auth: remove .recv_conf_req from struct ppp_auth_handler_t

This callback isn't used anymore. Let's remove it from all
authentication backends.
Signed-off-by: NGuillaume Nault <g.nault@alphalink.fr>

accel-pppd/auth/auth_chap_md5.c

@@ -185,13 +185,6 @@ static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *
 	return 1;
 }
 
-static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	if (*ptr == CHAP_MD5)
-		return LCP_OPT_ACK;
-	return LCP_OPT_NAK;
-}
-
 static void chap_send_failure(struct chap_auth_data *ad)
 {
 	struct chap_failure msg = {
@@ -441,7 +434,6 @@ static struct ppp_auth_handler_t chap=
 	.init          = auth_data_init,
 	.free          = auth_data_free,
 	.send_conf_req = lcp_send_conf_req,
-	.recv_conf_req = lcp_recv_conf_req,
 	.start         = chap_start,
 	.finish        = chap_finish,
 	.check         = chap_check,

accel-pppd/auth/auth_mschap_v1.c

@@ -186,13 +186,6 @@ static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *
 	return 1;
 }
 
-static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	if (*ptr == MSCHAP_V1)
-		return LCP_OPT_ACK;
-	return LCP_OPT_NAK;
-}
-
 static void chap_send_failure(struct chap_auth_data *ad, char *mschap_error)
 {
 	struct chap_hdr *hdr = _malloc(sizeof(*hdr) + strlen(mschap_error) + 1);
@@ -514,7 +507,6 @@ static struct ppp_auth_handler_t chap = {
 	.init          = auth_data_init,
 	.free          = auth_data_free,
 	.send_conf_req = lcp_send_conf_req,
-	.recv_conf_req = lcp_recv_conf_req,
 	.start         = chap_start,
 	.finish        = chap_finish,
 	.check         = chap_check,

accel-pppd/auth/auth_mschap_v2.c

@@ -187,13 +187,6 @@ static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *
 	return 1;
 }
 
-static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	if (*ptr == MSCHAP_V2)
-		return LCP_OPT_ACK;
-	return LCP_OPT_NAK;
-}
-
 static void chap_send_failure(struct chap_auth_data *ad, char *mschap_error, char *reply_msg)
 {
 	struct chap_hdr *hdr = _malloc(sizeof(*hdr) + strlen(mschap_error) + strlen(reply_msg) + 4);
@@ -662,7 +655,6 @@ static struct ppp_auth_handler_t chap=
 	.init          = auth_data_init,
 	.free          = auth_data_free,
 	.send_conf_req = lcp_send_conf_req,
-	.recv_conf_req = lcp_recv_conf_req,
 	.start         = chap_start,
 	.finish        = chap_finish,
 	.check         = chap_check,

accel-pppd/auth/auth_pap.c

@@ -29,7 +29,6 @@ static int conf_any_login = 0;
 static struct auth_data_t* auth_data_init(struct ppp_t *ppp);
 static void auth_data_free(struct ppp_t*, struct auth_data_t*);
 static int lcp_send_conf_req(struct ppp_t*, struct auth_data_t*, uint8_t*);
-static int lcp_recv_conf_req(struct ppp_t*, struct auth_data_t*, uint8_t*);
 static int pap_start(struct ppp_t*, struct auth_data_t*);
 static int pap_finish(struct ppp_t*, struct auth_data_t*);
 static void pap_recv(struct ppp_handler_t*h);
@@ -64,7 +63,6 @@ static struct ppp_auth_handler_t pap= {
 	.init          = auth_data_init,
 	.free          = auth_data_free,
 	.send_conf_req = lcp_send_conf_req,
-	.recv_conf_req = lcp_recv_conf_req,
 	.start         = pap_start,
 	.finish        = pap_finish,
 };
@@ -132,11 +130,6 @@ static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *
 	return 0;
 }
 
-static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	return LCP_OPT_ACK;
-}
-
 static void pap_send_ack(struct pap_auth_data *p, int id)
 {
 	uint8_t buf[128];

accel-pppd/ppp/ppp_auth.h

@@ -22,7 +22,6 @@ struct ppp_auth_handler_t
 	const char *name;
 	struct auth_data_t* (*init)(struct ppp_t*);
 	int (*send_conf_req)(struct ppp_t*, struct auth_data_t*, uint8_t*);
-	int (*recv_conf_req)(struct ppp_t*, struct auth_data_t*, uint8_t*);
 	int (*start)(struct ppp_t*, struct auth_data_t*);
 	int (*finish)(struct ppp_t*, struct auth_data_t*);
 	void (*free)(struct ppp_t*,struct auth_data_t*);