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"
#include "wptUTF8.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;
}


/* Show all received keys from the keyserver. */
static void
show_imported_keys (gpgme_import_result_t res)
{
    gpgme_import_status_t t;
    gpgme_key_t key;
    gpgme_data_t msg;
    gpgme_ctx_t ctx;
    gpgme_error_t err;
    const char *s;
    char *p, *uid;
    size_t n=0;

    if (!res)
        return;

    err = gpgme_data_new (&msg);
    if (err)
        BUG (NULL);
    err = gpgme_new (&ctx);
    if (err)
        BUG (NULL);
    if (res->considered > 1) {
        s = _("WARNING: multiple keys matched request.\n\n");
        gpgme_data_write (msg, s, strlen (s));
    }

    if (res->unchanged == res->considered)
        s = _("Key(s) successfully received but nothing was changed.");
    else
        s = _("Key(s) sucessfully received and imported.");
    gpgme_data_write (msg, s, strlen (s));
    gpgme_data_write (msg, "\n\n", 2);

    for (t=res->imports; t; t = t->next) {
        if (!gpgme_get_key (ctx, t->fpr, &key, 0)) {
            s = uid = utf8_to_wincp2 (key->uids->uid);
            gpgme_data_write (msg, s, strlen (s));
            gpgme_data_write (msg, "\n", 1);
            gpgme_key_release (key);
            free (uid);
        }
    }
    gpgme_data_write (msg, "\0", 1);
    p = gpgme_data_release_and_get_mem (msg, &n);
    if (p != NULL) {
        msg_box (NULL, p, _("Imported Keys"), MB_INFO);
        gpgme_free (p);
    }
    gpgme_release (ctx);
}


/* Receive a key from the keyserver @kserver (port @port)
   with the pattern @pattern.
   Return value: 0 on success. */
static int
keyserver_recv_key (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;
    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 (import_res && 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)) {
        show_imported_keys (import_res);
        if (import_res && import_res->unchanged == import_res->considered) {
            rc = WPTERR_GENERAL; /* no keys updated. */
            goto leave;
        }
    }

leave:
    free_if_alloc (rawkey);
    gpgme_release (ctx);
    gpgme_data_release (keydata);

    return rc;
}


/* Alias for keyserver_recv_key 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 keyserver_recv_key (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, _("&Close"));

        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, NULL,
                              _("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 = keyserver_recv_key (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	twoaday	129	#include "wptUTF8.h"
42	werner	36
43
44			#define MAX_KEYSIZE 70000
45
46	twoaday	109	char* get_reg_entry_keyserver (const char *);
47	werner	36	int set_reg_entry_keyserver (const char , const char );
48
49
50	twoaday	109	/* Print out keyserver error and a possible Winsock error. */
51	werner	36	static void
52	twoaday	109	hkp_err_box (HWND dlg, const char *host, WORD port, int rc)
53	werner	36	{
54	twoaday	109	const char *err = kserver_strerror ();
55	werner	36
56	twoaday	109	log_box (_("Keyserver"), MB_ERR, "%s:%d: %s",
57			host, port, winpt_strerror (rc));
58	werner	36	if (err)
59			msg_box (dlg, err, wsock_strerror (), MB_ERR);
60	twoaday	109	}
61	werner	36
62
63	twoaday	109	/* Send the extracted key with keyid @pattern to the
64			keyserver @kserver (port @port).
