- 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;
- }
- 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], "-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 (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 (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");
- BIO_printf(bio_err, "-engine e - use engine e, possibly a hardware device.\n");
- 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");
- goto err;
- }
-
- e = setup_engine(bio_err, engine, 0);
-
- 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);
- }
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_OUT, OPT_ENGINE, OPT_BASE64, OPT_HEX,
+ OPT_R_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS rand_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [flags] num\n"},
+ {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"out", OPT_OUT, '>', "Output file"},
+ OPT_R_OPTIONS,
+ {"base64", OPT_BASE64, '-', "Base64 encode output"},
+ {"hex", OPT_HEX, '-', "Hex encode output"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},