mirror of
https://github.com/gravitational/teleport.git
synced 2026-11-01 21:52:02 +08:00
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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