From 5869e779ee108a63b71798b50beee13ec2480d67 Mon Sep 17 00:00:00 2001
From: Alex Borisov <borisov.alexandr@rambler.ru>
Date: Sun, 20 Nov 2011 03:22:49 +0200
Subject: Parsing firewall rules

---
 client/Config.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 54 insertions(+), 6 deletions(-)

(limited to 'client/Config.cpp')

diff --git a/client/Config.cpp b/client/Config.cpp
index abf090a..a4a6c07 100644
--- a/client/Config.cpp
+++ b/client/Config.cpp
@@ -10,6 +10,39 @@
 using namespace std;
 
 
+/*
+ * Firewall Entry class
+ */
+void Config::FirewallEntry::Parse(string entry)
+{
+	Logger::Trace("Parsing firewall string: %s\n", entry.c_str());
+	
+	size_t lp1 = 0, lp2 = 0;
+	//extract action part
+	lp2 = entry.find(" ", lp1);
+	string action = entry.substr(lp1, lp2-lp1);
+	if (action.compare("block") == 0)
+	{
+		block = true;
+	}
+	else if (action.compare("allow") == 0)
+	{
+		block = false;
+	}
+	else
+	{
+		Logger::Error("Unknown firewall action! Skipping.\n");
+		return;
+	}
+	//extract host part	
+	lp1 = lp2 + 1;
+	host.clear();
+	host = entry.substr(lp1);
+}
+
+/*
+ * Config class
+ */
 Config::Config(): StaticProxySpeedLow(50)
 {	
 	Logger::Info("Parsing config.cfg to determine initial configuration\n");
@@ -240,9 +273,9 @@ void Config::ParseGenericProxies(string data)
 		if (proxies.eof())
 			break;
 		string entry = str;
-		ProxyEntryGeneric *proxy = new ProxyEntryGeneric;
-		proxy->Parse(entry);
-		genericProxy.push_back(*proxy);
+		ProxyEntryGeneric proxy;
+		proxy.Parse(entry);
+		genericProxy.push_back(proxy);
 	}
 }
 
@@ -261,15 +294,30 @@ void Config::ParseStaticPorxies(string data)
 		if (proxies.eof())
 			break;
 		string entry = str;
-		ProxyEntryStatic *proxy = new ProxyEntryStatic;
-		proxy->Parse(entry);
-		staticProxy.push_back(*proxy);
+		ProxyEntryStatic proxy;
+		proxy.Parse(entry);
+		staticProxy.push_back(proxy);
 	}
 }
 
 void Config::ParseFirewalls(string data)
 {
+	firewalls.clear();
 	
+	stringstream rules(data, ios_base::in);
+	const int str_size = 512;
+	char str[str_size] = {0};
+	while (! rules.eof())
+	{
+		rules.getline(str, str_size, ';');
+		rules.ignore(2,  '\n');
+		if (rules.eof())
+			break;
+		string entry = str;
+		FirewallEntry rule;
+		rule.Parse(entry);
+		firewalls.push_back(rule);
+	}
 }
 
 
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