source: message.c @ 0fef6eb

release-1.6release-1.7release-1.8release-1.9
Last change on this file since 0fef6eb was 91634ec, checked in by Anders Kaseorg <andersk@mit.edu>, 12 years ago
Add owl_message_delete to fix leaks. Signed-off-by: Anders Kaseorg <andersk@mit.edu> Reviewed-by: Alejandro R. Sedeño <asedeno@mit.edu>
  • Property mode set to 100644
File size: 23.2 KB
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1#include <stdlib.h>
2#include <unistd.h>
3#include <string.h>
4#include <sys/socket.h>
5#include <netdb.h>
6#include <sys/types.h>
7#include <sys/socket.h>
8#include <netinet/in.h>
9#include <arpa/inet.h>
10#include <time.h>
11#include "owl.h"
12
13static owl_fmtext_cache fmtext_cache[OWL_FMTEXT_CACHE_SIZE];
14static owl_fmtext_cache * fmtext_cache_next = fmtext_cache;
15
16void owl_message_init_fmtext_cache(void)
17{
18    int i;
19    for(i = 0; i < OWL_FMTEXT_CACHE_SIZE; i++) {
20        owl_fmtext_init_null(&(fmtext_cache[i].fmtext));
21        fmtext_cache[i].message = NULL;
22    }
23}
24
25static owl_fmtext_cache *owl_message_next_fmtext(void)
26{
27    owl_fmtext_cache * f = fmtext_cache_next;
28    if(fmtext_cache_next->message != NULL) {
29        owl_message_invalidate_format(fmtext_cache_next->message);
30    }
31    fmtext_cache_next++;
32    if(fmtext_cache_next - fmtext_cache == OWL_FMTEXT_CACHE_SIZE)
33        fmtext_cache_next = fmtext_cache;
34    return f;
35}
36
37void owl_message_init(owl_message *m)
38{
39  m->id=owl_global_get_nextmsgid(&g);
40  owl_message_set_direction_none(m);
41  m->delete=0;
42
43  owl_message_set_hostname(m, "");
44  owl_list_create(&(m->attributes));
45 
46  /* save the time */
47  m->time=time(NULL);
48  m->timestr=owl_strdup(ctime(&(m->time)));
49  m->timestr[strlen(m->timestr)-1]='\0';
50
51  m->fmtext = NULL;
52}
53
54/* add the named attribute to the message.  If an attribute with the
55 * name already exists, replace the old value with the new value
56 */
57void owl_message_set_attribute(owl_message *m, const char *attrname, const char *attrvalue)
58{
59  int i, j;
60  owl_pair *p = NULL, *pair = NULL;
61
62  /* look for an existing pair with this key, */
63  j=owl_list_get_size(&(m->attributes));
64  for (i=0; i<j; i++) {
65    p=owl_list_get_element(&(m->attributes), i);
66    if (!strcmp(owl_pair_get_key(p), attrname)) {
67      owl_free(owl_pair_get_value(p));
68      pair = p;
69      break;
70    }
71  }
72
73  if(pair ==  NULL) {
74    pair = owl_malloc(sizeof(owl_pair));
75    owl_pair_create(pair, owl_global_intern(&g, attrname), NULL);
76    owl_list_append_element(&(m->attributes), pair);
77  }
78  owl_pair_set_value(pair, owl_validate_or_convert(attrvalue));
79}
80
81/* return the value associated with the named attribute, or NULL if
82 * the attribute does not exist
83 */
84const char *owl_message_get_attribute_value(const owl_message *m, const char *attrname)
85{
86  int i, j;
87  owl_pair *p;
88
89  j=owl_list_get_size(&(m->attributes));
90  for (i=0; i<j; i++) {
91    p=owl_list_get_element(&(m->attributes), i);
92    if (!strcmp(owl_pair_get_key(p), attrname)) {
93      return(owl_pair_get_value(p));
94    }
95  }
96
97  /*
98  owl_function_debugmsg("No attribute %s found for message %i",
99                        attrname,
100                        owl_message_get_id(m));
101  */
102  return(NULL);
103}
104
105/* We cheat and indent it for now, since we really want this for
106 * the 'info' function.  Later there should just be a generic
107 * function to indent fmtext.
