diff options
Diffstat (limited to 'openssl/crypto/x509v3/v3_alt.c')
| -rw-r--r-- | openssl/crypto/x509v3/v3_alt.c | 582 |
1 files changed, 582 insertions, 0 deletions
diff --git a/openssl/crypto/x509v3/v3_alt.c b/openssl/crypto/x509v3/v3_alt.c new file mode 100644 index 000000000..58b295247 --- /dev/null +++ b/openssl/crypto/x509v3/v3_alt.c @@ -0,0 +1,582 @@ +/* v3_alt.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/conf.h> +#include <openssl/x509v3.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, char *value, X509V3_CTX *ctx); +static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx); + +const X509V3_EXT_METHOD v3_alt[] = { +{ 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}, +}; + +STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method, + GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret) +{ + int i; + GENERAL_NAME *gen; + for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) { + gen = sk_GENERAL_NAME_value(gens, i); + ret = i2v_GENERAL_NAME(method, gen, ret); + } + if(!ret) 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) +{ + unsigned char *p; + char oline[256], htmp[5]; + int i; + switch (gen->type) + { + case GEN_OTHERNAME: + X509V3_add_value("othername","<unsupported>", &ret); + break; + + case GEN_X400: + X509V3_add_value("X400Name","<unsupported>", &ret); + break; + + case GEN_EDIPARTY: + X509V3_add_value("EdiPartyName","<unsupported>", &ret); + break; + + case GEN_EMAIL: + X509V3_add_value_uchar("email",gen->d.ia5->data, &ret); + break; + + case GEN_DNS: + X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret); + break; + + case GEN_URI: + X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret); + break; + + case GEN_DIRNAME: + X509_NAME_oneline(gen->d.dirn, oline, 256); + X509V3_add_value("DirName",oline, &ret); + break; + + case GEN_IPADD: + p = gen->d.ip->data; + if(gen->d.ip->length == 4) + BIO_snprintf(oline, sizeof oline, + "%d.%d.%d.%d", p[0], p[1], p[2], p[3]); + else if(gen->d.ip->length == 16) + { + oline[0] = 0; + for (i = 0; i < 8; i++) + { + BIO_snprintf(htmp, sizeof htmp, + "%X", p[0] << 8 | p[1]); + p += 2; + strcat(oline, htmp); + if (i != 7) + strcat(oline, ":"); + } + } + else + { + X509V3_add_value("IP Address","<invalid>", &ret); + break; + } + X509V3_add_value("IP Address",oline, &ret); + break; + + case GEN_RID: + i2t_ASN1_OBJECT(oline, 256, gen->d.rid); + X509V3_add_value("Registered ID",oline, &ret); + break; + } + return ret; +} + +int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen) +{ + unsigned char *p; + int i; + switch (gen->type) + { + case GEN_OTHERNAME: + BIO_printf(out, "othername:<unsupported>"); + 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:%s",gen->d.ia5->data); + break; + + case GEN_DNS: + BIO_printf(out, "DNS:%s",gen->d.ia5->data); + break; + + case GEN_URI: + BIO_printf(out, "URI:%s",gen->d.ia5->data); + break; + + case GEN_DIRNAME: + BIO_printf(out, "DirName: "); + X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE); + break; + + case GEN_IPADD: + p = gen->d.ip->data; + if(gen->d.ip->length == 4) + BIO_printf(out, "IP Address:%d.%d.%d.%d", + p[0], p[1], p[2], p[3]); + else if(gen->d.ip->length == 16) + { + BIO_printf(out, "IP Address"); + for (i = 0; i < 8; i++) + { + BIO_printf(out, ":%X", p[0] << 8 | p[1]); + p += 2; + } + BIO_puts(out, "\n"); + } + else + { + BIO_printf(out,"IP Address:<invalid>"); + break; + } + 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) +{ + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + if(!(gens = sk_GENERAL_NAME_new_null())) { + X509V3err(X509V3_F_V2I_ISSUER_ALT,ERR_R_MALLOC_FAILURE); + return NULL; + } + for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if(!name_cmp(cnf->name, "issuer") && cnf->value && + !strcmp(cnf->value, "copy")) { + if(!copy_issuer(ctx, gens)) goto err; + } else { + GENERAL_NAME *gen; + if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) + goto err; + sk_GENERAL_NAME_push(gens, gen); + } + } + 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; + GENERAL_NAME *gen; + X509_EXTENSION *ext; + int i; + if(ctx && (ctx->flags == CTX_TEST)) return 1; + if(!ctx || !ctx->issuer_cert) { + X509V3err(X509V3_F_COPY_ISSUER,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)) || + !(ialt = X509V3_EXT_d2i(ext)) ) { + X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR); + goto err; + } + + for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) { + gen = sk_GENERAL_NAME_value(ialt, i); + if(!sk_GENERAL_NAME_push(gens, gen)) { + X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE); + goto err; + } + } + sk_GENERAL_NAME_free(ialt); + + return 1; + + err: + return 0; + +} + +static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) +{ + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + if(!