source: zephyr.c @ 8721756

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 8721756 was 8ba37ec, checked in by James M. Kretchmar <kretch@mit.edu>, 18 years ago
Fixed a bug where sending a null zsig could cause a crash Better 'away' toggling if only one protocol is away. Bumped version to 2.1.4
  • Property mode set to 100644
File size: 21.4 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
9static const char fileIdent[] = "$Id$";
10
11#ifdef HAVE_LIBZEPHYR
12Code_t ZResetAuthentication();
13#endif
14
15int owl_zephyr_initialize()
16{
17#ifdef HAVE_LIBZEPHYR
18  int ret;
19 
20  if ((ret = ZInitialize()) != ZERR_NONE) {
21    com_err("owl",ret,"while initializing");
22    return(1);
23  }
24  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
25    com_err("owl",ret,"while opening port");
26    return(1);
27  }
28#endif
29  return(0);
30}
31
32
33int owl_zephyr_shutdown()
34{
35#ifdef HAVE_LIBZEPHYR
36  unsuball();
37  ZClosePort();
38#endif
39  return(0);
40}
41
42int owl_zephyr_zpending()
43{
44#ifdef HAVE_LIBZEPHYR
45  return(ZPending());
46#else
47  return(0);
48#endif
49}
50
51char *owl_zephyr_get_realm()
52{
53#ifdef HAVE_LIBZEPHYR
54  return(ZGetRealm());
55#else
56  return("");
57#endif
58}
59
60char *owl_zephyr_get_sender()
61{
62#ifdef HAVE_LIBZEPHYR
63  return(ZGetSender());
64#else
65  return("");
66#endif
67}
68
69/* return 0  on success
70 *        -1 on file error
71 *        -2 on subscription error
72 */
73int owl_zephyr_loadsubs(char *filename)
74{
75#ifdef HAVE_LIBZEPHYR
76  FILE *file;
77  char *tmp, *start;
78  char buffer[1024], subsfile[1024];
79  ZSubscription_t subs[3001];
80  int count, ret, i;
81  struct stat statbuff;
82
83  if (filename==NULL) {
84    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
85  } else {
86    strcpy(subsfile, filename);
87  }
88
89  ret=stat(subsfile, &statbuff);
90  if (ret) return(0);
91
92  ret=0;
93
94  ZResetAuthentication();
95  /* need to redo this to do chunks, not just bail after 3000 */
96  count=0;
97  file=fopen(subsfile, "r");
98  if (file) {
99    while ( fgets(buffer, 1024, file)!=NULL ) {
100      if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
101
102      if (buffer[0]=='-') {
103        start=buffer+1;
104      } else {
105        start=buffer;
106      }
107     
108      if (count >= 3000) break; /* also tell the user */
109
110      /* add it to the list of subs */
111      if ((tmp=(char *) strtok(start, ",\n\r"))==NULL) continue;
112      subs[count].zsub_class=owl_strdup(tmp);
113      if ((tmp=(char *) strtok(NULL, ",\n\r"))==NULL) continue;
114      subs[count].zsub_classinst=owl_strdup(tmp);
115      if ((tmp=(char *) strtok(NULL, " \t\n\r"))==NULL) continue;
116      subs[count].zsub_recipient=owl_strdup(tmp);
117
118      /* if it started with '-' then add it to the global punt list */
119      if (buffer[0]=='-') {
120        owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
121      }
122     
123      count++;
124    }
125    fclose(file);
126  } else {
127    count=0;
128    ret=-1;
129  }
130
131  /* sub without defaults */
132  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
133    owl_function_error("Error subscribing to zephyr notifications.");
134    ret=-2;
135  }
136
137  /* free stuff */
138  for (i=0; i<count; i++) {
139    owl_free(subs[i].zsub_class);
140    owl_free(subs[i].zsub_classinst);
141    owl_free(subs[i].zsub_recipient);
142  }
143
144  return(ret);
145#else
146  return(0);
147#endif
148}
149
150int owl_zephyr_loaddefaultsubs()
151{
152#ifdef HAVE_LIBZEPHYR
153  ZSubscription_t subs[10];
154   
155  if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
156    owl_function_error("Error subscribing to default zephyr notifications.");
157    return(-1);
158  }
159  return(0);
160#else
161  return(0);
162#endif
163}
164
165int owl_zephyr_loadloginsubs(char *filename)
166{
167#ifdef HAVE_LIBZEPHYR
168  FILE *file;
169  ZSubscription_t subs[3001];
170  char subsfile[1024], buffer[1024];
171  int count, ret, i;
172  struct stat statbuff;
173
174  if (filename==NULL) {
175    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
176  } else {
177    strcpy(subsfile, filename);
178  }
179 
