source: zephyr.c @ c518676

release-1.8release-1.9
Last change on this file since c518676 was c518676, checked in by Karl Ramm <kcr@1ts.org>, 11 years ago
refactor owl_zephyr_get_message Refactor and make the control flow simpler. Really this code should get moved to perl. Reviewed-By: Nelson Elhage <nelhage@nelhage.com>
  • Property mode set to 100644
File size: 36.4 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
[fea7992]9#ifdef HAVE_LIBZEPHYR
[a5e7ed6]10static GList *deferred_subs = NULL;
[79d7d98]11
[a5e7ed6]12typedef struct _owl_sub_list {                            /* noproto */
13  ZSubscription_t *subs;
14  int nsubs;
15} owl_sub_list;
16
[c79a047]17Code_t ZResetAuthentication(void);
[09489b89]18#endif
[8262340]19
[02f55dc]20#define HM_SVC_FALLBACK         htons((unsigned short) 2104)
21
[6ea3890]22static char *owl_zephyr_dotfile(const char *name, const char *input)
23{
24  if (input != NULL)
[d4927a7]25    return g_strdup(input);
[6ea3890]26  else
[3472845]27    return g_strdup_printf("%s/%s", owl_global_get_homedir(&g), name);
[6ea3890]28}
29
[52a0f14]30#ifdef HAVE_LIBZEPHYR
[c79a047]31void owl_zephyr_initialize(void)
[52a0f14]32{
[488913a]33  Code_t ret;
[02f55dc]34  struct servent *sp;
35  struct sockaddr_in sin;
36  ZNotice_t req;
[52a0f14]37
38  /*
39   * Code modified from libzephyr's ZhmStat.c
40   *
41   * Modified to add the fd to our select loop, rather than hanging
42   * until we get an ack.
43   */
44
45  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
46    owl_function_error("Error opening Zephyr port: %s", error_message(ret));
47    return;
48  }
[02f55dc]49
[4d86e06]50  (void) memset(&sin, 0, sizeof(struct sockaddr_in));
[02f55dc]51
52  sp = getservbyname(HM_SVCNAME, "udp");
53
54  sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
55  sin.sin_family = AF_INET;
56
57  sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
58
[4d86e06]59  (void) memset(&req, 0, sizeof(req));
[02f55dc]60  req.z_kind = STAT;
61  req.z_port = 0;
[712caac]62  req.z_class = zstr(HM_STAT_CLASS);
63  req.z_class_inst = zstr(HM_STAT_CLIENT);
64  req.z_opcode = zstr(HM_GIMMESTATS);
65  req.z_sender = zstr("");
66  req.z_recipient = zstr("");
67  req.z_default_format = zstr("");
[02f55dc]68  req.z_message_len = 0;
[52a0f14]69
[488913a]70  if ((ret = ZSetDestAddr(&sin)) != ZERR_NONE) {
71    owl_function_error("Initializing Zephyr: %s", error_message(ret));
[52a0f14]72    return;
73  }
74
[488913a]75  if ((ret = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE) {
76    owl_function_error("Initializing Zephyr: %s", error_message(ret));
[52a0f14]77    return;
78  }
79
[18fdd5f9]80  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_finish_initialization, NULL, NULL);
[02f55dc]81}
82
[18fdd5f9]83void owl_zephyr_finish_initialization(const owl_io_dispatch *d, void *data) {
[52a0f14]84  Code_t code;
[df569c5]85  char *perl;
[52a0f14]86
[18fdd5f9]87  owl_select_remove_io_dispatch(d);
[52a0f14]88
89  ZClosePort();
90
91  if ((code = ZInitialize()) != ZERR_NONE) {
92    owl_function_error("Initializing Zephyr: %s", error_message(code));
93    return;
94  }
95
96  if ((code = ZOpenPort(NULL)) != ZERR_NONE) {
97    owl_function_error("Initializing Zephyr: %s", error_message(code));
98    return;
99  }
100
[18fdd5f9]101  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_process_events, NULL, NULL);
102
[52a0f14]103  owl_global_set_havezephyr(&g);
104
105  if(g.load_initial_subs) {
106    owl_zephyr_load_initial_subs();
107  }
[a5e7ed6]108  while(deferred_subs != NULL) {
109    owl_sub_list *subs = deferred_subs->data;
110    owl_function_debugmsg("Loading %d deferred subs.", subs->nsubs);
111    owl_zephyr_loadsubs_helper(subs->subs, subs->nsubs);
112    deferred_subs = g_list_delete_link(deferred_subs, deferred_subs);
[ddbbcffa]113    g_free(subs);
[a5e7ed6]114  }
[619d864]115
116  /* zlog in if we need to */
117  if (owl_global_is_startuplogin(&g)) {
118    owl_function_debugmsg("startup: doing zlog in");
119    owl_zephyr_zlog_in();
120  }
[27964fe]121  /* check pseudo-logins if we need to */
122  if (owl_global_is_pseudologins(&g)) {
123    owl_function_debugmsg("startup: checking pseudo-logins");
124    owl_function_zephyr_buddy_check(0);
125  }
[df569c5]126
[12e291a]127  perl = owl_perlconfig_execute("BarnOwl::Zephyr::_zephyr_startup()");
[ddbbcffa]128  g_free(perl);
[12e291a]129
130  owl_select_add_pre_select_action(owl_zephyr_pre_select_action, NULL, NULL);
[52a0f14]131}
132
[c79a047]133void owl_zephyr_load_initial_subs(void) {
[7451af9]134  int ret_sd, ret_bd, ret_u;
[52a0f14]135
136  owl_function_debugmsg("startup: loading initial zephyr subs");
137
138  /* load default subscriptions */
[7451af9]139  ret_sd = owl_zephyr_loaddefaultsubs();
140
141  /* load Barnowl default subscriptions */
142  ret_bd = owl_zephyr_loadbarnowldefaultsubs();
[52a0f14]143
144  /* load subscriptions from subs file */
[7451af9]145  ret_u = owl_zephyr_loadsubs(NULL, 0);
[52a0f14]146
[7451af9]147  if (ret_sd || ret_bd || ret_u) {
[52a0f14]148    owl_function_error("Error loading zephyr subscriptions");
149  }
150
151  /* load login subscriptions */
152  if (owl_global_is_loginsubs(&g)) {
153    owl_function_debugmsg("startup: loading login subs");
154    owl_function_loadloginsubs(NULL);
155  }
