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Move SSL internal pointer updating routines to public namespace

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This commit is contained in:
Hanno Becker 2020-02-05 10:40:57 +00:00
parent 7876d127a9
commit 3e6f8ab14a
2 changed files with 21 additions and 21 deletions
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5
include/mbedtls/ssl_internal.h
View File

@ -1079,4 +1079,9 @@ static inline size_t mbedtls_ssl_ep_len( const mbedtls_ssl_context *ssl )
void mbedtls_ssl_set_timer( mbedtls_ssl_context *ssl, uint32_t millisecs ); void mbedtls_ssl_set_timer( mbedtls_ssl_context *ssl, uint32_t millisecs );
int mbedtls_ssl_check_timer( mbedtls_ssl_context *ssl ); int mbedtls_ssl_check_timer( mbedtls_ssl_context *ssl );
void mbedtls_ssl_reset_in_out_pointers( mbedtls_ssl_context *ssl );
void mbedtls_ssl_update_out_pointers( mbedtls_ssl_context *ssl,
mbedtls_ssl_transform *transform );
void mbedtls_ssl_update_in_pointers( mbedtls_ssl_context *ssl );
#endif /* ssl_internal.h */ #endif /* ssl_internal.h */

35
library/ssl_tls.c
View File

@ -61,7 +61,6 @@
#include "mbedtls/oid.h" #include "mbedtls/oid.h"
#endif #endif
static void ssl_reset_in_out_pointers( mbedtls_ssl_context *ssl );
static uint32_t ssl_get_hs_total_len( mbedtls_ssl_context const *ssl ); static uint32_t ssl_get_hs_total_len( mbedtls_ssl_context const *ssl );
/* /*
@ -94,10 +93,6 @@ int mbedtls_ssl_check_timer( mbedtls_ssl_context *ssl )
return( 0 ); return( 0 );
} }
static void ssl_update_out_pointers( mbedtls_ssl_context *ssl,
mbedtls_ssl_transform *transform );
static void ssl_update_in_pointers( mbedtls_ssl_context *ssl );
#if defined(MBEDTLS_SSL_RECORD_CHECKING) #if defined(MBEDTLS_SSL_RECORD_CHECKING)
static int ssl_parse_record_header( mbedtls_ssl_context const *ssl, static int ssl_parse_record_header( mbedtls_ssl_context const *ssl,
unsigned char *buf, unsigned char *buf,
@ -3865,7 +3860,7 @@ int mbedtls_ssl_flush_output( mbedtls_ssl_context *ssl )
{ {
ssl->out_hdr = ssl->out_buf + 8; ssl->out_hdr = ssl->out_buf + 8;
} }
ssl_update_out_pointers( ssl, ssl->transform_out ); mbedtls_ssl_update_out_pointers( ssl, ssl->transform_out );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= flush output" ) ); MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= flush output" ) );
@ -3972,7 +3967,7 @@ static void ssl_swap_epochs( mbedtls_ssl_context *ssl )
memcpy( ssl->handshake->alt_out_ctr, tmp_out_ctr, 8 ); memcpy( ssl->handshake->alt_out_ctr, tmp_out_ctr, 8 );
/* Adjust to the newly activated transform */ /* Adjust to the newly activated transform */
ssl_update_out_pointers( ssl, ssl->transform_out ); mbedtls_ssl_update_out_pointers( ssl, ssl->transform_out );
#if defined(MBEDTLS_SSL_HW_RECORD_ACCEL) #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
if( mbedtls_ssl_hw_record_activate != NULL ) if( mbedtls_ssl_hw_record_activate != NULL )
@ -4525,7 +4520,7 @@ int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, uint8_t force_flush )
ssl->out_left += protected_record_size; ssl->out_left += protected_record_size;
ssl->out_hdr += protected_record_size; ssl->out_hdr += protected_record_size;
ssl_update_out_pointers( ssl, ssl->transform_out ); mbedtls_ssl_update_out_pointers( ssl, ssl->transform_out );
for( i = 8; i > mbedtls_ssl_ep_len( ssl ); i-- ) for( i = 8; i > mbedtls_ssl_ep_len( ssl ); i-- )
if( ++ssl->cur_out_ctr[i - 1] != 0 ) if( ++ssl->cur_out_ctr[i - 1] != 0 )
@ -6289,7 +6284,7 @@ static int ssl_get_next_record( mbedtls_ssl_context *ssl )
/* Reset in pointers to default state for TLS/DTLS records, /* Reset in pointers to default state for TLS/DTLS records,
* assuming no CID and no offset between record content and * assuming no CID and no offset between record content and
* record plaintext. */ * record plaintext. */
ssl_update_in_pointers( ssl ); mbedtls_ssl_update_in_pointers( ssl );
/* Setup internal message pointers from record structure. */ /* Setup internal message pointers from record structure. */
ssl->in_msgtype = rec.type; ssl->in_msgtype = rec.type;
@ -6426,7 +6421,7 @@ static int ssl_get_next_record( mbedtls_ssl_context *ssl )
/* Reset in pointers to default state for TLS/DTLS records, /* Reset in pointers to default state for TLS/DTLS records,
* assuming no CID and no offset between record content and * assuming no CID and no offset between record content and
