/*
- * $Id$
- *
* Main source module for the Citadel server
*
+ * Copyright (c) 1987-2011 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.
*/
#include "sysdep.h"
#include <sys/types.h>
#include <sys/stat.h>
-
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#include "citadel.h"
#include "server.h"
#include "sysdep_decls.h"
+#include "threads.h"
#include "citserver.h"
#include "config.h"
#include "database.h"
#include "locate_host.h"
#include "room_ops.h"
#include "file_ops.h"
-#include "policy.h"
#include "control.h"
#include "euidindex.h"
+#include "context.h"
+#include "svn_revision.h"
#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#include "ctdl_module.h"
-
-struct CitContext *ContextList = NULL;
-struct CitContext* next_session = NULL;
char *unique_session_numbers;
int ScheduledShutdown = 0;
-int do_defrag = 0;
time_t server_startup_time;
int panic_fd;
+int openid_level_supported = 0;
-/**
- * \brief print the actual stack frame.
+/*
+ * print the actual stack frame.
*/
void cit_backtrace(void)
{
strings = backtrace_symbols(stack_frames, size);
for (i = 0; i < size; i++) {
if (strings != NULL)
- lprintf(1, "%s\n", strings[i]);
+ syslog(LOG_ALERT, "%s\n", strings[i]);
else
- lprintf(1, "%p\n", stack_frames[i]);
+ syslog(LOG_ALERT, "%p\n", stack_frames[i]);
}
free(strings);
#endif
}
-/**
- * \brief print the actual stack frame.
+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_ALERT, "%s\n", ChrPtr(Buf));
+ FreeStrBuf(&Buf);
+ }
+#endif
+}
+
+/*
+ * print the actual stack frame.
*/
void cit_panic_backtrace(int SigNum)
{
strings = backtrace_symbols(stack_frames, size);
for (i = 0; i < size; i++) {
if (strings != NULL)
- lprintf(1, "%s\n", strings[i]);
+ syslog(LOG_ALERT, "%s\n", strings[i]);
else
- lprintf(1, "%p\n", stack_frames[i]);
+ syslog(LOG_ALERT, "%p\n", stack_frames[i]);
}
free(strings);
#endif
unsigned int seed;
FILE *urandom;
struct ctdlroom qrbuf;
+ int rv;
- lprintf(CTDL_DEBUG, "master_startup() started\n");
+ syslog(LOG_DEBUG, "master_startup() started\n");
time(&server_startup_time);
+ get_config();
- lprintf(CTDL_INFO, "Opening databases\n");
+ syslog(LOG_INFO, "Opening databases\n");
open_databases();
-
- ctdl_thread_internal_init_tsd();
-
- CtdlThreadAllocTSD();
-
- if (do_defrag) {
- defrag_databases();
- }
-
check_ref_counts();
- lprintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
- create_room(config.c_baseroom, 0, "", 0, 1, 0, VIEW_BBS);
- create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
- create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
- create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
+ syslog(LOG_INFO, "Creating base rooms (if necessary)\n");
+ CtdlCreateRoom(config.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(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
/* The "Local System Configuration" room doesn't need to be visible */
- if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
+ if (CtdlGetRoomLock(&qrbuf, SYSCONFIGROOM) == 0) {
qrbuf.QRflags2 |= QR2_SYSTEM;
- lputroom(&qrbuf);
+ CtdlPutRoomLock(&qrbuf);
}
- lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
+ /* Aide needs to be public postable, else we're not RFC conformant. */
+ if (CtdlGetRoomLock(&qrbuf, AIDEROOM) == 0) {
+ qrbuf.QRflags2 |= QR2_SMTP_PUBLIC;
+ CtdlPutRoomLock(&qrbuf);
+ }
+
+ syslog(LOG_INFO, "Seeding the pseudo-random number generator...\n");
urandom = fopen("/dev/urandom", "r");
if (urandom != NULL) {
- fread(&seed, sizeof seed, 1, urandom);
+ rv = fread(&seed, sizeof seed, 1, urandom);
+ if (rv == -1)
+ syslog(LOG_EMERG, "failed to read random seed: %s\n",
+ strerror(errno));
fclose(urandom);
}
else {
gettimeofday(&tv, NULL);
seed = tv.tv_usec;
}
+ srand(seed);
srandom(seed);
- lprintf(CTDL_INFO, "Initializing ipgm secret\n");
- get_config();
- config.c_ipgm_secret = rand();
put_config();
- lprintf(CTDL_DEBUG, "master_startup() finished\n");
+ syslog(LOG_DEBUG, "master_startup() finished\n");
}
struct CleanupFunctionHook *fcn;
static int already_cleaning_up = 0;
- if (already_cleaning_up) while(1) sleep(1);
+ if (already_cleaning_up) while(1) usleep(1000000);
