/*
* Main source module for the Citadel server
*
- * Copyright (c) 1987-2017 by the citadel.org team
+ * Copyright (c) 1987-2020 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.
#include <sys/stat.h>
#include "sysdep.h"
#include <time.h>
-#if HAVE_BACKTRACE
-#include <execinfo.h>
-#endif
#include <libcitadel.h>
#include "ctdl_module.h"
int panic_fd;
int openid_level_supported = 0;
-/*
- * print the actual stack frame.
- */
-void cit_backtrace(void)
-{
-#ifdef HAVE_BACKTRACE
- void *stack_frames[50];
- size_t size, i;
- char **strings;
-
- const char *p = IOSTR;
- if (p == NULL) p = "";
- size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
- strings = backtrace_symbols(stack_frames, size);
- for (i = 0; i < size; i++) {
- if (strings != NULL) {
- syslog(LOG_DEBUG, "citserver: %s %s", p, strings[i]);
- }
- else {
- syslog(LOG_DEBUG, "citserver: %s %p", p, stack_frames[i]);
- }
- }
- free(strings);
-#endif
-}
-
-void cit_oneline_backtrace(void)
-{
-#ifdef HAVE_BACKTRACE
- void *stack_frames[50];
- size_t size, i;
- char **strings;
- StrBuf *Buf;
-
- size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
- strings = backtrace_symbols(stack_frames, size);
- if (size > 0)
- {
- Buf = NewStrBuf();
- for (i = 1; i < size; i++) {
- if (strings != NULL)
- StrBufAppendPrintf(Buf, "%s : ", strings[i]);
- else
- StrBufAppendPrintf(Buf, "%p : ", stack_frames[i]);
- }
- free(strings);
- syslog(LOG_DEBUG, "citserver: %s %s", IOSTR, ChrPtr(Buf));
- FreeStrBuf(&Buf);
- }
-#endif
-}
-
-
-/*
- * print the actual stack frame.
- */
-void cit_panic_backtrace(int SigNum)
-{
-#ifdef HAVE_BACKTRACE
- void *stack_frames[10];
- size_t size, i;
- char **strings;
-
- printf("caught signal 11\n");
- size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
- strings = backtrace_symbols(stack_frames, size);
- for (i = 0; i < size; i++) {
- if (strings != NULL) {
- syslog(LOG_DEBUG, "%s", strings[i]);
- }
- else {
- syslog(LOG_DEBUG, "%p", stack_frames[i]);
- }
- }
- free(strings);
-#endif
- exit(-1);
-}
/*
* Various things that need to be initialized at startup
*/
-void master_startup(void) {
+void master_startup(void)
+{
struct timeval tv;
unsigned int seed;
FILE *urandom;
int rv;
struct passwd *pw;
gid_t gid;
-
+
syslog(LOG_DEBUG, "master_startup() started");
time(&server_startup_time);
validate_config();
migrate_legacy_control_record();
+ // If we have an existing database that is older than version 928, reindex the user records.
+ // Unfortunately we cannot do this in serv_upgrade.c because it needs to happen VERY early during startup.
