trunk/Src/wptVerifyList.cpp

/* wptVerifyList.cpp - Listview for verifying signatures
 *      Copyright (C) 2001, 2002, 2003, 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 
 */
#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, t;
    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 );
    
    t = sig->timestamp;
    attr = strtimestamp (t);
    if( attr )
        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, "0xDEADBEEF");
    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, siglog_context_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);
    free_if_alloc (name);
    
    attr = get_gpg_sigstat (sig->summary);
    if( attr )
        listview_add_sub_item( lv, 0, 1, attr );

    attr = strtimestamp( sig->timestamp );
    if( attr )
        listview_add_sub_item( lv, 0, 2, attr );
    
    attr = _("Unknown");
    if (key)
        attr = get_key_trust2 (NULL, key->owner_trust, 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	/* wptVerifyList.cpp - Listview for verifying signatures
2	* Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz
3	*
4	* This file is part of WinPT.
5	*
6	* WinPT is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU General Public License
8	* as published by the Free Software Foundation; either version 2
9	* of the License, or (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 GNU
14	* 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	#include <windows.h>
21	#include <time.h>
22
23	#include "wptTypes.h"
24	#include "wptGPG.h"
25	#include "wptCommonCtl.h"
26	#include "wptKeylist.h"
27	#include "wptNLS.h"
28	#include "wptErrors.h"
29	#include "wptUTF8.h"
30	#include "wptW32API.h"
31
32
33	/* Extract the file name part out of the given path in @path.
34	Return value: file part or NULL on error. */
35	static char*
36	extract_filename (const char *path)
37	{
38	char * fname, *p;
39	int n, len = 0;
40
41	p = strrchr (path, '\\');
42	if (!p)
43	return m_strdup (path);
44	n = p - path;
45	len = strlen (path) - n;
46	fname = new char[len+1];
47	if (!fname)
48	BUG (NULL);
49	memcpy (fname, path+n+1, len);
50	fname[len] = '\0';
51	return fname;
52	}
53
54
55	/* String representaton of the time in @timestamp.
56	Format YEAR-MON-DAY HOUR:MIN:SEC.
57	Return value: time as formatted string. */
58	const char *
59	strtimestamp (long timestamp)
60	{
61	static char timebuf[64] = {0};
62	struct tm * warp;
63
64	warp = localtime (&timestamp);
65	_snprintf (timebuf, sizeof timebuf - 1, "%04d-%02d-%02d %02d:%02d:%02d",
66	warp->tm_year+1900, warp->tm_mon+1, warp->tm_mday,
67	warp->tm_hour, warp->tm_min, warp->tm_sec);
68	return timebuf;
69	}
70
71
72	/* Map the signature summary in @sum to signature status table index.
73	Return value: index to table. */
74	int
75	sigsum_to_index (gpgme_sigsum_t sum)
76	{
77	if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_KEY_REVOKED))
78	return 7;
79	if ((sum & GPGME_SIGSUM_VALID) && (sum & GPGME_SIGSUM_SIG_EXPIRED))
80	return 6;
81	if (sum & GPGME_SIGSUM_GREEN)
82	return 1;
83	else if (sum & GPGME_SIGSUM_RED)
84	return 2;
85	else if (sum & GPGME_SIGSUM_KEY_MISSING)
86	return 3;
87	return 0;
88	}
89
90
91	/* Build a verify signature list control. With the parent window
92	from @ctrl and the mod given in @fm_mode. @lv contains the
93	new control on success.
94	Return value: 0 on success. */
95	int
96	verlist_build (listview_ctrl_t *lv, HWND ctrl, int fm_mode)
97	{
98	int j, rc = 0;
99	struct listview_ctrl_s * c;
100	struct listview_column_s fm_verlist[] = {
101	{0, 100, (char *)_("Name") },
102	{1, 120, (char *)_("Status") },
103	{2, 115, (char *)_("Signed") },
104	{3, 58, (char *)_("Trust") },
105	{4, 160, (char *)_("User ID") },
