Roxen.git/server/base_server/roxen.pike:ef7223098ba2648650253b146e3bbc68b810bc13

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3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 // The Roxen Webserver main program. // Copyright © 1996 - 2000, Roxen IS. // // 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 1.554 2000/09/18 18:18:03 grubba Exp $"; // Used when running threaded to find out which thread is the backend thread, // for debug purposes only. object backend_thread; // The argument cache. Used by the image cache. ArgCache argcache; // Some headerfiles #define IN_ROXEN #include <roxen.h> #include <config.h> #include <module.h> #include <variables.h> #include <stat.h> // Inherits inherit "global_variables"; inherit "hosts"; inherit "disk_cache"; // inherit "language"; inherit "supports"; inherit "module_support"; inherit "config_userdb"; // --- Locale defines --- //<locale-token project="roxen_start"> LOC_S </locale-token> //<locale-token project="roxen_message"> LOC_M </locale-token> #define LOC_S(X,Y) _STR_LOCALE("roxen_start",X,Y) #define LOC_M(X,Y) _STR_LOCALE("roxen_message",X,Y) #define CALL_M(X,Y) _LOCALE_FUN("roxen_message",X,Y) // --- Debug defines --- #ifdef SSL3_DEBUG # define SSL3_WERR(X) werror("SSL3: "+X+"\n") #else # define SSL3_WERR(X) #endif #ifdef THREAD_DEBUG # define THREAD_WERR(X) werror("Thread: "+X+"\n") #else # define THREAD_WERR(X) #endif string query_configuration_dir() { return configuration_dir; } string filename( program|object o ) { if( objectp( o ) ) o = object_program( o ); string fname = master()->program_name( o ); if( !fname ) fname = "Unknown Program"; return fname-(getcwd()+"/"); } #ifdef THREADS // This mutex is used by Privs Thread.Mutex euid_egid_lock = Thread.Mutex(); #endif /* THREADS */ /* * The privilege changer. Works like a mutex lock, but changes the UID/GID * while held. Blocks all threads. * * Based on privs.pike,v 1.36. */ 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 && variables->audit->query()) #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) && (replace(uid,"0123456789"/"",({""})*10)=="")) uid = (int)uid; if(stringp(gid) && (replace(gid, "0123456789"/"", ({"" })*10) == "")) 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(LOC_M(1, "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_warning(LOC_M(2, "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! */ report_debug("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) { report_debug("%d... ", gid2); if (initgroups(u[0], gid2) >= 0) { if ((err = setegid(new_gid = gid2)) >= 0) { report_debug("Success!\n"); break; } } } } #endif /* HPUX_KLUDGE */ if (err < 0) { report_debug("Privs: Failed\n"); throw(({ sprintf("Failed to set EGID to %d\n", gid), backtrace() })); } report_debug("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(LOC_M(3,"Change back to uid#%d gid#%d, from %s")+"\n", saved_uid, saved_gid, dbt(bt[-2])); } else { report_notice(LOC_M(4,"Change back to uid#%d gid#%d, " "from backend")+"\n", saved_uid, saved_gid); } }; } if(getuid()) return; #ifdef PRIVS_DEBUG int uid = geteuid(); if (uid != new_uid) { werror("Privs: UID #%d differs from expected #%d\n" "%s\n", uid, new_uid, describe_backtrace(backtrace())); } int gid = getegid(); if (gid != new_gid) { werror("Privs: GID #%d differs from expected #%d\n" "%s\n", gid, new_gid, describe_backtrace(backtrace())); } #endif /* PRIVS_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 */ } #else /* efun(seteuid) */ void create(string reason, int|string|void uid, int|string|void gid){} #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); } // font cache and loading. // // This will be changed to a list of server global modules, to make it // easier to implement new types of fonts (such as PPM color fonts, as // an example) object fonts; // For prototype reasons. program Configuration; /*set in create*/ // No way to write array(Configuration) here, since the program // is not loaded yet. array configurations = ({}); // When true, roxen will shut down as soon as possible. local static int die_die_die; // Function that actually shuts down Roxen. (see low_shutdown). private static void really_low_shutdown(int exit_code) { // Die nicely. Catch for paranoia reasons #ifdef THREADS catch( stop_handler_threads() ); #endif /* THREADS */ exit( exit_code ); // Now we die... } // Shutdown Roxen // exit_code = 0 True shutdown // exit_code = -1 Restart private static void low_shutdown(int exit_code) { catch { configurations->stop(); int pid; if (exit_code) { report_debug("Restarting Roxen.\n"); } else { report_debug("Shutting down Roxen.\n"); // exit(0); } }; call_out(really_low_shutdown, 0.1, exit_code); } // Perhaps somewhat misnamed, really... This function will close all // listen ports and then quit. The 'start' script should then start a // new copy of roxen automatically. void restart(float|void i) //! Restart roxen, if the start script is running { call_out(low_shutdown, i, -1); } void shutdown(float|void i) //! Shut down roxen { call_out(low_shutdown, i, 0); } /* * handle() stuff */ #ifndef THREADS // handle function used when THREADS is not enabled. local static void unthreaded_handle(function f, mixed ... args) { f(@args); } function handle = unthreaded_handle; #else function handle = threaded_handle; #endif /* * THREADS code starts here */ #ifdef THREADS object do_thread_create(string id, function f, mixed ... args) { object t = thread_create(f, @args); catch(t->set_name( id )); THREAD_WERR(id+" started"); return t; } // Shamelessly uses facts about pikes preemting algorithm. // Might have to be fixed in the future. class Queue //! Thread.Queue lookalike, which uses some archaic and less //! known features of the preempting algorithm in pike to optimize the //! read function. { inherit Thread.Condition : r_cond; array buffer=allocate(8); int r_ptr, w_ptr; int size() { return w_ptr - r_ptr; } mixed read() { while(!(w_ptr - r_ptr)) r_cond::wait(); mixed tmp = buffer[r_ptr]; buffer[r_ptr++] = 0; // Throw away any references. return tmp; } void write(mixed v) { if(w_ptr >= sizeof(buffer)) { buffer=buffer[r_ptr..]+allocate(8); w_ptr-=r_ptr; r_ptr=0; } buffer[w_ptr++]=v; r_cond::signal(); } } local static Queue handle_queue = Queue(); //! Queue of things to handle. //! An entry consists of an array(function fp, array args) local static int thread_reap_cnt; //! Number of handler threads that are alive. local static void handler_thread(int id) //! The actual handling function. This functions read function and //! parameters from the queue, calls it, then reads another one. There //! is a lot of error handling to ensure that nothing serious happens if //! the handler function throws an error. { array (mixed) h, q; while(!die_die_die) { if(q=catch { do { THREAD_WERR("Handle thread ["+id+"] waiting for next event"); if((h=handle_queue->read()) && h[0]) { THREAD_WERR(sprintf("Handle thread [%O] calling %O(@%O)...", id, h[0], h[1..])); set_locale(); h[0](@h[1]); h=0; } else if(!h) { // Roxen is shutting down. report_debug("Handle thread ["+id+"] stopped\n"); thread_reap_cnt--; #ifdef NSERIOUS if(!thread_reap_cnt) report_debug("+++ATH\n"); #endif return; } } while(1); }) { if (h = catch { report_error(/*LOCALE("", "Uncaught error in handler thread: %s" "Client will not get any response from Roxen.\n"),*/ describe_backtrace(q)); if (q = catch {h = 0;}) { report_error(LOC_M(5, "Uncaught error in handler thread: %s Client" "will not get any response from Roxen.")+"\n", describe_backtrace(q)); } }) { catch { report_error("Error reporting error:\n"); report_error(sprintf("Raw error: %O\n", h[0])); report_error(sprintf("Original raw error: %O\n", q[0])); }; } } } } local static void threaded_handle(function f, mixed ... args) { handle_queue->write(({f, args })); } int number_of_threads; //! The number of handler threads to run. static array(object) handler_threads = ({}); //! The handler threads, the list is kept for debug reasons. void start_handler_threads() { if (QUERY(numthreads) <= 1) { set( "numthreads", 1 ); report_notice (LOC_S(1, "Starting one thread to handle requests.")+"\n"); } else { report_notice (LOC_S(2, "Starting %d threads to handle requests.")+"\n", QUERY(numthreads) ); } array(object) new_threads = ({}); for(; number_of_threads < QUERY(numthreads); number_of_threads++) new_threads += ({ do_thread_create( "Handle thread [" + number_of_threads + "]", handler_thread, number_of_threads ) }); handler_threads += new_threads; } void stop_handler_threads() //! Stop all the handler threads, but give up if it takes too long. { int timeout=10; #if constant(_reset_dmalloc) // DMALLOC slows stuff down a bit... timeout *= 10; #endif /* constant(_reset_dmalloc) */ report_debug("Stopping all request handler threads.\n"); while(number_of_threads>0) { number_of_threads--; handle_queue->write(0); thread_reap_cnt++; } handler_threads = ({}); while(thread_reap_cnt) { sleep(0.1); if(--timeout<=0) { report_debug("Giving up waiting on threads!