* record plaintext. */ * record plaintext. */
ssl_update_in_pointers( ssl ); mbedtls_ssl_update_in_pointers( ssl );
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
ssl->in_len = ssl->in_cid + rec.cid_len; ssl->in_len = ssl->in_cid + rec.cid_len;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
@ -7561,7 +7556,7 @@ int mbedtls_ssl_parse_change_cipher_spec( mbedtls_ssl_context *ssl )
#endif /* MBEDTLS_SSL_PROTO_DTLS */ #endif /* MBEDTLS_SSL_PROTO_DTLS */
memset( ssl->in_ctr, 0, 8 ); memset( ssl->in_ctr, 0, 8 );
ssl_update_in_pointers( ssl ); mbedtls_ssl_update_in_pointers( ssl );
#if defined(MBEDTLS_SSL_HW_RECORD_ACCEL) #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
if( mbedtls_ssl_hw_record_activate != NULL ) if( mbedtls_ssl_hw_record_activate != NULL )
@ -8091,7 +8086,7 @@ int mbedtls_ssl_write_finished( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished" ) ); MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished" ) );
ssl_update_out_pointers( ssl, ssl->transform_negotiate ); mbedtls_ssl_update_out_pointers( ssl, ssl->transform_negotiate );
ssl->handshake->calc_finished( ssl, ssl->out_msg + 4, ssl->conf->endpoint ); ssl->handshake->calc_finished( ssl, ssl->out_msg + 4, ssl->conf->endpoint );
@ -8479,7 +8474,7 @@ static int ssl_cookie_check_dummy( void *ctx,
* and the caller has to make sure there's space for this. * and the caller has to make sure there's space for this.
*/ */
static void ssl_update_out_pointers( mbedtls_ssl_context *ssl, void mbedtls_ssl_update_out_pointers( mbedtls_ssl_context *ssl,
mbedtls_ssl_transform *transform ) mbedtls_ssl_transform *transform )
{ {
#if defined(MBEDTLS_SSL_PROTO_DTLS) #if defined(MBEDTLS_SSL_PROTO_DTLS)
@ -8525,7 +8520,7 @@ static void ssl_update_out_pointers( mbedtls_ssl_context *ssl,
* and the caller has to make sure there's space for this. * and the caller has to make sure there's space for this.
*/ */
static void ssl_update_in_pointers( mbedtls_ssl_context *ssl ) void mbedtls_ssl_update_in_pointers( mbedtls_ssl_context *ssl )
{ {
/* This function sets the pointers to match the case /* This function sets the pointers to match the case
* of unprotected TLS/DTLS records, with both ssl->in_iv * of unprotected TLS/DTLS records, with both ssl->in_iv
@ -8580,7 +8575,7 @@ void mbedtls_ssl_init( mbedtls_ssl_context *ssl )
* Setup an SSL context * Setup an SSL context
*/ */
static void ssl_reset_in_out_pointers( mbedtls_ssl_context *ssl ) void mbedtls_ssl_reset_in_out_pointers( mbedtls_ssl_context *ssl )
{ {
/* Set the incoming and outgoing record pointers. */ /* Set the incoming and outgoing record pointers. */
#if defined(MBEDTLS_SSL_PROTO_DTLS) #if defined(MBEDTLS_SSL_PROTO_DTLS)
@ -8597,8 +8592,8 @@ static void ssl_reset_in_out_pointers( mbedtls_ssl_context *ssl )
} }
/* Derive other internal pointers. */ /* Derive other internal pointers. */
ssl_update_out_pointers( ssl, NULL /* no transform enabled */ ); mbedtls_ssl_update_out_pointers( ssl, NULL /* no transform enabled */ );
ssl_update_in_pointers ( ssl ); mbedtls_ssl_update_in_pointers ( ssl );
} }
int mbedtls_ssl_setup( mbedtls_ssl_context *ssl, int mbedtls_ssl_setup( mbedtls_ssl_context *ssl,
@ -8631,7 +8626,7 @@ int mbedtls_ssl_setup( mbedtls_ssl_context *ssl,
goto error; goto error;
} }
ssl_reset_in_out_pointers( ssl ); mbedtls_ssl_reset_in_out_pointers( ssl );
if( ( ret = ssl_handshake_init( ssl ) ) != 0 ) if( ( ret = ssl_handshake_init( ssl ) ) != 0 )
goto error; goto error;
@ -8694,7 +8689,7 @@ static int ssl_session_reset_int( mbedtls_ssl_context *ssl, int partial )
ssl->secure_renegotiation = MBEDTLS_SSL_LEGACY_RENEGOTIATION; ssl->secure_renegotiation = MBEDTLS_SSL_LEGACY_RENEGOTIATION;
ssl->in_offt = NULL; ssl->in_offt = NULL;
ssl_reset_in_out_pointers( ssl ); mbedtls_ssl_reset_in_out_pointers( ssl );
ssl->in_msgtype = 0; ssl->in_msgtype = 0;
ssl->in_msglen = 0; ssl->in_msglen = 0;
@ -11986,7 +11981,7 @@ static int ssl_context_load( mbedtls_ssl_context *ssl,
/* Adjust pointers for header fields of outgoing records to /* Adjust pointers for header fields of outgoing records to
* the given transform, accounting for explicit IV and CID. */ * the given transform, accounting for explicit IV and CID. */
ssl_update_out_pointers( ssl, ssl->transform ); mbedtls_ssl_update_out_pointers( ssl, ssl->transform );
#if defined(MBEDTLS_SSL_PROTO_DTLS) #if defined(MBEDTLS_SSL_PROTO_DTLS)
ssl->in_epoch = 1; ssl->in_epoch = 1;