already_cleaning_up = 1;
/* Run any cleanup routines registered by loadable modules */
/* Close the AdjRefCount queue file */
AdjRefCount(-1, 0);
- /* Close databases */
- lprintf(CTDL_INFO, "Closing databases\n");
- close_databases();
-
/* Do system-dependent stuff */
sysdep_master_cleanup();
-#ifdef DEBUG_MEMORY_LEAKS
- dump_heap();
-#endif
+ /* 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) {
- lprintf(CTDL_NOTICE, "citserver: Halting server without exiting.\n");
+ syslog(LOG_NOTICE, "citserver: Halting server without exiting.\n");
fflush(stdout); fflush(stderr);
while(1) {
sleep(32767);
release_control();
/* Now go away. */
- lprintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
+ syslog(LOG_NOTICE, "citserver: Exiting with status %d\n", exitcode);
fflush(stdout); fflush(stderr);
if (restart_server != 0)
exit(1);
+ if ((running_as_daemon != 0) && ((exitcode == 0) ))
+ exitcode = CTDLEXIT_SHUTDOWN;
exit(exitcode);
}
-/*
- * Terminate a session.
- */
-void RemoveContext (struct CitContext *con)
-{
- if (con==NULL) {
- lprintf(CTDL_ERR,
- "WARNING: RemoveContext() called with NULL!\n");
- return;
- }
- lprintf(CTDL_DEBUG, "RemoveContext() session %d\n", con->cs_pid);
-
- /* Run any cleanup routines registered by loadable modules.
- * Note: We have to "become_session()" because the cleanup functions
- * might make references to "CC" assuming it's the right one.
- */
- become_session(con);
- PerformSessionHooks(EVT_STOP);
- become_session(NULL);
-
- /* Now handle all of the administrivia. */
- lprintf(CTDL_DEBUG, "Calling logout(%d)\n", con->cs_pid);
- logout(con);
-
- lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
-
- /* If the client is still connected, blow 'em away. */
- lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
- close(con->client_socket);
-
- lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
-}
-
-
-
-
-
/*
* cmd_info() - tell the client about this server
*/
-void cmd_info(void) {
+void cmd_info(char *cmdbuf) {
cprintf("%d Server info:\n", LISTING_FOLLOWS);
cprintf("%d\n", CC->cs_pid);
cprintf("%s\n", config.c_nodename);
cprintf("%s\n", config.c_moreprompt);
cprintf("1\n"); /* 1 = yes, this system supports floors */
cprintf("1\n"); /* 1 = we support the extended paging options */
- cprintf("%s\n", CC->cs_nonce);
+ cprintf("\n"); /* nonce no longer supported */
cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
#ifdef HAVE_LDAP
cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
#endif
- if (config.c_auth_mode == 1) {
- cprintf("1\n"); /* "create new user" never works with host auth */
+ if (config.c_auth_mode == AUTHMODE_NATIVE) {
+ cprintf("%d\n", config.c_disable_newu);
}
else {
- cprintf("%d\n", config.c_disable_newu); /* otherwise, site defined */
+ cprintf("1\n"); /* "create new user" does not work with non-native auth modes */
}
cprintf("%s\n", config.c_default_cal_zone);
- /* Output load averages */
- cprintf("%f\n", CtdlThreadLoadAvg);
- cprintf("%f\n", CtdlThreadWorkerAvg);
- cprintf("%d\n", CtdlThreadGetCount());
+
+ /* thread load averages -- temporarily disabled during refactoring of this code */
+ cprintf("0\n"); /* load average */
+ cprintf("0\n"); /* worker average */
+ cprintf("0\n"); /* thread count */
+
+ cprintf("1\n"); /* yes, Sieve mail filtering is supported */
+ cprintf("%d\n", config.c_enable_fulltext);
+ cprintf("%s\n", svn_revision());
+
+ if (config.c_auth_mode == AUTHMODE_NATIVE) {
+ cprintf("%d\n", openid_level_supported); /* OpenID is enabled when using native auth */
+ }
+ else {
+ cprintf("0\n"); /* OpenID is disabled when using non-native auth */
+ }
+
+ cprintf("%d\n", config.c_guest_logins);
cprintf("000\n");
}
}
}
-void cmd_time(void)
+void cmd_time(char *argbuf)
{
time_t tv;
struct tm tmp;
/* timezone and daylight global variables are not portable. */
#ifdef HAVE_STRUCT_TM_TM_GMTOFF
- cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
+ cprintf("%d %ld|%ld|%d|%ld\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst, server_startup_time);
#else
- cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