\n"); return; } } } #endif /* THREADS */ mapping get_port_options( string key ) //! Get the options for the key 'key'. //! The intepretation of the options is protocol specific. { return (query( "port_options" )[ key ] || ([])); } void set_port_options( string key, mapping value ) //! Set the options for the key 'key'. //! The intepretation of the options is protocol specific. { mapping q = query("port_options"); q[ key ] = value; set( "port_options" , q ); save( ); } class InternalRequestID //! ID for internal requests that are not linked to any real request. { inherit RequestID; void create() { client = ({ "Roxen" }); prot = "INTERNAL"; method = "GET"; variables = ([]); misc = ([]); cookies = ([]); throttle = ([]); client_var = ([]); request_headers = ([]); prestate = (<>); config = (<>); supports = (<>); pragma = (<>); rest_query = ""; extra_extension = ""; } } class Protocol //! The basic protocol. //! Implements reference handling, finding Configuration objects //! for URLs, and the bind/accept handling. { inherit Stdio.Port: port; inherit "basic_defvar"; int bound; string path; constant name = "unknown"; constant supports_ipless = 0; //! If true, the protocol handles ip-less virtual hosting constant requesthandlerfile = ""; //! Filename of a by-connection handling class. It is also possible //! to set the 'requesthandler' class member in a overloaded create //! function. constant default_port = 4711; //! If no port is specified in the URL, use this one int port; //! The currently bound portnumber string ip; //! The IP-number (0 for ANY) this port is bound to int refs; //! The number of references to this port program requesthandler; //! The per-connection request handling class array(string) sorted_urls = ({}); //! Sorted by length, longest first mapping(string:mapping) urls = ([]); //! .. url -> ([ "conf":.., ... ]) void ref(string name, mapping data) //! Add a ref for the URL 'name' with the data 'data' { if(urls[name]) { urls[name] = data; return; // only ref once per URL } if (!refs) path = data->path; else if (path != (data->path || "")) path = 0; refs++; urls[name] = data; sorted_urls = Array.sort_array(indices(urls), lambda(string a, string b) { return sizeof(a)<sizeof(b); }); } void unref(string name) //! Remove a ref for the URL 'name' { // if(!urls[name]) // only unref once // return; m_delete(urls, name); if (!path && sizeof (Array.uniq (values (urls)->path)) == 1) path = values (urls)[0]->path; sorted_urls -= ({name}); if( !--refs ) destruct( ); // Close the port. } mapping mu; static void got_connection() { object q = accept( ); if( q ) { object c; if( refs < 2 ) { if(!mu) { mu = urls[sorted_urls[0]]; if(!(c=mu->conf)->inited ) c->enable_all_modules(); } else c = mu->conf; } requesthandler( q, this_object(), c ); } } local function sp_fcfu; #define INIT(X) do{mapping _=(X);string __=_->path;c=_->conf;if(__&&id->adjust_for_config_path) id->adjust_for_config_path(__);if(!c->inited)c->enable_all_modules(); } while(0) object find_configuration_for_url( string url, RequestID id, int|void no_default ) //! Given a url and requestid, try to locate a suitable configuration //! (virtual site) for the request. //! This interface is not at all set in stone, and might change at //! any time. { object c; if( sizeof( urls ) == 1 ) { if(!mu) mu=urls[sorted_urls[0]]; INIT( mu ); return c; } url = lower_case( url ); // The URLs are sorted from longest to shortest, so that short // urls (such as http://*/) will not match before more complete // ones (such as http://*.roxen.com/) foreach( sorted_urls, string in ) { if( glob( in+"*", url ) ) { INIT( urls[in] ); return c; } } if( no_default ) return 0; // No host matched, or no host header was included in the request. // Is the URL in the '*' ports? mixed i; if( !functionp(sp_fcfu) && ( i=open_ports[ name ][ 0 ][ port ] ) ) sp_fcfu = i->find_configuration_for_url; if( sp_fcfu && (sp_fcfu != find_configuration_for_url) && (i = sp_fcfu( url, id, 1 ))) return i; // No. We have to default to one of the other ports. // It might be that one of the servers is tagged as a default server. multiset choices = (< >); foreach( configurations, object c ) if( c->query( "default_server" ) ) choices |= (< c >); if( sizeof( choices ) ) { // First pick default servers bound to this port foreach( values(urls), mapping cc ) if( choices[ cc->conf ] ) { INIT( cc ); return c; } // if there is no such servers, pick the first default server // available. FIXME: This makes it impossible to handle the // server path correctly. c = ((array)choices)[0]; if(!c->inited) c->enable_all_modules(); return c; } // if we end up here, there is no default port at all available // so grab the first configuration that is available at all. INIT( urls[sorted_urls[0]] ); id->misc->defaulted=1; return c; } mixed query_option( string x ) //! Query the port-option 'x' for this port. { return query( x ); } string get_key() //! Return he key used for this port (protocol:ip:portno) { return name+":"+ip+":"+port; } void save() //! Save all port options { set_port_options( get_key(), mkmapping( indices(variables), map(indices(variables),query))); } void restore() //! Restore all port options from saved values { foreach( (array)get_port_options( get_key() ), array kv ) set( kv[0], kv[1] ); } static void create( int pn, string i ) //! Constructor. Bind to the port 'pn' ip 'i' { port = pn; ip = i; restore(); if( !requesthandler ) requesthandler = (program)requesthandlerfile; ::create(); if(!bind( port, got_connection, ip )) { report_error(LOC_M(6, "Failed to bind %s://%s:%d/ (%s)")+"\n", (string)name, (ip||"*"), (int)port, strerror( errno() )); bound = 0; } else bound = 1; } static string _sprintf( ) { return "Protocol("+name+"://"+ip+":"+port+")"; } } class SSLProtocol //! Base protocol for SSL ports. Exactly like Port, but uses SSL. { inherit Protocol; #if constant(Crypto) && constant(Crypto.rsa) && constant(Standards) && constant(Standards.PKCS.RSA) && constant(SSL) && constant(SSL.sslfile) // SSL context object ctx; class destruct_protected_sslfile { object sslfile; mixed `[](string s) { return sslfile[s]; } mixed `[]=(string s, mixed val) { return sslfile[s] = val; } mixed `->(string s) { return sslfile[s]; } mixed `->=(string s, mixed val) { return sslfile[s] = val; } void destroy() { if (sslfile) sslfile->close(); } void create(object q, object ctx) { sslfile = SSL.sslfile(q, ctx); } } object accept() { object q = ::accept(); if (q) return destruct_protected_sslfile(q, ctx); return 0; } void create(int pn, string i) { ctx = SSL.context(); set_up_ssl_variables( this_object() ); port = pn; ip = i; restore(); object privs = Privs("Reading cert file"); string f, f2; if( catch{ f = lopen(query_option("ssl_cert_file"), "r")->read(); } ) { report_error(LOC_M(8,"SSL3: Reading cert-file failed!")+"\n"); destruct(); return; } if( strlen(query_option("ssl_key_file")) && catch{ f2 = lopen(query_option("ssl_key_file"),"r")->read(); } ) { report_error(LOC_M(9, "SSL3: Reading key-file failed!")+"\n"); destruct(); return; } if (privs) destruct(privs); object msg = Tools.PEM.pem_msg()->init( f ); object part = msg->parts["CERTIFICATE"] || msg->parts["X509 CERTIFICATE"]; string cert; if (!part || !(cert = part->decoded_body())) { report_error(LOC_M(10, "SSL3: No certificate found.")+"\n"); destruct(); return; } if( f2 ) msg = Tools.PEM.pem_msg()->init( f2 ); function r = Crypto.randomness.reasonably_random()->read; SSL3_WERR(sprintf("key file contains: %O", indices(msg->parts))); if (part = msg->parts["RSA PRIVATE KEY"]) { string key; if (!(key = part->decoded_body())) { report_error(LOC_M(11,"SSL3: Private rsa key not valid")+" (PEM).\n"); destruct(); return; } object rsa = Standards.PKCS.RSA.parse_private_key(key); if (!rsa) { report_error(LOC_M(11, "SSL3: Private rsa key not valid")+" (DER).\n"); destruct(); return; } ctx->rsa = rsa; SSL3_WERR(sprintf("RSA key size: %d bits", rsa->rsa_size())); if (rsa->rsa_size() > 512) { /* Too large for export */ ctx->short_rsa = Crypto.rsa()->generate_key(512, r); // ctx->long_rsa = Crypto.rsa()->generate_key(rsa->rsa_size(), r); } ctx->rsa_mode(); object tbs = Tools.X509.decode_certificate (cert); if (!tbs) { report_error(LOC_M(13,"SSL3: Certificate not valid (DER).")+"\n"); destruct(); return; } if (!tbs->public_key->rsa->public_key_equal (rsa)) { report_error(LOC_M(14, "SSL3: Certificate and private key do not " "match.")+"\n"); destruct(); return; } } else if (part = msg->parts["DSA PRIVATE KEY"]) { string key; if (!(key = part->decoded_body())) { report_error(LOC_M(15,"SSL3: Private dsa key not valid")+" (PEM).\n"); destruct(); return; } object dsa = Standards.PKCS.DSA.parse_private_key(key); if (!dsa) { report_error(LOC_M(15,"SSL3: Private dsa key not valid")+" (DER).