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lib/model: Verify request content against weak (and possibly strong) hash (#4767)

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This commit is contained in:
Audrius Butkevicius
2018-05-05 09:24:44 +01:00
committed by Jakob Borg
parent 678c80ffe4
commit ef0dcea6a4
27 changed files with 518 additions and 454 deletions
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23
cmd/syncthing/main.go
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@@ -46,7 +46,6 @@ import (
"github.com/syncthing/syncthing/lib/sha256"
"github.com/syncthing/syncthing/lib/tlsutil"
"github.com/syncthing/syncthing/lib/upgrade"
"github.com/syncthing/syncthing/lib/weakhash"
"github.com/thejerf/suture"
@@ -697,26 +696,8 @@ func syncthingMain(runtimeOptions RuntimeOptions) {
},
}
if opts := cfg.Options(); opts.WeakHashSelectionMethod == config.WeakHashAuto {
perfWithWeakHash := cpuBench(3, 150*time.Millisecond, true)
l.Infof("Hashing performance with rolling hash is %.02f MB/s", perfWithWeakHash)
perfWithoutWeakHash := cpuBench(3, 150*time.Millisecond, false)
l.Infof("Hashing performance without rolling hash is %.02f MB/s", perfWithoutWeakHash)
if perfWithoutWeakHash*0.8 > perfWithWeakHash {
l.Infof("Rolling hash disabled, as it has an unacceptable performance impact.")
weakhash.Enabled = false
} else {
l.Infof("Rolling hash enabled, as it has an acceptable performance impact.")
weakhash.Enabled = true
}
} else if opts.WeakHashSelectionMethod == config.WeakHashNever {
l.Infof("Disabling rolling hash")
weakhash.Enabled = false
} else if opts.WeakHashSelectionMethod == config.WeakHashAlways {
l.Infof("Enabling rolling hash")
weakhash.Enabled = true
}
perf := cpuBench(3, 150*time.Millisecond, true)
l.Infof("Hashing performance is %.02f MB/s", perf)
dbFile := locations[locDatabase]
ldb, err := db.Open(dbFile)