trunk/Src/wptKeyserverDlg.cpp

/* wptKeyserverDlg.cpp - Keyserver dialog
 *      Copyright (C) 2000-2005 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
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <commctrl.h>
#include <malloc.h>

#include "resource.h"
#include "wptKeyserver.h"
#include "wptErrors.h"
#include "wptTypes.h"
#include "wptCommonCtl.h"
#include "wptNLS.h"
#include "wptW32API.h"
#include "wptVersion.h"
#include "wptGPG.h"
#include "wptKeyManager.h"
#include "wptContext.h" /* for passphrase_s */
#include "wptDlgs.h"


#define MAX_KEYSIZE 70000

char* get_reg_entry_keyserver (const char *);
int set_reg_entry_keyserver (const char *, const char *);


/* Print out keyserver error and a possible Winsock error. */
static void
hkp_err_box (HWND dlg, const char *host, WORD port, int rc)
{
    const char *err = kserver_strerror ();

    log_box (_("Keyserver"), MB_ERR, "%s:%d: %s", 
             host, port, winpt_strerror (rc));
    if (err)
        msg_box (dlg, err, wsock_strerror (), MB_ERR);
}


/* Send the extracted key with keyid @pattern to the 
   keyserver @kserver (port @port).
   Return value: 0 on success. */
int
hkp_send_key (HWND dlg, const char *kserver, WORD port, const char *pattern)
{
    gpgme_ctx_t ctx;
    gpgme_data_t keydata;
    gpgme_error_t ec;
    char *rawkey = NULL;
    char msg[384];
    size_t n;
    
    ec = gpgme_new (&ctx);
    if (ec)
        BUG (NULL);
    gpgme_set_armor (ctx, 1);
    ec = gpgme_data_new (&keydata);
    if (ec)
        BUG (NULL);
    ec = gpgme_op_export (ctx, pattern, 0, keydata);
    if (ec) {
        msg_box (dlg, gpgme_strerror (ec), _("Export"), MB_ERR);
        goto leave;
    }
    rawkey = gpgme_data_release_and_get_mem (keydata, &n);
    ec = kserver_sendkey (kserver, port, rawkey, n);
    if (ec) {
        hkp_err_box (dlg, kserver, port, ec);
        goto leave;
    }
    
    _snprintf (msg, sizeof (msg) -1, _("Key '%s' successfully sent"), pattern);
    status_box (dlg, msg, _("GnuPG status"));
    
leave:
    gpgme_release (ctx);
    if (rawkey)
        gpgme_free (rawkey);
    return ec? -1 : 0;
}


/* Receive a key from the keyserver @kserver (port @port)
   with the pattern @pattern.
   Return value: 0 on success. */
int
hkp_recv_key2 (HWND dlg, const char *kserver, WORD port,
               const char *pattern, int proto, int flags,
               char **r_fpr)
{
    gpgme_ctx_t ctx;
    gpgme_data_t keydata;
    gpgme_error_t ec;
    gpgme_import_result_t import_res = NULL;    
    char *rawkey = NULL;
    char msg[384];
    int rc;
    
    /* XXX: implement dynamic buffers. */
    rawkey = new char[MAX_KEYSIZE];
    if (!rawkey)
        BUG (0);
    memset (rawkey, 0, MAX_KEYSIZE);
    if (proto == KSPROTO_LDAP) {
        rc = ldap_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
        if (rc) {
            msg_box (dlg, _("LDAP key import failed.\n"
                            "Please make sure you have an online connection"
                            " and gpgkeys_ldap.exe is installed"),
                            _("Keyserver"), MB_ERR);
            free_if_alloc (rawkey);
            return rc;
        }
    }
    else if (proto == KSPROTO_FINGER) {
        rc = finger_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
        if (rc) {
            log_box (_("Keyserver"), MB_ERR, 
                     _("Finger key import failed: %s\n"), winpt_strerror (rc));
            free_if_alloc (rawkey);
            return rc;
        }
    }
    else if ((rc = kserver_recvkey (kserver, port, 
                                    kserver_check_keyid (pattern),
                                    rawkey, MAX_KEYSIZE-1))) {
        hkp_err_box (dlg, kserver, port, rc);
        free_if_alloc (rawkey);
        return rc;
    }
    else {
        if (!strstr (rawkey, "BEGIN PGP PUBLIC KEY BLOCK")) {
            msg_box (dlg, _("This is not a valid OpenPGP key."), 
                     _("Keyserver"), MB_ERR);
            goto leave;
        }
        ec = gpgme_new (&ctx);
        if (ec)
            BUG (NULL);
        gpgme_data_new_from_mem (&keydata, rawkey, strlen (rawkey), 1);
        rc = gpgme_op_import (ctx, keydata);
        if (rc) {
            msg_box (dlg, gpgme_strerror ((gpgme_error_t)rc), _("Import"), MB_ERR);
            goto leave;
        }
        import_res = gpgme_op_import_result (ctx);
        if (r_fpr)
            *r_fpr = m_strdup (import_res->imports->fpr);
    }
    
