1 /* $OpenBSD: syslogd.h,v 1.36 2022/01/13 10:34:07 martijn Exp $ */ 2 3 /* 4 * Copyright (c) 2014-2017 Alexander Bluhm <bluhm@genua.de> 5 * Copyright (c) 2003 Anil Madhavapeddy <anil@recoil.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/types.h> 21 #include <sys/socket.h> 22 #include <sys/uio.h> 23 24 #include <stdarg.h> 25 26 extern int ZuluTime; 27 28 /* Privilege separation */ 29 void priv_init(int, int, int, char **); 30 __dead void priv_exec(char *, int, int, int, char **); 31 int priv_open_tty(const char *); 32 int priv_open_log(const char *); 33 FILE *priv_open_utmp(void); 34 FILE *priv_open_config(void); 35 void priv_config_parse_done(void); 36 int priv_config_modified(void); 37 int priv_getaddrinfo(char *, char *, char *, struct sockaddr *, size_t); 38 int priv_getnameinfo(struct sockaddr *, socklen_t, char *, size_t); 39 40 #define IOVCNT 7 41 42 /* Terminal message */ 43 #define TTYMSGTIME 1 /* timeout used by ttymsg */ 44 #define TTYMAXDELAY 256 /* max events in ttymsg */ 45 void ttymsg(char *, struct iovec *); 46 47 /* File descriptor send/recv */ 48 void send_fd(int, int); 49 int receive_fd(int); 50 51 #define ERRBUFSIZE 256 52 void vlogmsg(int pri, const char *, const char *, va_list); 53 __dead void die(int); 54 extern int Debug; 55 56 struct ringbuf { 57 char *buf; 58 size_t len, start, end; 59 }; 60 61 struct ringbuf *ringbuf_init(size_t); 62 void ringbuf_free(struct ringbuf *); 63 void ringbuf_clear(struct ringbuf *); 64 size_t ringbuf_used(struct ringbuf *); 65 int ringbuf_append_line(struct ringbuf *, char *); 66 ssize_t ringbuf_to_string(char *, size_t, struct ringbuf *); 67