mirror of git://anongit.mindrot.org/openssh.git
139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
/*
|
|
|
|
log-client.c
|
|
|
|
Author: Tatu Ylonen <ylo@cs.hut.fi>
|
|
|
|
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
|
All rights reserved
|
|
|
|
Created: Mon Mar 20 21:13:40 1995 ylo
|
|
|
|
Client-side versions of debug(), log(), etc. These print to stderr.
|
|
|
|
*/
|
|
|
|
#include "includes.h"
|
|
RCSID("$Id: log-client.c,v 1.1 1999/10/27 03:42:44 damien Exp $");
|
|
|
|
#include "xmalloc.h"
|
|
#include "ssh.h"
|
|
|
|
static int log_debug = 0;
|
|
static int log_quiet = 0;
|
|
|
|
void log_init(char *av0, int on_stderr, int debug, int quiet,
|
|
SyslogFacility facility)
|
|
{
|
|
log_debug = debug;
|
|
log_quiet = quiet;
|
|
}
|
|
|
|
void log(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (log_quiet)
|
|
return;
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
fprintf(stderr, "\r\n");
|
|
va_end(args);
|
|
}
|
|
|
|
void debug(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
if (log_quiet || !log_debug)
|
|
return;
|
|
va_start(args, fmt);
|
|
fprintf(stderr, "debug: ");
|
|
vfprintf(stderr, fmt, args);
|
|
fprintf(stderr, "\r\n");
|
|
va_end(args);
|
|
}
|
|
|
|
void error(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
if (log_quiet)
|
|
return;
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
fprintf(stderr, "\r\n");
|
|
va_end(args);
|
|
}
|
|
|
|
struct fatal_cleanup
|
|
{
|
|
struct fatal_cleanup *next;
|
|
void (*proc)(void *);
|
|
void *context;
|
|
};
|
|
|
|
static struct fatal_cleanup *fatal_cleanups = NULL;
|
|
|
|
/* Registers a cleanup function to be called by fatal() before exiting. */
|
|
|
|
void fatal_add_cleanup(void (*proc)(void *), void *context)
|
|
{
|
|
struct fatal_cleanup *cu;
|
|
|
|
cu = xmalloc(sizeof(*cu));
|
|
cu->proc = proc;
|
|
cu->context = context;
|
|
cu->next = fatal_cleanups;
|
|
fatal_cleanups = cu;
|
|
}
|
|
|
|
/* Removes a cleanup frunction to be called at fatal(). */
|
|
|
|
void fatal_remove_cleanup(void (*proc)(void *context), void *context)
|
|
{
|
|
struct fatal_cleanup **cup, *cu;
|
|
|
|
for (cup = &fatal_cleanups; *cup; cup = &cu->next)
|
|
{
|
|
cu = *cup;
|
|
if (cu->proc == proc && cu->context == context)
|
|
{
|
|
*cup = cu->next;
|
|
xfree(cu);
|
|
return;
|
|
}
|
|
}
|
|
fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx\n",
|
|
(unsigned long)proc, (unsigned long)context);
|
|
}
|
|
|
|
/* Function to display an error message and exit. This is in this file because
|
|
this needs to restore terminal modes before exiting. See log-client.c
|
|
for other related functions. */
|
|
|
|
void fatal(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
struct fatal_cleanup *cu, *next_cu;
|
|
static int fatal_called = 0;
|
|
|
|
if (!fatal_called)
|
|
{
|
|
fatal_called = 1;
|
|
|
|
/* Call cleanup functions. */
|
|
for (cu = fatal_cleanups; cu; cu = next_cu)
|
|
{
|
|
next_cu = cu->next;
|
|
(*cu->proc)(cu->context);
|
|
}
|
|
}
|
|
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
fprintf(stderr, "\r\n");
|
|
va_end(args);
|
|
exit(255);
|
|
}
|
|
|
|
/* fatal() is in ssh.c so that it can properly reset terminal modes. */
|