source: zephyr.c @ fb6e8e3

release-1.8release-1.9
Last change on this file since fb6e8e3 was bb85767, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Should owl_zwrite_new fail to parse zaway, check the result In particular, should I try to reply to my good friend '-c', I might find myself a little bit depressed. Though we ought to take care of this case otherwise.
  • Property mode set to 100644
File size: 36.3 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{
33  int ret;
[02f55dc]34  struct servent *sp;
35  struct sockaddr_in sin;
36  ZNotice_t req;
37  Code_t code;
[52a0f14]38
39  /*
40   * Code modified from libzephyr's ZhmStat.c
41   *
42   * Modified to add the fd to our select loop, rather than hanging
43   * until we get an ack.
44   */
45
46  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
47    owl_function_error("Error opening Zephyr port: %s", error_message(ret));
48    return;
49  }
[02f55dc]50
[4d86e06]51  (void) memset(&sin, 0, sizeof(struct sockaddr_in));
[02f55dc]52
53  sp = getservbyname(HM_SVCNAME, "udp");
54
55  sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
56  sin.sin_family = AF_INET;
57
58  sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
59
[4d86e06]60  (void) memset(&req, 0, sizeof(req));
[02f55dc]61  req.z_kind = STAT;
62  req.z_port = 0;
[712caac]63  req.z_class = zstr(HM_STAT_CLASS);
64  req.z_class_inst = zstr(HM_STAT_CLIENT);
65  req.z_opcode = zstr(HM_GIMMESTATS);
66  req.z_sender = zstr("");
67  req.z_recipient = zstr("");
68  req.z_default_format = zstr("");
[02f55dc]69  req.z_message_len = 0;
[52a0f14]70
71  if ((code = ZSetDestAddr(&sin)) != ZERR_NONE) {
72    owl_function_error("Initializing Zephyr: %s", error_message(code));
73    return;
74  }
75
76  if ((code = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE) {
77    owl_function_error("Initializing Zephyr: %s", error_message(code));
78    return;
79  }
80
[18fdd5f9]81  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_finish_initialization, NULL, NULL);
[02f55dc]82}
83
[18fdd5f9]84void owl_zephyr_finish_initialization(const owl_io_dispatch *d, void *data) {
[52a0f14]85  Code_t code;
[df569c5]86  char *perl;
[52a0f14]87
[18fdd5f9]88  owl_select_remove_io_dispatch(d);
[52a0f14]89
90  ZClosePort();
91
92  if ((code = ZInitialize()) != ZERR_NONE) {
93    owl_function_error("Initializing Zephyr: %s", error_message(code));
94    return;
95  }
96
97  if ((code = ZOpenPort(NULL)) != ZERR_NONE) {
98    owl_function_error("Initializing Zephyr: %s", error_message(code));
99    return;
100  }
101
[18fdd5f9]102  owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_process_events, NULL, NULL);
103
[52a0f14]104  owl_global_set_havezephyr(&g);
105
106  if(g.load_initial_subs) {
107    owl_zephyr_load_initial_subs();
108  }
[a5e7ed6]109  while(deferred_subs != NULL) {
110    owl_sub_list *subs = deferred_subs->data;
111    owl_function_debugmsg("Loading %d deferred subs.", subs->nsubs);
112    owl_zephyr_loadsubs_helper(subs->subs, subs->nsubs);
113    deferred_subs = g_list_delete_link(deferred_subs, deferred_subs);
[ddbbcffa]114    g_free(subs);
[a5e7ed6]115  }
[619d864]116
117  /* zlog in if we need to */
118  if (owl_global_is_startuplogin(&g)) {
119    owl_function_debugmsg("startup: doing zlog in");
120    owl_zephyr_zlog_in();
121  }
[27964fe]122  /* check pseudo-logins if we need to */
123  if (owl_global_is_pseudologins(&g)) {
124    owl_function_debugmsg("startup: checking pseudo-logins");
125    owl_function_zephyr_buddy_check(0);
126  }
[df569c5]127
[12e291a]128  perl = owl_perlconfig_execute("BarnOwl::Zephyr::_zephyr_startup()");
[ddbbcffa]129  g_free(perl);
[12e291a]130
131  owl_select_add_pre_select_action(owl_zephyr_pre_select_action, NULL, NULL);
[52a0f14]132}
133
[c79a047]134void owl_zephyr_load_initial_subs(void) {
[7451af9]135  int ret_sd, ret_bd, ret_u;
[52a0f14]136
137  owl_function_debugmsg("startup: loading initial zephyr subs");
138
139  /* load default subscriptions */
[7451af9]140  ret_sd = owl_zephyr_loaddefaultsubs();
141
142  /* load Barnowl default subscriptions */
143  ret_bd = owl_zephyr_loadbarnowldefaultsubs();
[52a0f14]144
145  /* load subscriptions from subs file */
[7451af9]146  ret_u = owl_zephyr_loadsubs(NULL, 0);
[52a0f14]147
[7451af9]148  if (ret_sd || ret_bd || ret_u) {
[52a0f14]149    owl_function_error("Error loading zephyr subscriptions");
150  }
151
152  /* load login subscriptions */
153  if (owl_global_is_loginsubs(&g)) {
154    owl_function_debugmsg("startup: loading login subs");
155    owl_function_loadloginsubs(NULL);
156  }
157}
158#else
[c79a047]159void owl_zephyr_initialize(void)
[52a0f14]160{
161}
[02f55dc]162#endif
163
[52a0f14]164
[c79a047]165int owl_zephyr_shutdown(void)
[09489b89]166{
167#ifdef HAVE_LIBZEPHYR
[bfbf590]168  if(owl_global_is_havezephyr(&g)) {
169    unsuball();
170    ZClosePort();
171  }
[09489b89]172#endif
[32ad44d]173  return 0;
[be0a79f]174}
175
[c79a047]176int owl_zephyr_zpending(void)
[be0a79f]177{
178#ifdef HAVE_LIBZEPHYR
[8ab1f28]179  Code_t code;
180  if(owl_global_is_havezephyr(&g)) {
181    if((code = ZPending()) < 0) {
182      owl_function_debugmsg("Error (%s) in ZPending()\n",
183                            error_message(code));
184      return 0;
185    }
186    return code;
187  }
[be0a79f]188#endif
[32ad44d]189  return 0;
[be0a79f]190}
191
[c79a047]192const char *owl_zephyr_get_realm(void)
[09489b89]193{
194#ifdef HAVE_LIBZEPHYR
[32ad44d]195  if (owl_global_is_havezephyr(&g))
196    return(ZGetRealm());
[09489b89]197#endif
[32ad44d]198  return "";
[09489b89]199}
200
[c79a047]201const char *owl_zephyr_get_sender(void)
[09489b89]202{
203#ifdef HAVE_LIBZEPHYR
[32ad44d]204  if (owl_global_is_havezephyr(&g))
205    return(ZGetSender());
[09489b89]206#endif
[32ad44d]207  return "";
[09489b89]208}
209
[f6050ee]210#ifdef HAVE_LIBZEPHYR
[93e883d]211int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
212{
[18105584]213  int ret = 0;
[a5e7ed6]214  if (owl_global_is_havezephyr(&g)) {
215    int i;
216    /* sub without defaults */
217    if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
218      owl_function_error("Error subscribing to zephyr notifications.");
219      ret=-2;
220    }
[93e883d]221
[a5e7ed6]222    /* free stuff */
223    for (i=0; i<count; i++) {
[ddbbcffa]224      g_free(subs[i].zsub_class);
225      g_free(subs[i].zsub_classinst);
226      g_free(subs[i].zsub_recipient);
[a5e7ed6]227    }
[bb2c60d]228
[ddbbcffa]229    g_free(subs);
[a5e7ed6]230  } else {
[96828e4]231    owl_sub_list *s = g_new(owl_sub_list, 1);
[a5e7ed6]232    s->subs = subs;
233    s->nsubs = count;
234    deferred_subs = g_list_append(deferred_subs, s);
235  }
[d21efbc]236
[93e883d]237  return ret;
238}
[f6050ee]239#endif
[93e883d]240
[7451af9]241/* Load zephyr subscriptions from 'filename'.  If 'filename' is NULL,
[95474d7]242 * the default file $HOME/.zephyr.subs will be used.
