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Don't change _WIN32_WINNT and detect GetConsoleWindow() and

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CryptUIDlgSelectCertificateFromStore() at runtime. Add callback function
for selection mechanism.
This commit is contained in:
Dr. Stephen Henson 2008-06-05 23:19:56 +00:00
parent 11f3cee93b
commit 1cd504e7be
1 changed files with 39 additions and 16 deletions
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55
engines/e_capi.c
View file

@ -62,10 +62,6 @@
#ifdef OPENSSL_SYS_WIN32
#ifndef OPENSSL_NO_CAPIENG
#if _WIN32_WINNT < 0x0500
#define _WIN32_WINNT 0x0500
#endif
#include <windows.h>
#include <wincrypt.h>
@ -94,7 +90,6 @@ static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
void capi_free_key(CAPI_KEY *key);
static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
@ -117,7 +112,17 @@ static int capi_dsa_free(DSA *dsa);
static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
#ifdef OPENSSL_CAPIENG_DIALOG
static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
#endif
typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
LPCWSTR, DWORD, DWORD,
void *);
typedef HWND (WINAPI *GETCONSWIN)(void);
/* This structure contains CAPI ENGINE specific data:
* it contains various global options and affects how
* other functions behave.
@ -160,6 +165,10 @@ struct CAPI_CTX_st {
#define CAPI_DMP_PKEYINFO 0x20
DWORD dump_flags;
int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
CERTDLG certselectdlg;
GETCONSWIN getconswindow;
};
@ -393,6 +402,21 @@ static int capi_init(ENGINE *e)
capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
#ifdef OPENSSL_CAPIENG_DIALOG
{
HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
HMODULE kernel = LoadLibrary(TEXT("KERNEL32.DLL"));
if (cryptui)
ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
if (kernel)
ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
if (cryptui)
// if (cryptui && !OPENSSL_isservice())
ctx->client_cert_select = cert_select_dialog;
}
#endif
return 1;
memerr:
@ -1434,6 +1458,7 @@ static CAPI_CTX *capi_ctx_new()
ctx->lookup_method = CAPI_LU_SUBSTR;
ctx->debug_level = 0;
ctx->debug_file = NULL;
ctx->client_cert_select = cert_select_simple;
return ctx;
}
@ -1571,7 +1596,7 @@ static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
/* Select the appropriate certificate */
client_cert_idx = client_cert_select(e, ssl, certs);
client_cert_idx = ctx->client_cert_select(e, ssl, certs);
/* Set the selected certificate and free the rest */
@ -1603,16 +1628,15 @@ static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
}
#ifndef OPENSSL_CAPIENG_DIALOG
/* Simple client cert selection function: always select first */
static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
{
return 0;
}
#else
#ifdef OPENSSL_CAPIENG_DIALOG
/* More complex cert selection function, using standard function
* CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
@ -1626,7 +1650,7 @@ static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
#define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
|CRYPTUI_SELECT_INTENDEDUSE_COLUMN
static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
{
X509 *x;
HCERTSTORE dstore;
@ -1663,12 +1687,11 @@ static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
}
hwnd = GetActiveWindow();
if (!hwnd)
hwnd = GetConsoleWindow();
if (!hwnd && ctx->getconswindow)
hwnd = ctx->getconswindow();
/* Call dialog to select one */
cert = CryptUIDlgSelectCertificateFromStore(dstore, hwnd,
dlg_title, dlg_prompt,
dlg_columns, 0, NULL);
cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
dlg_columns, 0, NULL);
/* Find matching cert from list */
if (cert)