108 */
109void owl_message_attributes_tofmtext(const owl_message *m, owl_fmtext *fm) {
110  int i, j;
111  owl_pair *p;
112  char *buff;
113
114  owl_fmtext_init_null(fm);
115
116  j=owl_list_get_size(&(m->attributes));
117  for (i=0; i<j; i++) {
118    p=owl_list_get_element(&(m->attributes), i);
119    buff=owl_sprintf("  %-15.15s: %-35.35s\n", owl_pair_get_key(p), owl_pair_get_value(p));
120    if(buff == NULL) {
121      buff=owl_sprintf("  %-15.15s: %-35.35s\n", owl_pair_get_key(p), "<error>");
122      if(buff == NULL)
123        buff=owl_strdup("   <error>\n");
124    }
125    owl_fmtext_append_normal(fm, buff);
126    owl_free(buff);
127  }
128}
129
130void owl_message_invalidate_format(owl_message *m)
131{
132  if(m->fmtext) {
133    m->fmtext->message = NULL;
134    owl_fmtext_clear(&(m->fmtext->fmtext));
135    m->fmtext=NULL;
136  }
137}
138
139owl_fmtext *owl_message_get_fmtext(owl_message *m)
140{
141  owl_message_format(m);
142  return(&(m->fmtext->fmtext));
143}
144
145void owl_message_format(owl_message *m)
146{
147  const owl_style *s;
148  const owl_view *v;
149
150  if (!m->fmtext) {
151    m->fmtext = owl_message_next_fmtext();
152    m->fmtext->message = m;
153    /* for now we assume there's just the one view and use that style */
154    v=owl_global_get_current_view(&g);
155    s=owl_view_get_style(v);
156
157    owl_style_get_formattext(s, &(m->fmtext->fmtext), m);
158  }
159}
160
161void owl_message_set_class(owl_message *m, const char *class)
162{
163  owl_message_set_attribute(m, "class", class);
164}
165
166const char *owl_message_get_class(const owl_message *m)
167{
168  const char *class;
169
170  class=owl_message_get_attribute_value(m, "class");
171  if (!class) return("");
172  return(class);
173}
174
175void owl_message_set_instance(owl_message *m, const char *inst)
176{
177  owl_message_set_attribute(m, "instance", inst);
178}
179
180const char *owl_message_get_instance(const owl_message *m)
181{
182  const char *instance;
183
184  instance=owl_message_get_attribute_value(m, "instance");
185  if (!instance) return("");
186  return(instance);
187}
188
189void owl_message_set_sender(owl_message *m, const char *sender)
190{
191  owl_message_set_attribute(m, "sender", sender);
192}
193
194const char *owl_message_get_sender(const owl_message *m)
195{
196  const char *sender;
197
198  sender=owl_message_get_attribute_value(m, "sender");
199  if (!sender) return("");
200  return(sender);
201}
202
203void owl_message_set_zsig(owl_message *m, const char *zsig)
204{
205  owl_message_set_attribute(m, "zsig", zsig);
206}
207
208const char *owl_message_get_zsig(const owl_message *m)
209{
210  const char *zsig;
211
212  zsig=owl_message_get_attribute_value(m, "zsig");
213  if (!zsig) return("");
214  return(zsig);
215}
216
217void owl_message_set_recipient(owl_message *m, const char *recip)
218{
219  owl_message_set_attribute(m, "recipient", recip);
220}
221
222const char *owl_message_get_recipient(const owl_message *m)
223{
224  /* this is stupid for outgoing messages, we need to fix it. */
225
226  const char *recip;
227
228  recip=owl_message_get_attribute_value(m, "recipient");
229  if (!recip) return("");
230  return(recip);
231}
232
233void owl_message_set_realm(owl_message *m, const char *realm)
234{
235  owl_message_set_attribute(m, "realm", realm);
236}
237
238const char *owl_message_get_realm(const owl_message *m)
239{
240  const char *realm;
241 
242  realm=owl_message_get_attribute_value(m, "realm");
243  if (!realm) return("");
244  return(realm);
245}
246
247void owl_message_set_body(owl_message *m, const char *body)
248{
