source: zephyr.c @ 2184001

release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 2184001 was c79a047, checked in by Anders Kaseorg <andersk@mit.edu>, 12 years ago
Correctly prototype functions with no parameters as foo(void), not foo(). foo() is a deprecated old-style prototype for a function that takes any arguments. Specifying foo(void) catches more bugs. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 33.5 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
22#ifdef HAVE_LIBZEPHYR
23void owl_zephyr_initialize(void)
24{
25  int ret;
26  struct servent *sp;
27  struct sockaddr_in sin;
28  ZNotice_t req;
29  Code_t code;
30  owl_dispatch *dispatch;
31
32  /*
33   * Code modified from libzephyr's ZhmStat.c
34   *
35   * Modified to add the fd to our select loop, rather than hanging
36   * until we get an ack.
37   */
38
39  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
40    owl_function_error("Error opening Zephyr port: %s", error_message(ret));
41    return;
42  }
43
44  (void) memset(&sin, 0, sizeof(struct sockaddr_in));
45
46  sp = getservbyname(HM_SVCNAME, "udp");
47
48  sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
49  sin.sin_family = AF_INET;
50
51  sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
52
53  (void) memset(&req, 0, sizeof(req));
54  req.z_kind = STAT;
55  req.z_port = 0;
56  req.z_class = zstr(HM_STAT_CLASS);
57  req.z_class_inst = zstr(HM_STAT_CLIENT);
58  req.z_opcode = zstr(HM_GIMMESTATS);
59  req.z_sender = zstr("");
60  req.z_recipient = zstr("");
61  req.z_default_format = zstr("");
62  req.z_message_len = 0;
63
64  if ((code = ZSetDestAddr(&sin)) != ZERR_NONE) {
65    owl_function_error("Initializing Zephyr: %s", error_message(code));
66    return;
67  }
68
69  if ((code = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE) {
70    owl_function_error("Initializing Zephyr: %s", error_message(code));
71    return;
72  }
73
74  dispatch = owl_malloc(sizeof(*dispatch));
75  dispatch->fd = ZGetFD();
76  dispatch->cfunc = owl_zephyr_finish_initialization;
77  dispatch->destroy = (void(*)(owl_dispatch*))owl_free;
78
79  owl_select_add_dispatch(dispatch);
80}
81
82void owl_zephyr_finish_initialization(owl_dispatch *d) {
83  Code_t code;
84
85  owl_select_remove_dispatch(d->fd);
86
87  ZClosePort();
88
89  if ((code = ZInitialize()) != ZERR_NONE) {
90    owl_function_error("Initializing Zephyr: %s", error_message(code));
91    return;
92  }
93
94  if ((code = ZOpenPort(NULL)) != ZERR_NONE) {
95    owl_function_error("Initializing Zephyr: %s", error_message(code));
96    return;
97  }
98
99  d = owl_malloc(sizeof(owl_dispatch));
100  d->fd = ZGetFD();
101  d->cfunc = &owl_zephyr_process_events;
102  d->destroy = NULL;
103  owl_select_add_dispatch(d);
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
129void owl_zephyr_load_initial_subs(void) {
130  int ret_sd, ret_bd, ret_u;
131
132  owl_function_debugmsg("startup: loading initial zephyr subs");
133
134  /* load default subscriptions */
135  ret_sd = owl_zephyr_loaddefaultsubs();
136
137  /* load Barnowl default subscriptions */
138  ret_bd = owl_zephyr_loadbarnowldefaultsubs();
139
140  /* load subscriptions from subs file */
141  ret_u = owl_zephyr_loadsubs(NULL, 0);
142
143  if (ret_sd || ret_bd || ret_u) {
144    owl_function_error("Error loading zephyr subscriptions");
145  } else if (ret_u!=-1) {
146    owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
147  }
148
149  /* load login subscriptions */
150  if (owl_global_is_loginsubs(&g)) {
151    owl_function_debugmsg("startup: loading login subs");
152    owl_function_loadloginsubs(NULL);
153  }
154}
155#else
156void owl_zephyr_initialize(void)
157{
158}
159#endif
160
161
162int owl_zephyr_shutdown(void)
163{
164#ifdef HAVE_LIBZEPHYR
165  if(owl_global_is_havezephyr(&g)) {
166    unsuball();
167    ZClosePort();
168  }
169#endif
170  return(0);
171}
172
173int owl_zephyr_zpending(void)
174{
175#ifdef HAVE_LIBZEPHYR
176  if(owl_global_is_havezephyr(&g))
177    return(ZPending());
178  else
179    return 0;
180#else
181  return(0);
182#endif
183}
184
185const char *owl_zephyr_get_realm(void)
186{
187#ifdef HAVE_LIBZEPHYR
188  return(ZGetRealm());
189#else
190  return("");
191#endif
192}
193
194const char *owl_zephyr_get_sender(void)
195{
196#ifdef HAVE_LIBZEPHYR
197  return(ZGetSender());
198#else
199  return("");
200#endif
201}
202
203#ifdef HAVE_LIBZEPHYR
204int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
205{
206  int ret = 0;
207  if (owl_global_is_havezephyr(&g)) {
208    int i;
209    /* sub without defaults */
210    if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
211      owl_function_error("Error subscribing to zephyr notifications.");
212      ret=-2;
213    }
214
215    /* free stuff */
216    for (i=0; i<count; i++) {
217      owl_free(subs[i].zsub_class);
218      owl_free(subs[i].zsub_classinst);
219      owl_free(subs[i].zsub_recipient);
220    }
221
222    owl_free(subs);
223  } else {
224    owl_sub_list *s = owl_malloc(sizeof(owl_sub_list));
225    s->subs = subs;
226    s->nsubs = count;
227    deferred_subs = g_list_append(deferred_subs, s);
228  }
229
230  return ret;
231}
232#endif
233
234/* Load zephyr subscriptions from 'filename'.  If 'filename' is NULL,
235 * the default file $HOME/.zephyr.subs will be used.
