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1 | /* |
2 | * adnshost.h |
3 | * - useful general-purpose resolver client program, header file |
4 | */ |
5 | /* |
6 | * This file is |
7 | * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> |
8 | * |
9 | * It is part of adns, which is |
10 | * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> |
11 | * Copyright (C) 1999 Tony Finch <dot@dotat.at> |
12 | * |
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) |
16 | * any later version. |
17 | * |
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. |
22 | * |
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. |
26 | */ |
27 | |
28 | #ifndef ADNSHOST_H_INCLUDED |
29 | #define ADNSHOST_H_INCLUDED |
30 | |
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31 | #include <stdio.h> |
32 | #include <string.h> |
33 | #include <errno.h> |
34 | #include <signal.h> |
35 | #include <stdarg.h> |
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36 | #include <stdlib.h> |
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37 | #include <assert.h> |
38 | |
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39 | #include "config.h" |
40 | #include "adns.h" |
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41 | #include "dlist.h" |
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42 | |
43 | /* declarations related to option processing */ |
44 | |
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45 | struct optioninfo; |
46 | typedef void optfunc(const struct optioninfo *oi, const char *arg); |
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47 | |
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48 | struct optioninfo { |
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49 | enum oi_type { |
50 | ot_end, ot_desconly, |
51 | ot_flag, ot_value, ot_func, ot_funcarg |
52 | } type; |
53 | const char *desc; |
54 | const char *sopt, *lopt; |
55 | int *storep, value; |
56 | optfunc *func; |
57 | const char *argdesc; |
58 | }; |
59 | |
60 | enum ttlmode { tm_none, tm_rel, tm_abs }; |
61 | |
62 | struct perqueryflags_remember { |
63 | int show_owner, show_type, show_cname; |
64 | int ttl; |
65 | }; |
66 | |
67 | extern int ov_env, ov_pipe, ov_asynch; |
68 | extern int ov_verbose; |
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69 | extern adns_rrtype ov_type; |
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70 | extern int ov_search, ov_qc_query, ov_qc_anshost, ov_qc_cname; |
71 | extern int ov_tcp, ov_cname; |
72 | extern char *ov_id; |
73 | extern struct perqueryflags_remember ov_pqfr; |
74 | |
75 | extern optfunc of_help, of_type, of_asynch_id, of_cancel_id; |
76 | |
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77 | const struct optioninfo *opt_findl(const char *opt); |
78 | const struct optioninfo *opt_finds(const char **optp); |
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79 | void opt_do(const struct optioninfo *oip, const char *arg, int invert); |
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80 | |
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81 | /* declarations related to query processing */ |
82 | |
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83 | struct query_node { |
84 | struct query_node *next, *back; |
85 | struct perqueryflags_remember pqfr; |
86 | char *id; |
87 | adns_query qu; |
88 | }; |
89 | |
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90 | extern adns_state ads; |
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91 | extern struct outstanding_list { struct query_node *head, *tail; } outstanding; |
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92 | |
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93 | void ensure_adns_init(void); |
94 | void query_do(const char *domain); |
95 | void query_done(struct query_node *qun, adns_answer *answer); |
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96 | |
97 | void of_asynch_id(const struct optioninfo *oi, const char *arg); |
98 | void of_cancel_id(const struct optioninfo *oi, const char *arg); |
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99 | |
100 | /* declarations related to main program and useful utility functions */ |
101 | |
102 | void sysfail(const char *what, int errnoval) NONRETURNING; |
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103 | void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2); |
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104 | void outerr(void) NONRETURNING; |
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105 | |
106 | void *xmalloc(size_t sz); |
107 | char *xstrsave(const char *str); |
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108 | |
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109 | extern int rcode; |
110 | |
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111 | #endif |