diff options
Diffstat (limited to 'omapip/errwarn.c')
| -rw-r--r-- | omapip/errwarn.c | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/omapip/errwarn.c b/omapip/errwarn.c new file mode 100644 index 0000000..722c3fc --- /dev/null +++ b/omapip/errwarn.c @@ -0,0 +1,364 @@ +/* errwarn.c + + Errors and warnings... */ + +/* + * Copyright (c) 1995 RadioMail Corporation. + * Copyright (c) 2004,2007,2009 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> + * https://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. + */ + +#include "dhcpd.h" + +#include <omapip/omapip_p.h> +#include <errno.h> +#include <syslog.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); + vsnprintf (mbuf, sizeof mbuf, fbuf, list); + va_end (list); + +#ifndef DEBUG + syslog (log_priority | LOG_ERR, "%s", mbuf); +#endif + + /* Also log it to stderr? */ + if (log_perror) { + IGNORE_RET (write (STDERR_FILENO, mbuf, strlen (mbuf))); + IGNORE_RET (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); + vsnprintf (mbuf, sizeof mbuf, fbuf, list); + va_end (list); + +#ifndef DEBUG + syslog (log_priority | LOG_ERR, "%s", mbuf); +#endif + + if (log_perror) { + IGNORE_RET (write (STDERR_FILENO, mbuf, strlen (mbuf))); + IGNORE_RET (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); + vsnprintf (mbuf, sizeof mbuf, fbuf, list); + va_end (list); + +#ifndef DEBUG + syslog (log_priority | LOG_INFO, "%s", mbuf); +#endif + + if (log_perror) { + IGNORE_RET (write (STDERR_FILENO, mbuf, strlen (mbuf))); + IGNORE_RET (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); + vsnprintf (mbuf, sizeof mbuf, fbuf, list); + va_end (list); + +#ifndef DEBUG + syslog (log_priority | LOG_DEBUG, "%s", mbuf); +#endif + + if (log_perror) { + IGNORE_RET (write (STDERR_FILENO, mbuf, strlen (mbuf))); + IGNORE_RET (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 */ |