inital commit

5 files changed, 645 insertions, 0 deletions

diff --git a/openssl/crypto/buffer/Makefile b/openssl/crypto/buffer/Makefile
new file mode 100644
index 0000000..352efb8
--- /dev/null
+++ b/openssl/crypto/buffer/Makefile
@@ -0,0 +1,99 @@
+#
+# OpenSSL/crypto/buffer/Makefile
+#
+
+DIR=	buffer
+TOP=	../..
+CC=	cc
+INCLUDES= -I.. -I$(TOP) -I../../include
+CFLAG=-g
+MAKEFILE=	Makefile
+AR=		ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+GENERAL=Makefile
+TEST=
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC= buffer.c buf_str.c buf_err.c
+LIBOBJ= buffer.o buf_str.o buf_err.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= buffer.h
+HEADER=	$(EXHEADER)
+
+ALL=    $(GENERAL) $(SRC) $(HEADER)
+
+top:
+	(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all:	lib
+
+lib:	$(LIBOBJ)
+	$(AR) $(LIB) $(LIBOBJ)
+	$(RANLIB) $(LIB) || echo Never mind.
+	@touch lib
+
+files:
+	$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
+
+links:
+	@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+	@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+	@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+	@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
+	@headerlist="$(EXHEADER)"; for i in $$headerlist ; \
+	do  \
+	(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+	chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+	done;
+
+tags:
+	ctags $(SRC)
+
+tests:
+
+lint:
+	lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+update: depend
+
+depend:
+	@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
+	$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+	$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+	mv -f Makefile.new $(MAKEFILE)
+
+clean:
+	rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+buf_err.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
+buf_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+buf_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
+buf_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+buf_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
+buf_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
+buf_err.o: buf_err.c
+buf_str.o: ../../e_os.h ../../include/openssl/bio.h
+buf_str.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
+buf_str.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
+buf_str.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
+buf_str.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+buf_str.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+buf_str.o: ../../include/openssl/symhacks.h ../cryptlib.h buf_str.c
+buffer.o: ../../e_os.h ../../include/openssl/bio.h
+buffer.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
+buffer.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
+buffer.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
+buffer.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+buffer.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+buffer.o: ../../include/openssl/symhacks.h ../cryptlib.h buffer.c
diff --git a/openssl/crypto/buffer/buf_err.c b/openssl/crypto/buffer/buf_err.c
new file mode 100644
index 0000000..631eec3
--- /dev/null
+++ b/openssl/crypto/buffer/buf_err.c
@@ -0,0 +1,97 @@
+/* crypto/buffer/buf_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include <openssl/buffer.h>
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_BUF,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_BUF,0,reason)
+
+static ERR_STRING_DATA BUF_str_functs[] = {
+    {ERR_FUNC(BUF_F_BUF_MEMDUP), "BUF_memdup"},
+    {ERR_FUNC(BUF_F_BUF_MEM_GROW), "BUF_MEM_grow"},
+    {ERR_FUNC(BUF_F_BUF_MEM_GROW_CLEAN), "BUF_MEM_grow_clean"},
+    {ERR_FUNC(BUF_F_BUF_MEM_NEW), "BUF_MEM_new"},
+    {ERR_FUNC(BUF_F_BUF_STRDUP), "BUF_strdup"},
