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-rw-r--r--src/modules/hash.h (renamed from src/modules/m_hash.h)25
-rw-r--r--src/modules/m_cloaking.cpp2
-rw-r--r--src/modules/m_md5.cpp5
-rw-r--r--src/modules/m_password_hash.cpp29
-rw-r--r--src/modules/m_ripemd160.cpp5
-rw-r--r--src/modules/m_sha256.cpp8
-rw-r--r--src/modules/m_spanningtree/hmac.cpp44
-rw-r--r--src/modules/m_spanningtree/treesocket1.cpp1
-rw-r--r--src/modules/m_sqlauth.cpp3
-rw-r--r--src/modules/m_sqloper.cpp3
10 files changed, 57 insertions, 68 deletions
diff --git a/src/modules/m_hash.h b/src/modules/hash.h
index edc9688b8..7e93f0ddc 100644
--- a/src/modules/m_hash.h
+++ b/src/modules/hash.h
@@ -16,13 +16,13 @@
#include "modules.h"
-#define SHA256_DIGEST_SIZE (256 / 8)
-#define SHA256_BLOCK_SIZE (512 / 8)
-
class HashProvider : public DataProvider
{
public:
- HashProvider(Module* mod, const std::string& Name) : DataProvider(mod, Name) {}
+ const unsigned int out_size;
+ const unsigned int block_size;
+ HashProvider(Module* mod, const std::string& Name, int osiz, int bsiz)
+ : DataProvider(mod, Name), out_size(osiz), block_size(bsiz) {}
virtual std::string sum(const std::string& data) = 0;
inline std::string hexsum(const std::string& data)
{
@@ -47,6 +47,23 @@ class HashProvider : public DataProvider
* \endcode
*/
virtual std::string sumIV(unsigned int* IV, const char* HexMap, const std::string &sdata) = 0;
+
+ /** HMAC algorithm, RFC 2104 */
+ std::string hmac(const std::string& key, const std::string& msg)
+ {
+ std::string hmac1, hmac2;
+ std::string kbuf = key.length() > block_size ? sum(key) : key;
+ kbuf.resize(block_size);
+
+ for (size_t n = 0; n < block_size; n++)
+ {
+ hmac1.push_back(static_cast<char>(kbuf[n] ^ 0x5C));
+ hmac2.push_back(static_cast<char>(kbuf[n] ^ 0x36));
+ }
+ hmac2.append(msg);
+ hmac1.append(sum(hmac2));
+ return sum(hmac1);
+ }
};
#endif
diff --git a/src/modules/m_cloaking.cpp b/src/modules/m_cloaking.cpp
index 56a2f5d43..0d6e2b00a 100644
--- a/src/modules/m_cloaking.cpp
+++ b/src/modules/m_cloaking.cpp
@@ -12,7 +12,7 @@
*/
#include "inspircd.h"
-#include "m_hash.h"
+#include "hash.h"
/* $ModDesc: Provides masking of user hostnames */
diff --git a/src/modules/m_md5.cpp b/src/modules/m_md5.cpp
index c6761926a..a6df62dd9 100644
--- a/src/modules/m_md5.cpp
+++ b/src/modules/m_md5.cpp
@@ -12,13 +12,12 @@
*/
/* $ModDesc: Allows for MD5 encrypted oper passwords */
-/* $ModDep: m_hash.h */
#include "inspircd.h"
#ifdef HAS_STDINT
#include <stdint.h>
#endif
-#include "m_hash.h"
+#include "hash.h"
/* The four core functions - F1 is optimized somewhat */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
@@ -273,7 +272,7 @@ class MD5Provider : public HashProvider
return res;
}
- MD5Provider(Module* parent) : HashProvider(parent, "hash/md5") {}
+ MD5Provider(Module* parent) : HashProvider(parent, "hash/md5", 16, 64) {}
};
class ModuleMD5 : public Module
diff --git a/src/modules/m_password_hash.cpp b/src/modules/m_password_hash.cpp
index d27856b3e..7d2b9fc79 100644
--- a/src/modules/m_password_hash.cpp
+++ b/src/modules/m_password_hash.cpp
@@ -14,20 +14,7 @@
/* $ModDesc: Allows for hashed oper passwords */
#include "inspircd.h"
-#include "m_hash.h"
-
-static std::string hmac(HashProvider* hp, const std::string& key, const std::string& msg)
-{
- std::string hmac1, hmac2;
- for (size_t n = 0; n < key.length(); n++)
- {
- hmac1.push_back(static_cast<char>(key[n] ^ 0x5C));
- hmac2.push_back(static_cast<char>(key[n] ^ 0x36));
