trunk/Src/wptCardEdit.cpp

/* wptCardEdit.cpp - OpenPGP editing interface
 *      Copyright (C) 2005 Timo Schulz
 *
 * 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 WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <time.h>

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

/* Create a new Smartcard context. */
static gpgme_error_t
gpg_card_new (gpg_card_t *ret_card)
{
    gpg_card_t c;

    if (!ret_card)
        return gpg_error (GPG_ERR_INV_ARG);
    *ret_card = NULL;
    c = (gpg_card_t)calloc (1, sizeof *c);
    if (!c)
        return gpg_error (GPG_ERR_ENOMEM);
    *ret_card = c;
    return 0;
}


/* Release an existing Smartcard context. @card. */
void
gpg_card_release (gpg_card_t card)
{
    int i;

    if (!card)
        return;
    if (card->aid)
        free (card->aid);   
    if (card->version)
        free (card->version);
    if (card->lang)
        free (card->lang);
    if (card->login)
        free (card->login);
    for (i=0; i < 3; i++) {
        if (card->fpr[i])
            free (card->fpr[i]);
        if (card->ca_fpr[i])
            free (card->ca_fpr[i]);
        if (card->fpr_created_str[i])
            free (card->fpr_created_str[i]);
    }
    if (card->surname)
        free (card->surname);
    if (card->givenname)
        free (card->givenname);
    if (card->serial)
        free (card->serial);
    if (card->vendor)
        free (card->vendor);
    if (card->url)
        free (card->url);
    if (card->card_type)
        free (card->card_type);
    free (card);

}


/* Parse the timestamp @long_ts and return a string
   representation of it (format: YYYY-DD-MM HH:MM:SS). */
static char*
get_str_timestamp (long long_ts)
{
    struct tm *tm;
    char *p, *fmt;

    tm = localtime (&long_ts);
    fmt = "%04d-%02d-%02d %02d:%02d:%02d";
    p = (char*)calloc (1, strlen (fmt)+32);
    if (!p)
        abort ();
    sprintf (p, fmt,
             tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
             tm->tm_hour, tm->tm_min, tm->tm_sec);
    return p;
}


/* Colon handler for parsing the GPG card colon output. */
static gpgme_error_t
statuscard_colon_handler (gpg_card_t card, char * line)
{
    enum rectype_t {
        CARD_None = 0,
        CARD_AID,
        CARD_Version,
        CARD_Vendor,
        CARD_Serial,
        CARD_Name,
        CARD_Lang,
        CARD_Sex,
        CARD_Url,
        CARD_Login,
        CARD_MaxPinLen,
        CARD_SigCount,
        CARD_CAFpr,
        CARD_Fpr,
        CARD_FprTime
    };
    enum rectype_t rectype;    
    char *p, *pend;
    int field = 0;

    if (!line)
        return gpg_error (GPG_ERR_EOF);

    for (p = line; p; p = pend) {
        field++;
        pend = strchr (p, ':');
        if (pend)
            *pend++ = 0;

        if (field == 1) {
            if (!strcmp (p, "AID"))
                rectype = CARD_AID;
            else if( !strcmp( p, "version" ) )
                rectype = CARD_Version;
            else if( !strcmp( p, "vendor" ) )
                rectype = CARD_Vendor;
            else if( !strcmp( p, "serial" ) )
                rectype = CARD_Serial;
            else if( !strcmp( p, "name" ) )
                rectype = CARD_Name;
            else if( !strcmp( p, "lang" ) )
                rectype = CARD_Lang;
            else if( !strcmp( p, "sex" ) )
                rectype = CARD_Sex;
            else if( !strcmp( p, "url" ) )
                rectype = CARD_Url;
            else if( !strcmp( p, "login" ) )
                rectype = CARD_Login;
            else if( !strcmp( p, "maxpinlen" ) )
                rectype = CARD_MaxPinLen;
            else if( !strcmp( p, "sigcount" ) )
                rectype = CARD_SigCount;
            else if (!strcmp (p, "cafpr"))
                rectype = CARD_CAFpr;
            else if (!strcmp (p, "fpr"))
                rectype = CARD_Fpr;         
            else if (!strcmp (p, "fprtime"))
                rectype = CARD_FprTime;
            else
                rectype = CARD_None;
        }
        switch (rectype) {
        case CARD_AID:
            if (field == 2) {
                card->aid = strdup (p);
                if (!card->aid)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            else if (field == 3) {
                card->card_type = strdup (p);
                if (!card->card_type)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;

        case CARD_Version:
            if (field == 2) {
                card->version = strdup (p);
                if (!card->version)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;

        case CARD_Vendor:
            if (field == 3) {
                card->vendor = strdup (p);
                if (!card->vendor)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;

