trunk/Src/wptMAPI.cpp

/* wptMAPI.cpp
 *      Copyright (C) 2003, 2004 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 <stdio.h>
#include <mapi.h>

extern HINSTANCE glob_hinst;

#include "../resource.h"
#include "wptTypes.h"
#include "wptErrors.h"
#include "wptW32API.h"
#include "wptGPG.h"


static LPMAPILOGON          mapi_logon = NULL; 
static LPMAPILOGOFF         mapi_logoff = NULL;     
static LPMAPISENDDOCUMENTS  mapi_send_documents = NULL; 
static LPMAPISENDMAIL       mapi_send_mail = NULL;
static HINSTANCE            hlib = NULL;
static int                  init = 0;

#define load_one_fnc(cast, hlib, name) (cast)GetProcAddress ((hlib), name)


int
mapi_init (void)
{
    if (init)
        return 0;

    hlib = LoadLibrary ("MAPI32.DLL");
    if (!hlib)
        return -1;

    mapi_logon = load_one_fnc (LPMAPILOGON, hlib, "MAPILogon");
    mapi_logoff = load_one_fnc (LPMAPILOGOFF, hlib, "MAPILogoff");
    mapi_send_documents = load_one_fnc (LPMAPISENDDOCUMENTS, hlib, "MAPISendDocuments");
    mapi_send_mail = load_one_fnc (LPMAPISENDMAIL, hlib, "MAPISendMail");
    if (!mapi_logon || !mapi_logoff || !mapi_send_documents || !mapi_send_mail)
        return -1;
    init = 1;

    return 0;
} /* mapi_init */


void
mapi_deinit (void)
{
    if (hlib) {
        FreeLibrary (hlib);
        hlib = NULL;
        init = 0;
    }
} /* mapi_deinit */


int
mapi_send_ascfile (char * ascfile)
{
    LHANDLE hd;
    int rc;

    if (!init)
        return 0;

    rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
    if (rc != SUCCESS_SUCCESS) {
        MessageBox (NULL, _("MAPI Login failed."), "MAPI", MB_ICONWARNING|MB_OK);
        goto fail;
    }
    rc = mapi_send_documents (0, ";", ascfile, NULL, 0);
    if (rc == MAPI_E_USER_ABORT)
        rc = SUCCESS_SUCCESS;
    if (rc != SUCCESS_SUCCESS)
        MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ICONERROR|MB_OK);

fail:
    mapi_logoff (hd, 0, 0, 0);
    return rc;
}


int
mapi_send_pubkey (const char * keyid, char * keyfile)
{
    LHANDLE hd;
    const char * fmt;
    char * keyinf = NULL;
    int rc;

    if (!init)
        return 0;

    fmt = _("GPG Public Key of %s");
    keyinf = new char[strlen (fmt) + strlen (keyid) + 2];
    if (!keyinf)
        BUG (0);
    sprintf (keyinf, fmt, keyid);
    rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
    if (rc != SUCCESS_SUCCESS) {
        MessageBox (NULL, _("MAPI Login failed."), "MAPI", MB_ICONWARNING|MB_OK);
        goto fail;
    }
    rc = mapi_send_documents (0, ";", keyfile, keyinf, 0);
    if (rc == MAPI_E_USER_ABORT)
        rc = SUCCESS_SUCCESS;
    if (rc != SUCCESS_SUCCESS)
        MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ICONERROR|MB_OK);

fail:
    mapi_logoff (hd, 0, 0, 0);
    free_if_alloc (keyinf);
    return rc;
} /* mapi_send_pubkey */


static void
free_mapi_msg (MapiMessage * msg)
{
    if (!msg)
        return;
    safe_free (msg->lpszSubject);
    safe_free (msg->lpszNoteText);
    safe_free (msg);
} /* free_mapi_msg */


static void
free_recip_tab (MapiRecipDesc * recip, size_t n)
{
    size_t i;