    /* if we use the refresh mode, a lot of keys will be fetched and thus only
       a summarize at the end is presented and not for each key. */
    if (!(flags & KM_KS_REFRESH)) {
        if (import_res && import_res->unchanged == 1) {
            _snprintf (msg, DIM (msg)-1,
                       _("Key '%s' successfully received but nothing was changed."), pattern );
            status_box (dlg, msg, _("GnuPG Status"));
            rc = WPTERR_GENERAL;
            goto leave;
        }
        _snprintf (msg, DIM (msg)-1, _("Key '%s' sucessfully received and imported."), pattern);
        status_box (dlg, msg, _("GnuPG Status"));
    }
    
leave:
    free_if_alloc (rawkey);
    gpgme_release (ctx);
    gpgme_data_release (keydata);

    return rc;
}


/* Alias for hkp_recv_key2 but without the ability to return 
   the fingerprint of the key. */
int
hkp_recv_key (HWND dlg, const char *kserver, WORD port,
              const char *pattern, int proto, int flags)
{
    return hkp_recv_key2 (dlg, kserver, port, pattern, proto, flags, NULL);
}


#define my_iskeychar(a) (((a) >='0' && (a) <= '9' ) || ((a) >= 'A' && (a) <= 'F'))

static int
check_pattern (const char *pattern)
{
    int rc = 1;
    
    /* Whitespace are not allowed! */
    if (strchr( pattern, ' ')) {
        rc = WPTERR_GENERAL;
        goto leave;
    }
    
    if (((strstr (pattern, "0x")) && (strlen (pattern) == 10)) ||
         (strstr(pattern, "0x")) && (strlen (pattern)  == 18)) {
        rc = 0; /* Either long or short keyid */
        goto leave;
    }
    
    if( (( my_iskeychar( pattern[0] )) && ( strlen( pattern )  == 8 ) )
         || (my_iskeychar(pattern[0])) && ( strlen( pattern ) == 16) ) {
        rc = 0;
        goto leave;
    }
    
    if( ( strchr( pattern, '@' ) ) && ( strlen( pattern ) >= 3 ) ) {
        rc = 0;
        goto leave;
    }
    
leave:
    return rc;
} /* check_pattern */


static void
set_proxy (HWND dlg)
{
    char proxy[256];
    int port = 0;
    
    strcpy (proxy, "HTTP proxy: ");
    if (kserver_get_proxy (&port)) {
        char t[128];
        const char *http = kserver_get_proxy (&port);
        _snprintf (t, sizeof (t) - 1, "\"%s:%d\"", http, port);
        strcat (proxy, t);
    }
    else
        strcat (proxy, "none");
    SetDlgItemText (dlg, IDC_KEYSERVER_PROXY, proxy);
} /* set_proxy */


static int inline
kserver_get_pos (listview_ctrl_t lv)
{
    if (listview_count_items (lv, 0) == 1)
        return 0;
    return listview_get_curr_pos (lv);
}


static u16 inline
kserver_get_port (listview_ctrl_t lv)
{
    char buf[16];

    listview_get_item_text (lv, kserver_get_pos (lv), 3, buf, 15);
    return (u16)strtoul (buf, NULL, 10);
}

static void
load_default_ks (listview_ctrl_t lv)
{
    char * p, buf[192];
    int i;

    p = get_reg_entry_keyserver ("Default");
    if (!p)
        return;
    for( i = 0; i < listview_count_items( lv, 0 ); i++ ) {
        listview_get_item_text( lv, i, 0, buf, sizeof (buf)-1 );
        if( !strncmp( p, buf, strlen( p ) ) ) {
            listview_add_sub_item( lv, i, 2, "x" );
            break;
        }
    }
    free_if_alloc (p);
} /* load_default_ks */


static int
save_default_ks (listview_ctrl_t lv)
{
    char buf[192], port[32];
    int idx, i;   

    idx = listview_get_curr_pos( lv );
    if( idx == -1 ) {
        msg_box( NULL, _("Please select one of the servers."), _("Keyserver"), MB_ERR );
        return -1;
    }
    listview_get_item_text( lv, idx, 1, buf, sizeof (buf)-1 );
    if( *buf != 'H' ) {
        msg_box( NULL, _("Only HTTP keyserver can be used."), _("Keyserver"), MB_ERR );
        return -1;
    }
    for (i = 0; i < listview_count_items( lv, 0 ); i++)
        listview_add_sub_item (lv, i, 2, "");
    listview_add_sub_item (lv, idx, 2, "x");
    listview_get_item_text (lv, idx, 0, buf, sizeof (buf)-1);
    set_reg_entry_keyserver ("Default", buf);
    i = kserver_get_port (lv);
    sprintf (port, "%d", i);
    set_reg_entry_keyserver ("Default_Port", port);
    keyserver_set_default (buf, (u16)i);
    return 0;
} /* save_default_ks */


