/src/openssl/crypto/x509/v3_cpols.c

Source
/*
 * Copyright 1999-2026 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 "x509_local.h"
#include "pcy_local.h"
#include "ext_dat.h"

#include <crypto/asn1.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, const 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);
static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len);
static int displaytext_get_tag_len(const char *tagstr);

const X509V3_EXT_METHOD ossl_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, const char *value)
{
    STACK_OF(POLICYINFO) *pols;
    char *pstr;
    POLICYINFO *pol;
    ASN1_OBJECT *pobj;
    STACK_OF(CONF_VALUE) *vals = X509V3_parse_list(value);
    CONF_VALUE *cnf;
    const int num = sk_CONF_VALUE_num(vals);
    int i, ia5org;

    if (vals == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_X509V3_LIB);
        return NULL;
    }

    pols = sk_POLICYINFO_new_reserve(NULL, num);
    if (pols == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
        goto err;
    }

    ia5org = 0;
    for (i = 0; i < num; i++) {
        cnf = sk_CONF_VALUE_value(vals, i);
        if (cnf->value != NULL || cnf->name == NULL) {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_POLICY_IDENTIFIER);
            X509V3_conf_add_error_name_value(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 == NULL) {
                ERR_raise_data(ERR_LIB_X509V3, X509V3_R_INVALID_SECTION,
                    "%s", cnf->name);
                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) {
                ERR_raise_data(ERR_LIB_X509V3,
                    X509V3_R_INVALID_OBJECT_IDENTIFIER,
                    "%s", cnf->name);
                goto err;
            }
            pol = POLICYINFO_new();
            if (pol == NULL) {
                ASN1_OBJECT_free(pobj);
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
            pol->policyid = pobj;
        }
        if (!sk_POLICYINFO_push(pols, pol)) {
            POLICYINFO_free(pol);
            ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
            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;
    int policyid_seen = 0;
    CONF_VALUE *cnf;
    POLICYINFO *pol;
    POLICYQUALINFO *qual;

    if ((pol = POLICYINFO_new()) == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
        goto err;
    }
    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 (policyid_seen) {
                ERR_raise_data(ERR_LIB_X509V3, X509V3_R_DUPLICATE_FIELD,
                    "field=%s", cnf->name);
                goto err;
            }
            if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) {
                ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
                X509V3_conf_err(cnf);
                goto err;
            }
            pol->policyid = pobj;
            policyid_seen = 1;

        } else if (!ossl_v3_name_cmp(cnf->name, "CPS")) {
            if (pol->qualifiers == NULL)
                pol->qualifiers = sk_POLICYQUALINFO_new_null();
            if ((qual = POLICYQUALINFO_new()) == NULL) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
            if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) {
                POLICYQUALINFO_free(qual);
                ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
                goto err;
            }
            if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_cps)) == NULL) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
                goto err;
            }
            if ((qual->d.cpsuri = ASN1_IA5STRING_new()) == NULL) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
            if (!ossl_asn1_string_set1_string(qual->d.cpsuri, cnf->value)) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
        } else if (!ossl_v3_name_cmp(cnf->name, "userNotice")) {
            STACK_OF(CONF_VALUE) *unot;
            if (*cnf->value != '@') {
                ERR_raise(ERR_LIB_X509V3, X509V3_R_EXPECTED_A_SECTION_NAME);
                X509V3_conf_err(cnf);
                goto err;
            }
            unot = X509V3_get_section(ctx, cnf->value + 1);
            if (!unot) {
                ERR_raise(ERR_LIB_X509V3, 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 == NULL)
                pol->qualifiers = sk_POLICYQUALINFO_new_null();
            if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) {
                POLICYQUALINFO_free(qual);
                ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
                goto err;
            }
        } else {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
            X509V3_conf_err(cnf);
            goto err;
        }
    }
    if (!policyid_seen) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_POLICY_IDENTIFIER);
        goto err;
    }

    return pol;

err:
    POLICYINFO_free(pol);
    return NULL;
}

static int displaytext_get_tag_len(const char *tagstr)
{
    const char *colon = strchr(tagstr, ':');

    return (colon == NULL) ? -1 : (int)(colon - tagstr);
}

static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len)
{
    int len;

