/src/openssl40/crypto/x509/v3_san.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 "crypto/x509.h"
#include <openssl/conf.h>
#include <openssl/x509v3.h>
#include <openssl/bio.h>
#include "ext_dat.h"

static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval);
static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval);
static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);
static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);

const X509V3_EXT_METHOD ossl_v3_alt[3] = {
    { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
        0, 0, 0, 0,
        0, 0,
        (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
        (X509V3_EXT_V2I)v2i_subject_alt,
        NULL, NULL, NULL },

    { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
        0, 0, 0, 0,
        0, 0,
        (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
        (X509V3_EXT_V2I)v2i_issuer_alt,
        NULL, NULL, NULL },

    { NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
        0, 0, 0, 0,
        0, 0,
        (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
        NULL, NULL, NULL, NULL },
};

STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
    GENERAL_NAMES *gens,
    STACK_OF(CONF_VALUE) *ret)
{
    int i;
    GENERAL_NAME *gen;
    STACK_OF(CONF_VALUE) *tmpret = NULL, *origret = ret;

    for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
        gen = sk_GENERAL_NAME_value(gens, i);
        /*
         * i2v_GENERAL_NAME allocates ret if it is NULL. If something goes
         * wrong we need to free the stack - but only if it was empty when we
         * originally entered this function.
         */
        tmpret = i2v_GENERAL_NAME(method, gen, ret);
        if (tmpret == NULL) {
            if (origret == NULL)
                sk_CONF_VALUE_pop_free(ret, X509V3_conf_free);
            return NULL;
        }
        ret = tmpret;
    }
    if (ret == NULL)
        return sk_CONF_VALUE_new_null();
    return ret;
}

STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
    GENERAL_NAME *gen,
    STACK_OF(CONF_VALUE) *ret)
{
    char othername[300];
    char oline[256], *tmp;

    switch (gen->type) {
    case GEN_OTHERNAME:
        switch (OBJ_obj2nid(gen->d.otherName->type_id)) {
        case NID_id_on_SmtpUTF8Mailbox:
            if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
                || !x509v3_add_len_value_uchar("othername: SmtpUTF8Mailbox",
                    gen->d.otherName->value->value.utf8string->data,
                    gen->d.otherName->value->value.utf8string->length,
                    &ret))
                return NULL;
            break;
        case NID_XmppAddr:
            if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
                || !x509v3_add_len_value_uchar("othername: XmppAddr",
                    gen->d.otherName->value->value.utf8string->data,
                    gen->d.otherName->value->value.utf8string->length,
                    &ret))
                return NULL;
            break;
        case NID_SRVName:
            if (gen->d.otherName->value->type != V_ASN1_IA5STRING
                || !x509v3_add_len_value_uchar("othername: SRVName",
                    gen->d.otherName->value->value.ia5string->data,
                    gen->d.otherName->value->value.ia5string->length,
                    &ret))
                return NULL;
            break;
        case NID_ms_upn:
            if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
                || !x509v3_add_len_value_uchar("othername: UPN",
                    gen->d.otherName->value->value.utf8string->data,
                    gen->d.otherName->value->value.utf8string->length,
                    &ret))
                return NULL;
            break;
        case NID_NAIRealm:
            if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
                || !x509v3_add_len_value_uchar("othername: NAIRealm",
                    gen->d.otherName->value->value.utf8string->data,
                    gen->d.otherName->value->value.utf8string->length,
                    &ret))
                return NULL;
            break;
        default:
            if (OBJ_obj2txt(oline, sizeof(oline), gen->d.otherName->type_id, 0) > 0)
                BIO_snprintf(othername, sizeof(othername), "othername: %s",
                    oline);
            else
                OPENSSL_strlcpy(othername, "othername", sizeof(othername));

            /* check if the value is something printable */
            if (gen->d.otherName->value->type == V_ASN1_IA5STRING) {
                if (x509v3_add_len_value_uchar(othername,
                        gen->d.otherName->value->value.ia5string->data,
                        gen->d.otherName->value->value.ia5string->length,
                        &ret))
                    return ret;
            }
            if (gen->d.otherName->value->type == V_ASN1_UTF8STRING) {
                if (x509v3_add_len_value_uchar(othername,
                        gen->d.otherName->value->value.utf8string->data,
                        gen->d.otherName->value->value.utf8string->length,
                        &ret))
                    return ret;
            }
            if (!X509V3_add_value(othername, "<unsupported>", &ret))
                return NULL;
            break;
        }
        break;

    case GEN_X400:
        if (!X509V3_add_value("X400Name", "<unsupported>", &ret))
            return NULL;
        break;

    case GEN_EDIPARTY:
        if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret))
            return NULL;
        break;

    case GEN_EMAIL:
        if (!x509v3_add_len_value_uchar("email", gen->d.ia5->data,
                gen->d.ia5->length, &ret))
            return NULL;
        break;

    case GEN_DNS:
        if (!x509v3_add_len_value_uchar("DNS", gen->d.ia5->data,
                gen->d.ia5->length, &ret))
            return NULL;
        break;

    case GEN_URI:
        if (!x509v3_add_len_value_uchar("URI", gen->d.ia5->data,
                gen->d.ia5->length, &ret))
            return NULL;
        break;

    case GEN_DIRNAME:
        if (X509_NAME_oneline(gen->d.dirn, oline, sizeof(oline)) == NULL
            || !X509V3_add_value("DirName", oline, &ret))
            return NULL;
        break;

    case GEN_IPADD:
        tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
        if (tmp == NULL || !X509V3_add_value("IP Address", tmp, &ret))
            ret = NULL;
        OPENSSL_free(tmp);
        break;

