trunk/Src/wptVerifyList.cpp

/* wptVerifyList.cpp - Listview for verifying signatures
 *      Copyright (C) 2001, 2002, 2003, 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 WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */
#include <windows.h>
#include <time.h>

#include "wptTypes.h"
#include "wptGPG.h"
#include "wptCommonCtl.h"
#include "wptKeylist.h"
#include "wptNLS.h"
#include "wptErrors.h"
#include "wptUTF8.h"
#include "wptW32API.h"


/* Extract the file name part out of the given path in @path.
   Return value: file part or NULL on error. */
static char*
extract_filename (const char *path)
{
    char * fname, *p;
    int n, len = 0;

    p = strrchr (path, '\\');
    if (!p)
        return m_strdup (path);
    n = p - path;
    len = strlen (path) - n;
    fname = new char[len+1];
    if (!fname)
        BUG (NULL);
    memcpy (fname, path+n+1, len);
    fname[len] = '\0';
    return fname;
}


/* String representaton of the time in @timestamp.
   Format YEAR-MON-DAY HOUR:MIN:SEC.
   Return value: time as formatted string. */
const char *
strtimestamp (long timestamp)
{
    static char timebuf[64] = {0};
    struct tm *warp;
    
    warp = localtime (&timestamp);
    _snprintf (timebuf, sizeof timebuf - 1, "%04d-%02d-%02d %02d:%02d:%02d",
               warp->tm_year+1900, warp->tm_mon+1, warp->tm_mday,       
               warp->tm_hour, warp->tm_min, warp->tm_sec);
    return timebuf;
}


/* Map the signature summary in @sum to signature status table index. 
   Return value: index to table. */
int
sigsum_to_index (gpgme_sigsum_t sum)
{
    if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_KEY_REVOKED))
        return 7;
    if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_SIG_EXPIRED))
        return 6;
    if (sum & GPGME_SIGSUM_GREEN)
        return 1;
    else if (sum & GPGME_SIGSUM_RED)
        return 2;
    else if (sum & GPGME_SIGSUM_KEY_MISSING)
        return 3;
    return 0;
}


/* Build a verify signature list control. With the parent window
   from @ctrl and the mod given in @fm_mode. @lv contains the
   new control on success.
   Return value: 0 on success. */
int
verlist_build (listview_ctrl_t *lv, HWND ctrl, int fm_mode)
{
    int j, rc = 0;
    struct listview_ctrl_s * c;
    struct listview_column_s fm_verlist[] = {   
        {0, 100, (char *)_("Name") },
        {1, 120, (char *)_("Status") },
        {2, 115, (char *)_("Signed") },
        {3,  58, (char *)_("Trust") },          
        {4, 160, (char *)_("User ID") },
        {5, 0, NULL}
        
    };
    struct listview_column_s verlist[] = {      
        {0, 140, (char *)_("Status") },
        {1, 120, (char *)_("Signed") },
        {2,  58, (char *)_("Trust") },
        {3,  80, (char *)_("Key ID" )},
        {4, 160, (char *)_("User ID") },
        {5, 0, NULL}
    };
    
    rc = listview_new (&c);
    if (rc)
        return rc;
    
    c->ctrl = ctrl;
    if( fm_mode ) {
        for( j = 0; fm_verlist[j].fieldname; j++ )      
            listview_add_column( c, &fm_verlist[j] );
    }
    else {
        for( j = 0; verlist[j].fieldname; j++ )
            listview_add_column( c, &verlist[ j ] );    
    }
    listview_set_ext_style( c );
    *lv = c;
    return 0;
}


/* Delete the given verify control in @lv. */
void
verlist_delete (listview_ctrl_t lv)
{
    if (lv) {
        listview_release (lv);  
    }
}


/* Add the given signature in @sig to the verify control @lv.
   Return value: 0 on success. */
int
verlist_add_sig (listview_ctrl_t lv, gpgme_signature_t sig)
{
    gpgme_key_t key = NULL;
    const char * attr;
    u32 key_attr;
    char keyid[32+1];
    char * uid = NULL;
    
    if (listview_add_item (lv, " "))
        return WPTERR_GENERAL;
    
    get_pubkey (sig->fpr, &key);
    
    attr = get_gpg_sigstat (sig->summary);
    if( attr )
        listview_add_sub_item (lv, 0, 0, (char *)attr);
    
    attr = strtimestamp (sig->timestamp);
    listview_add_sub_item (lv, 0, 1, (char *)attr);
    