243 *
244 * Returns 0 on success.  If the file does not exist, return -1 if
245 * 'error_on_nofile' is 1, otherwise return 0.  Return -1 if the file
246 * exists but can not be read.  Return -2 if there is a failure from
247 * zephyr to load the subscriptions.
[2de4f20]248 */
[e19eb97]249int owl_zephyr_loadsubs(const char *filename, int error_on_nofile)
[31e48a3]250{
[be0a79f]251#ifdef HAVE_LIBZEPHYR
[7d4fbcd]252  FILE *file;
253  char *tmp, *start;
[b7ee89b]254  char *buffer = NULL;
255  char *subsfile;
[bb2c60d]256  ZSubscription_t *subs;
257  int subSize = 1024;
[b7ee89b]258  int count;
[4357be8]259  struct stat statbuff;
[7d4fbcd]260
[96828e4]261  subs = g_new(ZSubscription_t, subSize);
[6ea3890]262  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[b7ee89b]263
264  if (stat(subsfile, &statbuff) != 0) {
[ddbbcffa]265    g_free(subsfile);
[b7ee89b]266    if (error_on_nofile == 1)
267      return -1;
268    return 0;
[95474d7]269  }
[4357be8]270
[8262340]271  ZResetAuthentication();
[b7ee89b]272  count = 0;
273  file = fopen(subsfile, "r");
[ddbbcffa]274  g_free(subsfile);
[b7ee89b]275  if (!file)
276    return -1;
277  while (owl_getline(&buffer, file)) {
278    if (buffer[0] == '#' || buffer[0] == '\n')
279        continue;
280
281    if (buffer[0] == '-')
282      start = buffer + 1;
283    else
284      start = buffer;
285
[bb2c60d]286    if (count >= subSize) {
[d21efbc]287      subSize *= 2;
[35b6eb9]288      subs = g_renew(ZSubscription_t, subs, subSize);
[93e883d]289    }
[95474d7]290   
291    /* add it to the list of subs */
[b7ee89b]292    if ((tmp = strtok(start, ",\n\r")) == NULL)
293      continue;
[d4927a7]294    subs[count].zsub_class = g_strdup(tmp);
[b7ee89b]295    if ((tmp=strtok(NULL, ",\n\r")) == NULL)
296      continue;
[d4927a7]297    subs[count].zsub_classinst = g_strdup(tmp);
[b7ee89b]298    if ((tmp = strtok(NULL, " \t\n\r")) == NULL)
299      continue;
[d4927a7]300    subs[count].zsub_recipient = g_strdup(tmp);
[b7ee89b]301
[bb2c60d]302    /* if it started with '-' then add it to the global punt list, and
303     * remove it from the list of subs. */
[b7ee89b]304    if (buffer[0] == '-') {
[95474d7]305      owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
[ddbbcffa]306      g_free(subs[count].zsub_class);
307      g_free(subs[count].zsub_classinst);
308      g_free(subs[count].zsub_recipient);
[b7ee89b]309    } else {
[bb2c60d]310      count++;
[95474d7]311    }
[7d4fbcd]312  }
[95474d7]313  fclose(file);
[b7ee89b]314  if (buffer)
[ddbbcffa]315    g_free(buffer);
[7d4fbcd]316
[b7ee89b]317  return owl_zephyr_loadsubs_helper(subs, count);
[7451af9]318#else
[b7ee89b]319  return 0;
[7451af9]320#endif
321}
322
323/* Load default Barnowl subscriptions
324 *
325 * Returns 0 on success.
326 * Return -2 if there is a failure from zephyr to load the subscriptions.
327 */
[c79a047]328int owl_zephyr_loadbarnowldefaultsubs(void)
[7451af9]329{
330#ifdef HAVE_LIBZEPHYR
331  ZSubscription_t *subs;
332  int subSize = 10; /* Max Barnowl default subs we allow */
333  int count, ret;
334
[96828e4]335  subs = g_new(ZSubscription_t, subSize);
[7451af9]336  ZResetAuthentication();
337  count=0;
338
[d4927a7]339  subs[count].zsub_class=g_strdup("message");
340  subs[count].zsub_classinst=g_strdup("*");
341  subs[count].zsub_recipient=g_strdup("%me%");
[7451af9]342  count++;
343
344  ret = owl_zephyr_loadsubs_helper(subs, count);
[7d4fbcd]345  return(ret);
[be0a79f]346#else
347  return(0);
348#endif
[7d4fbcd]349}
350
[c79a047]351int owl_zephyr_loaddefaultsubs(void)
[4357be8]352{
[40d834a]353#ifdef HAVE_LIBZEPHYR
[2c5ee3e]354  if (owl_global_is_havezephyr(&g)) {
355    ZSubscription_t subs[10];
[4357be8]356   
[2c5ee3e]357    if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
358      owl_function_error("Error subscribing to default zephyr notifications.");
359      return(-1);
360    }
[4357be8]361  }
362  return(0);
[40d834a]363#else
364  return(0);
365#endif
[4357be8]366}
367
[e19eb97]368int owl_zephyr_loadloginsubs(const char *filename)
[31e48a3]369{
[be0a79f]370#ifdef HAVE_LIBZEPHYR
[7d4fbcd]371  FILE *file;
[d21efbc]372  ZSubscription_t *subs;
373  int numSubs = 100;
[b7ee89b]374  char *subsfile;
375  char *buffer = NULL;
376  int count;
[4357be8]377  struct stat statbuff;
[7d4fbcd]378
[96828e4]379  subs = g_new(ZSubscription_t, numSubs);
[6ea3890]380  subsfile = owl_zephyr_dotfile(".anyone", filename);
[4357be8]381
[922f589]382  if (stat(subsfile, &statbuff) == -1) {
[ddbbcffa]383    g_free(subs);
384    g_free(subsfile);
[b7ee89b]385    return 0;
[922f589]386  }
[7d4fbcd]387
[8262340]388  ZResetAuthentication();
[b7ee89b]389  count = 0;
390  file = fopen(subsfile, "r");
[ddbbcffa]391  g_free(subsfile);
[7d4fbcd]392  if (file) {
[b7ee89b]393    while (owl_getline_chomp(&buffer, file)) {
394      if (buffer[0] == '\0' || buffer[0] == '#')
395        continue;
396
[d21efbc]397      if (count == numSubs) {
398        numSubs *= 2;
[35b6eb9]399        subs = g_renew(ZSubscription_t, subs, numSubs);
[d21efbc]400      }
[7d4fbcd]401
[d4927a7]402      subs[count].zsub_class = g_strdup("login");
403      subs[count].zsub_recipient = g_strdup("*");
[b7ee89b]404      subs[count].zsub_classinst = long_zuser(buffer);
[7d4fbcd]405
406      count++;
407    }
408    fclose(file);
409  } else {
[b7ee89b]410    return 0;
[7d4fbcd]411  }
[b7ee89b]412  if (buffer)
[ddbbcffa]413    g_free(buffer);
[7d4fbcd]414
[b7ee89b]415  return owl_zephyr_loadsubs_helper(subs, count);
[be0a79f]416#else
[b7ee89b]417  return 0;
[be0a79f]418#endif
[7d4fbcd]419}
420
[c79a047]421void unsuball(void)
[31e48a3]422{
[be0a79f]423#if HAVE_LIBZEPHYR
[7d4fbcd]424  int ret;
[8262340]425
426  ZResetAuthentication();
[7d4fbcd]427  ret=ZCancelSubscriptions(0);
428  if (ret != ZERR_NONE) {
429    com_err("owl",ret,"while unsubscribing");
430  }
[be0a79f]431#endif
[7d4fbcd]432}
433
[e19eb97]434int owl_zephyr_sub(const char *class, const char *inst, const char *recip)
[31e48a3]435{
[be0a79f]436#ifdef HAVE_LIBZEPHYR
