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lazygit/pkg/secureexec/secureexec_windows.go
Jesse Duffield ad72a1f5a3 Cache binary paths
Turns out that with our secureexec package (which we only use on windows due to a windows security thing),
2023-05-23 19:15:33 +10:00

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1.1 KiB
Go

//go:build windows
// +build windows
package secureexec
import (
"os/exec"
"github.com/cli/safeexec"
)
// calling exec.Command directly on a windows machine poses a security risk due to
// the current directory being searched first before any directories in the PATH
// variable, meaning you might clone a repo that contains a program called 'git'
// which does something malicious when executed.
// see https://github.com/golang/go/issues/38736 for more context. We'll likely
// be able to just throw out this code and switch to the official solution when it exists.
// I consider this a minor security concern because you're just as vulnerable if
// you call `git status` from the command line directly but no harm in playing it
// safe.
var pathCache = map[string]string{}
func Command(name string, args ...string) *exec.Cmd {
path := getPath(name)
return exec.Command(path, args...)
}
func getPath(name string) string {
if path, ok := pathCache[name]; ok {
return path
}
path, err := safeexec.LookPath(name)
if err != nil {
pathCache[name] = name
return name
}
pathCache[name] = path
return path
}