65			Return value: 0 on success. */
66	werner	36	int
67	twoaday	109	hkp_send_key (HWND dlg, const char kserver, WORD port, const char pattern)
68	werner	36	{
69	twoaday	109	gpgme_ctx_t ctx;
70	werner	36	gpgme_data_t keydata;
71			gpgme_error_t ec;
72	twoaday	109	char *rawkey = NULL;
73			char msg[384];
74	werner	36	size_t n;
75
76	twoaday	109	ec = gpgme_new (&ctx);
77			if (ec)
78			BUG (NULL);
79			gpgme_set_armor (ctx, 1);
80			ec = gpgme_data_new (&keydata);
81			if (ec)
82			BUG (NULL);
83			ec = gpgme_op_export (ctx, pattern, 0, keydata);
84			if (ec) {
85			msg_box (dlg, gpgme_strerror (ec), _("Export"), MB_ERR);
86	werner	36	goto leave;
87			}
88			rawkey = gpgme_data_release_and_get_mem (keydata, &n);
89	twoaday	109	ec = kserver_sendkey (kserver, port, rawkey, n);
90			if (ec) {
91			hkp_err_box (dlg, kserver, port, ec);
92	werner	36	goto leave;
93			}
94
95			_snprintf (msg, sizeof (msg) -1, _("Key '%s' successfully sent"), pattern);
96			status_box (dlg, msg, _("GnuPG status"));
97
98			leave:
99	twoaday	109	gpgme_release (ctx);
100	werner	36	if (rawkey)
101			gpgme_free (rawkey);
102	twoaday	109	return ec? -1 : 0;
103			}
104	werner	36
105
106	twoaday	117
107	twoaday	118	/* Show all received keys from the keyserver. */
108	twoaday	117	static void
109			show_imported_keys (gpgme_import_result_t res)
110			{
111			gpgme_import_status_t t;
112			gpgme_key_t key;
113			gpgme_data_t msg;
114			gpgme_ctx_t ctx;
115			gpgme_error_t err;
116			const char *s;
117	twoaday	129	char p, uid;
118	twoaday	117	size_t n=0;
119
120	twoaday	118	if (!res)
121			return;
122
123	twoaday	117	err = gpgme_data_new (&msg);
124			if (err)
125			BUG (NULL);
126			err = gpgme_new (&ctx);
127			if (err)
128			BUG (NULL);
129	twoaday	118	if (res->considered > 1) {
130			s = _("WARNING: multiple keys matched request.\n\n");
131			gpgme_data_write (msg, s, strlen (s));
132			}
133
134			if (res->unchanged == res->considered)
135			s = _("Key(s) successfully received but nothing was changed.");
136			else
137			s = _("Key(s) sucessfully received and imported.");
138	twoaday	117	gpgme_data_write (msg, s, strlen (s));
139	twoaday	118	gpgme_data_write (msg, "\n\n", 2);
140
141	twoaday	117	for (t=res->imports; t; t = t->next) {
142			if (!gpgme_get_key (ctx, t->fpr, &key, 0)) {
143	twoaday	129	s = uid = utf8_to_wincp2 (key->uids->uid);
144	twoaday	117	gpgme_data_write (msg, s, strlen (s));
145			gpgme_data_write (msg, "\n", 1);
146			gpgme_key_release (key);
147	twoaday	129	free (uid);
148	twoaday	117	}
149			}
150			gpgme_data_write (msg, "\0", 1);
151			p = gpgme_data_release_and_get_mem (msg, &n);
152			if (p != NULL) {
153			msg_box (NULL, p, _("Imported Keys"), MB_INFO);
154			gpgme_free (p);
155			}
156			gpgme_release (ctx);
157			}
158
159
160	twoaday	109	/* Receive a key from the keyserver @kserver (port @port)
161			with the pattern @pattern.
