umui.c

在嵌入式移动设备上实现动态网页

				group);
		}
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Delete a group
 */

static void formDeleteGroup(webs_t wp, char_t *path, char_t *query)
{
	char_t	*group, *ok;

	a_assert(wp);

	group = websGetVar(wp, T("group"), T("")); 
	ok = websGetVar(wp, T("ok"), T("")); 

	websHeader(wp);
	websMsgStart(wp);

	if (gstricmp(ok, T("ok")) != 0) {
		websWrite(wp, T("Delete Group Cancelled."));
	} else if ((group == NULL) || (*group == '\0')) {
		websWrite(wp, T("ERROR: No group was selected."));
	} else if (umGetGroupProtected(group)) {
		websWrite(wp, T("ERROR: Group, \"%s\" is delete-protected."), group);
	} else if (umGetGroupInUse(group)) {
		websWrite(wp, T("ERROR: Group, \"%s\" is being used."),	group);
	} else if (umDeleteGroup(group) != 0) {
		websWrite(wp, T("ERROR: Unable to delete group, \"%s\" "), group);
	} else {
		websWrite(wp, T("Group, \"%s\" was successfully deleted."), group);
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Generate HTML to create a list box containing the groups
 */

static int aspGenerateGroupList(int eid, webs_t wp, int argc, char_t **argv)
{
	char_t	*group;
	int		row, nBytesSent, nBytes;

	a_assert(wp);

	row = 0;
	nBytesSent = 0;
	nBytes = websWrite(wp, 
		T("<SELECT NAME=\"group\" SIZE=\"3\" TITLE=\"Select a Group\">"));
/*
 *  Add a special "<NONE>" element to allow de-selection
 */
	nBytes = websWrite(wp, T("<OPTION VALUE=\"\">[NONE]\n"));

	group = umGetFirstGroup();
	while (group && (nBytes > 0)) {
		nBytes = websWrite(wp, T("<OPTION VALUE=\"%s\">%s\n"), group, group);
		group = umGetNextGroup(group);
		nBytesSent += nBytes;
	}

	nBytesSent += websWrite(wp, T("</SELECT>"));

	return nBytesSent;
}

/******************************************************************************/
/*
 *  Add an access limit
 */

static void formAddAccessLimit(webs_t wp, char_t *path, char_t *query)
{
	char_t			*url, *method, *group, *secure, *ok;
	int				nCheck;
	accessMeth_t	am;
	short			nSecure;

	a_assert(wp);

	url = websGetVar(wp, T("url"), T("")); 
	group = websGetVar(wp, T("group"), T("")); 
	method = websGetVar(wp, T("method"), T("")); 
	secure = websGetVar(wp, T("secure"), T("")); 
	ok = websGetVar(wp, T("ok"), T("")); 

	websHeader(wp);
	websMsgStart(wp);

	if (gstricmp(ok, T("ok")) != 0) {
		websWrite(wp, T("Add Access Limit Cancelled."));
	} else if ((url == NULL) || (*url == 0)) {
		websWrite(wp, T("ERROR:  No URL was entered."));
	} else if (umAccessLimitExists(url)) {
		websWrite(wp, T("ERROR:  An Access Limit for [%s] already exists."),
			url);
	} else {
		if (method && *method) {
			am = (accessMeth_t) gatoi(method);
		} else {
			am = AM_FULL;
		}

		if (secure && *secure) {
			nSecure = (short) gatoi(secure);
		} else {
			nSecure = 0;
		}

		nCheck = umAddAccessLimit(url, am, nSecure, group);
		if (nCheck != 0) {
			websWrite(wp, T("Unable to add Access Limit for [%s]"),	url);
		} else {
			websWrite(wp, T("Access limit for [%s], was successfully added."),
				url);
		}
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Delete an Access Limit
 */

static void formDeleteAccessLimit(webs_t wp, char_t *path, char_t *query)
{
	char_t	*url, *ok;

	a_assert(wp);

	url = websGetVar(wp, T("url"), T("")); 
	ok = websGetVar(wp, T("ok"), T("")); 

	websHeader(wp);
	websMsgStart(wp);