180  ret=stat(subsfile, &statbuff);
181  if (ret) return(0);
182
183  ret=0;
184
185  ZResetAuthentication();
186  /* need to redo this to do chunks, not just bag out after 3000 */
187  count=0;
188  file=fopen(subsfile, "r");
189  if (file) {
190    while ( fgets(buffer, 1024, file)!=NULL ) {
191      if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
192     
193      if (count >= 3000) break; /* also tell the user */
194
195      buffer[strlen(buffer)-1]='\0';
196      subs[count].zsub_class="login";
197      subs[count].zsub_recipient="*";
198      if (strchr(buffer, '@')) {
199        subs[count].zsub_classinst=owl_strdup(buffer);
200      } else {
201        subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
202      }
203
204      count++;
205    }
206    fclose(file);
207  } else {
208    count=0;
209    ret=-1;
210  }
211
212  /* sub with defaults */
213  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
214    owl_function_error("Error subscribing to zephyr notifications.");
215    ret=-2;
216  }
217
218  /* free stuff */
219  for (i=0; i<count; i++) {
220    owl_free(subs[i].zsub_classinst);
221  }
222
223  return(ret);
224#else
225  return(0);
226#endif
227}
228
229void unsuball()
230{
231#if HAVE_LIBZEPHYR
232  int ret;
233
234  ZResetAuthentication();
235  ret=ZCancelSubscriptions(0);
236  if (ret != ZERR_NONE) {
237    com_err("owl",ret,"while unsubscribing");
238  }
239#endif
240}
241
242int owl_zephyr_sub(char *class, char *inst, char *recip)
243{
244#ifdef HAVE_LIBZEPHYR
245  ZSubscription_t subs[5];
246
247  subs[0].zsub_class=class;
248  subs[0].zsub_classinst=inst;
249  subs[0].zsub_recipient=recip;
250
251  ZResetAuthentication();
252  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
253    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
254    return(-2);
255  }
256  return(0);
257#else
258  return(0);
259#endif
260}
261
262
263int owl_zephyr_unsub(char *class, char *inst, char *recip)
264{
265#ifdef HAVE_LIBZEPHYR
266  ZSubscription_t subs[5];
267
268  subs[0].zsub_class=class;
269  subs[0].zsub_classinst=inst;
270  subs[0].zsub_recipient=recip;
271
272  ZResetAuthentication();
273  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
274    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
275    return(-2);
276  }
277  return(0);
278#else
279  return(0);
280#endif
281}
282
283/* return a pointer to the data in the Jth field, (NULL terminated by
284 * definition).  Caller must free the return.
285 */
286#ifdef HAVE_LIBZEPHYR
287char *owl_zephyr_get_field(ZNotice_t *n, int j)
288{
289  int i, count, save;
290  char *out;
291
292  count=save=0;
293  for (i=0; i<n->z_message_len; i++) {
294    if (n->z_message[i]=='\0') {
295      count++;
296      if (count==j) {
297        /* just found the end of the field we're looking for */
298        return(owl_strdup(n->z_message+save));
299      } else {
300        save=i+1;
301      }
302    }
303  }
304  /* catch the last field, which might not be null terminated */
305  if (count==j-1) {
306    out=owl_malloc(n->z_message_len-save+5);
307    memcpy(out, n->z_message+save, n->z_message_len-save);
308    out[n->z_message_len-save]='\0';
309    return(out);
310  }
311
312  return(owl_strdup(""));
313}
314#else
315char *owl_zephyr_get_field(void *n, int j)
316{
317  return(owl_strdup(""));
318}
319#endif
320
321
322#ifdef HAVE_LIBZEPHYR
323int owl_zephyr_get_num_fields(ZNotice_t *n)
324{
325  int i, fields;
326
327  fields=1;
328  for (i=0; i<n->z_message_len; i++) {
329    if (n->z_message[i]=='\0') fields++;
330  }
331 
332  return(fields);
333}
334#else
335int owl_zephyr_get_num_fields(void *n)
336{
337  return(0);
338}
339#endif
340
341#ifdef HAVE_LIBZEPHYR
342/* return a pointer to the message, place the message length in k
343 * caller must free the return
344 */
345char *owl_zephyr_get_message(ZNotice_t *n)
346{
347  if (!strcasecmp(n->z_opcode, "ping")) {
348    return(owl_strdup(""));
349  }
350
351  return(owl_zephyr_get_field(n, 2));
352}
353#endif
354
355#ifdef HAVE_LIBZEPHYR
356char *owl_zephyr_get_zsig(ZNotice_t *n, int *k)
357{
358  /* return a pointer to the zsig if there is one */
359
360  if (n->z_message_len==0) {
361    *k=0;
362    return("");
