/usr/include/libmowgli-2/dns/dns.h is in libmowgli-2-dev 2.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /*
* Copyright (c) 2012 Elizabeth J. Myers. All rights reserved.
*
* Permission to use, copy, modify, and/or 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MOWGLI_DNS_DNS_H__
#define __MOWGLI_DNS_DNS_H__
/* Longest hostname we're willing to work with */
#define MOWGLI_DNS_RES_HOSTLEN 512
/* Resolver types */
#define MOWGLI_DNS_TYPE_CUSTOM 0
#define MOWGLI_DNS_TYPE_ASYNC 1
#define MOWGLI_DNS_TYPE_HELPER 2
/* Lookup types */
#define MOWGLI_DNS_T_A 1
#define MOWGLI_DNS_T_AAAA 28
#define MOWGLI_DNS_T_PTR 12
#define MOWGLI_DNS_T_CNAME 5
#define MOWGLI_DNS_T_MX 15
#define MOWGLI_DNS_T_TXT 16
#define MOWGLI_DNS_T_SSHFP 44
#define MOWGLI_DNS_T_NULL 10
/* Return codes */
#define MOWGLI_DNS_RES_SUCCESS 0
#define MOWGLI_DNS_RES_NXDOMAIN 1
#define MOWGLI_DNS_RES_INVALID 2
#define MOWGLI_DNS_RES_TIMEOUT 3
typedef struct _mowgli_dns_t mowgli_dns_t;
typedef struct _mowgli_dns_query_t mowgli_dns_query_t;
typedef struct _mowgli_dns_reply_t mowgli_dns_reply_t;
typedef struct
{
int (*mowgli_dns_init_func_t)(mowgli_dns_t *, mowgli_eventloop_t *);
void (*mowgli_dns_fini_func_t)(mowgli_dns_t *);
int (*mowgli_dns_restart_func_t)(mowgli_dns_t *);
void (*mowgli_dns_delete_query_func_t)(mowgli_dns_t *, const mowgli_dns_query_t *);
void (*mowgli_dns_gethost_byname_func_t)(mowgli_dns_t *, const char *, mowgli_dns_query_t *, int);
void (*mowgli_dns_gethost_byaddr_func_t)(mowgli_dns_t *, const struct sockaddr_storage *, mowgli_dns_query_t *);
} mowgli_dns_ops_t;
struct _mowgli_dns_reply_t
{
char *h_name;
mowgli_vio_sockaddr_t addr;
};
struct _mowgli_dns_t
{
int dns_type;
const mowgli_dns_ops_t *dns_ops;
void *dns_state;
};
struct _mowgli_dns_query_t
{
void *ptr; /* pointer used by callback to identify request */
void (*callback)(mowgli_dns_reply_t *reply, int result, void *vptr); /* callback to call */
};
extern mowgli_dns_t *mowgli_dns_create(mowgli_eventloop_t *eventloop, int implementation);
extern int mowgli_dns_init(mowgli_dns_t *dns, mowgli_eventloop_t *eventloop, const mowgli_dns_ops_t *ops);
extern void mowgli_dns_destroy(mowgli_dns_t *dns);
extern int mowgli_dns_restart(mowgli_dns_t *dns);
extern void mowgli_dns_delete_query(mowgli_dns_t *dns, const mowgli_dns_query_t *query);
extern void mowgli_dns_gethost_byname(mowgli_dns_t *dns, const char *name, mowgli_dns_query_t *query, int type);
extern void mowgli_dns_gethost_byaddr(mowgli_dns_t *dns, const struct sockaddr_storage *addr, mowgli_dns_query_t *query);
/* Pull in headers that depend on these types */
#include "evloop_res.h"
#include "evloop_reslib.h"
#endif
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