diff options
Diffstat (limited to 'apps/genpkey.c')
-rw-r--r-- | apps/genpkey.c | 242 |
1 files changed, 103 insertions, 139 deletions
diff --git a/apps/genpkey.c b/apps/genpkey.c index bd81d51a22..5130b40a82 100644 --- a/apps/genpkey.c +++ b/apps/genpkey.c @@ -1,4 +1,3 @@ -/* apps/genpkey.c */ /* * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project * 2006 @@ -66,159 +65,125 @@ # include <openssl/engine.h> #endif -static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, - const char *file, ENGINE *e); +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e); static int genpkey_cb(EVP_PKEY_CTX *ctx); -#define PROG genpkey_main - -int MAIN(int, char **); +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE, + OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER +} OPTION_CHOICE; + +OPTIONS genpkey_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"out", OPT_OUT, '>', "Output file"}, + {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"}, + {"pass", OPT_PASS, 's', "Output file pass phrase source"}, + {"paramfile", OPT_PARAMFILE, '<', "Parameters file"}, + {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"}, + {"pkeyopt", OPT_PKEYOPT, 's', + "Set the public key algorithm option as opt:value"}, + {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"}, + {"text", OPT_TEXT, '-', "Print the in text"}, + {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +#endif + {OPT_HELP_STR, 1, 1, + "Order of options may be important! See the documentation.\n"}, + {NULL} +}; -int MAIN(int argc, char **argv) +int genpkey_main(int argc, char **argv) { - ENGINE *e = NULL; - char **args, *outfile = NULL; - char *passarg = NULL; BIO *in = NULL, *out = NULL; - const EVP_CIPHER *cipher = NULL; - int outformat; - int text = 0; + ENGINE *e = NULL; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *ctx = NULL; - char *pass = NULL; - int badarg = 0; - int ret = 1, rv; - - int do_param = 0; - - if (bio_err == NULL) - bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); - - if (!load_config(bio_err, NULL)) - goto end; - - outformat = FORMAT_PEM; - - ERR_load_crypto_strings(); - OpenSSL_add_all_algorithms(); - args = argv + 1; - while (!badarg && *args && *args[0] == '-') { - if (!strcmp(*args, "-outform")) { - if (args[1]) { - args++; - outformat = str2fmt(*args); - } else - badarg = 1; - } else if (!strcmp(*args, "-pass")) { - if (!args[1]) - goto bad; - passarg = *(++args); - } + char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog; + const EVP_CIPHER *cipher = NULL; + OPTION_CHOICE o; + int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0; + + prog = opt_init(argc, argv, genpkey_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + ret = 0; + opt_help(genpkey_options); + goto end; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) + goto opthelp; + break; + case OPT_OUT: + outfile = opt_arg(); + break; + + case OPT_PASS: + passarg = opt_arg(); + break; #ifndef OPENSSL_NO_ENGINE - else if (strcmp(*args, "-engine") == 0) { - if (!args[1]) - goto bad; - e = setup_engine(bio_err, *(++args), 0); - } + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; #endif - else if (!strcmp(*args, "-paramfile")) { - if (!args[1]) - goto bad; - args++; + case OPT_PARAMFILE: if (do_param == 1) - goto bad; - if (!init_keygen_file(bio_err, &ctx, *args, e)) + goto opthelp; + if (!init_keygen_file(&ctx, opt_arg(), e)) goto end; - } else if (!strcmp(*args, "-out")) { - if (args[1]) { - args++; - outfile = *args; - } else - badarg = 1; - } else if (strcmp(*args, "-algorithm") == 0) { - if (!args[1]) - goto bad; - if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param)) + break; + case OPT_ALGORITHM: + if (!init_gen_str(&ctx, opt_arg(), e, do_param)) goto end; - } else if (strcmp(*args, "-pkeyopt") == 0) { - if (!args[1]) - goto bad; - if (!ctx) { - BIO_puts(bio_err, "No keytype specified\n"); - goto bad; - } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) { - BIO_puts(bio_err, "parameter setting error\n"); + break; + case OPT_PKEYOPT: + if (ctx == NULL) { + BIO_printf(bio_err, "%s: No keytype specified.