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Diffstat (limited to 'usr.sbin/syslogd/syslogd.h')
| -rw-r--r-- | usr.sbin/syslogd/syslogd.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/usr.sbin/syslogd/syslogd.h b/usr.sbin/syslogd/syslogd.h new file mode 100644 index 000000000000..5644dcaf2671 --- /dev/null +++ b/usr.sbin/syslogd/syslogd.h @@ -0,0 +1,205 @@ +/*- + * 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_ */ |