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Commit 6c5a86f5 authored by Steffen Klassert's avatar Steffen Klassert Committed by Herbert Xu
Browse files

crypto: Add userspace report for larval type algorithms 



Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b6aa63c0

crypto/crypto_user.c

+12 −0
Original line number Diff line number Diff line
@@ -84,11 +84,23 @@ static int crypto_report_one(struct crypto_alg *alg, 


	NLA_PUT_U32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority);



	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {

		struct crypto_report_larval rl;



		snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");



		NLA_PUT(skb, CRYPTOCFGA_REPORT_LARVAL,

			sizeof(struct crypto_report_larval), &rl);



		goto out;

	}



	if (alg->cra_type && alg->cra_type->report) {

		if (alg->cra_type->report(skb, alg))

			goto nla_put_failure;

	}



out:

	return 0;



nla_put_failure:

include/linux/cryptouser.h

+5 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ enum { 
enum crypto_attr_type_t {

	CRYPTOCFGA_UNSPEC,

	CRYPTOCFGA_PRIORITY_VAL,	/* __u32 */

	CRYPTOCFGA_REPORT_LARVAL,	/* struct crypto_report_larval */

	__CRYPTOCFGA_MAX



#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
@@ -50,3 +51,7 @@ struct crypto_user_alg { 
	__u32 cru_refcnt;

	__u32 cru_flags;

};



struct crypto_report_larval {

	char type[CRYPTO_MAX_NAME];

};