| 1 |
// Smersh |
| 2 |
// |
| 3 |
// Douglas Thrift |
| 4 |
// |
| 5 |
// $Id$ |
| 6 |
|
| 7 |
#include "Daemon.hpp" |
| 8 |
|
| 9 |
string Daemon::crlf("\r\n"); |
| 10 |
|
| 11 |
void Daemon::serve(int port, bool fork, Daemon* self) |
| 12 |
{ |
| 13 |
api::TcpSocket server; |
| 14 |
|
| 15 |
server.Create(); |
| 16 |
server.SetAddress(api::InternetAddress(api::InternetAddress::Any, port)); |
| 17 |
|
| 18 |
if (fork) |
| 19 |
{ |
| 20 |
switch (::fork()) |
| 21 |
{ |
| 22 |
case -1: |
| 23 |
cerr << program << ": fork()\n"; |
| 24 |
|
| 25 |
exit(1); |
| 26 |
case 0: |
| 27 |
break; |
| 28 |
default: |
| 29 |
return; |
| 30 |
} |
| 31 |
} |
| 32 |
|
| 33 |
server.Listen(50); |
| 34 |
|
| 35 |
while (true) |
| 36 |
{ |
| 37 |
api::TcpSocket* client(new api::TcpSocket()); |
| 38 |
|
| 39 |
server.Accept(*client); |
| 40 |
|
| 41 |
api::Thread thread(etl::BindAll(&Daemon::handle, self, client)); |
| 42 |
} |
| 43 |
} |
| 44 |
|
| 45 |
Daemon::Status Daemon::request(istream& sin, Environment& env, ostream& post, |
| 46 |
ostream& log) |
| 47 |
{ |
| 48 |
string line; |
| 49 |
Matcher request("^([A-Z]+) .*(\\?.+)? HTTP/(\\d+)\\.(\\d+)$"); |
| 50 |
|
| 51 |
getline(sin, line); |
| 52 |
|
| 53 |
log << '"' << line << "\" "; |
| 54 |
|
| 55 |
if (line == request) |
| 56 |
{ |
| 57 |
if (lexical_cast<unsigned>(request[request.size() > 4 ? 3 : 2]) > 1) |
| 58 |
return version; |
| 59 |
|
| 60 |
Matcher matcher; |
| 61 |
|
| 62 |
if (request[1] != matcher("^GET|HEAD|POST$")) return notImplemented; |
| 63 |
|
| 64 |
env.set("REQUEST_METHOD", matcher[0]); |
| 65 |
|
| 66 |
if (request.size() > 4) env.set("QUERY_STRING", request[2].substr(1)); |
| 67 |
|
| 68 |
do |
| 69 |
{ |
| 70 |
getline(sin, line); |
| 71 |
|
| 72 |
if (line.empty()) break; |
| 73 |
|
| 74 |
istringstream input(line); |
| 75 |
string name, value; |
| 76 |
|
| 77 |
::getline(input, name, ':'); |
| 78 |
getline(input, value); |
| 79 |
|
| 80 |
for (char next(sin.peek()); next == ' ' || next == '\t'; next = |
| 81 |
sin.peek()) |
| 82 |
{ |
| 83 |
getline(sin, line); |
| 84 |
|
| 85 |
value += ' ' + line; |
| 86 |
} |
| 87 |
|
| 88 |
matcher("^\\s*?(.+)\\s*?$"); |
| 89 |
|
| 90 |
if (name == "Content-Length") |
| 91 |
{ |
| 92 |
if (value == matcher) env.set("CONTENT_LENGTH", matcher[1]); |
| 93 |
} |
| 94 |
else if (name == "Content-Type") |
| 95 |
{ |
| 96 |
if (value == matcher) env.set("CONTENT_TYPE", matcher[1]); |
| 97 |
} |
| 98 |
else if (name == "Referer") |
| 99 |
{ |
| 100 |
if (value == matcher) env.set("HTTP_REFERER", matcher[1]); |
| 101 |
} |
| 102 |
else if (name == "User-Agent") |
| 103 |
{ |
| 104 |
if (value == matcher) env.set("HTTP_USER_AGENT", matcher[1]); |
| 105 |
} |
| 106 |
|
| 107 |
cerr << name << ':' << value << '\n'; |
| 108 |
} |
| 109 |
while (sin.good()); |
| 110 |
|
| 111 |
if (request[0] == "POST") |
| 112 |
{ |
| 113 |
string contentLength(env.get("CONTENT_LENGTH")); |
| 114 |
|
| 115 |
if (env.get("CONTENT_TYPE") != "application/x-www-form-urlencoded") |
| 116 |
return mediaType; |
| 117 |
if (contentLength.empty()) return lengthRequired; |
| 118 |
|
| 119 |
streamsize length(lexical_cast<streamsize>(contentLength)); |
| 120 |
char* content(new char[length]); |
| 121 |
|
| 122 |
sin.read(content, length); |
| 123 |
post.write(content, length); |
| 124 |
|
| 125 |
delete [] content; |
| 126 |
} |
| 127 |
|
| 128 |
return ok; |
| 129 |
} |
| 130 |
|
| 131 |
return notFound; |
| 132 |
} |
| 133 |
|
| 134 |
void Daemon::status(ostream& sout, Status status) |
| 135 |
{ |
| 136 |
sout << "HTTP/1.1 " << status << ' '; |
| 137 |
|
| 138 |
switch (status) |
| 139 |
{ |
| 140 |
case ok: |
| 141 |
sout << "OK"; |
| 142 |
break; |
| 143 |
case found: |
| 144 |
sout << "Found"; |
| 145 |
break; |
| 146 |
case seeOther: |
| 147 |
sout << "See Other"; |
| 148 |
break; |
| 149 |
case bad: |
| 150 |
sout << "Bad Request"; |
| 151 |
break; |
| 152 |
case notFound: |
| 153 |
sout << "Not Found"; |
| 154 |
break; |
| 155 |
case lengthRequired: |
| 156 |
sout << "Length Required"; |
| 157 |
break; |
| 158 |
case mediaType: |
| 159 |
sout << "Unsupported Media Type"; |
| 160 |
break; |
| 161 |
case error: |
| 162 |
sout << "Internal Server Error"; |
| 163 |
break; |
| 164 |
case notImplemented: |
| 165 |
sout << "Not Implemented"; |
| 166 |
break; |
| 167 |
case version: |
| 168 |
sout << "HTTP Version not supported"; |
| 169 |
} |
| 170 |
|
| 171 |
sout << crlf; |
| 172 |
} |
| 173 |
|
| 174 |
int Daemon::handle(api::TcpSocket* client) |
| 175 |
{ |
| 176 |
ios::InputOutputStreamBufAdapter adapter(*client); |
| 177 |
iostream sio(&adapter); |
| 178 |
Environment env; |
| 179 |
stringstream post; |
| 180 |
ostringstream log; |
| 181 |
Status code(request(sio, env, post, log)); |
| 182 |
|
| 183 |
status(sio, code); |
| 184 |
|
| 185 |
log << code << ' ' << 0 << " \"" << env.get("HTTP_REFERER") << "\" \"" |
| 186 |
<< env.get("HTTP_USER_AGENT") << '"'; |
| 187 |
|
| 188 |
if (debug) cerr << "log = " << log.str() << '\n'; |
| 189 |
|
| 190 |
delete client; |
| 191 |
} |
