mirror of https://github.com/hak5/openwrt.git
firmware-utils: add new firmware generation tool for the TP-LINK TL-WR941ND device
SVN-Revision: 14672lede-17.01
Gabor Juhos
parent
38821210b0
commit
4a518ddf1c
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@ -39,6 +39,7 @@ define Host/Compile
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$(call cc,add_header)
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$(call cc,add_header)
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$(call cc,makeamitbin)
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$(call cc,makeamitbin)
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$(call cc2,mkplanexfw sha1)
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$(call cc2,mkplanexfw sha1)
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$(call cc2,mktplinkfw md5)
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endef
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endef
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define Host/Install
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define Host/Install
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@ -0,0 +1,307 @@
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/*
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***********************************************************************
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** md5.c -- the source code for MD5 routines **
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** RSA Data Security, Inc. MD5 Message-Digest Algorithm **
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** Created: 2/17/90 RLR **
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** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. **
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***********************************************************************
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*/
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/*
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***********************************************************************
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** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
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** **
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** License to copy and use this software is granted provided that **
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** it is identified as the "RSA Data Security, Inc. MD5 Message- **
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** Digest Algorithm" in all material mentioning or referencing this **
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** software or this function. **
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** **
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** License is also granted to make and use derivative works **
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** provided that such works are identified as "derived from the RSA **
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** Data Security, Inc. MD5 Message-Digest Algorithm" in all **
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** material mentioning or referencing the derived work. **
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** **
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** RSA Data Security, Inc. makes no representations concerning **
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** either the merchantability of this software or the suitability **
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** of this software for any particular purpose. It is provided "as **
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** is" without express or implied warranty of any kind. **
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** **
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** These notices must be retained in any copies of any part of this **
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** documentation and/or software. **
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***********************************************************************
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*/
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#include <string.h>
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#include "md5.h"
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/*
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***********************************************************************
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** Message-digest routines: **
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** To form the message digest for a message M **
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** (1) Initialize a context buffer mdContext using MD5_Init **
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** (2) Call MD5_Update on mdContext and M **
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** (3) Call MD5_Final on mdContext **
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** The message digest is now in mdContext->digest[0...15] **
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***********************************************************************
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*/
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/* forward declaration */
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static void Transform ();
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static unsigned char PADDING[64] = {
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/* F, G, H and I are basic MD5 functions */
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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/* ROTATE_LEFT rotates x left n bits */
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
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/* Rotation is separate from addition to prevent recomputation */
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#define FF(a, b, c, d, x, s, ac) \
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{(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define GG(a, b, c, d, x, s, ac) \
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{(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define HH(a, b, c, d, x, s, ac) \
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{(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define II(a, b, c, d, x, s, ac) \
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{(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#ifdef __STDC__
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#define UL(x) x##U
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#else
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#define UL(x) x
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#endif
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/* The routine MD5_Init initializes the message-digest context
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mdContext. All fields are set to zero.
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*/
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void MD5_Init (mdContext)
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MD5_CTX *mdContext;
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{
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mdContext->i[0] = mdContext->i[1] = (UINT4)0;
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/* Load magic initialization constants.
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*/
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mdContext->buf[0] = (UINT4)0x67452301;
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mdContext->buf[1] = (UINT4)0xefcdab89;
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mdContext->buf[2] = (UINT4)0x98badcfe;
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mdContext->buf[3] = (UINT4)0x10325476;
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}
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/* The routine MD5Update updates the message-digest context to
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account for the presence of each of the characters inBuf[0..inLen-1]
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in the message whose digest is being computed.
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*/
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void MD5_Update (mdContext, inBuf, inLen)
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MD5_CTX *mdContext;
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unsigned char *inBuf;
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unsigned int inLen;
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{
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UINT4 in[16];
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int mdi;
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unsigned int i, ii;
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/* compute number of bytes mod 64 */
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mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
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/* update number of bits */
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if ((mdContext->i[0] + ((UINT4)inLen << 3)) < mdContext->i[0])
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mdContext->i[1]++;
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mdContext->i[0] += ((UINT4)inLen << 3);
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mdContext->i[1] += ((UINT4)inLen >> 29);
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while (inLen--) {
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/* add new character to buffer, increment mdi */
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mdContext->in[mdi++] = *inBuf++;
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/* transform if necessary */
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if (mdi == 0x40) {
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for (i = 0, ii = 0; i < 16; i++, ii += 4)
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in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
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(((UINT4)mdContext->in[ii+2]) << 16) |
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(((UINT4)mdContext->in[ii+1]) << 8) |
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((UINT4)mdContext->in[ii]);
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Transform (mdContext->buf, in);
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mdi = 0;
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}
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}
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}
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/* The routine MD5Final terminates the message-digest computation and
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ends with the desired message digest in mdContext->digest[0...15].
