crypto/pkcs12/p12_attr.c

   1 /*
   2  * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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/pkcs12.h>
  13 #include "p12_local.h"
  14
  15 /* Add a local keyid to a safebag */
  16
  17 int PKCS12_add_localkeyid(PKCS12_SAFEBAG *bag, unsigned char *name,
  18                           int namelen)
  19 {
  20     if (X509at_add1_attr_by_NID(&bag->attrib, NID_localKeyID,
  21                                 V_ASN1_OCTET_STRING, name, namelen) != NULL)
  22         return 1;
  23     else
  24         return 0;
  25 }
  26
  27 /* Add key usage to PKCS#8 structure */
  28
  29 int PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage)
  30 {
  31     unsigned char us_val = (unsigned char)usage;
  32     return PKCS8_pkey_add1_attr_by_NID(p8, NID_key_usage,
  33                                        V_ASN1_BIT_STRING, &us_val, 1);
  34 }
  35
  36 /* Add a friendlyname to a safebag */
  37
  38 int PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name,
  39                                 int namelen)
  40 {
  41     if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
  42                                 MBSTRING_ASC, (unsigned char *)name, namelen) != NULL)
  43         return 1;
  44     else
  45         return 0;
  46 }
  47
  48 int PKCS12_add_friendlyname_utf8(PKCS12_SAFEBAG *bag, const char *name,
  49                                 int namelen)
  50 {
  51     if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
  52                                 MBSTRING_UTF8, (unsigned char *)name, namelen) != NULL)
  53         return 1;
  54     else
  55         return 0;
  56 }
  57
  58 int PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag,
  59                                 const unsigned char *name, int namelen)
  60 {
  61     if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
  62                                 MBSTRING_BMP, name, namelen) != NULL)
  63         return 1;
  64     else
  65         return 0;
  66 }
  67
  68 int PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
  69 {
  70     if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
  71                                 MBSTRING_ASC, (unsigned char *)name, namelen) != NULL)
  72         return 1;
  73     else
  74         return 0;
  75 }
  76
  77 int PKCS12_add1_attr_by_NID(PKCS12_SAFEBAG *bag, int nid, int type,
  78                             const unsigned char *bytes, int len)
  79 {
  80     if (X509at_add1_attr_by_NID(&bag->attrib, nid, type, bytes, len) != NULL)
  81         return 1;
  82     else
  83         return 0;
  84 }
  85
  86 int PKCS12_add1_attr_by_txt(PKCS12_SAFEBAG *bag, const char *attrname, int type,
  87                             const unsigned char *bytes, int len)
  88 {
  89     if (X509at_add1_attr_by_txt(&bag->attrib, attrname, type, bytes, len) != NULL)
  90         return 1;
  91     else
  92         return 0;
  93 }
  94
  95 ASN1_TYPE *PKCS12_get_attr_gen(const STACK_OF(X509_ATTRIBUTE) *attrs,
  96                                int attr_nid)
  97 {
  98     int i = X509at_get_attr_by_NID(attrs, attr_nid, -1);
  99
 100     if (i < 0)
 101         return NULL;
 102     return X509_ATTRIBUTE_get0_type(X509at_get_attr(attrs, i), 0);
 103 }
 104
 105 char *PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
 106 {
 107     const ASN1_TYPE *atype;
 108
 109     if ((atype = PKCS12_SAFEBAG_get0_attr(bag, NID_friendlyName)) == NULL)
 110         return NULL;
 111     if (atype->type != V_ASN1_BMPSTRING)
 112         return NULL;
 113     return OPENSSL_uni2utf8(atype->value.bmpstring->data,
 114                             atype->value.bmpstring->length);
 115 }
 116
 117 const STACK_OF(X509_ATTRIBUTE) *
 118 PKCS12_SAFEBAG_get0_attrs(const PKCS12_SAFEBAG *bag)
 119 {
 120     return bag->attrib;
 121 }