/*
- * control.c
+ * $Id$
*
* This module handles states which are global to the entire server.
*
*/
+#include "sysdep.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
-#include <time.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
#include <ctype.h>
#include <string.h>
#include <errno.h>
-#include <pthread.h>
-#include <syslog.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/file.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "control.h"
#include "sysdep_decls.h"
+#include "support.h"
+#include "config.h"
+#include "msgbase.h"
+#include "citserver.h"
+#include "room_ops.h"
+#include "user_ops.h"
+#include "database.h"
+
+#ifndef HAVE_SNPRINTF
+#include "snprintf.h"
+#endif
struct CitControl CitControl;
+extern struct config config;
+FILE *control_fp = NULL;
+long control_highest_user = 0;
+
+
+/*
+ * lock_control - acquire a lock on the control record file.
+ * This keeps multiple citservers from running concurrently.
+ */
+void lock_control(void)
+{
+#ifdef HAVE_FLOCK
+/*
+ * TODO: solaris manpages describe this function, but the headers
+ * don't show it!
+ */
+
+ if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
+ lprintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
+ lprintf(CTDL_EMERG, "Is another citserver already running?\n");
+ exit(CTDLEXIT_CONTROL);
+ }
+#endif
+}
+
+/*
+ * callback to get highest room number when rebuilding control file
+ */
+void control_find_highest(struct ctdlroom *qrbuf, void *data)
+{
+ struct ctdlroom room;
+ struct cdbdata *cdbfr;
+ long *msglist;
+ int num_msgs=0;
+ int c;
+
+
+ if (qrbuf->QRnumber > CitControl.MMnextroom)
+ CitControl.MMnextroom = qrbuf->QRnumber;
+
+ getroom (&room, qrbuf->QRname);
+
+ /* Load the message list */
+ cdbfr = cdb_fetch(CDB_MSGLISTS, &room.QRnumber, sizeof(long));
+ if (cdbfr != NULL) {
+ msglist = (long *) cdbfr->ptr;
+ num_msgs = cdbfr->len / sizeof(long);
+ } else {
+ return; /* No messages at all? No further action. */
+ }
+
+ if (num_msgs>0)
+ {
+ for (c=0; c<num_msgs; c++)
+ {
+ if (msglist[c] > CitControl.MMhighest)
+ CitControl.MMhighest = msglist[c];
+ }
+ }
+ cdb_free(cdbfr);
+ return;
+}
+
+
+/*
+ * Callback to get highest user number.
+ */
+
+void control_find_user (struct ctdluser *EachUser, void *out_data)
+{
+ if (EachUser->usernum > CitControl.MMnextuser)
+ CitControl.MMnextuser = EachUser->usernum;
+}
+
/*
* get_control - read the control record into memory.
*/
-void get_control(void) {
- FILE *fp;
+void get_control(void)
+{
+ static int already_have_control = 0;
+
+ /*
+ * If we already have the control record in memory, there's no point
+ * in reading it from disk again.
+ */
+ if (already_have_control) return;
/* Zero it out. If the control record on disk is missing or short,
* the system functions with all control record fields initialized
* to zero.
*/
memset(&CitControl, 0, sizeof(struct CitControl));
- fp = fopen("citadel.control", "rb");
- if (fp == NULL) return;
-
- fread(&CitControl, sizeof(struct CitControl), 1, fp);
- fclose(fp);
+ if (control_fp == NULL) {
+ control_fp = fopen(file_citadel_control, "rb+");
+ if (control_fp != NULL) {
+ lock_control();
+ fchown(fileno(control_fp), config.c_ctdluid, -1);
+ }
}
+ if (control_fp == NULL) {
+ control_fp = fopen(file_citadel_control, "wb+");
+ if (control_fp != NULL) {
+ lock_control();
+ fchown(fileno(control_fp), config.c_ctdluid, -1);
+ memset(&CitControl, 0, sizeof(struct CitControl));
+ // Find highest room number and message number.
