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Revert "AUTH-1941: Adds initial SSH server implementation"

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This reverts commit e9c9bf3cbd.
This commit is contained in:
Michael Borkenstein
2019-08-20 17:19:39 -05:00
parent 026f2d1cc9
commit 47254113ee
62 changed files with 9 additions and 3372 deletions
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1
vendor/github.com/anmitsu/go-shlex/.gitignore generated vendored
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shlex.test

20
vendor/github.com/anmitsu/go-shlex/LICENSE generated vendored
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Copyright (c) anmitsu <anmitsu.s@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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vendor/github.com/anmitsu/go-shlex/README.md generated vendored
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# go-shlex
go-shlex is a library to make a lexical analyzer like Unix shell for
Go.
## Install
go get -u "github.com/anmitsu/go-shlex"
## Usage
```go
package main
import (
"fmt"
"log"
"github.com/anmitsu/go-shlex"
)
func main() {
cmd := `cp -Rdp "file name" 'file name2' dir\ name`
words, err := shlex.Split(cmd, true)
if err != nil {
log.Fatal(err)
}
for _, w := range words {
fmt.Println(w)
}
}
```
## Documentation
http://godoc.org/github.com/anmitsu/go-shlex

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vendor/github.com/anmitsu/go-shlex/shlex.go generated vendored
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// Package shlex provides a simple lexical analysis like Unix shell.
package shlex
import (
"bufio"
"errors"
"io"
"strings"
"unicode"
)
var (
ErrNoClosing = errors.New("No closing quotation")
ErrNoEscaped = errors.New("No escaped character")
)
// Tokenizer is the interface that classifies a token according to
// words, whitespaces, quotations, escapes and escaped quotations.
type Tokenizer interface {
IsWord(rune) bool
IsWhitespace(rune) bool
IsQuote(rune) bool
IsEscape(rune) bool
IsEscapedQuote(rune) bool
}
// DefaultTokenizer implements a simple tokenizer like Unix shell.
type DefaultTokenizer struct{}
func (t *DefaultTokenizer) IsWord(r rune) bool {
return r == '_' || unicode.IsLetter(r) || unicode.IsNumber(r)
}
func (t *DefaultTokenizer) IsQuote(r rune) bool {
switch r {
case '\'', '"':
return true
default:
return false
}
}
func (t *DefaultTokenizer) IsWhitespace(r rune) bool {
return unicode.IsSpace(r)
}
func (t *DefaultTokenizer) IsEscape(r rune) bool {
return r == '\\'
}
func (t *DefaultTokenizer) IsEscapedQuote(r rune) bool {
return r == '"'
}
// Lexer represents a lexical analyzer.
type Lexer struct {
reader *bufio.Reader
tokenizer Tokenizer
posix bool
whitespacesplit bool
}
// NewLexer creates a new Lexer reading from io.Reader. This Lexer
// has a DefaultTokenizer according to posix and whitespacesplit
// rules.
func NewLexer(r io.Reader, posix, whitespacesplit bool) *Lexer {
return &Lexer{
reader: bufio.NewReader(r),
tokenizer: &DefaultTokenizer{},
posix: posix,
whitespacesplit: whitespacesplit,
}
}
// NewLexerString creates a new Lexer reading from a string. This
// Lexer has a DefaultTokenizer according to posix and whitespacesplit
// rules.
func NewLexerString(s string, posix, whitespacesplit bool) *Lexer {
return NewLexer(strings.NewReader(s), posix, whitespacesplit)
}
// Split splits a string according to posix or non-posix rules.
func Split(s string, posix bool) ([]string, error) {
return NewLexerString(s, posix, true).Split()
}
// SetTokenizer sets a Tokenizer.
func (l *Lexer) SetTokenizer(t Tokenizer) {
l.tokenizer = t
}
func (l *Lexer) Split() ([]string, error) {
result := make([]string, 0)
for {
token, err := l.readToken()
if token != "" {
result = append(result, token)
}
if err == io.EOF {
break
} else if err != nil {
return result, err
}
}
return result, nil
}
func (l *Lexer) readToken() (string, error) {
t := l.tokenizer
token := ""
quoted := false
state := ' '
escapedstate := ' '
scanning:
for {
next, _, err := l.reader.ReadRune()
if err != nil {
if t.IsQuote(state) {
return token, ErrNoClosing
} else if t.IsEscape(state) {
return token, ErrNoEscaped
}
return token, err
}
switch {
case t.IsWhitespace(state):
switch {
case t.IsWhitespace(next):
break scanning
case l.posix && t.IsEscape(next):
escapedstate = 'a'
state = next
case t.IsWord(next):
token += string(next)
state = 'a'
case t.IsQuote(next):
if !l.posix {
token += string(next)
}
state = next
default:
token = string(next)
if l.whitespacesplit {
state = 'a'
} else if token != "" || (l.posix && quoted) {
break scanning
}
}
case t.IsQuote(state):
quoted = true
switch {
case next == state:
if !l.posix {
token += string(next)
break scanning
} else {
state = 'a'
}
case l.posix && t.IsEscape(next) && t.IsEscapedQuote(state):
escapedstate = state
state = next
default:
token += string(next)
}
case t.IsEscape(state):
if t.IsQuote(escapedstate) && next != state && next != escapedstate {
token += string(state)
}
token += string(next)
state = escapedstate
case t.IsWord(state):
switch {
case t.IsWhitespace(next):
if token != "" || (l.posix && quoted) {
break scanning
}
case l.posix && t.IsQuote(next):
state = next
case l.posix && t.IsEscape(next):
escapedstate = 'a'
state = next
case t.IsWord(next) || t.IsQuote(next):
token += string(next)
default:
if l.whitespacesplit {
token += string(next)
} else if token != "" {
l.reader.UnreadRune()
break scanning
}
}
}
}
return token, nil
}