citadel
About: Citadel is an advanced messaging and collaboration system for groupware and BBS applications (preferred OS: Linux).
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context.c
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1//
2// Citadel context management stuff.
3// Here's where we (hopefully) have all the code that manipulates contexts.
4//
5// Copyright (c) 1987-2020 by the citadel.org team
6//
7// This program is open source software. Use, duplication, or disclosure
8// is subject to the terms of the GNU General Public License, version 3.
9
10#include "ctdl_module.h"
11#include "serv_extensions.h"
12#include "citserver.h"
13#include "user_ops.h"
14#include "locate_host.h"
15#include "context.h"
16#include "control.h"
17#include "config.h"
18
19pthread_key_t MyConKey; /* TSD key for MyContext() */
22time_t last_purge = 0; /* Last dead session purge */
23int num_sessions = 0; /* Current number of sessions */
24int next_pid = 0;
25
26/* Flag for single user mode */
27static int want_single_user = 0;
28
29/* Try to go single user */
30
32 int can_do = 0;
33
36 can_do = 0;
37 else
38 {
39 can_do = 1;
41 }
43 return can_do;
44}
45
46
51}
52
53
55 return want_single_user;
56}
57
58
60 if (want_single_user) {
61 /* check for only one context here */
62 if (num_sessions == 1)
63 return 1;
64 }
65 return 0;
66}
67
68
69/*
70 * Locate a context by its session number and terminate it if the user is able.
71 * User can NOT terminate their current session.
72 * User CAN terminate any other session that has them logged in.
73 * Aide CAN terminate any session except the current one.
74 */
75int CtdlTerminateOtherSession (int session_num) {
76 int ret = 0;
77 CitContext *ccptr;
78 int aide;
79
80 if (session_num == CC->cs_pid) return TERM_NOTALLOWED;
81
82 aide = ( (CC->user.axlevel >= AxAideU) || (CC->internal_pgm) ) ;
83
84 syslog(LOG_DEBUG, "context: locating session to kill");
86 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
87 if (session_num == ccptr->cs_pid) {
88 ret |= TERM_FOUND;
89 if ((ccptr->user.usernum == CC->user.usernum) || aide) {
90 ret |= TERM_ALLOWED;
91 }
92 break;
93 }
94 }
95
96 if (((ret & TERM_FOUND) != 0) && ((ret & TERM_ALLOWED) != 0))
97 {
98 if (ccptr->user.usernum == CC->user.usernum)
100 else
101 ccptr->kill_me = KILLME_IDLE;
103 }
104 else
106
107 return ret;
108}
109
110
111/*
112 * Check to see if the user who we just sent mail to is logged in. If yes,
113 * bump the 'new mail' counter for their session. That enables them to
114 * receive a new mail notification without having to hit the database.
115 */
116void BumpNewMailCounter(long which_user) {
117 CtdlBumpNewMailCounter(which_user);
118}
119
120
121void CtdlBumpNewMailCounter(long which_user) {
122 CitContext *ptr;
123
125
126 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
127 if (ptr->user.usernum == which_user) {
128 ptr->newmail += 1;
129 }
130 }
131
133}
134
135
136/*
137 * Check to see if a user is currently logged in
138 * Take care with what you do as a result of this test.
139 * The user may not have been logged in when this function was called BUT
140 * because of threading the user might be logged in before you test the result.
141 */
142int CtdlIsUserLoggedIn(char *user_name) {
143 CitContext *cptr;
144 int ret = 0;
145
147 for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
148 if (!strcasecmp(cptr->user.fullname, user_name)) {
149 ret = 1;
150 break;
151 }
152 }
154 return ret;
155}
156
157
158/*
159 * Check to see if a user is currently logged in.
160 * Basically same as CtdlIsUserLoggedIn() but uses the user number instead.
161 * Take care with what you do as a result of this test.
162 * The user may not have been logged in when this function was called BUT
163 * because of threading the user might be logged in before you test the result.
164 */
165int CtdlIsUserLoggedInByNum (long usernum) {
166 CitContext *cptr;
167 int ret = 0;
168
170 for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
171 if (cptr->user.usernum == usernum) {
172 ret = 1;
173 }
174 }
176 return ret;
177}
178
179
180/*
181 * Return a pointer to the CitContext structure bound to the thread which
182 * called this function. If there's no such binding (for example, if it's
183 * called by the housekeeper thread) then a generic 'master' CC is returned.
184 *
185 * This function is used *VERY* frequently and must be kept small.
