1e64b61997-01-09Anders Jackson string cvs_version = "$Id: roxen.pike,v 1.31 1997/01/09 20:45:55 grubba Exp $";
4dd97c1996-12-04Per Hedbor #define IN_ROXEN
b1fca01996-11-12Per Hedbor #include <module.h> #include <variables.h> #include <roxen.h> #ifdef NO_DNS inherit "dummy_hosts"; #else inherit "hosts"; #endif inherit "socket"; inherit "disk_cache"; inherit "language"; int num_connections; object roxen=this_object(); object main_configuration_port; mapping allmodules; #if efun(send_fd) int shuffle_fd; #endif // This is the real Roxen version. It should be changed before each // release
e335011996-12-16Henrik Grubbström (Grubba) string real_version = "Roxen Challenger/1.1";
b1fca01996-11-12Per Hedbor  // A mapping from ports (objects, that is) to an array of information // about that port. // This will be moved to objects cloned from the configuration object // in the future. mapping portno=([]); // The code below was formely in decode.pike, but that object is // cloned for each request. Not exactly good for the performance.. // It is a base64 decoder for the Authentification header (the Basic method) #define DEC(c) pr2six[(int)c] #define MAXVAL 63 int *six2pr=({ 'A','B','C','D','E','F','G','H','I','J','K','L','M', 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', 'a','b','c','d','e','f','g','h','i','j','k','l','m', 'n','o','p','q','r','s','t','u','v','w','x','y','z', '0','1','2','3','4','5','6','7','8','9','+','*', }); int *pr2six = lambda() { int j; int *p=allocate(256); for(j=0; j<256; j++) p[ j ] = MAXVAL+ 1; for(j=0; j<64; j++) p[ six2pr[ j ] ] = j; return p; }(); public string decode(string bufcoded) { string bufplain; int nbytesdecoded; int in=0; int out=0; int nprbytes; bufplain=""; // Strip leading whitespace. if(!strlen(bufcoded)) return ""; while(bufcoded[in]==' ' || bufcoded[in] == '\t') in++; // Figure out how many characters are in the input buffer. out=in; while((pr2six[bufcoded[in++]] <= MAXVAL) && (strlen(bufcoded)>in)); nprbytes = in - out - 1; in=out; out=0; while (nprbytes > 0) { bufplain+=sprintf("%c", (DEC(bufcoded[in])<<2 | DEC(bufcoded[in+1])>>4)); bufplain+=sprintf("%c", (DEC(bufcoded[in+1])<<4 | DEC(bufcoded[in+2])>>2)); bufplain+=sprintf("%c", (DEC(bufcoded[in+2])<<6 | DEC(bufcoded[in+3]))); in += 4; nbytesdecoded += 3; nprbytes -= 4; } if(pr2six[bufcoded[in-2]] == 64) nbytesdecoded --; if(pr2six[bufcoded[in-1]] == 64) nbytesdecoded --; nbytesdecoded --; #if 0 perror(sprintf("%d %d %d -> %s(%d)\n", pr2six[bufcoded[in-3]], pr2six[bufcoded[in-2]], pr2six[bufcoded[in-1]], bufplain[0..nbytesdecoded], nbytesdecoded+1)); #endif return bufplain[0..nbytesdecoded]; } // End of what was formely known as decode.pike, the base64 decoder // Function pointer and the root of the to the configuration interface // object. private function build_root; private object root; // Sub process ids. private static array subs; // Fork, and then do a 'slow-quit' in the forked copy. Exit the // original copy, after all listen ports are closed. // Then the forked copy finish all current connections. private static void fork_or_quit() { int i; object *f; if(main_configuration_port && objectp(main_configuration_port)) { int pid; if(search(subs, getpid()) == -1) { perror("Exiting Roxen.\n"); foreach(subs, pid) { if(pid != getpid()) kill(pid, signum("SIGUSR1")); } } } #ifdef SOCKET_DEBUG perror("SOCKETS: fork_or_quit()\n Bye!\n"); #endif if(fork()) exit(0); #if efun(_pipe_debug) call_out(lambda() { // Wait for all connections to finish call_out(this_function(), 20); if(!_pipe_debug()[0]) exit(0); }, 1); #endif call_out(lambda(){ exit(0); }, 600); // Slow buggers.. f=indices(portno); for(i=0; i<sizeof(f); i++) catch(destruct(f[i])); } // Keep a count of how many times in a row there has been an error // while 'accept'ing. private int failed_connections = 0; // This is called for each incoming connection. private static void accept_callback( object port ) { int q=QUERY(NumAccept), l; object file; // Silently enforced. We do _not_ want this if the number of // concurrently running processes is more than, or equal to, 2. if(QUERY(copies) > 1) {l=1;q=1;} if(!portno[port]) { destruct(port->accept()); perror("$&$$& Garbage Collector bug!!\n"); return; } while(q--) { // Lock due to bugs in OS-es (Solaris 2.*, IRIX 5.*, perhaps others)... // This is only needed if there are any copies that might try // to aquire the lock at the same time as this Roxen. if(l) catch { portno[port][-2]->aquire(); }; catch { file = port->accept(); }; if(l) catch { portno[port][-2]->free(); }; if(!portno[port][-1]) { report_error("In accept: Illegal protocol handler for port.\n"); if(file) destruct(file); return; } #ifdef SOCKET_DEBUG perror(sprintf("SOCKETS: accept_callback(CONF(%s))\n", portno[port][1]&&portno[port][1]->name||"Configuration")); #endif if(!file) { switch(port->errno()) { case 0: case 11: return; default: #ifdef DEBUG perror("Accept failed.\n"); # if efun(real_perror) real_perror(); # endif #endif return; case 24: if(failed_connections++) { report_fatal("Out of sockets. Restarting server gracefully.\n"); fork_or_quit(); } return; } } if(failed_connections>0) failed_connections--; mark_fd( file->query_fd(), "Connection from "+file->query_address()); object request;
01d0811996-11-12Mirar (Pontus Hagland)  request = portno[port][-1]();
b1fca01996-11-12Per Hedbor  request->assign( file, portno[port][1] ); #ifdef SOCKET_DEBUG perror(sprintf("SOCKETS: Ok. Connect on %O:%O from %O\n", portno[port][2], portno[port][0], file->query_address())); #endif } } // Listen to a port, connected to the configuration 'conf', binding // only to the netinterface 'ether', using 'requestprogram' as a // protocol handled. // If you think that the argument order is quite unintuitive and odd, // you are right, the order is the same as the implementation order. // Old spinners only listened to a port number, then the // configurations came, then the need to bind to a specific // ethernetinterface, and then the need to have more than one concurrent // protocol (http, ftp, ssl, etc.) private static object create_listen_socket(mixed port_no, object conf, string|void ether, program requestprogram) { object port; #ifdef SOCKET_DEBUG perror(sprintf("SOCKETS: create_listen_socket(%d,CONF(%s),%s)\n", port_no, conf?conf->name:"Configuration port", ether)); #endif if(!requestprogram) error("No request handling module passed to create_listen_socket()\n"); if(!port_no) {
01d0811996-11-12Mirar (Pontus Hagland)  port = Port ( "stdin", accept_callback );
b1fca01996-11-12Per Hedbor  if(port->errno()) { report_error("Cannot listen to stdin.\n" "Errno is "+port->errno()+"\n"); } } else {
01d0811996-11-12Mirar (Pontus Hagland)  port = Port ();
b1fca01996-11-12Per Hedbor  if(!stringp(ether) || (lower_case(ether) == "any")) ether=0; if(ether) sscanf(ether, "addr:%s", ether); #if 0 werror(sprintf("%O(%t), %O(%t), %O(%t)\n", port_no, port_no, accept_callback, accept_callback, ether, ether));
19104e1996-12-07Per Hedbor #endif
b1fca01996-11-12Per Hedbor  if(!port->bind(port_no, accept_callback, ether)) { if(ether==0 || !port->bind(port_no, accept_callback)) { #ifdef SOCKET_DEBUG perror("SOCKETS: -> Failed.\n"); #endif report_error("Failed to open socket on "+port_no+":"+ether +" (already bound?)\nErrno is: "+ port->errno()+"\n"); return 0; } else if(ether) { report_error("Failed to bind to specific IP address " + ether + "(using ANY instead).\n"); ether=0; } } } if(conf && QUERY(uselock) && (QUERY(copies) > 1)) portno[port]=({ port_no, conf, ether||"Any",
01d0811996-11-12Mirar (Pontus Hagland)  ((program)"lock")( port_no + (ether?hash(ether):0)),
b1fca01996-11-12Per Hedbor  requestprogram }); else portno[port]=({ port_no, conf, ether||"Any", 0, requestprogram }); #ifdef SOCKET_DEBUG perror("SOCKETS: -> Ok.\n"); #endif return port; } // The configuration interface is loaded dynamically for faster // startup-time, and easier coding in the configuration interface (the // Roxen environment is already finished when it is loaded) object configuration_interface_obj; int loading_config_interface; int enabling_configurations; object configuration_interface() { if(enabling_configurations) return 0; if(loading_config_interface) { perror("Recursive calls to configuration_interface()\n" + describe_backtrace(backtrace())+"\n"); } if(!configuration_interface_obj) { perror("Loading configuration interface.\n"); loading_config_interface = 1;
01d0811996-11-12Mirar (Pontus Hagland)  configuration_interface_obj= ( (program) "mainconfig" )();
b1fca01996-11-12Per Hedbor  root = configuration_interface_obj->root; } if(!configuration_interface_obj) perror("Failed to load the configuration interface!\n"); loading_config_interface = 0; return configuration_interface_obj; } // Create a new configuration from scratch. // 'type' is as in the form. 'none' for a empty configuration. int add_new_configuration(string name, string type) { return configuration_interface()->low_enable_configuration(name, type); } // Call the configuration interface function. This is more or less // equivalent to a virtual configuration with the configurationinterface // mounted on '/'. This will probably be the case in future versions mixed configuration_parse(mixed ... args) { if(args) return configuration_interface()->configuration_parse(@args); } // Write a string to the configuration interface error log and to stderr. void nwrite(string s, int|void perr) { if(!root) if(!configuration_interface()) { perror("Cannot report error to configuration interface:\n"+s); return ; } if(root->descend("Errors", 1)) root->descend("Errors")->data[s]++; if(perr) perror(s); } // When was Roxen started? int start_time; string version() { return QUERY(ident); } // The db for the nice '<if supports=..>' tag. mapping (string:array (array (object|multiset))) supports; private multiset default_supports = (< >); private static inline array positive_supports(array from) { array res = copy_value(from); int i; for(i=0; i<sizeof(res); i++) if(res[i][0] == '-') res[i] = 0; return res - ({ 0 }); } private inline array negative_supports(array from) { array res = copy_value(from); int i; for(i=0; i<sizeof(res); i++) if(res[i][0] != '-') res[i] = 0; else res[i] = res[i][1..]; return res - ({ 0 }); } private static mapping foo_defines = ([ ]); // '#define' in the 'supports' file. static private string current_section; // Used below. // '#section' in the 'supports' file. private void parse_supports_string(string what) { string foo; array lines; int i; lines=replace(what, "\\\n", " ")/"\n"-({""}); foreach(lines, foo) { array bar, gazonk; if(foo[0] == '#') { string file; string name, to; if(sscanf(foo, "#include <%s>", file)) { if(foo=read_bytes(file)) parse_supports_string(foo); else report_error("Supports: Cannot include file "+file+"\n"); } else if(sscanf(foo, "#define %[^ ] %s", name, to)) { name -= "\t"; foo_defines[name] = to; // perror("#defining '"+name+"' to "+to+"\n"); } else if(sscanf(foo, "#section %[^ ] {", name)) { // perror("Entering section "+name+"\n"); current_section = name; if(!supports[name]) supports[name] = ({}); } else if((foo-" ") == "#}") { // perror("Leaving section "+current_section+"\n"); current_section = 0; } else { // perror("Comment: "+foo+"\n"); } } else { int rec = 10; string q=replace(foo,",", " "); foo=""; // Handle all defines. while((strlen(foo)!=strlen(q)) && --rec) { foo=q; q = replace(q, indices(foo_defines), values(foo_defines)); } foo=q; if(!rec) perror("Too deep recursion while replacing defines.\n"); // perror("Parsing supports line '"+foo+"'\n"); bar = replace(foo, ({"\t",","}), ({" "," "}))/" " -({ "" }); foo=""; if(sizeof(bar) < 2) continue; if(bar[0] == "default")
01d0811996-11-12Mirar (Pontus Hagland)  default_supports = aggregate_multiset(@bar[1..]);
b1fca01996-11-12Per Hedbor  else { gazonk = bar[1..]; supports[current_section]
01d0811996-11-12Mirar (Pontus Hagland)  += ({ ({ Regexp(bar[0])->match, aggregate_multiset(@positive_supports(gazonk)), aggregate_multiset(@negative_supports(gazonk)),
