SSL_add_dir_cert_subjects_to_stack for Win32 finally implemented.

Submitted by Massimo Santin <msantin@santineassociati.com>.

CHANGES

@@ -12,6 +12,9 @@
          *) applies to 0.9.6a/0.9.6b/0.9.6c and 0.9.7
          +) applies to 0.9.7 only
 
+  +) Add an implementation of SSL_add_dir_cert_subjects_to_stack for Win32.
+     [Massimo Santin via Richard Levitte]
+
   +) Major restructuring to the underlying ENGINE code. This includes
      reduction of linker bloat, separation of pure "ENGINE" manipulation
      (initialisation, etc) from functionality dealing with implementations

ssl/ssl_cert.c

@@ -115,6 +115,10 @@
 #include <dirent.h>
 #endif
 
+#if defined(WIN32)
+#include <windows.h>
+#endif
+
 #ifdef NeXT
 #include <sys/dir.h>
 #define dirent direct
@@ -771,4 +775,52 @@ err:
 
 #endif
 #endif
+
+#else
+
+int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
+				       const char *dir)
+	{
+	WIN32_FIND_DATA FindFileData;
+	HANDLE hFind;
+	int ret = 0;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
+	
+	hFind = FindFirstFile(dir, &FindFileData);
+	/* Note that a side effect is that the CAs will be sorted by name */
+	if(hFind == INVALID_HANDLE_VALUE)
+		{
+		SYSerr(SYS_F_OPENDIR, get_last_sys_error());
+		ERR_add_error_data(3, "opendir('", dir, "')");
+		SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
+		goto err;
+		}
+	
+	do 
+		{
+		char buf[1024];
+		int r;
+		
+		if(strlen(dir)+strlen(FindFileData.cFileName)+2 > sizeof buf)
+			{
+			SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
+			goto err;
+			}
+		
+		r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,FindFileData.cFileName);
+		if (r <= 0 || r >= sizeof buf)
+			goto err;
+		if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
+			goto err;
+		}
+	while (FindNextFile(hFind, &FindFileData) != FALSE);
+	FindClose(hFind);
+	ret = 1;
+
+err:	
+	CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
+	return ret;
+	}
+
 #endif