186 */
188 register CitContext *c;
189 return ((c = (CitContext *) pthread_getspecific(MyConKey), c == NULL) ? &masterCC : c);
190}
191
192
193/*
194 * Terminate idle sessions. This function pounds through the session table
195 * comparing the current time to each session's time-of-last-command. If an
196 * idle session is found it is terminated, then the search restarts at the
197 * beginning because the pointer to our place in the list becomes invalid.
198 */
200 CitContext *ccptr;
201 time_t now;
202 int killed = 0;
203 int longrunners = 0;
204
205 now = time(NULL);
207 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
208 if (
209 (ccptr != CC)
210 && (CtdlGetConfigLong("c_sleeping") > 0)
211 && (now - (ccptr->lastcmd) > CtdlGetConfigLong("c_sleeping"))
212 ) {
213 if (!ccptr->dont_term) {
214 ccptr->kill_me = KILLME_IDLE;
215 ++killed;
216 }
217 else {
218 ++longrunners;
219 }
220 }
221 }
223 if (killed > 0) {
224 syslog(LOG_INFO, "context: scheduled %d idle sessions for termination", killed);
225 }
226 if (longrunners > 0) {
227 syslog(LOG_INFO, "context: did not terminate %d protected idle sessions", longrunners);
228 }
229}
230
231
232/*
233 * During shutdown, close the sockets of any sessions still connected.
234 */
236 CitContext *ccptr;
237 int killed = 0;
238
240 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
241 if (ccptr->client_socket != -1)
242 {
243 syslog(LOG_INFO, "context: terminate_all_sessions() is murdering %s CC[%d]", ccptr->curr_user, ccptr->cs_pid);
244 close(ccptr->client_socket);
245 ccptr->client_socket = -1;
246 killed++;
247 }
248 }
250 if (killed > 0) {
251 syslog(LOG_INFO, "context: flushed %d stuck sessions", killed);
252 }
253}
254
255
256/*
257 * Terminate a session.
258 */
260 const char *c;
261 if (con == NULL) {
262 syslog(LOG_ERR, "context: RemoveContext() called with NULL, this should not happen");
263 return;
264 }
265 c = con->ServiceName;
266 if (c == NULL) {
267 c = "WTF?";
268 }
269 syslog(LOG_DEBUG, "context: RemoveContext(%s) session %d", c, con->cs_pid);
270
271 /* Run any cleanup routines registered by loadable modules.
272 * Note: We have to "become_session()" because the cleanup functions
273 * might make references to "CC" assuming it's the right one.
274 */
275 become_session(con);
278 client_close(); /* If the client is still connected, blow 'em away. */
279 become_session(NULL);
280
281 syslog(LOG_INFO, "context: [%3d]SRV[%s] Session ended.", con->cs_pid, c);
282
283 /*
284 * If the client is still connected, blow 'em away.
285 * if the socket is 0 or -1, its already gone or was never there.
286 */
287 if (con->client_socket > 0) {
288 syslog(LOG_INFO, "context: closing socket %d", con->client_socket);
289 close(con->client_socket);
290 }
291
292 /* If using AUTHMODE_LDAP, free the DN */
293 if (con->ldap_dn) {
294 free(con->ldap_dn);
295 con->ldap_dn = NULL;
296 }
297 FreeStrBuf(&con->StatusMessage);
298 FreeStrBuf(&con->MigrateBuf);
299 FreeStrBuf(&con->RecvBuf.Buf);
300 if (con->cached_msglist) {
301 free(con->cached_msglist);
302 }
303
304 syslog(LOG_DEBUG, "context: done with RemoveContext()");
305}
306
307
308/*
309 * Initialize a new context and place it in the list. The session number
310 * used to be the PID (which is why it's called cs_pid), but that was when we
311 * had one process per session. Now we just assign them sequentially, starting
312 * at 1 (don't change it to 0 because masterCC uses 0).
313 */
315 CitContext *me;
316
317 me = (CitContext *) malloc(sizeof(CitContext));
318 if (me == NULL) {
319 syslog(LOG_ERR, "citserver: malloc() failed: %m");
320 return NULL;
321 }
322 memset(me, 0, sizeof(CitContext));
323
324 /* Give the context a name. Hopefully makes it easier to track */
325 strcpy (me->user.fullname, "SYS_notauth");
326
327 /* The new context will be created already in the CON_EXECUTING state
328 * in order to prevent another thread from grabbing it while it's
329 * being set up.
