From: juhosg Date: Wed, 4 Feb 2009 21:09:06 +0000 (+0000) Subject: [tools] firmware-utils/mkplanexfw: new firmware generation tool for the Planex MZK... X-Git-Url: https://git.rohieb.name/openwrt.git/commitdiff_plain/15bb59764550087c442026f9aa3829c79881c249?hp=a12b3a8c6e4e7566ac2fc55b734d732accfb72f8 [tools] firmware-utils/mkplanexfw: new firmware generation tool for the Planex MZK-W04NU device git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14410 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile index 70f9e828a..e2b6cf4d9 100644 --- a/tools/firmware-utils/Makefile +++ b/tools/firmware-utils/Makefile @@ -14,6 +14,10 @@ define cc $(CC) $(HOST_CFLAGS) -include endian.h -o $(PKG_BUILD_DIR)/bin/$(1) src/$(1).c $(2) endef +define cc2 + $(CC) $(HOST_CFLAGS) -include endian.h -o $(PKG_BUILD_DIR)/bin/$(firstword $(1)) $(foreach src,$(1),src/$(src).c) $(2) +endef + define Build/Compile mkdir -p $(PKG_BUILD_DIR)/bin $(call cc,addpattern) @@ -34,6 +38,7 @@ define Build/Compile $(call cc,imagetag) $(call cc,add_header) $(call cc,makeamitbin) + $(call cc2,mkplanexfw sha1) endef define Build/Install diff --git a/tools/firmware-utils/src/mkplanexfw.c b/tools/firmware-utils/src/mkplanexfw.c new file mode 100644 index 000000000..2cbdc90bb --- /dev/null +++ b/tools/firmware-utils/src/mkplanexfw.c @@ -0,0 +1,207 @@ +/* + * Copyright (C) 2009 Gabor Juhos + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include /* for unlink() */ +#include +#include /* for getopt() */ +#include +#include +#include + +#include "sha1.h" + +#if (__BYTE_ORDER == __BIG_ENDIAN) +# define HOST_TO_BE32(x) (x) +# define BE32_TO_HOST(x) (x) +#else +# define HOST_TO_BE32(x) bswap_32(x) +# define BE32_TO_HOST(x) bswap_32(x) +#endif + + +struct planex_hdr { + uint8_t sha1sum[20]; + char version[8]; + uint8_t unk1[2]; + uint32_t datalen; +} __attribute__ ((packed)); + +/* + * Globals + */ +static char *ifname; +static char *progname; +static char *ofname; +static char *version = "1.00.00"; + +/* + * Message macros + */ +#define ERR(fmt, ...) do { \ + fflush(0); \ + fprintf(stderr, "[%s] *** error: " fmt "\n", \ + progname, ## __VA_ARGS__ ); \ +} while (0) + +#define ERRS(fmt, ...) do { \ + int save = errno; \ + fflush(0); \ + fprintf(stderr, "[%s] *** error: " fmt "\n", \ + progname, ## __VA_ARGS__, strerror(save)); \ +} while (0) + +void usage(int status) +{ + FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; + struct board_info *board; + + fprintf(stream, "Usage: %s [OPTIONS...]\n", progname); + fprintf(stream, +"\n" +"Options:\n" +" -i read input from the file \n" +" -o write output to the file \n" +" -v set image version to \n" +" -h show this screen\n" + ); + + exit(status); +} + +int main(int argc, char *argv[]) +{ + int res = EXIT_FAILURE; + int buflen; + int err; + struct stat st; + char *buf; + struct planex_hdr *hdr; + sha1_context ctx; + uint32_t t = HOST_TO_BE32(2); + + FILE *outfile, *infile; + + progname = basename(argv[0]); + + while ( 1 ) { + int c; + + c = getopt(argc, argv, "i:o:v:h"); + if (c == -1) + break; + + switch (c) { + case 'i': + ifname = optarg; + break; + case 