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