X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Freq.c;h=e3869bab19d50f68ae2989dc4abc6dc06e00f679;hp=3cedf2c8a666b484afa751ebe676e3f6a4829462;hb=9862e9aa98ee1e38fbcef8d1dd5db0e750eb5e8d;hpb=c5ba2d990420e1778ca4a90bf882e0f806404af0 diff --git a/apps/req.c b/apps/req.c index 3cedf2c8a6..e3869bab19 100644 --- a/apps/req.c +++ b/apps/req.c @@ -1,4 +1,3 @@ -/* apps/req.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -90,32 +89,8 @@ #define STRING_MASK "string_mask" #define UTF8_IN "utf8" -#define DEFAULT_KEY_LENGTH 512 -#define MIN_KEY_LENGTH 384 - -#undef PROG -#define PROG req_main - -/*- - * -inform arg - input format - default PEM (DER or PEM) - * -outform arg - output format - default PEM - * -in arg - input file - default stdin - * -out arg - output file - default stdout - * -verify - check request signature - * -noout - don't print stuff out. - * -text - print out human readable text. - * -nodes - no des encryption - * -config file - Load configuration file. - * -key file - make a request using key in file (or use it for verification). - * -keyform arg - key file format. - * -rand file(s) - load the file(s) into the PRNG. - * -newkey - make a key and a request. - * -modulus - print RSA modulus. - * -pubkey - output Public Key. - * -x509 - output a self signed X509 structure instead. - * -asn1-kludge - output new certificate request in a format that some CA's - * require. This format is wrong - */ +#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); @@ -137,352 +112,284 @@ static int add_DN_object(X509_NAME *n, char *text, const char *def, 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(BIO *err, const char *gstr, +static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr, int *pkey_type, long *pkeylen, char **palgnam, ENGINE *keygen_engine); -#ifndef MONOLITH -static char *default_config_file = NULL; -#endif static CONF *req_conf = NULL; static int batch = 0; -int MAIN(int, char **); +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, 'p', "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 MAIN(int argc, char **argv) +int req_main(int argc, char **argv) { + ASN1_INTEGER *serial = NULL; + BIO *in = NULL, *out = NULL; ENGINE *e = NULL, *gen_eng = NULL; - unsigned long nmflag = 0, reqflag = 0; - int ex = 1, x509 = 0, days = 30; - X509 *x509ss = NULL; - X509_REQ *req = NULL; + EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *genctx = NULL; - const char *keyalg = NULL; - char *keyalgstr = NULL; STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL; - EVP_PKEY *pkey = NULL; - int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1; - long newkey = -1; - BIO *in = NULL, *out = NULL; - int informat, outformat, verify = 0, noout = 0, text = 0, keyform = - FORMAT_PEM; - int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0; - char *infile, *outfile, *prog, *keyfile = NULL, *template = - NULL, *keyout = NULL; -#ifndef OPENSSL_NO_ENGINE - char *engine = NULL; -#endif - char *extensions = NULL; - char *req_exts = NULL; + X509 *x509ss = NULL; + X509_REQ *req = NULL; const EVP_CIPHER *cipher = NULL; - ASN1_INTEGER *serial = NULL; - int modulus = 0; - char *inrand = NULL; - char *passargin = NULL, *passargout = NULL; - char *passin = NULL, *passout = NULL; - char *p; - char *subj = NULL; - int multirdn = 0; const EVP_MD *md_alg = NULL, *digest = NULL; - unsigned long chtype = MBSTRING_ASC; -#ifndef MONOLITH - char *to_free; - long errline; -#endif + 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; - req_conf = NULL; #ifndef OPENSSL_NO_DES cipher = EVP_des_ede3_cbc(); #endif - apps_startup(); - - if (bio_err == NULL) - if ((bio_err = BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); - - infile = NULL; - outfile = NULL; - informat = FORMAT_PEM; - outformat = FORMAT_PEM; - - prog = argv[0]; - argc--; - argv++; - while (argc >= 1) { - if (strcmp(*argv, "-inform") == 0) { - if (--argc < 1) - goto bad; - informat = str2fmt(*(++argv)); - } else if (strcmp(*argv, "-outform") == 0) { - if (--argc < 1) - goto bad; - outformat = str2fmt(*(++argv)); - } + + 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 - else if (strcmp(*argv, "-engine") == 0) { - if (--argc < 1) - goto bad; - engine = *(++argv); - } else if (strcmp(*argv, "-keygen_engine") == 0) { - if (--argc < 1) - goto bad; - gen_eng = ENGINE_by_id(*(++argv)); + gen_eng = ENGINE_by_id(opt_arg()); if (gen_eng == NULL) { BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv); - goto end; + goto opthelp; } - } #endif - else if (strcmp(*argv, "-key") == 0) { - if (--argc < 1) - goto bad; - keyfile = *(++argv); - } else if (strcmp(*argv, "-pubkey") == 0) { + break; + case OPT_KEY: + keyfile = opt_arg(); + break; + case OPT_PUBKEY: pubkey = 1; - } else if (strcmp(*argv, "-new") == 0) { + break; + case OPT_NEW: newreq = 1; - } else if (strcmp(*argv, "-config") == 0) { - if (--argc < 1) - goto bad; - template = *(++argv); - } else if (strcmp(*argv, "-keyform") == 0) { - if (--argc < 1) - goto bad; - keyform = str2fmt(*(++argv)); - } else if (strcmp(*argv, "-in") == 0) { - if (--argc < 1) - goto bad; - infile = *(++argv); - } else if (strcmp(*argv, "-out") == 0) { - if (--argc < 1) - goto bad; - outfile = *(++argv); - } else if (strcmp(*argv, "-keyout") == 0) { - if (--argc < 1) - goto bad; - keyout = *(++argv); - } else if (strcmp(*argv, "-passin") == 0) { - if (--argc < 1) - goto bad; - passargin = *(++argv); - } else if (strcmp(*argv, "-passout") == 0) { - if (--argc < 1) - goto bad; - passargout = *(++argv); - } else if (strcmp(*argv, "-rand") == 0) { - if (--argc < 1) - goto bad; - inrand = *(++argv); - } else if (strcmp(*argv, "-newkey") == 0) { - if (--argc < 1) - goto bad; - keyalg = *(++argv); + 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; - } else if (strcmp(*argv, "-pkeyopt") == 0) { - if (--argc < 1) - goto bad; + break; + case OPT_PKEYOPT: if (!pkeyopts) pkeyopts = sk_OPENSSL_STRING_new_null(); - if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv))) - goto bad; - } else if (strcmp(*argv, "-sigopt") == 0) { - if (--argc < 1) - goto bad; + 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, *(++argv))) - goto bad; - } else if (strcmp(*argv, "-batch") == 0) + if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) + goto opthelp; + break; + case OPT_BATCH: batch = 1; - else if (strcmp(*argv, "-newhdr") == 0) + break; + case OPT_NEWHDR: newhdr = 1; - else if (strcmp(*argv, "-modulus") == 0) + break; + case OPT_MODULUS: modulus = 1; - else if (strcmp(*argv, "-verify") == 0) + break; + case OPT_VERIFY: verify = 1; - else if (strcmp(*argv, "-nodes") == 0) + break; + case OPT_NODES: nodes = 1; - else if (strcmp(*argv, "-noout") == 0) + break; + case OPT_NOOUT: noout = 1; - else if (strcmp(*argv, "-verbose") == 0) + break; + case OPT_VERBOSE: verbose = 1; - else if (strcmp(*argv, "-utf8") == 0) + break; + case OPT_UTF8: chtype = MBSTRING_UTF8; - else if (strcmp(*argv, "-nameopt") == 0) { - if (--argc < 1) - goto bad; - if (!set_name_ex(&nmflag, *(++argv))) - goto bad; - } else if (strcmp(*argv, "-reqopt") == 0) { - if (--argc < 1) - goto bad; - if (!set_cert_ex(&reqflag, *(++argv))) - goto bad; - } else if (strcmp(*argv, "-subject") == 0) - subject = 1; - else if (strcmp(*argv, "-text") == 0) + 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; - else if (strcmp(*argv, "-x509") == 0) + break; + case