1 /* $OpenBSD: syslogd.h,v 1.23 2015/10/23 16:28:52 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 /* Privilege separation */ 24 int priv_init(char *, int, int, int, char **); 25 int priv_open_tty(const char *); 26 int priv_open_log(const char *); 27 FILE *priv_open_utmp(void); 28 FILE *priv_open_config(void); 29 void priv_config_parse_done(void); 30 int priv_config_modified(void); 31 int priv_getaddrinfo(char *, char *, char *, struct sockaddr *, size_t); 32 int priv_getnameinfo(struct sockaddr *, socklen_t, char *, size_t); 33 34 /* Terminal message */ 35 #define TTYMSGTIME 1 /* timeout used by ttymsg */ 36 #define TTYMAXDELAY 256 /* max events in ttymsg */ 37 char *ttymsg(struct iovec *, int, char *); 38 39 /* File descriptor send/recv */ 40 void send_fd(int, int); 41 int receive_fd(int); 42 43 /* The list of domain sockets */ 44 #define MAXUNIX 21 45 extern int nunix; 46 extern char *path_unix[MAXUNIX]; 47 extern char *path_ctlsock; 48 extern int fd_ctlsock, fd_ctlconn, fd_klog, fd_sendsys; 49 extern int fd_udp, fd_udp6, fd_bind, fd_listen, fd_tls, fd_unix[MAXUNIX]; 50 51 #define MAXLINE 8192 /* maximum line length */ 52 #define ERRBUFSIZE 256 53 void logdebug(const char *, ...) __attribute__((__format__ (printf, 1, 2))); 54 extern int Debug; 55 extern int Startup; 56 57 struct ringbuf { 58 char *buf; 59 size_t len, start, end; 60 }; 61 62 struct ringbuf *ringbuf_init(size_t); 63 void ringbuf_free(struct ringbuf *); 64 void ringbuf_clear(struct ringbuf *); 65 size_t ringbuf_used(struct ringbuf *); 66 int ringbuf_append_line(struct ringbuf *, char *); 67 ssize_t ringbuf_to_string(char *, size_t, struct ringbuf *); 68