# endif
#endif
+#if HAVE_BACKTRACE
+#include <execinfo.h>
+#endif
+
#include <ctype.h>
#include <string.h>
#include <dirent.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
-#include "serv_extensions.h"
#include "sysdep_decls.h"
#include "citserver.h"
#include "config.h"
#include "file_ops.h"
#include "policy.h"
#include "control.h"
-#include "tools.h"
#include "euidindex.h"
#ifndef HAVE_SNPRINTF
int ScheduledShutdown = 0;
int do_defrag = 0;
time_t server_startup_time;
-char pid_file_name[PATH_MAX];
+int panic_fd;
+
+/**
+ * \brief print the actual stack frame.
+ */
+void cit_backtrace(void)
+{
+#ifdef HAVE_BACKTRACE
+ void *stack_frames[50];
+ size_t size, i;
+ char **strings;
+
+
+ size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
+ strings = backtrace_symbols(stack_frames, size);
+ for (i = 0; i < size; i++) {
+ if (strings != NULL)
+ lprintf(1, "%s\n", strings[i]);
+ else
+ lprintf(1, "%p\n", stack_frames[i]);
+ }
+ free(strings);
+#endif
+}
+
+/**
+ * \brief 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)
+ lprintf(1, "%s\n", strings[i]);
+ else
+ lprintf(1, "%p\n", stack_frames[i]);
+ }
+ free(strings);
+#endif
+ exit(-1);
+}
/*
* Various things that need to be initialized at startup
unsigned int seed;
FILE *urandom;
struct ctdlroom qrbuf;
- FILE *pidfile_fp;
lprintf(CTDL_DEBUG, "master_startup() started\n");
time(&server_startup_time);
- /* pid file. If we go FSSTND this should end up in 'localstatedir' */
- snprintf(pid_file_name, sizeof pid_file_name, "./citadel.pid");
- pidfile_fp = fopen(pid_file_name, "w");
- if (pidfile_fp != NULL) {
- fprintf(pidfile_fp, "%d\n", (int)getpid());
- fclose(pidfile_fp);
- }
-
lprintf(CTDL_INFO, "Opening databases\n");
open_databases();
lputroom(&qrbuf);
}
- /*
- * Create a room in which we can deposit "deleted" messages for
- * deferred deletion. This will silently fail if the room already
- * exists, and that's perfectly ok, because we want it to exist.
- */
- create_room(DELETED_MSGS_ROOM, 3, "", 0, 1, 0, VIEW_MAILBOX);
-
- /*
- * Make sure it's set to be a "system room" so it doesn't show up
- * in the <K>nown rooms list for Aides. Also set the message expire
- * policy to "by count, 1 message" so everything gets deleted all
- * the time (we can't set it to 0 because that's invalid, so we keep
- * a single message around).
- */
- if (lgetroom(&qrbuf, DELETED_MSGS_ROOM) == 0) {
- qrbuf.QRflags2 |= QR2_SYSTEM;
- qrbuf.QRep.expire_mode = EXPIRE_NUMMSGS;
- qrbuf.QRep.expire_value = 1;
- lputroom(&qrbuf);
- }
-
lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
urandom = fopen("/dev/urandom", "r");
if (urandom != NULL) {
*/
void master_cleanup(int exitcode) {
struct CleanupFunctionHook *fcn;
+ struct MaintenanceThreadHook *m_fcn;
static int already_cleaning_up = 0;
if (already_cleaning_up) while(1) sleep(1);
(*fcn->h_function_pointer)();
}
- /* Shut down the indexer thread */
- lprintf(CTDL_INFO, "Waiting for the indexer thread to shut down\n");
- pthread_join(indexer_thread_tid, NULL);
+ /* Close the AdjRefCount queue file */
+ AdjRefCount(-1, 0);
- /* Shut down the checkpoint thread */
- lprintf(CTDL_INFO, "Waiting for the checkpoint thread to shut down\n");
- pthread_join(checkpoint_thread_tid, NULL);
+ for (m_fcn = MaintenanceThreadHookTable; m_fcn != NULL; m_fcn = m_fcn->next) {
+ lprintf(CTDL_INFO, "Waiting for maintenance thread \"%s\" to shut down\n", m_fcn->name);
+ pthread_join(m_fcn->MaintenanceThread_tid, NULL);
+ }
+
/* Close databases */
lprintf(CTDL_INFO, "Closing databases\n");
/* Do system-dependent stuff */
sysdep_master_cleanup();
-
+
#ifdef DEBUG_MEMORY_LEAKS
dump_heap();
#endif
sleep(32767);
}
}
+
+ release_control();
/* Now go away. */
lprintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
fflush(stdout); fflush(stderr);
-
- unlink(pid_file_name);
+
+ if (restart_server != 0)
+ exit(1);
exit(exitcode);
}
cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
#endif
-#ifdef ENABLE_AUTOLOGIN
- cprintf("1\n"); /* "create new user" never works with autologin */
-#else
- cprintf("%d\n", config.c_disable_newu); /* otherwise, site defined */
-#endif
+ if (config.c_auth_mode == 1) {
+ cprintf("1\n"); /* "create new user" never works with host auth */
