crl2p7.c revision 109998
155714Skris/* apps/crl2p7.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris/* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> 6055714Skris * and donated 'to the cause' along with lots and lots of other fixes to 6155714Skris * the library. */ 6255714Skris 6355714Skris#include <stdio.h> 6455714Skris#include <string.h> 6555714Skris#include <sys/types.h> 6655714Skris#include <sys/stat.h> 6755714Skris#include "apps.h" 6855714Skris#include <openssl/err.h> 6955714Skris#include <openssl/evp.h> 7055714Skris#include <openssl/x509.h> 7155714Skris#include <openssl/pkcs7.h> 7255714Skris#include <openssl/pem.h> 7355714Skris#include <openssl/objects.h> 7455714Skris 7555714Skrisstatic int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); 7655714Skris#undef PROG 7755714Skris#define PROG crl2pkcs7_main 7855714Skris 7959191Skris/* -inform arg - input format - default PEM (DER or PEM) 8055714Skris * -outform arg - output format - default PEM 8155714Skris * -in arg - input file - default stdin 8255714Skris * -out arg - output file - default stdout 8355714Skris */ 8455714Skris 8559191Skrisint MAIN(int, char **); 8659191Skris 8755714Skrisint MAIN(int argc, char **argv) 8855714Skris { 8955714Skris int i,badops=0; 9055714Skris BIO *in=NULL,*out=NULL; 9155714Skris int informat,outformat; 9255714Skris char *infile,*outfile,*prog,*certfile; 9355714Skris PKCS7 *p7 = NULL; 9455714Skris PKCS7_SIGNED *p7s = NULL; 9555714Skris X509_CRL *crl=NULL; 9655714Skris STACK *certflst=NULL; 9755714Skris STACK_OF(X509_CRL) *crl_stack=NULL; 9855714Skris STACK_OF(X509) *cert_stack=NULL; 9955714Skris int ret=1,nocrl=0; 10055714Skris 10155714Skris apps_startup(); 10255714Skris 10355714Skris if (bio_err == NULL) 10455714Skris if ((bio_err=BIO_new(BIO_s_file())) != NULL) 10555714Skris BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 10655714Skris 10755714Skris infile=NULL; 10855714Skris outfile=NULL; 10955714Skris informat=FORMAT_PEM; 11055714Skris outformat=FORMAT_PEM; 11155714Skris 11255714Skris prog=argv[0]; 11355714Skris argc--; 11455714Skris argv++; 11555714Skris while (argc >= 1) 11655714Skris { 11755714Skris if (strcmp(*argv,"-inform") == 0) 11855714Skris { 11955714Skris if (--argc < 1) goto bad; 12055714Skris informat=str2fmt(*(++argv)); 12155714Skris } 12255714Skris else if (strcmp(*argv,"-outform") == 0) 12355714Skris { 12455714Skris if (--argc < 1) goto bad; 12555714Skris outformat=str2fmt(*(++argv)); 12655714Skris } 12755714Skris else if (strcmp(*argv,"-in") == 0) 12855714Skris { 12955714Skris if (--argc < 1) goto bad; 13055714Skris infile= *(++argv); 13155714Skris } 13255714Skris else if (strcmp(*argv,"-nocrl") == 0) 13355714Skris { 13455714Skris nocrl=1; 13555714Skris } 13655714Skris else if (strcmp(*argv,"-out") == 0) 13755714Skris { 13855714Skris if (--argc < 1) goto bad; 13955714Skris outfile= *(++argv); 14055714Skris } 14155714Skris else if (strcmp(*argv,"-certfile") == 0) 14255714Skris { 14355714Skris if (--argc < 1) goto bad; 14468651Skris if(!certflst) certflst = sk_new_null(); 14555714Skris sk_push(certflst,*(++argv)); 14655714Skris } 14755714Skris else 14855714Skris { 14955714Skris BIO_printf(bio_err,"unknown option %s\n",*argv); 15055714Skris badops=1; 15155714Skris break; 15255714Skris } 15355714Skris argc--; 15455714Skris argv++; 15555714Skris } 15655714Skris 15755714Skris if (badops) 15855714Skris { 15955714Skrisbad: 16055714Skris BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 16155714Skris BIO_printf(bio_err,"where options are\n"); 16259191Skris BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 16359191Skris BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 16455714Skris BIO_printf(bio_err," -in arg input file\n"); 16555714Skris BIO_printf(bio_err," -out arg output file\n"); 16655714Skris BIO_printf(bio_err," -certfile arg certificates file of chain to a trusted CA\n"); 16755714Skris BIO_printf(bio_err," (can be used more than once)\n"); 16855714Skris BIO_printf(bio_err," -nocrl no crl to load, just certs from '-certfile'\n"); 169109998Smarkm ret = 1; 170109998Smarkm goto end; 17155714Skris } 17255714Skris 17355714Skris ERR_load_crypto_strings(); 17455714Skris 17555714Skris in=BIO_new(BIO_s_file()); 17655714Skris out=BIO_new(BIO_s_file()); 17755714Skris if ((in == NULL) || (out == NULL)) 17855714Skris { 17955714Skris ERR_print_errors(bio_err); 18055714Skris goto end; 18155714Skris } 18255714Skris 18355714Skris if (!nocrl) 18455714Skris { 18555714Skris if (infile == NULL) 18655714Skris BIO_set_fp(in,stdin,BIO_NOCLOSE); 18755714Skris else 18855714Skris { 18955714Skris if (BIO_read_filename(in,infile) <= 0) 19055714Skris { 19155714Skris perror(infile); 19255714Skris goto end; 19355714Skris } 19455714Skris } 19555714Skris 19655714Skris if (informat == FORMAT_ASN1) 19755714Skris crl=d2i_X509_CRL_bio(in,NULL); 19855714Skris else if (informat == FORMAT_PEM) 19955714Skris crl=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 20055714Skris else { 20155714Skris BIO_printf(bio_err,"bad input format specified for input crl\n"); 20255714Skris goto end; 20355714Skris } 20455714Skris if (crl == NULL) 20555714Skris { 20655714Skris BIO_printf(bio_err,"unable to load CRL\n"); 20755714Skris ERR_print_errors(bio_err); 20855714Skris goto end; 20955714Skris } 21055714Skris } 21155714Skris 21255714Skris if ((p7=PKCS7_new()) == NULL) goto end; 21355714Skris if ((p7s=PKCS7_SIGNED_new()) == NULL) goto end; 21455714Skris p7->type=OBJ_nid2obj(NID_pkcs7_signed); 21555714Skris p7->d.sign=p7s; 21655714Skris p7s->contents->type=OBJ_nid2obj(NID_pkcs7_data); 21755714Skris 21855714Skris if (!ASN1_INTEGER_set(p7s->version,1)) goto end; 21968651Skris if ((crl_stack=sk_X509_CRL_new_null()) == NULL) goto end; 22055714Skris p7s->crl=crl_stack; 22155714Skris if (crl != NULL) 22255714Skris { 22355714Skris sk_X509_CRL_push(crl_stack,crl); 22468651Skris crl=NULL; /* now part of p7 for OPENSSL_freeing */ 22555714Skris } 22655714Skris 22768651Skris if ((cert_stack=sk_X509_new_null()) == NULL) goto end; 22855714Skris p7s->cert=cert_stack; 22955714Skris 23055714Skris if(certflst) for(i = 0; i < sk_num(certflst); i++) { 23155714Skris certfile = sk_value(certflst, i); 23255714Skris if (add_certs_from_file(cert_stack,certfile) < 0) 23355714Skris { 23455714Skris BIO_printf(bio_err, "error loading certificates\n"); 23555714Skris ERR_print_errors(bio_err); 23655714Skris goto end; 23755714Skris } 23855714Skris } 23955714Skris 24055714Skris sk_free(certflst); 24155714Skris 24255714Skris if (outfile == NULL) 24368651Skris { 24455714Skris BIO_set_fp(out,stdout,BIO_NOCLOSE); 245109998Smarkm#ifdef OPENSSL_SYS_VMS 24668651Skris { 24768651Skris BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 24868651Skris out = BIO_push(tmpbio, out); 24968651Skris } 25068651Skris#endif 25168651Skris } 25255714Skris else 25355714Skris { 25455714Skris if (BIO_write_filename(out,outfile) <= 0) 25555714Skris { 25655714Skris perror(outfile); 25755714Skris goto end; 25855714Skris } 25955714Skris } 26055714Skris 26155714Skris if (outformat == FORMAT_ASN1) 26255714Skris i=i2d_PKCS7_bio(out,p7); 26355714Skris else if (outformat == FORMAT_PEM) 26455714Skris i=PEM_write_bio_PKCS7(out,p7); 26555714Skris else { 26655714Skris BIO_printf(bio_err,"bad output format specified for outfile\n"); 26755714Skris goto end; 26855714Skris } 26955714Skris if (!i) 27055714Skris { 27155714Skris BIO_printf(bio_err,"unable to write pkcs7 object\n"); 27255714Skris ERR_print_errors(bio_err); 27355714Skris goto end; 27455714Skris } 27555714Skris ret=0; 27655714Skrisend: 27755714Skris if (in != NULL) BIO_free(in); 27868651Skris if (out != NULL) BIO_free_all(out); 27955714Skris if (p7 != NULL) PKCS7_free(p7); 28055714Skris if (crl != NULL) X509_CRL_free(crl); 28155714Skris 282109998Smarkm apps_shutdown(); 283109998Smarkm OPENSSL_EXIT(ret); 28455714Skris } 28555714Skris 28655714Skris/* 28755714Skris *---------------------------------------------------------------------- 28855714Skris * int add_certs_from_file 28955714Skris * 29055714Skris * Read a list of certificates to be checked from a file. 29155714Skris * 29255714Skris * Results: 29355714Skris * number of certs added if successful, -1 if not. 29455714Skris *---------------------------------------------------------------------- 29555714Skris */ 29655714Skrisstatic int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) 29755714Skris { 29855714Skris struct stat st; 29955714Skris BIO *in=NULL; 30055714Skris int count=0; 30155714Skris int ret= -1; 30255714Skris STACK_OF(X509_INFO) *sk=NULL; 30355714Skris X509_INFO *xi; 30455714Skris 30555714Skris if ((stat(certfile,&st) != 0)) 30655714Skris { 30755714Skris BIO_printf(bio_err,"unable to load the file, %s\n",certfile); 30855714Skris goto end; 30955714Skris } 31055714Skris 31155714Skris in=BIO_new(BIO_s_file()); 31255714Skris if ((in == NULL) || (BIO_read_filename(in,certfile) <= 0)) 31355714Skris { 31455714Skris BIO_printf(bio_err,"error opening the file, %s\n",certfile); 31555714Skris goto end; 31655714Skris } 31755714Skris 31855714Skris /* This loads from a file, a stack of x509/crl/pkey sets */ 31955714Skris sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL); 32055714Skris if (sk == NULL) { 32155714Skris BIO_printf(bio_err,"error reading the file, %s\n",certfile); 32255714Skris goto end; 32355714Skris } 32455714Skris 32555714Skris /* scan over it and pull out the CRL's */ 32655714Skris while (sk_X509_INFO_num(sk)) 32755714Skris { 32855714Skris xi=sk_X509_INFO_shift(sk); 32955714Skris if (xi->x509 != NULL) 33055714Skris { 33155714Skris sk_X509_push(stack,xi->x509); 33255714Skris xi->x509=NULL; 33355714Skris count++; 33455714Skris } 33555714Skris X509_INFO_free(xi); 33655714Skris } 33755714Skris 33855714Skris ret=count; 33955714Skrisend: 34068651Skris /* never need to OPENSSL_free x */ 34155714Skris if (in != NULL) BIO_free(in); 34255714Skris if (sk != NULL) sk_X509_INFO_free(sk); 34355714Skris return(ret); 34455714Skris } 34555714Skris 346