NetBSD-5.0.2/dist/dhcp/omapip/errwarn.c
/* errwarn.c
Errors and warnings... */
/*
* Copyright (c) 1995 RadioMail Corporation.
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1996-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* 950 Charter Street
* Redwood City, CA 94063
* <info@isc.org>
* http://www.isc.org/
*
* This software was written for RadioMail Corporation by Ted Lemon
* under a contract with Vixie Enterprises. Further modifications have
* been made for Internet Systems Consortium under a contract
* with Vixie Laboratories.
*/
#ifndef lint
static char copyright[] =
"$Id: errwarn.c,v 1.3 2005/08/11 17:13:30 drochner Exp $ Copyright (c) 2004 Internet Systems Consortium. All rights reserved.\n";
#endif /* not lint */
#include <omapip/omapip_p.h>
#include <errno.h>
#ifdef DEBUG
int log_perror = -1;
#else
int log_perror = 1;
#endif
int log_priority;
void (*log_cleanup) (void);
#define CVT_BUF_MAX 1023
static char mbuf [CVT_BUF_MAX + 1];
static char fbuf [CVT_BUF_MAX + 1];
/* Log an error message, then exit... */
void log_fatal (const char * fmt, ... )
{
va_list list;
do_percentm (fbuf, fmt);
/* %Audit% This is log output. %2004.06.17,Safe%
* If we truncate we hope the user can get a hint from the log.
*/
va_start (list, fmt);
fmt = fbuf;
vsnprintf (mbuf, sizeof mbuf, fmt, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_ERR, "%s", mbuf);
#endif
/* Also log it to stderr? */
if (log_perror) {
write (STDERR_FILENO, mbuf, strlen (mbuf));
write (STDERR_FILENO, "\n", 1);
}
#if !defined (NOMINUM)
log_error ("%s", "");
log_error ("If you did not get this software from ftp.isc.org, please");
log_error ("get the latest from ftp.isc.org and install that before");
log_error ("requesting help.");
log_error ("%s", "");
log_error ("If you did get this software from ftp.isc.org and have not");
log_error ("yet read the README, please read it before requesting help.");
log_error ("If you intend to request help from the dhcp-server@isc.org");
log_error ("mailing list, please read the section on the README about");
log_error ("submitting bug reports and requests for help.");
log_error ("%s", "");
log_error ("Please do not under any circumstances send requests for");
log_error ("help directly to the authors of this software - please");
log_error ("send them to the appropriate mailing list as described in");
log_error ("the README file.");
log_error ("%s", "");
log_error ("exiting.");
#endif
if (log_cleanup)
(*log_cleanup) ();
exit (1);
}
/* Log an error message... */
int log_error (const char * fmt, ...)
{
va_list list;
do_percentm (fbuf, fmt);
/* %Audit% This is log output. %2004.06.17,Safe%
* If we truncate we hope the user can get a hint from the log.
*/
va_start (list, fmt);
fmt = fbuf;
vsnprintf (mbuf, sizeof mbuf, fmt, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_ERR, "%s", mbuf);
#endif
if (log_perror) {
write (STDERR_FILENO, mbuf, strlen (mbuf));
write (STDERR_FILENO, "\n", 1);
}
return 0;
}
/* Log a note... */
int log_info (const char *fmt, ...)
{
va_list list;
do_percentm (fbuf, fmt);
/* %Audit% This is log output. %2004.06.17,Safe%
* If we truncate we hope the user can get a hint from the log.
*/
va_start (list, fmt);
fmt = fbuf;
vsnprintf (mbuf, sizeof mbuf, fmt, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_INFO, "%s", mbuf);
#endif
if (log_perror) {
write (STDERR_FILENO, mbuf, strlen (mbuf));
write (STDERR_FILENO, "\n", 1);
}
return 0;
}
/* Log a debug message... */
int log_debug (const char *fmt, ...)
{
va_list list;
do_percentm (fbuf, fmt);
/* %Audit% This is log output. %2004.06.17,Safe%
* If we truncate we hope the user can get a hint from the log.
