source: zephyr.c @ ff69c56

barnowl_perlaimdebianrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since ff69c56 was 99219ed, checked in by Alejandro R. Sedeño <asedeno@mit.edu>, 13 years ago
Merged revisions 924-927 via svnmerge from file:///afs/sipb.mit.edu/project/barnowl/src/svn/trunk ........ r926 | geofft | 2008-02-04 18:20:08 -0500 (Mon, 04 Feb 2008) | 2 lines Add the variable 'zsender' to customize the outgoing Zephyr username. ........ r927 | asedeno | 2008-02-04 20:11:37 -0500 (Mon, 04 Feb 2008) | 1 line bufflen should be initialized on copy. ........
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File size: 26.9 KB
RevLine 
[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
[bfbf590]36  if(owl_global_is_havezephyr(&g)) {
37    unsuball();
38    ZClosePort();
39  }
[09489b89]40#endif
[be0a79f]41  return(0);
42}
43
44int owl_zephyr_zpending()
45{
46#ifdef HAVE_LIBZEPHYR
[bfbf590]47  if(owl_global_is_havezephyr(&g))
48    return(ZPending());
49  else
50    return 0;
[be0a79f]51#else
52  return(0);
53#endif
54}
55
[09489b89]56char *owl_zephyr_get_realm()
57{
58#ifdef HAVE_LIBZEPHYR
59  return(ZGetRealm());
60#else
61  return("");
62#endif
63}
64
65char *owl_zephyr_get_sender()
66{
67#ifdef HAVE_LIBZEPHYR
68  return(ZGetSender());
69#else
70  return("");
71#endif
72}
73
[f6050ee]74#ifdef HAVE_LIBZEPHYR
[93e883d]75int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
76{
77  int i, ret = 0;
78  /* sub without defaults */
79  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
80    owl_function_error("Error subscribing to zephyr notifications.");
81    ret=-2;
82  }
83
84  /* free stuff */
85  for (i=0; i<count; i++) {
86    owl_free(subs[i].zsub_class);
87    owl_free(subs[i].zsub_classinst);
88    owl_free(subs[i].zsub_recipient);
89  }
[bb2c60d]90
[93e883d]91  return ret;
92}
[f6050ee]93#endif
[93e883d]94
[95474d7]95/* Load zephyr subscriptions form 'filename'.  If 'filename' is NULL,
96 * the default file $HOME/.zephyr.subs will be used.
97 *
98 * Returns 0 on success.  If the file does not exist, return -1 if
99 * 'error_on_nofile' is 1, otherwise return 0.  Return -1 if the file
100 * exists but can not be read.  Return -2 if there is a failure from
101 * zephyr to load the subscriptions.
[2de4f20]102 */
[95474d7]103int owl_zephyr_loadsubs(char *filename, int error_on_nofile)
[31e48a3]104{
[be0a79f]105#ifdef HAVE_LIBZEPHYR
[7d4fbcd]106  FILE *file;
107  char *tmp, *start;
108  char buffer[1024], subsfile[1024];
[bb2c60d]109  ZSubscription_t *subs;
110  int subSize = 1024;
[93e883d]111  int count, ret;
[4357be8]112  struct stat statbuff;
[7d4fbcd]113
[bb2c60d]114  subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
[7d4fbcd]115  if (filename==NULL) {
116    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
117  } else {
118    strcpy(subsfile, filename);
119  }
[8262340]120
[4357be8]121  ret=stat(subsfile, &statbuff);
[95474d7]122  if (ret) {
123    if (error_on_nofile==1) return(-1);
124    return(0);
125  }
[4357be8]126
[8262340]127  ZResetAuthentication();
[7d4fbcd]128  count=0;
129  file=fopen(subsfile, "r");
[95474d7]130  if (!file) return(-1);
131  while ( fgets(buffer, 1024, file)!=NULL ) {
132    if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
133   
134    if (buffer[0]=='-') {
135      start=buffer+1;
136    } else {
137      start=buffer;
[7d4fbcd]138    }
[95474d7]139   
[bb2c60d]140    if (count >= subSize) {
141      ZSubscription_t* newsubs;
142      newsubs = owl_realloc(subs, sizeof(ZSubscription_t) * subSize * 2);
143      if (NULL == newsubs) {
144        /* If realloc fails, load what we've got, clear, and continue */
145        ret = owl_zephyr_loadsubs_helper(subs, count);
146        if (ret != 0) {
147          fclose(file);
148          return(ret);
149        }
150        count=0;
151      }
152      else {
153        subs = newsubs;
154        subSize *= 2;
[93e883d]155      }
156    }
[95474d7]157   
158    /* add it to the list of subs */
159    if ((tmp=(char *) strtok(start, ",\n\r"))==NULL) continue;
160    subs[count].zsub_class=owl_strdup(tmp);
161    if ((tmp=(char *) strtok(NULL, ",\n\r"))==NULL) continue;
162    subs[count].zsub_classinst=owl_strdup(tmp);
163    if ((tmp=(char *) strtok(NULL, " \t\n\r"))==NULL) continue;
164    subs[count].zsub_recipient=owl_strdup(tmp);
