source: zephyr.c @ 8298425

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 8298425 was fe67f1f, checked in by James M. Kretchmar <kretch@mit.edu>, 17 years ago
Do OLC formatting for anything coming from olc.matisse Improvements to popup size algorithm (from gildea)
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File size: 21.7 KB
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[7d4fbcd]1#include <stdlib.h>
2#include <unistd.h>
3#include <sys/types.h>
4#include <sys/wait.h>
[4357be8]5#include <sys/stat.h>
[7d4fbcd]6#include <string.h>
7#include "owl.h"
8
[1aee7d9]9static const char fileIdent[] = "$Id$";
10
[09489b89]11#ifdef HAVE_LIBZEPHYR
[8262340]12Code_t ZResetAuthentication();
[09489b89]13#endif
[8262340]14
[be0a79f]15int owl_zephyr_initialize()
16{
[09489b89]17#ifdef HAVE_LIBZEPHYR
[be0a79f]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  }
[09489b89]28#endif
29  return(0);
30}
31
32
33int owl_zephyr_shutdown()
34{
35#ifdef HAVE_LIBZEPHYR
36  unsuball();
37  ZClosePort();
38#endif
[be0a79f]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
[09489b89]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
[2de4f20]69/* return 0  on success
70 *        -1 on file error
71 *        -2 on subscription error
72 */
[31e48a3]73int owl_zephyr_loadsubs(char *filename)
74{
[be0a79f]75#ifdef HAVE_LIBZEPHYR
[7d4fbcd]76  FILE *file;
77  char *tmp, *start;
78  char buffer[1024], subsfile[1024];
79  ZSubscription_t subs[3001];
80  int count, ret, i;
[4357be8]81  struct stat statbuff;
[7d4fbcd]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
[4357be8]89  ret=stat(subsfile, &statbuff);
90  if (ret) return(0);
91
92  ret=0;
93
[8262340]94  ZResetAuthentication();
[7d4fbcd]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
[4357be8]131  /* sub without defaults */
132  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
[252a5c2]133    owl_function_error("Error subscribing to zephyr notifications.");
[7d4fbcd]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);
[be0a79f]145#else
146  return(0);
147#endif
[7d4fbcd]148}
149
[4357be8]150int owl_zephyr_loaddefaultsubs()
151{
[40d834a]152#ifdef HAVE_LIBZEPHYR
[4357be8]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);
[40d834a]160#else
161  return(0);
162#endif
[4357be8]163}
164
[31e48a3]165int owl_zephyr_loadloginsubs(char *filename)
166{
[be0a79f]167#ifdef HAVE_LIBZEPHYR
[7d4fbcd]168  FILE *file;
169  ZSubscription_t subs[3001];
170  char subsfile[1024], buffer[1024];
171  int count, ret, i;
[4357be8]172  struct stat statbuff;
[7d4fbcd]173
174  if (filename==NULL) {
175    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
176  } else {
177    strcpy(subsfile, filename);
178  }
[4357be8]179 
180  ret=stat(subsfile, &statbuff);
181  if (ret) return(0);
182
183  ret=0;
[7d4fbcd]184
[8262340]185  ZResetAuthentication();
[7d4fbcd]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 {
[1c6c4d3]201        subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
[7d4fbcd]202      }
203
204      count++;
205    }
206    fclose(file);
207  } else {
208    count=0;
209    ret=-1;
210  }
211
212  /* sub with defaults */
[7933748]213  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
[252a5c2]214    owl_function_error("Error subscribing to zephyr notifications.");
[7d4fbcd]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);
[be0a79f]224#else
225  return(0);
226#endif
[7d4fbcd]227}
228
[31e48a3]229void unsuball()
230{
[be0a79f]231#if HAVE_LIBZEPHYR
[7d4fbcd]232  int ret;
