Ophestra Umiker
42e0b168e3
All checks were successful
test / test (push) Successful in 17s
The behaviour of print functions from package fmt is not thread safe. Functions provided by fmsg wrap around Logger methods. This makes prefix much cleaner and makes it easy to deal with future changes to logging. Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package internal
|
|
|
|
import (
|
|
"os"
|
|
"path"
|
|
"strconv"
|
|
"sync"
|
|
|
|
"git.ophivana.moe/security/fortify/internal/fmsg"
|
|
)
|
|
|
|
// state that remain constant for the lifetime of the process
|
|
// fetched and cached here
|
|
|
|
const (
|
|
xdgRuntimeDir = "XDG_RUNTIME_DIR"
|
|
)
|
|
|
|
// SystemConstants contains state from the operating system
|
|
type SystemConstants struct {
|
|
// path to shared directory e.g. /tmp/fortify.%d
|
|
SharePath string `json:"share_path"`
|
|
// XDG_RUNTIME_DIR value e.g. /run/user/%d
|
|
RuntimePath string `json:"runtime_path"`
|
|
// application runtime directory e.g. /run/user/%d/fortify
|
|
RunDirPath string `json:"run_dir_path"`
|
|
}
|
|
|
|
var (
|
|
scVal SystemConstants
|
|
scOnce sync.Once
|
|
)
|
|
|
|
func copySC() {
|
|
sc := SystemConstants{
|
|
SharePath: path.Join(os.TempDir(), "fortify."+strconv.Itoa(os.Geteuid())),
|
|
}
|
|
|
|
fmsg.VPrintf("process share directory at %q", sc.SharePath)
|
|
|
|
// runtimePath, runDirPath
|
|
if r, ok := os.LookupEnv(xdgRuntimeDir); !ok {
|
|
fmsg.Println("variable", xdgRuntimeDir, "unset")
|
|
os.Exit(1)
|
|
} else {
|
|
sc.RuntimePath = r
|
|
sc.RunDirPath = path.Join(sc.RuntimePath, "fortify")
|
|
fmsg.VPrintf("XDG runtime directory at %q", sc.RunDirPath)
|
|
}
|
|
|
|
scVal = sc
|
|
}
|
|
|
|
// GetSC returns a populated SystemConstants value
|
|
func GetSC() SystemConstants {
|
|
scOnce.Do(copySC)
|
|
return scVal
|
|
}
|