165   
[bb2c60d]166    /* if it started with '-' then add it to the global punt list, and
167     * remove it from the list of subs. */
[95474d7]168    if (buffer[0]=='-') {
169      owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
[bb2c60d]170      owl_free(subs[count].zsub_class);
171      owl_free(subs[count].zsub_classinst);
172      owl_free(subs[count].zsub_recipient);
173    }
174    else {
175      count++;
[95474d7]176    }
[7d4fbcd]177  }
[95474d7]178  fclose(file);
[7d4fbcd]179
[93e883d]180  ret=owl_zephyr_loadsubs_helper(subs, count);
[bb2c60d]181  owl_free(subs);
[7d4fbcd]182  return(ret);
[be0a79f]183#else
184  return(0);
185#endif
[7d4fbcd]186}
187
[4357be8]188int owl_zephyr_loaddefaultsubs()
189{
[40d834a]190#ifdef HAVE_LIBZEPHYR
[4357be8]191  ZSubscription_t subs[10];
192   
193  if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
194    owl_function_error("Error subscribing to default zephyr notifications.");
195    return(-1);
196  }
197  return(0);
[40d834a]198#else
199  return(0);
200#endif
[4357be8]201}
202
[31e48a3]203int owl_zephyr_loadloginsubs(char *filename)
204{
[be0a79f]205#ifdef HAVE_LIBZEPHYR
[7d4fbcd]206  FILE *file;
207  ZSubscription_t subs[3001];
208  char subsfile[1024], buffer[1024];
209  int count, ret, i;
[4357be8]210  struct stat statbuff;
[7d4fbcd]211
212  if (filename==NULL) {
213    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
214  } else {
215    strcpy(subsfile, filename);
216  }
[4357be8]217 
218  ret=stat(subsfile, &statbuff);
219  if (ret) return(0);
220
221  ret=0;
[7d4fbcd]222
[8262340]223  ZResetAuthentication();
[7d4fbcd]224  /* need to redo this to do chunks, not just bag out after 3000 */
225  count=0;
226  file=fopen(subsfile, "r");
227  if (file) {
228    while ( fgets(buffer, 1024, file)!=NULL ) {
229      if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
230     
231      if (count >= 3000) break; /* also tell the user */
232
233      buffer[strlen(buffer)-1]='\0';
234      subs[count].zsub_class="login";
235      subs[count].zsub_recipient="*";
236      if (strchr(buffer, '@')) {
237        subs[count].zsub_classinst=owl_strdup(buffer);
238      } else {
[1c6c4d3]239        subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
[7d4fbcd]240      }
241
242      count++;
243    }
244    fclose(file);
245  } else {
246    count=0;
247    ret=-1;
248  }
249
250  /* sub with defaults */
[7933748]251  if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
[252a5c2]252    owl_function_error("Error subscribing to zephyr notifications.");
[7d4fbcd]253    ret=-2;
254  }
255
256  /* free stuff */
257  for (i=0; i<count; i++) {
258    owl_free(subs[i].zsub_classinst);
259  }
260
261  return(ret);
[be0a79f]262#else
263  return(0);
264#endif
[7d4fbcd]265}
266
[31e48a3]267void unsuball()
268{
[be0a79f]269#if HAVE_LIBZEPHYR
[7d4fbcd]270  int ret;
[8262340]271
272  ZResetAuthentication();
[7d4fbcd]273  ret=ZCancelSubscriptions(0);
274  if (ret != ZERR_NONE) {
275    com_err("owl",ret,"while unsubscribing");
276  }
[be0a79f]277#endif
[7d4fbcd]278}
279
[31e48a3]280int owl_zephyr_sub(char *class, char *inst, char *recip)
281{
[be0a79f]282#ifdef HAVE_LIBZEPHYR
[7d4fbcd]283  ZSubscription_t subs[5];
284
285  subs[0].zsub_class=class;
286  subs[0].zsub_classinst=inst;
287  subs[0].zsub_recipient=recip;
288
[8262340]289  ZResetAuthentication();
[7d4fbcd]290  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]291    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
292    return(-2);
[7d4fbcd]293  }
294  return(0);
[be0a79f]295#else
296  return(0);
297#endif
[7d4fbcd]298}
299
300
[31e48a3]301int owl_zephyr_unsub(char *class, char *inst, char *recip)
302{
[be0a79f]303#ifdef HAVE_LIBZEPHYR
[7d4fbcd]304  ZSubscription_t subs[5];
305
306  subs[0].zsub_class=class;
307  subs[0].zsub_classinst=inst;
308  subs[0].zsub_recipient=recip;
309
[8262340]310  ZResetAuthentication();
[7d4fbcd]311  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]312    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
313    return(-2);
[7d4fbcd]314  }
315  return(0);
[be0a79f]316#else
317  return(0);
318#endif
[7d4fbcd]319}
320
[b0430a6]321/* return a pointer to the data in the Jth field, (NULL terminated by
322 * definition).  Caller must free the return.
