mirror of
https://github.com/nortakales/flipper-zero-tonies.git
synced 2025-12-06 23:05:43 +01:00
80 lines
2.4 KiB
Bash
Executable file
80 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
|
|
ERROR_FOUND=0
|
|
|
|
REQUIRED_PATTERNS=(
|
|
"^Filetype: Flipper NFC device$"
|
|
"^Version: 4$"
|
|
"^Device type: SLIX$"
|
|
"^UID:( [A-F0-9]{2}){8}$"
|
|
"^DSFID: 00$"
|
|
"^AFI: 00$"
|
|
"^IC Reference: 03$"
|
|
"^Lock DSFID: false$"
|
|
"^Lock AFI: false$"
|
|
"^Block Count: 8$"
|
|
"^Block Size: 04$"
|
|
"^Data Content:( [A-F0-9]{2}){32}$"
|
|
"^Security Status: 00 00 00 00 00 00 00 00$"
|
|
"^Capabilities: Default$"
|
|
"^Password Privacy: 7F FD 6E 5B$"
|
|
"^Password Destroy: 0F 0F 0F 0F$"
|
|
"^Password EAS: 00 00 00 00$"
|
|
"^Privacy Mode: false$"
|
|
"^Lock EAS: false$"
|
|
)
|
|
|
|
FORBIDDEN_PATTERNS=(
|
|
# This showed up in Unleashed firmware, see https://github.com/nortakales/flipper-zero-tonies/pull/82
|
|
"Subtype: ([0-9]){2}"
|
|
)
|
|
|
|
FILE_AND_DIR_ALLOWED_CHARACTERS="A-Za-z0-9().,!%&+ -";
|
|
FILE_AND_DIR_REGEX="^\.[$FILE_AND_DIR_ALLOWED_CHARACTERS/]+\/[$FILE_AND_DIR_ALLOWED_CHARACTERS]+\.nfc$"
|
|
|
|
# Use process substitution so that ERROR_FOUND is updated in the main shell.
|
|
while read -r filename; do
|
|
content=$(cat "$filename")
|
|
|
|
if ! echo "$filename" | awk "/$FILE_AND_DIR_REGEX/ { found=1 } END { exit !found }"; then
|
|
echo "$filename"
|
|
echo " Filename has invalid characters or missing .nfc extension. Allowed characters are $FILE_AND_DIR_ALLOWED_CHARACTERS"
|
|
ERROR_FOUND=1
|
|
fi
|
|
|
|
for pattern in "${REQUIRED_PATTERNS[@]}"; do
|
|
if ! echo "$content" | awk "/$pattern/ { found=1 } END { exit !found }"; then
|
|
echo "$filename"
|
|
echo " Missing pattern: $pattern"
|
|
ERROR_FOUND=1
|
|
fi
|
|
done
|
|
|
|
for pattern in "${FORBIDDEN_PATTERNS[@]}"; do
|
|
if echo "$content" | awk "/$pattern/ { found=1 } END { exit !found }"; then
|
|
echo "$filename"
|
|
echo " Forbidden pattern found: $pattern"
|
|
ERROR_FOUND=1
|
|
fi
|
|
done
|
|
|
|
# It turns out that there is at least one valid Tonies with `00 00 00 00` in the data
|
|
# so now we can just check for one more `00` block than that one and hope it still catches
|
|
# partially read Tonies
|
|
if echo "$content" | awk '/Data Content:( [A-F0-9]{2})* 00 00 00 00 00( [A-F0-9]{2})*/ { found=1 } END { exit !found }'; then
|
|
echo "$filename"
|
|
echo " Full data not read"
|
|
ERROR_FOUND=1
|
|
fi
|
|
|
|
# Not necessarily going to cause issues, but keep line endings the same for consistency
|
|
if echo "$content" | awk '/\r/ { found=1 } END { exit !found }'; then
|
|
echo "$filename"
|
|
echo " Has carriage return characters"
|
|
ERROR_FOUND=1
|
|
fi
|
|
|
|
|
|
done < <(find . -type f -name "*.nfc")
|
|
|
|
exit $ERROR_FOUND
|