        case CARD_Serial:
            if (field == 2) {
                card->serial = strdup (p);
                if (!card->serial)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;
        case CARD_Name:
            if (field == 2) {
                card->givenname = strdup (p);
                if (!card->givenname)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            else if (field == 3) {
                card->surname = strdup (p);
                if (!card->surname)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;
        case CARD_Lang:
            if( field == 2 ) {
                card->lang = strdup (p);
                if (!card->lang)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;
        case CARD_Sex:
            if( field == 2 )
                card->sex = *p;
            break;

        case CARD_Url:
            if( field == 2 ) {
                if (card->url)
                    free (card->url);
                card->url = (char*)calloc (1, strlen (p) + 1);
                if( !card->url ) {
                    return gpg_error (GPG_ERR_ENOMEM);
                }
                gpg_decode_c_string (p, &card->url, strlen (p) + 1);
                if (!card->url)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;

        case CARD_Login:
            if (field == 2) {
                card->login = strdup (p);
                if (!card->login)
                    return gpg_error (GPG_ERR_ENOMEM);
            }
            break;

        case CARD_MaxPinLen:
            break;

        case CARD_SigCount:
            if (field == 2)
                card->sig_count = atol (p);
            break;

        case CARD_CAFpr:
            if (!p)
                break;
            if (field > 4 || field == 1)
                break;
            card->ca_fpr[field-2] = strdup (p);
            if (!card->ca_fpr[field-2])
                return gpg_error (GPG_ERR_ENOMEM);
            break;

        case CARD_Fpr:
            if (field > 4 || field == 1) /* max 3 fprs */
                break;
            card->fpr[field-2] = strdup (p);
            if (!card->fpr[field-2])
                return gpg_error (GPG_ERR_ENOMEM);
            break;

        case CARD_FprTime:
            if (field > 4 || field == 1)
                break;
            card->fpr_created[field-2] = strtoul (p, NULL, 10);
            card->fpr_created_str[field-2] = get_str_timestamp (strtoul (p, NULL, 10));
            if (!card->fpr_created_str[field-2])
                return gpg_error (GPG_ERR_ENOMEM);
            break;

        }
    }
    return 0;
}


/* Dummy handler to get the colon data and then quit. */
static gpgme_error_t
list_handler (void *opaque, gpgme_status_code_t code, const char *key, int fd)
{
    static int wait_card=0;
    GpgCardEdit *ce = (GpgCardEdit *)opaque;
    const char *s="";    
    DWORD n;
        

    if (code == GPGME_STATUS_CARDCTRL) {
        if (!strcmp (key, "5"))
            ce->setResult (GPG_CARDRES_NOCARD);
        else if (!strcmp (key, "1"))
            wait_card = 1;
    }
    if (wait_card && !strcmp (key, "cardctrl.insert_card.okay")) {
        n = MessageBox (NULL, _("Please insert the card and click OK or Cancel to abort."),
                        _("GPG Card Status"), MB_ICONQUESTION|MB_OKCANCEL);
        if (n == IDCANCEL) {
            ce->setResult (GPG_CARDRES_CANCEL);
            WriteFile ((HANDLE)fd, "c\n", 2, &n, NULL);
            wait_card = 0;
        }
    }
    if (!strcmp (key, "cardedit.prompt")) {
        s = "quit\n";
        if (!WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL))
            log_debug ("list_handler: WriteFile() failed ec=%d\r\n", 
                       (int)GetLastError ());
        wait_card = 0;
    }
    return 0;
}


/* Construct an empty object. */
GpgCardEdit::GpgCardEdit (void)
{
    pin = NULL;
    pin_new = NULL;
    admin_pin = NULL;

    keygen.comment = NULL;
    keygen.email = NULL;
    keygen.name = NULL;
    keygen.expdate = NULL;
    keygen.key_fpr = NULL;

    type = 0;
    cnt = 0;
    cancel = 0;
    result = 0;

    gpgme_new (&ctx); /* XXX: check return code */
}

/* Release the object. */
GpgCardEdit::~GpgCardEdit (void)
{    
    if (keygen.name)
        free (keygen.name);
    if (keygen.comment)
        free (keygen.comment);
    if (keygen.email)
        free (keygen.email);
    if (keygen.expdate)
        free (keygen.expdate);
    if (keygen.key_fpr)
        free (keygen.key_fpr);
    gpgme_release (ctx);
}


/* Set the user PIN for the object to @pin. */
void
GpgCardEdit::setPIN (const char *pin)
{
    this->pin = pin;
}

/* Set the admin PIN for the object to @admin_pin. */
void
GpgCardEdit::setAdminPIN (const char *admin_pin)
{
    this->admin_pin = admin_pin;
}


