1 /* $OpenBSD: syslogd.h,v 1.31 2017/08/08 14:23:23 bluhm Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Anil Madhavapeddy <anil@recoil.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 #include <sys/socket.h> 21 #include <sys/uio.h> 22 23 #include <stdarg.h> 24 25 /* Privilege separation */ 26 void priv_init(int, int, int, char **); 27 __dead void priv_exec(char *, int, int, int, char **); 28 int priv_open_tty(const char *); 29 int priv_open_log(const char *); 30 FILE *priv_open_utmp(void); 31 FILE *priv_open_config(void); 32 void priv_config_parse_done(void); 33 int priv_config_modified(void); 34 int priv_getaddrinfo(char *, char *, char *, struct sockaddr *, size_t); 35 int priv_getnameinfo(struct sockaddr *, socklen_t, char *, size_t); 36 37 /* Terminal message */ 38 #define TTYMSGTIME 1 /* timeout used by ttymsg */ 39 #define TTYMAXDELAY 256 /* max events in ttymsg */ 40 void ttymsg(struct iovec *, int, char *); 41 42 /* File descriptor send/recv */ 43 void send_fd(int, int); 44 int receive_fd(int); 45 46 /* The list of domain sockets */ 47 extern int nunix; 48 extern char **path_unix; 49 extern char *path_ctlsock; 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