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Implement context-specific verification callbacks

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This commit is contained in:
Hanno Becker 2019-04-03 12:52:50 +01:00
parent 726c97a825
commit 8927c83312
2 changed files with 31 additions and 1 deletions
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6
include/mbedtls/ssl.h
View file

@ -1090,6 +1090,12 @@ struct mbedtls_ssl_context
unsigned badmac_seen; /*!< records with a bad MAC received */
#endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
#if defined(MBEDTLS_X509_CRT_PARSE_C)
/** Callback to customize X.509 certificate chain verification */
int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
void *p_vrfy; /*!< context for X.509 verify calllback */
#endif
mbedtls_ssl_send_t *f_send; /*!< Callback for network send */
mbedtls_ssl_recv_t *f_recv; /*!< Callback for network receive */
mbedtls_ssl_recv_timeout_t *f_recv_timeout;

26
library/ssl_tls.c
View file

@ -6038,6 +6038,9 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl,
mbedtls_x509_crt *ca_chain;
mbedtls_x509_crl *ca_crl;
int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
void *p_vrfy;
if( authmode == MBEDTLS_SSL_VERIFY_NONE )
return( 0 );
@ -6054,6 +6057,17 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl,
ca_crl = ssl->conf->ca_crl;
}
if( ssl->f_vrfy != NULL )
{
f_vrfy = ssl->f_vrfy;
p_vrfy = ssl->p_vrfy;
}
else
{
f_vrfy = ssl->conf->f_vrfy;
p_vrfy = ssl->conf->p_vrfy;
}
/*
* Main check: verify certificate
*/
@ -6063,7 +6077,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl,
ssl->conf->cert_profile,
ssl->hostname,
&ssl->session_negotiate->verify_result,
ssl->conf->f_vrfy, ssl->conf->p_vrfy, rs_ctx );
f_vrfy, p_vrfy, rs_ctx );
if( ret != 0 )
{
@ -7902,6 +7916,16 @@ void mbedtls_ssl_set_hs_authmode( mbedtls_ssl_context *ssl,
}
#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
#if defined(MBEDTLS_X509_CRT_PARSE_C)
void mbedtls_ssl_set_verify( mbedtls_ssl_context *ssl,
int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
void *p_vrfy )
{
ssl->f_vrfy = f_vrfy;
ssl->p_vrfy = p_vrfy;
}
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
/*
* Set EC J-PAKE password for current handshake