--- /dev/null
+
+
+/*
+ ***********************************************************************
+ ** md5.c -- the source code for MD5 routines **
+ ** RSA Data Security, Inc. MD5 Message-Digest Algorithm **
+ ** Created: 2/17/90 RLR **
+ ** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. **
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ ** 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. **
+ ***********************************************************************
+ */
+
+#include <string.h>
+#include "md5.h"
+
+/*
+ ***********************************************************************
+ ** Message-digest routines: **
+ ** To form the message digest for a message M **
+ ** (1) Initialize a context buffer mdContext using MD5_Init **
+ ** (2) Call MD5_Update on mdContext and M **
+ ** (3) Call MD5_Final on mdContext **
+ ** The message digest is now in mdContext->digest[0...15] **
+ ***********************************************************************
+ */
+
+/* forward declaration */
+static void Transform ();
+
+static unsigned char PADDING[64] = {
+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/* F, G, H and I are basic MD5 functions */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+/* ROTATE_LEFT rotates x left n bits */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
+/* Rotation is separate from addition to prevent recomputation */
+#define FF(a, b, c, d, x, s, ac) \
+ {(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define GG(a, b, c, d, x, s, ac) \
+ {(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define HH(a, b, c, d, x, s, ac) \
+ {(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define II(a, b, c, d, x, s, ac) \
+ {(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+
+#ifdef __STDC__
+#define UL(x) x##U
+#else
+#define UL(x) x
+#endif
+
+/* The routine MD5_Init initializes the message-digest context
+ mdContext. All fields are set to zero.
+ */
+void MD5_Init (mdContext)
+MD5_CTX *mdContext;
+{
+ mdContext->i[0] = mdContext->i[1] = (UINT4)0;
+
+ /* Load magic initialization constants.
+ */
+ mdContext->buf[0] = (UINT4)0x67452301;
+ mdContext->buf[1] = (UINT4)0xefcdab89;
+ mdContext->buf[2] = (UINT4)0x98badcfe;
+ mdContext->buf[3] = (UINT4)0x10325476;
+}
+
+/* The routine MD5Update updates the message-digest context to
+ account for the presence of each of the characters inBuf[0..inLen-1]
+ in the message whose digest is being computed.
+ */
+void MD5_Update (mdContext, inBuf, inLen)
+MD5_CTX *mdContext;
+unsigned char *inBuf;
+unsigned int inLen;
+{
+ UINT4 in[16];
+ int mdi;
+ unsigned int i, ii;
+
+ /* compute number of bytes mod 64 */
+ mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+ /* update number of bits */
+ if ((mdContext->i[0] + ((UINT4)inLen << 3)) < mdContext->i[0])
+ mdContext->i[1]++;
+ mdContext->i[0] += ((UINT4)inLen << 3);
+ mdContext->i[1] += ((UINT4)inLen >> 29);
+
+ while (inLen--) {
+ /* add new character to buffer, increment mdi */
+ mdContext->in[mdi++] = *inBuf++;
+
+ /* transform if necessary */
+ if (mdi == 0x40) {
+ for (i = 0, ii = 0; i < 16; i++, ii += 4)
+ in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
+ (((UINT4)mdContext->in[ii+2]) << 16) |
+ (((UINT4)mdContext->in[ii+1]) << 8) |
+ ((UINT4)mdContext->in[ii]);
+ Transform (mdContext->buf, in);
+ mdi = 0;
+ }
+ }
+}
+
+/* The routine MD5Final terminates the message-digest computation and
+ ends with the desired message digest in mdContext->digest[0...15].
