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/*
* $Id$
*
* Copyright (c) 2008, 2009
* Sten Spans <sten@blinkenlights.nl>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _util_h
#define _util_h
#include <pwd.h>
#define CRIT 0
#define WARN 1
#define INFO 2
#define DEBUG 3
extern int8_t loglevel;
#define my_log(p, ...) __my_log(__func__, p, 0, __VA_ARGS__)
#define my_loge(p, ...) __my_log(__func__, p, errno, __VA_ARGS__)
#define my_fatal(...) __my_fatal(__func__, 0, __VA_ARGS__)
#define my_fatale(...) __my_fatal(__func__, errno, __VA_ARGS__)
void __my_log(const char *func, int8_t prio, int err, const char *fmt, ...);
void __my_fatal(const char *func, int err, const char *fmt, ...) __noreturn;
void *my_malloc(size_t size);
void *my_calloc(size_t, size_t);
char *my_strdup(const char *str);
int my_socket(int af, int type, int proto);
void my_socketpair(int spair[]);
int my_nonblock(int s);
void my_chroot(const char *path) __nonnull();
void my_drop_privs(struct passwd *pwd) __nonnull();
void my_rlimit_child();
int read_line(const char *path, char *line, uint16_t len) __nonnull();
int write_line(const char *path, char *line, uint16_t len) __nonnull();
uint16_t my_chksum(const void *data, size_t length, int cisco) __nonnull();
ssize_t my_mreq(struct parent_req *mreq);
struct netif *netif_iter(struct netif *netif, struct nhead *);
struct netif *subif_iter(struct netif *subif, struct netif *netif);
int netif_excluded(struct netif *netif, struct ehead *);
void netif_protos(struct netif *netif, struct mhead *mqueue);
void netif_descr(struct netif *netif, struct mhead *mqueue);
void portname_abbr(char *);
static inline
struct netif *netif_byindex(struct nhead *netifs, uint32_t index) {
struct netif *netif = NULL;
assert(netifs);
TAILQ_FOREACH(netif, netifs, entries) {
if (netif->index == index)
break;
}
return(netif);
}
static inline
struct netif *netif_byname(struct nhead *netifs, char *name) {
struct netif *netif;
assert((netifs != NULL) && (name != NULL));
TAILQ_FOREACH(netif, netifs, entries) {
if (strcmp(netif->name, name) == 0)
break;
}
return(netif);
}
static inline
struct netif *netif_byaddr(struct nhead *netifs, uint8_t *hwaddr) {
struct netif *netif;
assert((netifs != NULL) && (hwaddr != NULL));
TAILQ_FOREACH(netif, netifs, entries) {
if (memcmp(netif->hwaddr, hwaddr, ETHER_ADDR_LEN) == 0)
break;
}
return(netif);
}
#define PCAP_MAGIC 0xa1b2c3d4
#define PCAP_PKTHDR_SIZ 16
void my_pcap_init(int fd);
void my_pcap_write(struct parent_msg *);
void my_pcap_close();
#endif /* _util_h */
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