+    {ERR_FUNC(BUF_F_BUF_STRNDUP), "BUF_strndup"},
+    {0, NULL}
+};
+
+static ERR_STRING_DATA BUF_str_reasons[] = {
+    {0, NULL}
+};
+
+#endif
+
+void ERR_load_BUF_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+
+    if (ERR_func_error_string(BUF_str_functs[0].error) == NULL) {
+        ERR_load_strings(0, BUF_str_functs);
+        ERR_load_strings(0, BUF_str_reasons);
+    }
+#endif
+}
diff --git a/openssl/crypto/buffer/buf_str.c b/openssl/crypto/buffer/buf_str.c
new file mode 100644
index 0000000..fa0d608
--- /dev/null
+++ b/openssl/crypto/buffer/buf_str.c
@@ -0,0 +1,137 @@
+/* crypto/buffer/buffer.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 "cryptlib.h"
+#include <limits.h>
+#include <openssl/buffer.h>
+
+size_t BUF_strnlen(const char *str, size_t maxlen)
+{
+    const char *p;
+
+    for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ;
+
+    return p - str;
+}
+
+char *BUF_strdup(const char *str)
+{
+    if (str == NULL)
+        return NULL;
+    return BUF_strndup(str, strlen(str));
+}
+
+char *BUF_strndup(const char *str, size_t siz)
+{
+    char *ret;
+
+    if (str == NULL)
+        return NULL;
+
+    siz = BUF_strnlen(str, siz);
+
+    if (siz >= INT_MAX)
+        return NULL;
+
+    ret = OPENSSL_malloc(siz + 1);
+    if (ret == NULL) {
+        BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    memcpy(ret, str, siz);
+    ret[siz] = '\0';
+
+    return (ret);
+}
+
+void *BUF_memdup(const void *data, size_t siz)
+{
+    void *ret;
+
+    if (data == NULL || siz >= INT_MAX)
+        return NULL;
+
+    ret = OPENSSL_malloc(siz);
+    if (ret == NULL) {
+        BUFerr(BUF_F_BUF_MEMDUP, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+    return memcpy(ret, data, siz);
+}
+
+size_t BUF_strlcpy(char *dst, const char *src, size_t size)
+{
+    size_t l = 0;
+    for (; size > 1 && *src; size--) {
+        *dst++ = *src++;
+        l++;
+    }
+    if (size)
+        *dst = '\0';
+    return l + strlen(src);
+}
+
+size_t BUF_strlcat(char *dst, const char *src, size_t size)
+{
+    size_t l = 0;
+    for (; size > 0 && *dst; size--, dst++)
+        l++;
+    return l + BUF_strlcpy(dst, src, size);
+}
diff --git a/openssl/crypto/buffer/buffer.c b/openssl/crypto/buffer/buffer.c
new file mode 100644
index 0000000..eff3e08
--- /dev/null
+++ b/openssl/crypto/buffer/buffer.c
@@ -0,0 +1,187 @@
+/* crypto/buffer/buffer.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 "cryptlib.h"
+#include <openssl/buffer.h>
+
+/*
+ * LIMIT_BEFORE_EXPANSION is the maximum n such that (n+3)/3*4 < 2**31. That
+ * function is applied in several functions in this file and this limit
+ * ensures that the result fits in an int.
+ */
+#define LIMIT_BEFORE_EXPANSION 0x5ffffffc
+
+BUF_MEM *BUF_MEM_new(void)
+{
+    BUF_MEM *ret;
+
+    ret = OPENSSL_malloc(sizeof(BUF_MEM));
+    if (ret == NULL) {
+        BUFerr(BUF_F_BUF_MEM_NEW, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
+    ret->length = 0;
+    ret->max = 0;
+    ret->data = NULL;
+    return (ret);
+}
+
+void BUF_MEM_free(BUF_MEM *a)
+{
+    if (a == NULL)
+        return;
+
+    if (a->data != NULL) {
+        OPENSSL_cleanse(a->data, a->max);
+        OPENSSL_free(a->data);
+    }
+    OPENSSL_free(a);
+}
+
+int BUF_MEM_grow(BUF_MEM *str, size_t len)
+{
+    char *ret;
+    size_t n;
+
+    if (str->length >= len) {
+        str->length = len;
+        return (len);
+    }
+    if (str->max >= len) {
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+        return (len);
+    }
+    /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+    if (len > LIMIT_BEFORE_EXPANSION) {
+        BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    n = (len + 3) / 3 * 4;
+    if (str->data == NULL)
+        ret = OPENSSL_malloc(n);
