script.c
3.14 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2002, 2005, 2007, 2009-2012, 2014-2017 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, see <http://www.gnu.org/licenses/>. */
#include "maidag.h"
int
script_register (const char *pattern)
{
mu_script_t scr;
struct maidag_script *p;
if (script_handler)
scr = script_handler;
else
{
scr = mu_script_suffix_handler (pattern);
if (!scr)
return EINVAL;
}
p = malloc (sizeof (*p));
if (!p)
return MU_ERR_FAILURE;
p->scr = scr;
p->pat = pattern;
if (!script_list)
{
if (mu_list_create (&script_list))
return MU_ERR_FAILURE;
}
if (mu_list_append (script_list, p))
return MU_ERR_FAILURE;
return 0;
}
struct apply_script_closure
{
struct mu_auth_data *auth;
mu_message_t msg;
};
static char const *script_env[] = { "location=MDA", "phase=during", NULL };
static int
apply_script (void *item, void *data)
{
struct maidag_script *scr = item;
struct apply_script_closure *clos = data;
char *progfile;
int rc;
struct stat st;
mu_script_descr_t sd;
progfile = mu_expand_path_pattern (scr->pat, clos->auth->name);
if (stat (progfile, &st))
{
if (debug_level > 2)
mu_diag_funcall (MU_DIAG_DEBUG, "stat", progfile, errno);
else if (errno != ENOENT)
mu_diag_funcall (MU_DIAG_NOTICE, "stat", progfile, errno);
free (progfile);
return 0;
}
rc = mu_script_init (scr->scr, progfile, script_env, &sd);
if (rc)
mu_error (_("initialization of script %s failed: %s"),
progfile, mu_strerror (rc));
else
{
if (mu_script_sieve_log)
mu_script_log_enable (scr->scr, sd, clos->auth->name,
message_id_header);
rc = mu_script_process_msg (scr->scr, sd, clos->msg);
if (rc)
mu_error (_("script %s failed: %s"), progfile, mu_strerror (rc));
mu_script_done (scr->scr, sd);
}
free (progfile);
return rc;
}
int
script_apply (mu_message_t msg, struct mu_auth_data *auth)
{
int rc = 0;
if (script_list)
{
mu_attribute_t attr;
struct apply_script_closure clos;
clos.auth = auth;
clos.msg = msg;
mu_message_get_attribute (msg, &attr);
mu_attribute_unset_deleted (attr);
if (switch_user_id (auth, 1) == 0)
{
chdir (auth->dir);
rc = mu_list_foreach (script_list, apply_script, &clos);
chdir ("/");
switch_user_id (auth, 0);
if (rc == 0)
{
mu_attribute_t attr;
mu_message_get_attribute (msg, &attr);
rc = mu_attribute_is_deleted (attr);
}
else
rc = 0;
}
}
return rc;
}