236 *
237 * Returns 0 on success.  If the file does not exist, return -1 if
238 * 'error_on_nofile' is 1, otherwise return 0.  Return -1 if the file
239 * exists but can not be read.  Return -2 if there is a failure from
240 * zephyr to load the subscriptions.
241 */
242int owl_zephyr_loadsubs(const char *filename, int error_on_nofile)
243{
244#ifdef HAVE_LIBZEPHYR
245  FILE *file;
246  char *tmp, *start;
247  char buffer[1024], subsfile[1024];
248  ZSubscription_t *subs;
249  int subSize = 1024;
250  int count, ret;
251  struct stat statbuff;
252
253  subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
254  if (filename==NULL) {
255    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
256  } else {
257    strcpy(subsfile, filename);
258  }
259
260  ret=stat(subsfile, &statbuff);
261  if (ret) {
262    if (error_on_nofile==1) return(-1);
263    return(0);
264  }
265
266  ZResetAuthentication();
267  count=0;
268  file=fopen(subsfile, "r");
269  if (!file) return(-1);
270  while ( fgets(buffer, 1024, file)!=NULL ) {
271    if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
272   
273    if (buffer[0]=='-') {
274      start=buffer+1;
275    } else {
276      start=buffer;
277    }
278   
279    if (count >= subSize) {
280      subSize *= 2;
281      subs = owl_realloc(subs, sizeof(ZSubscription_t) * subSize);
282    }
283   
284    /* add it to the list of subs */
285    if ((tmp=strtok(start, ",\n\r"))==NULL) continue;
286    subs[count].zsub_class=owl_strdup(tmp);
287    if ((tmp=strtok(NULL, ",\n\r"))==NULL) continue;
288    subs[count].zsub_classinst=owl_strdup(tmp);
289    if ((tmp=strtok(NULL, " \t\n\r"))==NULL) continue;
290    subs[count].zsub_recipient=owl_strdup(tmp);
291   
292    /* if it started with '-' then add it to the global punt list, and
293     * remove it from the list of subs. */
294    if (buffer[0]=='-') {
295      owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
296      owl_free(subs[count].zsub_class);
297      owl_free(subs[count].zsub_classinst);
298      owl_free(subs[count].zsub_recipient);
299    }
300    else {
301      count++;
302    }
303  }
304  fclose(file);
305
306  ret = owl_zephyr_loadsubs_helper(subs, count);
307  return(ret);
308#else
309  return(0);
310#endif
311}
312
313/* Load default Barnowl subscriptions
314 *
315 * Returns 0 on success.
316 * Return -2 if there is a failure from zephyr to load the subscriptions.
