1 /* send-mail.c - Invoke sendmail or other delivery tool.
2 * Copyright (C) 2016 g10 Code GmbH
4 * This file is part of GnuPG.
6 * GnuPG 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 3 of the License, or
9 * (at your option) any later version.
11 * GnuPG 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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <https://www.gnu.org/licenses/>.
28 #include "send-mail.h"
32 run_sendmail (estream_t data)
35 const char pgmname[] = "/usr/lib/sendmail";
42 err = gnupg_exec_tool_stream (pgmname, argv, data, NULL, NULL, NULL, NULL);
44 log_error ("running '%s' failed: %s\n", pgmname, gpg_strerror (err));
49 /* Send the data in FP as mail. */
51 send_mail (estream_t fp)
53 return run_sendmail (fp);
57 /* Convenience function to write a mail to a named file. */
59 send_mail_to_file (estream_t fp, const char *fname)
62 estream_t outfp = NULL;
64 size_t buffersize = 32 * 1024;
65 size_t nbytes, nwritten;
70 buffer = xtrymalloc (buffersize);
72 return gpg_error_from_syserror ();
74 outfp = !strcmp (fname,"-")? es_stdout : es_fopen (fname, "wb");
77 err = gpg_error_from_syserror ();
78 log_error ("error creating '%s': %s\n", fname, gpg_strerror (err));
83 if (es_read (fp, buffer, sizeof buffer, &nbytes))
85 err = gpg_error_from_syserror ();
86 log_error ("error reading '%s': %s\n",
87 es_fname_get (fp), gpg_strerror (err));
97 if (es_write (outfp, buffer, nbytes, &nwritten))
99 err = gpg_error_from_syserror ();
100 log_error ("error writing '%s': %s\n", fname, gpg_strerror (err));
103 else if (nwritten != nbytes)
105 err = gpg_error (GPG_ERR_EIO);
106 log_error ("error writing '%s': %s\n", fname, "short write");
115 if (outfp && outfp != es_stdout)
118 gnupg_remove (fname);
121 else if (outfp && outfp != es_stdout && es_fclose (outfp))
123 err = gpg_error_from_syserror ();
124 log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));