-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r/* m_sha256 - Based on m_opersha256 written by Special <john@yarbbles.com>\r * Modified and improved by Craig Edwards, December 2006.\r *\r *\r * FIPS 180-2 SHA-224/256/384/512 implementation\r * Last update: 05/23/2005\r * Issue date: 04/30/2005\r *\r * Copyright (C) 2005 Olivier Gay <olivier.gay@a3.epfl.ch>\r * All rights reserved.\r *\r * Redistribution and use in source and binary forms, with or without\r * modification, are permitted provided that the following conditions\r * are met:\r * 1. Redistributions of source code must retain the above copyright\r * notice, this list of conditions and the following disclaimer.\r * 2. Redistributions in binary form must reproduce the above copyright\r * notice, this list of conditions and the following disclaimer in the\r * documentation and/or other materials provided with the distribution.\r * 3. Neither the name of the project nor the names of its contributors\r * may be used to endorse or promote products derived from this software\r * without specific prior written permission.\r *\r * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND\r * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE\r * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r * SUCH DAMAGE.\r */\r\r/* $ModDesc: Allows for SHA-256 encrypted oper passwords */\r/* $ModDep: m_hash.h */\r\r#include "inspircd.h"\r#ifdef HAS_STDINT\r#include <stdint.h>\r#endif\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "m_hash.h"\r\r#ifndef HAS_STDINT\rtypedef unsigned int uint32_t;\r#endif\r\r/** An sha 256 context, used by m_opersha256\r */\rclass SHA256Context : public classbase\r{\r public:\r unsigned int tot_len;\r unsigned int len;\r unsigned char block[2 * SHA256_BLOCK_SIZE];\r uint32_t h[8];\r};\r\r#define SHFR(x, n) (x >> n)\r#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))\r#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))\r#define CH(x, y, z) ((x & y) ^ (~x & z))\r#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))\r\r#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))\r#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))\r#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))\r#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))\r\r#define UNPACK32(x, str) \\r{ \\r *((str) + 3) = (uint8_t) ((x) ); \\r *((str) + 2) = (uint8_t) ((x) >> 8); \\r *((str) + 1) = (uint8_t) ((x) >> 16); \\r *((str) + 0) = (uint8_t) ((x) >> 24); \\r}\r\r#define PACK32(str, x) \\r{ \\r *(x) = ((uint32_t) *((str) + 3) ) \\r | ((uint32_t) *((str) + 2) << 8) \\r | ((uint32_t) *((str) + 1) << 16) \\r | ((uint32_t) *((str) + 0) << 24); \\r}\r\r/* Macros used for loops unrolling */\r\r#define SHA256_SCR(i) \\r{ \\r w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \\r + SHA256_F3(w[i - 15]) + w[i - 16]; \\r}\r\rconst unsigned int sha256_h0[8] =\r{\r 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,\r 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19\r};\r\ruint32_t sha256_k[64] =\r{\r 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,\r 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,\r 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,\r 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,\r 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,\r 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,\r 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,\r 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,\r 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,\r 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,\r 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,\r 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,\r 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,\r 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,\r 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,\r 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2\r};\r\rclass ModuleSHA256 : public Module\r{\r void SHA256Init(SHA256Context *ctx, const unsigned int* key)\r {\r if (key)\r {\r for (int i = 0; i < 8; i++)\r ctx->h[i] = key[i];\r }\r else\r {\r for (int i = 0; i < 8; i++)\r ctx->h[i] = sha256_h0[i];\r }\r ctx->len = 0;\r ctx->tot_len = 0;\r }\r\r void SHA256Transform(SHA256Context *ctx, unsigned char *message, unsigned int block_nb)\r {\r uint32_t w[64];\r uint32_t wv[8];\r unsigned char *sub_block;\r for (unsigned int i = 1; i <= block_nb; i++)\r {\r int j;\r sub_block = message + ((i - 1) << 6);\r \r for (j = 0; j < 16; j++)\r PACK32(&sub_block[j << 2], &w[j]);\r for (j = 16; j < 64; j++)\r SHA256_SCR(j);\r