+ cprintf("%d %ld|%ld|%d|%ld\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst, server_startup_time);
#endif
}
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];
- snprintf(public_clients_file,
- sizeof public_clients_file,
- "%s/public_clients",
- ctdl_etc_dir);
+#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
*/
if (stat(public_clients_file, &statbuf) != 0) {
/* No public_clients file exists, so bail out */
- lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
+ syslog(LOG_WARNING, "Warning: '%s' does not exist\n",
public_clients_file);
return(0);
}
if (statbuf.st_mtime > pc_timestamp) {
begin_critical_section(S_PUBLIC_CLIENTS);
- lprintf(CTDL_INFO, "Loading %s\n", public_clients_file);
+ syslog(LOG_INFO, "Loading %s\n", public_clients_file);
- safestrncpy(public_clients, "127.0.0.1", sizeof public_clients);
+ 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, config.c_fqdn) == 0) {
- strcat(public_clients, "|");
- strcat(public_clients, addrbuf);
+ *(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) {
- char *ptr;
- ptr = buf;
- while (!IsEmptyStr(ptr)) {
- if (*ptr == '#') {
- *ptr = 0;
- break;
- }
+ 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) {
- if ((strlen(public_clients) +
- strlen(addrbuf) + 2)
- < sizeof(public_clients)) {
- strcat(public_clients, "|");
- strcat(public_clients, addrbuf);
+ }
+ 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++);
+ }
}
}
- }
- fclose(fp);
+ if (fp != NULL) fclose(fp);
pc_timestamp = time(NULL);
end_critical_section(S_PUBLIC_CLIENTS);
}
- lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
+ syslog(LOG_DEBUG, "Checking whether %s is a local or public client\n",
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)) {
- lprintf(CTDL_DEBUG, "... yes it is.\n");
+ syslog(LOG_DEBUG, "... yes its local.\n");
return(1);
}
}
/* No hits. This is not a public client. */
- lprintf(CTDL_DEBUG, "... no it isn't.\n");
+ syslog(LOG_DEBUG, "... no it isn't.\n");
return(0);
}
int rev_level;
char desc[128];
char from_host[128];
- struct in_addr addr;
- int do_lookup = 0;
if (num_parms(argbuf)<4) {
cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
CC->cs_clientname[31] = 0;
- if (!IsEmptyStr(from_host)) {
- if (CC->is_local_socket) do_lookup = 1;
- else if (is_public_client()) do_lookup = 1;
+ /* For local sockets and public clients, trust the hostname supplied by the client */
+ if ( (CC->is_local_socket) || (is_public_client()) ) {
+ safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
+ CC->cs_host[sizeof CC->cs_host - 1] = 0;
+ CC->cs_addr[0] = 0;
}
- if (do_lookup) {
- lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
- if ((addr.s_addr = inet_addr(from_host)) != -1) {
- locate_host(CC->cs_host, sizeof CC->cs_host,
- CC->cs_addr, sizeof CC->cs_addr,
- &addr);
- }
- else {
- safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
- CC->cs_host[sizeof CC->cs_host - 1] = 0;
- }
- }
-
- lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
+ syslog(LOG_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
dev_code,
cli_code,
(rev_level / 100),
(rev_level % 100),
desc,
- CC->cs_host);
+ CC->cs_host
+ );
cprintf("%d Ok\n",CIT_OK);
}
-
+typedef const char *ccharp;
/*
* display system messages or help
*/
/* Otherwise, look for the requested file by name. */
else {
- mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
+ mesg_locate(targ, sizeof targ, buf2, 2, (const ccharp*)dirs);
if (IsEmptyStr(targ)) {
snprintf(buf2, sizeof buf2, "%s.%d",
buf, CC->cs_clientdev);
mesg_locate(targ, sizeof targ, buf2, 2,
- (const char **)dirs);
+ (const ccharp*)dirs);
if (IsEmptyStr(targ)) {
mesg_locate(targ, sizeof targ, buf, 2,
- (const char **)dirs);
+ (const ccharp*)dirs);
}
}
}
dirs[0] = strdup(ctdl_message_dir);
dirs[1] = strdup(ctdl_hlp_dir);
- mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
+ mesg_locate(targ, sizeof targ, buf, 2, (const ccharp*)dirs);
free(dirs[0]);
free(dirs[1]);
}
cprintf("%d %s\n", SEND_LISTING, targ);
- while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ while (client_getln(buf, sizeof buf) >=0 && strcmp(buf, "000")) {
fprintf(mfp, "%s\n", buf);
}
* user also knows the rooms.
