Version 0.40
This commit is contained in:
parent
7b37fcec90
commit
6557d31b7d
2
Makefile
2
Makefile
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@ -1,7 +1,7 @@
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# Toplevel Makefile
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# Toplevel Makefile
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MASTER_SRC := client.c daemon.c logging.c main.c plugin.c plugin_helper.c scanner.c serverlist.c
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MASTER_SRC := client.c daemon.c logging.c main.c plugin.c plugin_helper.c scanner.c serverlist.c
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PLUGIN_SRC := hlswproxy.c quake3.c quake2.c halo.c doom3.c ut.c battlefield1942.c
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PLUGIN_SRC := hlswproxy.c q3engine.c quake2.c gamespy1.c gamespy2.c ut.c doom3.c
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CFLAGS := -Wall -I. -I./include -g
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CFLAGS := -Wall -I. -I./include -g
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# ############################
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# ############################
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@ -23,6 +23,7 @@ extern int server_add_pkt(unsigned int gameid, struct net_pkt *pkt);
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extern char * pkt_ntoa(struct net_pkt *pkt);
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extern char * pkt_ntoa(struct net_pkt *pkt);
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extern unsigned short pkt_getport(struct net_pkt *pkt);
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extern unsigned short pkt_getport(struct net_pkt *pkt);
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extern int pkt_atoi(struct net_pkt *pkt, void *p);
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struct hlswmaster_plugin {
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struct hlswmaster_plugin {
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/* must be first */
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/* must be first */
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@ -21,7 +21,7 @@
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#include "plugin.h"
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#include "plugin.h"
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struct scan_ports port_arr[] = {
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struct scan_ports port_arr[] = {
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{ 27666, 27673, 38 }, /* Doom 3 */
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{ 27666, 27673, 38 }, /* Doom 3 */
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{ 0,0,0 }
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{ 0,0,0 }
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};
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};
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@ -20,24 +20,50 @@
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#include <string.h>
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#include <string.h>
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#include "plugin.h"
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#include "plugin.h"
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static char scanmsg[] = { 0xFE, 0xFD, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 };
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struct scan_ports port_arr[] = {
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static char replymsg[] = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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{ 22000, 22010, 16 }, /* Battlefield 1942 */
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{ 0, 0, 0 }
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};
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static char scanmsg[] = "\\info\\";
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static char bf1942_reply[] = "\\gameId\\BF1942\\";
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static char hostport_search[] = "\\hostport\\";
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int scan(void) {
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int scan(void) {
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pkt_send(NULL, 2302, scanmsg, sizeof(scanmsg));
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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return 1;
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return 1;
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}
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}
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int parse(struct net_pkt *pkt) {
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int parse(struct net_pkt *pkt) {
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if (pkt_memcmp(pkt, 0, replymsg, sizeof(replymsg)))
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int gameid, port;
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void *p;
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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return 0;
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return 0;
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server_add_pkt(30, pkt);
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switch (gameid) {
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case 16: /* battlefield 1942 */
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if (!pkt_memmem(pkt, 0, bf1942_reply, strlen(bf1942_reply)))
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return 0;
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p = pkt_memmem(pkt, 0, hostport_search, strlen(hostport_search));
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if (!p)
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return 0;
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port = pkt_atoi(pkt, p + strlen(hostport_search));
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server_add(gameid, pkt->addr.sin_addr.s_addr, port, ntohs(pkt->addr.sin_port));
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break;
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default:
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server_add_pkt(gameid, pkt);
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break;
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}
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return 1;
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return 1;
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}
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}
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static struct hlswmaster_plugin plugin = {
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static struct hlswmaster_plugin plugin = {
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.name = "halo",
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.name = "gamespy1",
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.scan = &scan,
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.scan = &scan,
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.parse = &parse,
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.parse = &parse,
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};
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};
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#include "plugin.h"
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#include "plugin.h"
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struct scan_ports port_arr[] = {
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struct scan_ports port_arr[] = {
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{ 22000, 22010, 16 }, /* Battlefield 1942 */