    if (!recip)
        return;
    if (!n)
        return;
    for (i=0; i < n; i++)
        safe_free (recip[i].lpszName);
    safe_free (recip);
} /* free_recip_tab */


static void
free_files_tab (MapiFileDesc * files, size_t n)
{
    size_t i;

    if (!files)
        return;
    if (!n)
        return;
    for (i=0; i < n; i++) {
        safe_free (files[i].lpszFileName);
        safe_free (files[i].lpszPathName);
    }
    safe_free (files);
} /* free_files_tab */


static gpgme_recipients_t
conv_recipients (gpgme_recipients_t rset)
{
    gpgme_recipients_t r;
    gpgme_error_t rc;
    void * ctx=NULL;
    const char * s;

    /* we need to convert the recipients to email addresses so 
       GPG can handle them. */
    rc = gpgme_recipients_new (&r);
    if (rc)
        return NULL;
    gpgme_recipients_enum_open (rset, &ctx);

    while ((s=gpgme_recipients_enum_read (rset, &ctx))) {
        char * p, * q, * buf;
        if (!(p = strchr (s, '<')) || !(q = strchr (s, '>')))
            continue;
        buf = (char * )calloc (1, (q-s)-(p-s)+2);
        if (!buf)
            BUG (0);
        strncpy (buf, s+(p-s)+1, (q-s)-(p-s)-1);
        gpgme_recipients_add_name (r, buf);
        safe_free (buf);
    }
    return r;
} /* conv_recipients */


static char *
secure_attachment (gpgme_recipients_t rset, const char * fname)
{
    char tmpdir[512+32], * p;
    gpgme_recipients_t addrs;
    gpgme_ctx_t ctx;
    gpgme_error_t rc;

    if (strlen (fname) > 200)
        BUG (0);
    GetTempPath (sizeof tmpdir-200, tmpdir);
    p = strrchr (fname, '\\');
    if (!p)
        strcat (tmpdir, fname);
    else
        strcat (tmpdir, fname+(p-fname)+1);
    strcat (tmpdir, ".asc");

    rc = gpgme_new (&ctx);
    if (rc)
        return NULL;
    gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
    gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);
    addrs = conv_recipients (rset);
    if (!addrs) {
        msg_box (NULL, _("No valid mail addresses found."), _("Secure Attachment"), MB_ERR);
        gpgme_release (NULL);
        return NULL;
    }
    rc = gpgme_op_file_encrypt (ctx, addrs, fname, tmpdir);
    if (rc)
        log_box (_("Secure Attachment"), MB_ERR, _("Could not encrypt '%s'"), fname);
    gpgme_recipients_release (addrs);
    gpgme_release (ctx);
    return strdup (tmpdir);
} /* secure_attachment */


static char *
secure_message (gpgme_recipients_t rset, const char * data)
{
    gpgme_recipients_t addrs;
    gpgme_error_t rc;
    gpgme_data_t in, out;
    gpgme_ctx_t ctx;
    char * p;
    size_t n=0;

    rc = gpgme_new (&ctx);
    if (rc)
        return NULL;
    gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
    gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);

    addrs = conv_recipients (rset);
    rc = gpgme_data_new_from_mem (&in, data, strlen (data), 1);
    if (rc) {
        gpgme_release (ctx);
        return NULL;
    }
    gpgme_data_new (&out);
    
    rc = gpgme_op_encrypt (ctx, addrs, in, out);
    if (rc)
        log_box (_("Secure Message"), MB_ERR, "Could not encrypt the data");

    p = gpgme_data_release_and_return_string (out);

    gpgme_data_release (in);
    gpgme_release (ctx);
    gpgme_recipients_release (addrs);

    return p;
} /* secure_message */


int
mapi_send_message (gpgme_recipients_t rset, const char * msgtxt,
                   const char * subject, const char ** files, size_t nfiles)
{
    LHANDLE hd;
    MapiMessage * msg;
    MapiRecipDesc * recip;
    MapiFileDesc * attch;
    char * p;
    const char * s;
    void * ctx=NULL;
    size_t n, i=0;
    int rc;

