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Added several UDP Server Auth IPs to Windows Agent

This commit is contained in:
fermin831 2015-09-22 14:54:48 +02:00
parent 4d9589b043
commit d3ed049eb3
2 changed files with 43 additions and 23 deletions
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60
pandora_agents/win32/udp_server/udp_server.cc
View File

@ -38,16 +38,6 @@ unsigned long UDP_Server::getAddress () {
return this->address;
}
/**
* Get the address authorized to send commands to
* the server.
*
* @return Authorized address.
*/
unsigned long UDP_Server::getAuthAddress () {
return this->auth_address;
}
/**
* Get the port of the server.
*
@ -90,9 +80,9 @@ UDP_Server::UDP_Server (Pandora_Windows_Service *service, string address, string
this->address = inet_addr (address.c_str ());
}
if (auth_address.empty ()) {
this->auth_address = INADDR_ANY;
this->auth_address.push_front(INADDR_ANY);
} else {
this->auth_address = inet_addr (auth_address.c_str ());
splitAuthAddress (auth_address);
}
this->port = port;
this->running = 0;
@ -169,25 +159,21 @@ void Pandora::listen (UDP_Server *server) {
servaddr.sin_port = htons (server->getPort ());
bind(sockfd, (struct sockaddr *)&servaddr, sizeof (servaddr));
/* Get authorised address */
auth_addr = server->getAuthAddress ();
while (server->isRunning () == 1) {
len = sizeof(cliaddr);
n = recvfrom(sockfd, mesg, MAX_PACKET_SIZE, 0, (struct sockaddr *)&cliaddr, &len);
n = recvfrom(sockfd, mesg, MAX_PACKET_SIZE, 0, (struct sockaddr *)&cliaddr, &len);
if (n == SOCKET_ERROR) {
pandoraLog ("UDP Server: Error %d", WSAGetLastError ());
break;
}
/* Authenticate client */
if (auth_addr != INADDR_ANY && auth_addr != cliaddr.sin_addr.s_addr) {
if (server->isAddressAuth (cliaddr.sin_addr.s_addr)) {
mesg[n] = 0;
process_command (server->getService (), mesg);
} else {
pandoraLog ("UDP Server: Unauthorised access from %s", inet_ntoa (cliaddr.sin_addr));
continue;
}
mesg[n] = 0;
process_command (server->getService (), mesg);
}
WSACleanup ();
@ -263,3 +249,35 @@ int Pandora::process_command (Pandora_Windows_Service *service, char *command) {
return 0;
}
void UDP_Server::splitAuthAddress (string all_address) {
this->auth_address.clear();
size_t comma_pos;
string single_ip;
do {
single_ip.clear();
/*Splits ips with comma*/
comma_pos = all_address.find_first_of (',', 0);
if (comma_pos != string::npos){
single_ip = all_address.substr (0, comma_pos);
} else {
single_ip = all_address;
}
unsigned long single_ip_num = inet_addr (single_ip.c_str ());
if (single_ip_num != INADDR_NONE) {
this->auth_address.push_back (single_ip_num);
} else {
pandoraDebug ("Invalid UDP Server Auth Address: %s", single_ip.c_str ());
}
all_address = all_address.substr (comma_pos + 1, all_address.length ());
} while (comma_pos != string::npos);
}
bool UDP_Server::isAddressAuth (unsigned long ip){
for (this->it=(this->auth_address).begin(); this->it != (this->auth_address).end(); ++it) {
if (*it == ip || *it == INADDR_ANY) {
return true;
}
}
return false;
}

6
pandora_agents/win32/udp_server/udp_server.h
View File

@ -37,20 +37,22 @@ namespace Pandora {
UDP_Server (Pandora_Windows_Service *service, string address, string auth_address, unsigned int port);
virtual ~UDP_Server ();
unsigned long getAddress ();
unsigned long getAuthAddress ();
unsigned long getPort ();
Pandora_Windows_Service *getService ();
unsigned char isRunning ();
bool isAddressAuth (unsigned long ip);
int start ();
int stop ();
private:
unsigned long address;
unsigned long auth_address;
list<unsigned long> auth_address;
list<unsigned long>::iterator it;
unsigned long port;
unsigned char running;
Pandora_Windows_Service *service;
void splitAuthAddress (string all_address);
};
void listen (UDP_Server *server);