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// The program is distributed without any warranty, expressed or implied.
10
11#include "ctdl_module.h"
12#include "serv_extensions.h"
13#include "citserver.h"
14#include "user_ops.h"
15#include "locate_host.h"
16#include "context.h"
17#include "control.h"
18#include "config.h"
19
20pthread_key_t MyConKey; /* TSD key for MyContext() */
23time_t last_purge = 0; /* Last dead session purge */
24int num_sessions = 0; /* Current number of sessions */
25int next_pid = 0;
26
27/* Flag for single user mode */
28static int want_single_user = 0;
29
30/* Try to go single user */
31
33{
34 int can_do = 0;
35
38 can_do = 0;
39 else
40 {
41 can_do = 1;
43 }
45 return can_do;
46}
47
48
50{
54}
55
56
58{
59 return want_single_user;
60}
61
62
64{
66 {
67 /* check for only one context here */
68 if (num_sessions == 1)
69 return 1;
70 }
71 return 0;
72}
73
74
75/*
76 * Locate a context by its session number and terminate it if the user is able.
77 * User can NOT terminate their current session.
78 * User CAN terminate any other session that has them logged in.
79 * Aide CAN terminate any session except the current one.
80 */
81int CtdlTerminateOtherSession (int session_num)
82{
83 struct CitContext *CCC = CC;
84 int ret = 0;
85 CitContext *ccptr;
86 int aide;
87
88 if (session_num == CCC->cs_pid) return TERM_NOTALLOWED;
89
90 aide = ( (CCC->user.axlevel >= AxAideU) || (CCC->internal_pgm) ) ;
91
92 syslog(LOG_DEBUG, "context: locating session to kill");
94 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
95 if (session_num == ccptr->cs_pid) {
96 ret |= TERM_FOUND;
97 if ((ccptr->user.usernum == CCC->user.usernum) || aide) {
98 ret |= TERM_ALLOWED;
99 }
100 break;
101 }
102 }
103
104 if (((ret & TERM_FOUND) != 0) && ((ret & TERM_ALLOWED) != 0))
105 {
106 if (ccptr->user.usernum == CCC->user.usernum)
108 else
109 ccptr->kill_me = KILLME_IDLE;
111 }
112 else
114
115 return ret;
116}
117
118
119
120/*
121 * Check to see if the user who we just sent mail to is logged in. If yes,
122 * bump the 'new mail' counter for their session. That enables them to
123 * receive a new mail notification without having to hit the database.
124 */
125void BumpNewMailCounter(long which_user)
126{
127 CtdlBumpNewMailCounter(which_user);
128}
129
130void CtdlBumpNewMailCounter(long which_user)
131{
132 CitContext *ptr;
133
135
136 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
137 if (ptr->user.usernum == which_user) {
138 ptr->newmail += 1;
139 }
140 }
141
143}
144
145
146/*
147 * Check to see if a user is currently logged in
148 * Take care with what you do as a result of this test.
149 * The user may not have been logged in when this function was called BUT
150 * because of threading the user might be logged in before you test the result.
151 */
152int CtdlIsUserLoggedIn (char *user_name)
153{
154 CitContext *cptr;
155 int ret = 0;
156
158 for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
159 if (!strcasecmp(cptr->user.fullname, user_name)) {
160 ret = 1;
161 break;
162 }
163 }
165 return ret;
166}
167
168
169
170/*
171 * Check to see if a user is currently logged in.
172 * Basically same as CtdlIsUserLoggedIn() but uses the user number instead.
173 * Take care with what you do as a result of this test.
174 * The user may not have been logged in when this function was called BUT
175 * because of threading the user might be logged in before you test the result.
176 */
177int CtdlIsUserLoggedInByNum (long usernum)
178{
179 CitContext *cptr;
180 int ret = 0;
181
183 for (cptr = ContextList; cptr != NULL; cptr = cptr->next) {
184 if (cptr->user.usernum == usernum) {
185 ret = 1;
186 }
187 }
189 return ret;
190}
191
192
193
194/*
195 * Return a pointer to the CitContext structure bound to the thread which
196 * called this function. If there's no such binding (for example, if it's
197 * called by the housekeeper thread) then a generic 'master' CC is returned.