156}
157#else
[c79a047]158void owl_zephyr_initialize(void)
[52a0f14]159{
160}
[02f55dc]161#endif
162
[52a0f14]163
[c79a047]164int owl_zephyr_shutdown(void)
[09489b89]165{
166#ifdef HAVE_LIBZEPHYR
[bfbf590]167  if(owl_global_is_havezephyr(&g)) {
168    unsuball();
169    ZClosePort();
170  }
[09489b89]171#endif
[32ad44d]172  return 0;
[be0a79f]173}
174
[c79a047]175int owl_zephyr_zpending(void)
[be0a79f]176{
177#ifdef HAVE_LIBZEPHYR
[8ab1f28]178  Code_t code;
179  if(owl_global_is_havezephyr(&g)) {
180    if((code = ZPending()) < 0) {
181      owl_function_debugmsg("Error (%s) in ZPending()\n",
182                            error_message(code));
183      return 0;
184    }
185    return code;
186  }
[be0a79f]187#endif
[32ad44d]188  return 0;
[be0a79f]189}
190
[c79a047]191const char *owl_zephyr_get_realm(void)
[09489b89]192{
193#ifdef HAVE_LIBZEPHYR
[32ad44d]194  if (owl_global_is_havezephyr(&g))
195    return(ZGetRealm());
[09489b89]196#endif
[32ad44d]197  return "";
[09489b89]198}
199
[c79a047]200const char *owl_zephyr_get_sender(void)
[09489b89]201{
202#ifdef HAVE_LIBZEPHYR
[32ad44d]203  if (owl_global_is_havezephyr(&g))
204    return(ZGetSender());
[09489b89]205#endif
[32ad44d]206  return "";
[09489b89]207}
208
[f6050ee]209#ifdef HAVE_LIBZEPHYR
[93e883d]210int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
211{
[18105584]212  int ret = 0;
[c73a22d]213  Code_t code;
214
[a5e7ed6]215  if (owl_global_is_havezephyr(&g)) {
216    int i;
217    /* sub without defaults */
[c73a22d]218    code = ZSubscribeToSansDefaults(subs, count, 0);
219    if (code != ZERR_NONE) {
220      owl_function_error("Error subscribing to zephyr notifications: %s",
221                         error_message(code));
[a5e7ed6]222      ret=-2;
223    }
[93e883d]224
[a5e7ed6]225    /* free stuff */
226    for (i=0; i<count; i++) {
[ddbbcffa]227      g_free(subs[i].zsub_class);
228      g_free(subs[i].zsub_classinst);
229      g_free(subs[i].zsub_recipient);
[a5e7ed6]230    }
[bb2c60d]231
[ddbbcffa]232    g_free(subs);
[a5e7ed6]233  } else {
[96828e4]234    owl_sub_list *s = g_new(owl_sub_list, 1);
[a5e7ed6]235    s->subs = subs;
236    s->nsubs = count;
237    deferred_subs = g_list_append(deferred_subs, s);
238  }
[d21efbc]239
[93e883d]240  return ret;
241}
[f6050ee]242#endif
[93e883d]243
[7451af9]244/* Load zephyr subscriptions from 'filename'.  If 'filename' is NULL,
[95474d7]245 * the default file $HOME/.zephyr.subs will be used.
246 *
247 * Returns 0 on success.  If the file does not exist, return -1 if
248 * 'error_on_nofile' is 1, otherwise return 0.  Return -1 if the file
249 * exists but can not be read.  Return -2 if there is a failure from
250 * zephyr to load the subscriptions.
[2de4f20]251 */
[e19eb97]252int owl_zephyr_loadsubs(const char *filename, int error_on_nofile)
[31e48a3]253{
[be0a79f]254#ifdef HAVE_LIBZEPHYR
[7d4fbcd]255  FILE *file;
256  char *tmp, *start;
[b7ee89b]257  char *buffer = NULL;
258  char *subsfile;
[bb2c60d]259  ZSubscription_t *subs;
260  int subSize = 1024;
[b7ee89b]261  int count;
[4357be8]262  struct stat statbuff;
[7d4fbcd]263
[96828e4]264  subs = g_new(ZSubscription_t, subSize);
[6ea3890]265  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[b7ee89b]266
267  if (stat(subsfile, &statbuff) != 0) {
[ddbbcffa]268    g_free(subsfile);
[b7ee89b]269    if (error_on_nofile == 1)
270      return -1;
271    return 0;
[95474d7]272  }
[4357be8]273
[8262340]274  ZResetAuthentication();
[b7ee89b]275  count = 0;
276  file = fopen(subsfile, "r");
[ddbbcffa]277  g_free(subsfile);
[b7ee89b]278  if (!file)
279    return -1;
280  while (owl_getline(&buffer, file)) {
281    if (buffer[0] == '#' || buffer[0] == '\n')
282        continue;
283
284    if (buffer[0] == '-')
285      start = buffer + 1;
286    else
287      start = buffer;
288
[bb2c60d]289    if (count >= subSize) {
[d21efbc]290      subSize *= 2;
[35b6eb9]291      subs = g_renew(ZSubscription_t, subs, subSize);
[93e883d]292    }
[95474d7]293   
294    /* add it to the list of subs */
[b7ee89b]295    if ((tmp = strtok(start, ",\n\r")) == NULL)
296      continue;
[d4927a7]297    subs[count].zsub_class = g_strdup(tmp);
[b7ee89b]298    if ((tmp=strtok(NULL, ",\n\r")) == NULL)
299      continue;
[d4927a7]300    subs[count].zsub_classinst = g_strdup(tmp);
[b7ee89b]301    if ((tmp = strtok(NULL, " \t\n\r")) == NULL)
302      continue;
[d4927a7]303    subs[count].zsub_recipient = g_strdup(tmp);
[b7ee89b]304
[bb2c60d]305    /* if it started with '-' then add it to the global punt list, and
306     * remove it from the list of subs. */
[b7ee89b]307    if (buffer[0] == '-') {
[95474d7]308      owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
[ddbbcffa]309      g_free(subs[count].zsub_class);
310      g_free(subs[count].zsub_classinst);
311      g_free(subs[count].zsub_recipient);
[b7ee89b]312    } else {
[bb2c60d]313      count++;
[95474d7]314    }
[7d4fbcd]315  }
[95474d7]316  fclose(file);
[b7ee89b]317  if (buffer)
[ddbbcffa]318    g_free(buffer);
[7d4fbcd]319
[b7ee89b]320  return owl_zephyr_loadsubs_helper(subs, count);
[7451af9]321#else
[b7ee89b]322  return 0;
[7451af9]323#endif
324}
325
326/* Load default Barnowl subscriptions
327 *
328 * Returns 0 on success.
329 * Return -2 if there is a failure from zephyr to load the subscriptions.