/* Set the new user PIN for the object to @new_pin. */
void 
GpgCardEdit::setNewPIN (const char *new_pin)
{
    this->pin_new = new_pin;
}


/* Set the passphrase needed when generating a key to @pass. */
void
GpgCardEdit::setKeygenPassphrase (const char *pass)
{
    this->keygen.pass = pass;
}


/* Set the callback to @cb and the hook value to @cb_value. */
void
GpgCardEdit::setCallback (const char* (*cb)(int code, void *opaque), 
                          void *cb_value)
{
    this->cb_value = cb_value;
    this->card_cb = cb;
}


/* Read the information from the inserted card and return
   it in form of a card context @r_card.
   Return value: 0 on success. */
gpgme_error_t
GpgCardEdit::getCardStatus (gpg_card_t *r_card)
{
    gpgme_data_t out = NULL;
    gpgme_error_t err;
    gpg_card_t card=NULL;
    char buf[200];

    if (!r_card)
        return gpg_error (GPG_ERR_INV_ARG);

    err = gpg_card_new (&card);
    if (err)
        return err;

    err = gpgme_data_new (&out);
    if (err) {
        gpg_card_release (card);
        return err;
    }
    
    err = gpgme_op_card_edit  (ctx, NULL, list_handler, this, out);
    gpgme_data_rewind (out);
    if (err) {
        gpgme_data_release (out);
        gpg_card_release (card);
        return err;
    }
    if (getResult () & GPG_CARDRES_NOCARD ||
        getResult () & GPG_CARDRES_CANCEL) {
        gpg_card_release (card);
        gpgme_data_release (out);
        return gpg_error (GPG_ERR_CARD_NOT_PRESENT);
    }

    *r_card = card;
    while (gpg_data_readline (out, buf, sizeof (buf)-2) > 0) {
        err = statuscard_colon_handler (card, buf);
        if (err)
            break;
    }
    gpgme_data_release (out);

    return err;
}


/* Generate a key on a smart card with the following params:
   @flags: user specific params.
   @name: name of the key holder.
   @email: email of the key holder.
   @comment: optional comment.
   @valid: how long is the key valid in days.
   Return value: 0 on success. */
gpgme_error_t
GpgCardEdit::genKey (int flags, const char *name,
                     const char *email, const char *comment, long valid,
                     char **r_key_fpr)
{
    gpgme_error_t err;

    if (!name || !email)
        return gpg_error (GPG_ERR_INV_ARG);
    if (!this->keygen.pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITCARD_GENKEY;
    this->keygen.flags = flags;

    if (this->keygen.name)
        free (this->keygen.name);
    this->keygen.name = strdup (name);
    if (this->keygen.email)
        free (this->keygen.email);
    this->keygen.email = strdup (email);
    if (this->keygen.comment)
        free (this->keygen.comment);
    this->keygen.comment = comment? strdup (comment) : strdup ("");
    if (this->keygen.expdate)
        free (this->keygen.expdate);
    this->keygen.expdate = (char*)calloc (1, 16);
    if (this->keygen.expdate)
        sprintf (this->keygen.expdate, "%d", valid);

    if (!this->keygen.name || !this->keygen.email)
        return gpg_error (GPG_ERR_ENOMEM);

    err = gpg_card_edit (ctx, this);
    if (!err)
        err = getResult () & GPG_CARDRES_CANCEL? gpg_error (GPG_ERR_CANCELED) : 0;
    if (!err && r_key_fpr)
        *r_key_fpr = strdup (keygen.key_fpr? keygen.key_fpr : "");
    return err;
}


/* Change the pin from @pin to @pin_new.
   Return value: 0 on success. */
gpgme_error_t 
GpgCardEdit::changePIN (int type)
{
    gpgme_error_t err;

    if (!this->pin_new)
        return gpg_error (GPG_ERR_INV_ARG);

    if (!type) {
        if (this->pin && this->pin_new)
            this->type = GPG_EDITCARD_CHUPIN;
        else if (this->pin && this->admin_pin)
            this->type = GPG_EDITCARD_CHAPIN;
        else
            this->type = GPG_EDITCARD_UNBPIN;
    }
    else
        this->type = type;
    /* check if the user provided the needed PIN. */
    if ((this->type == GPG_EDITCARD_CHUPIN && !this->pin) ||
        (this->type == GPG_EDITCARD_CHAPIN && !this->admin_pin))
        return gpg_error (GPG_ERR_INV_ARG);

    err = gpg_card_edit (ctx, this);
    return err;
}


gpgme_error_t
GpgCardEdit::updateName (const char *given, const char *sur)
{
    gpgme_error_t err;

