#include <sys/cdefs.h>
#include <netinet/sctp_os.h>
#include <netinet/sctp.h>
#include <netinet/sctp_header.h>
#include <netinet/sctp_pcb.h>
#include <netinet/sctp_var.h>
#include <netinet/sctp_sysctl.h>
#include <netinet/sctputil.h>
#include <netinet/sctp_indata.h>
#include <netinet/sctp_output.h>
#include <netinet/sctp_auth.h>

Include dependency graph for sctp_auth.c:

Functions
	__FBSDID ("$FreeBSD$")

void	sctp_clear_chunklist (sctp_auth_chklist_t *chklist)

sctp_auth_chklist_t *	sctp_alloc_chunklist (void)

void	sctp_free_chunklist (sctp_auth_chklist_t *list)

sctp_auth_chklist_t *	sctp_copy_chunklist (sctp_auth_chklist_t *list)

int	sctp_auth_add_chunk (uint8_t chunk, sctp_auth_chklist_t *list)

int	sctp_auth_delete_chunk (uint8_t chunk, sctp_auth_chklist_t *list)

size_t	sctp_auth_get_chklist_size (const sctp_auth_chklist_t *list)

int	sctp_serialize_auth_chunks (const sctp_auth_chklist_t list, uint8_t ptr)

int	sctp_pack_auth_chunks (const sctp_auth_chklist_t list, uint8_t ptr)

int	sctp_unpack_auth_chunks (const uint8_t ptr, uint8_t num_chunks, sctp_auth_chklist_t list)

sctp_key_t *	sctp_alloc_key (uint32_t keylen)

void	sctp_free_key (sctp_key_t *key)

void	sctp_print_key (sctp_key_t key, const char str)

void	sctp_show_key (sctp_key_t key, const char str)

static uint32_t	sctp_get_keylen (sctp_key_t *key)

sctp_key_t *	sctp_generate_random_key (uint32_t keylen)

sctp_key_t *	sctp_set_key (uint8_t *key, uint32_t keylen)

static int	sctp_compare_key (sctp_key_t key1, sctp_key_t key2)

sctp_key_t *	sctp_compute_hashkey (sctp_key_t key1, sctp_key_t key2, sctp_key_t *shared)

sctp_sharedkey_t *	sctp_alloc_sharedkey (void)

void	sctp_free_sharedkey (sctp_sharedkey_t *skey)

sctp_sharedkey_t *	sctp_find_sharedkey (struct sctp_keyhead *shared_keys, uint16_t key_id)

int	sctp_insert_sharedkey (struct sctp_keyhead shared_keys, sctp_sharedkey_t new_skey)

void	sctp_auth_key_acquire (struct sctp_tcb *stcb, uint16_t key_id)

void	sctp_auth_key_release (struct sctp_tcb *stcb, uint16_t key_id, int so_locked)

static sctp_sharedkey_t *	sctp_copy_sharedkey (const sctp_sharedkey_t *skey)

int	sctp_copy_skeylist (const struct sctp_keyhead src, struct sctp_keyhead dest)

sctp_hmaclist_t *	sctp_alloc_hmaclist (uint16_t num_hmacs)

void	sctp_free_hmaclist (sctp_hmaclist_t *list)

int	sctp_auth_add_hmacid (sctp_hmaclist_t *list, uint16_t hmac_id)

sctp_hmaclist_t *	sctp_copy_hmaclist (sctp_hmaclist_t *list)

sctp_hmaclist_t *	sctp_default_supported_hmaclist (void)

uint16_t	sctp_negotiate_hmacid (sctp_hmaclist_t peer, sctp_hmaclist_t local)

int	sctp_serialize_hmaclist (sctp_hmaclist_t list, uint8_t ptr)

int	sctp_verify_hmac_param (struct sctp_auth_hmac_algo *hmacs, uint32_t num_hmacs)

sctp_authinfo_t *	sctp_alloc_authinfo (void)

void	sctp_free_authinfo (sctp_authinfo_t *authinfo)

uint32_t	sctp_get_auth_chunk_len (uint16_t hmac_algo)

uint32_t	sctp_get_hmac_digest_len (uint16_t hmac_algo)

static int	sctp_get_hmac_block_len (uint16_t hmac_algo)

static void	sctp_hmac_init (uint16_t hmac_algo, sctp_hash_context_t *ctx)

static void	sctp_hmac_update (uint16_t hmac_algo, sctp_hash_context_t ctx, uint8_t text, uint32_t textlen)

static void	sctp_hmac_final (uint16_t hmac_algo, sctp_hash_context_t ctx, uint8_t digest)

uint32_t	sctp_hmac (uint16_t hmac_algo, uint8_t key, uint32_t keylen, uint8_t text, uint32_t textlen, uint8_t *digest)

uint32_t	sctp_hmac_m (uint16_t hmac_algo, uint8_t key, uint32_t keylen, struct mbuf m, uint32_t m_offset, uint8_t *digest, uint32_t trailer)

uint32_t	sctp_compute_hmac (uint16_t hmac_algo, sctp_key_t key, uint8_t text, uint32_t textlen, uint8_t *digest)

uint32_t	sctp_compute_hmac_m (uint16_t hmac_algo, sctp_key_t key, struct mbuf m, uint32_t m_offset, uint8_t *digest)

int	sctp_auth_is_supported_hmac (sctp_hmaclist_t *list, uint16_t id)

void	sctp_clear_cachedkeys (struct sctp_tcb *stcb, uint16_t keyid)