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*/
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void MD5_Final (hash, mdContext)
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unsigned char hash[];
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MD5_CTX *mdContext;
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{
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UINT4 in[16];
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int mdi;
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unsigned int i, ii;
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unsigned int padLen;
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/* save number of bits */
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in[14] = mdContext->i[0];
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in[15] = mdContext->i[1];
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/* compute number of bytes mod 64 */
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mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
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/* pad out to 56 mod 64 */
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padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
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MD5_Update (mdContext, PADDING, padLen);
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/* append length in bits and transform */
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for (i = 0, ii = 0; i < 14; i++, ii += 4)
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in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
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(((UINT4)mdContext->in[ii+2]) << 16) |
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(((UINT4)mdContext->in[ii+1]) << 8) |
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((UINT4)mdContext->in[ii]);
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Transform (mdContext->buf, in);
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/* store buffer in digest */
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for (i = 0, ii = 0; i < 4; i++, ii += 4) {
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mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF);
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mdContext->digest[ii+1] =
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(unsigned char)((mdContext->buf[i] >> 8) & 0xFF);
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mdContext->digest[ii+2] =
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(unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
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mdContext->digest[ii+3] =
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(unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
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}
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memcpy(hash, mdContext->digest, 16);
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}
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/* Basic MD5 step. Transforms buf based on in.
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*/
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static void Transform (buf, in)
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UINT4 *buf;
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UINT4 *in;
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{
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UINT4 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
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/* Round 1 */
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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FF ( a, b, c, d, in[ 0], S11, UL(3614090360)); /* 1 */
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FF ( d, a, b, c, in[ 1], S12, UL(3905402710)); /* 2 */
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FF ( c, d, a, b, in[ 2], S13, UL( 606105819)); /* 3 */
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FF ( b, c, d, a, in[ 3], S14, UL(3250441966)); /* 4 */
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FF ( a, b, c, d, in[ 4], S11, UL(4118548399)); /* 5 */
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FF ( d, a, b, c, in[ 5], S12, UL(1200080426)); /* 6 */
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FF ( c, d, a, b, in[ 6], S13, UL(2821735955)); /* 7 */
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FF ( b, c, d, a, in[ 7], S14, UL(4249261313)); /* 8 */
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FF ( a, b, c, d, in[ 8], S11, UL(1770035416)); /* 9 */
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FF ( d, a, b, c, in[ 9], S12, UL(2336552879)); /* 10 */
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FF ( c, d, a, b, in[10], S13, UL(4294925233)); /* 11 */
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FF ( b, c, d, a, in[11], S14, UL(2304563134)); /* 12 */
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FF ( a, b, c, d, in[12], S11, UL(1804603682)); /* 13 */
