source: zephyr.c @ 879e7e94

barnowl_perlaimdebianrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 879e7e94 was 10e3963, checked in by Nelson Elhage <nelhage@mit.edu>, 14 years ago
Fix the error messages sending to users who don't exist or aren't signed on.
  • Property mode set to 100644
File size: 25.9 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}
[09489b89]356#else
[701a184]357char *owl_zephyr_get_field(void *n, int j)
[09489b89]358{
[b0430a6]359  return(owl_strdup(""));
[09489b89]360}
[be0a79f]361#endif
[7d4fbcd]362
[b0430a6]363
[be0a79f]364#ifdef HAVE_LIBZEPHYR
[31e48a3]365int owl_zephyr_get_num_fields(ZNotice_t *n)
366{
[7d4fbcd]367  int i, fields;
368
[50e29e3]369  if(n->z_message_len == 0)
370    return 0;
371
[7d4fbcd]372  fields=1;
373  for (i=0; i<n->z_message_len; i++) {
374    if (n->z_message[i]=='\0') fields++;
375  }
376 
377  return(fields);
378}
[09489b89]379#else
380int owl_zephyr_get_num_fields(void *n)
381{
382  return(0);
383}
[be0a79f]384#endif
[7d4fbcd]385
[be0a79f]386#ifdef HAVE_LIBZEPHYR
[bf73bdd]387/* return a pointer to the message, place the message length in k
388 * caller must free the return
389 */
[85d1795]390char *owl_zephyr_get_message(ZNotice_t *n, owl_message *m)
[31e48a3]391{
[405d5e6]392  /* don't let ping messages have a body */
[7d4fbcd]393  if (!strcasecmp(n->z_opcode, "ping")) {
[bf73bdd]394    return(owl_strdup(""));
[7d4fbcd]395  }
396
[a1bb198]397  /* deal with MIT NOC messages */
[85d1795]398  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")) {
399    char *msg, *field3, *field4;
[a1bb198]400
401    field3 = owl_zephyr_get_field(n, 3);
402    field4 = owl_zephyr_get_field(n, 4);
403
[85d1795]404    msg = owl_sprintf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
[272a4a0]405    owl_free(field3);
406    owl_free(field4);
[a1bb198]407    if (msg) {
408      return msg;
409    }
410  }
[fba0f96]411  /* deal with MIT Discuss messages */
[85d1795]412  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4")) {
[fba0f96]413    char *msg, *field1, *field2, *field3, *field4, *field5;
414   
415    field1 = owl_zephyr_get_field(n, 1);
416    field2 = owl_zephyr_get_field(n, 2);
417    field3 = owl_zephyr_get_field(n, 3);
418    field4 = owl_zephyr_get_field(n, 4);
419    field5 = owl_zephyr_get_field(n, 5);
420   
421    msg = owl_sprintf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
422    owl_free(field1);
423    owl_free(field2);
424    owl_free(field3);
425    owl_free(field4);
426    owl_free(field5);
427    if (msg) {
428      return msg;
429    }
430  }
[85d1795]431  /* deal with MIT Moira messages */
432  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
433    char *msg, *field1;
434   
435    field1 = owl_zephyr_get_field(n, 1);
436   
437    msg = owl_sprintf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
438    owl_free(field1);
439    if (msg) {
440      return msg;
441    }
442  }
[405d5e6]443
[85d1795]444  if (owl_zephyr_get_num_fields(n) == 1) {
445    return(owl_zephyr_get_field(n, 1));
446  }
447  else {
448    return(owl_zephyr_get_field(n, 2));
449  }
[7d4fbcd]450}
[be0a79f]451#endif
[7d4fbcd]452
[be0a79f]453#ifdef HAVE_LIBZEPHYR
[31e48a3]454char *owl_zephyr_get_zsig(ZNotice_t *n, int *k)
455{
[7d4fbcd]456  /* return a pointer to the zsig if there is one */
457
[405d5e6]458  /* message length 0? No zsig */
[7d4fbcd]459  if (n->z_message_len==0) {
460    *k=0;
461    return("");
462  }
[405d5e6]463
[85d1795]464  /* If there's only one field, no zsig */
465  if (owl_zephyr_get_num_fields(n) == 1) {
466    *k=0;
[405d5e6]467    return("");
468  }
469
470  /* Everything else is field 1 */
[7d4fbcd]471  *k=strlen(n->z_message);
472  return(n->z_message);
473}
[09489b89]474#else
475char *owl_zephyr_get_zsig(void *n, int *k)
