Module: Brakeman::Options

Defined in:
lib/brakeman/options.rb

Overview

Parses command line arguments for Brakeman

Class Method Summary collapse

Class Method Details

.create_option_parser(options) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
 
# File 'lib/brakeman/options.rb', line 38

def create_option_parser options
  OptionParser.new do |opts|
    opts.banner = "Usage: brakeman [options] rails/root/path"

    opts.on "-n", "--no-threads", "Run checks sequentially" do
      options[:parallel_checks] = false
    end

    opts.on "--[no-]progress", "Show progress reports" do |progress|
      options[:report_progress] = progress
    end

    opts.on "-p", "--path PATH", "Specify path to Rails application" do |path|
      options[:app_path] = path
    end

    opts.on "-q", "--[no-]quiet", "Suppress informational messages" do |quiet|
      options[:quiet] = quiet
    end

    opts.on( "-z", "--[no-]exit-on-warn", "Exit code is non-zero if warnings found (Default)") do |exit_on_warn|
      options[:exit_on_warn] = exit_on_warn
    end

    opts.on "--[no-]exit-on-error", "Exit code is non-zero if errors raised (Default)" do |exit_on_error|
      options[:exit_on_error] = exit_on_error
    end

    opts.on "--ensure-latest", "Fail when Brakeman is outdated" do
      options[:ensure_latest] = true
    end

    opts.on "-3", "--rails3", "Force Rails 3 mode" do
      options[:rails3] = true
    end

    opts.on "-4", "--rails4", "Force Rails 4 mode" do
      options[:rails3] = true
      options[:rails4] = true
    end

    opts.on "-5", "--rails5", "Force Rails 5 mode" do
      options[:rails3] = true
      options[:rails4] = true
      options[:rails5] = true
    end

    opts.on "-6", "--rails6", "Force Rails 6 mode" do
      options[:rails3] = true
      options[:rails4] = true
      options[:rails5] = true
      options[:rails6] = true
    end

    opts.separator ""
    opts.separator "Scanning options:"

    opts.on "-A", "--run-all-checks", "Run all default and optional checks" do
      options[:run_all_checks] = true
    end

    opts.on "-a", "--[no-]assume-routes", "Assume all controller methods are actions (Default)" do |assume|
      options[:assume_all_routes] = assume
    end

    opts.on "-e", "--escape-html", "Escape HTML by default" do
      options[:escape_html] = true
    end

    opts.on "--faster", "Faster, but less accurate scan" do
      options[:ignore_ifs] = true
      options[:skip_libs] = true
      options[:disable_constant_tracking] = true
    end

    opts.on "--ignore-model-output", "Consider model attributes XSS-safe" do
      options[:ignore_model_output] = true
    end

    opts.on "--ignore-protected", "Consider models with attr_protected safe" do
      options[:ignore_attr_protected] = true
    end

    opts.on "--[no-]index-libs", "Add libraries to call index (Default)" do |index|
      options[:index_libs] = index
    end

    opts.on "--interprocedural", "Process method calls to known methods" do
      options[:interprocedural] = true
    end

    opts.on "--no-branching", "Disable flow sensitivity on conditionals" do
      options[:ignore_ifs] = true
    end

    opts.on "--branch-limit LIMIT", Integer, "Limit depth of values in branches (-1 for no limit)" do |limit|
      options[:branch_limit] = limit
    end

    opts.on "--parser-timeout SECONDS", Integer, "Set parse timeout (Default: 10)" do |timeout|
      options[:parser_timeout] = timeout
    end

    opts.on "-r", "--report-direct", "Only report direct use of untrusted data" do |option|
      options[:check_arguments] = !option
    end

    opts.on "-s", "--safe-methods meth1,meth2,etc", Array, "Set methods as safe for unescaped output in views" do |methods|
      options[:safe_methods] ||= Set.new
      options[:safe_methods].merge methods.map {|e| e.to_sym }
    end

    opts.on "--url-safe-methods method1,method2,etc", Array, "Do not warn of XSS if the link_to href parameter is wrapped in a safe method" do |methods|
      options[:url_safe_methods] ||= Set.new
      options[:url_safe_methods].merge methods.map {|e| e.to_sym }
    end

    opts.on "--skip-files file1,path2,etc", Array, "Skip processing of these files/directories. Directories are application relative and must end in \"#{File::SEPARATOR}\"" do |files|
      options[:skip_files] ||= Set.new
      options[:skip_files].merge files
    end

    opts.on "--only-files file1,path2,etc", Array, "Process only these files/directories. Directories are application relative and must end in \"#{File::SEPARATOR}\"" do |files|
      options[:only_files] ||= Set.new
      options[:only_files].merge files
    end

    opts.on "--skip-libs", "Skip processing lib directory" do
      options[:skip_libs] = true
    end

    opts.on "--add-libs-path path1,path2,etc", Array, "An application relative lib directory (ex. app/mailers) to process" do |paths|
      options[:additional_libs_path] ||= Set.new
      options[:additional_libs_path].merge paths
    end

    opts.on "--add-engines-path path1,path2,etc", Array, "Include these engines in the scan" do |paths|
      options[:engine_paths] ||= Set.new
      options[:engine_paths].merge paths
    end

    opts.on "-E", "--enable Check1,Check2,etc", Array, "Enable the specified checks" do |checks|
      checks.map! do |check|
        if check.start_with? "Check"
          check
        else
          "Check" << check
        end
      end

      options[:enable_checks] ||= Set.new
      options[:enable_checks].merge checks
    end

    opts.on "-t", "--test Check1,Check2,etc", Array, "Only run the specified checks" do |checks|
      checks.each_with_index do |s, index|
        if s[0,5] != "Check"
          checks[index] = "Check" << s
        end
      end

