diff options
Diffstat (limited to 'openssl-1.1.0h/apps/req.c')
| -rw-r--r-- | openssl-1.1.0h/apps/req.c | 1510 |
1 files changed, 1510 insertions, 0 deletions
diff --git a/openssl-1.1.0h/apps/req.c b/openssl-1.1.0h/apps/req.c new file mode 100644 index 0000000..2a21569 --- /dev/null +++ b/openssl-1.1.0h/apps/req.c @@ -0,0 +1,1510 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <string.h> +#include "apps.h" +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/conf.h> +#include <openssl/err.h> +#include <openssl/asn1.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include <openssl/objects.h> +#include <openssl/pem.h> +#include <openssl/bn.h> +#ifndef OPENSSL_NO_RSA +# include <openssl/rsa.h> +#endif +#ifndef OPENSSL_NO_DSA +# include <openssl/dsa.h> +#endif + +#define SECTION "req" + +#define BITS "default_bits" +#define KEYFILE "default_keyfile" +#define PROMPT "prompt" +#define DISTINGUISHED_NAME "distinguished_name" +#define ATTRIBUTES "attributes" +#define V3_EXTENSIONS "x509_extensions" +#define REQ_EXTENSIONS "req_extensions" +#define STRING_MASK "string_mask" +#define UTF8_IN "utf8" + +#define DEFAULT_KEY_LENGTH 2048 +#define MIN_KEY_LENGTH 512 + +static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn, + int attribs, unsigned long chtype); +static int build_subject(X509_REQ *req, const char *subj, unsigned long chtype, + int multirdn); +static int prompt_info(X509_REQ *req, + STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect, + STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect, + int attribs, unsigned long chtype); +static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, + STACK_OF(CONF_VALUE) *attr, int attribs, + unsigned long chtype); +static int add_attribute_object(X509_REQ *req, char *text, const char *def, + char *value, int nid, int n_min, int n_max, + unsigned long chtype); +static int add_DN_object(X509_NAME *n, char *text, const char *def, + char *value, int nid, int n_min, int n_max, + unsigned long chtype, int mval); +static int genpkey_cb(EVP_PKEY_CTX *ctx); +static int req_check_len(int len, int n_min, int n_max); +static int check_end(const char *str, const char *end); +static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr, + int *pkey_type, long *pkeylen, + char **palgnam, ENGINE *keygen_engine); +static CONF *req_conf = NULL; +static int batch = 0; + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY, + OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT, + OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_RAND, OPT_NEWKEY, + OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS, + OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8, + OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509, + OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_EXTENSIONS, + OPT_REQEXTS, OPT_MD +} OPTION_CHOICE; + +OPTIONS req_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"}, + {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, + {"in", OPT_IN, '<', "Input file"}, + {"out", OPT_OUT, '>', "Output file"}, + {"key", OPT_KEY, 's', "Private key to use"}, + {"keyform", OPT_KEYFORM, 'f', "Key file format"}, + {"pubkey", OPT_PUBKEY, '-', "Output public key"}, + {"new", OPT_NEW, '-', "New request"}, + {"config", OPT_CONFIG, '<', "Request template file"}, + {"keyout", OPT_KEYOUT, '>', "File to send the key to"}, + {"passin", OPT_PASSIN, 's', "Private key password source"}, + {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, + {"rand", OPT_RAND, 's', + "Load the file(s) into the random number generator"}, + {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"}, + {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"}, + {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"}, + {"batch", OPT_BATCH, '-', + "Do not ask anything during request generation"}, + {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"}, + {"modulus", OPT_MODULUS, '-', "RSA modulus"}, + {"verify", OPT_VERIFY, '-', "Verify signature on REQ"}, + {"nodes", OPT_NODES, '-', "Don't encrypt the output key"}, + {"noout", OPT_NOOUT, '-', "Do not output REQ"}, + {"verbose", OPT_VERBOSE, '-', "Verbose output"}, + {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"}, + {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, + {"reqopt", OPT_REQOPT, 's', "Various request text options"}, + {"text", OPT_TEXT, '-', "Text form of request"}, + {"x509", OPT_X509, '-', + "Output a x509 structure instead of a cert request"}, + {OPT_MORE_STR, 1, 1, "(Required by some CA's)"}, + {"subj", OPT_SUBJ, 's', "Set or modify request