'o': + ofname = optarg; + break; + case 'v': + version = optarg; + break; + case 'h': + usage(EXIT_SUCCESS); + break; + default: + usage(EXIT_FAILURE); + break; + } + } + + if (ifname == NULL) { + ERR("no input file specified"); + goto err; + } + + if (ofname == NULL) { + ERR("no output file specified"); + goto err; + } + + err = stat(ifname, &st); + if (err){ + ERRS("stat failed on %s", ifname); + goto err; + } + + buflen = (st.st_size + 3) & ~3; + buflen += sizeof(*hdr); + + buf = malloc(buflen); + if (!buf) { + ERR("no memory for buffer\n"); + goto err; + } + + memset(buf, 0xff, buflen); + hdr = (struct planex_hdr *)buf; + + hdr->datalen = HOST_TO_BE32(buflen - sizeof(*hdr)); + hdr->unk1[0] = 0x04; + hdr->unk1[1] = 0x08; + + snprintf(hdr->version, sizeof(hdr->version), "%s", version); + + infile = fopen(ifname, "r"); + if (infile == NULL) { + ERRS("could not open \"%s\" for reading", ifname); + goto err_free; + } + + errno = 0; + fread(buf + sizeof(*hdr), st.st_size, 1, infile); + if (errno != 0) { + ERRS("unable to read from file %s", ifname); + goto err_close_in; + } + + sha1_starts(&ctx); + sha1_update(&ctx, (uchar *) &t, sizeof(t)); + sha1_update(&ctx, buf + sizeof(*hdr), buflen - sizeof(*hdr)); + sha1_finish(&ctx, hdr->sha1sum); + + outfile = fopen(ofname, "w"); + if (outfile == NULL) { + ERRS("could not open \"%s\" for writing", ofname); + goto err_close_in; + } + + errno = 0; + fwrite(buf, buflen, 1, outfile); + if (errno) { + ERRS("unable to write to file %s", ofname); + goto err_close_out; + } + + res = EXIT_SUCCESS; + + out_flush: + fflush(outfile); + + err_close_out: + fclose(outfile); + if (res != EXIT_SUCCESS) { + unlink(ofname); + } + + err_close_in: + fclose(infile); + + err_free: + free(buf); + + err: + return res; +} + diff --git a/tools/firmware-utils/src/sha1.c b/tools/firmware-utils/src/sha1.c new file mode 100644 index 000000000..3ab133299 --- /dev/null +++ b/tools/firmware-utils/src/sha1.c @@ -0,0 +1,443 @@ +/* + * FIPS-180-1 compliant SHA-1 implementation + * + * Copyright (C) 2003-2006 Christophe Devine + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License, version 2.1 as published by the Free Software Foundation. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ +/* + * The SHA-1 standard was published by NIST in 1993. + * + * http://www.itl.nist.gov/fipspubs/fip180-1.htm + */ + +#ifndef _CRT_SECURE_NO_DEPRECATE +#define _CRT_SECURE_NO_DEPRECATE 1 +#endif + +#include +#include + +#include "sha1.h" + +/* + * 32-bit integer manipulation macros (big endian) + */ +#ifndef GET_UINT32_BE +#define GET_UINT32_BE(n,b,i) \ +{ \ + (n) = ( (ulong) (b)[(i) ] << 24 ) \ + | ( (ulong) (b)[(i) + 1] << 16 ) \ + | ( (ulong) (b)[(i) + 2] << 8 ) \ + | ( (ulong) (b)[(i) + 3] ); \ +} +#endif +#ifndef PUT_UINT32_BE +#define PUT_UINT32_BE(n,b,i) \ +{ \ + (b)[(i) ] = (uchar) ( (n) >> 24 ); \ + (b)[(i) + 1] = (uchar) ( (n) >> 16 ); \ + (b)[(i) + 2] = (uchar) ( (n) >> 8 ); \ + (b)[(i) + 3] = (uchar) ( (n) ); \ +} +#endif + +/* + * Core SHA-1 functions + */ +void sha1_starts( sha1_context *ctx ) +{ + ctx->total[0] = 0; + ctx->total[1] = 0; + + ctx->state[0] = 