b1fca01996-11-12Per Hedbor  })}); } } } } public void initiate_supports() { supports = ([ 0:({ }) ]); foo_defines = ([ ]); current_section = 0; parse_supports_string(QUERY(Supports)); foo_defines = 0; } array _new_supports = ({}); void done_with_roxen_com() { string new, old; new = _new_supports * ""; old = read_bytes( "etc/supports" ); if(strlen(new) < strlen(old)-200) // Error in transfer? return; if(old != new) { perror("Got new supports data from roxen.com\n"); perror("Replacing old file with new data.\n"); mv("etc/supports", "etc/supports~"); write_file("etc/supports", new); old = read_bytes( "etc/supports" ); if(old != new) { perror("FAILED to update the supports file.\n"); mv("etc/supports~", "etc/supports"); } else initiate_supports(); } #ifdef DEBUG else perror("No change to the supports file.\n"); #endif } void got_data_from_roxen_com(object this, string foo) { if(!foo) return; _new_supports += ({ foo }); } void connected_to_roxen_com(object port) { if(!port) { #ifdef DEBUG perror("Failed to connect to roxen.com:80.\n"); #endif return 0; } #ifdef DEBUG perror("Connected to roxen.com.:80\n"); #endif _new_supports = ({}); port->set_id(port); port->write("GET /supports\n"); port->set_nonblocking(got_data_from_roxen_com, got_data_from_roxen_com, done_with_roxen_com); } public void update_supports_from_roxen_com() { if(QUERY(AutoUpdate)) { async_connect("roxen.com.", 80, connected_to_roxen_com); #ifdef DEBUG perror("Connecting to roxen.com.:80\n"); #endif } remove_call_out( update_supports_from_roxen_com ); object o; o = current_configuration; current_configuration = 0; // Check again in one week. QUERY(next_supports_update)=3600*24*7 + time(); store("Variables", variables, 0); current_configuration = o; call_out(update_supports_from_roxen_com, 3600*24*7); } // Return a list of 'supports' values for the current connection. public multiset find_supports(string from) { multiset (string) sup = (< >); multiset (string) nsup = (< >); array (function|multiset) s; string v; array f; if(from != "unknown") { foreach(indices(supports), v) { if(!v || !search(from, v)) { // perror("Section "+v+" match "+from+"\n"); f = supports[v]; foreach(f, s) if(s[0](from)) { sup |= s[1]; nsup |= s[2]; } } } if(!sizeof(sup)) { sup = default_supports; #ifdef DEBUG perror("Unknown client: "+from+"\n"); #endif } } else { sup = default_supports; } return sup - nsup; } // Parse the logging format strings. private inline string fix_logging(string s) {
fd0b6f1996-12-02Per Hedbor  string pre, post, c; sscanf(s, "%*[\t ]", s); s = replace(s, ({"\\t", "\\n", "\\r" }), ({"\t", "\n", "\r" }));
b1fca01996-11-12Per Hedbor  while(s[0] == ' ') s = s[1..10000]; while(s[0] == '\t') s = s[1..10000];
fd0b6f1996-12-02Per Hedbor  while(sscanf(s, "%s$char(%d)%s", pre, c, post)==3) s=sprintf("%s%c%s", pre, c, post); while(sscanf(s, "%s$wchar(%d)%s", pre, c, post)==3) s=sprintf("%s%2c%s", pre, c, post); while(sscanf(s, "%s$int(%d)%s", pre, c, post)==3) s=sprintf("%s%4c%s", pre, c, post);
6e925d1996-12-02Per Hedbor  if(!sscanf(s, "%s$^%s", pre, post)) s+="\n"; else s=pre+post;
b1fca01996-11-12Per Hedbor  return s; } private void parse_log_formats() { string b; array foo=query("LogFormat")/"\n"; foreach(foo, b) if(strlen(b) && b[0] != '#' && sizeof(b/":")>1) current_configuration->log_format[(b/":")[0]] = fix_logging((b/":")[1..100000]*":"); } // Really write an entry to the log. private void write_to_log( string host, string rest, string oh, function fun ) { int s; if(!host) host=oh;
b5e88f1996-12-05David Hedbor  if(!stringp(host)) host = "error:no_host";
fd0b6f1996-12-02Per Hedbor  if(fun) fun(replace(rest, "$host", host));
b1fca01996-11-12Per Hedbor } // Logging format support functions. nomask private inline string host_ip_to_int(string s) { int a, b, c, d; sscanf(s, "%d.%d.%d.%d", a, b, c, d); return sprintf("%c%c%c%c",a, b, c, d); } nomask private inline string unsigned_to_bin(int a) { return sprintf("%4c", a); } nomask private inline string unsigned_short_to_bin(int a) { return sprintf("%2c", a); } nomask private inline string extract_user(string from) { array tmp; if (!from || sizeof(tmp = from/":")<2) return "-"; return tmp[0]; // username only, no password } public void log(mapping file, object request_id) { string a; string form; function f; if(!request_id->conf) return; foreach(request_id->conf->logger_modules(), f) // Call all logging functions if(f(request_id,file)) return; if(!request_id->conf->log_function) return;// No file is open for logging. if(query("NoLog") && _match(request_id->remoteaddr, query("NoLog"))) return; if(!(form=request_id->conf->log_format[(string)file->error])) form = request_id->conf->log_format["*"]; if(!form) return;
fd0b6f1996-12-02Per Hedbor 
b1fca01996-11-12Per Hedbor  form=replace(form, ({ "$ip_number", "$bin-ip_number", "$cern_date", "$bin-date", "$method", "$resource", "$protocol", "$response", "$bin-response", "$length", "$bin-length", "$referer", "$user_agent", "$user", "$user_id", }), ({ (string)request_id->remoteaddr, host_ip_to_int(request_id->remoteaddr), cern_http_date(time(1)), unsigned_to_bin(time(1)), (string)request_id->method, (string)request_id->not_query, (string)request_id->prot, (string)(file->error||200), unsigned_short_to_bin(file->error||200), (string)(file->len>=0?file->len:"?"), unsigned_to_bin(file->len), (string) (sizeof(request_id->referer)?request_id->referer[0]:"-"), http_encode_string(sizeof(request_id->client)?request_id->client*" ":"-"), extract_user(request_id->realauth), (string)request_id->cookies->RoxenUserID, })); if(search(form, "host") != -1) ip_to_host(request_id->remoteaddr, write_to_log, form, request_id->remoteaddr, request_id->conf->log_function); else
fd0b6f1996-12-02Per Hedbor  request_id->conf->log_function(form);
b1fca01996-11-12Per Hedbor } // Support for unique user id's private object current_user_id_file; private int current_user_id_number, current_user_id_file_last_mod; private void restore_current_user_id_number() { if(!current_user_id_file) current_user_id_file = open(configuration_dir + "LASTUSER~", "rwc"); if(!current_user_id_file) { call_out(restore_current_user_id_number, 2); return; } current_user_id_number = (int)current_user_id_file->read(100); current_user_id_file_last_mod = current_user_id_file->stat()[2]; perror("Restoring unique user ID information. (" + current_user_id_number + ")\n"); mark_fd(current_user_id_file->query_fd(), "Unique user ID logfile.\n"); } int increase_id() { if(!current_user_id_file) { restore_current_user_id_number(); return current_user_id_number+time(); } if(current_user_id_file->stat()[2] != current_user_id_file_last_mod) restore_current_user_id_number(); current_user_id_number++; //perror("New unique id: "+current_user_id_number+"\n"); current_user_id_file->seek(0); current_user_id_file->write((string)current_user_id_number); current_user_id_file_last_mod = current_user_id_file->stat()[2]; return current_user_id_number; } // These are here for statistics and debug reasons only. public string status() {
88e1cb1996-12-07David Hedbor  float tmp;
b1fca01996-11-12Per Hedbor  string res=""; if(!current_configuration) return ("No current_configuration. No configurations enabled?\n");
4dfdeb1996-12-04Per Hedbor  if(!current_configuration->sent ||!current_configuration->received ||!current_configuration->hsent) return "Fatal error in status(): Bignum object gone.\n";
88e1cb1996-12-07David Hedbor  tmp = (current_configuration->sent->mb()/(float)(time(1)-start_time+1)* QUERY(copies));
27b0e11996-11-26Per Hedbor  res = sprintf("<table><tr align=right><td><b>Sent data:</b></td><td>%.2fMB" "</td><td>%.2f Kbit/sec</td>",
88e1cb1996-12-07David Hedbor  current_configuration->sent->mb()*(float)(QUERY(copies)),
27b0e11996-11-26Per Hedbor  tmp * 8192.0);
b1fca01996-11-12Per Hedbor 
27b0e11996-11-26Per Hedbor  res += sprintf("<td><b>Sent headers:</b></td><td>%.2fMB</td>", current_configuration->hsent->mb()*(float)QUERY(copies));
88e1cb1996-12-07David Hedbor  tmp=(((float)current_configuration->requests*(float)600)/ (float)((time(1)-start_time)+1)*QUERY(copies));
b1fca01996-11-12Per Hedbor  res += ("<tr align=right><td><b>Number of requests:</b></td><td>" + sprintf("%8d", current_configuration->requests*QUERY(copies))
27b0e11996-11-26Per Hedbor  + sprintf("</td><td>%.2f/min</td><td><b>Recieved data:</b></" "td><td>%.2f</td>", (float)tmp/(float)10, (current_configuration->received->mb() *(float)QUERY(copies))));
b1fca01996-11-12Per Hedbor  return res +"</table>"; } public string full_status() { int tmp; string res=""; array foo = ({0.0, 0.0, 0.0, 0.0, 0}); if(!sizeof(configurations)) return "<B>No virtual servers enabled</B>\n";
88e1cb1996-12-07David Hedbor #define conf configurations[tmp] for(tmp = 0; tmp < sizeof(configurations); tmp++)
b1fca01996-11-12Per Hedbor  {
88e1cb1996-12-07David Hedbor  if(!conf->sent ||!conf->received ||!conf->hsent) continue;
27b0e11996-11-26Per Hedbor  foo[0]+=conf->sent->mb()/(float)(time(1)-start_time+1)*(float)QUERY(copies); foo[1]+=conf->sent->mb()*(float)QUERY(copies); foo[2]+=conf->hsent->mb()*(float)QUERY(copies); foo[3]+=conf->received->mb()*(float)QUERY(copies); foo[4]+=conf->requests * QUERY(copies);
b1fca01996-11-12Per Hedbor  }
88e1cb1996-12-07David Hedbor #undef conf
b1fca01996-11-12Per Hedbor  for(tmp = 1; tmp < 4; tmp ++) { if(foo[tmp] < 1024.0)
27b0e11996-11-26Per Hedbor  foo[tmp] = sprintf("%.2f MB", foo[tmp]);
b1fca01996-11-12Per Hedbor  else
27b0e11996-11-26Per Hedbor  foo[tmp] = sprintf("%.2f GB", foo[tmp]/1024.0);
b1fca01996-11-12Per Hedbor  } res = ("<table><tr align=right><td><b>Sent data:</b></td><td>"+ foo[1] + sprintf("</td><td>%.2f Kbit</td>", foo[0] * 8192.0)); res += "<td><b>Sent headers:</b></td><td>"+ foo[2] +"</td>\n"; tmp=(foo[4]*600)/((time(1)-start_time)+1); res += ("<tr align=right><td><b>Number of requests:</b></td><td>" + sprintf("%8d", foo[4]) + sprintf("</td><td>%.2f/min</td>", (float)tmp/(float)10)+ "<td><b>Recieved data:</b></td><td>" + foo[3] +"</td>"); return res +"</table>"; } // These are now more or less outdated, the modules really _should_ // pass the information about the current configuration to roxen, // to enable async operations. This information is in id->conf. // // In the future, most, if not all, of these functions will be moved // to the configuration object. The functions will still be here for // compatibility for a while, though. public string *userinfo(string u, object id) { if(id) current_configuration = id->conf; if(current_configuration->auth_module) return current_configuration->auth_module->userinfo(u); return 0; } public string *userlist(object id) { if(id) current_configuration = id->conf; if(current_configuration->auth_module) return current_configuration->auth_module->userlist(); return 0; } public string *user_from_uid(int u, object id) { if(id) current_configuration = id->conf; if(current_configuration->auth_module) return current_configuration->auth_module->user_from_uid(u); } public string last_modified_by(object file, object id) { int *s; int uid; mixed *u; if(objectp(file)) s=file->stat(); if(!s || sizeof(s)<5) return "A. Nonymous"; uid=s[5]; u=user_from_uid(uid, id); if(u) return u[0]; return "A. Nonymous"; } // FIXME private object find_configuration_for(object bar) { object maybe; if(!bar) return configurations[0]; foreach(configurations, maybe) if(maybe->otomod[bar]) return maybe; return configurations[-1]; } // FIXME public varargs string type_from_filename( string file, int to ) { mixed tmp; string ext=extension(file); if(!current_configuration) current_configuration = find_configuration_for(previous_object()); if(!current_configuration->types_fun) return to?({ "application/octet-stream", 0 }):"application/octet-stream"; while(file[-1] == '/') file = file[0..strlen(file)-2]; // Security patch? if(tmp = current_configuration->types_fun(ext)) { mixed tmp2,nx; if(tmp[0] == "strip") { tmp2=file/"."; if(sizeof(tmp2) > 2) nx=tmp2[-2]; if(nx && (tmp2=current_configuration->types_fun(nx))) tmp[0] = tmp2[0]; else if(tmp2=current_configuration->types_fun("default")) tmp[0] = tmp2[0]; else tmp[0]="application/octet-stream"; } return to?tmp:tmp[0]; } else { if(!(tmp=current_configuration->types_fun("default"))) tmp=({ "application/octet-stream", 0 }); } return 0; } private static int nest = 0; #ifdef MODULE_LEVEL_SECURITY private mapping misc_cache=([]); int|mapping check_security(function a, object id, void|int slevel) { array level; int need_auth; array seclevels;
27b0e11996-11-26Per Hedbor 
b1fca01996-11-12Per Hedbor  if(!(seclevels = misc_cache[ a ])) misc_cache[ a ] = seclevels = ({ function_object(a)->query_seclevels(), function_object(a)->query("_seclvl") });
23a9621996-12-09David Hedbor  if(slevel && (seclevels[1] > slevel)) // "Trustlevel" to low.