317 */
318int owl_zephyr_loadbarnowldefaultsubs(void)
319{
320#ifdef HAVE_LIBZEPHYR
321  ZSubscription_t *subs;
322  int subSize = 10; /* Max Barnowl default subs we allow */
323  int count, ret;
324
325  subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
326  ret = 0;
327  ZResetAuthentication();
328  count=0;
329
330  subs[count].zsub_class=owl_strdup("message");
331  subs[count].zsub_classinst=owl_strdup("*");
332  subs[count].zsub_recipient=owl_strdup("%me%");
333  count++;
334
335  ret = owl_zephyr_loadsubs_helper(subs, count);
336  return(ret);
337#else
338  return(0);
339#endif
340}
341
342int owl_zephyr_loaddefaultsubs(void)
343{
344#ifdef HAVE_LIBZEPHYR
345  ZSubscription_t subs[10];
346   
347  if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
348    owl_function_error("Error subscribing to default zephyr notifications.");
349    return(-1);
350  }
351  return(0);
352#else
353  return(0);
354#endif
355}
356
357int owl_zephyr_loadloginsubs(const char *filename)
358{
359#ifdef HAVE_LIBZEPHYR
360  FILE *file;
361  ZSubscription_t *subs;
362  int numSubs = 100;
363  char subsfile[1024], buffer[1024];
364  int count, ret;
365  struct stat statbuff;
366
367  subs = owl_malloc(numSubs * sizeof(ZSubscription_t));
368
369  if (filename==NULL) {
370    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
371  } else {
372    strcpy(subsfile, filename);
373  }
374 
375  ret=stat(subsfile, &statbuff);
376  if (ret) return(0);
377
378  ret=0;
379
380  ZResetAuthentication();
381  count=0;
382  file=fopen(subsfile, "r");
383  if (file) {
384    while ( fgets(buffer, 1024, file)!=NULL ) {
385      if (buffer[0] == '\0' || buffer[0] == '#' || buffer[0] == '\n') continue;
386     
387      if (count == numSubs) {
388        numSubs *= 2;
389        subs = owl_realloc(subs, numSubs * sizeof(ZSubscription_t));
390      }
391
392      if (buffer[strlen(buffer) - 1] == '\n')
393        buffer[strlen(buffer) - 1] = '\0';
394      subs[count].zsub_class=owl_strdup("login");
395      subs[count].zsub_recipient=owl_strdup("*");
396      if (strchr(buffer, '@')) {
397        subs[count].zsub_classinst=owl_strdup(buffer);
398      } else {
399        subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
400      }
401
402      count++;
403    }
404    fclose(file);
405  } else {
406    count=0;
407    ret=-1;
408  }
409
410  ret = owl_zephyr_loadsubs_helper(subs, count);
411  return(ret);
412#else
413  return(0);
414#endif
415}
416
417void unsuball(void)
418{
419#if HAVE_LIBZEPHYR
420  int ret;
421
422  ZResetAuthentication();
423  ret=ZCancelSubscriptions(0);
424  if (ret != ZERR_NONE) {
425    com_err("owl",ret,"while unsubscribing");
426  }
427#endif
428}
429
430int owl_zephyr_sub(const char *class, const char *inst, const char *recip)
431{
432#ifdef HAVE_LIBZEPHYR
433  ZSubscription_t subs[5];
434
435  subs[0].zsub_class=zstr(class);
436  subs[0].zsub_classinst=zstr(inst);
437  subs[0].zsub_recipient=zstr(recip);
438
439  ZResetAuthentication();
440  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
441    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
442    return(-2);
443  }
444  return(0);
445#else
446  return(0);
447#endif
448}
449
450
451int owl_zephyr_unsub(const char *class, const char *inst, const char *recip)
452{
453#ifdef HAVE_LIBZEPHYR
454  ZSubscription_t subs[5];
455
456  subs[0].zsub_class=zstr(class);
457  subs[0].zsub_classinst=zstr(inst);
458  subs[0].zsub_recipient=zstr(recip);
459
460  ZResetAuthentication();
461  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
462    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
463    return(-2);
464  }
465  return(0);
466#else
467  return(0);
468#endif
469}
470
471/* return a pointer to the data in the Jth field, (NULL terminated by
472 * definition).  Caller must free the return.
473 */
474#ifdef HAVE_LIBZEPHYR
475char *owl_zephyr_get_field(const ZNotice_t *n, int j)
476{
477  int i, count, save;
478  char *out;
479
480  /* If there's no message here, just run along now */
481  if (n->z_message_len == 0)
482    return(owl_strdup(""));
483
484  count=save=0;
485  for (i=0; i<n->z_message_len; i++) {
486    if (n->z_message[i]=='\0') {
487      count++;
488      if (count==j) {
489        /* just found the end of the field we're looking for */
490        return(owl_strdup(n->z_message+save));
491      } else {
492        save=i+1;
493      }
494    }
495  }
496  /* catch the last field, which might not be null terminated */
497  if (count==j-1) {
498    out=owl_malloc(n->z_message_len-save+5);
499    memcpy(out, n->z_message+save, n->z_message_len-save);
500    out[n->z_message_len-save]='\0';
501    return(out);
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 = owl_malloc(n->z_message_len-save+5);
531    memcpy(tmp, n->z_message+save, n->z_message_len-save);