    case GEN_RID:
        i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
        if (!X509V3_add_value("Registered ID", oline, &ret))
            return NULL;
        break;
    }
    return ret;
}

int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
{
    char *tmp;
    int nid;

    switch (gen->type) {
    case GEN_OTHERNAME:
        nid = OBJ_obj2nid(gen->d.otherName->type_id);
        /* Validate the types are as we expect before we use them */
        if ((nid == NID_SRVName
                && gen->d.otherName->value->type != V_ASN1_IA5STRING)
            || (nid != NID_SRVName
                && gen->d.otherName->value->type != V_ASN1_UTF8STRING)) {
            BIO_printf(out, "othername:<unsupported>");
            break;
        }

        switch (nid) {
        case NID_id_on_SmtpUTF8Mailbox:
            BIO_printf(out, "othername:SmtpUTF8Mailbox:%.*s",
                gen->d.otherName->value->value.utf8string->length,
                gen->d.otherName->value->value.utf8string->data);
            break;
        case NID_XmppAddr:
            BIO_printf(out, "othername:XmppAddr:%.*s",
                gen->d.otherName->value->value.utf8string->length,
                gen->d.otherName->value->value.utf8string->data);
            break;
        case NID_SRVName:
            BIO_printf(out, "othername:SRVName:%.*s",
                gen->d.otherName->value->value.ia5string->length,
                gen->d.otherName->value->value.ia5string->data);
            break;
        case NID_ms_upn:
            BIO_printf(out, "othername:UPN:%.*s",
                gen->d.otherName->value->value.utf8string->length,
                gen->d.otherName->value->value.utf8string->data);
            break;
        case NID_NAIRealm:
            BIO_printf(out, "othername:NAIRealm:%.*s",
                gen->d.otherName->value->value.utf8string->length,
                gen->d.otherName->value->value.utf8string->data);
            break;
        default:
            BIO_printf(out, "othername:<unsupported>");
            break;
        }
        break;

    case GEN_X400:
        BIO_printf(out, "X400Name:<unsupported>");
        break;

    case GEN_EDIPARTY:
        /* Maybe fix this: it is supported now */
        BIO_printf(out, "EdiPartyName:<unsupported>");
        break;

    case GEN_EMAIL:
        BIO_printf(out, "email:");
        ASN1_STRING_print(out, gen->d.ia5);
        break;

    case GEN_DNS:
        BIO_printf(out, "DNS:");
        ASN1_STRING_print(out, gen->d.ia5);
        break;

    case GEN_URI:
        BIO_printf(out, "URI:");
        ASN1_STRING_print(out, gen->d.ia5);
        break;

    case GEN_DIRNAME:
        BIO_printf(out, "DirName:");
        X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
        break;

    case GEN_IPADD:
        tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
        if (tmp == NULL)
            return 0;
        BIO_printf(out, "IP Address:%s", tmp);
        OPENSSL_free(tmp);
        break;

    case GEN_RID:
        BIO_printf(out, "Registered ID:");
        i2a_ASN1_OBJECT(out, gen->d.rid);
        break;
    }
    return 1;
}

static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval)
{
    const int num = sk_CONF_VALUE_num(nval);
    GENERAL_NAMES *gens = sk_GENERAL_NAME_new_reserve(NULL, num);
    int i;

    if (gens == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
        return NULL;
    }
    for (i = 0; i < num; i++) {
        CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);

        if (!ossl_v3_name_cmp(cnf->name, "issuer")
            && cnf->value && strcmp(cnf->value, "copy") == 0) {
            if (!copy_issuer(ctx, gens))
                goto err;
        } else {
            GENERAL_NAME *gen = v2i_GENERAL_NAME(method, ctx, cnf);

            if (gen == NULL)
                goto err;
            sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
        }
    }
    return gens;
err:
    sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
    return NULL;
}

/* Append subject altname of issuer to issuer alt name of subject */

static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
{
    GENERAL_NAMES *ialt = NULL;
    GENERAL_NAME *gen;
    const X509_EXTENSION *ext;
    int i, num;

    if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
        return 1;
    if (!ctx || !ctx->issuer_cert) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_ISSUER_DETAILS);
        goto err;
    }
    i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
    if (i < 0)
        return 1;
    if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
        || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_ISSUER_DECODE_ERROR);
        goto err;
    }

    num = sk_GENERAL_NAME_num(ialt);
    if (!sk_GENERAL_NAME_reserve(gens, num)) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
        goto err;
    }

    for (i = 0; i < num; i++) {
        gen = sk_GENERAL_NAME_value(ialt, i);
        sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
    }
    sk_GENERAL_NAME_free(ialt);

    return 1;

err:
    sk_GENERAL_NAME_free(ialt);
    return 0;
}

static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval)
{
    GENERAL_NAMES *gens;
    CONF_VALUE *cnf;
    const int num = sk_CONF_VALUE_num(nval);
    int i;

    gens = sk_GENERAL_NAME_new_reserve(NULL, num);
    if (gens == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
        return NULL;
    }

    for (i = 0; i < num; i++) {
        cnf = sk_CONF_VALUE_value(nval, i);
        if (ossl_v3_name_cmp(cnf->name, "email") == 0
            && cnf->value && strcmp(cnf->value, "copy") == 0) {
            if (!copy_email(ctx, gens, 0))
                goto err;
        } else if (ossl_v3_name_cmp(cnf->name, "email") == 0
            && cnf->value && strcmp(cnf->value, "move") == 0) {
            if (!copy_email(ctx, gens, 1))
                goto err;
        } else {
            GENERAL_NAME *gen;
            if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
                goto err;
            sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
        }
    }
    return gens;
err:
    sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
    return NULL;
}