    *tag_len = 0;
    len = displaytext_get_tag_len(tagstr);

    if (len == -1)
        return V_ASN1_VISIBLESTRING;
    *tag_len = len;
    if (len == sizeof("UTF8") - 1 && HAS_PREFIX(tagstr, "UTF8"))
        return V_ASN1_UTF8STRING;
    if (len == sizeof("UTF8String") - 1 && HAS_PREFIX(tagstr, "UTF8String"))
        return V_ASN1_UTF8STRING;
    if (len == sizeof("BMP") - 1 && HAS_PREFIX(tagstr, "BMP"))
        return V_ASN1_BMPSTRING;
    if (len == sizeof("BMPSTRING") - 1 && HAS_PREFIX(tagstr, "BMPSTRING"))
        return V_ASN1_BMPSTRING;
    if (len == sizeof("VISIBLE") - 1 && HAS_PREFIX(tagstr, "VISIBLE"))
        return V_ASN1_VISIBLESTRING;
    if (len == sizeof("VISIBLESTRING") - 1 && HAS_PREFIX(tagstr, "VISIBLESTRING"))
        return V_ASN1_VISIBLESTRING;
    *tag_len = 0;
    return V_ASN1_VISIBLESTRING;
}

static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *unot, int ia5org)
{
    int i, ret, len, tag;
    unsigned int tag_len;
    CONF_VALUE *cnf;
    USERNOTICE *not;
    POLICYQUALINFO *qual;
    char *value = NULL;

    if ((qual = POLICYQUALINFO_new()) == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
        goto err;
    }
    if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice)) == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
        goto err;
    }
    if ((not = USERNOTICE_new()) == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
        goto err;
    }
    qual->d.usernotice = not;
    for (i = 0; i < sk_CONF_VALUE_num(unot); i++) {
        cnf = sk_CONF_VALUE_value(unot, i);

        value = cnf->value;
        if (strcmp(cnf->name, "explicitText") == 0) {
            if (not->exptext != NULL) {
                ERR_raise_data(ERR_LIB_X509V3, X509V3_R_DUPLICATE_FIELD,
                    "field=%s", cnf->name);
                goto err;
            }
            tag = displaytext_str2tag(value, &tag_len);
            if ((not->exptext = ASN1_STRING_type_new(tag)) == NULL) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
            if (tag_len != 0)
                value += tag_len + 1;
            len = (int)strlen(value);
            if (!ossl_asn1_string_set1_data(not->exptext, (uint8_t *)value, len)) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
        } else if (strcmp(cnf->name, "organization") == 0) {
            NOTICEREF *nref;

            if (!not->noticeref) {
                if ((nref = NOTICEREF_new()) == NULL) {
                    ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                    goto err;
                }
                not->noticeref = nref;
            } else
                nref = not->noticeref;
            if (ia5org)
                nref->organization->type = V_ASN1_IA5STRING;
            else
                nref->organization->type = V_ASN1_VISIBLESTRING;
            if (!ossl_asn1_string_set1_string(nref->organization, cnf->value)) {
                ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                goto err;
            }
        } else if (strcmp(cnf->name, "noticeNumbers") == 0) {
            NOTICEREF *nref;

            STACK_OF(CONF_VALUE) *nos;
            if (!not->noticeref) {
                if ((nref = NOTICEREF_new()) == NULL) {
                    ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
                    goto err;
                }
                not->noticeref = nref;
            } else
                nref = not->noticeref;
            nos = X509V3_parse_list(cnf->value);
            if (!nos || !sk_CONF_VALUE_num(nos)) {
                ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBERS);
                X509V3_conf_add_error_name_value(cnf);
                sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
                goto err;
            }
            ret = nref_nos(nref->noticenos, nos);
            sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
            if (!ret)
                goto err;
        } else {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
            X509V3_conf_add_error_name_value(cnf);
            goto err;
        }
    }

    if (not->noticeref && (!not->noticeref->noticenos || !not->noticeref->organization)) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
        goto err;
    }

    return qual;

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) {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBER);
            return 0;
        }
        if (!sk_ASN1_INTEGER_push(nnums, aint)) {
            ASN1_INTEGER_free(aint);
            ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
            return 0;
        }
    }
    return 1;
}