int
keyserver_list_build (listview_ctrl_t *r_lv, HWND hwnd)
{
    struct listview_column_s keyserver[] = {
        {0, 160, (char *)_("DNS Name")},        
        {1,  52, (char *)_("Protocol")},
        {2,  46, (char *)_("Default")},
        {3,  46, (char *)_("Port")},
        {0,   0, NULL}
    };
    listview_ctrl_t lv;
    char buf[32];
    int j;

    listview_new (&lv);    
    lv->ctrl = hwnd;       
    for (j=0; keyserver[j].fieldname; j++)
        listview_add_column (lv, &keyserver[j]);        
    for (j = 0; j<MAX_KEYSERVERS; j++) {
        if (!server[j].used)
            continue;
        listview_add_item (lv, " ");
        listview_add_sub_item (lv, 0, 0, server[j].name);
        switch (server[j].proto) {
        case KSPROTO_HTTP:
            listview_add_sub_item( lv, 0, 1, "H" ); break;
        case KSPROTO_LDAP:
            listview_add_sub_item( lv, 0, 1, "L" ); break;
        case KSPROTO_FINGER:
            listview_add_sub_item( lv, 0, 1, "F" ); break;
        }
        sprintf (buf, "%d", server[j].port);
        listview_add_sub_item (lv, 0, 3, buf);
    }
    load_default_ks (lv);
    if (listview_count_items (lv, 0) == 0) {
        listview_add_item (lv, "");
        listview_add_sub_item (lv, 0, 0, DEF_HKP_KEYSERVER);
        listview_add_sub_item (lv, 0, 1, "H");
    }
    listview_set_ext_style (lv);
    *r_lv = lv;
    return 0;
}


/* Dialog box procedure to access keyservers. */
BOOL CALLBACK
keyserver_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static listview_ctrl_t lv = NULL;
    static int lv_idx = 0;
    static struct genkey_s *key;
    keyserver_ctx ksc;
    char kserver[128], pattern[128];
    char proto[16];
    int rc, proto_nr = 0;
    
    switch (msg) {
    case WM_INITDIALOG:
        if (lparam != 0)
            key = (struct genkey_s*)lparam;
        SetWindowText (dlg, _("Keyserver Access"));
        SetDlgItemText (dlg, IDC_KEYSERVER_RECV, _("&Receive"));
        SetDlgItemText (dlg, IDC_KEYSERVER_SEND, 
                        _("Send key (default is receiving)"));
        SetDlgItemText (dlg, IDC_KEYSERVER_INFO,
                        _("Please enter the key ID or email address you search for"));
        SetDlgItemText (dlg, IDC_KEYSERVER_INDEX, _("&Search"));
        SetDlgItemText (dlg, IDC_KEYSERVER_PROXSETT, _("C&hange"));
        SetDlgItemText (dlg, IDC_KEYSERVER_DEFAULT, _("Set &default"));
        SetDlgItemText (dlg, IDCANCEL, _("&Cancel"));

        set_proxy (dlg);
        keyserver_list_build (&lv, GetDlgItem (dlg, IDC_KEYSERVER_LIST));
        center_window (dlg, NULL);
        SetForegroundWindow (dlg);
        return TRUE;
        
    case WM_NOTIFY:
        NMHDR *notify;
        notify = (NMHDR *)lparam;
        if (notify && notify->code == NM_CLICK
            && notify->idFrom == IDC_KEYSERVER_LIST)
            lv_idx = listview_get_curr_pos (lv);
        return TRUE;
        
    case WM_DESTROY:
        if (lv) {
            listview_release (lv);
            lv = NULL;
        }
        lv_idx = 0;
        return FALSE;
        
    case WM_SYSCOMMAND:
        if (LOWORD (wparam) == SC_CLOSE)
            EndDialog (dlg, TRUE);
        return FALSE;
        
    case WM_COMMAND:
        switch (LOWORD (wparam)) {
        case IDC_KEYSERVER_PROXSETT:
            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYSERVER_PROXY, 
                              dlg, keyserver_proxy_dlg_proc, 0,
                              _("Proxy Settings"), IDS_WINPT_KEYSERVER_PROXY);
            set_proxy (dlg);
            return TRUE;
            