OPT_X509: x509 = 1; - else if (strcmp(*argv, "-asn1-kludge") == 0) - kludge = 1; - else if (strcmp(*argv, "-no-asn1-kludge") == 0) - kludge = 0; - else if (strcmp(*argv, "-subj") == 0) { - if (--argc < 1) - goto bad; - subj = *(++argv); - } else if (strcmp(*argv, "-multivalue-rdn") == 0) + break; + case OPT_DAYS: + days = atoi(opt_arg()); + break; + case OPT_SET_SERIAL: + 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; - else if (strcmp(*argv, "-days") == 0) { - if (--argc < 1) - goto bad; - days = atoi(*(++argv)); - if (days == 0) - days = 30; - } else if (strcmp(*argv, "-set_serial") == 0) { - if (--argc < 1) - goto bad; - serial = s2i_ASN1_INTEGER(NULL, *(++argv)); - if (!serial) - goto bad; - } else if (strcmp(*argv, "-extensions") == 0) { - if (--argc < 1) - goto bad; - extensions = *(++argv); - } else if (strcmp(*argv, "-reqexts") == 0) { - if (--argc < 1) - goto bad; - req_exts = *(++argv); - } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) { - /* ok */ + 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; - } else { - BIO_printf(bio_err, "unknown option %s\n", *argv); - badops = 1; break; } - argc--; - argv++; } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; - if (badops) { - bad: - BIO_printf(bio_err, "%s [options] outfile\n", prog); - BIO_printf(bio_err, "where options are\n"); - BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); - BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); - BIO_printf(bio_err, " -in arg input file\n"); - BIO_printf(bio_err, " -out arg output file\n"); - BIO_printf(bio_err, " -text text form of request\n"); - BIO_printf(bio_err, " -pubkey output public key\n"); - BIO_printf(bio_err, " -noout do not output REQ\n"); - BIO_printf(bio_err, " -verify verify signature on REQ\n"); - BIO_printf(bio_err, " -modulus RSA modulus\n"); - BIO_printf(bio_err, " -nodes don't encrypt the output 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, " -subject output the request's subject\n"); - BIO_printf(bio_err, " -passin private key password source\n"); - BIO_printf(bio_err, - " -key file use the private key contained in file\n"); - BIO_printf(bio_err, " -keyform arg key file format\n"); - BIO_printf(bio_err, " -keyout arg file to send the key to\n"); - BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, - LIST_SEPARATOR_CHAR); - BIO_printf(bio_err, - " load the file (or the files in the directory) into\n"); - BIO_printf(bio_err, " the random number generator\n"); - BIO_printf(bio_err, - " -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); - BIO_printf(bio_err, - " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); -#ifndef OPENSSL_NO_EC - BIO_printf(bio_err, - " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n"); -#endif - BIO_printf(bio_err, - " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); - BIO_printf(bio_err, " -config file request template file.\n"); - BIO_printf(bio_err, - " -subj arg set or modify request subject\n"); - BIO_printf(bio_err, - " -multivalue-rdn enable support for multivalued RDNs\n"); - BIO_printf(bio_err, " -new new request.\n"); - BIO_printf(bio_err, - " -batch do not ask anything during request generation\n"); - BIO_printf(bio_err, - " -x509 output a x509 structure instead of a cert. req.\n"); - BIO_printf(bio_err, - " -days number of days a certificate generated by -x509 is valid for.\n"); - BIO_printf(bio_err, - " -set_serial serial number to use for a certificate generated by -x509.