if (notify) {
3615          m=owl_malloc(sizeof(owl_message));
3616          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3617          owl_global_messagequeue_addmsg(&g, m);
3618        }
3619        owl_zbuddylist_adduser(zbl, user);
3620        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3621      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3622        /* I don't think this ever happens (if there are 0 locations we should get an error from
3623         * ZGetLocations)
3624         */
3625        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3626      }
3627    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3628      /* Send a PSEUDO LOGOUT! */
3629      if (notify) {
3630        m=owl_malloc(sizeof(owl_message));
3631        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3632        owl_global_messagequeue_addmsg(&g, m);
3633      }
3634      owl_zbuddylist_deluser(zbl, user);
3635      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3636    }
3637  }
3638
3639  owl_list_free_all(&anyone, owl_free);
3640#endif
3641}
3642
3643void owl_function_aimsearch_results(char *email, owl_list *namelist)
3644{
3645  owl_fmtext fm;
3646  int i, j;
3647
3648  owl_fmtext_init_null(&fm);
3649  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3650  owl_fmtext_append_normal(&fm, email);
3651  owl_fmtext_append_normal(&fm, ":\n");
3652
3653  j=owl_list_get_size(namelist);
3654  for (i=0; i<j; i++) {
3655    owl_fmtext_append_normal(&fm, "  ");
3656    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3657    owl_fmtext_append_normal(&fm, "\n");
3658  }
3659
3660  owl_function_popless_fmtext(&fm);
3661  owl_fmtext_free(&fm);
3662}
3663
3664int owl_function_get_color_count()
3665{
3666     return COLORS;
3667}
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