198 *
199 * This function is used *VERY* frequently and must be kept small.
200 */
202 register CitContext *c;
203 return ((c = (CitContext *) pthread_getspecific(MyConKey), c == NULL) ? &masterCC : c);
204}
205
206
207
208
209/*
210 * Terminate idle sessions. This function pounds through the session table
211 * comparing the current time to each session's time-of-last-command. If an
212 * idle session is found it is terminated, then the search restarts at the
213 * beginning because the pointer to our place in the list becomes invalid.
214 */
216{
217 CitContext *ccptr;
218 time_t now;
219 int killed = 0;
220 int longrunners = 0;
221
222 now = time(NULL);
224 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
225 if (
226 (ccptr != CC)
227 && (CtdlGetConfigLong("c_sleeping") > 0)
228 && (now - (ccptr->lastcmd) > CtdlGetConfigLong("c_sleeping"))
229 ) {
230 if (!ccptr->dont_term) {
231 ccptr->kill_me = KILLME_IDLE;
232 ++killed;
233 }
234 else {
235 ++longrunners;
236 }
237 }
238 }
240 if (killed > 0) {
241 syslog(LOG_INFO, "context: scheduled %d idle sessions for termination", killed);
242 }
243 if (longrunners > 0) {
244 syslog(LOG_INFO, "context: did not terminate %d protected idle sessions", longrunners);
245 }
246}
247
248
249/*
250 * During shutdown, close the sockets of any sessions still connected.
251 */
253{
254 CitContext *ccptr;
255 int killed = 0;
256
258 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
259 if (ccptr->client_socket != -1)
260 {
261 syslog(LOG_INFO, "context: terminate_all_sessions() is murdering %s CC[%d]", ccptr->curr_user, ccptr->cs_pid);
262 close(ccptr->client_socket);
263 ccptr->client_socket = -1;
264 killed++;
265 }
266 }
268 if (killed > 0) {
269 syslog(LOG_INFO, "context: flushed %d stuck sessions", killed);
270 }
271}
272
273
274
275/*
276 * Terminate a session.
277 */
279{
280 const char *c;
281 if (con == NULL) {
282 syslog(LOG_ERR, "context: RemoveContext() called with NULL, this should not happen");
283 return;
284 }
285 c = con->ServiceName;
286 if (c == NULL) {
287 c = "WTF?";
288 }
289 syslog(LOG_DEBUG, "context: RemoveContext(%s) session %d", c, con->cs_pid);
290
291 /* Run any cleanup routines registered by loadable modules.
292 * Note: We have to "become_session()" because the cleanup functions
293 * might make references to "CC" assuming it's the right one.
294 */
295 become_session(con);
298 client_close(); /* If the client is still connected, blow 'em away. */
299 become_session(NULL);
300
301 syslog(LOG_INFO, "context: [%3d]SRV[%s] Session ended.", con->cs_pid, c);
302
303 /*
304 * If the client is still connected, blow 'em away.
305 * if the socket is 0 or -1, its already gone or was never there.
306 */
307 if (con->client_socket > 0)
308 {
309 syslog(LOG_INFO, "context: closing socket %d", con->client_socket);
310 close(con->client_socket);
311 }
312
313 /* If using AUTHMODE_LDAP, free the DN */
314 if (con->ldap_dn) {
315 free(con->ldap_dn);
316 con->ldap_dn = NULL;
317 }
318 FreeStrBuf(&con->StatusMessage);
319 FreeStrBuf(&con->MigrateBuf);
320 FreeStrBuf(&con->RecvBuf.Buf);
321 if (con->cached_msglist) {
322 free(con->cached_msglist);
323 }
324
325 syslog(LOG_DEBUG, "context: done with RemoveContext()");
326}
327
328
329
330/*
331 * Initialize a new context and place it in the list. The session number
332 * used to be the PID (which is why it's called cs_pid), but that was when we
333 * had one process per session. Now we just assign them sequentially, starting
334 * at 1 (don't change it to 0 because masterCC uses 0).