*/
void GenerateRoomDisplay(char *real_room,
- struct CitContext *viewed,
- struct CitContext *viewer) {
+ CitContext *viewed,
+ CitContext *viewer) {
int ra;
if (viewed->room.QRflags & QR_PRIVATE) {
CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
if ( (ra & UA_KNOWN) == 0) {
- strcpy(real_room, "<private room>");
+ strcpy(real_room, " ");
}
}
if (viewed->cs_flags & CS_CHAT) {
- while (strlen(real_room) < 14)
+ while (strlen(real_room) < 14) {
strcat(real_room, " ");
-
+ }
strcpy(&real_room[14], "<chat>");
}
return(-1);
}
+ if ((required_level >= ac_logged_in_or_guest) && (CC->logged_in == 0) && (!config.c_guest_logins)) {
+ cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
+ return(-1);
+ }
+
if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
return(-1);
}
- if (CC->user.axlevel >= 6) return(0);
+ if (CC->user.axlevel >= AxAideU) return(0);
if (required_level >= ac_aide) {
- cprintf("%d This command requires Aide access.\n",
+ cprintf("%d This command requires Admin access.\n",
ERROR + HIGHER_ACCESS_REQUIRED);
return(-1);
}
if (is_room_aide()) return(0);
if (required_level >= ac_room_aide) {
- cprintf("%d This command requires Aide or Room Aide access.\n",
+ cprintf("%d This command requires Admin or Room Admin access.\n",
ERROR + HIGHER_ACCESS_REQUIRED);
return(-1);
}
void cmd_term(char *cmdbuf)
{
int session_num;
- struct CitContext *ccptr;
- int found_it = 0;
- int allowed = 0;
+ int terminated = 0;
session_num = extract_int(cmdbuf, 0);
- if (session_num == CC->cs_pid) {
+
+ terminated = CtdlTerminateOtherSession(session_num);
+
+ if (terminated < 0) {
cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
return;
}
- lprintf(CTDL_DEBUG, "Locating session to kill\n");
- begin_critical_section(S_SESSION_TABLE);
- for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
- if (session_num == ccptr->cs_pid) {
- found_it = 1;
- if ((ccptr->user.usernum == CC->user.usernum)
- || (CC->user.axlevel >= 6)) {
- allowed = 1;
- ccptr->kill_me = 1;
- }
- else {
- allowed = 0;
- }
- }
- }
- end_critical_section(S_SESSION_TABLE);
-
- if (found_it) {
- if (allowed) {
+ if (terminated & TERM_FOUND) {
+ if (terminated == TERM_KILLED) {
cprintf("%d Session terminated.\n", CIT_OK);
}
else {
}
-
-
-
/*
* get the paginator prompt
*/
-void cmd_more(void) {
+void cmd_more(char *argbuf) {
cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
}
+
/*
* echo
*/
-/*
- * identify as internal program
- */
-void cmd_ipgm(char *argbuf)
-{
- int secret;
-
- secret = extract_int(argbuf, 0);
-
- /* For security reasons, we do NOT allow this command to run
- * over the network. Local sockets only.
