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Add Vaydns null and caa record types #84

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4ff02af
Update CLI.md
MahdiAkrami01 Apr 11, 2026
4472f5c
Update validation.go
MahdiAkrami01 Apr 11, 2026
6a15cf0
Update tunnel.go
MahdiAkrami01 Apr 11, 2026
2780f71
Update CONFIGURATION.md
MahdiAkrami01 Apr 11, 2026
9339919
Update tunnel.go
MahdiAkrami01 Apr 11, 2026
95f5c39
Update tunnel_add.go
MahdiAkrami01 Apr 11, 2026
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2 changes: 1 addition & 1 deletion docs/CLI.md
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ dnstm tunnel add -t my-tunnel \
| `--kcp-window-size` | VayDNS: KCP window size (default: queue_size/2) |
| `--queue-overflow` | VayDNS: queue overflow strategy (`drop` or `block`) |
| `--log-level` | VayDNS: server log level (debug, info, warning, error) |
| `--record-type` | VayDNS: DNS record type (txt, cname, a, aaaa, mx, ns, srv) |
| `--record-type` | VayDNS: DNS record type (txt, null, cname, a, aaaa, mx, ns, srv, caa) |

### Tunnel Share Flags

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2 changes: 1 addition & 1 deletion docs/CONFIGURATION.md
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Expand Up @@ -240,7 +240,7 @@ VayDNS with dnstt-compatible wire format:
| `kcp_window_size` | int | 0 | KCP window size (0 = queue_size/2, must be ≤ queue_size) |
| `queue_overflow` | string | `drop` | Queue overflow strategy: `drop` or `block` |
| `log_level` | string | `info` | Server log level: `debug`, `info`, `warning`, `error` |
| `record_type` | string | `txt` | DNS record type: `txt`, `cname`, `a`, `aaaa`, `mx`, `ns`, `srv` (must be `txt` when dnstt_compat is enabled) |
| `record_type` | string | `txt` | DNS record type: `txt`, `null`, `cname`, `a`, `aaaa`, `mx`, `ns`, `srv`, `caa` (must be `txt` when dnstt_compat is enabled) |

**Note:** VayDNS does not support the `shadowsocks` backend type.

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4 changes: 2 additions & 2 deletions internal/actions/tunnel.go
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Expand Up @@ -375,9 +375,9 @@ func init() {
},
{
Name: "record-type",
Label: "VayDNS record type (txt, cname, a, aaaa, mx, ns, srv)",
Label: "VayDNS record type (txt, null, cname, a, aaaa, mx, ns, srv, caa)",
Type: InputTypeText,
Description: "DNS record type (txt, cname, a, aaaa, mx, ns, srv). Default: txt. Cannot use non-txt with --dnstt-compat",
Description: "DNS record type (txt, null, cname, a, aaaa, mx, ns, srv, caa). Default: txt. Cannot use non-txt with --dnstt-compat",
ShowIf: func(ctx *Context) bool {
return !ctx.IsInteractive && config.TransportType(ctx.GetString("transport")) == config.TransportVayDNS
},
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2 changes: 1 addition & 1 deletion internal/config/tunnel.go
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Expand Up @@ -51,7 +51,7 @@ type VayDNSConfig struct {
}

// ValidVayDNSRecordTypes returns the valid record types for VayDNS.
var ValidVayDNSRecordTypes = []string{"txt", "cname", "a", "aaaa", "mx", "ns", "srv"}
var ValidVayDNSRecordTypes = []string{"txt", "null", "cname", "a", "aaaa", "mx", "ns", "srv", "caa"}

// ResolvedVayDNSIdleTimeout returns the idle-timeout string for vaydns-server, applying defaults when empty.
func (v *VayDNSConfig) ResolvedVayDNSIdleTimeout() string {
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2 changes: 1 addition & 1 deletion internal/config/validation.go
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Expand Up @@ -211,7 +211,7 @@ func (c *Config) validateTunnels() error {
}
}
if !validRT {
return fmt.Errorf("tunnel '%s': vaydns.record_type must be one of: txt, cname, a, aaaa, mx, ns, srv", t.Tag)
return fmt.Errorf("tunnel '%s': vaydns.record_type must be one of: txt, null, cname, a, aaaa, mx, ns, srv, caa", t.Tag)
}
if t.VayDNS.DnsttCompat && t.VayDNS.RecordType != "txt" {
return fmt.Errorf("tunnel '%s': vaydns.record_type must be txt when dnstt_compat is enabled", t.Tag)
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4 changes: 3 additions & 1 deletion internal/handlers/tunnel_add.go
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Expand Up @@ -297,6 +297,8 @@ func addTunnelInteractive(ctx *actions.Context, cfg *config.Config) error {
{Label: "SRV", Value: "srv"},
{Label: "A", Value: "a"},
{Label: "AAAA", Value: "aaaa"},
{Label: "NULL", Value: "null"},
{Label: "CAA", Value: "caa"},
}
rtValue, rtErr := tui.RunMenu(tui.MenuConfig{
Title: "DNS Record Type",
Expand Down Expand Up @@ -425,7 +427,7 @@ func addTunnelNonInteractive(ctx *actions.Context, cfg *config.Config) error {
}
}
if !valid {
return fmt.Errorf("invalid --record-type '%s' (must be one of: txt, cname, a, aaaa, mx, ns, srv)", recordType)
return fmt.Errorf("invalid --record-type '%s' (must be one of: txt, null, cname, a, aaaa, mx, ns, srv, caa)", recordType)
}
}

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