Whole lot of changes to support CE.

common/ChangeLog

@@ -1,3 +1,26 @@
+2010-04-14  Werner Koch  <wk@g10code.com>
+
+	* asshelp.c (setup_libassuan_logging): Read ASSUAN_DEBUG envvar.
+	(my_libassuan_log_handler): Use it.
+	* sysutils.c (_gnupg_getenv): Implement ASSUAN_DEBUG.
+
+2010-04-08  Werner Koch  <wk@g10code.com>
+
+	* w32help.h (_setmode, setmode) [W32CE]: Provide prototype and
+	macro.
+
+2010-04-07  Werner Koch  <wk@g10code.com>
+
+	* mischelp.c (timegm): Replace unsetenv/putenv by gnupg_unsetenv.
+
+	* sysutils.c: Include setenv.h.
+	(gnupg_setenv, gnupg_unsetenv): New.
+
+
+2010-04-06  Werner Koch  <wk@g10code.com>
+
+	* sysutils.c (gnupg_mkdir): New.
+
 2010-03-29  Werner Koch  <wk@g10code.com>
 
 	* init.c (sleep_on_exit): Change to 400ms.

common/asshelp.c

@@ -36,6 +36,14 @@
 #include "asshelp.h"
 
 
+/* A bitfield that specifies the assuan categories to log.  This is
+   identical to the default log handler of libassuan.  We need to do
+   it ourselves because we use a custom log handler and want to use
+   the same assuan variables to select the categories to log. */
+static int log_cats;
+#define TEST_LOG_CAT(x) (!! (log_cats & (1 << (x - 1))))
+
+
 static int
 my_libassuan_log_handler (assuan_context_t ctx, void *hook,
                           unsigned int cat, const char *msg)
@@ -44,8 +52,9 @@ my_libassuan_log_handler (assuan_context_t ctx, void *hook,
 
   (void)ctx;
 
-  if (cat != ASSUAN_LOG_CONTROL)
-    return 0; /* We only want the control channel messages.  */
+  if (! TEST_LOG_CAT (cat))
+    return 0;
+
   dbgval = hook? *(unsigned int*)hook : 0;
   if (!(dbgval & 1024))
     return 0; /* Assuan debugging is not enabled.  */
@@ -62,6 +71,13 @@ my_libassuan_log_handler (assuan_context_t ctx, void *hook,
 void
 setup_libassuan_logging (unsigned int *debug_var_address)
 {
+  char *flagstr;
+
+  flagstr = getenv ("ASSUAN_DEBUG");
+  if (flagstr)
+    log_cats = atoi (flagstr);
+  else /* Default to log the control channel.  */
+    log_cats = (1 << (ASSUAN_LOG_CONTROL - 1));
   assuan_set_log_cb (my_libassuan_log_handler, debug_var_address);
 }
 

common/estream.c

@@ -118,6 +118,9 @@ void *memrchr (const void *block, int c, size_t size);
 
 #ifdef HAVE_W32CE_SYSTEM
 # define _set_errno(a)  gpg_err_set_errno ((a))
+/* Setmode is missing in cegcc but available since CE 5.0.  */
+int _setmode (int handle, int mode);
+# define setmode(a,b)   _setmode ((a),(b))
 #else
 # define _set_errno(a)  do { errno = (a); } while (0)
 #endif

common/mischelp.c

@@ -183,11 +183,7 @@ timegm (struct tm *tm)
         putenv (old_zone);	
     }
   else
-#ifdef HAVE_UNSETENV
-    unsetenv("TZ");
-#else
-    putenv("TZ");
-#endif
+    gnupg_unsetenv("TZ");
 
   tzset();
   return answer;

common/sysutils.c

@@ -51,6 +51,8 @@
 #endif
 #include <fcntl.h>
 
+#include "setenv.h"   /* Gnulib replacement.  */
+
 #include "util.h"
 #include "i18n.h"
 