b1fca01996-11-12Per Hedbor  return 1; if(!sizeof(seclevels[0])) return 0; // Ok if there are no patterns. catch { foreach(seclevels[0], level) switch(level[0]) { case MOD_ALLOW: // allow ip=... if(level[1](id->remoteaddr)) return 0; // Match. It's ok.
df3eec1996-12-19David Hedbor  return http_low_answer(403, "<h2>Access forbidden</h2>");
b1fca01996-11-12Per Hedbor  continue; case MOD_DENY: // deny ip=... if(level[1](id->remoteaddr)) throw("");
df3eec1996-12-19David Hedbor  return http_low_answer(403, "<h2>Access forbidden</h2>");
b1fca01996-11-12Per Hedbor  continue;
27b0e11996-11-26Per Hedbor 
b1fca01996-11-12Per Hedbor  case MOD_USER: // allow user=... if(id->auth && id->auth[0] && level[1](id->auth[1])) return 0; need_auth = 1;
a397fe1996-12-13David Hedbor  continue;
dde9651996-12-08David Hedbor  case MOD_PROXY_USER: // allow user=... if(id->misc->proxyauth && id->misc->proxyauth[0] && level[1](id->misc->proxyauth[1])) return 0; return http_proxy_auth_required("user");
b1fca01996-11-12Per Hedbor  } }; // If auth is needed (access might be allowed if you are the right user), // request authentification from the user. Otherwise this is a lost case, // the user will never be allowed access unless the patterns change. return need_auth ? http_auth_failed("user") : 1; } // Some clients does _not_ handle the magic 'internal-gopher-...'. // So, lets do it here instead. private mapping internal_gopher_image(string from) { sscanf(from, "%s.gif", from); sscanf(from, "%s.jpg", from); from -= "."; // Disallow "internal-gopher-..", it won't really do much harm, but a list of // all files in '..' might be retrieved (that is, the actual directory // file was sent to the browser) return (["file":open("roxen-images/dir/"+from+".gif","r"), "type":"image/gif"]); } // Inspired by the internal-gopher-... thingie, this is the images // from the configuration interface. :-) private mapping internal_roxen_image(string from) { sscanf(from, "%s.gif", from); sscanf(from, "%s.jpg", from); from -= "."; // Disallow "internal-roxen-..", it won't really do much harm, but a list of // all files in '..' might be retrieved (that is, the actual directory // file was sent to the browser) // /internal-roxen-../.. was never possible, since that would be remapped to // /.. return (["file":open("roxen-images/"+from+".gif", "r"),"type":"image/gif"]); } public mapping|int get_file(object id, int|void no_magic); // The function that actually tries to find the data requested. All // modules are mapped, in order, and the first one that returns a // suitable responce is used. static private mapping|int low_get_file(object id, int|void no_magic) { #ifdef MODULE_LEVEL_SECURITY int slevel; #endif string file=id->not_query; string loc; function funp; mixed tmp, tmp2; mapping|object fid; current_configuration = id->conf; // This is needed if(!no_magic) { #ifndef NO_INTERNAL_HACK // No, this is not beautiful... :) if(sscanf(id->not_query, "%*s/internal-%s", loc)) { if(sscanf(loc, "gopher-%[^/]", loc)) // The directory icons. return internal_gopher_image(loc); if(sscanf(loc, "spinner-%[^/]", loc) // Configuration interface images. ||sscanf(loc, "roxen-%[^/]", loc)) // Try /internal-roxen-power return internal_roxen_image(loc); } #endif if(id->prestate->diract) { if(current_configuration->dir_module) tmp = current_configuration->dir_module->parse_directory(id); if(mappingp(tmp)) return tmp; } } // Well, this just _might_ be somewhat over-optimized, since it is // quite unreadable, but, you cannot win them all.. #ifdef URL_MODULES // Map URL-modules. foreach(current_configuration->url_modules(id), funp) if((tmp=funp( id, file )) && (mappingp( tmp )||objectp( tmp )) ) { array err; if(tmp->error) return tmp; nest ++; err = catch { if( nest < 20 ) tmp = low_get_file( tmp, no_magic ); else error("Too deep recursion in roxen::get_file() while mapping " +file+".\n"); }; nest = 0; if(err) throw(err); return tmp; } #endif #ifdef EXTENSION_MODULES if(tmp=current_configuration->extension_modules(loc=extension(file), id)) foreach(tmp, funp) if(tmp=funp(loc, id)) { if(!objectp(tmp)) return tmp; fid = tmp; #ifdef MODULE_LEVEL_SECURITY slevel = function_object(funp)->query("_seclvl"); #endif break; } #endif foreach(current_configuration->location_modules(id), tmp) { loc = tmp[0]; if(!search(file, loc)) { #ifdef MODULE_LEVEL_SECURITY if(tmp2 = check_security(tmp[1], id, slevel)) if(intp(tmp2)) { continue; } else { return tmp2; } #endif if(fid=tmp[1]( file[ strlen(loc) .. 1000000 ] + id->extra_extension, id)) { id->virtfile = loc; if(mappingp(fid)) return fid; else { #ifdef MODULE_LEVEL_SECURITY slevel = misc_cache[ tmp[1] ][1];// misc_cache from check_security #endif break; } } } else if(strlen(loc)-1==strlen(file)) { // This one is here to allow accesses to /local, even if // the mountpoint is /local/. It will slow things down, but... if(file+"/" == loc) return http_redirect(id->not_query + "/", id); } } if(fid == -1) { if(no_magic) return -1; if(current_configuration->dir_module) fid = current_configuration->dir_module->parse_directory(id); else return 0; if(mappingp(fid)) return (mapping)fid; } // Map the file extensions, but only if there is a file... if(objectp(fid) && (tmp=current_configuration-> file_extension_modules(loc=extension(id->not_query), id))) foreach(tmp, funp) { #ifdef MODULE_LEVEL_SECURITY if(tmp=check_security(funp, id, slevel)) if(intp(tmp)) { continue; } else return tmp; #endif if(tmp=funp(fid, loc, id)) { if(!objectp(tmp)) return tmp; if(fid) destruct(fid); fid = tmp; break; } } if(objectp(fid)) { if(stringp(id->extension)) id->not_query += id->extension; tmp=type_from_filename(id->not_query, 1); if(tmp) return ([ "file":fid, "type":tmp[0], "encoding":tmp[1] ]); return ([ "file":fid, ]); } return fid; } public mapping|int get_file(object id, int|void no_magic) { mixed res, res2; function tmp; res = low_get_file(id, no_magic); // finally map all filter type modules. // Filter modules are like TYPE_LAST modules, but they get called // for _all_ files. foreach(id->conf->filter_modules(id), tmp) if(res2=tmp(res,id)) { if(res && res->file && (res2->file != res->file)) destruct(res->file); res=res2; } return res; } // Map location-modules, and then build a listing of this virtual // directory. public array find_dir(string file, object id) { string loc; array dir = ({ }), d, tmp; file=replace(file, "//", "/"); current_configuration = id->conf; foreach(current_configuration->location_modules(), tmp) { loc = tmp[0]; if(file[0] != '/') file = "/" + file; if(!search(file, loc)) { //#ifdef MODULE_LEVEL_SECURITY // if(check_security(tmp[1], id)) continue; //#endif if(d=function_object(tmp[1])->find_dir(file[strlen(loc)..1000000], id)) dir |= d; } else { if(search(loc, file)==0 && loc[strlen(file)-1]=='/' && (loc[0]==loc[-1]) && loc[-1]=='/') { loc=loc[strlen(file)..100000]; sscanf(loc, "%s/", loc); dir += ({ loc }); } } } if(sizeof(dir)) return dir; } // Stat a virtual file. public array stat_file(string file, object id) { string loc; array s, tmp; current_configuration = id->conf; file=replace(file, "//", "/"); // "//" is really "/" here... // Map location-modules. foreach(current_configuration->location_modules(), tmp) { loc = tmp[0]; if((file == loc) || ((file+"/")==loc)) return ({ 0, -3, 0, 0, 0, 0, 0, 0, 0, 0, 0 }); if(!search(file, loc)) { //#ifdef MODULE_LEVEL_SECURITY // if(check_security(tmp[1], id)) continue; //#endif if(s=function_object(tmp[1])->stat_file(file[strlen(loc)..], id)) return s; } } } // Access a virtual file? public array access(string file, object id) { string loc; array s, tmp; current_configuration = id->conf; file=replace(file, "//", "/"); // "//" is really "/" here... // Map location-modules. foreach(current_configuration->location_modules(), tmp) { loc = tmp[0]; if((file+"/")==loc) return file+="/"; if(!search(file, loc)) { #ifdef MODULE_LEVEL_SECURITY if(check_security(tmp[1], id)) continue; #endif if(s=function_object(tmp[1])->access(file[strlen(loc)..], id)) return s; } } } // Return the _real_ filename of a virtual file, if any. public string real_file(string file, object id) { string loc; string s; array tmp; file=replace(file, "//", "/"); // "//" is really "/" here... if(!id) error("No id passed to real_file"); // Map location-modules. current_configuration = id->conf; foreach(current_configuration->location_modules(), tmp) { loc = tmp[0]; if(!search(file, loc)) { #ifdef MODULE_LEVEL_SECURITY if(check_security(tmp[1], id)) continue; #endif if(s=function_object(tmp[1])->real_file(file[strlen(loc)..1000000], id)) return s; } } } // Convenience functions used in quite a lot of modules. Tries to // read a file into memory, and then returns the resulting string. // NOTE: A 'file' can be a cgi script, which will be executed, resulting in // a horrible delay. public mixed try_get_file(string s, object id, int|void status, int|void nocache) { string res, q; object fake_id; mapping m; if(objectp(id)) fake_id = id->clone_me(); else error("No ID passed to 'try_get_file'\n"); if(!id->pragma["no-cache"] ) if(res = cache_lookup("file:"+id->conf->name, s)) return res; current_configuration = id->conf; if(sscanf(s, "%s?%s", s, q)) { string v, name, value; foreach(q/"&", v) if(sscanf(q, "%s=%s", name, value)) fake_id->variables[http_decode_string(name)]=value; fake_id->query=q; } fake_id->raw_url=s; fake_id->not_query=s; fake_id->misc->internal_get=1; if(!(m = get_file(fake_id))) { fake_id->end(); return 0; } fake_id->end(); if(status) return 1; #ifdef COMPAT if(m["string"]) res = m["string"]; // Compability.. #endif else if(m->data) res = m->data; else res=""; m->data = 0; if(m->file) { res += m->file->read(200000); destruct(m->file); m->file = 0; } if(m->raw) { res -= "\r"; if(!sscanf(res, "%*s\n\n%s", res)) sscanf(res, "%*s\n%s", res); } cache_set("file:"+id->conf->name, s, res); return res; } // Is 'what' a file in our virtual filesystem? public int is_file(string what, object id) { return !!stat_file(what, id); } // Called from the configuration interface. string check_variable(string name, string value) { switch(name) { case "cachedir": if(!sscanf(value, "%*s/roxen_cache")) { object node; node = (configuration_interface()->root->descend("Globals", 1)-> descend("Proxy disk cache: Base Cache Dir", 1)); if(node && !node->changed) node->change(1); call_out(set, 0, "cachedir", value+"roxen_cache/"); mkdirhier(value+"roxen_cache/foo"); } break; case "copies": if((int)value < 1) return "You must have at least one copy of roxen running"; break; case "ConfigurationURL": case "MyWorldLocation": if(strlen(value)<7 || value[-1] != '/' || !(sscanf(value,"%*s://%*s/")==2)) return "The URL should follow this format: protocol://computer[:port]/"; } }