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{ 2302, 2302, 30 }, /* halo */
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{ 0,0,0 }
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{ 0,0,0 }
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};
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};
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static char scanmsg[] = "\\info\\";
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static char scanmsg[] = { 0xFE, 0xFD, 0x00, 0xDE, 0xAD, 0xBE, 0xEF, 0x00, 0x00, 0x00 };
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static char replymsg[] = "ut ";
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static char replymsg[] = { 0x00, 0xDE, 0xAD, 0xBE, 0xEF };
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int scan(void) {
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int scan(void) {
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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pkt_send_portarr(NULL, port_arr, scanmsg, sizeof(scanmsg));
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return 1;
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return 1;
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}
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}
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/* TODO: port2 parsen */
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int parse(struct net_pkt *pkt) {
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int parse(struct net_pkt *pkt) {
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int gameid;
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int gameid;
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if (pkt_memcmp(pkt, 0, replymsg, strlen(replymsg)))
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return 0;
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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return 0;
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return 0;
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if (pkt_memcmp(pkt, 0, replymsg, sizeof(replymsg)))
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return 0;
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server_add_pkt(gameid, pkt);
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server_add_pkt(gameid, pkt);
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return 1;
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return 1;
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}
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}
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static struct hlswmaster_plugin plugin = {
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static struct hlswmaster_plugin plugin = {
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.name = "battlefield1942",
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.name = "gamespy2",
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.scan = &scan,
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.scan = &scan,
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.parse = &parse,
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.parse = &parse,
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};
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};
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#include "plugin.h"
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#include "plugin.h"
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struct scan_ports port_arr[] = {
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struct scan_ports port_arr[] = {
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{ 27960, 27963, 6 }, /* Quake3 */
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{ 27960, 27969, 6 }, /* Quake3(6), Elite Force(7) */
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{ 28960, 28963, 31 }, /* Call of Duty */
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{ 28960, 28963, 31 }, /* Call of Duty(31) */
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{ 0,0,0 }
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{ 0,0,0 }
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};
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};
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static char scanmsg[] = "\xff\xff\xff\xffgetInfo";
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static char scanmsg[] = "\xff\xff\xff\xffgetStatus";
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static char replymsg[] = "\xff\xff\xff\xffinfoResponse";
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static char replymsg[] = "\xff\xff\xff\xffstatusResponse";
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int scan(void) {
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int scan(void) {
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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@ -37,18 +37,30 @@ int scan(void) {
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int parse(struct net_pkt *pkt) {
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int parse(struct net_pkt *pkt) {
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int gameid;
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int gameid;
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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return 0;
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if (pkt_memcmp(pkt, 0, replymsg, strlen(replymsg)))
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if (pkt_memcmp(pkt, 0, replymsg, strlen(replymsg)))
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return 0;
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return 0;
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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if (gameid == 6) {
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return 0;
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if (pkt_memmem(pkt, 0, "\\version\\Q3 ", 12)) {
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gameid = 6;
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} else if (pkt_memmem(pkt, 0, "\\version\\ST:V ", 14)) {
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gameid = 7;
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} else {
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return 0;
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}
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}
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server_add_pkt(gameid, pkt);
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server_add_pkt(gameid, pkt);
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return 1;
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return 1;
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}
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}
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static struct hlswmaster_plugin plugin = {
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static struct hlswmaster_plugin plugin = {
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.name = "quake3",
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.name = "q3engine",
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.scan = &scan,
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.scan = &scan,
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.parse = &parse,
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.parse = &parse,
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};
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};
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#include <string.h>
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#include <string.h>
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#include "plugin.h"
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#include "plugin.h"