    if (!init)
        return 0;

    rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
    if (rc != SUCCESS_SUCCESS) {
        MessageBox (NULL, "MAPI Login failed.", "MAPI", MB_ICONWARNING|MB_OK);
        return rc;
    }

    msg = (MapiMessage *)calloc (1, sizeof * msg);
    if (!msg)
        BUG (0);
    p = msg->lpszSubject = strdup (subject);
    if (!p)
        BUG (0);
    p = msg->lpszNoteText = secure_message (rset, msgtxt);
    if (!p)
        BUG (0);
    n = msg->nRecipCount = gpgme_recipients_count (rset);
    recip = (MapiRecipDesc *)calloc (n+1, sizeof * recip);
    if (!recip)
        BUG (0);
    
    gpgme_recipients_enum_open (rset, &ctx);
    while ((s = gpgme_recipients_enum_read (rset, &ctx))) {
        if (!i)
            recip[i].ulRecipClass = MAPI_TO;
        else
            recip[i].ulRecipClass = MAPI_CC;    
        p = recip[i].lpszName = strdup (s);
        if (!p)
            BUG (0);
        i++;
    }
    msg->lpRecips = recip;

    if (nfiles) {
        msg->nFileCount = nfiles;
        attch = (MapiFileDesc *)calloc (nfiles+1, sizeof * attch);
        if (!attch)
            BUG (0);
        for (i=0; i < nfiles; i++) {
            char * p = secure_attachment (rset, *files);
            if (!p)
                continue;
            attch[i].lpszFileName = strdup (*files);        
            attch[i].lpszPathName = strdup (p);
            files++;
            safe_free (p);
        }
        msg->lpFiles = attch;
    }

    rc = mapi_send_mail (hd, 0, msg, 0, 0);
    if (rc == MAPI_E_USER_ABORT)
        rc = SUCCESS_SUCCESS;
    if (rc != SUCCESS_SUCCESS)
        MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ERR);

    free_recip_tab (recip, n);
    free_files_tab (attch, nfiles);
    free_mapi_msg (msg);
    mapi_logoff (hd, 0, 0, 0);

    return 0;
} /* mapi_send_message */


static int
add_recipient (gpgme_recipients_t * r_rset, const char * addr)
{
    gpgme_keycache_t pub = keycache_get_ctx (1);
    gpgme_key_t key;
    gpgme_error_t rc;
    const char * s;

    if (!*r_rset)
        gpgme_recipients_new (&(*r_rset));
    rc = gpgme_keycache_find_key (pub, addr, 0, &key);
    if (rc) {
        log_box (_("Add Recipient"), MB_ERR, _("Could not find key for '%s'"), addr);
        return -1;
    }
    s = gpgme_key_get_string_attr (key, GPGME_ATTR_USERID, NULL, 0);
    if (s)
        gpgme_recipients_add_name (*r_rset, s);
    return 0;
} /* add_recipient */


static int
add_all_recipients (HWND dlg, int itemid, gpgme_recipients_t * r_rset)
{    
    char buf[1024], * p;
    int n=0;

    n = GetDlgItemText (dlg, itemid, buf, sizeof buf-10);
    if (!n)
        return -1;
    p = strtok (buf, ";,");
    while (p != NULL) {
        add_recipient (&*r_rset, p);
        p = strtok (NULL, ";,");
    }
    return 0;
} /* add_all_recipients */