\n"); destruct(); return; } SSL3_WERR(sprintf("Using DSA key.")); dsa->use_random(r); ctx->dsa = dsa; /* Use default DH parameters */ ctx->dh_params = SSL.cipher.dh_parameters(); ctx->dhe_dss_mode(); // FIXME: Add cert <-> private key check. } else { report_error(LOC_M(17,"SSL3: No private key found.")+"\n"); destruct(); return; } ctx->certificates = ({ cert }); ctx->random = r; #if EXPORT ctx->export_mode(); #endif ::create(pn, i); } #else /* !constant(SSL.sslfile) */ void create(int pn, string i) { report_error(LOC_M(18,"No SSL support available.")+"\n"); destruct(); } #endif /* constant(SSL.sslfile) */ string _sprintf( ) { return "SSLProtocol("+name+"://"+ip+":"+port+")"; } } #if constant(HTTPLoop.prog) class FHTTP { inherit Protocol; // inherit Stdio.Port : port; constant supports_ipless=1; constant name = "fhttp"; constant default_port = 80; int dolog; int requests, received, sent; HTTPLoop.Loop l; Stdio.Port portobj; mapping flatten_headers( mapping from ) { mapping res = ([]); foreach(indices(from), string f) res[f] = from[f]*", "; return res; } void setup_fake(object o) { mapping vars = ([]); o->extra_extension = ""; o->misc = flatten_headers(o->headers); o->cmf = 100*1024; o->cmp = 100*1024; if(o->method == "POST" && strlen(o->data)) { mapping variabels = ([]); switch((o->misc["content-type"]/";")[0]) { default: // Normal form data, handled in the C part. break; case "multipart/form-data": object messg = MIME.Message(o->data, o->misc); mapping misc = o->misc; foreach(messg->body_parts, object part) { if(part->disp_params->filename) { vars[part->disp_params->name]=part->getdata(); vars[part->disp_params->name+".filename"]= part->disp_params->filename; if(!misc->files) misc->files = ({ part->disp_params->name }); else misc->files += ({ part->disp_params->name }); } else { vars[part->disp_params->name]=part->getdata(); } } break; } o->variables = vars|o->variables; } string contents; if(contents = o->misc["cookie"]) { string c; mapping cookies = ([]); multiset config = (<>); o->misc->cookies = contents; foreach(((contents/";") - ({""})), c) { string name, value; while(sizeof(c) && c[0]==' ') c=c[1..]; if(sscanf(c, "%s=%s", name, value) == 2) { value=http_decode_string(value); name=http_decode_string(name); cookies[ name ]=value; if(name == "RoxenConfig" && strlen(value)) config = aggregate_multiset(@(value/"," + ({ }))); } } o->cookies = cookies; o->config = config; } else { o->cookies = ([]); o->config = (<>); } if(contents = o->misc->accept) o->misc->accept = contents/","; if(contents = o->misc["accept-charset"]) o->misc["accept-charset"] = ({ contents/"," }); if(contents = o->misc["accept-language"]) o->misc["accept-language"] = ({ contents/"," }); if(contents = o->misc["session-id"]) o->misc["session-id"] = ({ contents/"," }); } void handle_request(object o) { setup_fake( o ); // Equivalent to parse_got in http.pike handle( o->handle_request, this_object() ); } int cdel=10; void do_log() { if(l->logp()) { // werror("log..\n"); switch(query("log")) { case "None": l->log_as_array(); break; case "CommonLog": object f = Stdio.File( query("log_file"), "wca" ); l->log_as_commonlog_to_file( f ); destruct(f); break; default: report_notice( "It is not yet possible to log using the "+ query("log")+" method. Sorry. Out of time..."); break; } cdel--; if(cdel < 1) cdel=1; } else { cdel++; // werror("nolog..\n"); } call_out(do_log, cdel); } string status( ) { mapping m = l->cache_status(); string res; low_adjust_stats( m ); #define PCT(X) ((int)(((X)/(float)(m->total+0.1))*100)) res = ("\nCache statistics\n<pre>\n"); m->total = m->hits + m->misses + m->stale; res += sprintf(" %d elements in cache, size is %1.1fMb max is %1.1fMb\n" " %d cache lookups, %d%% hits, %d%% misses and %d%% stale.\n", m->entries, m->size/(1024.0*1024.0), m->max_size/(1024*1024.0), m->total, PCT(m->hits), PCT(m->misses), PCT(m->stale)); return res+"\n</pre>\n"; } void low_adjust_stats(mapping m) { array q = values( urls )->conf; if( sizeof( q ) ) /* This is not exactly correct if sizeof(q)>1 */ { q[0]->requests += m->num_request; q[0]->received += m->received_bytes; q[0]->sent += m->sent_bytes; } requests += m->num_requests; received += m->received_bytes; sent += m->sent_bytes; } void adjust_stats() { call_out(adjust_stats, 2); // werror( status() ); low_adjust_stats( l->cache_status() ); } void create( int pn, string i ) { requesthandler = (program)"protocols/fhttp.pike"; port = pn; ip = i; set_up_fhttp_variables( this_object() ); restore(); dolog = (query_option( "log" ) && (query_option( "log" )!="None")); portobj = Stdio.Port(); /* No way to use ::create easily */ if( !portobj->bind( port, 0, ip ) ) { report_error(LOC_M(6,"Failed to bind %s://%s:%d/ (%s)")+"\n", name,ip||"*",(int)port, strerror(errno())); destruct(portobj); return; } l = HTTPLoop.Loop( portobj, requesthandler, handle_request, 0, ((int)query_option("ram_cache")||20)*1024*1024, dolog, (query_option("read_timeout")||120) ); call_out(adjust_stats, 10); if(dolog) call_out(do_log, 5); } } #endif class HTTP { inherit Protocol; constant supports_ipless = 1; constant name = "http"; constant requesthandlerfile = "protocols/http.pike"; constant default_port = 80; int set_cookie, set_cookie_only_once; void fix_cvars( Variable.Variable a ) { set_cookie = query( "set_cookie" ); set_cookie_only_once = query( "set_cookie_only_once" ); } void create( mixed ... args ) { set_up_http_variables( this_object() ); if( variables[ "set_cookie" ] ) variables[ "set_cookie" ]->set_changed_callback( fix_cvars ); if( variables[ "set_cookie_only_once" ] ) variables[ "set_cookie_only_once" ]->set_changed_callback( fix_cvars ); fix_cvars(0); ::create( @args ); } } class HTTPS { inherit SSLProtocol; constant supports_ipless = 0; constant name = "https"; constant requesthandlerfile = "protocols/http.pike"; constant default_port = 443; class fallback_redirect_request { string in = ""; string out; string default_prefix; int port; Stdio.File f; void die() { SSL3_WERR(sprintf("fallback_redirect_request::die()")); f->close(); destruct(f); destruct(this_object()); } void write_callback(object id) { SSL3_WERR(sprintf("fallback_redirect_request::write_callback()")); int written = id->write(out); if (written <= 0) die(); out = out[written..]; if (!strlen(out)) die(); } void read_callback(object id, string s) { SSL3_WERR(sprintf("fallback_redirect_request::read_callback(X, \"%s\")\n", s)); in += s; string name; string prefix; if (search(in, "\r\n\r\n") >= 0) { // werror("request = '%s'\n", in); array(string) lines = in / "\r\n"; array(string) req = replace(lines[0], "\t", " ") / " "; if (sizeof(req) < 2) { out = "HTTP/1.0 400 Bad Request\r\n\r\n"; } else { if (sizeof(req) == 2) { name = req[1]; } else { name = req[1..sizeof(req)-2] * " "; foreach(map(lines[1..], `/, ":"), array header) { if ( (sizeof(header) >= 2) && (lower_case(header[0]) == "host") ) prefix = "https://" + header[1] - " "; } } if (prefix) { if (prefix[-1] == '/') prefix = prefix[..strlen(prefix)-2]; prefix = prefix + ":" + port; } else { /* default_prefix (aka MyWorldLocation) already contains the * portnumber. */ if (!(prefix = default_prefix)) { /* This case is most unlikely to occur, * but better safe than sorry... */ string ip = (f->query_address(1)/" ")[0]; prefix = "https://" + ip + ":" + port; } else if (prefix[..4] == "http:") { /* Broken MyWorldLocation -- fix. */ prefix = "https:" + prefix[5..]; } } out = sprintf("HTTP/1.0 301 Redirect to secure server\r\n" "Location: %s%s\r\n\r\n", prefix, name); } f->set_read_callback(0); f->set_write_callback(write_callback); } } void create(object socket, string s, string l, int p) { SSL3_WERR(sprintf("fallback_redirect_request(X, \"%s\", \"%s\", %d)", s, l||"CONFIG PORT", p)); f = socket; default_prefix = l; port = p; f->set_nonblocking(read_callback, 0, die); f->set_id(f); read_callback(f, s); } } #if constant(SSL.sslfile) class http_fallback { object my_fd; void ssl_alert_callback(object alert, object|int n, string data) { SSL3_WERR(sprintf("http_fallback(X, %O, \"%s\")", n, data)); // trace(1); if ( (my_fd->current_write_state->seq_num == 0) && search(lower_case(data), "http")) { object raw_fd = my_fd->socket; my_fd->socket = 0; /* Redirect to a https-url */ // my_fd->set_close_callback(0); // my_fd->leave_me_alone = 1; fallback_redirect_request(raw_fd, data, my_fd->config && my_fd->config->query("MyWorldLocation"), port); destruct(my_fd); destruct(this_object()); // my_fd = 0; /* Forget ssl-object */ } } void ssl_accept_callback(object id) { SSL3_WERR(sprintf("ssl_accept_callback(X)")); id->set_alert_callback(0); /* Forget about http_fallback */ my_fd = 0; /* Not needed any more */ } void create(object fd) { my_fd = fd; fd->set_alert_callback(ssl_alert_callback); fd->set_accept_callback(ssl_accept_callback); } } object accept() { object q = ::accept(); if (q) { http_fallback(q); } return q; } #endif /* constant(SSL.sslfile) */ int set_cookie, set_cookie_only_once; void fix_cvars( Variable.Variable a ) { set_cookie = query( "set_cookie" ); set_cookie_only_once = query( "set_cookie_only_once" ); } void