trunk/Src/wptFileStatDlg.cpp

/* wptFileStatDlg.cpp - List the status of an OpenPGP file
 *      Copyright (C) 2002, 2003, 2005, 2006 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 <sys/types.h>

#include "resource.h"
#include "wptTypes.h"
#include "wptGPG.h"
#include "wptCommonCtl.h"
#include "wptContext.h"
#include "wptErrors.h"
#include "wptW32API.h"
#include "wptUTF8.h"
#include "openpgp.h"

/* Make sure that the list won't consume too much memory. */
#define MAX_PKTS 1024

/* Return the date in locale format. */
const char*
get_fmt_date (long timest)
{
    static char buf[64];

    get_locale_date (timest, buf, DIM (buf)-1);
    return buf;
}


/* Return humand readable public key algo. */
static const char*
get_pubkey_algo (int algo)
{       
    if (algo == 17)
        return "DSA";   
   else if (is_ELGAMAL (algo))
        return "ELG";   
    else if (is_RSA (algo))
        return "RSA";
    return NULL;
}


/* Return human readable symmetric algo. */
const char*
get_symkey_algo (int algo)
{
    switch (algo) {
    case 0: return "PLAINTEXT";
    case 1: return "IDEA";
    case 2: return "3DES"; 
    case 3: return "CAST5";
    case 4: return "BLOWFISH";
    case 7: return "AES128";
    case 8: return "AES192";
    case 9: return "AES256";
    default: break;
    }    
    return "UNKNOWN";
}


/* Return human readable hash algo. */
static const char*
get_digest_algo (int algo)
{
    switch (algo) {
    case 0: return "NONE";
    case 1: return "MD5";
    case 2: return "SHA1";
    case 3: return "RMD160";
    case 5: return "MD2";
    case 8: return "SHA256";
    case 9: return "SHA384";
    case 10:return "SHA512";
    default: break;
    }
    return "UNKNOWN";
}


/* Return human readable compress algo. */
static const char*
get_compress_algo (int algo)
{
    switch (algo) {
    case 0: return "NONE";
    case 1: return "ZIB";
    case 2: return "ZLIB";
    case 3: return "BZIP2";
    default: break;
    }
    return "UNKNOWN";
}


/* Return human string to key algo. */
static const char*
get_s2k_algo (int algo)
{
    switch (algo) {
    case 0: return "SIMPLE";
    case 1: return "SALTED";
    case 3: return "ITER+SALTED";
    default:break;
    }
    return "INVALID";
}


/* List all OpenPGP packets from the file @file.
   Return value: number of packets. */
static int
do_list_packets (HWND list, const char *file)
{
    PACKET *pkt;
    gpg_iobuf_t inp = NULL;
    armor_filter_context_t afx;
    size_t n=0;
    int rc = 0;
    char inf[1024], *p;

    if (!list || !file) {
        log_debug ("do_list_packets: invalid parameters\n");
        return -1;
    }

    inp = gpg_iobuf_open (file);
    if (!inp) {
        log_box (_("File Manager"), MB_ERR, "%s: %s", file,
                 winpt_strerror (WPTERR_FILE_OPEN));
        return -1;
    }
    gpg_iobuf_ioctl (inp, 3, 1, NULL); /* disable cache */
    if (gpg_use_armor_filter (inp)) {
        memset (&afx, 0, sizeof (afx));
        gpg_iobuf_push_filter (inp, gpg_armor_filter, &afx);
    }
    pkt = (PACKET *)calloc(1, sizeof *pkt);
    gpg_init_packet (pkt);
    while ((rc = gpg_parse_packet (inp, pkt)) != -1) {
        switch (pkt->pkttype) {
        case PKT_PUBKEY_ENC:
            {PKT_pubkey_enc *enc = pkt->pkt.pubkey_enc; n++;
            if (!enc)
                break;
            _snprintf (inf, DIM(inf)-1,
                "public key encryted packet: version %d, algo %s, keyid 0x%08X",
                enc->version, get_pubkey_algo(enc->pubkey_algo), enc->keyid[1]);
            listbox_add_string (list, inf);}
            break;
                
        case PKT_SYMKEY_ENC:
            {PKT_symkey_enc *enc = pkt->pkt.symkey_enc; n++;
            if (!enc)
                break;
            _snprintf (inf, DIM(inf)-1,
                "symmetric key encrypted packet: version %d, cipher %s, s2k %s, hash %s",
                enc->version, get_symkey_algo (enc->cipher_algo),
                get_s2k_algo (enc->s2k.mode), 
                get_digest_algo (enc->s2k.hash_algo));
            listbox_add_string (list, inf); }
            break;