        case IDC_KEYSERVER_INDEX:
            if (!lv_idx) {
                lv_idx = kserver_get_pos (lv);
                if (lv_idx == -1) {
                    msg_box (dlg, _("Please select one of the keyservers."), 
                             _("Keyserver"), MB_INFO);
                    return FALSE;
                }
            }
            listview_get_item_text (lv, lv_idx, 1, proto, sizeof (proto)-1);
            if (*proto == 'L') {
                msg_box (dlg, _("This is not implemented yet!"), 
                         _("Keyserver"), MB_ERR);
                return FALSE;
            }
            listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
            if (!GetDlgItemText (dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
                msg_box (dlg, _("Please enter the search pattern."), 
                         _("Keyserver"), MB_INFO);
                return FALSE;
            }
            ksc.name = kserver;
            ksc.pattern = pattern;
            ksc.port = kserver_get_port (lv);
            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_HKPSEARCH, dlg,
                            hkpsearch_dlg_proc, (LPARAM) &ksc);
            return TRUE;
            
        case IDC_KEYSERVER_RECV:
            memset (&kserver, 0, sizeof (kserver));
            if (!lv_idx) {
                lv_idx = kserver_get_pos (lv);
                if (lv_idx == -1) {
                    msg_box (dlg, _("Please select one of the keyservers."), 
                            _("Keyserver"), MB_INFO);
                    return FALSE;
                }
            }
            listview_get_item_text( lv, lv_idx, 1, proto, sizeof (proto)-1 );
            proto_nr = KSPROTO_HTTP;
            if (*proto == 'L')
                proto_nr = KSPROTO_LDAP;
            else if (*proto == 'F')
                proto_nr = KSPROTO_FINGER;
            listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
            if( !GetDlgItemText( dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
                msg_box (dlg, _("Please enter the search pattern."),
                         _("Keyserver"), MB_INFO);
                return FALSE;
            }
            if (proto_nr == KSPROTO_LDAP && strchr (pattern, '@')) {
                msg_box (dlg, _("Only keyids are allowed."), _("LDAP Keyserver"), MB_INFO);
                return FALSE;
            }
            else if (proto_nr == KSPROTO_FINGER) {
                if (strchr (pattern, '@') || strchr (pattern, ' ')) {
                    msg_box (dlg, _("Only enter the name of the user."), 
                             _("FINGER Keyserver"), MB_INFO);
                    return FALSE;
                }
            }
            else if (check_pattern (pattern)) {
                msg_box (dlg, _("Only email addresses or keyids are allowed."),
                        _("HKP Keyserver"), MB_INFO);
                return FALSE;
            }
            rc = hkp_recv_key2 (dlg, kserver, kserver_get_port (lv),
                                pattern, proto_nr, 0, key? &key->fpr : NULL);
            if (!rc && key->fpr != NULL) {
                keycache_update (0, key->fpr);
                get_pubkey (key->fpr, &key->newkey);
                /* we do not need the fingerprint any longer. */
                free_if_alloc (key->fpr);
            }
            return TRUE;

        case IDC_KEYSERVER_DEFAULT:
            save_default_ks (lv);
            break;
            
        case IDCANCEL:
            EndDialog (dlg, FALSE);
            return FALSE;
        }
        break;
    }
    
