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switch to enum for error codes

This commit is contained in:
Kevin Froman 2020-12-21 04:16:58 +00:00
parent 8a74b57724
commit cd723272d4
1 changed files with 34 additions and 18 deletions
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52
rinseoffcli/RinseOffCLI.cs
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@ -1,21 +1,37 @@
using System;
using System.IO;
using System.Text;
using System.Collections.Generic;
using rinseoff;
namespace rinseoffcli
{
class Program
{
public static string version = "0.0.0";
enum ErrorCode : byte
{
InvaildArgs = 1,
NoDataFileFound,
NoPermissionToReadDataFile,
FailedToReadDataFile,
FailedToWriteDataFile,
InvalidKeyFileSize,
InvalidKeyFile,
KeyFileNotFound,
NoPermissionToWriteKeyFile,
FailedToReadKeyFile,
FailedToWriteKeyFile
}
static void showHelp(int exitCode = 1){
static void showHelp(ErrorCode exitCode = ErrorCode.InvaildArgs){
Console.WriteLine("RinseOff " + version + " High level secure-erasure utility");
Console.WriteLine("Must specify keygen <key path> or store/load, then a file name followed by a key file.\nFormat: <verb> <data file> <key file>");
Environment.Exit(exitCode);
Environment.Exit((int) exitCode);
}
static void validateArgCount(string[] args, int count){
if (args.Length != count){
stderrWrite("Invalid number of arguments");
showHelp(2);
showHelp(ErrorCode.InvaildArgs);
}
}
static void stderrWrite(string msg){
@ -34,15 +50,15 @@ namespace rinseoffcli
}
catch(FileNotFoundException){
stderrWrite(file + " is not found");
Environment.Exit(9);
Environment.Exit((int)ErrorCode.NoDataFileFound);
}
catch(UnauthorizedAccessException){
stderrWrite("No permssion to read " + file);
Environment.Exit(10);
Environment.Exit((int)ErrorCode.NoPermissionToReadDataFile);
}
catch(IOException){
stderrWrite("Failed to read " + file);
Environment.Exit(11);
Environment.Exit((int)ErrorCode.FailedToReadDataFile);
}
return bytesToRead;
}
@ -56,11 +72,11 @@ namespace rinseoffcli
}
catch(Sodium.Exceptions.KeyOutOfRangeException){
stderrWrite("Keyfile is not appropriate size for key");
Environment.Exit(4);
Environment.Exit((int)ErrorCode.InvalidKeyFileSize);
}
catch(System.Security.Cryptography.CryptographicException){
stderrWrite("Could not decrypt " + filepath + " with " + keypath);
Environment.Exit(12);
Environment.Exit((int)ErrorCode.InvalidKeyFile);
}
// print the plaintext and exit
foreach(byte b in plaintext){
@ -93,15 +109,15 @@ namespace rinseoffcli
}
catch(FileNotFoundException){
stderrWrite("Key file " + keypath + " does not exist");
Environment.Exit(3);
Environment.Exit((int)ErrorCode.KeyFileNotFound);
}
catch(Sodium.Exceptions.KeyOutOfRangeException){
stderrWrite("Keyfile is not appropriate size for key");
Environment.Exit(4);
Environment.Exit((int)ErrorCode.InvalidKeyFileSize);
}
catch(IOException){
stderrWrite("Failed to read key file " + keypath);
Environment.Exit(5);
Environment.Exit((int)ErrorCode.FailedToReadKeyFile);
}
try{
File.WriteAllBytes(filepath, encryptedInput);
@ -112,11 +128,11 @@ namespace rinseoffcli
}
catch(DirectoryNotFoundException){
stderrWrite("Output path " + filepath + " not found");
Environment.Exit(7);
Environment.Exit((int)ErrorCode.NoDataFileFound);
}
catch(IOException){
stderrWrite("Could not write to " + filepath);
Environment.Exit(8);
Environment.Exit((int)ErrorCode.FailedToWriteDataFile);
}
}
static void Main(string[] args)
@ -133,15 +149,15 @@ namespace rinseoffcli
}
catch(UnauthorizedAccessException){
stderrWrite("Cannot write to key file due to lack of perms " + args[1]);
Environment.Exit(6);
Environment.Exit((int)ErrorCode.NoPermissionToWriteKeyFile);
}
catch(DirectoryNotFoundException){
stderrWrite("Path not found " + args[1]);
Environment.Exit(6);
Environment.Exit((int)ErrorCode.KeyFileNotFound);
}
catch(IOException){
stderrWrite("Path not found " + args[1]);
Environment.Exit(6);
stderrWrite("Error writing keyfile " + args[1]);
Environment.Exit((int)ErrorCode.FailedToWriteKeyFile);
}
break;
case "store":