diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json new file mode 100644 index 0000000..94e55e4 --- /dev/null +++ b/.devcontainer/devcontainer.json @@ -0,0 +1,15 @@ +{ + "image": "mcr.microsoft.com/devcontainers/universal:2", + "features": { + "ghcr.io/devcontainers-contrib/features/gradle-sdkman:2": { + "version": "latest", + "jdkVersion": "latest", + "jdkDistro": "tem" + }, + "ghcr.io/devcontainers-contrib/features/kotlin-sdkman:2": { + "version": "latest", + "jdkVersion": "latest", + "jdkDistro": "tem" + } + } +} \ No newline at end of file diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml new file mode 100644 index 0000000..f82441f --- /dev/null +++ b/.github/workflows/gradle.yml @@ -0,0 +1,35 @@ +# This workflow uses actions that are not certified by GitHub. +# They are provided by a third-party and are governed by +# separate terms of service, privacy policy, and support +# documentation. +# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time +# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle + +name: Java CI with Gradle + +on: + workflow_dispatch: + push: + branches: [ "master" ] + pull_request: + branches: [ "master" ] + +permissions: + contents: read + +jobs: + build: + + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v3 + - name: Set up JDK 17 + uses: actions/setup-java@v3 + with: + java-version: '17' + distribution: 'temurin' + - name: Build with Gradle + uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1 + with: + arguments: nativeBinaries diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..c4df4b4 --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,40 @@ +plugins { + kotlin("multiplatform") version "1.8.0" +} + +group = "hu.tothlp" +version = "1.0" + +repositories { + mavenCentral() +} + +kotlin { + val hostOs = System.getProperty("os.name") + val isMingwX64 = hostOs.startsWith("Windows") + val nativeTarget = when { + hostOs == "Mac OS X" -> macosX64("native") + hostOs == "Linux" -> linuxX64("native") + isMingwX64 -> mingwX64("native") + else -> throw GradleException("Host OS is not supported in Kotlin/Native.") + } + + nativeTarget.apply { + binaries { + executable { + entryPoint = "hu.tothlp.sshanyi.main" + } + } + } + sourceSets { + val nativeMain by getting { + dependencies { + implementation("com.github.ajalt.clikt:clikt:3.5.2") + implementation("com.squareup.okio:okio:3.3.0") + + } + } + + val nativeTest by getting + } +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..7fc6f1f --- /dev/null +++ b/gradle.properties @@ -0,0 +1 @@ +kotlin.code.style=official diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..41d9927 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..aa991fc --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..aee7a5d --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,3 @@ + +rootProject.name = "SSHanyi" + diff --git a/src/nativeMain/kotlin/hu.tothlp.sshanyi/List.kt b/src/nativeMain/kotlin/hu.tothlp.sshanyi/List.kt new file mode 100644 index 0000000..2d1acec --- /dev/null +++ b/src/nativeMain/kotlin/hu.tothlp.sshanyi/List.kt @@ -0,0 +1,125 @@ +package hu.tothlp.sshanyi + +import com.github.ajalt.clikt.core.CliktCommand +import com.github.ajalt.clikt.core.context +import com.github.ajalt.clikt.output.CliktHelpFormatter +import com.github.ajalt.clikt.parameters.options.* +import okio.FileSystem +import okio.Path +import okio.Path.Companion.toPath +import okio.buffer +import okio.use +import platform.posix.* +import kotlin.collections.List +import kotlin.math.ceil +import kotlinx.cinterop.* + +class List : CliktCommand(help = "List configuration entries") { + private val defaultPadding = 10 + private val config: Path by option(help = "Path for the configuration file.") + .convert("FILE") { + it.toPath().takeIf { FileSystem.SYSTEM.exists(it) } ?: fail("An existing file is required.") + } + .default(getDefaultConfig().toPath()).validate { + if (!FileSystem.SYSTEM.exists(it)) fail("The default config file ($it) does not exist. Create it, or enter a different file. For more info, see --help") + } + + init { + context { helpFormatter = CliktHelpFormatter(showDefaultValues = true, width = 120) } + } + + override fun run() { + readLines(config) + } + + private fun getDefaultConfig(): String = when (Platform.osFamily) { + OsFamily.WINDOWS -> getenv("USERPROFILE")?.toKString()?.plus("\\.ssh\\config") + else -> getenv("HOME")?.toKString()?.plus("/.ssh/config") + }.orEmpty() + + private fun readLines(path: Path) { + var configEntries = mutableListOf() + var currentConfig: SSHConfig? = null + + FileSystem.SYSTEM.source(path).use { fileSource -> + fileSource.buffer().use { bufferedFileSource -> + while (true) { + val line = bufferedFileSource.readUtf8Line() ?: break + val lineParts = line.trim().replace(Regex("\\s{2,}"), "").split(Regex("\\s")) + if (lineParts.size < 2) continue + val configKey = lineParts[0] + val configValue = lineParts[1] + + when (configKey) { + ConfigName.HOST.value -> { + currentConfig = SSHConfig(configValue) + configEntries.add(currentConfig!!) + } + + ConfigName.HOSTNAME.value -> currentConfig?.hostName = configValue + ConfigName.USER.value -> currentConfig?.user = configValue + ConfigName.PORT.value -> currentConfig?.port = configValue.toIntOrNull() + } + + } + } + } + printTable(configEntries) + } + + private fun printTable(entries: List) { + val cellWidthData = calculateCellWidthData(entries) + printHeaders(cellWidthData) + printEntries(entries, cellWidthData) + } + + private fun calculateCellWidthData(entries: List): Map { + val data = mapOf( + ConfigName.HOST to entries.mapNotNull { it.host }.plus(ConfigName.HOST.value).map { it.length } + .maxBy { it }, + ConfigName.HOSTNAME to entries.mapNotNull { it.hostName }.plus(ConfigName.HOSTNAME.value).map { it.length } + .maxBy { it }, + ConfigName.USER to entries.mapNotNull { it.user }.plus(ConfigName.USER.value).map { it.length } + .maxBy { it }, + ConfigName.PORT to entries.mapNotNull { it.port.toStringOrEmpty() }.plus(ConfigName.PORT.value) + .map { it.length }.maxBy { it }, + ) + return data + } + + private fun printHeaders(cellWidthData: Map) { + val headers = ConfigName.values().map { it.value.leftText(cellWidthData[it]) } + val preHeader = ConfigName.values().map { "".leftText(cellWidthData[it], '-') } + + echo(preHeader.joinToString("+", "+", postfix = "+")) + echo(headers.joinToString("|", "|", postfix = "|")) + echo(preHeader.joinToString("+", "+", postfix = "+")) + } + + private fun printEntries(entries: List, cellWidthData: Map) { + val hostPadSize = cellWidthData[ConfigName.HOST] + val hostNamePadSize = cellWidthData[ConfigName.HOSTNAME] + val userPadSize = cellWidthData[ConfigName.USER] + val portPadSize = cellWidthData[ConfigName.USER] + val formattedEntries = entries.map { + "|${it.host.leftText(hostPadSize)}|${it.hostName.leftText(hostNamePadSize)}|${it.user.leftText(userPadSize)}|${ + it.port.toStringOrEmpty().rightText(portPadSize) + }|" + } + formattedEntries.forEach { echo(it) } + + val footer = ConfigName.values().map { "".leftText(cellWidthData[it], '-') } + echo(footer.joinToString("+", "+", postfix = "+")) + } + + private fun String?.leftText(padSize: Int?, padChar: Char? = ' '): String = this.orEmpty().let { + "$padChar$it$padChar".padEnd(ceil((padSize?.takeIf { it > defaultPadding } ?: defaultPadding) * 1.3).toInt(), + padChar ?: ' ') + } + + private fun String?.rightText(padSize: Int?, padChar: Char? = ' '): String = this.orEmpty().let { + "$padChar$it$padChar".padStart(ceil((padSize?.takeIf { it > defaultPadding } ?: defaultPadding) * 1.3).toInt(), + padChar ?: ' ') + } + +} \ No newline at end of file diff --git a/src/nativeMain/kotlin/hu.tothlp.sshanyi/Main.kt b/src/nativeMain/kotlin/hu.tothlp.sshanyi/Main.kt new file mode 100644 index 0000000..6fd8f76 --- /dev/null +++ b/src/nativeMain/kotlin/hu.tothlp.sshanyi/Main.kt @@ -0,0 +1,29 @@ +package hu.tothlp.sshanyi + +import com.github.ajalt.clikt.core.CliktCommand +import com.github.ajalt.clikt.core.subcommands +import com.github.ajalt.clikt.parameters.options.versionOption + +class SSHanyi : CliktCommand(name = "SSHanyi") { + + init { + versionOption("1.0") + } + override fun run() { + echo(""" + _____ _____ _ _ _ +/ ___/ ___| | | | (_) +\ `--.\ `--.| |_| | __ _ _ __ _ _ _ + `--. \`--. \ _ |/ _` | '_ \| | | | | +/\__/ /\__/ / | | | (_| | | | | |_| | | +\____/\____/\_| |_/\__,_|_| |_|\__, |_| + __/ | + |___/ + """.trimIndent()) + SSHanyi().commandHelp + } +} + +fun main(args: Array) = SSHanyi().subcommands( + List() +).main(args) \ No newline at end of file diff --git a/src/nativeMain/kotlin/hu.tothlp.sshanyi/SSHConfig.kt b/src/nativeMain/kotlin/hu.tothlp.sshanyi/SSHConfig.kt new file mode 100644 index 0000000..873ed84 --- /dev/null +++ b/src/nativeMain/kotlin/hu.tothlp.sshanyi/SSHConfig.kt @@ -0,0 +1,17 @@ +package hu.tothlp.sshanyi + +data class SSHConfig( + var host: String? = null, + var hostName: String? = null, + var user: String? = null, + var port: Int? = null +) + +enum class ConfigName(val value: String) { + HOST("Host"), + HOSTNAME("HostName"), + USER("User"), + PORT("Port"), +} + +fun Int?.toStringOrEmpty(): String = this?.toString() ?: "" \ No newline at end of file