| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2012-2017 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (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 <openssl/crypto.h> |
| 12 | #include "internal/cryptlib.h" |
| 13 | #include <openssl/conf.h> |
| 14 | #include <openssl/x509v3.h> |
| 15 | |
| 16 | /* Multi string module: add table entries from a given section */ |
| 17 | |
| 18 | static int do_tcreate(const char *value, const char *name); |
| 19 | |
| 20 | static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf) |
| 21 | { |
| 22 | int i; |
| 23 | const char *stbl_section; |
| 24 | STACK_OF(CONF_VALUE) *sktmp; |
| 25 | CONF_VALUE *mval; |
| 26 | |
| 27 | stbl_section = CONF_imodule_get_value(md); |
| 28 | if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) { |
| 29 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION); |
| 30 | return 0; |
| 31 | } |
| 32 | for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { |
| 33 | mval = sk_CONF_VALUE_value(sktmp, i); |
| 34 | if (!do_tcreate(mval->value, mval->name)) { |
| 35 | ASN1err(ASN1_F_STBL_MODULE_INIT, ASN1_R_INVALID_VALUE); |
| 36 | return 0; |
| 37 | } |
| 38 | } |
| 39 | return 1; |
| 40 | } |
| 41 | |
| 42 | static void stbl_module_finish(CONF_IMODULE *md) |
| 43 | { |
| 44 | ASN1_STRING_TABLE_cleanup(); |
| 45 | } |
| 46 | |
| 47 | void ASN1_add_stable_module(void) |
| 48 | { |
| 49 | CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish); |
| 50 | } |
| 51 | |
| 52 | /* |
| 53 | * Create an table entry based on a name value pair. format is oid_name = |
| 54 | * n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags". |
| 55 | */ |
| 56 | |
| 57 | static int do_tcreate(const char *value, const char *name) |
| 58 | { |
| 59 | char *eptr; |
| 60 | int nid, i, rv = 0; |
| 61 | long tbl_min = -1, tbl_max = -1; |
| 62 | unsigned long tbl_mask = 0, tbl_flags = 0; |
| 63 | STACK_OF(CONF_VALUE) *lst = NULL; |
| 64 | CONF_VALUE *cnf = NULL; |
| 65 | nid = OBJ_sn2nid(name); |
| 66 | if (nid == NID_undef) |
| 67 | nid = OBJ_ln2nid(name); |
| 68 | if (nid == NID_undef) |
| 69 | goto err; |
| 70 | lst = X509V3_parse_list(value); |
| 71 | if (!lst) |
| 72 | goto err; |
| 73 | for (i = 0; i < sk_CONF_VALUE_num(lst); i++) { |
| 74 | cnf = sk_CONF_VALUE_value(lst, i); |
| 75 | if (strcmp(cnf->name, "min") == 0) { |
| 76 | tbl_min = strtoul(cnf->value, &eptr, 0); |
| 77 | if (*eptr) |
| 78 | goto err; |
| 79 | } else if (strcmp(cnf->name, "max") == 0) { |
| 80 | tbl_max = strtoul(cnf->value, &eptr, 0); |
| 81 | if (*eptr) |
| 82 | goto err; |
| 83 | } else if (strcmp(cnf->name, "mask") == 0) { |
| 84 | if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask) |
| 85 | goto err; |
| 86 | } else if (strcmp(cnf->name, "flags") == 0) { |
| 87 | if (strcmp(cnf->value, "nomask") == 0) |
| 88 | tbl_flags = STABLE_NO_MASK; |
| 89 | else if (strcmp(cnf->value, "none") == 0) |
| 90 | tbl_flags = STABLE_FLAGS_CLEAR; |
| 91 | else |
| 92 | goto err; |
| 93 | } else |
| 94 | goto err; |
| 95 | } |
| 96 | rv = 1; |
| 97 | err: |
| 98 | if (rv == 0) { |
| 99 | ASN1err(ASN1_F_DO_TCREATE, ASN1_R_INVALID_STRING_TABLE_VALUE); |
| 100 | if (cnf) |
| 101 | ERR_add_error_data(4, "field=", cnf->name, |
| 102 | ", value=", cnf->value); |
| 103 | else |
| 104 | ERR_add_error_data(4, "name=", name, ", value=", value); |
| 105 | } else { |
| 106 | rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max, |
| 107 | tbl_mask, tbl_flags); |
| 108 | if (!rv) |
| 109 | ASN1err(ASN1_F_DO_TCREATE, ERR_R_MALLOC_FAILURE); |
| 110 | } |
| 111 | sk_CONF_VALUE_pop_free(lst, X509V3_conf_free); |
| 112 | return rv; |
| 113 | } |