source: zephyr.c @ fc7481a

release-1.8release-1.9
Last change on this file since fc7481a was fc7481a, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
strndup is pretty awesome and doesn't involve adding 5
  • Property mode set to 100644
File size: 36.8 KB
Line 
1#include <stdlib.h>
2#include <unistd.h>
3#include <sys/types.h>
4#include <sys/wait.h>
5#include <sys/stat.h>
6#include <string.h>
7#include "owl.h"
8
9#ifdef HAVE_LIBZEPHYR
10static GList *deferred_subs = NULL;
11
12typedef struct _owl_sub_list {                            /* noproto */
13  ZSubscription_t *subs;
14  int nsubs;
15} owl_sub_list;
16
17Code_t ZResetAuthentication(void);
18#endif
19
20#define HM_SVC_FALLBACK         htons((unsigned short) 2104)
21
22static char *owl_zephyr_dotfile(const char *name, const char *input)
23{
24  if (input != NULL)
25    return owl_strdup(input);
26  else
27    return owl_sprintf("%s/%s", owl_global_get_homedir(&g), name);
28}
29
30#ifdef HAVE_LIBZEPHYR
31void owl_zephyr_initialize(void)
32{
33  int ret;
34  struct servent *sp;
35  struct sockaddr_in sin;
36  ZNotice_t req;
37  Code_t code;
38
39  /*
40   * Code modified from libzephyr's ZhmStat.c
41   *
42   * Modified to add the fd to our select loop, rather than hanging
43   * until we get an ack.
44   */
45
46  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
47    owl_function_error("Error opening Zephyr port: %s", error_message(ret));
48    return;
49  }
50
51  (void) memset(&sin, 0, sizeof(struct sockaddr_in));
52
53  sp = getservbyname(HM_SVCNAME, "udp");
54
55  sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
56  sin.sin_family = AF_INET;
57
58  sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
59
60  (void) memset(&req, 0, sizeof(req));
61  req.z_kind = STAT;
62  req.z_port = 0;
63  req.z_class = zstr(HM_STAT_CLASS);
64  req.z_class_inst = zstr(HM_STAT_CLIENT);
65  req.z_opcode = zstr(HM_GIMMESTATS);
66  req.z_sender = zstr("");
67  req.z_recipient = zstr("");
68  req.z_default_format = zstr("");
69  req.z_message_len = 0;
70
71  if ((code = ZSetDestAddr(&sin)) != ZERR_NONE) {
72    owl_function_error("Initializing Zephyr: %s", error_message(code));
73    return;
74  }
75
76  if ((code = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE) {
77    owl_function_error("Initializing Zephyr: %s", error_message(code));
78    return;
79  }
80
81  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_finish_initialization, NULL, NULL);
82}
83
84void owl_zephyr_finish_initialization(const owl_io_dispatch *d, void *data) {
85  Code_t code;
86  char *perl;
87
88  owl_select_remove_io_dispatch(d);
89
90  ZClosePort();
91
92  if ((code = ZInitialize()) != ZERR_NONE) {
93    owl_function_error("Initializing Zephyr: %s", error_message(code));
94    return;
95  }
96
97  if ((code = ZOpenPort(NULL)) != ZERR_NONE) {
98    owl_function_error("Initializing Zephyr: %s", error_message(code));
99    return;
100  }
101
102  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_process_events, NULL, NULL);
103
104  owl_global_set_havezephyr(&g);
105
106  if(g.load_initial_subs) {
107    owl_zephyr_load_initial_subs();
108  }
109  while(deferred_subs != NULL) {
110    owl_sub_list *subs = deferred_subs->data;
111    owl_function_debugmsg("Loading %d deferred subs.", subs->nsubs);
112    owl_zephyr_loadsubs_helper(subs->subs, subs->nsubs);
113    deferred_subs = g_list_delete_link(deferred_subs, deferred_subs);
114    owl_free(subs);
115  }
116
117  /* zlog in if we need to */
118  if (owl_global_is_startuplogin(&g)) {
119    owl_function_debugmsg("startup: doing zlog in");
120    owl_zephyr_zlog_in();
121  }
122  /* check pseudo-logins if we need to */
123  if (owl_global_is_pseudologins(&g)) {
124    owl_function_debugmsg("startup: checking pseudo-logins");
125    owl_function_zephyr_buddy_check(0);
126  }
127
128  perl = owl_perlconfig_execute("BarnOwl::Zephyr::_zephyr_startup()");
129  owl_free(perl);
130
131  owl_select_add_pre_select_action(owl_zephyr_pre_select_action, NULL, NULL);
132}
133
134void owl_zephyr_load_initial_subs(void) {
135  int ret_sd, ret_bd, ret_u;
136
137  owl_function_debugmsg("startup: loading initial zephyr subs");
138
139  /* load default subscriptions */
140  ret_sd = owl_zephyr_loaddefaultsubs();
141
142  /* load Barnowl default subscriptions */
143  ret_bd = owl_zephyr_loadbarnowldefaultsubs();
144
145  /* load subscriptions from subs file */
146  ret_u = owl_zephyr_loadsubs(NULL, 0);
147
148  if (ret_sd || ret_bd || ret_u) {
149    owl_function_error("Error loading zephyr subscriptions");
