/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2008 by Maurus Cuelenaere * * Based on zenutils by Rasmus Ry * * This program 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; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include #include #include #include #include #include #include #include #include "hmac-sha1.h" static int filesize(FILE* fd) { int tmp, tmp2 = ftell(fd); fseek(fd, 0, SEEK_END); tmp = ftell(fd); fseek(fd, tmp2, SEEK_SET); return tmp; } static unsigned int le2int(unsigned char* buf) { return ((buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]); } static void int2le(unsigned int val, unsigned char* addr) { addr[0] = val & 0xFF; addr[1] = (val >> 8) & 0xff; addr[2] = (val >> 16) & 0xff; addr[3] = (val >> 24) & 0xff; } static const char* find_firmware_key(const unsigned char* buffer, size_t len) { char szkey1[] = "34d1"; size_t cchkey1 = strlen(szkey1); char szkey2[] = "TbnCboEbn"; size_t cchkey2 = strlen(szkey2); uint32_t i; for (i = 0; i < (uint32_t)len; i++) { if (len >= cchkey1) { if (!strncmp((char*)&buffer[i], szkey1, cchkey1)) return (const char*)&buffer[i]; } if (len >= cchkey2) { if (!strncmp((char*)&buffer[i], szkey2, cchkey2)) return (const char*)&buffer[i]; } } return NULL; } static uint32_t find_firmware_offset(unsigned char* buffer, size_t len) { uint32_t i; for (i = 0; i < (uint32_t)len; i += 0x10) { if (buffer[i + sizeof(uint32_t)] != 0 && buffer[i + sizeof(uint32_t) + 1] != 0 && buffer[i + sizeof(uint32_t) + 2] != 0 && buffer[i + sizeof(uint32_t) + 3] != 0) { return i; } if(i > 0xFF) /* Arbitrary guess */ return 0; } return 0; } static bool crypt_firmware(const char* key, unsigned char* buffer, size_t len) { char key_cpy[255]; unsigned int i; unsigned int tmp = 0; int key_length = strlen(key); strcpy(key_cpy, key); for(i=0; i < strlen(key); i++) key_cpy[i] = key[i] - 1; for(i=0; i < len; i++) { buffer[i] ^= key_cpy[tmp] | 0x80; tmp = (tmp + 1) % key_length; } return true; } static bool inflate_to_buffer(const unsigned char *buffer, size_t len, unsigned char* out_buffer, size_t out_len, char** err_msg) { /* Initialize Zlib */ z_stream d_stream; int ret; d_stream.zalloc = Z_NULL; d_stream.zfree = Z_NULL; d_stream.opaque = Z_NULL; d_stream.next_in = (unsigned char*)buffer; d_stream.avail_in = len; ret = inflateInit(&d_stream); if (ret != Z_OK) { *err_msg = d_stream.msg; return false; } d_stream.next_out = out_buffer; d_stream.avail_out = out_len; ret = inflate(&d_stream, Z_SYNC_FLUSH); if(ret < 0) { *err_msg = d_stream.msg; return false; } else inflateEnd(&d_stream); return true; } #define CODE_MASK 0xC0 #define ARGS_MASK 0x3F #define REPEAT_CODE 0x00 #define BLOCK_CODE 0x40 #define LONG_RUN_CODE 0x80 #define SHORT_RUN_CODE 0xC0 #define BLOCK_ARGS 0x1F #define BLOCK_MODE 0x20 static void decode_run(unsigned char* dst, uint16_t len, unsigned char val, int* dstidx) { memset(dst + *dstidx, val, len); *dstidx += len; } static void decode_pattern(unsigned char* src, unsigned char* dst, uint16_t len, int* srcidx, int* dstidx, bool bdecode, int npasses) { int i, j; for (i = 0; i < npasses; i++) { if (bdecode) { for (j = 0; j < len; j++) { uint16_t c, d; c = src[*srcidx + j]; d = (c >> 5) & 7; c = (c << 3) & 0xF8; src[*srcidx + j] = (unsigned char)(c | d); } bdecode = false; } memcpy(dst + *dstidx, src + *srcidx, len); *dstidx += len; } *srcidx += len; } static int cenc_decode(unsigned char* src, int srclen, unsigned char* dst, int dstlen) { int i = 0, j = 0; do { uint16_t c, d, e; c = src[i++]; switch (c & CODE_MASK) { case REPEAT_CODE: /* 2 unsigned chars */ d = src[i++]; d = d + 2; e = (c & ARGS_MASK) + 2; decode_pattern(src, dst, e, &i, &j, false, d); break; case BLOCK_CODE: /* 1/2/3 unsigned chars */ d = c & BLOCK_ARGS; if (!