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esp32/network_ppp: Add authentication support to the PPP interface. 

This commit adds the connect() method to the PPP interface and requires
that connect() be called after active(1).  This is a breaking change for
the PPP API.

With the connect() method it's now possible to pass in authentication
information for PAP/CHAP, eg:

    ppp.active(1)
    ppp.connect(authmode=ppp.AUTH_PAP, username="user", "password="password")

If no authentication is needed simply call connect() without any
parameters.  This will get the original behaviour of calling active(1).
pull/1/head
Kenta IDA 2019-07-10 00:30:38 +09:00 committed by Damien George
parent 3d02ebb4e8
commit b6906fa573
1 changed files with 70 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
ports/esp32/network_ppp.c
View File

@ -129,29 +129,26 @@ STATIC mp_obj_t ppp_active(size_t n_args, const mp_obj_t *args) {
if (self->pcb == NULL) {
mp_raise_msg(&mp_type_RuntimeError, "init failed");
}
pppapi_set_default(self->pcb);
ppp_set_usepeerdns(self->pcb, 1);
pppapi_connect(self->pcb, 0);
xTaskCreatePinnedToCore(pppos_client_task, "ppp", 2048, self, 1, (TaskHandle_t*)&self->client_task_handle, MP_TASK_COREID);
self->active = true;
} else {
if (!self->active) {
return mp_const_false;
}
// Wait for PPPERR_USER, with timeout
pppapi_close(self->pcb, 0);
uint32_t t0 = mp_hal_ticks_ms();
while (!self->clean_close && mp_hal_ticks_ms() - t0 < PPP_CLOSE_TIMEOUT_MS) {
mp_hal_delay_ms(10);
}
if (self->client_task_handle != NULL) { // is connecting or connected?
// Wait for PPPERR_USER, with timeout
pppapi_close(self->pcb, 0);
uint32_t t0 = mp_hal_ticks_ms();
while (!self->clean_close && mp_hal_ticks_ms() - t0 < PPP_CLOSE_TIMEOUT_MS) {
mp_hal_delay_ms(10);
}
// Shutdown task
xTaskNotifyGive(self->client_task_handle);
t0 = mp_hal_ticks_ms();
while (self->client_task_handle != NULL && mp_hal_ticks_ms() - t0 < PPP_CLOSE_TIMEOUT_MS) {
mp_hal_delay_ms(10);
// Shutdown task
xTaskNotifyGive(self->client_task_handle);
t0 = mp_hal_ticks_ms();
while (self->client_task_handle != NULL && mp_hal_ticks_ms() - t0 < PPP_CLOSE_TIMEOUT_MS) {
mp_hal_delay_ms(10);
}
}
// Release PPP
@ -166,6 +163,59 @@ STATIC mp_obj_t ppp_active(size_t n_args, const mp_obj_t *args) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(ppp_active_obj, 1, 2, ppp_active);
STATIC mp_obj_t ppp_connect_py(size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
enum { ARG_authmode, ARG_username, ARG_password };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_authmode, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = PPPAUTHTYPE_NONE} },
{ MP_QSTR_username, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} },
{ MP_QSTR_password, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} },
};
mp_arg_val_t parsed_args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, parsed_args);
ppp_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (!self->active) {
mp_raise_msg(&mp_type_OSError, "must be active");
}
if (self->client_task_handle != NULL) {
mp_raise_OSError(MP_EALREADY);
}
switch (parsed_args[ARG_authmode].u_int) {
case PPPAUTHTYPE_NONE:
case PPPAUTHTYPE_PAP:
case PPPAUTHTYPE_CHAP:
break;
default:
mp_raise_msg(&mp_type_ValueError, "invalid auth");
}
if (parsed_args[ARG_authmode].u_int != PPPAUTHTYPE_NONE) {
const char* username_str = mp_obj_str_get_str(parsed_args[ARG_username].u_obj);
const char* password_str = mp_obj_str_get_str(parsed_args[ARG_password].u_obj);
pppapi_set_auth(self->pcb, parsed_args[ARG_authmode].u_int, username_str, password_str);
}
if (pppapi_set_default(self->pcb) != ESP_OK) {
mp_raise_msg(&mp_type_OSError, "set default failed");
}
ppp_set_usepeerdns(self->pcb, true);
if (pppapi_connect(self->pcb, 0) != ESP_OK) {
mp_raise_msg(&mp_type_OSError, "connect failed");
}
if (xTaskCreatePinnedToCore(pppos_client_task, "ppp", 2048, self, 1, (TaskHandle_t*)&self->client_task_handle, MP_TASK_COREID) != pdPASS) {
mp_raise_msg(&mp_type_RuntimeError, "failed to create worker task");
}
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(ppp_connect_obj, 1, ppp_connect_py);
STATIC mp_obj_t ppp_delete(mp_obj_t self_in) {
ppp_if_obj_t* self = MP_OBJ_TO_PTR(self_in);
mp_obj_t args[] = {self, mp_const_false};
@ -216,10 +266,14 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(ppp_isconnected_obj, ppp_isconnected);
STATIC const mp_rom_map_elem_t ppp_if_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&ppp_active_obj) },
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&ppp_connect_obj) },
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&ppp_isconnected_obj) },
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&ppp_status_obj) },
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&ppp_ifconfig_obj) },
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&ppp_delete_obj) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_NONE), MP_ROM_INT(PPPAUTHTYPE_NONE) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_PAP), MP_ROM_INT(PPPAUTHTYPE_PAP) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_CHAP), MP_ROM_INT(PPPAUTHTYPE_CHAP) },
};
STATIC MP_DEFINE_CONST_DICT(ppp_if_locals_dict, ppp_if_locals_dict_table);