security/nss/cmd/libpkix/sample_apps/dumpcert.c

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  37 /*
  38  * dumpcert.c
  39  *
  40  * dump certificate sample application
  41  *
  42  */
  43
  44 #include <stdio.h>
  45
  46 #include "pkix.h"
  47 #include "testutil.h"
  48 #include "prlong.h"
  49 #include "plstr.h"
  50 #include "prthread.h"
  51 #include "plarena.h"
  52 #include "seccomon.h"
  53 #include "secdert.h"
  54 #include "secasn1t.h"
  55 #include "certt.h"
  56
  57 void *plContext = NULL;
  58
  59 void printUsage(void){
  60         (void) printf("\nUSAGE:\tdumpcert <certFile>\n");
  61         (void) printf("\tParses a certificate located at <certFile> "
  62                 "and displays it.\n");
  63 }
  64
  65 void printFailure(char *msg){
  66         (void) printf("FAILURE: %s\n", msg);
  67 }
  68
  69 PKIX_PL_Cert *
  70 createCert(char *inFileName)
  71 {
  72         PKIX_PL_ByteArray *byteArray = NULL;
  73         PKIX_PL_Cert *cert = NULL;
  74         PKIX_Error *error = NULL;
  75         PRFileDesc *inFile = NULL;
  76         SECItem certDER;
  77         void *buf = NULL;
  78         PKIX_UInt32 len;
  79         SECStatus rv = SECFailure;
  80
  81         certDER.data = NULL;
  82
  83         inFile = PR_Open(inFileName, PR_RDONLY, 0);
  84
  85         if (!inFile){
  86                 printFailure("Unable to open cert file");
  87                 goto cleanup;
  88         } else {
  89                 rv = SECU_ReadDERFromFile(&certDER, inFile, PR_FALSE);
  90                 if (!rv){
  91                         buf = (void *)certDER.data;
  92                         len = certDER.len;
  93
  94                         error = PKIX_PL_ByteArray_Create
  95                                 (buf, len, &byteArray, plContext);
  96
  97                         if (error){
  98                                 printFailure("PKIX_PL_ByteArray_Create failed");
  99                                 goto cleanup;
 100                         }
 101
 102                         error = PKIX_PL_Cert_Create
 103                                 (byteArray, &cert, plContext);
 104
 105                         if (error){
 106                                 printFailure("PKIX_PL_Cert_Create failed");
 107                                 goto cleanup;
 108                         }
 109                 } else {
 110                         printFailure("Unable to read DER from cert file");
 111                         goto cleanup;
 112                 }
 113         }
 114
 115 cleanup:
 116
 117         if (inFile){
 118                 PR_Close(inFile);
 119         }
 120
 121         if (rv == SECSuccess){
 122                 SECITEM_FreeItem(&certDER, PR_FALSE);
 123         }
 124
 125         if (byteArray){
 126                 PKIX_PL_Object_DecRef((PKIX_PL_Object *)(byteArray), plContext);
 127         }
 128
 129         return (cert);
 130 }
 131
 132 int main(int argc, char *argv[])
 133 {
 134
 135         PKIX_PL_String *string = NULL;
 136         PKIX_PL_Cert *cert = NULL;
 137         PKIX_Error *error = NULL;
 138         char *ascii = NULL;
 139         PKIX_UInt32 length = 0;
 140         PKIX_UInt32 j = 0;
 141         PKIX_Boolean useArenas = PKIX_FALSE;
 142         PKIX_UInt32 actualMinorVersion;
 143
 144         PKIX_TEST_STD_VARS();
 145
 146         if (argc == 1){
 147                 printUsage();
 148                 return (0);
 149         }
 150
 151         useArenas = PKIX_TEST_ARENAS_ARG(argv[1]);
 152
 153         PKIX_Initialize
 154                 (PKIX_TRUE, /* nssInitNeeded */
 155                 useArenas,
 156                 PKIX_MAJOR_VERSION,
 157                 PKIX_MINOR_VERSION,
 158                 PKIX_MINOR_VERSION,
 159                 &actualMinorVersion,
 160                 &plContext);
 161
 162         cert = createCert(argv[1+j]);
 163
 164         if (cert){
 165
 166                 error = PKIX_PL_Object_ToString
 167                         ((PKIX_PL_Object *)cert, &string, plContext);
 168
 169                 if (error){
 170                         printFailure("Unable to get string representation "
 171                                     "of cert");
 172                         goto cleanup;
 173                 }
 174
 175                 error = PKIX_PL_String_GetEncoded
 176                         (string,
 177                         PKIX_ESCASCII,
 178                         (void **)&ascii,
 179                         &length,
 180                         plContext);
 181
 182                 if (error || !ascii){
 183                         printFailure("Unable to get ASCII encoding of string");
 184                         goto cleanup;
 185                 }
 186
 187                 (void) printf("OUTPUT:\n%s\n", ascii);
 188
 189         } else {
 190                 printFailure("Unable to create certificate");
 191                 goto cleanup;
 192         }
 193
 194 cleanup:
 195
 196         if (cert){
 197                 PKIX_PL_Object_DecRef((PKIX_PL_Object *)(cert), plContext);
 198         }
 199
 200         if (string){
 201                 PKIX_PL_Object_DecRef((PKIX_PL_Object *)(string), plContext);
 202         }
 203
 204         if (ascii){
 205                 PKIX_PL_Free((PKIX_PL_Object *)(ascii), plContext);
 206         }
 207
 208         PKIX_Shutdown(plContext);
 209
 210         PKIX_TEST_RETURN();
 211
 212         endTests("DUMPCERT");
 213
 214         return (0);
 215 }