/src/openssl34/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);
        sk_GENERAL_NAME_free(gens);
        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;
    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);
        sk_GENERAL_NAME_free(gens);
        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)
{
    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) {
        ne = X509_NAME_get_entry(nm, i);
        email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
        if (move_p) {
            X509_NAME_delete_entry(nm, i);
            X509_NAME_ENTRY_free(ne);
            i--;
        }
        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);
        sk_GENERAL_NAME_free(gens);
        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, 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;
    int 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	sk_GENERAL_NAME_free(gens);
312	0	return NULL;
313	0	}
314	92.1k	for (i = 0; i < num; i++) {
315	90.9k	CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
316
317	90.9k	if (!ossl_v3_name_cmp(cnf->name, "issuer")
318	20.5k	&& cnf->value && strcmp(cnf->value, "copy") == 0) {
319	20.4k	if (!copy_issuer(ctx, gens))
320	1.19k	goto err;
321	70.5k	} else {
322	70.5k	GENERAL_NAME *gen = v2i_GENERAL_NAME(method, ctx, cnf);
323
324	70.5k	if (gen == NULL)
325	771	goto err;
326	69.7k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
327	69.7k	}
328	90.9k	}
329	1.15k	return gens;
330	1.96k	err:
331	1.96k	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
332	1.96k	return NULL;
333	3.12k	}
334
335		/* Append subject altname of issuer to issuer alt name of subject */
336
337		static int copy_issuer(X509V3_CTX ctx, GENERAL_NAMES gens)
338	20.4k	{
339	20.4k	GENERAL_NAMES *ialt = NULL;
340	20.4k	GENERAL_NAME *gen;
341	20.4k	X509_EXTENSION *ext;
342	20.4k	int i, num;
343
344	20.4k	if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
345	0	return 1;
346	20.4k	if (!ctx \|\| !ctx->issuer_cert) {
347	1.10k	ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_ISSUER_DETAILS);
348	1.10k	goto err;
349	1.10k	}
350	19.3k	i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
351	19.3k	if (i < 0)
352	3.33k	return 1;
353	15.9k	if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
354	15.9k	\|\| (ialt = X509V3_EXT_d2i(ext)) == NULL) {
355	96	ERR_raise(ERR_LIB_X509V3, X509V3_R_ISSUER_DECODE_ERROR);
356	96	goto err;
357	96	}
358
359	15.8k	num = sk_GENERAL_NAME_num(ialt);
360	15.8k	if (!sk_GENERAL_NAME_reserve(gens, num)) {
361	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
362	0	goto err;
363	0	}
364
365	1.12M	for (i = 0; i < num; i++) {
366	1.10M	gen = sk_GENERAL_NAME_value(ialt, i);
367	1.10M	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
368	1.10M	}
369	15.8k	sk_GENERAL_NAME_free(ialt);
370
371	15.8k	return 1;
372
373	1.19k	err:
374	1.19k	sk_GENERAL_NAME_free(ialt);
375	1.19k	return 0;
376	15.8k	}
377
378		static GENERAL_NAMES v2i_subject_alt(X509V3_EXT_METHOD method,
379		X509V3_CTX *ctx,
380		STACK_OF(CONF_VALUE) *nval)
381	1.84k	{
382	1.84k	GENERAL_NAMES *gens;
383	1.84k	CONF_VALUE *cnf;
384	1.84k	const int num = sk_CONF_VALUE_num(nval);
385	1.84k	int i;
386
387	1.84k	gens = sk_GENERAL_NAME_new_reserve(NULL, num);
388	1.84k	if (gens == NULL) {
389	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
390	0	sk_GENERAL_NAME_free(gens);
391	0	return NULL;
392	0	}
393
394	190k	for (i = 0; i < num; i++) {
395	188k	cnf = sk_CONF_VALUE_value(nval, i);
396	188k	if (ossl_v3_name_cmp(cnf->name, "email") == 0
397	5.71k	&& cnf->value && strcmp(cnf->value, "copy") == 0) {
398	585	if (!copy_email(ctx, gens, 0))
399	71	goto err;
400	188k	} else if (ossl_v3_name_cmp(cnf->name, "email") == 0
401	5.12k	&& cnf->value && strcmp(cnf->value, "move") == 0) {
402	625	if (!copy_email(ctx, gens, 1))
403	54	goto err;
404	187k	} else {
405	187k	GENERAL_NAME *gen;
406	187k	if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
407	529	goto err;
408	187k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
