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forked from x/icebergs
icebergs/misc/ssh/connect.go
2021-10-14 13:04:06 +08:00

224 lines
7.1 KiB
Go

package ssh
import (
"fmt"
"io"
"net"
"os"
"path"
"strings"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/terminal"
ice "shylinux.com/x/icebergs"
"shylinux.com/x/icebergs/base/aaa"
"shylinux.com/x/icebergs/base/cli"
"shylinux.com/x/icebergs/base/gdb"
"shylinux.com/x/icebergs/base/mdb"
"shylinux.com/x/icebergs/base/nfs"
"shylinux.com/x/icebergs/base/tcp"
kit "shylinux.com/x/toolkits"
)
func _ssh_open(m *ice.Message, arg ...string) {
_ssh_dial(m, func(c net.Conn) {
// 保存界面
fd := int(os.Stdin.Fd())
if oldState, err := terminal.MakeRaw(fd); err == nil {
defer terminal.Restore(fd, oldState)
}
// 设置宽高
w, h, _ := terminal.GetSize(fd)
c.Write([]byte(fmt.Sprintf("#height:%d,width:%d\n", h, w)))
// 初始命令
for _, item := range kit.Simple(m.Optionv(kit.MDB_LIST)) {
m.Sleep("500ms")
c.Write([]byte(item + "\n"))
}
m.Go(func() { io.Copy(c, os.Stdin) })
io.Copy(os.Stdout, c)
}, arg...)
}
func _ssh_dial(m *ice.Message, cb func(net.Conn), arg ...string) {
p := path.Join(os.Getenv(cli.HOME), ".ssh/", fmt.Sprintf("%s@%s:%s", m.Option(aaa.USERNAME), m.Option(tcp.HOST), m.Option(tcp.PORT)))
if _, e := os.Stat(p); e == nil {
if c, e := net.Dial("unix", p); e == nil {
cb(c) // 会话连接
return
}
os.Remove(p)
}
_ssh_conn(m, func(client *ssh.Client) {
if l, e := net.Listen("unix", p); m.Assert(e) {
defer func() { os.Remove(p) }()
defer l.Close()
m.Go(func() {
for {
c, e := l.Accept()
if e != nil {
break
}
func(c net.Conn) {
w, h, _ := terminal.GetSize(int(os.Stdin.Fd()))
buf := make([]byte, ice.MOD_BUFS)
if n, e := c.Read(buf); m.Assert(e) {
fmt.Sscanf(string(buf[:n]), "#height:%d,width:%d", &h, &w)
}
m.Go(func() {
defer c.Close()
session, e := client.NewSession()
if e != nil {
return
}
session.Stdin = c
session.Stdout = c
session.Stderr = c
session.RequestPty(os.Getenv("TERM"), h, w, ssh.TerminalModes{
ssh.ECHO: 1,
ssh.TTY_OP_ISPEED: 14400,
ssh.TTY_OP_OSPEED: 14400,
})
gdb.SignalNotify(m, 28, func() {
w, h, _ := terminal.GetSize(int(os.Stdin.Fd()))
session.WindowChange(h, w)
})
session.Shell()
session.Wait()
})
}(c)
}
})
}
if c, e := net.Dial("unix", p); e == nil {
cb(c) // 会话连接
}
}, arg...)
