X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fwildcard.cpp;h=f9e706906b3f4bbe3339b22b36088680a035bf6d;hb=e2b0f3dc9ef4d56c71d7abda13e6139ca092e387;hp=41070d14506c8f30fdae2f48902a09406760e4c7;hpb=61b45c935dbb50c280970c9f431fd1c7ef4eb680;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/wildcard.cpp b/src/wildcard.cpp
index 41070d145..f9e706906 100644
--- a/src/wildcard.cpp
+++ b/src/wildcard.cpp
@@ -1,90 +1,126 @@
-#include <string>
-#include "inspircd_config.h"
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013, 2017 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ *   Copyright (C) 2008, 2010 Craig Edwards <brain@inspircd.org>
+ *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
+ *
+ * This file is part of InspIRCd.  InspIRCd 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, version 2.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+
 #include "inspircd.h"
 
-void Delete(char* str,int pos)
+static bool MatchInternal(const unsigned char* str, const unsigned char* mask, unsigned const char* map)
 {
-	char moo[MAXBUF];
-	strcpy(moo,str);
-	moo[pos] = '\0';
-	strcpy(str,moo);
-	strcat(str,moo+pos+1);
+	unsigned char* cp = NULL;
+	unsigned char* mp = NULL;
+	unsigned char* string = (unsigned char*)str;
+	unsigned char* wild = (unsigned char*)mask;
+
+	while ((*string) && (*wild != '*'))
+	{
+		if ((map[*wild] != map[*string]) && (*wild != '?'))
+		{
+			return 0;
+		}
+		wild++;
+		string++;
+	}
+
+	while (*string)
+	{
+		if (*wild == '*')
+		{
+			if (!*++wild)
+			{
+				return 1;
+			}
+			mp = wild;
+			cp = string+1;
+		}
+		else
+			if ((map[*wild] == map[*string]) || (*wild == '?'))
+			{
+				wild++;
+				string++;
+			}
+			else
+			{
+				wild = mp;
+				string = cp++;
+			}
+
+	}
+
+	while (*wild == '*')
+	{
+		wild++;
+	}
+
+	return !*wild;
 }
 
-void Insert(char* substr,char* str,int pos)
+// Below here is all wrappers around MatchInternal
+
+bool InspIRCd::Match(const std::string& str, const std::string& mask, unsigned const char* map)
 {
-	std::string a = str;
-	a.insert(pos,substr);
-	strcpy(str,a.c_str());
+	if (!map)
+		map = national_case_insensitive_map;
+
+	return MatchInternal((const unsigned char*)str.c_str(), (const unsigned char*)mask.c_str(), map);
 }
 
+bool InspIRCd::Match(const char* str, const char* mask, unsigned const char* map)
+{
+	if (!map)
+		map = national_case_insensitive_map;
 
-int MWC = 0;
+	return MatchInternal((const unsigned char*)str, (const unsigned char*)mask, map);
+}
 
-bool match2(char* literal,char* mask)
+bool InspIRCd::MatchCIDR(const std::string& str, const std::string& mask, unsigned const char* map)
 {
+	if (irc::sockets::MatchCIDR(str, mask, true))
+		return true;
 
-char OldM[MAXBUF];
-int I,I2;
-
-if (MWC)
-	return true;
-
-if ((strstr(mask,"*")==0) && (strlen(literal) != strlen(mask)))
-	return 0;
- I=0;
- I2=0;
- while (I < strlen(mask))
- {
-   if (I2 >= strlen(literal))
-	   return 0;
- 
-   if ((mask[I]=='*') && (MWC==0))
-   {
-     strcpy(OldM,mask);
-     
-     Delete(mask,I);
-     
-     while (strlen(mask)<255)
-     {
-       match2(literal,mask);
-       if (MWC==2)
-	       return 1;
-
-       Insert("?",mask,I);
-     }
-     strcpy(mask,OldM);
-     Delete(mask,I);
-     Insert("?",mask,I);
-   }
-   if (mask[I]=='?')
-   {
-     I++;
-     I2++;
-     continue;
-   }
-   if (mask[I] != literal[I2])
-	   return 0;
-   if (MWC)
-	   return 1;
-   I++;
-   I2++;
- }
- if (strlen(literal)==strlen(mask))
-		 MWC=2;
-
+	// Fall back to regular match
+	return InspIRCd::Match(str, mask, map);
 }
 
-bool match(char* literal, char* mask)
+bool InspIRCd::MatchCIDR(const char* str, const char* mask, unsigned const char* map)
 {
-	char L[10240];
-	char M[10240];
-	MWC = 0;
-	strncpy(L,literal,10240);
-	strncpy(M,mask,10240);
-	strlower(L);
-	strlower(M);
-	match2(L,M);
-	return (MWC == 2);
+	if (irc::sockets::MatchCIDR(str, mask, true))
+		return true;
+
+	// Fall back to regular match
+	return InspIRCd::Match(str, mask, map);
 }
 
+bool InspIRCd::MatchMask(const std::string& masks, const std::string& hostname, const std::string& ipaddr)
+{
+	irc::spacesepstream masklist(masks);
+	std::string mask;
+	while (masklist.GetToken(mask))
+	{
+		if (InspIRCd::Match(hostname, mask, ascii_case_insensitive_map) ||
+			InspIRCd::MatchCIDR(ipaddr, mask, ascii_case_insensitive_map))
+		{
+			return true;
+		}
+	}
+	return false;
+}