330 */
331 me->state = CON_EXECUTING;
332 /*
333 * Generate a unique session number and insert this context into
334 * the list.
335 */
336 me->MigrateBuf = NewStrBuf();
337
338 me->RecvBuf.Buf = NewStrBuf();
339
340 me->lastcmd = time(NULL); /* set lastcmd to now to prevent idle timer infanticide TODO: if we have a valid IO, use that to set the timer. */
341
342
344 me->cs_pid = ++next_pid;
345 me->prev = NULL;
346 me->next = ContextList;
347 ContextList = me;
348 if (me->next != NULL) {
349 me->next->prev = me;
350 }
351 ++num_sessions;
353 return (me);
354}
355
356
357/*
358 * Initialize a new context and place it in the list. The session number
359 * used to be the PID (which is why it's called cs_pid), but that was when we
360 * had one process per session. Now we just assign them sequentially, starting
361 * at 1 (don't change it to 0 because masterCC uses 0).
362 */
364 CitContext *me;
365
366 me = (CitContext *) malloc(sizeof(CitContext));
367 if (me == NULL) {
368 syslog(LOG_ERR, "citserver: malloc() failed: %m");
369 return NULL;
370 }
371 memcpy(me, CloneMe, sizeof(CitContext));
372
373 memset(&me->RecvBuf, 0, sizeof(IOBuffer));
374 memset(&me->SendBuf, 0, sizeof(IOBuffer));
375 memset(&me->SBuf, 0, sizeof(IOBuffer));
376 me->MigrateBuf = NULL;
377 me->sMigrateBuf = NULL;
378 me->redirect_buffer = NULL;
379#ifdef HAVE_OPENSSL
380 me->ssl = NULL;
381#endif
382
383 me->download_fp = NULL;
384 me->upload_fp = NULL;
385 /// TODO: what about the room/user?
386 me->ma = NULL;
387 me->openid_data = NULL;
388 me->ldap_dn = NULL;
389 me->session_specific_data = NULL;
390
391 me->CIT_ICAL = NULL;
392
393 me->cached_msglist = NULL;
394 me->download_fp = NULL;
395 me->upload_fp = NULL;
396 me->client_socket = 0;
397
398 me->MigrateBuf = NewStrBuf();
399 me->RecvBuf.Buf = NewStrBuf();
400
402 {
403 me->cs_pid = ++next_pid;
404 me->prev = NULL;
405 me->next = ContextList;
406 me->lastcmd = time(NULL); /* set lastcmd to now to prevent idle timer infanticide */
407 ContextList = me;
408 if (me->next != NULL) {
409 me->next->prev = me;
410 }
411 ++num_sessions;
412 }
414 return (me);
415}
416
417
418/*
419 * Return an array containing a copy of the context list.
420 * This allows worker threads to perform "for each context" operations without
421 * having to lock and traverse the live list.
422 */
424 int nContexts, i;
425 CitContext *nptr, *cptr;
426
427 nContexts = num_sessions;
428 nptr = malloc(sizeof(CitContext) * nContexts);
429 if (!nptr) {
430 *count = 0;
431 return NULL;
432 }
434 for (cptr = ContextList, i=0; cptr != NULL && i < nContexts; cptr = cptr->next, i++) {
435 memcpy(&nptr[i], cptr, sizeof (CitContext));
436 }
438
439 *count = i;
440 return nptr;
441}
442
443
444/*
445 * Back-end function for starting a session
446 */
448 /*
449 * Initialize some variables specific to our context.