323 */
[be0a79f]324#ifdef HAVE_LIBZEPHYR
[b0430a6]325char *owl_zephyr_get_field(ZNotice_t *n, int j)
[31e48a3]326{
[7d4fbcd]327  int i, count, save;
[b0430a6]328  char *out;
[7d4fbcd]329
[128171a]330  /* If there's no message here, just run along now */
331  if (n->z_message_len == 0)
332    return(owl_strdup(""));
333
[7d4fbcd]334  count=save=0;
335  for (i=0; i<n->z_message_len; i++) {
336    if (n->z_message[i]=='\0') {
337      count++;
338      if (count==j) {
339        /* just found the end of the field we're looking for */
[b0430a6]340        return(owl_strdup(n->z_message+save));
[7d4fbcd]341      } else {
342        save=i+1;
343      }
344    }
345  }
[b0430a6]346  /* catch the last field, which might not be null terminated */
[7d4fbcd]347  if (count==j-1) {
[b0430a6]348    out=owl_malloc(n->z_message_len-save+5);
349    memcpy(out, n->z_message+save, n->z_message_len-save);
350    out[n->z_message_len-save]='\0';
351    return(out);
[7d4fbcd]352  }
[b0430a6]353
354  return(owl_strdup(""));
[7d4fbcd]355}
[5376a95]356
357char *owl_zephyr_get_field_as_utf8(ZNotice_t *n, int j)
358{
359  int i, count, save;
360
361  /* If there's no message here, just run along now */
362  if (n->z_message_len == 0)
363    return(owl_strdup(""));
364
365  count=save=0;
366  for (i = 0; i < n->z_message_len; i++) {
367    if (n->z_message[i]=='\0') {
368      count++;
369      if (count == j) {
370        /* just found the end of the field we're looking for */
[6201646]371        return(owl_validate_or_convert(n->z_message + save));
[5376a95]372      } else {
373        save = i + 1;
374      }
375    }
376  }
377  /* catch the last field, which might not be null terminated */
378  if (count == j - 1) {
[6201646]379    char *tmp, *out;
380    tmp = owl_malloc(n->z_message_len-save+5);
381    memcpy(tmp, n->z_message+save, n->z_message_len-save);
382    tmp[n->z_message_len-save]='\0';
383    out = owl_validate_or_convert(tmp);
384    owl_free(tmp);
385    return out;
[5376a95]386  }
387
388  return(owl_strdup(""));
389}
[09489b89]390#else
[701a184]391char *owl_zephyr_get_field(void *n, int j)
[09489b89]392{
[b0430a6]393  return(owl_strdup(""));
[09489b89]394}
[5376a95]395char *owl_zephyr_get_field_as_utf8(ZNotice_t *n, int j)
396{
397  return owl_zephyr_get_field(n, j);
398}
[be0a79f]399#endif
[7d4fbcd]400
[b0430a6]401
[be0a79f]402#ifdef HAVE_LIBZEPHYR
[31e48a3]403int owl_zephyr_get_num_fields(ZNotice_t *n)
404{
[7d4fbcd]405  int i, fields;
406
[50e29e3]407  if(n->z_message_len == 0)
408    return 0;
409
[7d4fbcd]410  fields=1;
411  for (i=0; i<n->z_message_len; i++) {
412    if (n->z_message[i]=='\0') fields++;
413  }
414 
415  return(fields);
416}
[09489b89]417#else
418int owl_zephyr_get_num_fields(void *n)
419{
420  return(0);
421}
[be0a79f]422#endif
[7d4fbcd]423
[be0a79f]424#ifdef HAVE_LIBZEPHYR
[bf73bdd]425/* return a pointer to the message, place the message length in k
426 * caller must free the return
427 */
[85d1795]428char *owl_zephyr_get_message(ZNotice_t *n, owl_message *m)
[31e48a3]429{
[405d5e6]430  /* don't let ping messages have a body */
[7d4fbcd]431  if (!strcasecmp(n->z_opcode, "ping")) {
[bf73bdd]432    return(owl_strdup(""));
[7d4fbcd]433  }
434
[a1bb198]435  /* deal with MIT NOC messages */
[85d1795]436  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")) {
437    char *msg, *field3, *field4;
[a1bb198]438
439    field3 = owl_zephyr_get_field(n, 3);
440    field4 = owl_zephyr_get_field(n, 4);
441
[85d1795]442    msg = owl_sprintf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
[272a4a0]443    owl_free(field3);
444    owl_free(field4);
[a1bb198]445    if (msg) {
446      return msg;
447    }
448  }
[fba0f96]449  /* deal with MIT Discuss messages */
[85d1795]450  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4")) {
[fba0f96]451    char *msg, *field1, *field2, *field3, *field4, *field5;
452   
453    field1 = owl_zephyr_get_field(n, 1);
454    field2 = owl_zephyr_get_field(n, 2);
455    field3 = owl_zephyr_get_field(n, 3);
456    field4 = owl_zephyr_get_field(n, 4);
457    field5 = owl_zephyr_get_field(n, 5);
458   
