diff options
author | Dr. Stephen Henson <steve@openssl.org> | 1999-04-21 17:44:45 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 1999-04-21 17:44:45 +0000 |
commit | d943e3724162cb7668b90a34f689e7c2b89ebc64 (patch) | |
tree | 37e3bf1f679e0383ab2a974c8a34c1d069a04560 /crypto/x509v3/v3_crld.c | |
parent | 59b82e4f6914d58a1b242ec0ef821ffc3bf785b5 (diff) |
Suppport for CRL distribution points extension. Also document some of
this stuff.
Diffstat (limited to 'crypto/x509v3/v3_crld.c')
-rw-r--r-- | crypto/x509v3/v3_crld.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/crypto/x509v3/v3_crld.c b/crypto/x509v3/v3_crld.c new file mode 100644 index 0000000000..c0b63ee23c --- /dev/null +++ b/crypto/x509v3/v3_crld.c @@ -0,0 +1,290 @@ +/* v3_crld.c */ +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include "cryptlib.h" +#include "conf.h" +#include "asn1.h" +#include "asn1_mac.h" +#include "x509v3.h" + +static STACK *i2v_crld(X509V3_EXT_METHOD *method, STACK_OF(DIST_POINT) *crld, + STACK *extlist); +static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK *nval); + +X509V3_EXT_METHOD v3_crld = { +NID_crl_distribution_points, X509V3_EXT_MULTILINE, +(X509V3_EXT_NEW)CRL_DIST_POINTS_new, +CRL_DIST_POINTS_free, +(X509V3_EXT_D2I)d2i_CRL_DIST_POINTS, +i2d_CRL_DIST_POINTS, +NULL, NULL, +(X509V3_EXT_I2V)i2v_crld, +(X509V3_EXT_V2I)v2i_crld, +NULL, NULL, NULL +}; + +/* + * ASN1err(ASN1_F_DIST_POINT_NEW,ERR_R_MALLOC_FAILURE); + * ASN1err(ASN1_F_D2I_DIST_POINT,ERR_R_MALLOC_FAILURE); + * ASN1err(ASN1_F_DIST_POINT_NAME_NEW,ERR_R_MALLOC_FAILURE); + * ASN1err(ASN1_F_D2I_DIST_POINT_NAME,ERR_R_MALLOC_FAILURE); + */ + +static STACK *i2v_crld(X509V3_EXT_METHOD *method, STACK_OF(DIST_POINT) *crld, + STACK *exts) +{ + DIST_POINT *point; + int i; + for(i = 0; i < sk_DIST_POINT_num(crld); i++) { + point = sk_DIST_POINT_value(crld, i); + if(point->distpoint->fullname) { + exts = i2v_GENERAL_NAMES(NULL, + point->distpoint->fullname, exts); + } + if(point->reasons) + X509V3_add_value("reasons","<UNSUPPORTED>", &exts); + if(point->CRLissuer) + X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts); + if(point->distpoint->relativename) + X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts); + } + return exts; +} + +static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK *nval) +{ + STACK_OF(DIST_POINT) *crld = NULL; + STACK_OF(GENERAL_NAME) *gens = NULL; + GENERAL_NAME *gen = NULL; + CONF_VALUE *cnf; + int i; + if(!(crld = sk_DIST_POINT_new(NULL))) goto merr; + for(i = 0; i < sk_num(nval); i++) { + DIST_POINT *point; + cnf = (CONF_VALUE *)sk_value(nval, i); + if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err; + if(!(gens = GENERAL_NAMES_new())) goto merr; + if(!sk_GENERAL_NAME_push(gens, gen)) goto merr; + gen = NULL; + if(!(point = DIST_POINT_new())) goto merr; + if(!sk_DIST_POINT_push(crld, point)) { + DIST_POINT_free(point); + goto merr; + } + if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr; + point->distpoint->fullname = gens; + gens = NULL; + } + return crld; + + merr: + X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE); + err: + GENERAL_NAME_free(gen); + GENERAL_NAMES_free(gens); + sk_DIST_POINT_pop_free(crld, DIST_POINT_free); + return NULL; +} + +int i2d_CRL_DIST_POINTS(STACK_OF(DIST_POINT) *a, unsigned char **pp) +{ + +return i2d_ASN1_SET_OF_DIST_POINT(a, pp, i2d_DIST_POINT, V_ASN1_SEQUENCE, + V_ASN1_UNIVERSAL, IS_SEQUENCE);} + +STACK_OF(DIST_POINT) *CRL_DIST_POINTS_new(void) +{ + return sk_DIST_POINT_new_null(); +} + +void CRL_DIST_POINTS_free(STACK_OF(DIST_POINT) *a) +{ + sk_DIST_POINT_pop_free(a, DIST_POINT_free); +} + +STACK_OF(DIST_POINT) *d2i_CRL_DIST_POINTS(STACK_OF(DIST_POINT) **a, + unsigned char **pp,long length) +{ +return d2i_ASN1_SET_OF_DIST_POINT(a, pp, length, d2i_DIST_POINT, + DIST_POINT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); + +} + +IMPLEMENT_STACK_OF(DIST_POINT) +IMPLEMENT_ASN1_SET_OF(DIST_POINT) + +int i2d_DIST_POINT(DIST_POINT *a, unsigned char **pp) +{ + int v = 0; + M_ASN1_I2D_vars(a); + /* NB: underlying type is a CHOICE so need EXPLICIT tagging */ + M_ASN1_I2D_len_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v); + M_ASN1_I2D_len_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING); + M_ASN1_I2D_len_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES); + + M_ASN1_I2D_seq_total(); + + M_ASN1_I2D_put_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v); + M_ASN1_I2D_put_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING, 1); + M_ASN1_I2D_put_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES, 2); + + M_ASN1_I2D_finish(); +} + +DIST_POINT *DIST_POINT_new(void) +{ + DIST_POINT *ret=NULL; + ASN1_CTX c; + M_ASN1_New_Malloc(ret, DIST_POINT); + ret->distpoint = NULL; + ret->reasons = NULL; + ret->CRLissuer = NULL; + return (ret); + M_ASN1_New_Error(ASN1_F_DIST_POINT_NEW); +} + +DIST_POINT *d2i_DIST_POINT(DIST_POINT **a, unsigned char **pp, long length) +{ + M_ASN1_D2I_vars(a,DIST_POINT *,DIST_POINT_new); + M_ASN1_D2I_Init(); + M_ASN1_D2I_start_sequence(); + M_ASN1_D2I_get_EXP_opt (ret->distpoint, d2i_DIST_POINT_NAME, 0); + M_ASN1_D2I_get_IMP_opt (ret->reasons, d2i_ASN1_BIT_STRING, 1, + V_ASN1_BIT_STRING); + M_ASN1_D2I_get_IMP_opt (ret->CRLissuer, d2i_GENERAL_NAMES, 2, + V_ASN1_SEQUENCE); + M_ASN1_D2I_Finish(a, DIST_POINT_free, ASN1_F_D2I_DIST_POINT); +} + +void DIST_POINT_free(DIST_POINT *a) +{ + if (a == NULL) return; + DIST_POINT_NAME_free(a->distpoint); + ASN1_BIT_STRING_free(a->reasons); + sk_GENERAL_NAME_pop_free(a->CRLissuer, GENERAL_NAME_free); + Free ((char *)a); +} + +int i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **pp) +{ + int v = 0; + M_ASN1_I2D_vars(a); + + if(a->fullname) { + M_ASN1_I2D_len_IMP_opt (a->fullname, i2d_GENERAL_NAMES); + } else { + M_ASN1_I2D_len_EXP_opt (a->relativename, i2d_X509_NAME, 1, v); + } + + /* Don't want a SEQUENCE so... */ + if(pp == NULL) return ret; + p = *pp; + + if(a->fullname) { + M_ASN1_I2D_put_IMP_opt (a->fullname, i2d_GENERAL_NAMES, 0); + } else { + M_ASN1_I2D_put_EXP_opt (a->relativename, i2d_X509_NAME, 1, v); + } + M_ASN1_I2D_finish(); +} + +DIST_POINT_NAME *DIST_POINT_NAME_new(void) +{ + DIST_POINT_NAME *ret=NULL; + ASN1_CTX c; + M_ASN1_New_Malloc(ret, DIST_POINT_NAME); + ret->fullname = NULL; + ret->relativename = NULL; + return (ret); + M_ASN1_New_Error(ASN1_F_DIST_POINT_NAME_NEW); +} + +void DIST_POINT_NAME_free(DIST_POINT_NAME *a) +{ + if (a == NULL) return; + X509_NAME_free(a->relativename); + sk_GENERAL_NAME_pop_free(a->fullname, GENERAL_NAME_free); + Free ((char *)a); +} + +DIST_POINT_NAME *d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, unsigned char **pp, + long length) +{ + unsigned char _tmp, tag; + M_ASN1_D2I_vars(a,DIST_POINT_NAME *,DIST_POINT_NAME_new); + M_ASN1_D2I_Init(); + c.slen = length; + + _tmp = M_ASN1_next; + tag = _tmp & ~V_ASN1_CONSTRUCTED; + + if(tag == (0|V_ASN1_CONTEXT_SPECIFIC)) { + M_ASN1_D2I_get_imp(ret->fullname, d2i_GENERAL_NAMES, + V_ASN1_SEQUENCE); + } else if (tag == (1|V_ASN1_CONTEXT_SPECIFIC)) { + M_ASN1_D2I_get_EXP_opt (ret->relativename, d2i_X509_NAME, 1); + } else { + c.error = ASN1_R_BAD_TAG; + goto err; + } + + M_ASN1_D2I_Finish(a, DIST_POINT_NAME_free, ASN1_F_D2I_DIST_POINT_NAME); +} |