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1 | /* |
2 | * adnshost.h |
3 | * - useful general-purpose resolver client program, header file |
4 | */ |
5 | /* |
6 | * This file is |
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7 | * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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8 | * |
9 | * It is part of adns, which is |
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10 | * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
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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 <stdlib.h> |
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32 | #include <stdio.h> |
33 | #include <string.h> |
34 | #include <errno.h> |
35 | #include <signal.h> |
36 | #include <stdarg.h> |
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37 | #include <stdlib.h> |
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38 | #include <assert.h> |
39 | |
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40 | #include <sys/types.h> |
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41 | #include <sys/socket.h> |
42 | #include <netinet/in.h> |
43 | #include <arpa/inet.h> |
44 | |
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45 | #include "config.h" |
46 | #include "adns.h" |
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47 | #include "dlist.h" |
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48 | |
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49 | #ifdef ADNS_REGRESS_TEST |
50 | # include "hredirect.h" |
51 | #endif |
52 | |
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53 | /* declarations related to option processing */ |
54 | |
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55 | struct optioninfo; |
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56 | typedef void optfunc(const struct optioninfo *oi, const char *arg, const char *arg2); |
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57 | |
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58 | struct optioninfo { |
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59 | enum oi_type { |
60 | ot_end, ot_desconly, |
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61 | ot_flag, ot_value, ot_func, ot_funcarg, ot_funcarg2 |
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62 | } type; |
63 | const char *desc; |
64 | const char *sopt, *lopt; |
65 | int *storep, value; |
66 | optfunc *func; |
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67 | const char *argdesc, *argdesc2; |
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68 | }; |
69 | |
70 | enum ttlmode { tm_none, tm_rel, tm_abs }; |
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71 | enum outputformat { fmt_default, fmt_simple, fmt_inline, fmt_asynch }; |
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72 | |
73 | struct perqueryflags_remember { |
74 | int show_owner, show_type, show_cname; |
75 | int ttl; |
76 | }; |
77 | |
78 | extern int ov_env, ov_pipe, ov_asynch; |
79 | extern int ov_verbose; |
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80 | extern adns_rrtype ov_type; |
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81 | extern int ov_search, ov_qc_query, ov_qc_anshost, ov_qc_cname; |
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82 | extern int ov_tcp, ov_cname, ov_format; |
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83 | extern char *ov_id; |
84 | extern struct perqueryflags_remember ov_pqfr; |
85 | |
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86 | extern optfunc of_config, of_help, of_type, of_ptr, of_reverse; |
87 | extern optfunc of_asynch_id, of_cancel_id; |
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88 | |
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89 | const struct optioninfo *opt_findl(const char *opt); |
90 | const struct optioninfo *opt_finds(const char **optp); |
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91 | void opt_do(const struct optioninfo *oip, int invert, const char *arg, const char *arg2); |
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92 | |
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93 | /* declarations related to query processing */ |
94 | |
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95 | struct query_node { |
96 | struct query_node *next, *back; |
97 | struct perqueryflags_remember pqfr; |
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98 | char *id, *owner; |
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99 | adns_query qu; |
100 | }; |
101 | |
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102 | extern adns_state ads; |
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103 | extern struct outstanding_list { struct query_node *head, *tail; } outstanding; |
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104 | |
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105 | void ensure_adns_init(void); |
106 | void query_do(const char *domain); |
107 | void query_done(struct query_node *qun, adns_answer *answer); |
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108 | |
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109 | /* declarations related to main program and useful utility functions */ |
110 | |
111 | void sysfail(const char *what, int errnoval) NONRETURNING; |
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112 | void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2); |
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113 | void outerr(void) NONRETURNING; |
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114 | |
115 | void *xmalloc(size_t sz); |
116 | char *xstrsave(const char *str); |
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117 | |
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118 | void quitnow(int rc) NONRETURNING; |
119 | |
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120 | extern int rcode; |
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121 | extern const char *config_text; /* 0 => use defaults */ |
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122 | |
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123 | #endif |