409	187k	}
410	188k	}
411	1.18k	return gens;
412	654	err:
413	654	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
414	654	return NULL;
415	1.84k	}
416
417		/*
418		* Copy any email addresses in a certificate or request to GENERAL_NAMES
419		*/
420
421		static int copy_email(X509V3_CTX ctx, GENERAL_NAMES gens, int move_p)
422		{
423		X509_NAME *nm;
424		ASN1_IA5STRING *email = NULL;
425		X509_NAME_ENTRY *ne;
426		GENERAL_NAME *gen = NULL;
427		int i = -1;
428
429		if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
430		return 1;
431		if (ctx == NULL
432		\|\| (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
433		ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_SUBJECT_DETAILS);
434		return 0;
435		}
436		/* Find the subject name */
437		nm = ctx->subject_cert != NULL ? X509_get_subject_name(ctx->subject_cert) : X509_REQ_get_subject_name(ctx->subject_req);
438
439		/* Now add any email address(es) to STACK */
440		while ((i = X509_NAME_get_index_by_NID(nm,
441		NID_pkcs9_emailAddress, i))
442		>= 0) {
443		ne = X509_NAME_get_entry(nm, i);
444		email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
445		if (move_p) {
446		X509_NAME_delete_entry(nm, i);
447		X509_NAME_ENTRY_free(ne);
448		i--;
449		}
450		if (email == NULL \|\| (gen = GENERAL_NAME_new()) == NULL) {
451		ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
452		goto err;
453		}
454		gen->d.ia5 = email;
455		email = NULL;
456		gen->type = GEN_EMAIL;
457		if (!sk_GENERAL_NAME_push(gens, gen)) {
458		ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
459		goto err;
460		}
461		gen = NULL;
462		}
463
464		return 1;
465
466		err:
467		GENERAL_NAME_free(gen);
468		ASN1_IA5STRING_free(email);
469		return 0;
470		}
471
472		GENERAL_NAMES v2i_GENERAL_NAMES(const X509V3_EXT_METHOD method,
473		X509V3_CTX ctx, STACK_OF(CONF_VALUE) nval)
474	10.4k	{
475	10.4k	GENERAL_NAME *gen;
476	10.4k	GENERAL_NAMES *gens;
477	10.4k	CONF_VALUE *cnf;
478	10.4k	const int num = sk_CONF_VALUE_num(nval);
479	10.4k	int i;
480
481	10.4k	gens = sk_GENERAL_NAME_new_reserve(NULL, num);
482	10.4k	if (gens == NULL) {
483	0	ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
484	0	sk_GENERAL_NAME_free(gens);
485	0	return NULL;
486	0	}
487
488	31.4k	for (i = 0; i < num; i++) {
489	21.1k	cnf = sk_CONF_VALUE_value(nval, i);
490	21.1k	if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
491	42	goto err;
492	21.0k	sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
493	21.0k	}
494	10.3k	return gens;
495	42	err:
496	42	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
497	42	return NULL;
498	10.4k	}
499
500		GENERAL_NAME v2i_GENERAL_NAME(const X509V3_EXT_METHOD method,
501		X509V3_CTX ctx, CONF_VALUE cnf)
502	355k	{
503	355k	return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
504	355k	}
505
506		GENERAL_NAME a2i_GENERAL_NAME(GENERAL_NAME out,
507		const X509V3_EXT_METHOD *method,
508		X509V3_CTX ctx, int gen_type, const char value,
509		int is_nc)
510	378k	{
511	378k	char is_string = 0;
512	378k	GENERAL_NAME *gen = NULL;
513
514	378k	if (!value) {
515	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
516	0	return NULL;
517	0	}
518
519	378k	if (out)
520	23.9k	gen = out;
521	354k	else {
522	354k	gen = GENERAL_NAME_new();
523	354k	if (gen == NULL) {
524	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
525	0	return NULL;
526	0	}
527	354k	}
528
529	378k	switch (gen_type) {
530	263k	case GEN_URI:
531	290k	case GEN_EMAIL:
532	292k	case GEN_DNS:
533	292k	is_string = 1;
534	292k	break;
535
536	53.8k	case GEN_RID: {
537	53.8k	ASN1_OBJECT *obj;
538	53.8k	if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
539	159	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_OBJECT,
540	159	"value=%s", value);
541	159	goto err;
542	159	}
543	53.6k	gen->d.rid = obj;
544	53.6k	} break;
545
546	3.49k	case GEN_IPADD:
547	3.49k	if (is_nc)
548	1.33k	gen->d.ip = a2i_IPADDRESS_NC(value);
549	2.16k	else
550	2.16k	gen->d.ip = a2i_IPADDRESS(value);
551	3.49k	if (gen->d.ip == NULL) {
