printcert/printcert.c

   1 #include "rfc3280.h"
   2
   3 #include "util.h"
   4
   5 static void print_attribute_value(A2C_OPEN_TYPE* value)
   6 {
   7     PBYTE string = NULL;
   8
   9     if (_A2C_PrintToMemory(value->objectPtr, value->functionPtr, &string) == A2C_ERROR_Success)
  10     {
  11         printf("%s\n", string);
  12
  13         free(string);
  14     }
  15 }
  16
  17 static void print_name_email_addresses(Cert_Name* name)
  18 {
  19     int counter = 0;
  20
  21     for (counter = 0;counter < name->rdnSequence.count;++counter)
  22     {
  23         int rdn_counter = 0;
  24
  25         for (rdn_counter = 0;rdn_counter < name->rdnSequence.array[counter].count;++rdn_counter)
  26         {
  27             Cert_AttributeTypeAndValue* attribute = &(name->rdnSequence.array[counter].array[rdn_counter]);
  28
  29             if (_A2C_OIDS_EQUAL(&(attribute->type), Cert_emailAddress.id))
  30             {
  31                 print_attribute_value(&attribute->value);
  32             }
  33         }
  34     }
  35 }
  36
  37 static void print_subject_alt_name_email_addresses(Cert_Extensions* extensions)
  38 {
  39     int counter = 0;
  40
  41     for (counter = 0;counter < extensions->count;++counter)
  42     {
  43         if (_A2C_OIDS_EQUAL(&extensions->array[counter].extnID, &CertImpl_id_ce_subjectAltName))
  44         {
  45             CertImpl_GeneralNames* names = NULL;
  46             A2C_ERROR err = A2C_ERROR_Success;
  47             int names_counter = 0;
  48
  49             err = A2C_DecodeBer(
  50                 (PVOID*) &names,
  51                 &CertImpl_GeneralNames_descriptor,
  52                 0,
  53                 NULL,
  54                 extensions->array[counter].extnValue.data,
  55                 extensions->array[counter].extnValue.length
  56                 );
  57             if (err < A2C_ERROR_Success)
  58             {
  59                 return;
  60             }
  61
  62             for (names_counter = 0;names_counter < names->count;++names_counter)
  63             {
  64                 if (names->array[names_counter].index == CertImpl_GeneralName_rfc822Name_index)
  65                 {
  66                     printf("%s\n", names->array[names_counter].rfc822Name.string);
  67                 }
  68             }
  69
  70             (void) A2C_Free(names, &CertImpl_GeneralNames_descriptor);
  71         }
  72     }
  73 }
  74
  75 int main(int argc, char** argv)
  76 {
  77     Cert_Certificate* certificate = NULL;
  78
  79     certificate = read_certificate_from_file(argv[1]);
  80     if (certificate != NULL)
  81     {
  82         print_name_email_addresses(&certificate->toBeSigned.subject);
  83         print_subject_alt_name_email_addresses(&certificate->toBeSigned.extensions);
  84     }
  85 }