[8262340]233
234  ZResetAuthentication();
[7d4fbcd]235  ret=ZCancelSubscriptions(0);
236  if (ret != ZERR_NONE) {
237    com_err("owl",ret,"while unsubscribing");
238  }
[be0a79f]239#endif
[7d4fbcd]240}
241
[31e48a3]242int owl_zephyr_sub(char *class, char *inst, char *recip)
243{
[be0a79f]244#ifdef HAVE_LIBZEPHYR
[7d4fbcd]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
[8262340]251  ZResetAuthentication();
[7d4fbcd]252  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]253    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
254    return(-2);
[7d4fbcd]255  }
256  return(0);
[be0a79f]257#else
258  return(0);
259#endif
[7d4fbcd]260}
261
262
[31e48a3]263int owl_zephyr_unsub(char *class, char *inst, char *recip)
264{
[be0a79f]265#ifdef HAVE_LIBZEPHYR
[7d4fbcd]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
[8262340]272  ZResetAuthentication();
[7d4fbcd]273  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]274    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
275    return(-2);
[7d4fbcd]276  }
277  return(0);
[be0a79f]278#else
279  return(0);
280#endif
[7d4fbcd]281}
282
[b0430a6]283/* return a pointer to the data in the Jth field, (NULL terminated by
284 * definition).  Caller must free the return.
285 */
[be0a79f]286#ifdef HAVE_LIBZEPHYR
[b0430a6]287char *owl_zephyr_get_field(ZNotice_t *n, int j)
[31e48a3]288{
[7d4fbcd]289  int i, count, save;
[b0430a6]290  char *out;
[7d4fbcd]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 */
[b0430a6]298        return(owl_strdup(n->z_message+save));
[7d4fbcd]299      } else {
300        save=i+1;
301      }
302    }
303  }
[b0430a6]304  /* catch the last field, which might not be null terminated */
[7d4fbcd]305  if (count==j-1) {
[b0430a6]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);
[7d4fbcd]310  }
[b0430a6]311
312  return(owl_strdup(""));
[7d4fbcd]313}
[09489b89]314#else
[701a184]315char *owl_zephyr_get_field(void *n, int j)
[09489b89]316{
[b0430a6]317  return(owl_strdup(""));
[09489b89]318}
[be0a79f]319#endif
[7d4fbcd]320
[b0430a6]321
[be0a79f]322#ifdef HAVE_LIBZEPHYR
[31e48a3]323int owl_zephyr_get_num_fields(ZNotice_t *n)
324{
[7d4fbcd]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}
[09489b89]334#else
335int owl_zephyr_get_num_fields(void *n)
336{
337  return(0);
338}
[be0a79f]339#endif
[7d4fbcd]340
[be0a79f]341#ifdef HAVE_LIBZEPHYR
[bf73bdd]342/* return a pointer to the message, place the message length in k
343 * caller must free the return
344 */
[b0430a6]345char *owl_zephyr_get_message(ZNotice_t *n)
[31e48a3]346{
[405d5e6]347  /* don't let ping messages have a body */
[7d4fbcd]348  if (!strcasecmp(n->z_opcode, "ping")) {
[bf73bdd]349    return(owl_strdup(""));
[7d4fbcd]350  }
351
[405d5e6]352  /* deal with MIT Athena OLC messages */
[fe67f1f]353  if (!strcasecmp(n->z_sender, "olc.matisse@ATHENA.MIT.EDU")) {
[405d5e6]354    return(owl_zephyr_get_field(n, 1));
355  }
356
[b0430a6]357  return(owl_zephyr_get_field(n, 2));
[7d4fbcd]358}
[be0a79f]359#endif
[7d4fbcd]360
[be0a79f]361#ifdef HAVE_LIBZEPHYR
[31e48a3]362char *owl_zephyr_get_zsig(ZNotice_t *n, int *k)
363{
[7d4fbcd]364  /* return a pointer to the zsig if there is one */
365
[405d5e6]366  /* message length 0? No zsig */
[7d4fbcd]367  if (n->z_message_len==0) {
368    *k=0;
369    return("");
370  }
[405d5e6]371
372  /* No zsig for OLC messages */
[fe67f1f]373  if (!strcasecmp(n->z_sender, "olc.matisse@ATHENA.MIT.EDU")) {
[405d5e6]374    return("");
375  }
376
377  /* Everything else is field 1 */