[7d4fbcd]437  ZSubscription_t subs[5];
438
[712caac]439  subs[0].zsub_class=zstr(class);
440  subs[0].zsub_classinst=zstr(inst);
441  subs[0].zsub_recipient=zstr(recip);
[7d4fbcd]442
[8262340]443  ZResetAuthentication();
[7d4fbcd]444  if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]445    owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
446    return(-2);
[7d4fbcd]447  }
448  return(0);
[be0a79f]449#else
450  return(0);
451#endif
[7d4fbcd]452}
453
454
[e19eb97]455int owl_zephyr_unsub(const char *class, const char *inst, const char *recip)
[31e48a3]456{
[be0a79f]457#ifdef HAVE_LIBZEPHYR
[7d4fbcd]458  ZSubscription_t subs[5];
459
[712caac]460  subs[0].zsub_class=zstr(class);
461  subs[0].zsub_classinst=zstr(inst);
462  subs[0].zsub_recipient=zstr(recip);
[7d4fbcd]463
[8262340]464  ZResetAuthentication();
[7d4fbcd]465  if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
[97cd00be]466    owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
467    return(-2);
[7d4fbcd]468  }
469  return(0);
[be0a79f]470#else
471  return(0);
472#endif
[7d4fbcd]473}
474
[b0430a6]475/* return a pointer to the data in the Jth field, (NULL terminated by
476 * definition).  Caller must free the return.
477 */
[be0a79f]478#ifdef HAVE_LIBZEPHYR
[1077891a]479char *owl_zephyr_get_field(const ZNotice_t *n, int j)
[31e48a3]480{
[7d4fbcd]481  int i, count, save;
482
[128171a]483  /* If there's no message here, just run along now */
484  if (n->z_message_len == 0)
[d4927a7]485    return(g_strdup(""));
[128171a]486
[7d4fbcd]487  count=save=0;
488  for (i=0; i<n->z_message_len; i++) {
489    if (n->z_message[i]=='\0') {
490      count++;
491      if (count==j) {
492        /* just found the end of the field we're looking for */
[d4927a7]493        return(g_strdup(n->z_message+save));
[7d4fbcd]494      } else {
495        save=i+1;
496      }
497    }
498  }
[b0430a6]499  /* catch the last field, which might not be null terminated */
[7d4fbcd]500  if (count==j-1) {
[fc7481a]501    return g_strndup(n->z_message + save, n->z_message_len - save);
[7d4fbcd]502  }
[b0430a6]503
[d4927a7]504  return(g_strdup(""));
[7d4fbcd]505}
[5376a95]506
[1077891a]507char *owl_zephyr_get_field_as_utf8(const ZNotice_t *n, int j)
[5376a95]508{
509  int i, count, save;
510
511  /* If there's no message here, just run along now */
512  if (n->z_message_len == 0)
[d4927a7]513    return(g_strdup(""));
[5376a95]514
515  count=save=0;
516  for (i = 0; i < n->z_message_len; i++) {
517    if (n->z_message[i]=='\0') {
518      count++;
519      if (count == j) {
520        /* just found the end of the field we're looking for */
[6201646]521        return(owl_validate_or_convert(n->z_message + save));
[5376a95]522      } else {
523        save = i + 1;
524      }
525    }
526  }
527  /* catch the last field, which might not be null terminated */
528  if (count == j - 1) {
[6201646]529    char *tmp, *out;
[fc7481a]530    tmp = g_strndup(n->z_message + save, n->z_message_len - save);
[6201646]531    out = owl_validate_or_convert(tmp);
[ddbbcffa]532    g_free(tmp);
[6201646]533    return out;
[5376a95]534  }
535
[d4927a7]536  return(g_strdup(""));
[5376a95]537}
[09489b89]538#else
[701a184]539char *owl_zephyr_get_field(void *n, int j)
[09489b89]540{
[d4927a7]541  return(g_strdup(""));
[09489b89]542}
[5577606]543char *owl_zephyr_get_field_as_utf8(void *n, int j)
[5376a95]544{
545  return owl_zephyr_get_field(n, j);
546}
[be0a79f]547#endif
[7d4fbcd]548
[b0430a6]549
[be0a79f]550#ifdef HAVE_LIBZEPHYR
[1077891a]551int owl_zephyr_get_num_fields(const ZNotice_t *n)
[31e48a3]552{
[7d4fbcd]553  int i, fields;
554
[50e29e3]555  if(n->z_message_len == 0)
556    return 0;
557
[7d4fbcd]558  fields=1;
559  for (i=0; i<n->z_message_len; i++) {
560    if (n->z_message[i]=='\0') fields++;
561  }
562 
563  return(fields);
564}
[09489b89]565#else
[1077891a]566int owl_zephyr_get_num_fields(const void *n)
[09489b89]567{
568  return(0);
569}
[be0a79f]570#endif
[7d4fbcd]571
[be0a79f]572#ifdef HAVE_LIBZEPHYR
[bf73bdd]573/* return a pointer to the message, place the message length in k
574 * caller must free the return
575 */
[c08c70a]576char *owl_zephyr_get_message(const ZNotice_t *n, const owl_message *m)
[31e48a3]577{
[405d5e6]578  /* don't let ping messages have a body */
[7d4fbcd]579  if (!strcasecmp(n->z_opcode, "ping")) {
[d4927a7]580    return(g_strdup(""));
[7d4fbcd]581  }
582
[a1bb198]583  /* deal with MIT NOC messages */
[85d1795]584  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")) {
585    char *msg, *field3, *field4;
[a1bb198]586
587    field3 = owl_zephyr_get_field(n, 3);
588    field4 = owl_zephyr_get_field(n, 4);
589
[3472845]590    msg = g_strdup_printf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
[ddbbcffa]591    g_free(field3);
592    g_free(field4);
[a1bb198]593    if (msg) {
594      return msg;
595    }
596  }
[fba0f96]597  /* deal with MIT Discuss messages */
[e2a620b]598  else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4") ||
599           !strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3\nSubject: $4")) {
[fba0f96]600    char *msg, *field1, *field2, *field3, *field4, *field5;
601   
602    field1 = owl_zephyr_get_field(n, 1);
603    field2 = owl_zephyr_get_field(n, 2);
604    field3 = owl_zephyr_get_field(n, 3);
605    field4 = owl_zephyr_get_field(n, 4);
606    field5 = owl_zephyr_get_field(n, 5);
607   
[3472845]608    msg = g_strdup_printf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
[ddbbcffa]609    g_free(field1);
610    g_free(field2);
611    g_free(field3);
612    g_free(field4);
613    g_free(field5);
[fba0f96]614    if (msg) {
615      return msg;
616    }
617  }
[85d1795]618  /* deal with MIT Moira messages */
619  else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
620    char *msg, *field1;
621   
622    field1 = owl_zephyr_get_field(n, 1);
623   
[3472845]624    msg = g_strdup_printf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
[ddbbcffa]625    g_free(field1);