532    tmp[n->z_message_len-save]='\0';
533    out = owl_validate_or_convert(tmp);
534    owl_free(tmp);
535    return out;
536  }
537
538  return(owl_strdup(""));
539}
540#else
541char *owl_zephyr_get_field(void *n, int j)
542{
543  return(owl_strdup(""));
544}
545char *owl_zephyr_get_field_as_utf8(void *n, int j)
546{
547  return owl_zephyr_get_field(n, j);
548}
549#endif
550
551
552#ifdef HAVE_LIBZEPHYR
553int owl_zephyr_get_num_fields(const ZNotice_t *n)
554{
555  int i, fields;
556
557  if(n->z_message_len == 0)
558    return 0;
559
560  fields=1;
561  for (i=0; i<n->z_message_len; i++) {
562    if (n->z_message[i]=='\0') fields++;
563  }
564 
565  return(fields);
566}
567#else
568int owl_zephyr_get_num_fields(const void *n)
569{
570  return(0);
571}
572#endif
573
574#ifdef HAVE_LIBZEPHYR
575/* return a pointer to the message, place the message length in k
576 * caller must free the return
577 */
578char *owl_zephyr_get_message(const ZNotice_t *n, const owl_message *m)
579{
580  /* don't let ping messages have a body */
581  if (!strcasecmp(n->z_opcode, "ping")) {
582    return(owl_strdup(""));
583  }
584
585  /* deal with MIT NOC messages */
586  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")) {
587    char *msg, *field3, *field4;
588
589    field3 = owl_zephyr_get_field(n, 3);
590    field4 = owl_zephyr_get_field(n, 4);
591
592    msg = owl_sprintf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
593    owl_free(field3);
594    owl_free(field4);
595    if (msg) {
596      return msg;
597    }
598  }
599  /* deal with MIT Discuss messages */
600  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4") ||
601           !strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3\nSubject: $4")) {
602    char *msg, *field1, *field2, *field3, *field4, *field5;
603   
604    field1 = owl_zephyr_get_field(n, 1);
605    field2 = owl_zephyr_get_field(n, 2);
606    field3 = owl_zephyr_get_field(n, 3);
607    field4 = owl_zephyr_get_field(n, 4);
608    field5 = owl_zephyr_get_field(n, 5);
609   
610    msg = owl_sprintf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
611    owl_free(field1);
612    owl_free(field2);
613    owl_free(field3);
614    owl_free(field4);
615    owl_free(field5);
616    if (msg) {
617      return msg;
618    }
619  }
620  /* deal with MIT Moira messages */
621  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
622    char *msg, *field1;
623   
624    field1 = owl_zephyr_get_field(n, 1);
625   
626    msg = owl_sprintf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
627    owl_free(field1);
628    if (msg) {
629      return msg;
630    }
631  }
632
633  if (owl_zephyr_get_num_fields(n) == 1) {
634    return(owl_zephyr_get_field(n, 1));
635  }
636  else {
637    return(owl_zephyr_get_field(n, 2));
638  }
639}
640#endif
641
642#ifdef HAVE_LIBZEPHYR
643const char *owl_zephyr_get_zsig(const ZNotice_t *n, int *k)
644{
645  /* return a pointer to the zsig if there is one */
646
647  /* message length 0? No zsig */
648  if (n->z_message_len==0) {
649    *k=0;
650    return("");
651  }
652
653  /* If there's only one field, no zsig */
654  if (owl_zephyr_get_num_fields(n) == 1) {
655    *k=0;
656    return("");
657  }
658
659  /* Everything else is field 1 */
660  *k=strlen(n->z_message);
661  return(n->z_message);
662}
663#else
664const char *owl_zephyr_get_zsig(const void *n, int *k)
665{
666  return("");
667}
668#endif
669
670int send_zephyr(const char *opcode, const char *zsig, const char *class, const char *instance, const char *recipient, const char *message)
671{
672#ifdef HAVE_LIBZEPHYR
673  int ret;
674  ZNotice_t notice;
675   
676  memset(&notice, 0, sizeof(notice));
677
678  ZResetAuthentication();
679
680  if (!zsig) zsig="";
681 
682  notice.z_kind=ACKED;
683  notice.z_port=0;
684  notice.z_class=zstr(class);
685  notice.z_class_inst=zstr(instance);
686  notice.z_sender=NULL;
687  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
688    notice.z_recipient=zstr("");
689    if (*owl_global_get_zsender(&g))
690        notice.z_sender=zstr(owl_global_get_zsender(&g));
691  } else {
692    notice.z_recipient=zstr(recipient);
693  }
694  notice.z_default_format=zstr("Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2");
695  if (opcode) notice.z_opcode=zstr(opcode);
696
697  notice.z_message_len=strlen(zsig)+1+strlen(message);
698  notice.z_message=owl_malloc(notice.z_message_len+10);
699  strcpy(notice.z_message, zsig);
700  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
701
702  /* ret=ZSendNotice(&notice, ZAUTH); */
703  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
704 
705  /* free then check the return */
706  owl_free(notice.z_message);
707  ZFreeNotice(&notice);
708  if (ret!=ZERR_NONE) {
709    owl_function_error("Error sending zephyr");
710    return(ret);
711  }
712  return(0);
713#else