[7d4fbcd]378  *k=strlen(n->z_message);
379  return(n->z_message);
380}
[09489b89]381#else
382char *owl_zephyr_get_zsig(void *n, int *k)
383{
384  return("");
385}
[be0a79f]386#endif
[7d4fbcd]387
[31e48a3]388int send_zephyr(char *opcode, char *zsig, char *class, char *instance, char *recipient, char *message)
389{
[be0a79f]390#ifdef HAVE_LIBZEPHYR
[7d4fbcd]391  int ret;
392  ZNotice_t notice;
393   
394  memset(&notice, 0, sizeof(notice));
395
[8262340]396  ZResetAuthentication();
[8ba37ec]397
398  if (!zsig) zsig="";
[8262340]399 
[7d4fbcd]400  notice.z_kind=ACKED;
401  notice.z_port=0;
402  notice.z_class=class;
403  notice.z_class_inst=instance;
404  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
405    notice.z_recipient="";
406  } else {
407    notice.z_recipient=recipient;
408  }
409  notice.z_default_format="Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2";
410  notice.z_sender=NULL;
411  if (opcode) notice.z_opcode=opcode;
412
[56330ff]413  notice.z_message_len=strlen(zsig)+1+strlen(message);
[7d4fbcd]414  notice.z_message=owl_malloc(notice.z_message_len+10);
[56330ff]415  strcpy(notice.z_message, zsig);
416  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]417
418  /* ret=ZSendNotice(&notice, ZAUTH); */
419  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
420 
421  /* free then check the return */
422  owl_free(notice.z_message);
423  ZFreeNotice(&notice);
424  if (ret!=ZERR_NONE) {
[ec6ff52]425    owl_function_error("Error sending zephyr");
[7d4fbcd]426    return(ret);
427  }
428  return(0);
[be0a79f]429#else
430  return(0);
431#endif
[7d4fbcd]432}
433
[be0a79f]434#ifdef HAVE_LIBZEPHYR
[31e48a3]435Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
436{
[7d4fbcd]437  return(ZSendPacket(buf, len, 0));
438}
[be0a79f]439#endif
[7d4fbcd]440
[31e48a3]441void send_ping(char *to)
442{
[be0a79f]443#ifdef HAVE_LIBZEPHYR
[7d4fbcd]444  send_zephyr("PING", "", "MESSAGE", "PERSONAL", to, "");
[be0a79f]445#endif
[7d4fbcd]446}
447
[be0a79f]448#ifdef HAVE_LIBZEPHYR
[31e48a3]449void owl_zephyr_handle_ack(ZNotice_t *retnotice)
450{
[7d4fbcd]451  char *tmp;
452 
453  /* if it's an HMACK ignore it */
454  if (retnotice->z_kind == HMACK) return;
[aecf3e6]455
[7d4fbcd]456  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]457    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]458  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]459    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]460  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
461    if (!strcasecmp(retnotice->z_opcode, "ping")) {
462      return;
463    } else if (!strcasecmp(retnotice->z_class, "message") &&
464               !strcasecmp(retnotice->z_class_inst, "personal")) {
[4b464a4]465      tmp=short_zuser(retnotice->z_recipient);
[b4db911]466      owl_function_makemsg("Message sent to %s.", tmp);
[7d4fbcd]467      free(tmp);
468    } else {
[b4db911]469      owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
[7d4fbcd]470    }
471  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
472    if (strcasecmp(retnotice->z_class, "message")) {
[9119a47]473      char buff[1024];
[269ed34]474      owl_function_error("No one subscribed to class class %s", retnotice->z_class);
475      sprintf(buff, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]476      owl_function_adminmsg("", buff);
[7d4fbcd]477    } else {
[9119a47]478      char buff[1024];
[4b464a4]479      tmp = short_zuser(retnotice->z_recipient);
