source: zephyr.c @ 97cd00be

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 97cd00be was 97cd00be, checked in by James M. Kretchmar <kretch@mit.edu>, 17 years ago
Better align loopback and admin messages Better errors on zephyr sub failures
  • Property mode set to 100644
File size: 19.1 KB
RevLine 
[7d4fbcd]1#include <stdlib.h>
2#include <unistd.h>
3#include <sys/types.h>
4#include <sys/wait.h>
5#include <string.h>
6#include "owl.h"
7
[1aee7d9]8static const char fileIdent[] = "$Id$";
9
[09489b89]10#ifdef HAVE_LIBZEPHYR
[8262340]11Code_t ZResetAuthentication();
[09489b89]12#endif
[8262340]13
[be0a79f]14int owl_zephyr_initialize()
15{
[09489b89]16#ifdef HAVE_LIBZEPHYR
[be0a79f]17  int ret;
18 
19  if ((ret = ZInitialize()) != ZERR_NONE) {
20    com_err("owl",ret,"while initializing");
21    return(1);
22  }
23  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
24    com_err("owl",ret,"while opening port");
25    return(1);
26  }
[09489b89]27#endif
28  return(0);
29}
30
31
32int owl_zephyr_shutdown()
33{
34#ifdef HAVE_LIBZEPHYR
35  unsuball();
36  ZClosePort();
37#endif
[be0a79f]38  return(0);
39}
40
41int owl_zephyr_zpending()
42{
43#ifdef HAVE_LIBZEPHYR
44  return(ZPending());
45#else
46  return(0);
47#endif
48}
49
[09489b89]50char *owl_zephyr_get_realm()
51{
52#ifdef HAVE_LIBZEPHYR
53  return(ZGetRealm());
54#else
55  return("");
56#endif
57}
58
59char *owl_zephyr_get_sender()
60{
61#ifdef HAVE_LIBZEPHYR
62  return(ZGetSender());
63#else
64  return("");
65#endif
66}
67
[31e48a3]68int owl_zephyr_loadsubs(char *filename)
69{
[be0a79f]70#ifdef HAVE_LIBZEPHYR
[7d4fbcd]71  /* return 0  on success
72   *        -1 on file error
73   *        -2 on subscription error
74   */
75  FILE *file;
76  char *tmp, *start;
77  char buffer[1024], subsfile[1024];
78  ZSubscription_t subs[3001];
79  int count, ret, i;
80
81  ret=0;
82 
83  if (filename==NULL) {
84    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
85  } else {
86    strcpy(subsfile, filename);
87  }
[8262340]88
89  ZResetAuthentication();
[7d4fbcd]90  /* need to redo this to do chunks, not just bail after 3000 */
91  count=0;
92  file=fopen(subsfile, "r");
93  if (file) {
94    while ( fgets(buffer, 1024, file)!=NULL ) {
95      if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
96
97      if (buffer[0]=='-') {
98        start=buffer+1;
99      } else {
100        start=buffer;
101      }
102     
103      if (count >= 3000) break; /* also tell the user */
104
105      /* add it to the list of subs */
106      if ((tmp=(char *) strtok(start, ",\n\r"))==NULL) continue;
107      subs[count].zsub_class=owl_strdup(tmp);
108      if ((tmp=(char *) strtok(NULL, ",\n\r"))==NULL) continue;
109      subs[count].zsub_classinst=owl_strdup(tmp);
110      if ((tmp=(char *) strtok(NULL, " \t\n\r"))==NULL) continue;
111      subs[count].zsub_recipient=owl_strdup(tmp);
112
113      /* if it started with '-' then add it to the global punt list */
114      if (buffer[0]=='-') {
115        owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
116      }
117     
118      count++;
119    }
120    fclose(file);
121  } else {
122    count=0;
123    ret=-1;
124  }
125
126  /* sub with defaults */
127  if (ZSubscribeTo(subs,count,0) != ZERR_NONE) {
[252a5c2]128    owl_function_error("Error subscribing to zephyr notifications.");
[7d4fbcd]129    ret=-2;
130  }
131
132  /* free stuff */
133  for (i=0; i<count; i++) {
134    owl_free(subs[i].zsub_class);