714  return(0);
715#endif
716}
717
718#ifdef HAVE_LIBZEPHYR
719Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
720{
721  return(ZSendPacket(buf, len, 0));
722}
723#endif
724
725void send_ping(const char *to, const char *zclass, const char *zinstance)
726{
727#ifdef HAVE_LIBZEPHYR
728  send_zephyr("PING", "", zclass, zinstance, to, "");
729#endif
730}
731
732#ifdef HAVE_LIBZEPHYR
733void owl_zephyr_handle_ack(const ZNotice_t *retnotice)
734{
735  char *tmp;
736 
737  /* if it's an HMACK ignore it */
738  if (retnotice->z_kind == HMACK) return;
739
740  if (retnotice->z_kind == SERVNAK) {
741    owl_function_error("Authorization failure sending zephyr");
742  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
743    owl_function_error("Detected server failure while receiving acknowledgement");
744  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
745    if (!strcasecmp(retnotice->z_opcode, "ping")) {
746      return;
747    } else {
748      if (strcasecmp(retnotice->z_recipient, ""))
749      { /* personal */
750        tmp=short_zuser(retnotice->z_recipient);
751        if(!strcasecmp(retnotice->z_class, "message") &&
752           !strcasecmp(retnotice->z_class_inst, "personal")) {
753          owl_function_makemsg("Message sent to %s.", tmp);
754        } else if(!strcasecmp(retnotice->z_class, "message")) { /* instanced, but not classed, personal */
755          owl_function_makemsg("Message sent to %s on -i %s\n", tmp, retnotice->z_class_inst);
756        } else { /* classed personal */
757          owl_function_makemsg("Message sent to %s on -c %s -i %s\n", tmp, retnotice->z_class, retnotice->z_class_inst);
758        }
759        owl_free(tmp);
760      } else {
761        /* class / instance message */
762          owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
763      }
764    }
765  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
766    #define BUFFLEN 1024
767    if (retnotice->z_recipient == NULL
768        || *retnotice->z_recipient == 0
769        || *retnotice->z_recipient == '@') {
770      char buff[BUFFLEN];
771      owl_function_error("No one subscribed to class %s", retnotice->z_class);
772      snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
773      owl_function_adminmsg("", buff);
774    } else {
775      char buff[BUFFLEN];
776      owl_zwrite zw;
777      char *realm;
778
779      tmp = short_zuser(retnotice->z_recipient);
780      owl_function_error("%s: Not logged in or subscribing.", tmp);
781      /*
782       * These error messages are often over 80 chars, but users who want to
783       * see the whole thing can scroll to the side, and for those with wide
784       * terminals or who don't care, not splitting saves a line in the UI
785       */
786      if(strcasecmp(retnotice->z_class, "message")) {
787        snprintf(buff, BUFFLEN,
788                 "Could not send message to %s: "
789                 "not logged in or subscribing to class %s, instance %s.\n",
790                 tmp,
791                 retnotice->z_class,
792                 retnotice->z_class_inst);
793      } else if(strcasecmp(retnotice->z_class_inst, "personal")) {
794        snprintf(buff, BUFFLEN,
795                 "Could not send message to %s: "
796                 "not logged in or subscribing to instance %s.\n",
797                 tmp,
798                 retnotice->z_class_inst);
799      } else {
800        snprintf(buff, BUFFLEN,
801                 "Could not send message to %s: "
802                 "not logged in or subscribing to messages.\n",
803                 tmp);
804      }
805      owl_function_adminmsg("", buff);
806
807      memset(&zw, 0, sizeof(zw));
808      zw.class = owl_strdup(retnotice->z_class);
809      zw.inst  = owl_strdup(retnotice->z_class_inst);
810      realm = strchr(retnotice->z_recipient, '@');
811      if(realm) {
812        zw.realm = owl_strdup(realm + 1);
813      } else {
814        zw.realm = owl_strdup(owl_zephyr_get_realm());
815      }
816      zw.opcode = owl_strdup(retnotice->z_opcode);
817      zw.zsig   = owl_strdup("");
818      owl_list_create(&(zw.recips));
819      owl_list_append_element(&(zw.recips), owl_strdup(tmp));
820
821      owl_log_outgoing_zephyr_error(&zw, buff);
822
823      owl_zwrite_free(&zw);
824      owl_free(tmp);
825    }
826  } else {
827    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
828  }
829}
830#else
831void owl_zephyr_handle_ack(const void *retnotice)
832{
833}
834#endif
835
836#ifdef HAVE_LIBZEPHYR
837int owl_zephyr_notice_is_ack(const ZNotice_t *n)
838{
839  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
840    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
841    return(1);
842  }
843  return(0);
844}
845#else
846int owl_zephyr_notice_is_ack(const void *n)
847{
848  return(0);
849}
850#endif
851 
