/* apps/x509.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * 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 the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include #include #include #include #ifdef NO_STDIO #define APPS_WIN16 #endif #include "apps.h" #include #include #include #include #include #include #include #include #include #undef PROG #define PROG x509_main #undef POSTFIX #define POSTFIX ".srl" #define DEF_DAYS 30 #define CERT_HDR "certificate" static char *x509_usage[]={ "usage: x509 args\n", " -inform arg - input format - default PEM (one of DER, NET or PEM)\n", " -outform arg - output format - default PEM (one of DER, NET or PEM)\n", " -keyform arg - private key format - default PEM\n", " -CAform arg - CA format - default PEM\n", " -CAkeyform arg - CA key format - default PEM\n", " -in arg - input file - default stdin\n", " -out arg - output file - default stdout\n", " -passin arg - private key password source\n", " -serial - print serial number value\n", " -hash - print hash value\n", " -subject - print subject DN\n", " -issuer - print issuer DN\n", " -email - print email address(es)\n", " -startdate - notBefore field\n", " -enddate - notAfter field\n", " -purpose - print out certificate purposes\n", " -dates - both Before and After dates\n", " -modulus - print the RSA key modulus\n", " -pubkey - output the public key\n", " -fingerprint - print the certificate fingerprint\n", " -alias - output certificate alias\n", " -noout - no certificate output\n", " -trustout - output a \"trusted\" certificate\n", " -clrtrust - clear all trusted purposes\n", " -clrreject - clear all rejected purposes\n", " -addtrust arg - trust certificate for a given purpose\n", " -addreject arg - reject certificate for a given purpose\n", " -setalias arg - set certificate alias\n", " -days arg - How long till expiry of a signed certificate - def 30 days\n", " -checkend arg - check whether the cert expires in the next arg seconds\n", " exit 1 if so, 0 if not\n", " -signkey arg - self sign cert with arg\n", " -x509toreq - output a certification request object\n", " -req - input is a certificate request, sign and output.\n", " -CA arg - set the CA certificate, must be PEM format.\n", " -CAkey arg - set the CA key, must be PEM format\n", " missing, it is assumed to be in the CA file.\n", " -CAcreateserial - create serial number file if it does not exist\n", " -CAserial - serial file\n", " -text - print the certificate in text form\n", " -C - print out C code forms\n", " -md2/-md5/-sha1/-mdc2 - digest to use\n", " -extfile - configuration file with X509V3 extensions to add\n", " -extensions - section from config file with X509V3 extensions to add\n", " -clrext - delete extensions before signing and input certificate\n", NULL }; static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx); static EVP_PKEY *load_key(char *file, int format, char *passin); static X509 *load_cert(char *file, int format); static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest, LHASH *conf, char *section); static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest, X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial, int create,int days, int clrext, LHASH *conf, char *section); static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt); static int reqfile=0; int MAIN(int, char **); int MAIN(int argc, char **argv) { int ret=1; X509_REQ *req=NULL; X509 *x=NULL,*xca=NULL; ASN1_OBJECT *objtmp; EVP_PKEY *Upkey=NULL,*CApkey=NULL; int i,num,badops=0; BIO *out=NULL; BIO *STDout=NULL; STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL; int informat,outformat,keyformat,CAformat,CAkeyformat; char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL; char *CAkeyfile=NULL,*CAserial=NULL; char *alias=NULL; int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0; int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0; int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0; int C=0; int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0; int pprint = 0; char **pp; X509_STORE *ctx=NULL; X509_REQ *rq=NULL; int fingerprint=0; char buf[256]; const EVP_MD *md_alg,*digest=EVP_md5(); LHASH *extconf = NULL; char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL; int need_rand = 0; int checkend=0,checkoffset=0; reqfile=0; apps_startup(); if (bio_err == NULL) bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); STDout=BIO_new_fp(stdout,BIO_NOCLOSE); informat=FORMAT_PEM; outformat=FORMAT_PEM; keyformat=FORMAT_PEM; CAformat=FORMAT_PEM; CAkeyformat=FORMAT_PEM; ctx=X509_STORE_new(); if (ctx == NULL) goto end; X509_STORE_set_verify_cb_func(ctx,callb); argc--; argv++; num=0; 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)); } else if (strcmp(*argv,"-keyform") == 0) { if (--argc < 1) goto bad; keyformat=str2fmt(*(++argv)); } else if (strcmp(*argv,"-req") == 0) { reqfile=1; need_rand = 1; } else if (strcmp(*argv,"-CAform") == 0) { if (--argc < 1) goto bad; CAformat=str2fmt(*(++argv)); } else if (strcmp(*argv,"-CAkeyform") == 0) { if (--argc < 1) goto bad; CAformat=str2fmt(*(++argv)); } else if (strcmp(*argv,"-days") == 0) { if (--argc < 1) goto bad; days=atoi(*(++argv)); if (days == 0) { BIO_printf(STDout,"bad number of days\n"); goto bad; } } else if (strcmp(*argv,"-passin") == 0) { if (--argc < 1) goto bad; passargin= *(++argv); } else if (strcmp(*argv,"-extfile") == 0) { if (--argc < 1) goto bad; extfile= *(++argv); } else if (strcmp(*argv,"-extensions") == 0) { if (--argc < 1) goto bad; extsect= *(++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,"-signkey") == 0) { if (--argc < 1) goto bad; keyfile= *(++argv); sign_flag= ++num; need_rand = 1; } else if (strcmp(*argv,"-CA") == 0) { if (--argc < 1) goto bad; CAfile= *(++argv); CA_flag= ++num; need_rand = 1; } else if (strcmp(*argv,"-CAkey") == 0) { if (--argc < 1) goto bad; CAkeyfile= *(++argv); } else if (strcmp(*argv,"-CAserial") == 0) { if (--argc < 1) goto bad; CAserial= *(++argv); } else if (strcmp(*argv,"-addtrust") == 0) { if (--argc < 1) goto bad; if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) { BIO_printf(bio_err, "Invalid trust object value %s\n", *argv); goto bad; } if(!trust) trust = sk_ASN1_OBJECT_new_null(); sk_ASN1_OBJECT_push(trust, objtmp); trustout = 1; } else if (strcmp(*argv,"-addreject") == 0) { if (--argc < 1) goto bad; if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) { BIO_printf(bio_err, "Invalid reject object value %s\n", *argv); goto bad; } if(!reject) reject = sk_ASN1_OBJECT_new_null(); sk_ASN1_OBJECT_push(reject, objtmp); trustout = 1; } else if (strcmp(*argv,"-setalias") == 0) { if (--argc < 1) goto bad; alias= *(++argv); trustout = 1; } else if (strcmp(*argv,"-setalias") == 0) { if (--argc < 1) goto bad; alias= *(++argv); trustout = 1; } else if (strcmp(*argv,"-C") == 0) C= ++num; else if (strcmp(*argv,"-email") == 0) email= ++num; else if (strcmp(*argv,"-serial") == 0) serial= ++num; else if (strcmp(*argv,"-modulus") == 0) modulus= ++num; else if (strcmp(*argv,"-pubkey") == 0) pubkey= ++num; else if (strcmp(*argv,"-x509toreq") == 