135    owl_free(subs[i].zsub_classinst);
136    owl_free(subs[i].zsub_recipient);
137  }
138
139  return(ret);
[be0a79f]140#else
141  return(0);
142#endif
[7d4fbcd]143}
144
[31e48a3]145int owl_zephyr_loadloginsubs(char *filename)
146{
[be0a79f]147#ifdef HAVE_LIBZEPHYR
[7d4fbcd]148  FILE *file;
149  ZSubscription_t subs[3001];
150  char subsfile[1024], buffer[1024];
151  int count, ret, i;
152
153  ret=0;
154
155  if (filename==NULL) {
156    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
157  } else {
158    strcpy(subsfile, filename);
159  }
160
[8262340]161  ZResetAuthentication();
[7d4fbcd]162  /* need to redo this to do chunks, not just bag out after 3000 */
163  count=0;
164  file=fopen(subsfile, "r");
165  if (file) {
166    while ( fgets(buffer, 1024, file)!=NULL ) {
167      if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
168     
169      if (count >= 3000) break; /* also tell the user */
170
171      buffer[strlen(buffer)-1]='\0';
172      subs[count].zsub_class="login";
173      subs[count].zsub_recipient="*";
174      if (strchr(buffer, '@')) {
175        subs[count].zsub_classinst=owl_strdup(buffer);
176      } else {
[1c6c4d3]177        subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
[7d4fbcd]178      }
179
180      count++;
181    }
182    fclose(file);
183  } else {
184    count=0;
185    ret=-1;
186  }
187
188  /* sub with defaults */
[7933748]189  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
[252a5c2]190    owl_function_error("Error subscribing to zephyr notifications.");
[7d4fbcd]191    ret=-2;
192  }
193
194  /* free stuff */
195  for (i=0; i<count; i++) {
196    owl_free(subs[i].zsub_classinst);
197  }
198
199  return(ret);
[be0a79f]200#else
201  return(0);
202#endif
[7d4fbcd]203}
204
[31e48a3]205void unsuball()
206{
[be0a79f]207#if HAVE_LIBZEPHYR
[7d4fbcd]208  int ret;
[8262340]209
210  ZResetAuthentication();
[7d4fbcd]211  ret=ZCancelSubscriptions(0);
212  if (ret != ZERR_NONE) {
213    com_err("owl",ret,"while unsubscribing");
214  }
[be0a79f]215#endif
[7d4fbcd]216}
217
[31e48a3]218int owl_zephyr_sub(char *class, char *inst, char *recip)
219{
[be0a79f]220#ifdef HAVE_LIBZEPHYR
[7d4fbcd]221  ZSubscription_t subs[5];
222  int ret;
223
224  subs[0].zsub_class=class;
225  subs[0].zsub_classinst=inst;
226  subs[0].zsub_recipient=recip;
227
[8262340]228  ZResetAuthentication();
[7d4fbcd]229  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]230    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
231    return(-2);
[7d4fbcd]232  }
233  return(0);
[be0a79f]234#else
235  return(0);
236#endif
[7d4fbcd]237}
238
239
[31e48a3]240int owl_zephyr_unsub(char *class, char *inst, char *recip)
241{
[be0a79f]242#ifdef HAVE_LIBZEPHYR
[7d4fbcd]243  ZSubscription_t subs[5];
244  int ret;
245
246  subs[0].zsub_class=class;
247  subs[0].zsub_classinst=inst;
248  subs[0].zsub_recipient=recip;
249
[8262340]250  ZResetAuthentication();
[7d4fbcd]251  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]252    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
253    return(-2);
[7d4fbcd]254  }
255  return(0);
[be0a79f]256#else
257  return(0);
258#endif
[7d4fbcd]259}
260
[be0a79f]261#ifdef HAVE_LIBZEPHYR
[31e48a3]262char *owl_zephyr_get_field(ZNotice_t *n, int j, int *k)
263{
[7d4fbcd]264  /* return a pointer to the Jth field, place the length in k.  If the
265     field doesn't exist return an emtpy string */
266  int i, count, save;
267
268  count=save=0;
