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Commit b7e0fe9f authored by Vlad Yasevich's avatar Vlad Yasevich
Browse files

SCTP: Fix build issues with SCTP AUTH. 



SCTP-AUTH requires selection of CRYPTO, HMAC and SHA1 since
SHA1 is a MUST requirement for AUTH.  We also support SHA256,
but that's optional, so fix the code to treat it as such.

Signed-off-by: default avatarVlad Yasevich <vladislav.yasevich@hp.com>
parent 555d3d5d

include/net/sctp/constants.h

+6 −3
Original line number Diff line number Diff line
@@ -441,11 +441,14 @@ enum { 
	SCTP_AUTH_HMAC_ID_RESERVED_0,

	SCTP_AUTH_HMAC_ID_SHA1,

	SCTP_AUTH_HMAC_ID_RESERVED_2,

	SCTP_AUTH_HMAC_ID_SHA256

#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)

	SCTP_AUTH_HMAC_ID_SHA256,

#endif

	__SCTP_AUTH_HMAC_MAX

};



#define SCTP_AUTH_HMAC_ID_MAX	SCTP_AUTH_HMAC_ID_SHA256

#define SCTP_AUTH_NUM_HMACS (SCTP_AUTH_HMAC_ID_SHA256 + 1)

#define SCTP_AUTH_HMAC_ID_MAX	__SCTP_AUTH_HMAC_MAX - 1

#define SCTP_AUTH_NUM_HMACS 	__SCTP_AUTH_HMAC_MAX

#define SCTP_SHA1_SIG_SIZE 20

#define SCTP_SHA256_SIG_SIZE 32

net/sctp/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -6,9 +6,9 @@ menuconfig IP_SCTP 
	tristate "The SCTP Protocol (EXPERIMENTAL)"

	depends on INET && EXPERIMENTAL

	depends on IPV6 || IPV6=n

	select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5

	select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5

	select CRYPTO_SHA1 if SCTP_HMAC_SHA1

	select CRYPTO

	select CRYPTO_HMAC

	select CRYPTO_SHA1

	select CRYPTO_MD5 if SCTP_HMAC_MD5

	---help---

	  Stream Control Transmission Protocol

net/sctp/auth.c

+2 −0
Original line number Diff line number Diff line
@@ -54,11 +54,13 @@ static struct sctp_hmac sctp_hmac_list[SCTP_AUTH_NUM_HMACS] = { 
		/* id 2 is reserved as well */

		.hmac_id = SCTP_AUTH_HMAC_ID_RESERVED_2,

	},

#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)

	{

		.hmac_id = SCTP_AUTH_HMAC_ID_SHA256,

		.hmac_name="hmac(sha256)",

		.hmac_len = SCTP_SHA256_SIG_SIZE,

	}

#endif

};