[85d1795]626    if (msg) {
627      return msg;
628    }
629  }
[405d5e6]630
[85d1795]631  if (owl_zephyr_get_num_fields(n) == 1) {
632    return(owl_zephyr_get_field(n, 1));
633  }
634  else {
635    return(owl_zephyr_get_field(n, 2));
636  }
[7d4fbcd]637}
[be0a79f]638#endif
[7d4fbcd]639
[be0a79f]640#ifdef HAVE_LIBZEPHYR
[1077891a]641const char *owl_zephyr_get_zsig(const ZNotice_t *n, int *k)
[31e48a3]642{
[7d4fbcd]643  /* return a pointer to the zsig if there is one */
644
[405d5e6]645  /* message length 0? No zsig */
[7d4fbcd]646  if (n->z_message_len==0) {
647    *k=0;
648    return("");
649  }
[405d5e6]650
[85d1795]651  /* If there's only one field, no zsig */
652  if (owl_zephyr_get_num_fields(n) == 1) {
653    *k=0;
[405d5e6]654    return("");
655  }
656
657  /* Everything else is field 1 */
[7d4fbcd]658  *k=strlen(n->z_message);
659  return(n->z_message);
660}
[09489b89]661#else
[1077891a]662const char *owl_zephyr_get_zsig(const void *n, int *k)
[09489b89]663{
664  return("");
665}
[be0a79f]666#endif
[7d4fbcd]667
[e19eb97]668int send_zephyr(const char *opcode, const char *zsig, const char *class, const char *instance, const char *recipient, const char *message)
[31e48a3]669{
[be0a79f]670#ifdef HAVE_LIBZEPHYR
[7d4fbcd]671  int ret;
672  ZNotice_t notice;
673   
674  memset(&notice, 0, sizeof(notice));
675
[8262340]676  ZResetAuthentication();
[8ba37ec]677
678  if (!zsig) zsig="";
[8262340]679 
[7d4fbcd]680  notice.z_kind=ACKED;
681  notice.z_port=0;
[712caac]682  notice.z_class=zstr(class);
683  notice.z_class_inst=zstr(instance);
[21882032]684  notice.z_sender=NULL;
[7d4fbcd]685  if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
[712caac]686    notice.z_recipient=zstr("");
[21882032]687    if (*owl_global_get_zsender(&g))
[712caac]688        notice.z_sender=zstr(owl_global_get_zsender(&g));
[7d4fbcd]689  } else {
[712caac]690    notice.z_recipient=zstr(recipient);
[7d4fbcd]691  }
[712caac]692  notice.z_default_format=zstr("Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2");
693  if (opcode) notice.z_opcode=zstr(opcode);
[7d4fbcd]694
[56330ff]695  notice.z_message_len=strlen(zsig)+1+strlen(message);
[96828e4]696  notice.z_message=g_new(char, notice.z_message_len+10);
[56330ff]697  strcpy(notice.z_message, zsig);
698  memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
[7d4fbcd]699
700  /* ret=ZSendNotice(&notice, ZAUTH); */
701  ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
702 
703  /* free then check the return */
[ddbbcffa]704  g_free(notice.z_message);
[7d4fbcd]705  ZFreeNotice(&notice);
706  if (ret!=ZERR_NONE) {
[ec6ff52]707    owl_function_error("Error sending zephyr");
[7d4fbcd]708    return(ret);
709  }
710  return(0);
[be0a79f]711#else
712  return(0);
713#endif
[7d4fbcd]714}
715
[be0a79f]716#ifdef HAVE_LIBZEPHYR
[31e48a3]717Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
718{
[7d4fbcd]719  return(ZSendPacket(buf, len, 0));
720}
[be0a79f]721#endif
[7d4fbcd]722
[e19eb97]723void send_ping(const char *to, const char *zclass, const char *zinstance)
[31e48a3]724{
[be0a79f]725#ifdef HAVE_LIBZEPHYR
[3ef779b]726  send_zephyr("PING", "", zclass, zinstance, to, "");
[be0a79f]727#endif
[7d4fbcd]728}
729
[be0a79f]730#ifdef HAVE_LIBZEPHYR
[1077891a]731void owl_zephyr_handle_ack(const ZNotice_t *retnotice)
[31e48a3]732{
[7d4fbcd]733  char *tmp;
734 
735  /* if it's an HMACK ignore it */
736  if (retnotice->z_kind == HMACK) return;
[aecf3e6]737
[7d4fbcd]738  if (retnotice->z_kind == SERVNAK) {
[ec6ff52]739    owl_function_error("Authorization failure sending zephyr");
[7d4fbcd]740  } else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
[ec6ff52]741    owl_function_error("Detected server failure while receiving acknowledgement");
[7d4fbcd]742  } else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
743    if (!strcasecmp(retnotice->z_opcode, "ping")) {
744      return;
745    } else {
[d73e3af]746      if (strcasecmp(retnotice->z_recipient, ""))
[1e550b2]747      { /* personal */
[d73e3af]748        tmp=short_zuser(retnotice->z_recipient);
749        if(!strcasecmp(retnotice->z_class, "message") &&
750           !strcasecmp(retnotice->z_class_inst, "personal")) {
751          owl_function_makemsg("Message sent to %s.", tmp);
[1e550b2]752        } else if(!strcasecmp(retnotice->z_class, "message")) { /* instanced, but not classed, personal */
[d73e3af]753          owl_function_makemsg("Message sent to %s on -i %s\n", tmp, retnotice->z_class_inst);
[1e550b2]754        } else { /* classed personal */
[d73e3af]755          owl_function_makemsg("Message sent to %s on -c %s -i %s\n", tmp, retnotice->z_class, retnotice->z_class_inst);
756        }
[ddbbcffa]757        g_free(tmp);
[d73e3af]758      } else {
[1e550b2]759        /* class / instance message */
[d73e3af]760          owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
761      }
[7d4fbcd]762    }
763  } else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
[1151f0b]764    #define BUFFLEN 1024
[44f32fb]765    if (retnotice->z_recipient == NULL
[60c2e1e]766        || *retnotice->z_recipient == 0
[44f32fb]767        || *retnotice->z_recipient == '@') {
[1151f0b]768      char buff[BUFFLEN];
[44f32fb]769      owl_function_error("No one subscribed to class %s", retnotice->z_class);
[1151f0b]770      snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
[9119a47]771      owl_function_adminmsg("", buff);
[7d4fbcd]772    } else {
[1151f0b]773      char buff[BUFFLEN];
[24ccc01]774      owl_zwrite zw;
775      char *realm;
776
[4b464a4]777      tmp = short_zuser(retnotice->z_recipient);
[44f32fb]778      owl_function_error("%s: Not logged in or subscribing.", tmp);
[3ef779b]779      /*
780       * These error messages are often over 80 chars, but users who want to
781       * see the whole thing can scroll to the side, and for those with wide
782       * terminals or who don't care, not splitting saves a line in the UI
783       */
784      if(strcasecmp(retnotice->z_class, "message")) {