    return FALSE;
}
1	werner	36	/* wptKeyserverDlg.cpp - Keyserver dialog
2			* Copyright (C) 2000-2005 Timo Schulz
3	twoaday	115	* Copyright (C) 2005 g10 Code GmbH
4	werner	36	*
5			* This file is part of WinPT.
6			*
7			* WinPT is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (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
15			* GNU 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	werner	42	#ifdef HAVE_CONFIG_H
22			#include <config.h>
23			#endif
24
25	werner	36	#include <windows.h>
26			#include <commctrl.h>
27			#include <malloc.h>
28
29	werner	47	#include "resource.h"
30	werner	36	#include "wptKeyserver.h"
31			#include "wptErrors.h"
32			#include "wptTypes.h"
33			#include "wptCommonCtl.h"
34			#include "wptNLS.h"
35			#include "wptW32API.h"
36			#include "wptVersion.h"
37			#include "wptGPG.h"
38			#include "wptKeyManager.h"
39			#include "wptContext.h" /* for passphrase_s */
40			#include "wptDlgs.h"
41
42
43			#define MAX_KEYSIZE 70000
44
45	twoaday	109	char* get_reg_entry_keyserver (const char *);
46	werner	36	int set_reg_entry_keyserver (const char , const char );
47
48
49	twoaday	109	/* Print out keyserver error and a possible Winsock error. */
50	werner	36	static void
51	twoaday	109	hkp_err_box (HWND dlg, const char *host, WORD port, int rc)
52	werner	36	{
53	twoaday	109	const char *err = kserver_strerror ();
54	werner	36
55	twoaday	109	log_box (_("Keyserver"), MB_ERR, "%s:%d: %s",
56			host, port, winpt_strerror (rc));
57	werner	36	if (err)
58			msg_box (dlg, err, wsock_strerror (), MB_ERR);
59	twoaday	109	}
60	werner	36
61
62	twoaday	109	/* Send the extracted key with keyid @pattern to the
63			keyserver @kserver (port @port).
64			Return value: 0 on success. */
65	werner	36	int
66	twoaday	109	hkp_send_key (HWND dlg, const char kserver, WORD port, const char pattern)
67	werner	36	{
68	twoaday	109	gpgme_ctx_t ctx;
69	werner	36	gpgme_data_t keydata;
70			gpgme_error_t ec;
71	twoaday	109	char *rawkey = NULL;
72			char msg[384];
73	werner	36	size_t n;
74
75	twoaday	109	ec = gpgme_new (&ctx);
76			if (ec)
77			BUG (NULL);
78			gpgme_set_armor (ctx, 1);
79			ec = gpgme_data_new (&keydata);
80			if (ec)
81			BUG (NULL);
82			ec = gpgme_op_export (ctx, pattern, 0, keydata);
83			if (ec) {
84			msg_box (dlg, gpgme_strerror (ec), _("Export"), MB_ERR);
85	werner	36	goto leave;
86			}
87			rawkey = gpgme_data_release_and_get_mem (keydata, &n);
88	twoaday	109	ec = kserver_sendkey (kserver, port, rawkey, n);
89			if (ec) {
90			hkp_err_box (dlg, kserver, port, ec);
91	werner	36	goto leave;
92			}
93
94			_snprintf (msg, sizeof (msg) -1, _("Key '%s' successfully sent"), pattern);
95			status_box (dlg, msg, _("GnuPG status"));
96
97			leave:
98	twoaday	109	gpgme_release (ctx);
99	werner	36	if (rawkey)
100			gpgme_free (rawkey);
101	twoaday	109	return ec? -1 : 0;
102			}
103	werner	36
104
105	twoaday	109	/* Receive a key from the keyserver @kserver (port @port)
106			with the pattern @pattern.
107			Return value: 0 on success. */
108	werner	36	int
109	twoaday	115	hkp_recv_key2 (HWND dlg, const char *kserver, WORD port,
110			const char *pattern, int proto, int flags,
111			char **r_fpr)
112	werner	36	{
113			gpgme_ctx_t ctx;
114			gpgme_data_t keydata;
115			gpgme_error_t ec;
116	twoaday	115	gpgme_import_result_t import_res = NULL;
117	twoaday	109	char *rawkey = NULL;
118			char msg[384];
119	twoaday	115	int rc;
120	werner	36
121	twoaday	115	/* XXX: implement dynamic buffers. */
122	werner	36	rawkey = new char[MAX_KEYSIZE];
123			if (!rawkey)
124			BUG (0);
125			memset (rawkey, 0, MAX_KEYSIZE);
126	twoaday	109	if (proto == KSPROTO_LDAP) {
127			rc = ldap_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
128			if (rc) {
129			msg_box (dlg, _("LDAP key import failed.\n"
130	werner	36	"Please make sure you have an online connection"
131			" and gpgkeys_ldap.exe is installed"),
132	twoaday	109	_("Keyserver"), MB_ERR);
133			free_if_alloc (rawkey);
134	werner	36	return rc;
135			}
136			}
137			else if (proto == KSPROTO_FINGER) {
138			rc = finger_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
139			if (rc) {