    attr = _("Unknown");
    if (key) {
        key_attr = key->uids->validity;
        attr = get_key_trust2 (NULL, key_attr, 0, 0);
    }
    listview_add_sub_item (lv, 0, 2, (char *)attr);
    
    attr = sig->fpr;
    if (!attr || strlen (attr) < 8)
        listview_add_sub_item (lv, 0, 3, "????????");
    else {
        if (strlen (attr) == 40)
            attr += 32;
        else
            attr += 24;
        _snprintf (keyid, sizeof keyid -1, "0x%s", attr);
        listview_add_sub_item (lv, 0, 3, keyid);
    }
    
    if (!key) {
        attr = _("Invalid User ID");
        listview_add_sub_item( lv, 0, 4, (char *)attr );
    }
    else {
        attr = key->uids->name;
        uid = utf8_to_wincp (attr, strlen (attr));
        if (uid) {
            listview_add_sub_item( lv, 0, 4, (char *)uid );
            free (uid);
        }
    }

    return 0;
}


/* Add the given file signature in @log to the verify control @lv.
   Return value: 0 on success. */
int
verlist_add_sig_log (listview_ctrl_t lv, file_sig_ctx_t log)
{
    gpgme_signature_t sig = log->sig;
    gpgme_key_t key = NULL;
    const char *attr;    
    char t[64], *name;

    if (listview_add_item (lv, ""))
        return WPTERR_GENERAL;

    get_pubkey (sig->fpr, &key);
    
    name = extract_filename (log->file);
    if (name)
        listview_add_sub_item (lv, 0, 0, name);
    else
        listview_add_sub_item (lv, 0, 0, log->file);
    free_if_alloc (name);
    
    attr = get_gpg_sigstat (sig->summary);
    if (attr)
        listview_add_sub_item (lv, 0, 1, attr);

    if (sig->timestamp > 0) {
        attr = strtimestamp (sig->timestamp);
        listview_add_sub_item (lv, 0, 2, attr);
    }
    else
        listview_add_sub_item (lv, 0, 2, "No time");
    
    attr = _("Unknown");
    if (key)
        attr = get_key_trust2 (NULL, key->uids->validity, 0, 0);
    listview_add_sub_item (lv, 0, 3, attr);
    
