Roxen.git/server/base_server/roxen.pike:b941aa9e930760339364d58ab4945b35d4141903

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3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 /* * $Id: roxen.pike,v 1.299 1999/06/21 19:30:52 mast Exp $ * * The Roxen Challenger main program. * * Per Hedbor, Henrik Grubbström, Pontus Hagland, David Hedbor and others. */ // ABS and suicide systems contributed freely by Francesco Chemolli constant cvs_version="$Id: roxen.pike,v 1.299 1999/06/21 19:30:52 mast Exp $"; object backend_thread; object argcache; // Some headerfiles #define IN_ROXEN #include <roxen.h> #include <config.h> #include <module.h> #include <variables.h> // Inherits inherit "read_config"; inherit "hosts"; inherit "module_support"; inherit "socket"; inherit "disk_cache"; inherit "language"; /* * Version information */ constant __roxen_version__ = "1.4"; constant __roxen_build__ = "37"; #ifdef __NT__ constant real_version = "Roxen Challenger/"+__roxen_version__+"."+__roxen_build__+" NT"; #else constant real_version = "Roxen Challenger/"+__roxen_version__+"."+__roxen_build__; #endif // Prototypes for other parts of roxen. class RequestID { object conf; // Really Configuration, but that's sort of recursive. int time; string raw_url; int do_not_disconnect; mapping (string:string) variables; mapping (string:mixed) misc; mapping (string:string) cookies; mapping (string:string) request_headers; multiset(string) prestate; multiset(string) config; multiset(string) supports; multiset(string) pragma; array(string) client; array(string) referer; Stdio.File my_fd; string prot; string clientprot; string method; string realfile; string virtfile; string rest_query; string raw; string query; string not_query; string extra_extension; string data; string leftovers; array (int|string) auth; string rawauth; string realauth; string since; string remoteaddr; string host; void create(object|void master_request_id); void send(string|object what, int|void len); string scan_for_query( string in ); void end(string|void s, int|void keepit); void ready_to_receive(); void send_result(mapping|void result); RequestID clone_me(); }; constant pipe = (program)"smartpipe"; /* * The privilege changer. * * Based on privs.pike,v 1.36. */ // Some variables used by Privs #ifdef THREADS // This mutex is used by Privs object euid_egid_lock = Thread.Mutex(); #endif /* THREADS */ int privs_level; static class Privs { #if efun(seteuid) int saved_uid; int saved_gid; int new_uid; int new_gid; #define LOGP (variables && variables->audit && GLOBVAR(audit)) #if constant(geteuid) && constant(getegid) && constant(seteuid) && constant(setegid) #define HAVE_EFFECTIVE_USER #endif static private string _getcwd() { if (catch{return(getcwd());}) { return("Unknown directory (no x-bit on current directory?)"); } } static private string dbt(array t) { if(!arrayp(t) || (sizeof(t)<2)) return ""; return (((t[0]||"Unknown program")-(_getcwd()+"/"))-"base_server/")+":"+t[1]+"\n"; } #ifdef THREADS static mixed mutex_key; // Only one thread may modify the euid/egid at a time. static object threads_disabled; #endif /* THREADS */ int p_level; void create(string reason, int|string|void uid, int|string|void gid) { #ifdef PRIVS_DEBUG werror(sprintf("Privs(%O, %O, %O)\n" "privs_level: %O\n", reason, uid, gid, privs_level)); #endif /* PRIVS_DEBUG */ #ifdef HAVE_EFFECTIVE_USER array u; #ifdef THREADS if (euid_egid_lock) { catch { mutex_key = euid_egid_lock->lock(); }; } threads_disabled = _disable_threads(); #endif /* THREADS */ p_level = privs_level++; if(getuid()) return; /* Needs to be here since root-priviliges may be needed to * use getpw{uid,nam}. */ saved_uid = geteuid(); saved_gid = getegid(); seteuid(0); /* A string of digits? */ if (stringp(uid) && ((int)uid) && (replace(uid, ({ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }), ({ "", "", "", "", "", "", "", "", "", "" })) == "")) { uid = (int)uid; } if (stringp(gid) && ((int)gid) && (replace(gid, ({ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }), ({ "", "", "", "", "", "", "", "", "", "" })) == "")) { gid = (int)gid; } if(!stringp(uid)) { u = getpwuid(uid); } else { u = getpwnam(uid); if(u) uid = u[2]; } if(u && !gid) gid = u[3]; if(!u) { if (uid && (uid != "root")) { if (intp(uid) && (uid >= 60000)) { report_warning(sprintf("Privs: User %d is not in the password database.\n" "Assuming nobody.\n", uid)); // Nobody. gid = gid || uid; // Fake a gid also. u = ({ "fake-nobody", "x", uid, gid, "A real nobody", "/", "/sbin/sh" }); } else { error("Unknown user: "+uid+"\n"); } } else { u = ({ "root", "x", 0, gid, "The super-user", "/", "/sbin/sh" }); } } if(LOGP) report_notice(sprintf("Change to %s(%d):%d privs wanted (%s), from %s", (string)u[0], (int)uid, (int)gid, (string)reason, (string)dbt(backtrace()[-2]))); #if efun(cleargroups) catch { cleargroups(); }; #endif /* cleargroups */ #if efun(initgroups) catch { initgroups(u[0], u[3]); }; #endif gid = gid || getgid(); int err = (int)setegid(new_gid = gid); if (err < 0) { report_debug(sprintf("Privs: WARNING: Failed to set the effective group id to %d!\n" "Check that your password database is correct for user %s(%d),\n" "and that your group database is correct.\n", gid, (string)u[0], (int)uid)); int gid2 = gid; #ifdef HPUX_KLUDGE if (gid >= 60000) { /* HPUX has doesn't like groups higher than 60000, * but has assigned nobody to group 60001 (which isn't even * in /etc/group!). * * HPUX's libc also insists on filling numeric fields it doesn't like * with the value 60001! */ perror("Privs: WARNING: Assuming nobody-group.\n" "Trying some alternatives...\n"); // Assume we want the nobody group, and try a couple of alternatives foreach(({ 60001, 65534, -2 }), gid2) { perror("%d... ", gid2); if (initgroups(u[0], gid2) >= 0) { if ((err = setegid(new_gid = gid2)) >= 0) { perror("Success!\n"); break; } } } } #endif /* HPUX_KLUDGE */ if (err < 0) { perror("Privs: Failed\n"); throw(({ sprintf("Failed to set EGID to %d\n", gid), backtrace() })); } perror("Privs: WARNING: Set egid to %d instead of %d.\n", gid2, gid); gid = gid2; } if(getgid()!=gid) setgid(gid||getgid()); seteuid(new_uid = uid); #endif /* HAVE_EFFECTIVE_USER */ } void destroy() { #ifdef PRIVS_DEBUG werror(sprintf("Privs->destroy()\n" "privs_level: %O\n", privs_level)); #endif /* PRIVS_DEBUG */ #ifdef HAVE_EFFECTIVE_USER /* Check that we don't increase the privs level */ if (p_level >= privs_level) { report_error(sprintf("Change back to uid#%d gid#%d from uid#%d gid#%d\n" "in wrong order! Saved level:%d Current level:%d\n" "Occurs in:\n%s\n", saved_uid, saved_gid, new_uid, new_gid, p_level, privs_level, describe_backtrace(backtrace()))); return(0); } if (p_level != privs_level-1) { report_error(sprintf("Change back to uid#%d gid#%d from uid#%d gid#%d\n" "Skips privs level. Saved level:%d Current level:%d\n" "Occurs in:\n%s\n", saved_uid, saved_gid, new_uid, new_gid, p_level, privs_level, describe_backtrace(backtrace()))); } privs_level = p_level; if(LOGP) { catch { array bt = backtrace(); if (sizeof(bt) >= 2) { report_notice(sprintf("Change back to uid#%d gid#%d, from %s\n", saved_uid, saved_gid, dbt(bt[-2]))); } else { report_notice(sprintf("Change back to uid#%d gid#%d, from backend\n", saved_uid, saved_gid)); } }; } if(getuid()) return; #ifdef DEBUG int uid = geteuid(); if (uid != new_uid) { report_warning(sprintf("Privs: UID #%d differs from expected #%d\n" "%s\n", uid, new_uid, describe_backtrace(backtrace()))); } int gid = getegid(); if (gid != new_gid) { report_warning(sprintf("Privs: GID #%d differs from expected #%d\n" "%s\n", gid, new_gid, describe_backtrace(backtrace()))); } #endif /* DEBUG */ seteuid(0); array u = getpwuid(saved_uid); #if efun(cleargroups) catch { cleargroups(); }; #endif /* cleargroups */ if(u && (sizeof(u) > 3)) { catch { initgroups(u[0], u[3]); }; } setegid(saved_gid); seteuid(saved_uid); #endif /* HAVE_EFFECTIVE_USER */ } #endif /* efun(seteuid) */ }; /* Used by read_config.pike, since there seems to be problems with * overloading otherwise. */ static object PRIVS(string r, int|string|void u, int|string|void g) { return Privs(r, u, g); } #if _DEBUG_HTTP_OBJECTS mapping httpobjects = ([]); static int idcount; int new_id(){ return idcount++; } #endif #ifdef MODULE_DEBUG #define MD_PERROR(X) perror X; #else #define MD_PERROR(X) #endif /* MODULE_DEBUG */ // pids of the start-script and ourselves. int startpid, roxenpid; class container { mixed value; mixed set(mixed to) { return value=to; } mixed get() { return value; } } // Locale support object(Locale.Roxen.standard) default_locale=Locale.Roxen.standard /* nihongo */; object fonts; #ifdef THREADS object locale = thread_local(); #else object locale = container(); #endif /* THREADS */ #define LOCALE LOW_LOCALE->base_server program Configuration; /*set in create*/ array configurations = ({}); object main_configuration_port; mapping allmodules, somemodules=([]); // A mapping from ports (objects, that is) to an array of information // about that port. This will hopefully be moved to objects cloned // from the configuration object in the future. mapping portno=([]); // Function pointer and the root of the configuration interface // object. function build_root; object root; int die_die_die; void stop_all_modules() { foreach(configurations, object conf) conf->stop(); } // Function that actually shuts down Roxen. (see low_shutdown). private static void really_low_shutdown(int exit_code) { // Die nicely. #ifdef SOCKET_DEBUG roxen_perror("SOCKETS: really_low_shutdown\n" " Bye!\n"); #endif #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ // Don't use fork() with threaded servers. #if constant(fork) && !constant(create_thread) // 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 can finish all current connections. if(fork()) { // Kill the parent. add_constant("roxen", 0); // Remove some extra refs... exit(exit_code); // Die... } // Now we're running in the forked copy. // FIXME: This probably doesn't work correctly on threaded servers, // since only one thread is left running after the fork(). #if efun(_pipe_debug) call_out(lambda() { // Wait for all connections to finish call_out(Simulate.this_function(), 20); if(!_pipe_debug()[0]) exit(0); }, 1); #endif /* efun(_pipe_debug) */ call_out(lambda(){ exit(0); }, 600); // Slow buggers.. array f=indices(portno); for(int i=0; i<sizeof(f); i++) catch(destruct(f[i])); #else /* !constant(fork) || constant(create_thread) */ // FIXME: // Should probably attempt something similar to the above, // but this should be sufficient for the time being. add_constant("roxen", 0); // Paranoia... exit(exit_code); // Now we die... #endif /* constant(fork) && !constant(create_thread) */ } // Shutdown Roxen // exit_code = 0 True shutdown // exit_code = -1 Restart private static void low_shutdown(int exit_code) { // Change to root user if possible ( to kill the start script... ) #if efun(seteuid) seteuid(getuid()); setegid(getgid()); #endif #if efun(setuid) setuid(0); #endif stop_all_modules(); if(main_configuration_port && objectp(main_configuration_port)) { // Only _really_ do something in the main process. int pid; if (exit_code) { roxen_perror("Restarting Roxen.