140	twoaday	109	log_box (_("Keyserver"), MB_ERR,
141			_("Finger key import failed: %s\n"), winpt_strerror (rc));
142	werner	36	free_if_alloc (rawkey);
143			return rc;
144			}
145			}
146	twoaday	109	else if ((rc = kserver_recvkey (kserver, port,
147			kserver_check_keyid (pattern),
148			rawkey, MAX_KEYSIZE-1))) {
149	werner	36	hkp_err_box (dlg, kserver, port, rc);
150			free_if_alloc (rawkey);
151			return rc;
152			}
153			else {
154	twoaday	109	if (!strstr (rawkey, "BEGIN PGP PUBLIC KEY BLOCK")) {
155			msg_box (dlg, _("This is not a valid OpenPGP key."),
156			_("Keyserver"), MB_ERR);
157	werner	36	goto leave;
158			}
159	twoaday	109	ec = gpgme_new (&ctx);
160			if (ec)
161			BUG (NULL);
162			gpgme_data_new_from_mem (&keydata, rawkey, strlen (rawkey), 1);
163			rc = gpgme_op_import (ctx, keydata);
164			if (rc) {
165			msg_box (dlg, gpgme_strerror ((gpgme_error_t)rc), _("Import"), MB_ERR);
166	werner	36	goto leave;
167			}
168			import_res = gpgme_op_import_result (ctx);
169	twoaday	115	if (r_fpr)
170			*r_fpr = m_strdup (import_res->imports->fpr);
171	werner	36	}
172
173			/* if we use the refresh mode, a lot of keys will be fetched and thus only
174			a summarize at the end is presented and not for each key. */
175			if (!(flags & KM_KS_REFRESH)) {
176	twoaday	109	if (import_res && import_res->unchanged == 1) {
177	werner	36	_snprintf (msg, DIM (msg)-1,
178			_("Key '%s' successfully received but nothing was changed."), pattern );
179			status_box (dlg, msg, _("GnuPG Status"));
180			rc = WPTERR_GENERAL;
181			goto leave;
182			}
183			_snprintf (msg, DIM (msg)-1, _("Key '%s' sucessfully received and imported."), pattern);
184			status_box (dlg, msg, _("GnuPG Status"));
185			}
186
187			leave:
188			free_if_alloc (rawkey);
189			gpgme_release (ctx);
190			gpgme_data_release (keydata);
191
192			return rc;
193	twoaday	109	}
194	werner	36
195
196	twoaday	115	/* Alias for hkp_recv_key2 but without the ability to return
197			the fingerprint of the key. */
198			int
199			hkp_recv_key (HWND dlg, const char *kserver, WORD port,
200			const char *pattern, int proto, int flags)
201			{
202			return hkp_recv_key2 (dlg, kserver, port, pattern, proto, flags, NULL);
203			}
204
205
206	twoaday	109	#define my_iskeychar(a) (((a) >='0' && (a) <= '9' ) \|\| ((a) >= 'A' && (a) <= 'F'))
207	werner	36
208			static int
209	twoaday	109	check_pattern (const char *pattern)
210	werner	36	{
211			int rc = 1;
212
213			/* Whitespace are not allowed! */
214	twoaday	109	if (strchr( pattern, ' ')) {
215	werner	36	rc = WPTERR_GENERAL;
216			goto leave;
217			}
218
219	twoaday	109	if (((strstr (pattern, "0x")) && (strlen (pattern) == 10)) \|\|
220			(strstr(pattern, "0x")) && (strlen (pattern) == 18)) {
221			rc = 0; /* Either long or short keyid */
222	werner	36	goto leave;
223			}
224
225			if( (( my_iskeychar( pattern[0] )) && ( strlen( pattern ) == 8 ) )
226			\|\| (my_iskeychar(pattern[0])) && ( strlen( pattern ) == 16) ) {
227			rc = 0;
228			goto leave;
229			}
230
231			if( ( strchr( pattern, '@' ) ) && ( strlen( pattern ) >= 3 ) ) {
232			rc = 0;
233			goto leave;
234			}
235
236			leave:
237			return rc;
238			} /* check_pattern */
239
240
241			static void
242			set_proxy (HWND dlg)
243			{
244	twoaday	109	char proxy[256];
245	werner	36	int port = 0;
246
247			strcpy (proxy, "HTTP proxy: ");
248			if (kserver_get_proxy (&port)) {
249	twoaday	109	char t[128];
250	werner	36	const char *http = kserver_get_proxy (&port);
251			_snprintf (t, sizeof (t) - 1, "\"%s:%d\"", http, port);
252			strcat (proxy, t);
253			}
254			else
255	twoaday	109	strcat (proxy, "none");
256			SetDlgItemText (dlg, IDC_KEYSERVER_PROXY, proxy);
257	werner	36	} /* set_proxy */
258
259
260			static int inline
261			kserver_get_pos (listview_ctrl_t lv)
262			{
263			if (listview_count_items (lv, 0) == 1)
264			return 0;
265			return listview_get_curr_pos (lv);
266			}
267
268
269			static u16 inline
270			kserver_get_port (listview_ctrl_t lv)
271			{
272			char buf[16];
273
274			listview_get_item_text (lv, kserver_get_pos (lv), 3, buf, 15);
275			return (u16)strtoul (buf, NULL, 10);
