Function httpLoadCredentials

cups/tls-sspi.c:396–516

 */

int					/* O - 0 on success, -1 on error */
httpLoadCredentials(
    const char   *path,			/* I  - Keychain path or @code NULL@ for default */
    cups_array_t **credentials,		/* IO - Credentials */
    const char   *common_name)		/* I  - Common name for credentials */
{
  HCERTSTORE	store = NULL;		/* Certificate store */
  PCCERT_CONTEXT storedContext = NULL;	/* Context created from the store */
  DWORD		dwSize = 0; 		/* 32 bit size */
  PBYTE		p = NULL;		/* Temporary storage */
  HCRYPTPROV	hProv = (HCRYPTPROV)NULL;
					/* Handle to a CSP */
  CERT_NAME_BLOB sib;			/* Arbitrary array of bytes */
#ifdef DEBUG
  char		error[1024];		/* Error message buffer */
#endif /* DEBUG */


  DEBUG_printf(("httpLoadCredentials(path=\"%s\", credentials=%p, common_name=\"%s\")", path, credentials, common_name));

  (void)path;

  if (credentials)
  {
    *credentials = NULL;
  }
  else
  {
    DEBUG_puts("1httpLoadCredentials: NULL credentials pointer, returning -1.");
    return (-1);
  }

  if (!common_name)
  {
    DEBUG_puts("1httpLoadCredentials: Bad common name, returning -1.");
    return (-1);
  }

  if (!CryptAcquireContextW(&hProv, L"RememberedContainer", MS_DEF_PROV_W, PROV_RSA_FULL, CRYPT_NEWKEYSET /*| CRYPT_MACHINE_KEYSET*/))
  {
    if (GetLastError() == NTE_EXISTS)
    {
      if (!CryptAcquireContextW(&hProv, L"RememberedContainer", MS_DEF_PROV_W, PROV_RSA_FULL, 0 /*CRYPT_MACHINE_KEYSET*/))
      {
        DEBUG_printf(("1httpLoadCredentials: CryptAcquireContext failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
        http_sspi_set_error("CryptAquireContext");
        goto cleanup;
      }
    }
  }

  store = CertOpenStore(CERT_STORE_PROV_SYSTEM, X509_ASN_ENCODING|PKCS_7_ASN_ENCODING, hProv, CERT_SYSTEM_STORE_LOCAL_MACHINE | CERT_STORE_NO_CRYPT_RELEASE_FLAG | CERT_STORE_OPEN_EXISTING_FLAG, L"MY");

  if (!store)
  {
    DEBUG_printf(("1httpLoadCredentials: CertOpenSystemStore failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
    http_sspi_set_error("CertOpenSystemStore");
    goto cleanup;