-/* apps/pkeyparam.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
* 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
#include <openssl/err.h>
#include <openssl/evp.h>
-#define PROG pkeyparam_main
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- char **args, *infile = NULL, *outfile = NULL;
- BIO *in = NULL, *out = NULL;
- int text = 0, noout = 0;
- EVP_PKEY *pkey=NULL;
- int badarg = 0;
-#ifndef OPENSSL_NO_ENGINE
- ENGINE *e = NULL;
- char *engine=NULL;
-#endif
- int ret = 1;
-
- if (bio_err == NULL)
- bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- args = argv + 1;
- while (!badarg && *args && *args[0] == '-')
- {
- if (!strcmp (*args, "-in"))
- {
- if (args[1])
- {
- args++;
- infile = *args;
- }
- else badarg = 1;
- }
- else if (!strcmp (*args, "-out"))
- {
- if (args[1])
- {
- args++;
- outfile = *args;
- }
- else badarg = 1;
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*args,"-engine") == 0)
- {
- if (!args[1]) goto bad;
- engine= *(++args);
- }
-#endif
-
- else if (strcmp(*args,"-text") == 0)
- text=1;
- else if (strcmp(*args,"-noout") == 0)
- noout=1;
- args++;
- }
-
- if (badarg)
- {
-#ifndef OPENSSL_NO_ENGINE
- bad:
-#endif
- BIO_printf(bio_err, "Usage pkeyparam [options]\n");
- BIO_printf(bio_err, "where options are\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err, "-text print parameters as text\n");
- BIO_printf(bio_err, "-noout don't output encoded parameters\n");
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_IN, OPT_OUT, OPT_TEXT, OPT_NOOUT, OPT_ENGINE
+} OPTION_CHOICE;
+
+OPTIONS pkeyparam_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"text", OPT_TEXT, '-', "Print parameters as text"},
+ {"noout", OPT_NOOUT, '-', "Don't output encoded parameters"},
#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
- return 1;
- }
-
-#ifndef OPENSSL_NO_ENGINE
- e = setup_engine(bio_err, engine, 0);
-#endif
-
- if (infile)
- {
- if (!(in = BIO_new_file (infile, "r")))
- {
- BIO_printf(bio_err,
- "Can't open input file %s\n", infile);
- goto end;
- }
- }
- else
- in = BIO_new_fp (stdin, BIO_NOCLOSE);
-
- if (outfile)
- {
- if (!(out = BIO_new_file (outfile, "w")))
- {
- BIO_printf(bio_err,
- "Can't open output file %s\n", outfile);
- goto end;
- }
- }
- else
- {
- out = BIO_new_fp (stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-#endif
- }
-
- pkey = PEM_read_bio_Parameters(in, NULL);
- if (!pkey)
- {
- BIO_printf(bio_err, "Error reading paramters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if (!noout)
- PEM_write_bio_Parameters(out,pkey);
-
- if (text)
- EVP_PKEY_print_params(out, pkey, 0, NULL);
-
- ret = 0;
-
- end:
- EVP_PKEY_free(pkey);
- BIO_free_all(out);
- BIO_free(in);
-
- return ret;
- }
+ {NULL}
+};
+
+int pkeyparam_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL;
+ EVP_PKEY *pkey = NULL;
+ int text = 0, noout = 0, ret = 1;
+ OPTION_CHOICE o;
+ char *infile = NULL, *outfile = NULL, *prog;
+
+ prog = opt_init(argc, argv, pkeyparam_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(pkeyparam_options);
+ ret = 0;
+ goto end;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENGINE:
+ (void)setup_engine(opt_arg(), 0);
+ break;
+ case OPT_TEXT:
+ text = 1;
+ break;
+ case OPT_NOOUT:
+ noout = 1;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ if (!app_load_modules(NULL))
+ goto end;
+
+ in = bio_open_default(infile, 'r', FORMAT_PEM);
+ if (in == NULL)
+ goto end;
+ out = bio_open_default(outfile, 'w', FORMAT_PEM);
+ if (out == NULL)
+ goto end;
+ pkey = PEM_read_bio_Parameters(in, NULL);
+ if (!pkey) {
+ BIO_printf(bio_err, "Error reading parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (!noout)
+ PEM_write_bio_Parameters(out, pkey);
+
+ if (text)
+ EVP_PKEY_print_params(out, pkey, 0, NULL);
+
+ ret = 0;
+
+ end:
+ EVP_PKEY_free(pkey);
+ BIO_free_all(out);
+ BIO_free(in);
+
+ return ret;
+}
projects / openssl.git / blobdiff