-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-{
- DH *dh = NULL;
- int i, badops = 0, text = 0;
-# ifndef OPENSSL_NO_DSA
- int dsaparam = 0;
-# endif
- BIO *in = NULL, *out = NULL;
- int informat, outformat, check = 0, noout = 0, C = 0, ret = 1;
- char *infile, *outfile, *prog;
- char *inrand = NULL;
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
+ OPT_ENGINE, OPT_CHECK, OPT_TEXT, OPT_NOOUT,
+ OPT_RAND, OPT_DSAPARAM, OPT_C, OPT_2, OPT_5
+} OPTION_CHOICE;
+
+OPTIONS dhparam_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [flags] [numbits]\n"},
+ {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"inform", OPT_INFORM, 'F', "Input format, DER or PEM"},
+ {"outform", OPT_OUTFORM, 'F', "Output format, DER or PEM"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"check", OPT_CHECK, '-', "Check the DH parameters"},
+ {"text", OPT_TEXT, '-', "Print a text form of the DH parameters"},
+ {"noout", OPT_NOOUT, '-'},
+ {"rand", OPT_RAND, 's',
+ "Load the file(s) into the random number generator"},
+ {"C", OPT_C, '-', "Print C code"},
+ {"2", OPT_2, '-', "Generate parameters using 2 as the generator value"},
+ {"5", OPT_5, '-', "Generate parameters using 5 as the generator value"},