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/* logging declarations, for libreswan's pluto
*
* Copyright (C) 1998-2001 D. Hugh Redelmeier.
* Copyright (C) 2004 Michael Richardson <mcr@xelerance.com>
* Copyright (C) 2012-2013 Paul Wouters <paul@libreswan.org>
* Copyright (C) 2013 D. Hugh Redelmeier <hugh@mimosa.com>
* Copyright (C) 2019 Andrew Cagney <cagney@gnu.org>
*
* This program 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 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program 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.
*/
#ifndef _PLUTO_LOG_H
#define _PLUTO_LOG_H
#include "lswcdefs.h"
#include "lswlog.h"
#include "fd.h"
#include "ip_endpoint.h"
#include "monotime.h"
struct ike_sa;
struct state;
struct connection;
struct msg_digest;
struct pending;
struct show;
/* moved common code to library file */
#include "passert.h"
struct log_param {
bool log_to_stderr;
char *log_to_file;
bool log_with_timestamp; /* testsuite requires no timestamps */
bool append;
};
/*
* Log 'cur' directly (without setting it first).
*/
struct logger *init_log(const char *progname);
void switch_log(struct log_param, struct logger **logger);
void free_log(void); /* call before report_leaks() */
void close_log(void); /* call after report_leaks() */
void show_log(struct show *s);
extern bool log_to_audit;
extern char *pluto_stats_binary;
extern bool whack_prompt_for(struct ike_sa *ike,
const char *prompt,
bool echo,
char *ansbuf,
size_t ansbuf_len);
void release_whack(struct logger *logger, where_t where);
bool whack_attached(const struct logger *logger);
bool same_whack(const struct logger *lhs, const struct logger *rhs);
void whack_attach_where(struct logger *dst, const struct logger *src, where_t where);
void whack_detach_where(struct logger *dst, const struct logger *src, where_t where);
#define whack_attach(DST, SRC) whack_attach_where(DST, SRC, HERE)
#define whack_detach(DST, SRC) whack_detach_where(DST, SRC, HERE)
void md_attach_where(struct msg_digest *md, const struct logger *src, where_t where);
void md_detach_where(struct msg_digest *md, const struct logger *src, where_t where);
#define md_attach(MD, SRC) md_attach_where(MD, SRC, HERE)
#define md_detach(MD, SRC) md_detach_where(MD, SRC, HERE)
void connection_attach_where(struct connection *c, const struct logger *src, where_t where);
void connection_detach_where(struct connection *c, const struct logger *src, where_t where);
#define connection_attach(C, SRC) connection_attach_where(C, SRC, HERE)
#define connection_detach(C, SRC) connection_detach_where(C, SRC, HERE)
void state_attach_where(struct state *st, const struct logger *src, where_t where);
void state_detach_where(struct state *st, const struct logger *src, where_t where);
#define state_attach(ST, SRC) state_attach_where(ST, SRC, HERE)
#define state_detach(ST, SRC) state_detach_where(ST, SRC, HERE)
/* for pushing state to other subsystems */
#define binlog_refresh_state(st) binlog_state((st), (st)->st_state->kind)
#define binlog_fake_state(st, new_state) binlog_state((st), (new_state))
extern void binlog_state(struct state *st, enum state_kind state);
extern void set_debugging(lset_t deb);
extern const struct logger_object_vec logger_from_vec;
extern const struct logger_object_vec logger_message_vec;
extern const struct logger_object_vec logger_connection_vec;
extern const struct logger_object_vec logger_state_vec;
struct logger *string_logger(where_t where, const char *fmt, ...)
PRINTF_LIKE(2) MUST_USE_RESULT; /* must free */
struct logger logger_from(struct logger *outer, const ip_endpoint *endpoint); /*on-stack*/
struct logger *alloc_logger(void *object, const struct logger_object_vec *vec,
lset_t debugging, where_t where);
struct logger *clone_logger(const struct logger *stack, where_t where);
void free_logger(struct logger **logp, where_t where);
/*
* Wrappers.
*
* XXX: do these help or hinder - would calling log_state() directly
* be better (if slightly more text)? For the moment stick with the
* wrappers so changing the underlying implementation is easier.
*
* XXX: what about whack_log()? That only sends messages to the
* global whack (and never the objects whack). Likely easier to stick
* with whack_log() and manually add the prefix as needed.
*/
/*
* Log the state.
*
* PRI_STATE() / PRI_SA() try to match the llog_sa() prefix.
*/
void log_state(lset_t rc_flags, const struct state *st,
const char *msg, ...) PRINTF_LIKE(3);
#define llog_sa(RC_FLAGS, SA, MSG, ...) llog(RC_FLAGS, (SA)->sa.logger, MSG, ##__VA_ARGS__)
#define ldbg_sa(SA, MSG, ...) ldbg((SA)->sa.logger, MSG, ##__VA_ARGS__)
#define state_buf connection_buf /* hack */
#define PRI_STATE PRI_CONNECTION" "PRI_SO
#define pri_state(ST, B) pri_connection((ST)->st_connection, B), pri_so((ST)->st_serialno)
size_t jam_state(struct jambuf *buf, const struct state *st);
extern void show_setup_plutomain(struct show *s);
extern void show_setup_natt(struct show *s);
enum linux_audit_kind {
LAK_PARENT_START,
LAK_CHILD_START,
LAK_PARENT_DESTROY,
LAK_CHILD_DESTROY,
LAK_PARENT_FAIL,
LAK_CHILD_FAIL
};
extern void linux_audit_conn(const struct state *st, enum linux_audit_kind);
#ifdef USE_LINUX_AUDIT
extern void linux_audit_init(int do_audit, struct logger *logger);
# include <libaudit.h> /* from rpm:audit-libs-devel */
# define AUDIT_LOG_SIZE 256
/* should really be in libaudit.h */
# define AUDIT_RESULT_FAIL 0
# define AUDIT_RESULT_OK 1
# ifndef AUDIT_CRYPTO_IKE_SA
# define AUDIT_CRYPTO_IKE_SA 2408
# endif
# ifndef AUDIT_CRYPTO_IPSEC_SA
# define AUDIT_CRYPTO_IPSEC_SA 2409
# endif
#endif
#endif /* _PLUTO_LOG_H */
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