0) x509req= ++num; else if (strcmp(*argv,"-text") == 0) text= ++num; else if (strcmp(*argv,"-hash") == 0) hash= ++num; else if (strcmp(*argv,"-subject") == 0) subject= ++num; else if (strcmp(*argv,"-issuer") == 0) issuer= ++num; else if (strcmp(*argv,"-fingerprint") == 0) fingerprint= ++num; else if (strcmp(*argv,"-dates") == 0) { startdate= ++num; enddate= ++num; } else if (strcmp(*argv,"-purpose") == 0) pprint= ++num; else if (strcmp(*argv,"-startdate") == 0) startdate= ++num; else if (strcmp(*argv,"-enddate") == 0) enddate= ++num; else if (strcmp(*argv,"-checkend") == 0) { if (--argc < 1) goto bad; checkoffset=atoi(*(++argv)); checkend=1; } else if (strcmp(*argv,"-noout") == 0) noout= ++num; else if (strcmp(*argv,"-trustout") == 0) trustout= 1; else if (strcmp(*argv,"-clrtrust") == 0) clrtrust= ++num; else if (strcmp(*argv,"-clrreject") == 0) clrreject= ++num; else if (strcmp(*argv,"-alias") == 0) aliasout= ++num; else if (strcmp(*argv,"-CAcreateserial") == 0) CA_createserial= ++num; else if (strcmp(*argv,"-clrext") == 0) clrext = 1; #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */ else if (strcmp(*argv,"-crlext") == 0) { BIO_printf(bio_err,"use -clrext instead of -crlext\n"); clrext = 1; } #endif else if ((md_alg=EVP_get_digestbyname(*argv + 1))) { /* ok */ digest=md_alg; } else { BIO_printf(bio_err,"unknown option %s\n",*argv); badops=1; break; } argc--; argv++; } if (badops) { bad: for (pp=x509_usage; (*pp != NULL); pp++) BIO_printf(bio_err,*pp); goto end; } if (need_rand) app_RAND_load_file(NULL, bio_err, 0); ERR_load_crypto_strings(); if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { BIO_printf(bio_err, "Error getting password\n"); goto end; } if (!X509_STORE_set_default_paths(ctx)) { ERR_print_errors(bio_err); goto end; } if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) { CAkeyfile=CAfile; } else if ((CA_flag) && (CAkeyfile == NULL)) { BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n"); goto end; } if (extfile) { long errorline; X509V3_CTX ctx2; if (!(extconf=CONF_load(NULL,extfile,&errorline))) { if (errorline <= 0) BIO_printf(bio_err, "error loading the config file '%s'\n", extfile); else BIO_printf(bio_err, "error on line %ld of config file '%s'\n" ,errorline,extfile); goto end; } if(!extsect && !(extsect = CONF_get_string(extconf, "default", "extensions"))) extsect = "default"; X509V3_set_ctx_test(&ctx2); X509V3_set_conf_lhash(&ctx2, extconf); if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) { BIO_printf(bio_err, "Error Loading extension section %s\n", extsect); ERR_print_errors(bio_err); goto end; } } if (reqfile) { EVP_PKEY *pkey; X509_CINF *ci; BIO *in; if (!sign_flag && !CA_flag) { BIO_printf(bio_err,"We need a private key to sign with\n"); goto end; } in=BIO_new(BIO_s_file()); if (in == NULL) { ERR_print_errors(bio_err); goto end; } if (infile == NULL) BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT); else { if (BIO_read_filename(in,infile) <= 0) { perror(infile); BIO_free(in); goto end; } } req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); BIO_free(in); if (req == NULL) { ERR_print_errors(bio_err); goto end; } if ( (req->req_info == NULL) || (req->req_info->pubkey == NULL) || (req->req_info->pubkey->public_key == NULL) || (req->req_info->pubkey->public_key->data == NULL)) { BIO_printf(bio_err,"The certificate request appears to corrupted\n"); BIO_printf(bio_err,"It does not contain a public key\n"); goto end; } if ((pkey=X509_REQ_get_pubkey(req)) == NULL) { BIO_printf(bio_err,"error