0x67452301; + ctx->state[1] = 0xEFCDAB89; + ctx->state[2] = 0x98BADCFE; + ctx->state[3] = 0x10325476; + ctx->state[4] = 0xC3D2E1F0; +} + +void sha1_process( sha1_context *ctx, uchar data[64] ) +{ + ulong temp, W[16], A, B, C, D, E; + + GET_UINT32_BE( W[0], data, 0 ); + GET_UINT32_BE( W[1], data, 4 ); + GET_UINT32_BE( W[2], data, 8 ); + GET_UINT32_BE( W[3], data, 12 ); + GET_UINT32_BE( W[4], data, 16 ); + GET_UINT32_BE( W[5], data, 20 ); + GET_UINT32_BE( W[6], data, 24 ); + GET_UINT32_BE( W[7], data, 28 ); + GET_UINT32_BE( W[8], data, 32 ); + GET_UINT32_BE( W[9], data, 36 ); + GET_UINT32_BE( W[10], data, 40 ); + GET_UINT32_BE( W[11], data, 44 ); + GET_UINT32_BE( W[12], data, 48 ); + GET_UINT32_BE( W[13], data, 52 ); + GET_UINT32_BE( W[14], data, 56 ); + GET_UINT32_BE( W[15], data, 60 ); + +#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) + +#define R(t) \ +( \ + temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \ + W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \ + ( W[t & 0x0F] = S(temp,1) ) \ +) + +#define P(a,b,c,d,e,x) \ +{ \ + e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \ +} + + A = ctx->state[0]; + B = ctx->state[1]; + C = ctx->state[2]; + D = ctx->state[3]; + E = ctx->state[4]; + +#define F(x,y,z) (z ^ (x & (y ^ z))) +#define K 0x5A827999 + + P( A, B, C, D, E, W[0] ); + P( E, A, B, C, D, W[1] ); + P( D, E, A, B, C, W[2] ); + P( C, D, E, A, B, W[3] ); + P( B, C, D, E, A, W[4] ); + P( A, B, C, D, E, W[5] ); + P( E, A, B, C, D, W[6] ); + P( D, E, A, B, C, W[7] ); + P( C, D, E, A, B, W[8] ); + P( B, C, D, E, A, W[9] ); + P( A, B, C, D, E, W[10] ); + P( E, A, B, C, D, W[11] ); + P( D, E, A, B, C, W[12] ); + P( C, D, E, A, B, W[13] ); + P( B, C, D, E, A, W[14] ); + P( A, B, C, D, E, W[15] ); + P( E, A, B, C, D, R(16) ); + P( D, E, A, B, C, R(17) ); + P( C, D, E, A, B, R(18) ); + P( B, C, D, E, A, R(19) ); + +#undef K +#undef F + +#define F(x,y,z) (x ^ y ^ z) +#define K 0x6ED9EBA1 + + P( A, B, C, D, E, R(20) ); + P( E, A, B, C, D, R(21) ); + P( D, E, A, B, C, R(22) ); + P( C, D, E, A, B, R(23) ); + P( B, C, D, E, A, R(24) ); + P( A, B, C, D, E, R(25) ); + P( E, A, B, C, D, R(26) ); + P( D, E, A, B, C, R(27) ); + P( C, D, E, A, B, R(28) ); + P( B, C, D, E, A, R(29) ); + P( A, B, C, D, E, R(30) ); + P( E, A, B, C, D, R(31) ); + P( D, E, A, B, C, R(32) ); + P( C, D, E, A, B, R(33) ); + P( B, C, D, E, A, R(34) ); + P( A, B, C, D, E, R(35) ); + P( E, A, B, C, D, R(36) ); + P( D, E, A, B, C, R(37) ); + P( C, D, E, A, B, R(38) ); + P( B, C, D, E, A, R(39) ); + +#undef K +#undef F + +#define F(x,y,z) ((x & y) | (z & (x | y))) +#define K 0x8F1BBCDC + + P( A, B, C, D, E, R(40) ); + P( E, A, B, C, D, R(41) ); + P( D, E, A, B, C, R(42) ); + P( C, D, E, A, B, R(43) ); + P( B, C, D, E, A, R(44) ); + P( A, B, C, D, E, R(45) ); + P( E, A, B, C, D, R(46) ); + P( D, E, A, B, C, R(47) ); + P( C, D, E, A, B, R(48) ); + P( B, C, D, E, A, R(49) ); + P( A, B, C, D, E, R(50) ); + P( E, A, B, C, D, R(51) ); + P( D, E, A, B, C, R(52) ); + P( C, D, E, A, B, R(53) ); + P( B, C, D, E, A, R(54) ); + P( A, B, C, D, E, R(55) ); + P( E, A, B, C, D, R(56) ); + P( D, E, A, B, C, R(57) ); + P( C, D, E, A, B, R(58) ); + P( B, C, D, E, A, R(59) ); + +#undef