150  }
151
152  /* load login subscriptions */
153  if (owl_global_is_loginsubs(&g)) {
154    owl_function_debugmsg("startup: loading login subs");
155    owl_function_loadloginsubs(NULL);
156  }
157}
158#else
159void owl_zephyr_initialize(void)
160{
161}
162#endif
163
164
165int owl_zephyr_shutdown(void)
166{
167#ifdef HAVE_LIBZEPHYR
168  if(owl_global_is_havezephyr(&g)) {
169    unsuball();
170    ZClosePort();
171  }
172#endif
173  return 0;
174}
175
176int owl_zephyr_zpending(void)
177{
178#ifdef HAVE_LIBZEPHYR
179  Code_t code;
180  if(owl_global_is_havezephyr(&g)) {
181    if((code = ZPending()) < 0) {
182      owl_function_debugmsg("Error (%s) in ZPending()\n",
183                            error_message(code));
184      return 0;
185    }
186    return code;
187  }
188#endif
189  return 0;
190}
191
192const char *owl_zephyr_get_realm(void)
193{
194#ifdef HAVE_LIBZEPHYR
195  if (owl_global_is_havezephyr(&g))
196    return(ZGetRealm());
197#endif
198  return "";
199}
200
201const char *owl_zephyr_get_sender(void)
202{
203#ifdef HAVE_LIBZEPHYR
204  if (owl_global_is_havezephyr(&g))
205    return(ZGetSender());
206#endif
207  return "";
208}
209
210#ifdef HAVE_LIBZEPHYR
211int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
212{
213  int ret = 0;
214  if (owl_global_is_havezephyr(&g)) {
215    int i;
216    /* sub without defaults */
217    if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
218      owl_function_error("Error subscribing to zephyr notifications.");
219      ret=-2;
220    }
221
222    /* free stuff */
223    for (i=0; i<count; i++) {
224      owl_free(subs[i].zsub_class);
225      owl_free(subs[i].zsub_classinst);
226      owl_free(subs[i].zsub_recipient);
227    }
228
229    owl_free(subs);
230  } else {
231    owl_sub_list *s = owl_malloc(sizeof(owl_sub_list));
232    s->subs = subs;
233    s->nsubs = count;
234    deferred_subs = g_list_append(deferred_subs, s);
235  }
236
237  return ret;
238}
239#endif
240
241/* Load zephyr subscriptions from 'filename'.  If 'filename' is NULL,
242 * the default file $HOME/.zephyr.subs will be used.
243 *
244 * Returns 0 on success.  If the file does not exist, return -1 if
245 * 'error_on_nofile' is 1, otherwise return 0.  Return -1 if the file
246 * exists but can not be read.  Return -2 if there is a failure from
247 * zephyr to load the subscriptions.
248 */
249int owl_zephyr_loadsubs(const char *filename, int error_on_nofile)
250{
251#ifdef HAVE_LIBZEPHYR
252  FILE *file;
253  char *tmp, *start;
254  char *buffer = NULL;
255  char *subsfile;
256  ZSubscription_t *subs;
257  int subSize = 1024;
258  int count;
259  struct stat statbuff;
260
261  subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
262  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
263
264  if (stat(subsfile, &statbuff) != 0) {
265    owl_free(subsfile);
266    if (error_on_nofile == 1)
267      return -1;
268    return 0;
269  }
270
271  ZResetAuthentication();
272  count = 0;
273  file = fopen(subsfile, "r");
274  owl_free(subsfile);
275  if (!file)
276    return -1;
277  while (owl_getline(&buffer, file)) {
278    if (buffer[0] == '#' || buffer[0] == '\n')
279        continue;
280
281    if (buffer[0] == '-')
282      start = buffer + 1;
283    else
284      start = buffer;
285
286    if (count >= subSize) {
287      subSize *= 2;
288      subs = owl_realloc(subs, sizeof(ZSubscription_t) * subSize);
289    }
290   
291    /* add it to the list of subs */
292    if ((tmp = strtok(start, ",\n\r")) == NULL)
293      continue;
294    subs[count].zsub_class = owl_strdup(tmp);
295    if ((tmp=strtok(NULL, ",\n\r")) == NULL)
296      continue;
297    subs[count].zsub_classinst = owl_strdup(tmp);
298    if ((tmp = strtok(NULL, " \t\n\r")) == NULL)
299      continue;
300    subs[count].zsub_recipient = owl_strdup(tmp);
301
302    /* if it started with '-' then add it to the global punt list, and
303     * remove it from the list of subs. */
304    if (buffer[0] == '-') {
305      owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
306      owl_free(subs[count].zsub_class);
307      owl_free(subs[count].zsub_classinst);
308      owl_free(subs[count].zsub_recipient);
309    } else {
310      count++;
311    }
312  }
313  fclose(file);
314  if (buffer)
315    owl_free(buffer);
316
317  return owl_zephyr_loadsubs_helper(subs, count);
318#else
319  return 0;
320#endif
321}
322
323/* Load default Barnowl subscriptions
324 *
325 * Returns 0 on success.
326 * Return -2 if there is a failure from zephyr to load the subscriptions.
