Support wincrypt for password encryption on Cygwin.

From: David Rothenberger <daveroth@acm.org>


---
 build.conf                               |    6 +++++-
 subversion/include/svn_auth.h            |    2 +-
 subversion/libsvn_subr/auth.c            |    2 +-
 subversion/libsvn_subr/config_file.c     |    2 +-
 subversion/libsvn_subr/win32_crypto.c    |    5 ++++-
 subversion/tests/libsvn_subr/auth-test.c |    6 ++++--
 6 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/build.conf b/build.conf
index 8cf7184..e6e1c5e 100644
--- a/build.conf
+++ b/build.conf
@@ -323,7 +323,7 @@ description = Subversion General Utility Library
 type = lib
 install = fsmod-lib
 path = subversion/libsvn_subr
-libs = aprutil apriconv apr xml zlib apr_memcache sqlite magic
+libs = aprutil apriconv apr xml zlib apr_memcache sqlite magic wincrypt
 msvc-libs = kernel32.lib advapi32.lib shfolder.lib ole32.lib
             crypt32.lib version.lib
 msvc-export = 
@@ -1218,6 +1218,10 @@ type = lib
 external-lib = -lhttpd2core
 libs = aprutil apr
 
+[wincrypt]
+type = lib
+external-lib = -lcrypt32
+
 [__ALL__]
 type = project
 path = build/win32
diff --git a/subversion/include/svn_auth.h b/subversion/include/svn_auth.h
index 3e9f45e..155c063 100644
--- a/subversion/include/svn_auth.h
+++ b/subversion/include/svn_auth.h
@@ -865,7 +865,7 @@ svn_auth_get_platform_specific_client_providers(
   svn_config_t *config,
   apr_pool_t *pool);
 
-#if (defined(WIN32) && !defined(__MINGW32__)) || defined(DOXYGEN)
+#if ((defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)) || defined(DOXYGEN)
 /**
  * Set @a *provider to an authentication provider of type @c
  * svn_auth_cred_simple_t that gets/sets information from the user's
diff --git a/subversion/libsvn_subr/auth.c b/subversion/libsvn_subr/auth.c
index 3c874cf..a999711 100644
--- a/subversion/libsvn_subr/auth.c
+++ b/subversion/libsvn_subr/auth.c
@@ -525,7 +525,7 @@ svn_auth_get_platform_specific_provider(svn_auth_provider_object_t **provider,
         }
 #endif
 
-#if defined(WIN32) && !defined(__MINGW32__)
+#if (defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)
       if (strcmp(provider_name, "windows") == 0 &&
           strcmp(provider_type, "simple") == 0)
         {
diff --git a/subversion/libsvn_subr/config_file.c b/subversion/libsvn_subr/config_file.c
index c705b14..a0a3847 100644
--- a/subversion/libsvn_subr/config_file.c
+++ b/subversion/libsvn_subr/config_file.c
@@ -1058,7 +1058,7 @@ svn_config_ensure(const char *config_dir, apr_pool_t *pool)
         "###   windows-cryptoapi    (Windows)"                               NL
 #ifdef SVN_HAVE_KEYCHAIN_SERVICES
         "# password-stores = keychain"                                       NL
-#elif defined(WIN32) && !defined(__MINGW32__)
+#elif (defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)
         "# password-stores = windows-cryptoapi"                              NL
 #else
         "# password-stores = gpg-agent,gnome-keyring,kwallet"                NL
diff --git a/subversion/libsvn_subr/win32_crypto.c b/subversion/libsvn_subr/win32_crypto.c
index e16866a..96eaa93 100644
--- a/subversion/libsvn_subr/win32_crypto.c
+++ b/subversion/libsvn_subr/win32_crypto.c
@@ -26,7 +26,7 @@ typedef int win32_crypto__dummy;
 
 /* ==================================================================== */
 
-#if defined(WIN32) && !defined(__MINGW32__)
+#if (defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)
 
 /*** Includes. ***/
 
@@ -44,6 +44,9 @@ typedef int win32_crypto__dummy;
 
 #include "svn_private_config.h"
 
+#ifdef __CYGWIN__
+#include <windows.h>
+#endif
 #include <wincrypt.h>
 
 
diff --git a/subversion/tests/libsvn_subr/auth-test.c b/subversion/tests/libsvn_subr/auth-test.c
index 9d7d866..58ff760 100644
--- a/subversion/tests/libsvn_subr/auth-test.c
+++ b/subversion/tests/libsvn_subr/auth-test.c
@@ -62,7 +62,7 @@ test_platform_specific_auth_providers(apr_pool_t *pool)
 #ifdef SVN_HAVE_KEYCHAIN_SERVICES
   number_of_providers += 2;
 #endif
-#if defined(WIN32) && !defined(__MINGW32__)
+#if (defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)
   number_of_providers += 2;
 #endif
   if (providers->nelts != number_of_providers)
@@ -103,7 +103,7 @@ test_platform_specific_auth_providers(apr_pool_t *pool)
 #endif
 
   /* Test Windows auth providers */
-#if defined(WIN32) && !defined(__MINGW32__)
+#if (defined(WIN32) && !defined(__MINGW32__)) || defined(__CYGWIN__)
   svn_auth_get_platform_specific_provider(&provider, "windows",
                                           "simple", pool);
 
@@ -164,6 +164,7 @@ test_platform_specific_auth_providers(apr_pool_t *pool)
        "'ssl_client_cert_pw') should not return NULL");
 
   /* Make sure you do not get a Windows auth provider */
+#ifndef __CYGWIN__
   SVN_ERR(svn_auth_get_platform_specific_provider(&provider, "windows",
                                                   "simple", pool));
 
@@ -173,6 +174,7 @@ test_platform_specific_auth_providers(apr_pool_t *pool)
        "svn_auth_get_platform_specific_provider('windows', 'simple') should " \
        "return NULL");
 #endif
+#endif
 
   /* Test KWallet auth providers */
 #ifdef SVN_HAVE_KWALLET