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swarm/api/http: server handler: check protocol substring length to fix slice out of bounds crash

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This commit is contained in:
zelig 2016-06-24 14:48:09 +02:00
parent 2b1c950193
commit 38184bf18d
1 changed files with 4 additions and 2 deletions
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6
swarm/api/http/server.go
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@ -86,8 +86,10 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
return return
} }
} }
raw = proto[1:5] == "bzzr" if len(proto) > 4 {
nameresolver = proto[1:5] != "bzzi" raw = proto[1:5] == "bzzr"
nameresolver = proto[1:5] != "bzzi"
}
glog.V(logger.Debug).Infof( glog.V(logger.Debug).Infof(
"[BZZ] Swarm: %s request over protocol %s '%s' received.", "[BZZ] Swarm: %s request over protocol %s '%s' received.",