249  owl_message_set_attribute(m, "body", body);
250}
251
252const char *owl_message_get_body(const owl_message *m)
253{
254  const char *body;
255
256  body=owl_message_get_attribute_value(m, "body");
257  if (!body) return("");
258  return(body);
259}
260
261
262void owl_message_set_opcode(owl_message *m, const char *opcode)
263{
264  owl_message_set_attribute(m, "opcode", opcode);
265}
266
267const char *owl_message_get_opcode(const owl_message *m)
268{
269  const char *opcode;
270
271  opcode=owl_message_get_attribute_value(m, "opcode");
272  if (!opcode) return("");
273  return(opcode);
274}
275
276
277void owl_message_set_islogin(owl_message *m)
278{
279  owl_message_set_attribute(m, "loginout", "login");
280}
281
282
283void owl_message_set_islogout(owl_message *m)
284{
285  owl_message_set_attribute(m, "loginout", "logout");
286}
287
288int owl_message_is_loginout(const owl_message *m)
289{
290  const char *res;
291
292  res=owl_message_get_attribute_value(m, "loginout");
293  if (!res) return(0);
294  return(1);
295}
296
297int owl_message_is_login(const owl_message *m)
298{
299  const char *res;
300
301  res=owl_message_get_attribute_value(m, "loginout");
302  if (!res) return(0);
303  if (!strcmp(res, "login")) return(1);
304  return(0);
305}
306
307
308int owl_message_is_logout(const owl_message *m)
309{
310  const char *res;
311
312  res=owl_message_get_attribute_value(m, "loginout");
313  if (!res) return(0);
314  if (!strcmp(res, "logout")) return(1);
315  return(0);
316}
317
318void owl_message_set_isprivate(owl_message *m)
319{
320  owl_message_set_attribute(m, "isprivate", "true");
321}
322
323int owl_message_is_private(const owl_message *m)
324{
325  const char *res;
326
327  res=owl_message_get_attribute_value(m, "isprivate");
328  if (!res) return(0);
329  return !strcmp(res, "true");
330}
331
332const char *owl_message_get_timestr(const owl_message *m)
333{
334  if (m->timestr) return(m->timestr);
335  return("");
336}
337
338void owl_message_set_type_admin(owl_message *m)
339{
340  owl_message_set_attribute(m, "type", "admin");
341}
342
343void owl_message_set_type_loopback(owl_message *m)
344{
345  owl_message_set_attribute(m, "type", "loopback");
346}
347
348void owl_message_set_type_zephyr(owl_message *m)
349{
350  owl_message_set_attribute(m, "type", "zephyr");
351}
352
353void owl_message_set_type_aim(owl_message *m)
354{
355  owl_message_set_attribute(m, "type", "AIM");
356}
357
358void owl_message_set_type(owl_message *m, const char* type)
359{
360  owl_message_set_attribute(m, "type", type);
361}
362
363int owl_message_is_type(const owl_message *m, const char *type) {
364  const char * t = owl_message_get_attribute_value(m, "type");
365  if(!t) return 0;
366  return !strcasecmp(t, type);
367}
368                                               
369int owl_message_is_type_admin(const owl_message *m)
370{
371  return owl_message_is_type(m, "admin");
372}
373
374int owl_message_is_type_zephyr(const owl_message *m)
375{
376  return owl_message_is_type(m, "zephyr");
377}
378
379int owl_message_is_type_aim(const owl_message *m)
380{
381  return owl_message_is_type(m, "aim");
382}
383
384/* XXX TODO: deprecate this */
385int owl_message_is_type_jabber(const owl_message *m)
386{
387  return owl_message_is_type(m, "jabber");
388}
389
390int owl_message_is_type_loopback(const owl_message *m)
391{
392  return owl_message_is_type(m, "loopback");
393}
394
395int owl_message_is_pseudo(const owl_message *m)
396{
397  if (owl_message_get_attribute_value(m, "pseudo")) return(1);
398  return(0);
399}
400
401const char *owl_message_get_text(owl_message *m)