327 */
328int owl_zephyr_loadbarnowldefaultsubs(void)
329{
330#ifdef HAVE_LIBZEPHYR
331  ZSubscription_t *subs;
332  int subSize = 10; /* Max Barnowl default subs we allow */
333  int count, ret;
334
335  subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
336  ZResetAuthentication();
337  count=0;
338
339  subs[count].zsub_class=owl_strdup("message");
340  subs[count].zsub_classinst=owl_strdup("*");
341  subs[count].zsub_recipient=owl_strdup("%me%");
342  count++;
343
344  ret = owl_zephyr_loadsubs_helper(subs, count);
345  return(ret);
346#else
347  return(0);
348#endif
349}
350
351int owl_zephyr_loaddefaultsubs(void)
352{
353#ifdef HAVE_LIBZEPHYR
354  if (owl_global_is_havezephyr(&g)) {
355    ZSubscription_t subs[10];
356   
357    if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
358      owl_function_error("Error subscribing to default zephyr notifications.");
359      return(-1);
360    }
361  }
362  return(0);
363#else
364  return(0);
365#endif
366}
367
368int owl_zephyr_loadloginsubs(const char *filename)
369{
370#ifdef HAVE_LIBZEPHYR
371  FILE *file;
372  ZSubscription_t *subs;
373  int numSubs = 100;
374  char *subsfile;
375  char *buffer = NULL;
376  int count;
377  struct stat statbuff;
378
379  subs = owl_malloc(numSubs * sizeof(ZSubscription_t));
380  subsfile = owl_zephyr_dotfile(".anyone", filename);
381
382  if (stat(subsfile, &statbuff) == -1) {
383    owl_free(subs);
384    owl_free(subsfile);
385    return 0;
386  }
387
388  ZResetAuthentication();
389  count = 0;
390  file = fopen(subsfile, "r");
391  owl_free(subsfile);
392  if (file) {
393    while (owl_getline_chomp(&buffer, file)) {
394      if (buffer[0] == '\0' || buffer[0] == '#')
395        continue;
396
397      if (count == numSubs) {
398        numSubs *= 2;
399        subs = owl_realloc(subs, numSubs * sizeof(ZSubscription_t));
400      }
401
402      subs[count].zsub_class = owl_strdup("login");
403      subs[count].zsub_recipient = owl_strdup("*");
404      subs[count].zsub_classinst = long_zuser(buffer);
405
406      count++;
407    }
408    fclose(file);
409  } else {
410    return 0;
411  }
412  if (buffer)
413    owl_free(buffer);
414
415  return owl_zephyr_loadsubs_helper(subs, count);
416#else
417  return 0;
418#endif
419}
420
421void unsuball(void)
422{
423#if HAVE_LIBZEPHYR
424  int ret;
425
426  ZResetAuthentication();
427  ret=ZCancelSubscriptions(0);
428  if (ret != ZERR_NONE) {
429    com_err("owl",ret,"while unsubscribing");
430  }
431#endif
432}
433
434int owl_zephyr_sub(const char *class, const char *inst, const char *recip)
435{
436#ifdef HAVE_LIBZEPHYR
437  ZSubscription_t subs[5];
438
439  subs[0].zsub_class=zstr(class);
440  subs[0].zsub_classinst=zstr(inst);
441  subs[0].zsub_recipient=zstr(recip);
442
443  ZResetAuthentication();
444  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
445    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
446    return(-2);
447  }
448  return(0);
449#else
450  return(0);
451#endif
452}
453
454
455int owl_zephyr_unsub(const char *class, const char *inst, const char *recip)
456{
457#ifdef HAVE_LIBZEPHYR
458  ZSubscription_t subs[5];
459
460  subs[0].zsub_class=zstr(class);
461  subs[0].zsub_classinst=zstr(inst);
462  subs[0].zsub_recipient=zstr(recip);
463
464  ZResetAuthentication();
465  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
466    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
467    return(-2);
468  }
469  return(0);
470#else
471  return(0);
472#endif
473}
474
475/* return a pointer to the data in the Jth field, (NULL terminated by
476 * definition).  Caller must free the return.
477 */
478#ifdef HAVE_LIBZEPHYR
479char *owl_zephyr_get_field(const ZNotice_t *n, int j)
480{
481  int i, count, save;
482
483  /* If there's no message here, just run along now */
484  if (n->z_message_len == 0)
485    return(owl_strdup(""));
486
487  count=save=0;
488  for (i=0; i<n->z_message_len; i++) {
489    if (n->z_message[i]=='\0') {
490      count++;
491      if (count==j) {
492        /* just found the end of the field we're looking for */
493        return(owl_strdup(n->z_message+save));
494      } else {
495        save=i+1;
496      }
497    }
498  }
499  /* catch the last field, which might not be null terminated */
500  if (count==j-1) {
501    return g_strndup(n->z_message + save, n->z_message_len - save);
502  }
503
504  return(owl_strdup(""));
505}
506
507char *owl_zephyr_get_field_as_utf8(const ZNotice_t *n, int j)
508{
509  int i, count, save;
510
511  /* If there's no message here, just run along now */
512  if (n->z_message_len == 0)
513    return(owl_strdup(""));
514
515  count=save=0;
516  for (i = 0; i < n->z_message_len; i++) {
517    if (n->z_message[i]=='\0') {
518      count++;
519      if (count == j) {
520        /* just found the end of the field we're looking for */
521        return(owl_validate_or_convert(n->z_message + save));
522      } else {
523        save = i + 1;
524      }
525    }
526  }
527  /* catch the last field, which might not be null terminated */
528  if (count == j - 1) {
529    char *tmp, *out;
530    tmp = g_strndup(n->z_message + save, n->z_message_len - save);
531    out = owl_validate_or_convert(tmp);
532    owl_free(tmp);
533    return out;
534  }
535
536  return(owl_strdup(""));
537}
538#else
539char *owl_zephyr_get_field(void *n, int j)
540{
541  return(owl_strdup(""));
542}
543char *owl_zephyr_get_field_as_utf8(void *n, int j)
544{
545  return owl_zephyr_get_field(n, j);
546}
547#endif
548
549
550#ifdef HAVE_LIBZEPHYR
551int owl_zephyr_get_num_fields(const ZNotice_t *n)
552{
553  int i, fields;
554
555  if(n->z_message_len == 0)
556    return 0;
557
558  fields=1;
