if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
finish = 1;
- while (!SSL_write_early(con, cbuf, readbytes, &writtenbytes)) {
+ while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
switch (SSL_get_error(con, 0)) {
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_ASYNC:
SSL_get_max_early_data,
SSL_CTX_get_max_early_data,
SSL_SESSION_get_max_early_data,
-SSL_write_early,
+SSL_write_early_data,
SSL_read_early_data,
SSL_get_early_data_status
- functions for sending and receiving early data
uint32_t SSL_get_max_early_data(const SSL_CTX *s);
uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
- int SSL_write_early(SSL *s, const void *buf, size_t num, size_t *written);
+ int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written);
int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes);
data. If the session cannot be used then this function will return 0. Otherwise
it will return the maximum number of early data bytes that can be sent.
-A client uses the function SSL_write_early() to send early data. This function
-works in the same way as the L<SSL_write_ex(3)> function, but with a few
-differences. Refer to the L<SSL_write_ex(3)> documentation for
+A client uses the function SSL_write_early_data() to send early data. This
+function works in the same way as the L<SSL_write_ex(3)> function, but with a
+few differences. Refer to the L<SSL_write_ex(3)> documentation for
information on how to write bytes to the underlying connection, and how to
handle any errors that may arise. This page will detail the differences between
-SSL_write_early() and L<SSL_write_ex(3)>.
+SSL_write_early_data() and L<SSL_write_ex(3)>.
-SSL_write_early() must be the first IO function called on a new connection, i.e.
-it must occur before any calls to L<SSL_write_ex(3)>, L<SSL_read_ex(3)>,
+SSL_write_early_data() must be the first IO function called on a new connection,
+i.e. it must occur before any calls to L<SSL_write_ex(3)>, L<SSL_read_ex(3)>,
L<SSL_connect(3)>, L<SSL_do_handshake(3)> or other similar functions. It may be
called multiple times to stream data to the server, but the total number of
bytes written must not exceed the value returned from
-SSL_SESSION_get_max_early_data(). Once the initial SSL_write_early() call has
-completed successfully the client may interleave calls to L<SSL_read_ex(3)> and
-L<SSL_read(3)> with calls to SSL_write_early() as required.
+SSL_SESSION_get_max_early_data(). Once the initial SSL_write_early_data() call
+has completed successfully the client may interleave calls to L<SSL_read_ex(3)>
+and L<SSL_read(3)> with calls to SSL_write_early_data() as required.
-If SSL_write_early() fails you should call L<SSL_get_error(3)> to determine the
-correct course of action, as for L<SSL_write_ex(3)>.
+If SSL_write_early_data() fails you should call L<SSL_get_error(3)> to determine
+the correct course of action, as for L<SSL_write_ex(3)>.
When the client no longer wishes to send any more early data then it should
complete the handshake by calling a function such as L<SSL_connect(3)> or
such as L<SSL_write_ex(3)>, which will transparently complete the connection and
write the requested data.
-Only clients may call SSL_write_early().
+Only clients may call SSL_write_early_data().
A server may choose to ignore early data that has been sent to it. Once the
connection has been completed you can determine whether the server accepted or
may be called by either the client or the server.
A server uses the SSL_read_early_data() function to receive early data on a
-connection. As for SSL_write_early() this must be the first IO function called
-on a connection, i.e. it must occur before any calls to L<SSL_write_ex(3)>,
-L<SSL_read_ex(3)>, L<SSL_accept(3)>, L<SSL_do_handshake(3)>, or other similar
-functions.
+connection. As for SSL_write_early_data() this must be the first IO function
+called on a connection, i.e. it must occur before any calls to
+L<SSL_write_ex(3)>, L<SSL_read_ex(3)>, L<SSL_accept(3)>, L<SSL_do_handshake(3)>,
+or other similar functions.
SSL_read_early_data() works in the same way as L<SSL_read_ex(3)> except for the
differences noted here. Refer to the L<SSL_read_ex(3)> documentation for full
=back
-Once the initial SSL_write_early() call has completed successfully the client
-may interleave calls to L<SSL_write_ex(3)> and L<SSL_write(3)> with calls to
-SSL_read_early_data() as required. As noted above data sent via
+Once the initial SSL_read_early_data() call has completed successfully the
+server may interleave calls to L<SSL_write_ex(3)> and L<SSL_write(3)> with calls
+to SSL_read_early_data() as required. As noted above data sent via
L<SSL_write_ex(3)> or L<SSL_write(3)> in this way is sent to an unauthenticated
client.
=head1 RETURN VALUES
-SSL_write_early() returns 1 for success or 0 for failure. In the event of a
+SSL_write_early_data() returns 1 for success or 0 for failure. In the event of a
failure call L<SSL_get_error(3)> to determine the correct course of action.