+ */
+void MD5_Final (hash, mdContext)
+unsigned char hash[];
+MD5_CTX *mdContext;
+{
+ UINT4 in[16];
+ int mdi;
+ unsigned int i, ii;
+ unsigned int padLen;
+
+ /* save number of bits */
+ in[14] = mdContext->i[0];
+ in[15] = mdContext->i[1];
+
+ /* compute number of bytes mod 64 */
+ mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+ /* pad out to 56 mod 64 */
+ padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
+ MD5_Update (mdContext, PADDING, padLen);
+
+ /* append length in bits and transform */
+ for (i = 0, ii = 0; i < 14; i++, ii += 4)
+ in[i] = (((UINT4)mdContext->in[ii+3]) << 24) |
+ (((UINT4)mdContext->in[ii+2]) << 16) |
+ (((UINT4)mdContext->in[ii+1]) << 8) |
+ ((UINT4)mdContext->in[ii]);
+ Transform (mdContext->buf, in);
+
+ /* store buffer in digest */
+ for (i = 0, ii = 0; i < 4; i++, ii += 4) {
+ mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF);
+ mdContext->digest[ii+1] =
+ (unsigned char)((mdContext->buf[i] >> 8) & 0xFF);
+ mdContext->digest[ii+2] =
+ (unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
+ mdContext->digest[ii+3] =
+ (unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
+ }
+ memcpy(hash, mdContext->digest, 16);
+}
+
+/* Basic MD5 step. Transforms buf based on in.
+ */
+static void Transform (buf, in)
+UINT4 *buf;
+UINT4 *in;
+{
+ UINT4 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
+
+ /* Round 1 */
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+ FF ( a, b, c, d, in[ 0], S11, UL(3614090360)); /* 1 */
+ FF ( d, a, b, c, in[ 1], S12, UL(3905402710)); /* 2 */
+ FF ( c, d, a, b, in[ 2], S13, UL( 606105819)); /* 3 */
+ FF ( b, c, d, a, in[ 3], S14, UL(3250441966)); /* 4 */
+ FF ( a, b, c, d, in[ 4], S11, UL(4118548399)); /* 5 */
+ FF ( d, a, b, c, in[ 5], S12, UL(1200080426)); /* 6 */
+ FF ( c, d, a, b, in[ 6], S13, UL(2821735955)); /* 7 */
+ FF ( b, c, d, a, in[ 7], S14, UL(4249261313)); /* 8 */
+ FF ( a, b, c, d, in[ 8], S11, UL(1770035416)); /* 9 */
+ FF ( d, a, b, c, in[ 9], S12, UL(2336552879)); /* 10 */
+ FF ( c, d, a, b, in[10], S13, UL(4294925233)); /* 11 */
+ FF ( b, c, d, a, in[11], S14, UL(2304563134)); /* 12 */
+ FF ( a, b, c, d, in[12], S11, UL(1804603682)); /* 13 */
+ FF ( d, a, b, c, in[13], S12, UL(4254626195)); /* 14 */
+ FF ( c, d, a, b, in[14], S13, UL(2792965006)); /* 15 */
+ FF ( b, c, d, a, in[15], S14, UL(1236535329)); /* 16 */
+
+ /* Round 2 */
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+ GG ( a, b, c, d, in[ 1], S21, UL(4129170786)); /* 17 */
+ GG ( d, a, b, c, in[ 6], S22, UL(3225465664)); /* 18 */
+ GG ( c, d, a, b, in[11], S23, UL( 643717713)); /* 19 */
+ GG ( b, c, d, a, in[ 0], S24, UL(3921069994)); /* 20 */
+ GG ( a, b, c, d, in[ 5], S21, UL(3593408605)); /* 21 */
+ GG ( d, a, b, c, in[10], S22, UL( 38016083)); /* 22 */
+ GG ( c, d, a, b, in[15], S23, UL(3634488961)); /* 23 */