335 */
337 CitContext *me;
338
339 me = (CitContext *) malloc(sizeof(CitContext));
340 if (me == NULL) {
341 syslog(LOG_ERR, "citserver: malloc() failed: %m");
342 return NULL;
343 }
344 memset(me, 0, sizeof(CitContext));
345
346 /* Give the context a name. Hopefully makes it easier to track */
347 strcpy (me->user.fullname, "SYS_notauth");
348
349 /* The new context will be created already in the CON_EXECUTING state
350 * in order to prevent another thread from grabbing it while it's
351 * being set up.
352 */
353 me->state = CON_EXECUTING;
354 /*
355 * Generate a unique session number and insert this context into
356 * the list.
357 */
358 me->MigrateBuf = NewStrBuf();
359
360 me->RecvBuf.Buf = NewStrBuf();
361
362 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. */
363
364
366 me->cs_pid = ++next_pid;
367 me->prev = NULL;
368 me->next = ContextList;
369 ContextList = me;
370 if (me->next != NULL) {
371 me->next->prev = me;
372 }
373 ++num_sessions;
375 return (me);
376}
377
378
379/*
380 * Initialize a new context and place it in the list. The session number
381 * used to be the PID (which is why it's called cs_pid), but that was when we
382 * had one process per session. Now we just assign them sequentially, starting
383 * at 1 (don't change it to 0 because masterCC uses 0).
384 */
386 CitContext *me;
387
388 me = (CitContext *) malloc(sizeof(CitContext));
389 if (me == NULL) {
390 syslog(LOG_ERR, "citserver: malloc() failed: %m");
391 return NULL;
392 }
393 memcpy(me, CloneMe, sizeof(CitContext));
394
395 memset(&me->RecvBuf, 0, sizeof(IOBuffer));
396 memset(&me->SendBuf, 0, sizeof(IOBuffer));
397 memset(&me->SBuf, 0, sizeof(IOBuffer));
398 me->MigrateBuf = NULL;
399 me->sMigrateBuf = NULL;
400 me->redirect_buffer = NULL;
401#ifdef HAVE_OPENSSL
402 me->ssl = NULL;
403#endif
404
405 me->download_fp = NULL;
406 me->upload_fp = NULL;
407 /// TODO: what about the room/user?
408 me->ma = NULL;
409 me->openid_data = NULL;
410 me->ldap_dn = NULL;
411 me->session_specific_data = NULL;
412
413 me->CIT_ICAL = NULL;
414
415 me->cached_msglist = NULL;
416 me->download_fp = NULL;
417 me->upload_fp = NULL;
418 me->client_socket = 0;
419
420 me->MigrateBuf = NewStrBuf();
421 me->RecvBuf.Buf = NewStrBuf();
422
424 {
425 me->cs_pid = ++next_pid;
426 me->prev = NULL;
427 me->next = ContextList;
428 me->lastcmd = time(NULL); /* set lastcmd to now to prevent idle timer infanticide */
429 ContextList = me;
430 if (me->next != NULL) {
431 me->next->prev = me;
432 }
433 ++num_sessions;
434 }
436 return (me);
437}
438
439
440/*
441 * Return an array containing a copy of the context list.
442 * This allows worker threads to perform "for each context" operations without
443 * having to lock and traverse the live list.
444 */
446{
447 int nContexts, i;
448 CitContext *nptr, *cptr;
449
450 nContexts = num_sessions;
451 nptr = malloc(sizeof(CitContext) * nContexts);
452 if (!nptr) {
453 *count = 0;
454 return NULL;
455 }
457 for (cptr = ContextList, i=0; cptr != NULL && i < nContexts; cptr = cptr->next, i++) {
458 memcpy(&nptr[i], cptr, sizeof (CitContext));
459 }
461
462 *count = i;
463 return nptr;
464}
465
466
467
468/*
469 * Back-end function for starting a session
470 */
472{
473 /*
474 * Initialize some variables specific to our context.