476{
477  return("");
478}
[be0a79f]479#endif
[7d4fbcd]480
[31e48a3]481int send_zephyr(char *opcode, char *zsig, char *class, char *instance, char *recipient, char *message)
482{
[be0a79f]483#ifdef HAVE_LIBZEPHYR
[7d4fbcd]484  int ret;
485  ZNotice_t notice;
486   
487  memset(&notice, 0, sizeof(notice));
488
[8262340]489  ZResetAuthentication();
[8ba37ec]490
491  if (!zsig) zsig="";
[8262340]492 
[7d4fbcd]493  notice.z_kind=ACKED;
494  notice.z_port=0;
495  notice.z_class=class;
496  notice.z_class_inst=instance;
497  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
498    notice.z_recipient="";
499  } else {
500    notice.z_recipient=recipient;
501  }
502  notice.z_default_format="Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2";
503  notice.z_sender=NULL;
504  if (opcode) notice.z_opcode=opcode;
505
[56330ff]506  notice.z_message_len=strlen(zsig)+1+strlen(message);
[7d4fbcd]507  notice.z_message=owl_malloc(notice.z_message_len+10);
[56330ff]508  strcpy(notice.z_message, zsig);
509  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]510
511  /* ret=ZSendNotice(&notice, ZAUTH); */
512  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
513 
514  /* free then check the return */
515  owl_free(notice.z_message);
516  ZFreeNotice(&notice);
517  if (ret!=ZERR_NONE) {
[ec6ff52]518    owl_function_error("Error sending zephyr");
[7d4fbcd]519    return(ret);
520  }
521  return(0);
[be0a79f]522#else
523  return(0);
524#endif
[7d4fbcd]525}
526
[be0a79f]527#ifdef HAVE_LIBZEPHYR
[31e48a3]528Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
529{
[7d4fbcd]530  return(ZSendPacket(buf, len, 0));
531}
[be0a79f]532#endif
[7d4fbcd]533
[31e48a3]534void send_ping(char *to)
535{
[be0a79f]536#ifdef HAVE_LIBZEPHYR
[7d4fbcd]537  send_zephyr("PING", "", "MESSAGE", "PERSONAL", to, "");
[be0a79f]538#endif
[7d4fbcd]539}
540
[be0a79f]541#ifdef HAVE_LIBZEPHYR
[31e48a3]542void owl_zephyr_handle_ack(ZNotice_t *retnotice)
543{
[7d4fbcd]544  char *tmp;
545 
546  /* if it's an HMACK ignore it */
547  if (retnotice->z_kind == HMACK) return;
[aecf3e6]548
[7d4fbcd]549  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]550    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]551  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]552    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]553  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
554    if (!strcasecmp(retnotice->z_opcode, "ping")) {
555      return;
556    } else if (!strcasecmp(retnotice->z_class, "message") &&
557               !strcasecmp(retnotice->z_class_inst, "personal")) {
[4b464a4]558      tmp=short_zuser(retnotice->z_recipient);
[b4db911]559      owl_function_makemsg("Message sent to %s.", tmp);
[7d4fbcd]560      free(tmp);
561    } else {
[b4db911]562      owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
[7d4fbcd]563    }
564  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
[1151f0b]565    #define BUFFLEN 1024
[44f32fb]566    if (retnotice->z_recipient == NULL
[60c2e1e]567        || *retnotice->z_recipient == 0
[44f32fb]568        || *retnotice->z_recipient == '@') {
[1151f0b]569      char buff[BUFFLEN];
[44f32fb]570      owl_function_error("No one subscribed to class %s", retnotice->z_class);
[1151f0b]571      snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]572      owl_function_adminmsg("", buff);
[7d4fbcd]573    } else {
[1151f0b]574      char buff[BUFFLEN];
[4b464a4]575      tmp = short_zuser(retnotice->z_recipient);
[44f32fb]576      owl_function_error("%s: Not logged in or subscribing.", tmp);
577      if(strcmp(retnotice->z_class, "message")) {
[1151f0b]578        snprintf(buff, BUFFLEN,
[10e3963]579                 "Could not send message to %s: "
580                 "not logged in or subscribing to class %s, instance %s.\n", 
