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--- Libc/Libc-583/gen/syslog.c
+++ /dev/null
@@ -1,567 +0,0 @@
-/*
- * Copyright (c) 1999-2008 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1993
- * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 THE REGENTS 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 THE REGENTS 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.
- */
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/syslog.h>
-#include <sys/uio.h>
-#include <sys/un.h>
-#include <netdb.h>
-#include <mach/mach.h>
-#include <servers/bootstrap.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <paths.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <time.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <notify.h>
-#include <asl.h>
-#include <asl_private.h>
-#include <asl_ipc.h>
-
-#ifdef __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-#include <crt_externs.h>
-
-#define LOG_NO_NOTIFY 0x1000
-#define INTERNALLOG LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID
-
-#ifdef BUILDING_VARIANT
-__private_extern__ int _sl_LogStat; /* status bits, set by openlog() */
-__private_extern__ const char *_sl_LogTag; /* string to tag the entry with */
-__private_extern__ int _sl_LogFacility; /* default facility code */
-__private_extern__ int _sl_LogMask; /* local mask of priorities to be logged */
-__private_extern__ int _sl_MasterLogMask; /* master (remote control) mask of priorities to be logged */
-__private_extern__ int _sl_ProcLogMask; /* process-specific (remote control) mask of priorities to be logged */
-__private_extern__ int _sl_RCToken; /* for remote control change notification */
-__private_extern__ int _sl_NotifyToken; /* for remote control of priority filter */
-__private_extern__ int _sl_NotifyMaster; /* for remote control of priority filter */
-__private_extern__ int _sl_pid; /* pid */
-#else /* !BUILDING_VARIANT */
-__private_extern__ int _sl_LogStat = 0; /* status bits, set by openlog() */
-__private_extern__ const char *_sl_LogTag = NULL; /* string to tag the entry with */
-__private_extern__ int _sl_LogFacility = LOG_USER; /* default facility code */
-__private_extern__ int _sl_LogMask = 0xff; /* mask of priorities to be logged */
-__private_extern__ int _sl_MasterLogMask = 0; /* master mask of priorities to be logged */
-__private_extern__ int _sl_ProcLogMask = 0; /* process-specific mask of priorities to be logged */
-__private_extern__ int _sl_RCToken = -1; /* for remote control change notification */
-__private_extern__ int _sl_NotifyToken = -1; /* for remote control of max logged priority */
-__private_extern__ int _sl_NotifyMaster = -1; /* for remote control of max logged priority */
-__private_extern__ int _sl_pid = -1; /* pid */
-#endif /* BUILDING_VARIANT */
-
-__private_extern__ void _sl_init_notify();
-
-#define ASL_SERVICE_NAME "com.apple.system.logger"
-static mach_port_t asl_server_port = MACH_PORT_NULL;
-
-#define NOTIFY_SYSTEM_MASTER "com.apple.system.syslog.master"
-#define NOTIFY_PREFIX_SYSTEM "com.apple.system.syslog"
-#define NOTIFY_PREFIX_USER "user.syslog"
-#define NOTIFY_STATE_OFFSET 1000
-
-/* notify SPI */
-uint32_t notify_register_plain(const char *name, int *out_token);
-const char *asl_syslog_faciliy_num_to_name(int);
-
-/*
- * syslog, vsyslog --
- * print message on log file; output is intended for syslogd(8).
- */
-void
-#ifdef __STDC__
-syslog(int pri, const char *fmt, ...)
-#else
-syslog(pri, fmt, va_alist)
- int pri;
- char *fmt;
- va_dcl
-#endif
-{
- va_list ap;
-
-#ifdef __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- vsyslog(pri, fmt, ap);
- va_end(ap);
-}
-
-void
-vsyslog(int pri, const char *fmt, va_list ap)
-{
- int status, i, saved_errno, filter, check, rc_filter;
- time_t tick;
- struct timeval tval;
- uint32_t elen, count, outlen;
- char *p, *str, *expanded, *err_str, hname[MAXHOSTNAMELEN+1];
- const char *val;
- uint64_t cval;
- int fd, mask, level, facility;
- aslmsg msg;
- kern_return_t kstatus;
- caddr_t out;
-
- saved_errno = errno;
-
- if (_sl_pid == -1) _sl_pid = getpid();
-
- /* Check for invalid bits. */
- if (pri & ~(LOG_PRIMASK | LOG_FACMASK))
- {
- syslog(INTERNALLOG, "syslog: unknown facility/priority: %x", pri);
- pri &= (LOG_PRIMASK | LOG_FACMASK);
- }
-
- level = LOG_PRI(pri);
- facility = pri & LOG_FACMASK;
-
- if (facility == 0) facility = _sl_LogFacility;
-
- _sl_init_notify();
-
- /* initialize or re-check process-specific and master filters */
- if (_sl_RCToken >= 0)
- {
- check = 0;
- status = notify_check(_sl_RCToken, &check);
- if ((status == NOTIFY_STATUS_OK) && (check != 0))
- {
- if (_sl_NotifyMaster >= 0)
- {
- cval = 0;
- if (notify_get_state(_sl_NotifyMaster, &cval) == NOTIFY_STATUS_OK) _sl_MasterLogMask = cval;