unpacking public key\n"); goto end; } i=X509_REQ_verify(req,pkey); EVP_PKEY_free(pkey); if (i < 0) { BIO_printf(bio_err,"Signature verification error\n"); ERR_print_errors(bio_err); goto end; } if (i == 0) { BIO_printf(bio_err,"Signature did not match the certificate request\n"); goto end; } else BIO_printf(bio_err,"Signature ok\n"); X509_NAME_oneline(req->req_info->subject,buf,256); BIO_printf(bio_err,"subject=%s\n",buf); if ((x=X509_new()) == NULL) goto end; ci=x->cert_info; if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end; if (!X509_set_issuer_name(x,req->req_info->subject)) goto end; if (!X509_set_subject_name(x,req->req_info->subject)) goto end; X509_gmtime_adj(X509_get_notBefore(x),0); X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days); pkey = X509_REQ_get_pubkey(req); X509_set_pubkey(x,pkey); EVP_PKEY_free(pkey); } else x=load_cert(infile,informat); if (x == NULL) goto end; if (CA_flag) { xca=load_cert(CAfile,CAformat); if (xca == NULL) goto end; } if (!noout || text) { OBJ_create("2.99999.3", "SET.ex3","SET x509v3 extension 3"); out=BIO_new(BIO_s_file()); if (out == NULL) { ERR_print_errors(bio_err); goto end; } if (outfile == NULL) BIO_set_fp(out,stdout,BIO_NOCLOSE); else { if (BIO_write_filename(out,outfile) <= 0) { perror(outfile); goto end; } } } if(alias) X509_alias_set1(x, (unsigned char *)alias, -1); if(clrtrust) X509_trust_clear(x); if(clrreject) X509_reject_clear(x); if(trust) { for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) { objtmp = sk_ASN1_OBJECT_value(trust, i); X509_add1_trust_object(x, objtmp); } } if(reject) { for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) { objtmp = sk_ASN1_OBJECT_value(reject, i); X509_add1_reject_object(x, objtmp); } } if (num) { for (i=1; i<=num; i++) { if (issuer == i) { X509_NAME_oneline(X509_get_issuer_name(x), buf,256); BIO_printf(STDout,"issuer= %s\n",buf); } else if (subject == i) { X509_NAME_oneline(X509_get_subject_name(x), buf,256); BIO_printf(STDout,"subject=%s\n",buf); } else if (serial == i) { BIO_printf(STDout,"serial="); i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber); BIO_printf(STDout,"\n"); } else if (email == i) { int j; STACK *emlst; emlst = X509_get1_email(x); for(j = 0; j < sk_num(emlst); j++) BIO_printf(STDout, "%s\n", sk_value(emlst, j)); X509_email_free(emlst); } else if (aliasout == i) { unsigned char *alstr; alstr = X509_alias_get0(x, NULL); if(alstr) BIO_printf(STDout,"%s\n", alstr); else BIO_puts(STDout,"\n"); } else if (hash == i) { BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x)); } else if (pprint == i) { X509_PURPOSE *ptmp; int j; BIO_printf(STDout, "Certificate purposes:\n"); for(j = 0; j < X509_PURPOSE_get_count(); j++) { ptmp = X509_PURPOSE_get0(j); purpose_print(STDout, x, ptmp); } } else if (modulus == i) { EVP_PKEY *pkey; pkey=X509_get_pubkey(x); if (pkey == NULL) { BIO_printf(bio_err,"Modulus=unavailable\n"); ERR_print_errors(bio_err); goto end; } BIO_printf(STDout,"Modulus="); #ifndef NO_RSA if (pkey->type == EVP_PKEY_RSA) BN_print(STDout,pkey->pkey.rsa->n); else #endif #ifndef NO_DSA if (pkey->type == EVP_PKEY_DSA) BN_print(STDout,pkey->pkey.dsa->pub_key); else #endif BIO_printf(STDout,"Wrong Algorithm type"); BIO_printf(STDout,"\n"); EVP_PKEY_free(pkey); } else if (pubkey == i) { EVP_PKEY *pkey; pkey=X509_get_pubkey(x); if (pkey == NULL) { BIO_printf(bio_err,"Error getting public key\n"); ERR_print_errors(bio_err); goto end; } PEM_write_bio_PUBKEY(STDout, pkey); EVP_PKEY_free(pkey); } else if (C == i) { unsigned char *d; char *m; int y,z; X509_NAME_oneline(X509_get_subject_name(x), buf,256); BIO_printf(STDout,"/* subject:%s */\n",buf); m=X509_NAME_oneline( X509_get_issuer_name(x),buf,256); BIO_printf(STDout,"/* issuer :%s */\n",buf); z=i2d_X509(x,NULL); m=OPENSSL_malloc(z); d=(unsigned char *)m; z=i2d_X509_NAME(X509_get_subject_name(x),&d); BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z); d=(unsigned char *)m; for (y=0; ytype == EVP_PKEY_DSA) digest=EVP_dss1(); #endif assert(need_rand); if (!sign(x,Upkey,days,clrext,digest, extconf, extsect)) goto end; } else if (CA_flag == i) { BIO_printf(bio_err,"Getting CA Private Key\n"); if (CAkeyfile != NULL) { CApkey=load_key(CAkeyfile,CAkeyformat, passin); if (CApkey == NULL) goto end; } #ifndef NO_DSA if (CApkey->type == EVP_PKEY_DSA) digest=EVP_dss1(); #endif assert(need_rand); if (!x509_certify(ctx,CAfile,digest,x,xca, CApkey, CAserial,CA_createserial,days, clrext, extconf, extsect)) goto end; } else if (x509req == i) { EVP_PKEY *pk; BIO_printf(bio_err,"Getting request Private Key\n"); if (keyfile == NULL) { BIO_printf(bio_err,"no request key file specified\n"); goto end; } else { pk=load_key(keyfile,FORMAT_PEM, passin); if (pk == NULL) goto end; } BIO_printf(bio_err,"Generating certificate request\n"); if (pk->type == EVP_PKEY_DSA) digest=EVP_dss1(); rq=X509_to_X509_REQ(x,pk,digest); EVP_PKEY_free(pk); if (rq == NULL) { ERR_print_errors(bio_err); goto end; } if (!noout) { X509_REQ_print(out,rq); PEM_write_bio_X509_REQ(out,rq); } noout=1; } } } if(checkend) { time_t t=ASN1_UTCTIME_get(X509_get_notAfter(x)); time_t tnow=time(NULL); if(tnow+checkoffset > t) { BIO_printf(out,"Certificate will expire\n"); ret=1; } else { BIO_printf(out,"Certificate will not expire\n"); ret=0; } goto end; } if (noout) { ret=0; goto end; } if (outformat == FORMAT_ASN1) i=i2d_X509_bio(out,x); else if (outformat == FORMAT_PEM) { if(trustout) i=PEM_write_bio_X509_AUX(out,x); else i=PEM_write_bio_X509(out,x); } else if (outformat == FORMAT_NETSCAPE) { ASN1_HEADER ah; ASN1_OCTET_STRING os; os.data=(unsigned char *)CERT_HDR; os.length=strlen(CERT_HDR); ah.header= &os; ah.data=(char *)x; ah.meth=X509_asn1_meth(); /* no macro for this one yet */ i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah); } else { BIO_printf(bio_err,"bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err,"unable to write certificate\n"); ERR_print_errors(bio_err); goto end; } ret=0; end: if (need_rand) app_RAND_write_file(NULL, bio_err); OBJ_cleanup(); CONF_free(extconf); BIO_free(out); BIO_free(STDout); X509_STORE_free(ctx); X509_REQ_free(req); X509_free(x); X509_free(xca); EVP_PKEY_free(Upkey); EVP_PKEY_free(CApkey); X509_REQ_free(rq); sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free); sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free); if(passin) OPENSSL_free(passin); EXIT(ret); } static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create, int days, int clrext, LHASH *conf, char *section) { int ret=0; BIO *io=NULL; MS_STATIC char buf2[1024]; char *buf=NULL,*p; BIGNUM *serial=NULL; ASN1_INTEGER *bs=NULL,bs2; X509_STORE_CTX xsc; EVP_PKEY *upkey; upkey = X509_get_pubkey(xca); EVP_PKEY_copy_parameters(upkey,pkey); EVP_PKEY_free(upkey); X509_STORE_CTX_init(&xsc,ctx,x,NULL); buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+ ((serialfile == NULL) ?