    if (!this->admin_pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    this->type = GPG_EDITCARD_NAME;
    this->edit.surname = sur;
    this->edit.givenname = given;

    err = gpg_card_edit (ctx, this);
    return err;
}
    
gpgme_error_t
GpgCardEdit::updateURL (const char *url)
{
    gpgme_error_t err;

    if (!this->admin_pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITCARD_KEYURL;
    this->edit.keyurl = url;

    err = gpg_card_edit (ctx, this);
    return err;
}


gpgme_error_t
GpgCardEdit::updateLogin (const char *login)
{
    gpgme_error_t err;

    if (!this->admin_pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    this->type = GPG_EDITCARD_LOGIN;
    this->edit.login = login;

    err = gpg_card_edit (ctx, this);
    return err;
}

gpgme_error_t
GpgCardEdit::updateSex (char sex)
{
    gpgme_error_t err;

    if (!this->admin_pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITCARD_SEX;
    this->edit.sex = sex;

    err = gpg_card_edit (ctx, this);
    return err;
}

gpgme_error_t
GpgCardEdit::updateLanguage (const char *lang)
{
    gpgme_error_t err;

    if (!this->admin_pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITCARD_LANG;
    this->edit.lang = lang;

    err = gpg_card_edit (ctx, this);
    return err;
}


/* Fetch the key specified by the url stored on the card.
   Return value: 0 on success. */
gpgme_error_t
GpgCardEdit::fetchKey (void)
{
    gpgme_error_t err = 0;

    if (!this->pin)
        return gpg_error (GPG_ERR_INV_OBJ);

    return 0;
}


/* Dispatcher for the various commands. @cmd is the card command ID
   and @arg1 and @arg2 the actual values for the command.
   Return value: 0 on success. */
gpgme_error_t
GpgCardEdit:: doCmd (int cmd, const char *arg1, const char *arg2)
{
    switch (cmd) {
    case GPG_EDITCARD_NAME:
        return updateName (arg1, arg2); /* given, surname */

    case GPG_EDITCARD_LANG:
        return updateLanguage (arg1); /* lang */

    case GPG_EDITCARD_SEX:
        return updateSex (*arg1); /* sex */

    case GPG_EDITCARD_KEYURL:
        return updateURL (arg1); /* url */

    case GPG_EDITCARD_LOGIN:
        return updateLogin (arg1); /* login */

    default:
        return gpg_error (GPG_ERR_INV_VALUE);
    }

    return 0;
}


/* Set the result for the executed operation.
   The values will be ORed. */
void
GpgCardEdit::setResult (int res)
{
    result |= res;
}


/* Return the result of the executed operation. */
int
GpgCardEdit::getResult (void)
{
    return result;
}


