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
 */
#include <windows.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 (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;
} /* read_proxy */


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);
}


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;
    int rc = 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);
        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 FALSE;
            }
            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;
} /* keyserver_proxy_dlg_proc */
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	#include <windows.h>
21
22	#include "../resource.h"
23	#include "wptTypes.h"
24	#include "wptKeyserver.h"
25	#include "wptW32API.h"
26	#include "wptErrors.h"
27	#include "wptNLS.h"
28	#include "wptKeyserver.h"
29
30
31	static int
32	check_number (HWND dlg, int id)
33	{
34	char buf[32];
35	size_t i;
36
37	GetDlgItemText (dlg, id, buf, 31);
38	for (i=0; i < strlen (buf); i++) {
39	if (!isdigit (buf[i]))
40	return -1;
41	}
42	return 0;
43	}
44
45
46	static int
47	read_proxy (HWND dlg, keyserver_proxy_ctx * ctx)
48	{
49	char t[512];
50	int ncount = 0, pos = 0;
51
52	ncount = GetDlgItemText( dlg, IDC_PROXY_PWD, t, DIM (t)-1);
53	if( ncount )
54	ctx->pass = strdup( t );
55	ncount = GetDlgItemText( dlg, IDC_PROXY_USER, t, DIM (t)-1);
56	if( ncount )
57	ctx->user = strdup( t );
58	ncount = GetDlgItemText( dlg, IDC_PROXY_HOST, t, DIM (t)-1);
59	if (ncount) {
60	if (check_IP_or_hostname (t)) {
61	msg_box (dlg, _("Invalid host/IP address."), _("Proxy Settings"), MB_ERR);
62	return -1;
63	}
64	/* XXX: check prefix */
65	if (!strncmp (t, "http://", 7))
66	pos = 7;
67	ctx->host = strdup (t + pos);
68	}
69	if (check_number (dlg, IDC_PROXY_PORT)) {
70	msg_box (dlg, _("Invalid port number."), _("Proxy Settings"), MB_ERR);
71	return -1;
72	}
73
74	ctx->port = GetDlgItemInt( dlg, IDC_PROXY_PORT, NULL, FALSE );
75	if( ctx->port < 0 \|\| ctx->port > 65535 ) {
76	msg_box( dlg, _("Please select a value from 0-65535 for the port"), _("Proxy Settings"), MB_INFO );
77	return -1;
78	}
79	if( ctx->user && !ctx->pass \|\| !ctx->user && ctx->pass ) {
80	msg_box( dlg, _("When you want to use authentication, "
81	"please fill out both fields."), _("Proxy Settings"), MB_ERR );
82	return -1;
83	}
84	if( ctx->host && !ctx->port \|\| !ctx->host && ctx->port ) {
85	msg_box( dlg, _("Please enter a host name and a port."), _("Proxy Settings"), MB_INFO );
86	return -1;
87	}
88	return 0;
89	} /* read_proxy */
90
91
92	static void
93	enable_proxy_auth (HWND dlg, int val)
94	{
95	int mode = val? TRUE : FALSE;
96	EnableWindow (GetDlgItem (dlg, IDC_PROXY_PWD), mode);
97	EnableWindow (GetDlgItem (dlg, IDC_PROXY_USER), mode);
98	}
99
100
101	BOOL CALLBACK
102	keyserver_proxy_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
103	{
104	const char proxy = NULL, user=NULL, *pass = NULL;
105	int port = 0, auth = 0;
106	int rc = 0;
107
108	switch (msg) {
109	case WM_INITDIALOG:
110	proxy = kserver_get_proxy (&port);
111	if (proxy) {
112	SetDlgItemText( dlg, IDC_PROXY_HOST, proxy );
113	SetDlgItemInt( dlg, IDC_PROXY_PORT, port, FALSE );
114	user = kserver_get_proxy_info( PROXY_USER );
115	if (user) {
116	SetDlgItemText (dlg, IDC_PROXY_USER, user);
117	CheckDlgButton (dlg, IDC_PROXY_AUTH, BST_CHECKED);
118	auth++;
119	}
120	pass = kserver_get_proxy_info(PROXY_PASS);
121	if (pass) {
122	SetDlgItemText( dlg, IDC_PROXY_PWD, pass );
123	auth++;
124	}
125	}
126	enable_proxy_auth (dlg, auth);
127	center_window (dlg);
128	SetForegroundWindow (dlg);
129	break;
130
131	case WM_SYSCOMMAND:
132	if( LOWORD (wparam) == SC_CLOSE)
133	EndDialog (dlg, TRUE);
134	return FALSE;
135
136	case WM_COMMAND:
137	switch (HIWORD (wparam)) {
138	case BN_CLICKED:
139	switch( (int)LOWORD( wparam ) ) {
140	case IDC_PROXY_AUTH:
141	if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH))
142	enable_proxy_auth (dlg, 1);
143	else
144	enable_proxy_auth (dlg, 0);
145	break;
146	}
147	break;
148	}
149
150	switch( LOWORD( wparam ) ) {
151	case IDOK:
152	if (IsDlgButtonChecked (dlg, IDC_PROXY_AUTH) &&
153	item_get_text_length (dlg, IDC_PROXY_HOST) == 0 &&
154	item_get_text_length (dlg, IDC_PROXY_USER) == 0 &&
155	item_get_text_length (dlg, IDC_PROXY_PWD) == 0) {
156	msg_box (dlg, _("Please fill out all required fields for authentication."),
157	_("Proxy Settings"), MB_WARN);
158	return FALSE;
159	}
160	keyserver_proxy_ctx ctx;
161	memset (&ctx, 0, sizeof (ctx));
162	if (read_proxy (dlg, &ctx))
163	return FALSE;
164	kserver_change_proxy (&ctx);
165	proxy_release (&ctx);
166	EndDialog (dlg, TRUE);
167	return TRUE;
168
169	case IDCANCEL:
170	EndDialog (dlg, FALSE);
171	return FALSE;
172	}
173	break;
174	}
175
176	return FALSE;
177	} /* keyserver_proxy_dlg_proc */