(strlen(CAfile)+strlen(POSTFIX)+1) :(strlen(serialfile)))+1); if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; } if (serialfile == NULL) { strcpy(buf,CAfile); for (p=buf; *p; p++) if (*p == '.') { *p='\0'; break; } strcat(buf,POSTFIX); } else strcpy(buf,serialfile); serial=BN_new(); bs=ASN1_INTEGER_new(); if ((serial == NULL) || (bs == NULL)) { ERR_print_errors(bio_err); goto end; } io=BIO_new(BIO_s_file()); if (io == NULL) { ERR_print_errors(bio_err); goto end; } if (BIO_read_filename(io,buf) <= 0) { if (!create) { perror(buf); goto end; } else { ASN1_INTEGER_set(bs,1); BN_one(serial); } } else { if (!a2i_ASN1_INTEGER(io,bs,buf2,1024)) { BIO_printf(bio_err,"unable to load serial number from %s\n",buf); ERR_print_errors(bio_err); goto end; } else { serial=BN_bin2bn(bs->data,bs->length,serial); if (serial == NULL) { BIO_printf(bio_err,"error converting bin 2 bn"); goto end; } } } if (!BN_add_word(serial,1)) { BIO_printf(bio_err,"add_word failure\n"); goto end; } bs2.data=(unsigned char *)buf2; bs2.length=BN_bn2bin(serial,bs2.data); if (BIO_write_filename(io,buf) <= 0) { BIO_printf(bio_err,"error attempting to write serial number file\n"); perror(buf); goto end; } i2a_ASN1_INTEGER(io,&bs2); BIO_puts(io,"\n"); BIO_free(io); io=NULL; if (!X509_STORE_add_cert(ctx,x)) goto end; /* NOTE: this certificate can/should be self signed, unless it was * a certificate request in which case it is not. */ X509_STORE_CTX_set_cert(&xsc,x); if (!reqfile && !X509_verify_cert(&xsc)) goto end; if (!X509_check_private_key(xca,pkey)) { BIO_printf(bio_err,"CA certificate and CA private key do not match\n"); goto end; } if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end; if (!X509_set_serialNumber(x,bs)) goto end; if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL) goto end; /* hardwired expired */ if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) goto end; if(clrext) { while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0); } if(conf) { X509V3_CTX ctx2; X509_set_version(x,2); /* version 3 certificate */ X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0); X509V3_set_conf_lhash(&ctx2, conf); if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end; } if (!X509_sign(x,pkey,digest)) goto end; ret=1; end: X509_STORE_CTX_cleanup(&xsc); if (!ret) ERR_print_errors(bio_err); if (buf != NULL) OPENSSL_free(buf); if (bs != NULL) ASN1_INTEGER_free(bs); if (io != NULL) BIO_free(io); if (serial != NULL) BN_free(serial); return(ret); } static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx) { char buf[256]; int err; X509 *err_cert; /* it is ok to use a self signed certificate * This case will catch both the initial ok == 0 and the * final ok == 1 calls to this function */ err=X509_STORE_CTX_get_error(ctx); if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) return(1); /* BAD we should have gotten an error. Normally if everything * worked X509_STORE_CTX_get_error(ctx) will still be set to * DEPTH_ZERO_SELF_.... */ if (ok) { BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n"); return(0); } else { err_cert=X509_STORE_CTX_get_current_cert(ctx); X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256); BIO_printf(bio_err,"%s\n",buf); BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n", err,X509_STORE_CTX_get_error_depth(ctx), X509_verify_cert_error_string(err)); return(1); } } static EVP_PKEY *load_key(char *file, int format, char *passin) { BIO *key=NULL; EVP_PKEY *pkey=NULL; if (file == NULL) { BIO_printf(bio_err,"no keyfile specified\n"); goto end; } key=BIO_new(BIO_s_file()); if (key == NULL) { ERR_print_errors(bio_err); goto end; } if (BIO_read_filename(key,file) <= 0) { perror(file); goto end; } if (format == FORMAT_ASN1) { pkey=d2i_PrivateKey_bio(key, NULL); } else