void	sctp_clear_cachedkeys_ep (struct sctp_inpcb *inp, uint16_t keyid)

int	sctp_delete_sharedkey (struct sctp_tcb *stcb, uint16_t keyid)

int	sctp_delete_sharedkey_ep (struct sctp_inpcb *inp, uint16_t keyid)

int	sctp_auth_setactivekey (struct sctp_tcb *stcb, uint16_t keyid)

int	sctp_auth_setactivekey_ep (struct sctp_inpcb *inp, uint16_t keyid)

int	sctp_deact_sharedkey (struct sctp_tcb *stcb, uint16_t keyid)

int	sctp_deact_sharedkey_ep (struct sctp_inpcb *inp, uint16_t keyid)

void	sctp_auth_get_cookie_params (struct sctp_tcb stcb, struct mbuf m, uint32_t offset, uint32_t length)

void	sctp_fill_hmac_digest_m (struct mbuf m, uint32_t auth_offset, struct sctp_auth_chunk auth, struct sctp_tcb *stcb, uint16_t keyid)

static void	sctp_zero_m (struct mbuf *m, uint32_t m_offset, uint32_t size)

int	sctp_handle_auth (struct sctp_tcb stcb, struct sctp_auth_chunk auth, struct mbuf *m, uint32_t offset)

void	sctp_notify_authentication (struct sctp_tcb *stcb, uint32_t indication, uint16_t keyid, uint16_t alt_keyid, int so_locked)

int	sctp_validate_init_auth_params (struct mbuf *m, int offset, int limit)

void	sctp_initialize_auth_params (struct sctp_inpcb inp, struct sctp_tcb stcb)

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ sctp_alloc_authinfo()

sctp_authinfo_t * sctp_alloc_authinfo ( void )

Definition at line 779 of file sctp_auth.c.

References SCTP_MALLOC.

◆ sctp_alloc_chunklist()

sctp_auth_chklist_t * sctp_alloc_chunklist ( void )

Definition at line 62 of file sctp_auth.c.

References sctp_clear_chunklist(), SCTP_DEBUG_AUTH1, SCTP_MALLOC, and SCTPDBG.

Referenced by sctp_auth_get_cookie_params(), sctp_copy_chunklist(), sctp_inpcb_alloc(), and sctp_load_addresses_from_init().

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◆ sctp_alloc_hmaclist()

sctp_hmaclist_t * sctp_alloc_hmaclist ( uint16_t num_hmacs )

Definition at line 630 of file sctp_auth.c.

References sctp_hmaclist::hmac, sctp_hmaclist::max_algo, sctp_hmaclist::num_algo, and SCTP_MALLOC.

Referenced by sctp_auth_get_cookie_params(), sctp_copy_hmaclist(), sctp_default_supported_hmaclist(), sctp_load_addresses_from_init(), and sctp_setopt().

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◆ sctp_alloc_key()

sctp_key_t * sctp_alloc_key ( uint32_t keylen )

Definition at line 244 of file sctp_auth.c.

References sctp_key::keylen, and SCTP_MALLOC.

Referenced by sctp_auth_get_cookie_params(), sctp_compute_hashkey(), sctp_generate_random_key(), sctp_initialize_auth_params(), sctp_load_addresses_from_init(), and sctp_set_key().

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◆ sctp_alloc_sharedkey()

sctp_sharedkey_t * sctp_alloc_sharedkey ( void )

Definition at line 457 of file sctp_auth.c.

References sctp_shared_key::deactivated, sctp_shared_key::key, sctp_shared_key::keyid, sctp_shared_key::refcount, and SCTP_MALLOC.

Referenced by sctp_copy_sharedkey(), sctp_inpcb_alloc(), and sctp_setopt().

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◆ sctp_auth_add_chunk()

int sctp_auth_add_chunk	(	uint8_t	chunk,
		sctp_auth_chklist_t *	list
	)

Definition at line 105 of file sctp_auth.c.

References sctp_auth_chklist::chunks, sctp_auth_chklist::num_chunks, SCTP_AUTHENTICATION, SCTP_DEBUG_AUTH1, SCTP_INITIATION, SCTP_INITIATION_ACK, SCTP_SHUTDOWN_COMPLETE, and SCTPDBG.

Referenced by sctp_auth_get_cookie_params(), sctp_inpcb_alloc(), sctp_load_addresses_from_init(), sctp_setopt(), and sctp_unpack_auth_chunks().

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◆ sctp_auth_add_hmacid()

int sctp_auth_add_hmacid	(	sctp_hmaclist_t *	list,
		uint16_t	hmac_id
	)

Definition at line 656 of file sctp_auth.c.

References sctp_hmaclist::hmac, sctp_hmaclist::max_algo, sctp_hmaclist::num_algo, SCTP_AUTH_HMAC_ID_SHA1, SCTP_AUTH_HMAC_ID_SHA256, SCTP_DEBUG_AUTH1, and SCTPDBG.

Referenced by sctp_auth_get_cookie_params(), sctp_default_supported_hmaclist(), sctp_load_addresses_from_init(), and sctp_setopt().

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◆ sctp_auth_delete_chunk()

int sctp_auth_delete_chunk	(	uint8_t	chunk,
		sctp_auth_chklist_t *	list
	)

Definition at line 131 of file sctp_auth.c.

References sctp_auth_chklist::chunks, sctp_auth_chklist::num_chunks, SCTP_DEBUG_AUTH1, and SCTPDBG.

Referenced by sctp_setopt().

