/* char *value: Value */
static X509_EXTENSION *
do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid, int crit, char *value)
{
const X509V3_EXT_METHOD *method;
X509_EXTENSION *ext;
STACK_OF(CONF_VALUE) *nval;
void *ext_struc;
if (ext_nid == NID_undef) {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_UNKNOWN_EXTENSION_NAME);
return NULL;
}
if (!(method = X509V3_EXT_get_nid(ext_nid))) {
X509V3err(X509V3_F_DO_EXT_NCONF, X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
/* Now get internal extension representation based on type */
if (method->v2i) {
if (*value == '@')
nval = NCONF_get_section(conf, value + 1);
else
nval = X509V3_parse_list(value);
if (sk_CONF_VALUE_num(nval) <= 0) {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_INVALID_EXTENSION_STRING);
ERR_asprintf_error_data("name=%s,section=%s",
OBJ_nid2sn(ext_nid), value);
return NULL;
}
ext_struc = method->v2i(method, ctx, nval);
if (*value != '@')
sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
if (!ext_struc)
return NULL;
} else if (method->s2i) {
if (!(ext_struc = method->s2i(method, ctx, value)))
return NULL;
} else if (method->r2i) {
if (!ctx->db || !ctx->db_meth) {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_NO_CONFIG_DATABASE);
return NULL;
}
if (!(ext_struc = method->r2i(method, ctx, value)))
return NULL;
} else {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
ERR_asprintf_error_data("name=%s", OBJ_nid2sn(ext_nid));
return NULL;
}
ext = do_ext_i2d(method, ext_nid, crit, ext_struc);
if (method->it)
ASN1_item_free(ext_struc, ASN1_ITEM_ptr(method->it));
else
method->ext_free(ext_struc);
return ext;
}
X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
{
const X509V3_EXT_METHOD *method;
if (!(method = X509V3_EXT_get_nid(ext_nid))) {
OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
return do_ext_i2d(method, ext_nid, crit, ext_struc);
}
X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
{
X509V3_EXT_METHOD *method;
if (!(method = X509V3_EXT_get_nid(ext_nid))) {
X509V3err(X509V3_F_X509V3_EXT_I2D,X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
return do_ext_i2d(method, ext_nid, crit, ext_struc);
}
/* char *value: Value */
static X509_EXTENSION *do_ext_conf(LHASH *conf, X509V3_CTX *ctx, int ext_nid,
int crit, char *value)
{
X509V3_EXT_METHOD *method;
X509_EXTENSION *ext;
STACK_OF(CONF_VALUE) *nval;
void *ext_struc;
if(ext_nid == NID_undef) {
X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
return NULL;
}
if(!(method = X509V3_EXT_get_nid(ext_nid))) {
X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
/* Now get internal extension representation based on type */
if(method->v2i) {
if(*value == '@') nval = CONF_get_section(conf, value + 1);
else nval = X509V3_parse_list(value);
if(!nval) {
X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_INVALID_EXTENSION_STRING);
ERR_add_error_data(4, "name=", OBJ_nid2sn(ext_nid), ",section=", value);
return NULL;
}
ext_struc = method->v2i(method, ctx, nval);
if(*value != '@') sk_CONF_VALUE_pop_free(nval,
X509V3_conf_free);
if(!ext_struc) return NULL;
} else if(method->s2i) {
if(!(ext_struc = method->s2i(method, ctx, value))) return NULL;
} else if(method->r2i) {
if(!ctx->db) {
X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_NO_CONFIG_DATABASE);
return NULL;
}
if(!(ext_struc = method->r2i(method, ctx, value))) return NULL;
} else {
X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
ERR_add_error_data(2, "name=", OBJ_nid2sn(ext_nid));
return NULL;
}
ext = do_ext_i2d(method, ext_nid, crit, ext_struc);
method->ext_free(ext_struc);
return ext;
}