subject"}, + {"subject", OPT_SUBJECT, '-', "Output the request's subject"}, + {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-', + "Enable support for multivalued RDNs"}, + {"days", OPT_DAYS, 'p', "Number of days cert is valid for"}, + {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"}, + {"extensions", OPT_EXTENSIONS, 's', + "Cert extension section (override value in config file)"}, + {"reqexts", OPT_REQEXTS, 's', + "Request extension section (override value in config file)"}, + {"", OPT_MD, '-', "Any supported digest"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, + {"keygen_engine", OPT_KEYGEN_ENGINE, 's', + "Specify engine to be used for key generation operations"}, +#endif + {NULL} +}; + +int req_main(int argc, char **argv) +{ + ASN1_INTEGER *serial = NULL; + BIO *in = NULL, *out = NULL; + ENGINE *e = NULL, *gen_eng = NULL; + EVP_PKEY *pkey = NULL; + EVP_PKEY_CTX *genctx = NULL; + STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL; + X509 *x509ss = NULL; + X509_REQ *req = NULL; + const EVP_CIPHER *cipher = NULL; + const EVP_MD *md_alg = NULL, *digest = NULL; + char *extensions = NULL, *infile = NULL; + char *outfile = NULL, *keyfile = NULL, *inrand = NULL; + char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL; + char *passin = NULL, *passout = NULL; + char *nofree_passin = NULL, *nofree_passout = NULL; + char *req_exts = NULL, *subj = NULL; + char *template = default_config_file, *keyout = NULL; + const char *keyalg = NULL; + OPTION_CHOICE o; + int ret = 1, x509 = 0, days = 30, i = 0, newreq = 0, verbose = 0; + int pkey_type = -1, private = 0; + int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM; + int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0; + int nodes = 0, newhdr = 0, subject = 0, pubkey = 0; + long newkey = -1; + unsigned long chtype = MBSTRING_ASC, nmflag = 0, reqflag = 0; + char nmflag_set = 0; + +#ifndef OPENSSL_NO_DES + cipher = EVP_des_ede3_cbc(); +#endif + + prog = opt_init(argc, argv, req_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: + opt_help(req_options); + ret = 0; + goto end; + case OPT_INFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) + goto opthelp; + break; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) + goto opthelp; + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_KEYGEN_ENGINE: +#ifndef OPENSSL_NO_ENGINE + gen_eng = ENGINE_by_id(opt_arg()); + if (gen_eng == NULL) { + BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv); + goto opthelp; + } +#endif + break; + case OPT_KEY: + keyfile = opt_arg(); + break; + case OPT_PUBKEY: + pubkey = 1; + break; + case OPT_NEW: + newreq = 1; + break; + case OPT_CONFIG: + template = opt_arg(); + break; + case OPT_KEYFORM: + if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) + goto opthelp; + break; + case OPT_IN: + infile = opt_arg(); + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_KEYOUT: + keyout = opt_arg(); + break; + case OPT_PASSIN: + passargin = opt_arg(); + break; + case OPT_PASSOUT: + passargout = opt_arg(); + break; + case OPT_RAND: + inrand = opt_arg(); + break; + case OPT_NEWKEY: + keyalg = opt_arg(); + newreq = 1; + break; + case OPT_PKEYOPT: + if (!pkeyopts) + pkeyopts = sk_OPENSSL_STRING_new_null(); + if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg())) + goto opthelp; + break; + case OPT_SIGOPT: + if (!sigopts) + sigopts = sk_OPENSSL_STRING_new_null(); + if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) + goto opthelp; + break; + case OPT_BATCH: + batch = 1; + break; + case OPT_NEWHDR: + newhdr = 1; + break; + case OPT_MODULUS: + modulus = 1; + break; + case OPT_VERIFY: + verify = 1; + break; + case OPT_NODES: + nodes = 1; + break; + case OPT_NOOUT: + noout = 1; + break; + case OPT_VERBOSE: + verbose = 1; + break; + case OPT_UTF8: + chtype = MBSTRING_UTF8; + break; + case OPT_NAMEOPT: + nmflag_set = 1; + if (!set_name_ex(&nmflag, opt_arg())) + goto opthelp; + break; + case OPT_REQOPT: + if (!set_cert_ex(&reqflag, opt_arg())) + goto opthelp; + break; + case OPT_TEXT: + text = 1; + break; + case OPT_X509: + x509 = 1; + break; + case OPT_DAYS: + days = atoi(opt_arg()); + break; + case OPT_SET_SERIAL: + if (serial != NULL) { + BIO_printf(bio_err, "Serial number supplied twice\n"); + goto opthelp; + } + serial = s2i_ASN1_INTEGER(NULL, opt_arg()); + if (serial == NULL) + goto opthelp; + break; + case OPT_SUBJECT: + subject = 1; + break; + case OPT_SUBJ: + subj = opt_arg(); + break; + case OPT_MULTIVALUE_RDN: + multirdn = 1; + break; + case OPT_EXTENSIONS: + extensions = opt_arg(); + break; + case OPT_REQEXTS: + req_exts = opt_arg(); + break; + case OPT_MD: + if (!opt_md(opt_unknown(), &md_alg)) + goto opthelp; + digest = md_alg; + break; + } + } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; + + if (x509 && infile == NULL) + newreq = 1; + + if (!nmflag_set) + nmflag = XN_FLAG_ONELINE; + + /* TODO: simplify this as pkey is still always NULL here */ + private = newreq && (pkey == NULL) ? 