- }
-
- if (_sl_NotifyToken >= 0)
- {
- cval = 0;
- if (notify_get_state(_sl_NotifyToken, &cval) == NOTIFY_STATUS_OK) _sl_ProcLogMask = cval;
- }
- }
- }
-
- filter = _sl_LogMask;
- rc_filter = 0;
-
- /* master filter overrides local filter */
- if (_sl_MasterLogMask != 0)
- {
- filter = _sl_MasterLogMask;
- rc_filter = 1;
- }
-
- /* process-specific filter overrides local and master */
- if (_sl_ProcLogMask != 0)
- {
- filter = _sl_ProcLogMask;
- rc_filter = 1;
- }
-
- mask = LOG_MASK(level);
- if ((mask & filter) == 0) return;
-
- /* Build the message. */
- msg = asl_new(ASL_TYPE_MSG);
-
- if (_sl_LogTag == NULL) _sl_LogTag = *(*_NSGetArgv());
- if (_sl_LogTag != NULL)
- {
- asl_set(msg, ASL_KEY_SENDER, _sl_LogTag);
- }
-
- str = (char *)asl_syslog_faciliy_num_to_name(facility);
- if (str != NULL) asl_set(msg, ASL_KEY_FACILITY, str);
-
- str = NULL;
- memset(&tval, 0, sizeof(struct timeval));
-
- status = gettimeofday(&tval, NULL);
- if (status == 0)
- {
- str = NULL;
- asprintf(&str, "%lu", tval.tv_sec);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_TIME, str);
- free(str);
- }
-
- str = NULL;
- asprintf(&str, "%lu", tval.tv_usec * 1000);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_TIME_NSEC, str);
- free(str);
- }
- }
- else
- {
- tick = time(NULL);
- str = NULL;
- asprintf(&str, "%lu", tick);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_TIME, str);
- free(str);
- }
- }
-
- str = NULL;
- asprintf(&str, "%u", _sl_pid);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_PID, str);
- free(str);
- }
-
- str = NULL;
- asprintf(&str, "%d", getuid());
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_UID, str);
- free(str);
- }
-
- str = NULL;
- asprintf(&str, "%u", getgid());
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_GID, str);
- free(str);
- }
-
- str = NULL;
- asprintf(&str, "%u", level);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_LEVEL, str);
- free(str);
- }
-
- status = gethostname(hname, MAXHOSTNAMELEN);
- if (status < 0) asl_set(msg, ASL_KEY_HOST, "localhost");
- else asl_set(msg, ASL_KEY_HOST, hname);
-
- /* check for %m */
- count = 0;
- for (i = 0; fmt[i] != '\0'; i++)
- {
- if ((fmt[i] == '%') && (fmt[i+1] == 'm')) count++;
- }
-
- expanded = NULL;
- elen = 0;
- err_str = NULL;
-
- /* deal with malloc failures gracefully */
- if (count > 0)
- {
- err_str = strdup(strerror(saved_errno));
- if (err_str == NULL) count = 0;
- else
- {
- elen = strlen(err_str);
- expanded = malloc(i + (count * elen));
- if (expanded == NULL) count = 0;
- }
- }
-
- if (expanded == NULL) expanded = (char *)fmt;
- if (count > 0)
- {
- p = expanded;
-
- for (i = 0; fmt[i] != '\0'; i++)
- {
- if ((fmt[i] == '%') && (fmt[i+1] == 'm'))
- {
- memcpy(p, err_str, elen);
- p += elen;
- i++;
- }
- else
- {
- *p++ = fmt[i];
- }
- }
-
- *p = '\0';
- }
-
- if (err_str != NULL) free(err_str);
-
- vasprintf(&str, expanded, ap);
- if (count > 0) free(expanded);
-
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_MSG, str);
-
- /* Output to stderr if requested. */
- if (_sl_LogStat & LOG_PERROR)
- {
- p = NULL;
- if (_sl_LogStat & LOG_PID) asprintf(&p, "%s[%u]: %s", (_sl_LogTag == NULL) ? "???" : _sl_LogTag, _sl_pid, str);
- else asprintf(&p, "%s: %s", (_sl_LogTag == NULL) ? "???" : _sl_LogTag, str);
-
- if (p != NULL)
- {
- struct iovec iov[2];
-
- iov[0].iov_base = p;
- iov[0].iov_len = strlen(p);
- iov[1].iov_base = "\n";
- iov[1].iov_len = 1;
- writev(STDERR_FILENO, iov, 2);
- free(p);
- }
- }
-
- free(str);
- }
-
- /* Set "ASLOption store" if remote control is active */
- if (rc_filter != 0)
- {
- val = asl_get(msg, ASL_KEY_OPTION);
- if (val == NULL)
- {
- asl_set(msg, ASL_KEY_OPTION, ASL_OPT_STORE);
- }
- else
- {
- str = NULL;
- asprintf(&str, "%s %s", ASL_OPT_STORE, val);
- if (str != NULL)
- {
- asl_set(msg, ASL_KEY_OPTION, str);
- free(str);
- str = NULL;
- }
- }
- }
-
- /* send a mach message to syslogd */
- str = asl_format_message(msg, ASL_MSG_FMT_RAW, ASL_TIME_FMT_SEC, ASL_ENCODE_ASL, &count);
- if (str != NULL)
- {
- outlen = count + 11;
- kstatus = vm_allocate(mach_task_self(), (vm_address_t *)&out, outlen + 1, TRUE);
- if (kstatus == KERN_SUCCESS)
- {
- memset(out, 0, outlen + 1);
- snprintf((char *)out, outlen, "%10u %s", count, str);
-
- status = 0;
- if (asl_server_port == MACH_PORT_NULL) kstatus = bootstrap_look_up(bootstrap_port, ASL_SERVICE_NAME, &asl_server_port);
-
- if (kstatus == KERN_SUCCESS) kstatus = _asl_server_message(asl_server_port, (caddr_t)out, outlen + 1);
- else vm_deallocate(mach_task_self(), (vm_address_t)out, outlen + 1);
-
- if (kstatus == KERN_SUCCESS)
- {
- free(str);
- asl_free(msg);
- return;
- }
- }
-
- free(str);
- }
-
- /*
- * Output the message to the console.
- */
- if (_sl_LogStat & LOG_CONS && (fd = open(_PATH_CONSOLE, O_WRONLY | O_NOCTTY | O_NONBLOCK)) >= 0)
- {
- count = 0;
-
- p = asl_format_message(msg, ASL_MSG_FMT_STD, ASL_TIME_FMT_LCL, ASL_ENCODE_SAFE, &count);
- if (p != NULL)
- {
- struct iovec iov;
-
- /* count includes trailing nul */
- iov.iov_len = count - 1;
- iov.iov_base = p;
- writev(fd, &iov, 1);
-
- free(p);
- }
-
- close(fd);
- }
-
- asl_free(msg);
-}
-
-#ifndef BUILDING_VARIANT
-
-__private_extern__ void
-_syslog_fork_child()
-{
- _sl_RCToken = -1;
- _sl_NotifyToken = -1;
- _sl_NotifyMaster = -1;
-
- asl_server_port = MACH_PORT_NULL;
-
- _sl_pid = getpid();
-}
-
-__private_extern__ void
-_sl_init_notify()
-{
- int status;
- char *notify_name;
- uint32_t euid;
-
- if (_sl_LogStat & LOG_NO_NOTIFY)
- {
- _sl_RCToken = -2;
- _sl_NotifyMaster = -2;
- _sl_NotifyToken = -2;
- return;
- }
-
- if (_sl_RCToken == -1)
- {
- status = notify_register_check(NOTIFY_RC, &_sl_RCToken);
- if (status != NOTIFY_STATUS_OK) _sl_RCToken = -2;
- }
-
- if (_sl_NotifyMaster == -1)
- {
- status = notify_register_plain(NOTIFY_SYSTEM_MASTER, &_sl_NotifyMaster);
- if (status != NOTIFY_STATUS_OK) _sl_NotifyMaster = -2;
- }
-
- if (_sl_NotifyToken == -1)
- {
- _sl_NotifyToken = -2;
-
- euid = geteuid();
- notify_name = NULL;
- if (euid == 0) asprintf(¬ify_name, "%s.%d", NOTIFY_PREFIX_SYSTEM, getpid());
- else asprintf(¬ify_name, "user.uid.%d.syslog.%d", euid, getpid());
-
- if (notify_name != NULL)
- {
- status = notify_register_plain(notify_name, &_sl_NotifyToken);
- free(notify_name);
- if (status != NOTIFY_STATUS_OK) _sl_NotifyToken = -2;
- }
- }
-}
-
-void
-openlog(const char *ident, int logstat, int logfac)
-{
- kern_return_t kstatus;
-
- if (ident != NULL) _sl_LogTag = ident;
-
- _sl_LogStat = logstat;
-
- if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0) _sl_LogFacility = logfac;
-
- if (asl_server_port == MACH_PORT_NULL)
- {
- kstatus = bootstrap_look_up(bootstrap_port, ASL_SERVICE_NAME, &asl_server_port);
- }
-
- _sl_pid = getpid();
- _sl_init_notify();
-}
-
-void
-closelog()
-{
- if (asl_server_port != MACH_PORT_NULL) mach_port_deallocate(mach_task_self(), asl_server_port);
- asl_server_port = MACH_PORT_NULL;
-
- if (_sl_NotifyToken != -1) notify_cancel(_sl_NotifyToken);
- _sl_NotifyToken = -1;
-
- if (_sl_NotifyMaster != -1) notify_cancel(_sl_NotifyMaster);
- _sl_NotifyMaster = -1;
-}
-
-/* setlogmask -- set the log mask level */
-int
-setlogmask(int pmask)
-{
- int omask;
-
- omask = _sl_LogMask;
- if (pmask != 0) _sl_LogMask = pmask;
- return (omask);
-}
-
-#endif /* !BUILDING_VARIANT */