Preparing for a release

1 files changed, 166 insertions, 0 deletions

diff --git a/common/asshelp.c b/common/asshelp.c
new file mode 100644
index 000000000..23feca507
--- /dev/null
+++ b/common/asshelp.c
@@ -0,0 +1,166 @@
+/* asshelp.c - Helper functions for Assuan
+ * Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+
+#include "util.h"
+
+#include "asshelp.h"
+
+/* Send the assuan command pertaining to the pinenry environment.  The
+   OPT_* arguments are optional and may be used to overide the
+   defaults taken from the current locale. */
+gpg_error_t
+send_pinentry_environment (assuan_context_t ctx,
+                           const char *opt_display,
+                           const char *opt_ttyname,
+                           const char *opt_ttytype,
+                           const char *opt_lc_ctype,
+                           const char *opt_lc_messages)
+{
+  int rc = 0;
+  char *dft_display = NULL;
+  char *dft_ttyname = NULL;
+  char *dft_ttytype = NULL;
+  char *old_lc = NULL; 
+  char *dft_lc = NULL;
+
+  dft_display = getenv ("DISPLAY");
+  if (opt_display || dft_display)
+    {
+      char *optstr;
+      if (asprintf (&optstr, "OPTION display=%s",
+		    opt_display ? opt_display : dft_display) < 0)
+	return gpg_error_from_errno (errno);
+      rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL,
+			    NULL);
+      free (optstr);
+      if (rc)
+	return map_assuan_err (rc);
+    }
+  if (!opt_ttyname)
+    {
+      dft_ttyname = getenv ("GPG_TTY");
+      if ((!dft_ttyname || !*dft_ttyname) && ttyname (0))
+        dft_ttyname = ttyname (0);
+    }
+  if (opt_ttyname || dft_ttyname)
+    {
+      char *optstr;
+      if (asprintf (&optstr, "OPTION ttyname=%s",
+		    opt_ttyname ? opt_ttyname : dft_ttyname) < 0)
+	return gpg_error_from_errno (errno);
+      rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL,
+			    NULL);
+      free (optstr);
+      if (rc)
+	return map_assuan_err (rc);
+    }
+  dft_ttytype = getenv ("TERM");
+  if (opt_ttytype || (dft_ttyname && dft_ttytype))
+    {
+      char *optstr;
+      if (asprintf (&optstr, "OPTION ttytype=%s",
+		    opt_ttyname ? opt_ttytype : dft_ttytype) < 0)
+	return gpg_error_from_errno (errno);
+      rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL,
+			    NULL);
+      free (optstr);
+      if (rc)
+	return map_assuan_err (rc);
+    }
+#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
+  old_lc = setlocale (LC_CTYPE, NULL);
+  if (old_lc)
+    {
+      old_lc = strdup (old_lc);
+      if (!old_lc)
+        return gpg_error_from_errno (errno);
+    }
+  dft_lc = setlocale (LC_CTYPE, "");
+#endif
+  if (opt_lc_ctype || (dft_ttyname && dft_lc))
+    {
+      char *optstr;
+      if (asprintf (&optstr, "OPTION lc-ctype=%s",
+		    opt_lc_ctype ? opt_lc_ctype : dft_lc) < 0)
+	rc = gpg_error_from_errno (errno);
+      else
+	{
+	  rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL,
+				NULL);
+	  free (optstr);
+	  if (rc)
+	    rc = map_assuan_err (rc);
+	}
+    }
+#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
+  if (old_lc)
+    {
+      setlocale (LC_CTYPE, old_lc);
+      free (old_lc);
+    }
+#endif
+  if (rc)
+    return rc;
+#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
+  old_lc = setlocale (LC_MESSAGES, NULL);
+  if (old_lc)
+    {
+      old_lc = strdup (old_lc);
+      if (!old_lc)
+        return gpg_error_from_errno (errno);
+    }
+  dft_lc = setlocale (LC_MESSAGES, "");
+#endif
+  if (opt_lc_messages || (dft_ttyname && dft_lc))
+    {
+      char *optstr;
+      if (asprintf (&optstr, "OPTION lc-messages=%s",
+		    opt_lc_messages ? opt_lc_messages : dft_lc) < 0)
+	rc = gpg_error_from_errno (errno);
+      else
+	{
+	  rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL,
+				NULL);
+	  free (optstr);
+	  if (rc)
+	    rc = map_assuan_err (rc);
+	}
+    }
+#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
+  if (old_lc)
+    {
+      setlocale (LC_MESSAGES, old_lc);
+      free (old_lc);
+    }
+#endif
+
+  return rc;
+}
+