added project 2
This commit is contained in:
Hugh Ratsch
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#!/bin/bash
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source "$(dirname "$0")/common.sh"
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# Challenge categories and levels
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declare -A CHALLENGE_CATEGORIES=(
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["file"]="File System Operations"
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["perm"]="Permissions & Security"
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["text"]="Text Processing"
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["proc"]="Process Management"
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["net"]="Network Operations"
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)
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# Challenge definitions with detailed metadata
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# Format: type|name|difficulty|skills|task|hints|setup_requirements|verification_criteria
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declare -A CHALLENGES=(
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# Level 1: File Operations
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["1.1"]="file_search|Find Recent Files|1|file_ops,search|Find all .conf files modified in the last 24 hours and save the list to recent_configs.txt|Try using find with -mtime|none|output_file=recent_configs.txt;file_count=10"
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["1.2"]="file_count|File Statistics|1|file_ops,search|Generate a report showing count of files by extension|Consider using find and awk|none|report_exists=true;extension_count=5"
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["1.3"]="file_organize|Smart File Organizer|2|file_ops|Create directories for different file types and sort files accordingly|Look into file command|none|dir_structure=complete;files_sorted=true"
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["1.4"]="file_cleanup|System Cleanup|2|file_ops,search|Find and list all empty files and zero-byte files|Combine find with size tests|none|empty_files_found=true;report_generated=true"
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["1.5"]="file_dedup|Duplicate Hunter|3|file_ops,search|Find and handle duplicate files using md5sum|Consider using sort and uniq|none|duplicates_identified=true;report_accurate=true"
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# Level 2: Permissions
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["2.1"]="perm_basic|Permission Fundamentals|1|permissions|Set up basic file permissions following security best practices|Remember user-group-others order|users=app_user1|permissions_correct=true;ownership_correct=true"
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["2.2"]="perm_acl|ACL Master|2|permissions|Implement complex ACL rules for multiple users|Look into setfacl usage|users=app_user1,app_user2|acl_rules_correct=true"
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["2.3"]="perm_special|Special Permission Bits|2|permissions|Configure SUID/SGID permissions correctly|Understanding special bits|none|special_bits_correct=true"
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["2.4"]="perm_recursive|Directory Tree Fix|3|permissions|Fix permissions recursively while maintaining security|Consider find with exec|none|tree_permissions_correct=true"
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["2.5"]="perm_audit|Security Auditor|3|permissions|Perform security audit and generate detailed report|Use stat and lsattr|none|audit_complete=true;report_detailed=true"
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# Level 3: Text Processing
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["3.1"]="text_search|Log Detective|1|text_proc,search|Find and analyze specific patterns in log files|grep with context|none|patterns_found=true;count_correct=true"
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["3.2"]="text_extract|Data Extraction Pro|2|text_proc|Extract and format specific fields from log files|awk is your friend|none|fields_extracted=true;format_correct=true"
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["3.3"]="text_transform|Format Converter|2|text_proc|Transform data between different formats|sed for substitution|none|transformation_correct=true"
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["3.4"]="text_report|Report Generator|3|text_proc|Create a detailed system report from various logs|Combine multiple tools|none|report_complete=true;format_valid=true"
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["3.5"]="text_analyze|Pattern Analyzer|3|text_proc,search|Analyze complex error patterns and generate statistics|Use grep with perl regex|none|analysis_complete=true;stats_accurate=true"
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)
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# Challenge verification functions
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verify_challenge() {
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local challenge_id=$1
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local start_time=$2
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IFS='|' read -r type name difficulty skills task hints requirements criteria <<< "${CHALLENGES[$challenge_id]}"
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# Check prerequisites
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if ! check_requirements "$requirements"; then
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log_message "ERROR" "Challenge prerequisites not met"
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return 1
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}
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# Record attempt
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record_attempt "$challenge_id" "$start_time"
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# Run specific verification
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local category=${type%%_*}
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case "$category" in
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"file") verify_file_challenge "$challenge_id" "$criteria" ;;
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"perm") verify_permission_challenge "$challenge_id" "$criteria" ;;
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"text") verify_text_challenge "$challenge_id" "$criteria" ;;
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*) log_message "ERROR" "Unknown challenge category: $category" ;;
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esac
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}
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# Check challenge prerequisites
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check_requirements() {
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local requirements=$1
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[[ "$requirements" == "none" ]] && return 0
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IFS=';' read -ra REQS <<< "$requirements"
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for req in "${REQS[@]}"; do
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IFS='=' read -r key value <<< "$req"
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case "$key" in
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"users")
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for user in ${value//,/ }; do
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if ! id "$user" &>/dev/null; then
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log_message "ERROR" "Required user $user not found"
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return 1
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fi
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done
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;;
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# Add more requirement checks as needed
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esac
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done
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return 0
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}
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# Verify file-related challenges
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verify_file_challenge() {
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local challenge_id=$1
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local criteria=$2
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local result=0
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IFS=';' read -ra CHECKS <<< "$criteria"
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for check in "${CHECKS[@]}"; do
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IFS='=' read -r key value <<< "$check"
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case "$key" in
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"output_file")
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[[ -f "$value" ]] && ((result++))
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;;
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"file_count")
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[[ "$(find "$CHALLENGE_DIR/files" -type f | wc -l)" -eq "$value" ]] && ((result++))
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;;
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# Add more specific checks
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esac
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done
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verify_result "$challenge_id" "$result" "${#CHECKS[@]}" "File challenge verification"
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}
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# Verify permission-related challenges
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verify_permission_challenge() {
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local challenge_id=$1
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local criteria=$2
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local result=0
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IFS=';' read -ra CHECKS <<< "$criteria"
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for check in "${CHECKS[@]}"; do
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IFS='=' read -r key value <<< "$check"
