-/* apps/crl2p7.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:
* 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
+ * 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
* 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.]
*/
-/* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu>
- * and donated 'to the cause' along with lots and lots of other fixes to
- * the library. */
+/*
+ * This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and
+ * donated 'to the cause' along with lots and lots of other fixes to the
+ * library.
+ */
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
-#include <sys/stat.h>
#include "apps.h"
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/objects.h>
-#ifndef NOPROTO
static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile);
-#else
-static int add_certs_from_file();
-#endif
-
-#undef PROG
-#define PROG crl2pkcs7_main
-/* -inform arg - input format - default PEM (one of DER, TXT or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- */
-
-int MAIN(int argc, char **argv)
- {
- int i,badops=0;
- BIO *in=NULL,*out=NULL;
- int informat,outformat;
- char *infile,*outfile,*prog,*certfile;
- PKCS7 *p7 = NULL;
- PKCS7_SIGNED *p7s = NULL;
- X509_CRL *crl=NULL;
- STACK *certflst=NULL;
- STACK *crl_stack=NULL;
- STACK_OF(X509) *cert_stack=NULL;
- int ret=1,nocrl=0;
-
- 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);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE
+} OPTION_CHOICE;
- infile=NULL;
- outfile=NULL;
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
+OPTIONS crl2pkcs7_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"},
+ {"nocrl", OPT_NOCRL, '-', "No crl to load, just certs from '-certfile'"},
+ {"certfile", OPT_CERTFILE, '<',
+ "File of chain of certs to a trusted CA; can be repeated"},
+ {NULL}
+};
- 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));
- }
- else if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-nocrl") == 0)
- {
- nocrl=1;
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-certfile") == 0)
- {
- if (--argc < 1) goto bad;
- if(!certflst) certflst = sk_new(NULL);
- sk_push(certflst,*(++argv));
- }
- else
- {
- BIO_printf(bio_err,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
+int crl2pkcs7_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL;
+ PKCS7 *p7 = NULL;
+ PKCS7_SIGNED *p7s = NULL;
+ STACK_OF(OPENSSL_STRING) *certflst = NULL;
+ STACK_OF(X509) *cert_stack = NULL;
+ STACK_OF(X509_CRL) *crl_stack = NULL;
+ X509_CRL *crl = NULL;
+ char *infile = NULL, *outfile = NULL, *prog, *certfile;
+ int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl =
+ 0;
+ OPTION_CHOICE o;
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
- BIO_printf(bio_err,"where options are\n");
- BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
- BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
- BIO_printf(bio_err," -in arg input file\n");
- BIO_printf(bio_err," -out arg output file\n");
- BIO_printf(bio_err," -certfile arg certificates file of chain to a trusted CA\n");
- BIO_printf(bio_err," (can be used more than once)\n");
- BIO_printf(bio_err," -nocrl no crl to load, just certs from '-certfile'\n");
- EXIT(1);
- }
+ prog = opt_init(argc, argv, crl2pkcs7_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(crl2pkcs7_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_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_NOCRL:
+ nocrl = 1;
+ break;
+ case OPT_CERTFILE:
+ if ((certflst == NULL)
+ && (certflst = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
+ sk_OPENSSL_STRING_free(certflst);
+ goto end;
+ }
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
- ERR_load_crypto_strings();
+ if (!nocrl) {
+ in = bio_open_default(infile, RB(informat));
+ if (in == NULL)
+ goto end;
- in=BIO_new(BIO_s_file());
- out=BIO_new(BIO_s_file());
- if ((in == NULL) || (out == NULL))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
+ if (informat == FORMAT_ASN1)
+ crl = d2i_X509_CRL_bio(in, NULL);
+ else if (informat == FORMAT_PEM)
+ crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
+ if (crl == NULL) {
+ BIO_printf(bio_err, "unable to load CRL\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
- if (!nocrl)
- {
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
+ if ((p7 = PKCS7_new()) == NULL)
+ goto end;
+ if ((p7s = PKCS7_SIGNED_new()) == NULL)
+ goto end;
+ p7->type = OBJ_nid2obj(NID_pkcs7_signed);
+ p7->d.sign = p7s;
+ p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
- if (informat == FORMAT_ASN1)
- crl=d2i_X509_CRL_bio(in,NULL);
- else if (informat == FORMAT_PEM)
- crl=PEM_read_bio_X509_CRL(in,NULL,NULL);
- else {
- BIO_printf(bio_err,"bad input format specified for input crl\n");