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++) {
        if (i > 0)
            BIO_puts(out, "\n");
        pinfo = sk_POLICYINFO_value(pol, i);
        BIO_printf(out, "%*sPolicy: ", indent, "");
        i2a_ASN1_OBJECT(out, pinfo->policyid);
        if (pinfo->qualifiers) {
            BIO_puts(out, "\n");
            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++) {
        if (i > 0)
            BIO_puts(out, "\n");
        qualinfo = sk_POLICYQUALINFO_value(quals, i);
        switch (OBJ_obj2nid(qualinfo->pqualid)) {
        case NID_id_qt_cps:
            BIO_printf(out, "%*sCPS: %.*s", indent, "",
                qualinfo->d.cpsuri->length,
                qualinfo->d.cpsuri->length
                    ? qualinfo->d.cpsuri->data
                    : (const unsigned char *)"");
            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);
            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->length,
            ref->organization->length
                ? ref->organization->data
                : (const unsigned char *)"");
        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, ", ");
            if (num == NULL)
                BIO_puts(out, "(null)");
            else {
                tmp = i2s_ASN1_INTEGER(NULL, num);
                if (tmp == NULL)
                    return;
                BIO_puts(out, tmp);
                OPENSSL_free(tmp);
            }
        }
        if (notice->exptext)
            BIO_puts(out, "\n");
    }
    if (notice->exptext)
        BIO_printf(out, "%*sExplicit Text: %.*s", indent, "",
            notice->exptext->length,
            notice->exptext->length
                ? notice->exptext->data
                : (const unsigned char *)"");
}

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);
        BIO_puts(out, "\n");
    } else
        BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
}