/*
 * Copy any email addresses in a certificate or request to GENERAL_NAMES
 */

static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
{
    const X509_NAME *nm;
    ASN1_IA5STRING *email = NULL;
    X509_NAME_ENTRY *ne;
    GENERAL_NAME *gen = NULL;
    int i = -1;

    if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
        return 1;
    if (ctx == NULL
        || (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_SUBJECT_DETAILS);
        return 0;
    }
    /* Find the subject name */
    nm = ctx->subject_cert != NULL ? X509_get_subject_name(ctx->subject_cert)
                                   : X509_REQ_get_subject_name(ctx->subject_req);

    /* Now add any email address(es) to STACK */
    while ((i = X509_NAME_get_index_by_NID(nm,
                NID_pkcs9_emailAddress, i))
        >= 0) {
        if (move_p) {
            /* We should really not support deleting things in a const object
             * to rip the pointer out of it. If we truly want a new object
             * without this in it, we should just construct one without it.
             */
            return 0;
        }
        /* XXX Casts away const */
        ne = (X509_NAME_ENTRY *)X509_NAME_get_entry(nm, i);
        email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
        if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
            ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
            goto err;
        }
        gen->d.ia5 = email;
        email = NULL;
        gen->type = GEN_EMAIL;
        if (!sk_GENERAL_NAME_push(gens, gen)) {
            ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
            goto err;
        }
        gen = NULL;
    }

    return 1;

err:
    GENERAL_NAME_free(gen);
    ASN1_IA5STRING_free(email);
    return 0;
}

GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
    GENERAL_NAME *gen;
    GENERAL_NAMES *gens;
    CONF_VALUE *cnf;
    const int num = sk_CONF_VALUE_num(nval);
    int i;

    gens = sk_GENERAL_NAME_new_reserve(NULL, num);
    if (gens == NULL) {
        ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
        return NULL;
    }

    for (i = 0; i < num; i++) {
        cnf = sk_CONF_VALUE_value(nval, i);
        if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
            goto err;
        sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
    }
    return gens;
err:
    sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
    return NULL;
}

GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx, CONF_VALUE *cnf)
{
    return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
}

GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
    const X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx, int gen_type, const char *value,
    int is_nc)
{
    char is_string = 0;
    GENERAL_NAME *gen = NULL;

    if (!value) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
        return NULL;
    }

    if (out)
        gen = out;
    else {
        gen = GENERAL_NAME_new();
        if (gen == NULL) {
            ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
            return NULL;
        }
    }

    switch (gen_type) {
    case GEN_URI:
    case GEN_EMAIL:
    case GEN_DNS:
        is_string = 1;
        break;

    case GEN_RID: {
        ASN1_OBJECT *obj;
        if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
            ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_OBJECT,
                "value=%s", value);
            goto err;
        }
        gen->d.rid = obj;
    } break;

    case GEN_IPADD:
        if (is_nc)
            gen->d.ip = a2i_IPADDRESS_NC(value);
        else
            gen->d.ip = a2i_IPADDRESS(value);
        if (gen->d.ip == NULL) {
            ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_IP_ADDRESS,
                "value=%s", value);
            goto err;
        }
        break;

    case GEN_DIRNAME:
        if (!do_dirname(gen, value, ctx)) {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_DIRNAME_ERROR);
            goto err;
        }
        break;

    case GEN_OTHERNAME:
        if (!do_othername(gen, value, ctx)) {
            ERR_raise(ERR_LIB_X509V3, X509V3_R_OTHERNAME_ERROR);
            goto err;
        }
        break;
    default:
        ERR_raise(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_TYPE);
        goto err;
    }

    if (is_string) {
        if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL || !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value, (int)strlen(value))) {
            ASN1_IA5STRING_free(gen->d.ia5);
            gen->d.ia5 = NULL;
            ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
            goto err;
        }
    }

    gen->type = gen_type;

    return gen;

err:
    if (!out)
        GENERAL_NAME_free(gen);
    return NULL;
}

GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
    const X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
{
    int type;

    char *name, *value;

    name = cnf->name;
    value = cnf->value;

    if (!value) {
        ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
        return NULL;
    }

    if (!ossl_v3_name_cmp(name, "email"))
        type = GEN_EMAIL;
    else if (!ossl_v3_name_cmp(name, "URI"))
        type = GEN_URI;
    else if (!ossl_v3_name_cmp(name, "DNS"))
        type = GEN_DNS;
    else if (!ossl_v3_name_cmp(name, "RID"))
        type = GEN_RID;
    else if (!ossl_v3_name_cmp(name, "IP"))
        type = GEN_IPADD;
    else if (!ossl_v3_name_cmp(name, "dirName"))
        type = GEN_DIRNAME;
    else if (!ossl_v3_name_cmp(name, "otherName"))
        type = GEN_OTHERNAME;
    else {
        ERR_raise_data(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_OPTION,
            "name=%s", name);
        return NULL;
    }

    return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
}

static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
{
    char *objtmp = NULL;
    const char *p;
    size_t objlen;

    if ((p = strchr(value, ';')) == NULL)
        return 0;
    if ((gen->d.otherName = OTHERNAME_new()) == NULL)
        return 0;
    /*
     * Free this up because we will overwrite it. no need to free type_id
     * because it is static
     */
    ASN1_TYPE_free(gen->d.otherName->value);
    if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
        goto err;
    objlen = p - value;
    objtmp = OPENSSL_strndup(value, objlen);
    if (objtmp == NULL)
        goto err;
    gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
    OPENSSL_free(objtmp);
    if (!gen->d.otherName->type_id)
        goto err;
    return 1;