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◆ sctp_auth_get_chklist_size()

size_t sctp_auth_get_chklist_size ( const sctp_auth_chklist_t * list )

Definition at line 147 of file sctp_auth.c.

References sctp_auth_chklist::num_chunks.

Referenced by sctp_getopt(), and sctp_send_initiate().

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◆ sctp_auth_get_cookie_params()

void sctp_auth_get_cookie_params	(	struct sctp_tcb *	stcb,
		struct mbuf *	m,
		uint32_t	offset,
		uint32_t	length
	)

Definition at line 1362 of file sctp_auth.c.

References sctp_authinformation::active_keyid, sctp_tcb::asoc, sctp_authinformation::assoc_keyid, sctp_association::authinfo, sctp_pcb::default_keyid, sctp_key::key, sctp_association::local_auth_chunks, sctp_association::local_hmacs, sctp_paramhdr::param_length, sctp_paramhdr::param_type, sctp_association::peer_hmac_id, sctp_association::peer_hmacs, sctp_authinformation::random, sctp_authinformation::random_len, sctp_authinformation::recv_keyid, sctp_alloc_chunklist(), sctp_alloc_hmaclist(), sctp_alloc_key(), sctp_auth_add_chunk(), sctp_auth_add_hmacid(), SCTP_CHUNK_LIST, sctp_clear_cachedkeys(), sctp_clear_chunklist(), sctp_copy_skeylist(), sctp_inpcb::sctp_ep, sctp_tcb::sctp_ep, sctp_free_hmaclist(), sctp_free_key(), sctp_get_next_param(), SCTP_HMAC_LIST, sctp_m_getptr(), sctp_negotiate_hmacid(), SCTP_PARAM_BUFFER_SIZE, SCTP_RANDOM, SCTP_SIZE32, sctp_pcb::shared_keys, and sctp_association::shared_keys.

Referenced by sctp_process_cookie_new().

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◆ sctp_auth_is_supported_hmac()

int sctp_auth_is_supported_hmac	(	sctp_hmaclist_t *	list,
		uint16_t	id
	)

Definition at line 1124 of file sctp_auth.c.

References sctp_hmaclist::hmac, sctp_hmaclist::num_algo, and SCTP_AUTH_HMAC_ID_RSVD.

Referenced by sctp_handle_auth().

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◆ sctp_auth_key_acquire()

void sctp_auth_key_acquire	(	struct sctp_tcb *	stcb,
		uint16_t	key_id
	)

Definition at line 547 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_shared_key::refcount, SCTP_DEBUG_AUTH2, sctp_find_sharedkey(), SCTPDBG, and sctp_association::shared_keys.

Referenced by sctp_copy_it_in(), sctp_move_to_outqueue(), and sctp_msg_append().

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◆ sctp_auth_key_release()

void sctp_auth_key_release	(	struct sctp_tcb *	stcb,
		uint16_t	key_id,
		int	so_locked
	)

Definition at line 564 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_shared_key::deactivated, sctp_shared_key::refcount, SCTP_DEBUG_AUTH2, sctp_find_sharedkey(), sctp_free_sharedkey(), SCTP_NOTIFY_AUTH_FREE_KEY, sctp_ulp_notify(), SCTPDBG, and sctp_association::shared_keys.

Referenced by sctp_clean_up_stream(), sctp_free_assoc(), and sctp_process_cookie_existing().

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◆ sctp_auth_setactivekey()

int sctp_auth_setactivekey	(	struct sctp_tcb *	stcb,
		uint16_t	keyid
	)

Definition at line 1252 of file sctp_auth.c.

References sctp_authinformation::active_keyid, sctp_tcb::asoc, sctp_association::authinfo, sctp_shared_key::deactivated, sctp_shared_key::refcount, sctp_find_sharedkey(), and sctp_association::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_auth_setactivekey_ep()

int sctp_auth_setactivekey_ep	(	struct sctp_inpcb *	inp,
		uint16_t	keyid
	)

Definition at line 1280 of file sctp_auth.c.

References sctp_pcb::default_keyid, sctp_inpcb::sctp_ep, sctp_find_sharedkey(), and sctp_pcb::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_clear_cachedkeys()

void sctp_clear_cachedkeys	(	struct sctp_tcb *	stcb,
		uint16_t	keyid
	)

Definition at line 1145 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_authinformation::assoc_key, sctp_authinformation::assoc_keyid, sctp_association::authinfo, sctp_authinformation::recv_key, sctp_authinformation::recv_keyid, and sctp_free_key().

Referenced by sctp_auth_get_cookie_params(), sctp_clear_cachedkeys_ep(), sctp_delete_sharedkey(), sctp_load_addresses_from_init(), and sctp_setopt().

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◆ sctp_clear_cachedkeys_ep()

void sctp_clear_cachedkeys_ep	(	struct sctp_inpcb *	inp,
		uint16_t	keyid
	)

Definition at line 1166 of file sctp_auth.c.

References sctp_inpcb::sctp_asoc_list, sctp_clear_cachedkeys(), SCTP_TCB_LOCK, and SCTP_TCB_UNLOCK.

Referenced by sctp_delete_sharedkey_ep(), and sctp_setopt().

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◆ sctp_clear_chunklist()

void sctp_clear_chunklist ( sctp_auth_chklist_t * chklist )

Definition at line 55 of file sctp_auth.c.

Referenced by sctp_alloc_chunklist(), sctp_auth_get_cookie_params(), and sctp_load_addresses_from_init().

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◆ sctp_compare_key()

static int sctp_compare_key	(	sctp_key_t *	key1,
		sctp_key_t *	key2
	)

static

Definition at line 351 of file sctp_auth.c.