      options[:run_checks] ||= Set.new
      options[:run_checks].merge checks
    end

    opts.on "-x", "--except Check1,Check2,etc", Array, "Skip the specified checks" do |skip|
      skip.each do |s|
        if s[0,5] != "Check"
          s = "Check" << s
        end

        options[:skip_checks] ||= Set.new
        options[:skip_checks] << s
      end
    end

    opts.on "--add-checks-path path1,path2,etc", Array, "A directory containing additional out-of-tree checks to run" do |paths|
      options[:additional_checks_path] ||= Set.new
      options[:additional_checks_path].merge paths.map {|p| File.expand_path p}
    end

    opts.separator ""
    opts.separator "Output options:"

    opts.on "-d", "--debug", "Lots of output" do
      options[:debug] = true
    end

    opts.on "-f",
      "--format TYPE",
      [:pdf, :text, :html, :csv, :tabs, :json, :markdown, :codeclimate, :cc, :plain, :table],
      "Specify output formats. Default is text" do |type|

      type = "s" if type == :text
      options[:output_format] = ("to_" << type.to_s).to_sym
    end

    opts.on "--css-file CSSFile", "Specify CSS to use for HTML output" do |file|
      options[:html_style] = File.expand_path file
    end

    opts.on "-i IGNOREFILE", "--ignore-config IGNOREFILE", "Use configuration to ignore warnings" do |file|
      options[:ignore_file] = file
    end

    opts.on "-I", "--interactive-ignore", "Interactively ignore warnings" do
      options[:interactive_ignore] = true
    end

    opts.on "-l", "--[no-]combine-locations", "Combine warning locations (Default)" do |combine|
      options[:combine_locations] = combine
    end

    opts.on "--[no-]highlights", "Highlight user input in report" do |highlight|
      options[:highlight_user_input] = highlight
    end

    opts.on "--[no-]color", "Use ANSI colors in report (Default)" do |color|
      if color
        options[:output_color] = :force
      else
        options[:output_color] = color
      end
    end

    opts.on "-m", "--routes", "Report controller information" do
      options[:report_routes] = true
    end

    opts.on "--message-limit LENGTH", "Limit message length in HTML report" do |limit|
      options[:message_limit] = limit.to_i
    end

    opts.on "--[no-]pager", "Use pager for output to terminal (Default)" do |pager|
      options[:pager] = pager
    end

    opts.on "--table-width WIDTH", "Limit table width in text report" do |width|
      options[:table_width] = width.to_i
    end

    opts.on "-o", "--output FILE", "Specify files for output. Defaults to stdout. Multiple '-o's allowed" do |file|
      options[:output_files] ||= []
      options[:output_files].push(file)
    end

    opts.on "--[no-]separate-models", "Warn on each model without attr_accessible (Default)" do |separate|
      options[:collapse_mass_assignment] = !separate
    end

    opts.on "--[no-]summary", "Only output summary of warnings" do |summary_only|
      if summary_only
        options[:summary_only] = :summary_only
      else
        options[:summary_only] = :no_summary
      end
    end

    opts.on "--absolute-paths", "Output absolute file paths in reports" do
      options[:absolute_paths] = true
    end

    opts.on "--github-repo USER/REPO[/PATH][@REF]", "Output links to GitHub in markdown and HTML reports using specified repo" do |repo|
      options[:github_repo] = repo
    end

    opts.on "-w",
      "--confidence-level LEVEL",
      ["1", "2", "3"],
      "Set minimal confidence level (1 - 3)" do |level|

      options[:min_confidence] =  3 - level.to_i
    end

    opts.on "--compare FILE", "Compare the results of a previous Brakeman scan (only JSON is supported)" do |file|
      options[:previous_results_json] = File.expand_path(file)
    end

    opts.separator ""
    opts.separator "Configuration files:"

    opts.on "-c", "--config-file FILE", "Use specified configuration file" do |file|
      options[:config_file] = File.expand_path(file)
    end

    opts.on "-C", "--create-config [FILE]", "Output configuration file based on options" do |file|
      if file
        options[:create_config] = file
      else
        options[:create_config] = true
      end
    end

    opts.on "--allow-check-paths-in-config", "Allow loading checks from configuration file (Unsafe)" do
      options[:allow_check_paths_in_config] = true
    end

    opts.separator ""

    opts.on "-k", "--checks", "List all available vulnerability checks" do
      options[:list_checks] = true
    end

    opts.on "--optional-checks", "List optional checks" do
      options[:list_optional_checks] = true
    end

    opts.on "-v", "--version", "Show Brakeman version" do
      options[:show_version] = true
    end

    opts.on "--force-scan", "Scan application even if rails is not detected" do
      options[:force_scan] = true
    end

    opts.on_tail "-h", "--help", "Display this message" do
      options[:show_help] = true
    end
  end
end

.get_options(args, destructive = false) ⇒ Object

Return hash of options and the parser



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/brakeman/options.rb', line 20

def get_options args, destructive = false
  options = {}

  parser = create_option_parser options

  if destructive
    parser.parse! args
  else
    parser.parse args
  end

  if options[:previous_results_json] and options[:output_files]
    options[:comparison_output_file] = options[:output_files].shift
  end

  return options, parser
end

.parse(args) ⇒ Object

Parse argument array



10
11
12
 
# File 'lib/brakeman/options.rb', line 10

def parse args
  get_options args
end

.parse!(args) ⇒ Object

Parse arguments and remove them from the array as they are matched



15
16
17
 
# File 'lib/brakeman/options.rb', line 15

def parse! args
  get_options args, true
end