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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer')
-rw-r--r--roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buf_err.c38
-rw-r--r--roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buffer.c165
-rw-r--r--roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/build.info2
3 files changed, 205 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buf_err.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buf_err.c
new file mode 100644
index 000000000..7e6e53226
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buf_err.c
@@ -0,0 +1,38 @@
+/*
+ * Generated by util/mkerr.pl DO NOT EDIT
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/err.h>
+#include <openssl/buffererr.h>
+
+#ifndef OPENSSL_NO_ERR
+
+static const ERR_STRING_DATA BUF_str_functs[] = {
+ {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_MEM_GROW, 0), "BUF_MEM_grow"},
+ {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_MEM_GROW_CLEAN, 0), "BUF_MEM_grow_clean"},
+ {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_MEM_NEW, 0), "BUF_MEM_new"},
+ {0, NULL}
+};
+
+static const ERR_STRING_DATA BUF_str_reasons[] = {
+ {0, NULL}
+};
+
+#endif
+
+int ERR_load_BUF_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+ if (ERR_func_error_string(BUF_str_functs[0].error) == NULL) {
+ ERR_load_strings_const(BUF_str_functs);
+ ERR_load_strings_const(BUF_str_reasons);
+ }
+#endif
+ return 1;
+}
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buffer.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buffer.c
new file mode 100644
index 000000000..72258abb9
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/buffer.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/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_ex(unsigned long flags)
+{
+ BUF_MEM *ret;
+
+ ret = BUF_MEM_new();
+ if (ret != NULL)
+ ret->flags = flags;
+ return ret;
+}
+
+BUF_MEM *BUF_MEM_new(void)
+{
+ BUF_MEM *ret;
+
+ ret = OPENSSL_zalloc(sizeof(*ret));
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEM_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ return ret;
+}
+
+void BUF_MEM_free(BUF_MEM *a)
+{
+ if (a == NULL)
+ return;
+ if (a->data != NULL) {
+ if (a->flags & BUF_MEM_FLAG_SECURE)
+ OPENSSL_secure_clear_free(a->data, a->max);
+ else
+ OPENSSL_clear_free(a->data, a->max);
+ }
+ OPENSSL_free(a);
+}
+
+/* Allocate a block of secure memory; copy over old data if there
+ * was any, and then free it. */
+static char *sec_alloc_realloc(BUF_MEM *str, size_t len)
+{
+ char *ret;
+
+ ret = OPENSSL_secure_malloc(len);
+ if (str->data != NULL) {
+ if (ret != NULL) {
+ memcpy(ret, str->data, str->length);
+ OPENSSL_secure_clear_free(str->data, str->length);
+ str->data = NULL;
+ }
+ }
+ return ret;
+}
+
+size_t 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) {
+ if (str->data != NULL)
+ 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->flags & BUF_MEM_FLAG_SECURE))
+ ret = sec_alloc_realloc(str, 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;
+}
+
+size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
+{
+ char *ret;
+ size_t n;
+
+ if (str->length >= len) {
+ if (str->data != NULL)
+ 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->flags & BUF_MEM_FLAG_SECURE))
+ ret = sec_alloc_realloc(str, n);
+ else
+ ret = OPENSSL_clear_realloc(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/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/build.info b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/build.info
new file mode 100644
index 000000000..54da1f92a
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/buffer/build.info
@@ -0,0 +1,2 @@
+LIBS=../../libcrypto
+SOURCE[../../libcrypto]=buffer.c buf_err.c