References sctp_key::key, and sctp_get_keylen().

Referenced by sctp_compute_hashkey().

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◆ sctp_compute_hashkey()

sctp_key_t * sctp_compute_hashkey	(	sctp_key_t *	key1,
		sctp_key_t *	key2,
		sctp_key_t *	shared
	)

Definition at line 402 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, sctp_alloc_key(), sctp_compare_key(), and sctp_get_keylen().

Referenced by sctp_fill_hmac_digest_m(), and sctp_handle_auth().

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◆ sctp_compute_hmac()

uint32_t sctp_compute_hmac	(	uint16_t	hmac_algo,
		sctp_key_t *	key,
		uint8_t *	text,
		uint32_t	textlen,
		uint8_t *	digest
	)

Definition at line 1057 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, SCTP_AUTH_DIGEST_LEN_MAX, sctp_get_hmac_block_len(), sctp_get_hmac_digest_len(), sctp_hmac(), sctp_hmac_final(), sctp_hmac_init(), and sctp_hmac_update().

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◆ sctp_compute_hmac_m()

uint32_t sctp_compute_hmac_m	(	uint16_t	hmac_algo,
		sctp_key_t *	key,
		struct mbuf *	m,
		uint32_t	m_offset,
		uint8_t *	digest
	)

Definition at line 1092 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, SCTP_AUTH_DIGEST_LEN_MAX, sctp_get_hmac_block_len(), sctp_get_hmac_digest_len(), sctp_hmac_final(), sctp_hmac_init(), sctp_hmac_m(), and sctp_hmac_update().

Referenced by sctp_fill_hmac_digest_m(), and sctp_handle_auth().

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◆ sctp_copy_chunklist()

sctp_auth_chklist_t * sctp_copy_chunklist ( sctp_auth_chklist_t * list )

Definition at line 84 of file sctp_auth.c.

References sctp_alloc_chunklist().

Referenced by sctp_do_peeloff(), sctp_handle_cookie_echo(), and sctp_initialize_auth_params().

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◆ sctp_copy_hmaclist()

sctp_hmaclist_t * sctp_copy_hmaclist ( sctp_hmaclist_t * list )

Definition at line 684 of file sctp_auth.c.

References sctp_hmaclist::hmac, sctp_hmaclist::max_algo, sctp_hmaclist::num_algo, and sctp_alloc_hmaclist().

Referenced by sctp_do_peeloff(), sctp_handle_cookie_echo(), and sctp_initialize_auth_params().

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◆ sctp_copy_sharedkey()

static sctp_sharedkey_t * sctp_copy_sharedkey ( const sctp_sharedkey_t * skey )

static

Definition at line 591 of file sctp_auth.c.

References sctp_key::key, sctp_shared_key::key, sctp_shared_key::keyid, sctp_key::keylen, sctp_alloc_sharedkey(), and sctp_set_key().

Referenced by sctp_copy_skeylist().

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◆ sctp_copy_skeylist()

int sctp_copy_skeylist	(	const struct sctp_keyhead *	src,
		struct sctp_keyhead *	dest
	)

Definition at line 609 of file sctp_auth.c.

References count, next, sctp_copy_sharedkey(), sctp_free_sharedkey(), and sctp_insert_sharedkey().

Referenced by sctp_auth_get_cookie_params(), sctp_do_peeloff(), and sctp_initialize_auth_params().

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◆ sctp_deact_sharedkey()

int sctp_deact_sharedkey	(	struct sctp_tcb *	stcb,
		uint16_t	keyid
	)

Definition at line 1299 of file sctp_auth.c.

References sctp_authinformation::active_keyid, sctp_tcb::asoc, sctp_association::authinfo, sctp_shared_key::deactivated, sctp_shared_key::refcount, sctp_find_sharedkey(), SCTP_NOTIFY_AUTH_FREE_KEY, SCTP_SO_LOCKED, sctp_ulp_notify(), and sctp_association::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_deact_sharedkey_ep()

int sctp_deact_sharedkey_ep	(	struct sctp_inpcb *	inp,
		uint16_t	keyid
	)

Definition at line 1333 of file sctp_auth.c.

References sctp_pcb::default_keyid, next, sctp_inpcb::sctp_ep, sctp_find_sharedkey(), sctp_free_sharedkey(), and sctp_pcb::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_default_supported_hmaclist()

sctp_hmaclist_t * sctp_default_supported_hmaclist ( void )

Definition at line 704 of file sctp_auth.c.

References sctp_alloc_hmaclist(), sctp_auth_add_hmacid(), SCTP_AUTH_HMAC_ID_SHA1, and SCTP_AUTH_HMAC_ID_SHA256.

Referenced by sctp_inpcb_alloc().

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◆ sctp_delete_sharedkey()

int sctp_delete_sharedkey	(	struct sctp_tcb *	stcb,
		uint16_t	keyid
	)

Definition at line 1186 of file sctp_auth.c.

References sctp_authinformation::active_keyid, sctp_tcb::asoc, sctp_association::authinfo, next, sctp_shared_key::refcount, sctp_clear_cachedkeys(), sctp_find_sharedkey(), sctp_free_sharedkey(), and sctp_association::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_delete_sharedkey_ep()

int sctp_delete_sharedkey_ep	(	struct sctp_inpcb *	inp,
		uint16_t	keyid
	)

Definition at line 1220 of file sctp_auth.c.

