An open and free bittorrent tracker https://erdgeist.org/gitweb/opentracker
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

630 lines
23 KiB

/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
It is considered beerware. Prost. Skol. Cheers or whatever.
14 years ago
$id$ */
/* System */
#include <sys/types.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
/* Libowfat */
#include "byte.h"
#include "array.h"
#include "iob.h"
14 years ago
#include "ip6.h"
#include "scan.h"
#include "case.h"
/* Opentracker */
#include "trackerlogic.h"
#include "ot_mutex.h"
#include "ot_http.h"
#include "ot_iovec.h"
#include "scan_urlencoded_query.h"
#include "ot_fullscrape.h"
#include "ot_stats.h"
#include "ot_accesslist.h"
#define OT_MAXMULTISCRAPE_COUNT 64
extern char *g_redirecturl;
char *g_stats_path;
ssize_t g_stats_path_len;
enum {
SUCCESS_HTTP_HEADER_LENGTH = 80,
SUCCESS_HTTP_HEADER_LENGTH_CONTENT_ENCODING = 32,
SUCCESS_HTTP_SIZE_OFF = 17 };
static void http_senddata( const int64 sock, struct ot_workstruct *ws ) {
struct http_data *cookie = io_getcookie( sock );
ssize_t written_size;
if( !cookie ) { io_close(sock); return; }
12 years ago
/* whoever sends data is not interested in its input-array */
if( ws->keep_alive && ws->header_size != ws->request_size ) {
size_t rest = ws->request_size - ws->header_size;
if( array_start(&cookie->request) ) {
memmove( array_start(&cookie->request), ws->request + ws->header_size, rest );
array_truncate( &cookie->request, 1, rest );
} else
array_catb(&cookie->request, ws->request + ws->header_size, rest );
12 years ago
} else
array_reset( &cookie->request );
written_size = write( sock, ws->reply, ws->reply_size );
if( ( written_size < 0 ) || ( ( written_size == ws->reply_size ) && !ws->keep_alive ) ) {
array_reset( &cookie->request );
free( cookie ); io_close( sock ); return;
}
if( written_size < ws->reply_size ) {
char * outbuf;
tai6464 t;
if( !( outbuf = malloc( ws->reply_size - written_size ) ) ) {
free(cookie); io_close( sock );
return;
}
14 years ago
memcpy( outbuf, ws->reply + written_size, ws->reply_size - written_size );
iob_addbuf_free( &cookie->batch, outbuf, ws->reply_size - written_size );
/* writeable short data sockets just have a tcp timeout */
if( !ws->keep_alive ) {
taia_uint( &t, 0 ); io_timeout( sock, t );
io_dontwantread( sock );
}
io_wantwrite( sock );
}
}
#define HTTPERROR_302 return http_issue_error( sock, ws, CODE_HTTPERROR_302 )
#define HTTPERROR_400 return http_issue_error( sock, ws, CODE_HTTPERROR_400 )
#define HTTPERROR_400_PARAM return http_issue_error( sock, ws, CODE_HTTPERROR_400_PARAM )
#define HTTPERROR_400_COMPACT return http_issue_error( sock, ws, CODE_HTTPERROR_400_COMPACT )
#define HTTPERROR_400_DOUBLEHASH return http_issue_error( sock, ws, CODE_HTTPERROR_400_PARAM )
#define HTTPERROR_402_NOTMODEST return http_issue_error( sock, ws, CODE_HTTPERROR_402_NOTMODEST )
#define HTTPERROR_403_IP return http_issue_error( sock, ws, CODE_HTTPERROR_403_IP )
#define HTTPERROR_404 return http_issue_error( sock, ws, CODE_HTTPERROR_404 )
#define HTTPERROR_500 return http_issue_error( sock, ws, CODE_HTTPERROR_500 )
ssize_t http_issue_error( const int64 sock, struct ot_workstruct *ws, int code ) {
char *error_code[] = { "302 Found", "400 Invalid Request", "400 Invalid Request", "400 Invalid Request", "402 Payment Required",