475 */
476 con->logged_in = 0;
477 con->internal_pgm = 0;
478 con->download_fp = NULL;
479 con->upload_fp = NULL;
480 con->cached_msglist = NULL;
481 con->cached_num_msgs = 0;
482 con->FirstExpressMessage = NULL;
483 time(&con->lastcmd);
484 time(&con->lastidle);
485 strcpy(con->lastcmdname, " ");
486 strcpy(con->cs_clientname, "(unknown)");
487 strcpy(con->curr_user, NLI);
488 *con->cs_clientinfo = '\0';
489 safestrncpy(con->cs_host, CtdlGetConfigStr("c_fqdn"), sizeof con->cs_host);
490 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
491 con->cs_UDSclientUID = -1;
492 con->cs_host[sizeof con->cs_host - 1] = 0;
493 if (!CC->is_local_client) {
494 locate_host(con->cs_host, sizeof con->cs_host,
495 con->cs_addr, sizeof con->cs_addr,
496 con->client_socket
497 );
498 }
499 else {
500 con->cs_host[0] = 0;
501 con->cs_addr[0] = 0;
502#ifdef HAVE_STRUCT_UCRED
503 {
504 /* as http://www.wsinnovations.com/softeng/articles/uds.html told us... */
505 struct ucred credentials;
506 socklen_t ucred_length = sizeof(struct ucred);
507
508 /*fill in the user data structure */
509 if(getsockopt(con->client_socket, SOL_SOCKET, SO_PEERCRED, &credentials, &ucred_length)) {
510 syslog(LOG_ERR, "context: could obtain credentials from unix domain socket");
511
512 }
513 else {
514 /* the process ID of the process on the other side of the socket */
515 /* credentials.pid; */
516
517 /* the effective UID of the process on the other side of the socket */
518 con->cs_UDSclientUID = credentials.uid;
519
520 /* the effective primary GID of the process on the other side of the socket */
521 /* credentials.gid; */
522
523 /* To get supplemental groups, we will have to look them up in our account
524 database, after a reverse lookup on the UID to get the account name.
525 We can take this opportunity to check to see if this is a legit account.
526 */
527 snprintf(con->cs_clientinfo, sizeof(con->cs_clientinfo),
528 "PID: "F_PID_T"; UID: "F_UID_T"; GID: "F_XPID_T" ",
529 credentials.pid,
530 credentials.uid,
531 credentials.gid);
532 }
533 }
534#endif
535 }
536 con->cs_flags = 0;
537
538 con->nologin = 0;
539 if (((CtdlGetConfigInt("c_maxsessions") > 0)&&(num_sessions > CtdlGetConfigInt("c_maxsessions"))) || CtdlWantSingleUser()) {
540 con->nologin = 1;
541 }
542
543 syslog(LOG_INFO, "context: session (%s) started from %s (%s) uid=%d",
544 con->ServiceName, con->cs_host, con->cs_addr, con->cs_UDSclientUID
545 );
546
547 /* Run any session startup routines registered by loadable modules */
549}
550
551
552/*
553 * This function fills in a context and its user field correctly
554 * Then creates/loads that user
555 */
556void CtdlFillSystemContext(CitContext *context, char *name)
557{
558 char sysname[SIZ];
559 long len;
560
561 memset(context, 0, sizeof(CitContext));
562 context->internal_pgm = 1;
563 context->cs_pid = 0;
564 strcpy (sysname, "SYS_");
565 strcat (sysname, name);
566 len = strlen(sysname);
567 memcpy(context->curr_user, sysname, len + 1);
568 context->client_socket = (-1);
569 context->state = CON_SYS;
570 context->ServiceName = name;
571
572 /* internal_create_user has the side effect of loading the user regardless of whether they
573 * already existed or needed to be created
574 */
575 internal_create_user(sysname, &(context->user), -1) ;
576
577 /* Check to see if the system user needs upgrading */
578 if (context->user.usernum == 0)
579 { /* old system user with number 0, upgrade it */
580 context->user.usernum = get_new_user_number();
581 syslog(LOG_INFO, "context: upgrading system user \"%s\" from user number 0 to user number %ld", context->user.fullname, context->user.usernum);
582 /* add user to the database */
583 CtdlPutUser(&(context->user));
584 cdb_store(CDB_USERSBYNUMBER, &(context->user.usernum), sizeof(long), context->user.fullname, strlen(context->user.fullname)+1);
585 }
586}
587
588
589/*
590 * Cleanup any contexts that are left lying around
591 */
593{
594 CitContext *ptr = NULL;
595 CitContext *rem = NULL;
596
597 /*
598 * Clean up the contexts.