552	544	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_IP_ADDRESS,
553	544	"value=%s", value);
554	544	goto err;
555	544	}
556	2.95k	break;
557
558	28.8k	case GEN_DIRNAME:
559	28.8k	if (!do_dirname(gen, value, ctx)) {
560	162	ERR_raise(ERR_LIB_X509V3, X509V3_R_DIRNAME_ERROR);
561	162	goto err;
562	162	}
563	28.7k	break;
564
565	28.7k	case GEN_OTHERNAME:
566	342	if (!do_othername(gen, value, ctx)) {
567	86	ERR_raise(ERR_LIB_X509V3, X509V3_R_OTHERNAME_ERROR);
568	86	goto err;
569	86	}
570	256	break;
571	256	default:
572	0	ERR_raise(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_TYPE);
573	0	goto err;
574	378k	}
575
576	377k	if (is_string) {
577	292k	if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL \|\| !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value, strlen(value))) {
578	0	ASN1_IA5STRING_free(gen->d.ia5);
579	0	gen->d.ia5 = NULL;
580	0	ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
581	0	goto err;
582	0	}
583	292k	}
584
585	377k	gen->type = gen_type;
586
587	377k	return gen;
588
589	951	err:
590	951	if (!out)
591	809	GENERAL_NAME_free(gen);
592	951	return NULL;
593	377k	}
594
595		GENERAL_NAME v2i_GENERAL_NAME_ex(GENERAL_NAME out,
596		const X509V3_EXT_METHOD *method,
597		X509V3_CTX ctx, CONF_VALUE cnf, int is_nc)
598	379k	{
599	379k	int type;
600
601	379k	char name, value;
602
603	379k	name = cnf->name;
604	379k	value = cnf->value;
605
606	379k	if (!value) {
607	433	ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
608	433	return NULL;
609	433	}
610
611	379k	if (!ossl_v3_name_cmp(name, "email"))
612	27.1k	type = GEN_EMAIL;
613	352k	else if (!ossl_v3_name_cmp(name, "URI"))
614	263k	type = GEN_URI;
615	88.5k	else if (!ossl_v3_name_cmp(name, "DNS"))
616	1.71k	type = GEN_DNS;
617	86.8k	else if (!ossl_v3_name_cmp(name, "RID"))
618	53.8k	type = GEN_RID;
619	33.0k	else if (!ossl_v3_name_cmp(name, "IP"))
620	3.49k	type = GEN_IPADD;
621	29.5k	else if (!ossl_v3_name_cmp(name, "dirName"))
622	28.8k	type = GEN_DIRNAME;
623	657	else if (!ossl_v3_name_cmp(name, "otherName"))
624	342	type = GEN_OTHERNAME;
625	315	else {
626	315	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_OPTION,
627	315	"name=%s", name);
628	315	return NULL;
629	315	}
630
631	378k	return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
632	379k	}
633
634		static int do_othername(GENERAL_NAME gen, const char value, X509V3_CTX *ctx)
635	342	{
636	342	char *objtmp = NULL;
637	342	const char *p;
638	342	int objlen;
639
640	342	if ((p = strchr(value, ';')) == NULL)
641	6	return 0;
642	336	if ((gen->d.otherName = OTHERNAME_new()) == NULL)
643	0	return 0;
644		/*
645		* Free this up because we will overwrite it. no need to free type_id
646		* because it is static
647		*/
648	336	ASN1_TYPE_free(gen->d.otherName->value);
649	336	if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
650	27	goto err;
651	309	objlen = p - value;
652	309	objtmp = OPENSSL_strndup(value, objlen);
653	309	if (objtmp == NULL)
654	0	goto err;
655	309	gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
656	309	OPENSSL_free(objtmp);
657	309	if (!gen->d.otherName->type_id)
658	53	goto err;
659	256	return 1;
660
661	80	err:
662	80	OTHERNAME_free(gen->d.otherName);
663	80	gen->d.otherName = NULL;
664	80	return 0;
665	309	}
666
667		static int do_dirname(GENERAL_NAME gen, const char value, X509V3_CTX *ctx)
668	28.8k	{
669	28.8k	int ret = 0;
670	28.8k	STACK_OF(CONF_VALUE) *sk = NULL;
671	28.8k	X509_NAME *nm;
672
673	28.8k	if ((nm = X509_NAME_new()) == NULL)
674	0	goto err;
675	28.8k	sk = X509V3_get_section(ctx, value);
676	28.8k	if (!sk) {
677	14	ERR_raise_data(ERR_LIB_X509V3, X509V3_R_SECTION_NOT_FOUND,
678	14	"section=%s", value);
679	14	goto err;
680	14	}
681		/* FIXME: should allow other character types... */
682	28.8k	ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
683	28.8k	if (!ret)
684	148	goto err;
685	28.7k	gen->d.dirn = nm;
686
687	28.8k	err:
688	28.8k	if (ret == 0)
689	162	X509_NAME_free(nm);
690	28.8k	X509V3_section_free(ctx, sk);
691	28.8k	return ret;
692	28.7k	}