\n"); } else { roxen_perror("Shutting down Roxen.\n"); _exit(0); // 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. #ifndef __NT__ #ifdef USE_SHUTDOWN_FILE // 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) roxen_perror("cannot open shutdown file.\n"); else f->write(""+getpid()); #endif /* USE_SHUTDOWN_FILE */ // Try to kill the start-script. if(startpid != getpid()) { kill(startpid, signum("SIGINTR")); kill(startpid, signum("SIGHUP")); kill(getppid(), signum("SIGINTR")); kill(getppid(), signum("SIGHUP")); } #endif /* !__NT__ */ } } call_out(really_low_shutdown, 2, exit_code); } // 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() { low_shutdown(-1); return ([ "data": replace(Stdio.read_bytes("etc/restart.html"), ({"$docurl", "$PWD"}), ({docurl, getcwd()})), "type":"text/html" ]); } mapping shutdown() { low_shutdown(0); return ([ "data":replace(Stdio.read_bytes("etc/shutdown.html"), ({"$docurl", "$PWD"}), ({docurl, getcwd()})), "type":"text/html" ]); } // This is called for each incoming connection. private static void accept_callback( object port ) { object file; int q=QUERY(NumAccept); array pn=portno[port]; #ifdef DEBUG if(!pn) { destruct(port->accept()); perror("$&$$& Garbage Collector bug!!\n"); return; } #endif while(q--) { catch { file = port->accept(); }; #ifdef SOCKET_DEBUG if(!pn[-1]) { report_error("In accept: Illegal protocol handler for port.\n"); if(file) destruct(file); return; } perror(sprintf("SOCKETS: accept_callback(CONF(%s))\n", pn[1]&&pn[1]->name||"Configuration")); #endif if(!file) { switch(port->errno()) { case 0: #if constant(system.EAGAIN) case system.EAGAIN: #endif /* constant(system.EAGAIN) */ return; #if constant(system.EMFILE) case system.EMFILE: #endif /* constant(system.EMFILE) */ #if constant(system.EBADF) case system.EBADF: #endif /* constant(system.EBADF) */ report_fatal(LOCALE->out_of_sockets()); low_shutdown(-1); return; default: #ifdef DEBUG perror("Accept failed.\n"); #if constant(real_perror) real_perror(); #endif #endif /* DEBUG */ return; } } #ifdef FD_DEBUG mark_fd( file->query_fd(), LOCALE->out_of_sockets(file->query_address())); #endif pn[-1](file,pn[1],pn); #ifdef SOCKET_DEBUG perror(sprintf("SOCKETS: Ok. Connect on %O:%O from %O\n", pn[2], pn[0], file->query_address())); #endif } } // handle function used when THREADS is not enabled. void unthreaded_handle(function f, mixed ... args) { f(@args); } function handle = unthreaded_handle; /* * THREADS code starts here */ #ifdef THREADS // #define THREAD_DEBUG object do_thread_create(string id, function f, mixed ... args) { object t = thread_create(f, @args); catch(t->set_name( id )); roxen_perror(id+" started\n"); return t; } // Queue of things to handle. // An entry consists of an array(function fp, array args) static object (Thread.Queue) handle_queue = Thread.Queue(); // Number of handler threads that are alive. static int thread_reap_cnt; void handler_thread(int id) { array (mixed) h, q; while(!die_die_die) { if(q=catch { do { #ifdef THREAD_DEBUG werror("Handle thread ["+id+"] waiting for next event\n"); #endif /* THREAD_DEBUG */ if((h=handle_queue->read()) && h[0]) { #ifdef THREAD_DEBUG werror(sprintf("Handle thread [%O] calling %O(@%O)...\n", id, h[0], h[1..])); #endif /* THREAD_DEBUG */ SET_LOCALE(default_locale); h[0](@h[1]); h=0; } else if(!h) { // Roxen is shutting down. werror("Handle thread ["+id+"] stopped\n"); thread_reap_cnt--; return; } } while(1); }) { report_error(/* LOCALE->uncaught_error(*/describe_backtrace(q)/*)*/); if (q = catch {h = 0;}) { report_error(LOCALE-> uncaught_error(describe_backtrace(q))); } } } } void threaded_handle(function f, mixed ... args) { handle_queue->write(({f, args })); } int number_of_threads; void start_handler_threads() { if (QUERY(numthreads) <= 1) { QUERY(numthreads) = 1; perror("Starting 1 thread to handle requests.\n"); } else { perror("Starting "+QUERY(numthreads)+" threads to handle requests.\n"); } for(; number_of_threads < QUERY(numthreads); number_of_threads++) do_thread_create( "Handle thread ["+number_of_threads+"]", handler_thread, number_of_threads ); if(number_of_threads > 0) handle = threaded_handle; } void stop_handler_threads() { int timeout=30; perror("Stopping all request handler threads.\n"); while(number_of_threads>0) { number_of_threads--; handle_queue->write(0); thread_reap_cnt++; } while(thread_reap_cnt) { if(--timeout<=0) { perror("Giving up waiting on threads!\n"); return; } sleep(0.1); } } mapping accept_threads = ([]); void accept_thread(object port,array pn) { accept_threads[port] = this_thread(); program port_program = pn[-1]; mixed foo = pn[1]; array err; object o; while(!die_die_die) { o = port->accept(); err = catch { if(o) port_program(o,foo); }; if(err) perror("Error in accept_thread: %O\n",describe_backtrace(err)); } } #endif /* THREADS */ // 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.) object create_listen_socket(mixed port_no, object conf, string|void ether, program requestprogram, array prt) { 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) { port = Stdio.Port( "stdin", accept_callback ); port->set_id(port); if(port->errno()) { report_error(LOCALE->stdin_is_quiet(port->errno())); } } else { port = Stdio.Port(); port->set_id(port); if(!stringp(ether) || (lower_case(ether) == "any")) ether=0; if(ether) sscanf(ether, "addr:%s", ether); #if defined(THREADS) && 0 if(!port->bind(port_no, 0, ether)) #else if(!port->bind(port_no, accept_callback, ether)) #endif { #ifdef SOCKET_DEBUG perror("SOCKETS: -> Failed.\n"); #endif report_warning(LOCALE-> socket_already_bound_retry(ether, port_no, port->errno())); sleep(1); #if defined(THREADS) && 0 if(!port->bind(port_no, 0, ether)) #else if(!port->bind(port_no, accept_callback, ether)) #endif { report_warning(LOCALE-> socket_already_bound(ether, port_no, port->errno())); return 0; } } } portno[port]=({ port_no, conf, ether||"Any", 0, requestprogram }); #if defined(THREADS) && 0 call_out(do_thread_create,0,"Accept thread ["+port_no+":"+(ether||"ANY]"), accept_thread, port,portno[port]); #endif #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; array err = catch { configuration_interface_obj=((program)"mainconfig")(); root = configuration_interface_obj->root; build_root = configuration_interface_obj->build_root; }; loading_config_interface = 0; if(!configuration_interface_obj) { report_error(LOCALE-> configuration_interface_failed(describe_backtrace(err))); } } return configuration_interface_obj; } // Unload the configuration interface void unload_configuration_interface() { report_notice(LOCALE->unload_configuration_interface()); configuration_interface_obj = 0; loading_config_interface = 0; enabling_configurations = 0; build_root = 0; catch{root->dest();}; root = 0; } // 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 #ifdef THREADS object configuration_lock = Thread.Mutex(); #endif mixed configuration_parse(mixed ... args) { #ifdef THREADS object key; catch(key = configuration_lock->lock()); #endif if(args) return configuration_interface()->configuration_parse(@args); } mapping(string:array(int)) error_log=([]); string last_error=""; // Write a string to the configuration interface error log and to stderr. void nwrite(string s, int|void perr, int|void type) { last_error = s; if (!error_log[type+","+s]) { error_log[type+","+s] = ({ time() }); } else { error_log[type+","+s] += ({ time() }); } if(type>=1) roxen_perror(s); } // When was Roxen started? int boot_time; int start_time; string version() { return QUERY(default_ident)?real_version: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=Stdio.read_bytes(file)) parse_supports_string(foo); else report_error(LOCALE->supports_bad_include(file)); } 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") default_supports = aggregate_multiset(@bar[1..]); else { gazonk = bar[1..]; mixed err; if (err = catch { supports[current_section] += ({ ({ Regexp(bar[0])->match, aggregate_multiset(@positive_supports(gazonk)), aggregate_multiset(@negative_supports(gazonk)), })}); }) { report_error(LOCALE->supports_bad_regexp(describe_backtrace(err))); } } } } } 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 * ""; new = (new/"\r\n\r\n")[1..]*"\r\n\r\n"; old = Stdio.read_bytes( "etc/supports" ); if(strlen(new) < strlen(old)-200) // Error in transfer? return; if(old != new) { perror("Got new supports data from www.roxen.com\n"); perror("Replacing old file with new data.\n"); // #ifndef THREADS // object privs=Privs(LOCALE->replacing_supports()); // #endif mv("etc/supports", "etc/supports~"); Stdio.write_file("etc/supports", new, 0660); old = Stdio.read_bytes( "etc/supports" ); if(old != new) { perror("FAILED to update the supports file.\n"); mv("etc/supports~", "etc/supports"); // #ifndef THREADS // privs = 0; // #endif } else { // #ifndef THREADS // privs = 0; // #endif 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 www.roxen.com:80.\n"); #endif return 0; } #ifdef DEBUG perror("Connected to www.roxen.com.:80\n"); #endif _new_supports = ({}); port->set_id(port); string v = version(); if (v != real_version) { v = v + " (" + real_version + ")"; } port->write("GET /supports HTTP/1.0\r\n" "User-Agent: " + v + "\r\n" "Host: www.roxen.com:80\r\n" "Pragma: no-cache\r\n" "\r\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() { // FIXME: // This code has a race-condition, but it only occurs once a week... if(QUERY(next_supports_update) <= time()) { if(QUERY(AutoUpdate)) { async_connect("www.roxen.com.", 80, connected_to_roxen_com); #ifdef DEBUG perror("Connecting to www.roxen.com.:80\n"); #endif } remove_call_out( update_supports_from_roxen_com ); // Check again in one week. QUERY(next_supports_update)=3600*24*7 + time(); store("Variables", variables, 0, 0); } call_out(update_supports_from_roxen_com, QUERY(next_supports_update)-time()); } // Return a list of 'supports' values for the current connection. public multiset find_supports(string from, void|multiset existing_sup) { multiset (string) sup = existing_sup || (< >); multiset (string) nsup = (< >); array (function|multiset) s; string v; array f; if(!