+ ForEachRoom(control_find_highest, NULL);
+ ForEachUser(control_find_user, NULL);
+ fwrite(&CitControl, sizeof(struct CitControl),
+ 1, control_fp);
+ rewind(control_fp);
+ }
+ }
+ if (control_fp == NULL) {
+ lprintf(CTDL_ALERT, "ERROR opening %s: %s\n",
+ file_citadel_control,
+ strerror(errno));
+ return;
+ }
+
+ rewind(control_fp);
+ fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
+ already_have_control = 1;
+}
/*
* put_control - write the control record to disk.
*/
-void put_control(void) {
- FILE *fp;
+void put_control(void)
+{
- fp = fopen("citadel.control", "wb");
- if (fp != NULL) {
- fwrite(&CitControl, sizeof(struct CitControl), 1, fp);
- fclose(fp);
- }
+ if (control_fp != NULL) {
+ rewind(control_fp);
+ fwrite(&CitControl, sizeof(struct CitControl), 1,
+ control_fp);
+ fflush(control_fp);
}
+}
+/**
+ * release_control - close our fd on exit
+ */
+void release_control(void)
+{
+ if (control_fp != NULL)
+ fclose(control_fp);
+ control_fp = NULL;
+}
/*
* get_new_message_number() - Obtain a new, unique ID to be used for a message.
*/
-long get_new_message_number(void) {
+long get_new_message_number(void)
+{
+ long retval = 0L;
begin_critical_section(S_CONTROL);
get_control();
- ++CitControl.MMhighest;
+ retval = ++CitControl.MMhighest;
put_control();
end_critical_section(S_CONTROL);
- return(CitControl.MMhighest);
- }
+ return(retval);
+}
/*
* get_new_user_number() - Obtain a new, unique ID to be used for a user.
*/
-long get_new_user_number(void) {
+long get_new_user_number(void)
+{
+ long retval = 0L;
+ begin_critical_section(S_CONTROL);
+ get_control();
+ retval = ++CitControl.MMnextuser;
+ put_control();
+ end_critical_section(S_CONTROL);
+ return(retval);
+}
+
+
+
+/*
+ * get_new_room_number() - Obtain a new, unique ID to be used for a room.
+ */
+long get_new_room_number(void)
+{
+ long retval = 0L;
begin_critical_section(S_CONTROL);
get_control();
- ++CitControl.MMnextuser;
+ retval = ++CitControl.MMnextroom;
put_control();
end_critical_section(S_CONTROL);
- return(CitControl.MMnextuser);
+ return(retval);
+}
+
+
+
+/*
+ * Get or set global configuration options
+ */
+void cmd_conf(char *argbuf)
+{
+ char cmd[16];
+ char buf[256];
+ int a;
+ char *confptr;
+ char confname[128];
+
+ if (CtdlAccessCheck(ac_aide)) return;
+
+ extract_token(cmd, argbuf, 0, '|', sizeof cmd);
+ if (!strcasecmp(cmd, "GET")) {
+ cprintf("%d Configuration...\n", LISTING_FOLLOWS);
+ cprintf("%s\n", config.c_nodename);
+ cprintf("%s\n", config.c_fqdn);
+ cprintf("%s\n", config.c_humannode);
+ cprintf("%s\n", config.c_phonenum);
+ cprintf("%d\n", config.c_creataide);
+ cprintf("%d\n", config.c_sleeping);
+ cprintf("%d\n", config.c_initax);
+ cprintf("%d\n", config.c_regiscall);
+ cprintf("%d\n", config.c_twitdetect);
+ cprintf("%s\n", config.c_twitroom);
+ cprintf("%s\n", config.c_moreprompt);
+ cprintf("%d\n", config.c_restrict);
+ cprintf("%s\n", config.c_site_location);
+ cprintf("%s\n", config.c_sysadm);