269  for (i=0; i<n->z_message_len; i++) {
270    if (n->z_message[i]=='\0') {
271      count++;
272      if (count==j) {
273        /* just found the end of the field we're looking for */
274        *k=i-save;
275        return(n->z_message+save);
276      } else {
277        save=i+1;
278      }
279    }
280  }
281  /* catch the last field */
282  if (count==j-1) {
283    *k=n->z_message_len-save;
284    return(n->z_message+save);
285  }
286 
287  *k=0;
288  return("");
289}
[09489b89]290#else
291char *owl_zephyr_get_field(void *n, int j, int *k)
292{
293  return("");
294}
[be0a79f]295#endif
[7d4fbcd]296
[be0a79f]297#ifdef HAVE_LIBZEPHYR
[31e48a3]298int owl_zephyr_get_num_fields(ZNotice_t *n)
299{
[7d4fbcd]300  int i, fields;
301
302  fields=1;
303  for (i=0; i<n->z_message_len; i++) {
304    if (n->z_message[i]=='\0') fields++;
305  }
306 
307  return(fields);
308}
[09489b89]309#else
310int owl_zephyr_get_num_fields(void *n)
311{
312  return(0);
313}
[be0a79f]314#endif
[7d4fbcd]315
[be0a79f]316#ifdef HAVE_LIBZEPHYR
[31e48a3]317char *owl_zephyr_get_message(ZNotice_t *n, int *k)
318{
[7d4fbcd]319  /* return a pointer to the message, place the message length in k */
320  if (!strcasecmp(n->z_opcode, "ping")) {
321    *k=0;
322    return("");
323  }
324
325  return(owl_zephyr_get_field(n, 2, k));
326}
[be0a79f]327#endif
[7d4fbcd]328
[be0a79f]329#ifdef HAVE_LIBZEPHYR
[31e48a3]330char *owl_zephyr_get_zsig(ZNotice_t *n, int *k)
331{
[7d4fbcd]332  /* return a pointer to the zsig if there is one */
333
334  if (n->z_message_len==0) {
335    *k=0;
336    return("");
337  }
338  *k=strlen(n->z_message);
339  return(n->z_message);
340}
[09489b89]341#else
342char *owl_zephyr_get_zsig(void *n, int *k)
343{
344  return("");
345}
[be0a79f]346#endif
[7d4fbcd]347
[31e48a3]348int send_zephyr(char *opcode, char *zsig, char *class, char *instance, char *recipient, char *message)
349{
[be0a79f]350#ifdef HAVE_LIBZEPHYR
[7d4fbcd]351  int ret;
352  ZNotice_t notice;
353   
354  memset(&notice, 0, sizeof(notice));
355
[8262340]356  ZResetAuthentication();
357 
[7d4fbcd]358  notice.z_kind=ACKED;
359  notice.z_port=0;
360  notice.z_class=class;
361  notice.z_class_inst=instance;
362  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
363    notice.z_recipient="";
364  } else {
365    notice.z_recipient=recipient;
366  }
367  notice.z_default_format="Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2";
368  notice.z_sender=NULL;
369  if (opcode) notice.z_opcode=opcode;
370
[56330ff]371  notice.z_message_len=strlen(zsig)+1+strlen(message);
[7d4fbcd]372  notice.z_message=owl_malloc(notice.z_message_len+10);
[56330ff]373  strcpy(notice.z_message, zsig);
374  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]375
376  /* ret=ZSendNotice(&notice, ZAUTH); */
377  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
378 
379  /* free then check the return */
380  owl_free(notice.z_message);
381  ZFreeNotice(&notice);
382  if (ret!=ZERR_NONE) {
[ec6ff52]383    owl_function_error("Error sending zephyr");
[7d4fbcd]384    return(ret);
385  }
386  return(0);
[be0a79f]387#else
388  return(0);
389#endif
[7d4fbcd]390}
391
[be0a79f]392#ifdef HAVE_LIBZEPHYR
[31e48a3]393Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
394{
[7d4fbcd]395  return(ZSendPacket(buf, len, 0));
396}
[be0a79f]397#endif
[7d4fbcd]398
[31e48a3]399void send_ping(char *to)
400{
[be0a79f]401#ifdef HAVE_LIBZEPHYR
[7d4fbcd]402  send_zephyr("PING", "", "MESSAGE", "PERSONAL", to, "");