(< "unknown", "" >)[from]) { 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; } public void log(mapping file, object request_id) { if(!request_id->conf) return; request_id->conf->log(file, request_id); } // 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"); #ifdef FD_DEBUG mark_fd(current_user_id_file->query_fd(), LOCALE->unique_uid_logfile()); #endif } 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; } public string full_status() { int tmp; string res=""; array foo = ({0.0, 0.0, 0.0, 0.0, 0}); if(!sizeof(configurations)) return LOCALE->no_servers_enabled(); foreach(configurations, object conf) { if(!conf->sent ||!conf->received ||!conf->hsent) continue; foo[0] += conf->sent->mb()/(float)(time(1)-start_time+1); foo[1] += conf->sent->mb(); foo[2] += conf->hsent->mb(); foo[3] += conf->received->mb(); foo[4] += conf->requests; } for(tmp = 1; tmp < 4; tmp ++) { // FIXME: LOCALE? if(foo[tmp] < 1024.0) foo[tmp] = sprintf("%.2f MB", foo[tmp]); else foo[tmp] = sprintf("%.2f GB", foo[tmp]/1024.0); } int uptime = time()-start_time; int days = uptime/(24*60*60); int hrs = uptime/(60*60); int min = uptime/60 - hrs*60; hrs -= days*24; tmp=(int)((foo[4]*600.0)/(uptime+1)); return(LOCALE->full_status(real_version, boot_time, start_time-boot_time, days, hrs, min, uptime%60, foo[1], foo[0] * 8192.0, foo[2], foo[4], (float)tmp/(float)10, foo[3])); } int config_ports_changed = 0; static string MKPORTKEY(array(string) p) { if (sizeof(p[3])) { return(sprintf("%s://%s:%s/(%s)", p[1], p[2], (string)p[0], replace(p[3], ({"\n", "\r"}), ({ " ", " " })))); } else { return(sprintf("%s://%s:%s/", p[1], p[2], (string)p[0])); } } // Is this only used to hold the config-ports? // Seems like it. Changed to a mapping. private mapping(string:object) configuration_ports = ([]); // Used by config_actions/openports.pike array(object) get_configuration_ports() { return(values(configuration_ports)); } string docurl; // I will remove this in a future version of roxen. private program __p; mapping my_loaded = ([]); program last_loaded() { return __p; } string last_module_name; string filename(object|program o) { if(objectp(o)) o = object_program(o); return my_loaded[(program)o]||last_module_name; } program my_compile_file(string file) { return compile_file( file ); } array compile_module( string file ) { array foo; object o; program p; MD_PERROR(("Compiling " + file + "...\n")); if (catch(p = my_compile_file(file)) || (!p)) { MD_PERROR((" compilation failed")); throw("MODULE: Compilation failed.\n"); } // Set the module-filename, so that create in the // new object can get it. last_module_name = file; array err = catch(o = p()); last_module_name = 0; if (err) { MD_PERROR((" load failed\n")); throw(err); } else if (!o) { MD_PERROR((" load failed\n")); throw("Failed to initialize module.\n"); } else { MD_PERROR((" load ok - ")); if (!o->register_module) { MD_PERROR(("register_module missing")); throw("No registration function in module.\n"); } } foo = o->register_module(); if (!foo) { MD_PERROR(("registration failed.\n")); return 0; } else { MD_PERROR(("registered.")); } return({ foo[1], foo[2]+""+ replace(o->file_name_and_stuff(), "0 ", file+" ") +"", foo[0] }); } // ([ filename:stat_array ]) mapping(string:array) module_stat_cache = ([]); object load(string s, object conf) // Should perhaps be renamed to 'reload'. { string cvs; array st; sscanf(s, "/cvs:%s", cvs); // perror("Module is "+s+"?"); if(st=file_stat(s+".pike")) { // perror("Yes, compile "+s+"?"); if((cvs?(__p=master()->cvs_load_file( cvs+".pike" )) :(__p=my_compile_file(s+".pike")))) { // perror("Yes."); my_loaded[__p]=s+".pike"; module_stat_cache[s-dirname(s)]=st; return __p(conf); } else perror(s+".pike exists, but compilation failed.\n"); } #if 0 if(st=file_stat(s+".module")) if(__p=load_module(s+".so")) { my_loaded[__p]=s+".so"; module_stat_cache[s-dirname(s)]=st; return __p(conf); } else perror(s+".so exists, but compilation failed.\n"); #endif return 0; // FAILED.. } array(string) expand_dir(string d) { string nd; array(string) dirs=({d}); //perror("Expand dir "+d+"\n"); catch { foreach((get_dir(d) || ({})) - ({"CVS"}) , nd) if(file_stat(d+nd)[1]==-2) dirs+=expand_dir(d+nd+"/"); }; // This catch is needed.... return dirs; } array(string) last_dirs=0,last_dirs_expand; object load_from_dirs(array dirs, string f, object conf) { string dir; object o; 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, conf)) ) return o; return 0; } static int abs_started; void restart_if_stuck (int force) { remove_call_out(restart_if_stuck); if (!(QUERY(abs_engage) || force)) return; if(!abs_started) { abs_started = 1; roxen_perror("Anti-Block System Enabled.\n"); } call_out (restart_if_stuck,10); signal(signum("SIGALRM"), lambda( int n ) { roxen_perror(master()->describe_backtrace( ({ sprintf("**** %s: ABS engaged! Trying to dump backlog: \n", ctime(time()) - "\n"), backtrace() }) ) ); _exit(1); // It might now quit correctly otherwise, if it's // locked up }); alarm (60*QUERY(abs_timeout)+10); } void post_create () { if (QUERY(abs_engage)) call_out (restart_if_stuck,10); if (QUERY(suicide_engage)) call_out (restart,60*60*24*QUERY(suicide_timeout)); } void create() { // SET_LOCALE(default_locale); catch { module_stat_cache = decode_value(Stdio.read_bytes(".module_stat_cache")); allmodules = decode_value(Stdio.read_bytes(".allmodules")); }; #ifndef __NT__ if(!getuid()) { add_constant("Privs", Privs); } else #endif /* !__NT__ */ add_constant("Privs", class{}); add_constant("roxen", this_object()); add_constant("RequestID", RequestID); add_constant("load", load); // compatibility add_constant("hsv_to_rgb", Colors.hsv_to_rgb ); add_constant("rgb_to_hsv", Colors.rgb_to_hsv ); add_constant("parse_color", Colors.parse_color ); add_constant("color_name", Colors.color_name ); add_constant("colors", Colors ); fonts = (object)"fonts.pike"; Configuration = (program)"configuration"; add_constant("Configuration", Configuration); call_out(post_create,1); //we just want to delay some things a little } // Get the current domain. This is not as easy as one could think. 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))) { #if constant(gethostbyname) && constant(gethostname) f = gethostbyname(gethostname()); // First try.. if(f) foreach(f, f) if (arrayp(f)) { foreach(f, t) if(search(t, ".") != -1 && !(int)t) if(!s || strlen(s) < strlen(t)) s=t; } #endif if(!s) { t = Stdio.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; #if constant(gethostname) s = (gethostname()/".")[0] + "." + query("Domain"); #else s = "localhost"; #endif 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() { #ifndef __NT__ string u, g; int uid, gid; array pw; u=QUERY(User); sscanf(u, "%s:%s", u, g); if(strlen(u)) { if(getuid()) { report_error ("It is only possible to change uid and gid if the server " "is running as root.\n"); } else { if (g) { #if constant(getgrnam) pw = getgrnam (g); if (!pw) if (sscanf (g, "%d", gid)) pw = getgrgid (gid), g = (string) gid; else report_error ("Couldn't resolve group " + g + ".\n"), g = 0; if (pw) g = pw[0], gid = pw[2]; #else if (!sscanf (g, "%d", gid)) report_warning ("Can't resolve " + g + " to gid on this system; " "numeric gid required.\n"); #endif } pw = getpwnam (u); if (!pw) if (sscanf (u, "%d", uid)) pw = getpwuid (uid), u = (string) uid; else { report_error ("Couldn't resolve user " + u + ".\n"); return 0; } if (pw) { u = pw[0], uid = pw[2]; if (!g) gid = pw[3]; } #ifdef THREADS object mutex_key; catch { mutex_key = euid_egid_lock->lock(); }; object threads_disabled = _disable_threads(); #endif #if constant(seteuid) if (geteuid() != getuid()) seteuid (getuid()); #endif #if constant(initgroups) catch { initgroups(pw[0], gid); // Doesn't always work - David. }; #endif if (QUERY(permanent_uid)) { #if constant(setuid) if (g) { # if constant(setgid) setgid(gid); if (getgid() != gid) report_error ("Failed to set gid.\n"), g = 0; # else report_warning ("Setting gid not supported on this system.\n"); g = 0; # endif } setuid(uid); if (getuid() != uid) report_error ("Failed to set uid.\n"), u = 0; if (u) report_notice(LOCALE->setting_uid_gid_permanently (uid, gid, u, g)); #else report_warning ("Setting uid not supported on this system.\n"); u = g = 0; #endif } else { #if constant(seteuid) if (g) { # if constant(setegid) setegid(gid); if (getegid() != gid) report_error ("Failed to set effective gid.\n"), g = 0; # else report_warning ("Setting effective gid not supported on this system.\n"); g = 0; # endif } seteuid(uid); if (geteuid() != uid) report_error ("Failed to set effective uid.\n"), u = 0; if (u) report_notice(LOCALE->setting_uid_gid (uid, gid, u, g)); #else report_warning ("Setting effective uid not supported on this system.\n"); u = g = 0; #endif } return !!u; } } #endif return 0; } static mapping __vars = ([ ]); // 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) { return __vars[var] = to; } mixed query_var(string var) { return __vars[var]; } void reload_all_configurations() { object conf; array (object) new_confs = ({}); mapping config_cache = ([]); // werror(sprintf("%O\n", config_stat_cache)); int modified; report_notice(LOCALE->reloading_config_interface()); configs = ([]); setvars(retrieve("Variables", 0)); initiate_configuration_port( 0 ); foreach(list_all_configurations(), string config) { array err, st; foreach(configurations, conf) { if(lower_case(conf->name) == lower_case(config)) { break; } else conf = 0; } if(!(st = config_is_modified(config))) { if(conf) { config_cache[config] = config_stat_cache[config]; new_confs += ({ conf }); } continue; } modified = 1; config_cache[config] = st; if(conf) { // Closing ports... if (conf->server_ports) { // Roxen 1.2.26 or later Array.map(values(conf->server_ports), destruct); } else { Array.map(indices(conf->open_ports), destruct); } conf->stop(); conf->invalidate_cache(); conf->modules = ([]); conf->create(conf->name); } else { if(err = catch { conf = enable_configuration(config); }) { report_error(LOCALE-> error_enabling_configuration(config, describe_backtrace(err))); continue; } } if(err = catch { conf->start(); conf->enable_all_modules(); }) { report_error(LOCALE-> error_enabling_configuration(config, describe_backtrace(err))); continue; } new_confs += ({ conf }); } foreach(configurations - new_confs, conf) { modified = 1; report_notice(LOCALE->disabling_configuration(conf->name)); if (conf->server_ports) { // Roxen 1.2.26 or later Array.map(values(conf->server_ports), destruct); } else { Array.map(indices(conf->open_ports), destruct); } conf->stop(); destruct(conf); } if(modified) { configurations = new_confs; config_stat_cache = config_cache; unload_configuration_interface(); } } object enable_configuration(string name) { object cf = Configuration(name); configurations += ({ cf }); report_notice(LOCALE->enabled_server(name)); return cf; } // Enable all configurations void enable_configurations() { array err; enabling_configurations = 1; configurations = ({}); foreach(list_all_configurations(), string config) { if(err=catch { enable_configuration(config)->start(); }) perror("Error while loading configuration "+config+":\n"+ describe_backtrace(err)+"\n"); }; enabling_configurations = 0; } void enable_configurations_modules() { foreach(configurations, object config) { array err; if(err=catch { config->enable_all_modules(); }) perror("Error while loading modules in configuration "+config->name+":\n"+ describe_backtrace(err)+"\n"); }; } // 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][0..2]=="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 host = "127.0.0.1"; #endif } switch(port[1][..2]) { case "ssl": prot = "https"; break; case "ftp": prot = "ftp"; break; default: prot = port[1]; break; } 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"; } private int ident_disabled_p() { return QUERY(default_ident); } class ImageCache { string name; string dir; function draw_function; mapping data_cache = ([]); // not normally used. mapping meta_cache = ([]); static mapping meta_cache_insert( string i, mapping what ) { return meta_cache[i] = what; } static string data_cache_insert( string i, string what ) { return data_cache[i] = what; } static void draw( string name, RequestID id ) { mapping args = argcache->lookup( name ); mixed reply = draw_function( copy_value(args), id ); mapping meta; string data; if( objectp( reply ) || (mappingp(reply) && reply->img) ) { int quant = (int)args->quant; string format = lower_case(args->format || "gif"); string dither = args->dither; Image.Colortable ct; object alpha; if( args->fs || dither == "fs" ) dither = "floyd_steinberg"; if( dither == "random" ) dither = "random_dither"; if( format == "jpg" ) format = "jpeg"; if(mappingp(reply)) { alpha = reply->alpha; reply = reply->img; } if( args->gamma ) reply = reply->gamma( (float)args->gamma ); if( args["opaque-value"] ) { int ov = (int)(((float)args["opaque-value"])*2.55); if( ov < 0 ) ov = 0; else if( ov > 255 ) ov = 255; if( alpha ) { object i = Image.image( reply->xsize(), reply->ysize(), ov,ov,ov ); i->paste_alpha( alpha, ov ); alpha = i; } else { alpha = Image.image( reply->xsize(), reply->ysize(), ov,ov,ov ); } } if( args->scale ) { int x, y; if( sscanf( args->scale, "%d,%d", x, y ) == 2) { reply = reply->scale( x, y ); if( alpha ) alpha = alpha->scale( x, y ); } else if( (float)args->scale < 3.0) { reply = reply->scale( ((float)args->scale) ); if( alpha ) alpha = alpha->scale( ((float)args->scale) ); } } if( args->maxwidth || args->maxheight ) { int x = (int)args->maxwidth, y = (int)args->maxheight; if( x && reply->xsize() > x ) { reply = reply->scale( x, 0 ); if( alpha ) alpha = alpha->scale( x, 0 ); } if( y && reply->ysize() > y ) { reply = reply->scale( 0, y ); if( alpha ) alpha = alpha->scale( 0, y ); } } if( quant || (format=="gif") ) { int ncols = quant||id->misc->defquant||16; if( ncols > 250 ) ncols = 250; ct = Image.Colortable( reply, ncols ); if( dither ) if( ct[ dither ] ) ct[ dither ](); else ct->ordered(); } if( !Image[upper_case( format )] || !Image[upper_case( format )]->encode ) error("Image format "+format+" unknown\n"); mapping enc_args = ([]); if( ct ) enc_args->colortable = ct; if( alpha ) enc_args->alpha = alpha; foreach( glob( "*-*", indices(args)), string n ) if(sscanf(n, "%*[^-]-%s", string opt ) == 2) enc_args[opt] = (int)args[n]; switch(format) { case "gif": if( alpha ) { object ct = Image.Colortable( ({ ({ 0,0,0 }), ({ 255,255,255 }) }) ); ct->floyd_steinberg(); alpha = ct->map( alpha ); } if( catch { if( alpha ) data = Image.GIF.encode_trans( reply, ct, alpha ); else data = Image.GIF.encode( reply, ct ); }) data = Image.GIF.encode( reply ); break; case "png": if( ct ) enc_args->palette = ct; m_delete( enc_args, "colortable" ); default: data = Image[upper_case( format )]->encode( reply, enc_args ); } meta = ([ "xsize":reply->xsize(), "ysize":reply->ysize(), "type":"image/"+format, ]); } else if( mappingp(reply) ) { meta = reply->meta; data = reply->data; if( !meta || !data ) error("Invalid reply mapping.\n" "Should be ([ \"meta\": ([metadata]), \"data\":\"data\" ])\n"); } store_meta( name, meta ); store_data( name, data ); } static void store_meta( string id, mapping meta ) { meta_cache_insert( id, meta ); string data = encode_value( meta ); Stdio.File f = Stdio.File( dir+id+".i", "wct" ); if(!f) { report_error( "Failed to open image cache persistant cache file "+ dir+id+".i: "+strerror( errno() )+ "\n" ); return; } f->write( data ); } static void store_data( string id, string data ) { Stdio.File f = Stdio.File( dir+id, "wct" ); if(!f) { data_cache_insert( id, data ); report_error( "Failed to open image cache persistant cache file "+ dir+id+": "+strerror( errno() )+ "\n" ); return; } f->write( data ); } static mapping restore_meta( string id ) { Stdio.File f; if( meta_cache[ id ] ) return meta_cache[ id ]; f = Stdio.File( ); if( !f->open(dir+id+".i", "r" ) ) return 0; return meta_cache_insert( id, decode_value( f->read() ) ); } static mapping restore( string id ) { string|object(Stdio.File) f; mapping m; if( data_cache[ id ] ) f = data_cache[ id ]; else f = Stdio.File( ); if(!f->open(dir+id, "r" )) return 0; m = restore_meta( id ); if(!m) return 0; if( stringp( f ) ) return http_string_answer( f, m->type||("image/gif") ); return roxenp()->http_file_answer( f, m->type||("image/gif") ); } string data( string|mapping args, RequestID id, int|void nodraw ) { string na = store( args, id ); mixed res; if(!( res = restore( na )) ) { if(nodraw) return 0; draw( na, id ); res = restore( na ); } if( res->file ) return res->file->read(); return res->data; } mapping http_file_answer( string|mapping data, RequestID id, int|void nodraw ) { string na = store( data,id ); mixed res; if(!( res = restore( na )) ) { if(nodraw) return 0; draw( na, id ); res = restore( na ); } return res; } mapping metadata( string|mapping data, RequestID id, int|void nodraw ) { string na = store( data,id ); if(!restore_meta( na )) { if(nodraw) return 0; draw( na, id ); return restore_meta( na ); } return restore_meta( na ); } string store( string|mapping data, RequestID id ) { string ci; if( mappingp( data ) ) ci = argcache->store( data ); else ci = data; return ci; } void set_draw_function( function to ) { draw_function = to; } void create( string id, function draw_func, string|void d ) { if(!d) d = roxenp()->QUERY(argument_cache_dir); if( d[-1] != '/' ) d+="/"; d += id+"/"; mkdirhier( d+"foo"); dir = d; name = id; draw_function = draw_func; } } class ArgCache { static string name; static string path; static int is_db; static object db; #define CACHE_VALUE 0 #define CACHE_SKEY 1 #define CACHE_SIZE 600 #define CLEAN_SIZE 100 #ifdef THREADS static Thread.Mutex mutex = Thread.Mutex(); # define LOCK() object __key = mutex->lock() #else # define LOCK() #endif static mapping (string:mixed) cache = ([ ]); void setup_table() { if(catch(db->query("select id from "+name+" where id=-1"))) if(catch(db->query("create table "+name+" (" "id int auto_increment primary key, " "lkey varchar(80) not null default '', " "contents blob not null default '', " "atime bigint not null default 0)"))) throw("Failed to create table in database\n"); } void create( string _name, string _path, int _is_db ) { name = _name; path = _path; is_db = _is_db; if(is_db) { db = Sql.sql( path ); if(!db) error("Failed to connect to database for argument cache\n"); setup_table( ); } else { if(path[-1] != '/' && path[-1] != '\\') path += "/"; path += replace(name, "/", "_")+"/"; mkdirhier( path + "/tmp" ); object test = Stdio.File(); if (!test->open (path + "/.testfile", "wc")) error ("Can't create files in the argument cache directory " + path + "\n"); else { test->close(); rm (path + "/.testfile"); } } } static string read_args( string id ) { if( is_db ) { mapping res = db->query("select contents from "+name+" where id='"+id+"'"); if( sizeof(res) ) { db->query("update "+name+" set atime='"+ time()+"' where id='"+id+"'"); return res[0]->contents; } return 0; } else { if( file_stat( path+id ) ) return Stdio.read_bytes(path+"/"+id); } return 0; } static string create_key( string long_key ) { if( is_db ) { mapping data = db->query(sprintf("select id,contents from %s where lkey='%s'", name,long_key[..79])); foreach( data, mapping m ) if( m->contents == long_key ) return m->id; db->query( sprintf("insert into %s (contents,lkey,atime) values " "('%s','%s','%d')", name, long_key, long_key[..79], time() )); return create_key( long_key ); } else { string _key=MIME.encode_base64(Crypto.md5()->update(long_key)->digest(),1); _key = replace(_key-"=","/","="); string short_key = _key[0..1]; while( file_stat( path+short_key ) ) { if( Stdio.read_bytes( path+short_key ) == long_key ) return short_key; short_key = _key[..strlen(short_key)]; if( strlen(short_key) >= strlen(_key) ) short_key += "."; // Not very likely... } object f = Stdio.File( path + short_key, "wct" ); f->write( long_key ); return short_key; } } int key_exists( string key ) { LOCK(); if( !is_db ) return !!file_stat( path+key ); return !!read_args( key ); } string store( mapping args ) { LOCK(); array b = values(args), a = sort(indices(args),b); string data = MIME.encode_base64(encode_value(({a,b})),1); if( cache[ data ] ) return cache[ data ][ CACHE_SKEY ]; // werror(" store -> "); string id = create_key( data ); // werror(id+"\n"); cache[ data ] = ({ 0, 0 }); cache[ data ][ CACHE_VALUE ] = copy_value( args ); cache[ data ][ CACHE_SKEY ] = id; cache[ id ] = data; if( sizeof( cache ) > CACHE_SIZE ) { array i = indices(cache); while( sizeof(cache) > CACHE_SIZE-CLEAN_SIZE ) m_delete( cache, i[random(sizeof(i))] ); } return id; } mapping lookup( string id ) { LOCK(); // werror(" lookup -> "+id+"\n"); if(cache[id]) return cache[cache[id]][CACHE_VALUE]; string q = read_args( id ); if(!q) error("Key does not exist!\n"); mixed data = decode_value(MIME.decode_base64( q )); data = mkmapping( data[0],data[1] ); cache[ q ] = ({0,0}); cache[ q ][ CACHE_VALUE ] = data; cache[ q ][ CACHE_SKEY ] = id; cache[ id ] = q; return data; } void delete( string id ) { LOCK(); if(cache[id]) { m_delete( cache, cache[id] ); m_delete( cache, id ); } if( is_db ) db->query( "delete from "+name+" where id='"+id+"'" ); else rm( path+id ); } } array(int) invert_color(array color ) { return ({ 255-color[0], 255-color[1], 255-color[2] }); } mapping low_decode_image(string data, void|array tocolor) { Image.image i, a; string format; if(!data) return 0; #if constant(Image.GIF._decode) // Use the low-level decode function to get the alpha channel. catch { array chunks = Image.GIF._decode( data ); // If there is more than one render chunk, the image is probably // an animation. Handling animations is left as an exercise for // the reader. :-) foreach(chunks, mixed chunk) if(arrayp(chunk) && chunk[0] == Image.GIF.RENDER ) [i,a] = chunk[3..4]; format = "GIF"; }; if(!i) catch { i = Image.GIF.decode( data ); format = "GIF"; }; #endif #if constant(Image.JPEG) && constant(Image.JPEG.decode) if(!i) catch { i = Image.JPEG.decode( data ); format = "JPEG"; }; #endif #if constant(Image.XCF) && constant(Image.XCF._decode) if(!i) catch { mixed q = Image.XCF._decode( data, ([ "background":tocolor, ])); tocolor=0; format = "XCF Gimp file"; i = q->image; a = q->alpha; }; #endif #if constant(Image.PSD) && constant(Image.PSD._decode) if(!i) catch { mixed q = Image.PSD._decode( data, ([ "background":tocolor, ])); tocolor=0; format = "PSD Photoshop file"; i = q->image; a = q->alpha; }; #endif #if constant(Image.PNG) && constant(Image.PNG._decode) if(!i) catch { mixed q = Image.PNG._decode( data ); format = "PNG"; i = q->image; a = q->alpha; }; #endif #if constant(Image.BMP) && constant(Image.BMP._decode) if(!i) catch { mixed q = Image.BMP._decode( data ); format = "Windows bitmap file"; i = q->image; a = q->alpha; }; #endif #if constant(Image.TGA) && constant(Image.TGA._decode) if(!i) catch { mixed q = Image.TGA._decode( data ); format = "Targa"; i = q->image; a = q->alpha; }; #endif #if constant(Image.PCX) && constant(Image.PCX._decode) if(!i) catch { mixed q = Image.PCX._decode( data ); format = "PCX"; i = q->image; a = q->alpha; }; #endif #if constant(Image.XBM) && constant(Image.XBM._decode) if(!i) catch { mixed q = Image.XBM._decode( data, (["bg":tocolor||({255,255,255}), "fg":invert_color(tocolor||({255,255,255})) ])); format = "XBM"; i = q->image; a = q->alpha; }; #endif #if constant(Image.XPM) && constant(Image.XPM._decode) if(!i) catch { mixed q = Image.XPM._decode( data ); format = "XPM"; i = q->image; a = q->alpha; }; #endif #if constant(Image.TIFF) && constant(Image.TIFF._decode) if(!i) catch { mixed q = Image.TIFF._decode( data ); format = "TIFF"; i = q->image; a = q->alpha; }; #endif #if constant(Image.ILBM) && constant(Image.ILBM._decode) if(!i) catch { mixed q = Image.ILBM._decode( data ); format = "ILBM"; i = q->image; a = q->alpha; }; #endif #if constant(Image.PS) && constant(Image.PS._decode) if(!i) catch { mixed q = Image.PS._decode( data ); format = "Postscript"; i = q->image; a = q->alpha; }; #endif #if constant(Image.XWD) && constant(Image.XWD.decode) if(!i) catch { i = Image.XWD.decode( data ); format = "XWD"; }; #endif #if constant(Image.HRZ) && constant(Image.HRZ._decode) if(!i) catch { mixed q = Image.HRZ._decode( data ); format = "HRZ"; i = q->image; a = q->alpha; }; #endif #if constant(Image.AVS) && constant(Image.AVS._decode) if(!i) catch { mixed q = Image.AVS._decode( data ); format = "AVS X"; i = q->image; a = q->alpha; }; #endif if(!i) catch{ i = Image.PNM.decode( data ); format = "PNM"; }; if(!i) // No image could be decoded at all. return 0; if( tocolor && i && a ) { object o = Image.image( i->xsize(), i->ysize(), @tocolor ); o->paste_mask( i,a ); i = o; } return ([ "format":format, "alpha":a, "img":i, ]); } mapping low_load_image(string f,object id) { string data; object file, img; if(id->misc->_load_image_called < 5) { // We were recursing very badly with the demo module here... id->misc->_load_image_called++; if(!(data=id->conf->try_get_file(f, id))) { file=Stdio.File(); if(!file->open(f,"r") || !(data=file->read())) return 0; } } id->misc->_load_image_called = 0; if(!data) return 0; return low_decode_image( data ); } object load_image(string f,object id) { mapping q = low_load_image( f, id ); if( q ) return q->img; return 0; } private void define_global_variables( int argc, array (string) argv ) { int p; globvar("set_cookie", 0, "Set unique user id cookies", TYPE_FLAG, #"If set to Yes, all users of your server whose clients support cookies will get a unique 'user-id-cookie', this can then be used in the log and in scripts to track individual users."); deflocaledoc( "svenska", "set_cookie", "Sätt en unik cookie för alla användare", #"Om du sätter den här variabeln till 'ja', så kommer alla användare att få en unik kaka (cookie) med namnet 'RoxenUserID' satt. Den här kakan kan användas i skript för att spåra individuella användare. Det är inte rekommenderat att använda den här variabeln, många användare tycker illa om cookies"); globvar("set_cookie_only_once",1,"Set ID cookies only once",TYPE_FLAG, #"If set to Yes, Roxen will attempt to set unique user ID cookies only upon receiving the first request (and again after some minutes). Thus, if the user doesn't allow the cookie to be set, she won't be bothered with multiple requests.",0, lambda() {return !QUERY(set_cookie);}); deflocaledoc( "svenska", "set_cookie_only_once", "Sätt bara kakan en gång per användare", #"Om den här variablen är satt till 'ja' så kommer roxen bara försöka sätta den unika användarkakan en gång. Det gör att om användaren inte tillåter att kakan sätts, så slipper hon eller han iallafall nya frågor under några minuter"); 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 or writing Pike scripts."); deflocaledoc( "svenska", "show_internals", "Visa interna fel", #"Visa interna server fel för användaren av servern. Det är väldigt användbart när du utvecklar egna moduler eller pikeskript."); globvar("default_font_size", 32, 0, TYPE_INT, 0, 0, 1); globvar("default_font", "lucida", "Fonts: Default font", TYPE_FONT, "The default font to use when modules request a font."); deflocaledoc( "svenska", "default_font", "Typsnitt: Normaltypsnitt", #"När moduler ber om en typsnitt som inte finns, eller skriver grafisk text utan att ange ett typsnitt, så används det här typsnittet."); globvar("font_dirs", ({"../local/nfonts/", "nfonts/" }), "Fonts: Font directories", TYPE_DIR_LIST, "This is where the fonts are located."); deflocaledoc( "svenska", "font_dirs", "Typsnitt: Typsnittssökväg", "Sökväg för typsnitt."); globvar("logdirprefix", "../logs/", "Log directory prefix", TYPE_DIR|VAR_MORE, #"This is the default file path that will be prepended to the log file path in all the default modules and the virtual server."); deflocaledoc( "svenska", "logdirprefix", "Loggningsmappprefix", "Alla nya loggar som skapas får det här prefixet."); // Cache variables. The actual code recides in the file // 'disk_cache.pike' globvar("cache", 0, "Proxy disk cache: Enabled", TYPE_FLAG, "If set to Yes, caching will be enabled."); deflocaledoc( "svenska", "cache", "Proxydiskcache: På", "Om ja, använd cache i alla proxymoduler som hanterar det."); 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); deflocaledoc( "svenska", "garb_min_garb", "Proxydiskcache: Minimal rensningsmängd", "Det minsta antalet Mb som tas bort vid en cacherensning."); globvar("cache_minimum_left", 5, "Proxy disk cache: Minimum " "available free space and inodes (in %)", TYPE_INT, #"If less than this amount of disk space or inodes (in %) is left, the cache will remove a few files. This check may work half-hearted if the diskcache is spread over several filesystems.", 0, #if constant(filesystem_stat) cache_disabled_p #else 1 #endif /* filesystem_stat */ ); deflocaledoc( "svenska", "cache_minimum_free", "Proxydiskcache: Minimal fri disk", "Om det är mindre plats (i %) ledigt på disken än vad som " "anges i den här variabeln så kommer en cacherensning ske."); globvar("cache_size", 25, "Proxy disk cache: Size", TYPE_INT, "How many MB may the cache grow to before a garbage collect is done?", 0, cache_disabled_p); deflocaledoc( "svenska", "cache_size", "Proxydiskcache: Storlek", "Cachens maximala storlek, i Mb."); globvar("cache_max_num_files", 0, "Proxy disk cache: Maximum number " "of files", TYPE_INT, "How many cache files (inodes) may " "be on disk before a garbage collect is done ? May be left " "zero to disable this check.", 0, cache_disabled_p); deflocaledoc( "svenska", "cache_max_num_files", "Proxydiskcache: Maximalt antal filer", "Om det finns fler än så här många filer i cachen " "kommer en cacherensning ske. Sätt den här variabeln till " "noll för att hoppa över det här testet."); 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); deflocaledoc( "svenska", "bytes_per_second", "Proxydiskcache: Bytes per sekund", "Normalt sätt så tas de äldsta filerna bort, men filens " "storlek modifierar dess 'ålder' i cacherensarens ögon. " "Den här variabeln anger hur många bytes som ska motsvara " "en sekund."); globvar("cachedir", "/tmp/roxen_cache/", "Proxy disk cache: Base Cache Dir", 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); deflocaledoc("svenska", "cachedir", "Proxydiskcache: Cachedirectory", "Den här variabeln anger vad cachen ska sparas. " "För att undvika fatala misstag så adderas alltid " "'roxen_cache/' till den här variabeln när den sätts om."); 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, " " the cache will be recalculated when this value is changed.", 0, cache_disabled_p); deflocaledoc("svenska", "hash_num_dirs", "Proxydiskcache: Antalet cachesubdirectoryn", "Disk cachen lagrar datan i flera directoryn, den här " "variabeln anger i hur många olika directoryn som datan ska " "lagras. Om du ändrar på den här variabeln så blir hela den " "gamla cachen invaliderad."); globvar("cache_keep_without_content_length", 1, "Proxy disk cache: " "Keep without Content-Length", TYPE_FLAG, "Keep files " "without Content-Length header information in the cache?", 0, cache_disabled_p); deflocaledoc("svenska", "cache_keep_without_content_length", "Proxydiskcache: Behåll filer utan angiven fillängd", "Spara filer även om de inte har någon fillängd. " "Cachen kan innehålla trasiga filer om den här " "variabeln är satt, men fler filer kan sparas"); globvar("cache_check_last_modified", 0, "Proxy disk cache: " "Refresh on Last-Modified", TYPE_FLAG, "If set, refreshes files without Expire header information " "when they have reached double the age they had when they got " "cached. This may be useful for some regularly updated docs as " "online newspapers.", 0, cache_disabled_p); deflocaledoc("svenska", "cache_check_last_modified", "Proxydiskcache: Kontrollera värdet at Last-Modifed headern", #"Om den här variabeln är satt så kommer även filer utan Expire header att tas bort ur cachen när de blir dubbelt så gamla som de var när de hämtades från källservern om de har en last-modified header som anger när de senast ändrades"); globvar("cache_last_resort", 0, "Proxy disk cache: " "Last resort (in days)", TYPE_INT, "How many days shall files without Expires and without " "Last-Modified header information be kept?", 0, cache_disabled_p); deflocaledoc("svenska", "cache_last_resort", "Proxydiskcache: Spara filer utan datum", "Hur många dagar ska en fil utan både Expire och " "Last-Modified behållas i cachen? Om du sätter den " "här variabeln till noll kommer de inte att sparas alls."); globvar("cache_gc_logfile", "", "Proxy disk cache: " "Garbage collector logfile", TYPE_FILE, "Information about garbage collector runs, removed and refreshed " "files, cache and disk status goes here.", 0, cache_disabled_p); deflocaledoc("svenska", "cache_gc_logfile", "Proxydiskcache: Loggfil", "Information om cacherensningskörningar sparas i den här filen" "."); /// End of cache variables.. globvar("docurl2", "http://www.roxen.com/documentation/context.pike?page=", "Documentation URL", TYPE_STRING|VAR_MORE|VAR_EXPERT, "The URL to prepend to all documentation urls throughout the " "server. This URL should _not_ end with a '/'."); deflocaledoc("svenska", "docurl2", "DokumentationsURL", "DokumentationsURLen används för att få kontextkänslig hjälp"); globvar("pidfile", "/tmp/roxen_pid_$uid", "PID file", TYPE_FILE|VAR_MORE, "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."); deflocaledoc("svenska", "pidfile", "ProcessIDfil", "I den här filen sparas roxen processid och processidt " "for roxens start-skript. $uid byts ut mot användaridt hos " "den användare som kör roxen"); globvar("default_ident", 1, "Identify: Use default identification string", TYPE_FLAG|VAR_MORE, "Setting this variable to No will display the \"Identify as\" node " "where you can state what Roxen should call itself when talking " "to clients, otherwise it will present it self as \""+ real_version +"\". " "It is possible to disable this so that you can enter an " "identification-string that does not include the actual version of " "Roxen, as recommended by the HTTP/1.0 draft 03:<blockquote>" "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.