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authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /crypto/bio/bf_null.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'crypto/bio/bf_null.c')
-rw-r--r--crypto/bio/bf_null.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/crypto/bio/bf_null.c b/crypto/bio/bf_null.c
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+/* crypto/bio/bf_null.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>
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+/* BIO_put and BIO_get both add to the digest,
+ * BIO_gets returns the digest */
+
+static int nullf_write(BIO *h, const char *buf, int num);
+static int nullf_read(BIO *h, char *buf, int size);
+static int nullf_puts(BIO *h, const char *str);
+static int nullf_gets(BIO *h, char *str, int size);
+static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int nullf_new(BIO *h);
+static int nullf_free(BIO *data);
+static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+static BIO_METHOD methods_nullf=
+ {
+ BIO_TYPE_NULL_FILTER,
+ "NULL filter",
+ nullf_write,
+ nullf_read,
+ nullf_puts,
+ nullf_gets,
+ nullf_ctrl,
+ nullf_new,
+ nullf_free,
+ nullf_callback_ctrl,
+ };
+
+BIO_METHOD *BIO_f_null(void)
+ {
+ return(&methods_nullf);
+ }
+
+static int nullf_new(BIO *bi)
+ {
+ bi->init=1;
+ bi->ptr=NULL;
+ bi->flags=0;
+ return(1);
+ }
+
+static int nullf_free(BIO *a)
+ {
+ if (a == NULL) return(0);
+/* a->ptr=NULL;
+ a->init=0;
+ a->flags=0;*/
+ return(1);
+ }
+
+static int nullf_read(BIO *b, char *out, int outl)
+ {
+ int ret=0;
+
+ if (out == NULL) return(0);
+ if (b->next_bio == NULL) return(0);
+ ret=BIO_read(b->next_bio,out,outl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return(ret);
+ }
+
+static int nullf_write(BIO *b, const char *in, int inl)
+ {
+ int ret=0;
+
+ if ((in == NULL) || (inl <= 0)) return(0);
+ if (b->next_bio == NULL) return(0);
+ ret=BIO_write(b->next_bio,in,inl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return(ret);
+ }
+
+static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr)
+ {
+ long ret;
+
+ if (b->next_bio == NULL) return(0);
+ switch(cmd)
+ {
+ case BIO_C_DO_STATE_MACHINE:
+ BIO_clear_retry_flags(b);
+ ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+ BIO_copy_next_retry(b);
+ break;
+ case BIO_CTRL_DUP:
+ ret=0L;
+ break;
+ default:
+ ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+ }
+ return(ret);
+ }
+
+static long nullf_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+ {
+ long ret=1;
+
+ if (b->next_bio == NULL) return(0);
+ switch (cmd)
+ {
+ default:
+ ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
+ break;
+ }
+ return(ret);
+ }
+
+static int nullf_gets(BIO *bp, char *buf, int size)
+ {
+ if (bp->next_bio == NULL) return(0);
+ return(BIO_gets(bp->next_bio,buf,size));
+ }
+
+
+static int nullf_puts(BIO *bp, const char *str)
+ {
+ if (bp->next_bio == NULL) return(0);
+ return(BIO_puts(bp->next_bio,str));
+ }
+
+