release/src/router/openssl/demos/pkcs12/pkread.c

   1 /* pkread.c */
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <openssl/pem.h>
   6 #include <openssl/err.h>
   7 #include <openssl/pkcs12.h>
   8
   9 /* Simple PKCS#12 file reader */
  10
  11 int main(int argc, char **argv)
  12 {
  13     FILE *fp;
  14     EVP_PKEY *pkey;
  15     X509 *cert;
  16     STACK_OF(X509) *ca = NULL;
  17     PKCS12 *p12;
  18     int i;
  19     if (argc != 4) {
  20         fprintf(stderr, "Usage: pkread p12file password opfile\n");
  21         exit(1);
  22     }
  23     OpenSSL_add_all_algorithms();
  24     ERR_load_crypto_strings();
  25     if (!(fp = fopen(argv[1], "rb"))) {
  26         fprintf(stderr, "Error opening file %s\n", argv[1]);
  27         exit(1);
  28     }
  29     p12 = d2i_PKCS12_fp(fp, NULL);
  30     fclose(fp);
  31     if (!p12) {
  32         fprintf(stderr, "Error reading PKCS#12 file\n");
  33         ERR_print_errors_fp(stderr);
  34         exit(1);
  35     }
  36     if (!PKCS12_parse(p12, argv[2], &pkey, &cert, &ca)) {
  37         fprintf(stderr, "Error parsing PKCS#12 file\n");
  38         ERR_print_errors_fp(stderr);
  39         exit(1);
  40     }
  41     PKCS12_free(p12);
  42     if (!(fp = fopen(argv[3], "w"))) {
  43         fprintf(stderr, "Error opening file %s\n", argv[1]);
  44         exit(1);
  45     }
  46     if (pkey) {
  47         fprintf(fp, "***Private Key***\n");
  48         PEM_write_PrivateKey(fp, pkey, NULL, NULL, 0, NULL, NULL);
  49     }
  50     if (cert) {
  51         fprintf(fp, "***User Certificate***\n");
  52         PEM_write_X509_AUX(fp, cert);
  53     }
  54     if (ca && sk_X509_num(ca)) {
  55         fprintf(fp, "***Other Certificates***\n");
  56         for (i = 0; i < sk_X509_num(ca); i++)
  57             PEM_write_X509_AUX(fp, sk_X509_value(ca, i));
  58     }
  59     fclose(fp);
  60     return 0;
  61 }