References sctp_pcb::default_keyid, next, sctp_clear_cachedkeys_ep(), sctp_inpcb::sctp_ep, sctp_find_sharedkey(), sctp_free_sharedkey(), and sctp_pcb::shared_keys.

Referenced by sctp_setopt().

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◆ sctp_fill_hmac_digest_m()

void sctp_fill_hmac_digest_m	(	struct mbuf *	m,
		uint32_t	auth_offset,
		struct sctp_auth_chunk *	auth,
		struct sctp_tcb *	stcb,
		uint16_t	keyid
	)

Definition at line 1502 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_authinformation::assoc_key, sctp_authinformation::assoc_keyid, sctp_association::authinfo, sctp_auth_chunk::hmac, sctp_shared_key::key, sctp_association::peer_hmac_id, sctp_authinformation::peer_random, sctp_authinformation::random, sctp_compute_hashkey(), sctp_compute_hmac_m(), SCTP_DEBUG_AUTH1, sctp_find_sharedkey(), sctp_free_key(), sctp_get_hmac_digest_len(), sctp_print_key(), SCTP_SIZE32, SCTPDBG, sctp_auth_chunk::shared_key_id, and sctp_association::shared_keys.

Referenced by sctp_lowlevel_chunk_output().

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◆ sctp_find_sharedkey()

sctp_sharedkey_t * sctp_find_sharedkey	(	struct sctp_keyhead *	shared_keys,
		uint16_t	key_id
	)

Definition at line 488 of file sctp_auth.c.

References sctp_shared_key::keyid, and next.

Referenced by sctp_auth_key_acquire(), sctp_auth_key_release(), sctp_auth_setactivekey(), sctp_auth_setactivekey_ep(), sctp_deact_sharedkey(), sctp_deact_sharedkey_ep(), sctp_delete_sharedkey(), sctp_delete_sharedkey_ep(), sctp_fill_hmac_digest_m(), and sctp_handle_auth().

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◆ sctp_free_authinfo()

void sctp_free_authinfo ( sctp_authinfo_t * authinfo )

Definition at line 795 of file sctp_auth.c.

References sctp_authinformation::assoc_key, sctp_authinformation::peer_random, sctp_authinformation::random, sctp_authinformation::recv_key, and sctp_free_key().

Referenced by sctp_free_assoc().

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◆ sctp_free_chunklist()

void sctp_free_chunklist ( sctp_auth_chklist_t * list )

Definition at line 77 of file sctp_auth.c.

References SCTP_FREE.

Referenced by sctp_do_peeloff(), sctp_free_assoc(), sctp_handle_cookie_echo(), and sctp_inpcb_free().

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◆ sctp_free_hmaclist()

void sctp_free_hmaclist ( sctp_hmaclist_t * list )

Definition at line 648 of file sctp_auth.c.

References SCTP_FREE.

Referenced by sctp_auth_get_cookie_params(), sctp_do_peeloff(), sctp_free_assoc(), sctp_handle_cookie_echo(), sctp_inpcb_free(), sctp_load_addresses_from_init(), and sctp_setopt().

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◆ sctp_free_key()

void sctp_free_key ( sctp_key_t * key )

Definition at line 259 of file sctp_auth.c.

References SCTP_FREE.

Referenced by sctp_auth_get_cookie_params(), sctp_clear_cachedkeys(), sctp_fill_hmac_digest_m(), sctp_free_authinfo(), sctp_free_sharedkey(), sctp_handle_auth(), sctp_initialize_auth_params(), sctp_load_addresses_from_init(), and sctp_setopt().

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◆ sctp_free_sharedkey()

void sctp_free_sharedkey ( sctp_sharedkey_t * skey )

Definition at line 475 of file sctp_auth.c.

References sctp_shared_key::key, sctp_shared_key::refcount, SCTP_DECREMENT_AND_CHECK_REFCOUNT, SCTP_FREE, and sctp_free_key().

Referenced by sctp_auth_key_release(), sctp_copy_skeylist(), sctp_deact_sharedkey_ep(), sctp_delete_sharedkey(), sctp_delete_sharedkey_ep(), sctp_free_assoc(), sctp_inpcb_free(), and sctp_insert_sharedkey().

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◆ sctp_generate_random_key()

sctp_key_t * sctp_generate_random_key ( uint32_t keylen )

Definition at line 316 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, sctp_alloc_key(), and SCTP_READ_RANDOM.

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◆ sctp_get_auth_chunk_len()

uint32_t sctp_get_auth_chunk_len ( uint16_t hmac_algo )

Definition at line 814 of file sctp_auth.c.

References sctp_get_hmac_digest_len(), and SCTP_SIZE32.

Referenced by sctp_chunk_retransmission(), sctp_get_frag_point(), sctp_med_chunk_output(), and sctp_pathmtu_adjustment().

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◆ sctp_get_hmac_block_len()

static int sctp_get_hmac_block_len ( uint16_t hmac_algo )

inlinestatic

Definition at line 837 of file sctp_auth.c.

References SCTP_AUTH_HMAC_ID_RSVD, SCTP_AUTH_HMAC_ID_SHA1, and SCTP_AUTH_HMAC_ID_SHA256.

Referenced by sctp_compute_hmac(), sctp_compute_hmac_m(), sctp_hmac(), and sctp_hmac_m().

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◆ sctp_get_hmac_digest_len()

uint32_t sctp_get_hmac_digest_len ( uint16_t hmac_algo )

Definition at line 823 of file sctp_auth.c.