[1151f0b]785        snprintf(buff, BUFFLEN,
[10e3963]786                 "Could not send message to %s: "
[3ef779b]787                 "not logged in or subscribing to class %s, instance %s.\n",
[10e3963]788                 tmp,
[1151f0b]789                 retnotice->z_class,
790                 retnotice->z_class_inst);
[3ef779b]791      } else if(strcasecmp(retnotice->z_class_inst, "personal")) {
792        snprintf(buff, BUFFLEN,
793                 "Could not send message to %s: "
794                 "not logged in or subscribing to instance %s.\n",
795                 tmp,
796                 retnotice->z_class_inst);
[44f32fb]797      } else {
[1151f0b]798        snprintf(buff, BUFFLEN,
[10e3963]799                 "Could not send message to %s: "
800                 "not logged in or subscribing to messages.\n",
801                 tmp);
[44f32fb]802      }
[9119a47]803      owl_function_adminmsg("", buff);
[24ccc01]804
805      memset(&zw, 0, sizeof(zw));
[d4927a7]806      zw.class = g_strdup(retnotice->z_class);
807      zw.inst  = g_strdup(retnotice->z_class_inst);
[24ccc01]808      realm = strchr(retnotice->z_recipient, '@');
809      if(realm) {
[d4927a7]810        zw.realm = g_strdup(realm + 1);
[24ccc01]811      } else {
[d4927a7]812        zw.realm = g_strdup(owl_zephyr_get_realm());
[24ccc01]813      }
[d4927a7]814      zw.opcode = g_strdup(retnotice->z_opcode);
815      zw.zsig   = g_strdup("");
[24ccc01]816      owl_list_create(&(zw.recips));
[d4927a7]817      owl_list_append_element(&(zw.recips), g_strdup(tmp));
[24ccc01]818
819      owl_log_outgoing_zephyr_error(&zw, buff);
820
[c230bc1]821      owl_zwrite_cleanup(&zw);
[ddbbcffa]822      g_free(tmp);
[7d4fbcd]823    }
824  } else {
[ec6ff52]825    owl_function_error("Internal error on ack (%s)", retnotice->z_message);
[7d4fbcd]826  }
827}
[09489b89]828#else
[1077891a]829void owl_zephyr_handle_ack(const void *retnotice)
[09489b89]830{
831}
[be0a79f]832#endif
[7d4fbcd]833
[be0a79f]834#ifdef HAVE_LIBZEPHYR
[1077891a]835int owl_zephyr_notice_is_ack(const ZNotice_t *n)
[31e48a3]836{
[7d4fbcd]837  if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
838    if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
839    return(1);
840  }
841  return(0);
842}
[09489b89]843#else
[1077891a]844int owl_zephyr_notice_is_ack(const void *n)
[09489b89]845{
846  return(0);
847}
[be0a79f]848#endif
[7d4fbcd]849 
[c08c70a]850void owl_zephyr_zaway(const owl_message *m)
[31e48a3]851{
[be0a79f]852#ifdef HAVE_LIBZEPHYR
[7c8060d0]853  char *tmpbuff, *myuser, *to;
[15b34fd]854  owl_message *mout;
[987cf3f]855  owl_zwrite *z;
[7d4fbcd]856 
[aa2f6364]857  /* bail if it doesn't look like a message we should reply to.  Some
[2de4f20]858   * of this defined by the way zaway(1) works
859   */
[7d4fbcd]860  if (strcasecmp(owl_message_get_class(m), "message")) return;
861  if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
862  if (!strcasecmp(owl_message_get_sender(m), "")) return;
863  if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
864  if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
[d023c25]865  if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
[7d4fbcd]866  if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
[9854278]867  if (owl_message_get_attribute_value(m, "isauto")) return;
[7d4fbcd]868
[7c8060d0]869  if (owl_global_is_smartstrip(&g)) {
[e3d9c77]870    to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
[7c8060d0]871  } else {
[d4927a7]872    to=g_strdup(owl_message_get_sender(m));
[7c8060d0]873  }
874
[7d4fbcd]875  send_zephyr("",
876              "Automated reply:",
877              owl_message_get_class(m),
878              owl_message_get_instance(m),
[7c8060d0]879              to,
[7d4fbcd]880              owl_global_get_zaway_msg(&g));
881
[7c8060d0]882  myuser=short_zuser(to);
[aa2f6364]883  if (!strcasecmp(owl_message_get_instance(m), "personal")) {
[eb8d9c1]884    tmpbuff = owl_string_build_quoted("zwrite %q", myuser);
[aa2f6364]885  } else {
[eb8d9c1]886    tmpbuff = owl_string_build_quoted("zwrite -i %q %q", owl_message_get_instance(m), myuser);
[aa2f6364]887  }
[ddbbcffa]888  g_free(myuser);
889  g_free(to);
[aa2f6364]890
[987cf3f]891  z = owl_zwrite_new(tmpbuff);
[bb85767]892  g_free(tmpbuff);
893  if (z == NULL) {
894    owl_function_error("Error creating outgoing zephyr.");
895    return;
896  }
[987cf3f]897  owl_zwrite_set_message(z, owl_global_get_zaway_msg(&g));
898  owl_zwrite_set_zsig(z, "Automated reply:");
899
[7d4fbcd]900  /* display the message as an admin message in the receive window */
[987cf3f]901  mout=owl_function_make_outgoing_zephyr(z);
[13a3c1db]902  owl_global_messagequeue_addmsg(&g, mout);
[987cf3f]903  owl_zwrite_delete(z);
[be0a79f]904#endif
[7d4fbcd]905}
906
[be0a79f]907#ifdef HAVE_LIBZEPHYR
[31e48a3]908void owl_zephyr_hackaway_cr(ZNotice_t *n)
909{
[7d4fbcd]910  /* replace \r's with ' '.  Gross-ish */
911  int i;
912
913  for (i=0; i<n->z_message_len; i++) {
914    if (n->z_message[i]=='\r') {
915      n->z_message[i]=' ';
916    }
917  }
918}
[be0a79f]919#endif
[7d4fbcd]920
[dca3b27]921char *owl_zephyr_zlocate(const char *user, int auth)
[31e48a3]922{
[be0a79f]923#ifdef HAVE_LIBZEPHYR
[7d4fbcd]924  int ret, numlocs;
925  int one = 1;
926  ZLocations_t locations;
927  char *myuser;
[dca3b27]928  char *p, *result;
929
[8262340]930  ZResetAuthentication();
[dca3b27]931  ret = ZLocateUser(zstr(user), &numlocs, auth ? ZAUTH : ZNOAUTH);
932  if (ret != ZERR_NONE)
[3472845]933    return g_strdup_printf("Error locating user %s: %s\n",
934                           user, error_message(ret));
[dca3b27]935
936  myuser = short_zuser(user);
937  if (numlocs == 0) {
[3472845]938    result = g_strdup_printf("%s: Hidden or not logged in\n", myuser);
[dca3b27]939  } else {
[d4927a7]940    result = g_strdup("");
[dca3b27]941    for (; numlocs; numlocs--) {
942      ZGetLocations(&locations, &one);
[3472845]943      p = g_strdup_printf("%s%s: %s\t%s\t%s\n",