+ GG ( b, c, d, a, in[ 4], S24, UL(3889429448)); /* 24 */
+ GG ( a, b, c, d, in[ 9], S21, UL( 568446438)); /* 25 */
+ GG ( d, a, b, c, in[14], S22, UL(3275163606)); /* 26 */
+ GG ( c, d, a, b, in[ 3], S23, UL(4107603335)); /* 27 */
+ GG ( b, c, d, a, in[ 8], S24, UL(1163531501)); /* 28 */
+ GG ( a, b, c, d, in[13], S21, UL(2850285829)); /* 29 */
+ GG ( d, a, b, c, in[ 2], S22, UL(4243563512)); /* 30 */
+ GG ( c, d, a, b, in[ 7], S23, UL(1735328473)); /* 31 */
+ GG ( b, c, d, a, in[12], S24, UL(2368359562)); /* 32 */
+
+ /* Round 3 */
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+ HH ( a, b, c, d, in[ 5], S31, UL(4294588738)); /* 33 */
+ HH ( d, a, b, c, in[ 8], S32, UL(2272392833)); /* 34 */
+ HH ( c, d, a, b, in[11], S33, UL(1839030562)); /* 35 */
+ HH ( b, c, d, a, in[14], S34, UL(4259657740)); /* 36 */
+ HH ( a, b, c, d, in[ 1], S31, UL(2763975236)); /* 37 */
+ HH ( d, a, b, c, in[ 4], S32, UL(1272893353)); /* 38 */
+ HH ( c, d, a, b, in[ 7], S33, UL(4139469664)); /* 39 */
+ HH ( b, c, d, a, in[10], S34, UL(3200236656)); /* 40 */
+ HH ( a, b, c, d, in[13], S31, UL( 681279174)); /* 41 */
+ HH ( d, a, b, c, in[ 0], S32, UL(3936430074)); /* 42 */
+ HH ( c, d, a, b, in[ 3], S33, UL(3572445317)); /* 43 */
+ HH ( b, c, d, a, in[ 6], S34, UL( 76029189)); /* 44 */
+ HH ( a, b, c, d, in[ 9], S31, UL(3654602809)); /* 45 */
+ HH ( d, a, b, c, in[12], S32, UL(3873151461)); /* 46 */
+ HH ( c, d, a, b, in[15], S33, UL( 530742520)); /* 47 */
+ HH ( b, c, d, a, in[ 2], S34, UL(3299628645)); /* 48 */
+
+ /* Round 4 */
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+ II ( a, b, c, d, in[ 0], S41, UL(4096336452)); /* 49 */
+ II ( d, a, b, c, in[ 7], S42, UL(1126891415)); /* 50 */
+ II ( c, d, a, b, in[14], S43, UL(2878612391)); /* 51 */
+ II ( b, c, d, a, in[ 5], S44, UL(4237533241)); /* 52 */
+ II ( a, b, c, d, in[12], S41, UL(1700485571)); /* 53 */
+ II ( d, a, b, c, in[ 3], S42, UL(2399980690)); /* 54 */
+ II ( c, d, a, b, in[10], S43, UL(4293915773)); /* 55 */
+ II ( b, c, d, a, in[ 1], S44, UL(2240044497)); /* 56 */
+ II ( a, b, c, d, in[ 8], S41, UL(1873313359)); /* 57 */
+ II ( d, a, b, c, in[15], S42, UL(4264355552)); /* 58 */
+ II ( c, d, a, b, in[ 6], S43, UL(2734768916)); /* 59 */
+ II ( b, c, d, a, in[13], S44, UL(1309151649)); /* 60 */
+ II ( a, b, c, d, in[ 4], S41, UL(4149444226)); /* 61 */
+ II ( d, a, b, c, in[11], S42, UL(3174756917)); /* 62 */
+ II ( c, d, a, b, in[ 2], S43, UL( 718787259)); /* 63 */
+ II ( b, c, d, a, in[ 9], S44, UL(3951481745)); /* 64 */
+
+ buf[0] += a;
+ buf[1] += b;
+ buf[2] += c;
+ buf[3] += d;
+}
+
+/*
+ ***********************************************************************
+ ** End of md5.c **
+ ******************************** (cut) ********************************
+ */
--- /dev/null
+/*
+ * 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;
+}
+
projects / openwrt.git / commitdiff