trunk/Src/wptProxySettingsDlg.cpp

/* wptProxySettingsDlg.cpp - Dialog for the proxy settings
 *      Copyright (C) 2002-2005 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
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <ctype.h>

#include "resource.h"
#include "wptTypes.h"
#include "wptKeyserver.h"
#include "wptW32API.h"
#include "wptErrors.h"
#include "wptNLS.h"
#include "wptKeyserver.h"


static int
check_number (HWND dlg, int id)
{
    char buf[32];
    size_t i;

    GetDlgItemText (dlg, id, buf, 31);
    for (i=0; i < strlen (buf); i++) {
        if (!isdigit ((unsigned int)buf[i]))
            return -1;
    }
    return 0;
}


static int
read_proxy (HWND dlg, keyserver_proxy_ctx * ctx)
{
    char t[512];
    int ncount = 0, pos = 0;
    
    ncount = GetDlgItemText( dlg, IDC_PROXY_PWD, t, DIM (t)-1);
    if( ncount )
        ctx->pass = strdup( t );
    ncount = GetDlgItemText( dlg, IDC_PROXY_USER, t, DIM (t)-1);
    if( ncount )
        ctx->user = strdup( t );
    ncount = GetDlgItemText( dlg, IDC_PROXY_HOST, t, DIM (t)-1);
    if (ncount) {
        if (check_IP_or_hostname (t)) {
            msg_box (dlg, _("Invalid host/IP address."), _("Proxy Settings"), MB_ERR);
            return -1;
        }
        /* XXX: check prefix */
        if (!strncmp (t, "http://", 7))
            pos = 7;
        ctx->host = strdup (t + pos);
    }
    if (check_number (dlg, IDC_PROXY_PORT)) {
        msg_box (dlg, _("Invalid port number."), _("Proxy Settings"), MB_ERR);
        return -1;
    }

    ctx->port = GetDlgItemInt( dlg, IDC_PROXY_PORT, NULL, FALSE );
    if( ctx->port < 0 || ctx->port > 65535 ) {
        msg_box (dlg, _("Please select a value from 0-65535 for the port"), 
                _("Proxy Settings"), MB_INFO);
        return -1;
    }
    if( ctx->user && !ctx->pass || !ctx->user && ctx->pass ) {
        msg_box (dlg, _("When you want to use authentication, "
                        "please fill out both fields."), _("Proxy Settings"), MB_ERR);
        return -1;
    }
    if (ctx->host && !ctx->port || !ctx->host && ctx->port) {
        msg_box (dlg, _("Please enter a host name and a port."),
                 _("Proxy Settings"), MB_INFO);
        return -1;
    }
    return 0;
}


static void
enable_proxy_auth (HWND dlg, int val)
{
    int mode = val? TRUE : FALSE;
    EnableWindow (GetDlgItem (dlg, IDC_PROXY_PWD), mode);
    EnableWindow (GetDlgItem (dlg, IDC_PROXY_USER), mode);
}


/* Dialog box procedure for proxy authentication. */
BOOL CALLBACK
keyserver_proxy_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    const char *proxy = NULL, *user=NULL, *pass = NULL;
    int port = 0, auth = 0;
    
    switch (msg) {
    case WM_INITDIALOG:
        proxy = kserver_get_proxy (&port);
        if (proxy) {
            SetDlgItemText( dlg, IDC_PROXY_HOST, proxy );
            SetDlgItemInt( dlg, IDC_PROXY_PORT, port, FALSE );
            user = kserver_get_proxy_info (PROXY_USER);
            if (user) {
                SetDlgItemText (dlg, IDC_PROXY_USER, user);
                CheckDlgButton (dlg, IDC_PROXY_AUTH, BST_CHECKED);
                auth++;
            }
            pass = kserver_get_proxy_info(PROXY_PASS);
            if (pass) {
                SetDlgItemText( dlg, IDC_PROXY_PWD, pass );
                auth++;
            }
        }
        enable_proxy_auth (dlg, auth);
        center_window (dlg, NULL);
        SetDlgItemText (dlg, IDC_PROXY_AUTH, _("Server requires &authentication"));
        SetWindowText (dlg, _("Proxy Settings"));
        SetForegroundWindow (dlg);
        break;
        