        case PKT_ENCRYPTED:     
        case PKT_ENCRYPTED_MDC:
            {PKT_encrypted *enc = pkt->pkt.encrypted; n++;
            if (!enc)
                break;
            _snprintf (inf, DIM(inf)-1, 
                        "encrypted data packet: mdc method %d, length %d",
                        enc->mdc_method, enc->len);
            listbox_add_string (list, inf); }
            break;

        case PKT_PUBLIC_KEY:
        case PKT_PUBLIC_SUBKEY:
            {PKT_public_key *pk = pkt->pkt.public_key; n++;
            if (!pk)
                break;
            _snprintf( inf, DIM(inf)-1,
                "public key packet: version %d, algo %s, created %s",
                pk->version, get_pubkey_algo (pk->pubkey_algo),
                get_fmt_date (pk->timestamp));
            listbox_add_string (list, inf); }
            break;

        case PKT_SECRET_KEY:
        case PKT_SECRET_SUBKEY:     
            {PKT_secret_key *sk = pkt->pkt.secret_key; n++;
            if (!sk)
                break;
            _snprintf( inf, DIM(inf)-1,
                "secret key packet: version %d, algo %s, created %s mode %d",
                sk->version,  get_pubkey_algo (sk->pubkey_algo),
                get_fmt_date (sk->timestamp),
                sk->protect.s2k.mode);
            listbox_add_string (list, inf); }
            break;
            
        case PKT_SIGNATURE:
            {PKT_signature *sig = pkt->pkt.signature; n++;
            if (!sig)
                break;
            _snprintf( inf, DIM(inf)-1,
                "signature packet: version %d, algo %s, keyid 0x%08X, created %s",
                sig->version, get_pubkey_algo(sig->pubkey_algo), sig->keyid[1],
                get_fmt_date (sig->timestamp));
            listbox_add_string (list, inf); }
            break;

                
        case PKT_USER_ID:
            {PKT_user_id *id = pkt->pkt.user_id; n++;
            if (!id)
                break;
            p = utf8_to_native (id->name);
            _snprintf (inf, DIM (inf)-1, "user id packet: %s", p);
            free_if_alloc (p);
            listbox_add_string (list, inf); }
            break;
            
        case PKT_COMPRESSED:
            {PKT_compressed *zip = pkt->pkt.compressed; n++;
            if (!zip)
                break;
            _snprintf (inf, DIM(inf)-1, 
                        "compressed packet: algo %s, length %d",
                        get_compress_algo(zip->algorithm), zip->len);
            listbox_add_string (list, inf); }
            break;

        default:
            break;
        }
        gpg_free_packet (pkt);
        gpg_init_packet (pkt);
        if (n > MAX_PKTS)
            break;
    }
    gpg_iobuf_close (inp);
    safe_free (pkt);
    return n;
}


/* Dialog box procedure for showing file status. */
BOOL CALLBACK
file_stat_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    const char *file;
    
    switch (msg) {
    case WM_INITDIALOG:        
        file = (const char*)lparam;
        if (!file)
            BUG (0);
        if (do_list_packets (GetDlgItem (dlg, IDC_FILE_STAT_LIST), file) < 1) {
            msg_box (dlg, _("No valid OpenPGP data found."), 
                     _("File Status"), MB_ERR);
            EndDialog (dlg, FALSE);
            return TRUE;
        }
        SetWindowText (dlg, _("File Status"));
        SetForegroundWindow (dlg);
        break;
        
    case WM_COMMAND:
        switch (LOWORD (wparam)) {
        case IDOK:
            EndDialog (dlg, TRUE);
            break;

        case IDCANCEL:
            EndDialog (dlg, FALSE);
            break;
        }
        break;
    }
    