</blockquote>"); deflocaledoc("svenska", "default_ident", "Identitet: Använd roxens normala" " identitetssträng", "Ska roxen använda sitt normala namn ("+real_version+")." "Om du sätter den här variabeln till 'nej' så kommer du att " "få välja vad roxen ska kalla sig."); globvar("ident", replace(real_version," ","·"), "Identify: Identify as", TYPE_STRING /* |VAR_MORE */, "Enter the name that Roxen should use when talking to clients. ", 0, ident_disabled_p); deflocaledoc("svenska", "ident", "Identitet: Roxens identitet", "Det här är det namn som roxen kommer att använda sig av."); globvar("DOC", 1, "Configuration interface: Help texts", TYPE_FLAG|VAR_MORE, "Do you want documentation? (this is an example of documentation)"); deflocaledoc("svenska", "DOC", "Konfigurationsinterfacet: Hjälptexter", "Vill du ha hjälptexter (den här texten är en typisk " " hjälptext)"); globvar("NumAccept", 1, "Number of accepts to attempt", TYPE_INT_LIST|VAR_MORE, "You can here state the maximum number of accepts to attempt for " "each read callback from the main socket. Increasing this value " "will make the server faster for users making many simultaneous " "connections to it, or if you have a very busy server. 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 })); deflocaledoc("svenska", "NumAccept", "Uppkopplingsmottagningsförsök per varv i huvudloopen", "Antalet uppkopplingsmottagningsförsök per varv i huvudlopen. " "Om du ökar det här värdet så kan server svara snabbare om " "väldigt många använder den, men lastbalanseringen mellan dina " "virtuella servrar kommer att bli mycket sämre (tänk dig att " "det ligger 255 uppkopplingar och väntar i kön för en server" ", och en uppkoppling i kön till din andra server, och du " " har satt den här variabeln till 256. Alla de 255 " "uppkopplingarna mot den första servern kan då komma " "att hanteras före den ensamma uppkopplingen till " "den andra server."); globvar("ConfigPorts", ({ ({ 22202, "http", "ANY", "" }) }), "Configuration interface: Ports", TYPE_PORTS, #"These are the ports through which you can configure the server. Note that you should at least have one open port, since otherwise you won't be able to configure your server."); deflocaledoc("svenska", "ConfigPorts", "Konfigurationsinterfacet: Portar", #"Det här är de portar som du kan använda för att konfigurera servern. Notera att du alltid bör ha minst en port öppen, så om du t.ex. ska flytta konfigurationsinterfacet från en http port till en ssl3 port, ta inte bort den gamla porten innan du har verifierat att den nya verkligen fungerar. Det är rätt svårt att konfigurera roxen utan dess konfigurationsinterface, även om det går."); globvar("ModuleListType", "Original", "Configuration interface: Add module page look ", TYPE_STRING_LIST, #"This variable defines how the add module page will look like. The original version has graphical headers and the description for each of the modules. If you know your way around Roxen, the compact mode might be better. Then You will get a select list which contains module names only.", ({ "Original", "Compact" })); deflocaledoc("svenska", "ModuleListType", "Konfigurationsinterfacet: Utseendet av addera-modulsidan", #"Här kan du ställa in utseendet av sidan där du adderar nya moduler. Standardversionen har en lång sida med alla moduler med modulbeskrivningar. Den kompakta versionen innehåller bara en select-lista med alla moduler, utan hjälptexterna och går därför mycket snabbare att ladda.", ([ "Original": "Standard", "Compact" : "Kompakt" ])); 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.)."); deflocaledoc("svenska", "ConfigurationURL", "Konfigurationsinterfacet: URL", #"Konfigurationsinterfacets URL. Normalt sätt så behöver du inte ställa in den här variabeln, eftersom den automatiskt genereras från portvariablen, men ibland kan det vara bra att kunna ställa in den."); globvar("ConfigurationPassword", "", "Configuration interface: Password", TYPE_PASSWORD|VAR_EXPERT, "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>."); deflocaledoc("svenska", "ConfigurationPassword", "Konfigurationsinterface: Lösenord", #"Den här variablen bör du inte pilla på. Men det är lösenordet för användaren som ska få konfigurera roxen, krypterat med crypt(3)"); globvar("ConfigurationUser", "", "Configuration interface: User", TYPE_STRING|VAR_EXPERT, "The username you will have to enter to use the configuration " "interface"); deflocaledoc("svenska", "ConfigurationUser", "Konfigurationsinterface: Användare", #"Den här variablen bör du inte pilla på. Men det är användaren som ska få konfigurera roxen"); globvar("ConfigurationIPpattern","*", "Configuration interface: IP-Pattern", TYPE_STRING|VAR_MORE, "Only clients running on computers with IP numbers matching " "this pattern will be able to use the configuration " "interface."); deflocaledoc("svenska", "ConfigurationIPpattern", "Konfigurationsinterfacet: IPnummermönster", #"Bara klienters vars datorers IP-nummer matchar det här mönstret kan ansluta till konfigurationsinterfacet. Ett normalt mönster är ditt lokala C-nät, t.ex. 194.52.182.*."); 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 and group-id when the port " " has been opened. If you specify a symbolic username, the " "default group of that user will be used. " "The syntax is user[:group]."); deflocaledoc("svenska", "User", "Byt UID till", #"När roxen startas som root, för att kunna öppna port 80 och köra CGI skript samt pike skript som den användare som äger dem, så kan du om du vill specifiera ett användarnamn här. Roxen kommer om du gör det att byta till den användaren när så fort den har öppnat sina portar. Roxen kan dock fortfarande byta tillbaka till root för att köra skript som rätt användare om du inte sätter variabeln 'Byt UID och GID permanent' till ja. Användaren kan specifieras antingen som ett symbolisk användarnamn (t.ex. 'www') eller som ett numeriskt användarID. Om du vill kan du specifera vilken grupp som ska användas genom att skriva användare:grupp. Normalt sätt så används användarens normal grupper."); globvar("permanent_uid", 0, "Change uid and gid permanently", TYPE_FLAG, "If this variable is set, roxen will set it's uid and gid " "permanently. This disables the 'exec script as user' fetures " "for CGI, and also access files as user in the filesystems, but " "it gives better security."); deflocaledoc("svenska", "permanent_uid", "Byt UID och GID permanent", #"Om roxen byter UID och GID permament kommer det inte gå att konfigurera nya portar under 1024, det kommer inte heller gå att köra CGI och pike skript som den användare som äger skriptet. Däremot så kommer säkerheten att vara högre, eftersom ingen kan få roxen att göra något som administratöranvändaren root"); globvar("ModuleDirs", ({ "../local/modules/", "modules/" }), "Module directories", TYPE_DIR_LIST, "This is a list of directories where Roxen should look for " "modules. Can be relative paths, from the " "directory you started roxen, " + getcwd() + " this time." " The directories are searched in order for modules."); deflocaledoc("svenska", "ModuleDirs", "Modulsökväg", #"En lista av directoryn som kommer att sökas igenom när en modul ska laddas. Directorynamnen kan vara relativa från "+getcwd()+ ", och de kommer att sökas igenom i den ordning som de står i listan."); globvar("Supports", "#include <etc/supports>\n", "Client supports regexps", TYPE_TEXT_FIELD|VAR_MORE, "What do the different clients support?\n " "The default information is normally fetched from the file "+ getcwd()+"etc/supports, and the format is:<pre>" //"<a href=$docurl/configuration/regexp.html>regular-expression</a>" "regular-expression" " 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."); deflocaledoc("svenska", "Supports", "Bläddrarfunktionalitetsdatabas", #"En databas över vilka funktioner de olika bläddrarna som används klarar av. Normalt sätt så hämtas den här databasen från filen server/etc/supports, men du kan om du vill specifiera fler mönster i den här variabeln. Formatet ser ur så här:<pre> reguljärt uttryck som matchar bäddrarens namn funktion, funktion, ... </pre>Se filen server/etc/supports för en mer utförlig dokumentation"); globvar("audit", 0, "Audit trail", TYPE_FLAG, "If Audit trail is set to Yes, all changes of uid will be " "logged in the Event log."); deflocaledoc("svenska", "audit", "Logga alla användaridväxlingar", #"Om du slår på den är funktionen så kommer roxen logga i debugloggen (eller systemloggen om den funktionen används) så fort användaridt byts av någon anlending."); #if efun(syslog) globvar("LogA", "file", "Logging method", TYPE_STRING_LIST|VAR_MORE, "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" })); deflocaledoc("svenska", "LogA", "Loggningsmetod", #"Hur ska roxens debug, fel, informations och varningsmeddelanden loggas? Normalt sätt så loggas de tilldebugloggen (logs/debug/defaul.1 etc), men de kan även skickas till systemloggen kan om du vill.", ([ "file":"loggfil", "syslog":"systemloggen"])); globvar("LogSP", 1, "Syslog: Log PID", TYPE_FLAG, "If set, the PID will be included in the syslog.", 0, syslog_disabled); deflocaledoc("svenska", "LogSP", "Systemlogg: Logga roxens processid", "Ska roxens processid loggas i systemloggen?"); 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); deflocaledoc("svenska", "LogCO", "Systemlogg: Logga till konsolen", "Ska roxen logga till konsolen? Om den här variabeln är satt " "kommer alla meddelanden som går till systemloggen att även " "skickas till datorns konsol."); 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); deflocaledoc( "svenska", "LogST", "Systemlogg: Loggningstyp", "När systemloggen används, vilken loggningstyp ska " "roxen använda?"); globvar("LogWH", "Errors", "Syslog: Log what", TYPE_STRING_LIST, "When syslog is used, how much should be sent to it? <hr>" "Fatal: Only messages about fatal errors "+ "Errors: Only error or fatal messages "+ "Warning: Warning messages as well "+ "Debug: Debug messager as well "+ "All: Everything ", ({ "Fatal", "Errors", "Warnings", "Debug", "All" }), syslog_disabled); deflocaledoc("svenska", "LogWH", "Systemlogg: Logga vad", "När systemlogen används, vad ska skickas till den? <hr>" "Fatala: Bara felmeddelenaden som är uppmärkta som fatala "+ "Fel: Bara felmeddelanden och fatala fel "+ "Varningar: Samma som ovan, men även alla varningsmeddelanden "+ "Debug: Samma som ovan, men även alla felmeddelanden "+ "Allt: Allt ", ([ "Fatal":"Fatala", "Errors":"Fel", "Warnings":"Varningar", "Debug":"Debug", "All":"Allt" ])); globvar("LogNA", "Roxen", "Syslog: Log as", TYPE_STRING, "When syslog is used, this will be the identification of the " "Roxen daemon. The entered value will be appended to all logs.", 0, syslog_disabled); deflocaledoc("svenska", "LogNA", "Systemlogg: Logga som", #"När systemloggen används så kommer värdet av den här variabeln användas för att identifiera den här roxenservern i loggarna."); #endif #ifdef THREADS globvar("numthreads", 5, "Number of threads to run", TYPE_INT, "The number of simultaneous threads roxen will use.