create( mixed ... args ) { set_up_http_variables( this_object() ); if( variables[ "set_cookie" ] ) variables[ "set_cookie" ]->set_changed_callback( fix_cvars ); if( variables[ "set_cookie_only_once" ] ) variables[ "set_cookie_only_once" ]->set_changed_callback( fix_cvars ); fix_cvars(0); ::create( @args ); } } class FTP { inherit Protocol; constant supports_ipless = 0; constant name = "ftp"; constant requesthandlerfile = "protocols/ftp.pike"; constant default_port = 21; // Some statistics int sessions; int ftp_users; int ftp_users_now; mapping(string:int) ftp_sessions = ([]); void create( mixed ... args ) { set_up_ftp_variables( this_object() ); ::create( @args ); } } class FTPS { inherit SSLProtocol; constant supports_ipless = 0; constant name = "ftps"; constant requesthandlerfile = "protocols/ftp.pike"; constant default_port = 21; /*** ???? ***/ // Some statistics int sessions; int ftp_users; int ftp_users_now; mapping(string:int) ftp_sessions = ([]); void create( mixed ... args ) { set_up_ftp_variables( this_object() ); ::create( @args ); } } class GOPHER { inherit Protocol; constant supports_ipless = 0; constant name = "gopher"; constant requesthandlerfile = "protocols/gopher.pike"; constant default_port = 70; } class TETRIS { inherit Protocol; constant supports_ipless = 0; constant name = "tetris"; constant requesthandlerfile = "protocols/tetris.pike"; constant default_port = 2050; } class SMTP { inherit Protocol; constant supports_ipless = 1; constant name = "smtp"; constant requesthandlerfile = "protocols/smtp.pike"; constant default_port = Protocols.Ports.tcp.smtp; } class POP3 { inherit Protocol; constant supports_ipless = 0; constant name = "pop3"; constant requesthandlerfile = "protocols/pop3.pike"; constant default_port = Protocols.Ports.tcp.pop3; } class IMAP { inherit Protocol; constant supports_ipless = 0; constant name = "imap"; constant requesthandlerfile = "protocols/imap.pike"; constant default_port = Protocols.Ports.tcp.imap2; } mapping protocols = ([ #if constant(HTTPLoop.prog) "fhttp":FHTTP, #else "fhttp":HTTP, #endif "http":HTTP, "ftp":FTP, "https":HTTPS, "ftps":FTPS, "gopher":GOPHER, "tetris":TETRIS, "smtp":SMTP, "pop3":POP3, "imap":IMAP, ]); mapping(string:mapping) open_ports = ([ ]); mapping(string:object) urls = ([]); array sorted_urls = ({}); array(string) find_ips_for( string what ) { if( what == "*" || lower_case(what) == "any" ) return 0; if( is_ip( what ) ) return ({ what }); array res = gethostbyname( what ); if( !res || !sizeof( res[1] ) ) report_error(LOC_M(46, "Cannot possibly bind to %O, that host is " "unknown. Substituting with ANY")+"\n", what); else return Array.uniq(res[1]); } void unregister_url( string url ) { string ourl = url; url = lower_case( url ); string host, path, protocol; int port; if (!sizeof (url - " " - "\t")) return; url = replace( url, "/ANY", "/*" ); url = replace( url, "/any", "/*" ); sscanf( url, "%[^:]://%[^/]%s", protocol, host, path ); if (!host || !stringp(host)) return; sscanf(host, "%[^:]:%d", host, port); if( !port ) { port = protocols[ protocol ]->default_port; url = protocol+"://"+host+":"+port+path; } report_debug("Unregister "+url+"\n"); if( urls[ url ] && urls[ url ]->port ) { urls[ url ]->port->unref(url); m_delete( urls, url ); m_delete( urls, ourl ); sort_urls(); } } array all_ports( ) { return Array.uniq( values( urls )->port ); } Protocol find_port( string name ) { foreach( all_ports(), Protocol p ) if( p->get_key() == name ) return p; } void sort_urls() { sorted_urls = indices( urls ); sort( map( map( sorted_urls, strlen ), `-), sorted_urls ); } int register_url( string url, object/*(Configuration)*/ conf ) { string ourl = url; url = lower_case( url ); if (!sizeof (url - " " - "\t")) return 1; string protocol; string host; int port; string path; url = replace( url, "/ANY", "/*" ); url = replace( url, "/any", "/*" ); sscanf( url, "%[^:]://%[^/]%s", protocol, host, path ); if (!host || !stringp(host)) { report_error(LOC_M(19,"Bad URL '%s' for server `%s'")+"\n", url, conf->query_name()); return 0; } sscanf(host, "%[^:]:%d", host, port); if( !port ) { port = protocols[ protocol ]->default_port; url = protocol+"://"+host+":"+port+path; } if( strlen( path ) && ( path[-1] == '/' ) ) path = path[..strlen(path)-2]; if( !strlen( path ) ) path = 0; if( urls[ url ] && urls[ url ]->conf ) { if( urls[ url ]->conf != conf ) { report_error(LOC_M(20, "Cannot register URL %s, " "already registered by %s!")+"\n", url, urls[ url ]->conf->name); return 0; } urls[ url ]->port->ref(url, urls[url]); return 1; } else if( urls[ url ] ) { urls[ url ]->port->unref( url ); } Protocol prot; if( !( prot = protocols[ protocol ] ) ) { report_error(LOC_M(21, "Cannot register URL %s, " "cannot find the protocol %s!")+"\n", url, protocol); return 0; } if( !port ) port = prot->default_port; array(string) required_hosts; if (is_ip(host)) required_hosts = ({ host }); else required_hosts = find_ips_for( host ); if (!required_hosts) required_hosts = ({ 0 }); // ANY mapping m; if( !( m = open_ports[ protocol ] ) ) // always add 'ANY' (0) here, as an empty mapping, for speed reasons. // There is now no need to check for both open_ports[prot][0] and // open_ports[prot][0][port], we can go directly to the latter // test. m = open_ports[ protocol ] = ([ 0:([]) ]); if( sizeof( required_hosts - ({ 0 }) ) // not ANY && m[ 0 ][ port ] && prot->supports_ipless ) // The ANY port is already open for this port, and since this // protocol supports IP-less virtual hosting, there is no need to // open yet another port, that would mosts probably only conflict // with the ANY port anyway. (this is true on most OSes, it works // on Solaris, but fails on linux) required_hosts = ({ 0 }); urls[ url ] = ([ "conf":conf, "path":path ]); urls[ ourl ] = ([ "conf":conf, "path":path ]); sorted_urls += ({ url }); int failures; foreach(required_hosts, string required_host) { if( m[ required_host ] && m[ required_host ][ port ] ) { m[required_host][port]->ref(url, urls[url]); urls[url]->port = m[required_host][port]; continue; /* No need to open a new port */ } if( !m[ required_host ] ) m[ required_host ] = ([ ]); mixed err; if (err = catch { m[ required_host ][ port ] = prot( port, required_host ); }) { failures++; report_error(sprintf("Initializing the port handler for URL " + url + " failed!\n" "%s\n", describe_backtrace(err))); continue; } if( !( m[ required_host ][ port ] ) ) { m_delete( m[ required_host ], port ); failures++; if (required_host) { report_warning(LOC_M(22, "Binding the port on IP %s " "failed\n for URL %s!\n"), url, required_host); } continue; } urls[ url ]->port = m[ required_host ][ port ]; urls[ ourl ]->port = m[ required_host ][ port ]; m[ required_host ][ port ]->ref(url, urls[url]); if( !m[ required_host ][ port ]->bound ) failures++; } if (failures == sizeof(required_hosts)) { report_error(LOC_M(23, "Cannot register URL %s!")+"\n", url); return 0; } sort_urls(); report_notice(LOC_S(3, "Registered %s for %s")+"\n", url, conf->query_name() ); return 1; } object/*(Configuration)*/ find_configuration( string name ) //! Searches for a configuration with a name or fullname like the //! given string. See also get_configuration(). { name = replace( lower_case( replace(name,"-"," ") )-" ", "/", "-" ); foreach( configurations, object/*(Configuration)*/ o ) { if( (lower_case( replace( replace(o->name, "-"," ") - " " , "/", "-" ) ) == name) || (lower_case( replace( replace(o->query_name(), "-", " ") - " " , "/", "-" ) ) == name) ) return o; } return 0; } mapping(string:array(int)) error_log=([]); // Write a string to the administration interface error log and to stderr. void nwrite(string s, int|void perr, int|void errtype, object|void mod, object|void conf) { int log_time = time(1); string reference = (mod ? Roxen.get_modname(mod) : conf && conf->name) || ""; string log_index = sprintf("%d,%s,%s", errtype, reference, s); if(!error_log[log_index]) error_log[log_index] = ({ log_time }); else error_log[log_index] += ({ log_time }); if( mod ) { if( !mod->error_log ) mod->error_log = ([]); mod->error_log[log_index] += ({ log_time }); } if( conf ) { if( !conf->error_log ) conf->error_log = ([]); conf->error_log[log_index] += ({ log_time }); } if(errtype >= 1) report_debug( s ); } // When was Roxen started? int boot_time =time(); int start_time =time(); string version() { #ifndef NSERIOUS return QUERY(default_ident)?real_version:QUERY(ident); #else multiset choices=(<>); string version=QUERY(default_ident)?real_version:QUERY(ident); return version+", "+ ({ "Applier of Templates", "Beautifier of Layouts", "Conqueror of Comdex", "Deliverer of Documents", "Enhancer of Abilities", "Freer of Webmasters", "Generator of Logs", "Helper of Users", "Interpreter of Scripts", "Juggler of Java-code", "Keeper of Databases", "Locator of Keywords", "Manipulator of Data", "Negatiator of Protocols", "Operator of Sites", "Provider of Contents", "Quintessence of Quality", "Responder to Connections", "Server of Webs", "Translator of Texts", "Unifier of Interfaces", "Valet of Visitors", "Watcher for Requests", "Xylem of Services", "Yielder of Information", "Zenith of Extensibility" })[random(26)]; #endif } public void log(mapping file, RequestID 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]; report_debug("Restoring unique user ID information. (" + current_user_id_number + ")\n"); #ifdef FD_DEBUG mark_fd(current_user_id_file->query_fd(), "Unique user ID logfile.