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-rw-r--r--apps/app_rand.c188
1 files changed, 95 insertions, 93 deletions
diff --git a/apps/app_rand.c b/apps/app_rand.c
index b7b6128c1eb9..595fc7821c85 100644
--- a/apps/app_rand.c
+++ b/apps/app_rand.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -63,7 +63,7 @@
* 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
@@ -115,104 +115,106 @@
#include <openssl/bio.h>
#include <openssl/rand.h>
-
static int seeded = 0;
static int egdsocket = 0;
int app_RAND_load_file(const char *file, BIO *bio_e, int dont_warn)
- {
- int consider_randfile = (file == NULL);
- char buffer[200];
-
+{
+ int consider_randfile = (file == NULL);
+ char buffer[200];
+
#ifdef OPENSSL_SYS_WINDOWS
- BIO_printf(bio_e,"Loading 'screen' into random state -");
- BIO_flush(bio_e);
- RAND_screen();
- BIO_printf(bio_e," done\n");
+ BIO_printf(bio_e, "Loading 'screen' into random state -");
+ BIO_flush(bio_e);
+ RAND_screen();
+ BIO_printf(bio_e, " done\n");
#endif
- if (file == NULL)
- file = RAND_file_name(buffer, sizeof buffer);
- else if (RAND_egd(file) > 0)
- {
- /* we try if the given filename is an EGD socket.
- if it is, we don't write anything back to the file. */
- egdsocket = 1;
- return 1;
- }
- if (file == NULL || !RAND_load_file(file, -1))
- {
- if (RAND_status() == 0)
- {
- if (!dont_warn)
- {
- BIO_printf(bio_e,"unable to load 'random state'\n");
- BIO_printf(bio_e,"This means that the random number generator has not been seeded\n");
- BIO_printf(bio_e,"with much random data.\n");
- if (consider_randfile) /* explanation does not apply when a file is explicitly named */
- {
- BIO_printf(bio_e,"Consider setting the RANDFILE environment variable to point at a file that\n");
- BIO_printf(bio_e,"'random' data can be kept in (the file will be overwritten).\n");
- }
- }
- return 0;
- }
- }
- seeded = 1;
- return 1;
- }
+ if (file == NULL)
+ file = RAND_file_name(buffer, sizeof buffer);
+ else if (RAND_egd(file) > 0) {
+ /*
+ * we try if the given filename is an EGD socket. if it is, we don't
+ * write anything back to the file.
+ */
+ egdsocket = 1;
+ return 1;
+ }
+ if (file == NULL || !RAND_load_file(file, -1)) {
+ if (RAND_status() == 0) {
+ if (!dont_warn) {
+ BIO_printf(bio_e, "unable to load 'random state'\n");
+ BIO_printf(bio_e,
+ "This means that the random number generator has not been seeded\n");
+ BIO_printf(bio_e, "with much random data.\n");
+ if (consider_randfile) { /* explanation does not apply when a
+ * file is explicitly named */
+ BIO_printf(bio_e,
+ "Consider setting the RANDFILE environment variable to point at a file that\n");
+ BIO_printf(bio_e,
+ "'random' data can be kept in (the file will be overwritten).\n");
+ }
+ }
+ return 0;
+ }
+ }
+ seeded = 1;
+ return 1;
+}
long app_RAND_load_files(char *name)
- {
- char *p,*n;
- int last;
- long tot=0;
- int egd;
-
- for (;;)
- {
- last=0;
- for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++);
- if (*p == '\0') last=1;
- *p='\0';
- n=name;
- name=p+1;
- if (*n == '\0') break;
+{
+ char *p, *n;
+ int last;
+ long tot = 0;
+ int egd;
- egd=RAND_egd(n);
- if (egd > 0)
- tot+=egd;
- else
- tot+=RAND_load_file(n,-1);
- if (last) break;
- }
- if (tot > 512)
- app_RAND_allow_write_file();
- return(tot);
- }
+ for (;;) {
+ last = 0;
+ for (p = name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++) ;
+ if (*p == '\0')
+ last = 1;
+ *p = '\0';
+ n = name;
+ name = p + 1;
+ if (*n == '\0')
+ break;
+
+ egd = RAND_egd(n);
+ if (egd > 0)
+ tot += egd;
+ else
+ tot += RAND_load_file(n, -1);
+ if (last)
+ break;
+ }
+ if (tot > 512)
+ app_RAND_allow_write_file();
+ return (tot);
+}
int app_RAND_write_file(const char *file, BIO *bio_e)
- {
- char buffer[200];
-
- if (egdsocket || !seeded)
- /* If we did not manage to read the seed file,
- * we should not write a low-entropy seed file back --
- * it would suppress a crucial warning the next time
- * we want to use it. */
- return 0;
+{
+ char buffer[200];
+
+ if (egdsocket || !seeded)
+ /*
+ * If we did not manage to read the seed file, we should not write a
+ * low-entropy seed file back -- it would suppress a crucial warning
+ * the next time we want to use it.
+ */
+ return 0;
- if (file == NULL)
- file = RAND_file_name(buffer, sizeof buffer);
- if (file == NULL || !RAND_write_file(file))
- {
- BIO_printf(bio_e,"unable to write 'random state'\n");
- return 0;
- }
- return 1;
- }
+ if (file == NULL)
+ file = RAND_file_name(buffer, sizeof buffer);
+ if (file == NULL || !RAND_write_file(file)) {
+ BIO_printf(bio_e, "unable to write 'random state'\n");
+ return 0;
+ }
+ return 1;
+}
void app_RAND_allow_write_file(void)
- {
- seeded = 1;
- }
+{
+ seeded = 1;
+}