/* Reset the object state. */
void
GpgCardEdit::reset (void)
{
    cnt = 0;
}


/* Return card command type */
int
GpgCardEdit::getType (void)
{
    return type;
}
1	werner	36	/* wptCardEdit.cpp - OpenPGP editing interface
2			* Copyright (C) 2005 Timo Schulz
3			*
4			* This file is part of WinPT.
5			*
6			* WinPT is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* WinPT is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19			*/
20
21			#ifdef HAVE_CONFIG_H
22			#include <config.h>
23			#endif
24
25			#include <windows.h>
26			#include <time.h>
27
28			#include "gpgme.h"
29			#include "wptCard.h"
30			#include "wptCardEdit.h"
31			#include "wptGPG.h"
32			#include "wptErrors.h"
33
34			/* Create a new Smartcard context. */
35			static gpgme_error_t
36			gpg_card_new (gpg_card_t *ret_card)
37			{
38			gpg_card_t c;
39
40			if (!ret_card)
41			return gpg_error (GPG_ERR_INV_ARG);
42			*ret_card = NULL;
43			c = (gpg_card_t)calloc (1, sizeof *c);
44			if (!c)
45			return gpg_error (GPG_ERR_ENOMEM);
46			*ret_card = c;
47			return 0;
48			}
49
50
51			/* Release an existing Smartcard context. @card. */
52			void
53			gpg_card_release (gpg_card_t card)
54			{
55			int i;
56
57			if (!card)
58			return;
59			if (card->aid)
60			free (card->aid);
61			if (card->version)
62			free (card->version);
63			if (card->lang)
64			free (card->lang);
65			if (card->login)
66			free (card->login);
67			for (i=0; i < 3; i++) {
68			if (card->fpr[i])
69			free (card->fpr[i]);
70			if (card->ca_fpr[i])
71			free (card->ca_fpr[i]);
72			if (card->fpr_created_str[i])
73			free (card->fpr_created_str[i]);
74			}
75			if (card->surname)
76			free (card->surname);
77			if (card->givenname)
78			free (card->givenname);
79			if (card->serial)
80			free (card->serial);
81			if (card->vendor)
82			free (card->vendor);
83			if (card->url)
84			free (card->url);
85			if (card->card_type)
86			free (card->card_type);
87			free (card);
88
89			}
90
91
92			/* Parse the timestamp @long_ts and return a string
93			representation of it (format: YYYY-DD-MM HH:MM:SS). */
94			static char*
95			get_str_timestamp (long long_ts)
96			{
97			struct tm *tm;
98			char p, fmt;
99
100			tm = localtime (&long_ts);
101			fmt = "%04d-%02d-%02d %02d:%02d:%02d";
102			p = (char*)calloc (1, strlen (fmt)+32);
103			if (!p)
104			abort ();
105			sprintf (p, fmt,
106			tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
107			tm->tm_hour, tm->tm_min, tm->tm_sec);
108			return p;
109			}
110
111
112			/* Colon handler for parsing the GPG card colon output. */
113			static gpgme_error_t
114			statuscard_colon_handler (gpg_card_t card, char * line)
115			{
116			enum rectype_t {
117			CARD_None = 0,
118			CARD_AID,
119			CARD_Version,
120			CARD_Vendor,
121			CARD_Serial,
122			CARD_Name,
123			CARD_Lang,
124			CARD_Sex,
125			CARD_Url,
126			CARD_Login,
127			CARD_MaxPinLen,
128			CARD_SigCount,
129			CARD_CAFpr,
130			CARD_Fpr,
131			CARD_FprTime
132			};
133			enum rectype_t rectype;
134			char p, pend;
135			int field = 0;
136
137			if (!line)
138			return gpg_error (GPG_ERR_EOF);
139
140			for (p = line; p; p = pend) {
141			field++;
142			pend = strchr (p, ':');
143			if (pend)
144			*pend++ = 0;
145
146			if (field == 1) {
147			if (!strcmp (p, "AID"))
148			rectype = CARD_AID;
149			else if( !strcmp( p, "version" ) )
150			rectype = CARD_Version;
151			else if( !strcmp( p, "vendor" ) )
152			rectype = CARD_Vendor;
153			else if( !strcmp( p, "serial" ) )
154			rectype = CARD_Serial;
155			else if( !strcmp( p, "name" ) )
156			rectype = CARD_Name;
157			else if( !strcmp( p, "lang" ) )
158			rectype = CARD_Lang;
159			else if( !strcmp( p, "sex" ) )
160			rectype = CARD_Sex;
161			else if( !strcmp( p, "url" ) )
162			rectype = CARD_Url;
163			else if( !strcmp( p, "login" ) )
164			rectype = CARD_Login;
165			else if( !strcmp( p, "maxpinlen" ) )
166			rectype = CARD_MaxPinLen;
167			else if( !strcmp( p, "sigcount" ) )
168			rectype = CARD_SigCount;
169			else if (!strcmp (p, "cafpr"))
170			rectype = CARD_CAFpr;
171			else if (!strcmp (p, "fpr"))
172			rectype = CARD_Fpr;
173			else if (!strcmp (p, "fprtime"))
174			rectype = CARD_FprTime;
175			else
176			rectype = CARD_None;
177			}
178			switch (rectype) {
179			case CARD_AID:
