-/*
- * 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
- */
-
-/*
- * Date: 27.10.2002
- */
-
-/*
- * Author : Boris Mikhailenko <stg34@ua.fm>
- */
-
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <algorithm>
-#include <functional>
-
-#include "hostallow.h"
-//-----------------------------------------------------------------------------
-HOSTALLOW::HOSTALLOW()
-{
-
-}
-//-----------------------------------------------------------------------------
-int HOSTALLOW::ParseHosts(const char * str, int hostsType)
-{
-/*
-ðÒÏÉÚ×ÏÄÉÍ ÒÁÚÂÏÒ ÓÔÒÏËÉ ×ÉÄÁ host host host ...
-ÇÄÅ host ÍÏÖÅÔ ÉÍÅÔØ ×ÉÄ a.b.c.d ÉÌÉ a.b.c.d/e
-ÉÌÉ all.
-ÐÒÉÞÅÍ × ÓÌÕÞÁÅ ÓÅÔÉ ÍÁÓËÁ É ÁÄÒÅÓ ÄÏÌÖÎÙ ÂÙÔØ
-ÓÏÏÔ×ÅÔÓÔ×ÕÀÝÉÍÉ ÄÒÕÇ ÄÒÕÇÕ.
-
-òÅÚÕÌØÔÁÔÙ ÚÁÎÏÓÉÍ × ÓÏÏÔ×ÅÔÓÔ×ÕÀÝÉÊ ÓÐÉÓÏË
- * */
-
-int len;
-char *s;
-char * tok;
-uint32_t ip;
-uint32_t mask;
-//INETADDR inetAddr;
-
-if (strcasecmp(str, "all") == 0)
- {
- if (hostsType == hostsAllow)
- hostAllowList.push_back(INETADDR());
- else
- hostDenyList.push_back(INETADDR());
- return 0;
- }
-else
- {
- len = strlen(str);
-
- s = new char[len + 1];
-
- strcpy(s, str);
-
- tok = strtok(s, " ");
-
- while (tok)
- {
- if (ParseIPMask(tok, &ip, &mask) != 0)
- {
- return -1;
- delete[] s;
- }
- //printfd(__FILE__, "ParseHosts tok %s\n", tok);
- tok = strtok(NULL, " ");
- if (hostsType == hostsAllow)
- {
- //printfd(__FILE__, "ParseHosts APPEND allow %X %X\n", ip, mask);
- hostAllowList.push_back(INETADDR(ip, mask));
- }
- else
- {
- //printfd(__FILE__, "ParseHosts APPEND deny %X %X\n", ip, mask);
- hostDenyList.push_back(INETADDR(ip, mask));
- }
- }
- }
-
-delete[] s;
-return 0;
-}
-//-----------------------------------------------------------------------------
-int HOSTALLOW::ParseIPMask(const char * s, uint32_t * ip, uint32_t * mask)
-{
-/*
-òÁÚÂÏÒ ÓÔÒÏËÉ ×ÉÄÁ a.b.c.d/e ÉÌÉ a.b.c.d
-
-123.123.123.123/30
- * */
-int len;
-char * host;
-
-int i = 0, msk;
-
-len = strlen(s);
-host = new char[len + 1];
-
-while (s[i] != 0 && s[i] != '/')
- {
- host[i] = s[i];
- i++;
- }
-
-host[i] = 0;
-
-if (inet_addr(host) == INADDR_NONE)
- {
- delete[] host;
- sprintf(errMsg, "Icorrect IP address %s", host);
- return -1;
- }
-
-*ip = inet_addr(host);
-
-char *res;
-
-if (s[i] == '/')
- {
- msk = strtol(&s[i+1], &res, 10);
- if (*res != 0)
- {
- sprintf(errMsg, "Icorrect mask %s", &s[i+1]);
- delete[] host;
- return -1;
- }
-
- if (msk < 0 || msk > 32)
- {
- sprintf(errMsg, "Icorrect mask %s", &s[i+1]);
- delete[] host;
- *mask = 0;
- return 0;
- }
-
- uint32_t m = 0;
- m = htonl(0xFFffFFff<<(32 - msk));
-
