* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
/* $ModDesc: Allows for MD5 encrypted oper passwords */
/* $ModDep: m_hash.h */
-#include "inspircd_config.h"
+#include "inspircd.h"
#ifdef HAS_STDINT
#include <stdint.h>
#endif
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "inspircd.h"
-
#include "m_hash.h"
/* The four core functions - F1 is optimized somewhat */
/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f,w,x,y,z,in,s) \
- (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
+ (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
#ifndef HAS_STDINT
typedef unsigned int uint32_t;
void byteSwap(word32 *buf, unsigned words)
{
byte *p = (byte *)buf;
-
+
do
{
*buf++ = (word32)((unsigned)p[3] << 8 | p[2]) << 16 |
} while (--words);
}
- void MD5Init(struct MD5Context *ctx, unsigned int* key = NULL)
+ void MD5Init(MD5Context *ctx, unsigned int* ikey = NULL)
{
/* These are the defaults for md5 */
- if (!key)
+ if (!ikey)
{
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
}
else
{
- ctx->buf[0] = key[0];
- ctx->buf[1] = key[1];
- ctx->buf[2] = key[2];
- ctx->buf[3] = key[3];
+ ctx->buf[0] = ikey[0];
+ ctx->buf[1] = ikey[1];
+ ctx->buf[2] = ikey[2];
+ ctx->buf[3] = ikey[3];
}
-
+
ctx->bytes[0] = 0;
ctx->bytes[1] = 0;
}
- void MD5Update(struct MD5Context *ctx, byte const *buf, int len)
+ 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], struct MD5Context *ctx)
+
+ 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));
}
-
+
void MD5Transform(word32 buf[4], word32 const in[16])
{
register 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, unsigned int* ikey)
{
MD5Context context;
- MD5Init(&context, key);
+ MD5Init(&context, ikey);
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)
+
+
+ void GenHash(const char* src, char* dest, const char* xtab, unsigned int* ikey, size_t srclen)
{
unsigned char bytes[16];
- MyMD5((char*)bytes, (void*)src, strlen(src), key);
+ MyMD5((char*)bytes, (void*)src, srclen, ikey);
for (int i = 0; i < 16; i++)
{
*dest++ = 0;
}
- unsigned int *key;
- char* chars;
-
public:
- ModuleMD5(InspIRCd* Me)
- : Module::Module(Me), key(NULL), chars(NULL)
+ ModuleMD5()
{
- ServerInstance->PublishInterface("HashRequest", this);
+ ServerInstance->Modules->PublishInterface("HashRequest", this);
}
-
+
virtual ~ModuleMD5()
{
- ServerInstance->UnpublishInterface("HashRequest", this);
+ ServerInstance->Modules->UnpublishInterface("HashRequest", this);
}
- void Implements(char* List)
- {
- List[I_OnRequest] = 1;
- }
-
- virtual char* OnRequest(Request* request)
- {
- HashRequest* MD5 = (HashRequest*)request;
- 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)
+ void OnRequest(Request& request)
+ {
+ if (strcmp("HASH", request.id) == 0)
{
- static char data[MAXBUF];
- GenHash((const char*)MD5->GetHashData(), data, chars ? chars : "0123456789abcdef", key);
- return data;
+ char res[16];
+ HashRequest& req = static_cast<HashRequest&>(request);
+ MyMD5(res, (void*)req.data.data(), req.data.length(), NULL);
+ req.binresult.assign(res, 16);
}
- else if (strcmp("NAME", request->GetId()) == 0)
+ else if (strcmp("HASH-IV", request.id) == 0)
{
- return "md5";
+ char res[33];
+ HashRequestIV& req = static_cast<HashRequestIV&>(request);
+ GenHash(req.data.data(), res, req.map, req.iv, req.data.length());
+ req.result = res;
}
- else if (strcmp("RESET", request->GetId()) == 0)
+ else if (strcmp("NAME", request.id) == 0)
{
- this->chars = NULL;
- this->key = NULL;
+ static_cast<HashNameRequest&>(request).response = "md5";
}
- return NULL;
}
- virtual Version GetVersion()
+ Version GetVersion()
{
- return Version(1,1,0,1,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+ return Version("Allows for MD5 encrypted oper passwords",VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
}
};
-
-class ModuleMD5Factory : public ModuleFactory
-{
- public:
- ModuleMD5Factory()
- {
- }
-
- ~ModuleMD5Factory()
- {
- }
-
- virtual Module * CreateModule(InspIRCd* Me)
- {
- return new ModuleMD5(Me);
- }
-
-};
-
-
-extern "C" void * init_module( void )
-{
- return new ModuleMD5Factory;
-}
+MODULE_INIT(ModuleMD5)
projects / user / henk / code / inspircd.git / blobdiff