180			if (field == 2) {
181			card->aid = strdup (p);
182			if (!card->aid)
183			return gpg_error (GPG_ERR_ENOMEM);
184			}
185			else if (field == 3) {
186			card->card_type = strdup (p);
187			if (!card->card_type)
188			return gpg_error (GPG_ERR_ENOMEM);
189			}
190			break;
191
192			case CARD_Version:
193			if (field == 2) {
194			card->version = strdup (p);
195			if (!card->version)
196			return gpg_error (GPG_ERR_ENOMEM);
197			}
198			break;
199
200			case CARD_Vendor:
201			if (field == 3) {
202			card->vendor = strdup (p);
203			if (!card->vendor)
204			return gpg_error (GPG_ERR_ENOMEM);
205			}
206			break;
207
208			case CARD_Serial:
209			if (field == 2) {
210			card->serial = strdup (p);
211			if (!card->serial)
212			return gpg_error (GPG_ERR_ENOMEM);
213			}
214			break;
215			case CARD_Name:
216			if (field == 2) {
217			card->givenname = strdup (p);
218			if (!card->givenname)
219			return gpg_error (GPG_ERR_ENOMEM);
220			}
221			else if (field == 3) {
222			card->surname = strdup (p);
223			if (!card->surname)
224			return gpg_error (GPG_ERR_ENOMEM);
225			}
226			break;
227			case CARD_Lang:
228			if( field == 2 ) {
229			card->lang = strdup (p);
230			if (!card->lang)
231			return gpg_error (GPG_ERR_ENOMEM);
232			}
233			break;
234			case CARD_Sex:
235			if( field == 2 )
236			card->sex = *p;
237			break;
238
239			case CARD_Url:
240			if( field == 2 ) {
241			if (card->url)
242			free (card->url);
243			card->url = (char*)calloc (1, strlen (p) + 1);
244			if( !card->url ) {
245			return gpg_error (GPG_ERR_ENOMEM);
246			}
247			gpg_decode_c_string (p, &card->url, strlen (p) + 1);
248			if (!card->url)
249			return gpg_error (GPG_ERR_ENOMEM);
250			}
251			break;
252
253			case CARD_Login:
254			if (field == 2) {
255			card->login = strdup (p);
256			if (!card->login)
257			return gpg_error (GPG_ERR_ENOMEM);
258			}
259			break;
260
261			case CARD_MaxPinLen:
262			break;
263
264			case CARD_SigCount:
265			if (field == 2)
266			card->sig_count = atol (p);
267			break;
268
269			case CARD_CAFpr:
270			if (!p)
271			break;
272			if (field > 4 \|\| field == 1)
273			break;
274			card->ca_fpr[field-2] = strdup (p);
275			if (!card->ca_fpr[field-2])
276			return gpg_error (GPG_ERR_ENOMEM);
277			break;
278
279			case CARD_Fpr:
280			if (field > 4 \|\| field == 1) /* max 3 fprs */
281			break;
282			card->fpr[field-2] = strdup (p);
283			if (!card->fpr[field-2])
284			return gpg_error (GPG_ERR_ENOMEM);
285			break;
286
287			case CARD_FprTime:
288			if (field > 4 \|\| field == 1)
289			break;
290			card->fpr_created[field-2] = strtoul (p, NULL, 10);
291			card->fpr_created_str[field-2] = get_str_timestamp (strtoul (p, NULL, 10));
292			if (!card->fpr_created_str[field-2])
293			return gpg_error (GPG_ERR_ENOMEM);
294			break;
295
296			}
297			}
298			return 0;
299			}
300
301
302			/* Dummy handler to get the colon data and then quit. */
303			static gpgme_error_t
304			list_handler (void opaque, gpgme_status_code_t code, const char key, int fd)
305			{
306			static int wait_card=0;
307			GpgCardEdit ce = (GpgCardEdit )opaque;
308			const char *s="";
309			DWORD n;
310
311
312			if (code == GPGME_STATUS_CARDCTRL) {
313			if (!strcmp (key, "5"))
314			ce->setResult (GPG_CARDRES_NOCARD);
315			else if (!strcmp (key, "1"))
316			wait_card = 1;
317			}
318			if (wait_card && !strcmp (key, "cardctrl.insert_card.okay")) {
319			n = MessageBox (NULL, _("Please insert the card and click OK or Cancel to abort."),
320			_("GPG Card Status"), MB_ICONQUESTION\|MB_OKCANCEL);
321			if (n == IDCANCEL) {
322			ce->setResult (GPG_CARDRES_CANCEL);
323			WriteFile ((HANDLE)fd, "c\n", 2, &n, NULL);
324			wait_card = 0;
325			}
326			}
327			if (!strcmp (key, "cardedit.prompt")) {
328			s = "quit\n";
329			if (!WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL))
330			log_debug ("list_handler: WriteFile() failed ec=%d\r\n",
331			(int)GetLastError ());
332			wait_card = 0;
333			}
334			return 0;
335			}
336
337
338			/* Construct an empty object. */
339			GpgCardEdit::GpgCardEdit (void)
340			{
341			pin = NULL;
342			pin_new = NULL;
343			admin_pin = NULL;
344
345			keygen.comment = NULL;
346			keygen.email = NULL;
347			keygen.name = NULL;
348			keygen.expdate = NULL;