\n" "Please note that even if this is one, Roxen will still " "be able to serve multiple requests, using a select loop based " "system.\n" "This is quite useful if you have more than one CPU in " "your machine, or if you have a lot of slow NFS accesses."); deflocaledoc("svenska", "numthreads", "Antal trådar", #"Roxen har en så kallad trådpool. Varje förfrågan som kommer in till roxen hanteras av en tråd, om alla trådar är upptagna så ställs frågan i en kö. Det är bara själva hittandet av rätt fil att skicka som använder de här trådarna, skickandet av svaret till klienten sker i bakgrunden, så du behöver bara ta hänsyn till evenetuella processorintensiva saker (som <gtext>) när då ställer in den här variabeln. Skönskvärdet 5 räcker för de allra flesta servrar"); #endif globvar("AutoUpdate", 1, "Update the supports database automatically", TYPE_FLAG, "If set to Yes, the etc/supports file will be updated automatically " "from www.roxen.com now and then. This is recomended, since " "you will then automatically get supports information for new " "clients, and new versions of old ones."); deflocaledoc("svenska", "AutoUpdate", "Uppdatera 'supports' databasen automatiskt", #"Ska supportsdatabasen uppdateras automatiskt från www.roxen.com en gång per vecka? Om den här optionen är påslagen så kommer roxen att försöka ladda ner en ny version av filen etc/supports från http://www.roxen.com/supports en gång per vecka. Det är rekommenderat att du låter den vara på, eftersom det kommer nya versioner av bläddrare hela tiden, som kan hantera nya saker."); globvar("next_supports_update", time()+3600, "", TYPE_INT,"",0,1); globvar("abs_engage", 0, "Anti-Block-System: Enable", TYPE_FLAG|VAR_MORE, #"If set, the anti-block-system will be enabled. This will restart the server after a configurable number of minutes if it locks up. If you are running in a single threaded environment heavy calculations will also halt the server. In multi-threaded mode bugs such as eternal loops will not cause the server to reboot, since only one thread is blocked. In general there is no harm in having this option enabled. "); deflocaledoc("svenska", "abs_engage", "AntiBlockSystem: Slå på AntiBlockSystemet", #"Ska antilåssystemet vara igång? Om det är det så kommer roxen automatiskt att starta om om den har hängt sig mer än några minuter. Oftast så beror hängningar på buggar i antingen operativsystemet eller i en modul. Den senare typen av hängningar påverkar inte en trådad roxen, medans den första typen gör det."); globvar("abs_timeout", 5, "Anti-Block-System: Timeout", TYPE_INT_LIST|VAR_MORE, #"If the server is unable to accept connection for this many minutes, it will be restarted. You need to find a balance: if set too low, the server will be restarted even if it's doing legal things (like generating many images), if set too high you might get a long downtime if the server for some reason locks up.", ({1,2,3,4,5,10,15}), lambda() {return !QUERY(abs_engage);}); deflocaledoc("svenska", "abs_timeout", "AntiBlockSystem: Tidsbegränsning", #"Om servern inte svarar på några frågor under så här många minuter så kommer roxen startas om automatiskt. Om du har en väldigt långsam dator kan en minut vara för kort tid för en del saker, t.ex. diagramritning kan ta ett bra tag."); globvar("locale", "standard", "Language", TYPE_STRING_LIST, "Locale, used to localise all messages in roxen.\n" #"Standard means using the default locale, which varies according to the value of the 'LANG' environment variable.", sort(indices(Locale.Roxen) - ({ "Modules" }))); deflocaledoc("svenska", "locale", "Språk", "Den här variablen anger vilket språk roxen ska använda. " "'standard' betyder att språket sätts automatiskt från " "värdet av omgivningsvariabeln LANG."); globvar("suicide_engage", 0, "Automatic Restart: Enable", TYPE_FLAG|VAR_MORE, #"If set, Roxen will automatically restart after a configurable number of days. Since Roxen uses a monolith, non-forking server model the process tends to grow in size over time. This is mainly due to heap fragmentation but also because of memory leaks." ); deflocaledoc("svenska", "suicide_engage", "Automatisk omstart: Starta om automatiskt", #"Roxen har stöd för att starta automatiskt då ock då. Eftersom roxen är en monolitisk icke-forkande server (en enda långlivad process) så tenderar processen att växa med tiden. Det beror mest på minnesfragmentation, men även på att en del minnesläckor fortfarande finns kvar. Ett sätt att återvinna minne är att starta om servern lite då och då, vilket roxen kommer att göra om du slår på den här funktionen. Notera att det tar ett litet tag att starta om servern."); globvar("suicide_timeout", 7, "Automatic Restart: Timeout", TYPE_INT_LIST|VAR_MORE, "Automatically restart the server after this many days.", ({1,2,3,4,5,6,7,14,30}), lambda(){return !QUERY(suicide_engage);}); deflocaledoc("svenska", "suicide_timeout", "Automatisk omstart: Tidsbegränsning (i dagar)", #"Om roxen är inställd till att starta om automatiskt, starta om så här ofta. Tiden är angiven i dagar"); globvar("argument_cache_in_db", 0, "Argument Cache: Store the argument cache in a mysql database", TYPE_FLAG|VAR_MORE, "If set, store the argument cache in a mysql " "database. This is very useful for load balancing using multiple " "roxen servers, since the mysql database will handle " " synchronization"); globvar( "argument_cache_db_path", "mysql://localhost/roxen", "Argument Cache: Database URL to use", TYPE_STRING|VAR_MORE, "The database to use to store the argument cache", 0, lambda(){ return !QUERY(argument_cache_in_db); }); globvar( "argument_cache_dir", "../argument_cache/", "Argument Cache: Cache directory", TYPE_DIR|VAR_MORE, "The cache directory to use to store the argument cache." " Please note that load balancing is not available for most modules " " (such as gtext, diagram etc) unless you use a mysql database to " "store the argument caches", 0, lambda(){ return QUERY(argument_cache_in_db); }); setvars(retrieve("Variables", 0)); for(p = 1; p < argc; p++) { string c, v; if(sscanf(argv[p],"%s=%s", c, v) == 2) { sscanf(c, "%*[-]%s", c); if(variables[c]) { if(catch{ mixed res = compile_string( "mixed f(){ return "+v+";}")()->f(); if(sprintf("%t", res) != sprintf("%t", variables[c][VAR_VALUE]) && res != 0 && variables[c][VAR_VALUE] != 0) werror("Warning: Setting variable "+c+"\n" "to a value of a different type than the default value.\n" "Default was "+sprintf("%t", variables[c][VAR_VALUE])+ " new is "+sprintf("%t", res)+"\n"); variables[c][VAR_VALUE]=res; }) { werror("Warning: Asuming '"+v+"' should be taken " "as a string value.\n"); if(!stringp(variables[c][VAR_VALUE])) werror("Warning: Old value was not a string.\n"); variables[c][VAR_VALUE]=v; } } else perror("Unknown variable: "+c+"\n"); } } docurl=QUERY(docurl2); } // 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; // Hm. if(!first && !config_ports_changed ) return 0; config_ports_changed = 0; // First find out if we have any new ports. mapping(string:array(string)) new_ports = ([]); foreach(QUERY(ConfigPorts), port) { if ((< "ssl", "ssleay", "ssl3" >)[port[1]]) { // Obsolete versions of the SSL protocol. report_warning(LOCALE->obsolete_ssl(port[1])); port[1] = "https"; } else if ((< "ftp2" >)[port[1]]) { // ftp2.pike has replaced ftp.pike entirely. report_warning(LOCALE->obsolete_ftp(port[1])); port[1] = "ftp"; } string key = MKPORTKEY(port); if (!configuration_ports[key]) { report_notice(LOCALE->new_config_port(key)); new_ports[key] = port; } else { // This is needed not to delete old unchanged ports. new_ports[key] = 0; } } // Then disable the old ones that are no more. foreach(indices(configuration_ports), string key) { if (zero_type(new_ports[key])) { report_notice(LOCALE->disable_config_port(key)); object o = configuration_ports[key]; if (main_configuration_port == o) { main_configuration_port = 0; } m_delete(configuration_ports, key); mixed err; if (err = catch{ destruct(o); }) { report_warning(LOCALE-> error_disabling_config_port(key, describe_backtrace(err))); } o = 0; // Be sure that there are no references left... } } // Now we can create the new ports. foreach(indices(new_ports), string key) { port = new_ports[key]; if (port) { array old = port; mixed erro; erro = catch { program requestprogram = (program)(getcwd()+"/protocols/"+port[1]); function rp; array tmp; if(!requestprogram) { report_error(LOCALE->no_request_program(port[1])); continue; } if(rp = requestprogram()->real_port) if(tmp = rp(port, 0)) port = tmp; // FIXME: For SSL3 we might need to be root to read our // secret files. object privs; if(port[0] < 1024) privs = Privs(LOCALE->opening_low_port()); if(o=create_listen_socket(port[0],0,port[2],requestprogram,port)) { report_notice(LOCALE->opening_config_port(key)); if (!main_configuration_port) { main_configuration_port = o; } configuration_ports[key] = o; } else { report_error(LOCALE->could_not_open_config_port(key)); } }; if (erro) { report_error(LOCALE->open_config_port_failed(key, (stringp(erro)?erro:describe_backtrace(erro)))); } } } if(!main_configuration_port) { if (sizeof(configuration_ports)) { // This case happens when you delete the main config port, // but still have others left. main_configuration_port = values(configuration_ports)[0]; } else { report_error(LOCALE->no_config_port()); if(first) exit( -1 ); // Restart. } } } #include <stat.h> // 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) { if(sscanf(d, "%*s.pmod")!=0) return; MD_PERROR(("\n\nLooking for modules in "+d+" ")); string file,path=d; mixed err; array q = (get_dir( d )||({})) - ({".","..","CVS","RCS" }); if(!sizeof(q)) { MD_PERROR(("No modules in here. Continuing elsewhere\n")); return; } if(search(q, ".no_modules")!=-1) { MD_PERROR(("No modules in here. Continuing elsewhere\n")); return; } MD_PERROR(("There are "+language("en","number")(sizeof(q))+" files.\n")); foreach( q, file ) { object e = ErrorContainer(); master()->set_inhibit_compile_errors(e->got_error); if ( file[0]!='.' && !backup_extension(file) && (file[-1]!='z')) { array stat = file_stat(path+file); if(!stat || (stat[ST_SIZE] < 0)) { if(err = catch ( scan_module_dir(path+file+"/") )) MD_PERROR((sprintf("Error in module rescanning directory code:" " %s\n",describe_backtrace(err)))); } else { MD_PERROR(("Considering "+file+" - ")); if((module_stat_cache[path+file] && module_stat_cache[path+file][ST_MTIME])==stat[ST_MTIME]) { MD_PERROR(("Already tried this one.