Coverage Report

Created: 2026-10-16 07:31

Line	Count	Source
1		/*
2		* Copyright 1999-2026 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include "internal/cryptlib.h"
12		#include <openssl/conf.h>
13		#include <openssl/asn1.h>
14		#include <openssl/asn1t.h>
15		#include <openssl/x509v3.h>
16
17		#include "x509_local.h"
18		#include "pcy_local.h"
19		#include "ext_dat.h"
20
21		#include <crypto/asn1.h>
22
23		/* Certificate policies extension support: this one is a bit complex... */
24
25		static int i2r_certpol(X509V3_EXT_METHOD method, STACK_OF(POLICYINFO) pol,
26		BIO *out, int indent);
27		static STACK_OF(POLICYINFO) r2i_certpol(X509V3_EXT_METHOD method,
28		X509V3_CTX ctx, const char value);
29		static void print_qualifiers(BIO out, STACK_OF(POLICYQUALINFO) quals,
30		int indent);
31		static void print_notice(BIO out, USERNOTICE notice, int indent);
32		static POLICYINFO policy_section(X509V3_CTX ctx,
33		STACK_OF(CONF_VALUE) *polstrs, int ia5org);
34		static POLICYQUALINFO notice_section(X509V3_CTX ctx,
35		STACK_OF(CONF_VALUE) *unot, int ia5org);
36		static int nref_nos(STACK_OF(ASN1_INTEGER) nnums, STACK_OF(CONF_VALUE) nos);
37		static int displaytext_str2tag(const char tagstr, unsigned int tag_len);
38		static int displaytext_get_tag_len(const char *tagstr);
39
40		const X509V3_EXT_METHOD ossl_v3_cpols = {
41		NID_certificate_policies, 0, ASN1_ITEM_ref(CERTIFICATEPOLICIES),
42		0, 0, 0, 0,
43		0, 0,
44		0, 0,
45		(X509V3_EXT_I2R)i2r_certpol,
46		(X509V3_EXT_R2I)r2i_certpol,
47		NULL
48		};
49
50		ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) = ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO)
51	0	ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES)
52
53		IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
54
55		ASN1_SEQUENCE(POLICYINFO) = {
56		ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT),
57		ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO)
58	0	} ASN1_SEQUENCE_END(POLICYINFO)
59	0
60	0	IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO)
61	0
62	0	ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY);
63	0
64	0	ASN1_ADB(POLICYQUALINFO) = {
65	0	ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)),
66	0	ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE))
67	0	} ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL);
68
69		ASN1_SEQUENCE(POLICYQUALINFO) = {
70		ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT),
71		ASN1_ADB_OBJECT(POLICYQUALINFO)
72	0	} ASN1_SEQUENCE_END(POLICYQUALINFO)
73	0
74	0	IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO)
75	0
76	0	ASN1_SEQUENCE(USERNOTICE) = {
77	0	ASN1_OPT(USERNOTICE, noticeref, NOTICEREF),
78	0	ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT)
79	0	} ASN1_SEQUENCE_END(USERNOTICE)
80	0
81	0	IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE)
82	0
83	0	ASN1_SEQUENCE(NOTICEREF) = {
84	0	ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT),
85	0	ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER)
86	0	} ASN1_SEQUENCE_END(NOTICEREF)
87	0
88	0	IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF)
89	0
90	0	static STACK_OF(POLICYINFO) r2i_certpol(X509V3_EXT_METHOD method,
91	0	X509V3_CTX ctx, const char value)
92	0	{
93	0	STACK_OF(POLICYINFO) *pols;
94	0	char *pstr;
95	0	POLICYINFO *pol;
96	0	ASN1_OBJECT *pobj;
97	0	STACK_OF(CONF_VALUE) *vals = X509V3_parse_list(value);
98	0	CONF_VALUE *cnf;
99	0	const int num = sk_CONF_VALUE_num(vals);
100	0	int i, ia5org;
101
102	0	if (vals == NULL) {
103	0	ERR_raise(ERR_LIB_X509V3, ERR_R_X509V3_LIB);
104	0	return NULL;
105	0	}
106
107	0	pols = sk_POLICYINFO_new_reserve(NULL, num);
108	0	if (pols == NULL) {
109	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
110	0	goto err;
111	0	}
112
113	0	ia5org = 0;
114	0	for (i = 0; i < num; i++) {
115	0	cnf = sk_CONF_VALUE_value(vals, i);
116	0	if (cnf->value != NULL \|\| cnf->name == NULL) {
117	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_POLICY_IDENTIFIER);
118	0	X509V3_conf_add_error_name_value(cnf);
119	0	goto err;
120	0	}
121	0	pstr = cnf->name;
122	0	if (strcmp(pstr, "ia5org") == 0) {
123	0	ia5org = 1;
124	0	continue;
125	0	} else if (*pstr == '@') {
126	0	STACK_OF(CONF_VALUE) *polsect;