1 : 0; + + if (!app_passwd(passargin, passargout, &passin, &passout)) { + BIO_printf(bio_err, "Error getting passwords\n"); + goto end; + } + + if (verbose) + BIO_printf(bio_err, "Using configuration from %s\n", template); + req_conf = app_load_config(template); + if (template != default_config_file && !app_load_modules(req_conf)) + goto end; + + if (req_conf != NULL) { + p = NCONF_get_string(req_conf, NULL, "oid_file"); + if (p == NULL) + ERR_clear_error(); + if (p != NULL) { + BIO *oid_bio; + + oid_bio = BIO_new_file(p, "r"); + if (oid_bio == NULL) { + /*- + BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); + ERR_print_errors(bio_err); + */ + } else { + OBJ_create_objects(oid_bio); + BIO_free(oid_bio); + } + } + } + if (!add_oid_section(req_conf)) + goto end; + + if (md_alg == NULL) { + p = NCONF_get_string(req_conf, SECTION, "default_md"); + if (p == NULL) + ERR_clear_error(); + else { + if (!opt_md(p, &md_alg)) + goto opthelp; + digest = md_alg; + } + } + + if (!extensions) { + extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); + if (!extensions) + ERR_clear_error(); + } + if (extensions) { + /* Check syntax of file */ + X509V3_CTX ctx; + X509V3_set_ctx_test(&ctx); + X509V3_set_nconf(&ctx, req_conf); + if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { + BIO_printf(bio_err, + "Error Loading extension section %s\n", extensions); + goto end; + } + } + + if (passin == NULL) { + passin = nofree_passin = + NCONF_get_string(req_conf, SECTION, "input_password"); + if (passin == NULL) + ERR_clear_error(); + } + + if (passout == NULL) { + passout = nofree_passout = + NCONF_get_string(req_conf, SECTION, "output_password"); + if (passout == NULL) + ERR_clear_error(); + } + + p = NCONF_get_string(req_conf, SECTION, STRING_MASK); + if (!p) + ERR_clear_error(); + + if (p && !ASN1_STRING_set_default_mask_asc(p)) { + BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); + goto end; + } + + if (chtype != MBSTRING_UTF8) { + p = NCONF_get_string(req_conf, SECTION, UTF8_IN); + if (!p) + ERR_clear_error(); + else if (strcmp(p, "yes") == 0) + chtype = MBSTRING_UTF8; + } + + if (!req_exts) { + req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); + if (!req_exts) + ERR_clear_error(); + } + if (req_exts) { + /* Check syntax of file */ + X509V3_CTX ctx; + X509V3_set_ctx_test(&ctx); + X509V3_set_nconf(&ctx, req_conf); + if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { + BIO_printf(bio_err, + "Error Loading request extension section %s\n", + req_exts); + goto end; + } + } + + if (keyfile != NULL) { + pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); + if (!pkey) { + /* load_key() has already printed an appropriate message */ + goto end; + } else { + char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE"); + if (randfile == NULL) + ERR_clear_error(); + app_RAND_load_file(randfile, 0); + } + } + + if (newreq && (pkey == NULL)) { + char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE"); + if (randfile == NULL) + ERR_clear_error(); + app_RAND_load_file(randfile, 0); + if (inrand) + app_RAND_load_files(inrand); + + if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) { + newkey = DEFAULT_KEY_LENGTH; + } + + if (keyalg) { + genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey, + &keyalgstr, gen_eng); + if (!genctx) + goto end; + } + + if (newkey < MIN_KEY_LENGTH + && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) { + BIO_printf(bio_err, "private key length is too short,\n"); + BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", + MIN_KEY_LENGTH, newkey); + goto end; + } + + if (!genctx) { + genctx = set_keygen_ctx(NULL, &pkey_type, &newkey, + &keyalgstr, gen_eng); + if (!genctx) + goto end; + } + + if (pkeyopts) { + char *genopt; + for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) { + genopt = sk_OPENSSL_STRING_value(pkeyopts, i); + if (pkey_ctrl_string(genctx, genopt) <= 0) { + BIO_printf(bio_err, "parameter error \"%s\"\n", genopt); + ERR_print_errors(bio_err); + goto end; + } + } + } + + if (pkey_type == EVP_PKEY_EC) { + BIO_printf(bio_err, "Generating an EC private key\n"); + } else { + BIO_printf(bio_err, "Generating a %ld bit %s private