NAME¶
ausearch_add_timestamp_item - build up search rule
SYNOPSIS¶
#include <auparse.h>
int ausearch_add_timestamp_item(auparse_state_t *au, const char *op, time_t sec,
unsigned milli, ausearch_rule_t how)
DESCRIPTION¶
ausearch_add_timestamp_item adds an event time condition to the current audit
search expression. The search conditions can then be used to scan logs, files,
or buffers for something of interest. The op parameter specifies the desired
comparison. Legal op values are
<,
<=,
>=,
> and
=. The left operand of the comparison operator is the
timestamp of the examined event, the right operand is specified by the sec and
milli parameters.
The how value determines how this search condition will affect the existing
search expression if one is already defined. The possible values are:
- AUSEARCH_RULE_CLEAR
- Clear the current search expression, if any, and use only this search
condition.
- AUSEARCH_RULE_OR
- If a search expression E is already configured, replace it by
( E || this_search_condition).
- AUSEARCH_RULE_AND
- If a search expression E is already configured, replace it by
( E &&
this_search_condition).
RETURN VALUE¶
Returns -1 if an error occurs; otherwise, 0 for success.
APPLICATION USAGE¶
Use
ausearch_add_item(3) and
ausearch_add_interpreted_item(3) to
add conditions that check audit record fields. Use
ausearch_add_expression(3) to add complex search expressions using a
single function call.
SEE ALSO¶
ausearch_add_expression(3),
ausearch_add_item(3),
ausearch_add_interpreted_item(3),
ausearch_add_regex(3),
ausearch_set_stop(3),
ausearch_clear(3),
ausearch_next_event(3),
ausearch-expression(5).
AUTHOR¶
Miloslav Trmac