*/
va_start (list, fmt);
fmt = fbuf;
vsnprintf (mbuf, sizeof mbuf, fmt, list);
va_end (list);
#ifndef DEBUG
syslog (log_priority | LOG_DEBUG, "%s", mbuf);
#endif
if (log_perror) {
write (STDERR_FILENO, mbuf, strlen (mbuf));
write (STDERR_FILENO, "\n", 1);
}
return 0;
}
/* Find %m in the input string and substitute an error message string. */
void do_percentm (obuf, ibuf)
char *obuf;
const char *ibuf;
{
const char *s = ibuf;
char *p = obuf;
int infmt = 0;
const char *m;
int len = 0;
while (*s) {
if (infmt) {
if (*s == 'm') {
#ifndef __CYGWIN32__
m = strerror (errno);
#else
m = pWSAError ();
#endif
if (!m)
m = "<unknown error>";
len += strlen (m);
if (len > CVT_BUF_MAX)
goto out;
strcpy (p - 1, m);
p += strlen (p);
++s;
} else {
if (++len > CVT_BUF_MAX)
goto out;
*p++ = *s++;
}
infmt = 0;
} else {
if (*s == '%')
infmt = 1;
if (++len > CVT_BUF_MAX)
goto out;
*p++ = *s++;
}
}
out:
*p = 0;
}
#ifdef NO_STRERROR
char *strerror (err)
int err;
{
extern char *sys_errlist [];
extern int sys_nerr;
static char errbuf [128];
if (err < 0 || err >= sys_nerr) {
sprintf (errbuf, "Error %d", err);
return errbuf;
}
return sys_errlist [err];
}
#endif /* NO_STRERROR */
#ifdef _WIN32
char *pWSAError ()
{
int err = WSAGetLastError ();
switch (err)
{
case WSAEACCES:
return "Permission denied";
case WSAEADDRINUSE:
return "Address already in use";
case WSAEADDRNOTAVAIL:
return "Cannot assign requested address";
case WSAEAFNOSUPPORT:
return "Address family not supported by protocol family";
case WSAEALREADY:
return "Operation already in progress";
case WSAECONNABORTED:
return "Software caused connection abort";
case WSAECONNREFUSED:
return "Connection refused";
case WSAECONNRESET:
return "Connection reset by peer";
case WSAEDESTADDRREQ:
return "Destination address required";
case WSAEFAULT:
return "Bad address";
case WSAEHOSTDOWN:
return "Host is down";
case WSAEHOSTUNREACH:
return "No route to host";
case WSAEINPROGRESS:
return "Operation now in progress";
case WSAEINTR:
return "Interrupted function call";
case WSAEINVAL:
return "Invalid argument";
case WSAEISCONN:
return "Socket is already connected";
case WSAEMFILE:
return "Too many open files";
case WSAEMSGSIZE:
return "Message too long";
case WSAENETDOWN:
return "Network is down";
case WSAENETRESET:
return "Network dropped connection on reset";
case WSAENETUNREACH:
return "Network is unreachable";
case WSAENOBUFS:
return "No buffer space available";
case WSAENOPROTOOPT:
return "Bad protocol option";
case WSAENOTCONN:
return "Socket is not connected";
case WSAENOTSOCK:
return "Socket operation on non-socket";
case WSAEOPNOTSUPP:
return "Operation not supported";
case WSAEPFNOSUPPORT:
return "Protocol family not supported";
case WSAEPROCLIM:
return "Too many processes";
case WSAEPROTONOSUPPORT:
return "Protocol not supported";
case WSAEPROTOTYPE:
return "Protocol wrong type for socket";
case WSAESHUTDOWN:
return "Cannot send after socket shutdown";
case WSAESOCKTNOSUPPORT:
return "Socket type not supported";
case WSAETIMEDOUT:
return "Connection timed out";
case WSAEWOULDBLOCK:
return "Resource temporarily unavailable";
case WSAHOST_NOT_FOUND:
return "Host not found";
#if 0
case WSA_INVALID_HANDLE:
return "Specified event object handle is invalid";
case WSA_INVALID_PARAMETER:
return "One or more parameters are invalid";
case WSAINVALIDPROCTABLE:
return "Invalid procedure table from service provider";
case WSAINVALIDPROVIDER:
return "Invalid service provider version number";
case WSA_IO_PENDING:
return "Overlapped operations will complete later";
case WSA_IO_INCOMPLETE:
return "Overlapped I/O event object not in signaled state";
case WSA_NOT_ENOUGH_MEMORY:
return "Insufficient memory available";
#endif
case WSANOTINITIALISED:
return "Successful WSAStartup not yet performer";
case WSANO_DATA:
return "Valid name, no data record of requested type";
case WSANO_RECOVERY:
return "This is a non-recoverable error";
#if 0
case WSAPROVIDERFAILEDINIT:
return "Unable to initialize a service provider";
case WSASYSCALLFAILURE:
return "System call failure";
#endif
case WSASYSNOTREADY:
return "Network subsystem is unavailable";
case WSATRY_AGAIN:
return "Non-authoritative host not found";
case WSAVERNOTSUPPORTED:
return "WINSOCK.DLL version out of range";
case WSAEDISCON:
return "Graceful shutdown in progress";
#if 0
case WSA_OPERATION_ABORTED:
return "Overlapped operation aborted";
#endif
}
return "Unknown WinSock error";
}
#endif /* _WIN32 */