/* errwarn.c Errors and warnings... */ /* * Copyright (c) 1996 The Internet Software Consortium. * All Rights Reserved. * Copyright (c) 1995 RadioMail Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of RadioMail Corporation, the Internet Software * Consortium nor the names of its contributors may be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION, THE INTERNET * SOFTWARE CONSORTIUM AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL RADIOMAIL CORPORATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * * This software was written for RadioMail Corporation by Ted Lemon * under a contract with Vixie Enterprises. Further modifications have * been made for the Internet Software Consortium under a contract * with Vixie Laboratories. */ #ifndef lint static char copyright[] = "$Id: errwarn.c,v 1.1.1.2 1997/06/03 02:49:26 mellon Exp $ Copyright (c) 1996 The Internet Software Consortium. All rights reserved.\n"; #endif /* not lint */ #include "dhcpd.h" #include static void do_percentm PROTO ((char *obuf, char *ibuf)); static char mbuf [1024]; static char fbuf [1024]; int warnings_occurred; /* Log an error message, then exit... */ void error (ANSI_DECL(char *) fmt, VA_DOTDOTDOT) KandR (char *fmt;) va_dcl { va_list list; extern int logged_in; do_percentm (fbuf, fmt); VA_start (list, fmt); vsnprintf (mbuf, sizeof mbuf, fbuf, list); va_end (list); #ifndef DEBUG syslog (log_priority | LOG_ERR, mbuf); #endif /* Also log it to stderr? */ if (log_perror) { write (2, mbuf, strlen (mbuf)); write (2, "\n", 1); } syslog (LOG_CRIT, "exiting."); if (log_perror) { fprintf (stderr, "exiting.\n"); fflush (stderr); } cleanup (); exit (1); } /* Log a warning message... */ int warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT) KandR (char *fmt;) va_dcl { va_list list; do_percentm (fbuf, fmt); VA_start (list, fmt); vsnprintf (mbuf, sizeof mbuf, fbuf, list); va_end (list); #ifndef DEBUG syslog (log_priority | LOG_ERR, mbuf); #endif if (log_perror) { write (2, mbuf, strlen (mbuf)); write (2, "\n", 1); } return 0; } /* Log a note... */ int note (ANSI_DECL (char *) fmt, VA_DOTDOTDOT) KandR (char *fmt;) va_dcl { va_list list; do_percentm (fbuf, fmt); VA_start (list, fmt); vsnprintf (mbuf, sizeof mbuf, fbuf, list); va_end (list); #ifndef DEBUG syslog (log_priority | LOG_INFO, mbuf); #endif if (log_perror) { write (2, mbuf, strlen (mbuf)); write (2, "\n", 1); } return 0; } /* Log a debug message... */ int debug (ANSI_DECL (char *) fmt, VA_DOTDOTDOT) KandR (char *fmt;) va_dcl { va_list list; do_percentm (fbuf, fmt); VA_start (list, fmt); vsnprintf (mbuf, sizeof mbuf, fbuf, list); va_end (list); #ifndef DEBUG syslog (log_priority | LOG_DEBUG, mbuf); #endif if (log_perror) { write (2, mbuf, strlen (mbuf)); write (2, "\n", 1); } return 0; } /* Find %m in the input string and substitute an error message string. */ static void do_percentm (obuf, ibuf) char *obuf; char *ibuf; { char *s = ibuf; char *p = obuf; int infmt = 0; char *m; while (*s) { if (infmt) { if (*s == 'm') { #ifndef __CYGWIN32__ m = strerror (errno); #else m = pWSAError (); #endif if (!m) m = ""; strcpy (p - 1, m); p += strlen (p); ++s; } else *p++ = *s++; infmt = 0; } else { if (*s == '%') infmt = 1; *p++ = *s++; } } *p = 0; } int parse_warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT) KandR (char *fmt;) va_dcl { va_list list; static char spaces [] = " "; do_percentm (mbuf, fmt); #ifndef NO_SNPRINTF snprintf (fbuf, sizeof fbuf, "%s line %d: %s", tlname, lexline, mbuf); #else sprintf (fbuf, "%s line %d: %s", tlname, lexline, mbuf); #endif VA_start (list, fmt); vsnprintf (mbuf, sizeof mbuf, fbuf, list); va_end (list); #ifndef DEBUG syslog (log_priority | LOG_ERR, mbuf); syslog (log_priority | LOG_ERR, token_line); if (lexline < 81) syslog (log_priority | LOG_ERR, "%s^", &spaces [sizeof spaces - lexchar]); #endif if (log_perror) { write (2, mbuf, strlen (mbuf)); write (2, "\n", 1); write (2, token_line, strlen (token_line)); write (2, "\n", 1); write (2, spaces, lexchar - 1); write (2, "^\n", 2); } warnings_occurred = 1; return 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 */