+ }
+ else {
+ cprintf("%d\n", config.c_disable_newu); /* otherwise, site defined */
+ }
cprintf("%s\n", config.c_default_cal_zone);
fp = fopen(public_clients_file, "r");
if (fp != NULL) while (fgets(buf, sizeof buf, fp)!=NULL) {
- for (i=0; i<strlen(buf); ++i) {
- if (buf[i] == '#') buf[i] = 0;
+ char *ptr;
+ ptr = buf;
+ while (!IsEmptyStr(ptr)) {
+ if (*ptr == '#') {
+ *ptr = 0;
+ break;
+ }
+ else ptr++;
}
- while (isspace((buf[strlen(buf)-1]))) {
- buf[strlen(buf)-1] = 0;
+ 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);
}
}
safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
CC->cs_clientname[31] = 0;
- if (strlen(from_host) > 0) {
+ if (!IsEmptyStr(from_host)) {
if (CC->is_local_socket) do_lookup = 1;
else if (is_public_client()) do_lookup = 1;
}
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,
- NULL, 0,
+ CC->cs_addr, sizeof CC->cs_addr,
&addr);
}
else {
/* Otherwise, look for the requested file by name. */
else {
mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
- if (strlen(targ) == 0) {
+ if (IsEmptyStr(targ)) {
snprintf(buf2, sizeof buf2, "%s.%d",
buf, CC->cs_clientdev);
mesg_locate(targ, sizeof targ, buf2, 2,
(const char **)dirs);
- if (strlen(targ) == 0) {
+ if (IsEmptyStr(targ)) {
mesg_locate(targ, sizeof targ, buf, 2,
(const char **)dirs);
}
free(dirs[0]);
free(dirs[1]);
- if (strlen(targ)==0) {
+ if (IsEmptyStr(targ)) {
cprintf("%d '%s' not found. (Searching in %s and %s)\n",
ERROR + FILE_NOT_FOUND,
mname,
if (CtdlAccessCheck(ac_aide)) return;
extract_token(buf, mname, 0, '|', sizeof buf);
- for (a=0; a<strlen(buf); ++a) { /* security measure */
+ for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
if (buf[a] == '/') buf[a] = '.';
}
free(dirs[0]);
free(dirs[1]);
- if (strlen(targ)==0) {
+ if (IsEmptyStr(targ)) {
snprintf(targ, sizeof targ,
"%s/%s",
ctdl_hlp_dir, buf);
/*
* Shut down the server
*/
-void cmd_down(void) {
+void cmd_down(char *argbuf) {
+ char *Reply ="%d Shutting down server. Goodbye.\n";
if (CtdlAccessCheck(ac_aide)) return;
- cprintf("%d Shutting down server. Goodbye.\n", CIT_OK);
+ if (!IsEmptyStr(argbuf))
+ {
+ int state = CIT_OK;
+ restart_server = extract_int(argbuf, 0);
+
+ if (restart_server > 0)
+ Reply = "%d Restarting server. See you soon.\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";
+ state = ERROR;
+ }
+ cprintf(Reply, state);
+ }
+ else
+ {
+ cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
+ }
time_to_die = 1;
}
void cmd_scdn(char *argbuf)
{
int new_state;
+ int state = CIT_OK;
+ char *Reply = "%d %d\n";
if (CtdlAccessCheck(ac_aide)) return;
new_state = extract_int(argbuf, 0);
+ if ((new_state == 2) || (new_state == 3))
+ {
+ restart_server = 1;
+ if (!running_as_daemon)
+ {
+ lprintf(CTDL_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;
+ }
+
+ restart_server = extract_int(argbuf, 0);
+ new_state -= 2;
+ }
if ((new_state == 0) || (new_state == 1)) {
ScheduledShutdown = new_state;
}
- cprintf("%d %d\n", CIT_OK, ScheduledShutdown);
+ cprintf(Reply, state, ScheduledShutdown);
}
strcpy(con->lastcmdname, " ");
strcpy(con->cs_clientname, "(unknown)");
strcpy(con->curr_user, NLI);
- strcpy(con->net_node, "");
- strcpy(con->fake_username, "");
- strcpy(con->fake_postname, "");
- strcpy(con->fake_hostname, "");
- strcpy(con->fake_roomname, "");
+ *con->net_node = '\0';
+ *con->fake_username = '\0';
+ *con->fake_hostname = '\0';
+ *con->fake_roomname = '\0';
generate_nonce(con);
safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
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)) {
con->nologin = 1;
+ }
lprintf(CTDL_NOTICE, "Session started.\n");
void citproto_begin_session() {
if (CC->nologin==1) {
- cprintf("%d %s: Too many users are already online "
- "(maximum is %d)\n",
+ cprintf("%d %s: Too many users are already online (maximum is %d)\n",
ERROR + MAX_SESSIONS_EXCEEDED,
- config.c_nodename, config.c_maxsessions);
+ config.c_nodename, config.c_maxsessions
+ );
+ CC->kill_me = 1;
}
else {
cprintf("%d %s Citadel server ready.\n",
}
else if (!strncasecmp(cmdbuf,"DOWN",4)) {
- cmd_down();
+ cmd_down(&cmdbuf[5]);
}
else if (!strncasecmp(cmdbuf,"HALT",4)) {
projects / citadel.git / blobdiff