err:
    OTHERNAME_free(gen->d.otherName);
    gen->d.otherName = NULL;
    return 0;
}

static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
{
    int ret = 0;
    STACK_OF(CONF_VALUE) *sk = NULL;
    X509_NAME *nm;

    if ((nm = X509_NAME_new()) == NULL)
        goto err;
    sk = X509V3_get_section(ctx, value);
    if (!sk) {
        ERR_raise_data(ERR_LIB_X509V3, X509V3_R_SECTION_NOT_FOUND,
            "section=%s", value);
        goto err;
    }
    /* FIXME: should allow other character types... */
    ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
    if (!ret)
        goto err;
    gen->d.dirn = nm;

err:
    if (ret == 0)
        X509_NAME_free(nm);
    X509V3_section_free(ctx, sk);
    return ret;
}

Coverage Report

Created: 2026-10-28 06:28

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 "crypto/x509.h"
13		#include <openssl/conf.h>
14		#include <openssl/x509v3.h>
15		#include <openssl/bio.h>
16		#include "ext_dat.h"
17
18		static GENERAL_NAMES v2i_subject_alt(X509V3_EXT_METHOD method,
19		X509V3_CTX *ctx,
20		STACK_OF(CONF_VALUE) *nval);
21		static GENERAL_NAMES v2i_issuer_alt(X509V3_EXT_METHOD method,
22		X509V3_CTX *ctx,
23		STACK_OF(CONF_VALUE) *nval);
24		static int copy_email(X509V3_CTX ctx, GENERAL_NAMES gens, int move_p);
25		static int copy_issuer(X509V3_CTX ctx, GENERAL_NAMES gens);
26		static int do_othername(GENERAL_NAME gen, const char value, X509V3_CTX *ctx);
27		static int do_dirname(GENERAL_NAME gen, const char value, X509V3_CTX *ctx);
28
29		const X509V3_EXT_METHOD ossl_v3_alt[3] = {
30		{ NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
31		0, 0, 0, 0,
32		0, 0,
33		(X509V3_EXT_I2V)i2v_GENERAL_NAMES,
34		(X509V3_EXT_V2I)v2i_subject_alt,
35		NULL, NULL, NULL },
36
37		{ NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
38		0, 0, 0, 0,
39		0, 0,
40		(X509V3_EXT_I2V)i2v_GENERAL_NAMES,
41		(X509V3_EXT_V2I)v2i_issuer_alt,
42		NULL, NULL, NULL },
43
44		{ NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
45		0, 0, 0, 0,
46		0, 0,
47		(X509V3_EXT_I2V)i2v_GENERAL_NAMES,
48		NULL, NULL, NULL, NULL },
49		};
50
51		STACK_OF(CONF_VALUE) i2v_GENERAL_NAMES(X509V3_EXT_METHOD method,
52		GENERAL_NAMES *gens,
53		STACK_OF(CONF_VALUE) *ret)
54	68.2k	{
55	68.2k	int i;
56	68.2k	GENERAL_NAME *gen;
57	68.2k	STACK_OF(CONF_VALUE) tmpret = NULL, origret = ret;
58
59	212k	for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
60	166k	gen = sk_GENERAL_NAME_value(gens, i);
61		/*
62		* i2v_GENERAL_NAME allocates ret if it is NULL. If something goes
63		* wrong we need to free the stack - but only if it was empty when we
64		* originally entered this function.
65		*/
66	166k	tmpret = i2v_GENERAL_NAME(method, gen, ret);
67	166k	if (tmpret == NULL) {
68	23.0k	if (origret == NULL)
69	21.9k	sk_CONF_VALUE_pop_free(ret, X509V3_conf_free);
70	23.0k	return NULL;
71	23.0k	}
72	143k	ret = tmpret;
73	143k	}
74	45.1k	if (ret == NULL)
75	9.22k	return sk_CONF_VALUE_new_null();
76	35.8k	return ret;
77	45.1k	}
78
79		STACK_OF(CONF_VALUE) i2v_GENERAL_NAME(X509V3_EXT_METHOD method,
80		GENERAL_NAME *gen,
81		STACK_OF(CONF_VALUE) *ret)
82	170k	{
83	170k	char othername[300];
84	170k	char oline[256], *tmp;
85
86	170k	switch (gen->type) {
87	32.8k	case GEN_OTHERNAME:
88	32.8k	switch (OBJ_obj2nid(gen->d.otherName->type_id)) {
89	858	case NID_id_on_SmtpUTF8Mailbox:
90	858	if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
91	641	\|\| !x509v3_add_len_value_uchar("othername: SmtpUTF8Mailbox",
92	641	gen->d.otherName->value->value.utf8string->data,
93	641	gen->d.otherName->value->value.utf8string->length,
94	641	&ret))
95	682	return NULL;
96	176	break;
97	1.02k	case NID_XmppAddr:
98	1.02k	if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
99	491	\|\| !x509v3_add_len_value_uchar("othername: XmppAddr",
100	491	gen->d.otherName->value->value.utf8string->data,
101	491	gen->d.otherName->value->value.utf8string->length,
102	491	&ret))
103	862	return NULL;
104	158	break;
105	551	case NID_SRVName:
106	551	if (gen->d.otherName->value->type != V_ASN1_IA5STRING
107	281	\|\| !x509v3_add_len_value_uchar("othername: SRVName",
108	281	gen->d.otherName->value->value.ia5string->data,
109	281	gen->d.otherName->value->value.ia5string->length,
110	281	&ret))
111	468	return NULL;
112	83	break;
113	566	case NID_ms_upn:
114	566	if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
115	374	\|\| !x509v3_add_len_value_uchar("othername: UPN",