349			keygen.key_fpr = NULL;
350
351			type = 0;
352			cnt = 0;
353			cancel = 0;
354			result = 0;
355
356			gpgme_new (&ctx); /* XXX: check return code */
357			}
358
359			/* Release the object. */
360			GpgCardEdit::~GpgCardEdit (void)
361			{
362			if (keygen.name)
363			free (keygen.name);
364			if (keygen.comment)
365			free (keygen.comment);
366			if (keygen.email)
367			free (keygen.email);
368			if (keygen.expdate)
369			free (keygen.expdate);
370			if (keygen.key_fpr)
371			free (keygen.key_fpr);
372			gpgme_release (ctx);
373			}
374
375
376			/* Set the user PIN for the object to @pin. */
377			void
378			GpgCardEdit::setPIN (const char *pin)
379			{
380			this->pin = pin;
381			}
382
383			/* Set the admin PIN for the object to @admin_pin. */
384			void
385			GpgCardEdit::setAdminPIN (const char *admin_pin)
386			{
387			this->admin_pin = admin_pin;
388			}
389
390
391			/* Set the new user PIN for the object to @new_pin. */
392			void
393			GpgCardEdit::setNewPIN (const char *new_pin)
394			{
395			this->pin_new = new_pin;
396			}
397
398
399			/* Set the passphrase needed when generating a key to @pass. */
400			void
401			GpgCardEdit::setKeygenPassphrase (const char *pass)
402			{
403			this->keygen.pass = pass;
404			}
405
406
407			/* Set the callback to @cb and the hook value to @cb_value. */
408			void
409			GpgCardEdit::setCallback (const char* (cb)(int code, void opaque),
410			void *cb_value)
411			{
412			this->cb_value = cb_value;
413			this->card_cb = cb;
414			}
415
416
417			/* Read the information from the inserted card and return
418			it in form of a card context @r_card.
419			Return value: 0 on success. */
420			gpgme_error_t
421			GpgCardEdit::getCardStatus (gpg_card_t *r_card)
422			{
423			gpgme_data_t out = NULL;
424			gpgme_error_t err;
425			gpg_card_t card=NULL;
426			char buf[200];
427
428			if (!r_card)
429			return gpg_error (GPG_ERR_INV_ARG);
430
431			err = gpg_card_new (&card);
432			if (err)
433			return err;
434
435			err = gpgme_data_new (&out);
436			if (err) {
437			gpg_card_release (card);
438			return err;
439			}
440
441			err = gpgme_op_card_edit (ctx, NULL, list_handler, this, out);
442			gpgme_data_rewind (out);
443			if (err) {
444			gpgme_data_release (out);
445			gpg_card_release (card);
446			return err;
447			}
448			if (getResult () & GPG_CARDRES_NOCARD \|\|
449			getResult () & GPG_CARDRES_CANCEL) {
450			gpg_card_release (card);
451			gpgme_data_release (out);
452			return gpg_error (GPG_ERR_CARD_NOT_PRESENT);
453			}
454
455			*r_card = card;
456			while (gpg_data_readline (out, buf, sizeof (buf)-2) > 0) {
457			err = statuscard_colon_handler (card, buf);
458			if (err)
459			break;
460			}
461			gpgme_data_release (out);
462
463			return err;
464			}
465
466
467			/* Generate a key on a smart card with the following params:
468			@flags: user specific params.
469			@name: name of the key holder.
470			@email: email of the key holder.
471			@comment: optional comment.
472			@valid: how long is the key valid in days.
473			Return value: 0 on success. */
474			gpgme_error_t
475			GpgCardEdit::genKey (int flags, const char *name,
476			const char email, const char comment, long valid,
477			char **r_key_fpr)
478			{
479			gpgme_error_t err;
480
481			if (!name \|\| !email)
482			return gpg_error (GPG_ERR_INV_ARG);
483			if (!this->keygen.pass)
484			return gpg_error (GPG_ERR_INV_OBJ);
485
486			type = GPG_EDITCARD_GENKEY;
487			this->keygen.flags = flags;
488
489			if (this->keygen.name)
490			free (this->keygen.name);
491			this->keygen.name = strdup (name);
492			if (this->keygen.email)
493			free (this->keygen.email);
494			this->keygen.email = strdup (email);
495			if (this->keygen.comment)
496			free (this->keygen.comment);
497			this->keygen.comment = comment? strdup (comment) : strdup ("");
498			if (this->keygen.expdate)
499			free (this->keygen.expdate);
500			this->keygen.expdate = (char*)calloc (1, 16);
501			if (this->keygen.expdate)
502			sprintf (this->keygen.expdate, "%d", valid);
503
504			if (!this->keygen.name \|\| !this->keygen.email)
505			return gpg_error (GPG_ERR_ENOMEM);
506
507			err = gpg_card_edit (ctx, this);
508			if (!err)
509			err = getResult () & GPG_CARDRES_CANCEL? gpg_error (GPG_ERR_CANCELED) : 0;
