1 /* $OpenBSD: syslogd.h,v 1.35 2021/09/10 15:18:36 bluhm 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 /* Privilege separation */ 27 void priv_init(int, int, int, char **); 28 __dead void priv_exec(char *, int, int, int, char **); 29 int priv_open_tty(const char *); 30 int priv_open_log(const char *); 31 FILE *priv_open_utmp(void); 32 FILE *priv_open_config(void); 33 void priv_config_parse_done(void); 34 int priv_config_modified(void); 35 int priv_getaddrinfo(char *, char *, char *, struct sockaddr *, size_t); 36 int priv_getnameinfo(struct sockaddr *, socklen_t, char *, size_t); 37 38 #define IOVCNT 7 39 40 /* Terminal message */ 41 #define TTYMSGTIME 1 /* timeout used by ttymsg */ 42 #define TTYMAXDELAY 256 /* max events in ttymsg */ 43 void ttymsg(char *, struct iovec *); 44 45 /* File descriptor send/recv */ 46 void send_fd(int, int); 47 int receive_fd(int); 48 49 #define ERRBUFSIZE 256 50 void vlogmsg(int pri, const char *, const char *, va_list); 51 __dead void die(int); 52 extern int Debug; 53 54 struct ringbuf { 55 char *buf; 56 size_t len, start, end; 57 }; 58 59 struct ringbuf *ringbuf_init(size_t); 60 void ringbuf_free(struct ringbuf *); 61 void ringbuf_clear(struct ringbuf *); 62 size_t ringbuf_used(struct ringbuf *); 63 int ringbuf_append_line(struct ringbuf *, char *); 64 ssize_t ringbuf_to_string(char *, size_t, struct ringbuf *); 65