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FF ( d, a, b, c, in[13], S12, UL(4254626195)); /* 14 */
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FF ( c, d, a, b, in[14], S13, UL(2792965006)); /* 15 */
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FF ( b, c, d, a, in[15], S14, UL(1236535329)); /* 16 */
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/* Round 2 */
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#define S21 5
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#define S22 9
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#define S23 14
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#define S24 20
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GG ( a, b, c, d, in[ 1], S21, UL(4129170786)); /* 17 */
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GG ( d, a, b, c, in[ 6], S22, UL(3225465664)); /* 18 */
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GG ( c, d, a, b, in[11], S23, UL( 643717713)); /* 19 */
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GG ( b, c, d, a, in[ 0], S24, UL(3921069994)); /* 20 */
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GG ( a, b, c, d, in[ 5], S21, UL(3593408605)); /* 21 */
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GG ( d, a, b, c, in[10], S22, UL( 38016083)); /* 22 */
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GG ( c, d, a, b, in[15], S23, UL(3634488961)); /* 23 */
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GG ( b, c, d, a, in[ 4], S24, UL(3889429448)); /* 24 */
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GG ( a, b, c, d, in[ 9], S21, UL( 568446438)); /* 25 */
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GG ( d, a, b, c, in[14], S22, UL(3275163606)); /* 26 */
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GG ( c, d, a, b, in[ 3], S23, UL(4107603335)); /* 27 */
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GG ( b, c, d, a, in[ 8], S24, UL(1163531501)); /* 28 */
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GG ( a, b, c, d, in[13], S21, UL(2850285829)); /* 29 */
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GG ( d, a, b, c, in[ 2], S22, UL(4243563512)); /* 30 */
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GG ( c, d, a, b, in[ 7], S23, UL(1735328473)); /* 31 */
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GG ( b, c, d, a, in[12], S24, UL(2368359562)); /* 32 */
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/* Round 3 */
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#define S31 4
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#define S32 11
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#define S33 16
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#define S34 23
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HH ( a, b, c, d, in[ 5], S31, UL(4294588738)); /* 33 */
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HH ( d, a, b, c, in[ 8], S32, UL(2272392833)); /* 34 */
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HH ( c, d, a, b, in[11], S33, UL(1839030562)); /* 35 */
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HH ( b, c, d, a, in[14], S34, UL(4259657740)); /* 36 */
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HH ( a, b, c, d, in[ 1], S31, UL(2763975236)); /* 37 */
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HH ( d, a, b, c, in[ 4], S32, UL(1272893353)); /* 38 */
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HH ( c, d, a, b, in[ 7], S33, UL(4139469664)); /* 39 */
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HH ( b, c, d, a, in[10], S34, UL(3200236656)); /* 40 */
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HH ( a, b, c, d, in[13], S31, UL( 681279174)); /* 41 */
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HH ( d, a, b, c, in[ 0], S32, UL(3936430074)); /* 42 */
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HH ( c, d, a, b, in[ 3], S33, UL(3572445317)); /* 43 */
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HH ( b, c, d, a, in[ 6], S34, UL( 76029189)); /* 44 */
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HH ( a, b, c, d, in[ 9], S31, UL(3654602809)); /* 45 */
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HH ( d, a, b, c, in[12], S32, UL(3873151461)); /* 46 */
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HH ( c, d, a, b, in[15], S33, UL( 530742520)); /* 47 */
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HH ( b, c, d, a, in[ 2], S34, UL(3299628645)); /* 48 */
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/* Round 4 */
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#define S41 6
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#define S42 10
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#define S43 15
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#define S44 21
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II ( a, b, c, d, in[ 0], S41, UL(4096336452)); /* 49 */
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II ( d, a, b, c, in[ 7], S42, UL(1126891415)); /* 50 */
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II ( c, d, a, b, in[14], S43, UL(2878612391)); /* 51 */