\n", prog); + goto opthelp; + } + if (pkey_ctrl_string(ctx, opt_arg()) <= 0) { + BIO_printf(bio_err, + "%s: Error setting %s parameter:\n", + prog, opt_arg()); ERR_print_errors(bio_err); goto end; } - } else if (strcmp(*args, "-genparam") == 0) { - if (ctx) - goto bad; + break; + case OPT_GENPARAM: + if (ctx != NULL) + goto opthelp; do_param = 1; - } else if (strcmp(*args, "-text") == 0) + break; + case OPT_TEXT: text = 1; - else { - cipher = EVP_get_cipherbyname(*args + 1); - if (!cipher) { - BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1); - badarg = 1; - } - if (do_param == 1) - badarg = 1; + break; + case OPT_CIPHER: + if (!opt_cipher(opt_unknown(), &cipher) + || do_param == 1) + goto opthelp; } - args++; } + argc = opt_num_rest(); + argv = opt_rest(); - if (!ctx) - badarg = 1; - - if (badarg) { - bad: - BIO_printf(bio_err, "Usage: genpkey [options]\n"); - BIO_printf(bio_err, "where options may be\n"); - BIO_printf(bio_err, "-out file output file\n"); - BIO_printf(bio_err, - "-outform X output format (DER or PEM)\n"); - BIO_printf(bio_err, - "-pass arg output file pass phrase source\n"); - BIO_printf(bio_err, - "-<cipher> use cipher <cipher> to encrypt the key\n"); -#ifndef OPENSSL_NO_ENGINE - BIO_printf(bio_err, - "-engine e use engine e, possibly a hardware device.\n"); -#endif - BIO_printf(bio_err, "-paramfile file parameters file\n"); - BIO_printf(bio_err, "-algorithm alg the public key algorithm\n"); - BIO_printf(bio_err, - "-pkeyopt opt:value set the public key algorithm option <opt>\n" - " to value <value>\n"); - BIO_printf(bio_err, - "-genparam generate parameters, not key\n"); - BIO_printf(bio_err, "-text print the in text\n"); - BIO_printf(bio_err, - "NB: options order may be important! See the manual page.\n"); - goto end; - } + if (ctx == NULL) + goto opthelp; - if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { + if (!app_passwd(passarg, NULL, &pass, NULL)) { BIO_puts(bio_err, "Error getting password\n"); goto end; } - if (outfile) { - if (!(out = BIO_new_file(outfile, "wb"))) { - 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 - } + out = bio_open_default(outfile, "wb"); + if (out == NULL) + goto end; EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); EVP_PKEY_CTX_set_app_data(ctx, bio_err); @@ -278,20 +243,19 @@ int MAIN(int argc, char **argv) return ret; } -static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, - const char *file, ENGINE *e) +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e) { BIO *pbio; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *ctx = NULL; if (*pctx) { - BIO_puts(err, "Parameters already set!\n"); + BIO_puts(bio_err, "Parameters already set!\n"); return 0; } pbio = BIO_new_file(file, "r"); if (!pbio) { - BIO_printf(err, "Can't open parameter file %s\n", file); + BIO_printf(bio_err, "Can't open parameter file %s\n", file); return 0; } @@ -313,15 +277,15 @@ static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, return 1; err: - BIO_puts(err, "Error initializing context\n"); - ERR_print_errors(err); + BIO_puts(bio_err, "Error initializing context\n"); + ERR_print_errors(bio_err); EVP_PKEY_CTX_free(ctx); EVP_PKEY_free(pkey); return 0; } -int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx, +int init_gen_str(EVP_PKEY_CTX **pctx, const char *algname, ENGINE *e, int do_param) { EVP_PKEY_CTX *ctx = NULL; @@ -330,7 +294,7 @@ int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx, int pkey_id; if (*pctx) { - BIO_puts(err, "Algorithm already set!\n"); + BIO_puts(bio_err, "Algorithm already set!\n"); return 0; } @@ -369,8 +333,8 @@ int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx, return 1; err: - BIO_printf(err, "Error initializing %s context\n", algname); - ERR_print_errors(err); + BIO_printf(bio_err, "Error initializing %s context\n", algname); + ERR_print_errors(bio_err); EVP_PKEY_CTX_free(ctx); return 0; |