}
func _ssh_conn(m *ice.Message, cb func(*ssh.Client), arg ...string) {
methods := []ssh.AuthMethod{}
methods = append(methods, ssh.KeyboardInteractive(func(user, instruction string, questions []string, echos []bool) (res []string, err error) {
for _, q := range questions {
p := strings.TrimSpace(strings.ToLower(q))
switch {
case strings.HasSuffix(p, "verification code:"):
if verify := m.Option("verify"); verify == "" {
fmt.Printf(q)
fmt.Scanf("%s\n", &verify)
res = append(res, verify)
} else {
res = append(res, aaa.TOTP_GET(verify, 6, 30))
}
case strings.HasSuffix(p, "password:"):
res = append(res, m.Option(aaa.PASSWORD))
default:
}
}
return
}))
methods = append(methods, ssh.PublicKeysCallback(func() ([]ssh.Signer, error) {
key, err := ssh.ParsePrivateKey([]byte(m.Cmdx(nfs.CAT, path.Join(os.Getenv(cli.HOME), m.Option(PRIVATE)))))
return []ssh.Signer{key}, err
}))
methods = append(methods, ssh.PasswordCallback(func() (string, error) {
return m.Option(aaa.PASSWORD), nil
}))
m.Option(kit.Keycb(tcp.DIAL), func(c net.Conn) {
conn, chans, reqs, err := ssh.NewClientConn(c, m.Option(tcp.HOST)+":"+m.Option(tcp.PORT), &ssh.ClientConfig{
User: m.Option(aaa.USERNAME), Auth: methods, BannerCallback: func(message string) error { return nil },
HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error { return nil },
})
m.Assert(err)
cb(ssh.NewClient(conn, chans, reqs))
})
m.Cmdy(tcp.CLIENT, tcp.DIAL, kit.MDB_TYPE, SSH, kit.MDB_NAME, m.Option(tcp.HOST),
tcp.PORT, m.Option(tcp.PORT), tcp.HOST, m.Option(tcp.HOST), arg)
}
const CONNECT = "connect"
func init() {
Index.Merge(&ice.Context{
Configs: map[string]*ice.Config{
CONNECT: {Name: CONNECT, Help: "连接", Value: kit.Data()},
},
Commands: map[string]*ice.Command{
ice.CTX_INIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
m.Richs(CONNECT, "", kit.MDB_FOREACH, func(key string, value map[string]interface{}) {
if value = kit.GetMeta(value); kit.Value(value, kit.MDB_STATUS) == tcp.OPEN {
m.Cmd(CONNECT, tcp.DIAL, aaa.USERNAME, value[aaa.USERNAME], kit.MDB_HASH, key, value)
}
})
}},
CONNECT: {Name: "connect hash auto dial prunes", Help: "连接", Action: map[string]*ice.Action{
tcp.OPEN: {Name: "open authfile username=shy password verfiy host=shylinux.com port=22 private=.ssh/id_rsa", Help: "终端", Hand: func(m *ice.Message, arg ...string) {
_ssh_open(m.OptionLoad(m.Option("authfile")), arg...)
m.Echo("exit %v:%v\n", m.Option(tcp.HOST), m.Option(tcp.PORT))
}},
tcp.DIAL: {Name: "dial username=shy host=shylinux.com port=22 private=.ssh/id_rsa", Help: "添加", Hand: func(m *ice.Message, arg ...string) {
m.Go(func() {
_ssh_conn(m, func(client *ssh.Client) {
h := m.Option(kit.MDB_HASH)
if h == "" {
h = m.Rich(CONNECT, "", kit.Dict(
aaa.USERNAME, m.Option(aaa.USERNAME),
tcp.HOST, m.Option(tcp.HOST), tcp.PORT, m.Option(tcp.PORT),
kit.MDB_STATUS, tcp.OPEN, CONNECT, client,
))
} else {
m.Conf(CONNECT, kit.Keys(kit.MDB_HASH, h, CONNECT), client)
}
m.Cmd(CONNECT, SESSION, kit.MDB_HASH, h)
}, arg...)
})
m.ProcessRefresh("300ms")
}},
mdb.REMOVE: {Name: "remove", Help: "删除", Hand: func(m *ice.Message, arg ...string) {
m.Cmdy(mdb.DELETE, CONNECT, "", mdb.HASH, kit.MDB_HASH, m.Option(kit.MDB_HASH))
}},
mdb.PRUNES: {Name: "prunes", Help: "清理", Hand: func(m *ice.Message, arg ...string) {
m.Option(mdb.FIELDS, "time,hash,status,username,host,port")
m.Cmdy(mdb.PRUNES, CONNECT, "", mdb.HASH, kit.MDB_STATUS, tcp.ERROR)
m.Cmdy(mdb.PRUNES, CONNECT, "", mdb.HASH, kit.MDB_STATUS, tcp.CLOSE)
}},
SESSION: {Name: "session hash", Help: "会话", Hand: func(m *ice.Message, arg ...string) {
var client *ssh.Client
m.Richs(CONNECT, "", m.Option(kit.MDB_HASH), func(key string, value map[string]interface{}) {
client, _ = value[CONNECT].(*ssh.Client)
})
h := m.Rich(SESSION, "", kit.Data(kit.MDB_STATUS, tcp.OPEN, CONNECT, m.Option(kit.MDB_HASH)))
if session, e := _ssh_session(m, h, client); m.Assert(e) {
session.Shell()
session.Wait()
}
m.Echo(h)
}},
}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
m.Fields(len(arg), "time,hash,status,username,host,port")
if m.Cmdy(mdb.SELECT, CONNECT, "", mdb.HASH, kit.MDB_HASH, arg); len(arg) == 0 {
m.Table(func(index int, value map[string]string, head []string) {
m.PushButton(kit.Select("", SESSION, value[kit.MDB_STATUS] == tcp.OPEN), mdb.REMOVE)
})
}
}},
},
})
}