| 1 |
// Spectre 2 |
| 2 |
// |
| 3 |
// Douglas Thrift |
| 4 |
// |
| 5 |
// $Id$ |
| 6 |
|
| 7 |
#include "Mounter.hpp" |
| 8 |
|
| 9 |
#include <menes-ext/stack.hpp> |
| 10 |
|
| 11 |
#include <grp.h> |
| 12 |
#include <pwd.h> |
| 13 |
|
| 14 |
void Mounter::operator()() |
| 15 |
{ |
| 16 |
ext::String service(share.getService()); |
| 17 |
|
| 18 |
{ |
| 19 |
ext::Stack<ext::String> stack; |
| 20 |
|
| 21 |
for (api::Path path(service); !path.Exists(); path = path.GetParent()) |
| 22 |
stack.Push(path.GetPath()); |
| 23 |
|
| 24 |
while (!stack.IsEmpty()) |
| 25 |
{ |
| 26 |
try |
| 27 |
{ |
| 28 |
api::Posix::CheckError(::mkdir(stack.Top().NullTerminate(), 0755)); |
| 29 |
} |
| 30 |
catch (const api::Posix::Error&) {} |
| 31 |
|
| 32 |
stack.Pop(); |
| 33 |
} |
| 34 |
} |
| 35 |
|
| 36 |
uid_t uid; |
| 37 |
|
| 38 |
{ |
| 39 |
::passwd pwd, * result; |
| 40 |
ext::Buffer buffer(1024); |
| 41 |
|
| 42 |
api::Posix::CheckError(::getpwnam_r(share.getUser().NullTerminate(), &pwd, buffer.Begin(), buffer.GetSize(), &result)); |
| 43 |
|
| 44 |
uid = pwd.pw_uid; |
| 45 |
} |
| 46 |
|
| 47 |
gid_t gid; |
| 48 |
|
| 49 |
{ |
| 50 |
::group grp, * result; |
| 51 |
ext::Buffer buffer(1024); |
| 52 |
|
| 53 |
api::Posix::CheckError(::getgrnam_r(share.getGroup().NullTerminate(), &grp, buffer.Begin(), buffer.GetSize(), &result)); |
| 54 |
|
| 55 |
gid = grp.gr_gid; |
| 56 |
} |
| 57 |
|
| 58 |
try |
| 59 |
{ |
| 60 |
api::Posix::CheckError(::chown(service.NullTerminate(), uid, gid)); |
| 61 |
} |
| 62 |
catch (const api::Posix::Error&) {} |
| 63 |
|
| 64 |
#ifdef __FreeBSD__ |
| 65 |
{ |
| 66 |
bool password(false); |
| 67 |
|
| 68 |
// XXX: _unsynchronized |
| 69 |
_synchronized (Daemon::secretLock) |
| 70 |
{ |
| 71 |
api::FileReader in(Daemon::secret); |
| 72 |
ext::String line; |
| 73 |
|
| 74 |
while (ios::ReadLine(in, line)) if (line == "[" + share.getHost() + ":" + share.getOwner() + "]") |
| 75 |
{ |
| 76 |
password = true; |
| 77 |
|
| 78 |
break; |
| 79 |
} |
| 80 |
} |
| 81 |
|
| 82 |
if (!password) _synchronized (Daemon::secretLock) |
| 83 |
{ |
| 84 |
api::FileWriter out(Daemon::secret, O_WRONLY | O_APPEND, 0); |
| 85 |
ios::FormatWriter fout(out); |
| 86 |
|
| 87 |
fout << "[" << share.getHost() << ":" << share.getOwner() << "]" << ios::NewLine << "password=" << share.getPassword() << ios::NewLine; |
| 88 |
} |
| 89 |
} |
| 90 |
#else |
| 91 |
_S<ios::String> credentials; |
| 92 |
|
| 93 |
// XXX: _unsynchronized |
| 94 |
_synchronized (Daemon::secretsLock) if (Daemon::secrets.Contains(share.getOwner() + "@" + share.getHost())) |
| 95 |
credentials = Daemon::secrets[share.getOwner() + "@" + share.getHost()]; |
| 96 |
|
| 97 |
if (credentials.IsEmpty()) |
| 98 |
{ |
| 99 |
credentials << "/tmp/.spectre" << api::Uuid::Create(); |
| 100 |
|
| 101 |
{ |
| 102 |
api::FileWriter out(credentials, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
| 103 |
ios::FormatWriter fout(out); |
| 104 |
|
| 105 |
fout << "username = " << share.getOwner() << ios::NewLine << "password = " << share.getPassword() << ios::NewLine; |
| 106 |
} |
| 107 |
|
| 108 |
_synchronized (Daemon::secretsLock) |
| 109 |
Daemon::secrets[share.getOwner() + "@" + share.getHost()]; |
| 110 |
} |
| 111 |
#endif |
| 112 |
|
| 113 |
_L<ext::String> options; |
| 114 |
|
| 115 |
#ifdef __FreeBSD__ |
| 116 |
options.InsertLast("-N"); |
| 117 |
// XXX: hmm? |
| 118 |
// options.InsertLast("-O=" + share.getOwner() + ":"); |
| 119 |
options.InsertLast("-u=" + lexical_cast<ext::String>(uid)); |
| 120 |
options.InsertLast("-g=" + lexical_cast<ext::String>(gid)); |
| 121 |
#else |
| 122 |
options.InsertLast("credentials=" + credentials); |
| 123 |
options.InsertLast("uid=" + lexical_cast<ext::String>(uid)); |
| 124 |
options.InsertLast("gid=" + lexical_cast<ext::String>(gid)); |
| 125 |
options.InsertLast("rw"); |
| 126 |
#endif |
| 127 |
|
| 128 |
_L<ext::String> args(1, "-o"); |
| 129 |
|
| 130 |
args.InsertLast(ext::JoinAll<ext::String>(options, ",")); |
| 131 |
args.InsertLast("-t"); |
| 132 |
args.InsertLast("smbfs"); |
| 133 |
args.InsertLast(service); |
| 134 |
args.InsertLast(share.getMount()); |
| 135 |
|
| 136 |
_S<api::Process> mount(Spectre2::mount, args); |
| 137 |
|
| 138 |
if (Spectre2::debug) |
| 139 |
ios::ReadToWrite(*mount.GetReader(), api::Cout); |
| 140 |
else |
| 141 |
ios::Discard(*mount.GetReader()); |
| 142 |
} |