852void owl_zephyr_zaway(const owl_message *m)
853{
854#ifdef HAVE_LIBZEPHYR
855  char *tmpbuff, *myuser, *to;
856  owl_message *mout;
857 
858  /* bail if it doesn't look like a message we should reply to.  Some
859   * of this defined by the way zaway(1) works
860   */
861  if (strcasecmp(owl_message_get_class(m), "message")) return;
862  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
863  if (!strcasecmp(owl_message_get_sender(m), "")) return;
864  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
865  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
866  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
867  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
868  if (owl_message_get_attribute_value(m, "isauto")) return;
869
870  if (owl_global_is_smartstrip(&g)) {
871    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
872  } else {
873    to=owl_strdup(owl_message_get_sender(m));
874  }
875
876  send_zephyr("",
877              "Automated reply:",
878              owl_message_get_class(m),
879              owl_message_get_instance(m),
880              to,
881              owl_global_get_zaway_msg(&g));
882
883  myuser=short_zuser(to);
884  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
885    tmpbuff = owl_sprintf("zwrite %s", myuser);
886  } else {
887    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
888  }
889  owl_free(myuser);
890  owl_free(to);
891
892  /* display the message as an admin message in the receive window */
893  mout=owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
894  owl_global_messagequeue_addmsg(&g, mout);
895  owl_free(tmpbuff);
896#endif
897}
898
899#ifdef HAVE_LIBZEPHYR
900void owl_zephyr_hackaway_cr(ZNotice_t *n)
901{
902  /* replace \r's with ' '.  Gross-ish */
903  int i;
904
905  for (i=0; i<n->z_message_len; i++) {
906    if (n->z_message[i]=='\r') {
907      n->z_message[i]=' ';
908    }
909  }
910}
911#endif
912
913void owl_zephyr_zlocate(const char *user, char *out, int auth)
914{
915#ifdef HAVE_LIBZEPHYR
916  int ret, numlocs;
917  int one = 1;
918  ZLocations_t locations;
919  char *myuser;
920 
921  strcpy(out, "");
922  ZResetAuthentication();
923  ret=ZLocateUser(zstr(user),&numlocs,auth?ZAUTH:ZNOAUTH);
924  if (ret != ZERR_NONE) {
925    sprintf(out, "Error locating user %s\n", user);
926    return;
927  }
928
929  if (numlocs==0) {
930    myuser=short_zuser(user);
931    sprintf(out, "%s: Hidden or not logged in\n", myuser);
932    owl_free(myuser);
933    return;
934  }
935   
936  for (;numlocs;numlocs--) {
937    ZGetLocations(&locations,&one);
938    myuser=short_zuser(user);
939    sprintf(out + strlen(out), "%s: %s\t%s\t%s\n", myuser,
940            locations.host ? locations.host : "?",
941            locations.tty ? locations.tty : "?",
942            locations.time ? locations.time : "?");
943    owl_free(myuser);
944  }
945#endif
946}
947
948void owl_zephyr_addsub(const char *filename, const char *class, const char *inst, const char *recip)
949{
950#ifdef HAVE_LIBZEPHYR
951  char *line, subsfile[LINE], buff[LINE];
952  FILE *file;
953
954  line=owl_zephyr_makesubline(class, inst, recip);
955
956  if (filename==NULL) {
957    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
958  } else {
959    strcpy(subsfile, filename);
960  }
961
962  /* if the file already exists, check to see if the sub is already there */
963  file=fopen(subsfile, "r");
964  if (file) {
965    while (fgets(buff, LINE, file)!=NULL) {
966      if (!strcasecmp(buff, line)) {
967        owl_function_error("Subscription already present in %s", subsfile);
968        owl_free(line);
969        fclose(file);
970        return;
971      }
972    }
973    fclose(file);
974  }
975
976  /* if we get here then we didn't find it */
977  file=fopen(subsfile, "a");
978  if (!file) {
979    owl_function_error("Error opening file %s for writing", subsfile);
980    owl_free(line);
981    return;
982  }
983  fputs(line, file);
984  fclose(file);
985  owl_function_makemsg("Subscription added");
986 
987  owl_free(line);
988#endif
989}
990
991void owl_zephyr_delsub(const char *filename, const char *class, const char *inst, const char *recip)
992{
993#ifdef HAVE_LIBZEPHYR
994  char *line, *subsfile;
995  int linesdeleted;
996 
997  line=owl_zephyr_makesubline(class, inst, recip);
998  line[strlen(line)-1]='\0';
999
1000  if (!filename) {
1001    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
1002  } else {
1003    subsfile=owl_strdup(filename);
1004  }
1005 
1006  linesdeleted = owl_util_file_deleteline(subsfile, line, 1);
1007  if (linesdeleted > 0) {
1008    owl_function_makemsg("Subscription removed");
1009  } else {
1010    owl_function_error("No subscription present in %s", subsfile);
1011  }
1012  owl_free(subsfile);
1013  owl_free(line);
1014#endif
1015}
1016
1017/* caller must free the return */