- }
- hmac2.append(msg);
- hmac1.append(hp->sum(hmac2));
- return hp->sum(hmac1);
-}
+#include "hash.h"
/* Handle /MKPASSWD
*/
@@ -51,8 +38,8 @@ class CommandMkpasswd : public Command
user->WriteServ("NOTICE %s :Unknown hash type", user->nick.c_str());
return;
}
- std::string salt = GenRandomStr(6, false);
- std::string target = hmac(hp, salt, stuff);
+ std::string salt = ServerInstance->GenRandomStr(6, false);
+ std::string target = hp->hmac(salt, stuff);
std::string str = BinToBase64(salt) + "$" + BinToBase64(target, NULL, 0);
user->WriteServ("NOTICE %s :%s hashed password for %s is %s",
@@ -109,15 +96,7 @@ class ModuleOperHash : public Module
std::string salt = Base64ToBin(data.substr(0, sep));
std::string target = Base64ToBin(data.substr(sep + 1));
- std::string hmac1, hmac2;
- for (size_t n = 0; n < salt.length(); n++)
- {
- hmac1.push_back(static_cast<char>(salt[n] ^ 0x5C));
- hmac2.push_back(static_cast<char>(salt[n] ^ 0x36));
- }
- hmac2.append(input);
- hmac1.append(hp->sum(hmac2));
- if (target == hp->sum(hmac1))
+ if (target == hp->hmac(salt, input))
return MOD_RES_ALLOW;
else
return MOD_RES_DENY;
diff --git a/src/modules/m_ripemd160.cpp b/src/modules/m_ripemd160.cpp
index 44e16c86f..c126db661 100644
--- a/src/modules/m_ripemd160.cpp
+++ b/src/modules/m_ripemd160.cpp
@@ -48,7 +48,6 @@
/* $ModDesc: Allows for RIPEMD-160 encrypted oper passwords */
-/* $ModDep: m_hash.h */
/* macro definitions */
@@ -56,7 +55,7 @@
#ifdef HAS_STDINT
#include <stdint.h>
#endif
-#include "m_hash.h"
+#include "hash.h"
#define RMDsize 160
@@ -448,7 +447,7 @@ public:
return "";
}
- RIProv(Module* m) : HashProvider(m, "hash/ripemd160") {}
+ RIProv(Module* m) : HashProvider(m, "hash/ripemd160", 20, 64) {}
};
class ModuleRIPEMD160 : public Module
diff --git a/src/modules/m_sha256.cpp b/src/modules/m_sha256.cpp
index 679a97ae0..707853a49 100644
--- a/src/modules/m_sha256.cpp
+++ b/src/modules/m_sha256.cpp
@@ -48,18 +48,20 @@
*/
/* $ModDesc: Allows for SHA-256 encrypted oper passwords */
-/* $ModDep: m_hash.h */
#include "inspircd.h"
#ifdef HAS_STDINT
#include <stdint.h>
#endif
-#include "m_hash.h"
+#include "hash.h"
#ifndef HAS_STDINT
typedef unsigned int uint32_t;
#endif
+#define SHA256_DIGEST_SIZE (256 / 8)
+#define SHA256_BLOCK_SIZE (512 / 8)
+
/** An sha 256 context, used by m_opersha256
*/
class SHA256Context
@@ -257,7 +259,7 @@ class HashSHA256 : public HashProvider
return "";
}
- HashSHA256(Module* parent) : HashProvider(parent, "hash/sha256") {}
+ HashSHA256(Module* parent) : HashProvider(parent, "hash/sha256", 32, 64) {}
};
class ModuleSHA256 : public Module
diff --git a/src/modules/m_spanningtree/hmac.cpp b/src/modules/m_spanningtree/hmac.cpp
index 52128b17b..e339598af 100644
--- a/src/modules/m_spanningtree/hmac.cpp
+++ b/src/modules/m_spanningtree/hmac.cpp
@@ -14,7 +14,7 @@
#include "inspircd.h"
#include "socket.h"
#include "xline.h"
-#include "../m_hash.h"
+#include "../hash.h"
#include "../ssl.h"
#include "socketengine.h"
@@ -56,31 +56,23 @@ std::string TreeSocket::MakePass(const std::string &password, const std::string
HashProvider* sha256 = ServerInstance->Modules->FindDataService<HashProvider>("hash/sha256");
if (Utils->ChallengeResponse && sha256 && !challenge.empty())
{
- /* This is how HMAC is supposed to be done:
- *
- * sha256( (pass xor 0x5c) + sha256((pass xor 0x36) + m) )
- *
- * 5c and 36 were chosen as part of the HMAC standard, because they
- * flip the bits in a way likely to strengthen the function.
