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-rw-r--r--apps/rand.c298
1 files changed, 141 insertions, 157 deletions
diff --git a/apps/rand.c b/apps/rand.c
index 790e79592c1e..e159da37be18 100644
--- a/apps/rand.c
+++ b/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);
+}