key\n", + newkey, keyalgstr); + } + + EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); + EVP_PKEY_CTX_set_app_data(genctx, bio_err); + + if (EVP_PKEY_keygen(genctx, &pkey) <= 0) { + BIO_puts(bio_err, "Error Generating Key\n"); + goto end; + } + + EVP_PKEY_CTX_free(genctx); + genctx = NULL; + + app_RAND_write_file(randfile); + + if (keyout == NULL) { + keyout = NCONF_get_string(req_conf, SECTION, KEYFILE); + if (keyout == NULL) + ERR_clear_error(); + } + + if (keyout == NULL) + BIO_printf(bio_err, "writing new private key to stdout\n"); + else + BIO_printf(bio_err, "writing new private key to '%s'\n", keyout); + out = bio_open_owner(keyout, outformat, private); + if (out == NULL) + goto end; + + p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key"); + if (p == NULL) { + ERR_clear_error(); + p = NCONF_get_string(req_conf, SECTION, "encrypt_key"); + if (p == NULL) + ERR_clear_error(); + } + if ((p != NULL) && (strcmp(p, "no") == 0)) + cipher = NULL; + if (nodes) + cipher = NULL; + + i = 0; + loop: + assert(private); + if (!PEM_write_bio_PrivateKey(out, pkey, cipher, + NULL, 0, NULL, passout)) { + if ((ERR_GET_REASON(ERR_peek_error()) == + PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) { + ERR_clear_error(); + i++; + goto loop; + } + goto end; + } + BIO_free(out); + out = NULL; + BIO_printf(bio_err, "-----\n"); + } + + if (!newreq) { + in = bio_open_default(infile, 'r', informat); + if (in == NULL) + goto end; + + if (informat == FORMAT_ASN1) + req = d2i_X509_REQ_bio(in, NULL); + else + req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); + if (req == NULL) { + BIO_printf(bio_err, "unable to load X509 request\n"); + goto end; + } + } + + if (newreq || x509) { + if (pkey == NULL) { + BIO_printf(bio_err, "you need to specify a private key\n"); + goto end; + } + + if (req == NULL) { + req = X509_REQ_new(); + if (req == NULL) { + goto end; + } + + i = make_REQ(req, pkey, subj, multirdn, !x509, chtype); + subj = NULL; /* done processing '-subj' option */ + if (!i) { + BIO_printf(bio_err, "problems making Certificate Request\n"); + goto end; + } + } + if (x509) { + EVP_PKEY *tmppkey; + X509V3_CTX ext_ctx; + if ((x509ss = X509_new()) == NULL) + goto end; + + /* Set version to V3 */ + if (extensions && !X509_set_version(x509ss, 2)) + goto end; + if (serial) { + if (!X509_set_serialNumber(x509ss, serial)) + goto end; + } else { + if (!rand_serial(NULL, X509_get_serialNumber(x509ss))) + goto end; + } + + if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) + goto end; + if (!set_cert_times(x509ss, NULL, NULL, days)) + goto end; + if (!X509_set_subject_name + (x509ss, X509_REQ_get_subject_name(req))) + goto end; + tmppkey = X509_REQ_get0_pubkey(req); + if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey)) + goto end; + + /* Set up V3 context struct */ + + X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); + X509V3_set_nconf(&ext_ctx, req_conf); + + /* Add extensions */ + if (extensions && !X509V3_EXT_add_nconf(req_conf, + &ext_ctx, extensions, + x509ss)) { + BIO_printf(bio_err, "Error Loading extension section %s\n", + extensions); + goto end; + } + + i = do_X509_sign(x509ss, pkey, digest, sigopts); + if (!i) { + ERR_print_errors(bio_err); + goto end; + } + } else { + X509V3_CTX ext_ctx; + + /* Set up V3 context struct */ + + X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); + X509V3_set_nconf(&ext_ctx, req_conf); + + /* Add extensions */ + if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, + &ext_ctx, req_exts, + req)) { + BIO_printf(bio_err, "Error Loading extension section %s\n", + req_exts); + goto end; + } + i = do_X509_REQ_sign(req, pkey, digest, sigopts); + if (!i) { + ERR_print_errors(bio_err); + goto end; + } + } + } + + if (subj && x509) { + BIO_printf(bio_err, "Cannot modify certificate subject\n"); + goto end; + } + + if (subj && !x509) { + if (verbose) { + BIO_printf(bio_err, "Modifying Request's Subject\n"); + print_name(bio_err, "old subject=", + X509_REQ_get_subject_name(req), nmflag); + } + + if (build_subject(req, subj, chtype, multirdn) == 0) { + BIO_printf(bio_err, "ERROR: cannot modify subject\n"); + ret = 1; + goto end; + } + + if (verbose) { + print_name(bio_err, "new subject=", + X509_REQ_get_subject_name(req), nmflag); + } + } + + if (verify && !x509) { + EVP_PKEY *tpubkey = pkey; + + if (tpubkey == NULL) { + tpubkey = X509_REQ_get0_pubkey(req); + if (tpubkey == NULL) + goto end; + } + + i = X509_REQ_verify(req, tpubkey); + + if (i < 0) { + goto end; + } else if (i == 0) { + BIO_printf(bio_err, "verify failure\n"); + ERR_print_errors(bio_err); + } else /* if (i > 0) */ + BIO_printf(bio_err, "verify OK\n"); + } + + if (noout && !text && !modulus && !subject && !pubkey) { + ret = 0; + goto end; + } + + out = bio_open_default(outfile, + keyout != NULL && outfile != NULL && + strcmp(keyout, outfile) == 0 ? 