// GetEnvList internally calls pam_getenvlist and then uses some very
// dangerous code to pull out the returned environment data and mash
// it into a map[string]string. This call may be safe, but it hasn't
// been tested on enough platforms/architectures/PAM-implementations to
// be sure.
func (t *Transaction) GetEnvList() map[string]string {
env := make(map[string]string)
list := (uintptr)(unsafe.Pointer(C.pam_getenvlist(t.handle)))
for *(*uintptr)(unsafe.Pointer(list)) != 0 {
entry := *(*uintptr)(unsafe.Pointer(list))
nameval := C.GoString((*C.char)(unsafe.Pointer(entry)))
chunks := strings.SplitN(nameval, "=", 2)
env[chunks[0]] = chunks[1]
list += (uintptr)(unsafe.Sizeof(list))
}
return env
}
// GetEnvList returns a copy of the PAM environment as a map.
func (t *Transaction) GetEnvList() (map[string]string, error) {
env := make(map[string]string)
p := C.pam_getenvlist(t.handle)
if p == nil {
t.status = C.PAM_BUF_ERR
return nil, t
}
for q := p; *q != nil; q = next(q) {
chunks := strings.SplitN(C.GoString(*q), "=", 2)
if len(chunks) == 2 {
env[chunks[0]] = chunks[1]
}
C.free(unsafe.Pointer(*q))
}
C.free(unsafe.Pointer(p))
return env, nil
}