X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/d5df4c3d39c6c0bce96225fca6ff5a2b4d6db521..89d58c318982ccae1f5acef8af73eca3f65e84ab:/tools/wrt350nv2-builder/src/wrt350nv2-builder.c diff --git a/tools/wrt350nv2-builder/src/wrt350nv2-builder.c b/tools/wrt350nv2-builder/src/wrt350nv2-builder.c index 68001188b..a45932930 100644 --- a/tools/wrt350nv2-builder/src/wrt350nv2-builder.c +++ b/tools/wrt350nv2-builder/src/wrt350nv2-builder.c @@ -1,6 +1,6 @@ /* - WRT350Nv2-Builder 2.1 (previously called buildimg) + WRT350Nv2-Builder 2.2 (previously called buildimg) Copyright (C) 2008-2009 Dirk Teurlings Copyright (C) 2009-2010 Matthias Buecher (http://www.maddes.net/) @@ -31,6 +31,7 @@ :kernel 0x001A0000 /path/to/uImage :rootfs 0 /path/to/root.squashfs :u-boot 0 /path/to/u-boot.bin + #version 0x2020 args: 1 wrt350nv2.par parameter file describing the image layout @@ -60,10 +61,16 @@ To extract everything from a Linksys style firmware image see https://forum.openwrt.org/viewtopic.php?pid=92928#p92928 -*/ + Changelog: + v2.2 - fixed checksum byte calculation for other versions than 0x2019 + fixed rare problem with padsize + updated info to stock firmware 2.00.20 + fixed typos + v2.1 - used "wrt350n.bin" for the created image (closer to stock) + added option to create the image in two separate steps (-b / -z) + v2.0 - complete re-write -// ToDo: -// * Has NODE to be added to bin file *after* creating checksum byte? +*/ // includes #define _GNU_SOURCE // for GNU's basename() @@ -79,11 +86,11 @@ // custom includes #include "md5.h" // MD5 routines -#include "upgrade.h" // Linksys definitions from firmware 2.0.19 +#include "upgrade.h" // Linksys definitions from firmware 2.0.19 (unchanged up to 2.0.20) // version info -#define VERSION "2.1" +#define VERSION "2.2" char program_info[] = "WRT350Nv2-Builder v%s by Dirk Teurlings and Matthias Buecher (http://www.maddes.net/)\n"; // verbosity @@ -107,12 +114,14 @@ mtd_info mtd_uboot = { "u-boot", 0, 0, NULL, 0L, { 0, 0 } }; #define ROOTFS_END_OFFSET 0x00760000 #define ROOTFS_MIN_OFFSET 0x00640000 // should be filled up to here, to make sure that the zip file is big enough to pass the size check of the stock firmware - // 2.0.17: filled up to 0x00640000, 2.0.19: filled up to 0x0670000 + // 2.0.17: filled up to 0x00640000 + // 2.0.19: filled up to 0x00670000 + // 2.0.20: filled up to 0x00670000 // rootfs statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0x0075FFE0 -n 16 "wrt350n.bin" ; echo -en "\n" unsigned char product_id[] = { 0x00, 0x03 }; // seems to be a fixed value unsigned char protocol_id[] = { 0x00, 0x00 }; // seems to be a fixed value -unsigned char fw_version[] = { 0x20, 0x19 }; +unsigned char fw_version[] = { 0x20, 0x20 }; unsigned char rootfs_unknown[] = { 0x90, 0xF7 }; // seems to be a fixed value unsigned char sign[] = { 0x65, 0x52, 0x63, 0x4F, 0x6D, 0x4D, 0x00, 0x00 }; // eRcOmM @@ -130,7 +139,7 @@ unsigned char pid[] = { 0x73, 0x45, 0x72, 0x43, 0x6F, 0x4D, 0x6D, 0x00, 0x01, 0x 0x00, 0x00, 0x00, 0x04, 0x73, 0x45, 0x72, 0x43, 0x6F, 0x4D, 0x6D }; // sErCoMm -// img statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0 -n 512 "WRT350N-EU-ETSI-2.00.19.img" ; echo -en "\n" +// img statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0 -n 512 "WRT350N-EU-ETSI-2.00.19.img" ; echo -en "\n" (unchanged up to 2.0.20) unsigned char img_hdr[] = { 0x00, 0x01, 0x00, 0x00, 0x59, 0x42, 0x50, 