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Validate EC key sizes in KeyPairGenerator.initialize() #146

Validate EC key sizes in KeyPairGenerator.initialize()

Validate EC key sizes in KeyPairGenerator.initialize() #146

name: Line Length Check
on:
pull_request:
branches: [ '*' ]
jobs:
line-length-check:
runs-on: ubuntu-latest
name: Check 80 character line limit
steps:
- name: Checkout code
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Check line length in PR changes
run: |
# Get the base branch (usually main/master)
BASE_BRANCH="${{ github.event.pull_request.base.ref }}"
echo "Checking line length (max 80 characters) for changed files in " \
"src/, examples/, and jni/ directories..."
echo "================================================================"
# Create temporary files with unique names
changed_files=$(mktemp)
violations_file=$(mktemp)
# Get all changed files in this PR and filter for target directories
git diff --name-only "origin/$BASE_BRANCH"...HEAD | \
grep -E '^(src/|examples/|jni/)' > "$changed_files" || true
# Initialize violation count
violation_count=0
# Check each changed file
while IFS= read -r file; do
if [[ -f "$file" ]]; then
# Skip WolfCryptProvider.java as it contains service mappings
# that legitimately exceed 80 characters
if [[ "$file" == "src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java" ]]; then
echo "Skipping $file (contains security service mappings)"
continue
fi
# Skip auto-generated JNI header files in jni/include/
# These are generated by javac -h and contain long function
# signatures that cannot be controlled
if [[ "$file" =~ ^jni/include/.*\.h$ ]]; then
echo "Skipping $file (auto-generated JNI header)"
continue
fi
echo "Checking: $file"
# Get added lines with actual file line numbers and check their length
new_line_num=0
git diff "origin/$BASE_BRANCH"...HEAD "$file" | \
while IFS= read -r line; do
# Track line numbers from diff headers - format: @@ -old_start,old_count +new_start,new_count @@
if [[ "$line" =~ ^@@.*\+([0-9]+) ]]; then
# Extract starting line number for new file (after +)
# Subtract 1 because we'll increment before processing first line
new_line_num=$((${BASH_REMATCH[1]} - 1))
elif [[ "$line" =~ ^(\+[^+].*) ]]; then
# This is an added line (not a +++ header)
# Increment line number BEFORE processing (since this line exists in new file)
new_line_num=$((new_line_num + 1))
added_line="${line:1}" # Remove leading +
char_count=${#added_line}
# Skip JNI method signatures and calls to avoid false positives
# These are auto-generated names that can't be shortened
if [[ $char_count -gt 80 ]]; then
# Check if this is a JNI method signature, call, or parameter line that should be ignored
if [[ "$added_line" =~ JNIEXPORT.*JNICALL.*Java_com_wolfssl_ ]] || \
[[ "$added_line" =~ Java_com_wolfssl_.*\( ]] || \
[[ "$added_line" =~ ^[[:space:]]*return[[:space:]]+Java_com_wolfssl_.* ]] || \
[[ "$added_line" =~ ^[[:space:]]*\(JNIEnv\*[[:space:]]+env.*\) ]] || \
[[ "$added_line" =~ ^[[:space:]]*JNIEnv\*[[:space:]]+env.* ]]; then
echo "$file:$new_line_num - Skipping JNI method signature/call/parameters ($char_count characters)"
echo " Line: $added_line"
else
echo "❌ $file:$new_line_num - Line too long ($char_count characters)"
echo " Line: $added_line"
echo "violation" >> "$violations_file"
fi
fi
elif [[ "$line" =~ ^[[:space:]] ]]; then
# Context line (unchanged) - increment new file line number
new_line_num=$((new_line_num + 1))
# Removed lines (starting with -) don't affect new file line numbers
fi
done
fi
done < "$changed_files"
# Count violations
if [[ -f "$violations_file" ]]; then
violation_count=$(grep -c "violation" "$violations_file" || echo 0)
else
violation_count=0
fi
echo "================================================================"
if [[ $violation_count -gt 0 ]]; then
echo "❌ Found $violation_count line(s) exceeding 80 " \
"characters in PR changes"
echo ""
echo "Please ensure all lines are 80 characters or less " \
"as per coding standards."
echo "You can check line length in your editor or use this command:"
echo " grep -n '.\{81,\}' <filename>"
rm -f "$violations_file" "$changed_files"
exit 1
else
echo "✅ All changed lines are within the 80 character limit"
rm -f "$violations_file" "$changed_files"
exit 0
fi