intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 158 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/rand/rand_egd.c b/contrib/libs/openssl/crypto/rand/rand_egd.c
new file mode 100644
index 0000000000..da3017df31
--- /dev/null
+++ b/contrib/libs/openssl/crypto/rand/rand_egd.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2000-2018 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 <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_EGD
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
+# include <openssl/crypto.h>
+# include <openssl/e_os2.h>
+# include <openssl/rand.h>
+
+/*
+ * Query an EGD
+ */
+
+# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI)
+int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
+{
+    return -1;
+}
+
+int RAND_egd(const char *path)
+{
+    return -1;
+}
+
+int RAND_egd_bytes(const char *path, int bytes)
+{
+    return -1;
+}
+
+# else
+
+#  include OPENSSL_UNISTD
+#  include <stddef.h>
+#  include <sys/types.h>
+#  include <sys/socket.h>
+#  ifndef NO_SYS_UN_H
+#   ifdef OPENSSL_SYS_VXWORKS
+#    include <streams/un.h>
+#   else
+#    include <sys/un.h>
+#   endif
+#  else
+struct sockaddr_un {
+    short sun_family;           /* AF_UNIX */
+    char sun_path[108];         /* path name (gag) */
+};
+#  endif                         /* NO_SYS_UN_H */
+#  include <string.h>
+#  include <errno.h>
+
+int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
+{
+    FILE *fp = NULL;
+    struct sockaddr_un addr;
+    int mybuffer, ret = -1, i, numbytes, fd;
+    unsigned char tempbuf[255];
+
+    if (bytes > (int)sizeof(tempbuf))
+        return -1;
+
+    /* Make socket. */
+    memset(&addr, 0, sizeof(addr));
+    addr.sun_family = AF_UNIX;
+    if (strlen(path) >= sizeof(addr.sun_path))
+        return -1;
+    strcpy(addr.sun_path, path);
+    i = offsetof(struct sockaddr_un, sun_path) + strlen(path);
+    fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (fd == -1 || (fp = fdopen(fd, "r+")) == NULL)
+        return -1;
+    setbuf(fp, NULL);
+
+    /* Try to connect */
+    for ( ; ; ) {
+        if (connect(fd, (struct sockaddr *)&addr, i) == 0)
+            break;
+#  ifdef EISCONN
+        if (errno == EISCONN)
+            break;
+#  endif
+        switch (errno) {
+#  ifdef EINTR
+        case EINTR:
+#  endif
+#  ifdef EAGAIN
+        case EAGAIN:
+#  endif
+#  ifdef EINPROGRESS
+        case EINPROGRESS:
+#  endif
+#  ifdef EALREADY
+        case EALREADY:
+#  endif
+            /* No error, try again */
+            break;
+        default:
+            ret = -1;
+            goto err;
+        }
+    }
+
+    /* Make request, see how many bytes we can get back. */
+    tempbuf[0] = 1;
+    tempbuf[1] = bytes;
+    if (fwrite(tempbuf, sizeof(char), 2, fp) != 2 || fflush(fp) == EOF)
+        goto err;
+    if (fread(tempbuf, sizeof(char), 1, fp) != 1 || tempbuf[0] == 0)
+        goto err;
+    numbytes = tempbuf[0];
+
+    /* Which buffer are we using? */
+    mybuffer = buf == NULL;
+    if (mybuffer)
+        buf = tempbuf;
+
+    /* Read bytes. */
+    i = fread(buf, sizeof(char), numbytes, fp);
+    if (i < numbytes)
+        goto err;
+    ret = numbytes;
+    if (mybuffer)
+        RAND_add(tempbuf, i, i);
+
+ err:
+    if (fp != NULL)
+        fclose(fp);
+    return ret;
+}
+
+int RAND_egd_bytes(const char *path, int bytes)
+{
+    int num;
+
+    num = RAND_query_egd_bytes(path, NULL, bytes);
+    if (num < 0)
+        return -1;
+    if (RAND_status() != 1)
+        return -1;
+    return num;
+}
+
+int RAND_egd(const char *path)
+{
+    return RAND_egd_bytes(path, 255);
+}
+
+# endif
+
+#endif