3 * - useful general-purpose resolver client program, header file
7 * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
9 * It is part of adns, which is
10 * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
11 * Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2, or (at your option)
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software Foundation,
25 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #ifndef ADNSHOST_H_INCLUDED
29 #define ADNSHOST_H_INCLUDED
41 #include <sys/types.h>
42 #include <sys/socket.h>
43 #include <netinet/in.h>
44 #include <arpa/inet.h>
51 #ifdef ADNS_REGRESS_TEST
52 # include "hredirect.h"
55 /* declarations related to option processing */
58 typedef void optfunc(const struct optioninfo
*oi
, const char *arg
, const char *arg2
);
63 ot_flag
, ot_value
, ot_func
, ot_funcarg
, ot_funcarg2
66 const char *sopt
, *lopt
;
69 const char *argdesc
, *argdesc2
;
72 enum ttlmode
{ tm_none
, tm_rel
, tm_abs
};
73 enum outputformat
{ fmt_default
, fmt_simple
, fmt_inline
, fmt_asynch
};
75 struct perqueryflags_remember
{
76 int show_owner
, show_type
, show_cname
;
80 extern int ov_env
, ov_pipe
, ov_asynch
;
81 extern int ov_verbose
;
82 extern adns_rrtype ov_type
;
83 extern int ov_search
, ov_qc_query
, ov_qc_anshost
, ov_qc_cname
;
84 extern int ov_tcp
, ov_cname
, ov_format
;
86 extern struct perqueryflags_remember ov_pqfr
;
88 extern optfunc of_config
, of_version
, of_help
, of_type
, of_ptr
, of_reverse
;
89 extern optfunc of_asynch_id
, of_cancel_id
;
91 const struct optioninfo
*opt_findl(const char *opt
);
92 const struct optioninfo
*opt_finds(const char **optp
);
93 void opt_do(const struct optioninfo
*oip
, int invert
, const char *arg
, const char *arg2
);
95 /* declarations related to query processing */
98 struct query_node
*next
, *back
;
99 struct perqueryflags_remember pqfr
;
104 extern adns_state ads
;
105 extern struct outstanding_list
{ struct query_node
*head
, *tail
; } outstanding
;
107 void ensure_adns_init(void);
108 void query_do(const char *domain
);
109 void query_done(struct query_node
*qun
, adns_answer
*answer
);
111 /* declarations related to main program and useful utility functions */
113 void sysfail(const char *what
, int errnoval
) NONRETURNING
;
114 void usageerr(const char *what
, ...) NONRETURNPRINTFFORMAT(1,2);
115 void outerr(void) NONRETURNING
;
117 void *xmalloc(size_t sz
);
118 char *xstrsave(const char *str
);
121 extern const char *config_text
; /* 0 => use defaults */