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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2005,
2007, 2009 Free Software Foundation, Inc.
GNU Mailutils 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 3, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#include "maidag.h"
struct mail_tmp
{
mu_stream_t stream;
size_t line;
char *tempfile;
const char *from;
int had_nl;
};
int
mail_tmp_begin (struct mail_tmp **pmtmp, const char *from)
{
int status;
struct mail_tmp *mtmp = malloc (sizeof *mtmp);
if (!mtmp)
return ENOMEM;
memset (mtmp, 0, sizeof *mtmp);
mtmp->tempfile = mu_tempname (NULL);
if ((status = mu_file_stream_create (&mtmp->stream, mtmp->tempfile,
MU_STREAM_RDWR)))
{
free (mtmp);
maidag_error (_("unable to open temporary file: %s"),
mu_strerror (status));
return status;
}
if ((status = mu_stream_open (mtmp->stream)))
{
free (mtmp);
maidag_error (_("unable to open temporary file: %s"),
mu_strerror (status));
return status;
}
mtmp->from = from;
*pmtmp = mtmp;
return 0;
}
int
mail_tmp_add_line (struct mail_tmp *mtmp, char *buf, size_t buflen)
{
int status = 0;
mtmp->line++;
if (mtmp->line == 1)
{
const char *from = mtmp->from;
if (buflen >= 5 && memcmp (buf, "From ", 5))
{
struct mu_auth_data *auth = NULL;
if (!from)
{
auth = mu_get_auth_by_uid (getuid ());
if (auth)
from = auth->name;
}
if (from)
{
time_t t;
char *envs;
time (&t);
asprintf (&envs, "From %s %s", from, ctime (&t));
status = mu_stream_sequential_write (mtmp->stream,
envs,
strlen (envs));
free (envs);
}
else
{
maidag_error (_("cannot determine sender address"));
return EINVAL;
}
if (auth)
mu_auth_data_free (auth);
}
}
else if (buflen >= 5 && !memcmp (buf, "From ", 5))
{
static char *escape = ">";
status = mu_stream_sequential_write (mtmp->stream, escape, 1);
}
if (!status)
status = mu_stream_sequential_write (mtmp->stream, buf, buflen);
if (status)
{
maidag_error (_("error writing temporary file: %s"),
mu_strerror (status));
mu_stream_destroy (&mtmp->stream, mu_stream_get_owner (mtmp->stream));
}
mtmp->had_nl = buf[buflen-1] == '\n';
return status;
}
int
mail_tmp_finish (struct mail_tmp *mtmp, mu_mailbox_t *mbox)
{
int status;
static char *newline = "\n";
size_t n;
if (!mtmp->had_nl)
status = mu_stream_sequential_write (mtmp->stream, newline, 1);
status = mu_stream_sequential_write (mtmp->stream, newline, 1);
unlink (mtmp->tempfile);
free (mtmp->tempfile);
mtmp->tempfile = NULL;
if (status)
{
errno = status;
maidag_error (_("error writing temporary file: %s"),
mu_strerror (status));
mu_stream_destroy (&mtmp->stream, mu_stream_get_owner (mtmp->stream));
return status;
}
mu_stream_flush (mtmp->stream);
if ((status = mu_mailbox_create (mbox, "mbox:/dev/null"))
|| (status = mu_mailbox_open (*mbox, MU_STREAM_READ))
|| (status = mu_mailbox_set_stream (*mbox, mtmp->stream)))
{
maidag_error (_("error opening temporary file: %s"),
mu_strerror (status));
mu_stream_destroy (&mtmp->stream, mu_stream_get_owner (mtmp->stream));
return status;
}
status = mu_mailbox_messages_count (*mbox, &n);
if (status)
{
errno = status;
maidag_error (_("error creating temporary message: %s"),
mu_strerror (status));
mu_stream_destroy (&mtmp->stream, mu_stream_get_owner (mtmp->stream));
return status;
}
mtmp->stream = NULL;
mtmp->line = 0;
return status;
}
void
mail_tmp_destroy (struct mail_tmp **pmtmp)
{
struct mail_tmp *mtmp = *pmtmp;
if (mtmp)
{
if (mtmp->tempfile)
{
unlink (mtmp->tempfile);
free (mtmp->tempfile);
}
mu_stream_destroy (&mtmp->stream, mu_stream_get_owner (mtmp->stream));
free (*pmtmp);
*pmtmp = NULL;
}
}
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