	if (gstricmp(ok, T("ok")) != 0) {
		websWrite(wp, T("Delete Access Limit Cancelled"));
	} else if (umDeleteAccessLimit(url) != 0) {
		websWrite(wp, T("ERROR: Unable to delete Access Limit for [%s]"), 
			url);
	} else {
		websWrite(wp, T("Access Limit for [%s], was successfully deleted."), 
			url);
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Generate HTML to create a list box containing the access limits
 */

static int aspGenerateAccessLimitList(int eid, webs_t wp, 
									  int argc, char_t **argv)
{
	char_t	*url;
	int		row, nBytesSent, nBytes;

	a_assert(wp);

	row = nBytesSent = 0;
	url = umGetFirstAccessLimit();
	nBytes = websWrite(wp, 
		T("<SELECT NAME=\"url\" SIZE=\"3\" TITLE=\"Select a URL\">"));

	while (url && (nBytes > 0)) {
		nBytes = websWrite(wp, T("<OPTION VALUE=\"%s\">%s\n"), url, url);
		url = umGetNextAccessLimit(url);
		nBytesSent += nBytes;
	}

	nBytesSent += websWrite(wp, T("</SELECT>"));

	return nBytesSent;
}

/******************************************************************************/
/*
 *  Generate HTML to create a list box containing the access methods
 */

static int aspGenerateAccessMethodList(int eid, webs_t wp, 
									   int argc, char_t **argv)
{
	int		nBytes;

	a_assert(wp);

	nBytes = websWrite(wp, 
		T("<SELECT NAME=\"method\" SIZE=\"3\" TITLE=\"Select a Method\">"));
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">FULL ACCESS\n"), 
		AM_FULL);
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">BASIC ACCESS\n"), 
		AM_BASIC);
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\" SELECTED>DIGEST ACCESS\n"), 
		AM_DIGEST);
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">NO ACCESS\n"), 
		AM_NONE);
	nBytes += websWrite(wp, T("</SELECT>"));

	return nBytes;
}
/******************************************************************************/
/*
 *  Generate HTML to create a list box containing privileges
 */

static int aspGeneratePrivilegeList(int eid, webs_t wp, 
									int argc, char_t **argv)
{
	int		nBytes;

	a_assert(wp);

	nBytes = websWrite(wp, T("<SELECT NAME=\"privilege\" SIZE=\"3\" "));
	nBytes += websWrite(wp, T("MULTIPLE TITLE=\"Choose Privileges\">"));
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">READ\n"), PRIV_READ);
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">EXECUTE\n"), PRIV_WRITE);
	nBytes += websWrite(wp, T("<OPTION VALUE=\"%d\">ADMINISTRATE\n"), 
		PRIV_ADMIN);
	nBytes += websWrite(wp, T("</SELECT>"));

	return nBytes;
}

/******************************************************************************/
/*
 *  Save the user management configuration to a file
 */

static void formSaveUserManagement(webs_t wp, char_t *path, char_t *query)
{
	char_t	*ok;

	a_assert(wp);

	ok = websGetVar(wp, T("ok"), T("")); 

	websHeader(wp);
	websMsgStart(wp);

	if (gstricmp(ok, T("ok")) != 0) {
		websWrite(wp, T("Save Cancelled."));
	} else if (umCommit(NULL) != 0) {
		websWrite(wp, T("ERROR: Unable to save user configuration."));
	} else {
		websWrite(wp, T("User configuration was saved successfully."));
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Load the user management configuration from a file
 */

static void formLoadUserManagement(webs_t wp, char_t *path, char_t *query)
{
	char_t	*ok;

	a_assert(wp);

	ok = websGetVar(wp, T("ok"), T("")); 

	websHeader(wp);
	websMsgStart(wp);

	if (gstricmp(ok, T("ok")) != 0) {
		websWrite(wp, T("Load Cancelled."));
	} else if (umRestore(NULL) != 0) {
		websWrite(wp, T("ERROR: Unable to load user configuration."));
	} else {
		websWrite(wp, T("User configuration was re-loaded successfully."));
	}

	websMsgEnd(wp);
	websFooter(wp);
	websDone(wp, 200);
}

/******************************************************************************/
/*
 *  Message start and end convenience functions
 */

static void	websMsgStart(webs_t wp)
{
	websWrite(wp, MSG_START);
}

static void	websMsgEnd(webs_t wp)
{
	websWrite(wp, MSG_END);
}

/******************************************************************************/