559  for (i=0; i<n->z_message_len; i++) {
560    if (n->z_message[i]=='\0') fields++;
561  }
562 
563  return(fields);
564}
565#else
566int owl_zephyr_get_num_fields(const void *n)
567{
568  return(0);
569}
570#endif
571
572#ifdef HAVE_LIBZEPHYR
573/* return a pointer to the message, place the message length in k
574 * caller must free the return
575 */
576char *owl_zephyr_get_message(const ZNotice_t *n, const owl_message *m)
577{
578  /* don't let ping messages have a body */
579  if (!strcasecmp(n->z_opcode, "ping")) {
580    return(owl_strdup(""));
581  }
582
583  /* deal with MIT NOC messages */
584  if (!strcasecmp(n->z_default_format, "@center(@bold(NOC Message))\n\n@bold(Sender:) $1 <$sender>\n@bold(Time:  ) $time\n\n@italic($opcode service on $instance $3.) $4\n")) {
585    char *msg, *field3, *field4;
586
587    field3 = owl_zephyr_get_field(n, 3);
588    field4 = owl_zephyr_get_field(n, 4);
589
590    msg = owl_sprintf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
591    owl_free(field3);
592    owl_free(field4);
593    if (msg) {
594      return msg;
595    }
596  }
597  /* deal with MIT Discuss messages */
598  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4") ||
599           !strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3\nSubject: $4")) {
600    char *msg, *field1, *field2, *field3, *field4, *field5;
601   
602    field1 = owl_zephyr_get_field(n, 1);
603    field2 = owl_zephyr_get_field(n, 2);
604    field3 = owl_zephyr_get_field(n, 3);
605    field4 = owl_zephyr_get_field(n, 4);
606    field5 = owl_zephyr_get_field(n, 5);
607   
608    msg = owl_sprintf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
609    owl_free(field1);
610    owl_free(field2);
611    owl_free(field3);
612    owl_free(field4);
613    owl_free(field5);
614    if (msg) {
615      return msg;
616    }
617  }
618  /* deal with MIT Moira messages */
619  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
620    char *msg, *field1;
621   
622    field1 = owl_zephyr_get_field(n, 1);
623   
624    msg = owl_sprintf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
625    owl_free(field1);
626    if (msg) {
627      return msg;
628    }
629  }
630
631  if (owl_zephyr_get_num_fields(n) == 1) {
632    return(owl_zephyr_get_field(n, 1));
633  }
634  else {
635    return(owl_zephyr_get_field(n, 2));
636  }
637}
638#endif
639
640#ifdef HAVE_LIBZEPHYR
641const char *owl_zephyr_get_zsig(const ZNotice_t *n, int *k)
642{
643  /* return a pointer to the zsig if there is one */
644
645  /* message length 0? No zsig */
646  if (n->z_message_len==0) {
647    *k=0;
648    return("");
649  }
650
651  /* If there's only one field, no zsig */
652  if (owl_zephyr_get_num_fields(n) == 1) {
653    *k=0;
654    return("");
655  }
656
657  /* Everything else is field 1 */
658  *k=strlen(n->z_message);
659  return(n->z_message);
660}
661#else
662const char *owl_zephyr_get_zsig(const void *n, int *k)
663{
664  return("");
665}
666#endif
667
668int send_zephyr(const char *opcode, const char *zsig, const char *class, const char *instance, const char *recipient, const char *message)
669{
670#ifdef HAVE_LIBZEPHYR
671  int ret;
672  ZNotice_t notice;
673   
674  memset(&notice, 0, sizeof(notice));
675
676  ZResetAuthentication();
677
678  if (!zsig) zsig="";
679 
680  notice.z_kind=ACKED;
681  notice.z_port=0;
682  notice.z_class=zstr(class);
683  notice.z_class_inst=zstr(instance);
684  notice.z_sender=NULL;
685  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
686    notice.z_recipient=zstr("");
687    if (*owl_global_get_zsender(&g))
688        notice.z_sender=zstr(owl_global_get_zsender(&g));
689  } else {
690    notice.z_recipient=zstr(recipient);
691  }
692  notice.z_default_format=zstr("Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2");
693  if (opcode) notice.z_opcode=zstr(opcode);
694
695  notice.z_message_len=strlen(zsig)+1+strlen(message);
696  notice.z_message=owl_malloc(notice.z_message_len+10);
697  strcpy(notice.z_message, zsig);
698  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
699
700  /* ret=ZSendNotice(&notice, ZAUTH); */
701  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
702 
703  /* free then check the return */
704  owl_free(notice.z_message);
705  ZFreeNotice(&notice);
706  if (ret!=ZERR_NONE) {
707    owl_function_error("Error sending zephyr");
708    return(ret);
709  }
710  return(0);
711#else
712  return(0);
713#endif
714}
715
716#ifdef HAVE_LIBZEPHYR
717Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
718{
719  return(ZSendPacket(buf, len, 0));
720}
721#endif
722
723void send_ping(const char *to, const char *zclass, const char *zinstance)
724{
725#ifdef HAVE_LIBZEPHYR
726  send_zephyr("PING", "", zclass, zinstance, to, "");
727#endif
728}
729
730#ifdef HAVE_LIBZEPHYR
731void owl_zephyr_handle_ack(const ZNotice_t *retnotice)
732{
733  char *tmp;
734 
735  /* if it's an HMACK ignore it */
736  if (retnotice->z_kind == HMACK) return;
737
738  if (retnotice->z_kind == SERVNAK) {
739    owl_function_error("Authorization failure sending zephyr");
740  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
741    owl_function_error("Detected server failure while receiving acknowledgement");
742  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
743    if (!strcasecmp(retnotice->z_opcode, "ping")) {
744      return;
745    } else {
746      if (strcasecmp(retnotice->z_recipient, ""))
747      { /* personal */
748        tmp=short_zuser(retnotice->z_recipient);
749        if(!strcasecmp(retnotice->z_class, "message") &&
750           !strcasecmp(retnotice->z_class_inst, "personal")) {
751          owl_function_makemsg("Message sent to %s.", tmp);
