| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 1999-2016 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 "internal/cryptlib.h" |
| 12 | #include <openssl/asn1.h> |
| 13 | #include <openssl/asn1t.h> |
| 14 | #include <openssl/conf.h> |
| 15 | #include <openssl/x509v3.h> |
| 16 | #include "ext_dat.h" |
| 17 | |
| 18 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
| 19 | BASIC_CONSTRAINTS *bcons, |
| 20 | STACK_OF(CONF_VALUE) |
| 21 | *extlist); |
| 22 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
| 23 | X509V3_CTX *ctx, |
| 24 | STACK_OF(CONF_VALUE) *values); |
| 25 | |
| 26 | const X509V3_EXT_METHOD v3_bcons = { |
| 27 | NID_basic_constraints, 0, |
| 28 | ASN1_ITEM_ref(BASIC_CONSTRAINTS), |
| 29 | 0, 0, 0, 0, |
| 30 | 0, 0, |
| 31 | (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS, |
| 32 | (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS, |
| 33 | NULL, NULL, |
| 34 | NULL |
| 35 | }; |
| 36 | |
| 37 | ASN1_SEQUENCE(BASIC_CONSTRAINTS) = { |
| 38 | ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN), |
| 39 | ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER) |
| 40 | } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS) |
| 41 | |
| 42 | IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS) |
| 43 | |
| 44 | static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
| 45 | BASIC_CONSTRAINTS *bcons, |
| 46 | STACK_OF(CONF_VALUE) |
| 47 | *extlist) |
| 48 | { |
| 49 | X509V3_add_value_bool("CA", bcons->ca, &extlist); |
| 50 | X509V3_add_value_int("pathlen", bcons->pathlen, &extlist); |
| 51 | return extlist; |
| 52 | } |
| 53 | |
| 54 | static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
| 55 | X509V3_CTX *ctx, |
| 56 | STACK_OF(CONF_VALUE) *values) |
| 57 | { |
| 58 | BASIC_CONSTRAINTS *bcons = NULL; |
| 59 | CONF_VALUE *val; |
| 60 | int i; |
| 61 | |
| 62 | if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) { |
| 63 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE); |
| 64 | return NULL; |
| 65 | } |
| 66 | for (i = 0; i < sk_CONF_VALUE_num(values); i++) { |
| 67 | val = sk_CONF_VALUE_value(values, i); |
| 68 | if (strcmp(val->name, "CA") == 0) { |
| 69 | if (!X509V3_get_value_bool(val, &bcons->ca)) |
| 70 | goto err; |
| 71 | } else if (strcmp(val->name, "pathlen") == 0) { |
| 72 | if (!X509V3_get_value_int(val, &bcons->pathlen)) |
| 73 | goto err; |
| 74 | } else { |
| 75 | X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME); |
| 76 | X509V3_conf_err(val); |
| 77 | goto err; |
| 78 | } |
| 79 | } |
| 80 | return bcons; |
| 81 | err: |
| 82 | BASIC_CONSTRAINTS_free(bcons); |
| 83 | return NULL; |
| 84 | } |