* Began (but did not finish) applying GPL3+ declarations to each source file. This...
[citadel.git] / citadel / control.c
index 83c1eb086e1f6ad430fd3bd9da2aee19407a9444..327270bccff88f7b5aedd85415d43ce0be9674bb 100644 (file)
@@ -3,6 +3,21 @@
  *
  * This module handles states which are global to the entire server.
  *
+ * Copyright (c) 1987-2009 by the citadel.org team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include "sysdep.h"
@@ -29,6 +44,8 @@
 #include <limits.h>
 #include <sys/types.h>
 #include <sys/file.h>
+#include <sys/stat.h>
+#include <libcitadel.h>
 #include "citadel.h"
 #include "server.h"
 #include "control.h"
 #include "config.h"
 #include "msgbase.h"
 #include "citserver.h"
-#include "tools.h"
 #include "room_ops.h"
+#include "user_ops.h"
+#include "database.h"
+#include "threads.h"
 
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
 
+#include "ctdl_module.h"
+
 struct CitControl CitControl;
 extern struct config config;
 FILE *control_fp = NULL;
-
+long control_highest_user = 0;
 
 
 /*
@@ -56,19 +77,87 @@ FILE *control_fp = NULL;
  */
 void lock_control(void)
 {
-#ifndef BSD_GETPWUID
+#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");
+               CtdlLogPrintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
+               CtdlLogPrintf(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;
+       int room_fixed = 0;
+       int message_fixed = 0;
+       
+       if (qrbuf->QRnumber > CitControl.MMnextroom)
+       {
+               CitControl.MMnextroom = qrbuf->QRnumber;
+               room_fixed = 1;
+       }
+               
+       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];
+                               message_fixed = 1;
+                       }
+               }
+       }
+       cdb_free(cdbfr);
+       if (room_fixed)
+               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed room counter\n");
+       if (message_fixed)
+               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed message count\n");
+       return;
+}
+
+
+/*
+ * Callback to get highest user number.
+ */
+void control_find_user (struct ctdluser *EachUser, void *out_data)
+{
+       int user_fixed = 0;
+       
+       if (EachUser->usernum > CitControl.MMnextuser)
+       {
+               CitControl.MMnextuser = EachUser->usernum;
+               user_fixed = 1;
+       }
+       if(user_fixed)
+               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed user count\n");
+}
+
 
 /*
  * get_control  -  read the control record into memory.
@@ -76,6 +165,7 @@ void lock_control(void)
 void get_control(void)
 {
        static int already_have_control = 0;
+       int rv = 0;
 
        /*
         * If we already have the control record in memory, there's no point
@@ -92,30 +182,31 @@ void get_control(void)
                control_fp = fopen(file_citadel_control, "rb+");
                if (control_fp != NULL) {
                        lock_control();
-                       fchown(fileno(control_fp), config.c_ctdluid, -1);
+                       rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
+                       rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
                }
        }
        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);
+                       rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
+                       rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
                        memset(&CitControl, 0, sizeof(struct CitControl));
-                       fwrite(&CitControl, sizeof(struct CitControl),
-                              1, control_fp);
+                       rv = 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));
+               CtdlLogPrintf(CTDL_ALERT, "ERROR opening %s: %s\n", file_citadel_control, strerror(errno));
                return;
        }
 
        rewind(control_fp);
-       fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
+       rv = fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
        already_have_control = 1;
+       rv = chown(file_citadel_control, config.c_ctdluid, (-1));
+       
 }
 
 /*
@@ -123,15 +214,30 @@ void get_control(void)
  */
 void put_control(void)
 {
+       int rv = 0;
 
        if (control_fp != NULL) {
                rewind(control_fp);
-               fwrite(&CitControl, sizeof(struct CitControl), 1,
-                      control_fp);
+               rv = fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
                fflush(control_fp);
        }
 }
 
+
+/*
+ * check_control   -  check the control record has sensible values for message, user and room numbers
+ */
+void check_control(void)
+{
+       CtdlLogPrintf(CTDL_INFO, "Checking/re-building control record\n");
+       get_control();
+       // Find highest room number and message number.
+       ForEachRoom(control_find_highest, NULL);
+       ForEachUser(control_find_user, NULL);
+       put_control();
+}
+
+
 /**
  * release_control - close our fd on exit
  */
@@ -157,6 +263,23 @@ long get_new_message_number(void)
 }
 
 
+/*
+ * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
+ * This provides a quick way to initialise a variable that might be used to indicate
+ * messages that should not be processed. EG. a new Sieve script will use this
+ * to record determine that messages older than this should not be processed.
+ */
+long CtdlGetCurrentMessageNumber(void)
+{
+       long retval = 0L;
+       begin_critical_section(S_CONTROL);
+       get_control();
+       retval = CitControl.MMhighest;
+       end_critical_section(S_CONTROL);
+       return(retval);
+}
+
+
 /*
  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
  */
@@ -271,6 +394,15 @@ void cmd_conf(char *argbuf)
                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("%ld\n", config.c_pop3_fetch);
+               cprintf("%ld\n", config.c_pop3_fastest);
+               cprintf("%d\n", config.c_spam_flag_only);
                cprintf("000\n");
        }
 
@@ -278,7 +410,7 @@ void cmd_conf(char *argbuf)
                unbuffer_output();
                cprintf("%d Send configuration...\n", SEND_LISTING);
                a = 0;
-               while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
+               while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
                        switch (a) {
                        case 0:
                                safestrncpy(config.c_nodename, buf,
@@ -498,6 +630,35 @@ void cmd_conf(char *argbuf)
                        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;
+                       case 64:
+                               config.c_pop3_fetch = atol(buf);
+                               break;
+                       case 65:
+                               config.c_pop3_fastest = atol(buf);
+                               break;
+                       case 66:
+                               config.c_spam_flag_only = atoi(buf);
+                               break;
                        }
                        ++a;
                }
@@ -507,7 +668,7 @@ void cmd_conf(char *argbuf)
                         CC->curr_user);
                aide_message(buf,"Citadel Configuration Manager Message");
 
-               if (strlen(config.c_logpages) > 0)
+               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
@@ -539,8 +700,7 @@ void cmd_conf(char *argbuf)
                extract_token(confname, argbuf, 1, '|', sizeof confname);
                unbuffer_output();
                cprintf("%d %s\n", SEND_LISTING, confname);
-               confptr = CtdlReadMessageBody("000",
-                               config.c_maxmsglen, NULL, 0);
+               confptr = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
                CtdlPutSysConfig(confname, confptr);
                free(confptr);
        }
@@ -550,3 +710,16 @@ void cmd_conf(char *argbuf)
                        ERROR + ILLEGAL_VALUE);
        }
 }
+
+
+/*****************************************************************************/
+/*                      MODULE INITIALIZATION STUFF                          */
+/*****************************************************************************/
+
+
+CTDL_MODULE_INIT(control)
+{
+       CtdlRegisterProtoHook(cmd_conf, "CONF", "Autoconverted. TODO: document me.");
+       /* return our Subversion id for the Log */
+       return "$Id$";
+}