"403 Not Modest", "403 Access Denied", "404 Not Found", "500 Internal Server Error" };
char *title = error_code[code];
ws->reply = ws->outbuf;
if( code == CODE_HTTPERROR_302 )
14 years ago
ws->reply_size = snprintf( ws->reply, G_OUTBUF_SIZE, "HTTP/1.0 302 Found\r\nContent-Length: 0\r\nLocation: %s\r\n\r\n", g_redirecturl );
else
ws->reply_size = snprintf( ws->reply, G_OUTBUF_SIZE, "HTTP/1.0 %s\r\nContent-Type: text/html\r\nContent-Length: %zd\r\n\r\n<title>%s</title>\n", title, strlen(title)+16-4,title+4);
#ifdef _DEBUG_HTTPERROR
fprintf( stderr, "DEBUG: invalid request was: %s\n", ws->debugbuf );
#endif
stats_issue_event( EVENT_FAILED, FLAG_TCP, code );
http_senddata( sock, ws );
return ws->reply_size = -2;
}
ssize_t http_sendiovecdata( const int64 sock, struct ot_workstruct *ws, int iovec_entries, struct iovec *iovector ) {
struct http_data *cookie = io_getcookie( sock );
char *header;
int i;
size_t header_size, size = iovec_length( &iovec_entries, &iovector );
tai6464 t;
/* No cookie? Bad socket. Leave. */
if( !cookie ) {
iovec_free( &iovec_entries, &iovector );
HTTPERROR_500;
}
/* If this socket collected request in a buffer, free it now */
array_reset( &cookie->request );
/* If we came here, wait for the answer is over */
cookie->flag &= ~STRUCT_HTTP_FLAG_WAITINGFORTASK;
/* Our answers never are 0 vectors. Return an error. */
if( !iovec_entries ) {
HTTPERROR_500;
}
/* Prepare space for http header */
header = malloc( SUCCESS_HTTP_HEADER_LENGTH + SUCCESS_HTTP_HEADER_LENGTH_CONTENT_ENCODING );
if( !header ) {
iovec_free( &iovec_entries, &iovector );
HTTPERROR_500;
}
if( cookie->flag & STRUCT_HTTP_FLAG_GZIP )
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Encoding: gzip\r\nContent-Length: %zd\r\n\r\n", size );
else if( cookie->flag & STRUCT_HTTP_FLAG_BZIP2 )
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Encoding: bzip2\r\nContent-Length: %zd\r\n\r\n", size );
else
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Length: %zd\r\n\r\n", size );
iob_reset( &cookie->batch );
iob_addbuf_free( &cookie->batch, header, header_size );
/* Will move to ot_iovec.c */
for( i=0; i<iovec_entries; ++i )
iob_addbuf_munmap( &cookie->batch, iovector[i].iov_base, iovector[i].iov_len );
free( iovector );
/* writeable sockets timeout after 10 minutes */
taia_now( &t ); taia_addsec( &t, &t, OT_CLIENT_TIMEOUT_SEND );
io_timeout( sock, t );
io_dontwantread( sock );
io_wantwrite( sock );
return 0;
}
static ssize_t http_handle_stats( const int64 sock, struct ot_workstruct *ws, char *read_ptr ) {
static const ot_keywords keywords_main[] =
{ { "mode", 1 }, {"format", 2 }, { NULL, -3 } };
static const ot_keywords keywords_mode[] =
{ { "peer", TASK_STATS_PEERS }, { "conn", TASK_STATS_CONNS }, { "scrp", TASK_STATS_SCRAPE }, { "udp4", TASK_STATS_UDP }, { "tcp4", TASK_STATS_TCP },
{ "busy", TASK_STATS_BUSY_NETWORKS }, { "torr", TASK_STATS_TORRENTS }, { "fscr", TASK_STATS_FULLSCRAPE },
{ "s24s", TASK_STATS_SLASH24S }, { "tpbs", TASK_STATS_TPB }, { "herr", TASK_STATS_HTTPERRORS }, { "completed", TASK_STATS_COMPLETED },
{ "top10", TASK_STATS_TOP10 }, { "renew", TASK_STATS_RENEW }, { "syncs", TASK_STATS_SYNCS }, { "version", TASK_STATS_VERSION },
{ "everything", TASK_STATS_EVERYTHING }, { "statedump", TASK_FULLSCRAPE_TRACKERSTATE }, { "fulllog", TASK_STATS_FULLLOG },
