-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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/>.
*/
-/* $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 "modules/hash.h"
/* The four core functions - F1 is optimized somewhat */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define MD5STEP(f,w,x,y,z,in,s) \
(w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
-#ifndef HAS_STDINT
-typedef unsigned int uint32_t;
-#endif
-
typedef uint32_t word32; /* NOT unsigned long. We don't support 16 bit platforms, anyway. */
typedef unsigned char byte;
/** An MD5 context, used by m_opermd5
*/
-class MD5Context : public classbase
+class MD5Context
{
public:
word32 buf[4];
word32 in[16];
};
-class ModuleMD5 : public Module
+class MD5Provider : public HashProvider
{
void byteSwap(word32 *buf, unsigned words)
{
byte *p = (byte *)buf;
-
+
do
{
*buf++ = (word32)((unsigned)p[3] << 8 | p[2]) << 16 |
} while (--words);
}
- void MD5Init(MD5Context *ctx, unsigned int* key = NULL)
+ void MD5Init(MD5Context *ctx)
{
/* These are the defaults for md5 */
- if (!key)
- {
- ctx->buf[0] = 0x67452301;
- ctx->buf[1] = 0xefcdab89;
- ctx->buf[2] = 0x98badcfe;
- ctx->buf[3] = 0x10325476;
- }
- else
- {
- ctx->buf[0] = key[0];
- ctx->buf[1] = key[1];
- ctx->buf[2] = key[2];
- ctx->buf[3] = key[3];
- }
-
+ ctx->buf[0] = 0x67452301;
+ ctx->buf[1] = 0xefcdab89;
+ ctx->buf[2] = 0x98badcfe;
+ ctx->buf[3] = 0x10325476;
+
ctx->bytes[0] = 0;
ctx->bytes[1] = 0;
}
void MD5Update(MD5Context *ctx, byte const *buf, int len)
{
word32 t;
-
+
/* Update byte count */
-
+
t = ctx->bytes[0];
if ((ctx->bytes[0] = t + len) < t)
ctx->bytes[1]++; /* Carry from low to high */
-
+
t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
if ((unsigned)t > (unsigned)len)
{
MD5Transform(ctx->buf, ctx->in);
buf += (unsigned)t;
len -= (unsigned)t;
-
+
/* Process data in 64-byte chunks */
while (len >= 64)
{
buf += 64;
len -= 64;
}
-
+
/* Handle any remaining bytes of data. */
memcpy(ctx->in, buf, len);
}
-
+
void MD5Final(byte digest[16], MD5Context *ctx)
{
int count = (int)(ctx->bytes[0] & 0x3f); /* Bytes in ctx->in */
byte *p = (byte *)ctx->in + count; /* First unused byte */
-
+
/* Set the first char of padding to 0x80. There is always room. */
*p++ = 0x80;
-
+
/* Bytes of padding needed to make 56 bytes (-8..55) */
count = 56 - 1 - count;
-
+
if (count < 0)
{ /* Padding forces an extra block */
memset(p, 0, count+8);
}
memset(p, 0, count+8);
byteSwap(ctx->in, 14);
-
+
/* Append length in bits and transform */
ctx->in[14] = ctx->bytes[0] << 3;
ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
MD5Transform(ctx->buf, ctx->in);
-
+
byteSwap(ctx->buf, 4);
memcpy(digest, ctx->buf, 16);
- memset(ctx, 0, sizeof(ctx));
+ memset(ctx, 0, sizeof(*ctx));
}
-
+
void MD5Transform(word32 buf[4], word32 const in[16])
{
- register word32 a, b, c, d;
-
+ word32 a, b, c, d;
+
a = buf[0];
b = buf[1];
c = buf[2];
d = buf[3];
-
+
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
+
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
+
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
+
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
-
+
buf[0] += a;
buf[1] += b;
buf[2] += c;
buf[3] += d;
}
-
-
- void MyMD5(void *dest, void *orig, int len, unsigned int* key)
+
+
+ void MyMD5(void *dest, void *orig, int len)
{
MD5Context context;
- MD5Init(&context, key);
+ MD5Init(&context);
MD5Update(&context, (const unsigned char*)orig, len);
MD5Final((unsigned char*)dest, &context);
}
-
-
- void GenHash(const char* src, char* dest, const char* xtab, unsigned int* key)
- {
- unsigned char bytes[16];
-
- MyMD5((char*)bytes, (void*)src, strlen(src), key);
-
- for (int i = 0; i < 16; i++)
- {
- *dest++ = xtab[bytes[i] / 16];
- *dest++ = xtab[bytes[i] % 16];
- }
- *dest++ = 0;
- }
-
- unsigned int *key;
- char* chars;
public:
-
- ModuleMD5(InspIRCd* Me)
- : Module(Me), key(NULL), chars(NULL)
- {
- ServerInstance->Modules->PublishInterface("HashRequest", this);
- Implementation eventlist[] = { I_OnRequest };
- ServerInstance->Modules->Attach(eventlist, this, 1);
- }
-
- virtual ~ModuleMD5()
+ std::string GenerateRaw(const std::string& data) CXX11_OVERRIDE
{
- ServerInstance->Modules->UnpublishInterface("HashRequest", this);
+ char res[16];
+ MyMD5(res, (void*)data.data(), data.length());
+ return std::string(res, 16);
}
-
- virtual char* OnRequest(Request* request)
- {
- HashRequest* MD5 = (HashRequest*)request;
+ MD5Provider(Module* parent) : HashProvider(parent, "md5", 16, 64) {}
+};
- if (strcmp("KEY", request->GetId()) == 0)
- {
- this->key = (unsigned int*)MD5->GetKeyData();
- }
- else if (strcmp("HEX", request->GetId()) == 0)
- {
- this->chars = (char*)MD5->GetOutputs();
- }
- else if (strcmp("SUM", request->GetId()) == 0)
- {
- static char data[MAXBUF];
- GenHash((const char*)MD5->GetHashData(), data, chars ? chars : "0123456789abcdef", key);
- return data;
- }
- else if (strcmp("NAME", request->GetId()) == 0)
- {
- return "md5";
- }
- else if (strcmp("RESET", request->GetId()) == 0)
- {
- this->chars = NULL;
- this->key = NULL;
- }
- return NULL;
+class ModuleMD5 : public Module
+{
+ MD5Provider md5;
+ public:
+ ModuleMD5() : md5(this)
+ {
}
- virtual Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
- return Version(1,1,0,1,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+ return Version("Implements MD5 hashing",VF_VENDOR);
}
};
projects / user / henk / code / inspircd.git / blobdiff