diff options
Diffstat (limited to 'apps/pkeyparam.c')
-rw-r--r-- | apps/pkeyparam.c | 143 |
1 files changed, 55 insertions, 88 deletions
diff --git a/apps/pkeyparam.c b/apps/pkeyparam.c index a148a6621a..5a5caf56bd 100644 --- a/apps/pkeyparam.c +++ b/apps/pkeyparam.c @@ -1,4 +1,3 @@ -/* apps/pkeyparam.c */ /* * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project * 2006 @@ -63,104 +62,72 @@ #include <openssl/err.h> #include <openssl/evp.h> -#define PROG pkeyparam_main - -int MAIN(int, char **); +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 + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +#endif + {NULL} +}; -int MAIN(int argc, char **argv) +int pkeyparam_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 - 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) + int text = 0, noout = 0, ret = 1; + OPTION_CHOICE o; + char *infile = NULL, *outfile = NULL, *prog, *engine = NULL; + + 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: + engine = opt_arg(); + break; + case OPT_TEXT: text = 1; - else if (strcmp(*args, "-noout") == 0) + break; + case OPT_NOOUT: noout = 1; - args++; + break; + } } + argc = opt_num_rest(); + argv = opt_rest(); - if (badarg) { #ifndef OPENSSL_NO_ENGINE - bad: + setup_engine(engine, 0); #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"); -#ifndef OPENSSL_NO_ENGINE - BIO_printf(bio_err, - "-engine e use engine e, possibly a hardware device.\n"); -#endif - return 1; - } -#ifndef OPENSSL_NO_ENGINE - 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 - } + in = bio_open_default(infile, "r"); + if (in == NULL) + goto end; + out = bio_open_default(outfile, "w"); + if (out == NULL) + goto end; pkey = PEM_read_bio_Parameters(in, NULL); if (!pkey) { BIO_printf(bio_err, "Error reading parameters\n"); |