{ "woodpeckers", TASK_STATS_WOODPECKERS},
#ifdef WANT_LOG_NUMWANT
{ "numwants", TASK_STATS_NUMWANTS},
#endif
{ NULL, -3 } };
static const ot_keywords keywords_format[] =
{ { "bin", TASK_FULLSCRAPE_TPB_BINARY }, { "ben", TASK_FULLSCRAPE }, { "url", TASK_FULLSCRAPE_TPB_URLENCODED },
{ "txt", TASK_FULLSCRAPE_TPB_ASCII }, { NULL, -3 } };
int mode = TASK_STATS_PEERS, scanon = 1, format = 0;
#ifdef WANT_RESTRICT_STATS
struct http_data *cookie = io_getcookie( sock );
if( !cookie || !accesslist_isblessed( cookie->ip, OT_PERMISSION_MAY_STAT ) )
HTTPERROR_403_IP;
#endif
while( scanon ) {
switch( scan_find_keywords( keywords_main, &read_ptr, SCAN_SEARCHPATH_PARAM ) ) {
case -2: scanon = 0; break; /* TERMINATOR */
case -1: HTTPERROR_400_PARAM; /* PARSE ERROR */
case -3: scan_urlencoded_skipvalue( &read_ptr ); break;
case 1: /* matched "mode" */
if( ( mode = scan_find_keywords( keywords_mode, &read_ptr, SCAN_SEARCHPATH_VALUE ) ) <= 0 ) HTTPERROR_400_PARAM;
break;
case 2: /* matched "format" */
if( ( format = scan_find_keywords( keywords_format, &read_ptr, SCAN_SEARCHPATH_VALUE ) ) <= 0 ) HTTPERROR_400_PARAM;
break;
}
}
#ifdef WANT_FULLSCRAPE
if( mode == TASK_FULLSCRAPE_TRACKERSTATE ) {
format = mode; mode = TASK_STATS_TPB;
}
if( mode == TASK_STATS_TPB ) {
struct http_data* cookie = io_getcookie( sock );
tai6464 t;
#ifdef WANT_COMPRESSION_GZIP
ws->request[ws->request_size] = 0;
if( strstr( read_ptr - 1, "gzip" ) ) {
cookie->flag |= STRUCT_HTTP_FLAG_GZIP;
format |= TASK_FLAG_GZIP;
}
#endif
/* Pass this task to the worker thread */
cookie->flag |= STRUCT_HTTP_FLAG_WAITINGFORTASK;
/* Clients waiting for us should not easily timeout */
taia_uint( &t, 0 ); io_timeout( sock, t );
fullscrape_deliver( sock, format );
io_dontwantread( sock );
return ws->reply_size = -2;
}
#endif
/* default format for now */
if( ( mode & TASK_CLASS_MASK ) == TASK_STATS ) {
tai6464 t;
/* Complex stats also include expensive memory debugging tools */
taia_uint( &t, 0 ); io_timeout( sock, t );
stats_deliver( sock, mode );
return ws->reply_size = -2;
}
14 years ago
/* Simple stats can be answerred immediately */
return ws->reply_size = return_stats_for_tracker( ws->reply, mode, 0 );
}
#ifdef WANT_MODEST_FULLSCRAPES
static pthread_mutex_t g_modest_fullscrape_mutex = PTHREAD_MUTEX_INITIALIZER;
static ot_vector g_modest_fullscrape_timeouts;
typedef struct { ot_ip6 ip; ot_time last_fullscrape; } ot_scrape_log;
#endif
#ifdef WANT_FULLSCRAPE
static ssize_t http_handle_fullscrape( const int64 sock, struct ot_workstruct *ws ) {
struct http_data* cookie = io_getcookie( sock );
int format = 0;
tai6464 t;
#ifdef WANT_MODEST_FULLSCRAPES
{
ot_scrape_log this_peer, *new_peer;
int exactmatch;
memcpy( this_peer.ip, cookie->ip, sizeof(ot_ip6));
this_peer.last_fullscrape = g_now_seconds;
pthread_mutex_lock(&g_modest_fullscrape_mutex);
new_peer = vector_find_or_insert( &g_modest_fullscrape_timeouts, &this_peer, sizeof(ot_scrape_log), sizeof(ot_ip6), &exactmatch );
if( !new_peer ) {
pthread_mutex_unlock(&g_modest_fullscrape_mutex);
HTTPERROR_500;
}
if( exactmatch && ( this_peer.last_fullscrape - new_peer->last_fullscrape ) < OT_MODEST_PEER_TIMEOUT ) {
pthread_mutex_unlock(&g_modest_fullscrape_mutex);
HTTPERROR_402_NOTMODEST;
}
memcpy( new_peer, &this_peer, sizeof(ot_scrape_log));
pthread_mutex_unlock(&g_modest_fullscrape_mutex);