[ec6ff52]480      owl_function_error("%s: Not logged in or subscribing to messages.", 
[1c6c4d3]481                           tmp);
[9119a47]482
483      sprintf(buff, "Could not send message to %s: not logged in or subscribing to messages.\n", tmp);
484      owl_function_adminmsg("", buff);
[2b86d14]485      if (owl_global_is_logging(&g)) owl_log_outgoing_zephyr_error(tmp, buff);
[1c6c4d3]486      owl_free(tmp);
[7d4fbcd]487    }
488  } else {
[ec6ff52]489    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]490  }
491}
[09489b89]492#else
493void owl_zephyr_handle_ack(void *retnotice)
494{
495}
[be0a79f]496#endif
[7d4fbcd]497
[be0a79f]498#ifdef HAVE_LIBZEPHYR
[31e48a3]499int owl_zephyr_notice_is_ack(ZNotice_t *n)
500{
[7d4fbcd]501  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
502    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
503    return(1);
504  }
505  return(0);
506}
[09489b89]507#else
508int owl_zephyr_notice_is_ack(void *n)
509{
510  return(0);
511}
[be0a79f]512#endif
[7d4fbcd]513 
[31e48a3]514void owl_zephyr_zaway(owl_message *m)
515{
[be0a79f]516#ifdef HAVE_LIBZEPHYR
[7c8060d0]517  char *tmpbuff, *myuser, *to;
[7d4fbcd]518 
[aa2f6364]519  /* bail if it doesn't look like a message we should reply to.  Some
[2de4f20]520   * of this defined by the way zaway(1) works
521   */
[7d4fbcd]522  if (strcasecmp(owl_message_get_class(m), "message")) return;
523  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
524  if (!strcasecmp(owl_message_get_sender(m), "")) return;
525  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
526  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]527  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]528  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
[9854278]529  if (owl_message_get_attribute_value(m, "isauto")) return;
[7d4fbcd]530
[7c8060d0]531  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]532    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]533  } else {
534    to=owl_strdup(owl_message_get_sender(m));
535  }
536
[7d4fbcd]537  send_zephyr("",
538              "Automated reply:",
539              owl_message_get_class(m),
540              owl_message_get_instance(m),
[7c8060d0]541              to,
[7d4fbcd]542              owl_global_get_zaway_msg(&g));
543
[7c8060d0]544  myuser=short_zuser(to);
[aa2f6364]545  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
546    tmpbuff = owl_sprintf("zwrite %s", myuser);
547  } else {
548    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
549  }
550  owl_free(myuser);
[7c8060d0]551  owl_free(to);
[aa2f6364]552
[7d4fbcd]553  /* display the message as an admin message in the receive window */
[d023c25]554  owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
[7d4fbcd]555  owl_free(tmpbuff);
[be0a79f]556#endif
[7d4fbcd]557}
558
[be0a79f]559#ifdef HAVE_LIBZEPHYR
[31e48a3]560void owl_zephyr_hackaway_cr(ZNotice_t *n)
561{
[7d4fbcd]562  /* replace \r's with ' '.  Gross-ish */
563  int i;
564
565  for (i=0; i<n->z_message_len; i++) {
566    if (n->z_message[i]=='\r') {
567      n->z_message[i]=' ';
568    }
569  }
570}
[be0a79f]571#endif
[7d4fbcd]572
[31e48a3]573void owl_zephyr_zlocate(char *user, char *out, int auth)
574{
[be0a79f]575#ifdef HAVE_LIBZEPHYR
[7d4fbcd]576  int ret, numlocs;
577  int one = 1;
578  ZLocations_t locations;
579  char *myuser;
580 
581  strcpy(out, "");
[8262340]582  ZResetAuthentication();
[7d4fbcd]583  ret=ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH);
584  if (ret != ZERR_NONE) {
