diff --git a/CMakeLists.txt b/CMakeLists.txt index f2ffc075a..c29d0de31 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -647,6 +647,7 @@ SET(FTE_COMMON_FILES engine/common/log.c engine/common/mathlib.c engine/common/md4.c + engine/common/md5.c engine/common/net_chan.c engine/common/net_ice.c engine/common/net_wins.c diff --git a/engine/Makefile b/engine/Makefile index 5e358fd64..9466f7686 100644 --- a/engine/Makefile +++ b/engine/Makefile @@ -932,6 +932,7 @@ COMMON_OBJS = \ mathlib.o \ huff.o \ md4.o \ + md5.o \ sha1.o \ sha2.o \ log.o \ diff --git a/engine/common/common.h b/engine/common/common.h index f559a8348..413f7a112 100644 --- a/engine/common/common.h +++ b/engine/common/common.h @@ -973,6 +973,7 @@ typedef struct void (*terminate) (unsigned char *digest, void *context); } hashfunc_t; extern hashfunc_t hash_md4; //required for vanilla qw mapchecks +extern hashfunc_t hash_md5; //required for turn/etc extern hashfunc_t hash_sha1; //required for websockets, and ezquake's crypted rcon extern hashfunc_t hash_sha2_224; extern hashfunc_t hash_sha2_256; //required for webrtc diff --git a/engine/common/fs.c b/engine/common/fs.c index eba93abd8..68b59d1b9 100644 --- a/engine/common/fs.c +++ b/engine/common/fs.c @@ -67,7 +67,7 @@ static char *vidfilenames[] = //list of filenames to check to see if graphics st #define HEX2CFG "//schemes hexen2\n" "set v_gammainverted 1\nset com_parseutf8 -1\nset gl_font gfx/hexen2\nset in_builtinkeymap 0\nset_calc cl_playerclass int (random * 5) + 1\nset cl_forwardspeed 200\nset cl_backspeed 200\ncl_sidespeed 225\nset sv_maxspeed 640\ncl_run 0\nset watervis 1\nset r_lavaalpha 1\nset r_lavastyle -2\nset r_wateralpha 0.5\nset sv_pupglow 1\ngl_shaftlight 0.5\nsv_mintic 0.05\nset r_meshpitch -1\nset r_meshroll -1\nr_sprite_backfacing 1\nset mod_warnmodels 0\nset cl_model_bobbing 1\nsv_sound_watersplash \"misc/hith2o.wav\"\nsv_sound_land \"fx/thngland.wav\"\nset sv_walkpitch 0\n" /*yay q2!*/ #define Q2CFG "//schemes quake2\n" "set v_gammainverted 1\nset com_parseutf8 0\ncom_gamedirnativecode 1\nset sv_bigcoords 0\nsv_port "STRINGIFY(PORT_Q2SERVER)" "STRINGIFY(PORT_Q2EXSERVER)"\ncl_defaultport "STRINGIFY(PORT_Q2SERVER)"\n" \ - "set r_replacemodels " IFMINIMAL("","md3 md5/md5mesh")"\n" \ + "set r_replacemodels " IFMINIMAL("","md3 md5mesh")"\n" \ "set r_glsl_emissive 0\n" /*work around the _glow textures not being meant to glow*/ /*Q3's ui doesn't like empty model/headmodel/handicap cvars, even if the gamecode copes*/ #define Q3CFG "//schemes quake3\n" "set v_gammainverted 0\nset snd_ignorecueloops 1\nsetfl g_gametype 0 s\nset gl_clear 1\nset r_clearcolour 0 0 0\nset com_parseutf8 0\ngl_overbright "FORWEB("0","2")"\nseta model sarge\nseta headmodel sarge\nseta handicap 100\ncom_gamedirnativecode 1\nsv_port "STRINGIFY(PORT_Q3SERVER)"\ncl_defaultport "STRINGIFY(PORT_Q3SERVER)"\ncom_protocolversion 68\n" @@ -1710,6 +1710,10 @@ static void COM_CalcHash_Thread(void *ctx, void *fname, size_t a, size_t b) } hashes[] = { // {"crc16", &hash_crc16}, +// {"md4", &hash_md4}, +#if defined(HAVE_SERVER) || defined(HAVE_CLIENT) + {"md5", &hash_md5}, +#endif {"sha1", &hash_sha1}, #if defined(HAVE_SERVER) || defined(HAVE_CLIENT) // {"sha224", &hash_sha2_224}, diff --git a/engine/common/md5.c b/engine/common/md5.c new file mode 100644 index 000000000..353dac5f4 --- /dev/null +++ b/engine/common/md5.c @@ -0,0 +1,292 @@ +/* md5.c - MD5 Message-Digest Algorithm + * Copyright (C) 1995,1996,1998,1999,2001,2002, + * 2003 Free Software Foundation, Inc. + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see . + * SPDX-License-Identifier: LGPL-2.1-or-later + * + * According to the definition of MD5 in RFC 1321 from April 1992. + * NOTE: This is *not* the same file as the one from glibc. + * Written by Ulrich Drepper , 1995. + * heavily modified for GnuPG by Werner Koch + further de-libgcrypted to make it a bit more standalone. + */ + +/* Test values: + * "" D4 1D 8C D9 8F 00 B2 04 E9 80 09 98 EC F8 42 7E + * "a" 0C C1 75 B9 C0 F1 B6 A8 31 C3 99 E2 69 77 26 61 + * "abc 90 01 50 98 3C D2 4F B0 D6 96 3F 7D 28 E1 7F 72 + * "message digest" F9 6B 69 7D 7C B7 93 8D 52 5A 2F 31 AA F1 61 D0 + */ + +#include "quakedef.h" + + +typedef struct { + unsigned char buf[64]; + qint32_t count; //count in the buffer + quint64_t totalbytes; + quint32_t A,B,C,D; /* chaining variables */ +} MD5_CONTEXT; + +static void +md5_init( void *context) +{ + MD5_CONTEXT *ctx = context; + + ctx->A = 0x67452301; + ctx->B = 0xefcdab89; + ctx->C = 0x98badcfe; + ctx->D = 0x10325476; + + ctx->totalbytes = 0; + ctx->count = 0; +} + + +/* These are the four functions used in the four steps of the MD5 algorithm + and defined in the RFC 1321. The first function is a little bit optimized + (as found in Colin Plumbs public domain implementation). */ +/* #define FF(b, c, d) ((b & c) | (~b & d)) */ +#define FF(b, c, d) (d ^ (b & (c ^ d))) +#define FG(b, c, d) FF (d, b, c) +#define FH(b, c, d) (b ^ c ^ d) +#define FI(b, c, d) (c ^ (b | ~d)) + +#define buf_put_le32(b,d) ((b)[0]=(d)&0xff, (b)[1]=((d)>>8)&0xff, (b)[2]=((d)>>16)&0xff, (b)[3]=((d)>>24)&0xff) +#define buf_get_le32(b) ((b)[0]|((b)[1]<<8)|((b)[2]<<16)|((b)[3]<<24)) +#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) + + +/**************** + * transform 64 bytes + */ +static void +md5_transform_blk ( void *c, const unsigned char *data ) +{ + MD5_CONTEXT *ctx = c; + quint32_t correct_words[16]; + register quint32_t A = ctx->A; + register quint32_t B = ctx->B; + register quint32_t C = ctx->C; + register quint32_t D = ctx->D; + quint32_t *cwp = correct_words; + int i; + + for ( i = 0; i < 16; i++ ) + correct_words[i] = buf_get_le32(data + i * 4); + + #define OP(a, b, c, d, s, T) \ + do \ + { \ + a += FF (b, c, d) + (*cwp++) + T; \ + a = rol(a, s); \ + a += b; \ + } while (0) + + /* Before we start, one word about the strange constants. + They are defined in RFC 1321 as + + T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64 + */ + + /* Round 1. */ + OP (A, B, C, D, 7, 0xd76aa478); + OP (D, A, B, C, 12, 0xe8c7b756); + OP (C, D, A, B, 17, 0x242070db); + OP (B, C, D, A, 22, 0xc1bdceee); + OP (A, B, C, D, 7, 0xf57c0faf); + OP (D, A, B, C, 12, 0x4787c62a); + OP (C, D, A, B, 17, 0xa8304613); + OP (B, C, D, A, 22, 0xfd469501); + OP (A, B, C, D, 7, 0x698098d8); + OP (D, A, B, C, 12, 0x8b44f7af); + OP (C, D, A, B, 17, 0xffff5bb1); + OP (B, C, D, A, 22, 0x895cd7be); + OP (A, B, C, D, 7, 0x6b901122); + OP (D, A, B, C, 12, 0xfd987193); + OP (C, D, A, B, 17, 0xa679438e); + OP (B, C, D, A, 22, 0x49b40821); + + #undef OP + #define OP(f, a, b, c, d, k, s, T) \ + do \ + { \ + a += f (b, c, d) + correct_words[k] + T; \ + a = rol(a, s); \ + a += b; \ + } while (0) + + /* Round 2. */ + OP (FG, A, B, C, D, 1, 5, 0xf61e2562); + OP (FG, D, A, B, C, 