(c & BLOCK_MODE)) { e = src[i++]; e = (d << 8) + (e + 0x21); d = (uint16_t)(i ^ j); } else { e = d + 1; d = (uint16_t)(i ^ j); } if (d & 1) { i++; } decode_pattern(src, dst, e, &i, &j, true, 1); break; case LONG_RUN_CODE: /* 3 unsigned chars */ d = src[i++]; e = ((c & ARGS_MASK) << 8) + (d + 0x42); d = src[i++]; d = ((d & 7) << 5) | ((d >> 3) & 0x1F); decode_run(dst, e, (unsigned char)(d), &j); break; case SHORT_RUN_CODE: /* 2 unsigned chars */ d = src[i++]; d = ((d & 3) << 6) | ((d >> 2) & 0x3F); e = (c & ARGS_MASK) + 2; decode_run(dst, e, (unsigned char)(d), &j); break; }; } while (i < srclen && j < dstlen); return j; } /* * Copyright (c) 1999, 2000, 2002 Virtual Unlimited B.V. * * This library 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. * * This library 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 library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #define BLOWFISHROUNDS 16 #define BLOWFISHPSIZE (BLOWFISHROUNDS+2) #define WORDS_BIGENDIAN 0 struct blowfishParam { uint32_t p[BLOWFISHPSIZE]; uint32_t s[1024]; uint32_t fdback[2]; }; typedef enum { NOCRYPT, ENCRYPT, DECRYPT } cipherOperation; static inline uint32_t swapu32(uint32_t n) { return ( ((n & 0xffU) << 24) | ((n & 0xff00U) << 8) | ((n & 0xff0000U) >> 8) | ((n & 0xff000000U) >> 24) ); } static uint32_t _bf_p[BLOWFISHPSIZE] = { 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b }; static uint32_t _bf_s[1024] = { 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a, 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7, 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0, 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6 }; #define EROUND(l,r) l ^= *(p++); r ^= ((s[((l>>24)&0xff)+0x000]+s[((l>>16)&0xff)+0x100])^s[((l>>8)&0xff)+0x200])+s[((l>>0)&0xff)+0x300] #define DROUND(l,r) l ^= *(p--); r ^= ((s[((l>>24)&0xff)+0x000]+s[((l>>16)&0xff)+0x100])^s[((l>>8)&0xff)+0x200])+s[((l>>0)&0xff)+0x300] static int blowfishEncrypt(struct blowfishParam* bp, uint32_t* dst, const uint32_t* src) { #if WORDS_BIGENDIAN register uint32_t xl = src[0], xr = src[1]; #else register uint32_t xl = swapu32(src[0]), xr = swapu32(src[1]); #endif register uint32_t* p = bp->p; register uint32_t* s = bp->s; EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); EROUND(xl, xr); EROUND(xr, xl); #if WORDS_BIGENDIAN dst[1] = xl ^ *(p++); dst[0] = xr ^ *(p++); #else dst[1] = swapu32(xl ^ *(p++)); dst[0] = swapu32(xr ^ *(p++)); #endif return 0; } static int blowfishDecrypt(struct blowfishParam* bp, uint32_t* dst, const uint32_t* src) { #if WORDS_BIGENDIAN register uint32_t xl = src[0], xr = src[1]; #else register uint32_t xl = swapu32(src[0]), xr = swapu32(src[1]); #endif register uint32_t* p = bp->p+BLOWFISHPSIZE-1; register uint32_t* s = bp->s; DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); DROUND(xl, xr); DROUND(xr, xl); #if WORDS_BIGENDIAN dst[1] = xl ^ *(p--); dst[0] = xr ^ *(p--); #else dst[1] = swapu32(xl ^ *(p--)); dst[0] = swapu32(xr ^ *(p--)); #endif return 0; } static int blowfishSetup(struct blowfishParam* bp, const unsigned char* key, size_t keybits, cipherOperation op) { if ((op != ENCRYPT) && (op != DECRYPT)) return -1; if (((keybits & 