- */
- if (!CC->is_local_socket) {
- sleep(5);
- cprintf("%d Authentication failed.\n",
- ERROR + PASSWORD_REQUIRED);
- }
- else if (secret == config.c_ipgm_secret) {
- CC->internal_pgm = 1;
- strcpy(CC->curr_user, "<internal program>");
- CC->cs_flags = CC->cs_flags|CS_STEALTH;
- cprintf("%d Authenticated as an internal program.\n", CIT_OK);
- }
- else {
- sleep(5);
- cprintf("%d Authentication failed.\n",
- ERROR + PASSWORD_REQUIRED);
- lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
- CC->kill_me = 1;
- }
-
- /* Now change the ipgm secret for the next round.
- * (Disabled because it breaks concurrent scripts. The fact that
- * we no longer accept IPGM over the network should be sufficient
- * to prevent brute-force attacks. If you don't agree, uncomment
- * this block.)
- get_config();
- config.c_ipgm_secret = rand();
- put_config();
- */
-}
-
-
/*
* Shut down the server
*/
restart_server = extract_int(argbuf, 0);
if (restart_server > 0)
- Reply = "%d Restarting server. See you soon.\n";
+ {
+ Reply = "%d citserver will now shut down and automatically restart.\n";
+ }
if ((restart_server > 0) && !running_as_daemon)
{
- lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
- Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
+ syslog(LOG_ERR, "The user requested restart, but not running as daemon! Geronimooooooo!\n");
+ Reply = "%d Warning: citserver is not running in daemon mode and is therefore unlikely to restart automatically.\n";
state = ERROR;
}
cprintf(Reply, state);
}
else
{
- cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
+ cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
}
- CtdlThreadStopAll();
+ CC->kill_me = KILLME_SERVER_SHUTTING_DOWN;
+ server_shutting_down = 1;
}
+
/*
* Halt the server without exiting the server process.
*/
-void cmd_halt(void) {
+void cmd_halt(char *argbuf) {
if (CtdlAccessCheck(ac_aide)) return;
cprintf("%d Halting server. Goodbye.\n", CIT_OK);
- CtdlThreadStopAll();
+ server_shutting_down = 1;
shutdown_and_halt = 1;
}
+
/*
* Schedule or cancel a server shutdown
*/
restart_server = 1;
if (!running_as_daemon)
{
- lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
+ syslog(LOG_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
state = ERROR;
}
}
-/*
- * Generate a "nonce" for APOP-style authentication.
- *
- * RFC 1725 et al specify a PID to be placed in front of the nonce.
- * Quoth BTX: That would be stupid.
- */
-void generate_nonce(struct CitContext *con) {
- struct timeval tv;
-
- memset(con->cs_nonce, NONCE_SIZE, 0);
- gettimeofday(&tv, NULL);
- memset(con->cs_nonce, NONCE_SIZE, 0);
- snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
- rand(), (long)tv.tv_usec, config.c_fqdn);
-}
-
-
-
/*
* Back-end function for starting a session
*/
-void begin_session(struct CitContext *con)
+void begin_session(CitContext *con)
{
- socklen_t len;
- struct sockaddr_in sin;
-
/*
* Initialize some variables specific to our context.
*/
con->internal_pgm = 0;
con->download_fp = NULL;
con->upload_fp = NULL;
+ con->cached_msglist = NULL;
+ con->cached_num_msgs = 0;
con->FirstExpressMessage = NULL;
time(&con->lastcmd);
time(&con->lastidle);
*con->fake_username = '\0';
*con->fake_hostname = '\0';
*con->fake_roomname = '\0';
- generate_nonce(con);
+ *con->cs_clientinfo = '\0';
safestrncpy(con->cs_host, config.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;
- len = sizeof sin;
if (!CC->is_local_socket) {
- if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
- locate_host(con->cs_host, sizeof con->cs_host,
- con->cs_addr, sizeof con->cs_addr,
- &sin.sin_addr
- );
- }
+ locate_host(con->cs_host, sizeof con->cs_host,
+ con->cs_addr, sizeof con->cs_addr,
+ con->client_socket
+ );
}
else {
- strcpy(con->cs_host, "");
+ con->cs_host[0] = 0;
+ con->cs_addr[0] = 0;
+#ifdef HAVE_STRUCT_UCRED
+ {
+ /* as http://www.wsinnovations.com/softeng/articles/uds.html told us... */
+ struct ucred credentials;
+ socklen_t ucred_length = sizeof(struct ucred);
+
+ /*fill in the user data structure */
+ if(getsockopt(con->client_socket, SOL_SOCKET, SO_PEERCRED, &credentials, &ucred_length)) {
+ syslog(LOG_NOTICE, "could obtain credentials from unix domain socket");
+
+ }
+ else {
+ /* the process ID of the process on the other side of the socket */
+ /* credentials.pid; */
+
+ /* the effective UID of the process on the other side of the socket */
+ con->cs_UDSclientUID = credentials.uid;
+
+ /* the effective primary GID of the process on the other side of the socket */
+ /* credentials.gid; */
+
+ /* To get supplemental groups, we will have to look them up in our account
+ database, after a reverse lookup on the UID to get the account name.