    attr = sig->fpr;
    if (!log->use_uid && strlen (attr) == 40) {
        _snprintf (t, sizeof (t)-1, "0x%s", attr + 32);
        listview_add_sub_item (lv, 0, 4, t);
    }
    else if( !log->use_uid && strlen( attr ) == 32 ) {
        _snprintf (t, sizeof (t)-1, "0x%s", attr + 24);
        listview_add_sub_item (lv, 0, 4, t);
    }
    else if (log->user_id) {
        char *p = utf8_to_wincp (log->user_id, strlen (log->user_id));
        if (p) {
            listview_add_sub_item (lv, 0, 4, p);
            free (p);
        }
    }
    return 0;
}
1	twoaday	2	/* wptVerifyList.cpp - Listview for verifying signatures
2	twoaday	19	* Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz
3	twoaday	25	* Copyright (C) 2005 g10 Code GmbH
4	twoaday	2	*
5			* This file is part of WinPT.
6			*
7			* WinPT is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU General Public License
9			* as published by the Free Software Foundation; either version 2
10			* of the License, or (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 GNU
15			* General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with WinPT; if not, write to the Free Software Foundation,
19			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20			*/
21			#include <windows.h>
22			#include <time.h>
23
24			#include "wptTypes.h"
25			#include "wptGPG.h"
26			#include "wptCommonCtl.h"
27			#include "wptKeylist.h"
28			#include "wptNLS.h"
29			#include "wptErrors.h"
30			#include "wptUTF8.h"
31			#include "wptW32API.h"
32
33
34	twoaday	23	/* Extract the file name part out of the given path in @path.
35			Return value: file part or NULL on error. */
36			static char*
37			extract_filename (const char *path)
38	twoaday	2	{
39	twoaday	23	char * fname, *p;
40	twoaday	2	int n, len = 0;
41
42	twoaday	23	p = strrchr (path, '\\');
43			if (!p)
44			return m_strdup (path);
45	twoaday	2	n = p - path;
46	twoaday	23	len = strlen (path) - n;
47	twoaday	2	fname = new char[len+1];
48	twoaday	23	if (!fname)
49			BUG (NULL);
50			memcpy (fname, path+n+1, len);
51	twoaday	2	fname[len] = '\0';
52			return fname;
53	twoaday	23	}
54	twoaday	2
55
56	twoaday	23	/* String representaton of the time in @timestamp.
57			Format YEAR-MON-DAY HOUR:MIN:SEC.
58			Return value: time as formatted string. */
59	twoaday	2	const char *
60	twoaday	23	strtimestamp (long timestamp)
61	twoaday	2	{
62			static char timebuf[64] = {0};
63	twoaday	32	struct tm *warp;
64	twoaday	2
65	twoaday	23	warp = localtime (&timestamp);
66			_snprintf (timebuf, sizeof timebuf - 1, "%04d-%02d-%02d %02d:%02d:%02d",
67	twoaday	2	warp->tm_year+1900, warp->tm_mon+1, warp->tm_mday,
68	twoaday	23	warp->tm_hour, warp->tm_min, warp->tm_sec);
69	twoaday	2	return timebuf;
70	twoaday	23	}
71	twoaday	2
72
73	twoaday	23	/* Map the signature summary in @sum to signature status table index.
74			Return value: index to table. */
75	twoaday	2	int
76	twoaday	23	sigsum_to_index (gpgme_sigsum_t sum)
77	twoaday	2	{
78	twoaday	23	if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_KEY_REVOKED))
79			return 7;
80			if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_SIG_EXPIRED))
81			return 6;
82			if (sum & GPGME_SIGSUM_GREEN)
83			return 1;
84			else if (sum & GPGME_SIGSUM_RED)
85			return 2;
86			else if (sum & GPGME_SIGSUM_KEY_MISSING)
87			return 3;
88			return 0;
89			}
90
91
92			/* Build a verify signature list control. With the parent window
93			from @ctrl and the mod given in @fm_mode. @lv contains the
94			new control on success.
95			Return value: 0 on success. */
96			int
97			verlist_build (listview_ctrl_t *lv, HWND ctrl, int fm_mode)
98			{
99	twoaday	2	int j, rc = 0;
100			struct listview_ctrl_s * c;
101			struct listview_column_s fm_verlist[] = {
102			{0, 100, (char *)_("Name") },
103			{1, 120, (char *)_("Status") },
104			{2, 115, (char *)_("Signed") },
105			{3, 58, (char *)_("Trust") },
106			{4, 160, (char *)_("User ID") },
107	twoaday	32	{5, 0, NULL}
108	twoaday	2
109			};
110			struct listview_column_s verlist[] = {
111			{0, 140, (char *)_("Status") },
112			{1, 120, (char *)_("Signed") },
113			{2, 58, (char *)_("Trust") },
114	twoaday	19	{3, 80, (char *)_("Key ID" )},
115	twoaday	32	{4, 160, (char *)_("User ID") },
116			{5, 0, NULL}
117	twoaday	2	};
118
119	twoaday	32	rc = listview_new (&c);
120			if (rc)
121	twoaday	2	return rc;
122
123			c->ctrl = ctrl;
124			if( fm_mode ) {