[ec6ff52]585    owl_function_error("Error locating user %s", user);
[7d4fbcd]586  }
587
588  if (numlocs==0) {
[2527615]589    myuser=short_zuser(user);
590    sprintf(out, "%s: Hidden or not logged-in\n", myuser);
591    owl_free(myuser);
[7d4fbcd]592    return;
593  }
594   
595  for (;numlocs;numlocs--) {
596    ZGetLocations(&locations,&one);
[4b464a4]597    myuser=short_zuser(user);
[7d4fbcd]598    sprintf(out, "%s%s: %s\t%s\t%s\n", out, myuser, locations.host, locations.tty, locations.time);
599    owl_free(myuser);
600  }
[be0a79f]601#endif
[7d4fbcd]602}
[bde7714]603
[31e48a3]604void owl_zephyr_addsub(char *filename, char *class, char *inst, char *recip)
605{
[be0a79f]606#ifdef HAVE_LIBZEPHYR
[bde7714]607  char *line, subsfile[LINE], buff[LINE];
608  FILE *file;
609
610  line=owl_zephyr_makesubline(class, inst, recip);
611
612  if (filename==NULL) {
613    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
614  } else {
615    strcpy(subsfile, filename);
616  }
617
618  /* first check if it exists already */
619  file=fopen(subsfile, "r");
620  if (!file) {
[ec6ff52]621    owl_function_error("Error opening file %s", subsfile);
[bde7714]622    owl_free(line);
623    return;
624  }
625  while (fgets(buff, LINE, file)!=NULL) {
626    if (!strcasecmp(buff, line)) {
[ec6ff52]627      owl_function_error("Subscription already present in %s", subsfile);
[bde7714]628      owl_free(line);
629      return;
630    }
631  }
632
633  /* if we get here then we didn't find it */
634  fclose(file);
635  file=fopen(subsfile, "a");
636  if (!file) {
[ec6ff52]637    owl_function_error("Error opening file %s for writing", subsfile);
[bde7714]638    owl_free(line);
639    return;
640  }
641  fputs(line, file);
642  fclose(file);
643  owl_function_makemsg("Subscription added");
644 
645  owl_free(line);
[be0a79f]646#endif
[bde7714]647}
648
[31e48a3]649void owl_zephyr_delsub(char *filename, char *class, char *inst, char *recip)
650{
[be0a79f]651#ifdef HAVE_LIBZEPHYR
[b2a91b6]652  char *line, *subsfile;
[bde7714]653 
654  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]655  line[strlen(line)-1]='\0';
[bde7714]656
[b2a91b6]657  if (!filename) {
658    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
[bde7714]659  } else {
[b2a91b6]660    subsfile=owl_strdup(filename);
[bde7714]661  }
[b2a91b6]662 
663  owl_util_file_deleteline(subsfile, line, 1);
664  owl_free(subsfile);
[bde7714]665  owl_free(line);
666  owl_function_makemsg("Subscription removed");
[be0a79f]667#endif
[bde7714]668}
669
[b2a91b6]670/* caller must free the return */
[31e48a3]671char *owl_zephyr_makesubline(char *class, char *inst, char *recip)
672{
[bde7714]673  char *out;
674
675  out=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+30);
676  sprintf(out, "%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
677  return(out);
678}
[31e48a3]679
680
681void owl_zephyr_zlog_in(void)
682{
[be0a79f]683#ifdef HAVE_LIBZEPHYR
[31e48a3]684  char *exposure, *eset;
685  int ret;
686
687  ZResetAuthentication();
688   
689  eset=EXPOSE_REALMVIS;
690  exposure=ZGetVariable("exposure");
691  if (exposure==NULL) {
692    eset=EXPOSE_REALMVIS;
693  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
694    eset = EXPOSE_NONE;
695  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
696    eset = EXPOSE_OPSTAFF;
697  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
698    eset = EXPOSE_REALMVIS;
699  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
700    eset = EXPOSE_REALMANN;