330 */
[c79a047]331int owl_zephyr_loadbarnowldefaultsubs(void)
[7451af9]332{
333#ifdef HAVE_LIBZEPHYR
334  ZSubscription_t *subs;
335  int subSize = 10; /* Max Barnowl default subs we allow */
336  int count, ret;
337
[96828e4]338  subs = g_new(ZSubscription_t, subSize);
[7451af9]339  ZResetAuthentication();
340  count=0;
341
[d4927a7]342  subs[count].zsub_class=g_strdup("message");
343  subs[count].zsub_classinst=g_strdup("*");
344  subs[count].zsub_recipient=g_strdup("%me%");
[7451af9]345  count++;
346
347  ret = owl_zephyr_loadsubs_helper(subs, count);
[7d4fbcd]348  return(ret);
[be0a79f]349#else
350  return(0);
351#endif
[7d4fbcd]352}
353
[c79a047]354int owl_zephyr_loaddefaultsubs(void)
[4357be8]355{
[40d834a]356#ifdef HAVE_LIBZEPHYR
[c73a22d]357  Code_t ret;
358
[2c5ee3e]359  if (owl_global_is_havezephyr(&g)) {
360    ZSubscription_t subs[10];
[c73a22d]361
362    ret = ZSubscribeTo(subs, 0, 0);
363    if (ret != ZERR_NONE) {
364      owl_function_error("Error subscribing to default zephyr notifications: %s.",
365                           error_message(ret));
[2c5ee3e]366      return(-1);
367    }
[4357be8]368  }
369  return(0);
[40d834a]370#else
371  return(0);
372#endif
[4357be8]373}
374
[e19eb97]375int owl_zephyr_loadloginsubs(const char *filename)
[31e48a3]376{
[be0a79f]377#ifdef HAVE_LIBZEPHYR
[7d4fbcd]378  FILE *file;
[d21efbc]379  ZSubscription_t *subs;
380  int numSubs = 100;
[b7ee89b]381  char *subsfile;
382  char *buffer = NULL;
383  int count;
[4357be8]384  struct stat statbuff;
[7d4fbcd]385
[96828e4]386  subs = g_new(ZSubscription_t, numSubs);
[6ea3890]387  subsfile = owl_zephyr_dotfile(".anyone", filename);
[4357be8]388
[922f589]389  if (stat(subsfile, &statbuff) == -1) {
[ddbbcffa]390    g_free(subs);
391    g_free(subsfile);
[b7ee89b]392    return 0;
[922f589]393  }
[7d4fbcd]394
[8262340]395  ZResetAuthentication();
[b7ee89b]396  count = 0;
397  file = fopen(subsfile, "r");
[ddbbcffa]398  g_free(subsfile);
[7d4fbcd]399  if (file) {
[b7ee89b]400    while (owl_getline_chomp(&buffer, file)) {
401      if (buffer[0] == '\0' || buffer[0] == '#')
402        continue;
403
[d21efbc]404      if (count == numSubs) {
405        numSubs *= 2;
[35b6eb9]406        subs = g_renew(ZSubscription_t, subs, numSubs);
[d21efbc]407      }
[7d4fbcd]408
[d4927a7]409      subs[count].zsub_class = g_strdup("login");
410      subs[count].zsub_recipient = g_strdup("*");
[b7ee89b]411      subs[count].zsub_classinst = long_zuser(buffer);
[7d4fbcd]412
413      count++;
414    }
415    fclose(file);
416  } else {
[b7ee89b]417    return 0;
[7d4fbcd]418  }
[b7ee89b]419  if (buffer)
[ddbbcffa]420    g_free(buffer);
[7d4fbcd]421
[b7ee89b]422  return owl_zephyr_loadsubs_helper(subs, count);
[be0a79f]423#else
[b7ee89b]424  return 0;
[be0a79f]425#endif
[7d4fbcd]426}
427
[c79a047]428void unsuball(void)
[31e48a3]429{
[be0a79f]430#if HAVE_LIBZEPHYR
[00842c3]431  Code_t ret;
[8262340]432
433  ZResetAuthentication();
[00842c3]434  ret = ZCancelSubscriptions(0);
435  if (ret != ZERR_NONE)
436    owl_function_error("Zephyr: Cancelling subscriptions: %s",
437                       error_message(ret));
[be0a79f]438#endif
[7d4fbcd]439}
440
[e19eb97]441int owl_zephyr_sub(const char *class, const char *inst, const char *recip)
[31e48a3]442{
[be0a79f]443#ifdef HAVE_LIBZEPHYR
[7d4fbcd]444  ZSubscription_t subs[5];
[c73a22d]445  Code_t ret;
[7d4fbcd]446
[712caac]447  subs[0].zsub_class=zstr(class);
448  subs[0].zsub_classinst=zstr(inst);
449  subs[0].zsub_recipient=zstr(recip);
[7d4fbcd]450
[8262340]451  ZResetAuthentication();
[c73a22d]452  ret = ZSubscribeTo(subs, 1, 0);
453  if (ret != ZERR_NONE) {
454    owl_function_error("Error subbing to <%s,%s,%s>: %s",
455                       class, inst, recip,
456                       error_message(ret));
[97cd00be]457    return(-2);
[7d4fbcd]458  }
459  return(0);
[be0a79f]460#else
461  return(0);
462#endif
[7d4fbcd]463}
464
465
[e19eb97]466int owl_zephyr_unsub(const char *class, const char *inst, const char *recip)
[31e48a3]467{
[be0a79f]468#ifdef HAVE_LIBZEPHYR
[7d4fbcd]469  ZSubscription_t subs[5];
[c73a22d]470  Code_t ret;
[7d4fbcd]471
[712caac]472  subs[0].zsub_class=zstr(class);
473  subs[0].zsub_classinst=zstr(inst);
474  subs[0].zsub_recipient=zstr(recip);
[7d4fbcd]475
[8262340]476  ZResetAuthentication();
[c73a22d]477  ret = ZUnsubscribeTo(subs, 1, 0);
478  if (ret != ZERR_NONE) {
479    owl_function_error("Error unsubbing from <%s,%s,%s>: %s",
480                       class, inst, recip,
481                       error_message(ret));
[97cd00be]482    return(-2);
[7d4fbcd]483  }
484  return(0);
[be0a79f]485#else
486  return(0);
487#endif
[7d4fbcd]488}
489
[b0430a6]490/* return a pointer to the data in the Jth field, (NULL terminated by
491 * definition).  Caller must free the return.
492 */
[be0a79f]493#ifdef HAVE_LIBZEPHYR
[1077891a]494char *owl_zephyr_get_field(const ZNotice_t *n, int j)
[31e48a3]495{
[7d4fbcd]496  int i, count, save;
497
[128171a]498  /* If there's no message here, just run along now */
499  if (n->z_message_len == 0)
[d4927a7]500    return(g_strdup(""));
[128171a]501
[7d4fbcd]502  count=save=0;
503  for (i=0; i<n->z_message_len; i++) {
504    if (n->z_message[i]=='\0') {
505      count++;
506      if (count==j) {
507        /* just found the end of the field we're looking for */
[d4927a7]508        return(g_strdup(n->z_message+save));
[7d4fbcd]509      } else {
510        save=i+1;
511      }
512    }
513  }
[b0430a6]514  /* catch the last field, which might not be null terminated */
[7d4fbcd]515  if (count==j-1) {
[fc7481a]516    return g_strndup(n->z_message + save, n->z_message_len - save);
[7d4fbcd]517  }
[b0430a6]518
[d4927a7]519  return(g_strdup(""));
[7d4fbcd]520}
[5376a95]521
[1077891a]522char *owl_zephyr_get_field_as_utf8(const ZNotice_t *n, int j)
[5376a95]523{
524  int i, count, save;
525
526  /* If there's no message here, just run along now */
527  if (n->z_message_len == 0)
[d4927a7]528    return(g_strdup(""));
[5376a95]529
530  count=save=0;
531  for (i = 0; i < n->z_message_len; i++) {
532    if (n->z_message[i]=='\0') {
533      count++;
534      if (count == j) {
535        /* just found the end of the field we're looking for */
[6201646]536        return(owl_validate_or_convert(n->z_message + save));
[5376a95]537      } else {
538        save = i + 1;
539      }
540    }
541  }
542  /* catch the last field, which might not be null terminated */
543  if (count == j - 1) {
[6201646]544    char *tmp, *out;
[fc7481a]545    tmp = g_strndup(n->z_message + save, n->z_message_len - save);
[6201646]546    out = owl_validate_or_convert(tmp);
[ddbbcffa]547    g_free(tmp);
[6201646]548    return out;
[5376a95]549  }
550
[d4927a7]551  return(g_strdup(""));
[5376a95]552}
[09489b89]553#else
