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e18dbde1 BH |
1 | /* |
2 | Copyright (C) 2011 Fredrik Danerklint | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License version 2 as published | |
6 | by the Free Software Foundation | |
7 | ||
8 | This program is distributed in the hope that it will be useful, | |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | GNU General Public License for more details. | |
12 | ||
13 | You should have received a copy of the GNU General Public License | |
14 | along with this program; if not, write to the Free Software | |
15 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | ||
870a0fe4 AT |
19 | #ifdef HAVE_CONFIG_H |
20 | #include "config.h" | |
21 | #endif | |
e18dbde1 BH |
22 | #include "luabackend.hh" |
23 | ||
24 | #include "pdns/logger.hh" | |
25 | #include "pdns/arguments.hh" | |
26 | ||
a5ffbceb RK |
27 | /* |
28 | //! determine if ip is a supermaster for a domain | |
719f9024 | 29 | virtual bool superMasterBackend(const string &ip, const string &domain, const vector<DNSResourceRecord>&nsset, string *nameserver, string *account, DNSBackend **db) |
e18dbde1 BH |
30 | |
31 | //! called by PowerDNS to create a slave record for a superMaster | |
719f9024 | 32 | virtual bool createSlaveDomain(const string &ip, const string &domain, const string &nameserver, const string &account) |
e18dbde1 BH |
33 | |
34 | */ | |
35 | ||
719f9024 | 36 | bool LUABackend::superMasterBackend(const string &ip, const string &domain, const vector<DNSResourceRecord>&nsset, string *nameserver, string *account, DNSBackend **db) { |
e18dbde1 BH |
37 | |
38 | if (f_lua_supermasterbackend == 0) | |
39 | return false; | |
40 | ||
41 | if (logging) | |
42 | L << Logger::Info << backend_name << "(superMasterBackend) BEGIN" << endl; | |
43 | ||
44 | lua_rawgeti(lua, LUA_REGISTRYINDEX, f_lua_supermasterbackend); | |
45 | ||
46 | lua_pushstring(lua, ip.c_str()); | |
47 | lua_pushstring(lua, domain.c_str()); | |
48 | ||
49 | ||
50 | lua_newtable(lua); | |
51 | int c = 0; | |
52 | for(vector<DNSResourceRecord>::const_iterator i=nsset.begin();i!=nsset.end();++i) { | |
53 | c++; | |
54 | lua_pushnumber(lua, c); | |
55 | ||
56 | DNSResourceRecord rr; | |
57 | ||
58 | rr.qtype = i->qtype; | |
59 | rr.qclass = i->qclass; | |
e18dbde1 BH |
60 | rr.ttl = i->ttl; |
61 | rr.auth = i->auth; | |
62 | rr.content = i->content; | |
63 | ||
64 | dnsrr_to_table(lua, &rr); | |
65 | lua_settable(lua, -3); | |
66 | } | |
67 | ||
68 | if(lua_pcall(lua, 3, 2, f_lua_exec_error) != 0) { | |
69 | string e = backend_name + lua_tostring(lua, -1); | |
70 | lua_pop(lua, 1); | |
71 | ||
72 | throw runtime_error(e); | |
73 | return false; | |
74 | } | |
75 | ||
76 | size_t returnedwhat = lua_type(lua, -1); | |
77 | bool ok = false; | |
78 | ||
79 | if (returnedwhat == LUA_TBOOLEAN) | |
80 | ok = lua_toboolean(lua, -1); | |
81 | ||
82 | lua_pop(lua, 1); | |
83 | ||
84 | string a = ""; | |
85 | returnedwhat = lua_type(lua, -1); | |
86 | if (returnedwhat == LUA_TSTRING) | |
87 | a = lua_tostring(lua, -1); | |
88 | lua_pop(lua, 1); | |
89 | ||
90 | if (ok) { | |
91 | *account = a; | |
92 | *db = this; | |
93 | } | |
94 | ||
95 | if (logging) | |
96 | L << Logger::Info << backend_name << "(superMasterBackend) END" << endl; | |
97 | ||
98 | return ok; | |
99 | } | |
100 | ||
719f9024 | 101 | bool LUABackend::createSlaveDomain(const string &ip, const string &domain, const string &nameserver, const string &account) { |
e18dbde1 BH |
102 | |
103 | if (f_lua_createslavedomain == 0) | |
104 | return false; | |
105 | ||
106 | if (logging) | |
107 | L << Logger::Info << backend_name << "(createSlaveDomain) BEGIN" << endl; | |
108 | ||
109 | lua_rawgeti(lua, LUA_REGISTRYINDEX, f_lua_createslavedomain); | |
110 | ||
111 | lua_pushstring(lua, ip.c_str()); | |
112 | lua_pushstring(lua, domain.c_str()); | |
113 | lua_pushstring(lua, account.c_str()); | |
114 | ||
115 | if(lua_pcall(lua, 3, 1, f_lua_exec_error) != 0) { | |
116 | string e = backend_name + lua_tostring(lua, -1); | |
117 | lua_pop(lua, 1); | |
118 | ||
119 | throw runtime_error(e); | |
120 | return false; | |
121 | } | |
122 | ||
123 | size_t returnedwhat = lua_type(lua, -1); | |
124 | bool ok = false; | |
125 | ||
126 | if (returnedwhat == LUA_TBOOLEAN) | |
127 | ok = lua_toboolean(lua, -1); | |
128 | ||
129 | lua_pop(lua, 1); | |
130 | ||
131 | if (logging) | |
132 | L << Logger::Info << backend_name << "(createSlaveDomain) END" << endl; | |
133 | ||
134 | return ok; | |
135 | } |