Server changes to support upcoming overhaul of setup.c
[citadel.git] / citadel / control.c
index e9725e3fa46433f3d5723ae9ef77dc0d8649a852..bd4136635249f803e3388a9cb251b41c367f98a2 100644 (file)
@@ -1,23 +1,15 @@
 /*
- * $Id$
- *
  * This module handles states which are global to the entire server.
  *
- * Copyright (c) 1987-2009 by the citadel.org team
+ * Copyright (c) 1987-2012 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 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.
- *
- *  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"
@@ -79,8 +71,8 @@ void lock_control(void)
 {
 #if defined(LOCK_EX) && defined(LOCK_NB)
        if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
-               CtdlLogPrintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
-               CtdlLogPrintf(CTDL_EMERG, "Is another citserver already running?\n");
+               syslog(LOG_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
+               syslog(LOG_EMERG, "Is another citserver already running?\n");
                exit(CTDLEXIT_CONTROL);
        }
 #endif
@@ -129,9 +121,9 @@ void control_find_highest(struct ctdlroom *qrbuf, void *data)
        }
        cdb_free(cdbfr);
        if (room_fixed)
-               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed room counter\n");
+               syslog(LOG_INFO, "Control record checking....Fixed room counter\n");
        if (message_fixed)
-               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed message count\n");
+               syslog(LOG_INFO, "Control record checking....Fixed message count\n");
        return;
 }
 
@@ -150,7 +142,7 @@ void control_find_user (struct ctdluser *EachUser, void *out_data)
                user_fixed = 1;
        }
        if(user_fixed)
-               CtdlLogPrintf(CTDL_INFO, "Control record checking....Fixed user count\n");
+               syslog(LOG_INFO, "Control record checking....Fixed user count\n");
 }
 
 
@@ -178,30 +170,52 @@ void get_control(void)
                if (control_fp != NULL) {
                        lock_control();
                        rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
+                       if (rv == -1)
+                               syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n", 
+                                      file_citadel_control, strerror(errno));
                        rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
+                       if (rv == -1)
+                               syslog(LOG_EMERG, "Failed to adjust accessrights of: %s [%s]\n", 
+                                      file_citadel_control, strerror(errno));
                }
        }
        if (control_fp == NULL) {
                control_fp = fopen(file_citadel_control, "wb+");
                if (control_fp != NULL) {
                        lock_control();
+                       memset(&CitControl, 0, sizeof(struct CitControl));
+
                        rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
+                       if (rv == -1)
+                               syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n", 
+                                      file_citadel_control, strerror(errno));
+
                        rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
-                       memset(&CitControl, 0, sizeof(struct CitControl));
+                       if (rv == -1)
+                               syslog(LOG_EMERG, "Failed to adjust accessrights of: %s [%s]\n", 
+                                      file_citadel_control, strerror(errno));
                        rv = fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
+                       if (rv == -1)
+                               syslog(LOG_EMERG, "Failed to write: %s [%s]\n", 
+                                      file_citadel_control, strerror(errno));
                        rewind(control_fp);
                }
        }
        if (control_fp == NULL) {
-               CtdlLogPrintf(CTDL_ALERT, "ERROR opening %s: %s\n", file_citadel_control, strerror(errno));
+               syslog(LOG_ALERT, "ERROR opening %s: %s\n", file_citadel_control, strerror(errno));
                return;
        }
 
        rewind(control_fp);
        rv = fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
+       if (rv == -1)
+               syslog(LOG_EMERG, "Failed to read Controlfile: %s [%s]\n", 
+                      file_citadel_control, strerror(errno));
        already_have_control = 1;
        rv = chown(file_citadel_control, config.c_ctdluid, (-1));
-       
+       if (rv == -1)
+               syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n", 
+                      file_citadel_control, strerror(errno));  
 }
 
 /*
@@ -214,6 +228,9 @@ void put_control(void)
        if (control_fp != NULL) {
                rewind(control_fp);
                rv = fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
+               if (rv == -1)
+                       syslog(LOG_EMERG, "Failed to write: %s [%s]\n", 
+                              file_citadel_control, strerror(errno));
                fflush(control_fp);
        }
 }
@@ -224,7 +241,7 @@ void put_control(void)
  */
 void check_control(void)
 {
-       CtdlLogPrintf(CTDL_INFO, "Checking/re-building control record\n");
+       syslog(LOG_INFO, "Checking/re-building control record\n");
        get_control();
        // Find highest room number and message number.
        CtdlForEachRoom(control_find_highest, NULL);
@@ -233,13 +250,14 @@ void check_control(void)
 }
 
 
-/**
+/*
  * release_control - close our fd on exit
  */
 void release_control(void)
 {
-       if (control_fp != NULL)
+       if (control_fp != NULL) {
                fclose(control_fp);
+       }
        control_fp = NULL;
 }
 
@@ -309,6 +327,10 @@ long get_new_room_number(void)
 
 /* 
  * Get or set global configuration options
+ *
+ * IF YOU ADD OR CHANGE FIELDS HERE, YOU *MUST* DOCUMENT YOUR CHANGES AT:
+ * http://www.citadel.org/doku.php/documentation:appproto:system_config
+ *
  */
 void cmd_conf(char *argbuf)
 {
@@ -398,6 +420,9 @@ void cmd_conf(char *argbuf)
                cprintf("%ld\n", config.c_pop3_fetch);
                cprintf("%ld\n", config.c_pop3_fastest);
                cprintf("%d\n", config.c_spam_flag_only);
+               cprintf("%d\n", config.c_guest_logins);
+               cprintf("%d\n", config.c_port_number);
+               cprintf("%d\n", config.c_ctdluid);
                cprintf("000\n");
        }
 
@@ -654,6 +679,15 @@ void cmd_conf(char *argbuf)
                        case 66:
                                config.c_spam_flag_only = atoi(buf);
                                break;
+                       case 67:
+                               config.c_guest_logins = atoi(buf);
+                               break;
+                       case 68:
+                               config.c_port_number = atoi(buf);
+                               break;
+                       case 69:
+                               config.c_ctdluid = atoi(buf);
+                               break;
                        }
                        ++a;
                }
@@ -679,9 +713,12 @@ void cmd_conf(char *argbuf)
                extract_token(confname, argbuf, 1, '|', sizeof confname);
                confptr = CtdlGetSysConfig(confname);
                if (confptr != NULL) {
+                       long len; 
+
+                       len = strlen(confptr);
                        cprintf("%d %s\n", LISTING_FOLLOWS, confname);
-                       client_write(confptr, strlen(confptr));
-                       if (confptr[strlen(confptr) - 1] != 10)
+                       client_write(confptr, len);
+                       if ((len > 0) && (confptr[len - 1] != 10))
                                client_write("\n", 1);
                        cprintf("000\n");
                        free(confptr);
@@ -717,6 +754,6 @@ CTDL_MODULE_INIT(control)
        if (!threading) {
                CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
        }
-       /* return our Subversion id for the Log */
-       return "$Id$";
+       /* return our id for the Log */
+       return "control";
 }