7) == 0) && (keybits >= 32) && (keybits <= 448)) { register uint32_t* p = bp->p; register uint32_t* s = bp->s; register unsigned int i, j, k; uint32_t tmp, work[2]; memcpy(s, _bf_s, 1024 * sizeof(uint32_t)); for (i = 0, k = 0; i < BLOWFISHPSIZE; i++) { tmp = 0; for (j = 0; j < 4; j++) { tmp <<= 8; tmp |= key[k++]; if (k >= (keybits >> 3)) k = 0; } p[i] = _bf_p[i] ^ tmp; } work[0] = work[1] = 0; for (i = 0; i < BLOWFISHPSIZE; i += 2, p += 2) { blowfishEncrypt(bp, work, work); #if WORDS_BIGENDIAN p[0] = work[0]; p[1] = work[1]; #else p[0] = swapu32(work[0]); p[1] = swapu32(work[1]); #endif } for (i = 0; i < 1024; i += 2, s += 2) { blowfishEncrypt(bp, work, work); #if WORDS_BIGENDIAN s[0] = work[0]; s[1] = work[1]; #else s[0] = swapu32(work[0]); s[1] = swapu32(work[1]); #endif } /* clear fdback/iv */ bp->fdback[0] = 0; bp->fdback[1] = 0; return 0; } return -1; } static int blowfishSetIV(struct blowfishParam* bp, const unsigned char* iv) { if (iv) memcpy(bp->fdback, iv, 8); else memset(bp->fdback, 0, 8); return 0; } #define BLOWFISH_BLOCKSIZE 8 static int blowfishDecryptCBC(struct blowfishParam* bp, uint32_t* dst, const uint32_t* src, unsigned int nblocks) { register const unsigned int blockwords = BLOWFISH_BLOCKSIZE >> 2; register uint32_t* fdback = bp->fdback; register uint32_t* buf = (uint32_t*) malloc(blockwords * sizeof(uint32_t)); if (buf) { while (nblocks > 0) { register uint32_t tmp; register unsigned int i; blowfishDecrypt(bp, buf, src); for (i = 0; i < blockwords; i++) { tmp = src[i]; dst[i] = buf[i] ^ fdback[i]; fdback[i] = tmp; } dst += blockwords; src += blockwords; nblocks--; } free(buf); return 0; } return -1; } static bool bf_cbc_decrypt(const unsigned char* key, size_t keylen, unsigned char* data, size_t datalen, const unsigned char* iv) { struct blowfishParam param; unsigned char *cipher; unsigned int nblocks; if (datalen % BLOWFISH_BLOCKSIZE) return false; if (blowfishSetup(¶m, key, keylen * 8, ENCRYPT)) return false; if (blowfishSetIV(¶m, iv)) return false; cipher = malloc(datalen); memcpy(cipher, data, datalen); nblocks = datalen / BLOWFISH_BLOCKSIZE; if (blowfishDecryptCBC(¶m, (uint32_t*)data, (uint32_t*)cipher, nblocks)) { free(cipher); return false; } free(cipher); return true; } static inline uint32_t swap(uint32_t val) { return ((val & 0xFF) << 24) | ((val & 0xFF00) << 8) | ((val & 0xFF0000) >> 8) | ((val & 0xFF000000) >> 24); } static const char null_key_v1[] = "CTL:N0MAD|PDE0.SIGN."; static const char null_key_v2[] = "CTL:N0MAD|PDE0.DPMP."; static const char null_key_v3[] = "CTL:N0MAD|PDE0.DPFP."; static const char null_key_v4[] = "CTL:Z3N07|PDE0.DPMP."; static const char tl_zvm_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Vision:M"; static const char tl_zvm60_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Vision:M (D" "VP-HD0004)"; static const char tl_zen_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN"; static const char tl_zenxf_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN X-Fi"; static const char tl_zenmo_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN Mozaic"; static const char tl_zv_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Vision"; static const char tl_zvw_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN Vision W"; static const char tl_zm_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Micro"; static const char tl_zmp_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen MicroPhoto"; static const char