+ We can take this opportunity to check to see if this is a legit account.
+ */
+ snprintf(con->cs_clientinfo, sizeof(con->cs_clientinfo),
+ "PID: "F_PID_T"; UID: "F_UID_T"; GID: "F_XPID_T" ",
+ credentials.pid,
+ credentials.uid,
+ credentials.gid);
+ }
+ }
+#endif
}
con->cs_flags = 0;
con->upload_type = UPL_FILE;
con->dl_is_net = 0;
con->nologin = 0;
- if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
+ if (((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) || CtdlWantSingleUser()) {
con->nologin = 1;
}
- lprintf(CTDL_NOTICE, "Session started.\n");
+ if (!CC->is_local_socket) {
+ syslog(LOG_NOTICE, "Session (%s) started from %s (%s).\n", con->ServiceName, con->cs_host, con->cs_addr);
+ }
+ else {
+ syslog(LOG_NOTICE, "Session (%s) started via local socket UID:%d.\n", con->ServiceName, con->cs_UDSclientUID);
+ }
/* Run any session startup routines registered by loadable modules */
PerformSessionHooks(EVT_START);
ERROR + MAX_SESSIONS_EXCEEDED,
config.c_nodename, config.c_maxsessions
);
- CC->kill_me = 1;
+ CC->kill_me = KILLME_MAX_SESSIONS_EXCEEDED;
}
else {
- cprintf("%d %s Citadel server ready.\n",
- CIT_OK, config.c_nodename);
+ cprintf("%d %s Citadel server ready.\n", CIT_OK, config.c_nodename);
+ CC->can_receive_im = 1;
}
}
+void citproto_begin_admin_session() {
+ CC->internal_pgm = 1;
+ cprintf("%d %s Citadel server ADMIN CONNECTION ready.\n", CIT_OK, config.c_nodename);
+}
+
+
+void cmd_noop(char *argbuf)
+{
+ cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
+}
+
+
+void cmd_qnop(char *argbuf)
+{
+ /* do nothing, this command returns no response */
+}
+
+
+void cmd_quit(char *argbuf)
+{
+ cprintf("%d Goodbye.\n", CIT_OK);
+ CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
+}
+
+
+void cmd_lout(char *argbuf)
+{
+ if (CC->logged_in)
+ CtdlUserLogout();
+ cprintf("%d logged out.\n", CIT_OK);
+}
/*
*/
void do_command_loop(void) {
char cmdbuf[SIZ];
-
+
time(&CC->lastcmd);
memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
- lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
- CC->kill_me = 1;
+ syslog(LOG_ERR, "Citadel client disconnected: ending session.\n");
+ CC->kill_me = KILLME_CLIENT_DISCONNECTED;
return;
}
/* Log the server command, but don't show passwords... */
- if ( (strncasecmp(cmdbuf, "PASS", 4))
- && (strncasecmp(cmdbuf, "SETP", 4)) ) {
- lprintf(CTDL_INFO, "%s\n", cmdbuf);
+ if ( (strncasecmp(cmdbuf, "PASS", 4)) && (strncasecmp(cmdbuf, "SETP", 4)) ) {
+ syslog(LOG_INFO, "[%d][%s(%ld)] %s",
+ CC->cs_pid, CC->curr_user, CC->user.usernum, cmdbuf
+ );
}
else {
- lprintf(CTDL_INFO, "<password command sent>\n");
+ syslog(LOG_INFO, "[%d][%s(%ld)] <password command hidden from log>",
+ CC->cs_pid, CC->curr_user, CC->user.usernum
+ );
}
buffer_output();
safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
time(&CC->lastidle);
}
-
+
if ((strncasecmp(cmdbuf, "ENT0", 4))
&& (strncasecmp(cmdbuf, "MESG", 4))
&& (strncasecmp(cmdbuf, "MSGS", 4)))
CC->cs_flags &= ~CS_POSTING;
}
- if (!strncasecmp(cmdbuf, "NOOP", 4)) {
- cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
- }
-
- else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
- /* do nothing, this command returns no response */
- }
-
- else if (!strncasecmp(cmdbuf,"QUIT",4)) {
- cprintf("%d Goodbye.\n", CIT_OK);
- CC->kill_me = 1;
- }
-
- else if (!strncasecmp(cmdbuf,"ASYN",4)) {
- cmd_asyn(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LOUT",4)) {
- if (CC->logged_in) logout(CC);
- cprintf("%d logged out.\n", CIT_OK);
- }
-
- else if (!strncasecmp(cmdbuf,"USER",4)) {
- cmd_user(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"PASS",4)) {
- cmd_pass(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"NEWU",4)) {
- cmd_newu(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"CREU",4)) {
- cmd_creu(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"SETP",4)) {
