X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Frand.c;h=790e79592c1ea92e91def9d89358d2b2515e826d;hp=eaaa6e35a62008572fb2da51ac294506595e6868;hb=139cd16cc58330840890f914c318f00de6bfd831;hpb=1c3e4a366022c043ae87ff9715905e97582bf649

diff --git a/apps/rand.c b/apps/rand.c
index eaaa6e35a6..790e79592c 100644
--- a/apps/rand.c
+++ b/apps/rand.c
@@ -68,7 +68,8 @@
 
 /* -out file         - write to file
  * -rand file:file   - PRNG seed files
- * -base64           - encode output
+ * -base64           - base64 encode output
+ * -hex              - hex encode output
  * num               - write 'num' bytes
  */
 
@@ -76,15 +77,17 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-	ENGINE *e = NULL;
 	int i, r, ret = 1;
 	int badopt;
 	char *outfile = NULL;
 	char *inrand = NULL;
 	int base64 = 0;
+	int hex = 0;
 	BIO *out = NULL;
 	int num = -1;
+#ifndef OPENSSL_NO_ENGINE
 	char *engine=NULL;
+#endif
 
 	apps_startup();
 
@@ -106,6 +109,7 @@ int MAIN(int argc, char **argv)
 			else
 				badopt = 1;
 			}
+#ifndef OPENSSL_NO_ENGINE
 		else if (strcmp(argv[i], "-engine") == 0)
 			{
 			if ((argv[i+1] != NULL) && (engine == NULL))
@@ -113,6 +117,7 @@ int MAIN(int argc, char **argv)
 			else
 				badopt = 1;
 			}
+#endif
 		else if (strcmp(argv[i], "-rand") == 0)
 			{
 			if ((argv[i+1] != NULL) && (inrand == NULL))
@@ -127,6 +132,13 @@ int MAIN(int argc, char **argv)
 			else
 				badopt = 1;
 			}
+		else if (strcmp(argv[i], "-hex") == 0)
+			{
+			if (!hex)
+				hex = 1;
+			else
+				badopt = 1;
+			}
 		else if (isdigit((unsigned char)argv[i][0]))
 			{
 			if (num < 0)
@@ -142,6 +154,9 @@ int MAIN(int argc, char **argv)
 			badopt = 1;
 		}
 
+	if (hex && base64)
+		badopt = 1;
+
 	if (num < 0)
 		badopt = 1;
 	
@@ -150,13 +165,18 @@ int MAIN(int argc, char **argv)
 		BIO_printf(bio_err, "Usage: rand [options] num\n");
 		BIO_printf(bio_err, "where options are\n");
 		BIO_printf(bio_err, "-out file             - write to file\n");
+#ifndef OPENSSL_NO_ENGINE
 		BIO_printf(bio_err, "-engine e             - use engine e, possibly a hardware device.\n");
+#endif
 		BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from files\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-		BIO_printf(bio_err, "-base64               - encode output\n");
+		BIO_printf(bio_err, "-base64               - base64 encode output\n");
+		BIO_printf(bio_err, "-hex                  - hex encode output\n");
 		goto err;
 		}
 
-        e = setup_engine(bio_err, engine, 0);
+#ifndef OPENSSL_NO_ENGINE
+        setup_engine(bio_err, engine, 0);
+#endif
 
 	app_RAND_load_file(NULL, bio_err, (inrand != NULL));
 	if (inrand != NULL)
@@ -195,15 +215,23 @@ int MAIN(int argc, char **argv)
 		int chunk;
 
 		chunk = num;
-		if (chunk > sizeof buf)
+		if (chunk > (int)sizeof(buf))
 			chunk = sizeof buf;
 		r = RAND_bytes(buf, chunk);
 		if (r <= 0)
 			goto err;
-		BIO_write(out, buf, chunk);
+		if (!hex) 
+			BIO_write(out, buf, chunk);
+		else
+			{
+			for (i = 0; i < chunk; i++)
+				BIO_printf(out, "%02x", buf[i]);
+			}
 		num -= chunk;
 		}
-	BIO_flush(out);
+	if (hex)
+		BIO_puts(out, "\n");
+	(void)BIO_flush(out);
 
 	app_RAND_write_file(NULL, bio_err);
 	ret = 0;