+ cprintf("%d\n", config.c_maxsessions);
+ cprintf("xxx\n"); /* placeholder -- field no longer in use */
+ cprintf("%d\n", config.c_userpurge);
+ cprintf("%d\n", config.c_roompurge);
+ cprintf("%s\n", config.c_logpages);
+ cprintf("%d\n", config.c_createax);
+ cprintf("%ld\n", config.c_maxmsglen);
+ cprintf("%d\n", config.c_min_workers);
+ cprintf("%d\n", config.c_max_workers);
+ cprintf("%d\n", config.c_pop3_port);
+ cprintf("%d\n", config.c_smtp_port);
+ cprintf("%d\n", config.c_rfc822_strict_from);
+ cprintf("%d\n", config.c_aide_zap);
+ cprintf("%d\n", config.c_imap_port);
+ cprintf("%ld\n", config.c_net_freq);
+ cprintf("%d\n", config.c_disable_newu);
+ cprintf("1\n"); /* niu */
+ cprintf("%d\n", config.c_purge_hour);
+#ifdef HAVE_LDAP
+ cprintf("%s\n", config.c_ldap_host);
+ cprintf("%d\n", config.c_ldap_port);
+ cprintf("%s\n", config.c_ldap_base_dn);
+ cprintf("%s\n", config.c_ldap_bind_dn);
+ cprintf("%s\n", config.c_ldap_bind_pw);
+#else
+ cprintf("\n");
+ cprintf("0\n");
+ cprintf("\n");
+ cprintf("\n");
+ cprintf("\n");
+#endif
+ cprintf("%s\n", config.c_ip_addr);
+ cprintf("%d\n", config.c_msa_port);
+ cprintf("%d\n", config.c_imaps_port);
+ cprintf("%d\n", config.c_pop3s_port);
+ cprintf("%d\n", config.c_smtps_port);
+ cprintf("%d\n", config.c_enable_fulltext);
+ cprintf("%d\n", config.c_auto_cull);
+ cprintf("%d\n", config.c_instant_expunge);
+ cprintf("%d\n", config.c_allow_spoofing);
+ cprintf("%d\n", config.c_journal_email);
+ cprintf("%d\n", config.c_journal_pubmsgs);
+ cprintf("%s\n", config.c_journal_dest);
+ cprintf("%s\n", config.c_default_cal_zone);
+ cprintf("%d\n", config.c_pftcpdict_port);
+ cprintf("%d\n", config.c_managesieve_port);
+ cprintf("%d\n", config.c_auth_mode);
+ cprintf("%s\n", config.c_funambol_host);
+ cprintf("%d\n", config.c_funambol_port);
+ cprintf("%s\n", config.c_funambol_source);
+ cprintf("%s\n", config.c_funambol_auth);
+ cprintf("%d\n", config.c_rbl_at_greeting);
+ cprintf("%s\n", config.c_master_user);
+ cprintf("%s\n", config.c_master_pass);
+ cprintf("%s\n", config.c_pager_program);
+ cprintf("%d\n", config.c_imap_keep_from);
+ cprintf("%d\n", config.c_xmpp_c2s_port);
+ cprintf("%d\n", config.c_xmpp_s2s_port);
+ cprintf("000\n");
+ }
+
+ else if (!strcasecmp(cmd, "SET")) {
+ unbuffer_output();
+ cprintf("%d Send configuration...\n", SEND_LISTING);
+ a = 0;
+ while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ switch (a) {
+ case 0:
+ safestrncpy(config.c_nodename, buf,
+ sizeof config.c_nodename);
+ break;
+ case 1:
+ safestrncpy(config.c_fqdn, buf,
+ sizeof config.c_fqdn);
+ break;
+ case 2:
+ safestrncpy(config.c_humannode, buf,
+ sizeof config.c_humannode);
+ break;
+ case 3:
+ safestrncpy(config.c_phonenum, buf,
+ sizeof config.c_phonenum);
+ break;
+ case 4:
+ config.c_creataide = atoi(buf);
+ break;
+ case 5:
+ config.c_sleeping = atoi(buf);
+ break;
+ case 6:
+ config.c_initax = atoi(buf);
+ if (config.c_initax < 1)
