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1 | /* |
2 | * adnshost.h |
3 | * - useful general-purpose resolver client program, header file |
4 | */ |
5 | /* |
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6 | * This file is part of adns, which is |
7 | * Copyright (C) 1997-2000,2003,2006 Ian Jackson |
8 | * Copyright (C) 1999-2000,2003,2006 Tony Finch |
9 | * Copyright (C) 1991 Massachusetts Institute of Technology |
10 | * (See the file INSTALL for full details.) |
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11 | * |
12 | * This program is free software; you can redistribute it and/or modify |
13 | * it under the terms of the GNU General Public License as published by |
14 | * the Free Software Foundation; either version 2, or (at your option) |
15 | * any later version. |
16 | * |
17 | * This program is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | * GNU General Public License for more details. |
21 | * |
22 | * You should have received a copy of the GNU General Public License |
23 | * along with this program; if not, write to the Free Software Foundation, |
24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
25 | */ |
26 | |
27 | #ifndef ADNSHOST_H_INCLUDED |
28 | #define ADNSHOST_H_INCLUDED |
29 | |
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30 | #include <stdlib.h> |
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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> |
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38 | #include <time.h> |
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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> |
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44 | #include <netdb.h> |
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45 | |
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46 | #define ADNS_FEATURE_MANYAF |
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47 | #include "config.h" |
48 | #include "adns.h" |
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49 | #include "dlist.h" |
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50 | #include "client.h" |
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51 | |
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52 | #ifdef ADNS_REGRESS_TEST |
53 | # include "hredirect.h" |
54 | #endif |
55 | |
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56 | /* declarations related to option processing */ |
57 | |
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58 | struct optioninfo; |
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59 | typedef void optfunc(const struct optioninfo *oi, const char *arg, const char *arg2); |
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60 | |
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61 | struct optioninfo { |
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62 | enum oi_type { |
63 | ot_end, ot_desconly, |
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64 | ot_flag, ot_value, ot_func, ot_funcarg, ot_funcarg2 |
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65 | } type; |
66 | const char *desc; |
67 | const char *sopt, *lopt; |
68 | int *storep, value; |
69 | optfunc *func; |
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70 | const char *argdesc, *argdesc2; |
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71 | }; |
72 | |
73 | enum ttlmode { tm_none, tm_rel, tm_abs }; |
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74 | enum outputformat { fmt_default, fmt_simple, fmt_inline, fmt_asynch }; |
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75 | |
76 | struct perqueryflags_remember { |
77 | int show_owner, show_type, show_cname; |
78 | int ttl; |
79 | }; |
80 | |
81 | extern int ov_env, ov_pipe, ov_asynch; |
82 | extern int ov_verbose; |
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83 | extern adns_rrtype ov_type; |
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84 | extern int ov_search, ov_qc_query, ov_qc_anshost, ov_qc_cname; |
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85 | extern int ov_tcp, ov_cname, ov_afflags, ov_format; |
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86 | extern char *ov_id; |
87 | extern struct perqueryflags_remember ov_pqfr; |
88 | |
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89 | extern optfunc of_config, of_version, of_help, of_type, of_ptr, of_reverse; |
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90 | extern optfunc of_asynch_id, of_cancel_id; |
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91 | |
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92 | const struct optioninfo *opt_findl(const char *opt); |
93 | const struct optioninfo *opt_finds(const char **optp); |
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94 | void opt_do(const struct optioninfo *oip, int invert, const char *arg, const char *arg2); |
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95 | |
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96 | /* declarations related to query processing */ |
97 | |
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98 | struct query_node { |
99 | struct query_node *next, *back; |
100 | struct perqueryflags_remember pqfr; |
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101 | char *id, *owner; |
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102 | adns_query qu; |
103 | }; |
104 | |
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105 | extern adns_state ads; |
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106 | extern struct outstanding_list { struct query_node *head, *tail; } outstanding; |
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107 | |
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108 | void ensure_adns_init(void); |
109 | void query_do(const char *domain); |
110 | void query_done(struct query_node *qun, adns_answer *answer); |
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111 | |
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112 | void type_info(adns_rrtype type, const char **typename_r, |
113 | const void *datap, char **data_r); |
114 | /* wrapper for adns_rr_info which uses a static buffer to provide |
115 | * *typename_r for adns_r_unknown */ |
116 | |
117 | |
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118 | /* declarations related to main program and useful utility functions */ |
119 | |
120 | void sysfail(const char *what, int errnoval) NONRETURNING; |
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121 | void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2); |
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122 | void outerr(void) NONRETURNING; |
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123 | |
124 | void *xmalloc(size_t sz); |
125 | char *xstrsave(const char *str); |
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126 | |
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127 | extern int rcode; |
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128 | extern const char *config_text; /* 0 => use defaults */ |
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129 | |
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130 | #endif |