[701a184]554char *owl_zephyr_get_field(void *n, int j)
[09489b89]555{
[d4927a7]556  return(g_strdup(""));
[09489b89]557}
[5577606]558char *owl_zephyr_get_field_as_utf8(void *n, int j)
[5376a95]559{
560  return owl_zephyr_get_field(n, j);
561}
[be0a79f]562#endif
[7d4fbcd]563
[b0430a6]564
[be0a79f]565#ifdef HAVE_LIBZEPHYR
[1077891a]566int owl_zephyr_get_num_fields(const ZNotice_t *n)
[31e48a3]567{
[7d4fbcd]568  int i, fields;
569
[50e29e3]570  if(n->z_message_len == 0)
571    return 0;
572
[7d4fbcd]573  fields=1;
574  for (i=0; i<n->z_message_len; i++) {
575    if (n->z_message[i]=='\0') fields++;
576  }
577 
578  return(fields);
579}
[09489b89]580#else
[1077891a]581int owl_zephyr_get_num_fields(const void *n)
[09489b89]582{
583  return(0);
584}
[be0a79f]585#endif
[7d4fbcd]586
[be0a79f]587#ifdef HAVE_LIBZEPHYR
[bf73bdd]588/* return a pointer to the message, place the message length in k
589 * caller must free the return
590 */
[c08c70a]591char *owl_zephyr_get_message(const ZNotice_t *n, const owl_message *m)
[31e48a3]592{
[c518676]593#define OWL_NFIELDS     5
594  int i;
595  char *fields[OWL_NFIELDS + 1];
596  char *msg = NULL;
597
[405d5e6]598  /* don't let ping messages have a body */
[7d4fbcd]599  if (!strcasecmp(n->z_opcode, "ping")) {
[d4927a7]600    return(g_strdup(""));
[7d4fbcd]601  }
602
[c518676]603  for(i = 0; i < OWL_NFIELDS; i++)
604    fields[i + 1] = owl_zephyr_get_field(n, i + 1);
605
[a1bb198]606  /* deal with MIT NOC messages */
[85d1795]607  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")) {
[a1bb198]608
[c518676]609    msg = g_strdup_printf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, fields[3], fields[4]);
[a1bb198]610  }
[fba0f96]611  /* deal with MIT Discuss messages */
[e2a620b]612  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4") ||
613           !strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3\nSubject: $4")) {
[fba0f96]614   
[c518676]615    msg = g_strdup_printf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s",
616                          fields[1], fields[2], fields[3], fields[5], fields[4]);
[fba0f96]617  }
[85d1795]618  /* deal with MIT Moira messages */
619  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
[c518676]620    msg = g_strdup_printf("MOIRA %s on %s: %s",
621                          n->z_class_inst,
622                          owl_message_get_hostname(m),
623                          fields[1]);
624  } else {
625    if (owl_zephyr_get_num_fields(n) == 1)
626      msg = g_strdup(fields[1]);
627    else
628      msg = g_strdup(fields[2]);
[85d1795]629  }
[405d5e6]630
[c518676]631  for (i = 0; i < OWL_NFIELDS; i++)
632    g_free(fields[i + 1]);
633
634  return msg;
[7d4fbcd]635}
[be0a79f]636#endif
[7d4fbcd]637
[be0a79f]638#ifdef HAVE_LIBZEPHYR
[1077891a]639const char *owl_zephyr_get_zsig(const ZNotice_t *n, int *k)
[31e48a3]640{
[7d4fbcd]641  /* return a pointer to the zsig if there is one */
642
[405d5e6]643  /* message length 0? No zsig */
[7d4fbcd]644  if (n->z_message_len==0) {
645    *k=0;
646    return("");
647  }
[405d5e6]648
[85d1795]649  /* If there's only one field, no zsig */
650  if (owl_zephyr_get_num_fields(n) == 1) {
651    *k=0;
[405d5e6]652    return("");
653  }
654
655  /* Everything else is field 1 */
[7d4fbcd]656  *k=strlen(n->z_message);
657  return(n->z_message);
658}
[09489b89]659#else
[1077891a]660const char *owl_zephyr_get_zsig(const void *n, int *k)
[09489b89]661{
662  return("");
663}
[be0a79f]664#endif
[7d4fbcd]665
[e19eb97]666int send_zephyr(const char *opcode, const char *zsig, const char *class, const char *instance, const char *recipient, const char *message)
[31e48a3]667{
[be0a79f]668#ifdef HAVE_LIBZEPHYR
[c73a22d]669  Code_t ret;
[7d4fbcd]670  ZNotice_t notice;
671   
672  memset(&notice, 0, sizeof(notice));
673
[8262340]674  ZResetAuthentication();
[8ba37ec]675
676  if (!zsig) zsig="";
[8262340]677 
[7d4fbcd]678  notice.z_kind=ACKED;
679  notice.z_port=0;
[712caac]680  notice.z_class=zstr(class);
681  notice.z_class_inst=zstr(instance);
[21882032]682  notice.z_sender=NULL;
[7d4fbcd]683  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
[712caac]684    notice.z_recipient=zstr("");
[21882032]685    if (*owl_global_get_zsender(&g))
[712caac]686        notice.z_sender=zstr(owl_global_get_zsender(&g));
[7d4fbcd]687  } else {
[712caac]688    notice.z_recipient=zstr(recipient);
[7d4fbcd]689  }
[712caac]690  notice.z_default_format=zstr("Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2");
691  if (opcode) notice.z_opcode=zstr(opcode);
[7d4fbcd]692
[56330ff]693  notice.z_message_len=strlen(zsig)+1+strlen(message);
[96828e4]694  notice.z_message=g_new(char, notice.z_message_len+10);
[56330ff]695  strcpy(notice.z_message, zsig);
696  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]697
698  /* ret=ZSendNotice(&notice, ZAUTH); */
699  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
700 
701  /* free then check the return */
[ddbbcffa]702  g_free(notice.z_message);
[7d4fbcd]703  ZFreeNotice(&notice);
[c73a22d]704  if (ret != ZERR_NONE) {
705    owl_function_error("Error sending zephyr: %s", error_message(ret));
[7d4fbcd]706    return(ret);
707  }
708  return(0);
[be0a79f]709#else
710  return(0);
711#endif
[7d4fbcd]712}
713
[be0a79f]714#ifdef HAVE_LIBZEPHYR
[31e48a3]715Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
716{
[7d4fbcd]717  return(ZSendPacket(buf, len, 0));
718}
[be0a79f]719#endif
[7d4fbcd]720
[e19eb97]721void send_ping(const char *to, const char *zclass, const char *zinstance)
[31e48a3]722{
[be0a79f]723#ifdef HAVE_LIBZEPHYR
[3ef779b]724  send_zephyr("PING", "", zclass, zinstance, to, "");
[be0a79f]725#endif
[7d4fbcd]726}
727
[be0a79f]728#ifdef HAVE_LIBZEPHYR
[1077891a]729void owl_zephyr_handle_ack(const ZNotice_t *retnotice)
[31e48a3]730{
[7d4fbcd]731  char *tmp;
732 
733  /* if it's an HMACK ignore it */
734  if (retnotice->z_kind == HMACK) return;
[aecf3e6]735
[7d4fbcd]736  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]737    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]738  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]739    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]740  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
741    if (!strcasecmp(retnotice->z_opcode, "ping")) {
742      return;
743    } else {
[d73e3af]744      if (strcasecmp(retnotice->z_recipient, ""))
[1e550b2]745      { /* personal */
[d73e3af]746        tmp=short_zuser(retnotice->z_recipient);
747        if(!strcasecmp(retnotice->z_class, "message") &&
748           !strcasecmp(retnotice->z_class_inst, "personal")) {
749          owl_function_makemsg("Message sent to %s.", tmp);
[1e550b2]750        } else if(!strcasecmp(retnotice->z_class, "message")) { /* instanced, but not classed, personal */
