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Change return type of the new accessors

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The new accessors SSL_get_client_random, SSL_get_server_random and
SSL_SESSION_get_master_key should return a size_t to match the type of the
|outlen| parameter.

Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Matt Caswell 2015-05-28 16:36:51 +01:00
parent 6b8f5d0d43
commit d9f1c639d5
4 changed files with 25 additions and 21 deletions
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14
doc/ssl/SSL_get_client_random.pod
View file

@ -8,9 +8,9 @@ SSL_get_client_random, SSL_get_server_random, SSL_SESSION_get_master_key - retri
#include <openssl/ssl.h>
int SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen);
int SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen);
int SSL_SESSION_get_master_key(const SSL_SESSION *session, unsigned char *out, size_t outlen);
size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen);
size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen);
size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, unsigned char *out, size_t outlen);
=head1 DESCRIPTION
@ -18,8 +18,8 @@ SSL_get_client_random() extracts the random value sent from the client
to the server during the initial SSL/TLS handshake. It copies as many
bytes as it can of this value into the buffer provided in B<out>,
which must have at least B<outlen> bytes available. It returns the
total number of bytes that were actually copied. If B<outlen> is less
than zero, SSL_get_client_random() copies nothing, and returns the
total number of bytes that were actually copied. If B<outlen> is
zero, SSL_get_client_random() copies nothing, and returns the
total size of the client_random value.
SSL_get_server_random() behaves the same, but extracts the random value
@ -63,10 +63,10 @@ values based on their view of the current time.
=head1 RETURN VALUES
If B<outlen> is at least 0, these functions return the number of bytes
If B<outlen> is greater than 0, these functions return the number of bytes
actually copied, which will be less than or equal to B<outlen>.
If B<outlen> is less than 0, these functions return the maximum number
If B<outlen> is 0, these functions return the maximum number
of bytes they would copy--that is, the length of the underlying field.
=head1 SEE ALSO

12
include/openssl/ssl.h
View file

@ -1652,12 +1652,12 @@ void SSL_set_state(SSL *ssl, int state);
void SSL_set_verify_result(SSL *ssl, long v);
__owur long SSL_get_verify_result(const SSL *ssl);
__owur int SSL_get_client_random(const SSL *ssl, unsigned char *out,
size_t outlen);
__owur int SSL_get_server_random(const SSL *ssl, unsigned char *out,
size_t outlen);
__owur int SSL_SESSION_get_master_key(const SSL_SESSION *ssl,
unsigned char *out, size_t outlen);
__owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
size_t outlen);
__owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
size_t outlen);
__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *ssl,
unsigned char *out, size_t outlen);
__owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
void *SSL_get_ex_data(const SSL *ssl, int idx);

16
ssl/ssl_lib.c
View file

@ -2897,39 +2897,39 @@ long SSL_get_verify_result(const SSL *ssl)
return (ssl->verify_result);
}
int SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen)
size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
if (outlen == 0)
return sizeof(ssl->s3->client_random);
if (outlen > sizeof(ssl->s3->client_random))
outlen = sizeof(ssl->s3->client_random);
memcpy(out, ssl->s3->client_random, outlen);
return (outlen);
return outlen;
}
int SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen)
size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
if (outlen == 0)
return sizeof(ssl->s3->server_random);
if (outlen > sizeof(ssl->s3->server_random))
outlen = sizeof(ssl->s3->server_random);
memcpy(out, ssl->s3->server_random, outlen);
return (outlen);
return outlen;
}
int SSL_SESSION_get_master_key(const SSL_SESSION *session,
size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
unsigned char *out, size_t outlen)
{
if (outlen == 0)
return session->master_key_length;
if (session->master_key_length < 0) {
/* Should never happen */
return 0;
}
if (outlen == 0)
return session->master_key_length;
if (outlen > (size_t)session->master_key_length)
outlen = session->master_key_length;
memcpy(out, session->master_key, outlen);
return (outlen);
return outlen;
}
int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,

4
util/ssleay.num
View file

@ -399,3 +399,7 @@ SSL_use_certificate_chain_file 433 EXIST::FUNCTION:STDIO
TLS_server_method 434 EXIST::FUNCTION:
TLS_method 435 EXIST::FUNCTION:
TLS_client_method 436 EXIST::FUNCTION:
SSL_get_server_random 437 EXIST::FUNCTION:
SSL_get_client_ciphers 438 EXIST::FUNCTION:
SSL_get_client_random 439 EXIST::FUNCTION:
SSL_SESSION_get_master_key 440 EXIST::FUNCTION: