-/*
- * Citadel context management stuff.
- * Here's where we (hopefully) have all the code that manipulates contexts.
- *
- * Copyright (c) 1987-2015 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+//
+// Citadel context management stuff.
+// Here's where we (hopefully) have all the code that manipulates contexts.
+//
+// Copyright (c) 1987-2020 by the citadel.org team
+//
+// This program is open source software. Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
+// The program is distributed without any warranty, expressed or implied.
#include "ctdl_module.h"
#include "serv_extensions.h"
-#include "ecrash.h"
-
#include "citserver.h"
#include "user_ops.h"
#include "locate_host.h"
/* Try to go single user */
-int CtdlTrySingleUser(void)
-{
+int CtdlTrySingleUser(void) {
int can_do = 0;
begin_critical_section(S_SINGLE_USER);
return can_do;
}
-void CtdlEndSingleUser(void)
-{
+
+void CtdlEndSingleUser(void) {
begin_critical_section(S_SINGLE_USER);
want_single_user = 0;
end_critical_section(S_SINGLE_USER);
}
-int CtdlWantSingleUser(void)
-{
+int CtdlWantSingleUser(void) {
return want_single_user;
}
-int CtdlIsSingleUser(void)
-{
- if (want_single_user)
- {
+
+int CtdlIsSingleUser(void) {
+ if (want_single_user) {
/* check for only one context here */
if (num_sessions == 1)
- return TRUE;
+ return 1;
}
- return FALSE;
+ return 0;
}
-
-
-
/*
* Locate a context by its session number and terminate it if the user is able.
* User can NOT terminate their current session.
* User CAN terminate any other session that has them logged in.
* Aide CAN terminate any session except the current one.
*/
-int CtdlTerminateOtherSession (int session_num)
-{
- struct CitContext *CCC = CC;
+int CtdlTerminateOtherSession (int session_num) {
int ret = 0;
CitContext *ccptr;
int aide;
- if (session_num == CCC->cs_pid) return TERM_NOTALLOWED;
+ if (session_num == CC->cs_pid) return TERM_NOTALLOWED;
- aide = ( (CCC->user.axlevel >= AxAideU) || (CCC->internal_pgm) ) ;
+ aide = ( (CC->user.axlevel >= AxAideU) || (CC->internal_pgm) ) ;
syslog(LOG_DEBUG, "context: locating session to kill");
begin_critical_section(S_SESSION_TABLE);
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
if (session_num == ccptr->cs_pid) {
ret |= TERM_FOUND;
- if ((ccptr->user.usernum == CCC->user.usernum) || aide) {
+ if ((ccptr->user.usernum == CC->user.usernum) || aide) {
ret |= TERM_ALLOWED;
}
break;
if (((ret & TERM_FOUND) != 0) && ((ret & TERM_ALLOWED) != 0))
{
- if (ccptr->user.usernum == CCC->user.usernum)
+ if (ccptr->user.usernum == CC->user.usernum)
ccptr->kill_me = KILLME_ADMIN_TERMINATE;
else
ccptr->kill_me = KILLME_IDLE;
}
-
/*
* Check to see if the user who we just sent mail to is logged in. If yes,
* bump the 'new mail' counter for their session. That enables them to
* receive a new mail notification without having to hit the database.
*/
-void BumpNewMailCounter(long which_user)
-{
+void BumpNewMailCounter(long which_user) {
CtdlBumpNewMailCounter(which_user);
}
-void CtdlBumpNewMailCounter(long which_user)
-{
+
+void CtdlBumpNewMailCounter(long which_user) {
CitContext *ptr;
begin_critical_section(S_SESSION_TABLE);
* The user may not have been logged in when this function was called BUT
* because of threading the user might be logged in before you test the result.
*/
-int CtdlIsUserLoggedIn (char *user_name)
-{
+int CtdlIsUserLoggedIn(char *user_name) {
CitContext *cptr;
int ret = 0;
}
-
/*
* Check to see if a user is currently logged in.
* Basically same as CtdlIsUserLoggedIn() but uses the user number instead.
* The user may not have been logged in when this function was called BUT
* because of threading the user might be logged in before you test the result.
*/
-int CtdlIsUserLoggedInByNum (long usernum)
-{
+int CtdlIsUserLoggedInByNum (long usernum) {
CitContext *cptr;
int ret = 0;
}
-
/*
* Return a pointer to the CitContext structure bound to the thread which
* called this function. If there's no such binding (for example, if it's
}
-
-
/*
* Terminate idle sessions. This function pounds through the session table
* comparing the current time to each session's time-of-last-command. If an
* idle session is found it is terminated, then the search restarts at the
* beginning because the pointer to our place in the list becomes invalid.
*/
-void terminate_idle_sessions(void)
-{
+void terminate_idle_sessions(void) {
CitContext *ccptr;
time_t now;
int killed = 0;
/*
* During shutdown, close the sockets of any sessions still connected.
*/
-void terminate_all_sessions(void)
-{
+void terminate_all_sessions(void) {
CitContext *ccptr;
int killed = 0;
}
-
/*
* Terminate a session.