if (format == FORMAT_PEM) { pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,passin); } else { BIO_printf(bio_err,"bad input format specified for key\n"); goto end; } end: if (key != NULL) BIO_free(key); if (pkey == NULL) BIO_printf(bio_err,"unable to load Private Key\n"); return(pkey); } static X509 *load_cert(char *file, int format) { ASN1_HEADER *ah=NULL; BUF_MEM *buf=NULL; X509 *x=NULL; BIO *cert; if ((cert=BIO_new(BIO_s_file())) == NULL) { ERR_print_errors(bio_err); goto end; } if (file == NULL) BIO_set_fp(cert,stdin,BIO_NOCLOSE); else { if (BIO_read_filename(cert,file) <= 0) { perror(file); goto end; } } if (format == FORMAT_ASN1) x=d2i_X509_bio(cert,NULL); else if (format == FORMAT_NETSCAPE) { unsigned char *p,*op; int size=0,i; /* We sort of have to do it this way because it is sort of nice * to read the header first and check it, then * try to read the certificate */ buf=BUF_MEM_new(); for (;;) { if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10))) goto end; i=BIO_read(cert,&(buf->data[size]),1024*10); size+=i; if (i == 0) break; if (i < 0) { perror("reading certificate"); goto end; } } p=(unsigned char *)buf->data; op=p; /* First load the header */ if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL) goto end; if ((ah->header == NULL) || (ah->header->data == NULL) || (strncmp(CERT_HDR,(char *)ah->header->data, ah->header->length) != 0)) { BIO_printf(bio_err,"Error reading header on certificate\n"); goto end; } /* header is ok, so now read the object */ p=op; ah->meth=X509_asn1_meth(); if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL) goto end; x=(X509 *)ah->data; ah->data=NULL; } else if (format == FORMAT_PEM) x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL); else { BIO_printf(bio_err,"bad input format specified for input cert\n"); goto end; } end: if (x == NULL) { BIO_printf(bio_err,"unable to load certificate\n"); ERR_print_errors(bio_err); } if (ah != NULL) ASN1_HEADER_free(ah); if (cert != NULL) BIO_free(cert); if (buf != NULL) BUF_MEM_free(buf); return(x); } /* self sign */ static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, LHASH *conf, char *section) { EVP_PKEY *pktmp; pktmp = X509_get_pubkey(x); EVP_PKEY_copy_parameters(pktmp,pkey); EVP_PKEY_save_parameters(pktmp,1); EVP_PKEY_free(pktmp); if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err; if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err; /* Lets just make it 12:00am GMT, Jan 1 1970 */ /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */ /* 28 days to be certified */ if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) goto err; if (!X509_set_pubkey(x,pkey)) goto err; if(clrext) { while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0); } if(conf) { X509V3_CTX ctx; X509_set_version(x,2); /* version 3 certificate */ X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0); X509V3_set_conf_lhash(&ctx, conf); if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err; } if (!X509_sign(x,pkey,digest)) goto err; return(1); err: ERR_print_errors(bio_err); return(0); } static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt) { int id, i, idret; char *pname; id = X509_PURPOSE_get_id(pt); pname = X509_PURPOSE_get0_name(pt); for(i = 0; i < 2; i++) { idret = X509_check_purpose(cert, id, i); BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); if(idret == 1) BIO_printf(bio, "Yes\n"); else if (idret == 0) BIO_printf(bio, "No\n"); else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret); } return 1; }