[be0a79f]403#endif
[7d4fbcd]404}
405
[be0a79f]406#ifdef HAVE_LIBZEPHYR
[31e48a3]407void owl_zephyr_handle_ack(ZNotice_t *retnotice)
408{
[7d4fbcd]409  char *tmp;
410 
411  /* if it's an HMACK ignore it */
412  if (retnotice->z_kind == HMACK) return;
[aecf3e6]413
[7d4fbcd]414  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]415    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]416  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]417    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]418  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
419    if (!strcasecmp(retnotice->z_opcode, "ping")) {
420      return;
421    } else if (!strcasecmp(retnotice->z_class, "message") &&
422               !strcasecmp(retnotice->z_class_inst, "personal")) {
[4b464a4]423      tmp=short_zuser(retnotice->z_recipient);
[b4db911]424      owl_function_makemsg("Message sent to %s.", tmp);
[7d4fbcd]425      free(tmp);
426    } else {
[b4db911]427      owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
[7d4fbcd]428    }
429  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
430    if (strcasecmp(retnotice->z_class, "message")) {
[9119a47]431      char buff[1024];
[269ed34]432      owl_function_error("No one subscribed to class class %s", retnotice->z_class);
433      sprintf(buff, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]434      owl_function_adminmsg("", buff);
[7d4fbcd]435    } else {
[9119a47]436      char buff[1024];
[4b464a4]437      tmp = short_zuser(retnotice->z_recipient);
[ec6ff52]438      owl_function_error("%s: Not logged in or subscribing to messages.", 
[1c6c4d3]439                           tmp);
[9119a47]440
441      sprintf(buff, "Could not send message to %s: not logged in or subscribing to messages.\n", tmp);
442      owl_function_adminmsg("", buff);
[1c6c4d3]443      owl_free(tmp);
[7d4fbcd]444    }
445  } else {
[ec6ff52]446    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]447  }
448}
[09489b89]449#else
450void owl_zephyr_handle_ack(void *retnotice)
451{
452}
[be0a79f]453#endif
[7d4fbcd]454
[be0a79f]455#ifdef HAVE_LIBZEPHYR
[31e48a3]456int owl_zephyr_notice_is_ack(ZNotice_t *n)
457{
[7d4fbcd]458  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
459    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
460    return(1);
461  }
462  return(0);
463}
[09489b89]464#else
465int owl_zephyr_notice_is_ack(void *n)
466{
467  return(0);
468}
[be0a79f]469#endif
[7d4fbcd]470 
[31e48a3]471void owl_zephyr_zaway(owl_message *m)
472{
[be0a79f]473#ifdef HAVE_LIBZEPHYR
[7c8060d0]474  char *tmpbuff, *myuser, *to;
[7d4fbcd]475 
[aa2f6364]476  /* bail if it doesn't look like a message we should reply to.  Some
477     of this defined by the way zaway(1) works */
[7d4fbcd]478  if (strcasecmp(owl_message_get_class(m), "message")) return;
479  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
480  if (!strcasecmp(owl_message_get_sender(m), "")) return;
481  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
482  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]483  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]484  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
485
[7c8060d0]486  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]487    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]488  } else {
489    to=owl_strdup(owl_message_get_sender(m));
490  }
491
[7d4fbcd]492  send_zephyr("",
493              "Automated reply:",
494              owl_message_get_class(m),
