/* v3_cpols.c */ /* * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project * 1999. */ /* ==================================================================== * Copyright (c) 1999-2004 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 <openssl/conf.h> #include <openssl/asn1.h> #include <openssl/asn1t.h> #include <openssl/x509v3.h> #include "pcy_int.h" /* Certificate policies extension support: this one is a bit complex... */ static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent); static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value); static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent); static void print_notice(BIO *out, USERNOTICE *notice, int indent); static POLICYINFO *policy_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *polstrs, int ia5org); static POLICYQUALINFO *notice_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *unot, int ia5org); static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos); const X509V3_EXT_METHOD v3_cpols = { NID_certificate_policies, 0, ASN1_ITEM_ref(CERTIFICATEPOLICIES), 0, 0, 0, 0, 0, 0, 0, 0, (X509V3_EXT_I2R)i2r_certpol, (X509V3_EXT_R2I)r2i_certpol, NULL }; ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) = ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO) ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES) IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES) ASN1_SEQUENCE(POLICYINFO) = { ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT), ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO) } ASN1_SEQUENCE_END(POLICYINFO) IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO) ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY); ASN1_ADB(POLICYQUALINFO) = { ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)), ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE)) } ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL); ASN1_SEQUENCE(POLICYQUALINFO) = { ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT), ASN1_ADB_OBJECT(POLICYQUALINFO) } ASN1_SEQUENCE_END(POLICYQUALINFO) IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO) ASN1_SEQUENCE(USERNOTICE) = { ASN1_OPT(USERNOTICE, noticeref, NOTICEREF), ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT) } ASN1_SEQUENCE_END(USERNOTICE) IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE) ASN1_SEQUENCE(NOTICEREF) = { ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT), ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER) } ASN1_SEQUENCE_END(NOTICEREF) IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF) static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value) { STACK_OF(POLICYINFO) *pols = NULL; char *pstr; POLICYINFO *pol; ASN1_OBJECT *pobj; STACK_OF(CONF_VALUE) *vals; CONF_VALUE *cnf; int i, ia5org; pols = sk_POLICYINFO_new_null(); if (pols == NULL) { X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE); return NULL; } vals = X509V3_parse_list(value); if (vals == NULL) { X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_X509V3_LIB); goto err; } ia5org = 0; for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { cnf = sk_CONF_VALUE_value(vals, i); if (cnf->value || !cnf->name) { X509V3err(X509V3_F_R2I_CERTPOL, X509V3_R_INVALID_POLICY_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pstr = cnf->name; if (!strcmp(pstr, "ia5org")) { ia5org = 1; continue; } else if (*pstr == '@') { STACK_OF(CONF_VALUE) *polsect; polsect = X509V3_get_section(ctx, pstr + 1); if (!polsect) { X509V3err(X509V3_F_R2I_CERTPOL, X509V3_R_INVALID_SECTION); X509V3_conf_err(cnf); goto err; } pol = policy_section(ctx, polsect, ia5org); X509V3_section_free(ctx, polsect); if (!pol) goto err; } else { if (!