276			}
277
278			static void
279			load_default_ks (listview_ctrl_t lv)
280			{
281			char * p, buf[192];
282			int i;
283
284			p = get_reg_entry_keyserver ("Default");
285			if (!p)
286			return;
287			for( i = 0; i < listview_count_items( lv, 0 ); i++ ) {
288			listview_get_item_text( lv, i, 0, buf, sizeof (buf)-1 );
289			if( !strncmp( p, buf, strlen( p ) ) ) {
290			listview_add_sub_item( lv, i, 2, "x" );
291			break;
292			}
293			}
294			free_if_alloc (p);
295			} /* load_default_ks */
296
297
298			static int
299			save_default_ks (listview_ctrl_t lv)
300			{
301			char buf[192], port[32];
302			int idx, i;
303
304			idx = listview_get_curr_pos( lv );
305			if( idx == -1 ) {
306			msg_box( NULL, _("Please select one of the servers."), _("Keyserver"), MB_ERR );
307			return -1;
308			}
309			listview_get_item_text( lv, idx, 1, buf, sizeof (buf)-1 );
310			if( *buf != 'H' ) {
311			msg_box( NULL, _("Only HTTP keyserver can be used."), _("Keyserver"), MB_ERR );
312			return -1;
313			}
314			for (i = 0; i < listview_count_items( lv, 0 ); i++)
315			listview_add_sub_item (lv, i, 2, "");
316			listview_add_sub_item (lv, idx, 2, "x");
317			listview_get_item_text (lv, idx, 0, buf, sizeof (buf)-1);
318			set_reg_entry_keyserver ("Default", buf);
319			i = kserver_get_port (lv);
320			sprintf (port, "%d", i);
321			set_reg_entry_keyserver ("Default_Port", port);
322			keyserver_set_default (buf, (u16)i);
323			return 0;
324			} /* save_default_ks */
325
326
327			int
328			keyserver_list_build (listview_ctrl_t *r_lv, HWND hwnd)
329			{
330			struct listview_column_s keyserver[] = {
331			{0, 160, (char *)_("DNS Name")},
332			{1, 52, (char *)_("Protocol")},
333			{2, 46, (char *)_("Default")},
334			{3, 46, (char *)_("Port")},
335			{0, 0, NULL}
336			};
337			listview_ctrl_t lv;
338			char buf[32];
339			int j;
340
341			listview_new (&lv);
342			lv->ctrl = hwnd;
343			for (j=0; keyserver[j].fieldname; j++)
344			listview_add_column (lv, &keyserver[j]);
345			for (j = 0; j<MAX_KEYSERVERS; j++) {
346			if (!server[j].used)
347			continue;
348			listview_add_item (lv, " ");
349			listview_add_sub_item (lv, 0, 0, server[j].name);
350			switch (server[j].proto) {
351			case KSPROTO_HTTP:
352			listview_add_sub_item( lv, 0, 1, "H" ); break;
353			case KSPROTO_LDAP:
354			listview_add_sub_item( lv, 0, 1, "L" ); break;
355			case KSPROTO_FINGER:
356			listview_add_sub_item( lv, 0, 1, "F" ); break;
357			}
358			sprintf (buf, "%d", server[j].port);
359			listview_add_sub_item (lv, 0, 3, buf);
360			}
361			load_default_ks (lv);
362			if (listview_count_items (lv, 0) == 0) {
363			listview_add_item (lv, "");
364			listview_add_sub_item (lv, 0, 0, DEF_HKP_KEYSERVER);
365			listview_add_sub_item (lv, 0, 1, "H");
366			}
367			listview_set_ext_style (lv);
368			*r_lv = lv;
369			return 0;
370			}
371
372
373	twoaday	109	/* Dialog box procedure to access keyservers. */
374	werner	36	BOOL CALLBACK
375			keyserver_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
376			{
377			static listview_ctrl_t lv = NULL;
378			static int lv_idx = 0;
379	twoaday	115	static struct genkey_s *key;
380			keyserver_ctx ksc;
381			char kserver[128], pattern[128];
382			char proto[16];
383	werner	36	int rc, proto_nr = 0;
384
385	twoaday	115	switch (msg) {
386	werner	36	case WM_INITDIALOG:
387	twoaday	115	if (lparam != 0)
388			key = (struct genkey_s*)lparam;
389	werner	36	SetWindowText (dlg, _("Keyserver Access"));
390			SetDlgItemText (dlg, IDC_KEYSERVER_RECV, _("&Receive"));
391			SetDlgItemText (dlg, IDC_KEYSERVER_SEND,
392			_("Send key (default is receiving)"));
393			SetDlgItemText (dlg, IDC_KEYSERVER_INFO,
394			_("Please enter the key ID or email address you search for"));
395			SetDlgItemText (dlg, IDC_KEYSERVER_INDEX, _("&Search"));
396			SetDlgItemText (dlg, IDC_KEYSERVER_PROXSETT, _("C&hange"));
397			SetDlgItemText (dlg, IDC_KEYSERVER_DEFAULT, _("Set &default"));
398	twoaday	101	SetDlgItemText (dlg, IDCANCEL, _("&Cancel"));
399
400	werner	36	set_proxy (dlg);
401			keyserver_list_build (&lv, GetDlgItem (dlg, IDC_KEYSERVER_LIST));