752        } else if(!strcasecmp(retnotice->z_class, "message")) { /* instanced, but not classed, personal */
753          owl_function_makemsg("Message sent to %s on -i %s\n", tmp, retnotice->z_class_inst);
754        } else { /* classed personal */
755          owl_function_makemsg("Message sent to %s on -c %s -i %s\n", tmp, retnotice->z_class, retnotice->z_class_inst);
756        }
757        owl_free(tmp);
758      } else {
759        /* class / instance message */
760          owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
761      }
762    }
763  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
764    #define BUFFLEN 1024
765    if (retnotice->z_recipient == NULL
766        || *retnotice->z_recipient == 0
767        || *retnotice->z_recipient == '@') {
768      char buff[BUFFLEN];
769      owl_function_error("No one subscribed to class %s", retnotice->z_class);
770      snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
771      owl_function_adminmsg("", buff);
772    } else {
773      char buff[BUFFLEN];
774      owl_zwrite zw;
775      char *realm;
776
777      tmp = short_zuser(retnotice->z_recipient);
778      owl_function_error("%s: Not logged in or subscribing.", tmp);
779      /*
780       * These error messages are often over 80 chars, but users who want to
781       * see the whole thing can scroll to the side, and for those with wide
782       * terminals or who don't care, not splitting saves a line in the UI
783       */
784      if(strcasecmp(retnotice->z_class, "message")) {
785        snprintf(buff, BUFFLEN,
786                 "Could not send message to %s: "
787                 "not logged in or subscribing to class %s, instance %s.\n",
788                 tmp,
789                 retnotice->z_class,
790                 retnotice->z_class_inst);
791      } else if(strcasecmp(retnotice->z_class_inst, "personal")) {
792        snprintf(buff, BUFFLEN,
793                 "Could not send message to %s: "
794                 "not logged in or subscribing to instance %s.\n",
795                 tmp,
796                 retnotice->z_class_inst);
797      } else {
798        snprintf(buff, BUFFLEN,
799                 "Could not send message to %s: "
800                 "not logged in or subscribing to messages.\n",
801                 tmp);
802      }
803      owl_function_adminmsg("", buff);
804
805      memset(&zw, 0, sizeof(zw));
806      zw.class = owl_strdup(retnotice->z_class);
807      zw.inst  = owl_strdup(retnotice->z_class_inst);
808      realm = strchr(retnotice->z_recipient, '@');
809      if(realm) {
810        zw.realm = owl_strdup(realm + 1);
811      } else {
812        zw.realm = owl_strdup(owl_zephyr_get_realm());
813      }
814      zw.opcode = owl_strdup(retnotice->z_opcode);
815      zw.zsig   = owl_strdup("");
816      owl_list_create(&(zw.recips));
817      owl_list_append_element(&(zw.recips), owl_strdup(tmp));
818
819      owl_log_outgoing_zephyr_error(&zw, buff);
820
821      owl_zwrite_cleanup(&zw);
822      owl_free(tmp);
823    }
824  } else {
825    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
826  }
827}
828#else
829void owl_zephyr_handle_ack(const void *retnotice)
830{
831}
832#endif
833
834#ifdef HAVE_LIBZEPHYR
835int owl_zephyr_notice_is_ack(const ZNotice_t *n)
836{
837  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
838    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
839    return(1);
840  }
841  return(0);
842}
843#else
844int owl_zephyr_notice_is_ack(const void *n)
845{
846  return(0);
847}
848#endif
849 
850void owl_zephyr_zaway(const owl_message *m)
851{
852#ifdef HAVE_LIBZEPHYR
853  char *tmpbuff, *myuser, *to;
854  owl_message *mout;
855  owl_zwrite *z;
856 
857  /* bail if it doesn't look like a message we should reply to.  Some
858   * of this defined by the way zaway(1) works
859   */
860  if (strcasecmp(owl_message_get_class(m), "message")) return;
861  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
862  if (!strcasecmp(owl_message_get_sender(m), "")) return;
863  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
864  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
865  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
866  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
867  if (owl_message_get_attribute_value(m, "isauto")) return;
868
869  if (owl_global_is_smartstrip(&g)) {
870    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
871  } else {
872    to=owl_strdup(owl_message_get_sender(m));
873  }
874
875  send_zephyr("",
876              "Automated reply:",
877              owl_message_get_class(m),
878              owl_message_get_instance(m),
879              to,
880              owl_global_get_zaway_msg(&g));
881
882  myuser=short_zuser(to);
883  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
884    tmpbuff = owl_sprintf("zwrite %s", myuser);
885  } else {
886    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
887  }
888  owl_free(myuser);
889  owl_free(to);
890
891  z = owl_zwrite_new(tmpbuff);
892  owl_zwrite_set_message(z, owl_global_get_zaway_msg(&g));
893  owl_zwrite_set_zsig(z, "Automated reply:");
894
895  /* display the message as an admin message in the receive window */
896  mout=owl_function_make_outgoing_zephyr(z);
897  owl_global_messagequeue_addmsg(&g, mout);
898  owl_free(tmpbuff);
899  owl_zwrite_delete(z);
900#endif
901}
902
903#ifdef HAVE_LIBZEPHYR
904void owl_zephyr_hackaway_cr(ZNotice_t *n)
905{
906  /* replace \r's with ' '.  Gross-ish */
907  int i;
908
909  for (i=0; i<n->z_message_len; i++) {
910    if (n->z_message[i]=='\r') {
911      n->z_message[i]=' ';
912    }
913  }
914}
915#endif
916
917char *owl_zephyr_zlocate(const char *user, int auth)
