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fix: harden address parsing edge cases

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This commit is contained in:
ZacharyZcR
2026-06-01 04:03:46 +08:00
parent 8ec96bfe6d
commit 569d21a8bc
43 changed files with 273 additions and 137 deletions
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plugins/services/jdwp.go
+9 -6
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@@ -5,7 +5,6 @@ package services
import (
"bytes"
"context"
"fmt"
"io"
"time"
@@ -29,7 +28,7 @@ func (p *JDWPPlugin) Scan(ctx context.Context, info *common.HostInfo, session *c
timeout = 3 * time.Second
}
addr := fmt.Sprintf("%s:%d", info.Host, info.Port)
addr := info.Target()
conn, err := session.DialTCP(ctx, "tcp", addr, timeout)
if err != nil {
return &ScanResult{Success: false, Service: "jdwp"}
@@ -57,16 +56,20 @@ func (p *JDWPPlugin) Scan(ctx context.Context, info *common.HostInfo, session *c
}
}
func (p *JDWPPlugin) getVersion(conn interface{ Read([]byte) (int, error); Write([]byte) (int, error); SetDeadline(time.Time) error }, timeout time.Duration) string {
func (p *JDWPPlugin) getVersion(conn interface {
Read([]byte) (int, error)
Write([]byte) (int, error)
SetDeadline(time.Time) error
}, timeout time.Duration) string {
_ = conn.SetDeadline(time.Now().Add(timeout))
// JDWP Version command: length=11, id=1, flags=0, commandSet=1, command=1
pkt := []byte{
0x00, 0x00, 0x00, 0x0b, // length = 11
0x00, 0x00, 0x00, 0x01, // id = 1
0x00, // flags = 0 (request)
0x01, // commandSet = 1 (VirtualMachine)
0x01, // command = 1 (Version)
0x00, // flags = 0 (request)
0x01, // commandSet = 1 (VirtualMachine)
0x01, // command = 1 (Version)
}
if _, err := conn.Write(pkt); err != nil {
return ""