402{
403  owl_message_format(m);
404  return(owl_fmtext_get_text(&(m->fmtext->fmtext)));
405}
406
407void owl_message_set_direction_in(owl_message *m)
408{
409  m->direction=OWL_MESSAGE_DIRECTION_IN;
410}
411
412void owl_message_set_direction_out(owl_message *m)
413{
414  m->direction=OWL_MESSAGE_DIRECTION_OUT;
415}
416
417void owl_message_set_direction_none(owl_message *m)
418{
419  m->direction=OWL_MESSAGE_DIRECTION_NONE;
420}
421
422void owl_message_set_direction(owl_message *m, int direction)
423{
424  m->direction=direction;
425}
426
427int owl_message_is_direction_in(const owl_message *m)
428{
429  if (m->direction==OWL_MESSAGE_DIRECTION_IN) return(1);
430  return(0);
431}
432
433int owl_message_is_direction_out(const owl_message *m)
434{
435  if (m->direction==OWL_MESSAGE_DIRECTION_OUT) return(1);
436  return(0);
437}
438
439int owl_message_is_direction_none(const owl_message *m)
440{
441  if (m->direction==OWL_MESSAGE_DIRECTION_NONE) return(1);
442  return(0);
443}
444
445int owl_message_get_numlines(owl_message *m)
446{
447  if (m == NULL) return(0);
448  owl_message_format(m);
449  return(owl_fmtext_num_lines(&(m->fmtext->fmtext)));
450}
451
452void owl_message_mark_delete(owl_message *m)
453{
454  if (m == NULL) return;
455  m->delete=1;
456}
457
458void owl_message_unmark_delete(owl_message *m)
459{
460  if (m == NULL) return;
461  m->delete=0;
462}
463
464const char *owl_message_get_zwriteline(const owl_message *m)
465{
466  const char *z = owl_message_get_attribute_value(m, "zwriteline");
467  if (!z) return "";
468  return z;
469}
470
471void owl_message_set_zwriteline(owl_message *m, const char *line)
472{
473  owl_message_set_attribute(m, "zwriteline", line);
474}
475
476int owl_message_is_delete(const owl_message *m)
477{
478  if (m == NULL) return(0);
479  if (m->delete==1) return(1);
480  return(0);
481}
482
483#ifdef HAVE_LIBZEPHYR
484const ZNotice_t *owl_message_get_notice(const owl_message *m)
485{
486  return(&(m->notice));
487}
488#else
489void *owl_message_get_notice(const owl_message *m)
490{
491  return(NULL);
492}
493#endif
494
495void owl_message_set_hostname(owl_message *m, const char *hostname)
496{
497  m->hostname=owl_global_intern(&g, hostname);
498}
499
500const char *owl_message_get_hostname(const owl_message *m)
501{
502  return(m->hostname);
503}
504
505void owl_message_curs_waddstr(owl_message *m, WINDOW *win, int aline, int bline, int acol, int bcol, int fgcolor, int bgcolor)
506{
507  owl_fmtext a, b;
508
509  /* this will ensure that our cached copy is up to date */
510  owl_message_format(m);
511
512  owl_fmtext_init_null(&a);
513  owl_fmtext_init_null(&b);
514 
515  owl_fmtext_truncate_lines(&(m->fmtext->fmtext), aline, bline-aline, &a);
516  owl_fmtext_truncate_cols(&a, acol, bcol, &b);
517  owl_fmtext_colorize(&b, fgcolor);
518  owl_fmtext_colorizebg(&b, bgcolor);
519
520  owl_fmtext_curs_waddstr(&b, win);
521
522  owl_fmtext_free(&a);
523  owl_fmtext_free(&b);
524}
525
526int owl_message_is_personal(const owl_message *m)
527{
528  const owl_filter * f = owl_global_get_filter(&g, "personal");
529  if(!f) {
530      owl_function_error("personal filter is not defined");
531      return (0);
532  }
533  return owl_filter_message_match(f, m);
534}
535
536int owl_message_is_question(const owl_message *m)
537{
538  if(!owl_message_is_type_admin(m)) return 0;
539  if(owl_message_get_attribute_value(m, "question") != NULL) return 1;
540  return 0;
541}
542
543int owl_message_is_answered(const owl_message *m) {
544  const char *q;
545  if(!owl_message_is_question(m)) return 0;
546  q = owl_message_get_attribute_value(m, "question");