tl_zs_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Sleek"; static const char tl_zsp_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Sleek Photo"; static const char tl_zt_key[] = "1sN0TM3D az u~may th1nk*" "Creative Zen Touch"; static const char tl_zx_key[] = "1sN0TM3D az u~may th1nk*" "NOMAD Jukebox Zen Xtra"; static const char tl_zenv_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN V"; static const char tl_zenvp_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN V Plus"; static const char tl_zenvv_key[] = "1sN0TM3D az u~may th1nk*" "Creative ZEN V (Video)"; struct player_info_t { const char* name; const char* null_key; /* HMAC-SHA1 key */ const char* tl_key; /* BlowFish key */ bool big_endian; }; static struct player_info_t players[] = { {"Zen Vision:M", null_key_v2, tl_zvm_key, false}, {"Zen Vision:M 60GB", null_key_v2, tl_zvm60_key, false}, {"ZEN", null_key_v4, tl_zen_key, false}, {"ZEN X-Fi", null_key_v4, tl_zenxf_key, false}, {"ZEN Mozaic", null_key_v4, tl_zenmo_key, false}, {"Zen Vision", null_key_v2, tl_zv_key, false}, {"Zen Vision W", null_key_v2, tl_zvw_key, false}, {"Zen Micro", null_key_v1, tl_zm_key, true}, {"Zen MicroPhoto", null_key_v1, tl_zmp_key, true}, {"Zen Sleek", null_key_v1, tl_zs_key, true}, {"Zen SleekPhoto", null_key_v1, tl_zsp_key, true}, {"Zen Touch", null_key_v1, tl_zt_key, true}, {"Zen Xtra", null_key_v1, tl_zx_key, true}, {"Zen V", null_key_v3, tl_zenv_key, false}, {"Zen V Plus", null_key_v3, tl_zenvp_key, false}, {"Zen V Video", null_key_v3, tl_zenvv_key, false}, {NULL, NULL, NULL, false} }; void log_message(const char* format, ...); int mkboot(const char* infile, const char* bootfile, const char* outfile, struct player_info_t *player) { FILE *infd, *bootfd, *outfd; unsigned char *buffer, *out_buffer, enc_data[40], hash_key[20]; char *err_msg; const char *fw_key; uint32_t i, fw_offset, fw_size, data_ptr, data_size, ciff_size, cenc_size, iv[2]; /* TODO */ if(player->big_endian) { log_message("[ERR] Big-endian players are currently unsupported\n"); return -255; } infd = fopen(infile, "rb"); if(infd == NULL) { log_message("[ERR] Could not open %s\n", infile); return -1; } buffer = malloc(filesize(infd)); if(buffer == NULL) { log_message("[ERR] Could not allocate %d unsigned chars\n", filesize(infd)); fclose(infd); return -2; } if(fread(buffer, filesize(infd), 1, infd) != 1) { log_message("[ERR] Short read\n"); fclose(infd); free(buffer); return -3; } /* Rudimentary Win32 PE reading */ if(memcmp(&buffer[0], "MZ", 2) != 0 && memcmp(&buffer[0x118], "PE", 2) != 0) { log_message("[ERR] Input file isn't an executable\n"); fclose(infd); free(buffer); return -4; } data_ptr = 0, data_size = 0; for(i=0x210; i < 0x1000; i+=0x28) { if(strcmp((char*)&buffer[i], ".data") == 0) { data_ptr = le2int(&buffer[i+0x14]); data_size = le2int(&buffer[i+0x10]); break; } } if(data_ptr == 0 || data_size == 0) { log_message("[ERR] Couldn't find .data section\n"); fclose(infd); free(buffer); return -5; } log_message("[INFO] .data section is at 0x%x with size 0x%x\n", data_ptr, data_size); fw_offset = find_firmware_offset(&buffer[data_ptr], data_size); if(fw_offset == 0) { log_message("[ERR] Couldn't find firmware offset\n"); fclose(infd); free(buffer); return -6; } fw_size = le2int(&buffer[data_ptr+fw_offset]); log_message("[INFO] Firmware offset is at 0x%x with size 0x%x\n", data_ptr+fw_offset, fw_size); fw_key = find_firmware_key(&buffer[0], filesize(infd)); fclose(infd); if(fw_key == NULL) { log_message("[ERR] Couldn't find firmware key\n"); free(buffer); return -7; } log_message("[INFO] Firmware key is %s\n", fw_key); log_message("[INFO] Descrambling firmware... "); if(!crypt_firmware(fw_key, &buffer[data_ptr+fw_offset+4], fw_size)) { log_message("Fail!