459    msg = owl_sprintf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
460    owl_free(field1);
461    owl_free(field2);
462    owl_free(field3);
463    owl_free(field4);
464    owl_free(field5);
465    if (msg) {
466      return msg;
467    }
468  }
[85d1795]469  /* deal with MIT Moira messages */
470  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
471    char *msg, *field1;
472   
473    field1 = owl_zephyr_get_field(n, 1);
474   
475    msg = owl_sprintf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
476    owl_free(field1);
477    if (msg) {
478      return msg;
479    }
480  }
[405d5e6]481
[85d1795]482  if (owl_zephyr_get_num_fields(n) == 1) {
483    return(owl_zephyr_get_field(n, 1));
484  }
485  else {
486    return(owl_zephyr_get_field(n, 2));
487  }
[7d4fbcd]488}
[be0a79f]489#endif
[7d4fbcd]490
[be0a79f]491#ifdef HAVE_LIBZEPHYR
[31e48a3]492char *owl_zephyr_get_zsig(ZNotice_t *n, int *k)
493{
[7d4fbcd]494  /* return a pointer to the zsig if there is one */
495
[405d5e6]496  /* message length 0? No zsig */
[7d4fbcd]497  if (n->z_message_len==0) {
498    *k=0;
499    return("");
500  }
[405d5e6]501
[85d1795]502  /* If there's only one field, no zsig */
503  if (owl_zephyr_get_num_fields(n) == 1) {
504    *k=0;
[405d5e6]505    return("");
506  }
507
508  /* Everything else is field 1 */
[7d4fbcd]509  *k=strlen(n->z_message);
510  return(n->z_message);
511}
[09489b89]512#else
513char *owl_zephyr_get_zsig(void *n, int *k)
514{
515  return("");
516}
[be0a79f]517#endif
[7d4fbcd]518
[31e48a3]519int send_zephyr(char *opcode, char *zsig, char *class, char *instance, char *recipient, char *message)
520{
[be0a79f]521#ifdef HAVE_LIBZEPHYR
[7d4fbcd]522  int ret;
523  ZNotice_t notice;
524   
525  memset(&notice, 0, sizeof(notice));
526
[8262340]527  ZResetAuthentication();
[8ba37ec]528
529  if (!zsig) zsig="";
[8262340]530 
[7d4fbcd]531  notice.z_kind=ACKED;
532  notice.z_port=0;
533  notice.z_class=class;
534  notice.z_class_inst=instance;
535  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
536    notice.z_recipient="";
537  } else {
538    notice.z_recipient=recipient;
539  }
540  notice.z_default_format="Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2";
[247cbc9]541  if (*owl_global_get_zsender(&g))
542      notice.z_sender=owl_global_get_zsender(&g);
543  else
544      notice.z_sender=NULL;
[7d4fbcd]545  if (opcode) notice.z_opcode=opcode;
546
[56330ff]547  notice.z_message_len=strlen(zsig)+1+strlen(message);
[7d4fbcd]548  notice.z_message=owl_malloc(notice.z_message_len+10);
[56330ff]549  strcpy(notice.z_message, zsig);
550  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]551
552  /* ret=ZSendNotice(&notice, ZAUTH); */
553  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
554 
555  /* free then check the return */
556  owl_free(notice.z_message);
557  ZFreeNotice(&notice);
558  if (ret!=ZERR_NONE) {
[ec6ff52]559    owl_function_error("Error sending zephyr");
[7d4fbcd]560    return(ret);
561  }
562  return(0);
[be0a79f]563#else
564  return(0);
565#endif
[7d4fbcd]566}
567
[be0a79f]568#ifdef HAVE_LIBZEPHYR
[31e48a3]569Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
570{
[7d4fbcd]571  return(ZSendPacket(buf, len, 0));
572}
[be0a79f]573#endif
[7d4fbcd]574
[31e48a3]575void send_ping(char *to)
576{
[be0a79f]577#ifdef HAVE_LIBZEPHYR
[7d4fbcd]578  send_zephyr("PING", "", "MESSAGE", "PERSONAL", to, "");
[be0a79f]579#endif
[7d4fbcd]580}
581
[be0a79f]582#ifdef HAVE_LIBZEPHYR
[31e48a3]583void owl_zephyr_handle_ack(ZNotice_t *retnotice)
584{
[7d4fbcd]585  char *tmp;
586 
587  /* if it's an HMACK ignore it */
588  if (retnotice->z_kind == HMACK) return;
[aecf3e6]589
[7d4fbcd]590  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]591    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]592  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]593    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]594  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
595    if (!strcasecmp(retnotice->z_opcode, "ping")) {
596      return;
597    } else if (!strcasecmp(retnotice->z_class, "message") &&
598               !strcasecmp(retnotice->z_class_inst, "personal")) {