[d73e3af]751          owl_function_makemsg("Message sent to %s on -i %s\n", tmp, retnotice->z_class_inst);
[1e550b2]752        } else { /* classed personal */
[d73e3af]753          owl_function_makemsg("Message sent to %s on -c %s -i %s\n", tmp, retnotice->z_class, retnotice->z_class_inst);
754        }
[ddbbcffa]755        g_free(tmp);
[d73e3af]756      } else {
[1e550b2]757        /* class / instance message */
[d73e3af]758          owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
759      }
[7d4fbcd]760    }
761  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
[44f32fb]762    if (retnotice->z_recipient == NULL
[60c2e1e]763        || *retnotice->z_recipient == 0
[44f32fb]764        || *retnotice->z_recipient == '@') {
[e3a75ed]765      char *buff;
[44f32fb]766      owl_function_error("No one subscribed to class %s", retnotice->z_class);
[e3a75ed]767      buff = g_strdup_printf("Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]768      owl_function_adminmsg("", buff);
[e3a75ed]769      g_free(buff);
[7d4fbcd]770    } else {
[e3a75ed]771      char *buff;
[24ccc01]772      owl_zwrite zw;
773      char *realm;
774
[4b464a4]775      tmp = short_zuser(retnotice->z_recipient);
[44f32fb]776      owl_function_error("%s: Not logged in or subscribing.", tmp);
[3ef779b]777      /*
778       * These error messages are often over 80 chars, but users who want to
779       * see the whole thing can scroll to the side, and for those with wide
780       * terminals or who don't care, not splitting saves a line in the UI
781       */
782      if(strcasecmp(retnotice->z_class, "message")) {
[e3a75ed]783        buff = g_strdup_printf(
[10e3963]784                 "Could not send message to %s: "
[3ef779b]785                 "not logged in or subscribing to class %s, instance %s.\n",
[10e3963]786                 tmp,
[1151f0b]787                 retnotice->z_class,
788                 retnotice->z_class_inst);
[3ef779b]789      } else if(strcasecmp(retnotice->z_class_inst, "personal")) {
[e3a75ed]790        buff = g_strdup_printf(
[3ef779b]791                 "Could not send message to %s: "
792                 "not logged in or subscribing to instance %s.\n",
793                 tmp,
794                 retnotice->z_class_inst);
[44f32fb]795      } else {
[e3a75ed]796        buff = g_strdup_printf(
[10e3963]797                 "Could not send message to %s: "
798                 "not logged in or subscribing to messages.\n",
799                 tmp);
[44f32fb]800      }
[9119a47]801      owl_function_adminmsg("", buff);
[24ccc01]802
803      memset(&zw, 0, sizeof(zw));
[d4927a7]804      zw.class = g_strdup(retnotice->z_class);
805      zw.inst  = g_strdup(retnotice->z_class_inst);
[24ccc01]806      realm = strchr(retnotice->z_recipient, '@');
807      if(realm) {
[d4927a7]808        zw.realm = g_strdup(realm + 1);
[24ccc01]809      } else {
[d4927a7]810        zw.realm = g_strdup(owl_zephyr_get_realm());
[24ccc01]811      }
[d4927a7]812      zw.opcode = g_strdup(retnotice->z_opcode);
813      zw.zsig   = g_strdup("");
[24ccc01]814      owl_list_create(&(zw.recips));
[d4927a7]815      owl_list_append_element(&(zw.recips), g_strdup(tmp));
[24ccc01]816
817      owl_log_outgoing_zephyr_error(&zw, buff);
818
[c230bc1]819      owl_zwrite_cleanup(&zw);
[e3a75ed]820      g_free(buff);
[ddbbcffa]821      g_free(tmp);
[7d4fbcd]822    }
823  } else {
[ec6ff52]824    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]825  }
826}
[09489b89]827#else
[1077891a]828void owl_zephyr_handle_ack(const void *retnotice)
[09489b89]829{
830}
[be0a79f]831#endif
[7d4fbcd]832
[be0a79f]833#ifdef HAVE_LIBZEPHYR
[1077891a]834int owl_zephyr_notice_is_ack(const ZNotice_t *n)
[31e48a3]835{
[7d4fbcd]836  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
837    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
838    return(1);
839  }
840  return(0);
841}
[09489b89]842#else
[1077891a]843int owl_zephyr_notice_is_ack(const void *n)
[09489b89]844{
845  return(0);
846}
[be0a79f]847#endif
[7d4fbcd]848 
[c08c70a]849void owl_zephyr_zaway(const owl_message *m)
[31e48a3]850{
[be0a79f]851#ifdef HAVE_LIBZEPHYR
[7c8060d0]852  char *tmpbuff, *myuser, *to;
[15b34fd]853  owl_message *mout;
[987cf3f]854  owl_zwrite *z;
[7d4fbcd]855 
[aa2f6364]856  /* bail if it doesn't look like a message we should reply to.  Some
[2de4f20]857   * of this defined by the way zaway(1) works
858   */
[7d4fbcd]859  if (strcasecmp(owl_message_get_class(m), "message")) return;
860  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
861  if (!strcasecmp(owl_message_get_sender(m), "")) return;
862  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
863  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]864  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]865  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
[9854278]866  if (owl_message_get_attribute_value(m, "isauto")) return;
[7d4fbcd]867
[7c8060d0]868  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]869    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]870  } else {
[d4927a7]871    to=g_strdup(owl_message_get_sender(m));
[7c8060d0]872  }
873
[7d4fbcd]874  send_zephyr("",
875              "Automated reply:",
876              owl_message_get_class(m),
877              owl_message_get_instance(m),
[7c8060d0]878              to,
[7d4fbcd]879              owl_global_get_zaway_msg(&g));
880
[7c8060d0]881  myuser=short_zuser(to);
[aa2f6364]882  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
[eb8d9c1]883    tmpbuff = owl_string_build_quoted("zwrite %q", myuser);
[aa2f6364]884  } else {
[eb8d9c1]885    tmpbuff = owl_string_build_quoted("zwrite -i %q %q", owl_message_get_instance(m), myuser);
[aa2f6364]886  }
[ddbbcffa]887  g_free(myuser);
888  g_free(to);
[aa2f6364]889
[987cf3f]890  z = owl_zwrite_new(tmpbuff);
[bb85767]891  g_free(tmpbuff);
892  if (z == NULL) {
893    owl_function_error("Error creating outgoing zephyr.");
894    return;
895  }
[987cf3f]896  owl_zwrite_set_message(z, owl_global_get_zaway_msg(&g));
897  owl_zwrite_set_zsig(z, "Automated reply:");
898
[7d4fbcd]899  /* display the message as an admin message in the receive window */
[987cf3f]900  mout=owl_function_make_outgoing_zephyr(z);
[13a3c1db]901  owl_global_messagequeue_addmsg(&g, mout);
[987cf3f]902  owl_zwrite_delete(z);
[be0a79f]903#endif
[7d4fbcd]904}
905
[be0a79f]906#ifdef HAVE_LIBZEPHYR
[31e48a3]907void owl_zephyr_hackaway_cr(ZNotice_t *n)
908{
[7d4fbcd]909  /* replace \r's with ' '.  Gross-ish */
910  int i;
911
912  for (i=0; i<n->z_message_len; i++) {
913    if (n->z_message[i]=='\r') {
914      n->z_message[i]=' ';
915    }
916  }
917}
[be0a79f]918#endif
[7d4fbcd]919
[dca3b27]920char *owl_zephyr_zlocate(const char *user, int auth)
