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113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*
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* Copyright 2012-2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <openssl/crypto.h>
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#include "internal/cryptlib.h"
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#include <openssl/conf.h>
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#include <openssl/x509v3.h>
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/* Multi string module: add table entries from a given section */
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static int do_tcreate(const char *value, const char *name);
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static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf)
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{
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int i;
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const char *stbl_section;
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STACK_OF(CONF_VALUE) *sktmp;
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CONF_VALUE *mval;
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stbl_section = CONF_imodule_get_value(md);
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if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) {
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ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);
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return 0;
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}
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for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
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mval = sk_CONF_VALUE_value(sktmp, i);
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if (!do_tcreate(mval->value, mval->name)) {
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ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_INVALID_VALUE);
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return 0;
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}
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}
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return 1;
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}
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static void stbl_module_finish(CONF_IMODULE *md)
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{
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ASN1_STRING_TABLE_cleanup();
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}
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void ASN1_add_stable_module(void)
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{
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CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish);
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}
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/*
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* Create an table entry based on a name value pair. format is oid_name =
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* n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags".
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*/
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static int do_tcreate(const char *value, const char *name)
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{
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char *eptr;
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int nid, i, rv = 0;
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long tbl_min = -1, tbl_max = -1;
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unsigned long tbl_mask = 0, tbl_flags = 0;
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STACK_OF(CONF_VALUE) *lst = NULL;
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CONF_VALUE *cnf = NULL;
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nid = OBJ_sn2nid(name);
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if (nid == NID_undef)
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nid = OBJ_ln2nid(name);
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if (nid == NID_undef)
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goto err;
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lst = X509V3_parse_list(value);
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if (!lst)
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goto err;
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for (i = 0; i < sk_CONF_VALUE_num(lst); i++) {
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cnf = sk_CONF_VALUE_value(lst, i);
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if (strcmp(cnf->name, "min") == 0) {
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tbl_min = strtoul(cnf->value, &eptr, 0);
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if (*eptr)
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goto err;
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} else if (strcmp(cnf->name, "max") == 0) {
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tbl_max = strtoul(cnf->value, &eptr, 0);
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if (*eptr)
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goto err;
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} else if (strcmp(cnf->name, "mask") == 0) {
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if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask)
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goto err;
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} else if (strcmp(cnf->name, "flags") == 0) {
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if (strcmp(cnf->value, "nomask") == 0)
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tbl_flags = STABLE_NO_MASK;
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else if (strcmp(cnf->value, "none") == 0)
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tbl_flags = STABLE_FLAGS_CLEAR;
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else
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goto err;
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} else
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goto err;
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}
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rv = 1;
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err:
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if (rv == 0) {
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ASN1err(ASN1_F_DO_TCREATE, ASN1_R_INVALID_STRING_TABLE_VALUE);
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if (cnf)
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ERR_add_error_data(4, "field=", cnf->name,
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", value=", cnf->value);
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else
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ERR_add_error_data(4, "name=", name, ", value=", value);
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} else {
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rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max,
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tbl_mask, tbl_flags);
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if (!rv)
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ASN1err(ASN1_F_DO_TCREATE, ERR_R_MALLOC_FAILURE);
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}
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sk_CONF_VALUE_pop_free(lst, X509V3_conf_free);
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return rv;
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}
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