\n"); #endif } int increase_id() { if(!current_user_id_file) { restore_current_user_id_number(); return current_user_id_number+time(1); } if(current_user_id_file->stat()[2] != current_user_id_file_last_mod) restore_current_user_id_number(); current_user_id_number++; //werror("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; } #ifndef __NT__ 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; report_debug("Anti-Block System Enabled.\n"); } call_out (restart_if_stuck,10); signal(signum("SIGALRM"), lambda( int n ) { report_debug("**** %s: ABS engaged!\n" "Trying to dump backlog: \n", ctime(time()) - "\n"); catch { // Catch for paranoia reasons. describe_all_threads(); }; report_debug("**** %s: ABS exiting roxen!\n\n", ctime(time())); _exit(1); // It might now quit correctly otherwise, if it's // locked up }); alarm (60*QUERY(abs_timeout)+10); } #endif class ImageCache //! The image cache handles the behind-the-scenes caching and //! regeneration features of graphics generated on the fly. Besides //! being a cache, however, it serves a wide variety of other //! interesting image conversion/manipulation functions as well. { string name; string dir; function draw_function; mapping data_cache = ([]); // not normally used. mapping meta_cache = ([]); string documentation(void|string tag_n_args) { Stdio.File doc_file; if(!(doc_file=Stdio.File("base_server/image_cache.xml"))) return ""; string doc=doc_file->read(); if(!tag_n_args) return Parser.HTML()->add_container("ex", "")->feed(doc)->read(); return replace(doc, "###", tag_n_args); } 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 mixed frommapp( mapping what ) { if( !zero_type(what[""]) ) return what[""]; return what; } static void draw( string name, RequestID id ) { mixed args = Array.map( Array.map( name/"$", argcache->lookup, id->client ), frommapp); mapping meta; string data; mixed reply = draw_function( @copy_value(args), id ); if( arrayp( args ) ) args = args[0]; if( arrayp( reply ) ) // layers. reply = Image.lay( reply ); if( objectp( reply ) && reply->image ) // layer. { reply = ([ "img":reply->image(), "alpha":reply->alpha(), ]); } 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; Image.Color.Color bgcolor; object alpha; int true_alpha; if( args->fs || dither == "fs" ) dither = "floyd_steinberg"; if( dither == "random" ) dither = "random_dither"; if( format == "jpg" ) format = "jpeg"; if( dither ) dither = replace( dither, "-", "_" ); if(mappingp(reply)) { alpha = reply->alpha; reply = reply->img; } if( args["true-alpha"] ) true_alpha = 1; if( args["background"] || args["background-color"]) bgcolor = Image.Color( (args["background"]||args["background-color"]) ); if( args["opaque-value"] ) { if( !bgcolor ) true_alpha = 1; int ov = (int)(((float)args["opaque-value"])*2.55); if( ov < 0 ) ov = 0; else if( ov > 255 ) ov = 255; if( alpha ) alpha *= ov; else alpha = Image.Image( reply->xsize(), reply->ysize(), ov,ov,ov ); } if( args->gamma ) reply = reply->gamma( (float)args->gamma ); if( bgcolor && alpha && !true_alpha ) { reply = Image.Image( reply->xsize(), reply->ysize(), bgcolor ) ->paste_mask( reply, alpha ); alpha = alpha->threshold( 4 ); } int x0, y0, x1, y1; if( args["x-offset"] || args["xoffset"] ) x0 = (int)(args["x-offset"]||args["xoffset"]); if( args["y-offset"] || args["yoffset"] ) y0 = (int)(args["y-offset"]||args["yoffset"]); if( args["width"] || args["x-size"] ); x1 = (int)(args["x-size"]||args["width"]); if( args["height"] || args["y-size"] ); y1 = (int)(args["y-size"]||args["height"]); if( args->crop ) { if( sscanf( args->crop, "%d,%d-%d,%d", x0, y0, x1, y1 ) ) { x1 -= x0; y1 -= y0; } else { [ x0, y0, x1, y1 ] = reply->find_autocrop(); x1 -= x0; y1 -= y0; } } if( x0 || x1 || y0 || y1 ) { if( !x1 ) x1 = reply->xsize()-x0; if( !y1 ) y1 = reply->ysize()-y0; reply = reply->copy( x0,y0,x0+x1-1,y0+y1-1 ); if( alpha ) alpha = alpha->copy( x0,y0,x0+x1-1,y0+y1-1 ); } 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 || args["max-width"] || args["max-height"]) { int x = (int)args->maxwidth||(int)args["max-width"]; int y = (int)args->maxheight||(int)args["max-height"]; 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( args["rotate-cw"] || args["rotate-ccw"]) { float degree = (float)(args["rotate-cw"] || args["rotate-ccw"]); switch( args["rotate-unit"] && args["rotate-unit"][0..0] ) { case "r": degree = (degree / (2*3.1415)) * 360; break; case "d": break; case "n": degree = (degree / 400) * 360; break; case "p": degree = (degree / 1.0) * 360; break; } if( args["rotate-cw"] ) degree = -degree; if(!alpha) alpha = reply->copy()->clear(255,255,255); reply = reply->rotate_expand( degree ); alpha = alpha->rotate( degree, 0,0,0 ); } if( args["mirror-x"] ) { if( alpha ) alpha = alpha->mirrorx(); reply = reply->mirrorx(); } if( args["mirror-y"] ) { if( alpha ) alpha = alpha->mirrory(); reply = reply->mirrory(); } if( bgcolor && alpha && !true_alpha ) { reply = Image.Image( reply->xsize(), reply->ysize(), bgcolor ) ->paste_mask( reply, alpha ); } if( args["cs-rgb-hsv"] )reply = reply->rgb_to_hsv(); if( args["cs-grey"] ) reply = reply->grey(); if( args["cs-invert"] ) reply = reply->invert(); if( args["cs-hsv-rgb"] )reply = reply->hsv_to_rgb(); if( !true_alpha && alpha ) alpha = alpha->threshold( 4 ); if( quant || (format=="gif") ) { int ncols = quant; if( format=="gif" ) { ncols = ncols||id->misc->defquant||32; if( ncols > 254 ) ncols = 254; } 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) if( opt != "alpha" ) enc_args[opt] = (int)args[n]; switch(format) { case "gif": #if constant(Image.GIF) && constant(Image.GIF.encode) if( alpha && true_alpha ) { Image.Colortable bw=Image.Colortable( ({ ({ 0,0,0 }), ({ 255,255,255 }) }) ); bw->floyd_steinberg(); alpha = bw->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 ); #else data = 0; #endif break; case "png": if( ct ) enc_args->palette = ct; m_delete( enc_args, "colortable" ); if( !(args["png-use-alpha"] || args["true-alpha"]) ) m_delete( enc_args, "alpha" ); else if( enc_args->alpha ) // PNG encoder doesn't handle alpha and palette simultaneously // which is rather sad, since that's the only thing 100% supported // by all common browsers. m_delete( enc_args, "palette"); else m_delete( enc_args, "alpha" ); 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; if(!(f=open(dir+id+".i", "wct" ))) { 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 ) { if(!data) return; Stdio.File f; if(!(f = open(dir+id+".d", "wct" ))) { data_cache_insert( id, data ); report_error( "Failed to open image cache persistant cache file "+ dir+id+".d: "+strerror( errno() )+ "\n" ); return; } f->write( data ); } static mapping restore_meta( string id ) { Stdio.File f; if( meta_cache[ id ] ) return meta_cache[ id ]; if( !(f=open(dir+id+".i", "r" ) ) ) return 0; string s = f->read(); mapping m; if (catch (m = decode_value (s))) { rm (dir + id + ".i"); report_error( "Corrupt data in persistent cache file "+ dir+id+".i; removed it.\n" ); return 0; } return meta_cache_insert( id, m ); } void flush(int|void age) //! Flush the cache. If an age (an integer as returned by //! <pi>time()</pi>) is provided, only images generated earlier than //! that are flushed. { report_debug("Flushing "+name+" image cache.\n"); foreach(r_get_dir(dir), string f) if(f[-2]=='.' && (f[-1]=='i' || f[-1]=='d') && (!age || age>r_file_stat(dir+f)[2])) r_rm(dir+f); } array(int) status(int|void age) //! Return the total number of images in the cache, their cumulative //! sizes in bytes and, if an age time_t was supplied, the number of //! images generated earlier than that (see <ref>flush()</ref>). //! (These three integers are returned regardless of whether an age //! parameter was given.) { int files=0, size=0, aged=0; Stat stat; foreach(r_get_dir(dir), string f) if(f[-2]=='.' && (f[-1]=='i' || f[-1]=='d')) { files++; stat=r_file_stat(dir+f,1); if(stat[1]>0) size+=stat[1]; if(age<stat[2]) aged++; } return ({files, size, aged}); } static mapping restore( string id ) { mixed f; mapping m; if( data_cache[ id ] ) f = data_cache[ id ]; else if(!