127
128	0	polsect = X509V3_get_section(ctx, pstr + 1);
129	0	if (polsect == NULL) {
130	0	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_INVALID_SECTION,
131	0	"%s", cnf->name);
132	0	goto err;
133	0	}
134	0	pol = policy_section(ctx, polsect, ia5org);
135	0	X509V3_section_free(ctx, polsect);
136	0	if (pol == NULL)
137	0	goto err;
138	0	} else {
139	0	if ((pobj = OBJ_txt2obj(cnf->name, 0)) == NULL) {
140	0	ERR_raise_data(ERR_LIB_X509V3,
141	0	X509V3_R_INVALID_OBJECT_IDENTIFIER,
142	0	"%s", cnf->name);
143	0	goto err;
144	0	}
145	0	pol = POLICYINFO_new();
146	0	if (pol == NULL) {
147	0	ASN1_OBJECT_free(pobj);
148	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
149	0	goto err;
150	0	}
151	0	pol->policyid = pobj;
152	0	}
153	0	if (!sk_POLICYINFO_push(pols, pol)) {
154	0	POLICYINFO_free(pol);
155	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
156	0	goto err;
157	0	}
158	0	}
159	0	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
160	0	return pols;
161	0	err:
162	0	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
163	0	sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
164	0	return NULL;
165	0	}
166
167		static POLICYINFO policy_section(X509V3_CTX ctx,
168		STACK_OF(CONF_VALUE) *polstrs, int ia5org)
169	0	{
170	0	int i;
171	0	int policyid_seen = 0;
172	0	CONF_VALUE *cnf;
173	0	POLICYINFO *pol;
174	0	POLICYQUALINFO *qual;
175
176	0	if ((pol = POLICYINFO_new()) == NULL) {
177	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
178	0	goto err;
179	0	}
180	0	for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
181	0	cnf = sk_CONF_VALUE_value(polstrs, i);
182	0	if (strcmp(cnf->name, "policyIdentifier") == 0) {
183	0	ASN1_OBJECT *pobj;
184
185	0	if (policyid_seen) {
186	0	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_DUPLICATE_FIELD,
187	0	"field=%s", cnf->name);
188	0	goto err;
189	0	}
190	0	if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) {
191	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
192	0	X509V3_conf_err(cnf);
193	0	goto err;
194	0	}
195	0	pol->policyid = pobj;
196	0	policyid_seen = 1;
197
198	0	} else if (!ossl_v3_name_cmp(cnf->name, "CPS")) {
199	0	if (pol->qualifiers == NULL)
200	0	pol->qualifiers = sk_POLICYQUALINFO_new_null();
201	0	if ((qual = POLICYQUALINFO_new()) == NULL) {
202	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
203	0	goto err;
204	0	}
205	0	if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) {
206	0	POLICYQUALINFO_free(qual);
207	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
208	0	goto err;
209	0	}
210	0	if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_cps)) == NULL) {
211	0	ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
212	0	goto err;
213	0	}
214	0	if ((qual->d.cpsuri = ASN1_IA5STRING_new()) == NULL) {
215	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
216	0	goto err;
217	0	}
218	0	if (!ossl_asn1_string_set1_string(qual->d.cpsuri, cnf->value)) {
219	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
220	0	goto err;
221	0	}
222	0	} else if (!ossl_v3_name_cmp(cnf->name, "userNotice")) {
223	0	STACK_OF(CONF_VALUE) *unot;
224	0	if (*cnf->value != '@') {
225	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_EXPECTED_A_SECTION_NAME);
226	0	X509V3_conf_err(cnf);
227	0	goto err;
228	0	}
229	0	unot = X509V3_get_section(ctx, cnf->value + 1);
230	0	if (!unot) {
231	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_SECTION);
232
233	0	X509V3_conf_err(cnf);
234	0	goto err;
235	0	}
236	0	qual = notice_section(ctx, unot, ia5org);
237	0	X509V3_section_free(ctx, unot);
238	0	if (!qual)
239	0	goto err;
240	0	if (pol->qualifiers == NULL)
241	0	pol->qualifiers = sk_POLICYQUALINFO_new_null();
242	0	if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual)) {
243	0	POLICYQUALINFO_free(qual);
244	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
245	0	goto err;
246	0	}
247	0	} else {
248	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
249	0	X509V3_conf_err(cnf);
250	0	goto err;
251	0	}
252	0	}
253	0	if (!policyid_seen) {
254	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_POLICY_IDENTIFIER);
255	0	goto err;
256	0	}
257
258	0	return pol;
259
260	0	err:
261	0	POLICYINFO_free(pol);
