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Viewing file:     build_cwd_newline.txt (3.38 KB)      -rw-r--r--

[GOOS:windows] skip 'filesystem normalizes / to \'
[GOOS:plan9] skip 'filesystem disallows \n in paths'

# If the directory path containing a package to be built includes a newline,
# the go command should refuse to even try to build the package.

env DIR=$WORK${/}${newline}'package main'${newline}'func main() { panic("uh-oh")'${newline}'/*'

mkdir $DIR
cd $DIR
exec pwd
cp $WORK/go.mod ./go.mod
cp $WORK/main.go ./main.go
cp $WORK/main_nocgo.go ./main_nocgo.go
cp $WORK/main_test.go ./main_test.go

! go build -o $devnull .
stderr 'package example: invalid package directory .*uh-oh'

[cgo] ! go build -o $devnull main.go
[!cgo] ! go build -o $devnull main_nocgo.go
stderr 'package command-line-arguments: invalid package directory .*uh-oh'

! go run .
stderr 'package example: invalid package directory .*uh-oh'

[cgo] ! go run main.go
[!cgo] ! go run main_nocgo.go
stderr 'package command-line-arguments: invalid package directory .*uh-oh'

! go test .
stderr 'package example: invalid package directory .*uh-oh'

[cgo] ! go test -v main.go main_test.go
[!cgo] ! go test -v main_nocgo.go main_test.go
stderr 'package command-line-arguments: invalid package directory .*uh-oh'

go list -compiled -e -f '{{with .CompiledGoFiles}}{{.}}{{end}}' .
! stdout .
! stderr .
! exists obj_


# The cgo tool should only accept the source file if the working directory
# is not written in line directives in the resulting files.

[cgo] ! go tool cgo main.go
[cgo] stderr 'cgo: input path contains newline character: .*uh-oh'
[cgo] ! exists _obj

[cgo] go tool cgo -trimpath=$PWD main.go
[cgo] grep '//line main\.go:1:1' _obj/main.cgo1.go
[cgo] ! grep 'uh-oh' _obj/main.cgo1.go
[cgo] rm _obj


# Since we do preserve $PWD (or set it appropriately) for commands, and we do
# not resolve symlinks unnecessarily, referring to the contents of the unsafe
# directory via a safe symlink should be ok, and should not inject the data from
# the symlink target path.

[!symlink] stop 'remainder of test checks symlink behavior'
[short] stop 'links and runs binaries'

symlink $WORK${/}link -> $DIR

[cgo] go run $WORK${/}link${/}main.go
[!cgo] go run $WORK${/}link${/}main_nocgo.go
! stdout panic
! stderr panic
stderr '^ok$'

[cgo] go test -v $WORK${/}link${/}main.go $WORK${/}link${/}main_test.go
[!cgo] go test -v $WORK${/}link${/}main_nocgo.go $WORK${/}link${/}main_test.go
! stdout panic
! stderr panic
stdout '^ok$'   # 'go test' combines the test's stdout into stderr

cd $WORK/link

[cgo] ! go run $DIR${/}main.go
[!cgo] ! go run $DIR${/}main_nocgo.go
stderr 'package command-line-arguments: invalid package directory .*uh-oh'

go run .
! stdout panic
! stderr panic
stderr '^ok$'

[cgo] go run main.go
[!cgo] go run main_nocgo.go
! stdout panic
! stderr panic
stderr '^ok$'

go test -v
! stdout panic
! stderr panic
stdout '^ok$'  # 'go test' combines the test's stdout into stderr

go test -v .
! stdout panic
! stderr panic
stdout '^ok$'  # 'go test' combines the test's stdout into stderr

[cgo] go tool cgo main.go
[cgo] grep '//line .*'${/}'link'${/}'main\.go:1:1' _obj/main.cgo1.go
[cgo] ! grep 'uh-oh' _obj/main.cgo1.go

-- $WORK/go.mod --
module example
go 1.19
-- $WORK/main.go --
package main

import "C"

func main() {
	/* nothing here */
	println("ok")
}
-- $WORK/main_nocgo.go --
//go:build !cgo

package main

func main() {
	/* nothing here */
	println("ok")
}
-- $WORK/main_test.go --
package main

import "testing"

func TestMain(*testing.M) {
	main()
}