918{
919#ifdef HAVE_LIBZEPHYR
920  int ret, numlocs;
921  int one = 1;
922  ZLocations_t locations;
923  char *myuser;
924  char *p, *result;
925
926  ZResetAuthentication();
927  ret = ZLocateUser(zstr(user), &numlocs, auth ? ZAUTH : ZNOAUTH);
928  if (ret != ZERR_NONE)
929    return owl_sprintf("Error locating user %s: %s\n",
930                       user, error_message(ret));
931
932  myuser = short_zuser(user);
933  if (numlocs == 0) {
934    result = owl_sprintf("%s: Hidden or not logged in\n", myuser);
935  } else {
936    result = owl_strdup("");
937    for (; numlocs; numlocs--) {
938      ZGetLocations(&locations, &one);
939      p = owl_sprintf("%s%s: %s\t%s\t%s\n",
940                          result, myuser,
941                          locations.host ? locations.host : "?",
942                          locations.tty ? locations.tty : "?",
943                          locations.time ? locations.time : "?");
944      owl_free(result);
945      result = p;
946    }
947  }
948  owl_free(myuser);
949
950  return result;
951#else
952  return owl_strdup("");
953#endif
954}
955
956void owl_zephyr_addsub(const char *filename, const char *class, const char *inst, const char *recip)
957{
958#ifdef HAVE_LIBZEPHYR
959  char *line, *subsfile, *s = NULL;
960  FILE *file;
961  int duplicate = 0;
962
963  line = owl_zephyr_makesubline(class, inst, recip);
964  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
965
966  /* if the file already exists, check to see if the sub is already there */
967  file = fopen(subsfile, "r");
968  if (file) {
969    while (owl_getline(&s, file)) {
970      if (strcasecmp(s, line) == 0) {
971        owl_function_error("Subscription already present in %s", subsfile);
972        duplicate++;
973      }
974    }
975    fclose(file);
976    owl_free(s);
977  }
978
979  if (!duplicate) {
980    file = fopen(subsfile, "a");
981    if (file) {
982      fputs(line, file);
983      fclose(file);
984      owl_function_makemsg("Subscription added");
985    } else {
986      owl_function_error("Error opening file %s for writing", subsfile);
987    }
988  }
989
990  owl_free(line);
991#endif
992}
993
994void owl_zephyr_delsub(const char *filename, const char *class, const char *inst, const char *recip)
995{
996#ifdef HAVE_LIBZEPHYR
997  char *line, *subsfile;
998  int linesdeleted;
999 
1000  line=owl_zephyr_makesubline(class, inst, recip);
1001  line[strlen(line)-1]='\0';
1002
1003  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
1004 
1005  linesdeleted = owl_util_file_deleteline(subsfile, line, 1);
1006  if (linesdeleted > 0) {
1007    owl_function_makemsg("Subscription removed");
1008  } else if (linesdeleted == 0) {
1009    owl_function_error("No subscription present in %s", subsfile);
1010  }
1011  owl_free(subsfile);
1012  owl_free(line);
1013#endif
1014}
1015
1016/* caller must free the return */
1017char *owl_zephyr_makesubline(const char *class, const char *inst, const char *recip)
1018{
1019  return owl_sprintf("%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
1020}
1021
1022
1023void owl_zephyr_zlog_in(void)
1024{
1025#ifdef HAVE_LIBZEPHYR
1026  const char *exposure, *eset;
1027  int ret;
1028
1029  ZResetAuthentication();
1030   
1031  eset=EXPOSE_REALMVIS;
1032  exposure=ZGetVariable(zstr("exposure"));
1033  if (exposure==NULL) {
1034    eset=EXPOSE_REALMVIS;
1035  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
1036    eset = EXPOSE_NONE;
1037  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
1038    eset = EXPOSE_OPSTAFF;
1039  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
1040    eset = EXPOSE_REALMVIS;
1041  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
1042    eset = EXPOSE_REALMANN;
1043  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
1044    eset = EXPOSE_NETVIS;
1045  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
1046    eset = EXPOSE_NETANN;
1047  }
1048   
1049  ret=ZSetLocation(zstr(eset));
1050  if (ret != ZERR_NONE) {
1051    /*
1052      owl_function_makemsg("Error setting location: %s", error_message(ret));
1053    */
1054  }
1055#endif
1056}
1057
1058void owl_zephyr_zlog_out(void)
1059{
1060#ifdef HAVE_LIBZEPHYR
1061  int ret;
1062
1063  ZResetAuthentication();
1064  ret=ZUnsetLocation();
1065  if (ret != ZERR_NONE) {
1066    /*
1067      owl_function_makemsg("Error unsetting location: %s", error_message(ret));
1068    */
1069  }
1070#endif
1071}
1072
1073void owl_zephyr_addbuddy(const char *name)
1074{
1075  char *filename;
1076  FILE *file;
1077 
1078  filename = owl_zephyr_dotfile(".anyone", NULL);
1079  file = fopen(filename, "a");
1080  owl_free(filename);
1081  if (!file) {
1082    owl_function_error("Error opening zephyr buddy file for append");
1083    return;
1084  }
1085  fprintf(file, "%s\n", name);
1086  fclose(file);
1087}
1088
1089void owl_zephyr_delbuddy(const char *name)
1090{
1091  char *filename;
1092
1093  filename = owl_zephyr_dotfile(".anyone", NULL);
1094  owl_util_file_deleteline(filename, name, 0);
1095  owl_free(filename);
1096}
1097
1098/* return auth string */
1099#ifdef HAVE_LIBZEPHYR
1100const char *owl_zephyr_get_authstr(const ZNotice_t *n)
1101{
1102
1103  if (!n) return("UNKNOWN");
1104
1105  if (n->z_auth == ZAUTH_FAILED) {
1106    return ("FAILED");
1107  } else if (n->z_auth == ZAUTH_NO) {
1108    return ("NO");
1109  } else if (n->z_auth == ZAUTH_YES) {
1110    return ("YES");
1111  } else {
1112    return ("UNKNOWN");
1113  }           
1114}
1115#else
1116const char *owl_zephyr_get_authstr(const void *n)
1117{
1118  return("");
1119}
1120#endif
1121
1122/* Returns a buffer of subscriptions or an error message.  Caller must
1123 * free the return.