547  if(!q) return 0;
548  return !strcmp(q, "answered");
549}
550
551void owl_message_set_isanswered(owl_message *m) {
552  owl_message_set_attribute(m, "question", "answered");
553}
554
555int owl_message_is_mail(const owl_message *m)
556{
557  if (owl_message_is_type_zephyr(m)) {
558    if (!strcasecmp(owl_message_get_class(m), "mail") && owl_message_is_private(m)) {
559      return(1);
560    } else {
561      return(0);
562    }
563  }
564  return(0);
565}
566
567/* caller must free return value. */
568char *owl_message_get_cc(const owl_message *m)
569{
570  const char *cur;
571  char *out, *end;
572
573  cur = owl_message_get_body(m);
574  while (*cur && *cur==' ') cur++;
575  if (strncasecmp(cur, "cc:", 3)) return(NULL);
576  cur+=3;
577  while (*cur && *cur==' ') cur++;
578  out = owl_strdup(cur);
579  end = strchr(out, '\n');
580  if (end) end[0] = '\0';
581  return(out);
582}
583
584/* caller must free return value */
585char *owl_message_get_cc_without_recipient(const owl_message *m)
586{
587  char *cc, *out, *end, *shortuser, *recip;
588  const char *user;
589
590  cc = owl_message_get_cc(m);
591  if (cc == NULL)
592    return NULL;
593
594  recip = short_zuser(owl_message_get_recipient(m));
595  out = owl_malloc(strlen(cc) + 2);
596  end = out;
597
598  user = strtok(cc, " ");
599  while (user != NULL) {
600    shortuser = short_zuser(user);
601    if (strcasecmp(shortuser, recip) != 0) {
602      strcpy(end, user);
603      end[strlen(user)] = ' ';
604      end += strlen(user) + 1;
605    }
606    owl_free(shortuser);
607    user = strtok(NULL, " ");
608  }
609  end[0] = '\0';
610
611  owl_free(recip);
612  owl_free(cc);
613
614  if (strlen(out) == 0) {
615    owl_free(out);
616    out = NULL;
617  }
618
619  return(out);
620}
621
622int owl_message_get_id(const owl_message *m)
623{
624  return(m->id);
625}
626
627const char *owl_message_get_type(const owl_message *m) {
628  const char * type = owl_message_get_attribute_value(m, "type");
629  if(!type) {
630    return "generic";
631  }
632  return type;
633}
634
635const char *owl_message_get_direction(const owl_message *m) {
636  switch (m->direction) {
637  case OWL_MESSAGE_DIRECTION_IN:
638    return("in");
639  case OWL_MESSAGE_DIRECTION_OUT:
640    return("out");
641  case OWL_MESSAGE_DIRECTION_NONE:
642    return("none");
643  default:
644    return("unknown");
645  }
646}
647
648int owl_message_parse_direction(const char *d) {
649  if(!strcmp(d, "in")) {
650    return OWL_MESSAGE_DIRECTION_IN;
651  } else if(!strcmp(d, "out")) {
652    return OWL_MESSAGE_DIRECTION_OUT;
653  } else {
654    return OWL_MESSAGE_DIRECTION_NONE;
655  }
656}
657
658
659const char *owl_message_get_login(const owl_message *m) {
660  if (owl_message_is_login(m)) {
661    return "login";
662  } else if (owl_message_is_logout(m)) {
663    return "logout";
664  } else {
665    return "none";
666  }
667}
668
669
670const char *owl_message_get_header(const owl_message *m) {
671  return owl_message_get_attribute_value(m, "adminheader");
672}
673
674/* return 1 if the message contains "string", 0 otherwise.  This is
675 * case insensitive because the functions it uses are
676 */
677int owl_message_search(owl_message *m, const owl_regex *re)
678{
679
680  owl_message_format(m); /* is this necessary? */
681 
682  return (owl_fmtext_search(&(m->fmtext->fmtext), re));
683}
684
685
686/* if loginout == -1 it's a logout message
687 *                 0 it's not a login/logout message
688 *                 1 it's a login message
689 */