162			Return value: 0 on success. */
163	twoaday	133	static int
164			keyserver_recv_key (HWND dlg, const char *kserver, WORD port,
165			const char *pattern, int proto, int flags,
166			char **r_fpr)
167	werner	36	{
168			gpgme_ctx_t ctx;
169			gpgme_data_t keydata;
170			gpgme_error_t ec;
171	twoaday	115	gpgme_import_result_t import_res = NULL;
172	twoaday	109	char *rawkey = NULL;
173	twoaday	115	int rc;
174	werner	36
175	twoaday	115	/* XXX: implement dynamic buffers. */
176	werner	36	rawkey = new char[MAX_KEYSIZE];
177			if (!rawkey)
178			BUG (0);
179			memset (rawkey, 0, MAX_KEYSIZE);
180	twoaday	109	if (proto == KSPROTO_LDAP) {
181			rc = ldap_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
182			if (rc) {
183			msg_box (dlg, _("LDAP key import failed.\n"
184	werner	36	"Please make sure you have an online connection"
185			" and gpgkeys_ldap.exe is installed"),
186	twoaday	109	_("Keyserver"), MB_ERR);
187			free_if_alloc (rawkey);
188	werner	36	return rc;
189			}
190			}
191			else if (proto == KSPROTO_FINGER) {
192			rc = finger_recvkey (kserver, pattern, rawkey, MAX_KEYSIZE-1);
193			if (rc) {
194	twoaday	109	log_box (_("Keyserver"), MB_ERR,
195			_("Finger key import failed: %s\n"), winpt_strerror (rc));
196	werner	36	free_if_alloc (rawkey);
197			return rc;
198			}
199			}
200	twoaday	109	else if ((rc = kserver_recvkey (kserver, port,
201			kserver_check_keyid (pattern),
202			rawkey, MAX_KEYSIZE-1))) {
203	werner	36	hkp_err_box (dlg, kserver, port, rc);
204			free_if_alloc (rawkey);
205			return rc;
206			}
207			else {
208	twoaday	109	if (!strstr (rawkey, "BEGIN PGP PUBLIC KEY BLOCK")) {
209			msg_box (dlg, _("This is not a valid OpenPGP key."),
210			_("Keyserver"), MB_ERR);
211	werner	36	goto leave;
212			}
213	twoaday	109	ec = gpgme_new (&ctx);
214			if (ec)
215			BUG (NULL);
216			gpgme_data_new_from_mem (&keydata, rawkey, strlen (rawkey), 1);
217			rc = gpgme_op_import (ctx, keydata);
218			if (rc) {
219			msg_box (dlg, gpgme_strerror ((gpgme_error_t)rc), _("Import"), MB_ERR);
220	werner	36	goto leave;
221			}
222			import_res = gpgme_op_import_result (ctx);
223	twoaday	117	if (import_res && r_fpr)
224	twoaday	115	*r_fpr = m_strdup (import_res->imports->fpr);
225	werner	36	}
226
227			/* if we use the refresh mode, a lot of keys will be fetched and thus only
228			a summarize at the end is presented and not for each key. */
229			if (!(flags & KM_KS_REFRESH)) {
230	twoaday	118	show_imported_keys (import_res);
231	twoaday	117	if (import_res && import_res->unchanged == import_res->considered) {
232	twoaday	118	rc = WPTERR_GENERAL; /* no keys updated. */
233	werner	36	goto leave;
234			}
235			}
236	twoaday	118
237	werner	36	leave:
238			free_if_alloc (rawkey);
239			gpgme_release (ctx);
240			gpgme_data_release (keydata);
241
242			return rc;
243	twoaday	109	}
244	werner	36
245
246	twoaday	133	/* Alias for keyserver_recv_key but without the ability to return
247	twoaday	115	the fingerprint of the key. */
248			int
249			hkp_recv_key (HWND dlg, const char *kserver, WORD port,
250			const char *pattern, int proto, int flags)
251			{
252	twoaday	133	return keyserver_recv_key (dlg, kserver, port, pattern,
253			proto, flags, NULL);
254	twoaday	115	}
255
256
257	twoaday	109	#define my_iskeychar(a) (((a) >='0' && (a) <= '9' ) \|\| ((a) >= 'A' && (a) <= 'F'))
258	werner	36