363  }
364  *k=strlen(n->z_message);
365  return(n->z_message);
366}
367#else
368char *owl_zephyr_get_zsig(void *n, int *k)
369{
370  return("");
371}
372#endif
373
374int send_zephyr(char *opcode, char *zsig, char *class, char *instance, char *recipient, char *message)
375{
376#ifdef HAVE_LIBZEPHYR
377  int ret;
378  ZNotice_t notice;
379   
380  memset(&notice, 0, sizeof(notice));
381
382  ZResetAuthentication();
383
384  if (!zsig) zsig="";
385 
386  notice.z_kind=ACKED;
387  notice.z_port=0;
388  notice.z_class=class;
389  notice.z_class_inst=instance;
390  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
391    notice.z_recipient="";
392  } else {
393    notice.z_recipient=recipient;
394  }
395  notice.z_default_format="Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2";
396  notice.z_sender=NULL;
397  if (opcode) notice.z_opcode=opcode;
398
399  notice.z_message_len=strlen(zsig)+1+strlen(message);
400  notice.z_message=owl_malloc(notice.z_message_len+10);
401  strcpy(notice.z_message, zsig);
402  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
403
404  /* ret=ZSendNotice(&notice, ZAUTH); */
405  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
406 
407  /* free then check the return */
408  owl_free(notice.z_message);
409  ZFreeNotice(&notice);
410  if (ret!=ZERR_NONE) {
411    owl_function_error("Error sending zephyr");
412    return(ret);
413  }
414  return(0);
415#else
416  return(0);
417#endif
418}
419
420#ifdef HAVE_LIBZEPHYR
421Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
422{
423  return(ZSendPacket(buf, len, 0));
424}
425#endif
426
427void send_ping(char *to)
428{
429#ifdef HAVE_LIBZEPHYR
430  send_zephyr("PING", "", "MESSAGE", "PERSONAL", to, "");
431#endif
432}
433
434#ifdef HAVE_LIBZEPHYR
435void owl_zephyr_handle_ack(ZNotice_t *retnotice)
436{
437  char *tmp;
438 
439  /* if it's an HMACK ignore it */
440  if (retnotice->z_kind == HMACK) return;
441
442  if (retnotice->z_kind == SERVNAK) {
443    owl_function_error("Authorization failure sending zephyr");
444  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
445    owl_function_error("Detected server failure while receiving acknowledgement");
446  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
447    if (!strcasecmp(retnotice->z_opcode, "ping")) {
448      return;
449    } else if (!strcasecmp(retnotice->z_class, "message") &&
450               !strcasecmp(retnotice->z_class_inst, "personal")) {
451      tmp=short_zuser(retnotice->z_recipient);
452      owl_function_makemsg("Message sent to %s.", tmp);
453      free(tmp);
454    } else {
455      owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
456    }
457  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
458    if (strcasecmp(retnotice->z_class, "message")) {
459      char buff[1024];
460      owl_function_error("No one subscribed to class class %s", retnotice->z_class);
461      sprintf(buff, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
462      owl_function_adminmsg("", buff);
463    } else {
464      char buff[1024];
465      tmp = short_zuser(retnotice->z_recipient);
466      owl_function_error("%s: Not logged in or subscribing to messages.", 
467                           tmp);
468
469      sprintf(buff, "Could not send message to %s: not logged in or subscribing to messages.\n", tmp);
470      owl_function_adminmsg("", buff);
471      if (owl_global_is_logging(&g)) owl_log_outgoing_zephyr_error(tmp, buff);
472      owl_free(tmp);
473    }
474  } else {
475    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
476  }
477}
478#else
479void owl_zephyr_handle_ack(void *retnotice)
480{
481}
482#endif
483
484#ifdef HAVE_LIBZEPHYR
485int owl_zephyr_notice_is_ack(ZNotice_t *n)
486{
487  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
488    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
489    return(1);
490  }
491  return(0);
492}
493#else
494int owl_zephyr_notice_is_ack(void *n)
495{
496  return(0);
497}
498#endif
499 
500void owl_zephyr_zaway(owl_message *m)
501{
502#ifdef HAVE_LIBZEPHYR
503  char *tmpbuff, *myuser, *to;
504 
505  /* bail if it doesn't look like a message we should reply to.  Some
506   * of this defined by the way zaway(1) works
