readini.c

/*
 * Copyright (C) 2006 Jari Korhonen. jarit1.korhonen@dnainternet.net.
 * All Rights Reserved.
 *
 * 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 2 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.
 *
 *
 * If the source code for the program is not available from the place
 * from which you received this file, check
 * http://koti.mbnet.fi/jtko
 *
 * Ansification 2012- Gernot Tenchio, https://github.com/tenchman
 */


#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "openbsd_stringfuncs.h"
#include "iniparser.h"
#include "commondefines.h"

/* Ports where we listen */
int viewerPort = 5900;
int serverPort = 5500;

/* Repeater allowed modes
 * CONN_MODE1 = Only Mode 1,
 * CONN_MODE2 = Only Mode 2,
 * (CONN_MODE1 | CONN_MODE2) = Both modes
 */
int allowedModes = (CONN_MODE1 | CONN_MODE2);

/* In mode 1, what server port we can connect() to.
 * 0=All ports */
int allowedMode1ServerPort = 0;

/* In mode 2, require listed IDs ? (0=Allow all IDs, 1=Require that ID number
 * is in the list) */
int requireListedId = 0;

/* In Mode 2 (in case allowOnlyListedIds == 1) what IDs are allowed?
 * 0 here does not match anything */
int idList[ID_LIST_SIZE] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

/* if running as root, by default change to this user after all listen ports
 * have been bound */
char runAsUser[MY_TMP_BUF_LEN] = "uvncrep";

/* if we have several ip addresses, we can choose one to listen on
 * by default, listen on all addresses */
char ownIpAddress[MY_TMP_BUF_LEN] = "0.0.0.0";

/* In mode 1, do we require server addresses/ranges listed in ini file?
 * 0=Allow all server addresses, 1=Only allow addresses/ranges defined
 * in ini file */
int requireListedServer = 0;

/* Mode 1 allowed servers (255.255.255.255 = Not allowed) */
struct in46_addr srvListAllow[SERVERS_LIST_SIZE];

/* Mode 1 denied servers (255.255.255.255 = Not denied) */
struct in46_addr srvListDeny[SERVERS_LIST_SIZE];


/* How many active sessions we can have? */
int maxSessions = MAX_SESSIONS_DEFAULT;


/* Logging level */
int loggingLevel = DEFAULT_LOGGING_LEVEL;

/* Use event interface? */
bool useEventInterface = false;

/* EventListener hostname/ip address and port/http usage */
char eventListenerHost[MY_TMP_BUF_LEN] = "localhost";
int eventListenerPort = 2002;
bool useHttpForEventListener = false;

bool readIniFile(char *iniFilePathAndName)
{
    dictionary *dict;
    int ii;
    char tmpBuf[MY_TMP_BUF_LEN];
    char tmpBuf2[MY_TMP_BUF_LEN];

    /* initialize Allow/Deny lists */
    memset(srvListDeny, 255, sizeof(srvListDeny));
    memset(srvListAllow, 255, sizeof(srvListAllow));

    dict = iniparser_new(iniFilePathAndName);

    if (dict != NULL) {
        /* General settings */
        /* General settings */
        viewerPort = iniparser_getint(dict, "general:viewerport", 5900);
        serverPort = iniparser_getint(dict, "general:serverport", 5500);

        maxSessions = iniparser_getint(dict, "general:maxsessions", MAX_SESSIONS_DEFAULT);
        if (maxSessions > MAX_SESSIONS_MAX)
            maxSessions = MAX_SESSIONS_DEFAULT;
        if (maxSessions < MAX_SESSIONS_MIN)
            maxSessions = MAX_SESSIONS_DEFAULT;

        allowedModes = iniparser_getint(dict, "general:allowedmodes", (CONN_MODE1 | CONN_MODE2));

        strlcpy(ownIpAddress, iniparser_getstring(dict, "general:ownipaddress", "0.0.0.0"), MY_TMP_BUF_LEN);

        strlcpy(runAsUser, iniparser_getstring(dict, "general:runasuser", "uvncrep"), MY_TMP_BUF_LEN);

        loggingLevel = iniparser_getint(dict, "general:logginglevel", DEFAULT_LOGGING_LEVEL);
        if (loggingLevel > LEVEL_3)
            loggingLevel = DEFAULT_LOGGING_LEVEL;
        if (loggingLevel < LEVEL_0)
            loggingLevel = DEFAULT_LOGGING_LEVEL;


        /* Mode 1 settings */
        /* Mode 1 settings */
        allowedMode1ServerPort = iniparser_getint(dict, "mode1:allowedmode1serverport", 0);
        requireListedServer = iniparser_getint(dict, "mode1:requirelistedserver", 0);
        if (requireListedServer == 1) {
            /* Allowed servers */
            for(ii = 0; ii < SERVERS_LIST_SIZE; ii++) {
                snprintf(tmpBuf, MY_TMP_BUF_LEN, "%s%d", "mode1:srvListAllow", ii);

                strlcpy(tmpBuf2, iniparser_getstring(dict, tmpBuf, "255.255.255.255"), MY_TMP_BUF_LEN);

                inet46_pton(tmpBuf2, &srvListAllow[ii]);
            }


            /* Denied servers */
            for(ii = 0; ii < SERVERS_LIST_SIZE; ii++) {
                snprintf(tmpBuf, MY_TMP_BUF_LEN, "%s%d", "mode1:srvListDeny", ii);

                strlcpy(tmpBuf2, iniparser_getstring(dict, tmpBuf, "255.255.255.255"), MY_TMP_BUF_LEN);

                inet46_pton(tmpBuf2, &srvListDeny[ii]);
            }
        }


        /* Mode 2 settings */
        /* Mode 2 settings */
        requireListedId = iniparser_getint(dict, "mode2:requirelistedid", 0);
        if (requireListedId == 1) {
            for(ii = 0; ii < ID_LIST_SIZE; ii++) {
                snprintf(tmpBuf, MY_TMP_BUF_LEN, "%s%d", "mode2:idlist", ii);
                idList[ii] = iniparser_getint(dict, tmpBuf, 0);
            }
        }

        /* Event interface settings */
        /* Event interface settings */
        useEventInterface = (bool) iniparser_getboolean(dict, "eventinterface:useeventinterface", 0);

        strlcpy(eventListenerHost, iniparser_getstring(dict,
            "eventinterface:eventlistenerhost", "localhost"), MY_TMP_BUF_LEN);

        eventListenerPort = iniparser_getint(dict, "eventinterface:eventlistenerport", 2002);

        useHttpForEventListener = (bool) iniparser_getboolean(dict,"eventinterface:usehttp", 0);

        iniparser_free(dict);
        return true;
    }
    else
        return false;

    return true;
}