| 1 |
// Spectre 2 |
| 2 |
// |
| 3 |
// Douglas Thrift |
| 4 |
// |
| 5 |
// $Id$ |
| 6 |
|
| 7 |
#include "Daemon.hpp" |
| 8 |
#include "Mounter.hpp" |
| 9 |
#include "Unmounter.hpp" |
| 10 |
|
| 11 |
#include <menes-api/environment.hpp> |
| 12 |
#include <menes-api/socket.hpp> |
| 13 |
|
| 14 |
#include <arpa/inet.h> |
| 15 |
|
| 16 |
extern "C" |
| 17 |
{ |
| 18 |
void authenticate(const char* server, const char* share, char* work, int workSize, char* user, int userSize, char* password, int passwordSize); |
| 19 |
} |
| 20 |
|
| 21 |
Daemon::~Daemon() |
| 22 |
{ |
| 23 |
thread->Join(); |
| 24 |
|
| 25 |
::smbc_free_context(::smbc_set_context(NULL), 1); |
| 26 |
|
| 27 |
#ifdef __FreeBSD__ |
| 28 |
api::Posix::CheckError(::unlink(secret.NullTerminate())); |
| 29 |
#endif |
| 30 |
} |
| 31 |
|
| 32 |
ext::RedBlackSet<Share> Daemon::shares; |
| 33 |
//api::ThreadMutex Daemon::smbcLock; |
| 34 |
#ifdef __FreeBSD__ |
| 35 |
ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc"); |
| 36 |
#endif |
| 37 |
|
| 38 |
int Daemon::loop() |
| 39 |
{ |
| 40 |
while (running) if (loaded) |
| 41 |
{ |
| 42 |
ext::ThreadSet<> threads; |
| 43 |
|
| 44 |
threads.Add(etl::BindAll(&Daemon::work<Mounter>, this)); |
| 45 |
threads.Add(etl::BindAll(&Daemon::work<Unmounter>, this)); |
| 46 |
threads.Join(); |
| 47 |
} |
| 48 |
else load(); |
| 49 |
|
| 50 |
return 0; |
| 51 |
} |
| 52 |
|
| 53 |
void Daemon::load() |
| 54 |
{ |
| 55 |
shares.Clear(); |
| 56 |
Share::passwords.Clear(); |
| 57 |
|
| 58 |
_H<xml::Document> document(xml::Parse(config.GetPath())); |
| 59 |
_H<xml::Node> spectre(*document/"spectre"); |
| 60 |
|
| 61 |
if (!(*spectre/"prefix").IsEmpty()) |
| 62 |
Spectre2::prefix = *spectre/"prefix"; |
| 63 |
|
| 64 |
if (!(*spectre/"root").IsEmpty()) |
| 65 |
Spectre2::root = *spectre/"root"; |
| 66 |
|
| 67 |
if (!(*spectre/"mount").IsEmpty()) |
| 68 |
Spectre2::mount = *spectre/"mount"; |
| 69 |
|
| 70 |
if (!(*spectre/"interval").IsEmpty()) |
| 71 |
interval = lexical_cast<unsigned>(ext::String(*spectre/"interval")); |
| 72 |
|
| 73 |
CheckError(::smbc_init(authenticate, Spectre2::debug ? 2 : 0)); |
| 74 |
|
| 75 |
#ifdef __FreeBSD__ |
| 76 |
SecretFileWriter out(secret); |
| 77 |
ios::FormatWriter fout(out); |
| 78 |
#endif |
| 79 |
|
| 80 |
_foreach (const xml::NodeSet, host_, *spectre/"host") |
| 81 |
{ |
| 82 |
ext::String host(**host_/"name"); |
| 83 |
|
| 84 |
_foreach (const xml::NodeSet, share, **host_/"share") |
| 85 |
{ |
| 86 |
ext::String name(**share/"name"), owner(**share/"owner"), user(**share/"user"), group(**share/"group"); |
| 87 |
|
| 88 |
shares.Insert(Share(host, name, owner, user, group)); |
| 89 |
} |
| 90 |
|
| 91 |
#ifdef __FreeBSD__ |
| 92 |
::addrinfo* info; |
| 93 |
|
| 94 |
api::Posix::CheckGaiError(::getaddrinfo(host.NullTerminate(), NULL, NULL, &info)); |
| 95 |
|
| 96 |
::sockaddr_in& sock(*reinterpret_cast< ::sockaddr_in*>(info->ai_addr)); |
| 97 |
ext::Buffer buffer(128); |
| 98 |
|
| 99 |
fout << "[" << host << "]" << ios::NewLine << "addr=" << ::inet_ntop(sock.sin_family, &sock.sin_addr, buffer.Begin(), buffer.GetSize()) << ios::NewLine; |
| 100 |
|
| 101 |
::freeaddrinfo(info); |
| 102 |
#endif |
| 103 |
} |
| 104 |
|
| 105 |
if (Spectre2::debug) |
| 106 |
shares.Output(api::Cout); |
| 107 |
|
| 108 |
loaded = true; |
| 109 |
} |
| 110 |
|
| 111 |
template <typename Worker> |
| 112 |
int Daemon::work() |
| 113 |
{ |
| 114 |
while (running && loaded) |
| 115 |
{ |
| 116 |
ext::ThreadSet<> workers; |
| 117 |
|
| 118 |
_foreach (const ext::RedBlackSet<Share>, share, shares) |
| 119 |
workers.Add(etl::BindAll(&Daemon::work_<Worker>, this, *share)); |
| 120 |
|
| 121 |
// XXX: not useful for solving the problem it was supposed to solve |
| 122 |
/*_synchronized (smbcLock) if (++count % 8 == 0) try |
| 123 |
{ |
| 124 |
::SMBCCTX* context(::smbc_new_context()); |
| 125 |
|
| 126 |
context->debug = Spectre2::debug ? 2 : 0; |
| 127 |
context->callbacks.auth_fn = authenticate; |
| 128 |
|
| 129 |
CheckError(::smbc_init_context(context)); |
| 130 |
|
| 131 |
::SMBCCTX* old(::smbc_set_context(context)); |
| 132 |
|
| 133 |
CheckError(::smbc_free_context(old, 0)); |
| 134 |
} |
| 135 |
catch (const Error&) { --count; }*/ |
| 136 |
|
| 137 |
if (running && loaded) try |
| 138 |
{ |
| 139 |
sleep(); |
| 140 |
} |
| 141 |
catch (const api::Error&) |
| 142 |
{ |
| 143 |
api::Cout << "Can't sleep!" << ios::NewLine; |
| 144 |
} |
| 145 |
|
| 146 |
workers.Join(); |
| 147 |
} |
| 148 |
|
| 149 |
return 0; |
| 150 |
} |
| 151 |
|
| 152 |
template <typename Worker> |
| 153 |
int Daemon::work_(const Share& share) |
| 154 |
{ |
| 155 |
Worker worker(share); |
| 156 |
|
| 157 |
if (worker) |
| 158 |
worker(); |
| 159 |
|
| 160 |
return 0; |
| 161 |
} |
| 162 |
|
| 163 |
void Daemon::sleep() |
| 164 |
{ |
| 165 |
::timespec wait = { interval, 0 }; |
| 166 |
|
| 167 |
api::Posix::CheckError(::nanosleep(&wait, NULL)); |
| 168 |
} |
