/* Syntax: addheader [:last] <field-name: string> <value: string>
*/
int
sieve_addheader (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
mu_sieve_value_t *val;
const char *field_name;
const char *field_value;
mu_message_t msg;
mu_header_t hdr;
int rc;
val = mu_sieve_value_get (args, 0);
if (!val)
{
mu_sieve_error (mach, "%lu: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get field name"));
mu_sieve_abort (mach);
}
field_name = val->v.string;
val = mu_sieve_value_get (args, 1);
if (!val)
{
mu_sieve_error (mach, "%lu: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get field value"));
mu_sieve_abort (mach);
}
field_value = val->v.string;
mu_sieve_log_action (mach, "ADDHEADER", "%s: %s", field_name, field_value);
if (mu_sieve_is_dry_run (mach))
return 0;
msg = mu_sieve_get_message (mach);
rc = mu_message_get_header (msg, &hdr);
if (rc)
{
mu_sieve_error (mach, "%lu: %s: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get message header"),
mu_strerror (rc));
mu_sieve_abort (mach);
}
rc = (mu_sieve_tag_lookup (tags, "last", NULL) ?
mu_header_append : mu_header_prepend) (hdr, field_name, field_value);
if (rc)
{
mu_sieve_error (mach, "%lu: %s: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot append message header"),
mu_strerror (rc));
mu_sieve_abort (mach);
}
return 0;
}
/* Handler for the numaddr test */
static int
numaddr_test (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
mu_sieve_value_t *h, *v;
struct val_ctr vc;
int rc;
if (mu_sieve_get_debug_level (mach) & MU_SIEVE_DEBUG_TRACE)
{
mu_sieve_debug (mach, "NUMADDR");
}
/* Retrieve required arguments: */
/* First argument: list of header names */
h = mu_sieve_value_get (args, 0);
if (!h)
{
mu_sieve_error (mach, "numaddr: can't get argument 1");
mu_sieve_abort (mach);
}
/* Second argument: Limit on the number of addresses */
v = mu_sieve_value_get (args, 1);
if (!v)
{
mu_sieve_error (mach, "numaddr: can't get argument 2");
mu_sieve_abort (mach);
}
/* Fill in the val_ctr structure */
mu_message_get_header (mu_sieve_get_message (mach), &vc.hdr);
vc.count = 0;
vc.limit = v->v.number;
/* Count the addresses */
rc = mu_sieve_vlist_do (h, _count_items, &vc);
/* Here rc >= 1 iff the counted number of addresses is greater or equal
to vc.limit. If `:under' tag was given we reverse the return value */
if (mu_sieve_tag_lookup (tags, "under", NULL))
rc = !rc;
return rc;
}
static int
moderator_action (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
mu_message_t msg, orig;
int rc;
size_t nparts = 0;
int discard = 0;
int ismime;
if (mu_sieve_get_debug_level (mach) & MU_SIEVE_DEBUG_TRACE)
{
mu_sieve_debug (mach, "moderator_test %lu",
(unsigned long) mu_sieve_get_message_num (mach));
}
msg = mu_sieve_get_message (mach);
mu_message_is_multipart (msg, &ismime);
if (!ismime)
{
mu_sieve_error (mach, _("message is not multipart"));
mu_sieve_abort (mach);
}
mu_message_get_num_parts (msg, &nparts);
if (nparts != 3) /* Mailman moderation requests have three parts */
{
mu_sieve_error (mach, _("expected 3 parts, but found %lu"),
(unsigned long) nparts);
mu_sieve_abort (mach);
}
if ((rc = moderator_message_get_part (mach, msg, 2, &orig)))
mu_sieve_abort (mach);
rc = moderator_filter_message (mach, tags, orig, &discard);
mu_message_unref (orig);
if (rc)
mu_sieve_abort (mach);
if (discard && !mu_sieve_is_dry_run (mach))
{
mu_message_t request;
char *from = NULL;
mu_sieve_value_t *arg;
if ((rc = moderator_message_get_part (mach, msg, 3, &request)))
{
mu_sieve_error (mach, _("cannot get message part #3: %s"),
mu_strerror (rc));
mu_sieve_abort (mach);
}
if (mu_sieve_tag_lookup (tags, "address", &arg))
from = arg->v.string;
if (moderator_discard_message (mach, request, from))
discard = 0;
else
{
if (!mu_sieve_tag_lookup (tags, "keep", NULL))
{
mu_attribute_t attr = 0;
if (mu_message_get_attribute (msg, &attr) == 0)
mu_attribute_set_deleted (attr);
}
else
discard = 0;
}
mu_message_unref (request);
}
mu_sieve_log_action (mach, "MODERATOR",
discard ? _("discarding message") :
_("keeping message"));
return 0;
}
int
sieve_action_vacation (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
int rc;
char *text, *from;
mu_sieve_value_t *val;
mu_message_t msg;
mu_header_t hdr;
char *my_address = mu_sieve_get_daemon_email (mach);
if (diag (mach))
return 0;
val = mu_sieve_value_get (args, 0);
if (!val)
{
mu_sieve_error (mach, _("cannot get text!"));
mu_sieve_abort (mach);
}
else
text = val->v.string;
msg = mu_sieve_get_message (mach);
mu_message_get_header (msg, &hdr);
if (mu_sieve_tag_lookup (tags, "sender", &val))
{