- */
- std::string hmac1, hmac2;
-
- for (size_t n = 0; n < password.length(); n++)
+ if (proto_version < 1202)
{
- hmac1.push_back(static_cast<char>(password[n] ^ 0x5C));
- hmac2.push_back(static_cast<char>(password[n] ^ 0x36));
- }
+ /* This is how HMAC is done in InspIRCd 1.2:
+ *
+ * sha256( (pass xor 0x5c) + sha256((pass xor 0x36) + m) )
+ *
+ * 5c and 36 were chosen as part of the HMAC standard, because they
+ * flip the bits in a way likely to strengthen the function.
+ */
+ std::string hmac1, hmac2;
+
+ for (size_t n = 0; n < password.length(); n++)
+ {
+ hmac1.push_back(static_cast<char>(password[n] ^ 0x5C));
+ hmac2.push_back(static_cast<char>(password[n] ^ 0x36));
+ }
- if (proto_version >= 1202)
- {
- hmac2.append(challenge);
- std::string hmac = sha256->hexsum(hmac1 + sha256->sum(hmac2));
-
- return "AUTH:" + hmac;
- }
- else
- {
- // version 1.2 used a weaker HMAC, using hex output in the intermediate step
hmac2.append(challenge);
hmac2 = sha256->hexsum(hmac2);
@@ -89,6 +81,10 @@ std::string TreeSocket::MakePass(const std::string &password, const std::string
return "HMAC-SHA256:"+ hmac;
}
+ else
+ {
+ return "AUTH:" + BinToBase64(sha256->hmac(password, challenge));
+ }
}
else if (!challenge.empty() && !sha256)
ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Not authenticating to server using SHA256/HMAC because we don't have m_sha256 loaded!");
diff --git a/src/modules/m_spanningtree/treesocket1.cpp b/src/modules/m_spanningtree/treesocket1.cpp
index 596f31041..f1925afad 100644
--- a/src/modules/m_spanningtree/treesocket1.cpp
+++ b/src/modules/m_spanningtree/treesocket1.cpp
@@ -14,7 +14,6 @@
#include "inspircd.h"
#include "socket.h"
#include "xline.h"
-#include "../m_hash.h"
#include "socketengine.h"
#include "main.h"
diff --git a/src/modules/m_sqlauth.cpp b/src/modules/m_sqlauth.cpp
index 88de06d1a..59faf0c3d 100644
--- a/src/modules/m_sqlauth.cpp
+++ b/src/modules/m_sqlauth.cpp
@@ -14,10 +14,9 @@
#include "inspircd.h"
#include "m_sqlv2.h"
#include "m_sqlutils.h"
-#include "m_hash.h"
+#include "hash.h"
/* $ModDesc: Allow/Deny connections based upon an arbitary SQL table */
-/* $ModDep: m_sqlv2.h m_sqlutils.h m_hash.h */
class ModuleSQLAuth : public Module
{
diff --git a/src/modules/m_sqloper.cpp b/src/modules/m_sqloper.cpp
index b4cdc760a..871ef7d46 100644
--- a/src/modules/m_sqloper.cpp
+++ b/src/modules/m_sqloper.cpp
@@ -14,10 +14,9 @@
#include "inspircd.h"
#include "m_sqlv2.h"
#include "m_sqlutils.h"
-#include "m_hash.h"
+#include "hash.h"
/* $ModDesc: Allows storage of oper credentials in an SQL table */
-/* $ModDep: m_sqlv2.h m_sqlutils.h m_hash.h */
typedef std::map<irc::string, Module*> hashymodules;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 20:41:56 +0000