From 4c55d26f11329243591d04ca5a52298b38bca9a8 Mon Sep 17 00:00:00 2001 From: Francis Lavoie Date: Mon, 11 May 2020 16:38:33 -0400 Subject: caddyhttp: Fix merging of Caddyfile matchers in not blocks (#3379) --- modules/caddyhttp/matchers.go | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'modules') diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go index 95100d5..0860780 100644 --- a/modules/caddyhttp/matchers.go +++ b/modules/caddyhttp/matchers.go @@ -592,8 +592,17 @@ func (m *MatchNot) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { for d.Next() { var mp matcherPair matcherMap := make(map[string]RequestMatcher) - for d.NextArg() || d.NextBlock(0) { + + // in case there are multiple instances of the same matcher, concatenate + // their tokens (we expect that UnmarshalCaddyfile should be able to + // handle more than one segment); otherwise, we'd overwrite other + // instances of the matcher in this set + tokensByMatcherName := make(map[string][]caddyfile.Token) + for nesting := d.Nesting(); d.NextArg() || d.NextBlock(nesting); { matcherName := d.Val() + tokensByMatcherName[matcherName] = append(tokensByMatcherName[matcherName], d.NextSegment()...) + } + for matcherName, tokens := range tokensByMatcherName { mod, err := caddy.GetModule("http.matchers." + matcherName) if err != nil { return d.Errf("getting matcher module '%s': %v", matcherName, err) @@ -602,11 +611,14 @@ func (m *MatchNot) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { if !ok { return d.Errf("matcher module '%s' is not a Caddyfile unmarshaler", matcherName) } - err = unm.UnmarshalCaddyfile(d.NewFromNextSegment()) + err = unm.UnmarshalCaddyfile(caddyfile.NewDispenser(tokens)) if err != nil { return err } - rm := unm.(RequestMatcher) + rm, ok := unm.(RequestMatcher) + if !ok { + return fmt.Errorf("matcher module '%s' is not a request matcher", matcherName) + } matcherMap[matcherName] = rm mp.decoded = append(mp.decoded, rm) } -- cgit v1.2.3