'a' : 'w', + outformat); + if (out == NULL) + goto end; + + if (pubkey) { + EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req); + + if (tpubkey == NULL) { + BIO_printf(bio_err, "Error getting public key\n"); + ERR_print_errors(bio_err); + goto end; + } + PEM_write_bio_PUBKEY(out, tpubkey); + } + + if (text) { + if (x509) + X509_print_ex(out, x509ss, nmflag, reqflag); + else + X509_REQ_print_ex(out, req, nmflag, reqflag); + } + + if (subject) { + if (x509) + print_name(out, "subject=", X509_get_subject_name(x509ss), + nmflag); + else + print_name(out, "subject=", X509_REQ_get_subject_name(req), + nmflag); + } + + if (modulus) { + EVP_PKEY *tpubkey; + + if (x509) + tpubkey = X509_get0_pubkey(x509ss); + else + tpubkey = X509_REQ_get0_pubkey(req); + if (tpubkey == NULL) { + fprintf(stdout, "Modulus=unavailable\n"); + goto end; + } + fprintf(stdout, "Modulus="); +#ifndef OPENSSL_NO_RSA + if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) { + const BIGNUM *n; + RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL); + BN_print(out, n); + } else +#endif + fprintf(stdout, "Wrong Algorithm type"); + fprintf(stdout, "\n"); + } + + if (!noout && !x509) { + if (outformat == FORMAT_ASN1) + i = i2d_X509_REQ_bio(out, req); + else if (newhdr) + i = PEM_write_bio_X509_REQ_NEW(out, req); + else + i = PEM_write_bio_X509_REQ(out, req); + if (!i) { + BIO_printf(bio_err, "unable to write X509 request\n"); + goto end; + } + } + if (!noout && x509 && (x509ss != NULL)) { + if (outformat == FORMAT_ASN1) + i = i2d_X509_bio(out, x509ss); + else + i = PEM_write_bio_X509(out, x509ss); + if (!i) { + BIO_printf(bio_err, "unable to write X509 certificate\n"); + goto end; + } + } + ret = 0; + end: + if (ret) { + ERR_print_errors(bio_err); + } + NCONF_free(req_conf); + BIO_free(in); + BIO_free_all(out); + EVP_PKEY_free(pkey); + EVP_PKEY_CTX_free(genctx); + sk_OPENSSL_STRING_free(pkeyopts); + sk_OPENSSL_STRING_free(sigopts); +#ifndef OPENSSL_NO_ENGINE + ENGINE_free(gen_eng); +#endif + OPENSSL_free(keyalgstr); + X509_REQ_free(req); + X509_free(x509ss); + ASN1_INTEGER_free(serial); + release_engine(e); + if (passin != nofree_passin) + OPENSSL_free(passin); + if (passout != nofree_passout) + OPENSSL_free(passout); + return (ret); +} + +static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, + int attribs, unsigned long chtype) +{ + int ret = 0, i; + char no_prompt = 0; + STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; + char *tmp, *dn_sect, *attr_sect; + + tmp = NCONF_get_string(req_conf, SECTION, PROMPT); + if (tmp == NULL) + ERR_clear_error(); + if ((tmp != NULL) && strcmp(tmp, "no") == 0) + no_prompt = 1; + + dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME); + if (dn_sect == NULL) { + BIO_printf(bio_err, "unable to find '%s' in config\n", + DISTINGUISHED_NAME); + goto err; + } + dn_sk = NCONF_get_section(req_conf, dn_sect); + if (dn_sk == NULL) { + BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect); + goto err; + } + + attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES); + if (attr_sect == NULL) { + ERR_clear_error(); + attr_sk = NULL; + } else { + attr_sk = NCONF_get_section(req_conf, attr_sect); + if (attr_sk == NULL) { + BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect); + goto err; + } + } + + /* setup version number */ + if (!X509_REQ_set_version(req, 0L)) + goto err; /* version 1 */ + + if (subj) + i = build_subject(req, subj, chtype, multirdn); + else if (no_prompt) + i = auto_info(req, dn_sk, attr_sk, attribs, chtype); + else + i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, + chtype); + if (!i) + goto err; + + if (!X509_REQ_set_pubkey(req, pkey)) + goto err; + + ret = 1; + err: + return (ret); +} + +/* + * subject is expected to be in the format /type0=value0/type1=value1/type2=... + * where characters may be escaped by \ + */ +static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype, + int multirdn) +{ + X509_NAME *n; + + if ((n = parse_name(subject, chtype, multirdn)) == NULL) + return 0; + + if (!X509_REQ_set_subject_name(req, n)) { + X509_NAME_free(n); + return 0; + } + X509_NAME_free(n); + return 1; +} + +static int prompt_info(X509_REQ *req, + STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect, + STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect, + int attribs, unsigned long chtype) +{ + int i; + char *p, *q; + char buf[100]; + int nid, mval; + long n_min, n_max; + char *type, *value; + const char *def; + CONF_VALUE *v; + X509_NAME *subj; + subj = X509_REQ_get_subject_name(req); + + if (!batch) { + BIO_printf(bio_err, + "You are about to be asked to enter information that will be incorporated\n"); + BIO_printf(bio_err, "into your certificate request.