- cmd_setp(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LRMS",4)) {
- cmd_lrms(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LKRA",4)) {
- cmd_lkra(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LKRN",4)) {
- cmd_lkrn(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LKRO",4)) {
- cmd_lkro(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LZRM",4)) {
- cmd_lzrm(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LPRM",4)) {
- cmd_lprm(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"GETU",4)) {
- cmd_getu();
- }
-
- else if (!strncasecmp(cmdbuf,"SETU",4)) {
- cmd_setu(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"GOTO",4)) {
- cmd_goto(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSGS",4)) {
- cmd_msgs(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"WHOK",4)) {
- cmd_whok();
- }
-
- else if (!strncasecmp(cmdbuf,"RDIR",4)) {
- cmd_rdir();
- }
-
- else if (!strncasecmp(cmdbuf,"EUID",4)) {
- cmd_euid(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSG0",4)) {
- cmd_msg0(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSG2",4)) {
- cmd_msg2(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSG3",4)) {
- cmd_msg3(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSG4",4)) {
- cmd_msg4(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MSGP",4)) {
- cmd_msgp(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"OPNA",4)) {
- cmd_opna(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"DLAT",4)) {
- cmd_dlat(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"INFO",4)) {
- cmd_info();
- }
-
- else if (!strncasecmp(cmdbuf,"SLRP",4)) {
- cmd_slrp(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"INVT",4)) {
- cmd_invt_kick(&cmdbuf[5],1);
- }
-
- else if (!strncasecmp(cmdbuf,"KICK",4)) {
- cmd_invt_kick(&cmdbuf[5],0);
- }
-
- else if (!strncasecmp(cmdbuf,"GETR",4)) {
- cmd_getr();
- }
-
- else if (!strncasecmp(cmdbuf,"SETR",4)) {
- cmd_setr(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"GETA",4)) {
- cmd_geta();
- }
-
- else if (!strncasecmp(cmdbuf,"SETA",4)) {
- cmd_seta(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"ENT0",4)) {
- cmd_ent0(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"RINF",4)) {
- cmd_rinf();
- }
-
- else if (!strncasecmp(cmdbuf,"DELE",4)) {
- cmd_dele(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"KILL",4)) {
- cmd_kill(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"CRE8",4)) {
- cmd_cre8(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MOVE",4)) {
- cmd_move(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"FORG",4)) {
- cmd_forg();
- }
-
- else if (!strncasecmp(cmdbuf,"MESG",4)) {
- cmd_mesg(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"EMSG",4)) {
- cmd_emsg(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"GNUR",4)) {
- cmd_gnur();
- }
-
- else if (!strncasecmp(cmdbuf,"VALI",4)) {
- cmd_vali(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"EINF",4)) {
- cmd_einf(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LIST",4)) {
- cmd_list(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"CHEK",4)) {
- cmd_chek();
- }
-
- else if (!strncasecmp(cmdbuf,"DELF",4)) {
- cmd_delf(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MOVF",4)) {
- cmd_movf(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"NETF",4)) {
- cmd_netf(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"OPEN",4)) {
- cmd_open(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"CLOS",4)) {
- cmd_clos();
- }
-
- else if (!strncasecmp(cmdbuf,"UOPN",4)) {
- cmd_uopn(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"UCLS",4)) {
- cmd_ucls(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"READ",4)) {
- cmd_read(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"WRIT",4)) {
- cmd_writ(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"QUSR",4)) {