507   */
508  if (strcasecmp(owl_message_get_class(m), "message")) return;
509  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
510  if (!strcasecmp(owl_message_get_sender(m), "")) return;
511  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
512  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
513  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
514  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
515  if (owl_message_get_attribute_value(m, "isauto")) return;
516
517  if (owl_global_is_smartstrip(&g)) {
518    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
519  } else {
520    to=owl_strdup(owl_message_get_sender(m));
521  }
522
523  send_zephyr("",
524              "Automated reply:",
525              owl_message_get_class(m),
526              owl_message_get_instance(m),
527              to,
528              owl_global_get_zaway_msg(&g));
529
530  myuser=short_zuser(to);
531  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
532    tmpbuff = owl_sprintf("zwrite %s", myuser);
533  } else {
534    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
535  }
536  owl_free(myuser);
537  owl_free(to);
538
539  /* display the message as an admin message in the receive window */
540  owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
541  owl_free(tmpbuff);
542#endif
543}
544
545#ifdef HAVE_LIBZEPHYR
546void owl_zephyr_hackaway_cr(ZNotice_t *n)
547{
548  /* replace \r's with ' '.  Gross-ish */
549  int i;
550
551  for (i=0; i<n->z_message_len; i++) {
552    if (n->z_message[i]=='\r') {
553      n->z_message[i]=' ';
554    }
555  }
556}
557#endif
558
559void owl_zephyr_zlocate(char *user, char *out, int auth)
560{
561#ifdef HAVE_LIBZEPHYR
562  int ret, numlocs;
563  int one = 1;
564  ZLocations_t locations;
565  char *myuser;
566 
567  strcpy(out, "");
568  ZResetAuthentication();
569  ret=ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH);
570  if (ret != ZERR_NONE) {
571    owl_function_error("Error locating user %s", user);
572  }
573
574  if (numlocs==0) {
575    myuser=short_zuser(user);
576    sprintf(out, "%s: Hidden or not logged-in\n", myuser);
577    owl_free(myuser);
578    return;
579  }
580   
581  for (;numlocs;numlocs--) {
582    ZGetLocations(&locations,&one);
583    myuser=short_zuser(user);
584    sprintf(out, "%s%s: %s\t%s\t%s\n", out, myuser, locations.host, locations.tty, locations.time);
585    owl_free(myuser);
586  }
587#endif
588}
589
590void owl_zephyr_addsub(char *filename, char *class, char *inst, char *recip)
591{
592#ifdef HAVE_LIBZEPHYR
593  char *line, subsfile[LINE], buff[LINE];
594  FILE *file;
595
596  line=owl_zephyr_makesubline(class, inst, recip);
597
598  if (filename==NULL) {
599    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
600  } else {
601    strcpy(subsfile, filename);
602  }
603
604  /* first check if it exists already */
605  file=fopen(subsfile, "r");
606  if (!file) {
607    owl_function_error("Error opening file %s", subsfile);
608    owl_free(line);
609    return;
610  }
611  while (fgets(buff, LINE, file)!=NULL) {
612    if (!strcasecmp(buff, line)) {
613      owl_function_error("Subscription already present in %s", subsfile);
614      owl_free(line);
615      return;
616    }
617  }
618
619  /* if we get here then we didn't find it */
620  fclose(file);
621  file=fopen(subsfile, "a");
622  if (!file) {
623    owl_function_error("Error opening file %s for writing", subsfile);
624    owl_free(line);
625    return;
626  }
627  fputs(line, file);
628  fclose(file);
629  owl_function_makemsg("Subscription added");
630 
631  owl_free(line);
632#endif
633}
634
635void owl_zephyr_delsub(char *filename, char *class, char *inst, char *recip)
636{
637#ifdef HAVE_LIBZEPHYR
638  char *line, *subsfile;
639 
640  line=owl_zephyr_makesubline(class, inst, recip);
641  line[strlen(line)-1]='\0';
642
643  if (!filename) {
644    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
645  } else {
646    subsfile=owl_strdup(filename);
647  }
648 
649  owl_util_file_deleteline(subsfile, line, 1);
650  owl_free(subsfile);
651  owl_free(line);
652  owl_function_makemsg("Subscription removed");
653#endif
654}
655
656/* caller must free the return */