1018char *owl_zephyr_makesubline(const char *class, const char *inst, const char *recip)
1019{
1020  return owl_sprintf("%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
1021}
1022
1023
1024void owl_zephyr_zlog_in(void)
1025{
1026#ifdef HAVE_LIBZEPHYR
1027  const char *exposure, *eset;
1028  int ret;
1029
1030  ZResetAuthentication();
1031   
1032  eset=EXPOSE_REALMVIS;
1033  exposure=ZGetVariable(zstr("exposure"));
1034  if (exposure==NULL) {
1035    eset=EXPOSE_REALMVIS;
1036  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
1037    eset = EXPOSE_NONE;
1038  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
1039    eset = EXPOSE_OPSTAFF;
1040  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
1041    eset = EXPOSE_REALMVIS;
1042  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
1043    eset = EXPOSE_REALMANN;
1044  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
1045    eset = EXPOSE_NETVIS;
1046  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
1047    eset = EXPOSE_NETANN;
1048  }
1049   
1050  ret=ZSetLocation(zstr(eset));
1051  if (ret != ZERR_NONE) {
1052    /*
1053      owl_function_makemsg("Error setting location: %s", error_message(ret));
1054    */
1055  }
1056#endif
1057}
1058
1059void owl_zephyr_zlog_out(void)
1060{
1061#ifdef HAVE_LIBZEPHYR
1062  int ret;
1063
1064  ZResetAuthentication();
1065  ret=ZUnsetLocation();
1066  if (ret != ZERR_NONE) {
1067    /*
1068      owl_function_makemsg("Error unsetting location: %s", error_message(ret));
1069    */
1070  }
1071#endif
1072}
1073
1074void owl_zephyr_addbuddy(const char *name)
1075{
1076  char *filename;
1077  FILE *file;
1078 
1079  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
1080  file=fopen(filename, "a");
1081  owl_free(filename);
1082  if (!file) {
1083    owl_function_error("Error opening zephyr buddy file for append");
1084    return;
1085  }
1086  fprintf(file, "%s\n", name);
1087  fclose(file);
1088}
1089
1090void owl_zephyr_delbuddy(const char *name)
1091{
1092  char *filename;
1093
1094  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
1095  owl_util_file_deleteline(filename, name, 0);
1096  owl_free(filename);
1097}
1098
1099/* return auth string */
1100#ifdef HAVE_LIBZEPHYR
1101const char *owl_zephyr_get_authstr(const ZNotice_t *n)
1102{
1103
1104  if (!n) return("UNKNOWN");
1105
1106  if (n->z_auth == ZAUTH_FAILED) {
1107    return ("FAILED");
1108  } else if (n->z_auth == ZAUTH_NO) {
1109    return ("NO");
1110  } else if (n->z_auth == ZAUTH_YES) {
1111    return ("YES");
1112  } else {
1113    return ("UNKNOWN");
1114  }           
1115}
1116#else
1117const char *owl_zephyr_get_authstr(const void *n)
1118{
1119  return("");
1120}
1121#endif
1122
1123/* Returns a buffer of subscriptions or an error message.  Caller must
1124 * free the return.
1125 */
1126char *owl_zephyr_getsubs(void)
1127{
1128#ifdef HAVE_LIBZEPHYR
1129  int ret, num, i, one;
1130  int buffsize;
1131  ZSubscription_t sub;
1132  char *out;
1133  one=1;
1134
1135  ret=ZRetrieveSubscriptions(0, &num);
1136  if (ret==ZERR_TOOMANYSUBS) {
1137    return(owl_strdup("Zephyr: too many subscriptions\n"));
1138  } else if (ret || (num <= 0)) {
1139    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
1140  }
1141
1142  buffsize = (num + 1) * 50;
1143  out=owl_malloc(buffsize);
1144  strcpy(out, "");
1145  for (i=0; i<num; i++) {
1146    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1147      owl_free(out);
1148      ZFlushSubscriptions();
1149      out=owl_strdup("Error while getting subscriptions\n");
1150      return(out);
1151    } else {
1152      int tmpbufflen;
1153      char *tmpbuff;
1154      tmpbuff = owl_sprintf("<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
1155      tmpbufflen = strlen(tmpbuff) + 1;
1156      if (tmpbufflen > buffsize) {
1157        char *out2;
1158        buffsize = tmpbufflen * 2;
1159        out2 = owl_realloc(out, buffsize);
1160        if (out2 == NULL) {
1161          owl_free(out);
1162          owl_free(tmpbuff);
1163          ZFlushSubscriptions();
1164          out=owl_strdup("Realloc error while getting subscriptions\n");
1165          return(out);   
1166        }
1167        out = out2;
1168      }
1169      strcpy(out, tmpbuff);
1170      owl_free(tmpbuff);
1171    }
1172  }
1173
1174  ZFlushSubscriptions();
1175  return(out);
1176#else
1177  return(owl_strdup("Zephyr not available"));
1178#endif
1179}
1180
1181const char *owl_zephyr_get_variable(const char *var)
1182{
1183#ifdef HAVE_LIBZEPHYR
1184  return(ZGetVariable(zstr(var)));
1185#else
1186  return("");
1187#endif
1188}
1189
1190void owl_zephyr_set_locationinfo(const char *host, const char *val)
1191{
1192#ifdef HAVE_LIBZEPHYR
1193  ZInitLocationInfo(zstr(host), zstr(val));
1194#endif
1195}
1196 
1197/* Strip a local realm fron the zephyr user name.