}
#endif
#ifdef WANT_COMPRESSION_GZIP
ws->request[ws->request_size-1] = 0;
if( strstr( ws->request, "gzip" ) ) {
cookie->flag |= STRUCT_HTTP_FLAG_GZIP;
format = TASK_FLAG_GZIP;
stats_issue_event( EVENT_FULLSCRAPE_REQUEST_GZIP, 0, (uintptr_t)cookie->ip );
} else
#endif
stats_issue_event( EVENT_FULLSCRAPE_REQUEST, 0, (uintptr_t)cookie->ip );
#ifdef _DEBUG_HTTPERROR
fprintf( stderr, "%s", ws->debugbuf );
#endif
/* Pass this task to the worker thread */
cookie->flag |= STRUCT_HTTP_FLAG_WAITINGFORTASK;
/* Clients waiting for us should not easily timeout */
taia_uint( &t, 0 ); io_timeout( sock, t );
fullscrape_deliver( sock, TASK_FULLSCRAPE | format );
io_dontwantread( sock );
return ws->reply_size = -2;
}
#endif
14 years ago
static ssize_t http_handle_scrape( const int64 sock, struct ot_workstruct *ws, char *read_ptr ) {
static const ot_keywords keywords_scrape[] = { { "info_hash", 1 }, { NULL, -3 } };
ot_hash * multiscrape_buf = (ot_hash*)ws->request;
int scanon = 1, numwant = 0;
/* This is to hack around stupid clients that send "scrape ?info_hash" */
if( read_ptr[-1] != '?' ) {
while( ( *read_ptr != '?' ) && ( *read_ptr != '\n' ) ) ++read_ptr;
if( *read_ptr == '\n' ) HTTPERROR_400_PARAM;
++read_ptr;
}
while( scanon ) {
switch( scan_find_keywords( keywords_scrape, &read_ptr, SCAN_SEARCHPATH_PARAM ) ) {
case -2: scanon = 0; break; /* TERMINATOR */
default: HTTPERROR_400_PARAM; /* PARSE ERROR */
case -3: scan_urlencoded_skipvalue( &read_ptr ); break;
case 1: /* matched "info_hash" */
/* ignore this, when we have less than 20 bytes */
if( scan_urlencoded_query( &read_ptr, (char*)(multiscrape_buf + numwant++), SCAN_SEARCHPATH_VALUE ) != (ssize_t)sizeof(ot_hash) )
HTTPERROR_400_PARAM;
break;
}
}
/* No info_hash found? Inform user */
if( !numwant ) HTTPERROR_400_PARAM;
/* Limit number of hashes to process */
if( numwant > OT_MAXMULTISCRAPE_COUNT )
numwant = OT_MAXMULTISCRAPE_COUNT;
/* Enough for http header + whole scrape string */
ws->reply_size = return_tcp_scrape_for_torrent( multiscrape_buf, numwant, ws->reply );
stats_issue_event( EVENT_SCRAPE, FLAG_TCP, ws->reply_size );
return ws->reply_size;
}
#ifdef WANT_LOG_NUMWANT
unsigned long long numwants[201];
#endif
#if defined( WANT_KEEPALIVE ) || defined( WANT_IP_FROM_PROXY )
static char* http_header( char *data, size_t byte_count, char *header ) {
size_t i;
long sl = strlen( header );
for( i = 0; i + sl + 2 < byte_count; ++i ) {
if( data[i] != '\n' || data[ i + sl + 1] != ':' ) continue;
if( !case_equalb( data + i + 1, sl, header ) ) continue;
data += i + sl + 2;
while( *data == ' ' || *data == '\t' ) ++data;
return data;
}
return 0;
}
#endif
static ot_keywords keywords_announce[] = { { "port", 1 }, { "left", 2 }, { "event", 3 }, { "numwant", 4 }, { "compact", 5 }, { "compact6", 5 }, { "info_hash", 6 },
#ifdef WANT_IP_FROM_QUERY_STRING
{ "ip", 7 },
#endif
#ifdef WANT_FULLLOG_NETWORKS
{ "lognet", 8 },
#endif
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
{ "peer_id", 9 },
{ NULL, -3 } };
static ot_keywords keywords_announce_event[] = { { "completed", 1 }, { "stopped", 2 }, { NULL, -3 } };
static ssize_t http_handle_announce( const int64 sock, struct ot_workstruct *ws, char *read_ptr ) {
int numwant, tmp, scanon;
unsigned short port = 0;
char *write_ptr;
ssize_t len;
struct http_data *cookie = io_getcookie( sock );