BOOL CALLBACK
winpt_mail_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static gpgme_recipients_t rset=NULL;
    char subject[128];
    char * msgbuf;
    int n;

    switch (msg) {
    case WM_INITDIALOG:
        center_window (dlg);
        SetForegroundWindow (dlg);
        break;

    case WM_COMMAND:
        switch (LOWORD (wparam)) {
        case IDOK:
            add_all_recipients (dlg, IDC_PMAIL_TO, &rset);
            add_all_recipients (dlg, IDC_PMAIL_CC, &rset);
            if (!gpgme_recipients_count (rset)) {
                msg_box (dlg, _("Please enter a recipient."), _("Mail"), MB_ERR);
                return FALSE;
            }
            n=GetDlgItemText (dlg, IDC_PMAIL_SUBJECT, subject, sizeof subject-1);
            if (!n)
                strcpy (subject, "");
            n = SendDlgItemMessage (dlg, IDC_PMAIL_MSG, WM_GETTEXTLENGTH, 0, 0);
            if (!n) {
                msg_box (dlg, _("Please enter a message."), _("Mail"), MB_ERR);
                return FALSE;
            }
            msgbuf = (char * )calloc (1, n+2);
            if (!msgbuf)
                BUG (0);
            GetDlgItemText (dlg, IDC_PMAIL_MSG, msgbuf, n+1);
            mapi_send_message (rset, msgbuf, subject, NULL, 0);
            safe_free (msgbuf);
            EndDialog (dlg, TRUE);
            break;

        case IDCANCEL:
            EndDialog (dlg, FALSE);
            break;
        }
        break;
    }