+ config.c_initax = 1;
+ if (config.c_initax > 6)
+ config.c_initax = 6;
+ break;
+ case 7:
+ config.c_regiscall = atoi(buf);
+ if (config.c_regiscall != 0)
+ config.c_regiscall = 1;
+ break;
+ case 8:
+ config.c_twitdetect = atoi(buf);
+ if (config.c_twitdetect != 0)
+ config.c_twitdetect = 1;
+ break;
+ case 9:
+ safestrncpy(config.c_twitroom, buf,
+ sizeof config.c_twitroom);
+ break;
+ case 10:
+ safestrncpy(config.c_moreprompt, buf,
+ sizeof config.c_moreprompt);
+ break;
+ case 11:
+ config.c_restrict = atoi(buf);
+ if (config.c_restrict != 0)
+ config.c_restrict = 1;
+ break;
+ case 12:
+ safestrncpy(config.c_site_location, buf,
+ sizeof config.c_site_location);
+ break;
+ case 13:
+ safestrncpy(config.c_sysadm, buf,
+ sizeof config.c_sysadm);
+ break;
+ case 14:
+ config.c_maxsessions = atoi(buf);
+ if (config.c_maxsessions < 0)
+ config.c_maxsessions = 0;
+ break;
+ case 15:
+ /* placeholder -- field no longer in use */
+ break;
+ case 16:
+ config.c_userpurge = atoi(buf);
+ break;
+ case 17:
+ config.c_roompurge = atoi(buf);
+ break;
+ case 18:
+ safestrncpy(config.c_logpages, buf,
+ sizeof config.c_logpages);
+ break;
+ case 19:
+ config.c_createax = atoi(buf);
+ if (config.c_createax < 1)
+ config.c_createax = 1;
+ if (config.c_createax > 6)
+ config.c_createax = 6;
+ break;
+ case 20:
+ if (atoi(buf) >= 8192)
+ config.c_maxmsglen = atoi(buf);
+ break;
+ case 21:
+ if (atoi(buf) >= 2)
+ config.c_min_workers = atoi(buf);
+ case 22:
+ if (atoi(buf) >= config.c_min_workers)
+ config.c_max_workers = atoi(buf);
+ case 23:
+ config.c_pop3_port = atoi(buf);
+ break;
+ case 24:
+ config.c_smtp_port = atoi(buf);
+ break;
+ case 25:
+ config.c_rfc822_strict_from = atoi(buf);
+ break;
+ case 26:
+ config.c_aide_zap = atoi(buf);
+ if (config.c_aide_zap != 0)
+ config.c_aide_zap = 1;
+ break;
+ case 27:
+ config.c_imap_port = atoi(buf);
+ break;
+ case 28:
+ config.c_net_freq = atol(buf);
+ break;
+ case 29:
+ config.c_disable_newu = atoi(buf);
+ if (config.c_disable_newu != 0)
+ config.c_disable_newu = 1;
+ break;
+ case 30:
+ /* niu */
+ break;
+ case 31:
+ if ((config.c_purge_hour >= 0)
+ && (config.c_purge_hour <= 23)) {
+ config.c_purge_hour = atoi(buf);
+ }
+ break;
+#ifdef HAVE_LDAP
+ case 32:
+ safestrncpy(config.c_ldap_host, buf,
+ sizeof config.c_ldap_host);
+ break;
+ case 33:
+ config.c_ldap_port = atoi(buf);
+ break;
+ case 34:
+ safestrncpy(config.c_ldap_base_dn, buf,
+ sizeof config.c_ldap_base_dn);
+ break;
+ case 35:
+ safestrncpy(config.c_ldap_bind_dn, buf,
+ sizeof config.c_ldap_bind_dn);
+ break;
+ case 36:
+ safestrncpy(config.c_ldap_bind_pw, buf,
+ sizeof config.c_ldap_bind_pw);
+ break;
+#endif
+ case 37:
+ safestrncpy(config.c_ip_addr, buf,
+ sizeof config.c_ip_addr);
+ case 38:
+ config.c_msa_port = atoi(buf);
+ break;
+ case 39:
+ config.c_imaps_port = atoi(buf);
+ break;
+ case 40:
+ config.c_pop3s_port = atoi(buf);
+ break;
+ case 41:
+ config.c_smtps_port = atoi(buf);
