diff options
Diffstat (limited to 'thirdparty/openssl/ssl/s23_pkt.c')
| -rw-r--r-- | thirdparty/openssl/ssl/s23_pkt.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/thirdparty/openssl/ssl/s23_pkt.c b/thirdparty/openssl/ssl/s23_pkt.c new file mode 100644 index 0000000000..efc8647841 --- /dev/null +++ b/thirdparty/openssl/ssl/s23_pkt.c @@ -0,0 +1,113 @@ +/* ssl/s23_pkt.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 <errno.h> +#define USE_SOCKETS +#include "ssl_locl.h" +#include <openssl/evp.h> +#include <openssl/buffer.h> + +int ssl23_write_bytes(SSL *s) +{ + int i, num, tot; + char *buf; + + buf = s->init_buf->data; + tot = s->init_off; + num = s->init_num; + for (;;) { + s->rwstate = SSL_WRITING; + i = BIO_write(s->wbio, &(buf[tot]), num); + if (i <= 0) { + s->init_off = tot; + s->init_num = num; + return (i); + } + s->rwstate = SSL_NOTHING; + if (i == num) + return (tot + i); + + num -= i; + tot += i; + } +} + +/* return regularly only when we have read (at least) 'n' bytes */ +int ssl23_read_bytes(SSL *s, int n) +{ + unsigned char *p; + int j; + + if (s->packet_length < (unsigned int)n) { + p = s->packet; + + for (;;) { + s->rwstate = SSL_READING; + j = BIO_read(s->rbio, (char *)&(p[s->packet_length]), + n - s->packet_length); + if (j <= 0) + return (j); + s->rwstate = SSL_NOTHING; + s->packet_length += j; + if (s->packet_length >= (unsigned int)n) + return (s->packet_length); + } + } + return (n); +} |