References SCTP_AUTH_DIGEST_LEN_SHA1, SCTP_AUTH_DIGEST_LEN_SHA256, SCTP_AUTH_HMAC_ID_SHA1, and SCTP_AUTH_HMAC_ID_SHA256.

Referenced by sctp_add_auth_chunk(), sctp_compute_hmac(), sctp_compute_hmac_m(), sctp_fill_hmac_digest_m(), sctp_get_auth_chunk_len(), sctp_handle_auth(), sctp_hmac(), and sctp_hmac_m().

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◆ sctp_get_keylen()

static uint32_t sctp_get_keylen ( sctp_key_t * key )

static

Definition at line 304 of file sctp_auth.c.

References sctp_key::keylen.

Referenced by sctp_compare_key(), and sctp_compute_hashkey().

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◆ sctp_handle_auth()

int sctp_handle_auth	(	struct sctp_tcb *	stcb,
		struct sctp_auth_chunk *	auth,
		struct mbuf *	m,
		uint32_t	offset
	)

Definition at line 1590 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_association::authinfo, sctp_error_auth_invalid_hmac::cause, sctp_auth_chunk::ch, sctp_chunkhdr::chunk_length, sctp_error_cause::code, sctp_auth_chunk::hmac, sctp_error_auth_invalid_hmac::hmac_id, sctp_auth_chunk::hmac_id, sctp_shared_key::key, sctp_error_cause::length, sctp_association::local_hmacs, sctp_authinformation::peer_random, sctp_authinformation::random, sctp_authinformation::recv_key, sctp_authinformation::recv_keyid, SCTP_AUTH_DIGEST_LEN_MAX, sctp_auth_is_supported_hmac(), SCTP_AUTH_NEW_KEY, SCTP_BUF_LEN, SCTP_BUF_RESV_UF, SCTP_CAUSE_UNSUPPORTED_HMACID, sctp_compute_hashkey(), sctp_compute_hmac_m(), SCTP_DEBUG_AUTH1, sctp_find_sharedkey(), sctp_free_key(), sctp_get_hmac_digest_len(), sctp_get_mbuf_for_msg(), sctp_notify_authentication(), sctp_print_key(), sctp_queue_op_err(), SCTP_SIZE32, SCTP_SO_NOT_LOCKED, SCTP_STAT_INCR, sctp_zero_m(), SCTPDBG, sctp_auth_chunk::shared_key_id, and sctp_association::shared_keys.

Referenced by sctp_process_control(), and sctp_process_cookie_new().

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◆ sctp_hmac()

uint32_t sctp_hmac	(	uint16_t	hmac_algo,
		uint8_t *	key,
		uint32_t	keylen,
		uint8_t *	text,
		uint32_t	textlen,
		uint8_t *	digest
	)

Definition at line 915 of file sctp_auth.c.

References SCTP_AUTH_DIGEST_LEN_MAX, sctp_get_hmac_block_len(), sctp_get_hmac_digest_len(), sctp_hmac_final(), sctp_hmac_init(), and sctp_hmac_update().

Referenced by sctp_compute_hmac(), and sctp_fill_random_store().

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◆ sctp_hmac_final()

static void sctp_hmac_final	(	uint16_t	hmac_algo,
		sctp_hash_context_t *	ctx,
		uint8_t *	digest
	)

static

Definition at line 887 of file sctp_auth.c.

References SCTP_AUTH_HMAC_ID_RSVD, SCTP_AUTH_HMAC_ID_SHA1, SCTP_AUTH_HMAC_ID_SHA256, SCTP_SHA1_FINAL, SCTP_SHA256_FINAL, sctp_hash_context::sha1, and sctp_hash_context::sha256.

Referenced by sctp_compute_hmac(), sctp_compute_hmac_m(), sctp_hmac(), and sctp_hmac_m().

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◆ sctp_hmac_init()

static void sctp_hmac_init	(	uint16_t	hmac_algo,
		sctp_hash_context_t *	ctx
	)

static

Definition at line 852 of file sctp_auth.c.

References SCTP_AUTH_HMAC_ID_RSVD, SCTP_AUTH_HMAC_ID_SHA1, SCTP_AUTH_HMAC_ID_SHA256, SCTP_SHA1_INIT, SCTP_SHA256_INIT, sctp_hash_context::sha1, and sctp_hash_context::sha256.

Referenced by sctp_compute_hmac(), sctp_compute_hmac_m(), sctp_hmac(), and sctp_hmac_m().

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◆ sctp_hmac_m()

uint32_t sctp_hmac_m	(	uint16_t	hmac_algo,
		uint8_t *	key,
		uint32_t	keylen,
		struct mbuf *	m,
		uint32_t	m_offset,
		uint8_t *	digest,
		uint32_t	trailer
	)

Definition at line 975 of file sctp_auth.c.

References SCTP_AUTH_DIGEST_LEN_MAX, SCTP_BUF_LEN, SCTP_BUF_NEXT, sctp_get_hmac_block_len(), sctp_get_hmac_digest_len(), sctp_hmac_final(), sctp_hmac_init(), and sctp_hmac_update().

Referenced by sctp_compute_hmac_m(), sctp_handle_cookie_echo(), and sctp_send_initiate_ack().

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◆ sctp_hmac_update()

static void sctp_hmac_update	(	uint16_t	hmac_algo,
		sctp_hash_context_t *	ctx,
		uint8_t *	text,
		uint32_t	textlen
	)

static

Definition at line 869 of file sctp_auth.c.