\n"); - BIO_printf(bio_err, - " -newhdr output \"NEW\" in the header lines\n"); - BIO_printf(bio_err, - " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); - BIO_printf(bio_err, - " have been reported as requiring\n"); - BIO_printf(bio_err, - " -extensions .. specify certificate extension section (override value in config file)\n"); - BIO_printf(bio_err, - " -reqexts .. specify request extension section (override value in config file)\n"); - BIO_printf(bio_err, - " -utf8 input characters are UTF8 (default ASCII)\n"); - BIO_printf(bio_err, - " -nameopt arg - various certificate name options\n"); - BIO_printf(bio_err, - " -reqopt arg - various request text options\n\n"); - goto end; - } + if (!nmflag_set) + nmflag = XN_FLAG_ONELINE; - ERR_load_crypto_strings(); - if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { + /* 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; } -#ifndef MONOLITH /* else this has happened in openssl.c - * (global `config') */ - /* Lets load up our environment a little */ - p = getenv("OPENSSL_CONF"); - if (p == NULL) - p = getenv("SSLEAY_CONF"); - if (p == NULL) - p = to_free = make_config_name(); - default_config_file = p; - config = NCONF_new(NULL); - i = NCONF_load(config, p, &errline); -#endif - if (template != NULL) { - long errline = -1; - - if (verbose) - BIO_printf(bio_err, "Using configuration from %s\n", template); - req_conf = NCONF_new(NULL); - i = NCONF_load(req_conf, template, &errline); - if (i == 0) { - BIO_printf(bio_err, "error on line %ld of %s\n", errline, - template); - goto end; - } - } else { - req_conf = config; - - if (req_conf == NULL) { - BIO_printf(bio_err, "Unable to load config info from %s\n", - default_config_file); - if (newreq) - goto end; - } else if (verbose) - BIO_printf(bio_err, "Using configuration from %s\n", - default_config_file); - } + if (verbose) + BIO_printf(bio_err, "Using configuration from %s\n", template); + req_conf = app_load_config(template); + if (!app_load_modules(req_conf)) + goto end; if (req_conf != NULL) { - if (!load_config(bio_err, req_conf)) - goto end; p = NCONF_get_string(req_conf, NULL, "oid_file"); if (p == NULL) ERR_clear_error(); @@ -501,16 +408,17 @@ int MAIN(int argc, char **argv) } } } - if (!add_oid_section(bio_err, req_conf)) + 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(); - if (p != NULL) { - if ((md_alg = EVP_get_digestbyname(p)) != NULL) - digest = md_alg; + else { + if (!opt_md(p, &md_alg)) + goto opthelp; + digest = md_alg; } } @@ -531,15 +439,17 @@ int MAIN(int argc, char **argv) } } - if (!passin) { - passin = NCONF_get_string(req_conf, SECTION, "input_password"); - if (!passin) + if (passin == NULL) { + passin = nofree_passin = + NCONF_get_string(req_conf, SECTION, "input_password"); + if (passin == NULL) ERR_clear_error(); } - if (!passout) { - passout = NCONF_get_string(req_conf, SECTION, "output_password"); - if (!passout) + if (passout == NULL) { + passout = nofree_passout = + NCONF_get_string(req_conf, SECTION, "output_password"); + if (passout == NULL) ERR_clear_error(); } @@ -556,7 +466,7 @@ int MAIN(int argc, char **argv) p = NCONF_get_string(req_conf, SECTION, UTF8_IN); if (!p) ERR_clear_error(); - else if (!strcmp(p, "yes")) + else if (strcmp(p, "yes") == 0) chtype = MBSTRING_UTF8; } @@ -578,28 +488,16 @@ int MAIN(int argc, char **argv) } } - in = BIO_new(BIO_s_file()); - out = BIO_new(BIO_s_file()); - if ((in == NULL) || (out == NULL)) - goto end; - -#ifndef OPENSSL_NO_ENGINE - e = setup_engine(bio_err, engine, 0); -#endif - if (keyfile != NULL) { - pkey = load_key(bio_err, keyfile, keyform, 0, passin, e, - "Private Key"); + pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key"); if (!pkey) { - /* - * load_key() has already printed an appropriate message - */ + /* 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, bio_err, 0); + app_RAND_load_file(randfile, 0); } } @@ -607,7 +505,7 @@ int MAIN(int argc, char **argv) char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE"); if (randfile == NULL) ERR_clear_error(); - app_RAND_load_file(randfile, bio_err, 0); + app_RAND_load_file(randfile, 0); if (inrand) app_RAND_load_files(inrand); @@ -616,7 +514,7 @@ int MAIN(int argc, char **argv) } if (keyalg) { - genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, + genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey, &keyalgstr, gen_eng); if (!genctx) goto end; @@ -631,7 +529,7 @@ int MAIN(int argc, char **argv) } if (!genctx) { - genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, + genctx = set_keygen_ctx(NULL, &pkey_type, &newkey, &keyalgstr, gen_eng); if (!genctx) goto end; @@ -663,7 +561,7 @@ int MAIN(int argc, char **argv) EVP_PKEY_CTX_free(genctx); genctx = NULL; - app_RAND_write_file(randfile, bio_err); + app_RAND_write_file(randfile); if (keyout == NULL) { keyout = NCONF_get_string(req_conf, SECTION, KEYFILE); @@ -671,22 +569,13 @@ int MAIN(int argc, char **argv) ERR_clear_error(); } - if (keyout == NULL) { + if (keyout == NULL) BIO_printf(bio_err, "writing new private key to stdout\n"); - BIO_set_fp(out, stdout, BIO_NOCLOSE); -#ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -#endif - } else { + else BIO_printf(bio_err, "writing new private key to '%s'\n", keyout); - if (BIO_write_filename(out, keyout) <= 0) { - perror(keyout); - goto end; - } - } + 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) { @@ -702,6 +591,7 @@ int MAIN(int argc, char **argv) i = 0; loop: + assert(private); if (!PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, passout)) { if ((ERR_GET_REASON(ERR_peek_error()) == @@ -712,33 +602,20 @@ int MAIN(int argc, char **argv) } goto end; } + BIO_free(out); + out = NULL; BIO_printf(bio_err, "-----\n"); } if (!newreq) { - /* - * Since we are using a pre-existing certificate request, the kludge - * 'format' info should not be changed. - */ - kludge = -1; - if (infile == NULL) - BIO_set_fp(in, stdin, BIO_NOCLOSE); - else { - if (BIO_read_filename(in, infile) <= 0) { - perror(infile); - goto end; - } - } + in = bio_open_default(infile, 'r', informat); + if (in == NULL) + goto end; if (informat == FORMAT_ASN1) req = d2i_X509_REQ_bio(in, NULL); - else if (informat == FORMAT_PEM) + else req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); - else { - BIO_printf(bio_err, - "bad input format specified for X509 request\n"); - goto end; - } if (req == NULL) { BIO_printf(bio_err, "unable to load X509 request\n"); goto end; @@ -759,11 +636,6 @@ int MAIN(int argc, char **argv) i = make_REQ(req, pkey, subj, multirdn, !x509, chtype); subj = NULL; /* done processing '-subj' option */ - if ((kludge > 0) - && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) { - sk_X509_ATTRIBUTE_free(req->req_info->attributes); - req->req_info->attributes = NULL; - } if (!i) { BIO_printf(bio_err, "problems making Certificate Request\n"); goto end; @@ -795,10 +667,9 @@ int MAIN(int argc, char **argv) if (!X509_set_subject_name (x509ss, X509_REQ_get_subject_name(req))) goto end; - tmppkey = X509_REQ_get_pubkey(req); + tmppkey = X509_REQ_get0_pubkey(req); if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey)) goto end; - EVP_PKEY_free(tmppkey); /* Set up V3 context struct */ @@ -814,7 +685,7 @@ int MAIN(int argc, char **argv) goto end; } - i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts); + i = do_X509_sign(x509ss, pkey, digest, sigopts); if (!i) { ERR_print_errors(bio_err); goto end; @@ -835,7 +706,7 @@ int MAIN(int argc, char **argv) req_exts); goto end; } - i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts); + i = do_X509_REQ_sign(req, pkey, digest, sigopts); if (!i) { ERR_print_errors(bio_err); goto end; @@ -857,12 +728,10 @@ int MAIN(int argc, char **argv) if (build_subject(req, subj, chtype, multirdn) == 0) { BIO_printf(bio_err, "ERROR: cannot modify subject\n"); - ex = 1; + ret = 1; goto end; } - req->req_info->enc.modified = 1; - if (verbose) { print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); @@ -870,20 +739,15 @@ int MAIN(int argc, char **argv) } if (verify && !x509) { - int tmp = 0; + EVP_PKEY *tpubkey = pkey; - if (pkey == NULL) { - pkey = X509_REQ_get_pubkey(req); - if (pkey == NULL) + if (tpubkey == NULL) { + tpubkey = X509_REQ_get0_pubkey(req); + if (tpubkey == NULL) goto end; - tmp = 1; } - i = X509_REQ_verify(req, pkey); - if (tmp) { - EVP_PKEY_free(pkey); - pkey = NULL; - } + i = X509_REQ_verify(req, tpubkey); if (i < 0) { goto end; @@ -895,28 +759,16 @@ int MAIN(int argc, char **argv) } if (noout && !text && !modulus && !subject && !pubkey) { - ex = 0; + ret = 0; goto end; } - if (outfile == NULL) { - BIO_set_fp(out, stdout, BIO_NOCLOSE); -#ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -#endif - } else { - if ((keyout != NULL) && (strcmp(outfile, keyout) == 0)) - i = (int)BIO_append_filename(out, outfile); - else - i = (int)BIO_write_filename(out, outfile); - if (!i) { - perror(outfile); - 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; @@ -959,9 +811,11 @@ int MAIN(int argc, char **argv) } fprintf(stdout, "Modulus="); #ifndef OPENSSL_NO_RSA - if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) - BN_print(out, tpubkey->pkey.rsa->n); - else + if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) { + BIGNUM *n; + RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL); + BN_print(out, n); + } else #endif fprintf(stdout, "Wrong Algorithm type"); EVP_PKEY_free(tpubkey); @@ -971,15 +825,10 @@ int MAIN(int argc, char **argv) if (!noout && !x509) { if (outformat == FORMAT_ASN1) i = i2d_X509_REQ_bio(out, req); - else if (outformat == FORMAT_PEM) { - if (newhdr) - i = PEM_write_bio_X509_REQ_NEW(out, req); - else - i = PEM_write_bio_X509_REQ(out, req); - } else { - BIO_printf(bio_err, "bad output format specified for outfile\n"); - goto end; - } + 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; @@ -988,52 +837,38 @@ int MAIN(int argc, char **argv) if (!noout && x509 && (x509ss != NULL)) { if (outformat == FORMAT_ASN1) i = i2d_X509_bio(out, x509ss); - else if (outformat == FORMAT_PEM) + else i = PEM_write_bio_X509(out, x509ss); - else { - BIO_printf(bio_err, "bad output format specified for outfile\n"); - goto end; - } if (!i) { BIO_printf(bio_err, "unable to write X509 certificate\n"); goto end; } } - ex = 0; + ret = 0; end: -#ifndef MONOLITH - if (to_free) - OPENSSL_free(to_free); -#endif - if (ex) { + if (ret) { ERR_print_errors(bio_err); } - if ((req_conf != NULL) && (req_conf != config)) - NCONF_free(req_conf); + NCONF_free(req_conf); BIO_free(in); BIO_free_all(out); EVP_PKEY_free(pkey); EVP_PKEY_CTX_free(genctx); - if (pkeyopts) - sk_OPENSSL_STRING_free(pkeyopts); - if (sigopts) - sk_OPENSSL_STRING_free(sigopts); + sk_OPENSSL_STRING_free(pkeyopts); + sk_OPENSSL_STRING_free(sigopts); #ifndef OPENSSL_NO_ENGINE - if (gen_eng) - ENGINE_free(gen_eng); + ENGINE_free(gen_eng); #endif - if (keyalgstr) - OPENSSL_free(keyalgstr); + OPENSSL_free(keyalgstr); X509_REQ_free(req); X509_free(x509ss); ASN1_INTEGER_free(serial); - if (passargin && passin) + if (passin != nofree_passin) OPENSSL_free(passin); - if (passargout && passout) + if (passout != nofree_passout) OPENSSL_free(passout); OBJ_cleanup(); - apps_shutdown(); - OPENSSL_EXIT(ex); + return (ret); } static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, @@ -1047,7 +882,7 @@ static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, tmp = NCONF_get_string(req_conf, SECTION, PROMPT); if (tmp == NULL) ERR_clear_error(); - if ((tmp != NULL) && !strcmp(tmp, "no")) + if ((tmp != NULL) && strcmp(tmp, "no") == 0) no_prompt = 1; dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME); @@ -1105,7 +940,7 @@ static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, { X509_NAME *n; - if (!