(pobj = OBJ_txt2obj(cnf->name, 0))) { X509V3err(X509V3_F_R2I_CERTPOL, X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pol = POLICYINFO_new(); if (pol == NULL) { X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE); goto err; } pol->policyid = pobj; } if (!sk_POLICYINFO_push(pols, pol)) { POLICYINFO_free(pol); X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE); goto err; } } sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); return pols; err: sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); sk_POLICYINFO_pop_free(pols, POLICYINFO_free); return NULL; } static POLICYINFO *policy_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *polstrs, int ia5org) { int i; CONF_VALUE *cnf; POLICYINFO *pol; POLICYQUALINFO *qual; if (!(pol = POLICYINFO_new())) goto merr; for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) { cnf = sk_CONF_VALUE_value(polstrs, i); if (!strcmp(cnf->name, "policyIdentifier")) { ASN1_OBJECT *pobj; if (!(pobj = OBJ_txt2obj(cnf->value, 0))) { X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(cnf); goto err; } pol->policyid = pobj; } else if (!name_cmp(cnf->name, "CPS")) { if (!pol->qualifiers) pol->qualifiers = sk_POLICYQUALINFO_new_null(); if (!(qual = POLICYQUALINFO_new())) goto merr; if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) goto merr; if (!(qual->pqualid = OBJ_nid2obj(NID_id_qt_cps))) { X509V3err(X509V3_F_POLICY_SECTION, ERR_R_INTERNAL_ERROR); goto err; } if (!(qual->d.cpsuri = M_ASN1_IA5STRING_new())) goto merr; if (!ASN1_STRING_set(qual->d.cpsuri, cnf->value, strlen(cnf->value))) goto merr; } else if (!name_cmp(cnf->name, "userNotice")) { STACK_OF(CONF_VALUE) *unot; if (*cnf->value != '@') { X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_EXPECTED_A_SECTION_NAME); X509V3_conf_err(cnf); goto err; } unot = X509V3_get_section(ctx, cnf->value + 1); if (!unot) { X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_INVALID_SECTION); X509V3_conf_err(cnf); goto err; } qual = notice_section(ctx, unot, ia5org); X509V3_section_free(ctx, unot); if (!qual) goto err; if (!pol->qualifiers) pol->qualifiers = sk_POLICYQUALINFO_new_null(); if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) goto merr; } else { X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_INVALID_OPTION); X509V3_conf_err(cnf); goto err; } } if (!pol->policyid) { X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_NO_POLICY_IDENTIFIER); goto err; } return pol; merr: X509V3err(X509V3_F_POLICY_SECTION, ERR_R_MALLOC_FAILURE); err: POLICYINFO_free(pol); return NULL; } static POLICYQUALINFO *notice_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *unot, int ia5org) { int i, ret; CONF_VALUE *cnf; USERNOTICE *not; POLICYQUALINFO *qual; if (!(qual = POLICYQUALINFO_new())) goto merr; if (!(qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice))) { X509V3err(X509V3_F_NOTICE_SECTION, ERR_R_INTERNAL_ERROR); goto err; } if (!(not = USERNOTICE_new())) goto merr; qual->d.usernotice = not; for (i = 0; i < sk_CONF_VALUE_num(unot); i++) { cnf = sk_CONF_VALUE_value(unot, i); if (!strcmp(cnf->name, "explicitText")) { if (!(not->exptext = M_ASN1_VISIBLESTRING_new())) goto merr; if (!ASN1_STRING_set(not->exptext, cnf->value, strlen(cnf->value))) goto merr; } else if (!strcmp(cnf->name, "organization")) { NOTICEREF *nref; if (!not->noticeref) { if (!(nref = NOTICEREF_new())) goto merr; not->noticeref = nref; } else nref = not->noticeref; if (ia5org) nref->organization->type = V_ASN1_IA5STRING; else nref->organization->type = V_ASN1_VISIBLESTRING; if (!ASN1_STRING_set(nref->organization, cnf->value, strlen(cnf->value))) goto merr; } else if (!strcmp(cnf->name, "noticeNumbers")) { NOTICEREF *nref; STACK_OF(CONF_VALUE) *nos; if (!not->noticeref) { if (!