[31e48a3]921{
[be0a79f]922#ifdef HAVE_LIBZEPHYR
[7d4fbcd]923  int ret, numlocs;
924  int one = 1;
925  ZLocations_t locations;
926  char *myuser;
[dca3b27]927  char *p, *result;
928
[8262340]929  ZResetAuthentication();
[dca3b27]930  ret = ZLocateUser(zstr(user), &numlocs, auth ? ZAUTH : ZNOAUTH);
931  if (ret != ZERR_NONE)
[3472845]932    return g_strdup_printf("Error locating user %s: %s\n",
933                           user, error_message(ret));
[dca3b27]934
935  myuser = short_zuser(user);
936  if (numlocs == 0) {
[3472845]937    result = g_strdup_printf("%s: Hidden or not logged in\n", myuser);
[dca3b27]938  } else {
[d4927a7]939    result = g_strdup("");
[dca3b27]940    for (; numlocs; numlocs--) {
941      ZGetLocations(&locations, &one);
[3472845]942      p = g_strdup_printf("%s%s: %s\t%s\t%s\n",
[dca3b27]943                          result, myuser,
944                          locations.host ? locations.host : "?",
945                          locations.tty ? locations.tty : "?",
946                          locations.time ? locations.time : "?");
[ddbbcffa]947      g_free(result);
[dca3b27]948      result = p;
949    }
[7d4fbcd]950  }
[ddbbcffa]951  g_free(myuser);
[7d4fbcd]952
[dca3b27]953  return result;
954#else
[d4927a7]955  return g_strdup("");
[be0a79f]956#endif
[7d4fbcd]957}
[bde7714]958
[e19eb97]959void owl_zephyr_addsub(const char *filename, const char *class, const char *inst, const char *recip)
[31e48a3]960{
[be0a79f]961#ifdef HAVE_LIBZEPHYR
[b7ee89b]962  char *line, *subsfile, *s = NULL;
[bde7714]963  FILE *file;
[b7ee89b]964  int duplicate = 0;
[bde7714]965
[b7ee89b]966  line = owl_zephyr_makesubline(class, inst, recip);
[6ea3890]967  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[bde7714]968
[74037d9]969  /* if the file already exists, check to see if the sub is already there */
[b7ee89b]970  file = fopen(subsfile, "r");
[74037d9]971  if (file) {
[b7ee89b]972    while (owl_getline(&s, file)) {
973      if (strcasecmp(s, line) == 0) {
[74037d9]974        owl_function_error("Subscription already present in %s", subsfile);
[b7ee89b]975        duplicate++;
[74037d9]976      }
[bde7714]977    }
[99dabee]978    fclose(file);
[ddbbcffa]979    g_free(s);
[bde7714]980  }
981
[b7ee89b]982  if (!duplicate) {
983    file = fopen(subsfile, "a");
984    if (file) {
985      fputs(line, file);
986      fclose(file);
987      owl_function_makemsg("Subscription added");
988    } else {
989      owl_function_error("Error opening file %s for writing", subsfile);
990    }
[bde7714]991  }
[b7ee89b]992
[ddbbcffa]993  g_free(line);
[be0a79f]994#endif
[bde7714]995}
996
[e19eb97]997void owl_zephyr_delsub(const char *filename, const char *class, const char *inst, const char *recip)
[31e48a3]998{
[be0a79f]999#ifdef HAVE_LIBZEPHYR
[b2a91b6]1000  char *line, *subsfile;
[da60ba9]1001  int linesdeleted;
[bde7714]1002 
1003  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]1004  line[strlen(line)-1]='\0';
[bde7714]1005
[6ea3890]1006  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[b2a91b6]1007 
[da60ba9]1008  linesdeleted = owl_util_file_deleteline(subsfile, line, 1);
1009  if (linesdeleted > 0) {
1010    owl_function_makemsg("Subscription removed");
[5fca55f]1011  } else if (linesdeleted == 0) {
[da60ba9]1012    owl_function_error("No subscription present in %s", subsfile);
1013  }
[ddbbcffa]1014  g_free(subsfile);
1015  g_free(line);
[be0a79f]1016#endif
[bde7714]1017}
1018
[b2a91b6]1019/* caller must free the return */
[e19eb97]1020char *owl_zephyr_makesubline(const char *class, const char *inst, const char *recip)
[31e48a3]1021{
[3472845]1022  return g_strdup_printf("%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
[bde7714]1023}
[31e48a3]1024
1025
1026void owl_zephyr_zlog_in(void)
1027{
[be0a79f]1028#ifdef HAVE_LIBZEPHYR
[e19eb97]1029  const char *exposure, *eset;
[31e48a3]1030  int ret;
1031
1032  ZResetAuthentication();
1033   
1034  eset=EXPOSE_REALMVIS;
[712caac]1035  exposure=ZGetVariable(zstr("exposure"));
[31e48a3]1036  if (exposure==NULL) {
1037    eset=EXPOSE_REALMVIS;
1038  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
1039    eset = EXPOSE_NONE;
1040  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
1041    eset = EXPOSE_OPSTAFF;
1042  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
1043    eset = EXPOSE_REALMVIS;
1044  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
1045    eset = EXPOSE_REALMANN;
1046  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
1047    eset = EXPOSE_NETVIS;
1048  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
1049    eset = EXPOSE_NETANN;
1050  }
1051   
[712caac]1052  ret=ZSetLocation(zstr(eset));
[31e48a3]1053  if (ret != ZERR_NONE) {
1054    /*
[e440602]1055      owl_function_makemsg("Error setting location: %s", error_message(ret));
[31e48a3]1056    */
1057  }
[be0a79f]1058#endif
[31e48a3]1059}
1060
1061void owl_zephyr_zlog_out(void)
1062{
[be0a79f]1063#ifdef HAVE_LIBZEPHYR
[31e48a3]1064  int ret;
1065
1066  ZResetAuthentication();
1067  ret=ZUnsetLocation();
1068  if (ret != ZERR_NONE) {
1069    /*
[e440602]1070      owl_function_makemsg("Error unsetting location: %s", error_message(ret));
[31e48a3]1071    */
1072  }
[be0a79f]1073#endif
[31e48a3]1074}
1075
[e19eb97]1076void owl_zephyr_addbuddy(const char *name)
[65ad073]1077{
1078  char *filename;
1079  FILE *file;
1080 
[6ea3890]1081  filename = owl_zephyr_dotfile(".anyone", NULL);
1082  file = fopen(filename, "a");
[ddbbcffa]1083  g_free(filename);
[65ad073]1084  if (!file) {
[ec6ff52]1085    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]1086    return;
1087  }
1088  fprintf(file, "%s\n", name);
1089  fclose(file);
1090}
1091
[e19eb97]1092void owl_zephyr_delbuddy(const char *name)
[65ad073]1093{
1094  char *filename;
1095
[6ea3890]1096  filename = owl_zephyr_dotfile(".anyone", NULL);
[65ad073]1097  owl_util_file_deleteline(filename, name, 0);
[ddbbcffa]1098  g_free(filename);
[65ad073]1099}
[9381782]1100
1101/* return auth string */
[09489b89]1102#ifdef HAVE_LIBZEPHYR
[1077891a]1103const char *owl_zephyr_get_authstr(const ZNotice_t *n)
[9381782]1104{
1105
[f12d199]1106  if (!n) return("UNKNOWN");
1107
1108  if (n->z_auth == ZAUTH_FAILED) {
[9381782]1109    return ("FAILED");
[f12d199]1110  } else if (n->z_auth == ZAUTH_NO) {
[9381782]1111    return ("NO");
[f12d199]1112  } else if (n->z_auth == ZAUTH_YES) {
[9381782]1113    return ("YES");
1114  } else {
1115    return ("UNKNOWN");
[f12d199]1116  }           
[9381782]1117}
[09489b89]1118#else
[1077891a]1119const char *owl_zephyr_get_authstr(const void *n)
[09489b89]1120{
1121  return("");
1122}
1123#endif
[9381782]1124
[2de4f20]1125/* Returns a buffer of subscriptions or an error message.  Caller must
1126 * free the return.