495              owl_message_get_instance(m),
[7c8060d0]496              to,
[7d4fbcd]497              owl_global_get_zaway_msg(&g));
498
[7c8060d0]499  myuser=short_zuser(to);
[aa2f6364]500  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
501    tmpbuff = owl_sprintf("zwrite %s", myuser);
502  } else {
503    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
504  }
505  owl_free(myuser);
[7c8060d0]506  owl_free(to);
[aa2f6364]507
[7d4fbcd]508  /* display the message as an admin message in the receive window */
[d023c25]509  owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
[7d4fbcd]510  owl_free(tmpbuff);
[be0a79f]511#endif
[7d4fbcd]512}
513
[be0a79f]514#ifdef HAVE_LIBZEPHYR
[31e48a3]515void owl_zephyr_hackaway_cr(ZNotice_t *n)
516{
[7d4fbcd]517  /* replace \r's with ' '.  Gross-ish */
518  int i;
519
520  for (i=0; i<n->z_message_len; i++) {
521    if (n->z_message[i]=='\r') {
522      n->z_message[i]=' ';
523    }
524  }
525}
[be0a79f]526#endif
[7d4fbcd]527
[31e48a3]528void owl_zephyr_zlocate(char *user, char *out, int auth)
529{
[be0a79f]530#ifdef HAVE_LIBZEPHYR
[7d4fbcd]531  int ret, numlocs;
532  int one = 1;
533  ZLocations_t locations;
534  char *myuser;
535 
536  strcpy(out, "");
[8262340]537  ZResetAuthentication();
[7d4fbcd]538  ret=ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH);
539  if (ret != ZERR_NONE) {
[ec6ff52]540    owl_function_error("Error locating user %s", user);
[7d4fbcd]541  }
542
543  if (numlocs==0) {
[2527615]544    myuser=short_zuser(user);
545    sprintf(out, "%s: Hidden or not logged-in\n", myuser);
546    owl_free(myuser);
[7d4fbcd]547    return;
548  }
549   
550  for (;numlocs;numlocs--) {
551    ZGetLocations(&locations,&one);
[4b464a4]552    myuser=short_zuser(user);
[7d4fbcd]553    sprintf(out, "%s%s: %s\t%s\t%s\n", out, myuser, locations.host, locations.tty, locations.time);
554    owl_free(myuser);
555  }
[be0a79f]556#endif
[7d4fbcd]557}
[bde7714]558
[31e48a3]559void owl_zephyr_addsub(char *filename, char *class, char *inst, char *recip)
560{
[be0a79f]561#ifdef HAVE_LIBZEPHYR
[bde7714]562  char *line, subsfile[LINE], buff[LINE];
563  FILE *file;
564
565  line=owl_zephyr_makesubline(class, inst, recip);
566
567  if (filename==NULL) {
568    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
569  } else {
570    strcpy(subsfile, filename);
571  }
572
573  /* first check if it exists already */
574  file=fopen(subsfile, "r");
575  if (!file) {
[ec6ff52]576    owl_function_error("Error opening file %s", subsfile);
[bde7714]577    owl_free(line);
578    return;
579  }
580  while (fgets(buff, LINE, file)!=NULL) {
581    if (!strcasecmp(buff, line)) {
[ec6ff52]582      owl_function_error("Subscription already present in %s", subsfile);
[bde7714]583      owl_free(line);
584      return;
585    }
586  }
587
588  /* if we get here then we didn't find it */
589  fclose(file);
590  file=fopen(subsfile, "a");
591  if (!file) {
[ec6ff52]592    owl_function_error("Error opening file %s for writing", subsfile);
[bde7714]593    owl_free(line);
594    return;
595  }
596  fputs(line, file);
597  fclose(file);
598  owl_function_makemsg("Subscription added");
599 
600  owl_free(line);
[be0a79f]601#endif
[bde7714]602}
603
[31e48a3]604void owl_zephyr_delsub(char *filename, char *class, char *inst, char *recip)
605{
[be0a79f]606#ifdef HAVE_LIBZEPHYR
[b2a91b6]607  char *line, *subsfile;
[bde7714]608 