- *mask = m;
- }
-else
- {
- *mask = 0xFFffFFff;
- }
-
-if ((*ip & *mask) != *ip)
- {
- sprintf(errMsg, "Address does'n match mask.\n");
- delete[] host;
- return -1;
- }
-
-delete[] host;
-return 0;
-}
-//-----------------------------------------------------------------------------
-int HOSTALLOW::ParseOrder(const char * str)
-{
-/*
-ÐÒÏÉÚ×ÏÄÉÍ ÒÁÚÂÏÒ ÓÔÒÏËÉ ×ÉÄÁ allow deny ÉÌÉ deny allow
- */
-
-if (strcasecmp(str, "allow,deny") == 0)
- {
- order = orderAllow;
- return 0;
- }
-
-if (strcasecmp(str, "deny,allow") == 0)
- {
- order = orderDeny;
- return 0;
- }
-
-sprintf(errMsg, "Parameter \'order\' must be \'allow,deny\' or \'deny,allow\'");
-return -1;
-}
-//-----------------------------------------------------------------------------
-int HOSTALLOW::GetError()
-{
-/*
-÷ÏÚ×ÒÁÝÁÅÍ ËÏÄ ÏÛÉÂËÉ É ÓÂÒÁÓÙ×ÁÅÍ ÅÅ.
- * */
-return 0;
-}
-//-----------------------------------------------------------------------------
-bool HOSTALLOW::HostAllowed(uint32_t ip)
-{
-/*
-ðÒÏ×ÅÒÑÅÍ Ñ×ÌÑÅÔÓÑ ÌÉ éð ÒÁÚÒÅÛÅÎÎÙÍ ÉÌÉ ÎÅÔ
- * */
-
-if (order == orderDeny)
- {
- if (IsHostInDeniedList(ip))
- {
- return false;
- }
-
- if (IsHostInAllowedList(ip))
- {
- return true;
- }
- }
-else
- {
- if (IsHostInAllowedList(ip))
- {
- return true;
- }
-
- if (IsHostInDeniedList(ip))
- {
- return false;
- }
- }
-
-return false;
-}
-//-----------------------------------------------------------------------------
-int HOSTALLOW::IsIPInSubnet(uint32_t checkedIP, INETADDR &ia)
-{
-//uint32_t checkedIP;
-if ((ia.mask & checkedIP) == (ia.ip))
- return true;
-return false;
-}
-//-----------------------------------------------------------------------------
-bool HOSTALLOW::IsHostInAllowedList(uint32_t ip)
-{
-/*
-îÁÈÏÄÉÔÓÑ ÌÉ éð × ÓÐÉÓËÅ ÒÁÚÒÅÛÅÎÎÙÈ
- * */
-list<INETADDR>::iterator li;
-
-li = hostAllowList.begin();
-
-while(li != hostAllowList.end())
- {
- if (IsIPInSubnet(ip, *li))
- return true;
- }
-
-return false;
-}
-//-----------------------------------------------------------------------------
-bool HOSTALLOW::IsHostInDeniedList(uint32_t ip)
-{
-/*
-îÁÈÏÄÉÔÓÑ ÌÉ éð × ÓÐÉÓËÅ ÚÁÐÒÅÝÅÎÎÙÈ
- * */
-list<INETADDR>::iterator li;
-
-li = hostDenyList.begin();
-
-while(li != hostDenyList.end())
- {
- if (IsIPInSubnet(ip, *li))
- return true;
- }
-
-return false;
-}
-//-----------------------------------------------------------------------------
-const char * HOSTALLOW::GetStrError()
-{
-/*
-÷ÏÚ×ÒÁÝÁÅÍ ÔÅËÓÔÏ×ÏÅ ÏÐÉÓÁÎÉÅ ÏÛÉÂËÉ.
- * */
-return errMsg;
-}
-//-----------------------------------------------------------------------------
-
git.stg.codes / stg.git / blobdiff