/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1983, 1988, 1993, 1994 * 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. 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. */ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2018 Prodrive Technologies, https://prodrive-technologies.com/ * Author: Ed Schouten <ed@FreeBSD.org> * Copyright (c) 2023 The FreeBSD Foundation * * This software was developed by Jake Freeland <jfree@FreeBSD.org> * under sponsorship from the FreeBSD Foundation. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ #ifndef _SYSLOGD_H_ #define _SYSLOGD_H_ #include <sys/param.h> #include <sys/nv.h> #include <sys/queue.h> #include <sys/time.h> #include <sys/uio.h> #define SYSLOG_NAMES #include <sys/syslog.h> #include <regex.h> #include <stdbool.h> #include <stdio.h> #include "ttymsg.h" #define MAXLINE 8192 /* maximum line length */ #define MAXSVLINE MAXLINE /* maximum saved line length */ #define MAXUNAMES 20 /* maximum number of user names */ /* Timestamps of log entries. */ struct logtime { struct tm tm; suseconds_t usec; }; enum filt_proptype { FILT_PROP_NOOP, FILT_PROP_MSG, FILT_PROP_HOSTNAME, FILT_PROP_PROGNAME, }; enum filt_cmptype { FILT_CMP_CONTAINS, FILT_CMP_EQUAL, FILT_CMP_STARTS, FILT_CMP_REGEX, }; /* * This structure holds a property-based filter */ struct prop_filter { enum filt_proptype prop_type; enum filt_cmptype cmp_type; uint8_t cmp_flags; #define FILT_FLAG_EXCLUDE (1 << 0) #define FILT_FLAG_EXTENDED (1 << 1) #define FILT_FLAG_ICASE (1 << 2) char *pflt_strval; regex_t *pflt_re; }; enum f_type { F_UNUSED, /* unused entry */ F_FILE, /* regular file */ F_TTY, /* terminal */ F_CONSOLE, /* console terminal */ F_FORW, /* remote machine */ F_USERS, /* list of users */ F_WALL, /* everyone logged on */ F_PIPE, /* pipe to program */ }; struct forw_addr { struct sockaddr_storage laddr; struct sockaddr_storage raddr; }; /* * This structure represents the files that will have log * copies printed. * We require f_file to be valid if f_type is F_FILE, F_CONSOLE, F_TTY * or if f_type is F_PIPE and f_pid > 0. */ struct filed { enum f_type f_type; /* Used for filtering. */ char f_host[MAXHOSTNAMELEN]; /* host from which to recd. */ char f_program[MAXPATHLEN]; /* program this applies to */ struct prop_filter *f_prop_filter; /* property-based filter */ u_char f_pmask[LOG_NFACILITIES+1]; /* priority mask */ u_char f_pcmp[LOG_NFACILITIES+1]; /* compare priority */ #define PRI_LT 0x1 #define PRI_EQ 0x2 #define PRI_GT 0x4 /* Logging destinations. */ int f_file; /* file descriptor */ int f_flags; /* file-specific flags */ #define FFLAG_SYNC 0x01 #define FFLAG_NEEDSYNC 0x02 union { char f_uname[MAXUNAMES][MAXLOGNAME]; /* F_WALL, F_USERS */ char f_fname[MAXPATHLEN]; /* F_FILE, F_CONSOLE, F_TTY */ struct { char f_hname[MAXHOSTNAMELEN]; int *f_addr_fds; size_t f_num_addr_fds; struct forw_addr *f_addrs; }; /* F_FORW */ struct { char f_pname[MAXPATHLEN]; int f_procdesc; struct deadq_entry *f_dq; }; /* F_PIPE */ }; /* Book-keeping. */ char f_prevline[MAXSVLINE]; /* last message logged */ time_t f_time; /* time this was last written */ struct logtime f_lasttime; /* time of last occurrence */ int f_prevpri; /* pri of f_prevline */ size_t f_prevlen; /* length of f_prevline */ int f_prevcount; /* repetition cnt of prevline */ u_int f_repeatcount; /* number of "repeated" msgs */ STAILQ_ENTRY(filed) next; /* next in linked list */ }; /* * List of iovecs to which entries can be appended. * Used for constructing the message to be logged. */ struct iovlist { struct iovec iov[TTYMSG_IOV_MAX]; size_t iovcnt; size_t totalsize; }; extern const char *ConfFile; extern char LocalHostName[MAXHOSTNAMELEN]; void closelogfiles(void); void logerror(const char *); int p_open(const char *, pid_t *); nvlist_t *readconfigfile(const char *); void wallmsg(const struct filed *, struct iovec *, const int); #endif /* !_SYSLOGD_H_ */
