/* v3_alt.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * 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
*/
#include <stdio.h>
-#include <stdlib.h>
-#include <pem.h>
-#include <asn1_mac.h>
-#include <err.h>
-#include <objects.h>
-#include <conf.h>
-#include "x509v3.h"
-
-#ifndef NOPROTO
-static STACK *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method, STACK *gen);
-static STACK *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *values);
-#endif
-
-X509V3_EXT_METHOD v3_alt[] = {
-{ NID_subject_alt_name, 0,
-(X509V3_EXT_NEW)GENERAL_NAMES_new,
-GENERAL_NAMES_free,
-(X509V3_EXT_D2I)d2i_GENERAL_NAMES,
-i2d_GENERAL_NAMES,
-NULL, NULL,
+#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)NULL /*v2i_GENERAL_NAMES*/,
-NULL, NULL},
-{ NID_issuer_alt_name, 0,
-(X509V3_EXT_NEW)GENERAL_NAMES_new,
-GENERAL_NAMES_free,
-(X509V3_EXT_D2I)d2i_GENERAL_NAMES,
-i2d_GENERAL_NAMES,
-NULL, NULL,
+(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,
-(X509V3_EXT_V2I)NULL /*v2i_GENERAL_NAMES*/,
-NULL, NULL},
-EXT_END
+NULL, NULL, NULL, NULL},
};
-static STACK *i2v_GENERAL_NAMES(method, gens)
-X509V3_EXT_METHOD *method;
-STACK *gens;
+STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
+ GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
{
int i;
- STACK *ret = NULL;
GENERAL_NAME *gen;
- for(i = 0; i < sk_num(gens); i++) {
- gen = (GENERAL_NAME *)sk_value(gens, i);
- switch (gen->type)
- {
- case GEN_OTHERNAME:
+ 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:
+ case GEN_X400:
X509V3_add_value("X400Name","<unsupported>", &ret);
break;
- case GEN_EDIPARTY:
+ case GEN_EDIPARTY:
X509V3_add_value("EdiPartyName","<unsupported>", &ret);
- break;
+ break;
- case GEN_EMAIL:
- X509V3_add_value("email",gen->d.ia5->data, &ret);
+ case GEN_EMAIL:
+ X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
break;
- case GEN_DNS:
- X509V3_add_value("DNS",gen->d.ia5->data, &ret);
+ case GEN_DNS:
+ X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
break;
- case GEN_URI:
- X509V3_add_value("URI",gen->d.ia5->data, &ret);
- break;
+ case GEN_URI:
+ X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
+ break;
- case GEN_IPADD:
- X509V3_add_value("IP Address","<unsupported>", &ret);
- break;
+ case GEN_DIRNAME:
+ X509_NAME_oneline(gen->d.dirn, oline, 256);
+ X509V3_add_value("DirName",oline, &ret);
+ break;
- case GEN_RID:
- X509V3_add_value("Registered ID","<unsupported>", &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);
+ X509_NAME_ENTRY_free(ne);
+ 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(const 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(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, char *value, int is_nc)
+ {
+ char is_string = 0;
+ GENERAL_NAME *gen = NULL;
+
+ if(!value)
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
+ return NULL;
+ }
+
+ if (out)
+ gen = out;
+ else
+ {
+ gen = GENERAL_NAME_new();
+ if(gen == NULL)
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
+ 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)))
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
+ ERR_add_error_data(2, "value=", value);
+ goto err;
+ }
+ gen->d.rid = obj;
+ }
+
+ 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)
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
+ ERR_add_error_data(2, "value=", value);
+ goto err;
+ }
+ break;
+
+ case GEN_DIRNAME:
+ if (!do_dirname(gen, value, ctx))
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_DIRNAME_ERROR);
+ goto err;
+ }
+ break;
+
+ case GEN_OTHERNAME:
+ if (!do_othername(gen, value, ctx))
+ {
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_OTHERNAME_ERROR);
+ goto err;
+ }
+ default:
+ X509V3err(X509V3_F_A2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_TYPE);
+ 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_A2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
+ 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)
+ {
+ X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_MISSING_VALUE);
+ return NULL;
+ }
+
+ if(!name_cmp(name, "email"))
+ type = GEN_EMAIL;
+ else if(!name_cmp(name, "URI"))
+ type = GEN_URI;
+ else if(!name_cmp(name, "DNS"))
+ type = GEN_DNS;
+ else if(!name_cmp(name, "RID"))
+ type = GEN_RID;
+ else if(!name_cmp(name, "IP"))
+ type = GEN_IPADD;
+ else if(!name_cmp(name, "dirName"))
+ type = GEN_DIRNAME;
+ else if(!name_cmp(name, "otherName"))
+ type = GEN_OTHERNAME;
+ else
+ {
+ X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_UNSUPPORTED_OPTION);
+ ERR_add_error_data(2, "name=", name);
+ return NULL;
+ }
+
+ return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
+
+ }
+
+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;
+ X509V3_section_free(ctx, sk);
+
+ return ret;
+ }
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