- goto end;
- }
- if (crl == NULL)
- {
- BIO_printf(bio_err,"unable to load CRL\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- if ((p7=PKCS7_new()) == NULL) goto end;
- if ((p7s=PKCS7_SIGNED_new()) == NULL) goto end;
- p7->type=OBJ_nid2obj(NID_pkcs7_signed);
- p7->d.sign=p7s;
- p7s->contents->type=OBJ_nid2obj(NID_pkcs7_data);
+ if (!ASN1_INTEGER_set(p7s->version, 1))
+ goto end;
+ if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
+ goto end;
+ p7s->crl = crl_stack;
+ if (crl != NULL) {
+ sk_X509_CRL_push(crl_stack, crl);
+ crl = NULL; /* now part of p7 for OPENSSL_freeing */
+ }
- if (!ASN1_INTEGER_set(p7s->version,1)) goto end;
- if ((crl_stack=sk_new(NULL)) == NULL) goto end;
- p7s->crl=crl_stack;
- if (crl != NULL)
- {
- sk_push(crl_stack,(char *)crl);
- crl=NULL; /* now part of p7 for Freeing */
- }
+ if ((cert_stack = sk_X509_new_null()) == NULL)
+ goto end;
+ p7s->cert = cert_stack;
- if ((cert_stack=sk_X509_new(NULL)) == NULL) goto end;
- p7s->cert=cert_stack;
+ if (certflst)
+ for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
+ certfile = sk_OPENSSL_STRING_value(certflst, i);
+ if (add_certs_from_file(cert_stack, certfile) < 0) {
+ BIO_printf(bio_err, "error loading certificates\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
- if(certflst) for(i = 0; i < sk_num(certflst); i++) {
- certfile = sk_value(certflst, i);
- if (add_certs_from_file(cert_stack,certfile) < 0)
- {
- BIO_printf(bio_err, "error loading certificates\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
+ sk_OPENSSL_STRING_free(certflst);
- sk_free(certflst);
+ out = bio_open_default(outfile, WB(outformat));
+ if (out == NULL)
+ 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 (outformat == FORMAT_ASN1)
+ i = i2d_PKCS7_bio(out, p7);
+ else if (outformat == FORMAT_PEM)
+ i = PEM_write_bio_PKCS7(out, p7);
+ if (!i) {
+ BIO_printf(bio_err, "unable to write pkcs7 object\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ ret = 0;
+ end:
+ BIO_free(in);
+ BIO_free_all(out);
+ PKCS7_free(p7);
+ X509_CRL_free(crl);
- if (outformat == FORMAT_ASN1)
- i=i2d_PKCS7_bio(out,p7);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_PKCS7(out,p7);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write pkcs7 object\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free(out);
- if (p7 != NULL) PKCS7_free(p7);
- if (crl != NULL) X509_CRL_free(crl);
+ return (ret);
+}
- EXIT(ret);
- }
-
-/*
+/*-
*----------------------------------------------------------------------
* int add_certs_from_file
*
- * Read a list of certificates to be checked from a file.
+ * Read a list of certificates to be checked from a file.
*
* Results:
- * number of certs added if successful, -1 if not.
+ * number of certs added if successful, -1 if not.
*----------------------------------------------------------------------
*/
static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
- {
- struct stat st;
- BIO *in=NULL;
- int count=0;
- int ret= -1;
- STACK *sk=NULL;
- X509_INFO *xi;
-
- if ((stat(certfile,&st) != 0))
- {
- BIO_printf(bio_err,"unable to load the file, %s\n",certfile);
- goto end;
- }
-
- in=BIO_new(BIO_s_file());
- if ((in == NULL) || (BIO_read_filename(in,certfile) <= 0))
- {
- BIO_printf(bio_err,"error opening the file, %s\n",certfile);
- goto end;
- }
+{
+ BIO *in = NULL;
+ int count = 0;
+ int ret = -1;
+ STACK_OF(X509_INFO) *sk = NULL;
+ X509_INFO *xi;
- /* This loads from a file, a stack of x509/crl/pkey sets */
- sk=PEM_X509_INFO_read_bio(in,NULL,NULL);
- if (sk == NULL) {
- BIO_printf(bio_err,"error reading the file, %s\n",certfile);
- goto end;
- }
+ in = BIO_new_file(certfile, "r");
+ if (in == NULL) {
+ BIO_printf(bio_err, "error opening the file, %s\n", certfile);
+ goto end;
+ }
- /* scan over it and pull out the CRL's */
- while (sk_num(sk))
- {
- xi=(X509_INFO *)sk_shift(sk);
- if (xi->x509 != NULL)
- {
- sk_X509_push(stack,xi->x509);
- xi->x509=NULL;
- count++;
- }
- X509_INFO_free(xi);
- }
+ /* This loads from a file, a stack of x509/crl/pkey sets */
+ sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
+ if (sk == NULL) {
+ BIO_printf(bio_err, "error reading the file, %s\n", certfile);
+ goto end;
+ }
- ret=count;
-end:
- /* never need to Free x */
- if (in != NULL) BIO_free(in);
- if (sk != NULL) sk_free(sk);
- return(ret);
- }
+ /* scan over it and pull out the CRL's */
+ while (sk_X509_INFO_num(sk)) {
+ xi = sk_X509_INFO_shift(sk);
+ if (xi->x509 != NULL) {
+ sk_X509_push(stack, xi->x509);
+ xi->x509 = NULL;
+ count++;
+ }
+ X509_INFO_free(xi);
+ }
+ ret = count;
+ end:
+ /* never need to OPENSSL_free x */
+ BIO_free(in);
+ sk_X509_INFO_free(sk);
+ return (ret);
+}