Linting and staticcheck fixes. (#101)

* Fix linting and staticcheck issues

* Add changelog update

* Remove SetNext

3 files changed, 9 insertions, 14 deletions

diff --git a/lib/anubis.go b/lib/anubis.go
index 43993bb..d56c608 100644
--- a/lib/anubis.go
+++ b/lib/anubis.go
@@ -98,10 +98,6 @@ func New(opts Options) (*Server, error) {
 		return nil, fmt.Errorf("failed to generate ed25519 key: %w", err)
 	}
 
-	if err != nil {
-		return nil, err // parseConfig sets a fancy error for us
-	}
-
 	result := &Server{
 		next:       opts.Next,
 		priv:       priv,
diff --git a/lib/policy/config/config.go b/lib/policy/config/config.go
index 67eddbf..b23af70 100644
--- a/lib/policy/config/config.go
+++ b/lib/policy/config/config.go
@@ -51,7 +51,7 @@ func (b BotConfig) Valid() error {
 		errs = append(errs, ErrBotMustHaveName)
 	}
 
-	if b.UserAgentRegex == nil && b.PathRegex == nil && (b.RemoteAddr == nil || len(b.RemoteAddr) == 0) {
+	if b.UserAgentRegex == nil && b.PathRegex == nil && len(b.RemoteAddr) == 0 {
 		errs = append(errs, ErrBotMustHaveUserAgentOrPath)
 	}
 
@@ -71,7 +71,7 @@ func (b BotConfig) Valid() error {
 		}
 	}
 
-	if b.RemoteAddr != nil && len(b.RemoteAddr) > 0 {
+	if len(b.RemoteAddr) > 0 {
 		for _, cidr := range b.RemoteAddr {
 			if _, _, err := net.ParseCIDR(cidr); err != nil {
 				errs = append(errs, ErrInvalidCIDR, err)
diff --git a/lib/policy/policy.go b/lib/policy/policy.go
index 51b23ff..3f80fa3 100644
--- a/lib/policy/policy.go
+++ b/lib/policy/policy.go
@@ -46,24 +46,23 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 		return nil, err
 	}
 
-	var err error
+	var validationErrs []error
 
 	result := NewParsedConfig(c)
 	result.DefaultDifficulty = defaultDifficulty
 
 	for _, b := range c.Bots {
 		if berr := b.Valid(); berr != nil {
-			err = errors.Join(err, berr)
+			validationErrs = append(validationErrs, berr)
 			continue
 		}
 
-		var botParseErr error
 		parsedBot := Bot{
 			Name:   b.Name,
 			Action: b.Action,
 		}
 
-		if b.RemoteAddr != nil && len(b.RemoteAddr) > 0 {
+		if len(b.RemoteAddr) > 0 {
 			parsedBot.Ranger = cidranger.NewPCTrieRanger()
 
 			for _, cidr := range b.RemoteAddr {
@@ -79,7 +78,7 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 		if b.UserAgentRegex != nil {
 			userAgent, err := regexp.Compile(*b.UserAgentRegex)
 			if err != nil {
-				botParseErr = errors.Join(botParseErr, fmt.Errorf("while compiling user agent regexp: %w", err))
+				validationErrs = append(validationErrs, fmt.Errorf("while compiling user agent regexp: %w", err))
 				continue
 			} else {
 				parsedBot.UserAgent = userAgent
@@ -89,7 +88,7 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 		if b.PathRegex != nil {
 			path, err := regexp.Compile(*b.PathRegex)
 			if err != nil {
-				botParseErr = errors.Join(botParseErr, fmt.Errorf("while compiling path regexp: %w", err))
+				validationErrs = append(validationErrs, fmt.Errorf("while compiling path regexp: %w", err))
 				continue
 			} else {
 				parsedBot.Path = path
@@ -112,8 +111,8 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
 		result.Bots = append(result.Bots, parsedBot)
 	}
 
-	if err != nil {
-		return nil, fmt.Errorf("errors validating policy config JSON %s: %w", fname, err)
+	if len(validationErrs) > 0 {
+		return nil, fmt.Errorf("errors validating policy config JSON %s: %w", fname, errors.Join(validationErrs...))
 	}
 
 	result.DNSBL = c.DNSBL