599 * There are no threads so no critical_section stuff is needed.
600 */
601 ptr = ContextList;
602
603 /* We need to update the ContextList because some modules may want to itterate it
604 * Question is should we NULL it before iterating here or should we just keep updating it
605 * as we remove items?
606 *
607 * Answer is to NULL it first to prevent modules from doing any actions on the list at all
608 */
609 ContextList=NULL;
610 while (ptr != NULL){
611 /* Remove the session from the active list */
612 rem = ptr->next;
613 --num_sessions;
614
615 syslog(LOG_DEBUG, "context: context_cleanup() purging session %d", ptr->cs_pid);
616 RemoveContext(ptr);
617 free (ptr);
618 ptr = rem;
619 }
620}
621
622
623
624/*
625 * Purge all sessions which have the 'kill_me' flag set.
626 * This function has code to prevent it from running more than once every
627 * few seconds, because running it after every single unbind would waste a lot
628 * of CPU time and keep the context list locked too much. To force it to run
629 * anyway, set "force" to nonzero.
630 */
631void dead_session_purge(int force) {
632 CitContext *ptr, *ptr2; /* general-purpose utility pointer */
633 CitContext *rem = NULL; /* list of sessions to be destroyed */
634
635 if (force == 0) {
636 if ( (time(NULL) - last_purge) < 5 ) {
637 return; /* Too soon, go away */
638 }
639 }
640 time(&last_purge);
641
643 return;
644
645 ptr = ContextList;
646 while (ptr) {
647 ptr2 = ptr;
648 ptr = ptr->next;
649
650 if ( (ptr2->state == CON_IDLE) && (ptr2->kill_me) ) {
651 /* Remove the session from the active list */
652 if (ptr2->prev) {
653 ptr2->prev->next = ptr2->next;
654 }
655 else {
656 ContextList = ptr2->next;
657 }
658 if (ptr2->next) {
659 ptr2->next->prev = ptr2->prev;
660 }
661
662 --num_sessions;
663 /* And put it on our to-be-destroyed list */
664 ptr2->next = rem;
665 rem = ptr2;
666 }
667 }
669
670 /* Now that we no longer have the session list locked, we can take
671 * our time and destroy any sessions on the to-be-killed list, which
672 * is allocated privately on this thread's stack.
673 */
674 while (rem != NULL) {
675 syslog(LOG_DEBUG, "context: dead_session_purge() purging session %d, reason=%d", rem->cs_pid, rem->kill_me);
676 RemoveContext(rem);
677 ptr = rem;
678 rem = rem->next;
679 free(ptr);
680 }
681}
682
683
684
685
686
687/*
688 * masterCC is the context we use when not attached to a session. This
689 * function initializes it.