[dca3b27]944                          result, myuser,
945                          locations.host ? locations.host : "?",
946                          locations.tty ? locations.tty : "?",
947                          locations.time ? locations.time : "?");
[ddbbcffa]948      g_free(result);
[dca3b27]949      result = p;
950    }
[7d4fbcd]951  }
[ddbbcffa]952  g_free(myuser);
[7d4fbcd]953
[dca3b27]954  return result;
955#else
[d4927a7]956  return g_strdup("");
[be0a79f]957#endif
[7d4fbcd]958}
[bde7714]959
[e19eb97]960void owl_zephyr_addsub(const char *filename, const char *class, const char *inst, const char *recip)
[31e48a3]961{
[be0a79f]962#ifdef HAVE_LIBZEPHYR
[b7ee89b]963  char *line, *subsfile, *s = NULL;
[bde7714]964  FILE *file;
[b7ee89b]965  int duplicate = 0;
[bde7714]966
[b7ee89b]967  line = owl_zephyr_makesubline(class, inst, recip);
[6ea3890]968  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[bde7714]969
[74037d9]970  /* if the file already exists, check to see if the sub is already there */
[b7ee89b]971  file = fopen(subsfile, "r");
[74037d9]972  if (file) {
[b7ee89b]973    while (owl_getline(&s, file)) {
974      if (strcasecmp(s, line) == 0) {
[74037d9]975        owl_function_error("Subscription already present in %s", subsfile);
[b7ee89b]976        duplicate++;
[74037d9]977      }
[bde7714]978    }
[99dabee]979    fclose(file);
[ddbbcffa]980    g_free(s);
[bde7714]981  }
982
[b7ee89b]983  if (!duplicate) {
984    file = fopen(subsfile, "a");
985    if (file) {
986      fputs(line, file);
987      fclose(file);
988      owl_function_makemsg("Subscription added");
989    } else {
990      owl_function_error("Error opening file %s for writing", subsfile);
991    }
[bde7714]992  }
[b7ee89b]993
[ddbbcffa]994  g_free(line);
[be0a79f]995#endif
[bde7714]996}
997
[e19eb97]998void owl_zephyr_delsub(const char *filename, const char *class, const char *inst, const char *recip)
[31e48a3]999{
[be0a79f]1000#ifdef HAVE_LIBZEPHYR
[b2a91b6]1001  char *line, *subsfile;
[da60ba9]1002  int linesdeleted;
[bde7714]1003 
1004  line=owl_zephyr_makesubline(class, inst, recip);
[b2a91b6]1005  line[strlen(line)-1]='\0';
[bde7714]1006
[6ea3890]1007  subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
[b2a91b6]1008 
[da60ba9]1009  linesdeleted = owl_util_file_deleteline(subsfile, line, 1);
1010  if (linesdeleted > 0) {
1011    owl_function_makemsg("Subscription removed");
[5fca55f]1012  } else if (linesdeleted == 0) {
[da60ba9]1013    owl_function_error("No subscription present in %s", subsfile);
1014  }
[ddbbcffa]1015  g_free(subsfile);
1016  g_free(line);
[be0a79f]1017#endif
[bde7714]1018}
1019
[b2a91b6]1020/* caller must free the return */
[e19eb97]1021char *owl_zephyr_makesubline(const char *class, const char *inst, const char *recip)
[31e48a3]1022{
[3472845]1023  return g_strdup_printf("%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
[bde7714]1024}
[31e48a3]1025
1026
1027void owl_zephyr_zlog_in(void)
1028{
[be0a79f]1029#ifdef HAVE_LIBZEPHYR
[e19eb97]1030  const char *exposure, *eset;
[31e48a3]1031  int ret;
1032
1033  ZResetAuthentication();
1034   
1035  eset=EXPOSE_REALMVIS;
[712caac]1036  exposure=ZGetVariable(zstr("exposure"));
[31e48a3]1037  if (exposure==NULL) {
1038    eset=EXPOSE_REALMVIS;
1039  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
1040    eset = EXPOSE_NONE;
1041  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
1042    eset = EXPOSE_OPSTAFF;
1043  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
1044    eset = EXPOSE_REALMVIS;
1045  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
1046    eset = EXPOSE_REALMANN;
1047  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
1048    eset = EXPOSE_NETVIS;
1049  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
1050    eset = EXPOSE_NETANN;
1051  }
1052   
[712caac]1053  ret=ZSetLocation(zstr(eset));
[31e48a3]1054  if (ret != ZERR_NONE) {
1055    /*
[e440602]1056      owl_function_makemsg("Error setting location: %s", error_message(ret));
[31e48a3]1057    */
1058  }
[be0a79f]1059#endif
[31e48a3]1060}
1061
1062void owl_zephyr_zlog_out(void)
1063{
[be0a79f]1064#ifdef HAVE_LIBZEPHYR
[31e48a3]1065  int ret;
1066
1067  ZResetAuthentication();
1068  ret=ZUnsetLocation();
1069  if (ret != ZERR_NONE) {
1070    /*
[e440602]1071      owl_function_makemsg("Error unsetting location: %s", error_message(ret));
[31e48a3]1072    */
1073  }
[be0a79f]1074#endif
[31e48a3]1075}
1076
[e19eb97]1077void owl_zephyr_addbuddy(const char *name)
[65ad073]1078{
1079  char *filename;
1080  FILE *file;
1081 
[6ea3890]1082  filename = owl_zephyr_dotfile(".anyone", NULL);
1083  file = fopen(filename, "a");
[ddbbcffa]1084  g_free(filename);
[65ad073]1085  if (!file) {
[ec6ff52]1086    owl_function_error("Error opening zephyr buddy file for append");
[65ad073]1087    return;
1088  }
1089  fprintf(file, "%s\n", name);
1090  fclose(file);
1091}
1092
[e19eb97]1093void owl_zephyr_delbuddy(const char *name)
[65ad073]1094{
1095  char *filename;
1096
[6ea3890]1097  filename = owl_zephyr_dotfile(".anyone", NULL);
[65ad073]1098  owl_util_file_deleteline(filename, name, 0);
[ddbbcffa]1099  g_free(filename);
[65ad073]1100}
[9381782]1101
1102/* return auth string */
[09489b89]1103#ifdef HAVE_LIBZEPHYR
[1077891a]1104const char *owl_zephyr_get_authstr(const ZNotice_t *n)
[9381782]1105{
1106
[f12d199]1107  if (!n) return("UNKNOWN");
1108
1109  if (n->z_auth == ZAUTH_FAILED) {
[9381782]1110    return ("FAILED");
[f12d199]1111  } else if (n->z_auth == ZAUTH_NO) {
[9381782]1112    return ("NO");
[f12d199]1113  } else if (n->z_auth == ZAUTH_YES) {
[9381782]1114    return ("YES");
1115  } else {
1116    return ("UNKNOWN");
[f12d199]1117  }           
[9381782]1118}
[09489b89]1119#else
[1077891a]1120const char *owl_zephyr_get_authstr(const void *n)
[09489b89]1121{
1122  return("");
1123}
1124#endif
[9381782]1125
[2de4f20]1126/* Returns a buffer of subscriptions or an error message.  Caller must
1127 * free the return.