116	374	gen->d.otherName->value->value.utf8string->data,
117	374	gen->d.otherName->value->value.utf8string->length,
118	374	&ret))
119	448	return NULL;
120	118	break;
121	6.10k	case NID_NAIRealm:
122	6.10k	if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
123	3.92k	\|\| !x509v3_add_len_value_uchar("othername: NAIRealm",
124	3.92k	gen->d.otherName->value->value.utf8string->data,
125	3.92k	gen->d.otherName->value->value.utf8string->length,
126	3.92k	&ret))
127	2.54k	return NULL;
128	3.55k	break;
129	23.7k	default:
130	23.7k	if (OBJ_obj2txt(oline, sizeof(oline), gen->d.otherName->type_id, 0) > 0)
131	23.7k	BIO_snprintf(othername, sizeof(othername), "othername: %s",
132	23.7k	oline);
133	0	else
134	0	OPENSSL_strlcpy(othername, "othername", sizeof(othername));
135
136		/* check if the value is something printable */
137	23.7k	if (gen->d.otherName->value->type == V_ASN1_IA5STRING) {
138	7.14k	if (x509v3_add_len_value_uchar(othername,
139	7.14k	gen->d.otherName->value->value.ia5string->data,
140	7.14k	gen->d.otherName->value->value.ia5string->length,
141	7.14k	&ret))
142	4.76k	return ret;
143	7.14k	}
144	18.9k	if (gen->d.otherName->value->type == V_ASN1_UTF8STRING) {
145	6.55k	if (x509v3_add_len_value_uchar(othername,
146	6.55k	gen->d.otherName->value->value.utf8string->data,
147	6.55k	gen->d.otherName->value->value.utf8string->length,
148	6.55k	&ret))
149	3.00k	return ret;
150	6.55k	}
151	15.9k	if (!X509V3_add_value(othername, "<unsupported>", &ret))
152	0	return NULL;
153	15.9k	break;
154	32.8k	}
155	20.0k	break;
156
157	20.0k	case GEN_X400:
158	7.33k	if (!X509V3_add_value("X400Name", "<unsupported>", &ret))
159	0	return NULL;
160	7.33k	break;
161
162	7.33k	case GEN_EDIPARTY:
163	1.04k	if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret))
164	0	return NULL;
165	1.04k	break;
166
167	22.8k	case GEN_EMAIL:
168	22.8k	if (!x509v3_add_len_value_uchar("email", gen->d.ia5->data,
169	22.8k	gen->d.ia5->length, &ret))
170	10.7k	return NULL;
171	12.0k	break;
172
173	34.1k	case GEN_DNS:
174	34.1k	if (!x509v3_add_len_value_uchar("DNS", gen->d.ia5->data,
175	34.1k	gen->d.ia5->length, &ret))
176	3.25k	return NULL;
177	30.8k	break;
178
179	36.5k	case GEN_URI:
180	36.5k	if (!x509v3_add_len_value_uchar("URI", gen->d.ia5->data,
181	36.5k	gen->d.ia5->length, &ret))
182	4.87k	return NULL;
183	31.7k	break;
184
185	31.7k	case GEN_DIRNAME:
186	6.10k	if (X509_NAME_oneline(gen->d.dirn, oline, sizeof(oline)) == NULL
187	6.10k	\|\| !X509V3_add_value("DirName", oline, &ret))
188	0	return NULL;
189	6.10k	break;
190
191	25.1k	case GEN_IPADD:
192	25.1k	tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
193	25.1k	if (tmp == NULL \|\| !X509V3_add_value("IP Address", tmp, &ret))
194	0	ret = NULL;
195	25.1k	OPENSSL_free(tmp);
196	25.1k	break;
197
198	4.40k	case GEN_RID:
199	4.40k	i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
200	4.40k	if (!X509V3_add_value("Registered ID", oline, &ret))
201	0	return NULL;
202	4.40k	break;
203	170k	}
204	138k	return ret;
205	170k	}
206
207		int GENERAL_NAME_print(BIO out, GENERAL_NAME gen)
208	82.0k	{
209	82.0k	char *tmp;
210	82.0k	int nid;
211
212	82.0k	switch (gen->type) {
213	1.05k	case GEN_OTHERNAME:
214	1.05k	nid = OBJ_obj2nid(gen->d.otherName->type_id);
215		/* Validate the types are as we expect before we use them */
216	1.05k	if ((nid == NID_SRVName
217	26	&& gen->d.otherName->value->type != V_ASN1_IA5STRING)
218	1.04k	\|\| (nid != NID_SRVName
219	1.03k	&& gen->d.otherName->value->type != V_ASN1_UTF8STRING)) {
220	660	BIO_printf(out, "othername:<unsupported>");
221	660	break;
222	660	}
223
224	397	switch (nid) {
225	12	case NID_id_on_SmtpUTF8Mailbox:
226	12	BIO_printf(out, "othername:SmtpUTF8Mailbox:%.*s",
227	12	gen->d.otherName->value->value.utf8string->length,
228	12	gen->d.otherName->value->value.utf8string->data);
229	12	break;
230	12	case NID_XmppAddr:
231	12	BIO_printf(out, "othername:XmppAddr:%.*s",
232	12	gen->d.otherName->value->value.utf8string->length,
233	12	gen->d.otherName->value->value.utf8string->data);
234	12	break;
235	12	case NID_SRVName:
236	12	BIO_printf(out, "othername:SRVName:%.*s",
237	12	gen->d.otherName->value->value.ia5string->length,
238	12	gen->d.otherName->value->value.ia5string->data);
239	12	break;
240	46	case NID_ms_upn:
241	46	BIO_printf(out, "othername:UPN:%.*s",
242	46	gen->d.otherName->value->value.utf8string->length,
243	46	gen->d.otherName->value->value.utf8string->data);
244	46	break;
