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stress_test.go
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stress_test.go
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// Copyright © 2015-2020 Hilko Bengen <[email protected]>
// All rights reserved.
//
// Use of this source code is governed by the license that can be
// found in the LICENSE file.
package yara
import (
"fmt"
"os"
"os/user"
"path"
"path/filepath"
"sync"
"testing"
)
func TestFileWalk(t *testing.T) {
if os.ExpandEnv("${TEST_WALK}") == "" {
t.Skip("Set TEST_WALK to enable scanning files from user's HOME with a dummy ruleset.\n" +
"(Setting -test.timeout may be a good idea for this.)")
}
initialPath := os.ExpandEnv("${TEST_WALK_START}")
if initialPath == "" {
if u, err := user.Current(); err != nil {
t.Skip("Could get user's homedir. You can use TEST_WALK_START " +
"to set an initial path for filepath.Walk()")
} else {
initialPath = u.HomeDir
}
}
r, err := Compile("rule test: tag1 tag2 tag3 { meta: foo = 1 bar = \"xxx\" quux = false condition: true }", nil)
if err != nil {
t.Fatal(err)
}
wg := sync.WaitGroup{}
for i := 0; i < 32; i++ {
wg.Add(1)
go func(i int) {
filepath.Walk(initialPath, func(name string, info os.FileInfo, inErr error) error {
fmt.Printf("[%02d] %s\n", i, name)
if inErr != nil {
fmt.Printf("[%02d] Walk to \"%s\": %s\n", i, name, inErr)
return nil
}
if info.IsDir() && info.Mode()&os.ModeSymlink != 0 {
fmt.Printf("[%02d] Walk to \"%s\": Skipping symlink\n", i, name)
return filepath.SkipDir
}
if !info.Mode().IsRegular() || info.Size() >= 2000000 {
return nil
}
// r.DefineVariable("filename", info.Name())
// r.DefineVariable("filepath", name)
var m MatchRules
if err := r.ScanFile(name, 0, 0, &m); err == nil {
fmt.Printf("[%02d] Scan \"%s\": %d\n", i, path.Base(name), len(m))
} else {
fmt.Printf("[%02d] Scan \"%s\": %s\n", i, path.Base(name), err)
}
return nil
})
wg.Done()
}(i)
}
wg.Wait()
}
func TestScannerFileWalk(t *testing.T) {
if os.ExpandEnv("${TEST_WALK}") == "" {
t.Skip("Set TEST_WALK to enable scanning files from user's HOME with a dummy ruleset.\n" +
"(Setting -test.timeout may be a good idea for this.)")
}
initialPath := os.ExpandEnv("${TEST_WALK_START}")
if initialPath == "" {
if u, err := user.Current(); err != nil {
t.Skip("Could get user's homedir. You can use TEST_WALK_START " +
"to set an initial path for filepath.Walk()")
} else {
initialPath = u.HomeDir
}
}
r, err := Compile(`
rule test: tag1 tag2 tag3 {
meta:
foo = 1
bar = "xxx"
quux = false
condition:
true
}
`, map[string]interface{}{
"filename": "",
"filepath": "",
})
if err != nil {
t.Fatal(err)
}
wg := sync.WaitGroup{}
for i := 0; i < 32; i++ {
wg.Add(1)
go func(i int) {
s, err := NewScanner(r)
if err != nil {
t.Fatal(err)
}
filepath.Walk(initialPath, func(name string, info os.FileInfo, inErr error) error {
fmt.Printf("[%02d] %s\n", i, name)
if inErr != nil {
fmt.Printf("[%02d] Walk to \"%s\": %s\n", i, name, inErr)
return nil
}
if info.IsDir() && info.Mode()&os.ModeSymlink != 0 {
fmt.Printf("[%02d] Walk to \"%s\": Skipping symlink\n", i, name)
return filepath.SkipDir
}
if !info.Mode().IsRegular() || info.Size() >= 2000000 {
return nil
}
s.DefineVariable("filepath", name)
s.DefineVariable("filename", info.Name())
var m MatchRules
if err := s.SetCallback(&m).ScanFile(name); err == nil {
fmt.Printf("[%02d] Scan \"%s\": %d\n", i, path.Base(name), len(m))
} else {
fmt.Printf("[%02d] Scan \"%s\": %s\n", i, path.Base(name), err)
}
return nil
})
wg.Done()
}(i)
}
wg.Wait()
}