[4b464a4]599      tmp=short_zuser(retnotice->z_recipient);
[b4db911]600      owl_function_makemsg("Message sent to %s.", tmp);
[7d4fbcd]601      free(tmp);
602    } else {
[b4db911]603      owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
[7d4fbcd]604    }
605  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
[1151f0b]606    #define BUFFLEN 1024
[44f32fb]607    if (retnotice->z_recipient == NULL
[60c2e1e]608        || *retnotice->z_recipient == 0
[44f32fb]609        || *retnotice->z_recipient == '@') {
[1151f0b]610      char buff[BUFFLEN];
[44f32fb]611      owl_function_error("No one subscribed to class %s", retnotice->z_class);
[1151f0b]612      snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]613      owl_function_adminmsg("", buff);
[7d4fbcd]614    } else {
[1151f0b]615      char buff[BUFFLEN];
[4b464a4]616      tmp = short_zuser(retnotice->z_recipient);
[44f32fb]617      owl_function_error("%s: Not logged in or subscribing.", tmp);
618      if(strcmp(retnotice->z_class, "message")) {
[1151f0b]619        snprintf(buff, BUFFLEN,
[10e3963]620                 "Could not send message to %s: "
621                 "not logged in or subscribing to class %s, instance %s.\n", 
622                 tmp,
[1151f0b]623                 retnotice->z_class,
624                 retnotice->z_class_inst);
[44f32fb]625      } else {
[1151f0b]626        snprintf(buff, BUFFLEN,
[10e3963]627                 "Could not send message to %s: "
628                 "not logged in or subscribing to messages.\n",
629                 tmp);
[44f32fb]630      }
[9119a47]631      owl_function_adminmsg("", buff);
[180cd15]632      owl_log_outgoing_zephyr_error(tmp, buff);
[1c6c4d3]633      owl_free(tmp);
[7d4fbcd]634    }
635  } else {
[ec6ff52]636    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]637  }
638}
[09489b89]639#else
640void owl_zephyr_handle_ack(void *retnotice)
641{
642}
[be0a79f]643#endif
[7d4fbcd]644
[be0a79f]645#ifdef HAVE_LIBZEPHYR
[31e48a3]646int owl_zephyr_notice_is_ack(ZNotice_t *n)
647{
[7d4fbcd]648  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
649    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
650    return(1);
651  }
652  return(0);
653}
[09489b89]654#else
655int owl_zephyr_notice_is_ack(void *n)
656{
657  return(0);
658}
[be0a79f]659#endif
[7d4fbcd]660 
[31e48a3]661void owl_zephyr_zaway(owl_message *m)
662{
[be0a79f]663#ifdef HAVE_LIBZEPHYR
[7c8060d0]664  char *tmpbuff, *myuser, *to;
[15b34fd]665  owl_message *mout;
[7d4fbcd]666 
[aa2f6364]667  /* bail if it doesn't look like a message we should reply to.  Some
[2de4f20]668   * of this defined by the way zaway(1) works
669   */
[7d4fbcd]670  if (strcasecmp(owl_message_get_class(m), "message")) return;
671  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
672  if (!strcasecmp(owl_message_get_sender(m), "")) return;
673  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
674  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]675  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]676  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
[9854278]677  if (owl_message_get_attribute_value(m, "isauto")) return;
[7d4fbcd]678
[7c8060d0]679  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]680    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]681  } else {
682    to=owl_strdup(owl_message_get_sender(m));
683  }
684
[7d4fbcd]685  send_zephyr("",
686              "Automated reply:",
687              owl_message_get_class(m),
688              owl_message_get_instance(m),
[7c8060d0]689              to,
[7d4fbcd]690              owl_global_get_zaway_msg(&g));
691
[7c8060d0]692  myuser=short_zuser(to);
[aa2f6364]693  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
694    tmpbuff = owl_sprintf("zwrite %s", myuser);
695  } else {
696    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
697  }
698  owl_free(myuser);
[7c8060d0]699  owl_free(to);
[aa2f6364]700
[7d4fbcd]701  /* display the message as an admin message in the receive window */
[15b34fd]702  mout=owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
[13a3c1db]703  owl_global_messagequeue_addmsg(&g, mout);
