/usr/share/gocode/src/github.com/dylanmei/winrmtest/wsman.go is in golang-github-dylanmei-winrmtest-dev 0.0~git20151226.0256178-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | package winrmtest
import (
"bytes"
"encoding/base64"
"fmt"
"net/http"
"strconv"
"strings"
"github.com/masterzen/winrm/soap"
"github.com/masterzen/xmlpath"
"github.com/satori/go.uuid"
)
type wsman struct {
commands []*command
identitySeed int
}
type command struct {
id string
matcher MatcherFunc
handler CommandFunc
}
func (w *wsman) HandleCommand(m MatcherFunc, f CommandFunc) string {
id := uuid.NewV4().String()
w.commands = append(w.commands, &command{
id: id,
matcher: m,
handler: f,
})
return id
}
func (w *wsman) CommandByText(cmd string) *command {
for _, c := range w.commands {
if c.matcher(cmd) {
return c
}
}
return nil
}
func (w *wsman) CommandByID(id string) *command {
for _, c := range w.commands {
if c.id == id {
return c
}
}
return nil
}
func (w *wsman) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
rw.Header().Add("Content-Type", "application/soap+xml")
defer r.Body.Close()
env, err := xmlpath.Parse(r.Body)
if err != nil {
return
}
action := readAction(env)
switch {
case strings.HasSuffix(action, "transfer/Create"):
// create a new shell
rw.Write([]byte(`
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope" xmlns:rsp="http://schemas.microsoft.com/wbem/wsman/1/windows/shell">
<rsp:ShellId>123</rsp:ShellId>
</env:Envelope>`))
case strings.HasSuffix(action, "shell/Command"):
// execute on behalf of the client
text := readCommand(env)
cmd := w.CommandByText(text)
if cmd == nil {
fmt.Printf("I don't know this command: Command=%s\n", text)
rw.WriteHeader(http.StatusInternalServerError)
return
}
rw.Write([]byte(fmt.Sprintf(`
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope" xmlns:rsp="http://schemas.microsoft.com/wbem/wsman/1/windows/shell">
<rsp:CommandId>%s</rsp:CommandId>
</env:Envelope>`, cmd.id)))
case strings.HasSuffix(action, "shell/Receive"):
// client ready to receive the results
id := readCommandIDFromDesiredStream(env)
cmd := w.CommandByID(id)
if cmd == nil {
fmt.Printf("I don't know this command: CommandId=%s\n", id)
rw.WriteHeader(http.StatusInternalServerError)
return
}
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
result := cmd.handler(stdout, stderr)
content := base64.StdEncoding.EncodeToString(stdout.Bytes())
rw.Write([]byte(fmt.Sprintf(`
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope" xmlns:rsp="http://schemas.microsoft.com/wbem/wsman/1/windows/shell">
<rsp:ReceiveResponse>
<rsp:Stream Name="stdout" CommandId="%s">%s</rsp:Stream>
<rsp:Stream Name="stdout" CommandId="%s" End="true"></rsp:Stream>
<rsp:Stream Name="stderr" CommandId="%s" End="true"></rsp:Stream>
<rsp:CommandState State="http://schemas.microsoft.com/wbem/wsman/1/windows/shell/CommandState/Done">
<rsp:ExitCode>%d</rsp:ExitCode>
</rsp:CommandState>
</rsp:ReceiveResponse>
</env:Envelope>`, id, content, id, id, result)))
case strings.HasSuffix(action, "shell/Signal"):
// end of the shell command
rw.WriteHeader(http.StatusOK)
case strings.HasSuffix(action, "transfer/Delete"):
// end of the session
rw.WriteHeader(http.StatusOK)
default:
fmt.Printf("I don't know this action: %s\n", action)
rw.WriteHeader(http.StatusInternalServerError)
}
}
func readAction(env *xmlpath.Node) string {
xpath, err := xmlpath.CompileWithNamespace(
"//a:Action", soap.GetAllNamespaces())
if err != nil {
return ""
}
action, _ := xpath.String(env)
return action
}
func readCommand(env *xmlpath.Node) string {
xpath, err := xmlpath.CompileWithNamespace(
"//rsp:Command", soap.GetAllNamespaces())
if err != nil {
return ""
}
command, _ := xpath.String(env)
if unquoted, err := strconv.Unquote(command); err == nil {
return unquoted
}
return command
}
func readCommandIDFromDesiredStream(env *xmlpath.Node) string {
xpath, err := xmlpath.CompileWithNamespace(
"//rsp:DesiredStream/@CommandId", soap.GetAllNamespaces())
if err != nil {
return ""
}
id, _ := xpath.String(env)
return id
}
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