    case WM_SYSCOMMAND:
        if( LOWORD (wparam) == SC_CLOSE)
            EndDialog (dlg, TRUE);
        return FALSE;
        
    case WM_COMMAND:
        switch (HIWORD (wparam)) {
        case BN_CLICKED:
            switch( (int)LOWORD( wparam ) ) {
            case IDC_PROXY_AUTH:
                if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH))
                    enable_proxy_auth (dlg, 1);
                else
                    enable_proxy_auth (dlg, 0);
                break;
            }
            break;
        }

        switch( LOWORD( wparam ) ) {
        case IDOK:
            if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH) &&
                item_get_text_length (dlg, IDC_PROXY_HOST) == 0 &&
                item_get_text_length (dlg, IDC_PROXY_USER) == 0 &&
                item_get_text_length (dlg, IDC_PROXY_PWD) == 0) {
                msg_box (dlg, _("Please fill out all required fields for authentication."),
                         _("Proxy Settings"), MB_WARN);
                return TRUE;
            }
            keyserver_proxy_ctx ctx;            
            memset (&ctx, 0, sizeof (ctx));
            if (read_proxy (dlg, &ctx)) 
                return FALSE;
            kserver_change_proxy (&ctx);
            proxy_release (&ctx);
            EndDialog (dlg, TRUE);
            return TRUE;
            
        case IDCANCEL:
            EndDialog (dlg, FALSE);
            return FALSE;
        }
        break;
    }
    