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static char scanmsg[] = "\xff\xff\xff\xffinfo";
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static char scanmsg[] = "\xff\xff\xff\xffinfo 34";
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int scan(void) {
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int scan(void) {
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pkt_send(NULL, 27910, scanmsg, strlen(scanmsg));
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pkt_send(NULL, 27910, scanmsg, strlen(scanmsg));
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return 1;
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return 1;
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}
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}
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/* TODO: src port checken */
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int parse(struct net_pkt *pkt) {
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int parse(struct net_pkt *pkt) {
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if (pkt_getport(pkt) != 27910)
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return 0;
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if (pkt_memcmp(pkt, 0, scanmsg, strlen(scanmsg)))
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if (pkt_memcmp(pkt, 0, scanmsg, strlen(scanmsg)))
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return 0;
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return 0;
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26
plugins/ut.c
26
plugins/ut.c
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};
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};
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static char scanmsg[] = "REPORTQUERY";
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static char scanmsg[] = "REPORTQUERY";
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static char replymsg[] = "ut ";
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static char ut_reply[] = "ut ";
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int scan(void) {
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int scan(void) {
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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pkt_send_portarr(NULL, port_arr, scanmsg, strlen(scanmsg));
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return 1;
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return 1;
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}
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}
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/* TODO: port2 parsen */
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int parse(struct net_pkt *pkt) {
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int parse(struct net_pkt *pkt) {
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int gameid;
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int gameid, port;
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void *p;
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if (pkt_memcmp(pkt, 0, replymsg, strlen(replymsg)))
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return 0;
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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if (!(gameid = pkt_check_portarr(pkt, port_arr)))
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return 0;
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return 0;
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switch (gameid) {
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case 5: /* Unreal Tournament */
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p = pkt_memmem(pkt, 0, ut_reply, strlen(ut_reply));
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if (!p)
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return 0;
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port = pkt_atoi(pkt, p + strlen(ut_reply));
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server_add(gameid, pkt->addr.sin_addr.s_addr, port -1, port);
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break;
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default:
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server_add_pkt(gameid, pkt);
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break;
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}
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server_add_pkt(gameid, pkt);
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return 1;
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return 1;
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}
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}
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@ -61,18 +61,18 @@ void log_open(char *logfile) {
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*/
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*/
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void log_print(const char *fmt, ...) {
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void log_print(const char *fmt, ...) {
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va_list az;
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va_list az;
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time_t tzgr;
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char tbuf[64];
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char buffer[256];
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char buffer[256];
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va_start(az, fmt);
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va_start(az, fmt);
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vsprintf(buffer, fmt, az);
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vsprintf(buffer, fmt, az);
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va_end(az);
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va_end(az);
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time(&tzgr);
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strftime(tbuf, 64, "%b %d %H:%M:%S :", localtime(&tzgr));
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if (log_fd) {
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if (log_fd) {
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time_t tzgr;
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char tbuf[64];
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time(&tzgr);
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strftime(tbuf, 64, "%b %d %H:%M:%S :", localtime(&tzgr));
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if (errno) {
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if (errno) {
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fprintf(log_fd, "%s %s: %s\n", tbuf, buffer, strerror(errno));
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fprintf(log_fd, "%s %s: %s\n", tbuf, buffer, strerror(errno));
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} else {
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} else {
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@ -80,9 +80,9 @@ void log_print(const char *fmt, ...) {
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}
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}
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} else {
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} else {
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if (errno) {
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if (errno) {
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fprintf(stderr, "%s %s: %s\n", tbuf, buffer, strerror(errno));
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fprintf(stderr, "%s: %s\n", buffer, strerror(errno));
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} else {
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} else {