690void owl_message_create_aim(owl_message *m, const char *sender, const char *recipient, const char *text, int direction, int loginout)
691{
692  owl_message_init(m);
693  owl_message_set_body(m, text);
694  owl_message_set_sender(m, sender);
695  owl_message_set_recipient(m, recipient);
696  owl_message_set_type_aim(m);
697
698  if (direction==OWL_MESSAGE_DIRECTION_IN) {
699    owl_message_set_direction_in(m);
700  } else if (direction==OWL_MESSAGE_DIRECTION_OUT) {
701    owl_message_set_direction_out(m);
702  }
703
704  /* for now all messages that aren't loginout are private */
705  if (!loginout) {
706    owl_message_set_isprivate(m);
707  }
708
709  if (loginout==-1) {
710    owl_message_set_islogout(m);
711  } else if (loginout==1) {
712    owl_message_set_islogin(m);
713  }
714}
715
716void owl_message_create_admin(owl_message *m, const char *header, const char *text)
717{
718  owl_message_init(m);
719  owl_message_set_type_admin(m);
720  owl_message_set_body(m, text);
721  owl_message_set_attribute(m, "adminheader", header); /* just a hack for now */
722}
723
724/* caller should set the direction */
725void owl_message_create_loopback(owl_message *m, const char *text)
726{
727  owl_message_init(m);
728  owl_message_set_type_loopback(m);
729  owl_message_set_body(m, text);
730  owl_message_set_sender(m, "loopsender");
731  owl_message_set_recipient(m, "looprecip");
732  owl_message_set_isprivate(m);
733}
734
735#ifdef HAVE_LIBZEPHYR
736void owl_message_create_from_znotice(owl_message *m, const ZNotice_t *n)
737{
738#ifdef ZNOTICE_SOCKADDR
739  char hbuf[NI_MAXHOST];
740#else /* !ZNOTICE_SOCKADDR */
741  struct hostent *hent;
742#endif /* ZNOTICE_SOCKADDR */
743  const char *ptr;
744  char *tmp, *tmp2;
745  int len;
746
747  owl_message_init(m);
748 
749  owl_message_set_type_zephyr(m);
750  owl_message_set_direction_in(m);
751 
752  /* first save the full notice */
753  memcpy(&(m->notice), n, sizeof(ZNotice_t));
754
755  /* a little gross, we'll replace \r's with ' ' for now */
756  owl_zephyr_hackaway_cr(&(m->notice));
757 
758  /* save the time, we need to nuke the string saved by message_init */
759  if (m->timestr) owl_free(m->timestr);
760  m->time=n->z_time.tv_sec;
761  m->timestr=owl_strdup(ctime(&(m->time)));
762  m->timestr[strlen(m->timestr)-1]='\0';
763
764  /* set other info */
765  owl_message_set_sender(m, n->z_sender);
766  owl_message_set_class(m, n->z_class);
767  owl_message_set_instance(m, n->z_class_inst);
768  owl_message_set_recipient(m, n->z_recipient);
769  if (n->z_opcode) {
770    owl_message_set_opcode(m, n->z_opcode);
771  } else {
772    owl_message_set_opcode(m, "");
773  }
774  owl_message_set_zsig(m, owl_zephyr_get_zsig(n, &len));
775
776  if ((ptr=strchr(n->z_recipient, '@'))!=NULL) {
777    owl_message_set_realm(m, ptr+1);
778  } else {
779    owl_message_set_realm(m, owl_zephyr_get_realm());
780  }
781
782  /* Set the "isloginout" attribute if it's a login message */
783  if (!strcasecmp(n->z_class, "login") || !strcasecmp(n->z_class, OWL_WEBZEPHYR_CLASS)) {
784    if (!strcasecmp(n->z_opcode, "user_login") || !strcasecmp(n->z_opcode, "user_logout")) {
785      tmp=owl_zephyr_get_field(n, 1);
786      owl_message_set_attribute(m, "loginhost", tmp);
787      owl_free(tmp);
788
789      tmp=owl_zephyr_get_field(n, 3);
790      owl_message_set_attribute(m, "logintty", tmp);
791      owl_free(tmp);
792    }
793
794    if (!strcasecmp(n->z_opcode, "user_login")) {
795      owl_message_set_islogin(m);
796    } else if (!strcasecmp(n->z_opcode, "user_logout")) {
797      owl_message_set_islogout(m);
798    }
799  }
800
801 
802  /* set the "isprivate" attribute if it's a private zephyr.
