intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 168 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/LPdir_unix.c b/contrib/libs/openssl/crypto/LPdir_unix.c
new file mode 100644
index 0000000000..bbbec0aee1
--- /dev/null
+++ b/contrib/libs/openssl/crypto/LPdir_unix.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2004-2018 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
+ */
+
+/*
+ * This file is dual-licensed and is also available under the following
+ * terms:
+ *
+ * Copyright (c) 2004, 2018, Richard Levitte <richard@levitte.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``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 COPYRIGHT
+ * OWNER 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.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#ifndef LPDIR_H
+# include "LPdir.h"
+#endif
+#ifdef __VMS
+# include <ctype.h>
+#endif
+
+/*
+ * The POSIX macro for the maximum number of characters in a file path is
+ * NAME_MAX.  However, some operating systems use PATH_MAX instead.
+ * Therefore, it seems natural to first check for PATH_MAX and use that, and
+ * if it doesn't exist, use NAME_MAX.
+ */
+#if defined(PATH_MAX)
+# define LP_ENTRY_SIZE PATH_MAX
+#elif defined(NAME_MAX)
+# define LP_ENTRY_SIZE NAME_MAX
+#endif
+
+/*
+ * Of course, there's the possibility that neither PATH_MAX nor NAME_MAX
+ * exist.  It's also possible that NAME_MAX exists but is define to a very
+ * small value (HP-UX offers 14), so we need to check if we got a result, and
+ * if it meets a minimum standard, and create or change it if not.
+ */
+#if !defined(LP_ENTRY_SIZE) || LP_ENTRY_SIZE<255
+# undef LP_ENTRY_SIZE
+# define LP_ENTRY_SIZE 255
+#endif
+
+struct LP_dir_context_st {
+    DIR *dir;
+    char entry_name[LP_ENTRY_SIZE + 1];
+#ifdef __VMS
+    int expect_file_generations;
+    char previous_entry_name[LP_ENTRY_SIZE + 1];
+#endif
+};
+
+const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
+{
+    struct dirent *direntry = NULL;
+
+    if (ctx == NULL || directory == NULL) {
+        errno = EINVAL;
+        return 0;
+    }
+
+    errno = 0;
+    if (*ctx == NULL) {
+        *ctx = malloc(sizeof(**ctx));
+        if (*ctx == NULL) {
+            errno = ENOMEM;
+            return 0;
+        }
+        memset(*ctx, 0, sizeof(**ctx));
+
+#ifdef __VMS
+        {
+            char c = directory[strlen(directory) - 1];
+
+            if (c == ']' || c == '>' || c == ':')
+                (*ctx)->expect_file_generations = 1;
+        }
+#endif
+
+        (*ctx)->dir = opendir(directory);
+        if ((*ctx)->dir == NULL) {
+            int save_errno = errno; /* Probably not needed, but I'm paranoid */
+            free(*ctx);
+            *ctx = NULL;
+            errno = save_errno;
+            return 0;
+        }
+    }
+
+#ifdef __VMS
+    strncpy((*ctx)->previous_entry_name, (*ctx)->entry_name,
+            sizeof((*ctx)->previous_entry_name));
+
+ again:
+#endif
+
+    direntry = readdir((*ctx)->dir);
+    if (direntry == NULL) {
+        return 0;
+    }
+
+    OPENSSL_strlcpy((*ctx)->entry_name, direntry->d_name,
+                    sizeof((*ctx)->entry_name));
+#ifdef __VMS
+    if ((*ctx)->expect_file_generations) {
+        char *p = (*ctx)->entry_name + strlen((*ctx)->entry_name);
+
+        while(p > (*ctx)->entry_name && isdigit(p[-1]))
+            p--;
+        if (p > (*ctx)->entry_name && p[-1] == ';')
+            p[-1] = '\0';
+        if (strcasecmp((*ctx)->entry_name, (*ctx)->previous_entry_name) == 0)
+            goto again;
+    }
+#endif
+    return (*ctx)->entry_name;
+}
+
+int LP_find_file_end(LP_DIR_CTX **ctx)
+{
+    if (ctx != NULL && *ctx != NULL) {
+        int ret = closedir((*ctx)->dir);
+
+        free(*ctx);
+        switch (ret) {
+        case 0:
+            return 1;
+        case -1:
+            return 0;
+        default:
+            break;
+        }
+    }
+    errno = EINVAL;
+    return 0;
+}