106	{5, 0, NULL }
107
108	};
109	struct listview_column_s verlist[] = {
110	{0, 140, (char *)_("Status") },
111	{1, 120, (char *)_("Signed") },
112	{2, 58, (char *)_("Trust") },
113	{3, 80, (char *)_("Key ID" )},
114	{4, 160, (char *)_("User ID") },
115	{5, 0, NULL }
116	};
117
118	rc = listview_new( &c );
119	if( rc )
120	return rc;
121
122	c->ctrl = ctrl;
123	if( fm_mode ) {
124	for( j = 0; fm_verlist[j].fieldname; j++ )
125	listview_add_column( c, &fm_verlist[j] );
126	}
127	else {
128	for( j = 0; verlist[j].fieldname; j++ )
129	listview_add_column( c, &verlist[ j ] );
130	}
131	listview_set_ext_style( c );
132	*lv = c;
133	return 0;
134	}
135
136
137	/* Delete the given verify control in @lv. */
138	void
139	verlist_delete (listview_ctrl_t lv)
140	{
141	if (lv) {
142	listview_release (lv);
143	}
144	}
145
146
147	/* Add the given signature in @sig to the verify control @lv.
148	Return value: 0 on success. */
149	int
150	verlist_add_sig (listview_ctrl_t lv, gpgme_signature_t sig)
151	{
152	gpgme_key_t key = NULL;
153	const char * attr;
154	u32 key_attr, t;
155	char keyid[32+1];
156	char * uid = NULL;
157
158	if( listview_add_item( lv, " " ) )
159	return WPTERR_GENERAL;
160
161	get_pubkey (sig->fpr, &key);
162
163	attr = get_gpg_sigstat (sig->summary);
164	if( attr )
165	listview_add_sub_item( lv, 0, 0, (char *)attr );
166
167	t = sig->timestamp;
168	attr = strtimestamp (t);
169	if( attr )
170	listview_add_sub_item (lv, 0, 1, (char *)attr);
171
172	attr = _("Unknown");
173	if (key) {
174	key_attr = key->uids->validity;
175	attr = get_key_trust2 (NULL, key_attr, 0, 0);
176	}
177	listview_add_sub_item( lv, 0, 2, (char *)attr );
178
179	attr = sig->fpr;
180	if (!attr \|\| strlen (attr) < 8)
181	listview_add_sub_item (lv, 0, 3, "0xDEADBEEF");
182	else {
183	if (strlen (attr) == 40)
184	attr += 32;
185	else
186	attr += 24;
187	_snprintf (keyid, sizeof keyid -1, "0x%s", attr);
188	listview_add_sub_item (lv, 0, 3, keyid);
189	}
190
191	if (!key) {
192	attr = _("Invalid User ID");
193	listview_add_sub_item( lv, 0, 4, (char *)attr );
194	}
195	else {
196	attr = key->uids->name;
197	uid = utf8_to_wincp (attr, strlen (attr));
198	if (uid) {
199	listview_add_sub_item( lv, 0, 4, (char *)uid );
200	free( uid );
201	}
202	}
203
204	return 0;
205	}
206
207
208	/* Add the given file signature in @log to the verify control @lv.
209	Return value: 0 on success. */
210	int
211	verlist_add_sig_log (listview_ctrl_t lv, siglog_context_t log)
212	{
213	gpgme_signature_t sig = log->sig;
214	gpgme_key_t key = NULL;
215	const char *attr;
216	char t[64], *name;
217
218	if( listview_add_item( lv, "" ) )
219	return WPTERR_GENERAL;
220
221	get_pubkey (sig->fpr, &key);
222
223	name = extract_filename (log->file);
224	if( name )
225	listview_add_sub_item (lv, 0, 0, name);
226	free_if_alloc (name);
227
228	attr = get_gpg_sigstat (sig->summary);
229	if( attr )
230	listview_add_sub_item( lv, 0, 1, attr );
231
232	attr = strtimestamp( sig->timestamp );
233	if( attr )
234	listview_add_sub_item( lv, 0, 2, attr );
235
236	attr = _("Unknown");
237	if (key)
238	attr = get_key_trust2 (NULL, key->owner_trust, 0, 0);
239	listview_add_sub_item( lv, 0, 3, attr );
240
241	attr = sig->fpr;
242	if( !log->use_uid && strlen( attr ) == 40 ) {
243	_snprintf( t, sizeof t-1, "0x%s", attr + 32 );
244	listview_add_sub_item( lv, 0, 4, t );
245	}
246	else if( !log->use_uid && strlen( attr ) == 32 ) {
247	_snprintf( t, sizeof t-1, "0x%s", attr + 24 );
248	listview_add_sub_item( lv, 0, 4, t );
249	}
250	else if( log->user_id ) {
251	char * p = utf8_to_wincp (log->user_id, strlen (log->user_id));
252	if( p ) {
253	listview_add_sub_item( lv, 0, 4, p );
254	free( p );
255	}
256	}
257	return 0;
258	}
259