701  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
702    eset = EXPOSE_NETVIS;
703  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
704    eset = EXPOSE_NETANN;
705  }
706   
707  ret=ZSetLocation(eset);
708  if (ret != ZERR_NONE) {
709    /*
710      char buff[LINE];
711      sprintf(buff, "Error setting location: %s", error_message(ret));
712      owl_function_makemsg(buff);
713    */
714  }
[be0a79f]715#endif
[31e48a3]716}
717
718void owl_zephyr_zlog_out(void)
719{
[be0a79f]720#ifdef HAVE_LIBZEPHYR
[31e48a3]721  int ret;
722
723  ZResetAuthentication();
724  ret=ZUnsetLocation();
725  if (ret != ZERR_NONE) {
726    /*
727      char buff[LINE];
728      sprintf(buff, "Error unsetting location: %s", error_message(ret));
729      owl_function_makemsg(buff);
730    */
731  }
[be0a79f]732#endif
[31e48a3]733}
734
[65ad073]735void owl_zephyr_addbuddy(char *name)
736{
737  char *filename;
738  FILE *file;
739 
740  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
741  file=fopen(filename, "a");
742  owl_free(filename);
743  if (!file) {
[ec6ff52]744    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]745    return;
746  }
747  fprintf(file, "%s\n", name);
748  fclose(file);
749}
750
751void owl_zephyr_delbuddy(char *name)
752{
753  char *filename;
754
755  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
756  owl_util_file_deleteline(filename, name, 0);
757  owl_free(filename);
758}
[9381782]759
760/* return auth string */
[09489b89]761#ifdef HAVE_LIBZEPHYR
[9381782]762char *owl_zephyr_get_authstr(ZNotice_t *n)
763{
764
765  if (!n) return("UNKNOWN");
766
767  if (n->z_auth == ZAUTH_FAILED) {
768    return ("FAILED");
769  } else if (n->z_auth == ZAUTH_NO) {
770    return ("NO");
771  } else if (n->z_auth == ZAUTH_YES) {
772    return ("YES");
773  } else {
774    return ("UNKNOWN");
775  }           
776}
[09489b89]777#else
778char *owl_zephyr_get_authstr(void *n)
779{
780  return("");
781}
782#endif
[9381782]783
[2de4f20]784/* Returns a buffer of subscriptions or an error message.  Caller must
785 * free the return.
[09489b89]786 */
787char *owl_zephyr_getsubs()
788{
789#ifdef HAVE_LIBZEPHYR
790  int ret, num, i, one;
791  ZSubscription_t sub;
792  char *out, *tmpbuff;
793  one=1;
794
795  ret=ZRetrieveSubscriptions(0, &num);
796  if (ret==ZERR_TOOMANYSUBS) {
[c8735aa]797    return(owl_strdup("Zephyr: too many subscriptions\n"));
798  } else if (ret) {
799    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
[09489b89]800  }
801
802  out=owl_malloc(num*500);
803  tmpbuff=owl_malloc(num*500);
804  strcpy(out, "");
805  for (i=0; i<num; i++) {
806    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
807      owl_free(out);
808      owl_free(tmpbuff);
809      ZFlushSubscriptions();
810      out=owl_strdup("Error while getting subscriptions\n");
811      return(out);
812    } else {
[03955f3]813      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
[09489b89]814      strcpy(out, tmpbuff);
815    }
816  }
817
818  owl_free(tmpbuff);
819  ZFlushSubscriptions();
820  return(out);
821#else
[12c35df]822  return(owl_strdup("Zephyr not available"));
[09489b89]823#endif
824}
825
826char *owl_zephyr_get_variable(char *var)
827{
828#ifdef HAVE_LIBZEPHYR
829  return(ZGetVariable(var));
830#else
831  return("");
832#endif
833}
834
835void owl_zephyr_set_locationinfo(char *host, char *val)
836{
837#ifdef HAVE_LIBZEPHYR
838  ZInitLocationInfo(host, val);
839#endif
840}
841 
[e3d9c77]842/* Strip a local realm fron the zephyr user name.