/* This is to hack around stupid clients that send "announce ?info_hash" */
if( read_ptr[-1] != '?' ) {
while( ( *read_ptr != '?' ) && ( *read_ptr != '\n' ) ) ++read_ptr;
if( *read_ptr == '\n' ) HTTPERROR_400_PARAM;
++read_ptr;
}
#ifdef WANT_IP_FROM_PROXY
if( accesslist_isblessed( cookie->ip, OT_PERMISSION_MAY_PROXY ) ) {
ot_ip6 proxied_ip;
char *fwd = http_header( ws->request, ws->header_size, "x-forwarded-for" );
if( fwd && scan_ip6( fwd, proxied_ip ) )
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
OT_SETIP( &ws->peer, proxied_ip );
else
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
OT_SETIP( &ws->peer, cookie->ip );
} else
#endif
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
ws->peer_id = NULL;
ws->hash = NULL;
OT_SETIP( &ws->peer, cookie->ip );
OT_SETPORT( &ws->peer, &port );
OT_PEERFLAG( &ws->peer ) = 0;
numwant = 50;
scanon = 1;
while( scanon ) {
switch( scan_find_keywords(keywords_announce, &read_ptr, SCAN_SEARCHPATH_PARAM ) ) {
case -2: scanon = 0; break; /* TERMINATOR */
case -1: HTTPERROR_400_PARAM; /* PARSE ERROR */
case -3: scan_urlencoded_skipvalue( &read_ptr ); break;
case 1: /* matched "port" */
len = scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE );
if( ( len <= 0 ) || scan_fixed_int( write_ptr, len, &tmp ) || ( tmp > 0xffff ) ) HTTPERROR_400_PARAM;
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
port = htons( tmp ); OT_SETPORT( &ws->peer, &port );
break;
case 2: /* matched "left" */
if( ( len = scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE ) ) <= 0 ) HTTPERROR_400_PARAM;
if( scan_fixed_int( write_ptr, len, &tmp ) ) tmp = 0;
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
if( !tmp ) OT_PEERFLAG( &ws->peer ) |= PEER_FLAG_SEEDING;
break;
case 3: /* matched "event" */
switch( scan_find_keywords( keywords_announce_event, &read_ptr, SCAN_SEARCHPATH_VALUE ) ) {
case -1: HTTPERROR_400_PARAM;
case 1: /* matched "completed" */
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
OT_PEERFLAG( &ws->peer ) |= PEER_FLAG_COMPLETED;
break;
case 2: /* matched "stopped" */
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
OT_PEERFLAG( &ws->peer ) |= PEER_FLAG_STOPPED;
break;
default:
break;
}
break;
case 4: /* matched "numwant" */
len = scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE );
if( ( len <= 0 ) || scan_fixed_int( write_ptr, len, &numwant ) ) HTTPERROR_400_PARAM;
if( numwant < 0 ) numwant = 50;
if( numwant > 200 ) numwant = 200;
break;
case 5: /* matched "compact" */
len = scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE );
if( ( len <= 0 ) || scan_fixed_int( write_ptr, len, &tmp ) ) HTTPERROR_400_PARAM;
if( !tmp ) HTTPERROR_400_COMPACT;
break;
case 6: /* matched "info_hash" */
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
if( ws->hash ) HTTPERROR_400_DOUBLEHASH;
/* ignore this, when we have less than 20 bytes */
if( scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE ) != 20 ) HTTPERROR_400_PARAM;
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
ws->hash = (ot_hash*)write_ptr;
break;
#ifdef WANT_IP_FROM_QUERY_STRING
case 7: /* matched "ip" */
14 years ago
{
char *tmp_buf1 = ws->reply, *tmp_buf2 = ws->reply+16;
len = scan_urlencoded_query( &read_ptr, tmp_buf2, SCAN_SEARCHPATH_VALUE );
tmp_buf2[len] = 0;
if( ( len <= 0 ) || !scan_ip6( tmp_buf2, tmp_buf1 ) ) HTTPERROR_400_PARAM;