245	12	case NID_NAIRealm:
246	12	BIO_printf(out, "othername:NAIRealm:%.*s",
247	12	gen->d.otherName->value->value.utf8string->length,
248	12	gen->d.otherName->value->value.utf8string->data);
249	12	break;
250	303	default:
251	303	BIO_printf(out, "othername:<unsupported>");
252	303	break;
253	397	}
254	397	break;
255
256	5.34k	case GEN_X400:
257	5.34k	BIO_printf(out, "X400Name:<unsupported>");
258	5.34k	break;
259
260	81	case GEN_EDIPARTY:
261		/* Maybe fix this: it is supported now */
262	81	BIO_printf(out, "EdiPartyName:<unsupported>");
263	81	break;
264
265	11.3k	case GEN_EMAIL:
266	11.3k	BIO_printf(out, "email:");
267	11.3k	ASN1_STRING_print(out, gen->d.ia5);
268	11.3k	break;
269
270	5.05k	case GEN_DNS:
271	5.05k	BIO_printf(out, "DNS:");
272	5.05k	ASN1_STRING_print(out, gen->d.ia5);
273	5.05k	break;
274
275	8.17k	case GEN_URI:
276	8.17k	BIO_printf(out, "URI:");
277	8.17k	ASN1_STRING_print(out, gen->d.ia5);
278	8.17k	break;
279
280	25.3k	case GEN_DIRNAME:
281	25.3k	BIO_printf(out, "DirName:");
282	25.3k	X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
283	25.3k	break;
284
285	19.4k	case GEN_IPADD:
286	19.4k	tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
287	19.4k	if (tmp == NULL)
288	0	return 0;
289	19.4k	BIO_printf(out, "IP Address:%s", tmp);
290	19.4k	OPENSSL_free(tmp);
291	19.4k	break;
292
293	6.15k	case GEN_RID:
294	6.15k	BIO_printf(out, "Registered ID:");
295	6.15k	i2a_ASN1_OBJECT(out, gen->d.rid);
296	6.15k	break;
297	82.0k	}
298	82.0k	return 1;
299	82.0k	}
300
301		static GENERAL_NAMES v2i_issuer_alt(X509V3_EXT_METHOD method,
302		X509V3_CTX *ctx,
303		STACK_OF(CONF_VALUE) *nval)
304	3.12k	{
305	3.12k	const int num = sk_CONF_VALUE_num(nval);
306	3.12k	GENERAL_NAMES *gens = sk_GENERAL_NAME_new_reserve(NULL, num);
307	3.12k	int i;
308
309	3.12k	if (gens == NULL) {
310	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
311	0	return NULL;
312	0	}
313	92.1k	for (i = 0; i < num; i++) {
314	90.9k	CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
315
316	90.9k	if (!ossl_v3_name_cmp(cnf->name, "issuer")
317	20.5k	&& cnf->value && strcmp(cnf->value, "copy") == 0) {
318	20.4k	if (!copy_issuer(ctx, gens))
319	1.19k	goto err;
320	70.5k	} else {
321	70.5k	GENERAL_NAME *gen = v2i_GENERAL_NAME(method, ctx, cnf);
322
323	70.5k	if (gen == NULL)
324	771	goto err;
325	69.7k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
326	69.7k	}
327	90.9k	}
328	1.15k	return gens;
329	1.96k	err:
330	1.96k	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
331	1.96k	return NULL;
332	3.12k	}
333
334		/* Append subject altname of issuer to issuer alt name of subject */
335
336		static int copy_issuer(X509V3_CTX ctx, GENERAL_NAMES gens)
337	20.4k	{
338	20.4k	GENERAL_NAMES *ialt = NULL;
339	20.4k	GENERAL_NAME *gen;
340	20.4k	const X509_EXTENSION *ext;
341	20.4k	int i, num;
342
343	20.4k	if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
344	0	return 1;
345	20.4k	if (!ctx \|\| !ctx->issuer_cert) {
346	1.10k	ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_ISSUER_DETAILS);
347	1.10k	goto err;
348	1.10k	}
349	19.3k	i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
350	19.3k	if (i < 0)
351	3.33k	return 1;
352	15.9k	if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
353	15.9k	\|\| (ialt = X509V3_EXT_d2i(ext)) == NULL) {
354	96	ERR_raise(ERR_LIB_X509V3, X509V3_R_ISSUER_DECODE_ERROR);
355	96	goto err;
356	96	}
357
358	15.8k	num = sk_GENERAL_NAME_num(ialt);
359	15.8k	if (!sk_GENERAL_NAME_reserve(gens, num)) {
360	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
361	0	goto err;
362	0	}
363
364	1.12M	for (i = 0; i < num; i++) {
365	1.10M	gen = sk_GENERAL_NAME_value(ialt, i);
366	1.10M	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
367	1.10M	}
368	15.8k	sk_GENERAL_NAME_free(ialt);
369
370	15.8k	return 1;
371
372	1.19k	err:
373	1.19k	sk_GENERAL_NAME_free(ialt);
374	1.19k	return 0;
375	15.8k	}
376
377		static GENERAL_NAMES v2i_subject_alt(X509V3_EXT_METHOD method,
378		X509V3_CTX *ctx,
379		STACK_OF(CONF_VALUE) *nval)
380	1.84k	{
381	1.84k	GENERAL_NAMES *gens;
382	1.84k	CONF_VALUE *cnf;
383	1.84k	const int num = sk_CONF_VALUE_num(nval);
384	1.84k	int i;
385
386	1.84k	gens = sk_GENERAL_NAME_new_reserve(NULL, num);
387	1.84k	if (gens == NULL) {
388	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
389	0	return NULL;
390	0	}
391
392	190k	for (i = 0; i < num; i++) {
393	188k	cnf = sk_CONF_VALUE_value(nval, i);