450 */
451 con->logged_in = 0;
452 con->internal_pgm = 0;
453 con->download_fp = NULL;
454 con->upload_fp = NULL;
455 con->cached_msglist = NULL;
456 con->cached_num_msgs = 0;
457 con->FirstExpressMessage = NULL;
458 time(&con->lastcmd);
459 time(&con->lastidle);
460 strcpy(con->lastcmdname, " ");
461 strcpy(con->cs_clientname, "(unknown)");
462 strcpy(con->curr_user, NLI);
463 *con->cs_clientinfo = '\0';
464 safestrncpy(con->cs_host, CtdlGetConfigStr("c_fqdn"), sizeof con->cs_host);
465 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
466 con->cs_UDSclientUID = -1;
467 con->cs_host[sizeof con->cs_host - 1] = 0;
468 if (!CC->is_local_client) {
469 locate_host(con->cs_host, sizeof con->cs_host,
470 con->cs_addr, sizeof con->cs_addr,
471 con->client_socket
472 );
473 }
474 else {
475 con->cs_host[0] = 0;
476 con->cs_addr[0] = 0;
477#ifdef HAVE_STRUCT_UCRED
478 {
479 /* as http://www.wsinnovations.com/softeng/articles/uds.html told us... */
480 struct ucred credentials;
481 socklen_t ucred_length = sizeof(struct ucred);
482
483 /*fill in the user data structure */
484 if(getsockopt(con->client_socket, SOL_SOCKET, SO_PEERCRED, &credentials, &ucred_length)) {
485 syslog(LOG_ERR, "context: could obtain credentials from unix domain socket");
486
487 }
488 else {
489 /* the process ID of the process on the other side of the socket */
490 /* credentials.pid; */
491
492 /* the effective UID of the process on the other side of the socket */
493 con->cs_UDSclientUID = credentials.uid;
494
495 /* the effective primary GID of the process on the other side of the socket */
496 /* credentials.gid; */
497
498 /* To get supplemental groups, we will have to look them up in our account
499 database, after a reverse lookup on the UID to get the account name.
500 We can take this opportunity to check to see if this is a legit account.
501 */
502 snprintf(con->cs_clientinfo, sizeof(con->cs_clientinfo),
503 "PID: "F_PID_T"; UID: "F_UID_T"; GID: "F_XPID_T" ",
504 credentials.pid,
505 credentials.uid,
506 credentials.gid);
507 }
508 }
509#endif
510 }
511 con->cs_flags = 0;
512
513 con->nologin = 0;
514 if (((CtdlGetConfigInt("c_maxsessions") > 0)&&(num_sessions > CtdlGetConfigInt("c_maxsessions"))) || CtdlWantSingleUser()) {
515 con->nologin = 1;
516 }
517
518 syslog(LOG_INFO, "context: session (%s) started from %s (%s) uid=%d",
519 con->ServiceName, con->cs_host, con->cs_addr, con->cs_UDSclientUID
520 );
521
522 /* Run any session startup routines registered by loadable modules */
524}
525
526
527/*
528 * This function fills in a context and its user field correctly
529 * Then creates/loads that user
530 */
531void CtdlFillSystemContext(CitContext *context, char *name) {
532 char sysname[SIZ];
533 long len;
534
535 memset(context, 0, sizeof(CitContext));
536 context->internal_pgm = 1;
537 context->cs_pid = 0;
538 strcpy (sysname, "SYS_");
539 strcat (sysname, name);
540 len = strlen(sysname);
541 memcpy(context->curr_user, sysname, len + 1);
542 context->client_socket = (-1);
543 context->state = CON_SYS;
544 context->ServiceName = name;
545
546 /* internal_create_user has the side effect of loading the user regardless of whether they
547 * already existed or needed to be created
548 */
549 internal_create_user(sysname, &(context->user), -1) ;
550
551 /* Check to see if the system user needs upgrading */
552 if (context->user.usernum == 0) { /* old system user with number 0, upgrade it */
553 context->user.usernum = get_new_user_number();
554 syslog(LOG_INFO, "context: upgrading system user \"%s\" from user number 0 to user number %ld", context->user.fullname, context->user.usernum);
555 /* add user to the database */
556 CtdlPutUser(&(context->user));
557 cdb_store(CDB_USERSBYNUMBER, &(context->user.usernum), sizeof(long), context->user.fullname, strlen(context->user.fullname)+1);
558 }
559}
560
561
562/*
563 * Cleanup any contexts that are left lying around
564 */
565void context_cleanup(void) {
566 CitContext *ptr = NULL;
567 CitContext *rem = NULL;
568
569 /*
570 * Clean up the contexts.
571 * There are no threads so no critical_section stuff is needed.
572 */
573 ptr = ContextList;
574
575 /* We need to update the ContextList because some modules may want to itterate it
576 * Question is should we NULL it before iterating here or should we just keep updating it
577 * as we remove items?
578 *
579 * Answer is to NULL it first to prevent modules from doing any actions on the list at all
580 */
581 ContextList=NULL;
582 while (ptr != NULL){
583 /* Remove the session from the active list */
584 rem = ptr->next;
585 --num_sessions;
586
587 syslog(LOG_DEBUG, "context: context_cleanup() purging session %d", ptr->cs_pid);
588 RemoveContext(ptr);
589 free (ptr);
590 ptr = rem;
591 }
592}
593
594
595/*
596 * Purge all sessions which have the 'kill_me' flag set.