125			for( j = 0; fm_verlist[j].fieldname; j++ )
126			listview_add_column( c, &fm_verlist[j] );
127			}
128			else {
129			for( j = 0; verlist[j].fieldname; j++ )
130			listview_add_column( c, &verlist[ j ] );
131			}
132			listview_set_ext_style( c );
133			*lv = c;
134			return 0;
135	twoaday	23	}
136	twoaday	2
137
138	twoaday	23	/* Delete the given verify control in @lv. */
139	twoaday	2	void
140	twoaday	23	verlist_delete (listview_ctrl_t lv)
141	twoaday	2	{
142	twoaday	23	if (lv) {
143			listview_release (lv);
144	twoaday	2	}
145	twoaday	23	}
146	twoaday	2
147
148	twoaday	23	/* Add the given signature in @sig to the verify control @lv.
149			Return value: 0 on success. */
150	twoaday	2	int
151	twoaday	23	verlist_add_sig (listview_ctrl_t lv, gpgme_signature_t sig)
152	twoaday	2	{
153	twoaday	23	gpgme_key_t key = NULL;
154	twoaday	2	const char * attr;
155	twoaday	25	u32 key_attr;
156	twoaday	2	char keyid[32+1];
157			char * uid = NULL;
158
159	twoaday	25	if (listview_add_item (lv, " "))
160	twoaday	2	return WPTERR_GENERAL;
161
162	twoaday	23	get_pubkey (sig->fpr, &key);
163	twoaday	2
164	twoaday	23	attr = get_gpg_sigstat (sig->summary);
165	twoaday	2	if( attr )
166	twoaday	25	listview_add_sub_item (lv, 0, 0, (char *)attr);
167	twoaday	2
168	twoaday	25	attr = strtimestamp (sig->timestamp);
169			listview_add_sub_item (lv, 0, 1, (char *)attr);
170	twoaday	2
171	twoaday	23	attr = _("Unknown");
172			if (key) {
173			key_attr = key->uids->validity;
174			attr = get_key_trust2 (NULL, key_attr, 0, 0);
175			}
176	twoaday	25	listview_add_sub_item (lv, 0, 2, (char *)attr);
177	twoaday	2
178	twoaday	23	attr = sig->fpr;
179			if (!attr \|\| strlen (attr) < 8)
180	twoaday	25	listview_add_sub_item (lv, 0, 3, "????????");
181	twoaday	23	else {
182			if (strlen (attr) == 40)
183			attr += 32;
184			else
185			attr += 24;
186			_snprintf (keyid, sizeof keyid -1, "0x%s", attr);
187			listview_add_sub_item (lv, 0, 3, keyid);
188			}
189	twoaday	2
190	twoaday	23	if (!key) {
191	twoaday	2	attr = _("Invalid User ID");
192			listview_add_sub_item( lv, 0, 4, (char *)attr );
193	twoaday	23	}
194	twoaday	2	else {
195	twoaday	23	attr = key->uids->name;
196	twoaday	2	uid = utf8_to_wincp (attr, strlen (attr));
197	twoaday	23	if (uid) {
198	twoaday	2	listview_add_sub_item( lv, 0, 4, (char *)uid );
199	twoaday	25	free (uid);
200	twoaday	2	}
201			}
202	twoaday	23
203	twoaday	2	return 0;
204	twoaday	23	}
205	twoaday	2
206
207	twoaday	23	/* Add the given file signature in @log to the verify control @lv.
208			Return value: 0 on success. */
209	twoaday	2	int
210	twoaday	25	verlist_add_sig_log (listview_ctrl_t lv, file_sig_ctx_t log)
211	twoaday	2	{
212	twoaday	23	gpgme_signature_t sig = log->sig;
213			gpgme_key_t key = NULL;
214			const char *attr;
215			char t[64], *name;
216	twoaday	2
217	twoaday	25	if (listview_add_item (lv, ""))
218	twoaday	2	return WPTERR_GENERAL;
219	twoaday	23
220			get_pubkey (sig->fpr, &key);
221	twoaday	2
222	twoaday	23	name = extract_filename (log->file);
223	twoaday	25	if (name)
224	twoaday	23	listview_add_sub_item (lv, 0, 0, name);
225	twoaday	25	else
226			listview_add_sub_item (lv, 0, 0, log->file);
227	twoaday	23	free_if_alloc (name);
228	twoaday	2
229	twoaday	23	attr = get_gpg_sigstat (sig->summary);
230	twoaday	25	if (attr)
231			listview_add_sub_item (lv, 0, 1, attr);
232	twoaday	2
233	twoaday	25	if (sig->timestamp > 0) {
234			attr = strtimestamp (sig->timestamp);
235			listview_add_sub_item (lv, 0, 2, attr);
236			}
237			else
238			listview_add_sub_item (lv, 0, 2, "No time");
239	twoaday	2
240	twoaday	23	attr = _("Unknown");
241			if (key)
242	twoaday	25	attr = get_key_trust2 (NULL, key->uids->validity, 0, 0);
243			listview_add_sub_item (lv, 0, 3, attr);
244	twoaday	2
245	twoaday	23	attr = sig->fpr;
246	twoaday	25	if (!log->use_uid && strlen (attr) == 40) {
247			_snprintf (t, sizeof (t)-1, "0x%s", attr + 32);
248			listview_add_sub_item (lv, 0, 4, t);
249	twoaday	2	}
250	twoaday	23	else if( !log->use_uid && strlen( attr ) == 32 ) {
251	twoaday	25	_snprintf (t, sizeof (t)-1, "0x%s", attr + 24);
252			listview_add_sub_item (lv, 0, 4, t);
253	twoaday	2	}
254	twoaday	25	else if (log->user_id) {
255			char *p = utf8_to_wincp (log->user_id, strlen (log->user_id));
256			if (p) {
257			listview_add_sub_item (lv, 0, 4, p);
258			free (p);
259	twoaday	2	}
260			}
261			return 0;
262	twoaday	23	}