510			if (!err && r_key_fpr)
511			*r_key_fpr = strdup (keygen.key_fpr? keygen.key_fpr : "");
512			return err;
513			}
514
515
516			/* Change the pin from @pin to @pin_new.
517			Return value: 0 on success. */
518			gpgme_error_t
519			GpgCardEdit::changePIN (int type)
520			{
521			gpgme_error_t err;
522
523			if (!this->pin_new)
524			return gpg_error (GPG_ERR_INV_ARG);
525
526			if (!type) {
527			if (this->pin && this->pin_new)
528			this->type = GPG_EDITCARD_CHUPIN;
529			else if (this->pin && this->admin_pin)
530			this->type = GPG_EDITCARD_CHAPIN;
531			else
532			this->type = GPG_EDITCARD_UNBPIN;
533			}
534			else
535			this->type = type;
536			/* check if the user provided the needed PIN. */
537			if ((this->type == GPG_EDITCARD_CHUPIN && !this->pin) \|\|
538			(this->type == GPG_EDITCARD_CHAPIN && !this->admin_pin))
539			return gpg_error (GPG_ERR_INV_ARG);
540
541			err = gpg_card_edit (ctx, this);
542			return err;
543			}
544
545
546			gpgme_error_t
547			GpgCardEdit::updateName (const char given, const char sur)
548			{
549			gpgme_error_t err;
550
551			if (!this->admin_pin)
552			return gpg_error (GPG_ERR_INV_OBJ);
553
554			this->type = GPG_EDITCARD_NAME;
555			this->edit.surname = sur;
556			this->edit.givenname = given;
557
558			err = gpg_card_edit (ctx, this);
559			return err;
560			}
561
562			gpgme_error_t
563			GpgCardEdit::updateURL (const char *url)
564			{
565			gpgme_error_t err;
566
567			if (!this->admin_pin)
568			return gpg_error (GPG_ERR_INV_OBJ);
569
570			type = GPG_EDITCARD_KEYURL;
571			this->edit.keyurl = url;
572
573			err = gpg_card_edit (ctx, this);
574			return err;
575			}
576
577
578			gpgme_error_t
579			GpgCardEdit::updateLogin (const char *login)
580			{
581			gpgme_error_t err;
582
583			if (!this->admin_pin)
584			return gpg_error (GPG_ERR_INV_OBJ);
585
586			this->type = GPG_EDITCARD_LOGIN;
587			this->edit.login = login;
588
589			err = gpg_card_edit (ctx, this);
590			return err;
591			}
592
593			gpgme_error_t
594			GpgCardEdit::updateSex (char sex)
595			{
596			gpgme_error_t err;
597
598			if (!this->admin_pin)
599			return gpg_error (GPG_ERR_INV_OBJ);
600
601			type = GPG_EDITCARD_SEX;
602			this->edit.sex = sex;
603
604			err = gpg_card_edit (ctx, this);
605			return err;
606			}
607
608			gpgme_error_t
609			GpgCardEdit::updateLanguage (const char *lang)
610			{
611			gpgme_error_t err;
612
613			if (!this->admin_pin)
614			return gpg_error (GPG_ERR_INV_OBJ);
615
616			type = GPG_EDITCARD_LANG;
617			this->edit.lang = lang;
618
619			err = gpg_card_edit (ctx, this);
620			return err;
621			}
622
623
624			/* Fetch the key specified by the url stored on the card.
625			Return value: 0 on success. */
626			gpgme_error_t
627			GpgCardEdit::fetchKey (void)
628			{
629			gpgme_error_t err = 0;
630
631			if (!this->pin)
632			return gpg_error (GPG_ERR_INV_OBJ);
633
634			return 0;
635			}
636
637
638			/* Dispatcher for the various commands. @cmd is the card command ID
639			and @arg1 and @arg2 the actual values for the command.
640			Return value: 0 on success. */
641			gpgme_error_t
642			GpgCardEdit:: doCmd (int cmd, const char arg1, const char arg2)
643			{
644			switch (cmd) {
645			case GPG_EDITCARD_NAME:
646			return updateName (arg1, arg2); /* given, surname */
647
648			case GPG_EDITCARD_LANG:
649			return updateLanguage (arg1); /* lang */
650
651			case GPG_EDITCARD_SEX:
652			return updateSex (arg1); / sex */
653
654			case GPG_EDITCARD_KEYURL:
655			return updateURL (arg1); /* url */
656
657			case GPG_EDITCARD_LOGIN:
658			return updateLogin (arg1); /* login */
659
660			default:
661			return gpg_error (GPG_ERR_INV_VALUE);
662			}
663
664			return 0;
665			}
666
667
668			/* Set the result for the executed operation.
669			The values will be ORed. */
670			void
671			GpgCardEdit::setResult (int res)
672			{
673			result \|= res;
674			}
675
676
677			/* Return the result of the executed operation. */
678			int
679			GpgCardEdit::getResult (void)
680			{
681			return result;
682			}
683
684
685			/* Reset the object state. */
686			void
687			GpgCardEdit::reset (void)
688			{
689			cnt = 0;
690			}
691
692
693			/* Return card command type */
694			int
695			GpgCardEdit::getType (void)
696			{
697			return type;
698			}