597 * This function has code to prevent it from running more than once every
598 * few seconds, because running it after every single unbind would waste a lot
599 * of CPU time and keep the context list locked too much. To force it to run
600 * anyway, set "force" to nonzero.
601 */
602void dead_session_purge(int force) {
603 CitContext *ptr, *ptr2; /* general-purpose utility pointer */
604 CitContext *rem = NULL; /* list of sessions to be destroyed */
605
606 if (force == 0) {
607 if ( (time(NULL) - last_purge) < 5 ) {
608 return; /* Too soon, go away */
609 }
610 }
611 time(&last_purge);
612
614 return;
615
616 ptr = ContextList;
617 while (ptr) {
618 ptr2 = ptr;
619 ptr = ptr->next;
620
621 if ( (ptr2->state == CON_IDLE) && (ptr2->kill_me) ) {
622 /* Remove the session from the active list */
623 if (ptr2->prev) {
624 ptr2->prev->next = ptr2->next;
625 }
626 else {
627 ContextList = ptr2->next;
628 }
629 if (ptr2->next) {
630 ptr2->next->prev = ptr2->prev;
631 }
632
633 --num_sessions;
634 /* And put it on our to-be-destroyed list */
635 ptr2->next = rem;
636 rem = ptr2;
637 }
638 }
640
641 /* Now that we no longer have the session list locked, we can take
642 * our time and destroy any sessions on the to-be-killed list, which
643 * is allocated privately on this thread's stack.
644 */
645 while (rem != NULL) {
646 syslog(LOG_DEBUG, "context: dead_session_purge() purging session %d, reason=%d", rem->cs_pid, rem->kill_me);
647 RemoveContext(rem);
648 ptr = rem;
649 rem = rem->next;
650 free(ptr);
651 }
652}
653
654
655/*
656 * masterCC is the context we use when not attached to a session. This
657 * function initializes it.
658 */
660 memset(&masterCC, 0, sizeof(struct CitContext));
662 masterCC.cs_pid = 0;
663}
664
665
666/*
667 * Set the "async waiting" flag for a session, if applicable
668 */
669void set_async_waiting(struct CitContext *ccptr) {
670 syslog(LOG_DEBUG, "context: setting async_waiting flag for session %d", ccptr->cs_pid);
671 if (ccptr->is_async) {
672 ccptr->async_waiting++;
673 if (ccptr->state == CON_IDLE) {
674 ccptr->state = CON_READY;
675 }
676 }
677}
678
679
681{
682 if (!threading) {
683 }
684 return "session";
685}
char * CtdlGetConfigStr(char *key)
Definition: config.c:363
int CtdlGetConfigInt(char *key)
Definition: config.c:390
long CtdlGetConfigLong(char *key)
Definition: config.c:398
void terminate_all_sessions(void)
Definition: context.c:235
void terminate_idle_sessions(void)
Definition: context.c:199
int num_sessions
Definition: context.c:23
void InitializeMasterCC(void)
Definition: context.c:659
CitContext * MyContext(void)
Definition: context.c:187
int CtdlIsUserLoggedInByNum(long usernum)
Definition: context.c:165
CitContext * ContextList
Definition: context.c:21
int CtdlWantSingleUser(void)
Definition: context.c:54
CitContext masterCC
Definition: context.c:20
CitContext * CreateNewContext(void)
Definition: context.c:314
pthread_key_t MyConKey
Definition: context.c:19
void CtdlBumpNewMailCounter(long which_user)
Definition: context.c:121
void RemoveContext(CitContext *con)
Definition: context.c:259
time_t last_purge
Definition: context.c:22
int CtdlTerminateOtherSession(int session_num)
Definition: context.c:75
int CtdlTrySingleUser(void)
Definition: context.c:31
int next_pid
Definition: context.c:24
void set_async_waiting(struct CitContext *ccptr)
Definition: context.c:669
void dead_session_purge(int force)
Definition: context.c:602
void BumpNewMailCounter(long which_user)
Definition: context.c:116
int CtdlIsUserLoggedIn(char *user_name)
Definition: context.c:142
void context_cleanup(void)
Definition: context.c:565
void CtdlFillSystemContext(CitContext *context, char *name)
Definition: context.c:531
void CtdlEndSingleUser(void)
Definition: context.c:47
static int want_single_user
Definition: context.c:27
int CtdlIsSingleUser(void)
Definition: context.c:59
CitContext * CloneContext(CitContext *CloneMe)