*/
-void RemoveContext (CitContext *con)
-{
+void RemoveContext (CitContext *con) {
const char *c;
if (con == NULL) {
syslog(LOG_ERR, "context: RemoveContext() called with NULL, this should not happen");
c = "WTF?";
}
syslog(LOG_DEBUG, "context: RemoveContext(%s) session %d", c, con->cs_pid);
-/// cit_backtrace();
/* Run any cleanup routines registered by loadable modules.
* Note: We have to "become_session()" because the cleanup functions
* If the client is still connected, blow 'em away.
* if the socket is 0 or -1, its already gone or was never there.
*/
- if (con->client_socket > 0)
- {
+ if (con->client_socket > 0) {
syslog(LOG_INFO, "context: closing socket %d", con->client_socket);
close(con->client_socket);
}
}
-
/*
* Initialize a new context and place it in the list. The session number
* used to be the PID (which is why it's called cs_pid), but that was when we
* This allows worker threads to perform "for each context" operations without
* having to lock and traverse the live list.
*/
-CitContext *CtdlGetContextArray(int *count)
-{
+CitContext *CtdlGetContextArray(int *count) {
int nContexts, i;
CitContext *nptr, *cptr;
}
-
/*
* Back-end function for starting a session
*/
-void begin_session(CitContext *con)
-{
+void begin_session(CitContext *con) {
/*
* Initialize some variables specific to our context.
*/
strcpy(con->lastcmdname, " ");
strcpy(con->cs_clientname, "(unknown)");
strcpy(con->curr_user, NLI);
- *con->net_node = '\0';
- *con->fake_username = '\0';
- *con->fake_hostname = '\0';
- *con->fake_roomname = '\0';
*con->cs_clientinfo = '\0';
safestrncpy(con->cs_host, CtdlGetConfigStr("c_fqdn"), sizeof con->cs_host);
safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
con->cs_UDSclientUID = -1;
con->cs_host[sizeof con->cs_host - 1] = 0;
- if (!CC->is_local_socket) {
+ if (!CC->is_local_client) {
locate_host(con->cs_host, sizeof con->cs_host,
con->cs_addr, sizeof con->cs_addr,
con->client_socket
#endif
}
con->cs_flags = 0;
- con->upload_type = UPL_FILE;
- con->dl_is_net = 0;
con->nologin = 0;
if (((CtdlGetConfigInt("c_maxsessions") > 0)&&(num_sessions > CtdlGetConfigInt("c_maxsessions"))) || CtdlWantSingleUser()) {
con->nologin = 1;
}
- if (!CC->is_local_socket) {
- syslog(LOG_INFO, "context: session (%s) started from %s (%s)", con->ServiceName, con->cs_host, con->cs_addr);
- }
- else {
- syslog(LOG_INFO, "context: session (%s) started via local socket with uid=%d", con->ServiceName, con->cs_UDSclientUID);
- }
+ syslog(LOG_INFO, "context: session (%s) started from %s (%s) uid=%d",
+ con->ServiceName, con->cs_host, con->cs_addr, con->cs_UDSclientUID
+ );
/* Run any session startup routines registered by loadable modules */
PerformSessionHooks(EVT_START);
* This function fills in a context and its user field correctly
* Then creates/loads that user
*/
-void CtdlFillSystemContext(CitContext *context, char *name)
-{
+void CtdlFillSystemContext(CitContext *context, char *name) {
char sysname[SIZ];
long len;
context->cs_pid = 0;
strcpy (sysname, "SYS_");
strcat (sysname, name);
- len = cutuserkey(sysname);
+ len = strlen(sysname);
memcpy(context->curr_user, sysname, len + 1);
context->client_socket = (-1);
context->state = CON_SYS;
internal_create_user(sysname, &(context->user), -1) ;
/* Check to see if the system user needs upgrading */
- if (context->user.usernum == 0)
- { /* old system user with number 0, upgrade it */
+ if (context->user.usernum == 0) { /* old system user with number 0, upgrade it */
context->user.usernum = get_new_user_number();
syslog(LOG_INFO, "context: upgrading system user \"%s\" from user number 0 to user number %ld", context->user.fullname, context->user.usernum);
/* add user to the database */
/*
* Cleanup any contexts that are left lying around
*/
-void context_cleanup(void)
-{
+void context_cleanup(void) {
CitContext *ptr = NULL;
CitContext *rem = NULL;
}
-
/*
* Purge all sessions which have the 'kill_me' flag set.
* This function has code to prevent it from running more than once every
}
-
-
-
/*
* masterCC is the context we use when not attached to a session. This
* function initializes it.
}
-
-
-
/*
* Set the "async waiting" flag for a session, if applicable
*/
-void set_async_waiting(struct CitContext *ccptr)
-{
+void set_async_waiting(struct CitContext *ccptr) {
syslog(LOG_DEBUG, "context: setting async_waiting flag for session %d", ccptr->cs_pid);
if (ccptr->is_async) {
ccptr->async_waiting++;
projects / citadel.git / blobdiff