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
OT_SETIP( &ws->peer, tmp_buf1 );
14 years ago
}
break;
#endif
#ifdef WANT_FULLLOG_NETWORKS
case 8: /* matched "lognet" */
{
//if( accesslist_isblessed( cookie->ip, OT_PERMISSION_MAY_STAT ) ) {
char *tmp_buf = ws->reply;
ot_net net;
signed short parsed, bits;
len = scan_urlencoded_query( &read_ptr, tmp_buf, SCAN_SEARCHPATH_VALUE );
tmp_buf[len] = 0;
if( len <= 0 ) HTTPERROR_400_PARAM;
if( *tmp_buf == '-' ) {
loglist_reset( );
return ws->reply_size = sprintf( ws->reply, "Successfully removed.\n" );
}
parsed = scan_ip6( tmp_buf, net.address );
if( !parsed ) HTTPERROR_400_PARAM;
if( tmp_buf[parsed++] != '/' )
bits = 128;
else {
parsed = scan_short( tmp_buf + parsed, &bits );
if( !parsed ) HTTPERROR_400_PARAM;
if( ip6_isv4mapped( net.address ) )
bits += 96;
}
net.bits = bits;
loglist_add_network( &net );
return ws->reply_size = sprintf( ws->reply, "Successfully added.\n" );
//}
}
#endif
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
break;
case 9: /* matched "peer_id" */
/* ignore this, when we have less than 20 bytes */
if( scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_SEARCHPATH_VALUE ) != 20 ) HTTPERROR_400_PARAM;
ws->peer_id = write_ptr;
break;
}
}
#ifdef WANT_LOG_NUMWANT
numwants[numwant]++;
#endif
/* XXX DEBUG */
stats_issue_event( EVENT_ACCEPT, FLAG_TCP, (uintptr_t)ws->reply );
/* Scanned whole query string */
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
if( !ws->hash )
return ws->reply_size = sprintf( ws->reply, "d14:failure reason80:Your client forgot to send your torrent's info_hash. Please upgrade your client.e" );
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
if( OT_PEERFLAG( &ws->peer ) & PEER_FLAG_STOPPED )
ws->reply_size = remove_peer_from_torrent( FLAG_TCP, ws );
else
** struct ot_workstruct gets ritcher (and will become even ritcher soon). This is where we encapsulate all per-request data from peer to hash to peer_id, so that it is available everywhere without passing hundreds of pointers down the stack. Most functions that do work down the stack now accept an ot_workstruct and some flags. So it can end up in the stats/event-handler where it will be the default parameter in the future. ** peer_id is now being copied by default and moved to ot_workstruct So it is available in stats and subsequent functions. ** sync scrape madness is gone SYNC_SCRAPE was intended to sync tracker state that would normally be lost on restarts i.e. downloaded counts per torrent. The way was to push it in the tracker cloud after finding all neighbouring trackers. This is madness. It never was tested and can be done per tracker by fetching stats/mode=statedump from time to time and starting opentracker with the -l option later. ** livesync thread has its own ot_workstruct now So it can behave like ot_udp and ot_http against trackerlogic.c and get rid of the first half of the embarrassing global variables. The sending half will be fixed soon [tm]. ** stats can log completed events The author recognizes the needs of original content distributors to keep track of the amount of times a work has been downloaded. While not feasible and used on openbittorrent and other open and anonymous tracker installations, a tracker user can now choose to send those events to syslog.