394	188k	if (ossl_v3_name_cmp(cnf->name, "email") == 0
395	5.71k	&& cnf->value && strcmp(cnf->value, "copy") == 0) {
396	585	if (!copy_email(ctx, gens, 0))
397	71	goto err;
398	188k	} else if (ossl_v3_name_cmp(cnf->name, "email") == 0
399	5.12k	&& cnf->value && strcmp(cnf->value, "move") == 0) {
400	625	if (!copy_email(ctx, gens, 1))
401	54	goto err;
402	187k	} else {
403	187k	GENERAL_NAME *gen;
404	187k	if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
405	529	goto err;
406	187k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
407	187k	}
408	188k	}
409	1.18k	return gens;
410	654	err:
411	654	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
412	654	return NULL;
413	1.84k	}
414
415		/*
416		* Copy any email addresses in a certificate or request to GENERAL_NAMES
417		*/
418
419		static int copy_email(X509V3_CTX ctx, GENERAL_NAMES gens, int move_p)
420	1.21k	{
421	1.21k	const X509_NAME *nm;
422	1.21k	ASN1_IA5STRING *email = NULL;
423	1.21k	X509_NAME_ENTRY *ne;
424	1.21k	GENERAL_NAME *gen = NULL;
425	1.21k	int i = -1;
426
427	1.21k	if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
428	0	return 1;
429	1.21k	if (ctx == NULL
430	1.21k	\|\| (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
431	125	ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_SUBJECT_DETAILS);
432	125	return 0;
433	125	}
434		/* Find the subject name */
435	1.08k	nm = ctx->subject_cert != NULL ? X509_get_subject_name(ctx->subject_cert)
436	1.08k	: X509_REQ_get_subject_name(ctx->subject_req);
437
438		/* Now add any email address(es) to STACK */
439	1.08k	while ((i = X509_NAME_get_index_by_NID(nm,
440	1.08k	NID_pkcs9_emailAddress, i))
441	1.08k	>= 0) {
442	0	if (move_p) {
443		/* We should really not support deleting things in a const object
444		* to rip the pointer out of it. If we truly want a new object
445		* without this in it, we should just construct one without it.
446		*/
447	0	return 0;
448	0	}
449		/* XXX Casts away const */
450	0	ne = (X509_NAME_ENTRY *)X509_NAME_get_entry(nm, i);
451	0	email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
452	0	if (email == NULL \|\| (gen = GENERAL_NAME_new()) == NULL) {
453	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
454	0	goto err;
455	0	}
456	0	gen->d.ia5 = email;
457	0	email = NULL;
458	0	gen->type = GEN_EMAIL;
459	0	if (!sk_GENERAL_NAME_push(gens, gen)) {
460	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
461	0	goto err;
462	0	}
463	0	gen = NULL;
464	0	}
465
466	1.08k	return 1;
467
468	0	err:
469	0	GENERAL_NAME_free(gen);
470	0	ASN1_IA5STRING_free(email);
471	0	return 0;
472	1.08k	}
473
474		GENERAL_NAMES v2i_GENERAL_NAMES(const X509V3_EXT_METHOD method,
475		X509V3_CTX ctx, STACK_OF(CONF_VALUE) nval)
476	10.4k	{
477	10.4k	GENERAL_NAME *gen;
478	10.4k	GENERAL_NAMES *gens;
479	10.4k	CONF_VALUE *cnf;
480	10.4k	const int num = sk_CONF_VALUE_num(nval);
481	10.4k	int i;
482
483	10.4k	gens = sk_GENERAL_NAME_new_reserve(NULL, num);
484	10.4k	if (gens == NULL) {
485	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
486	0	return NULL;
487	0	}
488
489	31.4k	for (i = 0; i < num; i++) {
490	21.1k	cnf = sk_CONF_VALUE_value(nval, i);
491	21.1k	if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
492	42	goto err;
493	21.0k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
494	21.0k	}
495	10.3k	return gens;
496	42	err:
497	42	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
498	42	return NULL;
499	10.4k	}
500
501		GENERAL_NAME v2i_GENERAL_NAME(const X509V3_EXT_METHOD method,
502		X509V3_CTX ctx, CONF_VALUE cnf)
503	355k	{
504	355k	return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
505	355k	}
506
507		GENERAL_NAME a2i_GENERAL_NAME(GENERAL_NAME out,
508		const X509V3_EXT_METHOD *method,
509		X509V3_CTX ctx, int gen_type, const char value,
510		int is_nc)
511	378k	{
512	378k	char is_string = 0;
513	378k	GENERAL_NAME *gen = NULL;
514
515	378k	if (!value) {
516	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
517	0	return NULL;
518	0	}
519
520	378k	if (out)
521	23.9k	gen = out;
522	354k	else {
523	354k	gen = GENERAL_NAME_new();
524	354k	if (gen == NULL) {
525	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
526	0	return NULL;
527	0	}
528	354k	}
529
530	378k	switch (gen_type) {
531	263k	case GEN_URI:
532	290k	case GEN_EMAIL:
533	292k	case GEN_DNS:
534	292k	is_string = 1;
535	292k	break;
536
537	53.8k	case GEN_RID: {
538	53.8k	ASN1_OBJECT *obj;
539	53.8k	if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