262	0	return NULL;
263	0	}
264
265		static int displaytext_get_tag_len(const char *tagstr)
266	0	{
267	0	const char *colon = strchr(tagstr, ':');
268
269	0	return (colon == NULL) ? -1 : (int)(colon - tagstr);
270	0	}
271
272		static int displaytext_str2tag(const char tagstr, unsigned int tag_len)
273	0	{
274	0	int len;
275
276	0	*tag_len = 0;
277	0	len = displaytext_get_tag_len(tagstr);
278
279	0	if (len == -1)
280	0	return V_ASN1_VISIBLESTRING;
281	0	*tag_len = len;
282	0	if (len == sizeof("UTF8") - 1 && HAS_PREFIX(tagstr, "UTF8"))
283	0	return V_ASN1_UTF8STRING;
284	0	if (len == sizeof("UTF8String") - 1 && HAS_PREFIX(tagstr, "UTF8String"))
285	0	return V_ASN1_UTF8STRING;
286	0	if (len == sizeof("BMP") - 1 && HAS_PREFIX(tagstr, "BMP"))
287	0	return V_ASN1_BMPSTRING;
288	0	if (len == sizeof("BMPSTRING") - 1 && HAS_PREFIX(tagstr, "BMPSTRING"))
289	0	return V_ASN1_BMPSTRING;
290	0	if (len == sizeof("VISIBLE") - 1 && HAS_PREFIX(tagstr, "VISIBLE"))
291	0	return V_ASN1_VISIBLESTRING;
292	0	if (len == sizeof("VISIBLESTRING") - 1 && HAS_PREFIX(tagstr, "VISIBLESTRING"))
293	0	return V_ASN1_VISIBLESTRING;
294	0	*tag_len = 0;
295	0	return V_ASN1_VISIBLESTRING;
296	0	}
297
298		static POLICYQUALINFO notice_section(X509V3_CTX ctx,
299		STACK_OF(CONF_VALUE) *unot, int ia5org)
300	0	{
301	0	int i, ret, len, tag;
302	0	unsigned int tag_len;
303	0	CONF_VALUE *cnf;
304	0	USERNOTICE *not;
305	0	POLICYQUALINFO *qual;
306	0	char *value = NULL;
307
308	0	if ((qual = POLICYQUALINFO_new()) == NULL) {
309	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
310	0	goto err;
311	0	}
312	0	if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice)) == NULL) {
313	0	ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
314	0	goto err;
315	0	}
316	0	if ((not = USERNOTICE_new()) == NULL) {
317	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
318	0	goto err;
319	0	}
320	0	qual->d.usernotice = not;
321	0	for (i = 0; i < sk_CONF_VALUE_num(unot); i++) {
322	0	cnf = sk_CONF_VALUE_value(unot, i);
323
324	0	value = cnf->value;
325	0	if (strcmp(cnf->name, "explicitText") == 0) {
326	0	if (not->exptext != NULL) {
327	0	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_DUPLICATE_FIELD,
328	0	"field=%s", cnf->name);
329	0	goto err;
330	0	}
331	0	tag = displaytext_str2tag(value, &tag_len);
332	0	if ((not->exptext = ASN1_STRING_type_new(tag)) == NULL) {
333	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
334	0	goto err;
335	0	}
336	0	if (tag_len != 0)
337	0	value += tag_len + 1;
338	0	len = (int)strlen(value);
339	0	if (!ossl_asn1_string_set1_data(not->exptext, (uint8_t *)value, len)) {
340	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
341	0	goto err;
342	0	}
343	0	} else if (strcmp(cnf->name, "organization") == 0) {
344	0	NOTICEREF *nref;
345
346	0	if (!not->noticeref) {
347	0	if ((nref = NOTICEREF_new()) == NULL) {
348	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
349	0	goto err;
350	0	}
351	0	not->noticeref = nref;
352	0	} else
353	0	nref = not->noticeref;
354	0	if (ia5org)
355	0	nref->organization->type = V_ASN1_IA5STRING;
356	0	else
357	0	nref->organization->type = V_ASN1_VISIBLESTRING;
358	0	if (!ossl_asn1_string_set1_string(nref->organization, cnf->value)) {
359	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
360	0	goto err;
361	0	}
362	0	} else if (strcmp(cnf->name, "noticeNumbers") == 0) {
363	0	NOTICEREF *nref;
364
365	0	STACK_OF(CONF_VALUE) *nos;
366	0	if (!not->noticeref) {
367	0	if ((nref = NOTICEREF_new()) == NULL) {
368	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
369	0	goto err;
370	0	}
371	0	not->noticeref = nref;
372	0	} else
373	0	nref = not->noticeref;
374	0	nos = X509V3_parse_list(cnf->value);
375	0	if (!nos \|\| !sk_CONF_VALUE_num(nos)) {
376	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBERS);
377	0	X509V3_conf_add_error_name_value(cnf);
378	0	sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
379	0	goto err;
380	0	}
381	0	ret = nref_nos(nref->noticenos, nos);
382	0	sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
383	0	if (!ret)
384	0	goto err;
385	0	} else {
386	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
387	0	X509V3_conf_add_error_name_value(cnf);