[09489b89]1127 */
[c79a047]1128char *owl_zephyr_getsubs(void)
[09489b89]1129{
1130#ifdef HAVE_LIBZEPHYR
[c73a22d]1131  Code_t ret;
1132  int num, i, one;
[09489b89]1133  ZSubscription_t sub;
[df3a1f4]1134  GString *buf;
[09489b89]1135
[c73a22d]1136  ret = ZRetrieveSubscriptions(0, &num);
1137  if (ret != ZERR_NONE)
1138    return g_strdup_printf("Zephyr: Requesting subscriptions: %s\n", error_message(ret));
1139  if (num == 0)
1140    return g_strdup("Zephyr: No subscriptions retrieved\n");
[09489b89]1141
[df3a1f4]1142  buf = g_string_new("");
[09489b89]1143  for (i=0; i<num; i++) {
[df3a1f4]1144    one = 1;
[09489b89]1145    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1146      ZFlushSubscriptions();
[df3a1f4]1147      g_string_free(buf, true);
[c73a22d]1148      return g_strdup_printf("Zephyr: Getting subscriptions: %s\n", error_message(ret));
[09489b89]1149    } else {
[df3a1f4]1150      /* g_string_append_printf would be backwards. */
[3472845]1151      char *tmp = g_strdup_printf("<%s,%s,%s>\n",
1152                                  sub.zsub_class,
1153                                  sub.zsub_classinst,
1154                                  sub.zsub_recipient);
[df3a1f4]1155      g_string_prepend(buf, tmp);
[ddbbcffa]1156      g_free(tmp);
[09489b89]1157    }
1158  }
1159
1160  ZFlushSubscriptions();
[df3a1f4]1161  return g_string_free(buf, false);
[09489b89]1162#else
[d4927a7]1163  return(g_strdup("Zephyr not available"));
[09489b89]1164#endif
1165}
1166
[e19eb97]1167const char *owl_zephyr_get_variable(const char *var)
[09489b89]1168{
1169#ifdef HAVE_LIBZEPHYR
[712caac]1170  return(ZGetVariable(zstr(var)));
[09489b89]1171#else
1172  return("");
1173#endif
1174}
1175
[e19eb97]1176void owl_zephyr_set_locationinfo(const char *host, const char *val)
[09489b89]1177{
1178#ifdef HAVE_LIBZEPHYR
[712caac]1179  ZInitLocationInfo(zstr(host), zstr(val));
[09489b89]1180#endif
1181}
1182 
[e3d9c77]1183/* Strip a local realm fron the zephyr user name.
1184 * The caller must free the return
1185 */
[e19eb97]1186char *short_zuser(const char *in)
[e3d9c77]1187{
1188  char *out, *ptr;
1189
[d4927a7]1190  out=g_strdup(in);
[e3d9c77]1191  ptr=strchr(out, '@');
1192  if (ptr) {
1193    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
1194      *ptr='\0';
1195    }
1196  }
1197  return(out);
1198}
1199
1200/* Append a local realm to the zephyr user name if necessary.
1201 * The caller must free the return.
1202 */
[e19eb97]1203char *long_zuser(const char *in)
[e3d9c77]1204{
[1971b59]1205  if (strchr(in, '@')) {
[d4927a7]1206    return(g_strdup(in));
[e3d9c77]1207  }
[3472845]1208  return(g_strdup_printf("%s@%s", in, owl_zephyr_get_realm()));
[e3d9c77]1209}
1210
1211/* strip out the instance from a zsender's principal.  Preserves the
[9d21120]1212 * realm if present.  Leave host/ and daemon/ krb5 principals
1213 * alone. Also leave rcmd. and daemon. krb4 principals alone. The
1214 * caller must free the return.
[e3d9c77]1215 */
[e19eb97]1216char *owl_zephyr_smartstripped_user(const char *in)
[e3d9c77]1217{
[9d21120]1218  char *slash, *dot, *realm, *out;
[e3d9c77]1219
[d4927a7]1220  out = g_strdup(in);
[e3d9c77]1221
1222  /* bail immeaditly if we don't have to do any work */
[9d21120]1223  slash = strchr(out, '/');
1224  dot = strchr(out, '.');
1225  if (!slash && !dot) {
[e3d9c77]1226    return(out);
1227  }
[9d21120]1228
1229  if (!strncasecmp(out, OWL_ZEPHYR_NOSTRIP_HOST, strlen(OWL_ZEPHYR_NOSTRIP_HOST)) ||
1230      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_RCMD, strlen(OWL_ZEPHYR_NOSTRIP_RCMD)) ||
1231      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON5, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON5)) ||
1232      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON4, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON4))) {
[e3d9c77]1233    return(out);
1234  }
[9d21120]1235
1236  realm = strchr(out, '@');
1237  if (!slash && dot && realm && (dot > realm)) {
1238    /* There's no '/', and the first '.' is in the realm */
[e3d9c77]1239    return(out);
1240  }
1241
[fa4562c]1242  /* remove the realm from out, but hold on to it */
[e3d9c77]1243  if (realm) realm[0]='\0';
1244
1245  /* strip */
[9d21120]1246  if (slash) slash[0] = '\0';  /* krb5 style user/instance */
1247  else if (dot) dot[0] = '\0'; /* krb4 style user.instance */
[e3d9c77]1248
1249  /* reattach the realm if we had one */
1250  if (realm) {
1251    strcat(out, "@");
1252    strcat(out, realm+1);
1253  }
1254
1255  return(out);
1256}
[5a95b69]1257
1258/* read the list of users in 'filename' as a .anyone file, and put the
1259 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1260 * use the default .anyone file in the users home directory.  Returns
1261 * -1 on failure, 0 on success.