657char *owl_zephyr_makesubline(char *class, char *inst, char *recip)
658{
659  char *out;
660
661  out=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+30);
662  sprintf(out, "%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
663  return(out);
664}
665
666
667void owl_zephyr_zlog_in(void)
668{
669#ifdef HAVE_LIBZEPHYR
670  char *exposure, *eset;
671  int ret;
672
673  ZResetAuthentication();
674   
675  eset=EXPOSE_REALMVIS;
676  exposure=ZGetVariable("exposure");
677  if (exposure==NULL) {
678    eset=EXPOSE_REALMVIS;
679  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
680    eset = EXPOSE_NONE;
681  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
682    eset = EXPOSE_OPSTAFF;
683  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
684    eset = EXPOSE_REALMVIS;
685  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
686    eset = EXPOSE_REALMANN;
687  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
688    eset = EXPOSE_NETVIS;
689  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
690    eset = EXPOSE_NETANN;
691  }
692   
693  ret=ZSetLocation(eset);
694  if (ret != ZERR_NONE) {
695    /*
696      char buff[LINE];
697      sprintf(buff, "Error setting location: %s", error_message(ret));
698      owl_function_makemsg(buff);
699    */
700  }
701#endif
702}
703
704void owl_zephyr_zlog_out(void)
705{
706#ifdef HAVE_LIBZEPHYR
707  int ret;
708
709  ZResetAuthentication();
710  ret=ZUnsetLocation();
711  if (ret != ZERR_NONE) {
712    /*
713      char buff[LINE];
714      sprintf(buff, "Error unsetting location: %s", error_message(ret));
715      owl_function_makemsg(buff);
716    */
717  }
718#endif
719}
720
721void owl_zephyr_addbuddy(char *name)
722{
723  char *filename;
724  FILE *file;
725 
726  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
727  file=fopen(filename, "a");
728  owl_free(filename);
729  if (!file) {
730    owl_function_error("Error opening zephyr buddy file for append");
731    return;
732  }
733  fprintf(file, "%s\n", name);
734  fclose(file);
735}
736
737void owl_zephyr_delbuddy(char *name)
738{
739  char *filename;
740
741  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
742  owl_util_file_deleteline(filename, name, 0);
743  owl_free(filename);
744}
745
746/* return auth string */
747#ifdef HAVE_LIBZEPHYR
748char *owl_zephyr_get_authstr(ZNotice_t *n)
749{
750
751  if (!n) return("UNKNOWN");
752
753  if (n->z_auth == ZAUTH_FAILED) {
754    return ("FAILED");
755  } else if (n->z_auth == ZAUTH_NO) {
756    return ("NO");
757  } else if (n->z_auth == ZAUTH_YES) {
758    return ("YES");
759  } else {
760    return ("UNKNOWN");
761  }           
762}
763#else
764char *owl_zephyr_get_authstr(void *n)
765{
766  return("");
767}
768#endif
769
770/* Returns a buffer of subscriptions or an error message.  Caller must
771 * free the return.
772 */
773char *owl_zephyr_getsubs()
774{
775#ifdef HAVE_LIBZEPHYR
776  int ret, num, i, one;
777  ZSubscription_t sub;
778  char *out, *tmpbuff;
779  one=1;
780
781  ret=ZRetrieveSubscriptions(0, &num);
782  if (ret==ZERR_TOOMANYSUBS) {
783    return(owl_strdup("Zephyr: too many subscriptions\n"));
784  } else if (ret) {
785    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
786  }
787
788  out=owl_malloc(num*500);
789  tmpbuff=owl_malloc(num*500);
790  strcpy(out, "");
791  for (i=0; i<num; i++) {
792    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
793      owl_free(out);
794      owl_free(tmpbuff);
795      ZFlushSubscriptions();
796      out=owl_strdup("Error while getting subscriptions\n");
797      return(out);
798    } else {
799      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
800      strcpy(out, tmpbuff);
801    }
802  }
803
804  owl_free(tmpbuff);
805  ZFlushSubscriptions();
806  return(out);
807#else
808  return(owl_strdup("Zephyr not available"));
809#endif
810}
811
812char *owl_zephyr_get_variable(char *var)
813{
814#ifdef HAVE_LIBZEPHYR
815  return(ZGetVariable(var));
816#else
817  return("");
818#endif
819}
820
821void owl_zephyr_set_locationinfo(char *host, char *val)
822{
823#ifdef HAVE_LIBZEPHYR
824  ZInitLocationInfo(host, val);
825#endif
826}
827 
828/* Strip a local realm fron the zephyr user name.