38dca81996-12-10Per Hedbor void stop_all_modules() { foreach(configurations, object conf) conf->stop(); }
b1fca01996-11-12Per Hedbor // Perhaps somewhat misnamed, really... This function will close all // listen ports, fork a new copy to handle the last connections, and // then quit the original process. The 'start' script should then // start a new copy of roxen automatically. mapping restart() {
38dca81996-12-10Per Hedbor  stop_all_modules();
b1fca01996-11-12Per Hedbor  call_out(fork_or_quit, 1); return ([ "data":read_bytes("etc/restart.html"), "type":"text/html" ]); } // This has to be refined in some way. It is not all that nice to do // it like this (write a file in /tmp, and then exit.) The major part // of code to support this is in the 'start' script. private array configuration_ports = ({ }); int startpid; mapping shutdown() { catch(map_array(indices(portno)), destruct);
19104e1996-12-07Per Hedbor 
38dca81996-12-10Per Hedbor  object privs = ((program)"privs")("Shutting down the server"); // Change to root user.
b1fca01996-11-12Per Hedbor 
38dca81996-12-10Per Hedbor  stop_all_modules();
b1fca01996-11-12Per Hedbor  if(main_configuration_port && objectp(main_configuration_port)) { // Only _really_ do something in the main process. int pid; catch(map_array(configuration_ports, destruct)); if(search(subs, getpid()) == -1) { perror("Shutting down Roxen.\n"); catch(map_array(subs, kill, signum("SIGUSR1"))); catch(map_array(subs, kill, signum("SIGKILL"))); // Fallback for systems without geteuid, Roxen will (probably) // not be able to kill the start-script if this is the case. rm("/tmp/Roxen_Shutdown_"+startpid); object f; f=open("/tmp/Roxen_Shutdown_"+startpid, "wc"); if(!f) perror("cannot open shutdown file.\n"); else f->write(""+getpid()); if(startpid != getpid()) { kill(startpid, signum("SIGINTR")); kill(startpid, signum("SIGHUP")); // kill(startpid, signum("SIGKILL")); } } } call_out(exit, 1, 0); return ([ "data":replace(read_bytes("etc/shutdown.html"), "$PWD", getcwd()), "type":"text/html" ]); } private string docurl; // I will remove this in a future version of roxen. private program __p;
2a2a5b1996-12-01Per Hedbor private mapping my_loaded = ([]);
b1fca01996-11-12Per Hedbor program last_loaded() { return __p; }
2a2a5b1996-12-01Per Hedbor  string filename(object o) { return my_loaded[object_program(o)]; }
e4bc531996-11-15Per Hedbor object load(string s) // Should perhaps be renamed to 'reload'.
b1fca01996-11-12Per Hedbor {
a52cc61996-11-20Per Hedbor #if defined(MODULE_DEBUG) && (DEBUG_LEVEL>20) perror(s+" "); #endif
b1fca01996-11-12Per Hedbor  if(file_size(s+".pike")>0)
2a2a5b1996-12-01Per Hedbor  if(__p=compile_file(s+".pike")) { my_loaded[__p]=s+".pike"; return __p(); }
b1fca01996-11-12Per Hedbor  if(file_size(s+".lpc")>0)
2a2a5b1996-12-01Per Hedbor  if(__p=compile_file(s+".lpc")) { my_loaded[__p]=s+".lpc"; return __p(); }
b1fca01996-11-12Per Hedbor  if(file_size(s+".module")>0)
2a2a5b1996-12-01Per Hedbor  if(__p=compile_file(s+".module")) { my_loaded[__p]=s+".module"; return __p(); }
b1fca01996-11-12Per Hedbor  return 0; // FAILED.. }
ab2f671996-11-12Mirar (Pontus Hagland) array(string) expand_dir(string d)
5e4ede1996-11-12Per Hedbor { string nd;
ab2f671996-11-12Mirar (Pontus Hagland)  array(string) dirs=({d});
5e4ede1996-11-12Per Hedbor 
ab2f671996-11-12Mirar (Pontus Hagland)  foreach((get_dir(d) || ({})) - ({"CVS"}) , nd) if(file_size(d+nd)==-2) dirs+=expand_dir(d+nd+"/"); return dirs;
5e4ede1996-11-12Per Hedbor }
ab2f671996-11-12Mirar (Pontus Hagland) array(string) last_dirs=0,last_dirs_expand;
5e4ede1996-11-12Per Hedbor object load_from_dirs(array dirs, string f) { string dir; object o;
ab2f671996-11-12Mirar (Pontus Hagland)  if (dirs!=last_dirs) { last_dirs_expand=({}); foreach(dirs, dir) last_dirs_expand+=expand_dir(dir); } foreach (last_dirs_expand,dir) if ( (o=load(dir+f)) ) return o;
5e4ede1996-11-12Per Hedbor  return 0; }
b1fca01996-11-12Per Hedbor  // Some logging stuff, should probably move to either the actual // configuration object, or into a module. That would be much more // beautiful, really. void init_log_file(object conf) { int possfd; object lf, oc; if(!conf) return; remove_call_out(init_log_file); oc = current_configuration; current_configuration = conf; if(current_configuration->log_function) { destruct(function_object(current_configuration->log_function)); // Free the old one. } if(query("Log")) // Only try to open the log file if logging is enabled!! { if(query("LogFile") == "stdout") { current_configuration->log_function=stdout->write; possfd=-1; } else if(query("LogFile") == "stderr") { current_configuration->log_function=stderr->write; } else { if(strlen(query("LogFile"))) {
ad96891996-12-10David Hedbor  int opened;
01d0811996-11-12Mirar (Pontus Hagland)  lf=File();
ad96891996-12-10David Hedbor  opened=lf->open( query("LogFile"), "wac"); if(!opened) mkdirhier(query("LogFile")); if(!opened && !(lf->open( query("LogFile"), "wac")))
b1fca01996-11-12Per Hedbor  { destruct(lf); report_error("Failed to open logfile. ("+query("LogFile")+")\n" + "No logging will take place!\n"); current_configuration->log_function=0; } else { mark_fd(lf->query_fd(), "Roxen log file ("+query("LogFile")+")"); current_configuration->log_function=lf->write; // Function pointer, speeds everything up (a little..). possfd=lf->query_fd(); lf=0; } } else current_configuration->log_function=0; } call_out(init_log_file, 60, current_configuration); } else current_configuration->log_function=0; current_configuration = oc; } void do_dest(object|void o); // This code should probably be moved to the configuration // object. That would free roxen from some of the most ugly hacks (the // query() function, and the current_configuration global variable (I // do not like that one, but when I started with Spider, I only // allowed one configuration, so to have the 'start' function with // friends in the spider seemed like a good idea. Then the need for more // than one configuration (known externaly as a virtual server) // manifested itself. I did a quick hack, and this is the result. void start(int num) { array port; int possfd; int err=0; object lf; mapping new=([]), o2; if(!sscanf(QUERY(cachedir), "%*s/roxen_cache")) set("cachedir", QUERY(cachedir)+"roxen_cache/"); parse_log_formats(); init_log_file(current_configuration); map_array(indices(current_configuration->open_ports), do_dest); catch { foreach(query("Ports"), port ) { array tmp; function rp; array old = port; object o; if(rp = ((object)("protocols/"+port[1]))->real_port) if(tmp = rp(port)) port = tmp;
19104e1996-12-07Per Hedbor  object privs; if(port[0] < 1024) privs = ((program)"privs")("Opening listen port below 1024");
b1fca01996-11-12Per Hedbor  if(!(o=create_listen_socket(port[0], current_configuration, port[2], (program)("protocols/"+port[1])))) { perror("I failed to open the port "+old[0]+" at "+old[2] +" ("+old[1]+")\n"); err++; } else current_configuration->open_ports[o]=old; } }; if(!num && sizeof(query("Ports"))) { if(err == sizeof(query("Ports"))) { report_error("No ports available for "+current_configuration->name+"\n" "Tried:\n" "Port Protocol IP-Number \n" "---------------------------\n" + map_array(query("Ports"), lambda(array p) { return sprintf("%5d %-10s %-20s\n", @p); })*""); } } } void create() { add_efun("roxen", this_object()); add_efun("spinner", this_object()); add_efun("load", load);
4dd97c1996-12-04Per Hedbor  (object)"color";
b1fca01996-11-12Per Hedbor } // Get the current domain. This is not as easy as one could think. private string get_domain(int|void l) { array f; string t, s; // ConfigurationURL is set by the 'install' script. if(!(!l && sscanf(QUERY(ConfigurationURL), "http://%s:%*s", s))) {
1e64b61997-01-09Anders Jackson #if efun(gethostbyname) && efun(gethostname)
b1fca01996-11-12Per Hedbor  f = gethostbyname(gethostname()); // First try.. if(f) foreach(f, f) foreach(f, t) if(search(t, ".") != -1 && !(int)t) if(!s || strlen(s) < strlen(t)) s=t; #endif if(!s) { t = read_bytes("/etc/resolv.conf"); if(t) { if(!sscanf(t, "domain %s\n", s)) if(!sscanf(t, "search %s%*[ \t\n]", s)) s="nowhere"; } else { s="nowhere"; } s = "host."+s; } } sscanf(s, "%*s.%s", s); if(s && strlen(s)) { if(s[-1] == '.') s=s[..strlen(s)-2]; if(s[0] == '.') s=s[1..]; } else { s="unknown"; } return s; } // This is the most likely URL for a virtual server. Again, this // should move into the actual 'configuration' object. It is not all // that nice to have all this code lying around in here. private string get_my_url() { string s; s = (gethostname()/".")[0] + "." + query("Domain"); s -= "\n"; return "http://" + s + "/"; } // Set the uid and gid to the ones requested by the user. If the sete* // functions are available, and the define SET_EFFECTIVE is enabled, // the euid and egid is set. This might be a minor security hole, but // it will enable roxen to start CGI scripts with the correct // permissions (the ones the owner of that script have). int set_u_and_gid() { string u, g; array pw; u=QUERY(User); if(sscanf(u, "%s:%s", u, g) == 2) { if(getuid()) { perror("It is not possible to change uid and gid if the server\n" "is not started as root.\n"); } else { if(pw = getpwnam(u)) { u = (string)pw[2]; } else pw = getpwuid((int)u); #if efun(initgroups) if(pw) initgroups(pw[0], (int)g); #endif #if efun(setegid) && defined(SET_EFFECTIVE) setegid((int)g); #else setgid((int)g); #endif #if efun(seteuid) && defined(SET_EFFECTIVE) seteuid((int)u); #else setuid((int)u); #endif return 1; } } } private program Configuration = (program)"configuration";