SSL_read_early_data() returns SSL_READ_EARLY_DATA_ERROR for failure,
__owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
__owur int SSL_write(SSL *ssl, const void *buf, int num);
__owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
-__owur int SSL_write_early(SSL *s, const void *buf, size_t num,
- size_t *written);
+__owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
+ size_t *written);
long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
long SSL_callback_ctrl(SSL *, int, void (*)(void));
long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
# define SSL_F_SSL_VALIDATE_CT 400
# define SSL_F_SSL_VERIFY_CERT_CHAIN 207
# define SSL_F_SSL_WRITE 208
-# define SSL_F_SSL_WRITE_EARLY 526
+# define SSL_F_SSL_WRITE_EARLY_DATA 526
# define SSL_F_SSL_WRITE_EARLY_FINISH 527
# define SSL_F_SSL_WRITE_EX 433
# define SSL_F_SSL_WRITE_INTERNAL 524
{ERR_FUNC(SSL_F_SSL_VALIDATE_CT), "ssl_validate_ct"},
{ERR_FUNC(SSL_F_SSL_VERIFY_CERT_CHAIN), "ssl_verify_cert_chain"},
{ERR_FUNC(SSL_F_SSL_WRITE), "SSL_write"},
- {ERR_FUNC(SSL_F_SSL_WRITE_EARLY), "SSL_write_early"},
+ {ERR_FUNC(SSL_F_SSL_WRITE_EARLY_DATA), "SSL_write_early_data"},
{ERR_FUNC(SSL_F_SSL_WRITE_EARLY_FINISH), "SSL_write_early_finish"},
{ERR_FUNC(SSL_F_SSL_WRITE_EX), "SSL_write_ex"},
{ERR_FUNC(SSL_F_SSL_WRITE_INTERNAL), "ssl_write_internal"},
return ret;
}
-int SSL_write_early(SSL *s, const void *buf, size_t num, size_t *written)
+int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
{
int ret;
goto end;
/* Write and read some early data */
- if (!SSL_write_early(clientssl, MSG1, strlen(MSG1), &written)
+ if (!SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)
|| written != strlen(MSG1)) {
printf("Failed writing early data message 1\n");
goto end;
}
/* Even after reading normal data, client should be able write early data */
- if (!SSL_write_early(clientssl, MSG3, strlen(MSG3), &written)
+ if (!SSL_write_early_data(clientssl, MSG3, strlen(MSG3), &written)
|| written != strlen(MSG3)) {
printf("Failed writing early data message 3\n");
goto end;
}
/* Client and server should not be able to write early data now */
- if (SSL_write_early(clientssl, MSG6, strlen(MSG6), &written)) {
+ if (SSL_write_early_data(clientssl, MSG6, strlen(MSG6), &written)) {
printf("Unexpected success writing early data\n");
goto end;
}
}
/* Write and read some early data */
- if (!SSL_write_early(clientssl, MSG1, strlen(MSG1), &written)
+ if (!SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)
|| written != strlen(MSG1)) {
printf("Failed writing early data message 1\n");
goto end;
}
/* Client and server should not be able to write early data now */
- if (SSL_write_early(clientssl, MSG6, strlen(MSG6), &written)) {
+ if (SSL_write_early_data(clientssl, MSG6, strlen(MSG6), &written)) {
printf("Unexpected success writing early data (2)\n");
goto end;
}
}
/* Write some early data */
- if (!SSL_write_early(clientssl, MSG1, strlen(MSG1), &written)
+ if (!SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)
|| written != strlen(MSG1)) {
printf("Failed writing early data message 1\n");
goto end;
goto end;
/* Write some early data */
- if (!SSL_write_early(clientssl, MSG1, strlen(MSG1), &written)) {
+ if (!SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)) {
printf("Unexpected failure writing message 1\n");
goto end;
}
SSL_CTX_set_max_early_data 429 1_1_1 EXIST::FUNCTION:
SSL_get_max_early_data 430 1_1_1 EXIST::FUNCTION:
SSL_CTX_get_max_early_data 431 1_1_1 EXIST::FUNCTION:
-SSL_write_early 432 1_1_1 EXIST::FUNCTION:
+SSL_write_early_data 432 1_1_1 EXIST::FUNCTION:
SSL_read_early_data 433 1_1_1 EXIST::FUNCTION:
SSL_get_early_data_status 434 1_1_1 EXIST::FUNCTION:
SSL_SESSION_get_max_early_data 435 1_1_1 EXIST::FUNCTION:
projects / openssl.git / commitdiff