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II ( b, c, d, a, in[ 5], S44, UL(4237533241)); /* 52 */
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II ( a, b, c, d, in[12], S41, UL(1700485571)); /* 53 */
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II ( d, a, b, c, in[ 3], S42, UL(2399980690)); /* 54 */
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II ( c, d, a, b, in[10], S43, UL(4293915773)); /* 55 */
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II ( b, c, d, a, in[ 1], S44, UL(2240044497)); /* 56 */
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II ( a, b, c, d, in[ 8], S41, UL(1873313359)); /* 57 */
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II ( d, a, b, c, in[15], S42, UL(4264355552)); /* 58 */
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II ( c, d, a, b, in[ 6], S43, UL(2734768916)); /* 59 */
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II ( b, c, d, a, in[13], S44, UL(1309151649)); /* 60 */
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II ( a, b, c, d, in[ 4], S41, UL(4149444226)); /* 61 */
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II ( d, a, b, c, in[11], S42, UL(3174756917)); /* 62 */
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II ( c, d, a, b, in[ 2], S43, UL( 718787259)); /* 63 */
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II ( b, c, d, a, in[ 9], S44, UL(3951481745)); /* 64 */
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buf[0] += a;
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buf[1] += b;
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buf[2] += c;
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|
buf[3] += d;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
***********************************************************************
|
||||||
|
** End of md5.c **
|
||||||
|
******************************** (cut) ********************************
|
||||||
|
*/
|
||||||
|
|
@ -0,0 +1,65 @@
|
||||||
|
/*
|
||||||
|
***********************************************************************
|
||||||
|
** md5.h -- header file for implementation of MD5 **
|
||||||
|
** RSA Data Security, Inc. MD5 Message-Digest Algorithm **
|
||||||
|
** Created: 2/17/90 RLR **
|
||||||
|
** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version **
|
||||||
|
** Revised (for MD5): RLR 4/27/91 **
|
||||||
|
** -- G modified to have y&~z instead of y&z **
|
||||||
|
** -- FF, GG, HH modified to add in last register done **
|
||||||
|
** -- Access pattern: round 2 works mod 5, round 3 works mod 3 **
|
||||||
|
** -- distinct additive constant for each step **
|
||||||
|
** -- round 4 added, working mod 7 **
|
||||||
|
***********************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
***********************************************************************
|
||||||
|
** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
|
||||||
|
** **
|
||||||
|
** License to copy and use this software is granted provided that **
|
||||||
|
** it is identified as the "RSA Data Security, Inc. MD5 Message- **
|
||||||
|
** Digest Algorithm" in all material mentioning or referencing this **
|
||||||
|
** software or this function. **
|
||||||
|
** **
|
||||||
|
** License is also granted to make and use derivative works **
|
||||||
|
** provided that such works are identified as "derived from the RSA **
|
||||||
|
** Data Security, Inc. MD5 Message-Digest Algorithm" in all **
|
||||||
|
** material mentioning or referencing the derived work. **
|
||||||
|
** **
|
||||||
|
** RSA Data Security, Inc. makes no representations concerning **
|
||||||
|
** either the merchantability of this software or the suitability **
|
||||||
|
** of this software for any particular purpose. It is provided "as **
|
||||||
|
** is" without express or implied warranty of any kind. **
|
||||||
|
** **
|
||||||
|
** These notices must be retained in any copies of any part of this **
|
||||||
|
** documentation and/or software. **
|
||||||
|
***********************************************************************
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __MD5_INCLUDE__
|
||||||
|
|
||||||
|
/* typedef a 32-bit type */
|
||||||
|
#ifdef _LP64
|
||||||
|
typedef unsigned int UINT4;
|
||||||
|
typedef int INT4;
|
||||||
|
#else
|
||||||
|
typedef unsigned long UINT4;
|
||||||
|
typedef long INT4;
|
||||||
|
#endif
|
||||||
|
#define _UINT4_T
|
||||||
|
|
||||||
|
/* Data structure for MD5 (Message-Digest) computation */
|
||||||
|
typedef struct {
|
||||||
|
UINT4 i[2]; /* number of _bits_ handled mod 2^64 */
|
||||||
|
UINT4 buf[4]; /* scratch buffer */
|
||||||
|
unsigned char in[64]; /* input buffer */
|
||||||
|
unsigned char digest[16]; /* actual digest after MD5Final call */
|
||||||
|
} MD5_CTX;
|
||||||
|
|
||||||
|
void MD5_Init ();
|
||||||
|
void MD5_Update ();
|
||||||
|
void MD5_Final ();
|
||||||
|
|
||||||
|
#define __MD5_INCLUDE__
|
||||||
|
#endif /* __MD5_INCLUDE__ */
|
||||||
|
|
@ -0,0 +1,432 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
|
||||||
|
*
|
||||||
|
* This tool was based on:
|
||||||
|
* TP-Link WR941 V2 firmware checksum fixing tool.
