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 <assert.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[128];

    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;
        assert (file != NULL);
        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	twoaday	310	#include <assert.h>
28	werner	36
29	werner	47	#include "resource.h"
30	werner	36	#include "wptTypes.h"
31			#include "wptGPG.h"
32			#include "wptCommonCtl.h"
33			#include "wptContext.h"
34			#include "wptErrors.h"
35			#include "wptW32API.h"
36	twoaday	225	#include "wptUTF8.h"
37	werner	36	#include "openpgp.h"
38
39	twoaday	271	/* Make sure that the list won't consume too much memory. */
40			#define MAX_PKTS 1024
41
42	twoaday	256	/* Return the date in locale format. */
43	twoaday	225	const char*
44			get_fmt_date (long timest)
45			{
46	twoaday	310	static char buf[128];
47	twoaday	225
48	twoaday	271	get_locale_date (timest, buf, DIM (buf)-1);
49	twoaday	225	return buf;
50			}
51
52
53	twoaday	256	/* Return humand readable public key algo. */
54	werner	36	static const char*
55			get_pubkey_algo (int algo)
56			{
57			if (algo == 17)
58			return "DSA";
59			else if (is_ELGAMAL (algo))
60			return "ELG";
61			else if (is_RSA (algo))
62			return "RSA";
63			return NULL;
64			}
65
66
67	twoaday	256	/* Return human readable symmetric algo. */
68	werner	36	const char*
69			get_symkey_algo (int algo)
70			{
71			switch (algo) {
72			case 0: return "PLAINTEXT";
73			case 1: return "IDEA";
74			case 2: return "3DES";
75			case 3: return "CAST5";
76			case 4: return "BLOWFISH";
77	twoaday	226	case 7: return "AES128";
78			case 8: return "AES192";
79			case 9: return "AES256";
80	twoaday	178	default: break;
81	werner	36	}
82			return "UNKNOWN";
83			}
84
85
86	twoaday	256	/* Return human readable hash algo. */
87	werner	36	static const char*
88			get_digest_algo (int algo)
89			{
90			switch (algo) {
91			case 0: return "NONE";
92			case 1: return "MD5";
93			case 2: return "SHA1";
94			case 3: return "RMD160";
95			case 5: return "MD2";
96			case 8: return "SHA256";
97			case 9: return "SHA384";
98			case 10:return "SHA512";
99	twoaday	178	default: break;
100	werner	36	}
101			return "UNKNOWN";
102			}
103
104
105	twoaday	256	/* Return human readable compress algo. */
106	werner	36	static const char*
107			get_compress_algo (int algo)
108			{
109			switch (algo) {
110			case 0: return "NONE";
111			case 1: return "ZIB";
112			case 2: return "ZLIB";
113			case 3: return "BZIP2";
114	twoaday	178	default: break;
115	werner	36	}
116			return "UNKNOWN";
117			}
118
119
120	twoaday	256	/* Return human string to key algo. */
121	werner	36	static const char*
122	twoaday	178	get_s2k_algo (int algo)
123			{
124			switch (algo) {
125			case 0: return "SIMPLE";
126			case 1: return "SALTED";
127			case 3: return "ITER+SALTED";
128			default:break;
129			}
130			return "INVALID";
131			}
132
133
134	twoaday	225	/* List all OpenPGP packets from the file @file.
135	werner	36	Return value: number of packets. */
136			static int
137			do_list_packets (HWND list, const char *file)
138			{
139			PACKET *pkt;
140			gpg_iobuf_t inp = NULL;
141			armor_filter_context_t afx;
142			size_t n=0;
143			int rc = 0;
144	twoaday	225	char inf[1024], *p;
145	werner	36
146			if (!list \|\| !file) {
147	twoaday	271	log_debug ("do_list_packets: invalid parameters\n");
148	werner	36	return -1;
149			}
150
151			inp = gpg_iobuf_open (file);
152			if (!inp) {
153	twoaday	256	log_box (_("File Manager"), MB_ERR, "%s: %s", file,
154	werner	36	winpt_strerror (WPTERR_FILE_OPEN));
155			return -1;
156			}
157	twoaday	256	gpg_iobuf_ioctl (inp, 3, 1, NULL); /* disable cache */
158	werner	36	if (gpg_use_armor_filter (inp)) {
159			memset (&afx, 0, sizeof (afx));
160			gpg_iobuf_push_filter (inp, gpg_armor_filter, &afx);
161			}
162			pkt = (PACKET )calloc(1, sizeof pkt);