K +#undef F + +#define F(x,y,z) (x ^ y ^ z) +#define K 0xCA62C1D6 + + P( A, B, C, D, E, R(60) ); + P( E, A, B, C, D, R(61) ); + P( D, E, A, B, C, R(62) ); + P( C, D, E, A, B, R(63) ); + P( B, C, D, E, A, R(64) ); + P( A, B, C, D, E, R(65) ); + P( E, A, B, C, D, R(66) ); + P( D, E, A, B, C, R(67) ); + P( C, D, E, A, B, R(68) ); + P( B, C, D, E, A, R(69) ); + P( A, B, C, D, E, R(70) ); + P( E, A, B, C, D, R(71) ); + P( D, E, A, B, C, R(72) ); + P( C, D, E, A, B, R(73) ); + P( B, C, D, E, A, R(74) ); + P( A, B, C, D, E, R(75) ); + P( E, A, B, C, D, R(76) ); + P( D, E, A, B, C, R(77) ); + P( C, D, E, A, B, R(78) ); + P( B, C, D, E, A, R(79) ); + +#undef K +#undef F + + ctx->state[0] += A; + ctx->state[1] += B; + ctx->state[2] += C; + ctx->state[3] += D; + ctx->state[4] += E; +} + +void sha1_update( sha1_context *ctx, uchar *input, uint length ) +{ + ulong left, fill; + + if( ! length ) return; + + left = ctx->total[0] & 0x3F; + fill = 64 - left; + + ctx->total[0] += length; + ctx->total[0] &= 0xFFFFFFFF; + + if( ctx->total[0] < length ) + ctx->total[1]++; + + if( left && length >= fill ) + { + memcpy( (void *) (ctx->buffer + left), + (void *) input, fill ); + sha1_process( ctx, ctx->buffer ); + length -= fill; + input += fill; + left = 0; + } + + while( length >= 64 ) + { + sha1_process( ctx, input ); + length -= 64; + input += 64; + } + + if( length ) + { + memcpy( (void *) (ctx->buffer + left), + (void *) input, length ); + } +} + +static uchar sha1_padding[64] = +{ + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +void sha1_finish( sha1_context *ctx, uchar digest[20] ) +{ + ulong last, padn; + ulong high, low; + uchar msglen[8]; + + high = ( ctx->total[0] >> 29 ) + | ( ctx->total[1] << 3 ); + low = ( ctx->total[0] << 3 ); + + PUT_UINT32_BE( high, msglen, 0 ); + PUT_UINT32_BE( low, msglen, 4 ); + + last = ctx->total[0] & 0x3F; + padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); + + sha1_update( ctx, sha1_padding, padn ); + sha1_update( ctx, msglen, 8 ); + + PUT_UINT32_BE( ctx->state[0], digest, 0 ); + PUT_UINT32_BE( ctx->state[1], digest, 4 ); + PUT_UINT32_BE( ctx->state[2], digest, 8 ); + PUT_UINT32_BE( ctx->state[3], digest, 12 ); + PUT_UINT32_BE( ctx->state[4], digest, 16 ); +} + +/* + * Output SHA-1(file contents), returns 0 if successful. + */ +int sha1_file( char *filename, uchar digest[20] ) +{ + FILE *f; + size_t n; + sha1_context ctx; + uchar buf[1024]; + + if( ( f = fopen( filename, "rb" ) ) == NULL ) + return( 1 ); + + sha1_starts( &ctx ); + + while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) + sha1_update( &ctx, buf, (uint) n ); + + sha1_finish( &ctx, digest ); + + fclose( f ); + return( 0 ); +} + +/* + * Output SHA-1(buf) + */ +void sha1_csum( uchar *buf, uint buflen, uchar digest[20] ) +{ + sha1_context ctx; + + sha1_starts( &ctx ); + sha1_update( &ctx, buf, buflen ); + sha1_finish( &ctx, digest ); +} + +/* + * Output HMAC-SHA-1(key,buf) + */ +void sha1_hmac( uchar *key, uint keylen, uchar *buf, uint buflen, + uchar digest[20] ) +{ + uint i; + sha1_context