|
||||||
|
* Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
|
||||||
|
*
|
||||||
|
* 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 <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <unistd.h> /* for unlink() */
|
||||||
|
#include <libgen.h>
|
||||||
|
#include <getopt.h> /* for getopt() */
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <errno.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
|
||||||
|
#include "md5.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
|
||||||
|
|
||||||
|
#define HEADER_VERSION_V1 0x01000000
|
||||||
|
#define HWID_TL_WR941ND_V2 0x09410002
|
||||||
|
|
||||||
|
#define MD5SUM_LEN 16
|
||||||
|
|
||||||
|
struct file_info {
|
||||||
|
char *file_name; /* name of the file */
|
||||||
|
uint32_t file_size; /* length of the file */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct fw_header {
|
||||||
|
uint32_t version; /* header version */
|
||||||
|
char vendor_name[24];
|
||||||
|
char fw_version[36];
|
||||||
|
uint32_t hw_id; /* hardware id */
|
||||||
|
uint32_t hw_rev; /* hardware revision */
|
||||||
|
uint32_t unk1;
|
||||||
|
uint8_t md5sum1[MD5SUM_LEN];
|
||||||
|
uint32_t unk2;
|
||||||
|
uint8_t md5sum2[MD5SUM_LEN];
|
||||||
|
uint32_t unk3;
|
||||||
|
uint32_t kernel_la; /* kernel load address */
|
||||||
|
uint32_t kernel_ep; /* kernel entry point */
|
||||||
|
uint32_t fw_length; /* total length of the firmware */
|
||||||
|
uint32_t kernel_ofs; /* kernel data offset */
|
||||||
|
uint32_t kernel_len; /* kernel data length */
|
||||||
|
uint32_t rootfs_ofs; /* rootfs data offset */
|
||||||
|
uint32_t rootfs_len; /* rootfs data length */
|
||||||
|
uint32_t boot_ofs; /* bootloader data offset */
|
||||||
|
uint32_t boot_len; /* bootloader data length */
|
||||||
|
uint8_t pad[360];
|
||||||
|
} __attribute__ ((packed));
|
||||||
|
|
||||||
|
struct board_info {
|
||||||
|
char *id;
|
||||||
|
uint32_t hw_id;
|
||||||
|
uint32_t hw_rev;
|
||||||
|
uint32_t fw_max_len;
|
||||||
|
uint32_t kernel_la;
|
||||||
|
uint32_t kernel_ep;
|
||||||
|
uint32_t rootfs_ofs;
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Globals
|
||||||
|
*/
|
||||||
|
static char *ofname;
|
||||||
|
static char *progname;
|
||||||
|
static char *vendor = "TP-LINK Technologies";
|
||||||
|
static char *version = "ver. 1.0";
|
||||||
|
|
||||||
|
static char *board_id;
|
||||||
|
static struct board_info *board;
|
||||||
|
static struct file_info kernel_info;
|
||||||
|
static struct file_info rootfs_info;
|
||||||
|
static struct file_info boot_info;
|
||||||
|
|
||||||
|
char md5salt_normal[MD5SUM_LEN] = {
|
||||||
|
0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
|
||||||
|
0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
|
||||||
|
};
|
||||||
|
|
||||||
|
char md5salt_boot[MD5SUM_LEN] = {
|
||||||
|
0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
|
||||||
|
0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct board_info boards[] = {
|
||||||
|
{
|
||||||
|
.id = "TL-WR941NDv2",
|
||||||
|
.hw_id = HWID_TL_WR941ND_V2,
|
||||||
|
.hw_rev = 2,
|
||||||
|
.fw_max_len = 0x3c0000,
|
||||||
|
.kernel_la = 0x80060000,
|
||||||
|
.kernel_ep = 0x80060000,
|
||||||
|
.rootfs_ofs = 0x120000,
|
||||||
|
}, {
|
||||||
|
/* terminating entry */
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 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)
|
||||||
|
|
||||||
|
#define DBG(fmt, ...) do { \
|
||||||
|
fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
|
||||||
|
} while (0)
|
||||||
|
|
||||||
|
static struct board_info *find_board(char *id)
|
||||||
|
{
|
||||||
|
struct board_info *ret;
|
||||||
|
struct board_info *board;
|
||||||
|
|
||||||
|
ret = NULL;
|
||||||
|
for (board = boards; board->id != NULL; board++){