(n = parse_name(subject, chtype, multirdn))) + if ((n = parse_name(subject, chtype, multirdn)) == NULL) return 0; if (!X509_REQ_set_subject_name(req, n)) { @@ -1288,7 +1123,7 @@ 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; + int i, spec_char, plus_char; char *p, *q; char *type; CONF_VALUE *v; @@ -1304,24 +1139,26 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, /* * Skip past any leading X. X: X, etc to allow for multiple instances */ - for (p = v->name; *p; p++) + for (p = v->name; *p; p++) { #ifndef CHARSET_EBCDIC - if ((*p == ':') || (*p == ',') || (*p == '.')) { + spec_char = ((*p == ':') || (*p == ',') || (*p == '.')); #else - if ((*p == os_toascii[':']) || (*p == os_toascii[',']) - || (*p == os_toascii['.'])) { + spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[',']) + || (*p == os_toascii['.'])); #endif + if (spec_char) { p++; if (*p) type = p; break; } + } #ifndef CHARSET_EBCDIC - if (*p == '+') + plus_char = (*p == '+'); #else - if (*p == os_toascii['+']) + plus_char = (*p == os_toascii['+']); #endif - { + if (plus_char) { p++; mval = -1; } else @@ -1359,8 +1196,8 @@ static int add_DN_object(X509_NAME *n, char *text, const char *def, BIO_printf(bio_err, "%s [%s]:", text, def); (void)BIO_flush(bio_err); if (value != NULL) { - BUF_strlcpy(buf, value, sizeof buf); - BUF_strlcat(buf, "\n", sizeof buf); + OPENSSL_strlcpy(buf, value, sizeof buf); + OPENSSL_strlcat(buf, "\n", sizeof buf); BIO_printf(bio_err, "%s\n", value); } else { buf[0] = '\0'; @@ -1378,8 +1215,8 @@ static int add_DN_object(X509_NAME *n, char *text, const char *def, else if (buf[0] == '\n') { if ((def == NULL) || (def[0] == '\0')) return (1); - BUF_strlcpy(buf, def, sizeof buf); - BUF_strlcat(buf, "\n", sizeof buf); + OPENSSL_strlcpy(buf, def, sizeof buf); + OPENSSL_strlcat(buf, "\n", sizeof buf); } else if ((buf[0] == '.') && (buf[1] == '\n')) return (1); @@ -1418,8 +1255,8 @@ static int add_attribute_object(X509_REQ *req, char *text, const char *def, BIO_printf(bio_err, "%s [%s]:", text, def); (void)BIO_flush(bio_err); if (value != NULL) { - BUF_strlcpy(buf, value, sizeof buf); - BUF_strlcat(buf, "\n", sizeof buf); + OPENSSL_strlcpy(buf, value, sizeof buf); + OPENSSL_strlcat(buf, "\n", sizeof buf); BIO_printf(bio_err, "%s\n", value); } else { buf[0] = '\0'; @@ -1437,8 +1274,8 @@ static int add_attribute_object(X509_REQ *req, char *text, const char *def, else if (buf[0] == '\n') { if ((def == NULL) || (def[0] == '\0')) return (1); - BUF_strlcpy(buf, def, sizeof buf); - BUF_strlcat(buf, "\n", sizeof buf); + OPENSSL_strlcpy(buf, def, sizeof buf); + OPENSSL_strlcat(buf, "\n", sizeof buf); } else if ((buf[0] == '.') && (buf[1] == '\n')) return (1); @@ -1499,7 +1336,7 @@ static int check_end(const char *str, const char *end) return strcmp(tmp, end); } -static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, +static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr, int *pkey_type, long *pkeylen, char **palgnam, ENGINE *keygen_engine) { @@ -1516,7 +1353,7 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, *pkey_type = EVP_PKEY_RSA; keylen = atol(gstr); *pkeylen = keylen; - } else if (!strncmp(gstr, "param:", 6)) + } else if (strncmp(gstr, "param:", 6) == 0) paramfile = gstr + 6; else { const char *p = strchr(gstr, ':'); @@ -1536,14 +1373,13 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); if (!ameth) { - BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); + 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 - if (tmpeng) - ENGINE_finish(tmpeng); + ENGINE_finish(tmpeng); #endif if (*pkey_type == EVP_PKEY_RSA) { if (p) { @@ -1558,7 +1394,7 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, if (paramfile) { pbio = BIO_new_file(paramfile, "r"); if (!pbio) { - BIO_printf(err, "Can't open parameter file %s\n", paramfile); + BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile); return NULL; } param = PEM_read_bio_Parameters(pbio, NULL); @@ -1576,13 +1412,13 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, BIO_free(pbio); if (!param) { - BIO_printf(err, "Error reading parameter file %s\n", paramfile); + 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(err, "Key Type does not match parameters\n"); + BIO_printf(bio_err, "Key Type does not match parameters\n"); EVP_PKEY_free(param); return NULL; } @@ -1594,14 +1430,13 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, const char *anam; ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); if (!ameth) { - BIO_puts(err, "Internal error: can't find key algorithm\n"); + 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 = BUF_strdup(anam); + *palgnam = OPENSSL_strdup(anam); #ifndef OPENSSL_NO_ENGINE - if (tmpeng) - ENGINE_finish(tmpeng); + ENGINE_finish(tmpeng); #endif } @@ -1612,22 +1447,23 @@ static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, } else gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); - if (!gctx) { - BIO_puts(err, "Error allocating keygen context\n"); - ERR_print_errors(err); + 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(err, "Error initializing keygen context\n"); - ERR_print_errors(err); + 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(err, "Error setting RSA keysize\n"); - ERR_print_errors(err); + BIO_puts(bio_err, "Error setting RSA keysize\n"); + ERR_print_errors(bio_err); EVP_PKEY_CTX_free(gctx); return NULL; } @@ -1656,18 +1492,20 @@ static int genpkey_cb(EVP_PKEY_CTX *ctx) return 1; } -static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey, +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; - EVP_MD_CTX_init(ctx); + + 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(err, "parameter error \"%s\"\n", sigopt); + BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); ERR_print_errors(bio_err); return 0; } @@ -1675,41 +1513,39 @@ static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey, return 1; } -int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md, +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_init(&mctx); - rv = do_sign_init(err, &mctx, pkey, md, sigopts); + 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_cleanup(&mctx); + rv = X509_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); return rv > 0 ? 1 : 0; } -int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md, +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_init(&mctx); - rv = do_sign_init(err, &mctx, pkey, md, sigopts); + 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_cleanup(&mctx); + rv = X509_REQ_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); return rv > 0 ? 1 : 0; } -int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md, +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_init(&mctx); - rv = do_sign_init(err, &mctx, pkey, md, sigopts); + 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_cleanup(&mctx); + rv = X509_CRL_sign_ctx(x, mctx); + EVP_MD_CTX_free(mctx); return rv > 0 ? 1 : 0; }