References SCTP_AUTH_HMAC_ID_RSVD, SCTP_AUTH_HMAC_ID_SHA1, SCTP_AUTH_HMAC_ID_SHA256, SCTP_SHA1_UPDATE, SCTP_SHA256_UPDATE, sctp_hash_context::sha1, and sctp_hash_context::sha256.

Referenced by sctp_compute_hmac(), sctp_compute_hmac_m(), sctp_hmac(), and sctp_hmac_m().

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◆ sctp_initialize_auth_params()

void sctp_initialize_auth_params	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb
	)

Definition at line 1915 of file sctp_auth.c.

References sctp_authinformation::active_keyid, sctp_tcb::asoc, sctp_association::authinfo, sctp_auth_chklist::chunks, sctp_pcb::default_keyid, sctp_hmaclist::hmac, sctp_key::key, sctp_pcb::local_auth_chunks, sctp_association::local_auth_chunks, sctp_pcb::local_hmacs, sctp_association::local_hmacs, sctp_hmaclist::num_algo, sctp_paramhdr::param_length, sctp_paramhdr::param_type, sctp_authinformation::random, sctp_authinformation::random_len, sctp_alloc_key(), SCTP_AUTH_RANDOM_SIZE_DEFAULT, SCTP_CHUNK_LIST, sctp_copy_chunklist(), sctp_copy_hmaclist(), sctp_copy_skeylist(), sctp_inpcb::sctp_ep, sctp_free_key(), SCTP_HMAC_LIST, SCTP_RANDOM, SCTP_READ_RANDOM, sctp_serialize_hmaclist(), sctp_pcb::shared_keys, and sctp_association::shared_keys.

Referenced by sctp_aloc_assoc_locked().

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◆ sctp_insert_sharedkey()

int sctp_insert_sharedkey	(	struct sctp_keyhead *	shared_keys,
		sctp_sharedkey_t *	new_skey
	)

Definition at line 500 of file sctp_auth.c.

References sctp_shared_key::deactivated, sctp_shared_key::keyid, next, sctp_shared_key::refcount, SCTP_DEBUG_AUTH1, sctp_free_sharedkey(), and SCTPDBG.

Referenced by sctp_copy_skeylist(), sctp_inpcb_alloc(), and sctp_setopt().

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◆ sctp_negotiate_hmacid()

uint16_t sctp_negotiate_hmacid	(	sctp_hmaclist_t *	peer,
		sctp_hmaclist_t *	local
	)

Definition at line 722 of file sctp_auth.c.

References sctp_hmaclist::hmac, sctp_hmaclist::num_algo, SCTP_AUTH_HMAC_ID_RSVD, SCTP_DEBUG_AUTH1, and SCTPDBG.

Referenced by sctp_auth_get_cookie_params(), and sctp_process_init_ack().

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◆ sctp_notify_authentication()

void sctp_notify_authentication	(	struct sctp_tcb *	stcb,
		uint32_t	indication,
		uint16_t	keyid,
		uint16_t	alt_keyid,
		int	so_locked
	)

Definition at line 1710 of file sctp_auth.c.

References sctp_tcb::asoc, sctp_authkey_event::auth_altkeynumber, sctp_authkey_event::auth_assoc_id, sctp_authkey_event::auth_flags, sctp_authkey_event::auth_indication, sctp_authkey_event::auth_keynumber, sctp_authkey_event::auth_length, sctp_authkey_event::auth_type, sctp_association::context, sctp_queued_to_read::length, M_NOTIFICATION, sctp_association::primary_destination, sctp_add_to_readq(), SCTP_AUTHENTICATION_EVENT, SCTP_BUF_LEN, SCTP_BUF_NEXT, sctp_build_readq_entry(), sctp_tcb::sctp_ep, sctp_inpcb::sctp_flags, sctp_get_associd, sctp_get_mbuf_for_msg(), sctp_m_freem, SCTP_PCB_FLAGS_AUTHEVNT, SCTP_PCB_FLAGS_SOCKET_ALLGONE, SCTP_PCB_FLAGS_SOCKET_GONE, SCTP_READ_LOCK_NOT_HELD, sctp_tcb::sctp_socket, SCTP_STATE_CLOSED_SOCKET, sctp_stcb_is_feature_off, sctp_queued_to_read::spec_flags, sctp_association::state, sctp_queued_to_read::stcb, and sctp_queued_to_read::tail_mbuf.

Referenced by sctp_handle_auth(), and sctp_ulp_notify().

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◆ sctp_pack_auth_chunks()

int sctp_pack_auth_chunks	(	const sctp_auth_chklist_t *	list,
		uint8_t *	ptr
	)

Definition at line 177 of file sctp_auth.c.

References sctp_auth_chklist::chunks, and sctp_auth_chklist::num_chunks.

◆ sctp_print_key()

void sctp_print_key	(	sctp_key_t *	key,
		const char *	str
	)

Definition at line 266 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, and SCTP_PRINTF.

Referenced by sctp_fill_hmac_digest_m(), and sctp_handle_auth().

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◆ sctp_serialize_auth_chunks()

int sctp_serialize_auth_chunks	(	const sctp_auth_chklist_t *	list,
		uint8_t *	ptr
	)

Definition at line 160 of file sctp_auth.c.

References sctp_auth_chklist::chunks, and count.

Referenced by sctp_getopt(), sctp_send_initiate(), and sctp_send_initiate_ack().

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◆ sctp_serialize_hmaclist()

int sctp_serialize_hmaclist	(	sctp_hmaclist_t *	list,
		uint8_t *	ptr
	)

Definition at line 749 of file sctp_auth.c.