1198 * The caller must free the return
1199 */
1200char *short_zuser(const char *in)
1201{
1202  char *out, *ptr;
1203
1204  out=owl_strdup(in);
1205  ptr=strchr(out, '@');
1206  if (ptr) {
1207    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
1208      *ptr='\0';
1209    }
1210  }
1211  return(out);
1212}
1213
1214/* Append a local realm to the zephyr user name if necessary.
1215 * The caller must free the return.
1216 */
1217char *long_zuser(const char *in)
1218{
1219  if (strchr(in, '@')) {
1220    return(owl_strdup(in));
1221  }
1222  return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
1223}
1224
1225/* strip out the instance from a zsender's principal.  Preserves the
1226 * realm if present.  daemon.webzephyr is a special case.  The
1227 * caller must free the return
1228 */
1229char *owl_zephyr_smartstripped_user(const char *in)
1230{
1231  char *ptr, *realm, *out;
1232
1233  out=owl_strdup(in);
1234
1235  /* bail immeaditly if we don't have to do any work */
1236  ptr=strchr(out, '.');
1237  if (!strchr(out, '/') && !ptr) {
1238    /* no '/' and no '.' */
1239    return(out);
1240  }
1241  if (ptr && strchr(out, '@') && (ptr > strchr(out, '@'))) {
1242    /* There's a '.' but it's in the realm */
1243    return(out);
1244  }
1245  if (!strncasecmp(out, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
1246    return(out);
1247  }
1248
1249  /* remove the realm from out, but hold on to it */
1250  realm=strchr(out, '@');
1251  if (realm) realm[0]='\0';
1252
1253  /* strip */
1254  ptr=strchr(out, '.');
1255  if (!ptr) ptr=strchr(out, '/');
1256  ptr[0]='\0';
1257
1258  /* reattach the realm if we had one */
1259  if (realm) {
1260    strcat(out, "@");
1261    strcat(out, realm+1);
1262  }
1263
1264  return(out);
1265}
1266
1267/* read the list of users in 'filename' as a .anyone file, and put the
1268 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1269 * use the default .anyone file in the users home directory.  Returns
1270 * -1 on failure, 0 on success.
1271 */
1272int owl_zephyr_get_anyone_list(owl_list *in, const char *filename)
1273{
1274#ifdef HAVE_LIBZEPHYR
1275  char *ourfile, *tmp, buff[LINE];
1276  FILE *f;
1277
1278  if (filename==NULL) {
1279    ourfile=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
1280  } else {
1281    ourfile=owl_strdup(filename);
1282  }
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
1291  while (fgets(buff, LINE, f)!=NULL) {
1292    /* ignore comments, blank lines etc. */
1293    if (buff[0]=='#') continue;
1294    if (buff[0]=='\n') continue;
1295    if (buff[0]=='\0') continue;
1296   
1297    /* strip the \n */
1298    buff[strlen(buff)-1]='\0';
1299   
1300    /* ingore from # on */
1301    tmp=strchr(buff, '#');
1302    if (tmp) tmp[0]='\0';
1303   
1304    /* ingore from SPC */
1305    tmp=strchr(buff, ' ');
1306    if (tmp) tmp[0]='\0';
1307   
1308    /* stick on the local realm. */
1309    if (!strchr(buff, '@')) {
1310      strcat(buff, "@");
1311      strcat(buff, ZGetRealm());
1312    }
1313    owl_list_append_element(in, owl_strdup(buff));
1314  }
1315  fclose(f);
1316  owl_free(ourfile);
1317  return(0);
1318#else
1319  return(-1);
1320#endif
1321}
1322
1323#ifdef HAVE_LIBZEPHYR
1324void owl_zephyr_process_events(owl_dispatch *d) {
1325  int zpendcount=0;
1326  ZNotice_t notice;
1327  struct sockaddr_in from;
1328  owl_message *m=NULL;
1329
1330  while(owl_zephyr_zpending() && zpendcount < 20) {
1331    if (owl_zephyr_zpending()) {
1332      ZReceiveNotice(&notice, &from);
1333      zpendcount++;
1334
1335      /* is this an ack from a zephyr we sent? */
1336      if (owl_zephyr_notice_is_ack(&notice)) {
1337        owl_zephyr_handle_ack(&notice);
1338        continue;
1339      }
1340
1341      /* if it's a ping and we're not viewing pings then skip it */
1342      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
1343        continue;
1344      }
1345
1346      /* create the new message */
1347      m=owl_malloc(sizeof(owl_message));
1348      owl_message_create_from_znotice(m, &notice);
1349
1350      owl_global_messagequeue_addmsg(&g, m);
1351    }
1352  }
1353}
1354
1355#else
1356void owl_zephyr_process_events(owl_dispatch *d) {
1357 
1358}
1359#endif
Note: See TracBrowser for help on using the repository browser.