// Start initiates a new PAM transaction. serviceName is treated identically
// to how pam_start internally treats it. The same applies to user, except that
// the empty string is passed to PAM as nil; therefore the empty string should be
// used to signal that no username is being provided.
//
// All application calls to PAM begin with Start(). The returned *Transaction
// provides an interface to the remainder of the API.
//
// The returned status int may be ABORT, BUF_ERR, SUCCESS, or SYSTEM_ERR, as per
// the official PAM documentation.
func Start(serviceName, user string, handler ConversationHandler) (*Transaction, int) {
t := &Transaction{}
t.conv = newConversation(handler)
var status C.int
if len(user) == 0 {
status = C.pam_start(C.CString(serviceName), nil, t.conv.cconv, &t.handle)
} else {
status = C.pam_start(C.CString(serviceName), C.CString(user), t.conv.cconv, &t.handle)
}
if status != SUCCESS {
C.free(unsafe.Pointer(t.conv.cconv))
return nil, int(status)
}
return t, int(status)
}
// Start initiates a new PAM transaction. Service is treated identically to
// how pam_start treats it internally.
//
// All application calls to PAM begin with Start (or StartFunc). The returned
// transaction provides an interface to the remainder of the API.
func Start(service, user string, handler ConversationHandler) (*Transaction, error) {
t := &Transaction{
conv: &C.struct_pam_conv{},
c: cbAdd(handler),
}
C.init_pam_conv(t.conv, C.long(t.c))
runtime.SetFinalizer(t, transactionFinalizer)
s := C.CString(service)
defer C.free(unsafe.Pointer(s))
var u *C.char
if len(user) != 0 {
u = C.CString(user)
defer C.free(unsafe.Pointer(u))
}
t.status = C.pam_start(s, u, t.conv, &t.handle)
if t.status != C.PAM_SUCCESS {
return nil, t
}
return t, nil
}
// Start initiates a new PAM transaction. Service is treated identically to
// how pam_start treats it internally.
//
// All application calls to PAM begin with Start (or StartFunc). The returned
// transaction provides an interface to the remainder of the API.
func Start(service, user string, handler ConversationHandler) (*Transaction, error) {
t := &Transaction{}
t.conv, t.status = newConversation(handler)
if t.status != C.PAM_SUCCESS {
return nil, t
}
s := C.CString(service)
defer C.free(unsafe.Pointer(s))
var u *C.char
if len(user) != 0 {
u = C.CString(user)
defer C.free(unsafe.Pointer(u))
}
t.status = C.pam_start(s, u, t.conv.conv, &t.handle)
if t.status != C.PAM_SUCCESS {
C.free(unsafe.Pointer(t.conv.conv))
return nil, t
}
runtime.SetFinalizer(t, transactionFinalizer)
return t, nil
}
