Move libapps.a source to apps/lib

This makes it clearer what's what.  The 'openssl' application and its
sub-commands remain in apps/

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/9723)

1 files changed, 93 insertions, 0 deletions

diff --git a/apps/lib/app_rand.c b/apps/lib/app_rand.c
new file mode 100644
index 0000000000..1861343a9c
--- /dev/null
+++ b/apps/lib/app_rand.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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 "apps.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/conf.h>
+
+static char *save_rand_file;
+
+void app_RAND_load_conf(CONF *c, const char *section)
+{
+    const char *randfile = NCONF_get_string(c, section, "RANDFILE");
+
+    if (randfile == NULL) {
+        ERR_clear_error();
+        return;
+    }
+    if (RAND_load_file(randfile, -1) < 0) {
+        BIO_printf(bio_err, "Can't load %s into RNG\n", randfile);
+        ERR_print_errors(bio_err);
+    }
+    if (save_rand_file == NULL)
+        save_rand_file = OPENSSL_strdup(randfile);
+}
+
+static int loadfiles(char *name)
+{
+    char *p;
+    int last, ret = 1;
+
+    for ( ; ; ) {
+        last = 0;
+        for (p = name; *p != '\0' && *p != LIST_SEPARATOR_CHAR; p++)
+            continue;
+        if (*p == '\0')
+            last = 1;
+        *p = '\0';
+        if (RAND_load_file(name, -1) < 0) {
+            BIO_printf(bio_err, "Can't load %s into RNG\n", name);
+            ERR_print_errors(bio_err);
+            ret = 0;
+        }
+        if (last)
+            break;
+        name = p + 1;
+        if (*name == '\0')
+            break;
+    }
+    return ret;
+}
+
+void app_RAND_write(void)
+{
+    if (save_rand_file == NULL)
+        return;
+    if (RAND_write_file(save_rand_file) == -1) {
+        BIO_printf(bio_err, "Cannot write random bytes:\n");
+        ERR_print_errors(bio_err);
+    }
+    OPENSSL_free(save_rand_file);
+    save_rand_file =  NULL;
+}
+
+
+/*
+ * See comments in opt_verify for explanation of this.
+ */
+enum r_range { OPT_R_ENUM };
+
+int opt_rand(int opt)
+{
+    switch ((enum r_range)opt) {
+    case OPT_R__FIRST:
+    case OPT_R__LAST:
+        break;
+    case OPT_R_RAND:
+        return loadfiles(opt_arg());
+        break;
+    case OPT_R_WRITERAND:
+        OPENSSL_free(save_rand_file);
+        save_rand_file = OPENSSL_strdup(opt_arg());
+        break;
+    }
+    return 1;
+}