    return FALSE;
}
1	/* wptProxySettingsDlg.cpp - Dialog for the proxy settings
2	* Copyright (C) 2002-2005 Timo Schulz
3	*
4	* This file is part of WinPT.
5	*
6	* WinPT is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* WinPT is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with WinPT; if not, write to the Free Software Foundation,
18	* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19	*/
20
21	#ifdef HAVE_CONFIG_H
22	#include <config.h>
23	#endif
24
25	#include <windows.h>
26	#include <ctype.h>
27
28	#include "resource.h"
29	#include "wptTypes.h"
30	#include "wptKeyserver.h"
31	#include "wptW32API.h"
32	#include "wptErrors.h"
33	#include "wptNLS.h"
34	#include "wptKeyserver.h"
35
36
37	static int
38	check_number (HWND dlg, int id)
39	{
40	char buf[32];
41	size_t i;
42
43	GetDlgItemText (dlg, id, buf, 31);
44	for (i=0; i < strlen (buf); i++) {
45	if (!isdigit ((unsigned int)buf[i]))
46	return -1;
47	}
48	return 0;
49	}
50
51
52	static int
53	read_proxy (HWND dlg, keyserver_proxy_ctx * ctx)
54	{
55	char t[512];
56	int ncount = 0, pos = 0;
57
58	ncount = GetDlgItemText( dlg, IDC_PROXY_PWD, t, DIM (t)-1);
59	if( ncount )
60	ctx->pass = strdup( t );
61	ncount = GetDlgItemText( dlg, IDC_PROXY_USER, t, DIM (t)-1);
62	if( ncount )
63	ctx->user = strdup( t );
64	ncount = GetDlgItemText( dlg, IDC_PROXY_HOST, t, DIM (t)-1);
65	if (ncount) {
66	if (check_IP_or_hostname (t)) {
67	msg_box (dlg, _("Invalid host/IP address."), _("Proxy Settings"), MB_ERR);
68	return -1;
69	}
70	/* XXX: check prefix */
71	if (!strncmp (t, "http://", 7))
72	pos = 7;
73	ctx->host = strdup (t + pos);
74	}
75	if (check_number (dlg, IDC_PROXY_PORT)) {
76	msg_box (dlg, _("Invalid port number."), _("Proxy Settings"), MB_ERR);
77	return -1;
78	}
79
80	ctx->port = GetDlgItemInt( dlg, IDC_PROXY_PORT, NULL, FALSE );
81	if( ctx->port < 0 \|\| ctx->port > 65535 ) {
82	msg_box (dlg, _("Please select a value from 0-65535 for the port"),
83	_("Proxy Settings"), MB_INFO);
84	return -1;
85	}
86	if( ctx->user && !ctx->pass \|\| !ctx->user && ctx->pass ) {
87	msg_box (dlg, _("When you want to use authentication, "
88	"please fill out both fields."), _("Proxy Settings"), MB_ERR);
89	return -1;
90	}
91	if (ctx->host && !ctx->port \|\| !ctx->host && ctx->port) {
92	msg_box (dlg, _("Please enter a host name and a port."),
93	_("Proxy Settings"), MB_INFO);
94	return -1;
95	}
96	return 0;
97	}
98
99
100	static void
101	enable_proxy_auth (HWND dlg, int val)
102	{
103	int mode = val? TRUE : FALSE;
104	EnableWindow (GetDlgItem (dlg, IDC_PROXY_PWD), mode);
105	EnableWindow (GetDlgItem (dlg, IDC_PROXY_USER), mode);
106	}
107
108
109	/* Dialog box procedure for proxy authentication. */
110	BOOL CALLBACK
111	keyserver_proxy_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
112	{
113	const char proxy = NULL, user=NULL, *pass = NULL;
114	int port = 0, auth = 0;
115
116	switch (msg) {
117	case WM_INITDIALOG:
118	proxy = kserver_get_proxy (&port);
119	if (proxy) {
120	SetDlgItemText( dlg, IDC_PROXY_HOST, proxy );
121	SetDlgItemInt( dlg, IDC_PROXY_PORT, port, FALSE );
122	user = kserver_get_proxy_info (PROXY_USER);
123	if (user) {
124	SetDlgItemText (dlg, IDC_PROXY_USER, user);
125	CheckDlgButton (dlg, IDC_PROXY_AUTH, BST_CHECKED);
126	auth++;
127	}
128	pass = kserver_get_proxy_info(PROXY_PASS);
129	if (pass) {
130	SetDlgItemText( dlg, IDC_PROXY_PWD, pass );
131	auth++;
132	}
133	}
134	enable_proxy_auth (dlg, auth);
135	center_window (dlg, NULL);
136	SetDlgItemText (dlg, IDC_PROXY_AUTH, _("Server requires &authentication"));
137	SetWindowText (dlg, _("Proxy Settings"));
138	SetForegroundWindow (dlg);
139	break;
140
141	case WM_SYSCOMMAND:
142	if( LOWORD (wparam) == SC_CLOSE)
143	EndDialog (dlg, TRUE);
144	return FALSE;
145
146	case WM_COMMAND:
147	switch (HIWORD (wparam)) {
148	case BN_CLICKED:
149	switch( (int)LOWORD( wparam ) ) {
150	case IDC_PROXY_AUTH:
151	if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH))
152	enable_proxy_auth (dlg, 1);
153	else
154	enable_proxy_auth (dlg, 0);
155	break;
156	}
157	break;
158	}
159
160	switch( LOWORD( wparam ) ) {
161	case IDOK:
162	if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH) &&
163	item_get_text_length (dlg, IDC_PROXY_HOST) == 0 &&
164	item_get_text_length (dlg, IDC_PROXY_USER) == 0 &&
165	item_get_text_length (dlg, IDC_PROXY_PWD) == 0) {
166	msg_box (dlg, _("Please fill out all required fields for authentication."),
167	_("Proxy Settings"), MB_WARN);
168	return TRUE;
169	}
170	keyserver_proxy_ctx ctx;
171	memset (&ctx, 0, sizeof (ctx));
172	if (read_proxy (dlg, &ctx))
173	return FALSE;
174	kserver_change_proxy (&ctx);
175	proxy_release (&ctx);
176	EndDialog (dlg, TRUE);
177	return TRUE;
178
179	case IDCANCEL:
180	EndDialog (dlg, FALSE);
181	return FALSE;
182	}
183	break;
184	}
185
186	return FALSE;
187	}