259			static int
260	twoaday	109	check_pattern (const char *pattern)
261	werner	36	{
262			int rc = 1;
263
264			/* Whitespace are not allowed! */
265	twoaday	109	if (strchr( pattern, ' ')) {
266	werner	36	rc = WPTERR_GENERAL;
267			goto leave;
268			}
269
270	twoaday	109	if (((strstr (pattern, "0x")) && (strlen (pattern) == 10)) \|\|
271			(strstr(pattern, "0x")) && (strlen (pattern) == 18)) {
272			rc = 0; /* Either long or short keyid */
273	werner	36	goto leave;
274			}
275
276			if( (( my_iskeychar( pattern[0] )) && ( strlen( pattern ) == 8 ) )
277			\|\| (my_iskeychar(pattern[0])) && ( strlen( pattern ) == 16) ) {
278			rc = 0;
279			goto leave;
280			}
281
282			if( ( strchr( pattern, '@' ) ) && ( strlen( pattern ) >= 3 ) ) {
283			rc = 0;
284			goto leave;
285			}
286
287			leave:
288			return rc;
289			} /* check_pattern */
290
291
292			static void
293			set_proxy (HWND dlg)
294			{
295	twoaday	109	char proxy[256];
296	werner	36	int port = 0;
297
298			strcpy (proxy, "HTTP proxy: ");
299			if (kserver_get_proxy (&port)) {
300	twoaday	109	char t[128];
301	werner	36	const char *http = kserver_get_proxy (&port);
302			_snprintf (t, sizeof (t) - 1, "\"%s:%d\"", http, port);
303			strcat (proxy, t);
304			}
305			else
306	twoaday	109	strcat (proxy, "none");
307			SetDlgItemText (dlg, IDC_KEYSERVER_PROXY, proxy);
308	werner	36	} /* set_proxy */
309
310
311			static int inline
312			kserver_get_pos (listview_ctrl_t lv)
313			{
314			if (listview_count_items (lv, 0) == 1)
315			return 0;
316			return listview_get_curr_pos (lv);
317			}
318
319
320			static u16 inline
321			kserver_get_port (listview_ctrl_t lv)
322			{
323			char buf[16];
324
325			listview_get_item_text (lv, kserver_get_pos (lv), 3, buf, 15);
326			return (u16)strtoul (buf, NULL, 10);
327			}
328
329			static void
330			load_default_ks (listview_ctrl_t lv)
331			{
332			char * p, buf[192];
333			int i;
334
335			p = get_reg_entry_keyserver ("Default");
336			if (!p)
337			return;
338			for( i = 0; i < listview_count_items( lv, 0 ); i++ ) {
339			listview_get_item_text( lv, i, 0, buf, sizeof (buf)-1 );
340			if( !strncmp( p, buf, strlen( p ) ) ) {
341			listview_add_sub_item( lv, i, 2, "x" );
342			break;
343			}
344			}
345			free_if_alloc (p);
346			} /* load_default_ks */
347
348
349			static int
350			save_default_ks (listview_ctrl_t lv)
351			{
352			char buf[192], port[32];
353			int idx, i;
354
355			idx = listview_get_curr_pos( lv );
356			if( idx == -1 ) {
357			msg_box( NULL, _("Please select one of the servers."), _("Keyserver"), MB_ERR );
358			return -1;
359			}
360			listview_get_item_text( lv, idx, 1, buf, sizeof (buf)-1 );
361			if( *buf != 'H' ) {
362			msg_box( NULL, _("Only HTTP keyserver can be used."), _("Keyserver"), MB_ERR );
363			return -1;
364			}
365			for (i = 0; i < listview_count_items( lv, 0 ); i++)
366			listview_add_sub_item (lv, i, 2, "");
367			listview_add_sub_item (lv, idx, 2, "x");
368			listview_get_item_text (lv, idx, 0, buf, sizeof (buf)-1);
369			set_reg_entry_keyserver ("Default", buf);
370			i = kserver_get_port (lv);
371			sprintf (port, "%d", i);
372			set_reg_entry_keyserver ("Default_Port", port);
373			keyserver_set_default (buf, (u16)i);
374			return 0;
375			} /* save_default_ks */
376
377
378			int
379			keyserver_list_build (listview_ctrl_t *r_lv, HWND hwnd)
380			{