b2c3871996-12-04Per Hedbor static mapping __vars = ([ ]);
b1fca01996-11-12Per Hedbor  // These two should be documented somewhere. They are to be used to // set global, but non-persistent, variables in Roxen. By using // these functions modules can "communicate" with one-another. This is // not really possible otherwise. mixed set_var(string var, mixed to) { __vars[var] = to; } mixed query_var(string var) { return __vars[var]; } // The update_*_vars functions are here to automatically change the // configurationfileformat between releases, so the user can reuse the // old configuration files. They are very useful, atleast for me. private void update_global_vars(int from) { string report = ""; #define perr(X) do { report += X; perror(X); } while(0) perr("Updating global variables file....\n"); perr("----------------------------------------------------\n"); switch(from) { case 0: if(!QUERY(IfModified)) { perr("Setting the 'honor If-Modified-Since: flag to true. The " "bug\nin Roxen seems to be gone now.\n"); QUERY(IfModified) = 1; } case 1: case 2: case 3: perr("The configuration port variable is now a standard port.\n" "Adding the port '"+QUERY(ConfigurationPort)+" http "+ QUERY(ConfigurationIP)+"\n"); QUERY(ConfigPorts) = ({ ({ QUERY(ConfigurationPort), "http", QUERY(ConfigurationIP), "" }) }); case 4: case 5:
4dd97c1996-12-04Per Hedbor  if(search(QUERY(ident), "Spinner")!=-1) { QUERY(ident) = real_version; perr("Updating version field to "+real_version+"\n"); }
b1fca01996-11-12Per Hedbor  if(search(QUERY(ident), "Challenger")!=-1) QUERY(ident) = real_version; if(!search(QUERY(ident), "Roxen Challenger/1.0") && (replace(QUERY(ident),"·"," ") != real_version)) { QUERY(ident)=real_version; perr("Updating version field to "+real_version+"\n"); } else { perr("Not updating version field ("+QUERY(ident)+") since it is " "either already updated, or modified by the administrator.\n"); }
4dd97c1996-12-04Per Hedbor  case 6: // Current level
b1fca01996-11-12Per Hedbor  } perr("----------------------------------------------------\n"); report_debug(report); } // This is used to update the server-global and module variables // between Roxen releases. It enables the poor roxen administrator to // reuse the configuration file from a previous release. without any // fuss. Configuration files from Roxen 1.0ß11 pre 11 and earlier // are not differentiated, but since that release is quite old already // when I write this, that is not really a problem.... private void update_vars(int from) { string report = "";
1b406a1996-12-02David Hedbor  int i; string modname; mapping redir; mapping enabled_modules = retrieve("EnabledModules"); array p, res=({});
b1fca01996-11-12Per Hedbor  perr("Updating configuration file....\n"); perr("----------------------------------------------------\n"); switch(from) { case 0: // Pre b11p11 // Ports changed from int, int, int ... to // ({ int, "http", query("PEther") }) // if(sizeof(retrieve("spider#0"))) { p = query("Ports"); foreach(p, p) if(intp(p)) res += ({ ({ p, "http", query("PEther") }) }); perr("Updating ports variable.\n"); set("PEther", 0); set("Ports", res); } else { perr("Ports variable already fixed.\n"); } // Now comes the tricky part.. // Fix all thoose redirection modules.
1b406a1996-12-02David Hedbor  res = ({});
b1fca01996-11-12Per Hedbor  while(sizeof(redir = retrieve(modname = "redirect#"+i++))) { string from, to; if(redir->fileredirect) { res += ({ "\n\n" +redir->fileredirect }); remove( modname ); if(enabled_modules[modname] ) m_delete( enabled_modules, modname ); continue; } // from -> to remove( modname ); if(enabled_modules[modname] ) m_delete( enabled_modules, modname ); from = redir->from; to = redir->redirect; if(redir->internal) res += ({ from + " " + to }); else res += ({ from + " " + "%u" + to }); perr("Fixing redirect from " + from + " to "+to+"\n"); } if(sizeof(res)) // Hepp hopp { enabled_modules["redirect#0"] = 1; store("redirect#0", ([ "fileredirect":"# Automatically converted patterns...\n\n" + res*"\n" ]), 1); } // And now the etc/extentions bug... redir = retrieve("contenttypes#0"); if(!sizeof(redir)) enabled_modules["contenttypes#0"] = 1; else { redir->exts = replace(redir->exts, "etc/extentions", "etc/extensions"); store("contenttypes#0", redir, 1); perr("Fixing spelling error in contenttypes configuration.\n"); } // Is there a directory parser in there somewhere? perror("Making a list of all wanted index files...\n"); i=0; res=({ }); while(sizeof(redir = retrieve(modname = "userfs#"+i++))) { if(redir->indexfiles) { res |= redir->indexfiles; #if 0 if(!redir->indexoverride) { perr("WARNING: The user filesystem mounted on " + redir->mountpoint +"\n" " had the indexfile override flag set to false.\n" " This variable no longer exists. Create a file named" " .nodiraccess\n" " in the directory to disable directory listings.\n"); } #endif redir[".files"] = !redir[".files"]; store("userfs#"+(i-1), redir, 1); #ifdef SUPPORT_HTACCESS if(redir[".htaccess"]) { if(!query("htaccess")) { perr("A filesystem used .htaccess parsing.\n" "This variable is now server global.\n" "This variable has now been set to 'Yes'\n"); set("htaccess", 1); } } #endif } } i=0; while(sizeof(redir = retrieve(modname = "secure_fs#"+i++))) { if(redir->indexfiles) { res |= redir->indexfiles; #if 0 if(!redir->indexoverride) { perr("WARNING: The secure filesystem mounted on " + redir->mountpoint +"\n" " had the indexfile override flag set to false.\n" " This variable no longer exists. Create a file named" " .nodiraccess\n" " in the directory to disable directory listings.\n"); } #endif redir[".files"] = !redir[".files"]; store("secure_fs#"+(i-1), redir, 1); #ifdef SUPPORT_HTACCESS if(redir[".htaccess"]) { if(!query("htaccess")) { perr("A secure filesystem used .htaccess parsing.\n" "This variable is now server global.\n" "This variable has now been set to 'Yes'\n"); set("htaccess", 1); } } #endif } } i=0; while(sizeof(redir = retrieve(modname = "filesystem#"+i++))) { if(redir->indexfiles) { res |= redir->indexfiles; #if 0 if(!redir->indexoverride) { perror("WARNING: The filesystem mounted on " + redir->mountpoint +"\n" " had the indexfile override flag set to false.\n" " This variable no longer exists. Create a file named" " .nodiraccess\n" " in the directory to disable directory listings.\n"); } #endif redir[".files"] = !redir[".files"]; store("filesystem#"+(i-1), redir, 1); #ifdef SUPPORT_HTACCESS if(redir[".htaccess"]) { if(!query("htaccess")) { perr("A user filesystem used .htaccess parsing.\n" "This variable is now server global.\n" "It has been set to 'Yes'\n"); set("htaccess", 1); } } #endif } } perr("-> "+implode_nicely(res)+"\n"); for(i=0; i<10; i++) { remove("status#"+i); m_delete(enabled_modules, "status#"+i); } if(!sizeof(retrieve("directories#0")) && (sizeof(redir = retrieve("fastdir#0")))) { redir->indexfiles = res; store("fastdir#0", redir, 1); perr("Updated fast directory parser to include new list.\n"); } else { if(!(sizeof(redir = retrieve("directories#0")))) { enabled_modules["directories#0"] = 1; perr("Enabled a directory parsing module.\n"); redir = ([ ]); } redir->indexfiles = res; store("directories#0", redir, 1); perr("Updated directory parser to include new list.\n"); } perr("Saving new module list.\n"); store( "EnabledModules", enabled_modules, 1 ); case 1: case 2: perr("The 'No directory lists' variable is yet again available.\n"); case 3: // The htaccess support moved to a module. if(query(".htaccess")) { perr("The 'HTACCESS' support has been moved to a module.\n"); enable_module("htaccess#0"); } case 4:
1b406a1996-12-02David Hedbor  case 5: while(sizeof(redir = retrieve(modname = "lpcscript#"+i))) { remove( modname ); if(search(redir->exts, "pike") == -1) redir->exts += ({"pike"}); if(enabled_modules[modname] ) m_delete( enabled_modules, modname ); store("pikescript#"+i, redir, 1); enable_module("pikescript#"+i); perr("Renaming "+modname+" to pikescript#"+i+"\n"); i++; } store( "EnabledModules", enabled_modules, 1 ); case 6:// Current level.
b1fca01996-11-12Per Hedbor  }
1b406a1996-12-02David Hedbor 
b1fca01996-11-12Per Hedbor  perr("----------------------------------------------------\n"); report_debug(report); } // Used to hide some variables when logging is not enabled. int log_is_not_enabled() { return !query("Log"); } // This function should be moved into the configuration object, since // that would really make the object-hierarchy much clearer. Then it // would be possible to do // clone(configp)->enable(name_of_configuration); instead of // (config=clone(configp))->name=name_of_configuration; // enable_configuration(config);, it would also remove the need for // the global variable 'current_configuration', and also speed up some // of the functions below.
30bf651997-01-06David KÃ¥gedal object enable_configuration(string config)
b1fca01996-11-12Per Hedbor { array modules_to_process; string tmp_string; perror("Enabling virtual server '"+config+"'\n");
01d0811996-11-12Mirar (Pontus Hagland)  current_configuration = Configuration(config);
b1fca01996-11-12Per Hedbor  configurations += ({ current_configuration }); definvisvar("htaccess", 0, TYPE_FLAG); // COMPAT ONLY #ifdef COMPAT // b10 and below, compatibility removed. definvisvar("PEther", "ANY", TYPE_STRING); #endif
ba73a21996-12-10Per Hedbor 
b1fca01996-11-12Per Hedbor  defvar("ZNoSuchFile", "<title>Sorry. I cannot find this resource</title>" "\n<h2 align=center><configimage src=roxen.gif alt=\"File not found\">\n" "<p><hr noshade>" "\n<i>Sorry</i></h2>\n" "<br clear>\n<font size=+2>The resource requested " "<i>$File</i>\ncannot be found.<p>\n\nIf you feel that this is a " "configuration error, please contact " "the administrators or the author of the <if referer>" "<a href=<referer>>referring</a> </if> <else>referring</else> page."