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case "$key" in
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"users")
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for user in ${value//,/ }; do
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if ! id "$user" &>/dev/null; then
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log_message "ERROR" "Required user $user not found"
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return 1
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fi
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done
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;;
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# Add more permission checks as needed
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esac
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done
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verify_result "$challenge_id" "$result" "${#CHECKS[@]}" "Permission challenge verification"
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}
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# Verify text-related challenges
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verify_text_challenge() {
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local challenge_id=$1
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local criteria=$2
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local result=0
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IFS=';' read -ra CHECKS <<< "$criteria"
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for check in "${CHECKS[@]}"; do
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IFS='=' read -r key value <<< "$check"
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case "$key" in
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"patterns_found")
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[[ "$(grep -c "$value" "$CHALLENGE_DIR/files/logs/"*.log)" -ge 1 ]] && ((result++))
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;;
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"count_correct")
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[[ "$(grep -c "$value" "$CHALLENGE_DIR/files/logs/"*.log)" -eq "$value" ]] && ((result++))
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;;
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# Add more text checks as needed
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esac
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done
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verify_result "$challenge_id" "$result" "${#CHECKS[@]}" "Text challenge verification"
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}
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# Record challenge attempt
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record_attempt() {
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local challenge_id=$1
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local start_time=$2
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local duration=$(($(date +%s) - start_time))
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local command_count=$(grep -c "^$start_time" "$COMMAND_LOG")
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echo "$challenge_id,$(get_attempt_number "$challenge_id"),$start_time,$command_count,$duration,0" >> "$ATTEMPT_FILE"
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}
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# Get attempt number for challenge
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get_attempt_number() {
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local challenge_id=$1
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local attempts=$(grep -c "^$challenge_id," "$ATTEMPT_FILE")
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echo $((attempts + 1))
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}
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# Enhanced result verification with detailed feedback
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verify_result() {
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local challenge_id=$1
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local actual=$2
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local expected=$3
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local message=$4
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local end_time=$(date +%s)
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if [[ "$actual" == "$expected" ]]; then
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log_message "SUCCESS" "Challenge $challenge_id: $message"
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update_challenge_status "$challenge_id" "1" "$end_time"
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# Calculate bonus points
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local duration=$((end_time - start_time))
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local command_count=$(get_command_count "$challenge_id")
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local bonus_points=$(calculate_bonus_points "$duration" "$command_count")
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award_points "$challenge_id" "$((100 + bonus_points))"
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return 0
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else
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log_message "ERROR" "Challenge $challenge_id: Completed $actual/$expected checks"
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update_challenge_status "$challenge_id" "0" "$end_time"
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return 1
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fi
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}
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# Calculate bonus points based on time and efficiency
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calculate_bonus_points() {
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local duration=$1
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local command_count=$2
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local time_bonus=0
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local efficiency_bonus=0
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# Time bonus
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if [[ "$duration" -lt 60 ]]; then
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time_bonus=50
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elif [[ "$duration" -lt 120 ]]; then
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time_bonus=25
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fi
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# Efficiency bonus
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if [[ "$command_count" -le 3 ]]; then
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efficiency_bonus=50
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elif [[ "$command_count" -le 5 ]]; then
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efficiency_bonus=25
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fi
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echo $((time_bonus + efficiency_bonus))
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}
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# Get challenge details with color formatting
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get_challenge_details() {
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local challenge_id=$1
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IFS='|' read -r type name difficulty skills task hints requirements _ <<< "${CHALLENGES[$challenge_id]}"
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cat << EOF
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${BOLD}Challenge ${challenge_id}${NC}: ${YELLOW}$name${NC}
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${BLUE}Difficulty${NC}: $(printf '★%.0s' $(seq 1 "$difficulty"))
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${BLUE}Skills${NC}: $skills
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${BLUE}Task${NC}: $task
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${BLUE}Hint${NC}: $hints
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EOF
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}
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# Update challenge status
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update_challenge_status() {
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local challenge_id=$1
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local success=$2
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local end_time=$3
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# Update attempt status
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sed -i "$ s/,0$/,$success/" "$ATTEMPT_FILE"
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# Record completion if successful
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if [[ "$success" == "1" ]]; then
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echo "$challenge_id,$end_time,completed,${CHALLENGES[$challenge_id]}" >> "$PROGRESS_FILE"
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fi
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}
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# List available challenges
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list_challenges() {
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echo -e "\n${BOLD}Available Challenges:${NC}"
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for challenge_id in "${!CHALLENGES[@]}"; do
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IFS='|' read -r type name difficulty skills task hints requirements _ <<< "${CHALLENGES[$challenge_id]}"
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if ! is_challenge_completed "$challenge_id"; then
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echo -e "\n${YELLOW}Challenge $challenge_id${NC} ($difficulty★)"
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echo "Type: $type"
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echo "Skills: $skills"
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echo "Task: $task"
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fi
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done
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}
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