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-rw-r--r--app/openssl/crypto/buffer/buf_str.c119
-rw-r--r--app/openssl/crypto/buffer/buffer.c79
-rw-r--r--app/openssl/crypto/buffer/buffer.h2
3 files changed, 139 insertions, 61 deletions
diff --git a/app/openssl/crypto/buffer/buf_str.c b/app/openssl/crypto/buffer/buf_str.c
new file mode 100644
index 00000000..151f5ea9
--- /dev/null
+++ b/app/openssl/crypto/buffer/buf_str.c
@@ -0,0 +1,119 @@
+/* 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>
+
+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);
+
+ ret=OPENSSL_malloc(siz+1);
+ if (ret == NULL)
+ {
+ BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ BUF_strlcpy(ret,str,siz+1);
+ return(ret);
+ }
+
+void *BUF_memdup(const void *data, size_t siz)
+ {
+ void *ret;
+
+ if (data == NULL) 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/app/openssl/crypto/buffer/buffer.c b/app/openssl/crypto/buffer/buffer.c
index 620ea8d5..d4a4ce43 100644
--- a/app/openssl/crypto/buffer/buffer.c
+++ b/app/openssl/crypto/buffer/buffer.c
@@ -60,6 +60,11 @@
#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;
@@ -105,6 +110,12 @@ int BUF_MEM_grow(BUF_MEM *str, size_t len)
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);
@@ -142,6 +153,12 @@ int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
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);
@@ -162,72 +179,14 @@ int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
return(len);
}
-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);
-
- ret=OPENSSL_malloc(siz+1);
- if (ret == NULL)
- {
- BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- BUF_strlcpy(ret,str,siz+1);
- return(ret);
- }
-
-void *BUF_memdup(const void *data, size_t siz)
- {
- void *ret;
-
- if (data == NULL) 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);
- }
-
-void BUF_reverse(unsigned char *out, unsigned char *in, size_t size)
+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++)
- *in++ = *out--;
+ *out-- = *in++;
}
else
{
diff --git a/app/openssl/crypto/buffer/buffer.h b/app/openssl/crypto/buffer/buffer.h
index 178e4182..f8da32b4 100644
--- a/app/openssl/crypto/buffer/buffer.h
+++ b/app/openssl/crypto/buffer/buffer.h
@@ -88,7 +88,7 @@ int BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
char * BUF_strdup(const char *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, unsigned char *in, 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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 06:23:29 +0000