\n"); + BIO_printf(bio_err, + "What you are about to enter is what is called a Distinguished Name or a DN.\n"); + BIO_printf(bio_err, + "There are quite a few fields but you can leave some blank\n"); + BIO_printf(bio_err, + "For some fields there will be a default value,\n"); + BIO_printf(bio_err, + "If you enter '.', the field will be left blank.\n"); + BIO_printf(bio_err, "-----\n"); + } + + if (sk_CONF_VALUE_num(dn_sk)) { + i = -1; + start:for (;;) { + i++; + if (sk_CONF_VALUE_num(dn_sk) <= i) + break; + + v = sk_CONF_VALUE_value(dn_sk, i); + p = q = NULL; + type = v->name; + if (!check_end(type, "_min") || !check_end(type, "_max") || + !check_end(type, "_default") || !check_end(type, "_value")) + continue; + /* + * Skip past any leading X. X: X, etc to allow for multiple + * instances + */ + for (p = v->name; *p; p++) + if ((*p == ':') || (*p == ',') || (*p == '.')) { + p++; + if (*p) + type = p; + break; + } + if (*type == '+') { + mval = -1; + type++; + } else + mval = 0; + /* If OBJ not recognised ignore it */ + if ((nid = OBJ_txt2nid(type)) == NID_undef) + goto start; + if (BIO_snprintf(buf, sizeof(buf), "%s_default", v->name) + >= (int)sizeof(buf)) { + BIO_printf(bio_err, "Name '%s' too long\n", v->name); + return 0; + } + + if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { + ERR_clear_error(); + def = ""; + } + + BIO_snprintf(buf, sizeof(buf), "%s_value", v->name); + if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { + ERR_clear_error(); + value = NULL; + } + + BIO_snprintf(buf, sizeof(buf), "%s_min", v->name); + if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) { + ERR_clear_error(); + n_min = -1; + } + + BIO_snprintf(buf, sizeof(buf), "%s_max", v->name); + if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) { + ERR_clear_error(); + n_max = -1; + } + + if (!add_DN_object(subj, v->value, def, value, nid, + n_min, n_max, chtype, mval)) + return 0; + } + if (X509_NAME_entry_count(subj) == 0) { + BIO_printf(bio_err, + "error, no objects specified in config file\n"); + return 0; + } + + if (attribs) { + if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) + && (!batch)) { + BIO_printf(bio_err, + "\nPlease enter the following 'extra' attributes\n"); + BIO_printf(bio_err, + "to be sent with your certificate request\n"); + } + + i = -1; + start2: for (;;) { + i++; + if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i)) + break; + + v = sk_CONF_VALUE_value(attr_sk, i); + type = v->name; + if ((nid = OBJ_txt2nid(type)) == NID_undef) + goto start2; + + if (BIO_snprintf(buf, sizeof(buf), "%s_default", type) + >= (int)sizeof(buf)) { + BIO_printf(bio_err, "Name '%s' too long\n", v->name); + return 0; + } + + if ((def = NCONF_get_string(req_conf, attr_sect, buf)) + == NULL) { + ERR_clear_error(); + def = ""; + } + + BIO_snprintf(buf, sizeof(buf), "%s_value", type); + if ((value = NCONF_get_string(req_conf, attr_sect, buf)) + == NULL) { + ERR_clear_error(); + value = NULL; + } + + BIO_snprintf(buf, sizeof(buf), "%s_min", type); + if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) { + ERR_clear_error(); + n_min = -1; + } + + BIO_snprintf(buf, sizeof(buf), "%s_max", type); + if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) { + ERR_clear_error(); + n_max = -1; + } + + if (!add_attribute_object(req, + v->value, def, value, nid, n_min, + n_max, chtype)) + return 0; + } + } + } else { + BIO_printf(bio_err, "No template, please set one up.\n"); + return 0; + } + + return 1; + +} + +static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, + STACK_OF(CONF_VALUE) *attr_sk, int attribs, + unsigned long chtype) +{ + int i, spec_char, plus_char; + char *p, *q; + char *type; + CONF_VALUE *v; + X509_NAME *subj; + + subj = X509_REQ_get_subject_name(req); + + for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) { + int mval; + v = sk_CONF_VALUE_value(dn_sk, i); + p = q = NULL; + type = v->name; + /* + * Skip past any leading X. X: X, etc to allow for multiple instances + */ + for (p = v->name; *p; p++) { +#ifndef CHARSET_EBCDIC + spec_char = ((*p == ':') || (*p == ',') || (*p == '.')); +#else + spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[',']) + || (*p == os_toascii['.'])); +#endif + if (spec_char) { + p++; + if (*p) + type = p; + break; + } + } +#ifndef CHARSET_EBCDIC + plus_char = (*type == '+'); +#else + plus_char = (*type == os_toascii['+']); +#endif + if (plus_char) { + type++; + mval = -1; + } else + mval = 0; + if (!X509_NAME_add_entry_by_txt(subj, type, chtype, + (unsigned char *)v->value, -1, -1, + mval)) + return 0; + + } + + if (!X509_NAME_entry_count(subj)) { + BIO_printf(bio_err, "error, no objects specified in config file\n"); + return 0; + } + if (attribs) { + for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) { + v = sk_CONF_VALUE_value(attr_sk, i); + if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype, + (unsigned char *)v->value, -1)) + return 0; + } + } + return 1; +} + +static int add_DN_object(X509_NAME *n, char *text, const char *def, + char *value, int nid, int n_min, int n_max, + unsigned long chtype, int mval) +{ + int i, ret = 0; + char buf[1024]; + start: + if (!batch) + BIO_printf(bio_err, "%s [%s]:", text, def); + (void)BIO_flush(bio_err); + if (value != NULL) { + OPENSSL_strlcpy(buf, value, sizeof(buf)); + OPENSSL_strlcat(buf, "\n", sizeof(buf)); + BIO_printf(bio_err, "%s\n", value); + } else { + buf[0] = '\0'; + if (!batch) { + if (!fgets(buf, sizeof(buf), stdin)) + return 0; + } else { + buf[0] = '\n'; + buf[1] = '\0'; + } + } + + if (buf[0] == '\0') + return (0); + else if (buf[0] == '\n') { + if ((def == NULL) || (def[0] == '\0')) + return (1); + OPENSSL_strlcpy(buf, def, sizeof(buf)); + OPENSSL_strlcat(buf, "\n", sizeof(buf)); + } else if ((buf[0] == '.') && (buf[1] == '\n')) + return (1); + + i = strlen(buf); + if (buf[i - 1] != '\n') { + BIO_printf(bio_err, "weird input :-(\n"); + return (0); + } + buf[--i] = '\0'; +#ifdef CHARSET_EBCDIC + ebcdic2ascii(buf, buf, i); +#endif + if (!req_check_len(i, n_min, n_max)) { + if (batch || value) + return 0; + goto start; + } + + if (!X509_NAME_add_entry_by_NID(n, nid, chtype, + (unsigned char *)buf, -1, -1, mval)) + goto err; + ret = 1; + err: + return (ret); +} + +static int add_attribute_object(X509_REQ *req, char *text, const char *def, + char *value, int nid, int n_min, + int n_max, unsigned long chtype) +{ + int i; + static char buf[1024]; + + start: + if (!batch) + BIO_printf(bio_err, "%s [%s]:", text, def); + (void)BIO_flush(bio_err); + if (value != NULL) { + OPENSSL_strlcpy(buf, value, sizeof(buf)); + OPENSSL_strlcat(buf, "\n", sizeof(buf)); + BIO_printf(bio_err, "%s\n", value); + } else { + buf[0] = '\0'; + if (!batch) { + if (!fgets(buf, sizeof(buf), stdin)) + return 0; + } else { + buf[0] = '\n'; + buf[1] = '\0'; + } + } + + if (buf[0] == '\0') + return (0); + else if (buf[0] == '\n') { + if ((def == NULL) || (def[0] == '\0')) + return (1); + OPENSSL_strlcpy(buf, def, sizeof(buf)); + OPENSSL_strlcat(buf, "\n", sizeof(buf)); + } else if ((buf[0] == '.') && (buf[1] == '\n')) + return (1); + + i = strlen(buf); + if (buf[i - 1] != '\n') { + BIO_printf(bio_err, "weird input :-(\n"); + return (0); + } + buf[--i] = '\0'; +#ifdef CHARSET_EBCDIC + ebcdic2ascii(buf, buf, i); +#endif + if (!req_check_len(i, n_min, n_max)) { + if (batch || value) + return 0; + goto start; + } + + if (!X509_REQ_add1_attr_by_NID(req, nid, chtype, + (unsigned char *)buf, -1)) { + BIO_printf(bio_err, "Error adding attribute\n"); + ERR_print_errors(bio_err); + goto err; + } + + return (1); + err: + return (0); +} + +static int req_check_len(int len, int n_min, int n_max) +{ + if ((n_min > 0) && (len < n_min)) { + BIO_printf(bio_err, + "string is too short, it needs to be at least %d bytes long\n", + n_min); + return (0); + } + if ((n_max >= 0) && (len > n_max)) { + BIO_printf(bio_err, + "string is too long, it needs to be no more than %d bytes long\n", + n_max); + return (0); + } + return (1); +} + +/* Check if the end of a string matches 'end' */ +static int check_end(const char *str, const char *end) +{ + int elen, slen; + const char *tmp; + elen = strlen(end); + slen = strlen(str); + if (elen > slen) + return 1; + tmp = str + slen - elen; + return strcmp(tmp, end); +} + +static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr, + int *pkey_type, long *pkeylen, + char **palgnam, ENGINE *keygen_engine) +{ + EVP_PKEY_CTX *gctx = NULL; + EVP_PKEY *param = NULL; + long keylen = -1; + BIO *pbio = NULL; + const char *paramfile = NULL; + + if (gstr == NULL) { + *pkey_type = EVP_PKEY_RSA; + keylen = *pkeylen; + } else if (gstr[0] >= '0' && gstr[0] <= '9') { + *pkey_type = EVP_PKEY_RSA; + keylen = atol(gstr); + *pkeylen = keylen; + } else