388	0	goto err;
389	0	}
390	0	}
391
392	0	if (not->noticeref && (!not->noticeref->noticenos \|\| !not->noticeref->organization)) {
393	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
394	0	goto err;
395	0	}
396
397	0	return qual;
398
399	0	err:
400	0	POLICYQUALINFO_free(qual);
401	0	return NULL;
402	0	}
403
404		static int nref_nos(STACK_OF(ASN1_INTEGER) nnums, STACK_OF(CONF_VALUE) nos)
405	0	{
406	0	CONF_VALUE *cnf;
407	0	ASN1_INTEGER *aint;
408
409	0	int i;
410
411	0	for (i = 0; i < sk_CONF_VALUE_num(nos); i++) {
412	0	cnf = sk_CONF_VALUE_value(nos, i);
413	0	if ((aint = s2i_ASN1_INTEGER(NULL, cnf->name)) == NULL) {
414	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBER);
415	0	return 0;
416	0	}
417	0	if (!sk_ASN1_INTEGER_push(nnums, aint)) {
418	0	ASN1_INTEGER_free(aint);
419	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
420	0	return 0;
421	0	}
422	0	}
423	0	return 1;
424	0	}
425
426		static int i2r_certpol(X509V3_EXT_METHOD method, STACK_OF(POLICYINFO) pol,
427		BIO *out, int indent)
428	0	{
429	0	int i;
430	0	POLICYINFO *pinfo;
431		/* First print out the policy OIDs */
432	0	for (i = 0; i < sk_POLICYINFO_num(pol); i++) {
433	0	if (i > 0)
434	0	BIO_puts(out, "\n");
435	0	pinfo = sk_POLICYINFO_value(pol, i);
436	0	BIO_printf(out, "%*sPolicy: ", indent, "");
437	0	i2a_ASN1_OBJECT(out, pinfo->policyid);
438	0	if (pinfo->qualifiers) {
439	0	BIO_puts(out, "\n");
440	0	print_qualifiers(out, pinfo->qualifiers, indent + 2);
441	0	}
442	0	}
443	0	return 1;
444	0	}
445
446		static void print_qualifiers(BIO out, STACK_OF(POLICYQUALINFO) quals,
447		int indent)
448	0	{
449	0	POLICYQUALINFO *qualinfo;
450	0	int i;
451	0	for (i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
452	0	if (i > 0)
453	0	BIO_puts(out, "\n");
454	0	qualinfo = sk_POLICYQUALINFO_value(quals, i);
455	0	switch (OBJ_obj2nid(qualinfo->pqualid)) {
456	0	case NID_id_qt_cps:
457	0	BIO_printf(out, "%sCPS: %.s", indent, "",
458	0	qualinfo->d.cpsuri->length,
459	0	qualinfo->d.cpsuri->length
460	0	? qualinfo->d.cpsuri->data
461	0	: (const unsigned char *)"");
462	0	break;
463
464	0	case NID_id_qt_unotice:
465	0	BIO_printf(out, "%*sUser Notice:\n", indent, "");
466	0	print_notice(out, qualinfo->d.usernotice, indent + 2);
467	0	break;
468
469	0	default:
470	0	BIO_printf(out, "%*sUnknown Qualifier: ", indent + 2, "");
471
472	0	i2a_ASN1_OBJECT(out, qualinfo->pqualid);
473	0	break;
474	0	}
475	0	}
476	0	}
477
478		static void print_notice(BIO out, USERNOTICE notice, int indent)
479	0	{
480	0	int i;
481	0	if (notice->noticeref) {
482	0	NOTICEREF *ref;
483	0	ref = notice->noticeref;
484	0	BIO_printf(out, "%sOrganization: %.s\n", indent, "",
485	0	ref->organization->length,
486	0	ref->organization->length
487	0	? ref->organization->data
488	0	: (const unsigned char *)"");
489	0	BIO_printf(out, "%*sNumber%s: ", indent, "",
490	0	sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
491	0	for (i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
492	0	ASN1_INTEGER *num;
493	0	char *tmp;
494	0	num = sk_ASN1_INTEGER_value(ref->noticenos, i);
495	0	if (i)
496	0	BIO_puts(out, ", ");
497	0	if (num == NULL)
498	0	BIO_puts(out, "(null)");
499	0	else {
500	0	tmp = i2s_ASN1_INTEGER(NULL, num);
501	0	if (tmp == NULL)
502	0	return;
503	0	BIO_puts(out, tmp);
504	0	OPENSSL_free(tmp);
505	0	}
506	0	}
507	0	if (notice->exptext)
508	0	BIO_puts(out, "\n");
509	0	}
510	0	if (notice->exptext)
511	0	BIO_printf(out, "%sExplicit Text: %.s", indent, "",
512	0	notice->exptext->length,
513	0	notice->exptext->length
514	0	? notice->exptext->data
515	0	: (const unsigned char *)"");
516	0	}
517
518		void X509_POLICY_NODE_print(BIO out, X509_POLICY_NODE node, int indent)
519	0	{
520	0	const X509_POLICY_DATA *dat = node->data;
521
522	0	BIO_printf(out, "%*sPolicy: ", indent, "");
523
524	0	i2a_ASN1_OBJECT(out, dat->valid_policy);
525	0	BIO_puts(out, "\n");
526	0	BIO_printf(out, "%*s%s\n", indent + 2, "",
527	0	node_data_critical(dat) ? "Critical" : "Non Critical");
528	0	if (dat->qualifier_set) {
529	0	print_qualifiers(out, dat->qualifier_set, indent + 2);
530	0	BIO_puts(out, "\n");
531	0	} else
532	0	BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
533	0	}