\n"); free(buffer); return -8; } else log_message("Done!\n"); out_buffer = malloc(fw_size*2); if(out_buffer == NULL) { log_message("[ERR] Couldn't allocate %d unsigned chars", fw_size*2); free(buffer); return -9; } memset(out_buffer, 0, fw_size*2); err_msg = NULL; log_message("[INFO] Decompressing firmware... "); if(!inflate_to_buffer(&buffer[data_ptr+fw_offset+4], fw_size, out_buffer, fw_size*2, &err_msg)) { log_message("Fail!\n[ERR] ZLib error: %s\n", err_msg); free(buffer); free(out_buffer); return -10; } else { log_message("Done!\n"); free(buffer); } if(memcmp(out_buffer, "FFIC", 4) != 0) { log_message("[ERR] CIFF header doesn't match\n"); free(out_buffer); return -11; } ciff_size = le2int(&out_buffer[4])+8+28; /* CIFF block + NULL block*/ bootfd = fopen(bootfile, "rb"); if(bootfd == NULL) { log_message("[ERR] Could not open %s\n", bootfile); free(out_buffer); return -12; } out_buffer = realloc(out_buffer, ciff_size+filesize(bootfd)); if(out_buffer == NULL) { log_message("[ERR] Cannot allocate %d unsigned chars\n", ciff_size+40+filesize(bootfd)); fclose(bootfd); return -13; } log_message("[INFO] Locating encoded block... "); i = 8; while(memcmp(&out_buffer[i], " LT\xA9", 4) != 0 && i < ciff_size) /* " LT©" */ { if(memcmp(&out_buffer[i], "FNIC", 4) == 0) i += 4+4+96; else if(memcmp(&out_buffer[i], "ATAD", 4) == 0) { i += 4; i += le2int(&out_buffer[i]); i += 4; } else { log_message("Fail!\n[ERR] Unknown block\n"); fclose(bootfd); free(out_buffer); return -14; } } if(i > ciff_size || memcmp(&out_buffer[i], " LT\xA9", 4) != 0) /* " LT©" */ { log_message("Fail!\n[ERR] Couldn't find encoded block\n"); fclose(bootfd); free(out_buffer); return -15; } log_message("Done!\n"); outfd = fopen(outfile, "wb+"); if(outfd == NULL) { log_message("[ERR] Could not open %s\n", outfile); fclose(bootfd); free(out_buffer); return -16; } if(fwrite(&out_buffer[0], i, 1, outfd) != 1) { log_message("[ERR] Short write\n"); fclose(bootfd); fclose(outfd); free(out_buffer); return -17; } log_message("[INFO] Decrypting encoded block... "); iv[0] = 0; iv[1] = swap(le2int(&out_buffer[i+4])); if(bf_cbc_decrypt((unsigned char*)player->tl_key, strlen(player->tl_key)+1, &out_buffer[i+8], le2int(&out_buffer[i+4]), (const unsigned char*)&iv) == false) { log_message("Fail!\n[ERR] Couldn't decrypt encoded block\n"); fclose(bootfd); fclose(outfd); free(out_buffer); return -18; } log_message("Done!\n"); cenc_size = le2int(&out_buffer[i+8]); if(cenc_size > le2int(&out_buffer[i+4])*3) { log_message("[ERR] Decrypted length of encoded block is unexpectedly large: 0x%08x\n", cenc_size); fclose(bootfd); fclose(outfd); free(out_buffer); return -19; } buffer = malloc(cenc_size); if(buffer == NULL) { log_message("[ERR] Couldn't allocate %d unsigned chars\n", cenc_size); fclose(bootfd); fclose(outfd); free(out_buffer); return -20; } memset(buffer, 0, cenc_size); log_message("[INFO] Decompressing encoded block... "); if(!cenc_decode(&out_buffer[i+12], le2int(&out_buffer[i+4])-4, &buffer[0], cenc_size)) { log_message("Fail!\n[ERR] Couldn't decompress the encoded block\n"); fclose(bootfd); fclose(outfd); free(out_buffer); free(buffer); return -21; } log_message("Done!