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			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			strncpy (buf, s+(p-s)+1, (q-s)-(p-s)-1);
202			gpgme_recipients_add_name (r, buf);
203			safe_free (buf);
204			}
205			return r;
206			} /* conv_recipients */
207
208
209			static char *
210			secure_attachment (gpgme_recipients_t rset, const char * fname)
211			{
212			char tmpdir[512+32], * p;
213			gpgme_recipients_t addrs;
214			gpgme_ctx_t ctx;
215			gpgme_error_t rc;
216
217			if (strlen (fname) > 200)
218			BUG (0);
219			GetTempPath (sizeof tmpdir-200, tmpdir);
220			p = strrchr (fname, '\\');
221			if (!p)
222			strcat (tmpdir, fname);
223			else
224			strcat (tmpdir, fname+(p-fname)+1);
225			strcat (tmpdir, ".asc");
226
227			rc = gpgme_new (&ctx);
228			if (rc)
229			return NULL;
230			gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
231			gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);
232			addrs = conv_recipients (rset);
233			if (!addrs) {
234			msg_box (NULL, _("No valid mail addresses found."), _("Secure Attachment"), MB_ERR);
235			gpgme_release (NULL);
236			return NULL;
237			}
238			rc = gpgme_op_file_encrypt (ctx, addrs, fname, tmpdir);
239			if (rc)
240			log_box (_("Secure Attachment"), MB_ERR, _("Could not encrypt '%s'"), fname);
241			gpgme_recipients_release (addrs);
242			gpgme_release (ctx);
243			return strdup (tmpdir);
244			} /* secure_attachment */
245
246
247			static char *
248			secure_message (gpgme_recipients_t rset, const char * data)
249			{
250			gpgme_recipients_t addrs;
251			gpgme_error_t rc;
252			gpgme_data_t in, out;
253			gpgme_ctx_t ctx;
254			char * p;
255			size_t n=0;
256
257			rc = gpgme_new (&ctx);
258			if (rc)
259			return NULL;
260			gpgme_control (ctx, GPGME_CTRL_ARMOR, 1);
261			gpgme_control (ctx, GPGME_CTRL_FORCETRUST, 1);
262
263			addrs = conv_recipients (rset);
264			rc = gpgme_data_new_from_mem (&in, data, strlen (data), 1);
265			if (rc) {
266			gpgme_release (ctx);
267			return NULL;
268			}
269			gpgme_data_new (&out);
270
271			rc = gpgme_op_encrypt (ctx, addrs, in, out);
272			if (rc)
273			log_box (_("Secure Message"), MB_ERR, "Could not encrypt the data");
274
275			p = gpgme_data_release_and_return_string (out);
276
277			gpgme_data_release (in);
278			gpgme_release (ctx);
279			gpgme_recipients_release (addrs);
280
281			return p;
282			} /* secure_message */
283
284
285			int
286			mapi_send_message (gpgme_recipients_t rset, const char * msgtxt,
287			const char * subject, const char ** files, size_t nfiles)
288			{
289			LHANDLE hd;
290			MapiMessage * msg;
291			MapiRecipDesc * recip;
292			MapiFileDesc * attch;
293			char * p;
294			const char * s;
295			void * ctx=NULL;
296			size_t n, i=0;
297			int rc;
298
299			if (!init)
300			return 0;
301
302			rc = mapi_logon (0, NULL, NULL, MAPI_LOGON_UI, 0, &hd);
303			if (rc != SUCCESS_SUCCESS) {
304			MessageBox (NULL, "MAPI Login failed.", "MAPI", MB_ICONWARNING\|MB_OK);
305			return rc;
306			}
307
308			msg = (MapiMessage )calloc (1, sizeof msg);
309			p = msg->lpszSubject = strdup (subject);
310			if (!p)
311			BUG (0);
312			p = msg->lpszNoteText = secure_message (rset, msgtxt);
313			if (!p)
314			BUG (0);
315			n = msg->nRecipCount = gpgme_recipients_count (rset);
316			recip = (MapiRecipDesc )calloc (n+1, sizeof recip);
317
318			gpgme_recipients_enum_open (rset, &ctx);
319			while ((s = gpgme_recipients_enum_read (rset, &ctx))) {