|
||||||
|
if (strcasecmp(id, board->id) == 0) {
|
||||||
|
ret = board;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static 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"
|
||||||
|
" -B <board> create image for the board specified with <board>\n"
|
||||||
|
" -k <file> read kernel image from the file <file>\n"
|
||||||
|
" -r <file> read rootfs image from the file <file>\n"
|
||||||
|
" -o <file> write output to the file <file>\n"
|
||||||
|
" -v <version> set image version to <version>\n"
|
||||||
|
" -h show this screen\n"
|
||||||
|
);
|
||||||
|
|
||||||
|
exit(status);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int get_md5(char *data, int size, char *md5)
|
||||||
|
{
|
||||||
|
MD5_CTX ctx;
|
||||||
|
|
||||||
|
MD5_Init(&ctx);
|
||||||
|
MD5_Update(&ctx, data, size);
|
||||||
|
MD5_Final(md5, &ctx);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int get_file_stat(struct file_info *fdata)
|
||||||
|
{
|
||||||
|
struct stat st;
|
||||||
|
int res;
|
||||||
|
|
||||||
|
if (fdata->file_name == NULL)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
res = stat(fdata->file_name, &st);
|
||||||
|
if (res){
|
||||||
|
ERRS("stat failed on %s", fdata->file_name);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
fdata->file_size = st.st_size;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int read_to_buf(struct file_info *fdata, char *buf)
|
||||||
|
{
|
||||||
|
FILE *f;
|
||||||
|
int ret = EXIT_FAILURE;
|
||||||
|
|
||||||
|
f = fopen(fdata->file_name, "r");
|
||||||
|
if (f == NULL) {
|
||||||
|
ERRS("could not open \"%s\" for reading", fdata->file_name);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
errno = 0;
|
||||||
|
fread(buf, fdata->file_size, 1, f);
|
||||||
|
if (errno != 0) {
|
||||||
|
ERRS("unable to read from file \"%s\"", fdata->file_name);
|
||||||
|
goto out_close;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = EXIT_SUCCESS;
|
||||||
|
|
||||||
|
out_close:
|
||||||
|
fclose(f);
|
||||||
|
out:
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int check_options(void)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (board_id == NULL) {
|
||||||
|
ERR("no board specified");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
board = find_board(board_id);
|
||||||
|
if (board == NULL) {
|
||||||
|
ERR("unknown/unsupported board id \"%s\"", board_id);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (kernel_info.file_name == NULL) {
|
||||||
|
ERR("no kernel image specified");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = get_file_stat(&kernel_info);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
if (kernel_info.file_size > board->rootfs_ofs - sizeof(struct fw_header)) {
|
||||||
|
ERR("kernel image is too big");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (rootfs_info.file_name == NULL) {
|
||||||
|
ERR("no rootfs image specified");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = get_file_stat(&rootfs_info);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
if (rootfs_info.file_size > (board->fw_max_len - board->rootfs_ofs)) {
|
||||||
|
ERR("rootfs image is too big");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ofname == NULL) {
|
||||||
|
ERR("no output file specified");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void fill_header(char *buf, int len)
|
||||||
|
{
|
||||||
|
struct fw_header *hdr = (struct fw_header *)buf;
|
||||||
|
|
||||||
|
memset(hdr, 0, sizeof(struct fw_header));
|
||||||
|
|
||||||
|
hdr->version = HOST_TO_BE32(HEADER_VERSION_V1);
|
||||||
|
strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
|
||||||
|
strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
|
||||||
|
hdr->hw_id = HOST_TO_BE32(board->hw_id);
|
||||||
|
hdr->hw_rev = HOST_TO_BE32(board->hw_rev);
