#!/usr/bin/python # # Copyright (C) 2014 Simo Sorce # # see file 'COPYING' for use and warranty information # # This program 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 3 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from ipsilon.tools.certs import Certificate from lxml import etree import lasso SAML2_NAMEID_MAP = { 'email': lasso.SAML2_NAME_IDENTIFIER_FORMAT_EMAIL, 'encrypted': lasso.SAML2_NAME_IDENTIFIER_FORMAT_ENCRYPTED, 'entity': lasso.SAML2_NAME_IDENTIFIER_FORMAT_ENTITY, 'kerberos': lasso.SAML2_NAME_IDENTIFIER_FORMAT_KERBEROS, 'persistent': lasso.SAML2_NAME_IDENTIFIER_FORMAT_PERSISTENT, 'transient': lasso.SAML2_NAME_IDENTIFIER_FORMAT_TRANSIENT, 'unspecified': lasso.SAML2_NAME_IDENTIFIER_FORMAT_UNSPECIFIED, 'windows': lasso.SAML2_NAME_IDENTIFIER_FORMAT_WINDOWS, 'x509': lasso.SAML2_NAME_IDENTIFIER_FORMAT_X509, } SAML2_SERVICE_MAP = { 'sso-post': ('SingleSignOnService', lasso.SAML2_METADATA_BINDING_POST), 'sso-redirect': ('SingleSignOnService', lasso.SAML2_METADATA_BINDING_REDIRECT), 'logout-redirect': ('SingleLogoutService', lasso.SAML2_METADATA_BINDING_REDIRECT), 'response-post': ('AssertionConsumerService', lasso.SAML2_METADATA_BINDING_POST) } EDESC = '{%s}EntityDescriptor' % lasso.SAML2_METADATA_HREF NSMAP = { 'md': lasso.SAML2_METADATA_HREF, 'ds': lasso.DS_HREF } IDPDESC = 'IDPSSODescriptor' SPDESC = 'SPSSODescriptor' IDP_ROLE = 'idp' SP_ROLE = 'sp' def mdElement(_parent, _tag, **kwargs): tag = '{%s}%s' % (lasso.SAML2_METADATA_HREF, _tag) return etree.SubElement(_parent, tag, **kwargs) def dsElement(_parent, _tag, **kwargs): tag = '{%s}%s' % (lasso.DS_HREF, _tag) return etree.SubElement(_parent, tag, **kwargs) class Metadata(object): def __init__(self, role=None): self.root = etree.Element(EDESC, nsmap=NSMAP) self.entityid = None self.role = None self.set_role(role) def set_entity_id(self, url): self.entityid = url self.root.set('entityID', url) def set_role(self, role): if role is None: return elif role == IDP_ROLE: description = IDPDESC elif role == SP_ROLE: description = SPDESC else: raise ValueError('invalid role: %s' % role) self.role = mdElement(self.root, description) self.role.set('protocolSupportEnumeration', lasso.SAML2_PROTOCOL_HREF) return self.role def add_cert(self, certdata, use): desc = mdElement(self.role, 'KeyDescriptor') desc.set('use', use) info = dsElement(desc, 'KeyInfo') data = dsElement(info, 'X509Data') cert = dsElement(data, 'X509Certificate') cert.text = certdata def add_certs(self, signcert=None, enccert=None): if signcert: self.add_cert(signcert.get_cert(), 'signing') if enccert: self.add_cert(enccert.get_cert(), 'encryption') def add_service(self, service, location, **kwargs): svc = mdElement(self.role, service[0]) svc.set('Binding', service[1]) svc.set('Location', location) for key, value in kwargs.iteritems(): svc.set(key, value) def add_allowed_name_format(self, name_format): nameidfmt = mdElement(self.role, 'NameIDFormat') nameidfmt.text = name_format def output(self, path): data = etree.tostring(self.root, xml_declaration=True, encoding='UTF-8', pretty_print=True) with open(path, 'w') as f: f.write(data) if __name__ == '__main__': import tempfile import shutil import os tmpdir = tempfile.mkdtemp() try: # Test IDP generation sign_cert = Certificate(tmpdir) sign_cert.generate('idp-signing-cert', 'idp.ipsilon.example.com') enc_cert = Certificate(tmpdir) enc_cert.generate('idp-encryption-cert', 'idp.ipsilon.example.com') idp = Metadata() idp.set_entity_id('https://ipsilon.example.com/idp/metadata') idp.set_role(IDP_ROLE) idp.add_certs(sign_cert, enc_cert) idp.add_service(SAML2_SERVICE_MAP['sso-post'], 'https://ipsilon.example.com/idp/saml2/POST') idp.add_service(SAML2_SERVICE_MAP['sso-redirect'], 'https://ipsilon.example.com/idp/saml2/Redirect') for k in SAML2_NAMEID_MAP: idp.add_allowed_name_format(SAML2_NAMEID_MAP[k]) md_file = os.path.join(tmpdir, 'metadata.xml') idp.output(md_file) with open(md_file) as fd: text = fd.read() print '==================== IDP ====================' print text print '=============================================' # Test SP generation sign_cert = Certificate(tmpdir) sign_cert.generate('sp-signing-cert', 'sp.ipsilon.example.com') sp = Metadata() sp.set_entity_id('https://ipsilon.example.com/samlsp/metadata') sp.set_role(SP_ROLE) sp.add_certs(sign_cert) sp.add_service(SAML2_SERVICE_MAP['logout-redirect'], 'https://ipsilon.example.com/samlsp/logout') sp.add_service(SAML2_SERVICE_MAP['response-post'], 'https://ipsilon.example.com/samlsp/postResponse') md_file = os.path.join(tmpdir, 'metadata.xml') sp.output(md_file) with open(md_file) as fd: text = fd.read() print '===================== SP ====================' print text print '=============================================' finally: shutil.rmtree(tmpdir) 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (c) 2015 Google, Inc
 */

#ifndef __video_console_h
#define __video_console_h

#include <video.h>

#define VID_FRAC_DIV	256

#define VID_TO_PIXEL(x)	((x) / VID_FRAC_DIV)
#define VID_TO_POS(x)	((x) * VID_FRAC_DIV)

/*
 * The 16 colors supported by the console
 */
enum color_idx {
	VID_BLACK = 0,
	VID_RED,
	VID_GREEN,
	VID_BROWN,
	VID_BLUE,
	VID_MAGENTA,
	VID_CYAN,
	VID_LIGHT_GRAY,
	VID_GRAY,
	VID_LIGHT_RED,
	VID_LIGTH_GREEN,
	VID_YELLOW,
	VID_LIGHT_BLUE,
	VID_LIGHT_MAGENTA,
	VID_LIGHT_CYAN,
	VID_WHITE,

	VID_COLOR_COUNT
};

/**
 * struct vidconsole_priv - uclass-private data about a console device
 *
 * Drivers must set up @rows, @cols, @x_charsize, @y_charsize in their probe()
 * method. Drivers may set up @xstart_frac if desired.
 *
 * @sdev:		stdio device, acting as an output sink
 * @xcur_frac:		Current X position, in fractional units (VID_TO_POS(x))
 * @ycur:		Current Y position in pixels (0=top)
 * @rows:		Number of text rows
 * @cols:		Number of text columns
 * @x_charsize:		Character width in pixels
 * @y_charsize:		Character height in pixels
 * @tab_width_frac:	Tab width in fractional units
 * @xsize_frac:		Width of the display in fractional units
 * @xstart_frac:	Left margin for the text console in fractional units
 * @last_ch:		Last character written to the text console on this line
 * @escape:		TRUE if currently accumulating an ANSI escape sequence
 * @escape_len:		Length of accumulated escape sequence so far
 * @col_saved:		Saved X position, in fractional units (VID_TO_POS(x))
 * @row_saved:		Saved Y position in pixels (0=top)
 * @escape_buf:		Buffer to accumulate escape sequence
 */
struct vidconsole_priv {
	struct stdio_dev sdev;
	int xcur_frac;
	int ycur;
	int rows;
	int cols;
	int x_charsize;
	int y_charsize;
	int tab_width_frac;
	int xsize_frac;
	int xstart_frac;
	int last_ch;
	/*
	 * ANSI escape sequences are accumulated character by character,
	 * starting after the ESC char (0x1b) until the entire sequence
	 * is consumed at which point it is acted upon.
	 */
	int escape;
	int escape_len;
	int row_saved;
	int col_saved;
	char escape_buf[32];
};

/**
 * struct vidconsole_ops - Video console operations
 *
 * These operations work on either an absolute console position (measured
 * in pixels) or a text row number (measured in rows, where each row consists
 * of an entire line of text - typically 16 pixels).
 */
struct vidconsole_ops {
	/**
	 * putc_xy() - write a single character to a position
	 *
	 * @dev:	Device to write to
	 * @x_frac:	Fractional pixel X position (0=left-most pixel) which
	 *		is the X position multipled by VID_FRAC_DIV.
	 * @y:		Pixel Y position (0=top-most pixel)
	 * @ch:		Character to write
	 * @return number of fractional pixels that the cursor should move,
	 * if all is OK, -EAGAIN if we ran out of space on this line, other -ve
	 * on error
	 */
	int (*putc_xy)(struct udevice *dev, uint x_frac, uint y, char ch);

	/**
	 * move_rows() - Move text rows from one place to another
	 *
	 * @dev:	Device to adjust
	 * @rowdst:	Destination text row (0=top)
	 * @rowsrc:	Source start text row
	 * @count:	Number of text rows to move
	 * @return 0 if OK, -ve on error
	 */
	int (*move_rows)(struct udevice *dev, uint rowdst, uint rowsrc,
			  uint count);

	/**
	 * set_row() - Set the colour of a text row
	 *
	 * Every pixel contained within the text row is adjusted
	 *
	 * @dev:	Device to adjust
	 * @row:	Text row to adjust (0=top)
	 * @clr:	Raw colour (pixel value) to write to each pixel
	 * @return 0 if OK, -ve on error
	 */
	int (*set_row)(struct udevice *dev, uint row, int clr);

	/**
	 * entry_start() - Indicate that text entry is starting afresh
	 *
	 * Consoles which use proportional fonts need to track the position of
	 * each character output so that backspace will return to the correct
	 * place. This method signals to the console driver that a new entry
	 * line is being start (e.g. the user pressed return to start a new
	 * command). The driver can use this signal to empty its list of
	 * positions.
	 */
	int (*entry_start)(struct udevice *dev);

	/**
	 * backspace() - Handle erasing the last character
	 *
	 * With proportional fonts the vidconsole uclass cannot itself erase
	 * the previous character. This optional method will be called when
	 * a backspace is needed. The driver should erase the previous
	 * character and update the cursor position (xcur_frac, ycur) to the
	 * start of the previous character.
	 *
	 * If not implement, default behaviour will work for fixed-width
	 * characters.
	 */
	int (*backspace)(struct udevice *dev);
};

/* Get a pointer to the driver operations for a video console device */
#define vidconsole_get_ops(dev)  ((struct vidconsole_ops *)(dev)->driver->ops)

/**
 * vidconsole_putc_xy() - write a single character to a position
 *
 * @dev:	Device to write to
 * @x_frac:	Fractional pixel X position (0=left-most pixel) which
 *		is the X position multipled by VID_FRAC_DIV.
 * @y:		Pixel Y position (0=top-most pixel)
 * @ch:		Character to write
 * @return number of fractional pixels that the cursor should move,
 * if all is OK, -EAGAIN if we ran out of space on this line, other -ve
 * on error
 */
int vidconsole_putc_xy(struct udevice *dev, uint x, uint y, char ch);

/**
 * vidconsole_move_rows() - Move text rows from one place to another
 *
 * @dev:	Device to adjust
 * @rowdst:	Destination text row (0=top)
 * @rowsrc:	Source start text row
 * @count:	Number of text rows to move
 * @return 0 if OK, -ve on error
 */
int vidconsole_move_rows(struct udevice *dev, uint rowdst, uint rowsrc,
			 uint count);

/**
 * vidconsole_set_row() - Set the colour of a text row
 *
 * Every pixel contained within the text row is adjusted
 *
 * @dev:	Device to adjust
 * @row:	Text row to adjust (0=top)
 * @clr:	Raw colour (pixel value) to write to each pixel
 * @return 0 if OK, -ve on error
 */
int vidconsole_set_row(struct udevice *dev, uint row, int clr);

/**
 * vidconsole_put_char() - Output a character to the current console position
 *
 * Outputs a character to the console and advances the cursor. This function
 * handles wrapping to new lines and scrolling the console. Special
 * characters are handled also: \n, \r, \b and \t.
 *
 * The device always starts with the cursor at position 0,0 (top left). It
 * can be adjusted manually using vidconsole_position_cursor().
 *
 * @dev:	Device to adjust
 * @ch:		Character to write
 * @return 0 if OK, -ve on error
 */
int vidconsole_put_char(struct udevice *dev, char ch);

/**
 * vidconsole_put_string() - Output a string to the current console position
 *
 * Outputs a string to the console and advances the cursor. This function
 * handles wrapping to new lines and scrolling the console. Special
 * characters are handled also: \n, \r, \b and \t.
 *
 * The device always starts with the cursor at position 0,0 (top left). It
 * can be adjusted manually using vidconsole_position_cursor().
 *
 * @dev:	Device to adjust
 * @str:	String to write
 * @return 0 if OK, -ve on error
 */
int vidconsole_put_string(struct udevice *dev, const char *str);

/**
 * vidconsole_position_cursor() - Move the text cursor
 *
 * @dev:	Device to adjust
 * @col:	New cursor text column
 * @row:	New cursor text row
 * @return 0 if OK, -ve on error
 */
void vidconsole_position_cursor(struct udevice *dev, unsigned col,
				unsigned row);

#ifdef CONFIG_DM_VIDEO

/**
 * vid_console_color() - convert a color code to a pixel's internal
 * representation
 *
 * The caller has to guarantee that the color index is less than
 * VID_COLOR_COUNT.
 *
 * @priv	private data of the console device
 * @idx		color index
 * @return	color value
 */
u32 vid_console_color(struct video_priv *priv, unsigned int idx);

#endif

#endif