320			if (!i)
321			recip[i].ulRecipClass = MAPI_TO;
322			else
323			recip[i].ulRecipClass = MAPI_CC;
324			p = recip[i].lpszName = strdup (s);
325			if (!p)
326			BUG (0);
327			i++;
328			}
329			msg->lpRecips = recip;
330
331			if (nfiles) {
332			msg->nFileCount = nfiles;
333			attch = (MapiFileDesc )calloc (nfiles+1, sizeof attch);
334			for (i=0; i < nfiles; i++) {
335			char * p = secure_attachment (rset, *files);
336			if (!p)
337			continue;
338			attch[i].lpszFileName = strdup (*files);
339			attch[i].lpszPathName = strdup (p);
340			files++;
341			safe_free (p);
342			}
343			msg->lpFiles = attch;
344			}
345
346			rc = mapi_send_mail (hd, 0, msg, 0, 0);
347			if (rc == MAPI_E_USER_ABORT)
348			rc = SUCCESS_SUCCESS;
349			if (rc != SUCCESS_SUCCESS)
350			MessageBox (NULL, _("Could not sent mail."), "MAPI", MB_ERR);
351
352			free_recip_tab (recip, n);
353			free_files_tab (attch, nfiles);
354			free_mapi_msg (msg);
355			mapi_logoff (hd, 0, 0, 0);
356
357			return 0;
358			} /* mapi_send_message */
359
360
361			static int
362			add_recipient (gpgme_recipients_t * r_rset, const char * addr)
363			{
364			gpgme_keycache_t pub = keycache_get_ctx (1);
365			gpgme_key_t key;
366			gpgme_error_t rc;
367			const char * s;
368
369			if (!*r_rset)
370			gpgme_recipients_new (&(*r_rset));
371			rc = gpgme_keycache_find_key (pub, addr, 0, &key);
372			if (rc) {
373			log_box (_("Add Recipient"), MB_ERR, _("Could not find key for '%s'"), addr);
374			return -1;
375			}
376			s = gpgme_key_get_string_attr (key, GPGME_ATTR_USERID, NULL, 0);
377			if (s)
378			gpgme_recipients_add_name (*r_rset, s);
379			return 0;
380			} /* add_recipient */
381
382
383			static int
384			add_all_recipients (HWND dlg, int itemid, gpgme_recipients_t * r_rset)
385			{
386			char buf[1024], * p;
387			int n=0;
388
389			n = GetDlgItemText (dlg, itemid, buf, sizeof buf-10);
390			if (!n)
391			return -1;
392			p = strtok (buf, ";,");
393			while (p != NULL) {
394			add_recipient (&*r_rset, p);
395			p = strtok (NULL, ";,");
396			}
397			return 0;
398			} /* add_all_recipients */
399
400
401			BOOL CALLBACK
402			winpt_mail_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
403			{
404			static gpgme_recipients_t rset=NULL;
405			char subject[128];
406			char * msgbuf;
407			int n;
408
409			switch (msg) {
410			case WM_INITDIALOG:
411			center_window (dlg);
412			SetForegroundWindow (dlg);
413			break;
414
415			case WM_COMMAND:
416			switch (LOWORD (wparam)) {
417			case IDOK:
418			add_all_recipients (dlg, IDC_PMAIL_TO, &rset);
419			add_all_recipients (dlg, IDC_PMAIL_CC, &rset);
420			if (!gpgme_recipients_count (rset)) {
421			msg_box (dlg, _("Please enter a recipient."), _("Mail"), MB_ERR);
422			return FALSE;
423			}
424			n=GetDlgItemText (dlg, IDC_PMAIL_SUBJECT, subject, sizeof subject-1);
425			if (!n)
426			strcpy (subject, "");
427			n = SendDlgItemMessage (dlg, IDC_PMAIL_MSG, WM_GETTEXTLENGTH, 0, 0);
428			if (!n) {
429			msg_box (dlg, _("Please enter a message."), _("Mail"), MB_ERR);
430			return FALSE;
431			}
432			msgbuf = (char * )calloc (1, n+2);
433			GetDlgItemText (dlg, IDC_PMAIL_MSG, msgbuf, n+1);
434			mapi_send_message (rset, msgbuf, subject, NULL, 0);
435			safe_free (msgbuf);
436			EndDialog (dlg, TRUE);
437			break;
438
439			case IDCANCEL:
440			EndDialog (dlg, FALSE);
441			break;
442			}
443			break;
444			}
445
446			return FALSE;
447			} /* winpt_mail_proc */