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	 3d51642037
			
		
	
	
		3d51642037
		
	
	
	
	
		
			
			Replacement conditions for `requires_argument` have been chosen based on what would be most convenient for implementing an eventual optional argument mode.
		
			
				
	
	
		
			70 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020-2022, the SerenityOS developers.
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibCore/ArgsParser.h>
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| #include <LibCore/System.h>
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| #include <LibMain/Main.h>
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| #include <limits.h>
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| #include <unistd.h>
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| 
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| ErrorOr<int> serenity_main(Main::Arguments arguments)
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| {
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|     Vector<StringView> paths_to_test;
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|     StringView permissions = "r"sv;
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|     bool should_sleep = false;
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| 
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|     Core::ArgsParser parser;
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|     parser.add_option(permissions, "Apply these permissions going forward", "permissions", 'p', "unveil-permissions");
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|     parser.add_option(should_sleep, "Sleep after processing all arguments", "sleep", 's');
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|     parser.add_option(Core::ArgsParser::Option {
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|         .argument_mode = Core::ArgsParser::OptionArgumentMode::Required,
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|         .help_string = "Add a path to the unveil list",
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|         .long_name = "unveil",
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|         .short_name = 'u',
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|         .value_name = "path",
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|         .accept_value = [&](auto* s) {
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|             StringView path { s, strlen(s) };
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|             if (path.is_empty())
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|                 return false;
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|             auto maybe_error = Core::System::unveil(path, permissions);
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|             if (maybe_error.is_error()) {
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|                 warnln("{}", maybe_error.error());
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|                 return false;
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|             }
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|             return true;
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|         } });
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|     parser.add_option(Core::ArgsParser::Option {
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|         .argument_mode = Core::ArgsParser::OptionArgumentMode::None,
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|         .help_string = "Lock the veil",
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|         .long_name = "lock",
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|         .short_name = 'l',
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|         .accept_value = [&](auto*) {
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|             auto maybe_error = Core::System::unveil(nullptr, nullptr);
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|             if (maybe_error.is_error()) {
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|                 warnln("unveil(nullptr, nullptr): {}", maybe_error.error());
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|                 return false;
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|             }
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|             return true;
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|         } });
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|     parser.add_positional_argument(Core::ArgsParser::Arg {
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|         .help_string = "Test a path against the veil",
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|         .name = "path",
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|         .min_values = 0,
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|         .max_values = INT_MAX,
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|         .accept_value = [&](auto* s) {
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|             auto maybe_error = Core::System::access({ s, strlen(s) }, X_OK);
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|             if (maybe_error.is_error())
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|                 warnln("'{}' - fail: {}", s, maybe_error.error());
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|             else
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|                 warnln("'{}' - ok", s);
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|             return true;
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|         } });
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| 
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|     parser.parse(arguments);
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|     if (should_sleep)
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|         sleep(INT_MAX);
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|     return 0;
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| }
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