+ break;
+ case 42:
+ config.c_enable_fulltext = atoi(buf);
+ break;
+ case 43:
+ config.c_auto_cull = atoi(buf);
+ break;
+ case 44:
+ config.c_instant_expunge = atoi(buf);
+ break;
+ case 45:
+ config.c_allow_spoofing = atoi(buf);
+ break;
+ case 46:
+ config.c_journal_email = atoi(buf);
+ break;
+ case 47:
+ config.c_journal_pubmsgs = atoi(buf);
+ break;
+ case 48:
+ safestrncpy(config.c_journal_dest, buf,
+ sizeof config.c_journal_dest);
+ case 49:
+ safestrncpy(config.c_default_cal_zone, buf,
+ sizeof config.c_default_cal_zone);
+ break;
+ case 50:
+ config.c_pftcpdict_port = atoi(buf);
+ break;
+ case 51:
+ config.c_managesieve_port = atoi(buf);
+ break;
+ case 52:
+ config.c_auth_mode = atoi(buf);
+ case 53:
+ safestrncpy(config.c_funambol_host, buf,
+ sizeof config.c_funambol_host);
+ break;
+ case 54:
+ config.c_funambol_port = atoi(buf);
+ break;
+ case 55:
+ safestrncpy(config.c_funambol_source,
+ buf,
+ sizeof config.c_funambol_source);
+ break;
+ case 56:
+ safestrncpy(config.c_funambol_auth,
+ buf,
+ sizeof config.c_funambol_auth);
+ break;
+ case 57:
+ config.c_rbl_at_greeting = atoi(buf);
+ break;
+ case 58:
+ safestrncpy(config.c_master_user, buf, sizeof config.c_master_user);
+ break;
+ case 59:
+ safestrncpy(config.c_master_pass, buf, sizeof config.c_master_pass);
+ break;
+ case 60:
+ safestrncpy(config.c_pager_program,
+ buf,
+ sizeof config.c_pager_program);
+ break;
+ case 61:
+ config.c_imap_keep_from = atoi(buf);
+ break;
+ case 62:
+ config.c_xmpp_c2s_port = atoi(buf);
+ break;
+ case 63:
+ config.c_xmpp_s2s_port = atoi(buf);
+ break;
+ }
+ ++a;
+ }
+ put_config();
+ snprintf(buf, sizeof buf,
+ "The global system configuration has been edited by %s.\n",
+ CC->curr_user);
+ aide_message(buf,"Citadel Configuration Manager Message");
+
+ if (!IsEmptyStr(config.c_logpages))
+ create_room(config.c_logpages, 3, "", 0, 1, 1, VIEW_BBS);
+
+ /* If full text indexing has been disabled, invalidate the
+ * index so it doesn't try to use it later.
+ */
+ if (config.c_enable_fulltext == 0) {
+ CitControl.fulltext_wordbreaker = 0;
+ put_control();
+ }
+ }
+
+ else if (!strcasecmp(cmd, "GETSYS")) {
+ extract_token(confname, argbuf, 1, '|', sizeof confname);
+ confptr = CtdlGetSysConfig(confname);
+ if (confptr != NULL) {
+ cprintf("%d %s\n", LISTING_FOLLOWS, confname);
+ client_write(confptr, strlen(confptr));
+ if (confptr[strlen(confptr) - 1] != 10)
+ client_write("\n", 1);
+ cprintf("000\n");
+ free(confptr);
+ } else {
+ cprintf("%d No such configuration.\n",
+ ERROR + ILLEGAL_VALUE);
+ }
+ }
+
+ else if (!strcasecmp(cmd, "PUTSYS")) {
+ extract_token(confname, argbuf, 1, '|', sizeof confname);
+ unbuffer_output();
+ cprintf("%d %s\n", SEND_LISTING, confname);
+ confptr = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
+ CtdlPutSysConfig(confname, confptr);
+ free(confptr);
+ }
+
+ else {
+ cprintf("%d Illegal option(s) specified.\n",
+ ERROR + ILLEGAL_VALUE);
}
+}