381			struct listview_column_s keyserver[] = {
382			{0, 160, (char *)_("DNS Name")},
383			{1, 52, (char *)_("Protocol")},
384			{2, 46, (char *)_("Default")},
385			{3, 46, (char *)_("Port")},
386			{0, 0, NULL}
387			};
388			listview_ctrl_t lv;
389			char buf[32];
390			int j;
391
392			listview_new (&lv);
393			lv->ctrl = hwnd;
394			for (j=0; keyserver[j].fieldname; j++)
395			listview_add_column (lv, &keyserver[j]);
396			for (j = 0; j<MAX_KEYSERVERS; j++) {
397			if (!server[j].used)
398			continue;
399			listview_add_item (lv, " ");
400			listview_add_sub_item (lv, 0, 0, server[j].name);
401			switch (server[j].proto) {
402			case KSPROTO_HTTP:
403			listview_add_sub_item( lv, 0, 1, "H" ); break;
404			case KSPROTO_LDAP:
405			listview_add_sub_item( lv, 0, 1, "L" ); break;
406			case KSPROTO_FINGER:
407			listview_add_sub_item( lv, 0, 1, "F" ); break;
408			}
409			sprintf (buf, "%d", server[j].port);
410			listview_add_sub_item (lv, 0, 3, buf);
411			}
412			load_default_ks (lv);
413			if (listview_count_items (lv, 0) == 0) {
414			listview_add_item (lv, "");
415			listview_add_sub_item (lv, 0, 0, DEF_HKP_KEYSERVER);
416			listview_add_sub_item (lv, 0, 1, "H");
417			}
418			listview_set_ext_style (lv);
419			*r_lv = lv;
420			return 0;
421			}
422
423
424	twoaday	109	/* Dialog box procedure to access keyservers. */
425	werner	36	BOOL CALLBACK
426			keyserver_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
427			{
428			static listview_ctrl_t lv = NULL;
429			static int lv_idx = 0;
430	twoaday	115	static struct genkey_s *key;
431			keyserver_ctx ksc;
432			char kserver[128], pattern[128];
433			char proto[16];
434	werner	36	int rc, proto_nr = 0;
435
436	twoaday	115	switch (msg) {
437	werner	36	case WM_INITDIALOG:
438	twoaday	115	if (lparam != 0)
439			key = (struct genkey_s*)lparam;
440	werner	36	SetWindowText (dlg, _("Keyserver Access"));
441			SetDlgItemText (dlg, IDC_KEYSERVER_RECV, _("&Receive"));
442			SetDlgItemText (dlg, IDC_KEYSERVER_SEND,
443			_("Send key (default is receiving)"));
444			SetDlgItemText (dlg, IDC_KEYSERVER_INFO,
445			_("Please enter the key ID or email address you search for"));
446			SetDlgItemText (dlg, IDC_KEYSERVER_INDEX, _("&Search"));
447			SetDlgItemText (dlg, IDC_KEYSERVER_PROXSETT, _("C&hange"));
448			SetDlgItemText (dlg, IDC_KEYSERVER_DEFAULT, _("Set &default"));
449	twoaday	117	SetDlgItemText (dlg, IDCANCEL, _("&Close"));
450	twoaday	101
451	werner	36	set_proxy (dlg);
452			keyserver_list_build (&lv, GetDlgItem (dlg, IDC_KEYSERVER_LIST));
453			center_window (dlg, NULL);
454			SetForegroundWindow (dlg);
455			return TRUE;
456
457			case WM_NOTIFY:
458			NMHDR *notify;
459			notify = (NMHDR *)lparam;
460	twoaday	115	if (notify && notify->code == NM_CLICK
461			&& notify->idFrom == IDC_KEYSERVER_LIST)
462			lv_idx = listview_get_curr_pos (lv);
463	werner	36	return TRUE;
464
465			case WM_DESTROY:
466	twoaday	115	if (lv) {
467			listview_release (lv);
468	werner	36	lv = NULL;
469			}
470			lv_idx = 0;
471			return FALSE;
472
473			case WM_SYSCOMMAND:
474	twoaday	115	if (LOWORD (wparam) == SC_CLOSE)
475			EndDialog (dlg, TRUE);
476	werner	36	return FALSE;
477
478			case WM_COMMAND:
479	twoaday	115	switch (LOWORD (wparam)) {
480	werner	36	case IDC_KEYSERVER_PROXSETT:
481	twoaday	115	dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYSERVER_PROXY,