690 */
692 memset(&masterCC, 0, sizeof(struct CitContext));
694 masterCC.cs_pid = 0;
695}
696
697
698
699
700
701/*
702 * Set the "async waiting" flag for a session, if applicable
703 */
704void set_async_waiting(struct CitContext *ccptr)
705{
706 syslog(LOG_DEBUG, "context: setting async_waiting flag for session %d", ccptr->cs_pid);
707 if (ccptr->is_async) {
708 ccptr->async_waiting++;
709 if (ccptr->state == CON_IDLE) {
710 ccptr->state = CON_READY;
711 }
712 }
713}
714
715
717{
718 if (!threading) {
719 }
720 return "session";
721}
char * CtdlGetConfigStr(char *key)
Definition: config.c:393
int CtdlGetConfigInt(char *key)
Definition: config.c:426
long CtdlGetConfigLong(char *key)
Definition: config.c:437
void terminate_all_sessions(void)
Definition: context.c:252
void terminate_idle_sessions(void)
Definition: context.c:215
int num_sessions
Definition: context.c:24
void InitializeMasterCC(void)
Definition: context.c:691
CitContext * MyContext(void)
Definition: context.c:201
int CtdlIsUserLoggedInByNum(long usernum)
Definition: context.c:177
CitContext * ContextList
Definition: context.c:22
int CtdlWantSingleUser(void)
Definition: context.c:57
CitContext masterCC
Definition: context.c:21
CitContext * CreateNewContext(void)
Definition: context.c:336
pthread_key_t MyConKey
Definition: context.c:20
void CtdlBumpNewMailCounter(long which_user)
Definition: context.c:130
void RemoveContext(CitContext *con)
Definition: context.c:278
time_t last_purge
Definition: context.c:23
int CtdlTerminateOtherSession(int session_num)
Definition: context.c:81
int CtdlTrySingleUser(void)
Definition: context.c:32
int next_pid
Definition: context.c:25
void set_async_waiting(struct CitContext *ccptr)
Definition: context.c:704
void dead_session_purge(int force)
Definition: context.c:631
void BumpNewMailCounter(long which_user)
Definition: context.c:125
int CtdlIsUserLoggedIn(char *user_name)
Definition: context.c:152
void context_cleanup(void)
Definition: context.c:592
void CtdlFillSystemContext(CitContext *context, char *name)
Definition: context.c:556
void CtdlEndSingleUser(void)
Definition: context.c:49
static int want_single_user
Definition: context.c:28
int CtdlIsSingleUser(void)
Definition: context.c:63
CitContext * CloneContext(CitContext *CloneMe)
Definition: context.c:385
void begin_session(CitContext *con)
Definition: context.c:471
CitContext * CtdlGetContextArray(int *count)
Definition: context.c:445
#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:208
void CtdlPutUser(struct ctdluser *usbuf)
Definition: user_ops.c:128
void CtdlUserLogout(void)
Definition: user_ops.c:750
#define CTDL_MODULE_INIT(module_name)
Definition: ctdl_module.h:50
int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
Definition: database.c:397
void locate_host(char *tbuf, size_t n, char *abuf, size_t na, int client_socket)
Definition: locate_host.c:58
void * malloc(size_t)
void free(void *)
void PerformSessionHooks(int EventType)
#define EVT_STOP
Definition: server.h:212
@ KILLME_IDLE
Definition: server.h:89
@ KILLME_ADMIN_TERMINATE
Definition: server.h:94
@ CDB_USERSBYNUMBER
Definition: server.h:196
@ S_SINGLE_USER
Definition: server.h:155
@ S_SESSION_TABLE
Definition: server.h:137
#define EVT_START
Definition: server.h:213
int snprintf(char *buf, size_t max, const char *fmt,...)
Definition: snprintf.c:69
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
cit_uint8_t axlevel
Definition: citadel.h:86
char fullname[64]
Definition: citadel.h:90
long usernum
Definition: citadel.h:87
#define SIZ
Definition: sysconfig.h:33
#define NLI
Definition: sysconfig.h:18
void client_close(void)
Definition: sysdep.c:295
void begin_critical_section(int which_one)
Definition: threads.c:67
void end_critical_section(int which_one)
Definition: threads.c:85
int try_critical_section(int which_one)
Definition: threads.c:49
int internal_create_user(char *username, struct ctdluser *usbuf, uid_t uid)
Definition: user_ops.c:1018