609  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]610  line[strlen(line)-1]='\0';
[bde7714]611
[b2a91b6]612  if (!filename) {
613    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
[bde7714]614  } else {
[b2a91b6]615    subsfile=owl_strdup(filename);
[bde7714]616  }
[b2a91b6]617 
618  owl_util_file_deleteline(subsfile, line, 1);
619  owl_free(subsfile);
[bde7714]620  owl_free(line);
621  owl_function_makemsg("Subscription removed");
[be0a79f]622#endif
[bde7714]623}
624
[b2a91b6]625/* caller must free the return */
[31e48a3]626char *owl_zephyr_makesubline(char *class, char *inst, char *recip)
627{
[bde7714]628  char *out;
629
630  out=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+30);
631  sprintf(out, "%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
632  return(out);
633}
[31e48a3]634
635
636void owl_zephyr_zlog_in(void)
637{
[be0a79f]638#ifdef HAVE_LIBZEPHYR
[31e48a3]639  char *exposure, *eset;
640  int ret;
641
642  ZResetAuthentication();
643   
644  eset=EXPOSE_REALMVIS;
645  exposure=ZGetVariable("exposure");
646  if (exposure==NULL) {
647    eset=EXPOSE_REALMVIS;
648  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
649    eset = EXPOSE_NONE;
650  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
651    eset = EXPOSE_OPSTAFF;
652  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
653    eset = EXPOSE_REALMVIS;
654  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
655    eset = EXPOSE_REALMANN;
656  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
657    eset = EXPOSE_NETVIS;
658  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
659    eset = EXPOSE_NETANN;
660  }
661   
662  ret=ZSetLocation(eset);
663  if (ret != ZERR_NONE) {
664    /*
665      char buff[LINE];
666      sprintf(buff, "Error setting location: %s", error_message(ret));
667      owl_function_makemsg(buff);
668    */
669  }
[be0a79f]670#endif
[31e48a3]671}
672
673void owl_zephyr_zlog_out(void)
674{
[be0a79f]675#ifdef HAVE_LIBZEPHYR
[31e48a3]676  int ret;
677
678  ZResetAuthentication();
679  ret=ZUnsetLocation();
680  if (ret != ZERR_NONE) {
681    /*
682      char buff[LINE];
683      sprintf(buff, "Error unsetting location: %s", error_message(ret));
684      owl_function_makemsg(buff);
685    */
686  }
[be0a79f]687#endif
[31e48a3]688}
689
[65ad073]690void owl_zephyr_addbuddy(char *name)
691{
692  char *filename;
693  FILE *file;
694 
695  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
696  file=fopen(filename, "a");
697  owl_free(filename);
698  if (!file) {
[ec6ff52]699    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]700    return;
701  }
702  fprintf(file, "%s\n", name);
703  fclose(file);
704}
705
706void owl_zephyr_delbuddy(char *name)
707{
708  char *filename;
709
710  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
711  owl_util_file_deleteline(filename, name, 0);
712  owl_free(filename);
713}
[9381782]714
715/* return auth string */
[09489b89]716#ifdef HAVE_LIBZEPHYR
[9381782]717char *owl_zephyr_get_authstr(ZNotice_t *n)
718{
719
720  if (!n) return("UNKNOWN");
721
722  if (n->z_auth == ZAUTH_FAILED) {
723    return ("FAILED");
724  } else if (n->z_auth == ZAUTH_NO) {
725    return ("NO");
726  } else if (n->z_auth == ZAUTH_YES) {
727    return ("YES");
728  } else {
729    return ("UNKNOWN");
730  }           
731}
[09489b89]732#else
733char *owl_zephyr_get_authstr(void *n)
734{
735  return("");
736}
737#endif
[9381782]738
[09489b89]739/* returns a buffer of subscriptions or an error message.