\n")); continue; } module_stat_cache[path+file]=stat; switch(extension(file)) { case "pike": case "lpc": if(catch{ if((open(path+file,"r")->read(4))=="#!NO") { MD_PERROR(("Not a module\n")); file=0; } }) { MD_PERROR(("Couldn't open file\n")); file=0; } if(!file) break; case "mod": case "so": string *module_info; if (!(err = catch( module_info = compile_module(path + file)))) { // Load OK if (module_info) { // Module load OK. allmodules[ file-("."+extension(file)) ] = module_info; } else { // Disabled module. report_notice(LOCALE->disabled_module(path+file)); } } else { // Load failed. module_stat_cache[path+file]=0; e->errors += "\n"; // if (arrayp(err)) { // e->errors += path + file + ":" +describe_backtrace(err) + "\n"; // } else { // _master->errors += path + file + ": " + err; // } } } MD_PERROR(("\n")); } } master()->set_inhibit_compile_errors(0); if(strlen(e->get())) { report_debug(LOCALE->module_compilation_errors(d, e->get())); } } } void rescan_modules() { string file, path; mixed err; report_notice(LOCALE->scanning_for_modules()); if (!allmodules) { allmodules=copy_value(somemodules); } foreach(QUERY(ModuleDirs), path) { array err; err = catch(scan_module_dir( path )); if(err) { report_error(LOCALE->module_scan_error(path, describe_backtrace(err))); } } catch { rm(".module_stat_cache"); rm(".allmodules"); Stdio.write_file(".module_stat_cache", encode_value(module_stat_cache)); Stdio.write_file(".allmodules", encode_value(allmodules)); }; report_notice(LOCALE->module_scan_done(sizeof(allmodules))); } // 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) { #ifndef __NT__ 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"); #endif } void create_pid_file(string where) { #ifndef __NT__ if(!where) return; where = replace(where, ({ "$pid", "$uid" }), ({ (string)getpid(), (string)getuid() })); rm(where); if(catch(Stdio.write_file(where, sprintf("%d\n%d", getpid(), getppid())))) perror("I cannot create the pid file ("+where+").\n"); #endif } object shuffle(object from, object to, object|void to2, function(:void)|void callback) { #if efun(spider.shuffle) if(!to2) { object p = pipe(); p->input(from); p->set_done_callback(callback); p->output(to); return p; } else { #endif // 'smartpipe' does not support multiple outputs. object p = Pipe.pipe(); if (callback) p->set_done_callback(callback); p->output(to); if(to2) p->output(to2); p->input(from); return p; #if efun(spider.shuffle) } #endif } static private int _recurse; // FIXME: Ought to use the shutdown code. void exit_when_done() { object o; int i; roxen_perror("Interrupt request received. Exiting,\n"); die_die_die=1; // trace(9); if(++_recurse > 4) { roxen_perror("Exiting roxen (spurious signals received).\n"); stop_all_modules(); #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ exit(-1); // Restart. } // First kill off all listening sockets.. foreach(indices(portno)||({}), o) { #ifdef THREADS object fd = Stdio.File(); fd->connect( portno[o][2]!="Any"?portno[o][2]:"127.0.0.1", portno[o][0] ); destruct(fd); #endif destruct(o); } // Then wait for all sockets, but maximum 10 minutes.. call_out(lambda() { call_out(Simulate.this_function(), 5); if(!_pipe_debug()[0]) { roxen_perror("Exiting roxen (all connections closed).\n"); stop_all_modules(); #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ add_constant("roxen", 0); // Paranoia... exit(-1); // Restart. roxen_perror("Odd. I am not dead yet.\n"); } }, 0.1); call_out(lambda(){ roxen_perror("Exiting roxen (timeout).\n"); stop_all_modules(); #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ add_constant("roxen", 0); // Paranoia... exit(-1); // Restart. }, 600, 0); // Slow buggers.. } void exit_it() { perror("Recursive signals.\n"); exit(-1); // Restart. } void set_locale( string to ) { if( to == "standard" ) SET_LOCALE( default_locale ); SET_LOCALE( Locale.Roxen[ to ] || default_locale ); } // 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. int main(int|void argc, array (string)|void argv) { if(getenv("LANG")=="sv") default_locale = ( Locale.Roxen.svenska ); // else // SET_LOCALE( Locale.Roxen.standard ); SET_LOCALE(default_locale); initiate_languages(); mixed tmp; start_time = boot_time = time(); add_constant("write", perror); mark_fd(0, "Stdin"); mark_fd(1, "Stdout"); mark_fd(2, "Stderr"); configuration_dir = Getopt.find_option(argv, "d",({"config-dir","configuration-directory" }), ({ "ROXEN_CONFIGDIR", "CONFIGURATIONS" }), "../configurations"); if(configuration_dir[-1] != '/') configuration_dir += "/"; startpid = getppid(); roxenpid = getpid(); // Dangerous... if(tmp = Getopt.find_option(argv, "r", "root")) fix_root(tmp); argv -= ({ 0 }); argc = sizeof(argv); roxen_perror("Restart initiated at "+ctime(time())); define_global_variables(argc, argv); object o; if(QUERY(locale) != "standard" && (o = Locale.Roxen[QUERY(locale)])) { default_locale = o; SET_LOCALE(default_locale); } report_notice(LOCALE->starting_roxen()); #if efun(syslog) init_logger(); #endif init_garber(); initiate_supports(); initiate_configuration_port( 1 ); enable_configurations(); set_u_and_gid(); // Running with the right uid:gid from this point on. create_pid_file(Getopt.find_option(argv, "p", "pid-file", "ROXEN_PID_FILE") || QUERY(pidfile)); roxen_perror("Initiating argument cache ... "); int id; string cp = QUERY(argument_cache_dir), na = "args"; if( QUERY(argument_cache_in_db) ) { id = 1; cp = QUERY(argument_cache_db_path); na = "argumentcache"; } mixed e; e = catch( argcache = ArgCache(na,cp,id) ); if( e ) { report_error( "Failed to initialize the global argument cache:\n" + (describe_backtrace( e )/"\n")[0]+"\n"); werror( describe_backtrace( e ) ); } roxen_perror( "\n" ); enable_configurations_modules(); // 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) { destruct(configuration_interface()); configuration_interface()->build_root(root); } call_out(update_supports_from_roxen_com, QUERY(next_supports_update)-time()); #ifdef THREADS start_handler_threads(); catch( this_thread()->set_name("Backend") ); backend_thread = this_thread(); #if efun(thread_set_concurrency) thread_set_concurrency(QUERY(numthreads)+1); #endif #endif /* THREADS */ // Signals which cause a restart (exitcode != 0) foreach( ({ "SIGUSR1", "SIGUSR2", "SIGTERM" }), string sig) { catch { signal(signum(sig), exit_when_done); }; } catch { signal(signum("SIGHUP"), reload_all_configurations); }; // Signals which cause a shutdown (exitcode == 0) foreach( ({ "SIGINT" }), string sig) { catch { signal(signum(sig), shutdown); }; } report_notice(LOCALE->roxen_started(time()-start_time)); #ifdef __RUN_TRACE trace(1); #endif start_time=time(); // Used by the "uptime" info later on. return -1; } string diagnose_error(array from) { } // Called from the configuration interface. string check_variable(string name, mixed value) { switch(name) { case "ConfigPorts": config_ports_changed = 1; break; case "cachedir": if(!sscanf(value, "%*s/roxen_cache")) { // FIXME: LOCALE? object node; node = (configuration_interface()->root->descend("Globals", 1)-> descend("Proxy disk cache: Base Cache Dir", 1)); if(node && !node->changed) node->change(1); mkdirhier(value+"roxen_cache/foo"); call_out(set, 0, "cachedir", value+"roxen_cache/"); } break; case "ConfigurationURL": case "MyWorldLocation": if(strlen(value)<7 || value[-1] != '/' || !(sscanf(value,"%*s://%*s/")==2)) return(LOCALE->url_format()); break; case "abs_engage": if (value) restart_if_stuck(1); else remove_call_out(restart_if_stuck); break; case "suicide_engage": if (value) call_out(restart,60*60*24*QUERY(suicide_timeout)); else remove_call_out(restart); break; case "locale": object o; if(value != "standard" && (o = Locale.Roxen[value])) { default_locale = o; SET_LOCALE(default_locale); if(root) { // destruct(root); // configuration_interface()->root = configuration_interface()->Node(); configuration_interface()-> build_root(configuration_interface()->root); } } break; } } mapping config_cache = ([ ]); mapping host_accuracy_cache = ([]); int is_ip(string s) { return(replace(s, ({ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "." }), ({ "","","","","","","","","","","" })) == ""); } object find_server_for(object id, string host, string|void port) { object old_conf = id->conf; int portno = ((int)port); #ifdef REQUEST_DEBUG werror(sprintf("ROXEN: find_server_for(%O, %O, %O)\n", id, host, port)); #endif /* REQUEST_DEBUG */ if(portno!=0 && portno!=21 && portno!=80 && portno!=443) // Not likely to be anything else than the current virtual server. return id->conf; host = lower_case(host); if(config_cache[host]) { id->conf=config_cache[host]; } else { if (is_ip(host)) { // Not likely to be anything else than the current virtual server. config_cache[host] = id->conf; return (id->conf); } int best; object c; string hn; #if !constant(String.fuzzymatch) && constant(Array.diff_longest_sequence) array a = host/""; #endif /* !String.fuzzymatch && Array.diff_longest_sequence */ foreach(configurations, object s) { string h = lower_case(s->query("MyWorldLocation")); // Remove http:// et al here... // Would get interresting correlation problems with the "http" otherwise. int i = search(h, "://"); if (i != -1) { h = h[i+3..]; } if ((i = search(h, "/")) != -1) { h = h[..i-1]; } #if constant(String.fuzzymatch) int corr = String.fuzzymatch(host, h); #elif constant(Array.diff_longest_sequence) int corr = sizeof(Array.diff_longest_sequence(a, h/"")); #endif /* constant(Array.diff_longest_sequence) */ /* The idea of the algorithm is to find the server-url with the longest * common sequence of characters with the host-string, and among those * with the same correlation take the one which is shortest (ie least * amount to throw away). */ if ((corr > best) || ((corr == best) && hn && (sizeof(hn) > sizeof(h)))) { /* Either better correlation, * or the same, but a shorter hostname. */ best = corr; c = s; hn = h; } } #if !constant(String.fuzzymatch) && constant(Array.diff_longest_sequence) // Minmatch should be counted in percent best=best*100/strlen(host); #endif /* !String.fuzzymatch && Array.diff_longest_sequence */ if(best >= 50 /* QUERY(minmatch) */) id->conf = config_cache[host] = (c || id->conf); else config_cache[host] = id->conf; host_accuracy_cache[host] = best; } if (id->conf != old_conf) { /* Need to re-authenticate with the new server */ if (id->rawauth) { array(string) y = id->rawauth / " "; id->realauth = 0; id->auth = 0; if (sizeof(y) >= 2) { y[1] = MIME.decode_base64(y[1]); id->realauth = y[1]; if (id->conf && id->conf->auth_module) { y = id->conf->auth_module->auth(y, id); } id->auth = y; } } } return id->conf; } object find_site_for( object id ) { if(id->misc->host) return find_server_for(id,@lower_case(id->misc->host)/":"); return id->conf; }

Roxen.git/ server/ base_server/ roxen.pike > b941aa9e930760339364d58ab4945b35d4141903 [Annotate]