    return FALSE;
}
1	twoaday	225	/* wptFileStatDlg.cpp - List the status of an OpenPGP file
2			* Copyright (C) 2002, 2003, 2005, 2006 Timo Schulz
3	werner	36	*
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			#ifdef HAVE_CONFIG_H
21			#include <config.h>
22			#endif
23
24			#include <windows.h>
25			#include <time.h>
26			#include <sys/types.h>
27
28	werner	47	#include "resource.h"
29	werner	36	#include "wptTypes.h"
30			#include "wptGPG.h"
31			#include "wptCommonCtl.h"
32			#include "wptContext.h"
33			#include "wptErrors.h"
34			#include "wptW32API.h"
35	twoaday	225	#include "wptUTF8.h"
36	werner	36	#include "openpgp.h"
37
38	twoaday	271	/* Make sure that the list won't consume too much memory. */
39			#define MAX_PKTS 1024
40
41	twoaday	256	/* Return the date in locale format. */
42	twoaday	225	const char*
43			get_fmt_date (long timest)
44			{
45			static char buf[64];
46
47	twoaday	271	get_locale_date (timest, buf, DIM (buf)-1);
48	twoaday	225	return buf;
49			}
50
51
52	twoaday	256	/* Return humand readable public key algo. */
53	werner	36	static const char*
54			get_pubkey_algo (int algo)
55			{
56			if (algo == 17)
57			return "DSA";
58			else if (is_ELGAMAL (algo))
59			return "ELG";
60			else if (is_RSA (algo))
61			return "RSA";
62			return NULL;
63			}
64
65
66	twoaday	256	/* Return human readable symmetric algo. */
67	werner	36	const char*
68			get_symkey_algo (int algo)
69			{
70			switch (algo) {
71			case 0: return "PLAINTEXT";
72			case 1: return "IDEA";
73			case 2: return "3DES";
74			case 3: return "CAST5";
75			case 4: return "BLOWFISH";
76	twoaday	226	case 7: return "AES128";
77			case 8: return "AES192";
78			case 9: return "AES256";
79	twoaday	178	default: break;
80	werner	36	}
81			return "UNKNOWN";
82			}
83
84
85	twoaday	256	/* Return human readable hash algo. */
86	werner	36	static const char*
87			get_digest_algo (int algo)
88			{
89			switch (algo) {
90			case 0: return "NONE";
91			case 1: return "MD5";
92			case 2: return "SHA1";
93			case 3: return "RMD160";
94			case 5: return "MD2";
95			case 8: return "SHA256";
96			case 9: return "SHA384";
97			case 10:return "SHA512";
98	twoaday	178	default: break;
99	werner	36	}
100			return "UNKNOWN";
101			}
102
103
104	twoaday	256	/* Return human readable compress algo. */
105	werner	36	static const char*
106			get_compress_algo (int algo)
107			{
108			switch (algo) {
109			case 0: return "NONE";
110			case 1: return "ZIB";
111			case 2: return "ZLIB";
112			case 3: return "BZIP2";
113	twoaday	178	default: break;
114	werner	36	}
115			return "UNKNOWN";
116			}
117
118
119	twoaday	256	/* Return human string to key algo. */
120	werner	36	static const char*
121	twoaday	178	get_s2k_algo (int algo)
122			{
123			switch (algo) {
124			case 0: return "SIMPLE";
125			case 1: return "SALTED";
126			case 3: return "ITER+SALTED";
127			default:break;
128			}
129			return "INVALID";
130			}
131
132
133	twoaday	225	/* List all OpenPGP packets from the file @file.
134	werner	36	Return value: number of packets. */
135			static int
136			do_list_packets (HWND list, const char *file)
137			{
138			PACKET *pkt;
139			gpg_iobuf_t inp = NULL;
140			armor_filter_context_t afx;
141			size_t n=0;
142			int rc = 0;
143	twoaday	225	char inf[1024], *p;
144	werner	36
145			if (!list \|\| !file) {
146	twoaday	271	log_debug ("do_list_packets: invalid parameters\n");
147	werner	36	return -1;
148			}
149
150			inp = gpg_iobuf_open (file);
151			if (!inp) {
152	twoaday	256	log_box (_("File Manager"), MB_ERR, "%s: %s", file,
153	werner	36	winpt_strerror (WPTERR_FILE_OPEN));
154			return -1;
155			}
156	twoaday	256	gpg_iobuf_ioctl (inp, 3, 1, NULL); /* disable cache */
157	werner	36	if (gpg_use_armor_filter (inp)) {
158			memset (&afx, 0, sizeof (afx));
159			gpg_iobuf_push_filter (inp, gpg_armor_filter, &afx);
160			}
161			pkt = (PACKET )calloc(1, sizeof pkt);
162			gpg_init_packet (pkt);
163			while ((rc = gpg_parse_packet (inp, pkt)) != -1) {
164			switch (pkt->pkttype) {
165			case PKT_PUBKEY_ENC:
166			{PKT_pubkey_enc *enc = pkt->pkt.pubkey_enc; n++;
167			if (!enc)
168			break;
169	twoaday	271	_snprintf (inf, DIM(inf)-1,
