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bin_posix.go
43 lines (37 loc) · 776 Bytes
/
bin_posix.go
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// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
package bin
import (
"os"
"os/user"
"strconv"
"syscall"
)
var uid, gid uint32
func init() {
if u, err := user.Current(); err == nil {
if i, err := strconv.ParseUint(u.Uid, 10, 32); err == nil {
uid = uint32(i)
}
if i, err := strconv.ParseUint(u.Gid, 10, 32); err == nil {
gid = uint32(i)
}
}
}
const (
s_IXUSR os.FileMode = 0x40
s_IXGRP os.FileMode = 0x08
s_IXOTH os.FileMode = 0x01
)
func isExecutable(path string) bool {
fi, err := os.Stat(path)
if err != nil {
return false
}
mode := fi.Mode()
if (mode & s_IXOTH) != 0 {
return true
}
sys := fi.Sys().(*syscall.Stat_t)
return (sys.Gid == gid && (mode&s_IXGRP) != 0) ||
(sys.Uid == uid && (mode&s_IXUSR) != 0)
}