740 * Caller must free the return.
741 */
742char *owl_zephyr_getsubs()
743{
744#ifdef HAVE_LIBZEPHYR
745  int ret, num, i, one;
746  ZSubscription_t sub;
747  char *out, *tmpbuff;
748  one=1;
749
750  ret=ZRetrieveSubscriptions(0, &num);
751  if (ret==ZERR_TOOMANYSUBS) {
752    out=owl_strdup("Zephyr: too many subscriptions\n");
753    return(out);
754  }
755
756  out=owl_malloc(num*500);
757  tmpbuff=owl_malloc(num*500);
758  strcpy(out, "");
759  for (i=0; i<num; i++) {
760    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
761      owl_free(out);
762      owl_free(tmpbuff);
763      ZFlushSubscriptions();
764      out=owl_strdup("Error while getting subscriptions\n");
765      return(out);
766    } else {
[03955f3]767      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
[09489b89]768      strcpy(out, tmpbuff);
769    }
770  }
771
772  owl_free(tmpbuff);
773  ZFlushSubscriptions();
774  return(out);
775#else
[12c35df]776  return(owl_strdup("Zephyr not available"));
[09489b89]777#endif
778}
779
780char *owl_zephyr_get_variable(char *var)
781{
782#ifdef HAVE_LIBZEPHYR
783  return(ZGetVariable(var));
784#else
785  return("");
786#endif
787}
788
789void owl_zephyr_set_locationinfo(char *host, char *val)
790{
791#ifdef HAVE_LIBZEPHYR
792  ZInitLocationInfo(host, val);
793#endif
794}
795 
[e3d9c77]796
797
798/* Strip a local realm fron the zephyr user name.
799 * The caller must free the return
800 */
801char *short_zuser(char *in)
802{
803  char *out, *ptr;
804
805  out=owl_strdup(in);
806  ptr=strchr(out, '@');
807  if (ptr) {
808    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
809      *ptr='\0';
810    }
811  }
812  return(out);
813}
814
815/* Append a local realm to the zephyr user name if necessary.
816 * The caller must free the return.
817 */
818char *long_zuser(char *in)
819{
820  char *ptr;
821
822  if (NULL != (ptr=strchr(in, '@'))) {
823    return owl_strdup(in);
824  } else {
825    return owl_sprintf("%s@%s", in, owl_zephyr_get_realm());
826  }
827}
828
829
830/* strip out the instance from a zsender's principal.  Preserves the
831 * realm if present.  daemon.webzephyr is a special case.  The
832 * caller must free the return
833 */
834char *owl_zephyr_smartstripped_user(char *in)
835{
836  char *ptr, *realm, *out;
837
838  out=owl_strdup(in);
839
840  /* bail immeaditly if we don't have to do any work */
841  ptr=strchr(in, '.');
842  if (!strchr(in, '/') && !ptr) {
843    /* no '/' and no '.' */
844    return(out);
845  }
846  if (ptr && strchr(in, '@') && (ptr > strchr(in, '@'))) {
847    /* There's a '.' but it's in the realm */
848    return(out);
849  }
850  if (!strncasecmp(in, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
851    return(out);
852  }
853
854  /* remove the realm from ptr, but hold on to it */
855  realm=strchr(out, '@');
856  if (realm) realm[0]='\0';
857
858  /* strip */
859  ptr=strchr(out, '.');
860  if (!ptr) ptr=strchr(out, '/');
861  ptr[0]='\0';
862
863  /* reattach the realm if we had one */
864  if (realm) {
865    strcat(out, "@");
866    strcat(out, realm+1);
867  }
868
869  return(out);
870}
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