540	159	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_OBJECT,
541	159	"value=%s", value);
542	159	goto err;
543	159	}
544	53.6k	gen->d.rid = obj;
545	53.6k	} break;
546
547	3.49k	case GEN_IPADD:
548	3.49k	if (is_nc)
549	1.33k	gen->d.ip = a2i_IPADDRESS_NC(value);
550	2.16k	else
551	2.16k	gen->d.ip = a2i_IPADDRESS(value);
552	3.49k	if (gen->d.ip == NULL) {
553	544	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_IP_ADDRESS,
554	544	"value=%s", value);
555	544	goto err;
556	544	}
557	2.95k	break;
558
559	28.8k	case GEN_DIRNAME:
560	28.8k	if (!do_dirname(gen, value, ctx)) {
561	162	ERR_raise(ERR_LIB_X509V3, X509V3_R_DIRNAME_ERROR);
562	162	goto err;
563	162	}
564	28.7k	break;
565
566	28.7k	case GEN_OTHERNAME:
567	342	if (!do_othername(gen, value, ctx)) {
568	86	ERR_raise(ERR_LIB_X509V3, X509V3_R_OTHERNAME_ERROR);
569	86	goto err;
570	86	}
571	256	break;
572	256	default:
573	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_TYPE);
574	0	goto err;
575	378k	}
576
577	377k	if (is_string) {
578	292k	if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL \|\| !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value, (int)strlen(value))) {
579	0	ASN1_IA5STRING_free(gen->d.ia5);
580	0	gen->d.ia5 = NULL;
581	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
582	0	goto err;
583	0	}
584	292k	}
585
586	377k	gen->type = gen_type;
587
588	377k	return gen;
589
590	951	err:
591	951	if (!out)
592	809	GENERAL_NAME_free(gen);
593	951	return NULL;
594	377k	}
595
596		GENERAL_NAME v2i_GENERAL_NAME_ex(GENERAL_NAME out,
597		const X509V3_EXT_METHOD *method,
598		X509V3_CTX ctx, CONF_VALUE cnf, int is_nc)
599	379k	{
600	379k	int type;
601
602	379k	char name, value;
603
604	379k	name = cnf->name;
605	379k	value = cnf->value;
606
607	379k	if (!value) {
608	433	ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
609	433	return NULL;
610	433	}
611
612	379k	if (!ossl_v3_name_cmp(name, "email"))
613	27.1k	type = GEN_EMAIL;
614	352k	else if (!ossl_v3_name_cmp(name, "URI"))
615	263k	type = GEN_URI;
616	88.5k	else if (!ossl_v3_name_cmp(name, "DNS"))
617	1.71k	type = GEN_DNS;
618	86.8k	else if (!ossl_v3_name_cmp(name, "RID"))
619	53.8k	type = GEN_RID;
620	33.0k	else if (!ossl_v3_name_cmp(name, "IP"))
621	3.49k	type = GEN_IPADD;
622	29.5k	else if (!ossl_v3_name_cmp(name, "dirName"))
623	28.8k	type = GEN_DIRNAME;
624	657	else if (!ossl_v3_name_cmp(name, "otherName"))
625	342	type = GEN_OTHERNAME;
626	315	else {
627	315	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_OPTION,
628	315	"name=%s", name);
629	315	return NULL;
630	315	}
631
632	378k	return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
633	379k	}
634
635		static int do_othername(GENERAL_NAME gen, const char value, X509V3_CTX *ctx)
636	342	{
637	342	char *objtmp = NULL;
638	342	const char *p;
639	342	size_t objlen;
640
641	342	if ((p = strchr(value, ';')) == NULL)
642	6	return 0;
643	336	if ((gen->d.otherName = OTHERNAME_new()) == NULL)
644	0	return 0;
645		/*
646		* Free this up because we will overwrite it. no need to free type_id
647		* because it is static
648		*/
649	336	ASN1_TYPE_free(gen->d.otherName->value);
650	336	if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
651	27	goto err;
652	309	objlen = p - value;
653	309	objtmp = OPENSSL_strndup(value, objlen);
654	309	if (objtmp == NULL)
655	0	goto err;
656	309	gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
657	309	OPENSSL_free(objtmp);
658	309	if (!gen->d.otherName->type_id)
659	53	goto err;
660	256	return 1;
661
662	80	err:
663	80	OTHERNAME_free(gen->d.otherName);
664	80	gen->d.otherName = NULL;
665	80	return 0;
666	309	}
667
668		static int do_dirname(GENERAL_NAME gen, const char value, X509V3_CTX *ctx)
669	28.8k	{
670	28.8k	int ret = 0;
671	28.8k	STACK_OF(CONF_VALUE) *sk = NULL;
672	28.8k	X509_NAME *nm;
673
674	28.8k	if ((nm = X509_NAME_new()) == NULL)
675	0	goto err;
676	28.8k	sk = X509V3_get_section(ctx, value);
677	28.8k	if (!sk) {
678	14	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_SECTION_NOT_FOUND,
679	14	"section=%s", value);
680	14	goto err;
681	14	}
682		/* FIXME: should allow other character types... */
683	28.8k	ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
684	28.8k	if (!ret)
685	148	goto err;
686	28.7k	gen->d.dirn = nm;
687
688	28.8k	err:
689	28.8k	if (ret == 0)
690	162	X509_NAME_free(nm);
691	28.8k	X509V3_section_free(ctx, sk);
692	28.8k	return ret;
693	28.7k	}