+ int existing_db = CtdlGetConfigInt("MM_hosted_upgrade_level");
+ if ( (existing_db > 0) && (existing_db < 928) ) {
+ ForEachUser(reindex_user_928, NULL);
+ }
+
/* Check floor reference counts */
check_ref_counts();
syslog(LOG_INFO, "Creating base rooms (if necessary)");
- CtdlCreateRoom(CtdlGetConfigStr("c_baseroom"), 0, "", 0, 1, 0, VIEW_BBS);
- CtdlCreateRoom(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
- CtdlCreateRoom(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
- CtdlCreateRoom(CtdlGetConfigStr("c_twitroom"), 0, "", 0, 1, 0, VIEW_BBS);
+ CtdlCreateRoom(CtdlGetConfigStr("c_baseroom"), 0, "", 0, 1, 0, VIEW_BBS);
+ CtdlCreateRoom(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
+ CtdlCreateRoom(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
+ CtdlCreateRoom(CtdlGetConfigStr("c_twitroom"), 0, "", 0, 1, 0, VIEW_BBS);
/* The "Local System Configuration" room doesn't need to be visible */
- if (CtdlGetRoomLock(&qrbuf, SYSCONFIGROOM) == 0) {
- qrbuf.QRflags2 |= QR2_SYSTEM;
- CtdlPutRoomLock(&qrbuf);
- }
+ if (CtdlGetRoomLock(&qrbuf, SYSCONFIGROOM) == 0) {
+ qrbuf.QRflags2 |= QR2_SYSTEM;
+ CtdlPutRoomLock(&qrbuf);
+ }
/* Aide needs to be public postable, else we're not RFC conformant. */
- if (CtdlGetRoomLock(&qrbuf, AIDEROOM) == 0) {
- qrbuf.QRflags2 |= QR2_SMTP_PUBLIC;
- CtdlPutRoomLock(&qrbuf);
- }
+ if (CtdlGetRoomLock(&qrbuf, AIDEROOM) == 0) {
+ qrbuf.QRflags2 |= QR2_SMTP_PUBLIC;
+ CtdlPutRoomLock(&qrbuf);
+ }
syslog(LOG_INFO, "Seeding the pseudo-random number generator...");
urandom = fopen("/dev/urandom", "r");
syslog(LOG_ERR, "citserver: failed to read random seed: %m");
}
fclose(urandom);
- }
- else {
+ } else {
gettimeofday(&tv, NULL);
seed = tv.tv_usec;
}
/*
* Cleanup routine to be called when the server is shutting down. Returns the needed exit code.
*/
-int master_cleanup(int exitcode) {
+int master_cleanup(int exitcode)
+{
struct CleanupFunctionHook *fcn;
static int already_cleaning_up = 0;
- if (already_cleaning_up) while(1) usleep(1000000);
+ if (already_cleaning_up) {
+ while (1) {
+ usleep(1000000);
+ }
+ }
already_cleaning_up = 1;
/* Run any cleanup routines registered by loadable modules */
for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
- (*fcn->h_function_pointer)();
+ (*fcn->h_function_pointer) ();
}
- /* Close the AdjRefCount queue file */
- AdjRefCount(-1, 0);
-
/* Do system-dependent stuff */
sysdep_master_cleanup();
/* Close the configuration system */
shutdown_config_system();
-
+
/* Close databases */
syslog(LOG_INFO, "Closing databases\n");
close_databases();
/* If the operator requested a halt but not an exit, halt here. */
if (shutdown_and_halt) {
syslog(LOG_ERR, "citserver: Halting server without exiting.");
- fflush(stdout); fflush(stderr);
- while(1) {
+ fflush(stdout);
+ fflush(stderr);
+ while (1) {
sleep(32767);
}
}
-
+
/* Now go away. */
syslog(LOG_ERR, "citserver: Exiting with status %d", exitcode);
- fflush(stdout); fflush(stderr);
-
+ fflush(stdout);
+ fflush(stderr);
+
if (restart_server != 0) {
exitcode = 1;
- }
- else if ((running_as_daemon != 0) && ((exitcode == 0) )) {
+ } else if ((running_as_daemon != 0) && ((exitcode == 0))) {
exitcode = CTDLEXIT_SHUTDOWN;
}
- return(exitcode);
+ return (exitcode);
}
-
/*
* returns an asterisk if there are any instant messages waiting,
* space otherwise.
*/
-char CtdlCheckExpress(void) {
+char CtdlCheckExpress(void)
+{
if (CC->FirstExpressMessage == NULL) {
- return(' ');
- }
- else {
- return('*');
+ return (' ');
+ } else {
+ return ('*');
}
}
-/*
- * Check originating host against the public_clients file. This determines
- * whether the client is allowed to change the hostname for this session
- * (for example, to show the location of the user rather than the location
- * of the client).
- */
-int CtdlIsPublicClient(void)
+void citproto_begin_session()
{
- char buf[1024];
- char addrbuf[1024];
- FILE *fp;
- int i;
- char *public_clientspos;
- char *public_clientsend;
- char *paddr = NULL;
- struct stat statbuf;
- static time_t pc_timestamp = 0;
- static char public_clients[SIZ];
- static char public_clients_file[SIZ];
-
-#define LOCALHOSTSTR "127.0.0.1"
-
- snprintf(public_clients_file, sizeof public_clients_file, "%s/public_clients", ctdl_etc_dir);
-
- /*
- * Check the time stamp on the public_clients file. If it's been
- * updated since the last time we were here (or if this is the first
- * time we've been through the loop), read its contents and learn
- * the IP addresses of the listed hosts.