(f = open( dir+id+".d", "r" ))) return 0; m = restore_meta( id ); if(!m) return 0; if( stringp( f ) ) return Roxen.http_string_answer( f, m->type||("image/gif") ); return Roxen.http_file_answer( f, m->type||("image/gif") ); } string data( array|string|mapping args, RequestID id, int|void nodraw ) //! Returns the actual raw image data of the image rendered from the //! `data' instructions. //! //! A non-zero `nodraw' parameter means an image not already in the //! cache will not be rendered on the fly, but instead return zero. { 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( array|string|mapping data, RequestID id, int|void nodraw ) //! Returns a <ref>result mapping</ref> like one generated by //! <ref>Roxen.http_file_answer()</ref> but for the image file //! rendered from the `data' instructions. //! //! Like <ref>metadata</ref>, a non-zero `nodraw' parameter means an //! image not already in the cache will not be rendered on the fly, //! but instead return zero (for request not handled). { 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( array|string|mapping data, RequestID id, int|void nodraw ) //! Returns a mapping of image metadata for an image generated from //! the data given (as sent to <ref>store()</ref>). If a non-zero //! `nodraw' parameter is given and the image was not in the cache, //! it will not be rendered on the fly to get the correct data. { string na = store( data,id ); if(!restore_meta( na )) { if(nodraw) return 0; draw( na, id ); return restore_meta( na ); } return restore_meta( na ); } mapping tomapp( mixed what ) { if( mappingp( what )) return what; return ([ "":what ]); } string store( array|string|mapping data, RequestID id ) //! Store the data your draw callback expects to receive as its //! first argument(s). If the data is an array, the draw callback //! will be called like <pi>callback( @data, id )</pi>. { string ci; if( mappingp( data ) ) { if (!data->format) { // Make implicit format choice explicit #if constant(Image.GIF) && constant(Image.GIF.encode) data->format = "gif"; #else data->format = "png"; #endif } ci = argcache->store( data ); } else if( arrayp( data ) ) { if (!data[0]->format) { // Make implicit format choice explicit #if constant(Image.GIF) && constant(Image.GIF.encode) data[0]->format = "gif"; #else data[0]->format = "png"; #endif } ci = map( map( data, tomapp ), argcache->store )*"$"; } else ci = data; return ci; } void set_draw_function( function to ) //! Set a new draw function. { draw_function = to; } void create( string id, function draw_func, string|void d ) //! Instantiate an image cache of your own, whose image files will //! be stored in a directory `id' in the argument cache directory, //! typically <tt>../var/cache/</tt>. If you supply the optional //! third parameter, this path will be used instead of the common //! argument cache directory. //! //! The `draw_func' callback passed will be responsible for //! (re)generation of the images in the cache. Your draw callback //! may take any arguments you want, depending on the first argument //! you give the <ref>store()</ref> method, but its final argument //! will be the RequestID object. { 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 //! Generic cache for storing away a persistent mapping of data to be //! refetched later by a short string key. This being a cache, your //! data may be thrown away at random when the cache is full. { static string name; static string path; static int is_db; static Sql.sql 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 = ([ ]); static 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 ) //! Instantiates an argument cache of your own. //! //! A value of 0 for the <tt>is_db</tt> parameter will make your //! argument cache store its data in the regular filesystem, in a //! directory <tt>name</tt> created at <tt>path</tt>. //! //! A value of 1 for the <tt>is_db</tt> parameter will make your //! argument cache store its data in a database, <tt>path</tt> being //! an <ref>SQL url</ref>, <tt>name</tt> being the name of the table //! in that database. { 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" ); Stdio.File test; if (!(test = open (path + "/.testfile", "wc"))) error ("Can't create files in the argument cache directory " + path + #if constant(strerror) " ("+strerror(errno())+ #endif "\n"); // else // { // rm (path + "/.testfile"); // It is better not to remove it, // this way permission problems are detected rather early. // } } } static string read_args( string id ) { if( is_db ) { array res = db->query("select contents from "+name+" where id='"+id+"'"); if( sizeof(res) ) { db->query("update "+name+" set atime='"+time(1)+"' where id='"+id+"'"); return res[0]->contents; } return 0; } else { Stdio.File f; if( search( id, "/" )<0 && (f = open(path+"/"+id, "r"))) return f->read(); } return 0; } string tohex( string what ) { return sprintf( "%x", Gmp.mpz( what, 256 ) ); } static string create_key( string long_key ) { if( is_db ) { array 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=tohex(Crypto.md5()->update(long_key)->digest()); _key = replace(_key-"=","/","="); string short_key = _key[0..1]; Stdio.File f; while( f = open( path+short_key, "r" ) ) { if( f->read() == long_key ) return short_key; short_key = _key[..strlen(short_key)]; if( strlen(short_key) >= strlen(_key) ) short_key += "."; // Not very likely... } f = open( path+short_key, "wct" ); f->write( long_key ); return short_key; } } int key_exists( string key ) //! Does the key 'key' exist in the cache? Returns 1 if it does, 0 //! if it was not present. { LOCK(); if( !is_db ) return !!open( path+key, "r" ); return !!read_args( key ); } string store( mapping args ) //! Store a mapping (of purely encode_value:able data) in the //! argument cache. The string returned is your key to retrieve the //! data later. { 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 ]; if( sizeof( cache ) >= CACHE_SIZE ) { array i = indices(cache); while( sizeof(cache) > CACHE_SIZE-CLEAN_SIZE ) { string idx=i[random(sizeof(i))]; if(arrayp(cache[idx])) { m_delete( cache, cache[idx][CACHE_SKEY] ); m_delete( cache, idx ); } else { m_delete( cache, cache[idx] ); m_delete( cache, idx ); } } } string id = create_key( data ); cache[ data ] = ({ 0, 0 }); cache[ data ][ CACHE_VALUE ] = copy_value( args ); cache[ data ][ CACHE_SKEY ] = id; cache[ id ] = data; return id; } mapping lookup( string id, array|void client ) //! Recall a mapping stored in the cache. The optional client array //! may be supplied to get an error message stating the browser name //! in the event of the key not being present any more in the cache. { LOCK(); if(cache[id] && cache[ cache[id] ] ) return cache[cache[id]][CACHE_VALUE]; string q = read_args( id ); if(!q) if( client ) error("Key does not exist! (Thinks "+ (client*"") +")\n"); else error("Requesting unknown key\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 ) //! Remove the data element stored under the key '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 r_rm( path+id ); } } mapping cached_decoders = ([]); string decode_charset( string charset, string data ) { // FIXME: This code is probably not thread-safe! if( charset == "iso-8859-1" ) return data; if( !cached_decoders[ charset ] ) cached_decoders[ charset ] = Locale.Charset.decoder( charset ); data = cached_decoders[ charset ]->feed( data )->drain(); cached_decoders[ charset ]->clear(); return data; } void create() { // Register localization projects #if constant(Locale.register_project) #define __REG_PROJ Locale.register_project #else /* !Locale.register_project */ #define __REG_PROJ RoxenLocale.register_project #endif /* Locale.register_project */ __REG_PROJ("roxen_start", "translations/%L/roxen_start.xml"); __REG_PROJ("roxen_config", "translations/%L/roxen_config.xml"); __REG_PROJ("roxen_message", "translations/%L/roxen_message.xml"); __REG_PROJ("admin_tasks", "translations/%L/admin_tasks.xml"); #undef __REG_PROJ define_global_variables(); // This is currently needed to resolve the circular references in // RXML.pmod correctly. :P master()->resolv ("RXML.refs"); master()->resolv ("RXML.PXml"); master()->resolv ("RXML.PEnt"); // Dump some programs (for speed) dump( "etc/roxen_master.pike" ); dump( "etc/modules/Dims.pmod" ); // dump( "etc/modules/RXML.pmod/module.pmod" ); foreach(({ "module.pmod","PEnt.pike", "PExpr.pike","PXml.pike", "refs.pmod","utils.pmod" }), string q ) dump( "etc/modules/RXML.pmod/"+ q ); dump( "etc/modules/Roxen.pmod" ); dump( "base_server/config_userdb.pike" ); dump( "base_server/disk_cache.pike" ); dump( "base_server/roxen.pike" ); dump( "base_server/roxenlib.pike" ); dump( "base_server/basic_defvar.pike" ); dump( "base_server/newdecode.pike" ); dump( "base_server/read_config.pike" ); dump( "base_server/global_variables.pike" ); dump( "base_server/module_support.pike" ); dump( "base_server/http.pike" ); dump( "base_server/socket.pike" ); dump( "base_server/cache.pike" ); dump( "base_server/supports.pike" ); dump( "base_server/hosts.pike"); dump( "base_server/language.pike"); #ifndef __NT__ if(!getuid()) add_constant("Privs", Privs); else #endif /* !