1124 */
1125char *owl_zephyr_getsubs(void)
1126{
1127#ifdef HAVE_LIBZEPHYR
1128  int ret, num, i, one;
1129  int buffsize;
1130  ZSubscription_t sub;
1131  char *out;
1132  one=1;
1133
1134  ret=ZRetrieveSubscriptions(0, &num);
1135  if (ret==ZERR_TOOMANYSUBS) {
1136    return(owl_strdup("Zephyr: too many subscriptions\n"));
1137  } else if (ret || (num <= 0)) {
1138    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
1139  }
1140
1141  buffsize = (num + 1) * 50;
1142  out=owl_malloc(buffsize);
1143  strcpy(out, "");
1144  for (i=0; i<num; i++) {
1145    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1146      owl_free(out);
1147      ZFlushSubscriptions();
1148      out=owl_strdup("Error while getting subscriptions\n");
1149      return(out);
1150    } else {
1151      int tmpbufflen;
1152      char *tmpbuff;
1153      tmpbuff = owl_sprintf("<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
1154      tmpbufflen = strlen(tmpbuff) + 1;
1155      if (tmpbufflen > buffsize) {
1156        char *out2;
1157        buffsize = tmpbufflen * 2;
1158        out2 = owl_realloc(out, buffsize);
1159        if (out2 == NULL) {
1160          owl_free(out);
1161          owl_free(tmpbuff);
1162          ZFlushSubscriptions();
1163          out=owl_strdup("Realloc error while getting subscriptions\n");
1164          return(out);   
1165        }
1166        out = out2;
1167      }
1168      strcpy(out, tmpbuff);
1169      owl_free(tmpbuff);
1170    }
1171  }
1172
1173  ZFlushSubscriptions();
1174  return(out);
1175#else
1176  return(owl_strdup("Zephyr not available"));
1177#endif
1178}
1179
1180const char *owl_zephyr_get_variable(const char *var)
1181{
1182#ifdef HAVE_LIBZEPHYR
1183  return(ZGetVariable(zstr(var)));
1184#else
1185  return("");
1186#endif
1187}
1188
1189void owl_zephyr_set_locationinfo(const char *host, const char *val)
1190{
1191#ifdef HAVE_LIBZEPHYR
1192  ZInitLocationInfo(zstr(host), zstr(val));
1193#endif
1194}
1195 
1196/* Strip a local realm fron the zephyr user name.
1197 * The caller must free the return
1198 */
1199char *short_zuser(const char *in)
1200{
1201  char *out, *ptr;
1202
1203  out=owl_strdup(in);
1204  ptr=strchr(out, '@');
1205  if (ptr) {
1206    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
1207      *ptr='\0';
1208    }
1209  }
1210  return(out);
1211}
1212
1213/* Append a local realm to the zephyr user name if necessary.
1214 * The caller must free the return.
1215 */
1216char *long_zuser(const char *in)
1217{
1218  if (strchr(in, '@')) {
1219    return(owl_strdup(in));
1220  }
1221  return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
1222}
1223
1224/* strip out the instance from a zsender's principal.  Preserves the
1225 * realm if present.  Leave host/ and daemon/ krb5 principals
1226 * alone. Also leave rcmd. and daemon. krb4 principals alone. The
1227 * caller must free the return.
1228 */
1229char *owl_zephyr_smartstripped_user(const char *in)
1230{
1231  char *slash, *dot, *realm, *out;
1232
1233  out = owl_strdup(in);
1234
1235  /* bail immeaditly if we don't have to do any work */
1236  slash = strchr(out, '/');
1237  dot = strchr(out, '.');
1238  if (!slash && !dot) {
1239    return(out);
1240  }
1241
1242  if (!strncasecmp(out, OWL_ZEPHYR_NOSTRIP_HOST, strlen(OWL_ZEPHYR_NOSTRIP_HOST)) ||
1243      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_RCMD, strlen(OWL_ZEPHYR_NOSTRIP_RCMD)) ||
1244      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON5, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON5)) ||
1245      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON4, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON4))) {
1246    return(out);
1247  }
1248
1249  realm = strchr(out, '@');
1250  if (!slash && dot && realm && (dot > realm)) {
1251    /* There's no '/', and the first '.' is in the realm */
1252    return(out);
1253  }
1254
1255  /* remove the realm from out, but hold on to it */
1256  if (realm) realm[0]='\0';
1257
1258  /* strip */
1259  if (slash) slash[0] = '\0';  /* krb5 style user/instance */
1260  else if (dot) dot[0] = '\0'; /* krb4 style user.instance */
1261
1262  /* reattach the realm if we had one */
1263  if (realm) {
1264    strcat(out, "@");
1265    strcat(out, realm+1);
1266  }
1267
1268  return(out);
1269}
1270
1271/* read the list of users in 'filename' as a .anyone file, and put the
1272 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1273 * use the default .anyone file in the users home directory.  Returns
1274 * -1 on failure, 0 on success.