12 years ago
ws->reply_size = add_peer_to_torrent_and_return_peers( FLAG_TCP, ws, numwant );
stats_issue_event( EVENT_ANNOUNCE, FLAG_TCP, ws->reply_size);
return ws->reply_size;
}
ssize_t http_handle_request( const int64 sock, struct ot_workstruct *ws ) {
ssize_t reply_off, len;
char *read_ptr = ws->request, *write_ptr;
#ifdef WANT_FULLLOG_NETWORKS
struct http_data *cookie = io_getcookie( sock );
if( loglist_check_address( cookie->ip ) ) {
ot_log *log = malloc( sizeof( ot_log ) );
if( log ) {
log->size = ws->request_size;
log->data = malloc( ws->request_size );
log->next = 0;
log->time = g_now_seconds;
memcpy( log->ip, cookie->ip, sizeof(ot_ip6));
if( log->data ) {
memcpy( log->data, ws->request, ws->request_size );
if( !g_logchain_first )
g_logchain_first = g_logchain_last = log;
else {
g_logchain_last->next = log;
g_logchain_last = log;
}
} else
free( log );
}
}
#endif
#ifdef _DEBUG_HTTPERROR
reply_off = ws->request_size;
14 years ago
if( ws->request_size >= G_DEBUGBUF_SIZE )
reply_off = G_DEBUGBUF_SIZE - 1;
memcpy( ws->debugbuf, ws->request, reply_off );
ws->debugbuf[ reply_off ] = 0;
#endif
/* Tell subroutines where to put reply data */
ws->reply = ws->outbuf + SUCCESS_HTTP_HEADER_LENGTH;
/* This one implicitely tests strlen < 5, too -- remember, it is \n terminated */
if( memcmp( read_ptr, "GET /", 5) ) HTTPERROR_400;
/* Skip leading '/' */
for( read_ptr+=4; *read_ptr == '/'; ++read_ptr);
/* Try to parse the request.
In reality we abandoned requiring the url to be correct. This now
only decodes url encoded characters, we check for announces and
scrapes by looking for "a*" or "sc" */
len = scan_urlencoded_query( &read_ptr, write_ptr = read_ptr, SCAN_PATH );
/* If parsing returned an error, leave with not found */
if( g_redirecturl && ( len == -2 ) ) HTTPERROR_302;
if( len <= 0 ) HTTPERROR_404;
/* This is the hardcore match for announce*/
if( ( *write_ptr == 'a' ) || ( *write_ptr == '?' ) )
http_handle_announce( sock, ws, read_ptr );
#ifdef WANT_FULLSCRAPE
else if( !memcmp( write_ptr, "scrape HTTP/", 12 ) )
http_handle_fullscrape( sock, ws );
#endif
/* This is the hardcore match for scrape */
else if( !memcmp( write_ptr, "sc", 2 ) )
http_handle_scrape( sock, ws, read_ptr );
/* All the rest is matched the standard way */
else if( len == g_stats_path_len && !memcmp( write_ptr, g_stats_path, len ) )
http_handle_stats( sock, ws, read_ptr );
else
HTTPERROR_404;
/* Find out if the client wants to keep this connection alive */
ws->keep_alive = 0;
#ifdef WANT_KEEPALIVE
read_ptr=http_header( ws->request, ws->header_size, "connection");
if( read_ptr && ( *read_ptr == 'K' || *read_ptr == 'k' ) ) ws->keep_alive = 1;
#endif
/* If routines handled sending themselves, just return */