6, 9, 0xc040b340); + OP (FG, C, D, A, B, 11, 14, 0x265e5a51); + OP (FG, B, C, D, A, 0, 20, 0xe9b6c7aa); + OP (FG, A, B, C, D, 5, 5, 0xd62f105d); + OP (FG, D, A, B, C, 10, 9, 0x02441453); + OP (FG, C, D, A, B, 15, 14, 0xd8a1e681); + OP (FG, B, C, D, A, 4, 20, 0xe7d3fbc8); + OP (FG, A, B, C, D, 9, 5, 0x21e1cde6); + OP (FG, D, A, B, C, 14, 9, 0xc33707d6); + OP (FG, C, D, A, B, 3, 14, 0xf4d50d87); + OP (FG, B, C, D, A, 8, 20, 0x455a14ed); + OP (FG, A, B, C, D, 13, 5, 0xa9e3e905); + OP (FG, D, A, B, C, 2, 9, 0xfcefa3f8); + OP (FG, C, D, A, B, 7, 14, 0x676f02d9); + OP (FG, B, C, D, A, 12, 20, 0x8d2a4c8a); + + /* Round 3. */ + OP (FH, A, B, C, D, 5, 4, 0xfffa3942); + OP (FH, D, A, B, C, 8, 11, 0x8771f681); + OP (FH, C, D, A, B, 11, 16, 0x6d9d6122); + OP (FH, B, C, D, A, 14, 23, 0xfde5380c); + OP (FH, A, B, C, D, 1, 4, 0xa4beea44); + OP (FH, D, A, B, C, 4, 11, 0x4bdecfa9); + OP (FH, C, D, A, B, 7, 16, 0xf6bb4b60); + OP (FH, B, C, D, A, 10, 23, 0xbebfbc70); + OP (FH, A, B, C, D, 13, 4, 0x289b7ec6); + OP (FH, D, A, B, C, 0, 11, 0xeaa127fa); + OP (FH, C, D, A, B, 3, 16, 0xd4ef3085); + OP (FH, B, C, D, A, 6, 23, 0x04881d05); + OP (FH, A, B, C, D, 9, 4, 0xd9d4d039); + OP (FH, D, A, B, C, 12, 11, 0xe6db99e5); + OP (FH, C, D, A, B, 15, 16, 0x1fa27cf8); + OP (FH, B, C, D, A, 2, 23, 0xc4ac5665); + + /* Round 4. */ + OP (FI, A, B, C, D, 0, 6, 0xf4292244); + OP (FI, D, A, B, C, 7, 10, 0x432aff97); + OP (FI, C, D, A, B, 14, 15, 0xab9423a7); + OP (FI, B, C, D, A, 5, 21, 0xfc93a039); + OP (FI, A, B, C, D, 12, 6, 0x655b59c3); + OP (FI, D, A, B, C, 3, 10, 0x8f0ccc92); + OP (FI, C, D, A, B, 10, 15, 0xffeff47d); + OP (FI, B, C, D, A, 1, 21, 0x85845dd1); + OP (FI, A, B, C, D, 8, 6, 0x6fa87e4f); + OP (FI, D, A, B, C, 15, 10, 0xfe2ce6e0); + OP (FI, C, D, A, B, 6, 15, 0xa3014314); + OP (FI, B, C, D, A, 13, 21, 0x4e0811a1); + OP (FI, A, B, C, D, 4, 6, 0xf7537e82); + OP (FI, D, A, B, C, 11, 10, 0xbd3af235); + OP (FI, C, D, A, B, 2, 15, 0x2ad7d2bb); + OP (FI, B, C, D, A, 9, 21, 0xeb86d391); + + /* Put checksum in context given as argument. */ + ctx->A += A; + ctx->B += B; + ctx->C += C; + ctx->D += D; +} + +static void md5_update(void *ctx, const void *in, size_t sz) +{ + MD5_CONTEXT *hd = ctx; + hd->totalbytes += sz; //need this for later. + if (hd->count) + { //pack any extra data into our temp buffer, if we've already got data there. + size_t pre = sizeof(hd->buf) - hd->count; + if (pre > sz) + pre = sz; + memcpy(hd->buf + hd->count, in, sz); + sz -= pre; + in = (const qbyte*)in + pre; + } + if (hd->count == sizeof(hd->buf)) + { //if we filled it then process it. + md5_transform_blk(ctx, hd->buf); + hd->count = 0; + } + while (sz >= sizeof(hd->buf)) + { //and process the bulk of it. + md5_transform_blk(ctx, in); + sz -= sizeof(hd->buf); + in = (const qbyte*)in + sizeof(hd->buf); + } + //save off any extra data. + memcpy(hd->buf, in, sz); + hd->count = sz; +} + +/* The routine final terminates the message-digest computation and + * ends with the desired message digest in mdContext->digest[0...15]. + * The handle is prepared for a new MD5 cycle. + * Returns 16 bytes representing the digest. + */ + +static void +md5_final(qbyte *digest, void *context) +{ + MD5_CONTEXT *hd = context; + qbyte *p; + quint64_t origbigcount = hd->totalbytes<<3; + + hd->buf[hd->count++] = 0x80; //pad the data with a 1 (md5_update keeps at least one byte of the buffer free). + if (hd->count > 56) + { //not enough space to fix the total count. fill with 0s. + if (hd->count < sizeof(hd->buf)) + hd->buf[hd->count++] = 0; //pad any remaining + md5_transform_blk(context, hd->buf); + hd->count = 0; + } + while(hd->count < 56) //we need to fill the entire thing, pretty much + hd->buf[hd->count++] = 0; //pad any remaining + + buf_put_le32(hd->buf + 56, (origbigcount)); + buf_put_le32(hd->buf + 60, (origbigcount>>32)); + md5_transform_blk(context, hd->buf); + + p = digest; + #define X(a) do { buf_put_le32(p, hd->a); p += 4; } while(0) + X(A); + X(B); + X(C); + X(D); + #undef X + + memset(hd->buf, 0, sizeof(hd->buf)); + hd->count = 0; +} + +hashfunc_t hash_md5 = +{ + 16, + sizeof(MD5_CONTEXT), + md5_init, + md5_update, + md5_final, +}; + +/* +__attribute__((constructor)) void md5_unit_test(void) +{ + qbyte digest[16]; + + CalcHash(&hash_md5, digest, sizeof(digest), "", 0); + if (memcmp(digest, "\xD4\x1D\x8C\xD9\x8F\x00\xB2\x04" "\xE9\x80\x09\x98\xEC\xF8\x42\x7E", 16)) + printf("fail\n"); + + CalcHash(&hash_md5, digest, sizeof(digest), "a", 1); + if (memcmp(digest, "\x0C\xC1\x75\xB9\xC0\xF1\xB6\xA8" "\x31\xC3\x99\xE2\x69\x77\x26\x61", 16)) + printf("fail\n"); + + CalcHash(&hash_md5, digest, sizeof(digest), "abc", 3); + if (memcmp(digest, "\x90\x01\x50\x98\x3C\xD2\x4F\xB0" "\xD6\x96\x3F\x7D\x28\xE1\x7F\x72", 16)) + printf("fail\n"); + + CalcHash(&hash_md5, digest, sizeof(digest), "message digest", 14); + if (memcmp(digest, "\xF9\x6B\x69\x7D\x7C\xB7\x93\x8D" "\x52\x5A\x2F\x31\xAA\xF1\x61\xD0", 16)) + printf("fail\n"); + }*/ diff --git a/engine/common/net_ice.c b/engine/common/net_ice.c index 2d45e4421..9caee2f52 100644 --- a/engine/common/net_ice.c +++ b/engine/common/net_ice.c @@ -502,8 +502,6 @@ static qboolean TURN_AddXorAddressAttrib(sizebuf_t *buf, unsigned int attr, neta MSG_WriteByte(buf, ((qbyte*)&to->address)[aofs+i] ^ (buf->data+4)[i]); return true; } -#define FTEENGINE -#include "../../plugins/emailnot/md5.c" static qboolean TURN_AddAuth(sizebuf_t *buf, struct iceserver_s *srv) { //adds auth info to a stun packet unsigned short len; @@ -538,7 +536,7 @@ static qboolean TURN_AddAuth(sizebuf_t *buf, struct iceserver_s *srv) //but the hash is to the start of the attribute's header { //long-term credentials do stuff weird. char *tmpkey = va("%s:%s:%s", srv->user, srv->realm, srv->auth); - MD5_ToBinary(tmpkey, strlen(tmpkey), integrity, 16); + CalcHash(&hash_md5, integrity,16, tmpkey, strlen(tmpkey)); } CalcHMAC(&hash_sha1, integrity, sizeof(integrity), buf->data, buf->cursize, integrity,16); MSG_WriteShort(buf, BigShort(STUNATTR_MESSAGEINTEGRITIY)); diff --git a/engine/common/pr_bgcmd.c b/engine/common/pr_bgcmd.c index 706f3481d..d6719439e 100644 --- a/engine/common/pr_bgcmd.c +++ b/engine/common/pr_bgcmd.c @@ -5725,9 +5725,12 @@ static void QCBUILTIN PF_digest_internal (pubprogfuncs_t *prinst, struct globalv unsigned char digest[64]; unsigned char hexdig[sizeof(digest)*2+1]; - if (!strcmp(hashtype, "MD4")) + if (0) + ; + else if (!strcmp(hashtype, "MD4")) digestsize = CalcHash(&hash_md4, digest, sizeof(digest), str, len); - //md5? + else if (!strcmp(hashtype, "MD5")) + digestsize = CalcHash(&hash_md5, digest, sizeof(digest), str, len); else if (!strcmp(hashtype, "SHA1")) digestsize = CalcHash(&hash_sha1, digest, sizeof(digest), str, len); else if (!strcmp(hashtype, "SHA2-224") || !strcmp(hashtype, "SHA224"))