for (j = 0; j < 8; j++)\r wv[j] = ctx->h[j];\r for (j = 0; j < 64; j++)\r {\r uint32_t t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6]) + sha256_k[j] + w[j];\r uint32_t t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);\r wv[7] = wv[6];\r wv[6] = wv[5];\r wv[5] = wv[4];\r wv[4] = wv[3] + t1;\r wv[3] = wv[2];\r wv[2] = wv[1];\r wv[1] = wv[0];\r wv[0] = t1 + t2;\r }\r for (j = 0; j < 8; j++)\r ctx->h[j] += wv[j];\r }\r }\r \r void SHA256Update(SHA256Context *ctx, unsigned char *message, unsigned int len)\r {\r unsigned int rem_len = SHA256_BLOCK_SIZE - ctx->len;\r memcpy(&ctx->block[ctx->len], message, rem_len);\r if (ctx->len + len < SHA256_BLOCK_SIZE)\r {\r ctx->len += len;\r return;\r }\r unsigned int new_len = len - rem_len;\r unsigned int block_nb = new_len / SHA256_BLOCK_SIZE;\r unsigned char *shifted_message = message + rem_len;\r SHA256Transform(ctx, ctx->block, 1);\r SHA256Transform(ctx, shifted_message, block_nb);\r rem_len = new_len % SHA256_BLOCK_SIZE;\r memcpy(ctx->block, &shifted_message[block_nb << 6],rem_len);\r ctx->len = rem_len;\r ctx->tot_len += (block_nb + 1) << 6;\r }\r \r void SHA256Final(SHA256Context *ctx, unsigned char *digest)\r {\r unsigned int block_nb = (1 + ((SHA256_BLOCK_SIZE - 9) < (ctx->len % SHA256_BLOCK_SIZE)));\r unsigned int len_b = (ctx->tot_len + ctx->len) << 3;\r unsigned int pm_len = block_nb << 6;\r memset(ctx->block + ctx->len, 0, pm_len - ctx->len);\r ctx->block[ctx->len] = 0x80;\r UNPACK32(len_b, ctx->block + pm_len - 4);\r SHA256Transform(ctx, ctx->block, block_nb);\r for (int i = 0 ; i < 8; i++)\r UNPACK32(ctx->h[i], &digest[i << 2]);\r }\r \r void SHA256(const char *src, char *dest, int len, const char* hxc, const unsigned int* key = NULL)\r {\r // Generate the hash\r unsigned char bytehash[SHA256_DIGEST_SIZE];\r SHA256Context ctx;\r SHA256Init(&ctx, key);\r SHA256Update(&ctx, (unsigned char *)src, (unsigned int)len);\r SHA256Final(&ctx, bytehash);\r // Convert it to hex\r for (int i = 0, j = 0; i < SHA256_DIGEST_SIZE; i++)\r {\r dest[j++] = hxc[bytehash[i] / 16];\r dest[j++] = hxc[bytehash[i] % 16];\r dest[j] = '\0';\r }\r }\r\r unsigned int* key;\r char* chars;\r\r public:\r\r ModuleSHA256(InspIRCd* Me) : Module(Me), key(NULL), chars(NULL)\r {\r ServerInstance->PublishInterface("HashRequest", this);\r }\r\r virtual ~ModuleSHA256()\r {\r ServerInstance->UnpublishInterface("HashRequest", this);\r }\r\r void Implements(char *List)\r {\r List[I_OnRequest] = 1;\r }\r\r virtual char* OnRequest(Request* request)\r {\r HashRequest* SHA = (HashRequest*)request;\r if (strcmp("KEY", request->GetId()) == 0)\r {\r this->key = (unsigned int*)SHA->GetKeyData();\r }\r else if (strcmp("HEX", request->GetId()) == 0)\r {\r this->chars = (char*)SHA->GetOutputs();\r }\r else if (strcmp("SUM", request->GetId()) == 0)\r {\r static char data[MAXBUF];\r SHA256((const char*)SHA->GetHashData(), data, strlen(SHA->GetHashData()), chars ? chars : "0123456789abcdef", key);\r return data;\r }\r else if (strcmp("NAME", request->GetId()) == 0)\r {\r return "sha256";\r }\r else if (strcmp("RESET", request->GetId()) == 0)\r {\r this->chars = NULL;\r this->key = NULL;\r }\r return NULL;\r }\r\r virtual Version GetVersion()\r {\r return Version(1, 1, 0, 1, VF_VENDOR|VF_SERVICEPROVIDER, API_VERSION);\r }\r};\r\rMODULE_INIT(ModuleSHA256)\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * 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 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/>.
+ */
+
+/// $CompilerFlags: -Ivendor_directory("sha2")
+/// $CompilerFlags: require_compiler("GCC") -Wno-long-long
+
+#ifdef __GNUC__
+# pragma GCC diagnostic push
+#endif
+
+// Fix warnings about the use of `long long` on C++03.
+#if defined __clang__
+# pragma clang diagnostic ignored "-Wc++11-long-long"
+#elif defined __GNUC__
+# pragma GCC diagnostic ignored "-Wlong-long"
+#endif
+
+#include "inspircd.h"
+#include "modules/hash.h"
+
+#include <sha2.c>
+
+#ifdef __GNUC__
+# pragma GCC diagnostic pop
+#endif
+
+class HashSHA256 : public HashProvider
+{
+ public:
+ std::string GenerateRaw(const std::string& data) CXX11_OVERRIDE
+ {
+ unsigned char bytes[SHA256_DIGEST_SIZE];
+ sha256((unsigned char*)data.data(), data.length(), bytes);
+ return std::string((char*)bytes, SHA256_DIGEST_SIZE);
+ }
+
+ HashSHA256(Module* parent)
+ : HashProvider(parent, "sha256", 32, 64)
+ {
+ }
+};
+
+class ModuleSHA256 : public Module
+{
+ HashSHA256 sha;
+ public:
+ ModuleSHA256() : sha(this)
+ {
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Implements SHA-256 hashing", VF_VENDOR);
+ }
+};
+
+MODULE_INIT(ModuleSHA256)