Definition: context.c:363
void begin_session(CitContext *con)
Definition: context.c:447
CitContext * CtdlGetContextArray(int *count)
Definition: context.c:423
#define TERM_FOUND
Definition: context.h:167
#define CC
Definition: context.h:140
static void become_session(CitContext *which_con)
Definition: context.h:175
#define TERM_NOTALLOWED
Definition: context.h:170
#define TERM_ALLOWED
Definition: context.h:168
@ CON_READY
Definition: context.h:26
@ CON_SYS
Definition: context.h:28
@ CON_IDLE
Definition: context.h:23
@ CON_EXECUTING
Definition: context.h:27
long get_new_user_number(void)
Definition: control.c:207
void CtdlPutUser(struct ctdluser *usbuf)
Definition: user_ops.c:107
void CtdlUserLogout(void)
Definition: user_ops.c:661
int threading
Definition: modules_init.c:24
#define CTDL_MODULE_INIT(module_name)
Definition: ctdl_module.h:53
int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
Definition: database.c:392
void locate_host(char *tbuf, size_t n, char *abuf, size_t na, int client_socket)
Definition: locate_host.c:51
void * malloc(unsigned)
void free(void *)
void PerformSessionHooks(int EventType)
#define EVT_STOP
Definition: server.h:212
@ CDB_USERSBYNUMBER
Definition: server.h:196
@ S_SINGLE_USER
Definition: server.h:154
@ S_SESSION_TABLE
Definition: server.h:136
@ KILLME_IDLE
Definition: server.h:88
@ KILLME_ADMIN_TERMINATE
Definition: server.h:93
#define EVT_START
Definition: server.h:213
int cs_pid
Definition: context.h:44
int logged_in
Definition: context.h:70
StrBuf * MigrateBuf
Definition: context.h:56
char lastcmdname[5]
Definition: context.h:76
char cs_clientname[32]
Definition: context.h:89
FILE * download_fp
Definition: context.h:99
StrBuf * StatusMessage
Definition: context.h:63
int is_async
Definition: context.h:78
struct ctdluser user
Definition: context.h:109
time_t lastidle
Definition: context.h:48
int newmail
Definition: context.h:115
struct cit_ical * CIT_ICAL
Definition: context.h:123
const char * ServiceName
Definition: context.h:125
CitContext * next
Definition: context.h:42
unsigned cs_flags
Definition: context.h:77
int nologin
Definition: context.h:72
CitContext * prev
Definition: context.h:41
char curr_user[64]
Definition: context.h:69
void * session_specific_data
Definition: context.h:122
IOBuffer SBuf
Definition: context.h:54
char cs_addr[64]
Definition: context.h:91
void * openid_data
Definition: context.h:127
StrBuf * sMigrateBuf
Definition: context.h:57
FILE * upload_fp
Definition: context.h:102
struct ExpressMessage * FirstExpressMessage
Definition: context.h:113
int kill_me
Definition: context.h:50
CCState state
Definition: context.h:49
int cached_num_msgs
Definition: context.h:135
struct ma_info * ma
Definition: context.h:124
time_t lastcmd
Definition: context.h:47
StrBuf * redirect_buffer
Definition: context.h:62
int async_waiting
Definition: context.h:79
IOBuffer SendBuf
Definition: context.h:52
char * ldap_dn
Definition: context.h:128
int dont_term
Definition: context.h:45
char cs_host[64]
Definition: context.h:90
long * cached_msglist
Definition: context.h:134
uid_t cs_UDSclientUID
Definition: context.h:88
int client_socket
Definition: context.h:59
IOBuffer RecvBuf
Definition: context.h:53
int internal_pgm
Definition: context.h:71
char cs_clientinfo[256]
Definition: context.h:87
char fullname[64]
Definition: citadel.h:80
long usernum
Definition: citadel.h:77
#define SIZ
Definition: sysconfig.h:33
#define NLI
Definition: sysconfig.h:18
void client_close(void)
Definition: sysdep.c:286
#define F_PID_T
Definition: sysdep.h:9
#define F_UID_T
Definition: sysdep.h:10
#define F_XPID_T
Definition: sysdep.h:11
void begin_critical_section(int which_one)
Definition: threads.c:62
void end_critical_section(int which_one)
Definition: threads.c:80
int try_critical_section(int which_one)
Definition: threads.c:44
int internal_create_user(char *username, struct ctdluser *usbuf, uid_t uid)
Definition: user_ops.c:905