ctx; + uchar k_ipad[64]; + uchar k_opad[64]; + uchar tmpbuf[20]; + + memset( k_ipad, 0x36, 64 ); + memset( k_opad, 0x5C, 64 ); + + for( i = 0; i < keylen; i++ ) + { + if( i >= 64 ) break; + + k_ipad[i] ^= key[i]; + k_opad[i] ^= key[i]; + } + + sha1_starts( &ctx ); + sha1_update( &ctx, k_ipad, 64 ); + sha1_update( &ctx, buf, buflen ); + sha1_finish( &ctx, tmpbuf ); + + sha1_starts( &ctx ); + sha1_update( &ctx, k_opad, 64 ); + sha1_update( &ctx, tmpbuf, 20 ); + sha1_finish( &ctx, digest ); + + memset( k_ipad, 0, 64 ); + memset( k_opad, 0, 64 ); + memset( tmpbuf, 0, 20 ); + memset( &ctx, 0, sizeof( sha1_context ) ); +} + +#ifdef SELF_TEST +/* + * FIPS-180-1 test vectors + */ +static char *sha1_test_str[3] = +{ + "abc", + "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + NULL +}; + +static uchar sha1_test_sum[3][20] = +{ + { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, + 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, + { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, + 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, + { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, + 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } +}; + +/* + * Checkup routine + */ +int sha1_self_test( void ) +{ + int i, j; + uchar buf[1000]; + uchar sha1sum[20]; + sha1_context ctx; + + for( i = 0; i < 3; i++ ) + { + printf( " SHA-1 test #%d: ", i + 1 ); + + sha1_starts( &ctx ); + + if( i < 2 ) + sha1_update( &ctx, (uchar *) sha1_test_str[i], + strlen( sha1_test_str[i] ) ); + else + { + memset( buf, 'a', 1000 ); + for( j = 0; j < 1000; j++ ) + sha1_update( &ctx, (uchar *) buf, 1000 ); + } + + sha1_finish( &ctx, sha1sum ); + + if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) + { + printf( "failed\n" ); + return( 1 ); + } + + printf( "passed\n" ); + } + + printf( "\n" ); + return( 0 ); +} +#else +int sha1_self_test( void ) +{ + printf( "SHA-1 self-test not available\n\n" ); + return( 1 ); +} +#endif diff --git a/tools/firmware-utils/src/sha1.h b/tools/firmware-utils/src/sha1.h new file mode 100644 index 000000000..425267a30 --- /dev/null +++ b/tools/firmware-utils/src/sha1.h @@ -0,0 +1,57 @@ +#ifndef _SHA1_H +#define _SHA1_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _STD_TYPES +#define _STD_TYPES + +#define uchar unsigned char +#define uint unsigned int +#define ulong unsigned long int + +#endif + +typedef struct +{ + ulong total[2]; + ulong state[5]; + uchar buffer[64]; +} +sha1_context; + +/* + * Core SHA-1 functions + */ +void sha1_starts( sha1_context *ctx ); +void sha1_update( sha1_context *ctx, uchar *input, uint length ); +void sha1_finish( sha1_context *ctx, uchar digest[20] ); + +/* + * Output SHA-1(file contents), returns 0 if successful. + */ +int sha1_file( char *filename, uchar digest[20] ); + +/* + * Output SHA-1(buf) + */ +void sha1_csum( uchar *buf, uint buflen, uchar digest[20] ); + +/* + * Output HMAC-SHA-1(key,buf) + */ +void sha1_hmac( uchar *key, uint keylen, uchar *buf, uint buflen, + uchar digest[20] ); + +/* + * Checkup routine + */ +int sha1_self_test( void ); + +#ifdef __cplusplus +} +#endif + +#endif /* sha1.h */