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Diffstat (limited to 'package/base-files/files/lib/functions.sh')
| -rwxr-xr-x | package/base-files/files/lib/functions.sh | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh index 85ebc2aeb1..6f23e0b8b2 100755 --- a/package/base-files/files/lib/functions.sh +++ b/package/base-files/files/lib/functions.sh @@ -260,6 +260,26 @@ mtd_get_mac_ascii() [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty" } +mtd_get_blob() +{ + local mtdname="$1" + local offset="$2" + local count="$3" + local firmware="$4" + local part + + part=$(find_mtd_part "$mtdname") + if [ -z "$part" ]; then + echo "mtd_get_blob: partition $mtdname not found!" >&2 + return 1 + fi + + dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || { + echo "mtd_get_blob: failed to extract $firmware from $part" >&2 + return 1 + } +} + mtd_get_mac_binary() { local mtdname="$1" local offset="$2" |