581                 tmp,
[1151f0b]582                 retnotice->z_class,
583                 retnotice->z_class_inst);
[44f32fb]584      } else {
[1151f0b]585        snprintf(buff, BUFFLEN,
[10e3963]586                 "Could not send message to %s: "
587                 "not logged in or subscribing to messages.\n",
588                 tmp);
[44f32fb]589      }
[9119a47]590      owl_function_adminmsg("", buff);
[180cd15]591      owl_log_outgoing_zephyr_error(tmp, buff);
[1c6c4d3]592      owl_free(tmp);
[7d4fbcd]593    }
594  } else {
[ec6ff52]595    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]596  }
597}
[09489b89]598#else
599void owl_zephyr_handle_ack(void *retnotice)
600{
601}
[be0a79f]602#endif
[7d4fbcd]603
[be0a79f]604#ifdef HAVE_LIBZEPHYR
[31e48a3]605int owl_zephyr_notice_is_ack(ZNotice_t *n)
606{
[7d4fbcd]607  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
608    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
609    return(1);
610  }
611  return(0);
612}
[09489b89]613#else
614int owl_zephyr_notice_is_ack(void *n)
615{
616  return(0);
617}
[be0a79f]618#endif
[7d4fbcd]619 
[31e48a3]620void owl_zephyr_zaway(owl_message *m)
621{
[be0a79f]622#ifdef HAVE_LIBZEPHYR
[7c8060d0]623  char *tmpbuff, *myuser, *to;
[15b34fd]624  owl_message *mout;
[7d4fbcd]625 
[aa2f6364]626  /* bail if it doesn't look like a message we should reply to.  Some
[2de4f20]627   * of this defined by the way zaway(1) works
628   */
[7d4fbcd]629  if (strcasecmp(owl_message_get_class(m), "message")) return;
630  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
631  if (!strcasecmp(owl_message_get_sender(m), "")) return;
632  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
633  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]634  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]635  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
[9854278]636  if (owl_message_get_attribute_value(m, "isauto")) return;
[7d4fbcd]637
[7c8060d0]638  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]639    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]640  } else {
641    to=owl_strdup(owl_message_get_sender(m));
642  }
643
[7d4fbcd]644  send_zephyr("",
645              "Automated reply:",
646              owl_message_get_class(m),
647              owl_message_get_instance(m),
[7c8060d0]648              to,
[7d4fbcd]649              owl_global_get_zaway_msg(&g));
650
[7c8060d0]651  myuser=short_zuser(to);
[aa2f6364]652  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
653    tmpbuff = owl_sprintf("zwrite %s", myuser);
654  } else {
655    tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
656  }
657  owl_free(myuser);
[7c8060d0]658  owl_free(to);
[aa2f6364]659
[7d4fbcd]660  /* display the message as an admin message in the receive window */
[15b34fd]661  mout=owl_function_make_outgoing_zephyr(owl_global_get_zaway_msg(&g), tmpbuff, "Automated reply:");
[13a3c1db]662  owl_global_messagequeue_addmsg(&g, mout);
[7d4fbcd]663  owl_free(tmpbuff);
[be0a79f]664#endif
[7d4fbcd]665}
666
[be0a79f]667#ifdef HAVE_LIBZEPHYR
[31e48a3]668void owl_zephyr_hackaway_cr(ZNotice_t *n)
669{
[7d4fbcd]670  /* replace \r's with ' '.  Gross-ish */
671  int i;
672
673  for (i=0; i<n->z_message_len; i++) {
674    if (n->z_message[i]=='\r') {
675      n->z_message[i]=' ';
676    }
677  }
678}
[be0a79f]679#endif
[7d4fbcd]680
[31e48a3]681void owl_zephyr_zlocate(char *user, char *out, int auth)
682{
[be0a79f]683#ifdef HAVE_LIBZEPHYR
[7d4fbcd]684  int ret, numlocs;
685  int one = 1;
686  ZLocations_t locations;
687  char *myuser;
688 
689  strcpy(out, "");
[8262340]690  ZResetAuthentication();
[7d4fbcd]691  ret=ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH);
692  if (ret != ZERR_NONE) {
[667a1b6]693    sprintf(out, "Error locating user %s\n", user);