163			gpg_init_packet (pkt);
164			while ((rc = gpg_parse_packet (inp, pkt)) != -1) {
165			switch (pkt->pkttype) {
166			case PKT_PUBKEY_ENC:
167			{PKT_pubkey_enc *enc = pkt->pkt.pubkey_enc; n++;
168			if (!enc)
169			break;
170	twoaday	271	_snprintf (inf, DIM(inf)-1,
171	werner	36	"public key encryted packet: version %d, algo %s, keyid 0x%08X",
172			enc->version, get_pubkey_algo(enc->pubkey_algo), enc->keyid[1]);
173			listbox_add_string (list, inf);}
174			break;
175
176			case PKT_SYMKEY_ENC:
177			{PKT_symkey_enc *enc = pkt->pkt.symkey_enc; n++;
178			if (!enc)
179			break;
180	twoaday	271	_snprintf (inf, DIM(inf)-1,
181	twoaday	178	"symmetric key encrypted packet: version %d, cipher %s, s2k %s, hash %s",
182	twoaday	225	enc->version, get_symkey_algo (enc->cipher_algo),
183			get_s2k_algo (enc->s2k.mode),
184			get_digest_algo (enc->s2k.hash_algo));
185	twoaday	178	listbox_add_string (list, inf); }
186	werner	36	break;
187
188			case PKT_ENCRYPTED:
189			case PKT_ENCRYPTED_MDC:
190			{PKT_encrypted *enc = pkt->pkt.encrypted; n++;
191			if (!enc)
192			break;
193	twoaday	271	_snprintf (inf, DIM(inf)-1,
194	twoaday	225	"encrypted data packet: mdc method %d, length %d",
195			enc->mdc_method, enc->len);
196			listbox_add_string (list, inf); }
197	werner	36	break;
198
199			case PKT_PUBLIC_KEY:
200			case PKT_PUBLIC_SUBKEY:
201			{PKT_public_key *pk = pkt->pkt.public_key; n++;
202			if (!pk)
203			break;
204	twoaday	271	_snprintf( inf, DIM(inf)-1,
205	werner	36	"public key packet: version %d, algo %s, created %s",
206	twoaday	225	pk->version, get_pubkey_algo (pk->pubkey_algo),
207			get_fmt_date (pk->timestamp));
208			listbox_add_string (list, inf); }
209	werner	36	break;
210
211			case PKT_SECRET_KEY:
212			case PKT_SECRET_SUBKEY:
213			{PKT_secret_key *sk = pkt->pkt.secret_key; n++;
214			if (!sk)
215			break;
216	twoaday	271	_snprintf( inf, DIM(inf)-1,
217	werner	36	"secret key packet: version %d, algo %s, created %s mode %d",
218	twoaday	225	sk->version, get_pubkey_algo (sk->pubkey_algo),
219			get_fmt_date (sk->timestamp),
220			sk->protect.s2k.mode);
221			listbox_add_string (list, inf); }
222	werner	36	break;
223	twoaday	225
224	werner	36	case PKT_SIGNATURE:
225			{PKT_signature *sig = pkt->pkt.signature; n++;
226			if (!sig)
227			break;
228	twoaday	271	_snprintf( inf, DIM(inf)-1,
229	werner	36	"signature packet: version %d, algo %s, keyid 0x%08X, created %s",
230			sig->version, get_pubkey_algo(sig->pubkey_algo), sig->keyid[1],
231	twoaday	225	get_fmt_date (sig->timestamp));
232			listbox_add_string (list, inf); }
233	werner	36	break;
234
235
236			case PKT_USER_ID:
237			{PKT_user_id *id = pkt->pkt.user_id; n++;
238			if (!id)
239			break;
240	twoaday	225	p = utf8_to_native (id->name);
241	twoaday	271	_snprintf (inf, DIM (inf)-1, "user id packet: %s", p);
242	twoaday	225	free_if_alloc (p);
243			listbox_add_string (list, inf); }
244	werner	36	break;
245
246			case PKT_COMPRESSED:
247			{PKT_compressed *zip = pkt->pkt.compressed; n++;
248			if (!zip)
249			break;
250	twoaday	271	_snprintf (inf, DIM(inf)-1,
251	twoaday	225	"compressed packet: algo %s, length %d",
252			get_compress_algo(zip->algorithm), zip->len);
253			listbox_add_string (list, inf); }
254	werner	36	break;
255	twoaday	178
256	twoaday	65	default:
257			break;
258	werner	36	}
259			gpg_free_packet (pkt);
260			gpg_init_packet (pkt);
261	twoaday	271	if (n > MAX_PKTS)
262			break;
263	werner	36	}
264			gpg_iobuf_close (inp);
265			safe_free (pkt);
266			return n;
267			}
268
269
270			/* Dialog box procedure for showing file status. */
271			BOOL CALLBACK
272			file_stat_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
273			{
274			const char *file;
275
276			switch (msg) {
277	twoaday	256	case WM_INITDIALOG:
278	werner	36	file = (const char*)lparam;
279	twoaday	310	assert (file != NULL);
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			}