- cmd_qusr(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"ECHO",4)) {
- cmd_echo(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"OIMG",4)) {
- cmd_oimg(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"MORE",4)) {
- cmd_more();
- }
-
- else if (!strncasecmp(cmdbuf,"NDOP",4)) {
- cmd_ndop(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"NUOP",4)) {
- cmd_nuop(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"LFLR",4)) {
- cmd_lflr();
- }
-
- else if (!strncasecmp(cmdbuf,"CFLR",4)) {
- cmd_cflr(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"KFLR",4)) {
- cmd_kflr(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"EFLR",4)) {
- cmd_eflr(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"IDEN",4)) {
- cmd_iden(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"IPGM",4)) {
- cmd_ipgm(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"TERM",4)) {
- cmd_term(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"DOWN",4)) {
- cmd_down(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf,"HALT",4)) {
- cmd_halt();
- }
-
- else if (!strncasecmp(cmdbuf,"SCDN",4)) {
- cmd_scdn(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
- cmd_uimg(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "TIME", 4)) {
- cmd_time();
- }
-
- else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
- cmd_agup(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
- cmd_asup(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
- cmd_gpex(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
- cmd_spex(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "CONF", 4)) {
- cmd_conf(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
- cmd_seen(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
- cmd_gtsn(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
- cmd_view(&cmdbuf[5]);
- }
-
- else if (!strncasecmp(cmdbuf, "ISME", 4)) {
- cmd_isme(&cmdbuf[5]);
- }
-
- else if (!DLoader_Exec_Cmd(cmdbuf)) {
- cprintf("%d Unrecognized or unsupported command.\n",
- ERROR + CMD_NOT_SUPPORTED);
- }
+ if (!DLoader_Exec_Cmd(cmdbuf)) {
+ cprintf("%d Unrecognized or unsupported command.\n", ERROR + CMD_NOT_SUPPORTED);
+ }
unbuffer_output();
void do_async_loop(void) {
PerformSessionHooks(EVT_ASYNC);
}
+
+
+/*****************************************************************************/
+/* MODULE INITIALIZATION STUFF */
+/*****************************************************************************/
+
+CTDL_MODULE_INIT(citserver)
+{
+ if (!threading) {
+ CtdlRegisterProtoHook(cmd_noop, "NOOP", "no operation");
+ CtdlRegisterProtoHook(cmd_qnop, "QNOP", "no operation with no response");
+ CtdlRegisterProtoHook(cmd_quit, "QUIT", "log out and disconnect from server");
+ CtdlRegisterProtoHook(cmd_lout, "LOUT", "log out but do not disconnect from server");
+ CtdlRegisterProtoHook(cmd_asyn, "ASYN", "enable asynchronous server responses");
+ CtdlRegisterProtoHook(cmd_info, "INFO", "fetch server capabilities and configuration");
+ CtdlRegisterProtoHook(cmd_mesg, "MESG", "fetch system banners");
+ CtdlRegisterProtoHook(cmd_emsg, "EMSG", "submit system banners");
+ CtdlRegisterProtoHook(cmd_echo, "ECHO", "echo text back to the client");
+ CtdlRegisterProtoHook(cmd_more, "MORE", "fetch the paginator prompt");
+ CtdlRegisterProtoHook(cmd_iden, "IDEN", "identify the client software and location");
+ CtdlRegisterProtoHook(cmd_term, "TERM", "terminate another running session");
+ CtdlRegisterProtoHook(cmd_down, "DOWN", "perform a server shutdown");
+ CtdlRegisterProtoHook(cmd_halt, "HALT", "halt the server without exiting the server process");
+ CtdlRegisterProtoHook(cmd_scdn, "SCDN", "schedule or cancel a server shutdown");
+ CtdlRegisterProtoHook(cmd_time, "TIME", "fetch the date and time from the server");
+ }
+ /* return our id for the Log */
+ return "citserver";
+}
projects / citadel.git / blobdiff