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Demo of use of errors in applications.
[openssl.git]
/
apps
/
rand.c
diff --git
a/apps/rand.c
b/apps/rand.c
index 68622165eb890b551e5c5e13081ad3754f0f3477..790e79592c1ea92e91def9d89358d2b2515e826d 100644
(file)
--- a/
apps/rand.c
+++ b/
apps/rand.c
@@
-68,7
+68,8
@@
/* -out file - write to file
* -rand file:file - PRNG seed files
/* -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
*/
* num - write 'num' bytes
*/
@@
-76,15
+77,17
@@
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
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 i, r, ret = 1;
int badopt;
char *outfile = NULL;
char *inrand = NULL;
int base64 = 0;
+ int hex = 0;
BIO *out = NULL;
int num = -1;
BIO *out = NULL;
int num = -1;
+#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
char *engine=NULL;
+#endif
apps_startup();
apps_startup();
@@
-92,6
+95,9
@@
int MAIN(int argc, char **argv)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
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)
badopt = 0;
i = 0;
while (!badopt && argv[++i] != NULL)
@@
-103,6
+109,7
@@
int MAIN(int argc, char **argv)
else
badopt = 1;
}
else
badopt = 1;
}
+#ifndef OPENSSL_NO_ENGINE
else if (strcmp(argv[i], "-engine") == 0)
{
if ((argv[i+1] != NULL) && (engine == NULL))
else if (strcmp(argv[i], "-engine") == 0)
{
if ((argv[i+1] != NULL) && (engine == NULL))
@@
-110,6
+117,7
@@
int MAIN(int argc, char **argv)
else
badopt = 1;
}
else
badopt = 1;
}
+#endif
else if (strcmp(argv[i], "-rand") == 0)
{
if ((argv[i+1] != NULL) && (inrand == NULL))
else if (strcmp(argv[i], "-rand") == 0)
{
if ((argv[i+1] != NULL) && (inrand == NULL))
@@
-124,6
+132,13
@@
int MAIN(int argc, char **argv)
else
badopt = 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)
else if (isdigit((unsigned char)argv[i][0]))
{
if (num < 0)
@@
-139,6
+154,9
@@
int MAIN(int argc, char **argv)
badopt = 1;
}
badopt = 1;
}
+ if (hex && base64)
+ badopt = 1;
+
if (num < 0)
badopt = 1;
if (num < 0)
badopt = 1;
@@
-147,13
+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");
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, "-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;
}
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)
app_RAND_load_file(NULL, bio_err, (inrand != NULL));
if (inrand != NULL)
@@
-192,15
+215,23
@@
int MAIN(int argc, char **argv)
int chunk;
chunk = num;
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;
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;
}
num -= chunk;
}
- BIO_flush(out);
+ if (hex)
+ BIO_puts(out, "\n");
+ (void)BIO_flush(out);
app_RAND_write_file(NULL, bio_err);
ret = 0;
app_RAND_write_file(NULL, bio_err);
ret = 0;
@@
-210,5
+241,5
@@
err:
if (out)
BIO_free_all(out);
apps_shutdown();
if (out)
BIO_free_all(out);
apps_shutdown();
- EXIT(ret);
+
OPENSSL_
EXIT(ret);
}
}