mirror of
https://github.com/gravitational/teleport
synced 2024-10-22 18:23:25 +00:00
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
/*
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Copyright 2019 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"regexp"
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"strings"
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"github.com/gravitational/trace"
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)
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var reProxyJump = regexp.MustCompile(
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// optional username, note that outside group
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`(?:(?P<username>[^\:]+)@)?(?P<hostport>[^\@]+)`,
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)
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// JumpHost is a target jump host
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type JumpHost struct {
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// Username to login as
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Username string
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// Addr is a target addr
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Addr NetAddr
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}
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// ParseProxyJump parses strings like user@host:port,bob@host:port
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func ParseProxyJump(in string) ([]JumpHost, error) {
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if in == "" {
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return nil, trace.BadParameter("missing proxyjump")
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}
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parts := strings.Split(in, ",")
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out := make([]JumpHost, 0, len(parts))
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for _, part := range parts {
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match := reProxyJump.FindStringSubmatch(strings.TrimSpace(part))
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if len(match) == 0 {
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return nil, trace.BadParameter("could not parse %q, expected format user@host:port,user@host:port", in)
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}
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addr, err := ParseAddr(match[2])
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if err != nil {
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return nil, trace.Wrap(err)
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}
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out = append(out, JumpHost{Username: match[1], Addr: *addr})
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}
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return out, nil
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}
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