[09489b89]1128 */
[c79a047]1129char *owl_zephyr_getsubs(void)
[09489b89]1130{
1131#ifdef HAVE_LIBZEPHYR
1132  int ret, num, i, one;
1133  ZSubscription_t sub;
[df3a1f4]1134  GString *buf;
[09489b89]1135
1136  ret=ZRetrieveSubscriptions(0, &num);
1137  if (ret==ZERR_TOOMANYSUBS) {
[d4927a7]1138    return(g_strdup("Zephyr: too many subscriptions\n"));
[ddacb9c]1139  } else if (ret || (num <= 0)) {
[8a97586]1140    return(g_strdup("Zephyr: error retrieving subscriptions\n"));
[09489b89]1141  }
1142
[df3a1f4]1143  buf = g_string_new("");
[09489b89]1144  for (i=0; i<num; i++) {
[df3a1f4]1145    one = 1;
[09489b89]1146    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1147      ZFlushSubscriptions();
[df3a1f4]1148      g_string_free(buf, true);
[d4927a7]1149      return g_strdup("Error while getting subscriptions\n");
[09489b89]1150    } else {
[df3a1f4]1151      /* g_string_append_printf would be backwards. */
[3472845]1152      char *tmp = g_strdup_printf("<%s,%s,%s>\n",
1153                                  sub.zsub_class,
1154                                  sub.zsub_classinst,
1155                                  sub.zsub_recipient);
[df3a1f4]1156      g_string_prepend(buf, tmp);
[ddbbcffa]1157      g_free(tmp);
[09489b89]1158    }
1159  }
1160
1161  ZFlushSubscriptions();
[df3a1f4]1162  return g_string_free(buf, false);
[09489b89]1163#else
[d4927a7]1164  return(g_strdup("Zephyr not available"));
[09489b89]1165#endif
1166}
1167
[e19eb97]1168const char *owl_zephyr_get_variable(const char *var)
[09489b89]1169{
1170#ifdef HAVE_LIBZEPHYR
[712caac]1171  return(ZGetVariable(zstr(var)));
[09489b89]1172#else
1173  return("");
1174#endif
1175}
1176
[e19eb97]1177void owl_zephyr_set_locationinfo(const char *host, const char *val)
[09489b89]1178{
1179#ifdef HAVE_LIBZEPHYR
[712caac]1180  ZInitLocationInfo(zstr(host), zstr(val));
[09489b89]1181#endif
1182}
1183 
[e3d9c77]1184/* Strip a local realm fron the zephyr user name.
1185 * The caller must free the return
1186 */
[e19eb97]1187char *short_zuser(const char *in)
[e3d9c77]1188{
1189  char *out, *ptr;
1190
[d4927a7]1191  out=g_strdup(in);
[e3d9c77]1192  ptr=strchr(out, '@');
1193  if (ptr) {
1194    if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
1195      *ptr='\0';
1196    }
1197  }
1198  return(out);
1199}
1200
1201/* Append a local realm to the zephyr user name if necessary.
1202 * The caller must free the return.
1203 */
[e19eb97]1204char *long_zuser(const char *in)
[e3d9c77]1205{
[1971b59]1206  if (strchr(in, '@')) {
[d4927a7]1207    return(g_strdup(in));
[e3d9c77]1208  }
[3472845]1209  return(g_strdup_printf("%s@%s", in, owl_zephyr_get_realm()));
[e3d9c77]1210}
1211
1212/* strip out the instance from a zsender's principal.  Preserves the
[9d21120]1213 * realm if present.  Leave host/ and daemon/ krb5 principals
1214 * alone. Also leave rcmd. and daemon. krb4 principals alone. The
1215 * caller must free the return.
[e3d9c77]1216 */
[e19eb97]1217char *owl_zephyr_smartstripped_user(const char *in)
[e3d9c77]1218{
[9d21120]1219  char *slash, *dot, *realm, *out;
[e3d9c77]1220
[d4927a7]1221  out = g_strdup(in);
[e3d9c77]1222
1223  /* bail immeaditly if we don't have to do any work */
[9d21120]1224  slash = strchr(out, '/');
1225  dot = strchr(out, '.');
1226  if (!slash && !dot) {
[e3d9c77]1227    return(out);
1228  }
[9d21120]1229
1230  if (!strncasecmp(out, OWL_ZEPHYR_NOSTRIP_HOST, strlen(OWL_ZEPHYR_NOSTRIP_HOST)) ||
1231      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_RCMD, strlen(OWL_ZEPHYR_NOSTRIP_RCMD)) ||
1232      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON5, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON5)) ||
1233      !strncasecmp(out, OWL_ZEPHYR_NOSTRIP_DAEMON4, strlen(OWL_ZEPHYR_NOSTRIP_DAEMON4))) {
[e3d9c77]1234    return(out);
1235  }
[9d21120]1236
1237  realm = strchr(out, '@');
1238  if (!slash && dot && realm && (dot > realm)) {
1239    /* There's no '/', and the first '.' is in the realm */
[e3d9c77]1240    return(out);
1241  }
1242
[fa4562c]1243  /* remove the realm from out, but hold on to it */
[e3d9c77]1244  if (realm) realm[0]='\0';
1245
1246  /* strip */
[9d21120]1247  if (slash) slash[0] = '\0';  /* krb5 style user/instance */
1248  else if (dot) dot[0] = '\0'; /* krb4 style user.instance */
[e3d9c77]1249
1250  /* reattach the realm if we had one */
1251  if (realm) {
1252    strcat(out, "@");
1253    strcat(out, realm+1);
1254  }
1255
1256  return(out);
1257}
[5a95b69]1258
1259/* read the list of users in 'filename' as a .anyone file, and put the
1260 * names of the zephyr users in the list 'in'.  If 'filename' is NULL,
1261 * use the default .anyone file in the users home directory.  Returns
1262 * -1 on failure, 0 on success.