694    return;
[7d4fbcd]695  }
696
697  if (numlocs==0) {
[2527615]698    myuser=short_zuser(user);
699    sprintf(out, "%s: Hidden or not logged-in\n", myuser);
700    owl_free(myuser);
[7d4fbcd]701    return;
702  }
703   
704  for (;numlocs;numlocs--) {
705    ZGetLocations(&locations,&one);
[4b464a4]706    myuser=short_zuser(user);
[667a1b6]707    sprintf(out, "%s%s: %s\t%s\t%s\n", out, myuser,
708            locations.host ? locations.host : "?",
709            locations.tty ? locations.tty : "?",
710            locations.time ? locations.time : "?");
[7d4fbcd]711    owl_free(myuser);
712  }
[be0a79f]713#endif
[7d4fbcd]714}
[bde7714]715
[31e48a3]716void owl_zephyr_addsub(char *filename, char *class, char *inst, char *recip)
717{
[be0a79f]718#ifdef HAVE_LIBZEPHYR
[bde7714]719  char *line, subsfile[LINE], buff[LINE];
720  FILE *file;
721
722  line=owl_zephyr_makesubline(class, inst, recip);
723
724  if (filename==NULL) {
725    sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
726  } else {
727    strcpy(subsfile, filename);
728  }
729
[74037d9]730  /* if the file already exists, check to see if the sub is already there */
[bde7714]731  file=fopen(subsfile, "r");
[74037d9]732  if (file) {
733    while (fgets(buff, LINE, file)!=NULL) {
734      if (!strcasecmp(buff, line)) {
735        owl_function_error("Subscription already present in %s", subsfile);
736        owl_free(line);
[e78397d]737        fclose(file);
[74037d9]738        return;
739      }
[bde7714]740    }
[99dabee]741    fclose(file);
[bde7714]742  }
743
744  /* if we get here then we didn't find it */
745  file=fopen(subsfile, "a");
746  if (!file) {
[ec6ff52]747    owl_function_error("Error opening file %s for writing", subsfile);
[bde7714]748    owl_free(line);
749    return;
750  }
751  fputs(line, file);
752  fclose(file);
753  owl_function_makemsg("Subscription added");
754 
755  owl_free(line);
[be0a79f]756#endif
[bde7714]757}
758
[31e48a3]759void owl_zephyr_delsub(char *filename, char *class, char *inst, char *recip)
760{
[be0a79f]761#ifdef HAVE_LIBZEPHYR
[b2a91b6]762  char *line, *subsfile;
[bde7714]763 
764  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]765  line[strlen(line)-1]='\0';
[bde7714]766
[b2a91b6]767  if (!filename) {
768    subsfile=owl_sprintf("%s/.zephyr.subs", owl_global_get_homedir(&g));
[bde7714]769  } else {
[b2a91b6]770    subsfile=owl_strdup(filename);
[bde7714]771  }
[b2a91b6]772 
773  owl_util_file_deleteline(subsfile, line, 1);
774  owl_free(subsfile);
[bde7714]775  owl_free(line);
776  owl_function_makemsg("Subscription removed");
[be0a79f]777#endif
[bde7714]778}
779
[b2a91b6]780/* caller must free the return */
[31e48a3]781char *owl_zephyr_makesubline(char *class, char *inst, char *recip)
782{
[bde7714]783  char *out;
784
785  out=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+30);
786  sprintf(out, "%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
787  return(out);
788}
[31e48a3]789
790
791void owl_zephyr_zlog_in(void)
792{
[be0a79f]793#ifdef HAVE_LIBZEPHYR
[31e48a3]794  char *exposure, *eset;
795  int ret;
796
797  ZResetAuthentication();
798   
799  eset=EXPOSE_REALMVIS;
800  exposure=ZGetVariable("exposure");
801  if (exposure==NULL) {
802    eset=EXPOSE_REALMVIS;
803  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
804    eset = EXPOSE_NONE;
805  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
806    eset = EXPOSE_OPSTAFF;
807  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
808    eset = EXPOSE_REALMVIS;
809  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
810    eset = EXPOSE_REALMANN;
811  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
812    eset = EXPOSE_NETVIS;
813  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