References sctp_hmaclist::hmac, and sctp_hmaclist::num_algo.

Referenced by sctp_initialize_auth_params(), sctp_send_initiate(), and sctp_send_initiate_ack().

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◆ sctp_set_key()

sctp_key_t * sctp_set_key	(	uint8_t *	key,
		uint32_t	keylen
	)

Definition at line 331 of file sctp_auth.c.

References sctp_key::key, and sctp_alloc_key().

Referenced by sctp_copy_sharedkey(), and sctp_setopt().

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◆ sctp_show_key()

void sctp_show_key	(	sctp_key_t *	key,
		const char *	str
	)

Definition at line 285 of file sctp_auth.c.

References sctp_key::key, sctp_key::keylen, and SCTP_PRINTF.

◆ sctp_unpack_auth_chunks()

int sctp_unpack_auth_chunks	(	const uint8_t *	ptr,
		uint8_t	num_chunks,
		sctp_auth_chklist_t *	list
	)

Definition at line 209 of file sctp_auth.c.

References sctp_auth_add_chunk().

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◆ sctp_validate_init_auth_params()

int sctp_validate_init_auth_params	(	struct mbuf *	m,
		int	offset,
		int	limit
	)

Definition at line 1772 of file sctp_auth.c.

References sctp_supported_chunk_types_param::chunk_types, sctp_auth_chunk_list::chunk_types, sctp_auth_hmac_algo::hmac_ids, sctp_paramhdr::param_length, sctp_paramhdr::param_type, SCTP_ASCONF, SCTP_ASCONF_ACK, SCTP_AUTH_RANDOM_SIZE_REQUIRED, SCTP_CHUNK_LIST, SCTP_DEBUG_AUTH1, sctp_get_next_param(), SCTP_HMAC_LIST, SCTP_PARAM_BUFFER_SIZE, SCTP_RANDOM, SCTP_SIZE32, SCTP_SMALL_CHUNK_STORE, SCTP_SUPPORTED_CHUNK_EXT, sctp_verify_hmac_param(), and SCTPDBG.

Referenced by sctp_handle_init().

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◆ sctp_verify_hmac_param()

int sctp_verify_hmac_param	(	struct sctp_auth_hmac_algo *	hmacs,
		uint32_t	num_hmacs
	)

Definition at line 766 of file sctp_auth.c.

References sctp_auth_hmac_algo::hmac_ids, and SCTP_AUTH_HMAC_ID_SHA1.

Referenced by sctp_load_addresses_from_init(), and sctp_validate_init_auth_params().

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◆ sctp_zero_m()

static void sctp_zero_m	(	struct mbuf *	m,
		uint32_t	m_offset,
		uint32_t	size
	)

static

Definition at line 1552 of file sctp_auth.c.

References SCTP_BUF_LEN, and SCTP_BUF_NEXT.

Referenced by sctp_handle_auth().

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Functions

Function Documentation

◆ __FBSDID()

◆ sctp_alloc_authinfo()

◆ sctp_alloc_chunklist()

◆ sctp_alloc_hmaclist()

◆ sctp_alloc_key()

◆ sctp_alloc_sharedkey()

◆ sctp_auth_add_chunk()

◆ sctp_auth_add_hmacid()

◆ sctp_auth_delete_chunk()

◆ sctp_auth_get_chklist_size()

◆ sctp_auth_get_cookie_params()

◆ sctp_auth_is_supported_hmac()

◆ sctp_auth_key_acquire()

◆ sctp_auth_key_release()

◆ sctp_auth_setactivekey()

◆ sctp_auth_setactivekey_ep()

◆ sctp_clear_cachedkeys()

◆ sctp_clear_cachedkeys_ep()

◆ sctp_clear_chunklist()

◆ sctp_compare_key()

◆ sctp_compute_hashkey()

◆ sctp_compute_hmac()

◆ sctp_compute_hmac_m()

◆ sctp_copy_chunklist()

◆ sctp_copy_hmaclist()

◆ sctp_copy_sharedkey()

◆ sctp_copy_skeylist()

◆ sctp_deact_sharedkey()

◆ sctp_deact_sharedkey_ep()

◆ sctp_default_supported_hmaclist()

◆ sctp_delete_sharedkey()

◆ sctp_delete_sharedkey_ep()

◆ sctp_fill_hmac_digest_m()

◆ sctp_find_sharedkey()

◆ sctp_free_authinfo()

◆ sctp_free_chunklist()

◆ sctp_free_hmaclist()

◆ sctp_free_key()

◆ sctp_free_sharedkey()

◆ sctp_generate_random_key()

◆ sctp_get_auth_chunk_len()

◆ sctp_get_hmac_block_len()

◆ sctp_get_hmac_digest_len()

◆ sctp_get_keylen()

◆ sctp_handle_auth()

◆ sctp_hmac()

◆ sctp_hmac_final()

◆ sctp_hmac_init()

◆ sctp_hmac_m()

◆ sctp_hmac_update()

◆ sctp_initialize_auth_params()

◆ sctp_insert_sharedkey()

◆ sctp_negotiate_hmacid()

◆ sctp_notify_authentication()

◆ sctp_pack_auth_chunks()

◆ sctp_print_key()

◆ sctp_serialize_auth_chunks()

◆ sctp_serialize_hmaclist()

◆ sctp_set_key()

◆ sctp_show_key()

◆ sctp_unpack_auth_chunks()

◆ sctp_validate_init_auth_params()

◆ sctp_verify_hmac_param()

◆ sctp_zero_m()