- prog=argv[0];
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-inform") == 0)
- {
- if (--argc < 1) goto bad;
- informat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-outform") == 0)
- {
- if (--argc < 1) goto bad;
- outformat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-passin") == 0)
- {
- if (--argc < 1) goto bad;
- passargin= *(++argv);
- }
- else if (strcmp(*argv,"-passout") == 0)
- {
- if (--argc < 1) goto bad;
- passargout= *(++argv);
- }
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine= *(++argv);
- }
- else if (strcmp(*argv,"-noout") == 0)
- noout=1;
- else if (strcmp(*argv,"-text") == 0)
- text=1;
- else if (strcmp(*argv,"-modulus") == 0)
- modulus=1;
- else if (strcmp(*argv,"-pubin") == 0)
- pubin=1;
- else if (strcmp(*argv,"-pubout") == 0)
- pubout=1;
- else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
- {
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
-
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
- BIO_printf(bio_err,"where options are\n");
- BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
- BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
- BIO_printf(bio_err," -in arg input file\n");
- BIO_printf(bio_err," -passin arg input file pass phrase source\n");
- BIO_printf(bio_err," -out arg output file\n");
- BIO_printf(bio_err," -passout arg output file pass phrase source\n");
- BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
- BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
- BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
-#ifndef NO_IDEA
- BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
+ prog = opt_init(argc, argv, dsa_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ ret = 0;
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(dsa_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format
+ (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+#ifndef OPENSSL_NO_RC4
+ case OPT_PVK_STRONG:
+ pvk_encr = 2;
+ break;
+ case OPT_PVK_WEAK:
+ pvk_encr = 1;
+ break;
+ case OPT_PVK_NONE:
+ pvk_encr = 0;
+ break;
+#else
+ case OPT_PVK_STRONG:
+ case OPT_PVK_WEAK:
+ case OPT_PVK_NONE:
+ break;