Add a test sample for Cgo files

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
This commit is contained in:
Cosmin Cojocar 2020-01-15 16:56:50 +01:00 committed by Cosmin Cojocar
parent 81e8278164
commit 3d5c97b418
2 changed files with 60 additions and 0 deletions

View file

@ -339,6 +339,21 @@ var _ = Describe("Analyzer", func() {
Expect(issues).Should(HaveLen(1))
})
})
It("should be able to analyze Cgo files", func() {
analyzer.LoadRules(rules.Generate().Builders())
sample := testutils.SampleCodeCgo[0]
source := sample.Code[0]
testPackage := testutils.NewTestPackage()
defer testPackage.Close()
testPackage.AddFile("main.go", source)
err := testPackage.Build()
Expect(err).ShouldNot(HaveOccurred())
err = analyzer.Process(buildTags, testPackage.Path)
Expect(err).ShouldNot(HaveOccurred())
issues, _, _ := analyzer.Report()
Expect(issues).Should(HaveLen(0))
})
Context("when parsing errors from a package", func() {

View file

@ -1541,4 +1541,49 @@ package main
func main() {
fmt.Println("no package imported error")
}`}, 1, gosec.NewConfig()}}
// SampleCodeCgo - Cgo file sample
SampleCodeCgo = []CodeSample{{[]string{`
package main
import (
"fmt"
"unsafe"
)
/*
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int printData(unsigned char *data) {
return printf("cData: %lu \"%s\"\n", (long unsigned int)strlen(data), data);
}
*/
import "C"
func main() {
// Allocate C data buffer.
width, height := 8, 2
lenData := width * height
// add string terminating null byte
cData := (*C.uchar)(C.calloc(C.size_t(lenData+1), C.sizeof_uchar))
// When no longer in use, free C allocations.
defer C.free(unsafe.Pointer(cData))
// Go slice reference to C data buffer,
// minus string terminating null byte
gData := (*[1 << 30]byte)(unsafe.Pointer(cData))[:lenData:lenData]
// Write and read cData via gData.
for i := range gData {
gData[i] = '.'
}
copy(gData[0:], "Data")
gData[len(gData)-1] = 'X'
fmt.Printf("gData: %d %q\n", len(gData), gData)
C.printData(cData)
}
`}, 0, gosec.NewConfig()}}
)