2a2a5b1996-12-01Per Hedbor  "<p>\n</font>\n"
b1fca01996-11-12Per Hedbor  "<hr noshade>" "<version>, at <a href=$Me>$Me</a>.\n", "Messages: No such file", TYPE_TEXT_FIELD, "What to return when there is no resource or file available " "at a certain location. $File will be replaced with the name " "of the resource requested, and $Me with the URL of this server "); defvar("comment", "", "Configuration interface comment", TYPE_TEXT_FIELD, "This text will be visible in the configuration interface, it " " can be quite useful to use as a memory helper."); defvar("name", "", "Configuration interface name", TYPE_STRING, "This is the name that will be used in the configuration " "interface. If this is left empty, the actual name of the " "virtual server will be used"); defvar("LogFormat", "404: $host $referer - [$cern_date] \"$method $resource $protocol\" 404 -\n" "500: $host ERROR - [$cern_date] \"$method $resource $protocol\" 500 -\n" "*: $host - - [$cern_date] \"$method $resource $protocol\" $response $length" , "Logging: Format", TYPE_TEXT_FIELD, "What format to use for logging. The syntax is:\n" "<pre>" "response-code or *: Log format for that response acode\n\n" "Log format is normal characters, or one or more of the " "variables below:\n" "\n"
fd0b6f1996-12-02Per Hedbor  "\\n \\t \\r -- As in C, newline, tab and linefeed\n" "$char(int) -- Insert the (1 byte) character specified by the integer.\n" "$wchar(int) -- Insert the (2 byte) word specified by the integer.\n" "$int(int) -- Insert the (4 byte) word specified by the integer.\n" "$^ -- Supress newline at the end of the logentry\n"
b1fca01996-11-12Per Hedbor  "$host -- The remote host name, or ip number.\n" "$ip_number -- The remote ip number.\n" "$bin-ip_number -- The remote host id as a binary integer number.\n" "\n" "$cern_date -- Cern Common Log file format date.\n" "$bin-date -- Time, but as an 32 bit iteger in network byteorder\n" "\n" "$method -- Request method\n" "$resource -- Resource identifier\n" "$protocol -- The protocol used (normally HTTP/1.0)\n" "$response -- The response code sent\n" "$bin-response -- The response code sent as a binary short number\n" "$length -- The length of the data section of the reply\n" "$bin-length -- Same, but as an 32 bit iteger in network byteorder\n" "$referer -- the header 'referer' from the request, or '-'.\n" "$user_agent -- the header 'User-Agent' from the request, or '-'.\n\n" "$user -- the name of the auth user used, if any\n" "$user_id -- A unique user ID, if cookies are supported,\n" " by the client, otherwise '0'\n" "</pre>", 0, log_is_not_enabled); defvar("Log", 1, "Logging: Enabled", TYPE_FLAG, "Log requests"); defvar("LogFile", QUERY(logdirprefix)+ short_name(current_configuration->name)+"/Log", "Logging: Log file", TYPE_FILE, "The log file. " "stdout for standard output, or stderr for standard error, or "+
01d0811996-11-12Mirar (Pontus Hagland)  "a file name. May be relative to "+getcwd()+".",0, log_is_not_enabled);
b1fca01996-11-12Per Hedbor  defvar("NoLog", ({ }), "Logging: No Logging for", TYPE_STRING_LIST, "Don't log requests from hosts with an IP number which matches any " "of the patterns in this list. This also affects the access counter " "log.\n",0, log_is_not_enabled); defvar("Domain", get_domain(), "Domain", TYPE_STRING, "Your domainname, should be set automatically, if not, " "enter the real domain name here, and send a bug report to " "<a href=mailto:roxen-bugs@infovav.se>roxen-bugs@infovav.se" "</a>"); defvar("Ports", ({ }), "Listen ports", TYPE_PORTS, "The ports this virtual instance of Roxen will bind to.\n"); defvar("MyWorldLocation", get_my_url(), "Server URL", TYPE_STRING, "This is where your start page is located."); // This should be somewhere else, I think. Same goes for HTTP related ones defvar("FTPWelcome", " +-------------------------------------------------\n" " +-- Welcome to the Roxen Challenger FTP server ---\n" " +-------------------------------------------------\n", "Messages: FTP Welcome", TYPE_TEXT_FIELD, "FTP Welcome answer; transmitted to new FTP connections if the file " "<i>/welcome.msg</i> doesn't exist.\n"); defvar("_v", CONFIGURATION_FILE_LEVEL, 0, TYPE_INT, 0, 0, 1); setvars(retrieve("spider#0")); if((sizeof(retrieve("spider#0")) && (!retrieve("spider#0")->_v) || (query("_v") < CONFIGURATION_FILE_LEVEL))) { update_vars(retrieve("spider#0")->_v?query("_v"):0); killvar("PEther"); // From Spinner 1.0b11 current_configuration->variables->_v[VAR_VALUE] = CONFIGURATION_FILE_LEVEL; store("spider#0", current_configuration->variables, 0); } set("_v", CONFIGURATION_FILE_LEVEL); modules_to_process = sort_array(indices(retrieve("EnabledModules"))); // Always enable the user database module first. if(search(modules_to_process, "userdb#0")>-1) modules_to_process = (({"userdb#0"}) + (modules_to_process-({"userdb#0"})));
5e4ede1996-11-12Per Hedbor  array err;
b1fca01996-11-12Per Hedbor  foreach( modules_to_process, tmp_string )
5e4ede1996-11-12Per Hedbor  if(err = catch( enable_module( tmp_string ) ))
4eedec1996-11-12Per Hedbor  perror("Failed to enable the module "+tmp_string+". Skipping\n"
5e4ede1996-11-12Per Hedbor #ifdef MODULE_DEBUG
4eedec1996-11-12Per Hedbor  +describe_backtrace(err)+"\n"
5e4ede1996-11-12Per Hedbor #endif );
30bf651997-01-06David KÃ¥gedal  return current_configuration;
b1fca01996-11-12Per Hedbor } // Enable all configurations static private void enable_configurations() { array configs; string config; enabling_configurations = 1; catch { configs=list_all_configurations(); // From read_config.pike configurations = ({}); foreach(configs, config) { enable_configuration(config); start(0); } }; enabling_configurations = 0; } // return the URL of the configuration interface. This is not as easy // as it sounds, unless the administrator has entered it somewhere. public string config_url() { if(strlen(QUERY(ConfigurationURL)-" ")) return QUERY(ConfigurationURL)-" "; array ports = QUERY(ConfigPorts), port, tmp; if(!sizeof(ports)) return "CONFIG"; int p; string prot; string host; foreach(ports, tmp) if(tmp[1]=="ssl") { port=tmp; break; } if(!port) foreach(ports, tmp) if(tmp[1]=="http") { port=tmp; break; } if(!port) port=ports[0]; if(port[2] == "ANY") // host = quick_ip_to_host( port[2] ); // else { #if efun(gethostname) host = gethostname(); #else #if 0 if(configuration_interface()-> #endif host = "127.0.0.1"; #endif } prot = (port[1]!="ssl"?port[1]:"https"); p = port[0]; return (prot+"://"+host+":"+p+"/"); } // The following three functions are used to hide variables when they // are not used. This makes the user-interface clearer and quite a lot // less clobbered. int cache_disabled_p() { return !QUERY(cache); } int syslog_disabled() { return QUERY(LogA)!="syslog"; } int copies_is_one() { return QUERY(copies)==1; } int copies_is_not_one(){ return QUERY(copies)!=1; } private void define_global_variables( int argc, array (string) argv ) { int p; current_configuration=0; // Hidden variables (compatibility ones, or internal or too // dangerous (in the case of chroot, the variable is totally // removed. #if 0 globvar("chroot", "", "Server root dir", TYPE_DIR, "If you don't know what chroot() will do, this is not the variable " "for you. If set, it be the new root directory for roxen.",1); #endif globvar("set_cookie", 1, "Set unique user id cookies", TYPE_FLAG, "If set, all users of your server whose clients supports " "cookies will get a unique 'user-id-cookie', this can then be " "used in the log and in scripts to track individual users."); globvar("show_internals", 1, "Show the internals", TYPE_FLAG, "Show 'Internal server error' messages to the user. " "This is very useful if you are debugging your own modules "
d8aa651996-12-09David Hedbor  "or writing Pike scripts.");
b1fca01996-11-12Per Hedbor  globvar("ConfigurationIP", "ANY", "Configuration interface: Interface", TYPE_STRING, "The IP number to bind to. If set to 127.0.0.1, all configuration " "will have to take place from the localhost. This is most secure, " "but it will be more cumbersome to configure the server remotely.", 0, 1); globvar("ConfigurationPort", 22202, "Configuration interface: Port", TYPE_INT, "the portnumber of the configuration interface. Anything will do, " "but you will have to be able to remember it to configure " "the server.", 0, 1); globvar("_v", CONFIGURATION_FILE_LEVEL, 0, TYPE_INT, 0, 0, 1);
e4bc531996-11-15Per Hedbor  globvar("logdirprefix", "../logs/", "Log directory prefix", TYPE_DIR, "This is the default file path that will be prepended to the log " " file path in all the default modules and the virtual server.");
b1fca01996-11-12Per Hedbor  // Cache variables. The actual code recides in the file // 'disk_cache.pike' globvar("cache", 0, "Proxy disk cache: Enabled", TYPE_FLAG, "Is the cache enabled at all?"); globvar("garb_min_garb", 1, "Proxy disk cache: Clean size", TYPE_INT, "Minimum number of Megabytes removed when a garbage collect is done", 0, cache_disabled_p); #if 0 // TBD globvar("cache_minimum_left", 5, "Proxy disk cache: Minimum " "available free space", TYPE_INT,
27b0e11996-11-26Per Hedbor  "If less than this amount of disk space (in MB) is left, "
b1fca01996-11-12Per Hedbor  "the cache will remove a few files", 0, cache_disabled_p); #endif globvar("cache_size", 25, "Proxy disk cache: Size", TYPE_INT,
27b0e11996-11-26Per Hedbor  "How many MB may the cache grow to before a garbage collect is done?",
b1fca01996-11-12Per Hedbor  0, cache_disabled_p); globvar("bytes_per_second", 50, "Proxy disk cache: Bytes per second", TYPE_INT, "How file size should be treated during garbage collect. " " Each X bytes counts as a second, so that larger files will" " be removed first.", 0, cache_disabled_p);
88e1cb1996-12-07David Hedbor  globvar("cachedir", "/tmp/roxen_cache/", "Proxy disk cache: Base Cache Dir",
b1fca01996-11-12Per Hedbor  TYPE_DIR, "This is the base directory where cached files will reside. " "To avoid mishaps, 'roxen_cache/' is always prepended to this " "variable.", 0, cache_disabled_p);
e4bc531996-11-15Per Hedbor  globvar("hash_num_dirs", 500, "Proxy disk cache: Number of hash directories", TYPE_INT, "This is the number of directories to hash the contents of the disk " "cache into. Changing this value currently invalidates the whole " "cache, since the cache cannot find the old files. In the future, "
88e1cb1996-12-07David Hedbor  " the cache will be recalculated when this value is changed.", 0, cache_disabled_p);
e4bc531996-11-15Per Hedbor  /// End of cache variables..
