298977887/lede
1
0
Fork 0
mirror of https://github.com/coolsnowwolf/lede.git synced 2025-04-16 04:13:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

base-files: rework mtd_get_mac_text()

Browse Source
This commit is contained in:
coolsnowwolf 2024-10-17 16:34:38 +08:00
parent 1627fd2c74
commit 1175c829e6
1 changed files with 67 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
package/base-files/files/lib/functions/system.sh
View File

@ -86,11 +86,72 @@ mtd_get_mac_ascii() {
get_mac_ascii "$part" "$key"
}
mtd_get_mac_text() {
local mtdname=$1
local offset=$(($2))
local part
mtd_get_mac_encrypted_arcadyan() {
local iv="00000000000000000000000000000000"
local key="2A4B303D7644395C3B2B7053553C5200"
local mac_dirty
local mtdname="$1"
local part
local size
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_encrypted_arcadyan: partition $mtdname not found!" >&2
return
fi
# Config decryption and getting mac. Trying uencrypt and openssl utils.
size=$((0x$(dd if=$part skip=9 bs=1 count=4 2>/dev/null | hexdump -v -e '1/4 "%08x"')))
if [[ -f "/usr/bin/uencrypt" ]]; then
mac_dirty=$(dd if=$part bs=1 count=$size skip=$((0x100)) 2>/dev/null | \
uencrypt -d -n -k $key -i $iv | grep mac | cut -c 5-)
elif [[ -f "/usr/bin/openssl" ]]; then
mac_dirty=$(dd if=$part bs=1 count=$size skip=$((0x100)) 2>/dev/null | \
openssl aes-128-cbc -d -nopad -K $key -iv $iv | grep mac | cut -c 5-)
else
echo "mtd_get_mac_encrypted_arcadyan: Neither uencrypt nor openssl was found!" >&2
return
fi
# "canonicalize" mac
[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
}
mtd_get_mac_encrypted_deco() {
local mtdname="$1"
if ! [ -e "$mtdname" ]; then
echo "mtd_get_mac_encrypted_deco: file $mtdname not found!" >&2
return
fi
tplink_key="3336303032384339"
key=$(dd if=$mtdname bs=1 skip=16 count=8 2>/dev/null | \
uencrypt -n -d -k $tplink_key -c des-ecb | hexdump -v -n 8 -e '1/1 "%02x"')
macaddr=$(dd if=$mtdname bs=1 skip=32 count=8 2>/dev/null | \
uencrypt -n -d -k $key -c des-ecb | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"')
echo $macaddr
}
mtd_get_mac_uci_config_ubi() {
local volumename="$1"
. /lib/upgrade/nand.sh
local ubidev=$(nand_attach_ubi $CI_UBIPART)
local part=$(nand_find_volume $ubidev $volumename)
cat "/dev/$part" | sed -n 's/^\s*option macaddr\s*'"'"'\?\([0-9A-F:]\+\)'"'"'\?/\1/Ip'
}
mtd_get_mac_text() {
local mtdname="$1"
local offset=$((${2:-0}))
local length="${3:-17}"
local part
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
@ -98,15 +159,9 @@ mtd_get_mac_text() {
return
fi
if [ -z "$offset" ]; then
echo "mtd_get_mac_text: offset missing!" >&2
return
fi
[ $((offset + length)) -le $(mtd_get_part_size "$mtdname") ] || return
mac_dirty=$(dd if="$part" bs=1 skip="$offset" count=17 2>/dev/null)
# "canonicalize" mac
[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
macaddr_canonicalize $(dd bs=1 if="$part" skip="$offset" count="$length" 2>/dev/null)
}
mtd_get_mac_binary() {
@ -130,15 +185,6 @@ mtd_get_mac_binary_ubi() {
get_mac_binary "/dev/$part" "$offset"
}
mtd_get_mac_binary_mmc() {
local mtdname="$1"
local offset="$2"
local part
part=$(find_mmc_part "$mtdname")
get_mac_binary "$part" "$offset"
}
mtd_get_part_size() {
local part_name=$1
local first dev size erasesize name