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path: root/nslcd_server/func_handlerequest.go.gen
blob: bef29c072b156f002f37e1b9b8c5b0c6a11be2a1 (plain)
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#!/usr/bin/env bash
# -*- Mode: Go -*-
# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA

requests=$1
printf '//'
printf ' %q' "$0" "$@"
printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n'
cat <<EOF | gofmt
package nslcd_server

import (
	"fmt"
	"io"
	"os"

	"golang.org/x/sys/unix"
	p "lukeshu.com/git/go/libnslcd.git/nslcd_proto"
)

var sensitive = "<omitted-from-log>"

// Handle a request to nslcd
func HandleRequest(backend Backend, in io.Reader, out io.Writer, cred unix.Ucred) (err error) {
	err = nil
	defer func() {
		if r := recover(); r != nil {
			switch r := r.(type) {
			case error:
				err = r
			default:
				panic(r)
			}
		}
	}()
	handleRequest(backend, in, out, cred)
	return
}

func handleRequest(backend Backend, in io.Reader, out io.Writer, cred unix.Ucred) {
	var version int32
	p.Read(in, &version)
	if version != p.NSLCD_VERSION {
		panic(p.NslcdError(fmt.Sprintf("Version mismatch: server=%#08x client=%#08x", p.NSLCD_VERSION, version)))
	}
	var action int32
	p.Read(in, &action)

	ch := make(chan interface{})
	switch action {
$(
while read -r request; do
	cat <<EOT
	case p.NSLCD_ACTION_${request^^}:
		var req p.Request_${request}
		p.Read(in, &req)
		$(
		case "$request" in
			PAM_Authentication)
				echo '_req := req'
				echo '_req.Password = sensitive'
				echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", _req)'
				;;
			PAM_PwMod)
				echo '_req := req'
				echo 'if len(_req.OldPassword) > 0 {'
				echo '	_req.OldPassword = sensitive'
				echo '}'
				echo '_req.NewPassword = sensitive'
				echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", _req)'
				;;
			PAM_UserMod)
				echo '_req := req'
				echo '_req.Password = sensitive'
				echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", _req)'
				;;
			*)
				echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", req)'
				;;
		esac
		)
		_ch := backend.${request}(cred, req)
		go func() {
			defer close(ch)
			for obj := range _ch {
				ch <- obj
			}
		}()
EOT
done < "$requests"
)
	default:
		close(ch)
		panic(p.NslcdError(fmt.Sprintf("Unknown request action: %#08x", action)))
	}
	p.Write(out, p.NSLCD_VERSION)
	p.Write(out, action)

	for result := range ch {
		p.Write(out, p.NSLCD_RESULT_BEGIN)
		p.Write(out, result)
	}
	p.Write(out, p.NSLCD_RESULT_END)
}
EOF