814    eset = EXPOSE_NETANN;
815  }
816   
817  ret=ZSetLocation(eset);
818  if (ret != ZERR_NONE) {
819    /*
820      char buff[LINE];
821      sprintf(buff, "Error setting location: %s", error_message(ret));
822      owl_function_makemsg(buff);
823    */
824  }
[be0a79f]825#endif
[31e48a3]826}
827
828void owl_zephyr_zlog_out(void)
829{
[be0a79f]830#ifdef HAVE_LIBZEPHYR
[31e48a3]831  int ret;
832
833  ZResetAuthentication();
834  ret=ZUnsetLocation();
835  if (ret != ZERR_NONE) {
836    /*
837      char buff[LINE];
838      sprintf(buff, "Error unsetting location: %s", error_message(ret));
839      owl_function_makemsg(buff);
840    */
841  }
[be0a79f]842#endif
[31e48a3]843}
844
[65ad073]845void owl_zephyr_addbuddy(char *name)
846{
847  char *filename;
848  FILE *file;
849 
850  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
851  file=fopen(filename, "a");
852  owl_free(filename);
853  if (!file) {
[ec6ff52]854    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]855    return;
856  }
857  fprintf(file, "%s\n", name);
858  fclose(file);
859}
860
861void owl_zephyr_delbuddy(char *name)
862{
863  char *filename;
864
865  filename=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
866  owl_util_file_deleteline(filename, name, 0);
867  owl_free(filename);
868}
[9381782]869
870/* return auth string */
[09489b89]871#ifdef HAVE_LIBZEPHYR
[9381782]872char *owl_zephyr_get_authstr(ZNotice_t *n)
873{
874
875  if (!n) return("UNKNOWN");
876
877  if (n->z_auth == ZAUTH_FAILED) {
878    return ("FAILED");
879  } else if (n->z_auth == ZAUTH_NO) {
880    return ("NO");
881  } else if (n->z_auth == ZAUTH_YES) {
882    return ("YES");
883  } else {
884    return ("UNKNOWN");
885  }           
886}
[09489b89]887#else
888char *owl_zephyr_get_authstr(void *n)
889{
890  return("");
891}
892#endif
[9381782]893
[2de4f20]894/* Returns a buffer of subscriptions or an error message.  Caller must
895 * free the return.
[09489b89]896 */
897char *owl_zephyr_getsubs()
898{
899#ifdef HAVE_LIBZEPHYR
900  int ret, num, i, one;
901  ZSubscription_t sub;
902  char *out, *tmpbuff;
903  one=1;
904
905  ret=ZRetrieveSubscriptions(0, &num);
906  if (ret==ZERR_TOOMANYSUBS) {
[c8735aa]907    return(owl_strdup("Zephyr: too many subscriptions\n"));
908  } else if (ret) {
909    return(owl_strdup("Zephyr: error retriving subscriptions\n"));
[09489b89]910  }
911
912  out=owl_malloc(num*500);
913  tmpbuff=owl_malloc(num*500);
914  strcpy(out, "");
915  for (i=0; i<num; i++) {
916    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
917      owl_free(out);
918      owl_free(tmpbuff);
919      ZFlushSubscriptions();
920      out=owl_strdup("Error while getting subscriptions\n");
921      return(out);
922    } else {
[03955f3]923      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
[09489b89]924      strcpy(out, tmpbuff);
925    }
926  }
927
928  owl_free(tmpbuff);
929  ZFlushSubscriptions();
930  return(out);
931#else
[12c35df]932  return(owl_strdup("Zephyr not available"));
[09489b89]933#endif
934}
935
936char *owl_zephyr_get_variable(char *var)
937{
938#ifdef HAVE_LIBZEPHYR
939  return(ZGetVariable(var));
940#else
941  return("");
942#endif
943}
944
945void owl_zephyr_set_locationinfo(char *host, char *val)
946{
947#ifdef HAVE_LIBZEPHYR
948  ZInitLocationInfo(host, val);
949#endif
950}
951 
[e3d9c77]952/* Strip a local realm fron the zephyr user name.
953 * The caller must free the return
954 */
955char *short_zuser(char *in)
956{
957  char *out, *ptr;
958
959  out=owl_strdup(in);
960  ptr=strchr(out, '@');
961  if (ptr) {
962    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
963      *ptr='\0';
964    }
965  }
966  return(out);
967}
968
969/* Append a local realm to the zephyr user name if necessary.
970 * The caller must free the return.