\n"); log_message("[INFO] Renaming encoded block to Hcreativeos.jrm... "); memcpy(&enc_data, "ATAD", 4); int2le(cenc_size+32, &enc_data[4]); memset(&enc_data[8], 0, 32); memcpy(&enc_data[8], "H\0c\0r\0e\0a\0t\0i\0v\0e\0o\0s\0.\0j\0r\0m", 30); if(fwrite(enc_data, 40, 1, outfd) != 1) { log_message("Fail!\n[ERR] Short write\n"); fclose(bootfd); fclose(outfd); free(out_buffer); free(buffer); return -22; } if(fwrite(&buffer[0], cenc_size, 1, outfd) != 1) { log_message("Fail!\n[ERR] Short write\n"); fclose(bootfd); fclose(outfd); free(out_buffer); free(buffer); return -23; } free(buffer); log_message("Done!\n[INFO] Adding Hjukebox2.jrm... "); memcpy(&enc_data, "ATAD", 4); int2le(filesize(bootfd)+32, &enc_data[4]); memset(&enc_data[8], 0, 32); memcpy(&enc_data[8], "H\0j\0u\0k\0e\0b\0o\0x\0""2\0.\0j\0r\0m", 26); if(fwrite(enc_data, 40, 1, outfd) != 1) { log_message("Fail!\n[ERR] Short write\n"); fclose(bootfd); fclose(outfd); free(out_buffer); return -24; } if(fread(&out_buffer[ciff_size], filesize(bootfd), 1, bootfd) != 1) { log_message("Fail!\n[ERR] Short read\n"); fclose(bootfd); fclose(outfd); free(out_buffer); return -25; } if(memcmp(&out_buffer[ciff_size], "EDOC", 4) != 0) { log_message("Fail!\n[ERR] Faulty bootloader\n"); free(out_buffer); fclose(bootfd); fclose(outfd); return -26; } if(fwrite(&out_buffer[ciff_size], filesize(bootfd), 1, outfd) != 1) { log_message("Fail!\n[ERR] Short write\n"); fclose(bootfd); fclose(outfd); free(out_buffer); return -27; } fclose(bootfd); log_message("Done!\n"); if(fwrite(&out_buffer[i+8+le2int(&out_buffer[i+4])], ciff_size-i-8-le2int(&out_buffer[i+4]), 1, outfd) != 1) { log_message("[ERR] Short write\n"); fclose(outfd); free(out_buffer); return -28; } fseek(outfd, 4, SEEK_SET); int2le(filesize(outfd)-8-28, enc_data); if(fwrite(enc_data, 4, 1, outfd) != 1) { log_message("[ERR] Short write\n"); fclose(outfd); free(out_buffer); return -29; } free(out_buffer); fflush(outfd); log_message("[INFO] Updating checksum... "); buffer = malloc(filesize(outfd)-28); if(buffer == NULL) { log_message("Fail!\n[ERR] Couldn't allocate %d unsigned chars\n", filesize(outfd)-28); fclose(outfd); return -30; } fseek(outfd, 0, SEEK_SET); if(fread(buffer, filesize(outfd)-28, 1, outfd) != 1) { log_message("Fail!\n[ERR] Short read\n"); fclose(outfd); free(buffer); return -31; } hmac_sha1((unsigned char*)player->null_key, strlen(player->null_key), &buffer[0], filesize(outfd)-28, &hash_key); fseek(outfd, filesize(outfd)-20, SEEK_SET); if(fwrite(hash_key, 20, 1, outfd) != 1) { log_message("Fail!\n[ERR] Short write\n"); fclose(outfd); free(buffer); return -32; } fclose(outfd); log_message("Done!\n"); return 0; } #ifdef STANDALONE static void usage(void) { int i; fprintf(stdout, "Usage: mkzenboot \n"); fprintf(stdout, "Players:\n"); for (i = 0; players[i].name != NULL; i++) fprintf(stdout, " * \"%s\"\n", players[i].name); exit(1); } void log_message(const char* format, ...) { va_list ap; va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap); } int main(int argc, char *argv[]) { char *infile, *bootfile, *outfile; int i; struct player_info_t *player = NULL; if(argc < 5) usage(); infile = argv[1]; bootfile = argv[2]; outfile = argv[3]; for (i = 0; players[i].name != NULL; i++) { if(!strcasecmp(players[i].name, argv[4])) player = &players[i]; } if(player == NULL) { fprintf(stderr, "[ERR] %s isn't listed as a player!\n", argv[4]); exit(1); } return mkboot(infile, bootfile, outfile, player); } #endif