    return FALSE;
} /* winpt_mail_proc */
1	/* wptMAPI.cpp
2	* Copyright (C) 2003, 2004 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	#include <windows.h>
22	#include <stdio.h>
23	#include <mapi.h>
24
25	extern HINSTANCE glob_hinst;
26
27	#include "../resource.h"
28	#include "wptTypes.h"
29	#include "wptErrors.h"
30	#include "wptW32API.h"
31	#include "wptGPG.h"
32
33
34	static LPMAPILOGON mapi_logon = NULL;
35	static LPMAPILOGOFF mapi_logoff = NULL;
36	static LPMAPISENDDOCUMENTS mapi_send_documents = NULL;
37	static LPMAPISENDMAIL mapi_send_mail = NULL;
38	static HINSTANCE hlib = NULL;
39	static int init = 0;
40
41	#define load_one_fnc(cast, hlib, name) (cast)GetProcAddress ((hlib), name)
42
43
44	int
45	mapi_init (void)
46	{
47	if (init)
48	return 0;
49
50	hlib = LoadLibrary ("MAPI32.DLL");
51	if (!hlib)
52	return -1;
53
54	mapi_logon = load_one_fnc (LPMAPILOGON, hlib, "MAPILogon");
55	mapi_logoff = load_one_fnc (LPMAPILOGOFF, hlib, "MAPILogoff");
56	mapi_send_documents = load_one_fnc (LPMAPISENDDOCUMENTS, hlib, "MAPISendDocuments");
57	mapi_send_mail = load_one_fnc (LPMAPISENDMAIL, hlib, "MAPISendMail");
58	if (!mapi_logon \|\| !mapi_logoff \|\| !mapi_send_documents \|\| !mapi_send_mail)
59	return -1;
60	init = 1;
61
62	return 0;
63	} /* mapi_init */
64
65
66	void
67	mapi_deinit (void)
68	{
69	if (hlib) {
70	FreeLibrary (hlib);
71	hlib = NULL;
72	init = 0;
73	}
74	} /* mapi_deinit */
75
76
77	int
78	mapi_send_ascfile (char * ascfile)
79	{
80	LHANDLE hd;
81	int rc;
82
83	if (!init)
84	return 0;
85
86	rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
87	if (rc != SUCCESS_SUCCESS) {
88	MessageBox (NULL, _("MAPI Login failed."), "MAPI", MB_ICONWARNING\|MB_OK);
89	goto fail;
90	}
91	rc = mapi_send_documents (0, ";", ascfile, NULL, 0);
92	if (rc == MAPI_E_USER_ABORT)
93	rc = SUCCESS_SUCCESS;
94	if (rc != SUCCESS_SUCCESS)
95	MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ICONERROR\|MB_OK);
96
97	fail:
98	mapi_logoff (hd, 0, 0, 0);
99	return rc;
100	}
101
102
103	int
104	mapi_send_pubkey (const char * keyid, char * keyfile)
105	{
106	LHANDLE hd;
107	const char * fmt;
108	char * keyinf = NULL;
109	int rc;
110
111	if (!init)
112	return 0;
113
114	fmt = _("GPG Public Key of %s");
115	keyinf = new char[strlen (fmt) + strlen (keyid) + 2];
116	if (!keyinf)
117	BUG (0);
118	sprintf (keyinf, fmt, keyid);
119	rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
120	if (rc != SUCCESS_SUCCESS) {
121	MessageBox (NULL, _("MAPI Login failed."), "MAPI", MB_ICONWARNING\|MB_OK);
122	goto fail;
123	}
124	rc = mapi_send_documents (0, ";", keyfile, keyinf, 0);
125	if (rc == MAPI_E_USER_ABORT)
126	rc = SUCCESS_SUCCESS;
127	if (rc != SUCCESS_SUCCESS)
128	MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ICONERROR\|MB_OK);
129
130	fail:
131	mapi_logoff (hd, 0, 0, 0);
132	free_if_alloc (keyinf);
133	return rc;
134	} /* mapi_send_pubkey */
135
136
137	static void
138	free_mapi_msg (MapiMessage * msg)
139	{
140	if (!msg)
141	return;
142	safe_free (msg->lpszSubject);
143	safe_free (msg->lpszNoteText);
144	safe_free (msg);
145	} /* free_mapi_msg */
146
147
148	static void
149	free_recip_tab (MapiRecipDesc * recip, size_t n)
150	{
151	size_t i;
152
153	if (!recip)
154	return;
155	if (!n)
156	return;
157	for (i=0; i < n; i++)
158	safe_free (recip[i].lpszName);
159	safe_free (recip);
160	} /* free_recip_tab */
161
162
163	static void
164	free_files_tab (MapiFileDesc * files, size_t n)
165	{
166	size_t i;
167
168	if (!files)
169	return;
170	if (!n)
171	return;
172	for (i=0; i < n; i++) {
173	safe_free (files[i].lpszFileName);
