+#include <openssl/asn1t.h>
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_IN, OPT_OUT, OPT_INDENT, OPT_NOOUT,
+ OPT_OID, OPT_OFFSET, OPT_LENGTH, OPT_DUMP, OPT_DLIMIT,
+ OPT_STRPARSE, OPT_GENSTR, OPT_GENCONF, OPT_STRICTPEM,
+ OPT_ITEM
+} OPTION_CHOICE;
+
+const OPTIONS asn1parse_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'F', "input format - one of DER PEM"},
+ {"in", OPT_IN, '<', "input file"},
+ {"out", OPT_OUT, '>', "output file (output format is always DER)"},
+ {"i", OPT_INDENT, 0, "indents the output"},
+ {"noout", OPT_NOOUT, 0, "do not produce any output"},
+ {"offset", OPT_OFFSET, 'p', "offset into file"},
+ {"length", OPT_LENGTH, 'p', "length of section in file"},
+ {"oid", OPT_OID, '<', "file of extra oid definitions"},
+ {"dump", OPT_DUMP, 0, "unknown data in hex form"},
+ {"dlimit", OPT_DLIMIT, 'p',
+ "dump the first arg bytes of unknown data in hex form"},
+ {"strparse", OPT_STRPARSE, 's',
+ "offset; a series of these can be used to 'dig'"},
+ {OPT_MORE_STR, 0, 0, "into multiple ASN1 blob wrappings"},
+ {"genstr", OPT_GENSTR, 's', "string to generate ASN1 structure from"},
+ {"genconf", OPT_GENCONF, 's', "file to generate ASN1 structure from"},
+ {OPT_MORE_STR, 0, 0, "(-inform will be ignored)"},
+ {"strictpem", OPT_STRICTPEM, 0,
+ "do not attempt base64 decode outside PEM markers"},
+ {"item", OPT_ITEM, 's', "item to parse and print"},
+ {NULL}
+};
+
+static int do_generate(char *genstr, const char *genconf, BUF_MEM *buf);
+
+int asn1parse_main(int argc, char **argv)