/*
- WRT350Nv2-Builder 2.2 (previously called buildimg)
+ WRT350Nv2-Builder 2.3 (previously called buildimg)
Copyright (C) 2008-2009 Dirk Teurlings <info@upexia.nl>
Copyright (C) 2009-2010 Matthias Buecher (http://www.maddes.net/)
https://forum.openwrt.org/viewtopic.php?pid=92928#p92928
Changelog:
+ v2.3 - allow jffs by adding its magic number (0x8519)
+ added parameter option -i to ignore unknown magic numbers
v2.2 - fixed checksum byte calculation for other versions than 0x2019
fixed rare problem with padsize
updated info to stock firmware 2.00.20
// version info
-#define VERSION "2.2"
+#define VERSION "2.3"
char program_info[] = "WRT350Nv2-Builder v%s by Dirk Teurlings <info@upexia.nl> and Matthias Buecher (http://www.maddes.net/)\n";
// verbosity
int help;
int onlybin;
int havezip;
+ int ignoremagic;
char option;
char *par_filename = NULL;
char *img_filename = NULL;
int mandatory;
int noupdate;
int sizecheck;
- unsigned char magic[2];
+ int magiccheck;
+ int magicerror;
// display program header
help = 0;
onlybin = 0;
havezip = 0;
- while ((option = getopt(argc, argv, ":hbzf:v")) != -1) {
+ ignoremagic = 0;
+ while ((option = getopt(argc, argv, "hbzif:v")) != -1) {
switch(option) {
case 'h':
help = 1;
case 'z':
havezip = 1;
break;
+ case 'i':
+ ignoremagic = 1;
+ break;
case 'f':
sizecheck = sscanf(optarg, "%i", &i);
if (sizecheck != 1) {
printf("This program creates Linksys style images for the WRT350Nv2 router.\n");
}
printf(" Usage:\n\
- %s [-h] [-b] [-z] [-f <version>] [-v] <parameter or zip file> [<image file>]\n\n\
+ %s [-h] [-b] [-z] [-i] [-f <version>] [-v] <parameter or zip file> [<image file>]\n\n\
Options:\n\
-h - Show this help\n\
-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\
+ -i - Ignore unknown magic numbers\n\
-f <version> - Wanted firmware version to use with -z\n\
Default firmware version is 0x2020 = 2.00.20.\n\
Note: version from parameter file will supersede this\n\
mandatory = 0;
noupdate = 0;
sizecheck = 0;
- magic[0] = 0;
- magic[1] = 0;
+ magiccheck = 0;
switch (i) {
case 1:
mtd = &mtd_kernel;
mandatory = 1;
sizecheck = mtd_kernel.size - 16;
- magic[0] = 0x27;
- magic[1] = 0x05;
+ magiccheck = 1;
break;
case 2:
mtd = &mtd_rootfs;
mtd->size = ROOTFS_END_OFFSET - mtd_kernel.size;
mandatory = 1;
sizecheck = PRODUCT_ID_OFFSET - mtd_kernel.size;
- magic[0] = 0x68;
- magic[1] = 0x73;
+ magiccheck = 1;
break;
case 3:
mtd = &mtd_uboot;
printf("mtd %s not specified correctly or at all in parameter file\n", mtd->name);
}
- // end checks if no file data present
+ // no further checks if no file data present
if (!mtd->filename) {
continue;
}
}
// general magic number check
- if (magic[0]) {
- if ((mtd->magic[0] != magic[0]) || (mtd->magic[1] != magic[1])) {
- exitcode = 1;
- printf("mtd %s input file %s has wrong magic number (0x%02X%02X)\n", mtd->name, mtd->filename, mtd->magic[0], mtd->magic[1]);
+ magicerror = 0;
+ if (magiccheck) {
+ switch (i) {
+ case 1: // kernel
+ if (!(
+ ((mtd->magic[0] == 0x27) && (mtd->magic[1] == 0x05)) // uImage
+ )) {
+ magicerror = 1;
+ }
+ break;
+ case 2: // rootfs
+ if (!(
+ ((mtd->magic[0] == 0x68) && (mtd->magic[1] == 0x73)) // squashfs
+ || ((mtd->magic[0] == 0x85) && (mtd->magic[1] == 0x19)) // jffs
+ )) {
+ magicerror = 1;
+ }
+ break;
+ default:
+ magicerror = 1;
+ break;
+ }
+ if (magicerror) {
+ printf("mtd %s input file %s has unknown magic number (0x%02X%02X)", mtd->name, mtd->filename, mtd->magic[0], mtd->magic[1]);
+ if (ignoremagic) {
+ printf("...ignoring");
+ } else {
+ exitcode = 1;
+ }
+ printf("\n");
}
}