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WPS: Remove parent pointer from advertisement state machine

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This commit is contained in:
Jouni Malinen 2009-12-19 14:51:36 +02:00
parent 158aff0035
commit a9f92c487f
2 changed files with 8 additions and 15 deletions
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1
src/wps/wps_upnp_i.h
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@ -50,7 +50,6 @@ enum advertisement_type_enum {
*/
struct advertisement_state_machine {
struct dl_list list;
struct upnp_wps_device_sm *sm; /* parent */
enum advertisement_type_enum type;
int state;
int nerrors;

22
src/wps/wps_upnp_ssdp.c
View file

@ -130,14 +130,15 @@ static int str_starts(const char *str, const char *start)
* Note: next_advertisement is shared code with msearchreply_* functions
*/
static struct wpabuf *
next_advertisement(struct advertisement_state_machine *a, int *islast)
next_advertisement(struct upnp_wps_device_sm *sm,
struct advertisement_state_machine *a, int *islast)
{
struct wpabuf *msg;
char *NTString = "";
char uuid_string[80];
*islast = 0;
uuid_bin2str(a->sm->wps->uuid, uuid_string, sizeof(uuid_string));
uuid_bin2str(sm->wps->uuid, uuid_string, sizeof(uuid_string));
msg = wpabuf_alloc(800); /* more than big enough */
if (msg == NULL)
goto fail;
@ -171,7 +172,7 @@ next_advertisement(struct advertisement_state_machine *a, int *islast)
if (a->type != ADVERTISE_DOWN) {
/* Where others may get our XML files from */
wpabuf_printf(msg, "LOCATION: http://%s:%d/%s\r\n",
a->sm->ip_addr_text, a->sm->web_port,
sm->ip_addr_text, sm->web_port,
UPNP_WPS_DEVICE_XML_FILE);
}
@ -244,7 +245,6 @@ void advertisement_state_machine_stop(struct upnp_wps_device_sm *sm,
a->type = ADVERTISE_DOWN;
a->state = 0;
a->sm = sm;
os_memset(&dest, 0, sizeof(dest));
dest.sin_family = AF_INET;
@ -252,7 +252,7 @@ void advertisement_state_machine_stop(struct upnp_wps_device_sm *sm,
dest.sin_port = htons(UPNP_MULTICAST_PORT);
while (!islast) {
msg = next_advertisement(a, &islast);
msg = next_advertisement(sm, a, &islast);
if (msg == NULL)
break;
if (sendto(sm->multicast_sd, wpabuf_head(msg), wpabuf_len(msg),
@ -291,7 +291,7 @@ static void advertisement_state_machine_handler(void *eloop_data,
*/
wpa_printf(MSG_MSGDUMP, "WPS UPnP: Advertisement state=%d", a->state);
msg = next_advertisement(a, &islast);
msg = next_advertisement(sm, a, &islast);
if (msg == NULL)
return;
@ -356,7 +356,6 @@ int advertisement_state_machine_start(struct upnp_wps_device_sm *sm)
*/
a->type = ADVERTISE_DOWN;
a->state = 0;
a->sm = sm;
/* (other fields not used here) */
/* First timeout should be random interval < 100 msec */
@ -375,10 +374,6 @@ int advertisement_state_machine_start(struct upnp_wps_device_sm *sm)
* They are sent in response to a UDP M-SEARCH packet.
**************************************************************************/
static void msearchreply_state_machine_handler(void *eloop_data,
void *user_ctx);
/**
* msearchreply_state_machine_stop - Stop M-SEARCH reply state machine
* @a: Selected advertisement/reply state
@ -395,7 +390,7 @@ static void msearchreply_state_machine_handler(void *eloop_data,
void *user_ctx)
{
struct advertisement_state_machine *a = user_ctx;
struct upnp_wps_device_sm *sm = a->sm;
struct upnp_wps_device_sm *sm = eloop_data;
struct wpabuf *msg;
int next_timeout_msec = 100;
int next_timeout_sec = 0;
@ -413,7 +408,7 @@ static void msearchreply_state_machine_handler(void *eloop_data,
wpa_printf(MSG_MSGDUMP, "WPS UPnP: M-SEARCH reply state=%d (%s:%d)",
a->state, inet_ntoa(a->client.sin_addr),
ntohs(a->client.sin_port));
msg = next_advertisement(a, &islast);
msg = next_advertisement(sm, a, &islast);
if (msg == NULL)
return;
@ -483,7 +478,6 @@ static void msearchreply_state_machine_start(struct upnp_wps_device_sm *sm,
return;
a->type = MSEARCH_REPLY;
a->state = 0;
a->sm = sm;
os_memcpy(&a->client, client, sizeof(*client));
/* Wait time depending on MX value */
next_timeout_msec = (1000 * mx * (os_random() & 0xFF)) >> 8;