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-rw-r--r--src/modules/m_cloaking.cpp150
1 files changed, 77 insertions, 73 deletions
diff --git a/src/modules/m_cloaking.cpp b/src/modules/m_cloaking.cpp
index d45c920ce..0583930d5 100644
--- a/src/modules/m_cloaking.cpp
+++ b/src/modules/m_cloaking.cpp
@@ -32,6 +32,74 @@ class CloakUser : public ModeHandler
Module* HashProvider;
const char *xtab[4];
+ void ApplyCloak(User *dest)
+ {
+ if (dest->host.find('.') != std::string::npos || dest->host.find(':') != std::string::npos)
+ {
+ unsigned int iv[] = { key1, key2, key3, key4 };
+ std::string a = LastTwoDomainParts(dest->host);
+ std::string b;
+
+ /* InspIRCd users have two hostnames; A displayed
+ * hostname which can be modified by modules (e.g.
+ * to create vhosts, implement chghost, etc) and a
+ * 'real' hostname which you shouldnt write to.
+ */
+
+ /* 2008/08/18: add <cloak:ipalways> which always cloaks
+ * the IP, for anonymity. --nenolod
+ */
+ if (!ipalways)
+ {
+ /** Reset the Hash module, and send it our IV and hex table */
+ HashResetRequest(Sender, HashProvider).Send();
+ HashKeyRequest(Sender, HashProvider, iv).Send();
+ HashHexRequest(Sender, HashProvider, xtab[(dest->host[0]) % 4]);
+
+ /* Generate a cloak using specialized Hash */
+ std::string hostcloak = prefix + "-" + std::string(HashSumRequest(Sender, HashProvider, dest->host.c_str()).Send()).substr(0,8) + a;
+
+ /* Fix by brain - if the cloaked host is > the max length of a host (64 bytes
+ * according to the DNS RFC) then tough titty, they get cloaked as an IP.
+ * Their ISP shouldnt go to town on subdomains, or they shouldnt have a kiddie
+ * vhost.
+ */
+#ifdef IPV6
+ in6_addr testaddr;
+ in_addr testaddr2;
+ if ((dest->GetProtocolFamily() == AF_INET6) && (inet_pton(AF_INET6,dest->host.c_str(),&testaddr) < 1) && (hostcloak.length() <= 64))
+ /* Invalid ipv6 address, and ipv6 user (resolved host) */
+ b = hostcloak;
+ else if ((dest->GetProtocolFamily() == AF_INET) && (inet_aton(dest->host.c_str(),&testaddr2) < 1) && (hostcloak.length() <= 64))
+ /* Invalid ipv4 address, and ipv4 user (resolved host) */
+ b = hostcloak;
+ else
+ /* Valid ipv6 or ipv4 address (not resolved) ipv4 or ipv6 user */
+ b = ((!strchr(dest->host.c_str(),':')) ? Cloak4(dest->host.c_str()) : Cloak6(dest->host.c_str()));
+#else
+ in_addr testaddr;
+ if ((inet_aton(dest->host.c_str(),&testaddr) < 1) && (hostcloak.length() <= 64))
+ /* Invalid ipv4 address, and ipv4 user (resolved host) */
+ b = hostcloak;
+ else
+ /* Valid ipv4 address (not resolved) ipv4 user */
+ b = Cloak4(dest->host.c_str());
+#endif
+ }
+ else
+ {
+#ifdef IPV6
+ if (dest->GetProtocolFamily() == AF_INET6)
+ b = Cloak6(dest->GetIPString());
+#endif
+ if (dest->GetProtocolFamily() == AF_INET)
+ b = Cloak4(dest->GetIPString());
+ }
+
+ dest->Extend("cloaked_host", new std::string(b));
+ }
+ }
+
/** This function takes a domain name string and returns just the last two domain parts,
* or the last domain part if only two are available. Failing that it just returns what it was given.
