1 files changed, 141 insertions, 157 deletions

diff --git a/openssl/apps/rand.c b/openssl/apps/rand.c
index 790e79592..e159da37b 100644
--- a/openssl/apps/rand.c
+++ b/openssl/apps/rand.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    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
@@ -66,7 +66,8 @@
 #undef PROG
 #define PROG rand_main
 
-/* -out file         - write to file
+/*-
+ * -out file         - write to file
  * -rand file:file   - PRNG seed files
  * -base64           - base64 encode output
  * -hex              - hex encode output
@@ -76,170 +77,153 @@
 int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
-	{
-	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;
+{
+    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;
+    char *engine = NULL;
 #endif
 
-	apps_startup();
-
-	if (bio_err == NULL)
-		if ((bio_err = BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
-
-	if (!load_config(bio_err, NULL))
-		goto err;
-
-	badopt = 0;
-	i = 0;
-	while (!badopt && argv[++i] != NULL)
-		{
-		if (strcmp(argv[i], "-out") == 0)
-			{
-			if ((argv[i+1] != NULL) && (outfile == NULL))
-				outfile = argv[++i];
-			else
-				badopt = 1;
-			}
+    apps_startup();
+
+    if (bio_err == NULL)
+        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+
+    if (!load_config(bio_err, NULL))
+        goto err;
+
+    badopt = 0;
+    i = 0;
+    while (!badopt && argv[++i] != NULL) {
+        if (strcmp(argv[i], "-out") == 0) {
+            if ((argv[i + 1] != NULL) && (outfile == NULL))
+                outfile = argv[++i];
+            else
+                badopt = 1;
+        }
 #ifndef OPENSSL_NO_ENGINE
-		else if (strcmp(argv[i], "-engine") == 0)
-			{
-			if ((argv[i+1] != NULL) && (engine == NULL))
-				engine = argv[++i];
-			else
-				badopt = 1;
-			}
+        else if (strcmp(argv[i], "-engine") == 0) {
+            if ((argv[i + 1] != NULL) && (engine == NULL))
+                engine = argv[++i];
+            else
+                badopt = 1;
+        }
 #endif
-		else if (strcmp(argv[i], "-rand") == 0)
-			{
-			if ((argv[i+1] != NULL) && (inrand == NULL))
-				inrand = argv[++i];
-			else
-				badopt = 1;
-			}
-		else if (strcmp(argv[i], "-base64") == 0)
-			{
-			if (!base64)
-				base64 = 1;
-			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)
-				{
-				r = sscanf(argv[i], "%d", &num);
-				if (r == 0 || num < 0)
-					badopt = 1;
-				}
-			else
-				badopt = 1;
-			}
-		else
-			badopt = 1;
-		}
-
-	if (hex && base64)
-		badopt = 1;
-
-	if (num < 0)
-		badopt = 1;
-	
-	if (badopt) 
-		{
-		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");
+        else if (strcmp(argv[i], "-rand") == 0) {
+            if ((argv[i + 1] != NULL) && (inrand == NULL))
+                inrand = argv[++i];
+            else
+                badopt = 1;
+        } else if (strcmp(argv[i], "-base64") == 0) {
+            if (!base64)
+                base64 = 1;
+            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) {
+                r = sscanf(argv[i], "%d", &num);
+                if (r == 0 || num < 0)
+                    badopt = 1;
+            } else
+                badopt = 1;
+        } else
+            badopt = 1;
+    }
+
+    if (hex && base64)
+        badopt = 1;
+
+    if (num < 0)
+        badopt = 1;
+
+    if (badopt) {
+        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");
+        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               - base64 encode output\n");
-		BIO_printf(bio_err, "-hex                  - hex encode output\n");
-		goto err;
-		}
-
+        BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from files\n",
+                   LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+        BIO_printf(bio_err, "-base64               - base64 encode output\n");
+        BIO_printf(bio_err, "-hex                  - hex encode output\n");
+        goto err;
+    }
 #ifndef OPENSSL_NO_ENGINE
-        setup_engine(bio_err, engine, 0);
+    setup_engine(bio_err, engine, 0);
 #endif
 
-	app_RAND_load_file(NULL, bio_err, (inrand != NULL));
-	if (inrand != NULL)
-		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-			app_RAND_load_files(inrand));
-
-	out = BIO_new(BIO_s_file());
-	if (out == NULL)
-		goto err;
-	if (outfile != NULL)
-		r = BIO_write_filename(out, outfile);
-	else
-		{
-		r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
+    app_RAND_load_file(NULL, bio_err, (inrand != NULL));
+    if (inrand != NULL)
+        BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+                   app_RAND_load_files(inrand));
+
+    out = BIO_new(BIO_s_file());
+    if (out == NULL)
+        goto err;
+    if (outfile != NULL)
+        r = BIO_write_filename(out, outfile);
+    else {
+        r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
 #ifdef OPENSSL_SYS_VMS
-		{
-		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-		out = BIO_push(tmpbio, out);
-		}
+        {
+            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+            out = BIO_push(tmpbio, out);
+        }
 #endif
-		}
-	if (r <= 0)
-		goto err;
-
-	if (base64)
-		{
-		BIO *b64 = BIO_new(BIO_f_base64());
-		if (b64 == NULL)
-			goto err;
-		out = BIO_push(b64, out);
-		}
-	
-	while (num > 0) 
-		{
-		unsigned char buf[4096];
-		int chunk;
-
-		chunk = num;
-		if (chunk > (int)sizeof(buf))
-			chunk = sizeof buf;
-		r = RAND_bytes(buf, chunk);
-		if (r <= 0)
-			goto err;
-		if (!hex) 
-			BIO_write(out, buf, chunk);
-		else
-			{
-			for (i = 0; i < chunk; i++)
-				BIO_printf(out, "%02x", buf[i]);
-			}
-		num -= chunk;
-		}
-	if (hex)
-		BIO_puts(out, "\n");
-	(void)BIO_flush(out);
-
-	app_RAND_write_file(NULL, bio_err);
-	ret = 0;
-	
-err:
-	ERR_print_errors(bio_err);
-	if (out)
-		BIO_free_all(out);
-	apps_shutdown();
-	OPENSSL_EXIT(ret);
-	}
+    }
+    if (r <= 0)
+        goto err;
+
+    if (base64) {
+        BIO *b64 = BIO_new(BIO_f_base64());
+        if (b64 == NULL)
+            goto err;
+        out = BIO_push(b64, out);
+    }
+
+    while (num > 0) {
+        unsigned char buf[4096];
+        int chunk;
+
+        chunk = num;
+        if (chunk > (int)sizeof(buf))
+            chunk = sizeof buf;
+        r = RAND_bytes(buf, chunk);
+        if (r <= 0)
+            goto err;
+        if (!hex)
+            BIO_write(out, buf, chunk);
+        else {
+            for (i = 0; i < chunk; i++)
+                BIO_printf(out, "%02x", buf[i]);
+        }
+        num -= chunk;
+    }
+    if (hex)
+        BIO_puts(out, "\n");
+    (void)BIO_flush(out);
+
+    app_RAND_write_file(NULL, bio_err);
+    ret = 0;
+
+ err:
+    ERR_print_errors(bio_err);
+    if (out)
+        BIO_free_all(out);
+    apps_shutdown();
+    OPENSSL_EXIT(ret);
+}