971 */
972char *long_zuser(char *in)
973{
[1971b59]974  if (strchr(in, '@')) {
975    return(owl_strdup(in));
[e3d9c77]976  }
[1971b59]977  return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
[e3d9c77]978}
979
980/* strip out the instance from a zsender's principal.  Preserves the
981 * realm if present.  daemon.webzephyr is a special case.  The
982 * caller must free the return
983 */
984char *owl_zephyr_smartstripped_user(char *in)
985{
986  char *ptr, *realm, *out;
987
988  out=owl_strdup(in);
989
990  /* bail immeaditly if we don't have to do any work */
991  ptr=strchr(in, '.');
992  if (!strchr(in, '/') && !ptr) {
993    /* no '/' and no '.' */
994    return(out);
995  }
996  if (ptr && strchr(in, '@') && (ptr > strchr(in, '@'))) {
997    /* There's a '.' but it's in the realm */
998    return(out);
999  }
1000  if (!strncasecmp(in, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
1001    return(out);
1002  }
1003
1004  /* remove the realm from ptr, but hold on to it */
1005  realm=strchr(out, '@');
1006  if (realm) realm[0]='\0';
1007
1008  /* strip */
1009  ptr=strchr(out, '.');
1010  if (!ptr) ptr=strchr(out, '/');
1011  ptr[0]='\0';
1012
1013  /* reattach the realm if we had one */
1014  if (realm) {
1015    strcat(out, "@");
1016    strcat(out, realm+1);
1017  }
1018
1019  return(out);
1020}
[5a95b69]1021
1022/* read the list of users in 'filename' as a .anyone file, and put the
1023 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1024 * use the default .anyone file in the users home directory.  Returns
1025 * -1 on failure, 0 on success.
1026 */
1027int owl_zephyr_get_anyone_list(owl_list *in, char *filename)
1028{
1029#ifdef HAVE_LIBZEPHYR
1030  char *ourfile, *tmp, buff[LINE];
1031  FILE *f;
1032
1033  if (filename==NULL) {
1034    tmp=owl_global_get_homedir(&g);
1035    ourfile=owl_sprintf("%s/.anyone", owl_global_get_homedir(&g));
1036  } else {
1037    ourfile=owl_strdup(filename);
1038  }
1039 
1040  f=fopen(ourfile, "r");
1041  if (!f) {
1042    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
1043    owl_free(ourfile);
1044    return(-1);
1045  }
1046
1047  while (fgets(buff, LINE, f)!=NULL) {
1048    /* ignore comments, blank lines etc. */
1049    if (buff[0]=='#') continue;
1050    if (buff[0]=='\n') continue;
1051    if (buff[0]=='\0') continue;
1052   
1053    /* strip the \n */
1054    buff[strlen(buff)-1]='\0';
1055   
1056    /* ingore from # on */
1057    tmp=strchr(buff, '#');
1058    if (tmp) tmp[0]='\0';
1059   
1060    /* ingore from SPC */
1061    tmp=strchr(buff, ' ');
1062    if (tmp) tmp[0]='\0';
1063   
1064    /* stick on the local realm. */
1065    if (!strchr(buff, '@')) {
1066      strcat(buff, "@");
1067      strcat(buff, ZGetRealm());
1068    }
1069    owl_list_append_element(in, owl_strdup(buff));
1070  }
1071  fclose(f);
1072  owl_free(ourfile);
1073  return(0);
1074#else
1075  return(-1);
1076#endif
1077}
[13a3c1db]1078
1079#ifdef HAVE_LIBZEPHYR
1080void owl_zephyr_process_events() {
1081  int zpendcount=0;
1082  ZNotice_t notice;
1083  struct sockaddr_in from;
1084  owl_message *m=NULL;
1085
1086  while(owl_zephyr_zpending() && zpendcount < 20) {
1087    if (owl_zephyr_zpending()) {
1088      ZReceiveNotice(&notice, &from);
1089      zpendcount++;
1090
1091      /* is this an ack from a zephyr we sent? */
1092      if (owl_zephyr_notice_is_ack(&notice)) {
1093        owl_zephyr_handle_ack(&notice);
1094        continue;
1095      }
1096
1097      /* if it's a ping and we're not viewing pings then skip it */
1098      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
1099        continue;
1100      }
1101
1102      /* create the new message */
1103      m=owl_malloc(sizeof(owl_message));
1104      owl_message_create_from_znotice(m, &notice);
1105
1106      owl_global_messagequeue_addmsg(&g, m);
1107    }
1108  }
1109}
1110
1111#else
1112void owl_zephyr_process_events() {
1113 
1114}
1115#endif
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