803   ``private'' means recipient is non-empty and doesn't start wit
804   `@' */
805  if (*n->z_recipient && *n->z_recipient != '@') {
806    owl_message_set_isprivate(m);
807  }
808
809  /* set the "isauto" attribute if it's an autoreply */
810  if (!strcasecmp(n->z_message, "Automated reply:") ||
811      !strcasecmp(n->z_opcode, "auto")) {
812    owl_message_set_attribute(m, "isauto", "");
813  }
814
815  /* save the hostname */
816#ifdef ZNOTICE_SOCKADDR
817  owl_function_debugmsg("About to do getnameinfo");
818  if (getnameinfo(&n->z_sender_sockaddr.sa, sizeof(n->z_sender_sockaddr), hbuf, sizeof(hbuf), NULL, 0, 0) == 0)
819    owl_message_set_hostname(m, hbuf);
820#else /* !ZNOTICE_SOCKADDR */
821  owl_function_debugmsg("About to do gethostbyaddr");
822  hent = gethostbyaddr(&n->z_uid.zuid_addr, sizeof(n->z_uid.zuid_addr), AF_INET);
823  if (hent && hent->h_name)
824    owl_message_set_hostname(m, hent->h_name);
825  else
826    owl_message_set_hostname(m, inet_ntoa(n->z_sender_addr));
827#endif /* ZNOTICE_SOCKADDR */
828
829  /* set the body */
830  tmp=owl_zephyr_get_message(n, m);
831  if (owl_global_is_newlinestrip(&g)) {
832    tmp2=owl_util_stripnewlines(tmp);
833    owl_message_set_body(m, tmp2);
834    owl_free(tmp2);
835  } else {
836    owl_message_set_body(m, tmp);
837  }
838  owl_free(tmp);
839
840#ifdef OWL_ENABLE_ZCRYPT
841  /* if zcrypt is enabled try to decrypt the message */
842  if (owl_global_is_zcrypt(&g) && !strcasecmp(n->z_opcode, "crypt")) {
843    char *out = owl_zcrypt_decrypt(owl_message_get_body(m), owl_message_get_class(m), owl_message_get_instance(m));
844    if (out) {
845      owl_message_set_body(m, out);
846      owl_free(out);
847    }
848  }
849#endif 
850}
851#else
852void owl_message_create_from_znotice(owl_message *m, const void *n)
853{
854}
855#endif
856
857/* If 'direction' is '0' it is a login message, '1' is a logout message. */
858void owl_message_create_pseudo_zlogin(owl_message *m, int direction, const char *user, const char *host, const char *time, const char *tty)
859{
860  char *longuser;
861  const char *ptr;
862
863#ifdef HAVE_LIBZEPHYR
864  memset(&(m->notice), 0, sizeof(ZNotice_t));
865#endif
866 
867  longuser=long_zuser(user);
868 
869  owl_message_init(m);
870 
871  owl_message_set_type_zephyr(m);
872  owl_message_set_direction_in(m);
873
874  owl_message_set_attribute(m, "pseudo", "");
875  owl_message_set_attribute(m, "loginhost", host ? host : "");
876  owl_message_set_attribute(m, "logintty", tty ? tty : "");
877
878  owl_message_set_sender(m, longuser);
879  owl_message_set_class(m, "LOGIN");
880  owl_message_set_instance(m, longuser);
881  owl_message_set_recipient(m, "");
882  if (direction==0) {
883    owl_message_set_opcode(m, "USER_LOGIN");
