--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loudmouth/src/lm-utils.c	Tue Feb 02 01:10:06 2010 +0200
@@ -0,0 +1,231 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2003 Imendio AB 
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include <glib.h>
+
+#ifndef G_OS_WIN32
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_IDN
+#include <stringprep.h>
+#include <punycode.h>
+#include <idna.h>
+#endif
+
+#include "lm-internals.h"
+#include "lm-utils.h"
+
+#ifdef EMULATOR
+#include "libloudmouth_wsd_solution.h"
+GET_STATIC_VAR_FROM_TLS(last_id, lm_utils, guint)
+  #define last_id (*GET_WSD_VAR_NAME(last_id, lm_utils, s)())
+  
+GET_STATIC_ARRAY_FROM_TLS(base64chars, lm_utils, gchar)
+  #define base64chars (GET_WSD_VAR_NAME(base64chars, lm_utils, s)())
+#endif
+
+
+LmCallback *
+_lm_utils_new_callback (gpointer func, 
+			gpointer user_data,
+			GDestroyNotify notify)
+{
+	LmCallback *cb;
+	
+	cb = g_new0 (LmCallback, 1);
+	cb->func = func;
+	cb->user_data = user_data;
+	cb->notify = notify;
+
+	return cb;
+}
+
+void
+_lm_utils_free_callback (LmCallback *cb)
+{
+	if (!cb) {
+		return;
+	}
+
+	if (cb->notify) {
+		(* cb->notify) (cb->user_data);
+	}
+	g_free (cb);
+}
+
+gchar *
+_lm_utils_generate_id (void)
+{
+#ifndef EMULATOR
+	static guint  last_id = 0;
+#endif
+	GTimeVal      tv;
+	glong         val;
+
+	g_get_current_time (&tv);
+	val = (tv.tv_sec & tv.tv_usec) + last_id++;
+		
+	return g_strdup_printf ("%ld%ld", val, tv.tv_usec);
+}
+
+gchar * 
+_lm_utils_base64_encode (const gchar *s)
+{
+#ifndef EMULATOR
+
+	static const gchar *base64chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+#endif
+	guint    i, j;
+	guint32  bits = 0;
+	guint    maxlen = (strlen(s) * 2) + 3;
+	gchar   *str;
+
+	str = g_malloc(maxlen);
+
+	j = 0;
+	for (i = 0; i < strlen(s); i++) {
+		bits <<= 8;
+		bits |= s[i] & 0xff;
+
+		if (!((i+1) % 3)) {
+			guint indices[4];
+
+			indices[0] = (bits >> 18) & 0x3f;
+			indices[1] = (bits >> 12) & 0x3f;
+			indices[2] = (bits >> 6) & 0x3f;
+			indices[3] = bits & 0x3f;
+			bits = 0;
+
+			str[j++] = base64chars[(indices[0])];
+			str[j++] = base64chars[(indices[1])];
+			str[j++] = base64chars[(indices[2])];
+			str[j++] = base64chars[(indices[3])];
+		}
+	}
+
+	if (j + 4 < maxlen) {
+		if ((i % 3) == 1) {
+			guint indices[2];
+
+			indices[0] = (bits >> 2) & 0x3f;
+			indices[1] = (bits << 4) & 0x3f;
+
+			str[j++] = base64chars[(indices[0])];
+			str[j++] = base64chars[(indices[1])];
+			str[j++] = '=';
+			str[j++] = '=';
+		} else if ((i % 3) == 2) {
+			guint indices[3];
+
+			indices[0] = (bits >> 10) & 0x3f;
+			indices[1] = (bits >> 4) & 0x3f;
+			indices[2] = (bits << 2) & 0x3f;
+
+			str[j++] = base64chars[(indices[0])];
+			str[j++] = base64chars[(indices[1])];
+			str[j++] = base64chars[(indices[2])];
+			str[j++] = '=';
+		}
+	}
+
+	str[j] = '\0';
+
+	return str;
+}
+
+gchar*
+_lm_utils_hostname_to_punycode (const gchar *hostname)
+{
+#ifdef HAVE_IDN
+	char *s;
+	uint32_t *q;
+	int rc;
+	gchar *result;
+
+	q = stringprep_utf8_to_ucs4 (hostname, -1, NULL);
+	if (q == NULL) {
+		return g_strdup (hostname);
+	}
+
+	rc = idna_to_ascii_4z (q, &s, IDNA_ALLOW_UNASSIGNED);
+	free(q);
+	if (rc != IDNA_SUCCESS) {
+		return g_strdup (hostname);
+	}
+
+	/* insures result is allocated through glib */
+	result = g_strdup(s);
+	free(s);
+
+	return result;
+#else
+	return g_strdup(hostname);
+#endif
+}
+
+/**
+ * lm_utils_get_localtime:
+ * @stamp: An XMPP timestamp
+ *
+ * Converts an XMPP timestamp to a struct tm showing local time.
+ * 
+ * Return value: The local time struct.
+ **/
+EXPORT_C struct tm *
+lm_utils_get_localtime (const gchar *stamp)
+{
+	struct tm tm;
+	time_t    t;
+	gint      year, month;
+	
+	g_return_val_if_fail (stamp != NULL, NULL);
+
+	/* 20021209T23:51:30 */
+
+	sscanf (stamp, "%4d%2d%2dT%2d:%2d:%2d", 
+		&year, &month, &tm.tm_mday, &tm.tm_hour,
+		&tm.tm_min, &tm.tm_sec);
+
+	tm.tm_year = year - 1900;
+	tm.tm_mon = month - 1;
+	tm.tm_isdst = -1;
+
+ 	t = mktime (&tm);
+
+#if defined(HAVE_TM_GMTOFF)
+	t += tm.tm_gmtoff;
+#elif defined(HAVE_TIMEZONE)
+	t -= timezone;
+	if (tm.tm_isdst > 0) {
+		t += 3600;
+	}
+#endif	
+
+	return localtime (&t);
+}
+
+