829 * The caller must free the return
830 */
831char *short_zuser(char *in)
832{
833  char *out, *ptr;
834
835  out=owl_strdup(in);
836  ptr=strchr(out, '@');
837  if (ptr) {
838    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
839      *ptr='\0';
840    }
841  }
842  return(out);
843}
844
845/* Append a local realm to the zephyr user name if necessary.
846 * The caller must free the return.
847 */
848char *long_zuser(char *in)
849{
850  char *ptr;
851
852  if (NULL != (ptr=strchr(in, '@'))) {
853    return owl_strdup(in);
854  } else {
855    return owl_sprintf("%s@%s", in, owl_zephyr_get_realm());
856  }
857}
858
859
860/* strip out the instance from a zsender's principal.  Preserves the
861 * realm if present.  daemon.webzephyr is a special case.  The
862 * caller must free the return
863 */
864char *owl_zephyr_smartstripped_user(char *in)
865{
866  char *ptr, *realm, *out;
867
868  out=owl_strdup(in);
869
870  /* bail immeaditly if we don't have to do any work */
871  ptr=strchr(in, '.');
872  if (!strchr(in, '/') && !ptr) {
873    /* no '/' and no '.' */
874    return(out);
875  }
876  if (ptr && strchr(in, '@') && (ptr > strchr(in, '@'))) {
877    /* There's a '.' but it's in the realm */
878    return(out);
879  }
880  if (!strncasecmp(in, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
881    return(out);
882  }
883
884  /* remove the realm from ptr, but hold on to it */
885  realm=strchr(out, '@');
886  if (realm) realm[0]='\0';
887
888  /* strip */
889  ptr=strchr(out, '.');
890  if (!ptr) ptr=strchr(out, '/');
891  ptr[0]='\0';
892
893  /* reattach the realm if we had one */
894  if (realm) {
895    strcat(out, "@");
896    strcat(out, realm+1);
897  }
898
899  return(out);
900}
901
902/* read the list of users in 'filename' as a .anyone file, and put the
903 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
904 * use the default .anyone file in the users home directory.  Returns
905 * -1 on failure, 0 on success.
906 */
907int owl_zephyr_get_anyone_list(owl_list *in, char *filename)
908{
909#ifdef HAVE_LIBZEPHYR
910  char *ourfile, *tmp, buff[LINE];
911  FILE *f;
912
913  if (filename==NULL) {
914    tmp=owl_global_get_homedir(&g);
915    ourfile=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
916  } else {
917    ourfile=owl_strdup(filename);
918  }
919 
920  f=fopen(ourfile, "r");
921  if (!f) {
922    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
923    owl_free(ourfile);
924    return(-1);
925  }
926
927  while (fgets(buff, LINE, f)!=NULL) {
928    /* ignore comments, blank lines etc. */
929    if (buff[0]=='#') continue;
930    if (buff[0]=='\n') continue;
931    if (buff[0]=='\0') continue;
932   
933    /* strip the \n */
934    buff[strlen(buff)-1]='\0';
935   
936    /* ingore from # on */
937    tmp=strchr(buff, '#');
938    if (tmp) tmp[0]='\0';
939   
940    /* ingore from SPC */
941    tmp=strchr(buff, ' ');
942    if (tmp) tmp[0]='\0';
943   
944    /* stick on the local realm. */
945    if (!strchr(buff, '@')) {
946      strcat(buff, "@");
947      strcat(buff, ZGetRealm());
948    }
949    owl_list_append_element(in, owl_strdup(buff));
950  }
951  fclose(f);
952  owl_free(ourfile);
953  return(0);
954#else
955  return(-1);
956#endif
957}
Note: See TracBrowser for help on using the repository browser.