- */
- if (stat(public_clients_file, &statbuf) != 0) {
- /* No public_clients file exists, so bail out */
- syslog(LOG_WARNING, "Warning: '%s' does not exist", public_clients_file);
- return(0);
- }
-
- if (statbuf.st_mtime > pc_timestamp) {
- begin_critical_section(S_PUBLIC_CLIENTS);
- syslog(LOG_INFO, "Loading %s", public_clients_file);
-
- public_clientspos = &public_clients[0];
- public_clientsend = public_clientspos + SIZ;
- safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
- public_clientspos += sizeof(LOCALHOSTSTR) - 1;
-
- if (hostname_to_dotted_quad(addrbuf, CtdlGetConfigStr("c_fqdn")) == 0) {
- *(public_clientspos++) = '|';
- paddr = &addrbuf[0];
- while (!IsEmptyStr (paddr) &&
- (public_clientspos < public_clientsend))
- *(public_clientspos++) = *(paddr++);
- }
-
- fp = fopen(public_clients_file, "r");
- if (fp != NULL)
- while ((fgets(buf, sizeof buf, fp)!=NULL) &&
- (public_clientspos < public_clientsend)){
- char *ptr;
- ptr = buf;
- while (!IsEmptyStr(ptr)) {
- if (*ptr == '#') {
- *ptr = 0;
- break;
- }
- else ptr++;
- }
- ptr--;
- while (ptr>buf && isspace(*ptr)) {
- *(ptr--) = 0;
- }
- if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
- *(public_clientspos++) = '|';
- paddr = addrbuf;
- while (!IsEmptyStr(paddr) &&
- (public_clientspos < public_clientsend)){
- *(public_clientspos++) = *(paddr++);
- }
- }
- }
- if (fp != NULL) fclose(fp);
- pc_timestamp = time(NULL);
- end_critical_section(S_PUBLIC_CLIENTS);
- }
-
- syslog(LOG_DEBUG, "Checking whether %s is a local or public client", CC->cs_addr);
- for (i=0; i<num_parms(public_clients); ++i) {
- extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
- if (!strcasecmp(CC->cs_addr, addrbuf)) {
- syslog(LOG_DEBUG, "... yes its local.");
- return(1);
- }
- }
-
- /* No hits. This is not a public client. */
- syslog(LOG_DEBUG, "... no it isn't.");
- return(0);
-}
-
-
-
-
-
-void citproto_begin_session() {
- if (CC->nologin==1) {
- cprintf("%d %s: Too many users are already online (maximum is %d)\n",
- ERROR + MAX_SESSIONS_EXCEEDED,
- CtdlGetConfigStr("c_nodename"), CtdlGetConfigInt("c_maxsessions")
- );
+ if (CC->nologin == 1) {
+ cprintf("%d Too many users are already online (maximum is %d)\n",
+ ERROR + MAX_SESSIONS_EXCEEDED, CtdlGetConfigInt("c_maxsessions")
+ );
CC->kill_me = KILLME_MAX_SESSIONS_EXCEEDED;
- }
- else {
- cprintf("%d %s Citadel server ready.\n", CIT_OK, CtdlGetConfigStr("c_nodename"));
+ } else {
+ cprintf("%d %s Citadel server ready.\n", CIT_OK, CtdlGetConfigStr("c_fqdn"));
CC->can_receive_im = 1;
}
}
-void citproto_begin_admin_session() {
+void citproto_begin_admin_session()
+{
CC->internal_pgm = 1;
- cprintf("%d %s Citadel server ADMIN CONNECTION ready.\n", CIT_OK, CtdlGetConfigStr("c_nodename"));
+ cprintf("%d %s Citadel server ADMIN CONNECTION ready.\n", CIT_OK, CtdlGetConfigStr("c_fqdn"));
}
/*
* This loop performs all asynchronous functions.
*/
-void do_async_loop(void) {
+void do_async_loop(void)
+{
PerformSessionHooks(EVT_ASYNC);
}
-
projects / citadel.git / blobdiff