SUPPORT-8890. Открытие сертификата для подписи вынесено в инициализацию

(cherry picked from commit 3807bc745778c423bf107ccf818bd55807824ef5)

src/modules/service_sign.c

@@ -134,6 +134,10 @@ sign_service_create(const sign_conf_t *conf)
                             &conf->sign_cert_thumbprint, 
                             &conf->sign_cert_password);
 
+    if (open_signer_cert(&hsign->cryptopro_ctx)) {
+        goto error;
+    }
+
     LOG_TRACE("sign_service_create exit");
     return (HSign)hsign;
 
@@ -150,6 +154,8 @@ sign_service_free(HSign hsign)
 
     if (ctx == NULL) return;
 
+    close_signer_cert(&ctx->cryptopro_ctx);
+
     free(ctx);
 }
 

src/utils/cryptopro.c

@@ -14,6 +14,7 @@ static int sign_hash_data(const cryptopro_context_t *ctx, const str_t *data, /*o
 static int reverse_sign(const str_t *sign, /*out*/ str_t *sign_reversed);
 
 static HCERTSTORE cert_open_store();
+static void cert_close_store(HCERTSTORE hStoreHandle);
 
 static PCCERT_CONTEXT get_signer_cert(const cryptopro_context_t *ctx, HCERTSTORE hStoreHandle);
 
@@ -227,35 +228,65 @@ log_sign_hash_data_last_error()
     }
 }
 
+int 
+open_signer_cert(cryptopro_context_t *ctx)
+{
+    LOG_TRACE("open_signer_cert enter");
+
+    ctx->cert_store = cert_open_store();
+    if (ctx->cert_store == NULL) {
+        goto error;
+    }
+
+    ctx->signer_cert = get_signer_cert(ctx, ctx->cert_store);
+    if (ctx->signer_cert == NULL) {
+        goto error;
+    }
+
+    LOG_TRACE("open_signer_cert exit");
+
+    return 0;
+
+error:
+    LOG_ERROR("open_signer_cert exit with error. Last error code: 0x%08x", 
+                cp_function_list.GetLastError());
+    close_signer_cert(ctx);
+    return -1;
+}
+
+void
+close_signer_cert(cryptopro_context_t *ctx)
+{
+    LOG_TRACE("close_signer_cert enter");
+
+    if (ctx->signer_cert) {
+        cp_function_list.CertFreeCertificateContext(ctx->signer_cert);
+        ctx->signer_cert = NULL;
+    }
+
+    cert_close_store(ctx->cert_store);
+    ctx->cert_store = NULL;
+
+    LOG_TRACE("close_signer_cert exit");
+}
+
 static int 
 sign_hash_data(const cryptopro_context_t *ctx, const str_t *data, /*out*/ str_t *sign)
 {
     int rc = -1;
-    HCERTSTORE hStoreHandle;
-    PCCERT_CONTEXT pSignerCert = NULL;
     BOOL bReleaseContext = FALSE;
     HCRYPTPROV hCryptProv;
     HCRYPTHASH hash = 0;
     BYTE *pbSignedMessageBlob;
     DWORD cbSignedMessageBlob;
 
-    hStoreHandle = cert_open_store();
-    if (hStoreHandle == NULL) {
-        goto exit;
-    }
-
-    pSignerCert = get_signer_cert(ctx, hStoreHandle);
-    if (pSignerCert == NULL) {
-        goto exit;
-    }
-
-    if (!verify_cert_chain(pSignerCert)) {
+    if (!verify_cert_chain(ctx->signer_cert)) {
         goto exit;
     }
 
     if (!cp_function_list.CryptAcquireCertificatePrivateKey(
-            pSignerCert,
-            CRYPT_ACQUIRE_SILENT_FLAG,
+            ctx->signer_cert,
+            CRYPT_ACQUIRE_SILENT_FLAG | CRYPT_ACQUIRE_CACHE_FLAG,
             NULL,
             &hCryptProv,
             NULL,
@@ -301,15 +332,6 @@ exit:
         cp_function_list.CryptReleaseContext(hCryptProv, 0);
     }
 
-    if (pSignerCert) {
-        cp_function_list.CertFreeCertificateContext(pSignerCert);
-    }
-    
-    if (hStoreHandle) {
-        if (!cp_function_list.CertCloseStore(hStoreHandle, CERT_CLOSE_STORE_CHECK_FLAG)) {
-            LOG_ERROR("CertCloseStore() failed");
-        }
-    }
 
     if (rc) {
         log_sign_hash_data_last_error();
@@ -348,7 +370,7 @@ cert_open_store()
     hStoreHandle = cp_function_list.CertOpenStore(CERT_STORE_PROV_SYSTEM,
                                     0,
                                     0,
-                                    CERT_SYSTEM_STORE_CURRENT_USER,
+                                    CERT_SYSTEM_STORE_CURRENT_USER | CERT_STORE_OPEN_EXISTING_FLAG,
                                     L"MY");
     
     if (hStoreHandle == NULL) {
@@ -357,10 +379,25 @@ cert_open_store()
     }
 
     LOG_DEBUG("The MY store is open");
-
+    LOG_TRACE("cert_open_store exit");
     return hStoreHandle;
 }
 
+
+static void
+cert_close_store(HCERTSTORE hStoreHandle)
+{
+    LOG_TRACE("cert_close_store enter");
+
+    if (hStoreHandle) {
+        if (!cp_function_list.CertCloseStore(hStoreHandle, CERT_CLOSE_STORE_CHECK_FLAG)) {
+            LOG_ERROR("CertCloseStore() failed");
+        }
+    }
+
+    LOG_TRACE("cert_close_store exit");
+}
+
 static PCCERT_CONTEXT 
 get_cert_by_thumbprint(HCERTSTORE hStoreHandle, const str_t* thumbprint)
 {
@@ -681,11 +718,7 @@ exit:
         cp_function_list.CertFreeCertificateContext(certificate);
     }
 
-    if (hStoreHandle) {
-        if (!cp_function_list.CertCloseStore(hStoreHandle, CERT_CLOSE_STORE_CHECK_FLAG)) {
-            LOG_ERROR("CertCloseStore() failed");
-        }
-    }
+    cert_close_store(hStoreHandle);
 
     if (rc == 0) {
         LOG_TRACE("cryptopro_verify exit");

src/utils/cryptopro.h

@@ -6,10 +6,16 @@
 #include <assert.h>
 #include <stdbool.h>
 
+#include "capi.h"
+
 
 typedef struct cryptopro_context_s {
     const str_t     *cert_thumbprint;
     const str_t     *password;
+
+    HCERTSTORE      cert_store;
+    PCCERT_CONTEXT  signer_cert;
+
 } cryptopro_context_t;
 
 
@@ -24,6 +30,9 @@ cryptopro_context_set(cryptopro_context_t *ctx, const str_t *cert_thumbprint, co
 
 bool cryptopro_init(const char* cp_file);
 
+int open_signer_cert(cryptopro_context_t *ctx);
+void close_signer_cert(cryptopro_context_t *ctx);
+
 int cryptopro_sign(const cryptopro_context_t *ctx, const str_t *data, /*out*/ str_t *sign);
 
 int cryptopro_verify(const str_t* cert_thumbprint, const str_t* alg, const str_t *data,