[7d4fbcd]704  owl_free(tmpbuff);
[be0a79f]705#endif
[7d4fbcd]706}
707
[be0a79f]708#ifdef HAVE_LIBZEPHYR
[31e48a3]709void owl_zephyr_hackaway_cr(ZNotice_t *n)
710{
[7d4fbcd]711  /* replace \r's with ' '.  Gross-ish */
712  int i;
713
714  for (i=0; i<n->z_message_len; i++) {
715    if (n->z_message[i]=='\r') {
716      n->z_message[i]=' ';
717    }
718  }
719}
[be0a79f]720#endif
[7d4fbcd]721
[31e48a3]722void owl_zephyr_zlocate(char *user, char *out, int auth)
723{
[be0a79f]724#ifdef HAVE_LIBZEPHYR
[7d4fbcd]725  int ret, numlocs;
726  int one = 1;
727  ZLocations_t locations;
728  char *myuser;
729 
730  strcpy(out, "");
[8262340]731  ZResetAuthentication();
[7d4fbcd]732  ret=ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH);
733  if (ret != ZERR_NONE) {
[667a1b6]734    sprintf(out, "Error locating user %s\n", user);
735    return;
[7d4fbcd]736  }
737
738  if (numlocs==0) {
[2527615]739    myuser=short_zuser(user);
740    sprintf(out, "%s: Hidden or not logged-in\n", myuser);
741    owl_free(myuser);
[7d4fbcd]742    return;
743  }
744   
745  for (;numlocs;numlocs--) {
746    ZGetLocations(&locations,&one);
[4b464a4]747    myuser=short_zuser(user);
[667a1b6]748    sprintf(out, "%s%s: %s\t%s\t%s\n", out, myuser,
749            locations.host ? locations.host : "?",
750            locations.tty ? locations.tty : "?",
751            locations.time ? locations.time : "?");
[7d4fbcd]752    owl_free(myuser);
753  }
[be0a79f]754#endif
[7d4fbcd]755}
[bde7714]756
[31e48a3]757void owl_zephyr_addsub(char *filename, char *class, char *inst, char *recip)
758{
[be0a79f]759#ifdef HAVE_LIBZEPHYR
[bde7714]760  char *line, subsfile[LINE], buff[LINE];
761  FILE *file;
762
763  line=owl_zephyr_makesubline(class, inst, recip);
764
765  if (filename==NULL) {
766    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
767  } else {
768    strcpy(subsfile, filename);
769  }
770
[74037d9]771  /* if the file already exists, check to see if the sub is already there */
[bde7714]772  file=fopen(subsfile, "r");
[74037d9]773  if (file) {
774    while (fgets(buff, LINE, file)!=NULL) {
775      if (!strcasecmp(buff, line)) {
776        owl_function_error("Subscription already present in %s", subsfile);
777        owl_free(line);
[e78397d]778        fclose(file);
[74037d9]779        return;
780      }
[bde7714]781    }
[99dabee]782    fclose(file);
[bde7714]783  }
784
785  /* if we get here then we didn't find it */
786  file=fopen(subsfile, "a");
787  if (!file) {
[ec6ff52]788    owl_function_error("Error opening file %s for writing", subsfile);
[bde7714]789    owl_free(line);
790    return;
791  }
792  fputs(line, file);
793  fclose(file);
794  owl_function_makemsg("Subscription added");
795 
796  owl_free(line);
[be0a79f]797#endif
[bde7714]798}
799
[31e48a3]800void owl_zephyr_delsub(char *filename, char *class, char *inst, char *recip)
801{
[be0a79f]802#ifdef HAVE_LIBZEPHYR
[b2a91b6]803  char *line, *subsfile;
[bde7714]804 
805  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]806  line[strlen(line)-1]='\0';
[bde7714]807
[b2a91b6]808  if (!filename) {
809    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
[bde7714]810  } else {
[b2a91b6]811    subsfile=owl_strdup(filename);
[bde7714]812  }
[b2a91b6]813 
814  owl_util_file_deleteline(subsfile, line, 1);
815  owl_free(subsfile);
[bde7714]816  owl_free(line);
817  owl_function_makemsg("Subscription removed");
[be0a79f]818#endif
[bde7714]819}
820
[b2a91b6]821/* caller must free the return */
[31e48a3]822char *owl_zephyr_makesubline(char *class, char *inst, char *recip)
823{
[bde7714]824  char *out;
825
826  out=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+30);
827  sprintf(out, "%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
828  return(out);
829}
[31e48a3]830
831
832void owl_zephyr_zlog_in(void)
833{
[be0a79f]834#ifdef HAVE_LIBZEPHYR
[31e48a3]835  char *exposure, *eset;
836  int ret;
837
838  ZResetAuthentication();
839   
840  eset=EXPOSE_REALMVIS;
841  exposure=ZGetVariable("exposure");
842  if (exposure==NULL) {
843    eset=EXPOSE_REALMVIS;
844  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
845    eset = EXPOSE_NONE;