174	safe_free (files[i].lpszPathName);
175	}
176	safe_free (files);
177	} /* free_files_tab */
178
179
180
181	static gpgme_recipients_t
182	conv_recipients (gpgme_recipients_t rset)
183	{
184	gpgme_recipients_t r;
185	gpgme_error_t rc;
186	void * ctx=NULL;
187	const char * s;
188
189	/* we need to convert the recipients to email addresses so
190	GPG can handle them. */
191	rc = gpgme_recipients_new (&r);
192	if (rc)
193	return NULL;
194	gpgme_recipients_enum_open (rset, &ctx);
195
196	while ((s=gpgme_recipients_enum_read (rset, &ctx))) {
197	char * p, * q, * buf;
198	if (!(p = strchr (s, '<')) \|\| !(q = strchr (s, '>')))
199	continue;
200	buf = (char * )calloc (1, (q-s)-(p-s)+2);
201	if (!buf)
202	BUG (0);
203	strncpy (buf, s+(p-s)+1, (q-s)-(p-s)-1);
204	gpgme_recipients_add_name (r, buf);
205	safe_free (buf);
206	}
207	return r;
208	} /* conv_recipients */
209
210
211	static char *
212	secure_attachment (gpgme_recipients_t rset, const char * fname)
213	{
214	char tmpdir[512+32], * p;
215	gpgme_recipients_t addrs;
216	gpgme_ctx_t ctx;
217	gpgme_error_t rc;
218
219	if (strlen (fname) > 200)
220	BUG (0);
221	GetTempPath (sizeof tmpdir-200, tmpdir);
222	p = strrchr (fname, '\\');
223	if (!p)
224	strcat (tmpdir, fname);
225	else
226	strcat (tmpdir, fname+(p-fname)+1);
227	strcat (tmpdir, ".asc");
228
229	rc = gpgme_new (&ctx);
230	if (rc)
231	return NULL;
232	gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
233	gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);
234	addrs = conv_recipients (rset);
235	if (!addrs) {
236	msg_box (NULL, _("No valid mail addresses found."), _("Secure Attachment"), MB_ERR);
237	gpgme_release (NULL);
238	return NULL;
239	}
240	rc = gpgme_op_file_encrypt (ctx, addrs, fname, tmpdir);
241	if (rc)
242	log_box (_("Secure Attachment"), MB_ERR, _("Could not encrypt '%s'"), fname);
243	gpgme_recipients_release (addrs);
244	gpgme_release (ctx);
245	return strdup (tmpdir);
246	} /* secure_attachment */
247
248
249	static char *
250	secure_message (gpgme_recipients_t rset, const char * data)
251	{
252	gpgme_recipients_t addrs;
253	gpgme_error_t rc;
254	gpgme_data_t in, out;
255	gpgme_ctx_t ctx;
256	char * p;
257	size_t n=0;
258
259	rc = gpgme_new (&ctx);
260	if (rc)
261	return NULL;
262	gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
263	gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);
264
265	addrs = conv_recipients (rset);
266	rc = gpgme_data_new_from_mem (&in, data, strlen (data), 1);
267	if (rc) {
268	gpgme_release (ctx);
269	return NULL;
270	}
271	gpgme_data_new (&out);
272
273	rc = gpgme_op_encrypt (ctx, addrs, in, out);
274	if (rc)
275	log_box (_("Secure Message"), MB_ERR, "Could not encrypt the data");
276
277	p = gpgme_data_release_and_return_string (out);
278
279	gpgme_data_release (in);
280	gpgme_release (ctx);
281	gpgme_recipients_release (addrs);
282
283	return p;
284	} /* secure_message */
285
286
287	int
288	mapi_send_message (gpgme_recipients_t rset, const char * msgtxt,
289	const char * subject, const char ** files, size_t nfiles)
290	{
291	LHANDLE hd;
292	MapiMessage * msg;
293	MapiRecipDesc * recip;
294	MapiFileDesc * attch;
295	char * p;
296	const char * s;
297	void * ctx=NULL;
298	size_t n, i=0;
299	int rc;
300
301	if (!init)
302	return 0;
303
304	rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
305	if (rc != SUCCESS_SUCCESS) {
306	MessageBox (NULL, "MAPI Login failed.", "MAPI", MB_ICONWARNING\|MB_OK);
307	return rc;
308	}
309
310	msg = (MapiMessage )calloc (1, sizeof msg);
311	if (!msg)
312	BUG (0);
313	p = msg->lpszSubject = strdup (subject);
314	if (!p)
315	BUG (0);