b1fca01996-11-12Per Hedbor  globvar("docurl", "http://roxen.com", "Documentation URL", TYPE_STRING, "The URL to prepend to all documentation urls throughout the " "server. This URL should _not_ end with a '/'."); globvar("pidfile", "/tmp/roxen_pid:$uid", "PID file", TYPE_FILE, "In this file, the server will write out it's PID, and the PID " "of the start script. $pid will be replaced with the pid, and " "$uid with the uid of the user running the process."); globvar("ident", replace(real_version," ","·"), "Identify as", TYPE_STRING, "What Roxen will call itself when talking to clients " "It might be useful to set this so that it does not include " "the actual version of Roxen, as recommended by " "the HTTP/1.0 draft 03:<p><blockquote><i>" "Note: Revealing the specific software version of the server " "may allow the server machine to become more vulnerable to " "attacks against software that is known to contain security " "holes. Server implementors are encouraged to make this field " "a configurable option.</i></blockquote>"); globvar("BS", 0, "Configuration interface: Compact layout", TYPE_FLAG, "Sick and tired of all those images? Set this variable to 'Yes'!"); globvar("DOC", 1, "Configuration interface: Help texts", TYPE_FLAG, "Do you want documentation? (this is an example of documentation)"); globvar("BG", 1, "Configuration interface: Background", TYPE_FLAG, "Should the background be set by the configuration interface?"); globvar("NumAccept", 1, "Number of accepts to attempt", TYPE_INT_LIST, "The maximum number of accepts to attempt for each read callback " "from the main socket. <p> Increasing this will make the server" " faster for users making many simultaneous connections to it, or" " if you have a very busy server. <p> It won't work on some systems" ", though, eg. IBM AIX 3.2<p> To see if it works, change this" " variable, <b> but don't press save</b>, and then try connecting to" " your server. If it works, come back here and press the save button" ". <p> If it doesen't work, just restart the server and be happy " "with having '1' in this field.<p>" "The higher you set this value, the less load balancing between" " virtual servers (if there are 256 more or less simultaneous " "requests to server 1, and one to server 2, and this variable is " "set to 256, the 256 accesses to the first server might very well be" " handled before the one to the second server.)", ({ 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024 }), copies_is_not_one); globvar("ConfigPorts", ({ ({ 22202, "http", "ANY", "" }) }), "Configuration interface: Ports", TYPE_PORTS, "The ports that the configuration interface will be " "accessible via.<p>If you have none, you have a problem.\n"); globvar("ConfigurationURL", "", "Configuration interface: URL", TYPE_STRING, "The URL of the configuration interface. This is used to " "generate redirects now and then (when you press save, when " "a module is added, etc.)."); globvar("ConfigurationPassword", "", "Configuration interface: Password", TYPE_PASSWORD, "The password you will have to enter to use the configuration " "interface. Please note that changing this password in the " "configuration interface will _not_ require an additional entry " "of the password, so it is easy to make a typo. It is recommended " "that you use the <a href=/(changepass)/Globals/>form instead</a>."); globvar("ConfigurationUser", "", "Configuration interface: User", TYPE_STRING, "The username you will have to enter to use the configuration " "interface"); globvar("ConfigurationIPpattern", "*", "Configuration interface: IP-Pattern", TYPE_STRING, "The IP-pattern hosts trying to connect to the configuration " "interface will have to match."); globvar("User", "", "Change uid and gid to", TYPE_STRING, "When roxen is run as root, to be able to open port 80 " "for listening, change to this user-id:group-id when the port " " has been opened. <b>NOTE:</b> Since this is done before the " "modules have been loaded, you will have to use the numeric user and" " group id's, and not the symbolic ones.\n"); globvar("NumHostnameLookup", 2, "Number of hostname lookup processes", TYPE_INT, "The number of simultaneos host-name lookup processes roxen should " "run. Roxen must be restarted for a change of this variable to "+ "take effect. If you constantly see a large host name lookup " "queue size in the configuration interface 'Status' section, " "consider increasing this variable. A good guidline is: " "<ul>\n" "<li> 1 for normal operation\n" "<li> 1 extra for each 300 000 accesses/day\n" "<li> 1 for each proxy\n" "<li> 1 for each 100 proxy users\n" "</ul>\n"); globvar("ModuleDirs", ({ "modules/" }), "Module directories", TYPE_DIR_LIST, "Where to look for modules. Can be relative paths, from the "
01d0811996-11-12Mirar (Pontus Hagland)  "directory you started roxen, " + getcwd() + " this time."
b1fca01996-11-12Per Hedbor  " The directories are searched in order for modules."); globvar("Supports", "#include <etc/supports>\n", "Client supports regexps", TYPE_TEXT_FIELD, "What do the different clients support?\n<br>" "The default information is normally fetched from the file "+
01d0811996-11-12Mirar (Pontus Hagland)  getcwd()+"etc/supports, and the format is:<pre>"
b1fca01996-11-12Per Hedbor  "<a href=$docurl/configuration/regexp.html>regular-expression</a>" " feature, -feature, ...\n" "</pre>" "If '-' is prepended to the name of the feature, it will be removed" " from the list of features of that client. All patterns that match" " each given client-name are combined to form the final feature list" ". See the file etc/supports for examples."); globvar("IfModified", 1, "Honor If-Modified-Since headers", TYPE_FLAG, "If set, send a 'Not modified' response in reply to " "if-modified-since headers, as " "<a href=http://www.w3.org/pub/WWW/Protocols/HTTP/1.1/spec" "#If-Modified-Since>specified by the HTTP draft.</a>");
ba73a21996-12-10Per Hedbor  globvar("audit", 0, "Audit trail", TYPE_FLAG, "If set, log all changes of uid in the debug log.");
b1fca01996-11-12Per Hedbor #if efun(syslog) globvar("LogA", "file", "Logging method", TYPE_STRING_LIST, "What method to use for logging, default is file, but " "syslog is also available. When using file, the output is really" " sent to stdout and stderr, but this is handled by the " "start script", ({ "file", "syslog" })); globvar("LogSP", 1, "Syslog: Log PID", TYPE_FLAG, "If set, the PID will be included in the syslog", 0, syslog_disabled); globvar("LogCO", 0, "Syslog: Log to system console", TYPE_FLAG, "If set and syslog is used, the error/debug message will be printed" " to the system console as well as to the system log", 0, syslog_disabled); globvar("LogST", "Daemon", "Syslog: Log type", TYPE_STRING_LIST, "When using SYSLOG, which log type should be used", ({ "Daemon", "Local 0", "Local 1", "Local 2", "Local 3", "Local 4", "Local 5", "Local 6", "Local 7", "User" }), syslog_disabled); globvar("LogWH", "Errors", "Syslog: Log what", TYPE_STRING_LIST, "When syslog is used, how much should be sent to it?<br><hr>" "Fatal: Only messages about fatal errors<br>"+ "Errors: Only error or fatal messages<br>"+ "Warning: Warning messages as well<br>"+ "Debug: Debug messager as well<br>"+ "All: Everything<br>", ({ "Fatal", "Errors", "Warnings", "Debug", "All" }), syslog_disabled); globvar("LogNA", "Roxen", "Syslog: Log as", TYPE_STRING, "When syslog is used, use this as the id of the Roxen daemon" ". This will be appended to all logs.", 0, syslog_disabled); #endif globvar("copies", 1, "Number of copies to run", TYPE_INT, "The number of forked copies of roxen to run simultaneously.\n" "<i>This is quite useful if you have more than one CPU in " "your machine, or if you have a lot of slow NFS accesses.</i>"); globvar("AutoUpdate", 1, "Update the supports database automatically", TYPE_FLAG, "If set, the etc/supports file will be updated automatically " "from roxen.com now and then. This is recomended, since " "you will then automatically get supports info for new " "clients, and new versions of old ones."); globvar("next_supports_update", time()+3600, "", TYPE_INT,"",0,1); globvar("uselock", #if efun(uname) ((uname()->sysname=="SunOS")&&((int)uname()->release==5)) ||((uname()->sysname=="IRIX")&&((int)uname()->release==5)), #else 0, #endif "Use a mutex-lock or semaphore to serialize accept calls", TYPE_FLAG, "This is needed on SunOS 5.* (Solaris 2.*) and IRIX 5.*. " "It might be needed" " under other OS-es as well. It will slow down the accept call" " by a percent or two, but without it, the call might hang forever." "It is only used if the number of copies to run is set to more " "than one.", 0, copies_is_one); setvars(retrieve("Variables")); if(sizeof(retrieve("Variables")) && (!retrieve("Variables")->_v || (QUERY(_v) < CONFIGURATION_FILE_LEVEL))) { update_global_vars(retrieve("Variables")->_v?QUERY(_v):0); QUERY(_v) = CONFIGURATION_FILE_LEVEL; store("Variables", variables, 0); } set("_v", CONFIGURATION_FILE_LEVEL); for(p = 1; p < argc; p++) { string c, v; if(sscanf(argv[p],"%s=%s", c, v) == 2) if(variables[c]) variables[c][VAR_VALUE]=compat_decode_value(v); else perror("Unknown variable: "+c+"\n"); } docurl=QUERY(docurl); } // Somewhat misnamed, since there can be more then one // configuration-interface port nowdays. But, anyway, this function // opens and listens to all configuration interface ports. void initiate_configuration_port( int|void first ) { object o; array port; if(catch(map_array(configuration_ports, destruct))) catch(map_array(configuration_ports, do_dest)); catch(do_dest(main_configuration_port)); configuration_ports = ({ }); main_configuration_port=0; if(sizeof(QUERY(ConfigPorts))) { foreach(QUERY(ConfigPorts), port) { if(o=create_listen_socket(port[0],0,port[2], (program)("protocols/"+port[1]))) { perror("Configuration port: port number " +port[0]+" interface " +port[2]+"\n"); main_configuration_port = o; configuration_ports += ({ o }); } else { report_error("The configuration port "+port[0] +" on the interface " +port[2]+" " "could not be opened\n"); } } if(!main_configuration_port) { report_error("No configuration ports could be created.\n" "Is roxen already running?\n"); if(first) exit( 0 ); } } else { perror("No configuration port. I hope this is what you want.\n" "Unless the configuration interface as a location module\n" "is enabled, you will not be allowed access to the configuration\n" "interface. You can re-enable the configuration port like this:\n" "./configvar ConfigurationPort=22202\n"); } } #ifdef DUMPVARS // All code here is used to dump a list of all variables in all // modules, and the global and configuration global ones, to HTML // files. If the define DUMPVARS is present, this is the only thing // Roxen will do at all. private void dump_variables(string file, mapping variables, array info, string creator, string url) { object f; mkdir("vardump"); rm ("vardump/" + replace(file, "/", "\\")+".html"); f = open("vardump/" + replace(file, "/", "\\")+".html", "wc"); if(!f) return; f->write("<head>\n<title>Roxen: "+info[1]+"</title>\n" "</head>\n" "<body bgcolor=#c0c0c0 text=#000000 link=#005000 vlink=#500000>\n" "" "<hr noshade>\n"); f->write("<h1>"+info[1]+"</h1>\n\n"); f->write("<font size=+1>"+info[2]+"</font><p>"); f->write(describe_module_type(info[0])+"<p>"); f->write("<font color=black>File:</font> <i>"+file+"</i><br>\n"); if(creator) f->write("<font color=black>Creator:</font> <i>"+creator+"</i><br>\n"); if(url) f->write("<font color=black>Home URL:</font> <i><a href="+url+">"+url+"</a></i><br>\n"); f->write("<hr noshade>\n\n"); f->write("<h2>Variables</h2>"); f->write("<dl>\n"); array v; string n; foreach(sort_array(indices(variables)), n) { v = variables[n]; if(v[VAR_CONFIGURABLE]) { f->write("<dt><b>"+v[VAR_NAME]+"</b>\n" +(strlen(describe_variable_as_text(v,1))? "<i><br>Default value:</i>\n" "<font color=red>"+describe_variable_as_text(v,1) +"</font><br>" :"") +"<dd>" + v[VAR_DOC_STR] + "<br>" "<i><font color=black>"+describe_type(v[VAR_TYPE], v[VAR_MISC]) + "</font></i><p>\n\n\n"); } } f->write("</dl>\n"); destruct(f); } #endif // Find all modules, so a list of them can be presented to the // user. This is not needed when the server is started. void scan_module_dir(string d) {