if (strncmp(gstr, "param:", 6) == 0) + paramfile = gstr + 6; + else { + const char *p = strchr(gstr, ':'); + int len; + ENGINE *tmpeng; + const EVP_PKEY_ASN1_METHOD *ameth; + + if (p) + len = p - gstr; + else + len = strlen(gstr); + /* + * The lookup of a the string will cover all engines so keep a note + * of the implementation. + */ + + ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); + + if (!ameth) { + BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr); + return NULL; + } + + EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth); +#ifndef OPENSSL_NO_ENGINE + ENGINE_finish(tmpeng); +#endif + if (*pkey_type == EVP_PKEY_RSA) { + if (p) { + keylen = atol(p + 1); + *pkeylen = keylen; + } else + keylen = *pkeylen; + } else if (p) + paramfile = p + 1; + } + + if (paramfile) { + pbio = BIO_new_file(paramfile, "r"); + if (!pbio) { + BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile); + return NULL; + } + param = PEM_read_bio_Parameters(pbio, NULL); + + if (!param) { + X509 *x; + (void)BIO_reset(pbio); + x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); + if (x) { + param = X509_get_pubkey(x); + X509_free(x); + } + } + + BIO_free(pbio); + + if (!param) { + BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile); + return NULL; + } + if (*pkey_type == -1) + *pkey_type = EVP_PKEY_id(param); + else if (*pkey_type != EVP_PKEY_base_id(param)) { + BIO_printf(bio_err, "Key Type does not match parameters\n"); + EVP_PKEY_free(param); + return NULL; + } + } + + if (palgnam) { + const EVP_PKEY_ASN1_METHOD *ameth; + ENGINE *tmpeng; + const char *anam; + ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); + if (!ameth) { + BIO_puts(bio_err, "Internal error: can't find key algorithm\n"); + return NULL; + } + EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); + *palgnam = OPENSSL_strdup(anam); +#ifndef OPENSSL_NO_ENGINE + ENGINE_finish(tmpeng); +#endif + } + + if (param) { + gctx = EVP_PKEY_CTX_new(param, keygen_engine); + *pkeylen = EVP_PKEY_bits(param); + EVP_PKEY_free(param); + } else + gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); + + if (gctx == NULL) { + BIO_puts(bio_err, "Error allocating keygen context\n"); + ERR_print_errors(bio_err); + return NULL; + } + + if (EVP_PKEY_keygen_init(gctx) <= 0) { + BIO_puts(bio_err, "Error initializing keygen context\n"); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(gctx); + return NULL; + } +#ifndef OPENSSL_NO_RSA + if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) { + if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) { + BIO_puts(bio_err, "Error setting RSA keysize\n"); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(gctx); + return NULL; + } + } +#endif + + return gctx; +} + +static int genpkey_cb(EVP_PKEY_CTX *ctx) +{ + char c = '*'; + BIO *b = EVP_PKEY_CTX_get_app_data(ctx); + int p; + p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); + if (p == 0) + c = '.'; + if (p == 1) + c = '+'; + if (p == 2) + c = '*'; + if (p == 3) + c = '\n'; + BIO_write(b, &c, 1); + (void)BIO_flush(b); + return 1; +} + +static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, + const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts) +{ + EVP_PKEY_CTX *pkctx = NULL; + int i; + + if (ctx == NULL) + return 0; + if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) + return 0; + for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { + char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); + if (pkey_ctrl_string(pkctx, sigopt) <= 0) { + BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); + ERR_print_errors(bio_err); + return 0; + } + } + return 1; +} + +int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md, + STACK_OF(OPENSSL_STRING) *sigopts) +{ + int rv; + EVP_MD_CTX *mctx = EVP_MD_CTX_new(); + + rv = do_sign_init(mctx, pkey, md, sigopts); + if (rv > 0) + rv = X509_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); + return rv > 0 ? 1 : 0; +} + +int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md, + STACK_OF(OPENSSL_STRING) *sigopts) +{ + int rv; + EVP_MD_CTX *mctx = EVP_MD_CTX_new(); + rv = do_sign_init(mctx, pkey, md, sigopts); + if (rv > 0) + rv = X509_REQ_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); + return rv > 0 ? 1 : 0; +} + +int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md, + STACK_OF(OPENSSL_STRING) *sigopts) +{ + int rv; + EVP_MD_CTX *mctx = EVP_MD_CTX_new(); + rv = do_sign_init(mctx, pkey, md, sigopts); + if (rv > 0) + rv = X509_CRL_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); + return rv > 0 ? 1 : 0; +} |