*
@@ -100,13 +168,17 @@ class CloakUser : public ModeHandler
std::string* cloak;
- if (dest->GetExt("cloaked_host", cloak))
+ if (!dest->GetExt("cloaked_host", cloak))
{
- /* Cloaked host has been set before on this user, don't bother to recalculate and waste cpu */
- dest->ChangeDisplayedHost(cloak->c_str());
- dest->SetMode('x',true);
- return MODEACTION_ALLOW;
+ /* Cloaked host has not been calculated previously */
+ this->ApplyCloak(dest);
+ if (!dest->GetExt("cloaked_host", cloak))
+ throw "ack, can't cloak!";
}
+
+ dest->ChangeDisplayedHost(cloak->c_str());
+ dest->SetMode('x',true);
+ return MODEACTION_ALLOW;
}
}
else
@@ -358,74 +430,6 @@ class ModuleCloaking : public Module
cu->DoRehash();
}
- virtual void OnUserConnect(User* dest)
- {
- if (dest->host.find('.') != std::string::npos || dest->host.find(':') != std::string::npos)
- {
- unsigned int iv[] = { cu->key1, cu->key2, cu->key3, cu->key4 };
- std::string a = cu->LastTwoDomainParts(dest->host);
- std::string b;
-
- /* InspIRCd users have two hostnames; A displayed
- * hostname which can be modified by modules (e.g.
- * to create vhosts, implement chghost, etc) and a
- * 'real' hostname which you shouldnt write to.
- */
-
- /* 2008/08/18: add <cloak:ipalways> which always cloaks
- * the IP, for anonymity. --nenolod
- */
- if (!cu->ipalways)
- {
- /** Reset the Hash module, and send it our IV and hex table */
- HashResetRequest(this, cu->HashProvider).Send();
- HashKeyRequest(this, cu->HashProvider, iv).Send();
- HashHexRequest(this, cu->HashProvider, cu->xtab[(dest->host[0]) % 4]);
-
- /* Generate a cloak using specialized Hash */
- std::string hostcloak = cu->prefix + "-" + std::string(HashSumRequest(this, cu->HashProvider, dest->host.c_str()).Send()).substr(0,8) + a;
-
- /* Fix by brain - if the cloaked host is > the max length of a host (64 bytes
- * according to the DNS RFC) then tough titty, they get cloaked as an IP.
- * Their ISP shouldnt go to town on subdomains, or they shouldnt have a kiddie
- * vhost.
- */
-#ifdef IPV6
- in6_addr testaddr;
- in_addr testaddr2;
- if ((dest->GetProtocolFamily() == AF_INET6) && (inet_pton(AF_INET6,dest->host.c_str(),&testaddr) < 1) && (hostcloak.length() <= 64))
- /* Invalid ipv6 address, and ipv6 user (resolved host) */
- b = hostcloak;
- else if ((dest->GetProtocolFamily() == AF_INET) && (inet_aton(dest->host.c_str(),&testaddr2) < 1) && (hostcloak.length() <= 64))
- /* Invalid ipv4 address, and ipv4 user (resolved host) */
- b = hostcloak;
- else
- /* Valid ipv6 or ipv4 address (not resolved) ipv4 or ipv6 user */
- b = ((!strchr(dest->host.c_str(),':')) ? cu->Cloak4(dest->host.c_str()) : cu->Cloak6(dest->host.c_str()));
-#else
- in_addr testaddr;
- if ((inet_aton(dest->host.c_str(),&testaddr) < 1) && (hostcloak.length() <= 64))
- /* Invalid ipv4 address, and ipv4 user (resolved host) */
- b = hostcloak;
- else
- /* Valid ipv4 address (not resolved) ipv4 user */
- b = cu->Cloak4(dest->host.c_str());
-#endif
- }
- else
- {
-#ifdef IPV6
- if (dest->GetProtocolFamily() == AF_INET6)
- b = cu->Cloak6(dest->GetIPString());
-#endif
- if (dest->GetProtocolFamily() == AF_INET)
- b = cu->Cloak4(dest->GetIPString());
- }
-
- dest->Extend("cloaked_host", new std::string(b));
- }
- }
-
};
MODULE_INIT(ModuleCloaking)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 15:47:17 +0000