int
main (int argc, char **argv)
{
int arg_idx = 0;
char *privcert_file = NULL;
char *pubcert_file = NULL;
char *priv_file = NULL;
char *pub_file = NULL;
char *priv_id = NULL;
char *pub_id = NULL;
char *label = DEFAULT_LABEL;
dckey *priv = NULL;
dckey *pub = NULL;
cert *priv_cert = NULL;
cert *pub_cert = NULL;
printf("argc count is: %d\n", argc);
if((argc < 7) || (argc > 8))
{
printf("Invalid number of arguments!!!\n");
usage (argv[0], argc);
}
printf("argc value is: %d\n", argc);
ri ();
priv_file = argv[++arg_idx];
privcert_file = argv[++arg_idx];
priv_id = argv[++arg_idx];
pub_file = argv[++arg_idx];
pubcert_file = argv[++arg_idx];
pub_id = argv[++arg_idx];
if (argc - 2 == arg_idx) {
/* there was a label */
label = argv[++arg_idx];
}
pub_cert = pki_check(pubcert_file, pub_file, pub_id);
/* check above won't return if something was wrong */
pub = pub_cert->public_key;
if (!cert_verify (priv_cert = cert_read (privcert_file))) {
printf ("%s: trouble reading certificate from %s, "
"or certificate expired\n", getprogname (), privcert_file);
perror (getprogname ());
exit (-1);
} else if (!dcareequiv(pub_cert->issuer,priv_cert->issuer)) {
printf ("%s: certificates issued by different CAs.\n",
getprogname ());
printf ("\tOwn (%s's) certificate in %s\n", priv_id, privcert_file);
printf ("\tOther (%s's) certificate in %s\n", pub_id, pubcert_file);
} else {
priv = priv_from_file (priv_file);
nidh (priv, pub, priv_id, pub_id, label);
}
return 0;
}
/* Verifies the validity of a certificate */
void
pki_check(char *cert_file, char *pk_file, char *id)
{
cert *c = cert_read (cert_file);
dckey *pk = pk_from_file (pk_file);
if (!c) {
printf ("Error reading the certificate from %s\n", cert_file);
exit (1);
}
if (!pk) {
printf ("Error reading the public key from %s\n", pk_file);
exit (1);
}
if (!cert_verify (c)) {
printf ("Certificate invalid or expired\n");
exit (1);
}
if (!dcareequiv (c->public_key, pk)) {
printf ("The certificate in %s does not refer to the public key in %s\n",
cert_file, pk_file);
exit (1);
}
if (strcmp (c->identity, id) != 0) {
printf ("The certificate in %s does not refer to identity %s\n",
cert_file, id);
exit (1);
}
/* everything checked out */
printf ("Valid certificate\n");
exit (0);
}