+    else
+        ret = OPENSSL_realloc(str->data, n);
+    if (ret == NULL) {
+        BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);
+        len = 0;
+    } else {
+        str->data = ret;
+        str->max = n;
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+    }
+    return (len);
+}
+
+int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
+{
+    char *ret;
+    size_t n;
+
+    if (str->length >= len) {
+        memset(&str->data[len], 0, str->length - len);
+        str->length = len;
+        return (len);
+    }
+    if (str->max >= len) {
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+        return (len);
+    }
+    /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+    if (len > LIMIT_BEFORE_EXPANSION) {
+        BUFerr(BUF_F_BUF_MEM_GROW_CLEAN, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    n = (len + 3) / 3 * 4;
+    if (str->data == NULL)
+        ret = OPENSSL_malloc(n);
+    else
+        ret = OPENSSL_realloc_clean(str->data, str->max, n);
+    if (ret == NULL) {
+        BUFerr(BUF_F_BUF_MEM_GROW_CLEAN, ERR_R_MALLOC_FAILURE);
+        len = 0;
+    } else {
+        str->data = ret;
+        str->max = n;
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+    }
+    return (len);
+}
+
+void BUF_reverse(unsigned char *out, const unsigned char *in, size_t size)
+{
+    size_t i;
+    if (in) {
+        out += size - 1;
+        for (i = 0; i < size; i++)
+            *out-- = *in++;
+    } else {
+        unsigned char *q;
+        char c;
+        q = out + size - 1;
+        for (i = 0; i < size / 2; i++) {
+            c = *q;
+            *q-- = *out;
+            *out++ = c;
+        }
+    }
+}
diff --git a/openssl/crypto/buffer/buffer.h b/openssl/crypto/buffer/buffer.h
new file mode 100644
index 0000000..efd240a
--- /dev/null
+++ b/openssl/crypto/buffer/buffer.h
@@ -0,0 +1,125 @@
+/* crypto/buffer/buffer.h */
+/* 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.]
+ */
+
+#ifndef HEADER_BUFFER_H
+# define HEADER_BUFFER_H
+
+# include <openssl/ossl_typ.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+# include <stddef.h>
+
+# if !defined(NO_SYS_TYPES_H)
+#  include <sys/types.h>
+# endif
+
+/* Already declared in ossl_typ.h */
+/* typedef struct buf_mem_st BUF_MEM; */
+
+struct buf_mem_st {
+    size_t length;              /* current number of bytes */
+    char *data;
+    size_t max;                 /* size of buffer */
+};
+
+BUF_MEM *BUF_MEM_new(void);
+void BUF_MEM_free(BUF_MEM *a);
+int BUF_MEM_grow(BUF_MEM *str, size_t len);
+int BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
+size_t BUF_strnlen(const char *str, size_t maxlen);
+char *BUF_strdup(const char *str);
+
+/*
+ * Like strndup, but in addition, explicitly guarantees to never read past the
+ * first |siz| bytes of |str|.
+ */
+char *BUF_strndup(const char *str, size_t siz);
+
+void *BUF_memdup(const void *data, size_t siz);
+void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
+
+/* safe string functions */
+size_t BUF_strlcpy(char *dst, const char *src, size_t siz);
+size_t BUF_strlcat(char *dst, const char *src, size_t siz);
+
+/* BEGIN ERROR CODES */
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_BUF_strings(void);
+
+/* Error codes for the BUF functions. */
+
+/* Function codes. */
+# define BUF_F_BUF_MEMDUP                                 103
+# define BUF_F_BUF_MEM_GROW                               100
+# define BUF_F_BUF_MEM_GROW_CLEAN                         105
+# define BUF_F_BUF_MEM_NEW                                101
+# define BUF_F_BUF_STRDUP                                 102
+# define BUF_F_BUF_STRNDUP                                104
+
+/* Reason codes. */
+
+#ifdef  __cplusplus
+}
+#endif
+#endif