843 * The caller must free the return
844 */
845char *short_zuser(char *in)
846{
847  char *out, *ptr;
848
849  out=owl_strdup(in);
850  ptr=strchr(out, '@');
851  if (ptr) {
852    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
853      *ptr='\0';
854    }
855  }
856  return(out);
857}
858
859/* Append a local realm to the zephyr user name if necessary.
860 * The caller must free the return.
861 */
862char *long_zuser(char *in)
863{
[1971b59]864  if (strchr(in, '@')) {
865    return(owl_strdup(in));
[e3d9c77]866  }
[1971b59]867  return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
[e3d9c77]868}
869
870/* strip out the instance from a zsender's principal.  Preserves the
871 * realm if present.  daemon.webzephyr is a special case.  The
872 * caller must free the return
873 */
874char *owl_zephyr_smartstripped_user(char *in)
875{
876  char *ptr, *realm, *out;
877
878  out=owl_strdup(in);
879
880  /* bail immeaditly if we don't have to do any work */
881  ptr=strchr(in, '.');
882  if (!strchr(in, '/') && !ptr) {
883    /* no '/' and no '.' */
884    return(out);
885  }
886  if (ptr && strchr(in, '@') && (ptr > strchr(in, '@'))) {
887    /* There's a '.' but it's in the realm */
888    return(out);
889  }
890  if (!strncasecmp(in, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
891    return(out);
892  }
893
894  /* remove the realm from ptr, but hold on to it */
895  realm=strchr(out, '@');
896  if (realm) realm[0]='\0';
897
898  /* strip */
899  ptr=strchr(out, '.');
900  if (!ptr) ptr=strchr(out, '/');
901  ptr[0]='\0';
902
903  /* reattach the realm if we had one */
904  if (realm) {
905    strcat(out, "@");
906    strcat(out, realm+1);
907  }
908
909  return(out);
910}
[5a95b69]911
912/* read the list of users in 'filename' as a .anyone file, and put the
913 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
914 * use the default .anyone file in the users home directory.  Returns
915 * -1 on failure, 0 on success.
916 */
917int owl_zephyr_get_anyone_list(owl_list *in, char *filename)
918{
919#ifdef HAVE_LIBZEPHYR
920  char *ourfile, *tmp, buff[LINE];
921  FILE *f;
922
923  if (filename==NULL) {
924    tmp=owl_global_get_homedir(&g);
925    ourfile=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
926  } else {
927    ourfile=owl_strdup(filename);
928  }
929 
930  f=fopen(ourfile, "r");
931  if (!f) {
932    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
933    owl_free(ourfile);
934    return(-1);
935  }
936
937  while (fgets(buff, LINE, f)!=NULL) {
938    /* ignore comments, blank lines etc. */
939    if (buff[0]=='#') continue;
940    if (buff[0]=='\n') continue;
941    if (buff[0]=='\0') continue;
942   
943    /* strip the \n */
944    buff[strlen(buff)-1]='\0';
945   
946    /* ingore from # on */
947    tmp=strchr(buff, '#');
948    if (tmp) tmp[0]='\0';
949   
950    /* ingore from SPC */
951    tmp=strchr(buff, ' ');
952    if (tmp) tmp[0]='\0';
953   
954    /* stick on the local realm. */
955    if (!strchr(buff, '@')) {
956      strcat(buff, "@");
957      strcat(buff, ZGetRealm());
958    }
959    owl_list_append_element(in, owl_strdup(buff));
960  }
961  fclose(f);
962  owl_free(ourfile);
963  return(0);
964#else
965  return(-1);
966#endif
967}
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