(gens = sk_GENERAL_NAME_new_null())) { + X509V3err(X509V3_F_V2I_SUBJECT_ALT,ERR_R_MALLOC_FAILURE); + return NULL; + } + for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if(!name_cmp(cnf->name, "email") && cnf->value && + !strcmp(cnf->value, "copy")) { + if(!copy_email(ctx, gens, 0)) goto err; + } else if(!name_cmp(cnf->name, "email") && cnf->value && + !strcmp(cnf->value, "move")) { + if(!copy_email(ctx, gens, 1)) goto err; + } else { + GENERAL_NAME *gen; + if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) + goto err; + sk_GENERAL_NAME_push(gens, gen); + } + } + 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; + if(ctx != NULL && ctx->flags == CTX_TEST) + return 1; + if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) { + X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS); + goto err; + } + /* Find the subject name */ + if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert); + else nm = X509_REQ_get_subject_name(ctx->subject_req); + + /* Now add any email address(es) to STACK */ + i = -1; + while((i = X509_NAME_get_index_by_NID(nm, + NID_pkcs9_emailAddress, i)) >= 0) { + ne = X509_NAME_get_entry(nm, i); + email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne)); + if (move_p) + { + X509_NAME_delete_entry(nm, i); + i--; + } + if(!email || !(gen = GENERAL_NAME_new())) { + X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE); + goto err; + } + gen->d.ia5 = email; + email = NULL; + gen->type = GEN_EMAIL; + if(!sk_GENERAL_NAME_push(gens, gen)) { + X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE); + goto err; + } + gen = NULL; + } + + + return 1; + + err: + GENERAL_NAME_free(gen); + M_ASN1_IA5STRING_free(email); + return 0; + +} + +GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) +{ + GENERAL_NAME *gen; + GENERAL_NAMES *gens = NULL; + CONF_VALUE *cnf; + int i; + if(!(gens = sk_GENERAL_NAME_new_null())) { + X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE); + return NULL; + } + for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { + cnf = sk_CONF_VALUE_value(nval, i); + if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err; + sk_GENERAL_NAME_push(gens, gen); + } + return gens; + err: + sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); + return NULL; +} + +GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, + CONF_VALUE *cnf) + { + return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0); + } + +GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out, + X509V3_EXT_METHOD *method, X509V3_CTX *ctx, + CONF_VALUE *cnf, int is_nc) + { + char is_string = 0; + int type; + GENERAL_NAME *gen = NULL; + + char *name, *value; + + name = cnf->name; + value = cnf->value; + + if(!value) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_MISSING_VALUE); + return NULL; + } + + if (out) + gen = out; + else + { + gen = GENERAL_NAME_new(); + if(gen == NULL) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,ERR_R_MALLOC_FAILURE); + return NULL; + } + } + + if(!name_cmp(name, "email")) + { + is_string = 1; + type = GEN_EMAIL; + } + else if(!name_cmp(name, "URI")) + { + is_string = 1; + type = GEN_URI; + } + else if(!name_cmp(name, "DNS")) + { + is_string = 1; + type = GEN_DNS; + } + else if(!name_cmp(name, "RID")) + { + ASN1_OBJECT *obj; + if(!(obj = OBJ_txt2obj(value,0))) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_BAD_OBJECT); + ERR_add_error_data(2, "value=", value); + goto err; + } + gen->d.rid = obj; + type = GEN_RID; + } + else if(!name_cmp(name, "IP")) + { + if (is_nc) + gen->d.ip = a2i_IPADDRESS_NC(value); + else + gen->d.ip = a2i_IPADDRESS(value); + if(gen->d.ip == NULL) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_BAD_IP_ADDRESS); + ERR_add_error_data(2, "value=", value); + goto err; + } + type = GEN_IPADD; + } + else if(!name_cmp(name, "dirName")) + { + type = GEN_DIRNAME; + if (!do_dirname(gen, value, ctx)) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_DIRNAME_ERROR); + goto err; + } + } + else if(!name_cmp(name, "otherName")) + { + if (!do_othername(gen, value, ctx)) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_OTHERNAME_ERROR); + goto err; + } + type = GEN_OTHERNAME; + } + else + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_UNSUPPORTED_OPTION); + ERR_add_error_data(2, "name=", name); + goto err; + } + + if(is_string) + { + if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) || + !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value, + strlen(value))) + { + X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,ERR_R_MALLOC_FAILURE); + goto err; + } + } + + gen->type = type; + + return gen; + + err: + if (!out) + GENERAL_NAME_free(gen); + return NULL; + } + +static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx) + { + char *objtmp = NULL, *p; + int objlen; + if (!(p = strchr(value, ';'))) + return 0; + if (!(gen->d.otherName = OTHERNAME_new())) + 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))) + return 0; + objlen = p - value; + objtmp = OPENSSL_malloc(objlen + 1); + strncpy(objtmp, value, objlen); + objtmp[objlen] = 0; + gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0); + OPENSSL_free(objtmp); + if (!gen->d.otherName->type_id) + return 0; + return 1; + } + +static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx) + { + int ret; + STACK_OF(CONF_VALUE) *sk; + X509_NAME *nm; + if (!(nm = X509_NAME_new())) + return 0; + sk = X509V3_get_section(ctx, value); + if (!sk) + { + X509V3err(X509V3_F_DO_DIRNAME,X509V3_R_SECTION_NOT_FOUND); + ERR_add_error_data(2, "section=", value); + X509_NAME_free(nm); + return 0; + } + /* FIXME: should allow other character types... */ + ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC); + if (!ret) + X509_NAME_free(nm); + gen->d.dirn = nm; + + return ret; + } |