1275 */
1276int owl_zephyr_get_anyone_list(owl_list *in, const char *filename)
1277{
1278#ifdef HAVE_LIBZEPHYR
1279  char *ourfile, *tmp, *s = NULL;
1280  FILE *f;
1281
1282  ourfile = owl_zephyr_dotfile(".anyone", filename);
1283
1284  f = fopen(ourfile, "r");
1285  if (!f) {
1286    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
1287    owl_free(ourfile);
1288    return -1;
1289  }
1290  owl_free(ourfile);
1291
1292  while (owl_getline_chomp(&s, f)) {
1293    /* ignore comments, blank lines etc. */
1294    if (s[0] == '#' || s[0] == '\0')
1295      continue;
1296
1297    /* ignore from # on */
1298    tmp = strchr(s, '#');
1299    if (tmp)
1300      tmp[0] = '\0';
1301
1302    /* ignore from SPC */
1303    tmp = strchr(s, ' ');
1304    if (tmp)
1305      tmp[0] = '\0';
1306
1307    owl_list_append_element(in, long_zuser(s));
1308  }
1309  owl_free(s);
1310  fclose(f);
1311  return 0;
1312#else
1313  return -1;
1314#endif
1315}
1316
1317#ifdef HAVE_LIBZEPHYR
1318void owl_zephyr_process_pseudologin(ZNotice_t *n)
1319{
1320  owl_message *m;
1321  owl_zbuddylist *zbl;
1322  GList **zaldlist;
1323  GList *zaldptr;
1324  ZAsyncLocateData_t *zald = NULL;
1325  ZLocations_t location;
1326  int numlocs, ret, notify;
1327
1328  /* Find a ZALD to match this notice. */
1329  zaldlist = owl_global_get_zaldlist(&g);
1330  zaldptr = g_list_first(*zaldlist);
1331  while (zaldptr) {
1332    if (ZCompareALDPred(n, zaldptr->data)) {
1333      zald = zaldptr->data;
1334      *zaldlist = g_list_remove(*zaldlist, zaldptr->data);
1335      break;
1336    }
1337    zaldptr = g_list_next(zaldptr);
1338  }
1339  if (zald) {
1340    /* Deal with notice. */
1341    notify = owl_global_get_pseudologin_notify(&g);
1342    zbl = owl_global_get_zephyr_buddylist(&g);
1343    ret = ZParseLocations(n, zald, &numlocs, NULL);
1344    if (ret == ZERR_NONE) {
1345      if (numlocs > 0 && !owl_zbuddylist_contains_user(zbl, zald->user)) {
1346        if (notify) {
1347          numlocs = 1;
1348          ret = ZGetLocations(&location, &numlocs);
1349          if (ret == ZERR_NONE) {
1350            /* Send a PSEUDO LOGIN! */
1351            m = owl_malloc(sizeof(owl_message));
1352            owl_message_create_pseudo_zlogin(m, 0, zald->user,
1353                                             location.host,
1354                                             location.time,
1355                                             location.tty);
1356            owl_global_messagequeue_addmsg(&g, m);
1357          }
1358          owl_zbuddylist_adduser(zbl, zald->user);
1359          owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", zald->user);
1360        }
1361      } else if (numlocs == 0 && owl_zbuddylist_contains_user(zbl, zald->user)) {
1362        /* Send a PSEUDO LOGOUT! */
1363        if (notify) {
1364          m = owl_malloc(sizeof(owl_message));
1365          owl_message_create_pseudo_zlogin(m, 1, zald->user, "", "", "");
1366          owl_global_messagequeue_addmsg(&g, m);
1367        }
1368        owl_zbuddylist_deluser(zbl, zald->user);
1369        owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ", zald->user);
1370      }
1371    }
1372    ZFreeALD(zald);
1373    owl_free(zald);
1374  }
1375}
1376#else
1377void owl_zephyr_process_pseudologin(void *n)
1378{
1379}
1380#endif
1381
1382void owl_zephyr_buddycheck_timer(owl_timer *t, void *data)
1383{
1384  if (owl_global_is_pseudologins(&g)) {
1385    owl_function_debugmsg("Doing zephyr buddy check");
1386    owl_function_zephyr_buddy_check(1);
1387  } else {
1388    owl_function_debugmsg("Warning: owl_zephyr_buddycheck_timer call pointless; timer should have been disabled");
1389  }
1390}
1391
1392/*
1393 * Process zephyrgrams from libzephyr's queue. To prevent starvation,
1394 * process a maximum of OWL_MAX_ZEPHYRGRAMS_TO_PROCESS.
1395 *
1396 * Returns the number of zephyrgrams processed.
1397 */
1398
1399#define OWL_MAX_ZEPHYRGRAMS_TO_PROCESS 20
1400
1401static int _owl_zephyr_process_events(void)
1402{
1403  int zpendcount=0;
1404#ifdef HAVE_LIBZEPHYR
1405  ZNotice_t notice;
1406  Code_t code;
1407  owl_message *m=NULL;
1408
1409  while(owl_zephyr_zpending() && zpendcount < OWL_MAX_ZEPHYRGRAMS_TO_PROCESS) {
1410    if (owl_zephyr_zpending()) {
1411      if ((code = ZReceiveNotice(&notice, NULL)) != ZERR_NONE) {
1412        owl_function_debugmsg("Error: %s while calling ZReceiveNotice\n",
1413                              error_message(code));
1414        continue;
1415      }
1416      zpendcount++;
1417
1418      /* is this an ack from a zephyr we sent? */
1419      if (owl_zephyr_notice_is_ack(&notice)) {
1420        owl_zephyr_handle_ack(&notice);
1421        ZFreeNotice(&notice);
1422        continue;
1423      }
1424
1425      /* if it's a ping and we're not viewing pings then skip it */
1426      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
1427        ZFreeNotice(&notice);
1428        continue;
1429      }
1430
1431      /* if it is a LOCATE message, it's for pseudologins. */
1432      if (strcmp(notice.z_opcode, LOCATE_LOCATE) == 0) {
1433        owl_zephyr_process_pseudologin(&notice);
1434        ZFreeNotice(&notice);
1435        continue;
1436      }
1437
1438      /* create the new message */
1439      m=owl_malloc(sizeof(owl_message));
1440      owl_message_create_from_znotice(m, &notice);
1441
1442      owl_global_messagequeue_addmsg(&g, m);
1443    }
1444  }
1445#endif
1446  return zpendcount;
1447}
1448
1449void owl_zephyr_process_events(const owl_io_dispatch *d, void *data)
1450{
1451  _owl_zephyr_process_events();
1452}
1453
1454int owl_zephyr_pre_select_action(owl_ps_action *a, void *p)
1455{
1456  return _owl_zephyr_process_events();
1457}
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