1262 */
[e19eb97]1263int owl_zephyr_get_anyone_list(owl_list *in, const char *filename)
[5a95b69]1264{
1265#ifdef HAVE_LIBZEPHYR
[b7ee89b]1266  char *ourfile, *tmp, *s = NULL;
[5a95b69]1267  FILE *f;
1268
[6ea3890]1269  ourfile = owl_zephyr_dotfile(".anyone", filename);
[b7ee89b]1270
1271  f = fopen(ourfile, "r");
[5a95b69]1272  if (!f) {
1273    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
[ddbbcffa]1274    g_free(ourfile);
[b7ee89b]1275    return -1;
[5a95b69]1276  }
[ddbbcffa]1277  g_free(ourfile);
[5a95b69]1278
[b7ee89b]1279  while (owl_getline_chomp(&s, f)) {
[5a95b69]1280    /* ignore comments, blank lines etc. */
[b7ee89b]1281    if (s[0] == '#' || s[0] == '\0')
1282      continue;
1283
1284    /* ignore from # on */
1285    tmp = strchr(s, '#');
1286    if (tmp)
1287      tmp[0] = '\0';
1288
1289    /* ignore from SPC */
1290    tmp = strchr(s, ' ');
1291    if (tmp)
1292      tmp[0] = '\0';
1293
1294    owl_list_append_element(in, long_zuser(s));
[5a95b69]1295  }
[ddbbcffa]1296  g_free(s);
[5a95b69]1297  fclose(f);
[b7ee89b]1298  return 0;
[5a95b69]1299#else
[b7ee89b]1300  return -1;
[5a95b69]1301#endif
1302}
[13a3c1db]1303
[f25812b]1304#ifdef HAVE_LIBZEPHYR
1305void owl_zephyr_process_pseudologin(ZNotice_t *n)
1306{
1307  owl_message *m;
1308  owl_zbuddylist *zbl;
1309  GList **zaldlist;
1310  GList *zaldptr;
1311  ZAsyncLocateData_t *zald = NULL;
1312  ZLocations_t location;
1313  int numlocs, ret, notify;
1314
1315  /* Find a ZALD to match this notice. */
1316  zaldlist = owl_global_get_zaldlist(&g);
1317  zaldptr = g_list_first(*zaldlist);
1318  while (zaldptr) {
1319    if (ZCompareALDPred(n, zaldptr->data)) {
1320      zald = zaldptr->data;
1321      *zaldlist = g_list_remove(*zaldlist, zaldptr->data);
1322      break;
1323    }
1324    zaldptr = g_list_next(zaldptr);
1325  }
1326  if (zald) {
1327    /* Deal with notice. */
1328    notify = owl_global_get_pseudologin_notify(&g);
1329    zbl = owl_global_get_zephyr_buddylist(&g);
1330    ret = ZParseLocations(n, zald, &numlocs, NULL);
1331    if (ret == ZERR_NONE) {
1332      if (numlocs > 0 && !owl_zbuddylist_contains_user(zbl, zald->user)) {
1333        if (notify) {
1334          numlocs = 1;
1335          ret = ZGetLocations(&location, &numlocs);
1336          if (ret == ZERR_NONE) {
1337            /* Send a PSEUDO LOGIN! */
[96828e4]1338            m = g_new(owl_message, 1);
[f25812b]1339            owl_message_create_pseudo_zlogin(m, 0, zald->user,
1340                                             location.host,
1341                                             location.time,
1342                                             location.tty);
1343            owl_global_messagequeue_addmsg(&g, m);
1344          }
1345          owl_zbuddylist_adduser(zbl, zald->user);
1346          owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", zald->user);
1347        }
1348      } else if (numlocs == 0 && owl_zbuddylist_contains_user(zbl, zald->user)) {
1349        /* Send a PSEUDO LOGOUT! */
1350        if (notify) {
[96828e4]1351          m = g_new(owl_message, 1);
[f25812b]1352          owl_message_create_pseudo_zlogin(m, 1, zald->user, "", "", "");
1353          owl_global_messagequeue_addmsg(&g, m);
1354        }
1355        owl_zbuddylist_deluser(zbl, zald->user);
1356        owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ", zald->user);
1357      }
1358    }
1359    ZFreeALD(zald);
[ddbbcffa]1360    g_free(zald);
[f25812b]1361  }
1362}
1363#else
1364void owl_zephyr_process_pseudologin(void *n)
1365{
1366}
1367#endif
1368
[3687413]1369void owl_zephyr_buddycheck_timer(owl_timer *t, void *data)
1370{
1371  if (owl_global_is_pseudologins(&g)) {
1372    owl_function_debugmsg("Doing zephyr buddy check");
1373    owl_function_zephyr_buddy_check(1);
1374  } else {
1375    owl_function_debugmsg("Warning: owl_zephyr_buddycheck_timer call pointless; timer should have been disabled");
1376  }
1377}
1378
[12e291a]1379/*
1380 * Process zephyrgrams from libzephyr's queue. To prevent starvation,
1381 * process a maximum of OWL_MAX_ZEPHYRGRAMS_TO_PROCESS.
1382 *
1383 * Returns the number of zephyrgrams processed.
1384 */
1385
1386#define OWL_MAX_ZEPHYRGRAMS_TO_PROCESS 20
1387
[e9c6fc8]1388static int _owl_zephyr_process_events(void)
[12e291a]1389{
[13a3c1db]1390  int zpendcount=0;
[12e291a]1391#ifdef HAVE_LIBZEPHYR
[13a3c1db]1392  ZNotice_t notice;
[8ab1f28]1393  Code_t code;
[13a3c1db]1394  owl_message *m=NULL;
1395
[12e291a]1396  while(owl_zephyr_zpending() && zpendcount < OWL_MAX_ZEPHYRGRAMS_TO_PROCESS) {
[13a3c1db]1397    if (owl_zephyr_zpending()) {
[8ab1f28]1398      if ((code = ZReceiveNotice(&notice, NULL)) != ZERR_NONE) {
1399        owl_function_debugmsg("Error: %s while calling ZReceiveNotice\n",
1400                              error_message(code));
1401        continue;
1402      }
[13a3c1db]1403      zpendcount++;
1404
1405      /* is this an ack from a zephyr we sent? */
1406      if (owl_zephyr_notice_is_ack(&notice)) {
1407        owl_zephyr_handle_ack(&notice);
[46c7f5b]1408        ZFreeNotice(&notice);
[13a3c1db]1409        continue;
1410      }
1411
1412      /* if it's a ping and we're not viewing pings then skip it */
1413      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
[46c7f5b]1414        ZFreeNotice(&notice);
[13a3c1db]1415        continue;
1416      }
1417
[f25812b]1418      /* if it is a LOCATE message, it's for pseudologins. */
1419      if (strcmp(notice.z_opcode, LOCATE_LOCATE) == 0) {
1420        owl_zephyr_process_pseudologin(&notice);
1421        ZFreeNotice(&notice);
1422        continue;
1423      }
1424
[13a3c1db]1425      /* create the new message */
[96828e4]1426      m=g_new(owl_message, 1);
[13a3c1db]1427      owl_message_create_from_znotice(m, &notice);
1428
1429      owl_global_messagequeue_addmsg(&g, m);
1430    }
1431  }
[12e291a]1432#endif
1433  return zpendcount;
[13a3c1db]1434}
1435
[18fdd5f9]1436void owl_zephyr_process_events(const owl_io_dispatch *d, void *data)
[12e291a]1437{
1438  _owl_zephyr_process_events();
1439}
1440
1441int owl_zephyr_pre_select_action(owl_ps_action *a, void *p)
1442{
1443  return _owl_zephyr_process_events();
[13a3c1db]1444}
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