|  | /* | 
|  | * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. | 
|  | * | 
|  | * Licensed under the OpenSSL license (the "License").  You may not use | 
|  | * this file except in compliance with the License.  You can obtain a copy | 
|  | * in the file LICENSE in the source distribution or at | 
|  | * https://www.openssl.org/source/license.html | 
|  | */ | 
|  |  | 
|  | #include <stdio.h> | 
|  | #include "internal/cryptlib.h" | 
|  | #include <openssl/conf.h> | 
|  | #include <openssl/asn1.h> | 
|  | #include <openssl/asn1t.h> | 
|  | #include <openssl/x509v3.h> | 
|  |  | 
|  | #include "pcy_int.h" | 
|  | #include "ext_dat.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") == 0) { | 
|  | 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 == NULL) | 
|  | goto err; | 
|  | } else { | 
|  | if ((pobj = OBJ_txt2obj(cnf->name, 0)) == NULL) { | 
|  | 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); | 
|  | ASN1_OBJECT_free(pobj); | 
|  | 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()) == NULL) | 
|  | goto merr; | 
|  | for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) { | 
|  | cnf = sk_CONF_VALUE_value(polstrs, i); | 
|  | if (strcmp(cnf->name, "policyIdentifier") == 0) { | 
|  | ASN1_OBJECT *pobj; | 
|  | if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) { | 
|  | 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 == NULL) | 
|  | pol->qualifiers = sk_POLICYQUALINFO_new_null(); | 
|  | if ((qual = POLICYQUALINFO_new()) == NULL) | 
|  | goto merr; | 
|  | if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) | 
|  | goto merr; | 
|  | if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_cps)) == NULL) { | 
|  | X509V3err(X509V3_F_POLICY_SECTION, ERR_R_INTERNAL_ERROR); | 
|  | goto err; | 
|  | } | 
|  | if ((qual->d.cpsuri = ASN1_IA5STRING_new()) == NULL) | 
|  | 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()) == NULL) | 
|  | goto merr; | 
|  | if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice)) == NULL) { | 
|  | X509V3err(X509V3_F_NOTICE_SECTION, ERR_R_INTERNAL_ERROR); | 
|  | goto err; | 
|  | } | 
|  | if ((not = USERNOTICE_new()) == NULL) | 
|  | 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") == 0) { | 
|  | if ((not->exptext = ASN1_VISIBLESTRING_new()) == NULL) | 
|  | goto merr; | 
|  | if (!ASN1_STRING_set(not->exptext, cnf->value, | 
|  | strlen(cnf->value))) | 
|  | goto merr; | 
|  | } else if (strcmp(cnf->name, "organization") == 0) { | 
|  | NOTICEREF *nref; | 
|  | if (!not->noticeref) { | 
|  | if ((nref = NOTICEREF_new()) == NULL) | 
|  | 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") == 0) { | 
|  | NOTICEREF *nref; | 
|  | STACK_OF(CONF_VALUE) *nos; | 
|  | if (!not->noticeref) { | 
|  | if ((nref = NOTICEREF_new()) == NULL) | 
|  | 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)) == NULL) { | 
|  | 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, ""); | 
|  | } |