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/* show functions, for libreswan
*
* Copyright (C) 1997 Angelos D. Keromytis.
* Copyright (C) 1998-2001,2013 D. Hugh Redelmeier <hugh@mimosa.com>
* Copyright (C) 2005-2007 Michael Richardson
* Copyright (C) 2006-2010 Bart Trojanowski
* Copyright (C) 2008-2012 Paul Wouters
* Copyright (C) 2008-2010 David McCullough.
* Copyright (C) 2012 Paul Wouters <paul@libreswan.org>
* Copyright (C) 2013-2019 Paul Wouters <pwouters@redhat.com>
* Copyright (C) 2013 Tuomo Soini <tis@foobar.fi>
* Copyright (C) 2017-2019 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.
*
*/
#include "sysdep.h"
#include "constants.h"
#include "lswconf.h"
#include "fips_mode.h"
#include "defs.h"
#include "log.h"
#include "server.h"
#include "state.h"
#include "pluto_stats.h"
#include "connections.h"
#include "kernel.h"
#include "virtual_ip.h"
#include "plutoalg.h"
#include "crypto.h"
#include "ikev1_db_ops.h"
#include "iface.h"
#include "show.h"
#ifdef USE_SECCOMP
#include "pluto_seccomp.h"
#endif
struct show {
/*
* where to send the output
*/
struct logger *logger;
/*
* Should the next output be preceded by a blank line?
*/
enum separation { NO_SEPARATOR = 1, HAD_OUTPUT, SEPARATE_NEXT_OUTPUT, } separator;
/*
* Where to build the messages.
*/
struct logjam logjam;
};
struct show *alloc_show(struct logger *logger)
{
struct show s = {
.separator = NO_SEPARATOR,
.logger = logger,
};
return clone_thing(s, "on show");
}
static void blank_line(struct show *s)
{
/* XXX: must not use s->jambuf */
char blank_buf[sizeof(" "/*\0*/) + 1/*canary*/ + 1/*why-not*/];
struct jambuf buf = ARRAY_AS_JAMBUF(blank_buf);
jam_string(&buf, " ");
jambuf_to_logger(&buf, s->logger, WHACK_STREAM);
}
void free_show(struct show **sp)
{
{
struct show *s = *sp;
switch (s->separator) {
case NO_SEPARATOR:
case HAD_OUTPUT:
break;
case SEPARATE_NEXT_OUTPUT:
blank_line(s);
break;
default:
bad_case(s->separator);
}
}
pfree(*sp);
*sp = NULL;
}
void show_separator(struct show *s)
{
switch (s->separator) {
case NO_SEPARATOR:
break;
case HAD_OUTPUT:
case SEPARATE_NEXT_OUTPUT:
s->separator = SEPARATE_NEXT_OUTPUT;
break;
default:
bad_case(s->separator);
break;
}
}
void show_blank(struct show *s)
{
s->separator = SEPARATE_NEXT_OUTPUT;
}
struct jambuf *show_jambuf(struct show *s, enum rc_type rc)
{
pexpect(rc == RC_LOG ||
rc == RC_UNKNOWN_NAME/*show_traffic_status()*/);
return jambuf_from_logjam(&s->logjam, s->logger,
/*pluto_exit_code*/0,
/*where*/NULL,
WHACK_STREAM|rc|NO_PREFIX);
}
struct logger *show_logger(struct show *s)
{
return s->logger;
}
void show_to_logger(struct show *s)
{
switch (s->separator) {
case NO_SEPARATOR:
case HAD_OUTPUT:
break;
case SEPARATE_NEXT_OUTPUT:
blank_line(s);
break;
default:
bad_case(s->separator);
}
logjam_to_logger(&s->logjam);
s->separator = HAD_OUTPUT;
}
VPRINTF_LIKE(3)
static void show_rc_va_list(struct show *s, enum rc_type rc,
const char *message, va_list ap)
{
struct jambuf *buf = show_jambuf(s, rc);
jam_va_list(buf, message, ap);
show_to_logger(s);
}
void show(struct show *s, const char *message, ...)
{
va_list ap;
va_start(ap, message);
show_rc_va_list(s, RC_LOG, message, ap);
va_end(ap);
}
void whack_log(enum rc_type rc, struct show *s, const char *message, ...)
{
va_list ap;
va_start(ap, message);
show_rc_va_list(s, rc, message, ap);
va_end(ap);
}
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