1263 */
[e19eb97]1264int owl_zephyr_get_anyone_list(owl_list *in, const char *filename)
[5a95b69]1265{
1266#ifdef HAVE_LIBZEPHYR
[b7ee89b]1267  char *ourfile, *tmp, *s = NULL;
[5a95b69]1268  FILE *f;
1269
[6ea3890]1270  ourfile = owl_zephyr_dotfile(".anyone", filename);
[b7ee89b]1271
1272  f = fopen(ourfile, "r");
[5a95b69]1273  if (!f) {
1274    owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
[ddbbcffa]1275    g_free(ourfile);
[b7ee89b]1276    return -1;
[5a95b69]1277  }
[ddbbcffa]1278  g_free(ourfile);
[5a95b69]1279
[b7ee89b]1280  while (owl_getline_chomp(&s, f)) {
[5a95b69]1281    /* ignore comments, blank lines etc. */
[b7ee89b]1282    if (s[0] == '#' || s[0] == '\0')
1283      continue;
1284
1285    /* ignore from # on */
1286    tmp = strchr(s, '#');
1287    if (tmp)
1288      tmp[0] = '\0';
1289
1290    /* ignore from SPC */
1291    tmp = strchr(s, ' ');
1292    if (tmp)
1293      tmp[0] = '\0';
1294
1295    owl_list_append_element(in, long_zuser(s));
[5a95b69]1296  }
[ddbbcffa]1297  g_free(s);
[5a95b69]1298  fclose(f);
[b7ee89b]1299  return 0;
[5a95b69]1300#else
[b7ee89b]1301  return -1;
[5a95b69]1302#endif
1303}
[13a3c1db]1304
[f25812b]1305#ifdef HAVE_LIBZEPHYR
1306void owl_zephyr_process_pseudologin(ZNotice_t *n)
1307{
1308  owl_message *m;
1309  owl_zbuddylist *zbl;
1310  GList **zaldlist;
1311  GList *zaldptr;
1312  ZAsyncLocateData_t *zald = NULL;
1313  ZLocations_t location;
1314  int numlocs, ret, notify;
1315
1316  /* Find a ZALD to match this notice. */
1317  zaldlist = owl_global_get_zaldlist(&g);
1318  zaldptr = g_list_first(*zaldlist);
1319  while (zaldptr) {
1320    if (ZCompareALDPred(n, zaldptr->data)) {
1321      zald = zaldptr->data;
1322      *zaldlist = g_list_remove(*zaldlist, zaldptr->data);
1323      break;
1324    }
1325    zaldptr = g_list_next(zaldptr);
1326  }
1327  if (zald) {
1328    /* Deal with notice. */
1329    notify = owl_global_get_pseudologin_notify(&g);
1330    zbl = owl_global_get_zephyr_buddylist(&g);
1331    ret = ZParseLocations(n, zald, &numlocs, NULL);
1332    if (ret == ZERR_NONE) {
1333      if (numlocs > 0 && !owl_zbuddylist_contains_user(zbl, zald->user)) {
1334        if (notify) {
1335          numlocs = 1;
1336          ret = ZGetLocations(&location, &numlocs);
1337          if (ret == ZERR_NONE) {
1338            /* Send a PSEUDO LOGIN! */
[96828e4]1339            m = g_new(owl_message, 1);
[f25812b]1340            owl_message_create_pseudo_zlogin(m, 0, zald->user,
1341                                             location.host,
1342                                             location.time,
1343                                             location.tty);
1344            owl_global_messagequeue_addmsg(&g, m);
1345          }
1346          owl_zbuddylist_adduser(zbl, zald->user);
1347          owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", zald->user);
1348        }
1349      } else if (numlocs == 0 && owl_zbuddylist_contains_user(zbl, zald->user)) {
1350        /* Send a PSEUDO LOGOUT! */
1351        if (notify) {
[96828e4]1352          m = g_new(owl_message, 1);
[f25812b]1353          owl_message_create_pseudo_zlogin(m, 1, zald->user, "", "", "");
1354          owl_global_messagequeue_addmsg(&g, m);
1355        }
1356        owl_zbuddylist_deluser(zbl, zald->user);
1357        owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ", zald->user);
1358      }
1359    }
1360    ZFreeALD(zald);
[ddbbcffa]1361    g_free(zald);
[f25812b]1362  }
1363}
1364#else
1365void owl_zephyr_process_pseudologin(void *n)
1366{
1367}
1368#endif
1369
[3687413]1370void owl_zephyr_buddycheck_timer(owl_timer *t, void *data)
1371{
1372  if (owl_global_is_pseudologins(&g)) {
1373    owl_function_debugmsg("Doing zephyr buddy check");
1374    owl_function_zephyr_buddy_check(1);
1375  } else {
1376    owl_function_debugmsg("Warning: owl_zephyr_buddycheck_timer call pointless; timer should have been disabled");
1377  }
1378}
1379
[12e291a]1380/*
1381 * Process zephyrgrams from libzephyr's queue. To prevent starvation,
1382 * process a maximum of OWL_MAX_ZEPHYRGRAMS_TO_PROCESS.
1383 *
1384 * Returns the number of zephyrgrams processed.
1385 */
1386
1387#define OWL_MAX_ZEPHYRGRAMS_TO_PROCESS 20
1388
[e9c6fc8]1389static int _owl_zephyr_process_events(void)
[12e291a]1390{
[13a3c1db]1391  int zpendcount=0;
[12e291a]1392#ifdef HAVE_LIBZEPHYR
[13a3c1db]1393  ZNotice_t notice;
[8ab1f28]1394  Code_t code;
[13a3c1db]1395  owl_message *m=NULL;
1396
[12e291a]1397  while(owl_zephyr_zpending() && zpendcount < OWL_MAX_ZEPHYRGRAMS_TO_PROCESS) {
[13a3c1db]1398    if (owl_zephyr_zpending()) {
[8ab1f28]1399      if ((code = ZReceiveNotice(&notice, NULL)) != ZERR_NONE) {
1400        owl_function_debugmsg("Error: %s while calling ZReceiveNotice\n",
1401                              error_message(code));
1402        continue;
1403      }
[13a3c1db]1404      zpendcount++;
1405
1406      /* is this an ack from a zephyr we sent? */
1407      if (owl_zephyr_notice_is_ack(&notice)) {
1408        owl_zephyr_handle_ack(&notice);
[46c7f5b]1409        ZFreeNotice(&notice);
[13a3c1db]1410        continue;
1411      }
1412
1413      /* if it's a ping and we're not viewing pings then skip it */
1414      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
[46c7f5b]1415        ZFreeNotice(&notice);
[13a3c1db]1416        continue;
1417      }
1418
[f25812b]1419      /* if it is a LOCATE message, it's for pseudologins. */
1420      if (strcmp(notice.z_opcode, LOCATE_LOCATE) == 0) {
1421        owl_zephyr_process_pseudologin(&notice);
1422        ZFreeNotice(&notice);
1423        continue;
1424      }
1425
[13a3c1db]1426      /* create the new message */
[96828e4]1427      m=g_new(owl_message, 1);
[13a3c1db]1428      owl_message_create_from_znotice(m, &notice);
1429
1430      owl_global_messagequeue_addmsg(&g, m);
1431    }
1432  }
[12e291a]1433#endif
1434  return zpendcount;
[13a3c1db]1435}
1436
[18fdd5f9]1437void owl_zephyr_process_events(const owl_io_dispatch *d, void *data)
[12e291a]1438{
1439  _owl_zephyr_process_events();
1440}
1441
1442int owl_zephyr_pre_select_action(owl_ps_action *a, void *p)
1443{
1444  return _owl_zephyr_process_events();
[13a3c1db]1445}
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