mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-08 21:18:51 +01:00
3ab6538433
* tools/send-mail.c: Include unistd.h (run_sendmail): Check for bad sendmail. -- GnuPG-bug-id: 6321
148 lines
3.5 KiB
C
148 lines
3.5 KiB
C
/* send-mail.c - Invoke sendmail or other delivery tool.
|
|
* Copyright (C) 2016 g10 Code GmbH
|
|
* Copyright (C) 2016 Bundesamt für Sicherheit in der Informationstechnik
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 2.1 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This file 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h> /* for X_OK */
|
|
|
|
#include "../common/util.h"
|
|
#include "../common/exectool.h"
|
|
#include "../common/sysutils.h"
|
|
#include "send-mail.h"
|
|
|
|
|
|
static gpg_error_t
|
|
run_sendmail (estream_t data)
|
|
{
|
|
gpg_error_t err;
|
|
const char pgmname[] = NAME_OF_SENDMAIL;
|
|
const char *argv[3];
|
|
|
|
if (!*pgmname || gnupg_access (pgmname, X_OK))
|
|
{
|
|
log_error ("sendmail tool '%s' is not correctly installed\n", pgmname);
|
|
return gpg_error (GPG_ERR_ENOENT);
|
|
}
|
|
|
|
argv[0] = "-oi";
|
|
argv[1] = "-t";
|
|
argv[2] = NULL;
|
|
|
|
err = gnupg_exec_tool_stream (pgmname, argv, data, NULL, NULL, NULL, NULL);
|
|
if (err)
|
|
log_error ("running '%s' failed: %s\n", pgmname, gpg_strerror (err));
|
|
return err;
|
|
}
|
|
|
|
|
|
/* Send the data in FP as mail. */
|
|
gpg_error_t
|
|
send_mail (estream_t fp)
|
|
{
|
|
return run_sendmail (fp);
|
|
}
|
|
|
|
|
|
/* Convenience function to write a mail to a named file. */
|
|
gpg_error_t
|
|
send_mail_to_file (estream_t fp, const char *fname)
|
|
{
|
|
gpg_error_t err;
|
|
estream_t outfp = NULL;
|
|
char *buffer = NULL;
|
|
size_t buffersize = 32 * 1024;
|
|
size_t nbytes, nwritten;
|
|
|
|
if (!fname)
|
|
fname = "-";
|
|
|
|
buffer = xtrymalloc (buffersize);
|
|
if (!buffer)
|
|
return gpg_error_from_syserror ();
|
|
|
|
|
|
if (!strcmp (fname,"-"))
|
|
{
|
|
outfp = es_stdout;
|
|
es_set_binary (es_stdout);
|
|
}
|
|
else
|
|
{
|
|
outfp = es_fopen (fname, "wb");
|
|
if (!outfp)
|
|
{
|
|
err = gpg_error_from_syserror ();
|
|
log_error ("error creating '%s': %s\n", fname, gpg_strerror (err));
|
|
goto leave;
|
|
}
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
if (es_read (fp, buffer, sizeof buffer, &nbytes))
|
|
{
|
|
err = gpg_error_from_syserror ();
|
|
log_error ("error reading '%s': %s\n",
|
|
es_fname_get (fp), gpg_strerror (err));
|
|
goto leave;
|
|
}
|
|
|
|
if (!nbytes)
|
|
{
|
|
err = 0;
|
|
break; /* Ready. */
|
|
}
|
|
|
|
if (es_write (outfp, buffer, nbytes, &nwritten))
|
|
{
|
|
err = gpg_error_from_syserror ();
|
|
log_error ("error writing '%s': %s\n", fname, gpg_strerror (err));
|
|
goto leave;
|
|
}
|
|
else if (nwritten != nbytes)
|
|
{
|
|
err = gpg_error (GPG_ERR_EIO);
|
|
log_error ("error writing '%s': %s\n", fname, "short write");
|
|
goto leave;
|
|
}
|
|
}
|
|
|
|
|
|
leave:
|
|
if (err)
|
|
{
|
|
if (outfp && outfp != es_stdout)
|
|
{
|
|
es_fclose (outfp);
|
|
gnupg_remove (fname);
|
|
}
|
|
}
|
|
else if (outfp && outfp != es_stdout && es_fclose (outfp))
|
|
{
|
|
err = gpg_error_from_syserror ();
|
|
log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
|
|
}
|
|
|
|
xfree (buffer);
|
|
return err;
|
|
}
|