482	twoaday	117	dlg, keyserver_proxy_dlg_proc, NULL,
483	twoaday	115	_("Proxy Settings"), IDS_WINPT_KEYSERVER_PROXY);
484			set_proxy (dlg);
485	werner	36	return TRUE;
486
487			case IDC_KEYSERVER_INDEX:
488			if (!lv_idx) {
489			lv_idx = kserver_get_pos (lv);
490			if (lv_idx == -1) {
491	twoaday	109	msg_box (dlg, _("Please select one of the keyservers."),
492			_("Keyserver"), MB_INFO);
493	werner	36	return FALSE;
494			}
495			}
496			listview_get_item_text (lv, lv_idx, 1, proto, sizeof (proto)-1);
497			if (*proto == 'L') {
498	twoaday	115	msg_box (dlg, _("This is not implemented yet!"),
499			_("Keyserver"), MB_ERR);
500	werner	36	return FALSE;
501			}
502			listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
503			if (!GetDlgItemText (dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
504	twoaday	115	msg_box (dlg, _("Please enter the search pattern."),
505			_("Keyserver"), MB_INFO);
506	werner	36	return FALSE;
507			}
508			ksc.name = kserver;
509			ksc.pattern = pattern;
510			ksc.port = kserver_get_port (lv);
511	twoaday	115	DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_HKPSEARCH, dlg,
512			hkpsearch_dlg_proc, (LPARAM) &ksc);
513	werner	36	return TRUE;
514
515			case IDC_KEYSERVER_RECV:
516			memset (&kserver, 0, sizeof (kserver));
517			if (!lv_idx) {
518			lv_idx = kserver_get_pos (lv);
519			if (lv_idx == -1) {
520	twoaday	109	msg_box (dlg, _("Please select one of the keyservers."),
521			_("Keyserver"), MB_INFO);
522	werner	36	return FALSE;
523			}
524			}
525			listview_get_item_text( lv, lv_idx, 1, proto, sizeof (proto)-1 );
526			proto_nr = KSPROTO_HTTP;
527	twoaday	115	if (*proto == 'L')
528	werner	36	proto_nr = KSPROTO_LDAP;
529	twoaday	115	else if (*proto == 'F')
530	werner	36	proto_nr = KSPROTO_FINGER;
531	twoaday	115	listview_get_item_text (lv, lv_idx, 0, kserver, sizeof (kserver)-1);
532			if( !GetDlgItemText( dlg, IDC_KEYSERVER_SEARCH, pattern, sizeof (pattern)-1)) {
533			msg_box (dlg, _("Please enter the search pattern."),
534			_("Keyserver"), MB_INFO);
535	werner	36	return FALSE;
536			}
537	twoaday	115	if (proto_nr == KSPROTO_LDAP && strchr (pattern, '@')) {
538			msg_box (dlg, _("Only keyids are allowed."), _("LDAP Keyserver"), MB_INFO);
539	werner	36	return FALSE;
540			}
541			else if (proto_nr == KSPROTO_FINGER) {
542			if (strchr (pattern, '@') \|\| strchr (pattern, ' ')) {
543	twoaday	115	msg_box (dlg, _("Only enter the name of the user."),
544			_("FINGER Keyserver"), MB_INFO);
545	werner	36	return FALSE;
546			}
547			}
548	twoaday	115	else if (check_pattern (pattern)) {
549			msg_box (dlg, _("Only email addresses or keyids are allowed."),
550			_("HKP Keyserver"), MB_INFO);
551	werner	36	return FALSE;
552			}
553	twoaday	133	rc = keyserver_recv_key (dlg, kserver, kserver_get_port (lv),
554			pattern, proto_nr, 0,
555			key? &key->fpr : NULL);
556	twoaday	115	if (!rc && key->fpr != NULL) {
557			keycache_update (0, key->fpr);
558			get_pubkey (key->fpr, &key->newkey);
559			/* we do not need the fingerprint any longer. */
560			free_if_alloc (key->fpr);
561			}
562	werner	36	return TRUE;
563
564			case IDC_KEYSERVER_DEFAULT:
565	twoaday	109	save_default_ks (lv);
566	werner	36	break;
567
568			case IDCANCEL:
569	twoaday	109	EndDialog (dlg, FALSE);
570	werner	36	return FALSE;
571			}
572			break;
573			}
574
575			return FALSE;
576	twoaday	109	}