884    owl_message_set_islogin(m);
885  } else if (direction==1) {
886    owl_message_set_opcode(m, "USER_LOGOUT");
887    owl_message_set_islogout(m);
888  }
889
890  if ((ptr=strchr(longuser, '@'))!=NULL) {
891    owl_message_set_realm(m, ptr+1);
892  } else {
893    owl_message_set_realm(m, owl_zephyr_get_realm());
894  }
895
896  owl_message_set_body(m, "<uninitialized>");
897
898  /* save the hostname */
899  owl_function_debugmsg("create_pseudo_login: host is %s", host ? host : "");
900  owl_message_set_hostname(m, host ? host : "");
901  owl_free(longuser);
902}
903
904void owl_message_create_from_zwrite(owl_message *m, const owl_zwrite *z, const char *body)
905{
906  int ret;
907  char hostbuff[5000];
908 
909  owl_message_init(m);
910
911  /* set things */
912  owl_message_set_direction_out(m);
913  owl_message_set_type_zephyr(m);
914  owl_message_set_sender(m, owl_zephyr_get_sender());
915  owl_message_set_class(m, owl_zwrite_get_class(z));
916  owl_message_set_instance(m, owl_zwrite_get_instance(z));
917  if (owl_zwrite_get_numrecips(z)>0) {
918    char *longzuser = long_zuser(owl_zwrite_get_recip_n(z, 0));
919    owl_message_set_recipient(m,
920                              longzuser); /* only gets the first user, must fix */
921    owl_free(longzuser);
922  }
923  owl_message_set_opcode(m, owl_zwrite_get_opcode(z));
924  owl_message_set_realm(m, owl_zwrite_get_realm(z)); /* also a hack, but not here */
925  if(z->zwriteline) {
926    owl_message_set_zwriteline(m, z->zwriteline);
927  }
928  owl_message_set_body(m, body);
929  owl_message_set_zsig(m, owl_zwrite_get_zsig(z));
930 
931  /* save the hostname */
932  ret=gethostname(hostbuff, MAXHOSTNAMELEN);
933  hostbuff[MAXHOSTNAMELEN]='\0';
934  if (ret) {
935    owl_message_set_hostname(m, "localhost");
936  } else {
937    owl_message_set_hostname(m, hostbuff);
938  }
939
940  /* set the "isprivate" attribute if it's a private zephyr. */
941  if (owl_zwrite_is_personal(z)) {
942    owl_message_set_isprivate(m);
943  }
944}
945
946void owl_message_free(owl_message *m)
947{
948  int i, j;
949  owl_pair *p;
950#ifdef HAVE_LIBZEPHYR   
951  if (owl_message_is_type_zephyr(m) && owl_message_is_direction_in(m)) {
952    ZFreeNotice(&(m->notice));
953  }
954#endif
955  if (m->timestr) owl_free(m->timestr);
956
957  /* free all the attributes */
958  j=owl_list_get_size(&(m->attributes));
959  for (i=0; i<j; i++) {
960    p=owl_list_get_element(&(m->attributes), i);
961    owl_free(owl_pair_get_value(p));
962    owl_free(p);
963  }
964
965  owl_list_free_simple(&(m->attributes));
966 
967  owl_message_invalidate_format(m);
968}
969
970void owl_message_delete(owl_message *m)
971{
972  owl_message_free(m);
973  owl_free(m);
974}
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