zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/rand/rand_egd.c b/ap/lib/libssl/openssl-1.1.1o/crypto/rand/rand_egd.c
new file mode 100644
index 0000000..da3017d
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/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