402			center_window (dlg, NULL);
403			SetForegroundWindow (dlg);
404			return TRUE;
405
406			case WM_NOTIFY:
407			NMHDR *notify;
408			notify = (NMHDR *)lparam;
409	twoaday	115	if (notify && notify->code == NM_CLICK
410			&& notify->idFrom == IDC_KEYSERVER_LIST)
411			lv_idx = listview_get_curr_pos (lv);
412	werner	36	return TRUE;
413
414			case WM_DESTROY:
415	twoaday	115	if (lv) {
416			listview_release (lv);
417	werner	36	lv = NULL;
418			}
419			lv_idx = 0;
420			return FALSE;
421
422			case WM_SYSCOMMAND:
423	twoaday	115	if (LOWORD (wparam) == SC_CLOSE)
424			EndDialog (dlg, TRUE);
425	werner	36	return FALSE;
426
427			case WM_COMMAND:
428	twoaday	115	switch (LOWORD (wparam)) {
429	werner	36	case IDC_KEYSERVER_PROXSETT:
430	twoaday	115	dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYSERVER_PROXY,
431			dlg, keyserver_proxy_dlg_proc, 0,
432			_("Proxy Settings"), IDS_WINPT_KEYSERVER_PROXY);
433			set_proxy (dlg);
434	werner	36	return TRUE;
435
436			case IDC_KEYSERVER_INDEX:
437			if (!lv_idx) {
438			lv_idx = kserver_get_pos (lv);
439			if (lv_idx == -1) {
440	twoaday	109	msg_box (dlg, _("Please select one of the keyservers."),
441			_("Keyserver"), MB_INFO);
442	werner	36	return FALSE;
443			}
444			}
445			listview_get_item_text (lv, lv_idx, 1, proto, sizeof (proto)-1);
446			if (*proto == 'L') {
447	twoaday	115	msg_box (dlg, _("This is not implemented yet!"),
448			_("Keyserver"), MB_ERR);
449	werner	36	return FALSE;
450			}
451			listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
452			if (!GetDlgItemText (dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
453	twoaday	115	msg_box (dlg, _("Please enter the search pattern."),
454			_("Keyserver"), MB_INFO);
455	werner	36	return FALSE;
456			}
457			ksc.name = kserver;
458			ksc.pattern = pattern;
459			ksc.port = kserver_get_port (lv);
460	twoaday	115	DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_HKPSEARCH, dlg,
461			hkpsearch_dlg_proc, (LPARAM) &ksc);
462	werner	36	return TRUE;
463
464			case IDC_KEYSERVER_RECV:
465			memset (&kserver, 0, sizeof (kserver));
466			if (!lv_idx) {
467			lv_idx = kserver_get_pos (lv);
468			if (lv_idx == -1) {
469	twoaday	109	msg_box (dlg, _("Please select one of the keyservers."),
470			_("Keyserver"), MB_INFO);
471	werner	36	return FALSE;
472			}
473			}
474			listview_get_item_text( lv, lv_idx, 1, proto, sizeof (proto)-1 );
475			proto_nr = KSPROTO_HTTP;
476	twoaday	115	if (*proto == 'L')
477	werner	36	proto_nr = KSPROTO_LDAP;
478	twoaday	115	else if (*proto == 'F')
479	werner	36	proto_nr = KSPROTO_FINGER;
480	twoaday	115	listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
481			if( !GetDlgItemText( dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
482			msg_box (dlg, _("Please enter the search pattern."),
483			_("Keyserver"), MB_INFO);
484	werner	36	return FALSE;
485			}
486	twoaday	115	if (proto_nr == KSPROTO_LDAP && strchr (pattern, '@')) {
487			msg_box (dlg, _("Only keyids are allowed."), _("LDAP Keyserver"), MB_INFO);
488	werner	36	return FALSE;
489			}
490			else if (proto_nr == KSPROTO_FINGER) {
491			if (strchr (pattern, '@') \|\| strchr (pattern, ' ')) {
492	twoaday	115	msg_box (dlg, _("Only enter the name of the user."),
493			_("FINGER Keyserver"), MB_INFO);
494	werner	36	return FALSE;
495			}
496			}
497	twoaday	115	else if (check_pattern (pattern)) {
498			msg_box (dlg, _("Only email addresses or keyids are allowed."),
499			_("HKP Keyserver"), MB_INFO);
500	werner	36	return FALSE;
501			}
502	twoaday	115	rc = hkp_recv_key2 (dlg, kserver, kserver_get_port (lv),
503			pattern, proto_nr, 0, key? &key->fpr : NULL);
504			if (!rc && key->fpr != NULL) {
505			keycache_update (0, key->fpr);
506			get_pubkey (key->fpr, &key->newkey);
507			/* we do not need the fingerprint any longer. */
508			free_if_alloc (key->fpr);
509			}
510	werner	36	return TRUE;
511
512			case IDC_KEYSERVER_DEFAULT:
513	twoaday	109	save_default_ks (lv);
514	werner	36	break;
515
516			case IDCANCEL:
517	twoaday	109	EndDialog (dlg, FALSE);
518	werner	36	return FALSE;
519			}
520			break;
521			}
522
523			return FALSE;
524	twoaday	109	}