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Document fd-based SSL APIs.

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Also clean up the code slightly.

Change-Id: I066a389242c46cdc7d41b1ae9537c4b7716c92a2
Reviewed-on: https://boringssl-review.googlesource.com/6302
Reviewed-by: Adam Langley <alangley@gmail.com>
This commit is contained in:
David Benjamin 2015-10-17 21:11:33 -04:00 committed by Adam Langley
parent cef1eb4c1c
commit 066fe0a679
2 changed files with 57 additions and 65 deletions
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33
include/openssl/ssl.h
View File

@ -247,6 +247,32 @@ OPENSSL_EXPORT BIO *SSL_get_rbio(const SSL *ssl);
/* SSL_get_wbio returns the |BIO| that |ssl| writes to. */
OPENSSL_EXPORT BIO *SSL_get_wbio(const SSL *ssl);
/* SSL_get_fd calls |SSL_get_rfd|. */
OPENSSL_EXPORT int SSL_get_fd(const SSL *ssl);
/* SSL_get_rfd returns the file descriptor that |ssl| is configured to read
* from. If |ssl|'s read |BIO| is not configured or doesn't wrap a file
* descriptor then it returns -1. */
OPENSSL_EXPORT int SSL_get_rfd(const SSL *ssl);
/* SSL_get_wfd returns the file descriptor that |ssl| is configured to write
* to. If |ssl|'s write |BIO| is not configured or doesn't wrap a file
* descriptor then it returns -1. */
OPENSSL_EXPORT int SSL_get_wfd(const SSL *ssl);
/* SSL_set_wfd configures |ssl| to read from and write to |fd|. It returns one
* on success and zero on allocation error. The caller retains ownership of
* |fd|. */
OPENSSL_EXPORT int SSL_set_fd(SSL *ssl, int fd);
/* SSL_set_rfd configures |ssl| to read from |fd|. It returns one on success and
* zero on allocation error. The caller retains ownership of |fd|. */
OPENSSL_EXPORT int SSL_set_rfd(SSL *ssl, int fd);
/* SSL_set_wfd configures |ssl| to write to |fd|. It returns one on success and
* zero on allocation error. The caller retains ownership of |fd|. */
OPENSSL_EXPORT int SSL_set_wfd(SSL *ssl, int fd);
/* SSL_do_handshake continues the current handshake. If there is none or the
* handshake has completed or False Started, it returns one. Otherwise, it
* returns <= 0. The caller should pass the value into |SSL_get_error| to
@ -2835,13 +2861,6 @@ OPENSSL_EXPORT int SSL_in_false_start(const SSL *s);
DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
OPENSSL_EXPORT int SSL_get_fd(const SSL *s);
OPENSSL_EXPORT int SSL_get_rfd(const SSL *s);
OPENSSL_EXPORT int SSL_get_wfd(const SSL *s);
OPENSSL_EXPORT int SSL_set_fd(SSL *s, int fd);
OPENSSL_EXPORT int SSL_set_rfd(SSL *s, int fd);
OPENSSL_EXPORT int SSL_set_wfd(SSL *s, int fd);
OPENSSL_EXPORT const char *SSL_state_string(const SSL *ssl);
OPENSSL_EXPORT const char *SSL_state_string_long(const SSL *ssl);

89
ssl/ssl_lib.c
View File

@ -1071,96 +1071,69 @@ X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) { return ssl->param; }
void SSL_certs_clear(SSL *ssl) { ssl_cert_clear_certs(ssl->cert); }
int SSL_get_fd(const SSL *s) { return SSL_get_rfd(s); }
int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); }
int SSL_get_rfd(const SSL *s) {
int SSL_get_rfd(const SSL *ssl) {
int ret = -1;
BIO *b, *r;
b = SSL_get_rbio(s);
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
if (r != NULL) {
BIO_get_fd(r, &ret);
BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR);
if (b != NULL) {
BIO_get_fd(b, &ret);
}
return ret;
}
int SSL_get_wfd(const SSL *s) {
int SSL_get_wfd(const SSL *ssl) {
int ret = -1;
BIO *b, *r;
b = SSL_get_wbio(s);
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
if (r != NULL) {
BIO_get_fd(r, &ret);
BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR);
if (b != NULL) {
BIO_get_fd(b, &ret);
}
return ret;
}
int SSL_set_fd(SSL *s, int fd) {
int ret = 0;
BIO *bio = NULL;
bio = BIO_new(BIO_s_fd());
int SSL_set_fd(SSL *ssl, int fd) {
BIO *bio = BIO_new(BIO_s_fd());
if (bio == NULL) {
OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
goto err;
return 0;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set_bio(s, bio, bio);
ret = 1;
err:
return ret;
SSL_set_bio(ssl, bio, bio);
return 1;
}
int SSL_set_wfd(SSL *s, int fd) {
int ret = 0;
BIO *bio = NULL;
if (s->rbio == NULL || BIO_method_type(s->rbio) != BIO_TYPE_FD ||
BIO_get_fd(s->rbio, NULL) != fd) {
bio = BIO_new(BIO_s_fd());
int SSL_set_wfd(SSL *ssl, int fd) {
if (ssl->rbio == NULL ||
BIO_method_type(ssl->rbio) != BIO_TYPE_FD ||
BIO_get_fd(ssl->rbio, NULL) != fd) {
BIO *bio = BIO_new(BIO_s_fd());
if (bio == NULL) {
OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
goto err;
return 0;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set_bio(s, SSL_get_rbio(s), bio);
SSL_set_bio(ssl, SSL_get_rbio(ssl), bio);
} else {
SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s));
SSL_set_bio(ssl, SSL_get_rbio(ssl), SSL_get_rbio(ssl));
}
ret = 1;
err:
return ret;
return 1;
}
int SSL_set_rfd(SSL *s, int fd) {
int ret = 0;
BIO *bio = NULL;
if (s->wbio == NULL || BIO_method_type(s->wbio) != BIO_TYPE_FD ||
BIO_get_fd(s->wbio, NULL) != fd) {
bio = BIO_new(BIO_s_fd());
int SSL_set_rfd(SSL *ssl, int fd) {
if (ssl->wbio == NULL || BIO_method_type(ssl->wbio) != BIO_TYPE_FD ||
BIO_get_fd(ssl->wbio, NULL) != fd) {
BIO *bio = BIO_new(BIO_s_fd());
if (bio == NULL) {
OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
goto err;
return 0;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set_bio(s, bio, SSL_get_wbio(s));
SSL_set_bio(ssl, bio, SSL_get_wbio(ssl));
} else {
SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s));
SSL_set_bio(ssl, SSL_get_wbio(ssl), SSL_get_wbio(ssl));
}
ret = 1;
err:
return ret;
return 1;
}
size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) {