01d0811996-11-12Mirar (Pontus Hagland)  string file,path=d; mixed err;
b1fca01996-11-12Per Hedbor  foreach( get_dir( d )||({}), file) {
fd0b6f1996-12-02Per Hedbor  if ( file[0]!='.' && !backup_extension(file) && (file[-1]!='z'))
b1fca01996-11-12Per Hedbor  { if(file_size(path+file) == -2)
5e4ede1996-11-12Per Hedbor  { if(file!="CVS") scan_module_dir(path+file+"/"); }
b1fca01996-11-12Per Hedbor  else { #ifdef MODULE_DEBUG
a52cc61996-11-20Per Hedbor  perror("Loading module: "+(file-("."+extension(file)))+" - ");
b1fca01996-11-12Per Hedbor #endif string *module_info; if (!(err=catch( module_info = lambda ( string file ) { array foo; object o;
fd0b6f1996-12-02Per Hedbor  o = (compile_file(file))();
b1fca01996-11-12Per Hedbor #ifdef MODULE_DEBUG perror(" load ok - "); #endif foo = o->register_module(); #ifdef DUMPVARS dump_variables(file, o->variables, foo, o->module_creator, o->module_url); #endif #ifdef MODULE_DEBUG perror("registered."); #endif
fd0b6f1996-12-02Per Hedbor  return ({ foo[1], foo[2]+"<p><i>"+replace(o->file_name_and_stuff(), "0<br>", file+"<br>") +"</i>", foo[0] });
b1fca01996-11-12Per Hedbor  }(path + file)))) { #ifdef MODULE_DEBUG // perror("MODULES: "+module_info[0]+ "\n"+module_info[1]+"\n"); #endif
a52cc61996-11-20Per Hedbor  allmodules[ file-("."+extension(file)) ] = module_info;
b1fca01996-11-12Per Hedbor  } else { #ifdef MODULE_DEBUG
5e4ede1996-11-12Per Hedbor  perror("\n"+err[0]+_master->set_inhibit_compile_errors( 1 ));
b1fca01996-11-12Per Hedbor #endif } #ifdef MODULE_DEBUG perror("\n"); #endif } } } } void rescan_modules() { string file, path; mixed err; allmodules=([]); foreach(QUERY(ModuleDirs), path) { _master->set_inhibit_compile_errors(1);
5e4ede1996-11-12Per Hedbor  catch(scan_module_dir( path ));
b1fca01996-11-12Per Hedbor  } if(strlen(_master->errors)) {
5e4ede1996-11-12Per Hedbor  nwrite("While rescanning module list:\n" + _master->errors, 1);
b1fca01996-11-12Per Hedbor  _master->set_inhibit_compile_errors(0); } _master->set_inhibit_compile_errors(0); } // ================================================= // Parse options to Roxen. This function is quite generic, see the // main() function for more info about how it is used. private string find_arg(array argv, array|string shortform, array|string|void longform, array|string|void envvars, string|void def) { string value; int i; for(i=1; i<sizeof(argv); i++) { if(argv[i] && strlen(argv[i]) > 1) { if(argv[i][0] == '-') { if(argv[i][1] == '-') { string tmp; int nf; if(!sscanf(argv[i], "%s=%s", tmp, value)) { if(i < sizeof(argv)-1) value = argv[i+1]; else value = argv[i]; tmp = argv[i]; nf=1; } if(arrayp(longform) && search(longform, tmp[2..1000]) != -1) { argv[i] = 0; if(i < sizeof(argv)-1) argv[i+nf] = 0; return value; } else if(longform && longform == tmp[2..10000]) { argv[i] = 0; if(i < sizeof(argv)-1) argv[i+nf] = 0; return value; } } else { if((arrayp(shortform) && search(shortform, argv[i][1..1]) != -1) || stringp(shortform) && shortform == argv[i][1..1]) { if(strlen(argv[i]) == 2) { if(i < sizeof(argv)-1) value =argv[i+1]; argv[i] = argv[i+1] = 0; return value; } else { value=argv[i][2..100000]; argv[i]=0; return value; } } } } } } if(arrayp(envvars)) foreach(envvars, value) if(getenv(value)) return getenv(value); if(stringp(envvars)) if(getenv(envvars)) return getenv(envvars); return def; } // do the chroot() call. This is not currently recommended, since // roxen dynamically loads modules, all module files must be // available at the new location. private void fix_root(string to) { if(getuid()) { perror("It is impossible to chroot() if the server is not run as root.\n"); return; } if(!chroot(to)) { perror("Roxen: Cannot chroot to "+to+": "); #if efun(real_perror) real_perror(); #endif return; } perror("Root is now "+to+".\n"); } void create_pid_file(string where) { if(!where) return; where = replace(where, ({ "$pid", "$uid" }), ({ (string)getpid(), (string)getuid() })); rm(where); if(catch(write_file(where, sprintf("%d\n%d", getpid(), startpid)))) perror("I cannot create the pid file ("+where+").\n"); } #if efun(send_fd) // External multi-threaded data shuffler. This leaves roxen free to // serve new requests. The file descriptors of the open files and the // clients are sent to the program, then the shuffler just shuffles // the data to the client. object shuffler; void init_shuffler() { object out; object out2; if(file_size("bin/shuffle") > 100) { if(shuffler) destruct(shuffler);
01d0811996-11-12Mirar (Pontus Hagland)  out=File();
b1fca01996-11-12Per Hedbor  out2=out->pipe(); mark_fd(out->query_fd(), "Data shuffler local end of pipe.\n"); spawne("bin/shuffle", ({}), ({}), out2, stderr, stderr, 0, 0); perror("Spawning data mover. (bin/shuffle)\n"); destruct(out2); shuffler = out; shuffle_fd = out->query_fd(); } } #endif // To avoid stack error :-)
d8aa651996-12-09David Hedbor // This is really a bug in Pike, that is probably fixed by now, but
b1fca01996-11-12Per Hedbor // since I needed a catch() as well, I never did come around to // removing the hack. The functions below this one are here for // process and signal magic, it is basically the support needed // to use multi-processing with a central process as master and // control of the other processes. void do_dest(object|void o) { if(objectp(o)) catch { destruct(o); }; } static private int _recurse; void exit_when_done() { object o; int i;
38dca81996-12-10Per Hedbor  perror("Interrupt request received. Exiting,\n");
b1fca01996-11-12Per Hedbor  if(++_recurse > 4)
38dca81996-12-10Per Hedbor  { werror("Exiting roxen (spurious signals received).\n"); stop_all_modules();
b1fca01996-11-12Per Hedbor  exit(0);
38dca81996-12-10Per Hedbor  }
b1fca01996-11-12Per Hedbor  if(main_configuration_port && objectp(main_configuration_port)) { int pid; if(search(subs, getpid()) == -1) { // perror("Exiting.\n"); foreach(subs, pid) { if(pid != getpid()) kill(pid, signum("SIGUSR1")); } } } // First kill off all listening sockets.. foreach(indices(portno)||({}), o) do_dest(o); // Then wait for all sockets, but maximum 10 minutes.. #if efun(_pipe_debug) call_out(lambda() { call_out(this_function(), 5);
38dca81996-12-10Per Hedbor  if(!_pipe_debug()[0]) { werror("Exiting roxen (all connections closed).\n"); stop_all_modules(); exit(0); } }, 0.1);
b1fca01996-11-12Per Hedbor #endif
38dca81996-12-10Per Hedbor  call_out(lambda(){ werror("Exiting roxen (timeout).\n"); stop_all_modules(); exit(0); }, 600, 0); // Slow buggers..
b1fca01996-11-12Per Hedbor } void exit_it() { perror("Recursive signals.\n"); exit(0); } array fork_it(); array do_fork_it() { catch(map_array(configuration_ports, destruct)); if(objectp(main_configuration_port)) destruct(main_configuration_port); main_configuration_port = 0; signal(signum("SIGUSR1"), exit_it); signal(signum("SIGUSR2"), exit_it); signal(signum("SIGHUP"), exit_it); signal(signum("SIGINT"), exit_it); return fork_it(); } array fork_it() { int howmany; howmany = QUERY(copies)-1; if(subs) { int pid; perror("Reaping old sub-processes.\n"); foreach(subs, pid) kill(pid, signum("SIGUSR1")); } subs = ({ }); if(howmany) perror("Forking new sub-processes ("+howmany+").\n"); while(howmany--) { int pid; if(pid = fork()) { subs += ({ pid }); } else { trace(0); // Debug.. signal(signum("SIGUSR1"), exit_when_done); signal(signum("SIGHUP"), exit_when_done); signal(signum("SIGINT"), exit_when_done); #if efun(send_fd) init_shuffler(); // No locking here. Each process need one on it's own. #endif create_host_name_lookup_processes(); main_configuration_port = 0; catch { if(root) root->dest(); // This saves quite a lot of memory.. }; subs = ({}); return 0; } } #if efun(send_fd) init_shuffler(); // No locking here.. Each process need one on it's own. #endif create_host_name_lookup_processes(); signal(signum("SIGUSR1"), do_fork_it); signal(signum("SIGUSR2"), exit_when_done); signal(signum("SIGHUP"), exit_when_done); signal(signum("SIGINT"), exit_when_done); return subs; } // And then we have the main function, this is the oldest function in // Roxen :) It has not changed all that much since Spider 2.0. varargs int main(int argc, array (string) argv) { mixed tmp; start_time=time(1); stdin->close(); stdout->close(); destruct(stdout); destruct(stdin); add_efun("write", perror); mark_fd(0, "Stdin"); mark_fd(1, "Stdout"); mark_fd(2, "Stderr"); #ifndef DUMPVARS configuration_dir = find_arg(argv, "d", ({ "config-dir", "configurations", "configuration-directory" }), ({ "ROXEN_CONFIGDIR", "CONFIGURATIONS" }), "../configurations"); if(configuration_dir[-1] != "/") configuration_dir += "/"; startpid = (int)find_arg(argv, "s", ({ "start-script-pid" }), ({ "ROXEN_START_SCRIPT_PID"})); create_pid_file(find_arg(argv, "p", "pid-file", "ROXEN_PID_FILE")); if(tmp = find_arg(argv, "r", "root")) fix_root(tmp); argv -= ({ 0 }); argc=sizeof(argv); perror("Restart initiated at "+ctime(time())); #endif define_global_variables(argc, argv); #ifdef DUMPVARS perror("Dumping module variables...\n"); dump_variables("Global", variables, ({ 0, "Global variables", "The variables below are all" " global, and affect all virtual" " servers.", 0, 0 }), 0, 0); configurations = ({ }); variables->ModuleDirs[VAR_VALUE] |= ({ "localmodules/" }); enable_configuration("&lt;servername&gt;"); dump_variables("Configuration", current_configuration->variables, ({ 0, "Configuration global variables", "The variables below are global to a specific " "configuration, and affect all modules in it.\n", 0, 0}), 0, 0); rescan_modules(); exit(0); #endif create_pid_file(QUERY(pidfile)); restore_current_user_id_number(); #if efun(syslog) init_logger(); #endif init_garber(); initiate_supports(); initiate_languages(); enable_configurations(); // Rebuild the configuration interface tree if the interface was // loaded before the configurations was enabled (a configuration is a // virtual server, perhaps the name should be changed internally as // well.. :-) if(root) configuration_interface()->build_root(root); call_out(update_supports_from_roxen_com, QUERY(next_supports_update)-time()); if(set_u_and_gid()) perror("Setting UID and GID ...\n"); if(fork_it()) { int pid; initiate_configuration_port( 1 ); perror("Time to boot: "+(time()-start_time)+" seconds.\n"); perror("-------------------------------------\n\n"); } // start_time=time(); // Used by the "uptime" info later on. return -1; } // Debug functions. List _all_ open filedescriptors inline static private string checkfd_fix_line(string l) { string *s; s=l/","; s[0]=decode_mode((int)("0"+s[0])); if((int)s[1]) s[1]=sizetostring((int)s[1]); else s[1]="-"; return s[0..1]*","; } string checkfd(object id) { // perror(sprintf("%O\n", get_all_active_fd())); return ("<h1>Active filedescriptors</h1>\n"+ "<br clear=left><hr>\n"+ "<table width=100% cellspacing=0 cellpadding=0>\n"+ "<tr align=right><td>fd</td><td>type</td><td>mode</td>"+ "<td>size</td></tr>\n"+ (map_array(get_all_active_fd(), lambda(int fd) { return ("<tr align=right><th>"+fd+"</th><td>"+ replace(checkfd_fix_line(fd_info(fd)),",", "</td><td>") +"</td><td align=left>" +(mark_fd(fd)||"")+"<br></td></tr>"); })*"\n")+ "</table>"); }