316	p = msg->lpszNoteText = secure_message (rset, msgtxt);
317	if (!p)
318	BUG (0);
319	n = msg->nRecipCount = gpgme_recipients_count (rset);
320	recip = (MapiRecipDesc )calloc (n+1, sizeof recip);
321	if (!recip)
322	BUG (0);
323
324	gpgme_recipients_enum_open (rset, &ctx);
325	while ((s = gpgme_recipients_enum_read (rset, &ctx))) {
326	if (!i)
327	recip[i].ulRecipClass = MAPI_TO;
328	else
329	recip[i].ulRecipClass = MAPI_CC;
330	p = recip[i].lpszName = strdup (s);
331	if (!p)
332	BUG (0);
333	i++;
334	}
335	msg->lpRecips = recip;
336
337	if (nfiles) {
338	msg->nFileCount = nfiles;
339	attch = (MapiFileDesc )calloc (nfiles+1, sizeof attch);
340	if (!attch)
341	BUG (0);
342	for (i=0; i < nfiles; i++) {
343	char * p = secure_attachment (rset, *files);
344	if (!p)
345	continue;
346	attch[i].lpszFileName = strdup (*files);
347	attch[i].lpszPathName = strdup (p);
348	files++;
349	safe_free (p);
350	}
351	msg->lpFiles = attch;
352	}
353
354	rc = mapi_send_mail (hd, 0, msg, 0, 0);
355	if (rc == MAPI_E_USER_ABORT)
356	rc = SUCCESS_SUCCESS;
357	if (rc != SUCCESS_SUCCESS)
358	MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ERR);
359
360	free_recip_tab (recip, n);
361	free_files_tab (attch, nfiles);
362	free_mapi_msg (msg);
363	mapi_logoff (hd, 0, 0, 0);
364
365	return 0;
366	} /* mapi_send_message */
367
368
369	static int
370	add_recipient (gpgme_recipients_t * r_rset, const char * addr)
371	{
372	gpgme_keycache_t pub = keycache_get_ctx (1);
373	gpgme_key_t key;
374	gpgme_error_t rc;
375	const char * s;
376
377	if (!*r_rset)
378	gpgme_recipients_new (&(*r_rset));
379	rc = gpgme_keycache_find_key (pub, addr, 0, &key);
380	if (rc) {
381	log_box (_("Add Recipient"), MB_ERR, _("Could not find key for '%s'"), addr);
382	return -1;
383	}
384	s = gpgme_key_get_string_attr (key, GPGME_ATTR_USERID, NULL, 0);
385	if (s)
386	gpgme_recipients_add_name (*r_rset, s);
387	return 0;
388	} /* add_recipient */
389
390
391	static int
392	add_all_recipients (HWND dlg, int itemid, gpgme_recipients_t * r_rset)
393	{
394	char buf[1024], * p;
395	int n=0;
396
397	n = GetDlgItemText (dlg, itemid, buf, sizeof buf-10);
398	if (!n)
399	return -1;
400	p = strtok (buf, ";,");
401	while (p != NULL) {
402	add_recipient (&*r_rset, p);
403	p = strtok (NULL, ";,");
404	}
405	return 0;
406	} /* add_all_recipients */
407
408
409	BOOL CALLBACK
410	winpt_mail_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
411	{
412	static gpgme_recipients_t rset=NULL;
413	char subject[128];
414	char * msgbuf;
415	int n;
416
417	switch (msg) {
418	case WM_INITDIALOG:
419	center_window (dlg);
420	SetForegroundWindow (dlg);
421	break;
422
423	case WM_COMMAND:
424	switch (LOWORD (wparam)) {
425	case IDOK:
426	add_all_recipients (dlg, IDC_PMAIL_TO, &rset);
427	add_all_recipients (dlg, IDC_PMAIL_CC, &rset);
428	if (!gpgme_recipients_count (rset)) {
429	msg_box (dlg, _("Please enter a recipient."), _("Mail"), MB_ERR);
430	return FALSE;
431	}
432	n=GetDlgItemText (dlg, IDC_PMAIL_SUBJECT, subject, sizeof subject-1);
433	if (!n)
434	strcpy (subject, "");
435	n = SendDlgItemMessage (dlg, IDC_PMAIL_MSG, WM_GETTEXTLENGTH, 0, 0);
436	if (!n) {
437	msg_box (dlg, _("Please enter a message."), _("Mail"), MB_ERR);
438	return FALSE;
439	}
440	msgbuf = (char * )calloc (1, n+2);
441	if (!msgbuf)
442	BUG (0);
443	GetDlgItemText (dlg, IDC_PMAIL_MSG, msgbuf, n+1);
444	mapi_send_message (rset, msgbuf, subject, NULL, 0);
445	safe_free (msgbuf);
446	EndDialog (dlg, TRUE);
447	break;
448
449	case IDCANCEL:
450	EndDialog (dlg, FALSE);
451	break;
452	}
453	break;
454	}
455
456	return FALSE;
457	} /* winpt_mail_proc */