@@ -529,6 +531,97 @@ gnupg_remove (const char *fname)
 }
 
 
+/* A wrapper around mkdir which takes a string for the mode argument.
+   This makes it easier to handle the mode argument which is not
+   defined on all systems.  The format of the modestring is
+
+      "-rwxrwxrwx"
+      
+   '-' is a don't care or not set.  'r', 'w', 'x' are read allowed,
+   write allowed, execution allowed with the first group for the user,
+   the second for the group and the third for all others.  If the
+   string is shorter than above the missing mode characters are meant
+   to be not set.  */
+int
+gnupg_mkdir (const char *name, const char *modestr)
+{
+#ifdef HAVE_W32CE_SYSTEM
+  wchar_t *wname;
+  (void)modestr;
+  
+  wname = utf8_to_wchar (name);
+  if (!wname)
+    return -1;
+  if (!CreateDirectoryW (wname, NULL))
+    {
+      xfree (wname);
+      return -1;  /* ERRNO is automagically provided by gpg-error.h.  */
+    }
+  xfree (wname);
+  return 0;
+#elif MKDIR_TAKES_ONE_ARG
+  (void)modestr;
+  /* Note: In the case of W32 we better use CreateDirectory and try to
+     set appropriate permissions.  However using mkdir is easier
+     because this sets ERRNO.  */
+  return mkdir (name);
+#else
+  mode_t mode = 0;
+
+  if (modestr && *modestr)
+    {
+      modestr++;
+      if (*modestr && *modestr++ == 'r')
+        mode |= S_IRUSR;
+      if (*modestr && *modestr++ == 'w')
+        mode |= S_IWUSR;
+      if (*modestr && *modestr++ == 'x')
+        mode |= S_IXUSR;
+      if (*modestr && *modestr++ == 'r')
+        mode |= S_IRGRP;
+      if (*modestr && *modestr++ == 'w')
+        mode |= S_IWGRP;
+      if (*modestr && *modestr++ == 'x')
+        mode |= S_IXGRP;
+      if (*modestr && *modestr++ == 'r')
+        mode |= S_IROTH;
+      if (*modestr && *modestr++ == 'w')
+        mode |= S_IWOTH;
+      if (*modestr && *modestr++ == 'x')
+        mode |= S_IXOTH;
+    }
+  return mkdir (home, mode)
+#endif
+}
+
+
+int
+gnupg_setenv (const char *name, const char *value, int overwrite)
+{
+#ifdef HAVE_W32CE_SYSTEM
+  (void)name;
+  (void)value;
+  (void)overwrite;
+  return 0;
+#else
+  setenv (name, value, overwrite);
+#endif
+}
+
+int 
+gnupg_unsetenv (const char *name)
+{
+#ifdef HAVE_W32CE_SYSTEM
+  (void)name;
+  return 0;
+#else
+# ifdef HAVE_UNSETENV
+  unsetenv (name);
+# else
+  putenv (name);
+# endif
+#endif
+}
 
 
 #ifdef HAVE_W32CE_SYSTEM
@@ -538,8 +631,22 @@ gnupg_remove (const char *fname)
 char *
 _gnupg_getenv (const char *name)
 {
-  (void)name;
-  return NULL;
+  static int initialized;
+  static char *assuan_debug;
+  
+  if (!initialized)
+    {
+      assuan_debug = read_w32_registry_string (NULL, 
+                                               "\\Software\\GNU\\libassuan",
+                                               "debug");
+      initialized = 1;
+    }
+
+  if (!strcmp (name, "ASSUAN_DEBUG"))
+    return assuan_debug;
+  else
+    return NULL;
 }
+
 #endif /*HAVE_W32CE_SYSTEM*/
 

common/sysutils.h

@@ -49,6 +49,9 @@ FILE *gnupg_tmpfile (void);
 void gnupg_reopen_std (const char *pgmname);
 void gnupg_allow_set_foregound_window (pid_t pid);
 int  gnupg_remove (const char *fname);
+int  gnupg_mkdir (const char *name, const char *modestr);
+int  gnupg_setenv (const char *name, const char *value, int overwrite);
+int  gnupg_unsetenv (const char *name);
 
 #ifdef HAVE_W32_SYSTEM
 

common/util.h

@@ -298,6 +298,8 @@ ttyname (int fd)
 #define getpid() GetCurrentProcessId ()
 char *_gnupg_getenv (const char *name); /* See sysutils.c */
 #define getenv(a)  _gnupg_getenv ((a))
+char *_gnupg_setenv (const char *name); /* See sysutils.c */
+#define setenv(a,b,c)  _gnupg_setenv ((a),(b),(c))
 #endif
 
 

common/w32help.h

@@ -28,5 +28,12 @@ int write_w32_registry_string (const char *root, const char *dir,
                                const char *name, const char *value);
 
 
+/* Other stuff.  */
+#ifdef HAVE_W32CE_SYSTEM
+/* Setmode is missing in cegcc but available since CE 5.0.  */
+int _setmode (int handle, int mode);
+# define setmode(a,b)   _setmode ((a),(b))
+#endif /*HAVE_W32CE_SYSTEM*/
+
 #endif /*HAVE_W32_SYSTEM*/
 #endif /*LIBJNLIB_MISCHELP_H*/