(nref = NOTICEREF_new())) goto merr; not->noticeref = nref; } else nref = not->noticeref; nos = X509V3_parse_list(cnf->value); if (!nos || !sk_CONF_VALUE_num(nos)) { X509V3err(X509V3_F_NOTICE_SECTION, X509V3_R_INVALID_NUMBERS); X509V3_conf_err(cnf); goto err; } ret = nref_nos(nref->noticenos, nos); sk_CONF_VALUE_pop_free(nos, X509V3_conf_free); if (!ret) goto err; } else { X509V3err(X509V3_F_NOTICE_SECTION, X509V3_R_INVALID_OPTION); X509V3_conf_err(cnf); goto err; } } if (not->noticeref && (!not->noticeref->noticenos || !not->noticeref->organization)) { X509V3err(X509V3_F_NOTICE_SECTION, X509V3_R_NEED_ORGANIZATION_AND_NUMBERS); goto err; } return qual; merr: X509V3err(X509V3_F_NOTICE_SECTION, ERR_R_MALLOC_FAILURE); err: POLICYQUALINFO_free(qual); return NULL; } static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos) { CONF_VALUE *cnf; ASN1_INTEGER *aint; int i; for (i = 0; i < sk_CONF_VALUE_num(nos); i++) { cnf = sk_CONF_VALUE_value(nos, i); if (!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) { X509V3err(X509V3_F_NREF_NOS, X509V3_R_INVALID_NUMBER); goto err; } if (!sk_ASN1_INTEGER_push(nnums, aint)) goto merr; } return 1; merr: X509V3err(X509V3_F_NREF_NOS, ERR_R_MALLOC_FAILURE); err: sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free); return 0; } static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent) { int i; POLICYINFO *pinfo; /* First print out the policy OIDs */ for (i = 0; i < sk_POLICYINFO_num(pol); i++) { pinfo = sk_POLICYINFO_value(pol, i); BIO_printf(out, "%*sPolicy: ", indent, ""); i2a_ASN1_OBJECT(out, pinfo->policyid); BIO_puts(out, "\n"); if (pinfo->qualifiers) print_qualifiers(out, pinfo->qualifiers, indent + 2); } return 1; } static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent) { POLICYQUALINFO *qualinfo; int i; for (i = 0; i < sk_POLICYQUALINFO_num(quals); i++) { qualinfo = sk_POLICYQUALINFO_value(quals, i); switch (OBJ_obj2nid(qualinfo->pqualid)) { case NID_id_qt_cps: BIO_printf(out, "%*sCPS: %s\n", indent, "", qualinfo->d.cpsuri->data); break; case NID_id_qt_unotice: BIO_printf(out, "%*sUser Notice:\n", indent, ""); print_notice(out, qualinfo->d.usernotice, indent + 2); break; default: BIO_printf(out, "%*sUnknown Qualifier: ", indent + 2, ""); i2a_ASN1_OBJECT(out, qualinfo->pqualid); BIO_puts(out, "\n"); break; } } } static void print_notice(BIO *out, USERNOTICE *notice, int indent) { int i; if (notice->noticeref) { NOTICEREF *ref; ref = notice->noticeref; BIO_printf(out, "%*sOrganization: %s\n", indent, "", ref->organization->data); BIO_printf(out, "%*sNumber%s: ", indent, "", sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : ""); for (i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) { ASN1_INTEGER *num; char *tmp; num = sk_ASN1_INTEGER_value(ref->noticenos, i); if (i) BIO_puts(out, ", "); tmp = i2s_ASN1_INTEGER(NULL, num); BIO_puts(out, tmp); OPENSSL_free(tmp); } BIO_puts(out, "\n"); } if (notice->exptext) BIO_printf(out, "%*sExplicit Text: %s\n", indent, "", notice->exptext->data); } void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent) { const X509_POLICY_DATA *dat = node->data; BIO_printf(out, "%*sPolicy: ", indent, ""); i2a_ASN1_OBJECT(out, dat->valid_policy); BIO_puts(out, "\n"); BIO_printf(out, "%*s%s\n", indent + 2, "", node_data_critical(dat) ? "Critical" : "Non Critical"); if (dat->qualifier_set) print_qualifiers(out, dat->qualifier_set, indent + 2); else BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, ""); } IMPLEMENT_STACK_OF(X509_POLICY_NODE) IMPLEMENT_STACK_OF(X509_POLICY_DATA)