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/* logging definitions
* Copyright (C) 1998-2001 D. Hugh Redelmeier.
* Copyright (C) 2004 Michael Richardson <mcr@xelerance.com>
*
* 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 <http://www.fsf.org/copyleft/gpl.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.
*
* RCSID $Id: log.h,v 1.54 2004/10/21 19:13:37 mcr Exp $
*/
#include <openswan.h>
#include "oswlog.h"
#ifndef PERPERRLOGDIR
#define PERPERRLOGDIR "/var/log/pluto/peer"
#endif
/* moved common code to library file */
#include "openswan/passert.h"
extern bool
log_to_stderr, /* should log go to stderr? */
log_to_syslog, /* should log go to syslog? */
log_to_perpeer; /* should log go to per-IP file? */
extern const char *base_perpeer_logdir;
extern char **global_argv; /* pointer to first arguments,
* for setproctitle()-like usage */
extern int global_argc;
extern char debug_prefix;
/* used in some messages to distiguish
* which pluto is which, when doing
* unit testing
*/
extern const char *pluto_ifn_inst;
/* maximum number of files to keep open for per-peer log files */
#define MAX_PEERLOG_COUNT 16
/* Context for logging.
*
* Global variables: must be carefully adjusted at transaction boundaries!
* All are to be left in RESET condition and will be checked.
* There are several pairs of routines to set and reset them.
* If the context provides a whack file descriptor, messages
* should be copied to it -- see whack_log()
*/
extern int whack_log_fd; /* only set during whack_handle() */
extern struct state *cur_state; /* current state, for diagnostics */
extern struct connection *cur_connection; /* current connection, for diagnostics */
extern const ip_address *cur_from; /* source of current current message */
extern u_int16_t cur_from_port; /* host order */
extern bool whack_prompt_for(int whackfd
, const char *prompt1
, const char *prompt2
, bool echo
, char *ansbuf, size_t ansbuf_len);
extern void passert_fail(const char *pred_str
, const char *file_str
, unsigned long line_no) NEVER_RETURNS;
#ifdef DEBUG
extern void extra_debugging(const struct connection *c);
extern void set_debugging(lset_t debugging);
# define reset_debugging() { set_debugging(base_debugging); }
# define GLOBALS_ARE_RESET() (whack_log_fd == NULL_FD \
&& cur_state == NULL \
&& cur_connection == NULL \
&& cur_from == NULL \
&& cur_debugging == base_debugging)
#else /*!DEBUG*/
# define extra_debugging(c) { }
# define reset_debugging() { }
# define GLOBALS_ARE_RESET() (whack_log_fd == NULL_FD \
&& cur_state == NULL \
&& cur_connection == NULL \
&& cur_from == NULL)
#endif /*!DEBUG*/
#define reset_globals() { \
whack_log_fd = NULL_FD; \
cur_state = NULL; \
cur_from = NULL; \
reset_cur_connection(); \
}
#define set_cur_connection(c) { \
cur_connection = (c); \
extra_debugging(c); \
}
#define reset_cur_connection() { \
cur_connection = NULL; \
reset_debugging(); \
}
#define set_cur_state(s) { \
cur_state = (s); \
extra_debugging((s)->st_connection); \
}
#define reset_cur_state() { \
cur_state = NULL; \
reset_debugging(); \
}
extern void pluto_init_log(void);
extern void close_log(void);
extern void plog(const char *message, ...) PRINTF_LIKE(1);
extern void exit_log(const char *message, ...) PRINTF_LIKE(1) NEVER_RETURNS;
/* close of all per-peer logging */
extern void close_peerlog(void);
/* free all per-peer log resources */
extern void perpeer_logfree(struct connection *c);
/* the following routines do a dance to capture errno before it is changed
* A call must doubly parenthesize the argument list (no varargs macros).
* The first argument must be "e", the local variable that captures errno.
*/
#define log_errno(a) { int e = errno; log_errno_routine a; }
extern void log_errno_routine(int e, const char *message, ...) PRINTF_LIKE(2);
#define exit_log_errno(a) { int e = errno; exit_log_errno_routine a; }
extern void exit_log_errno_routine(int e, const char *message, ...) PRINTF_LIKE(2) NEVER_RETURNS NEVER_RETURNS;
extern void whack_log(int mess_no, const char *message, ...) PRINTF_LIKE(2);
/* Log to both main log and whack log
* Much like log, actually, except for specifying mess_no.
*/
extern void loglog(int mess_no, const char *message, ...) PRINTF_LIKE(2);
/* show status, usually on whack log */
extern void show_status(void);
/* ip_str: a simple to use variant of addrtot.
* It stores its result in a static buffer.
* This means that newer calls overwrite the storage of older calls.
* Note: this is not used in any of the logging functions, so their
* callers may use it.
*/
extern const char *ip_str(const ip_address *src);
/*
* call this routine to reset daily items.
*/
extern void daily_log_reset(void);
extern void daily_log_event(void);
/*
* some events are to be logged only occasionally.
*/
extern bool logged_txt_warning;
extern bool logged_myid_ip_txt_warning;
extern bool logged_myid_ip_key_warning;
extern bool logged_myid_fqdn_txt_warning;
extern bool logged_myid_fqdn_key_warning;
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