WIP

hub/api/db/sanitize-validate.go

@@ -1,19 +1,9 @@
 package db
 
 import (
-	"errors"
 	"net/netip"
 	"strings"
-)
-
-var (
-	ErrInvalidIP       = errors.New("invalid IP")
-	ErrInvalidPeerIP   = errors.New("invalid peer IP")
-	ErrNonPrivateIP    = errors.New("non-private IP")
-	ErrInvalidPort     = errors.New("invalid port")
-	ErrInvalidNetName  = errors.New("invalid network name")
-	ErrNetNameNotLocal = errors.New("network name must end with .local")
-	ErrInvalidPeerName = errors.New("invalid peer name")
+	"vppn/hub/errs"
 )
 
 func Config_Sanitize(c *Config) {
@@ -35,11 +25,11 @@ func Network_Validate(c *Network) error {
 	// 15 bytes is linux limit for network interface names. With ending .local,
 	// max length is 21.
 	if len(c.LocalDomain) == 0 || len(c.LocalDomain) > 21 {
-		return ErrInvalidNetName
+		return errs.ErrInvalidNetName
 	}
 
 	if !strings.HasSuffix(c.LocalDomain, ".local") {
-		return ErrNetNameNotLocal
+		return errs.ErrNetNameNotLocal
 	}
 
 	for _, c := range strings.TrimSuffix(c.LocalDomain, ".local") {
@@ -49,16 +39,16 @@ func Network_Validate(c *Network) error {
 		if c >= '0' && c <= '9' {
 			continue
 		}
-		return ErrInvalidNetName
+		return errs.ErrInvalidNetName
 	}
 
 	addr, ok := netip.AddrFromSlice(c.Network)
 	if !ok || !addr.Is4() || addr.As4()[3] != 0 || addr.As4()[0] == 0 {
-		return ErrInvalidIP
+		return errs.ErrInvalidIP
 	}
 
 	if !addr.IsPrivate() {
-		return ErrNonPrivateIP
+		return errs.ErrNonPrivateIP
 	}
 
 	return nil
@@ -84,26 +74,26 @@ func Peer_Sanitize(p *Peer) {
 
 func Peer_Validate(p *Peer) error {
 	if p.PeerIP < 1 || p.PeerIP > 254 {
-		return ErrInvalidPeerIP
+		return errs.ErrInvalidPeerIP
 	}
 	if len(p.Addr4) > 0 {
 		// Must be a genuine IPv4 address (reject an IPv6 in the v4 field).
 		if addr, ok := netip.AddrFromSlice(p.Addr4); !ok || !addr.Is4() {
-			return ErrInvalidIP
+			return errs.ErrInvalidIP
 		}
 	}
 	if len(p.Addr6) > 0 {
 		// Must be a genuine IPv6 address (reject IPv4 / IPv4-mapped in the v6 field).
 		if addr, ok := netip.AddrFromSlice(p.Addr6); !ok || !addr.Is6() || addr.Is4In6() {
-			return ErrInvalidIP
+			return errs.ErrInvalidIP
 		}
 	}
 	if p.Port == 0 {
-		return ErrInvalidPort
+		return errs.ErrInvalidPort
 	}
 
 	if len(p.Name) == 0 {
-		return ErrInvalidPeerName
+		return errs.ErrInvalidPeerName
 	}
 	for _, c := range p.Name {
 		if c >= 'a' && c <= 'z' {
@@ -115,7 +105,7 @@ func Peer_Validate(p *Peer) error {
 		if c == '-' {
 			continue
 		}
-		return ErrInvalidPeerName
+		return errs.ErrInvalidPeerName
 	}
 
 	return nil