/* Debugging hook: :sender sets fake reply address */
from = strdup (val->v.string);
if (!from)
{
mu_sieve_error (mach, "%lu: %s",
(unsigned long) mu_sieve_get_message_num (mach),
mu_strerror (ENOMEM));
mu_sieve_abort (mach);
}
}
else if (mu_sieve_get_message_sender (msg, &from))
{
mu_sieve_error (mach,
_("%lu: cannot get sender address"),
(unsigned long) mu_sieve_get_message_num (mach));
mu_sieve_abort (mach);
}
if (mu_sieve_tag_lookup (tags, "aliases", &val)
&& match_addresses (hdr, val, &my_address) == 0)
return 0;
if (noreply_address_p (mach, tags, from)
|| bulk_precedence_p (hdr)
|| check_db (mach, tags, from))
{
free (from);
return 0;
}
rc = vacation_reply (mach, tags, msg, text, from, my_address);
free (from);
if (rc == -1)
mu_sieve_abort (mach);
return rc;
}
/* Syntax: deleteheader [:index <fieldno: number> [:last]]
[COMPARATOR] [MATCH-TYPE]
<field-name: string>
[<value-patterns: string-list>]
*/
int
sieve_deleteheader (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
mu_sieve_value_t *val;
const char *field_name;
const char *field_pattern;
mu_message_t msg;
mu_header_t hdr;
int rc;
mu_sieve_comparator_t comp;
mu_iterator_t itr;
unsigned long i, idx = 0;
val = mu_sieve_value_get (args, 0);
if (!val)
{
mu_sieve_error (mach, "%lu: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get field name"));
mu_sieve_abort (mach);
}
field_name = val->v.string;
val = mu_sieve_value_get (args, 1);
if (!val)
{
field_pattern = NULL;
mu_sieve_log_action (mach, "DELETEHEADER", "%s", field_name);
}
else
{
switch (val->type)
{
case SVT_STRING_LIST:
if (mu_list_get (val->v.list, 0, (void**)&field_pattern))
{
mu_sieve_error (mach, "%lu: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get list item"));
mu_sieve_abort (mach);
}
mu_sieve_log_action (mach, "DELETEHEADER", "%s: (regexp)",
field_name);
break;
case SVT_STRING:
field_pattern = val->v.string;
mu_sieve_log_action (mach, "DELETEHEADER", "%s: %s", field_name,
field_pattern);
break;
default:
mu_sieve_error (mach, "%lu: %s: %d",
(unsigned long) mu_sieve_get_message_num (mach),
_("unexpected value type"), val->type);
mu_sieve_abort (mach);
}
}
if (mu_sieve_is_dry_run (mach))
return 0;
msg = mu_sieve_get_message (mach);
rc = mu_message_get_header (msg, &hdr);
if (rc)
{
mu_sieve_error (mach, "%lu: %s: %s",
(unsigned long) mu_sieve_get_message_num (mach),
_("cannot get message header"),
mu_strerror (rc));
mu_sieve_abort (mach);
}
mu_header_get_iterator (hdr, &itr);
if (mu_sieve_tag_lookup (tags, "last", NULL))
{
int backwards = 1;
mu_iterator_ctl (itr, mu_itrctl_set_direction, &backwards);
}
comp = mu_sieve_get_comparator (mach, tags);
if (mu_sieve_tag_lookup (tags, "index", &val))
idx = val->v.number;
for (i = 0, mu_iterator_first (itr); !mu_iterator_is_done (itr);
mu_iterator_next (itr))
{
const char *fn, *fv;
mu_iterator_current_kv (itr, (const void **)&fn, (void **)&fv);
if (strcmp (field_name, fn))
continue;
if (idx && ++i < idx)
continue;
if (field_pattern)
{
if (comp (field_pattern, fv))
mu_iterator_ctl (itr, mu_itrctl_delete, NULL);
}
else
mu_iterator_ctl (itr, mu_itrctl_delete, NULL);
if (idx)
break;
}
mu_iterator_destroy (&itr);
return 0;
}
/* Handler for the timestamp test */
static int
timestamp_test (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
mu_sieve_value_t *h, *v;
mu_header_t hdr;
char *val;
time_t now = time (NULL);
time_t tlimit, tval;
int rc;
if (mu_sieve_get_debug_level (mach) & MU_SIEVE_DEBUG_TRACE)
{
mu_sieve_locus_t locus;
mu_sieve_get_locus (mach, &locus);
mu_sieve_debug (mach, "%s:%lu: TIMESTAMP\n",
locus.source_file,
(unsigned long) locus.source_line);
}
/* Retrieve required arguments: */
/* First argument: header name */
h = mu_sieve_value_get (args, 0);
if (!h)
{
mu_sieve_arg_error (mach, 1);
mu_sieve_abort (mach);
}
/* Second argument: date displacement */
v = mu_sieve_value_get (args, 1);
if (!v)
{
mu_sieve_arg_error (mach, 2);
mu_sieve_abort (mach);
}
if (mu_parse_date (v->v.string, &tlimit, &now))
{
mu_sieve_error (mach, _("cannot parse date specification (%s)"),
v->v.string);
mu_sieve_abort (mach);
}
rc = mu_message_get_header (mu_sieve_get_message (mach), &hdr);
if (rc)
{
mu_sieve_error (mach, "mu_message_get_header: %s", mu_strerror (rc));
mu_sieve_abort (mach);
}
if (mu_header_aget_value (hdr, h->v.string, &val))
return 0;
if (mu_parse_date (val, &tval, &now))
{
mu_sieve_error (mach,
"cannot parse header date specification (%s)",
val);
free (val);
mu_sieve_abort (mach);
}
free (val);
rc = tval > tlimit;
if (mu_sieve_tag_lookup (tags, "before", NULL))
rc = !rc;
return rc;
}