846  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
847    eset = EXPOSE_OPSTAFF;
848  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
849    eset = EXPOSE_REALMVIS;
850  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
851    eset = EXPOSE_REALMANN;
852  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
853    eset = EXPOSE_NETVIS;
854  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
855    eset = EXPOSE_NETANN;
856  }
857   
858  ret=ZSetLocation(eset);
859  if (ret != ZERR_NONE) {
860    /*
861      char buff[LINE];
862      sprintf(buff, "Error setting location: %s", error_message(ret));
863      owl_function_makemsg(buff);
864    */
865  }
[be0a79f]866#endif
[31e48a3]867}
868
869void owl_zephyr_zlog_out(void)
870{
[be0a79f]871#ifdef HAVE_LIBZEPHYR
[31e48a3]872  int ret;
873
874  ZResetAuthentication();
875  ret=ZUnsetLocation();
876  if (ret != ZERR_NONE) {
877    /*
878      char buff[LINE];
879      sprintf(buff, "Error unsetting location: %s", error_message(ret));
880      owl_function_makemsg(buff);
881    */
882  }
[be0a79f]883#endif
[31e48a3]884}
885
[65ad073]886void owl_zephyr_addbuddy(char *name)
887{
888  char *filename;
889  FILE *file;
890 
891  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
892  file=fopen(filename, "a");
893  owl_free(filename);
894  if (!file) {
[ec6ff52]895    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]896    return;
897  }
898  fprintf(file, "%s\n", name);
899  fclose(file);
900}
901
902void owl_zephyr_delbuddy(char *name)
903{
904  char *filename;
905
906  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
907  owl_util_file_deleteline(filename, name, 0);
908  owl_free(filename);
909}
[9381782]910
911/* return auth string */
[09489b89]912#ifdef HAVE_LIBZEPHYR
[9381782]913char *owl_zephyr_get_authstr(ZNotice_t *n)
914{
915
916  if (!n) return("UNKNOWN");
917
918  if (n->z_auth == ZAUTH_FAILED) {
919    return ("FAILED");
920  } else if (n->z_auth == ZAUTH_NO) {
921    return ("NO");
922  } else if (n->z_auth == ZAUTH_YES) {
923    return ("YES");
924  } else {
925    return ("UNKNOWN");
926  }           
927}
[09489b89]928#else
929char *owl_zephyr_get_authstr(void *n)
930{
931  return("");
932}
933#endif
[9381782]934
[2de4f20]935/* Returns a buffer of subscriptions or an error message.  Caller must
936 * free the return.
[09489b89]937 */
938char *owl_zephyr_getsubs()
939{
940#ifdef HAVE_LIBZEPHYR
941  int ret, num, i, one;
942  ZSubscription_t sub;
943  char *out, *tmpbuff;
944  one=1;
945
946  ret=ZRetrieveSubscriptions(0, &num);
947  if (ret==ZERR_TOOMANYSUBS) {
[c8735aa]948    return(owl_strdup("Zephyr: too many subscriptions\n"));
949  } else if (ret) {
950    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
[09489b89]951  }
952
953  out=owl_malloc(num*500);
954  tmpbuff=owl_malloc(num*500);
955  strcpy(out, "");
956  for (i=0; i<num; i++) {
957    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
958      owl_free(out);
959      owl_free(tmpbuff);
960      ZFlushSubscriptions();
961      out=owl_strdup("Error while getting subscriptions\n");
962      return(out);
963    } else {
[03955f3]964      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
[09489b89]965      strcpy(out, tmpbuff);
966    }
967  }
968
969  owl_free(tmpbuff);
970  ZFlushSubscriptions();
971  return(out);
972#else
[12c35df]973  return(owl_strdup("Zephyr not available"));
[09489b89]974#endif
975}
976
977char *owl_zephyr_get_variable(char *var)
978{
979#ifdef HAVE_LIBZEPHYR
980  return(ZGetVariable(var));
981#else
982  return("");
983#endif
984}
985
986void owl_zephyr_set_locationinfo(char *host, char *val)
987{
988#ifdef HAVE_LIBZEPHYR
989  ZInitLocationInfo(host, val);
990#endif
991}
992 
[e3d9c77]993/* Strip a local realm fron the zephyr user name.
994 * The caller must free the return
995 */
996char *short_zuser(char *in)
997{
998  char *out, *ptr;
999
1000  out=owl_strdup(in);
1001  ptr=strchr(out, '@');
1002  if (ptr) {
1003    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
1004      *ptr='\0';
1005    }
1006  }
1007  return(out);
1008}
1009
1010/* Append a local realm to the zephyr user name if necessary.