|
||||||
|
|
||||||
|
if (boot_info.file_size == 0)
|
||||||
|
memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
|
||||||
|
else
|
||||||
|
memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
|
||||||
|
|
||||||
|
hdr->kernel_la = HOST_TO_BE32(board->kernel_la);
|
||||||
|
hdr->kernel_ep = HOST_TO_BE32(board->kernel_ep);
|
||||||
|
hdr->fw_length = HOST_TO_BE32(board->fw_max_len);
|
||||||
|
hdr->kernel_ofs = HOST_TO_BE32(sizeof(struct fw_header));
|
||||||
|
hdr->kernel_len = HOST_TO_BE32(kernel_info.file_size);
|
||||||
|
hdr->rootfs_ofs = HOST_TO_BE32(board->rootfs_ofs);
|
||||||
|
hdr->rootfs_len = HOST_TO_BE32(rootfs_info.file_size);
|
||||||
|
|
||||||
|
get_md5(buf, len, hdr->md5sum1);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int write_fw(char *data, int len)
|
||||||
|
{
|
||||||
|
FILE *f;
|
||||||
|
int ret = EXIT_FAILURE;
|
||||||
|
|
||||||
|
f = fopen(ofname, "w");
|
||||||
|
if (f == NULL) {
|
||||||
|
ERRS("could not open \"%s\" for writing", ofname);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
errno = 0;
|
||||||
|
fwrite(data, len, 1, f);
|
||||||
|
if (errno) {
|
||||||
|
ERRS("unable to write output file");
|
||||||
|
goto out_flush;
|
||||||
|
}
|
||||||
|
|
||||||
|
DBG("firmware file \"%s\" completed", ofname);
|
||||||
|
|
||||||
|
ret = EXIT_SUCCESS;
|
||||||
|
|
||||||
|
out_flush:
|
||||||
|
fflush(f);
|
||||||
|
fclose(f);
|
||||||
|
if (ret != EXIT_SUCCESS) {
|
||||||
|
unlink(ofname);
|
||||||
|
}
|
||||||
|
out:
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int build_fw(void)
|
||||||
|
{
|
||||||
|
int buflen;
|
||||||
|
char *buf;
|
||||||
|
char *p;
|
||||||
|
int ret = EXIT_FAILURE;
|
||||||
|
|
||||||
|
buflen = board->fw_max_len;
|
||||||
|
|
||||||
|
buf = malloc(buflen);
|
||||||
|
if (!buf) {
|
||||||
|
ERR("no memory for buffer\n");
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
memset(buf, 0xff, buflen);
|
||||||
|
p = buf + sizeof(struct fw_header);
|
||||||
|
ret = read_to_buf(&kernel_info, p);
|
||||||
|
if (ret)
|
||||||
|
goto out_free_buf;
|
||||||
|
|
||||||
|
p = buf + board->rootfs_ofs;
|
||||||
|
ret = read_to_buf(&rootfs_info, p);
|
||||||
|
if (ret)
|
||||||
|
goto out_free_buf;
|
||||||
|
|
||||||
|
fill_header(buf, buflen);
|
||||||
|
|
||||||
|
ret = write_fw(buf, buflen);
|
||||||
|
if (ret)
|
||||||
|
goto out_free_buf;
|
||||||
|
|
||||||
|
ret = EXIT_SUCCESS;
|
||||||
|
|
||||||
|
out_free_buf:
|
||||||
|
free(buf);
|
||||||
|
out:
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
int ret = EXIT_FAILURE;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
FILE *outfile;
|
||||||
|
|
||||||
|
progname = basename(argv[0]);
|
||||||
|
|
||||||
|
while ( 1 ) {
|
||||||
|
int c;
|
||||||
|
|
||||||
|
c = getopt(argc, argv, "B:V:N:k:r:o:v:h:");
|
||||||
|
if (c == -1)
|
||||||
|
break;
|
||||||
|
|
||||||
|
switch (c) {
|
||||||
|
case 'B':
|
||||||
|
board_id = optarg;
|
||||||
|
break;
|
||||||
|
case 'V':
|
||||||
|
version = optarg;
|
||||||
|
break;
|
||||||
|
case 'N':
|
||||||
|
vendor = optarg;
|
||||||
|
break;
|
||||||
|
case 'k':
|
||||||
|
kernel_info.file_name = optarg;
|
||||||
|
break;
|
||||||
|
case 'r':
|
||||||
|
rootfs_info.file_name = optarg;
|
||||||
|
break;
|
||||||
|
case 'o':
|
||||||
|
ofname = optarg;
|
||||||
|
break;
|
||||||
|
case 'v':
|
||||||
|
version = optarg;
|
||||||
|
break;
|
||||||
|
case 'h':
|
||||||
|
usage(EXIT_SUCCESS);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
usage(EXIT_FAILURE);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = check_options();
|
||||||
|
if (ret)
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
ret = build_fw();
|
||||||
|
|
||||||
|
out:
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue