trunk/Src/wptCardEditCB.cpp

/* wptCardEditCB.cpp - Card callbacks
 *      Copyright (C) 2003, 2004, 2005 Timo Schulz
 *      Copyright (C) 2005 g10 Code GmbH
 *
 * This file is part of WinPT.
 *
 * WinPT 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.
 *
 * WinPT 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, gpg_write to the Free Software Foundation, 
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */
#include <windows.h>
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <stdlib.h>

#include "gpgme.h"
#include "wptCardEdit.h"
#include "wptCard.h"

#define save_write(val) ((val)? (val) : "")


/* Wrapper to emulate gpg_write(). */
static int
gpg_write (int fd, const void *buf, size_t buflen)
{
    HANDLE hd = (HANDLE)fd;
    DWORD n;

    WriteFile (hd, buf, buflen, &n, NULL);
    return n;
}


static gpgme_error_t
change_pin_handler (void *opaque, gpgme_status_code_t code, const char *key, int fd)
{
    GpgCardEdit *c = (GpgCardEdit *)opaque;
    const char *s = "";

    if (!c)
        return gpg_error (GPG_ERR_EOF);

    if (!strcmp (key,  "cardctrl.insert_card_okay")) {
        if (c->card_cb) {
            s = c->card_cb (1, c->cb_value);
            gpg_write (fd, s, strlen (s));
            return 0;
        }
    }
    if (!strcmp (key,  "cardedit.prompt")) {
        if (c->cnt++ == 0)
            s = "admin";
        else if (c->cnt++ == 1)
            s = "passwd";
        else
            s = "quit";
        gpg_write (fd, s, strlen (s));
        return 0;
    }
    if (!strcmp (key,  "cardutil.change_pin.menu")) {
        if (c->cnt++ == 2) {
            switch (c->type) {
            case GPG_EDITCARD_CHUPIN: s = "1";
            case GPG_EDITCARD_UNBPIN: s = "2";
            case GPG_EDITCARD_CHAPIN: s = "3";
            default: c->cnt = 0;      s = "Q";
            }
            gpg_write (fd, s, strlen (s));
            return 0;
        }
        else if (c->cnt > 0) {
            c->cnt = 0;
            gpg_write (fd, "Q", 1);
            return 0;
        }
    }
    if (c->type == GPG_EDITCARD_CHUPIN) {
        if (!strcmp (key, "passphrase.pin.ask")) {
            s = c->pin;
            c->cnt++;
        }
        if (!strcmp (key, "passphrase.pin.new.ask")) {
            s = c->pin_new;
            c->cnt++;
        }
        if (!strcmp (key, "passphrase.pin.repeat")) {
            s = c->pin_new;
            c->cnt++;
        }
        gpg_write (fd, s, strlen (s));
    }
    else if (c->type == GPG_EDITCARD_CHAPIN) {
        if (!strcmp (key, "passphrase.adminpin.ask")) {
            s = c->pin;
            c->cnt++;
        }
        if (!strcmp (key, "passphrase.adminpin.new.ask")) {
            s = c->pin_new;
            c->cnt++;
        }
        if (!strcmp (key, "passphrase.pin.repeat")) {
            s = c->pin_new;
            c->cnt++;
        }
        gpg_write (fd, s, strlen (s));
    }
    else if (c->type == GPG_EDITCARD_UNBPIN) {
        /* todo */
    }

    return 0;
}


static gpgme_error_t
editcard_handler (void * opaque, gpgme_status_code_t code, 
                  const char *key, int fd)
{
    GpgCardEdit *c = (GpgCardEdit *)opaque;   
    const char *s = "";

    if (!c)
        return gpg_error (GPG_ERR_EOF);
    
    if (!strcmp (key, "cardctrl.insert_card.okay")) {
        if (c->card_cb) {
            s =  c->card_cb (1, c->cb_value);
            gpg_write (fd, s, strlen (s));
            return 0;
        }
    }

    if (!strcmp (key, "cardedit.prompt")) {
        if (c->cnt++ == 0) { /* first switch in the admin mode */
            s = "admin";
            gpg_write (fd, s, strlen (s));
            return 0;
        }
        if (c->cnt == 1) {/* then run the send command */
            c->cnt++;
            switch (c->type) {
            case GPG_EDITCARD_NAME:   s = "name";
            case GPG_EDITCARD_KEYURL: s = "url";
            case GPG_EDITCARD_LOGIN:  s = "login";
            case GPG_EDITCARD_SEX:    s = "sex";
            case GPG_EDITCARD_LANG:   s = "lang";
            case GPG_EDITCARD_GENKEY: s = "generate";
            default:                  s =  "quit";
            }
            gpg_write (fd, s, strlen (s));
            return 0;
        }
        else if (c->cnt >= 2) {/* done: send exit */
            c->cnt = 0;
            s = "quit";
            gpg_write (fd, s, strlen (s));
            return 0;
        }
    }
    if (c->cnt > 0) {
        if (!strcmp (key, "passphrase.adminpin.ask")) {
            gpg_write (fd, c->admin_pin, strlen (c->admin_pin));
            return 0;
        }
        if (!strcmp (key, "passphrase.pin.ask")) {
            gpg_write (fd, c->pin, strlen (c->pin));
            return 0;
        }
    }
    switch (c->type) {
    case GPG_EDITCARD_NAME:
        if (!strcmp (key, "keygen.smartcard.surname")) {
            s = save_write (c->edit.surname);
            gpg_write (fd, s, strlen (s));
        }
        else if (!strcmp (key, "keygen.smartcard.givenname")) {
            s = save_write (c->edit.givenname);
            gpg_write (fd, s, strlen (s));
        }
        break;

    case GPG_EDITCARD_KEYURL:
        if (!strcmp (key, "cardedit.change_url")) {
            s = save_write (c->edit.keyurl);
            gpg_write (fd, s, strlen (s));
        }
        break;

    case GPG_EDITCARD_LOGIN:
        if (!strcmp (key, "cardedit.change_login"))  {
            s = save_write (c->edit.login);
            gpg_write (fd, s, strlen (s));
        }
        break;

    case GPG_EDITCARD_SEX:
        if (!strcmp (key, "cardedit.change_sex")) {
            static char buf[2];
            if (c->edit.sex != 'M'
                && c->edit.sex != 'F'
                && c->edit.sex != ' ') {
                buf[0] = ' '; buf[1] = 0;
            }
            else {
                buf[0] = c->edit.sex; buf[1] = 0;
            }
            gpg_write (fd, buf, strlen (buf));
        }
        break;

    case GPG_EDITCARD_LANG:
        if (!strcmp (key, "cardedit.change_lang")) {
            s = save_write (c->edit.lang);
            gpg_write (fd, s, strlen (s));
        }
        break;

    case GPG_EDITCARD_GENKEY:
        if (!strcmp (key, "passphrase.enter"))
            gpg_write (fd, c->keygen.pass, strlen (c->keygen.pass));
        if (!strcmp (key, "cardedit.genkeys.backup_enc")) {
            s = c->keygen.flags & GPG_CARDFLAG_BAKENC? "Y" : "N";
            gpg_write (fd, s, strlen (s));
        }
        if (!strcmp (key, "cardedit.genkeys.replace_keys")) {
            if (! (c->keygen.flags & GPG_CARDFLAG_REPLACE))
                c->cancel = 1;
            s = c->keygen.flags & GPG_CARDFLAG_REPLACE? "Y" : "N";
            gpg_write (fd, s, strlen (s));
        }
        else if (!strcmp (key, "keygen.valid")) {
            s = save_write (c->keygen.expdate);
            gpg_write (fd, s, strlen (s));
        }
        else if (!strcmp (key, "keygen.name")) {
            s = save_write (c->keygen.name);
            gpg_write (fd, s, strlen (s));
        }
        else if (!strcmp (key, "keygen.email")) {
            s = save_write (c->keygen.email);
            gpg_write (fd, s, strlen (s));
        }
        else if (!strcmp (key, "keygen.comment")) {
            s = save_write (c->keygen.comment);
            gpg_write (fd, s, strlen (s));
        }
        break;

    default:
        break;
    }
    
    return 0;
}


gpgme_error_t
gpg_card_edit (gpgme_ctx_t ctx, GpgCardEdit *ce)
{
    gpgme_error_t err;

    if (ce->type > GPG_EDITCARD_CHPIN_ID)
        err = gpgme_op_card_edit (ctx, NULL, change_pin_handler, ce, NULL);
    else
        err = gpgme_op_card_edit (ctx, NULL, editcard_handler, ce, NULL);
    return err;
}
1	twoaday	23	/* wptCardEditCB.cpp - Card callbacks
2			* Copyright (C) 2003, 2004, 2005 Timo Schulz
3	twoaday	24	* Copyright (C) 2005 g10 Code GmbH
4	twoaday	23	*
5			* This file is part of WinPT.
6			*
7			* WinPT is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* WinPT is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18	twoaday	24	* along with this program; if not, gpg_write to the Free Software Foundation,
19	twoaday	23	* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20			*/
21	twoaday	24	#include <windows.h>
22	twoaday	23	#include <stdio.h>
23			#include <malloc.h>
24			#include <string.h>
25			#include <stdlib.h>
26
27	twoaday	25	#include "gpgme.h"
28	twoaday	23	#include "wptCardEdit.h"
29			#include "wptCard.h"
30
31			#define save_write(val) ((val)? (val) : "")
32
33
34	twoaday	24	/* Wrapper to emulate gpg_write(). */
35			static int
36			gpg_write (int fd, const void *buf, size_t buflen)
37			{
38			HANDLE hd = (HANDLE)fd;
39			DWORD n;
40	twoaday	23
41	twoaday	24	WriteFile (hd, buf, buflen, &n, NULL);
42			return n;
43			}
44
45
46	twoaday	23	static gpgme_error_t
47			change_pin_handler (void opaque, gpgme_status_code_t code, const char key, int fd)
48			{
49			GpgCardEdit c = (GpgCardEdit )opaque;
50			const char *s = "";
51
52			if (!c)
53			return gpg_error (GPG_ERR_EOF);
54
55			if (!strcmp (key, "cardctrl.insert_card_okay")) {
56			if (c->card_cb) {
57			s = c->card_cb (1, c->cb_value);
58	twoaday	24	gpg_write (fd, s, strlen (s));
59	twoaday	23	return 0;
60			}
61			}
62			if (!strcmp (key, "cardedit.prompt")) {
63			if (c->cnt++ == 0)
64			s = "admin";
65			else if (c->cnt++ == 1)
66			s = "passwd";
67			else
68			s = "quit";
69	twoaday	24	gpg_write (fd, s, strlen (s));
70	twoaday	23	return 0;
71			}
72			if (!strcmp (key, "cardutil.change_pin.menu")) {
73			if (c->cnt++ == 2) {
74			switch (c->type) {
75			case GPG_EDITCARD_CHUPIN: s = "1";
76			case GPG_EDITCARD_UNBPIN: s = "2";
77			case GPG_EDITCARD_CHAPIN: s = "3";
78			default: c->cnt = 0; s = "Q";
79			}
80	twoaday	24	gpg_write (fd, s, strlen (s));
81	twoaday	23	return 0;
82			}
83			else if (c->cnt > 0) {
84			c->cnt = 0;
85	twoaday	24	gpg_write (fd, "Q", 1);
86	twoaday	23	return 0;
87			}
88			}
89			if (c->type == GPG_EDITCARD_CHUPIN) {
90			if (!strcmp (key, "passphrase.pin.ask")) {
91			s = c->pin;
92			c->cnt++;
93			}
94			if (!strcmp (key, "passphrase.pin.new.ask")) {
95			s = c->pin_new;
96			c->cnt++;
97			}
98			if (!strcmp (key, "passphrase.pin.repeat")) {
99			s = c->pin_new;
100			c->cnt++;
101			}
102	twoaday	24	gpg_write (fd, s, strlen (s));
103	twoaday	23	}
104			else if (c->type == GPG_EDITCARD_CHAPIN) {
105			if (!strcmp (key, "passphrase.adminpin.ask")) {
106			s = c->pin;
107			c->cnt++;
108			}
109			if (!strcmp (key, "passphrase.adminpin.new.ask")) {
110			s = c->pin_new;
111			c->cnt++;
112			}
113			if (!strcmp (key, "passphrase.pin.repeat")) {
114			s = c->pin_new;
115			c->cnt++;
116			}
117	twoaday	24	gpg_write (fd, s, strlen (s));
118	twoaday	23	}
119			else if (c->type == GPG_EDITCARD_UNBPIN) {
120			/* todo */
121			}
122
123			return 0;
124			}
125
126
127			static gpgme_error_t
128			editcard_handler (void * opaque, gpgme_status_code_t code,
129			const char *key, int fd)
130			{
131			GpgCardEdit c = (GpgCardEdit )opaque;
132			const char *s = "";
133
134			if (!c)
135			return gpg_error (GPG_ERR_EOF);
136
137			if (!strcmp (key, "cardctrl.insert_card.okay")) {
138			if (c->card_cb) {
139			s = c->card_cb (1, c->cb_value);
140	twoaday	24	gpg_write (fd, s, strlen (s));
141	twoaday	23	return 0;
142			}
143			}
144
145			if (!strcmp (key, "cardedit.prompt")) {
146			if (c->cnt++ == 0) { /* first switch in the admin mode */
147			s = "admin";
148	twoaday	24	gpg_write (fd, s, strlen (s));
149	twoaday	23	return 0;
150			}
151			if (c->cnt == 1) {/* then run the send command */
152			c->cnt++;
153			switch (c->type) {
154			case GPG_EDITCARD_NAME: s = "name";
155			case GPG_EDITCARD_KEYURL: s = "url";
156			case GPG_EDITCARD_LOGIN: s = "login";
157			case GPG_EDITCARD_SEX: s = "sex";
158			case GPG_EDITCARD_LANG: s = "lang";
159			case GPG_EDITCARD_GENKEY: s = "generate";
160			default: s = "quit";
161			}
162	twoaday	24	gpg_write (fd, s, strlen (s));
163	twoaday	23	return 0;
164			}
165			else if (c->cnt >= 2) {/* done: send exit */
166			c->cnt = 0;
167			s = "quit";
168	twoaday	24	gpg_write (fd, s, strlen (s));
169	twoaday	23	return 0;
170			}
171			}
172			if (c->cnt > 0) {
173			if (!strcmp (key, "passphrase.adminpin.ask")) {
174	twoaday	24	gpg_write (fd, c->admin_pin, strlen (c->admin_pin));
175	twoaday	23	return 0;
176			}
177			if (!strcmp (key, "passphrase.pin.ask")) {
178	twoaday	24	gpg_write (fd, c->pin, strlen (c->pin));
179	twoaday	23	return 0;
180			}
181			}
182			switch (c->type) {
183			case GPG_EDITCARD_NAME:
184			if (!strcmp (key, "keygen.smartcard.surname")) {
185			s = save_write (c->edit.surname);
186	twoaday	24	gpg_write (fd, s, strlen (s));
187	twoaday	23	}
188			else if (!strcmp (key, "keygen.smartcard.givenname")) {
189			s = save_write (c->edit.givenname);
190	twoaday	24	gpg_write (fd, s, strlen (s));
191	twoaday	23	}
192			break;
193
194			case GPG_EDITCARD_KEYURL:
195			if (!strcmp (key, "cardedit.change_url")) {
196			s = save_write (c->edit.keyurl);
197	twoaday	24	gpg_write (fd, s, strlen (s));
198	twoaday	23	}
199			break;
200
201			case GPG_EDITCARD_LOGIN:
202			if (!strcmp (key, "cardedit.change_login")) {
203			s = save_write (c->edit.login);
204	twoaday	24	gpg_write (fd, s, strlen (s));
205	twoaday	23	}
206			break;
207
208			case GPG_EDITCARD_SEX:
209			if (!strcmp (key, "cardedit.change_sex")) {
210			static char buf[2];
211			if (c->edit.sex != 'M'
212			&& c->edit.sex != 'F'
213			&& c->edit.sex != ' ') {
214			buf[0] = ' '; buf[1] = 0;
215			}
216			else {
217			buf[0] = c->edit.sex; buf[1] = 0;
218			}
219	twoaday	24	gpg_write (fd, buf, strlen (buf));
220	twoaday	23	}
221			break;
222
223			case GPG_EDITCARD_LANG:
224			if (!strcmp (key, "cardedit.change_lang")) {
225			s = save_write (c->edit.lang);
226	twoaday	24	gpg_write (fd, s, strlen (s));
227	twoaday	23	}
228			break;
229
230			case GPG_EDITCARD_GENKEY:
231			if (!strcmp (key, "passphrase.enter"))
232	twoaday	24	gpg_write (fd, c->keygen.pass, strlen (c->keygen.pass));
233	twoaday	23	if (!strcmp (key, "cardedit.genkeys.backup_enc")) {
234			s = c->keygen.flags & GPG_CARDFLAG_BAKENC? "Y" : "N";
235	twoaday	24	gpg_write (fd, s, strlen (s));
236	twoaday	23	}
237			if (!strcmp (key, "cardedit.genkeys.replace_keys")) {
238			if (! (c->keygen.flags & GPG_CARDFLAG_REPLACE))
239			c->cancel = 1;
240			s = c->keygen.flags & GPG_CARDFLAG_REPLACE? "Y" : "N";
241	twoaday	24	gpg_write (fd, s, strlen (s));
242	twoaday	23	}
243			else if (!strcmp (key, "keygen.valid")) {
244			s = save_write (c->keygen.expdate);
245	twoaday	24	gpg_write (fd, s, strlen (s));
246	twoaday	23	}
247			else if (!strcmp (key, "keygen.name")) {
248			s = save_write (c->keygen.name);
249	twoaday	24	gpg_write (fd, s, strlen (s));
250	twoaday	23	}
251			else if (!strcmp (key, "keygen.email")) {
252			s = save_write (c->keygen.email);
253	twoaday	24	gpg_write (fd, s, strlen (s));
254	twoaday	23	}
255			else if (!strcmp (key, "keygen.comment")) {
256			s = save_write (c->keygen.comment);
257	twoaday	24	gpg_write (fd, s, strlen (s));
258	twoaday	23	}
259			break;
260
261			default:
262			break;
263			}
264
265			return 0;
266			}
267
268
269			gpgme_error_t
270			gpg_card_edit (gpgme_ctx_t ctx, GpgCardEdit *ce)
271			{
272			gpgme_error_t err;
273
274			if (ce->type > GPG_EDITCARD_CHPIN_ID)
275			err = gpgme_op_card_edit (ctx, NULL, change_pin_handler, ce, NULL);
276			else
277			err = gpgme_op_card_edit (ctx, NULL, editcard_handler, ce, NULL);
278			return err;
279			}