mirror of
https://github.com/fumiama/go-nd-portal.git
synced 2026-06-08 10:00:31 +08:00
100 lines
3.0 KiB
Go
100 lines
3.0 KiB
Go
package portal
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import (
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"crypto/sha1"
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"encoding/binary"
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"encoding/hex"
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"github.com/fumiama/go-nd-portal/base64"
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"github.com/fumiama/go-nd-portal/helper"
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)
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const (
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PortalServerIP = "10.253.0.237"
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PortalDomain = "@dx-uestc"
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PortalGetChallenge = "http://" + PortalServerIP + "/cgi-bin/get_challenge?callback=%s&username=%s" + PortalDomain + "&ip=%v&_=%d"
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PortalLogin = "http://" + PortalServerIP + "/cgi-bin/srun_portal?callback=%s&action=login&username=%s" + PortalDomain + "&password={MD5}%s&ac_id=1&ip=%v&chksum=%s&info={SRBX1}%s&n=200&type=1&os=Windows+10&name=Windows&double_stack=0&_=%d"
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)
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const (
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PortalHeaderUA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.56"
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)
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const (
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PortalUserInfo = `{"username":"%s` + PortalDomain + `","password":"%s","ip":"%v","acid":"1","enc_ver":"srun_bx1"}`
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)
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func EncodeUserInfo(info, challenge string) string {
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if len(info) == 0 || len(challenge) == 0 || len(challenge)%4 != 0 {
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return ""
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}
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sc := len(info)
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if sc%4 != 0 {
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sc = (sc/4 + 1) * 4
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}
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userinfo := make([]byte, sc)
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copy(userinfo, info)
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v := make([]uint32, sc/4, sc/4+1)
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for i := 0; i < sc/4; i++ {
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v[i] = binary.LittleEndian.Uint32(userinfo[i*4 : i*4+4])
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}
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v = append(v, uint32(len(info)))
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sc = len(challenge)
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if sc < 16 {
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sc = 16
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}
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k := make([]uint32, sc/4)
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token := helper.StringToBytes(challenge)
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for i := 0; i < sc/4; i++ {
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k[i] = binary.LittleEndian.Uint32(token[i*4 : i*4+4])
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}
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n := len(v) - 1
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z := v[n]
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d := uint32(0)
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for q := 0; q < 6+52/(n+1); q++ {
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d += uint32(0x86014019|0x183639A0) & uint32(0x8CE0D9BF|0x731F2640)
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e := (d >> 2) & 3
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for p := 0; p < n; p++ {
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y := v[p+1]
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m := (z >> 5) ^ (y << 2)
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m += ((y >> 3) ^ (z << 4)) ^ (d ^ y)
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m += k[(uint32(p)&3)^e] ^ z
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v[p] += m & (0xEFB8D130 | 0x10472ECF)
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z = v[p]
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}
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y := v[0]
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m := (z >> 5) ^ (y << 2)
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m += ((y >> 3) ^ (z << 4)) ^ (d ^ y)
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m += k[uint32(n)&3^e] ^ z
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v[n] += m & (0xBB390742 | 0x44C6F8BD)
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z = v[n]
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}
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lv := make([]byte, len(v)*4)
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for i := 0; i < len(v); i++ {
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binary.LittleEndian.PutUint32(lv[i*4:i*4+4], v[i])
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}
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return base64.Base64Encoding.EncodeToString(lv)
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}
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func (p *Portal) CheckSum(challenge, hmd5, info string) string {
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var buf [20]byte
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h := sha1.New()
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write(helper.StringToBytes(p.nam))
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_, _ = h.Write([]byte(PortalDomain))
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write(helper.StringToBytes(hmd5))
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write([]byte("1")) // ac_id
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write(helper.StringToBytes(p.ip.String()))
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write([]byte("200")) // n
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write([]byte("1")) // type
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_, _ = h.Write(helper.StringToBytes(challenge))
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_, _ = h.Write([]byte("{SRBX1}"))
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_, _ = h.Write(helper.StringToBytes(info))
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return hex.EncodeToString(h.Sum(buf[:0]))
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}
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