mono/btls/btls-x509-crl.c

   1 //
   2 //  btls-x509-crl.c
   3 //  MonoBtls
   4 //
   5 //  Created by Martin Baulig on 3/23/16.
   6 //  Copyright © 2016 Xamarin. All rights reserved.
   7 //
   8
   9 #include "btls-x509-crl.h"
  10 #include "btls-x509-revoked.h"
  11
  12 struct MonoBtlsX509Crl {
  13         X509_CRL *crl;
  14         CRYPTO_refcount_t references;
  15 };
  16
  17 MonoBtlsX509Crl *
  18 mono_btls_x509_crl_from_data (const void *buf, int len, MonoBtlsX509Format format)
  19 {
  20         MonoBtlsX509Crl *crl;
  21         BIO *bio;
  22
  23         crl = OPENSSL_malloc (sizeof (MonoBtlsX509Crl));
  24         memset (crl, 0, sizeof(MonoBtlsX509Crl));
  25         crl->references = 1;
  26
  27         bio = BIO_new_mem_buf ((void *)buf, len);
  28         switch (format) {
  29                 case MONO_BTLS_X509_FORMAT_DER:
  30                         crl->crl = d2i_X509_CRL_bio (bio, NULL);
  31                         break;
  32                 case MONO_BTLS_X509_FORMAT_PEM:
  33                         crl->crl = PEM_read_bio_X509_CRL (bio, NULL, NULL, NULL);
  34                         break;
  35         }
  36         BIO_free (bio);
  37
  38         if (!crl->crl) {
  39                 OPENSSL_free (crl);
  40                 return NULL;
  41         }
  42
  43         return crl;
  44 }
  45
  46 MonoBtlsX509Crl *
  47 mono_btls_x509_crl_ref (MonoBtlsX509Crl *crl)
  48 {
  49         CRYPTO_refcount_inc (&crl->references);
  50         return crl;
  51 }
  52
  53 int
  54 mono_btls_x509_crl_free (MonoBtlsX509Crl *crl)
  55 {
  56         if (!CRYPTO_refcount_dec_and_test_zero (&crl->references))
  57                 return 0;
  58
  59         X509_CRL_free (crl->crl);
  60         OPENSSL_free (crl);
  61         return 1;
  62 }
  63
  64 MonoBtlsX509Revoked *
  65 mono_btls_x509_crl_get_by_cert (MonoBtlsX509Crl *crl, X509 *x509)
  66 {
  67         X509_REVOKED *revoked;
  68         int ret;
  69
  70         revoked = NULL;
  71         ret = X509_CRL_get0_by_cert (crl->crl, &revoked, x509);
  72         fprintf (stderr, "mono_btls_x509_crl_get_by_cert: %d - %p\n", ret, revoked);
  73
  74         if (!ret || !revoked)
  75                 return NULL;
  76
  77         return mono_btls_x509_revoked_new (crl, revoked);
  78 }
  79
  80 MonoBtlsX509Revoked *
  81 mono_btls_x509_crl_get_by_serial (MonoBtlsX509Crl *crl, void *serial, int len)
  82 {
  83         ASN1_INTEGER si;
  84         X509_REVOKED *revoked;
  85         int ret;
  86
  87         si.type = V_ASN1_INTEGER;
  88         si.length = len;
  89         si.data = serial;
  90
  91         revoked = NULL;
  92         ret = X509_CRL_get0_by_serial (crl->crl, &revoked, &si);
  93         fprintf (stderr, "mono_btls_x509_crl_get_by_serial: %d - %p\n", ret, revoked);
  94
  95         if (!ret || !revoked)
  96                 return NULL;
  97
  98         return mono_btls_x509_revoked_new (crl, revoked);
  99 }
 100
 101 int
 102 mono_btls_x509_crl_get_revoked_count (MonoBtlsX509Crl *crl)
 103 {
 104         STACK_OF(X509_REVOKED) *stack;
 105
 106         stack = X509_CRL_get_REVOKED (crl->crl);
 107         return (int)sk_X509_REVOKED_num (stack);
 108 }
 109
 110 MonoBtlsX509Revoked *
 111 mono_btls_x509_crl_get_revoked (MonoBtlsX509Crl *crl, int index)
 112 {
 113         STACK_OF(X509_REVOKED) *stack;
 114         X509_REVOKED *revoked;
 115
 116         stack = X509_CRL_get_REVOKED (crl->crl);
 117         if ((size_t)index >= sk_X509_REVOKED_num (stack))
 118                 return NULL;
 119
 120         revoked = sk_X509_REVOKED_value (stack, index);
 121         if (!revoked)
 122                 return NULL;
 123
 124         return mono_btls_x509_revoked_new (crl, revoked);
 125 }
 126
 127 int64_t
 128 mono_btls_x509_crl_get_last_update (MonoBtlsX509Crl *crl)
 129 {
 130         return mono_btls_util_asn1_time_to_ticks (X509_CRL_get_lastUpdate (crl->crl));
 131 }
 132
 133 int64_t
 134 mono_btls_x509_crl_get_next_update (MonoBtlsX509Crl *crl)
 135 {
 136         return mono_btls_util_asn1_time_to_ticks (X509_CRL_get_nextUpdate (crl->crl));
 137 }
 138
 139 int64_t
 140 mono_btls_x509_crl_get_version (MonoBtlsX509Crl *crl)
 141 {
 142         return X509_CRL_get_version (crl->crl);
 143 }
 144
 145 MonoBtlsX509Name *
 146 mono_btls_x509_crl_get_issuer (MonoBtlsX509Crl *crl)
 147 {
 148         return mono_btls_x509_name_copy (X509_CRL_get_issuer (crl->crl));
 149 }
 150