__NT__ */ add_constant("Privs", class { void create(string reason, int|string|void uid, int|string|void gid) {} }); // for module encoding stuff add_constant( "ArgCache", ArgCache ); //add_constant( "roxen.load_image", load_image ); add_constant( "roxen", this_object()); //add_constant( "roxen.decode_charset", decode_charset); add_constant( "RoxenModule", RoxenModule); add_constant( "ModuleInfo", ModuleInfo ); add_constant( "load", load); add_constant( "Roxen.set_locale", set_locale ); add_constant( "roxen.locale", locale ); //add_constant( "roxen.ImageCache", ImageCache ); // int s = gethrtime(); Configuration = (program)"configuration"; dump( "base_server/configuration.pike" ); dump( "base_server/rxmlhelp.pike" ); add_constant( "Configuration", Configuration ); // report_debug( "[Configuration: %.2fms] ", (gethrtime()-s)/1000.0); } int set_u_and_gid() //! 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). { #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(LOC_M(24, "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(LOC_M(25, "Failed to set gid.")+"\n"); g = 0; } # else report_warning(LOC_M(26, "Setting gid not supported on this system.") +"\n"); g = 0; # endif } setuid(uid); if (getuid() != uid) { report_error(LOC_M(27, "Failed to set uid.")+"\n"); u = 0; } if (u) report_notice(CALL_M("setting_uid_gid_permanently", "eng") (uid, gid, u, g)); #else report_warning(LOC_M(28, "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(LOC_M(29, "Failed to set effective gid.")+"\n"); g = 0; } # else report_warning(LOC_M(30, "Setting effective gid not supported on " "this system.")+"\n"); g = 0; # endif } seteuid(uid); if (geteuid() != uid) { report_error(LOC_M(31, "Failed to set effective uid.")+"\n"); u = 0; } if (u) report_notice(CALL_M("setting_uid_gid", "eng")(uid, gid, u, g)); #else report_warning(LOC_M(32, "Setting effective uid not supported on " "this system.")+"\n"); u = g = 0; #endif } return !!u; } } #endif return 0; } void reload_all_configurations() { object conf; array (object) new_confs = ({}); mapping config_cache = ([]); int modified; setvars(retrieve("Variables", 0)); foreach(list_all_configurations(), string config) { mixed err; Stat st; conf = find_configuration( config ); 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) { conf->stop(); conf->invalidate_cache(); conf->create(conf->name); } else { if(err = catch { conf = enable_configuration(config); }) { string bt=describe_backtrace(err); report_error(LOC_M(33, "Error while enabling configuration %s%s"), config, (bt ? ":\n"+bt : "\n")); continue; } } if(err = catch { conf->start(); conf->enable_all_modules(); }) { string bt=describe_backtrace(err); report_error(LOC_M(33, "Error while enabling configuration %s%s"), config, (bt ? ":\n"+bt : "\n" )); continue; } new_confs += ({ conf }); } foreach(configurations - new_confs, conf) { modified = 1; report_notice(LOC_M(34,"Disabling old configuration %s")+"\n", conf->name); // Array.map(values(conf->server_ports), lambda(object o) { destruct(o); }); conf->stop(); destruct(conf); } if(modified) { configurations = new_confs; fix_config_lookup(); config_stat_cache = config_cache; } } private mapping(string:object/*(Configuration)*/) config_lookup = ([]); // Maps config name to config object. void fix_config_lookup() { config_lookup = mkmapping (configurations->name, configurations); #ifdef DEBUG if (sizeof (configurations) != sizeof (config_lookup)) error ("Duplicate configuration names in configurations array: %O", configurations->name); #endif } object/*(Configuration)*/ get_configuration (string name) //! Gets the configuration with the given identifier name. { #ifdef DEBUG if (sizeof (configurations) != sizeof (config_lookup)) error ("config_lookup out of synch with configurations.\n"); #endif return config_lookup[name]; } object/*(Configuration)*/ enable_configuration(string name) { #ifdef DEBUG if (get_configuration (name)) error ("A configuration called %O already exists.\n", name); #endif object cf = Configuration( name ); configurations += ({ cf }); fix_config_lookup(); return cf; } void disable_configuration (string name) { if (object conf = config_lookup[ name ]) { configurations -= ({conf}); fix_config_lookup(); } } void remove_configuration (string name) { disable_configuration (name); ::remove_configuration (name); } // Enable all configurations void enable_configurations() { array err; configurations = ({}); config_lookup = ([]); foreach(list_all_configurations(), string config) { int t = gethrtime(); report_debug("\nEnabling the configuration %s ...\n", config); if(err=catch( enable_configuration(config)->start() )) report_error("\n"+LOC_M(35, "Error while loading configuration %s%s"), config+":\n", describe_backtrace(err)+"\n"); report_debug("Enabled %s in %.1fms\n", config, (gethrtime()-t)/1000.0 ); } foreach( configurations, object c ) { if(sizeof( c->registered_urls ) ) return; } report_fatal("No configurations could open any ports. Will shutdown.\n"); shutdown(); } int all_modules_loaded; void enable_configurations_modules() { if( all_modules_loaded++ ) return; foreach(configurations, object config) if(mixed err=catch( config->enable_all_modules() )) report_error(LOC_M(36, "Error while loading modules in " "configuration %s%s"), config->name+":\n", describe_backtrace(err)+"\n"); } mapping low_decode_image(string data, void|mixed tocolor) { mapping w = Image._decode( data, tocolor ); if( w->image ) return w; // object ob; // mixed e = // catch // { // if( ob = Image.ANY.decode( data ) ) // return ([ "img":ob, "image":ob ]); // }; return 0; } array(Image.Layer) decode_layers(string data, void|mixed tocolor) { return Image.decode_layers( data, tocolor ); } mapping low_load_image(string f, RequestID id) { string data; Stdio.File file; 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())) #ifdef THREADS catch { string host = ""; sscanf( f, "http://%[^/]", host ); if( sscanf( host, "%*s:%*d" ) != 2) host += ":80"; mapping hd = ([ "User-Agent":version(), "Host":host, ]); data = Protocols.HTTP.get_url_data( f, 0, hd ); }; #endif if( !data ) return 0; } } id->misc->_load_image_called = 0; if(!data) return 0; return low_decode_image( data ); } array(Image.Layer) load_layers(string f, RequestID id) { string data; Stdio.File file; 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())) catch { data = Protocols.HTTP.get_url_nice( f )[1]; }; if( !data ) return 0; } } id->misc->_load_image_called = 0; if(!data) return 0; return decode_layers( data ); } Image.Image load_image(string f, RequestID id) { mapping q = low_load_image( f, id ); if( q ) return q->img; return 0; } // 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()) { report_debug("It is impossible to chroot() if the server is not run as root.\n"); return; } if(!chroot(to)) { report_debug("Roxen: Cannot chroot to "+to+": "); #if efun(real_perror) real_perror(); #endif return; } report_debug("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() })); r_rm(where); if(catch(Stdio.write_file(where, sprintf("%d\n%d", getpid(), getppid())))) report_debug("I cannot create the pid file ("+where+").\n"); #endif } program pipe; object shuffle(object from, object to, object|void to2, function(:void)|void callback) { #if efun(spider.shuffle) if(!to2) { if(!pipe) pipe = ((program)"smartpipe"); 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() { report_debug("Interrupt request received. Exiting,\n"); die_die_die=1; if(++_recurse > 4) { report_debug("Exiting roxen (spurious signals received).\n"); configurations->stop(); #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ exit(-1); // Restart. } report_debug("Exiting roxen.\n"); configurations->stop(); #ifdef THREADS stop_handler_threads(); #endif /* THREADS */ exit(-1); // Restart. } void exit_it() { report_debug("Recursive signals.\n"); exit(-1); // Restart. } // Dump all threads to the debug log. void describe_all_threads() { array(mixed) all_backtraces; #if constant(all_threads) all_backtraces = all_threads()->backtrace(); #else /* !constant(all_threads) */ all_backtraces = ({ backtrace() }); #endif /* constant(all_threads) */ report_debug("Describing all threads:\n"); int i; for(i=0; i < sizeof(all_backtraces); i++) { report_debug("Thread %d:\n" "%s\n", i+1, describe_backtrace(all_backtraces[i])); } } void dump( string file ) { if( file[0] != '/' ) file = getcwd() +"/"+ file; #ifdef __NT__ file = normalize_path( file ); #endif program p = master()->programs[ replace(file, "//", "/" ) ]; #ifdef __NT__ if( !p ) { if( sscanf( file, "%*s:/%s", file ) ) { file = "/"+file; p = master()->programs[ replace(file, "//", "/" ) ]; } } #endif array q; if(!p) { #ifdef DUMP_DEBUG werror(file+" not loaded, and thus cannot be dumped.