0x00, 0x01, 0x10, 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, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, @@ -320,7 +329,7 @@ int parse_par_file(FILE *f_par) { case '#': // integer values count = sscanf(line, "#%255s %i", string1, &value); if (count != 2) { - printf("line %i does not meet defined format (: \n", lineno); + printf("line %i does not meet defined format (# \n", lineno); } else { if (!strcmp(string1, "version")) { // changing version @@ -454,10 +463,12 @@ int create_bin_file(char *bin_filename) { // padding if (padsize > 0) { - printf("mtd %s input file %s is too small (0x%08lX), adding 0x%08X random bytes\n", mtd->name, mtd->filename, mtd->filesize, padsize); - addsize = padsize & 0x0000FFFF; // start on next 64KB border padsize -= addsize; + } + if (padsize > 0) { + printf("mtd %s input file %s is too small (0x%08lX), adding 0x%08X random bytes\n", mtd->name, mtd->filename, mtd->filesize, padsize); + addsize += KERNEL_CODE_OFFSET + mtd->offset + mtd->filesize; // get offset lprintf(DEBUG, " padding offset 0x%08X length 0x%08X\n", addsize, padsize); @@ -491,10 +502,12 @@ int create_bin_file(char *bin_filename) { memcpy(&buffer[KERNEL_CODE_OFFSET + FW_VERSION_OFFSET + 2], rootfs_unknown, 2); memcpy(&buffer[KERNEL_CODE_OFFSET + SIGN_OFFSET], sign, 8); // eRcOmM - lprintf(DEBUG, "adding u-boot special data 1/2\n"); // ToDo: or after creating the checksum byte? -// memcpy(&buffer[KERNEL_CODE_OFFSET + SN_OFF], sn, 12); // ToDo: find out what's this for? -// memcpy(&buffer[KERNEL_CODE_OFFSET + PIN_OFF], pin, 8); // ToDo: find out what's this for? -// memcpy(&buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF], node, 25); // ToDo: find out what's this for? + lprintf(DEBUG, "adding u-boot special data\n"); +// memcpy(&buffer[KERNEL_CODE_OFFSET + SN_OFF], sn, 12); // ToDo: currently zero, find out what's this for? +// memcpy(&buffer[KERNEL_CODE_OFFSET + PIN_OFF], pin, 8); // ToDo: currently zero, find out what's this for? +// memcpy(&buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF], node, 25); // ToDo: currently zero, find out what's this for? + memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET], pid, 70); // sErCoMm + memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET + 57], fw_version, 2); lprintf(DEBUG, "adding checksum byte\n"); csum = 0; @@ -503,12 +516,8 @@ int create_bin_file(char *bin_filename) { } lprintf(DEBUG_LVL2, " checksum 0x%016lX (%li)\n", csum, csum); - buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25] = ~(csum+108)+1; + buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25] = ~csum + 1; lprintf(DEBUG, " byte 0x%02X\n", buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25]); - - lprintf(DEBUG, "adding u-boot special data 2/2\n"); - memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET], pid, 70); // sErCoMm - memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET + 57], fw_version, 2); } // write bin file @@ -847,7 +856,7 @@ int main(int argc, char *argv[]) { -b - Create only bin file, no img or zip file is created\n\ -z - Have zip file, the img file will be directly created from it\n\ -f - Wanted firmware version to use with -z\n\ - Default firmware version is 0x2019 = 2.00.19.\n\ + Default firmware version is 0x2020 = 2.00.20.\n\ Note: version from parameter file will supersede this\n\ -v - Increase debug verbosity level\n\n\ Example:\n\