Fix some error path logic in i2v_AUTHORITY_INFO_ACCESS and i2v_GENERAL_NAME
[openssl.git] / crypto / x509v3 / v3_bitst.c
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/conf.h>
13 #include <openssl/x509v3.h>
14 #include "ext_dat.h"
15
16 static BIT_STRING_BITNAME ns_cert_type_table[] = {
17     {0, "SSL Client", "client"},
18     {1, "SSL Server", "server"},
19     {2, "S/MIME", "email"},
20     {3, "Object Signing", "objsign"},
21     {4, "Unused", "reserved"},
22     {5, "SSL CA", "sslCA"},
23     {6, "S/MIME CA", "emailCA"},
24     {7, "Object Signing CA", "objCA"},
25     {-1, NULL, NULL}
26 };
27
28 static BIT_STRING_BITNAME key_usage_type_table[] = {
29     {0, "Digital Signature", "digitalSignature"},
30     {1, "Non Repudiation", "nonRepudiation"},
31     {2, "Key Encipherment", "keyEncipherment"},
32     {3, "Data Encipherment", "dataEncipherment"},
33     {4, "Key Agreement", "keyAgreement"},
34     {5, "Certificate Sign", "keyCertSign"},
35     {6, "CRL Sign", "cRLSign"},
36     {7, "Encipher Only", "encipherOnly"},
37     {8, "Decipher Only", "decipherOnly"},
38     {-1, NULL, NULL}
39 };
40
41 const X509V3_EXT_METHOD v3_nscert =
42 EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
43 const X509V3_EXT_METHOD v3_key_usage =
44 EXT_BITSTRING(NID_key_usage, key_usage_type_table);
45
46 STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
47                                           ASN1_BIT_STRING *bits,
48                                           STACK_OF(CONF_VALUE) *ret)
49 {
50     BIT_STRING_BITNAME *bnam;
51     for (bnam = method->usr_data; bnam->lname; bnam++) {
52         if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
53             X509V3_add_value(bnam->lname, NULL, &ret);
54     }
55     return ret;
56 }
57
58 ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
59                                      X509V3_CTX *ctx,
60                                      STACK_OF(CONF_VALUE) *nval)
61 {
62     CONF_VALUE *val;
63     ASN1_BIT_STRING *bs;
64     int i;
65     BIT_STRING_BITNAME *bnam;
66     if ((bs = ASN1_BIT_STRING_new()) == NULL) {
67         X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, ERR_R_MALLOC_FAILURE);
68         return NULL;
69     }
70     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
71         val = sk_CONF_VALUE_value(nval, i);
72         for (bnam = method->usr_data; bnam->lname; bnam++) {
73             if (strcmp(bnam->sname, val->name) == 0
74                 || strcmp(bnam->lname, val->name) == 0) {
75                 if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
76                     X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
77                               ERR_R_MALLOC_FAILURE);
78                     ASN1_BIT_STRING_free(bs);
79                     return NULL;
80                 }
81                 break;
82             }
83         }
84         if (!bnam->lname) {
85             X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
86                       X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
87             X509V3_conf_err(val);
88             ASN1_BIT_STRING_free(bs);
89             return NULL;
90         }
91     }
92     return bs;
93 }