// default initialisation procedure
int DMPlugin::init(void* args)
{
bool lastplugin = *((bool*)args);
if (!lastplugin) {
// compile regex for matching supported user agents
String r(cv["useragentregexp"]);
if (r.length() > 0) {
#ifdef DGDEBUG
std::cout<<"useragent regexp: "<<r<<std::endl;
#endif
ua_match.comp(r.toCharArray());
} else {
// no useragent regex? then default to .*
#ifdef DGDEBUG
std::cout<<"no useragent regular expression; defaulting to .*"<<std::endl;
#endif
alwaysmatchua = true;
}
if (!readStandardLists())
return -1;
}
#ifdef DGDEBUG
else
std::cout<<"Fallback DM plugin; no matching options loaded"<<std::endl;
#endif
return 0;
}
// start the plugin - i.e. read in the configuration
int CSPlugin::init(void* args)
{
if (!readStandardLists()) { //always
return DGCS_ERROR; //include
} // these
return DGCS_OK;
}
// start the plugin - i.e. read in the configuration
int CSPlugin::init(void *args)
{
if (cv["scanpost"] == "on")
scanpost = true;
else
scanpost = false;
if (!readStandardLists()) { //always
return DGCS_ERROR; //include
} // these
return DGCS_OK;
}
// initialise the plugin - determine icap ip, port & url
int icapinstance::init(void* args)
{
// always include these lists
if (!readStandardLists()) {
return DGCS_ERROR;
}
icapurl = cv["icapurl"]; // format: icap://icapserver:1344/avscan
if (icapurl.length() < 3) {
if (!is_daemonised)
std::cerr << "Error reading icapurl option." << std::endl;
syslog(LOG_ERR, "Error reading icapurl option.");
return DGCS_ERROR;
// it would be far better to do a test connection
}
icaphost = icapurl.after("//");
icapport = icaphost.after(":").before("/").toInteger();
if (icapport == 0) {
icapport = 1344;
}
icaphost = icaphost.before("/");
if (icaphost.contains(":")) {
icaphost = icaphost.before(":");
}
struct hostent *host;
if ((host = gethostbyname(icaphost.toCharArray())) == 0) {
if (!is_daemonised)
std::cerr << "Error resolving icap host address." << std::endl;
syslog(LOG_ERR, "Error resolving icap host address.");
return DGCS_ERROR;
}
icapip = inet_ntoa(*(struct in_addr *) host->h_addr_list[0]);
#ifdef DGDEBUG
std::cerr << "ICAP server address:" << icapip << std::endl;
#endif
// try to connect to the ICAP server and perform an OPTIONS request
Socket icapsock;
try {
if (icapsock.connect(icapip.toCharArray(), icapport) < 0) {
throw std::runtime_error("Could not connect to server");
}
String line("OPTIONS " + icapurl + " ICAP/1.0\r\nHost: " + icaphost + "\r\n\r\n");
icapsock.writeString(line.toCharArray());
// parse the response
char buff[8192];
// first line - look for 200 OK
icapsock.getLine(buff, 8192, o.content_scanner_timeout);
line = buff;
#ifdef DGDEBUG
std::cout << "ICAP/1.0 OPTIONS response:" << std::endl << line << std::endl;
#endif
if (line.after(" ").before(" ") != "200") {
if (!is_daemonised)
std::cerr << "ICAP response not 200 OK" << std::endl;
syslog(LOG_ERR, "ICAP response not 200 OK");
return DGCS_WARNING;
//throw std::runtime_error("Response not 200 OK");
}
while (icapsock.getLine(buff, 8192, o.content_scanner_timeout) > 0) {
line = buff;
#ifdef DGDEBUG
std::cout << line << std::endl;
#endif
if (line.startsWith("\r")) {
break;
}
else if (line.startsWith("Preview:")) {
usepreviews = true;
previewsize = line.after(": ").toInteger();
}
else if (line.startsWith("Server:")) {
if (line.contains("AntiVir-WebGate")) {
needsBody = true;
}
}
else if (line.startsWith("X-Allow-Out:")) {
if (line.contains("X-Infection-Found")) {
supportsXIF = true;
}
}
}
icapsock.close();
} catch(std::exception& e) {
if (!is_daemonised)
std::cerr << "ICAP server did not respond to OPTIONS request: " << e.what() << std::endl;
syslog(LOG_ERR, "ICAP server did not respond to OPTIONS request: %s", e.what());
return DGCS_ERROR;
}
#ifdef DGDEBUG
if (usepreviews)
std::cout << "Message previews enabled; size: " << previewsize << std::endl;
else
std::cout << "Message previews disabled" << std::endl;
#endif
return DGCS_OK;
}
