diff options
Diffstat (limited to 'thirdparty/openssl/ssl/bio_ssl.c')
| -rw-r--r-- | thirdparty/openssl/ssl/bio_ssl.c | 591 |
1 files changed, 0 insertions, 591 deletions
diff --git a/thirdparty/openssl/ssl/bio_ssl.c b/thirdparty/openssl/ssl/bio_ssl.c deleted file mode 100644 index d2d4d2ea2d..0000000000 --- a/thirdparty/openssl/ssl/bio_ssl.c +++ /dev/null @@ -1,591 +0,0 @@ -/* ssl/bio_ssl.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <openssl/crypto.h> -#include <openssl/bio.h> -#include <openssl/err.h> -#include <openssl/ssl.h> - -static int ssl_write(BIO *h, const char *buf, int num); -static int ssl_read(BIO *h, char *buf, int size); -static int ssl_puts(BIO *h, const char *str); -static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2); -static int ssl_new(BIO *h); -static int ssl_free(BIO *data); -static long ssl_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); -typedef struct bio_ssl_st { - SSL *ssl; /* The ssl handle :-) */ - /* re-negotiate every time the total number of bytes is this size */ - int num_renegotiates; - unsigned long renegotiate_count; - unsigned long byte_count; - unsigned long renegotiate_timeout; - unsigned long last_time; -} BIO_SSL; - -static BIO_METHOD methods_sslp = { - BIO_TYPE_SSL, "ssl", - ssl_write, - ssl_read, - ssl_puts, - NULL, /* ssl_gets, */ - ssl_ctrl, - ssl_new, - ssl_free, - ssl_callback_ctrl, -}; - -BIO_METHOD *BIO_f_ssl(void) -{ - return (&methods_sslp); -} - -static int ssl_new(BIO *bi) -{ - BIO_SSL *bs; - - bs = (BIO_SSL *)OPENSSL_malloc(sizeof(BIO_SSL)); - if (bs == NULL) { - BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE); - return (0); - } - memset(bs, 0, sizeof(BIO_SSL)); - bi->init = 0; - bi->ptr = (char *)bs; - bi->flags = 0; - return (1); -} - -static int ssl_free(BIO *a) -{ - BIO_SSL *bs; - - if (a == NULL) - return (0); - bs = (BIO_SSL *)a->ptr; - if (bs->ssl != NULL) - SSL_shutdown(bs->ssl); - if (a->shutdown) { - if (a->init && (bs->ssl != NULL)) - SSL_free(bs->ssl); - a->init = 0; - a->flags = 0; - } - if (a->ptr != NULL) - OPENSSL_free(a->ptr); - return (1); -} - -static int ssl_read(BIO *b, char *out, int outl) -{ - int ret = 1; - BIO_SSL *sb; - SSL *ssl; - int retry_reason = 0; - int r = 0; - - if (out == NULL) - return (0); - sb = (BIO_SSL *)b->ptr; - ssl = sb->ssl; - - BIO_clear_retry_flags(b); - -#if 0 - if (!SSL_is_init_finished(ssl)) { -/* ret=SSL_do_handshake(ssl); */ - if (ret > 0) { - - outflags = (BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY); - ret = -1; - goto end; - } - } -#endif -/* if (ret > 0) */ - ret = SSL_read(ssl, out, outl); - - switch (SSL_get_error(ssl, ret)) { - case SSL_ERROR_NONE: - if (ret <= 0) - break; - if (sb->renegotiate_count > 0) { - sb->byte_count += ret; - if (sb->byte_count > sb->renegotiate_count) { - sb->byte_count = 0; - sb->num_renegotiates++; - SSL_renegotiate(ssl); - r = 1; - } - } - if ((sb->renegotiate_timeout > 0) && (!r)) { - unsigned long tm; - - tm = (unsigned long)time(NULL); - if (tm > sb->last_time + sb->renegotiate_timeout) { - sb->last_time = tm; - sb->num_renegotiates++; - SSL_renegotiate(ssl); - } - } - - break; - case SSL_ERROR_WANT_READ: - BIO_set_retry_read(b); - break; - case SSL_ERROR_WANT_WRITE: - BIO_set_retry_write(b); - break; - case SSL_ERROR_WANT_X509_LOOKUP: - BIO_set_retry_special(b); - retry_reason = BIO_RR_SSL_X509_LOOKUP; - break; - case SSL_ERROR_WANT_ACCEPT: - BIO_set_retry_special(b); - retry_reason = BIO_RR_ACCEPT; - break; - case SSL_ERROR_WANT_CONNECT: - BIO_set_retry_special(b); - retry_reason = BIO_RR_CONNECT; - break; - case SSL_ERROR_SYSCALL: - case SSL_ERROR_SSL: - case SSL_ERROR_ZERO_RETURN: - default: - break; - } - - b->retry_reason = retry_reason; - return (ret); -} - -static int ssl_write(BIO *b, const char *out, int outl) -{ - int ret, r = 0; - int retry_reason = 0; - SSL *ssl; - BIO_SSL *bs; - - if (out == NULL) - return (0); - bs = (BIO_SSL *)b->ptr; - ssl = bs->ssl; - - BIO_clear_retry_flags(b); - - /* - * ret=SSL_do_handshake(ssl); if (ret > 0) - */ - ret = SSL_write(ssl, out, outl); - - switch (SSL_get_error(ssl, ret)) { - case SSL_ERROR_NONE: - if (ret <= 0) - break; - if (bs->renegotiate_count > 0) { - bs->byte_count += ret; - if (bs->byte_count > bs->renegotiate_count) { - bs->byte_count = 0; - bs->num_renegotiates++; - SSL_renegotiate(ssl); - r = 1; - } - } - if ((bs->renegotiate_timeout > 0) && (!r)) { - unsigned long tm; - - tm = (unsigned long)time(NULL); - if (tm > bs->last_time + bs->renegotiate_timeout) { - bs->last_time = tm; - bs->num_renegotiates++; - SSL_renegotiate(ssl); - } - } - break; - case SSL_ERROR_WANT_WRITE: - BIO_set_retry_write(b); - break; - case SSL_ERROR_WANT_READ: - BIO_set_retry_read(b); - break; - case SSL_ERROR_WANT_X509_LOOKUP: - BIO_set_retry_special(b); - retry_reason = BIO_RR_SSL_X509_LOOKUP; - break; - case SSL_ERROR_WANT_CONNECT: - BIO_set_retry_special(b); - retry_reason = BIO_RR_CONNECT; - case SSL_ERROR_SYSCALL: - case SSL_ERROR_SSL: - default: - break; - } - - b->retry_reason = retry_reason; - return (ret); -} - -static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr) -{ - SSL **sslp, *ssl; - BIO_SSL *bs; - BIO *dbio, *bio; - long ret = 1; - - bs = (BIO_SSL *)b->ptr; - ssl = bs->ssl; - if ((ssl == NULL) && (cmd != BIO_C_SET_SSL)) - return (0); - switch (cmd) { - case BIO_CTRL_RESET: - SSL_shutdown(ssl); - - if (ssl->handshake_func == ssl->method->ssl_connect) - SSL_set_connect_state(ssl); - else if (ssl->handshake_func == ssl->method->ssl_accept) - SSL_set_accept_state(ssl); - - SSL_clear(ssl); - - if (b->next_bio != NULL) - ret = BIO_ctrl(b->next_bio, cmd, num, ptr); - else if (ssl->rbio != NULL) - ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); - else - ret = 1; - break; - case BIO_CTRL_INFO: - ret = 0; - break; - case BIO_C_SSL_MODE: - if (num) /* client mode */ - SSL_set_connect_state(ssl); - else - SSL_set_accept_state(ssl); - break; - case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT: - ret = bs->renegotiate_timeout; - if (num < 60) - num = 5; - bs->renegotiate_timeout = (unsigned long)num; - bs->last_time = (unsigned long)time(NULL); - break; - case BIO_C_SET_SSL_RENEGOTIATE_BYTES: - ret = bs->renegotiate_count; - if ((long)num >= 512) - bs->renegotiate_count = (unsigned long)num; - break; - case BIO_C_GET_SSL_NUM_RENEGOTIATES: - ret = bs->num_renegotiates; - break; - case BIO_C_SET_SSL: - if (ssl != NULL) { - ssl_free(b); - if (!ssl_new(b)) - return 0; - } - b->shutdown = (int)num; - ssl = (SSL *)ptr; - ((BIO_SSL *)b->ptr)->ssl = ssl; - bio = SSL_get_rbio(ssl); - if (bio != NULL) { - if (b->next_bio != NULL) - BIO_push(bio, b->next_bio); - b->next_bio = bio; - CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO); - } - b->init = 1; - break; - case BIO_C_GET_SSL: - if (ptr != NULL) { - sslp = (SSL **)ptr; - *sslp = ssl; - } else - ret = 0; - break; - case BIO_CTRL_GET_CLOSE: - ret = b->shutdown; - break; - case BIO_CTRL_SET_CLOSE: - b->shutdown = (int)num; - break; - case BIO_CTRL_WPENDING: - ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); - break; - case BIO_CTRL_PENDING: - ret = SSL_pending(ssl); - if (ret == 0) - ret = BIO_pending(ssl->rbio); - break; - case BIO_CTRL_FLUSH: - BIO_clear_retry_flags(b); - ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); - BIO_copy_next_retry(b); - break; - case BIO_CTRL_PUSH: - if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio)) { - SSL_set_bio(ssl, b->next_bio, b->next_bio); - CRYPTO_add(&b->next_bio->references, 1, CRYPTO_LOCK_BIO); - } - break; - case BIO_CTRL_POP: - /* Only detach if we are the BIO explicitly being popped */ - if (b == ptr) { - /* - * Shouldn't happen in practice because the rbio and wbio are the - * same when pushed. - */ - if (ssl->rbio != ssl->wbio) - BIO_free_all(ssl->wbio); - if (b->next_bio != NULL) - CRYPTO_add(&b->next_bio->references, -1, CRYPTO_LOCK_BIO); - ssl->wbio = NULL; - ssl->rbio = NULL; - } - break; - case BIO_C_DO_STATE_MACHINE: - BIO_clear_retry_flags(b); - - b->retry_reason = 0; - ret = (int)SSL_do_handshake(ssl); - - switch (SSL_get_error(ssl, (int)ret)) { - case SSL_ERROR_WANT_READ: - BIO_set_flags(b, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY); - break; - case SSL_ERROR_WANT_WRITE: - BIO_set_flags(b, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY); - break; - case SSL_ERROR_WANT_CONNECT: - BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY); - b->retry_reason = b->next_bio->retry_reason; - break; - case SSL_ERROR_WANT_X509_LOOKUP: - BIO_set_retry_special(b); - b->retry_reason = BIO_RR_SSL_X509_LOOKUP; - break; - default: - break; - } - break; - case BIO_CTRL_DUP: - dbio = (BIO *)ptr; - if (((BIO_SSL *)dbio->ptr)->ssl != NULL) - SSL_free(((BIO_SSL *)dbio->ptr)->ssl); - ((BIO_SSL *)dbio->ptr)->ssl = SSL_dup(ssl); - ((BIO_SSL *)dbio->ptr)->renegotiate_count = - ((BIO_SSL *)b->ptr)->renegotiate_count; - ((BIO_SSL *)dbio->ptr)->byte_count = ((BIO_SSL *)b->ptr)->byte_count; - ((BIO_SSL *)dbio->ptr)->renegotiate_timeout = - ((BIO_SSL *)b->ptr)->renegotiate_timeout; - ((BIO_SSL *)dbio->ptr)->last_time = ((BIO_SSL *)b->ptr)->last_time; - ret = (((BIO_SSL *)dbio->ptr)->ssl != NULL); - break; - case BIO_C_GET_FD: - ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); - break; - case BIO_CTRL_SET_CALLBACK: - { -#if 0 /* FIXME: Should this be used? -- Richard - * Levitte */ - SSLerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - ret = -1; -#else - ret = 0; -#endif - } - break; - case BIO_CTRL_GET_CALLBACK: - { - void (**fptr) (const SSL *xssl, int type, int val); - - fptr = (void (**)(const SSL *xssl, int type, int val))ptr; - *fptr = SSL_get_info_callback(ssl); - } - break; - default: - ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); - break; - } - return (ret); -} - -static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) -{ - SSL *ssl; - BIO_SSL *bs; - long ret = 1; - - bs = (BIO_SSL *)b->ptr; - ssl = bs->ssl; - switch (cmd) { - case BIO_CTRL_SET_CALLBACK: - { - /* - * FIXME: setting this via a completely different prototype seems - * like a crap idea - */ - SSL_set_info_callback(ssl, (void (*)(const SSL *, int, int))fp); - } - break; - default: - ret = BIO_callback_ctrl(ssl->rbio, cmd, fp); - break; - } - return (ret); -} - -static int ssl_puts(BIO *bp, const char *str) -{ - int n, ret; - - n = strlen(str); - ret = BIO_write(bp, str, n); - return (ret); -} - -BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx) -{ -#ifndef OPENSSL_NO_SOCK - BIO *ret = NULL, *buf = NULL, *ssl = NULL; - - if ((buf = BIO_new(BIO_f_buffer())) == NULL) - return (NULL); - if ((ssl = BIO_new_ssl_connect(ctx)) == NULL) - goto err; - if ((ret = BIO_push(buf, ssl)) == NULL) - goto err; - return (ret); - err: - if (buf != NULL) - BIO_free(buf); - if (ssl != NULL) - BIO_free(ssl); -#endif - return (NULL); -} - -BIO *BIO_new_ssl_connect(SSL_CTX *ctx) -{ -#ifndef OPENSSL_NO_SOCK - BIO *ret = NULL, *con = NULL, *ssl = NULL; - - if ((con = BIO_new(BIO_s_connect())) == NULL) - return (NULL); - if ((ssl = BIO_new_ssl(ctx, 1)) == NULL) - goto err; - if ((ret = BIO_push(ssl, con)) == NULL) - goto err; - return (ret); - err: - if (con != NULL) - BIO_free(con); -#endif - return (NULL); -} - -BIO *BIO_new_ssl(SSL_CTX *ctx, int client) -{ - BIO *ret; - SSL *ssl; - - if ((ret = BIO_new(BIO_f_ssl())) == NULL) - return (NULL); - if ((ssl = SSL_new(ctx)) == NULL) { - BIO_free(ret); - return (NULL); - } - if (client) - SSL_set_connect_state(ssl); - else - SSL_set_accept_state(ssl); - - BIO_set_ssl(ret, ssl, BIO_CLOSE); - return (ret); -} - -int BIO_ssl_copy_session_id(BIO *t, BIO *f) -{ - t = BIO_find_type(t, BIO_TYPE_SSL); - f = BIO_find_type(f, BIO_TYPE_SSL); - if ((t == NULL) || (f == NULL)) - return (0); - if ((((BIO_SSL *)t->ptr)->ssl == NULL) || - (((BIO_SSL *)f->ptr)->ssl == NULL)) - return (0); - SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl, ((BIO_SSL *)f->ptr)->ssl); - return (1); -} - -void BIO_ssl_shutdown(BIO *b) -{ - SSL *s; - - while (b != NULL) { - if (b->method->type == BIO_TYPE_SSL) { - s = ((BIO_SSL *)b->ptr)->ssl; - SSL_shutdown(s); - break; - } - b = b->next_bio; - } -} |