170	werner	36	"public key encryted packet: version %d, algo %s, keyid 0x%08X",
171			enc->version, get_pubkey_algo(enc->pubkey_algo), enc->keyid[1]);
172			listbox_add_string (list, inf);}
173			break;
174
175			case PKT_SYMKEY_ENC:
176			{PKT_symkey_enc *enc = pkt->pkt.symkey_enc; n++;
177			if (!enc)
178			break;
179	twoaday	271	_snprintf (inf, DIM(inf)-1,
180	twoaday	178	"symmetric key encrypted packet: version %d, cipher %s, s2k %s, hash %s",
181	twoaday	225	enc->version, get_symkey_algo (enc->cipher_algo),
182			get_s2k_algo (enc->s2k.mode),
183			get_digest_algo (enc->s2k.hash_algo));
184	twoaday	178	listbox_add_string (list, inf); }
185	werner	36	break;
186
187			case PKT_ENCRYPTED:
188			case PKT_ENCRYPTED_MDC:
189			{PKT_encrypted *enc = pkt->pkt.encrypted; n++;
190			if (!enc)
191			break;
192	twoaday	271	_snprintf (inf, DIM(inf)-1,
193	twoaday	225	"encrypted data packet: mdc method %d, length %d",
194			enc->mdc_method, enc->len);
195			listbox_add_string (list, inf); }
196	werner	36	break;
197
198			case PKT_PUBLIC_KEY:
199			case PKT_PUBLIC_SUBKEY:
200			{PKT_public_key *pk = pkt->pkt.public_key; n++;
201			if (!pk)
202			break;
203	twoaday	271	_snprintf( inf, DIM(inf)-1,
204	werner	36	"public key packet: version %d, algo %s, created %s",
205	twoaday	225	pk->version, get_pubkey_algo (pk->pubkey_algo),
206			get_fmt_date (pk->timestamp));
207			listbox_add_string (list, inf); }
208	werner	36	break;
209
210			case PKT_SECRET_KEY:
211			case PKT_SECRET_SUBKEY:
212			{PKT_secret_key *sk = pkt->pkt.secret_key; n++;
213			if (!sk)
214			break;
215	twoaday	271	_snprintf( inf, DIM(inf)-1,
216	werner	36	"secret key packet: version %d, algo %s, created %s mode %d",
217	twoaday	225	sk->version, get_pubkey_algo (sk->pubkey_algo),
218			get_fmt_date (sk->timestamp),
219			sk->protect.s2k.mode);
220			listbox_add_string (list, inf); }
221	werner	36	break;
222	twoaday	225
223	werner	36	case PKT_SIGNATURE:
224			{PKT_signature *sig = pkt->pkt.signature; n++;
225			if (!sig)
226			break;
227	twoaday	271	_snprintf( inf, DIM(inf)-1,
228	werner	36	"signature packet: version %d, algo %s, keyid 0x%08X, created %s",
229			sig->version, get_pubkey_algo(sig->pubkey_algo), sig->keyid[1],
230	twoaday	225	get_fmt_date (sig->timestamp));
231			listbox_add_string (list, inf); }
232	werner	36	break;
233
234
235			case PKT_USER_ID:
236			{PKT_user_id *id = pkt->pkt.user_id; n++;
237			if (!id)
238			break;
239	twoaday	225	p = utf8_to_native (id->name);
240	twoaday	271	_snprintf (inf, DIM (inf)-1, "user id packet: %s", p);
241	twoaday	225	free_if_alloc (p);
242			listbox_add_string (list, inf); }
243	werner	36	break;
244
245			case PKT_COMPRESSED:
246			{PKT_compressed *zip = pkt->pkt.compressed; n++;
247			if (!zip)
248			break;
249	twoaday	271	_snprintf (inf, DIM(inf)-1,
250	twoaday	225	"compressed packet: algo %s, length %d",
251			get_compress_algo(zip->algorithm), zip->len);
252			listbox_add_string (list, inf); }
253	werner	36	break;
254	twoaday	178
255	twoaday	65	default:
256			break;
257	werner	36	}
258			gpg_free_packet (pkt);
259			gpg_init_packet (pkt);
260	twoaday	271	if (n > MAX_PKTS)
261			break;
262	werner	36	}
263			gpg_iobuf_close (inp);
264			safe_free (pkt);
265			return n;
266			}
267
268
269			/* Dialog box procedure for showing file status. */
270			BOOL CALLBACK
271			file_stat_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
272			{
273			const char *file;
274
275			switch (msg) {
276	twoaday	256	case WM_INITDIALOG:
277	werner	36	file = (const char*)lparam;
278	twoaday	225	if (!file)
279			BUG (0);
280	twoaday	271	if (do_list_packets (GetDlgItem (dlg, IDC_FILE_STAT_LIST), file) < 1) {
281			msg_box (dlg, _("No valid OpenPGP data found."),
282			_("File Status"), MB_ERR);
283	werner	36	EndDialog (dlg, FALSE);
284	twoaday	225	return TRUE;
285	werner	36	}
286	twoaday	256	SetWindowText (dlg, _("File Status"));
287	werner	36	SetForegroundWindow (dlg);
288			break;
289
290			case WM_COMMAND:
291			switch (LOWORD (wparam)) {
292			case IDOK:
293			EndDialog (dlg, TRUE);
294			break;
295	twoaday	213
296			case IDCANCEL:
297			EndDialog (dlg, FALSE);
298			break;
299	werner	36	}
300			break;
301			}
302
303			return FALSE;
304			}