\n"); #endif return; } string ofile = master()->make_ofilename( replace(file, "//", "/") ); if(!file_stat( ofile ) || (file_stat( ofile )[ ST_MTIME ] < file_stat(file)[ ST_MTIME ])) { if(q=catch( master()->dump_program( replace(file, "//", "/"), p ) ) ) { #ifdef DUMP_DEBUG report_debug("** Cannot encode "+file+": "+describe_backtrace(q)+"\n"); #else // array parts = replace(file, "//", "/") / "/"; // if (sizeof(parts) > 3) parts = parts[sizeof(parts)-3..]; // report_debug("Dumping failed for " + parts*"/" + "\n"); #endif } #ifdef DUMP_DEBUG else werror( file+" dumped successfully to "+ofile+"\n" ); #endif } #ifdef DUMP_DEBUG else werror(file+" already dumped (and up to date)\n"); #endif } program slowpipe, fastpipe; void initiate_argcache() { int t = gethrtime(); report_debug( "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_fatal( "Failed to initialize the global argument cache:\n" + (describe_backtrace( e )/"\n")[0]+"\n"); sleep(10); exit(1); } add_constant( "roxen.argcache", argcache ); report_debug("Done [%.2fms]\n", (gethrtime()-t)/1000.0); } int main(int argc, array tmp) { array argv = tmp; tmp = 0; slowpipe = ((program)"slowpipe"); fastpipe = ((program)"fastpipe"); call_out( lambda() { (program)"module"; dump( "protocols/http.pike"); dump( "protocols/ftp.pike"); dump( "protocols/https.pike"); dump( "base_server/state.pike" ); dump( "base_server/highlight_pike.pike"); dump( "base_server/wizard.pike" ); dump( "base_server/proxyauth.pike" ); dump( "base_server/html.pike" ); dump( "base_server/module.pike" ); dump( "base_server/throttler.pike" ); dump( "base_server/smartpipe.pike" ); dump( "base_server/slowpipe.pike" ); dump( "base_server/fastpipe.pike" ); dump( "languages/abstract.pike" ); }, 9); 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 += "/"; restore_global_variables(); // restore settings... // Dangerous... mixed tmp; if(tmp = Getopt.find_option(argv, "r", "root")) fix_root(tmp); argv -= ({ 0 }); argc = sizeof(argv); add_constant( "roxen.fonts", (fonts = ((program)"base_server/fonts.pike")()) ); dump( "base_server/fonts.pike" ); initiate_languages(query("locale")); set_locale(); #if efun(syslog) init_logger(); #endif init_garber(); initiate_supports(); initiate_argcache(); init_configuserdb(); enable_configurations(); set_u_and_gid(); // Running with the right [e]uid:[e]gid from this point on. create_pid_file(Getopt.find_option(argv, "p", "pid-file", "ROXEN_PID_FILE") || QUERY(pidfile)); if( Getopt.find_option( argv, 0, "no-delayed-load" ) ) enable_configurations_modules(); else foreach( configurations, object c ) if( c->query( "no_delayed_load" ) ) c->enable_all_modules(); #ifdef THREADS start_handler_threads(); catch( this_thread()->set_name("Backend") ); backend_thread = this_thread(); #endif /* THREADS */ // Signals which cause a restart (exitcode != 0) foreach( ({ "SIGINT", "SIGTERM" }), string sig) catch( signal(signum(sig), exit_when_done) ); catch( signal(signum("SIGHUP"), reload_all_configurations) ); // Signals which cause Roxen to dump the thread state foreach( ({ "SIGUSR1", "SIGUSR2", "SIGTRAP" }), string sig) catch( signal(signum(sig), describe_all_threads) ); #ifdef __RUN_TRACE trace(1); #endif start_time=time(); // Used by the "uptime" info later on. if (QUERY(suicide_engage)) call_out (restart,60*60*24*QUERY(suicide_timeout)); #ifndef __NT__ restart_if_stuck( 0 ); #endif return -1; } // Called from the administration interface. string check_variable(string name, mixed value) { switch(name) { #ifndef __NT__ case "abs_engage": if (value) restart_if_stuck(1); else remove_call_out(restart_if_stuck); break; #endif case "suicide_engage": if (value) call_out(restart,60*60*24*QUERY(suicide_timeout)); else remove_call_out(restart); break; case "locale": if(value = verify_locale(value)) { if(value==default_locale) break; // No change default_locale = value; set_locale(); // Show Globals in the new locale } else { return sprintf("No such locale: %O\n", value); } break; } } int is_ip(string s) { return (sscanf(s,"%*d.%*d.%*d.%*d")==4 && s[-1]>47 && s[-1]<58); } static string _sprintf( ) { return "roxen"; } // Support for logging in configurations and modules. class LogFormat { static string host_ip_to_int(string s) { int a, b, c, d; sscanf(s, "%d.%d.%d.%d", a, b, c, d); return sprintf("%c%c%c%c",a, b, c, d); } static string extract_user(string from) { array tmp; if (!from || sizeof(tmp = from/":")<2) return "-"; return tmp[0]; // username only, no password } void log( function do_write, RequestID id, mapping file ); static void do_async_write( string host, string data, string ip, function c ) { if( c ) c( replace( data, "\4711", (host||ip) ) ); } } static mapping(string:function) compiled_formats = ([ ]); constant formats = ({ ({ "ip_number", "%s", "(string)request_id->remoteaddr",0 }), ({ "bin-ip_number","%s", "host_ip_to_int(request_id->remoteaddr)",0 }), ({ "cern_date", "%s", "Roxen.cern_http_date( time( 1 ) )",0 }), ({ "bin-date", "%4c", "time(1)",0 }), ({ "method", "%s", "(string)request_id->method",0 }), ({ "resource", "%s", "(string)(request_id->raw_url||request_id->not_query)", 0 }), ({ "full_resource","%s", "(string)(request_id->raw_url||request_id->not_query)",0 }), ({ "protocol", "%s", "(string)request_id->prot",0 }), ({ "response", "%d", "(int)(file->error || 200)",0 }), ({ "bin-response","%2c", "(int)(file->error || 200)",0 }), ({ "length", "%d", "(int)file->len",0 }), ({ "bin-length", "%4c", "(int)file->len",0 }), ({ "referer", "%s", "sizeof(request_id->referer||({}))?request_id->referer[0]:\"\"", 0 }), ({ "user_agent", "%s", "request_id->client?request_id->client*\" \":\"-\"", 0 }), ({ "user", "%s", "extract_user( request_id->realauth )",0 }), ({ "user_id", "%s", "request_id->cookies->RoxenUserID||\"0\"",0 }), ({ "request-time","%1.2f" "time(request_id->time )",0 }), ({ "host", "\4711", 0, 1 }), // unlikely to occur normally }); void run_log_format( string fmt, function c, RequestID id, mapping file ) { (compiled_formats[ fmt ] || compile_log_format( fmt ))(c,id,file); } function compile_log_format( string fmt ) { if( compiled_formats[ fmt ] ) return compiled_formats[ fmt ]; array parts = fmt/"$"; string format = parts[0]; array args = ({}); int do_it_async = 0; int add_nl = 1; string sr( string s ) { return s[1..strlen(s)-2]; }; // sr(replace(sprintf("%O", X), "%", "%%")) #define DO_ES(X) replace(X, ({"\\n", "\\r", "\\t", }), ({ "\n", "\r", "\t" }) ) foreach( parts[1..], string part ) { int c, processed; foreach( formats, array q ) if( part[..strlen(q[0])-1] == q[0]) { format += q[1] + DO_ES(part[ strlen(q[0]) .. ]); if( q[2] ) args += ({ q[2] }); if( q[3] ) do_it_async = 1; processed=1; break; } if( processed ) continue; if( sscanf( part, "char(%d)%s", c, part ) ) format += sprintf( "%"+(c<0?"-":"")+"c", abs( c ) )+DO_ES(part); else if( sscanf( part, "wchar(%d)%s", c, part ) ) format += sprintf( "%"+(c<0?"-":"")+"2c", abs( c ) )+DO_ES(part); else if( sscanf( part, "int(%d)%s", c, part ) ) format += sprintf( "%"+(c<0?"-":"")+"4c", abs( c ) )+DO_ES(part); else if( part[0] == '^' ) { format += DO_ES(part[1..]); add_nl = 0; } else format += "$"+part; } if( add_nl ) format += "\n"; // werror("Format = %O args = %{%O,%} async = %d\n", format, args, do_it_async ); add_constant( "___LogFormat", LogFormat ); string code = sprintf( #" inherit ___LogFormat; void log( function callback, object request_id, mapping file ) { if(!callback) return; string data = sprintf( %O %{, %s%} ); ", format, args ); if( do_it_async ) { code += #" roxen.ip_to_host(request_id->remoteaddr,do_async_write, data, request_id->remoteaddr, callback ); } "; } else code += #" callback( data ); } "; return compiled_formats[ fmt ] = compile_string( code )()->log; } static string cached_hostname = gethostname(); class LogFile { Stdio.File fd; int opened; string fname; void do_open() { mixed parent; if (catch { parent = function_object(object_program(this_object())); } || !parent) { // Our parent (aka the configuration) has been destructed. // Time to die. remove_call_out(do_open); remove_call_out(do_close); destruct(); return; } string ff = fname; mapping m = localtime(time(1)); m->year += 1900; // Adjust for years being counted since 1900 m->mon++; // Adjust for months being counted 0-11 if(m->mon < 10) m->mon = "0"+m->mon; if(m->mday < 10) m->mday = "0"+m->mday; if(m->hour < 10) m->hour = "0"+m->hour; ff = replace(fname,({"%d","%m","%y","%h", "%H" }), ({ (string)m->mday, (string)(m->mon), (string)(m->year),(string)m->hour, cached_hostname, })); mkdirhier( ff ); fd = open( ff, "wac" ); if(!fd) { remove_call_out( do_open ); call_out( do_open, 120 ); report_error(LOC_M(37, "Failed to open logfile")+" "+fname+" " #if constant(strerror) "(" + strerror(errno()) + ")" #endif "\n"); return; } opened = 1; remove_call_out( do_open ); call_out( do_open, 900 ); } void do_close() { destruct( fd ); opened = 0; } array(string) write_buf = ({}); static void do_the_write( ) { if( !opened ) do_open(); if( !opened ) return 0; fd->write( write_buf ); write_buf = ({}); remove_call_out( do_close ); call_out( do_close, 10.0 ); } int write( string what ) { if( !sizeof( write_buf ) ) call_out( do_the_write, 1 ); write_buf += ({what}); return strlen(what); } static void create( string f ) { fname = f; opened = 0; } }

Roxen.git/ server/ base_server/ roxen.pike > ef7223098ba2648650253b146e3bbc68b810bc13 [Annotate]