1011 * The caller must free the return.
1012 */
1013char *long_zuser(char *in)
1014{
[1971b59]1015  if (strchr(in, '@')) {
1016    return(owl_strdup(in));
[e3d9c77]1017  }
[1971b59]1018  return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
[e3d9c77]1019}
1020
1021/* strip out the instance from a zsender's principal.  Preserves the
1022 * realm if present.  daemon.webzephyr is a special case.  The
1023 * caller must free the return
1024 */
1025char *owl_zephyr_smartstripped_user(char *in)
1026{
1027  char *ptr, *realm, *out;
1028
1029  out=owl_strdup(in);
1030
1031  /* bail immeaditly if we don't have to do any work */
1032  ptr=strchr(in, '.');
1033  if (!strchr(in, '/') && !ptr) {
1034    /* no '/' and no '.' */
1035    return(out);
1036  }
1037  if (ptr && strchr(in, '@') && (ptr > strchr(in, '@'))) {
1038    /* There's a '.' but it's in the realm */
1039    return(out);
1040  }
1041  if (!strncasecmp(in, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
1042    return(out);
1043  }
1044
1045  /* remove the realm from ptr, but hold on to it */
1046  realm=strchr(out, '@');
1047  if (realm) realm[0]='\0';
1048
1049  /* strip */
1050  ptr=strchr(out, '.');
1051  if (!ptr) ptr=strchr(out, '/');
1052  ptr[0]='\0';
1053
1054  /* reattach the realm if we had one */
1055  if (realm) {
1056    strcat(out, "@");
1057    strcat(out, realm+1);
1058  }
1059
1060  return(out);
1061}
[5a95b69]1062
1063/* read the list of users in 'filename' as a .anyone file, and put the
1064 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1065 * use the default .anyone file in the users home directory.  Returns
1066 * -1 on failure, 0 on success.
1067 */
1068int owl_zephyr_get_anyone_list(owl_list *in, char *filename)
1069{
1070#ifdef HAVE_LIBZEPHYR
1071  char *ourfile, *tmp, buff[LINE];
1072  FILE *f;
1073
1074  if (filename==NULL) {
1075    tmp=owl_global_get_homedir(&g);
1076    ourfile=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
1077  } else {
1078    ourfile=owl_strdup(filename);
1079  }
1080 
1081  f=fopen(ourfile, "r");
1082  if (!f) {
1083    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
1084    owl_free(ourfile);
1085    return(-1);
1086  }
1087
1088  while (fgets(buff, LINE, f)!=NULL) {
1089    /* ignore comments, blank lines etc. */
1090    if (buff[0]=='#') continue;
1091    if (buff[0]=='\n') continue;
1092    if (buff[0]=='\0') continue;
1093   
1094    /* strip the \n */
1095    buff[strlen(buff)-1]='\0';
1096   
1097    /* ingore from # on */
1098    tmp=strchr(buff, '#');
1099    if (tmp) tmp[0]='\0';
1100   
1101    /* ingore from SPC */
1102    tmp=strchr(buff, ' ');
1103    if (tmp) tmp[0]='\0';
1104   
1105    /* stick on the local realm. */
1106    if (!strchr(buff, '@')) {
1107      strcat(buff, "@");
1108      strcat(buff, ZGetRealm());
1109    }
1110    owl_list_append_element(in, owl_strdup(buff));
1111  }
1112  fclose(f);
1113  owl_free(ourfile);
1114  return(0);
1115#else
1116  return(-1);
1117#endif
1118}
[13a3c1db]1119
1120#ifdef HAVE_LIBZEPHYR
1121void owl_zephyr_process_events() {
1122  int zpendcount=0;
1123  ZNotice_t notice;
1124  struct sockaddr_in from;
1125  owl_message *m=NULL;
1126
1127  while(owl_zephyr_zpending() && zpendcount < 20) {
1128    if (owl_zephyr_zpending()) {
1129      ZReceiveNotice(&notice, &from);
1130      zpendcount++;
1131
1132      /* is this an ack from a zephyr we sent? */
1133      if (owl_zephyr_notice_is_ack(&notice)) {
1134        owl_zephyr_handle_ack(&notice);
1135        continue;
1136      }
1137
1138      /* if it's a ping and we're not viewing pings then skip it */
1139      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
1140        continue;
1141      }
1142
1143      /* create the new message */
1144      m=owl_malloc(sizeof(owl_message));
1145      owl_message_create_from_znotice(m, &notice);
1146
1147      owl_global_messagequeue_addmsg(&g, m);
1148    }
1149  }
1150}
1151
1152#else
1153void owl_zephyr_process_events() {
1154 
1155}
1156#endif
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