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fprintf(stderr, "%s %s\n", tbuf, buffer);
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fprintf(stderr, "%s\n", buffer);
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}
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}
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}
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}
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errno = 0;
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errno = 0;
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@ -78,13 +78,13 @@ int main(int argc, char *argv[]) {
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}
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}
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plugin_load("plugins/hlswproxy.so");
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// plugin_load("plugins/hlswproxy.so");
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plugin_load("plugins/quake3.so");
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plugin_load("plugins/q3engine.so");
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plugin_load("plugins/quake2.so");
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plugin_load("plugins/quake2.so");
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plugin_load("plugins/halo.so");
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plugin_load("plugins/gamespy1.so");
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plugin_load("plugins/gamespy2.so");
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plugin_load("plugins/doom3.so");
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plugin_load("plugins/doom3.so");
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plugin_load("plugins/ut.so");
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plugin_load("plugins/ut.so");
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plugin_load("plugins/battlefield1942.so");
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scan_init();
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scan_init();
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@ -174,3 +174,19 @@ char * pkt_ntoa(struct net_pkt *pkt) {
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unsigned short pkt_getport(struct net_pkt *pkt) {
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unsigned short pkt_getport(struct net_pkt *pkt) {
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return ntohs(pkt->addr.sin_port);
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return ntohs(pkt->addr.sin_port);
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}
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}
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/**
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* pkt_atoi()
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* gibt den integer in dem paket ab der position zurueck
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*
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* @param struct net_pkt *pkt
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* @return int
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*/
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int pkt_atoi(struct net_pkt *pkt, void *p) {
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/* check buffer bounds */
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if ((void *)pkt->buf > p || ((void *)pkt->buf + pkt->size) < p)
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return 0;
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// TODO: kann ueber paketlaenge lesen
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return atoi(p);
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}
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@ -65,7 +65,7 @@ void scan_transmit(void) {
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list_del(&pkt->list);
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list_del(&pkt->list);
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free(pkt);
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free(pkt);
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usleep(100000);
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usleep(10000);
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}
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}
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sleep(30);
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sleep(30);
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@ -91,17 +91,21 @@ void scan_receive(void) {
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ioctl(scan_sock, FIONREAD, &recvsize);
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ioctl(scan_sock, FIONREAD, &recvsize);
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if (recvsize <= 0)
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if (recvsize <= 0) {
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log_print("scan_receive(): drop short packet");
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continue;
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continue;
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}
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if (!(pkt = malloc(sizeof(struct net_pkt) + recvsize)))
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if (!(pkt = malloc(sizeof(struct net_pkt) + recvsize))) {
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log_print("scan_receive(): malloc()");
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continue;
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continue;
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}
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i = sizeof(struct sockaddr_in);
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i = sizeof(struct sockaddr_in);
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pkt->size = recvfrom(scan_sock, pkt->buf, recvsize, 0, (struct sockaddr *)&pkt->addr, &i);
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pkt->size = recvfrom(scan_sock, pkt->buf, recvsize, 0, (struct sockaddr *)&pkt->addr, &i);
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if (!plugins_parse(pkt))
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if (!plugins_parse(pkt))
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log_print("received unknown packet\n");
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log_print("scan_receive(): received unknown packet");
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free(pkt);
|
free(pkt);
|
||||||
}
|
}
|
||||||
|
|
|
@ -32,6 +32,8 @@
|
||||||
#include "plugin.h"
|
#include "plugin.h"
|
||||||
#include "list.h"
|
#include "list.h"
|
||||||
|
|
||||||
|
#define DEBUG 1
|
||||||
|
|
||||||
LIST_HEAD(server_list);
|
LIST_HEAD(server_list);
|
||||||
|
|
||||||
/* sichert die server liste */
|
/* sichert die server liste */
|
||||||
|
@ -80,12 +82,14 @@ int server_add(u_int16_t gameid, u_int32_t ip, u_int16_t port1, u_int16_t port2)
|
||||||
pthread_mutex_unlock(&server_list_lock);
|
pthread_mutex_unlock(&server_list_lock);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
#ifdef DEBUG
|
||||||
struct in_addr tmp;
|
{
|
||||||
tmp.s_addr = server.ip;
|
struct in_addr tmp;
|
||||||
printf("new server: gameid=%d ip=%s port1=%d port2=%d\n",
|
tmp.s_addr = server.ip;
|
||||||
server.gameid, inet_ntoa(tmp), server.port1, server.port2);
|
printf("server_add_new: gameid=%d ip=%s port1=%d port2=%d\n",
|
||||||
|
server.gameid, inet_ntoa(tmp), server.port1, server.port2);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
memcpy(nserver, &server, sizeof(struct game_server));
|
memcpy(nserver, &server, sizeof(struct game_server));
|
||||||
list_add_tail(&nserver->list, &server_list);
|
list_add_tail(&nserver->list, &server_list);
|
||||||
}
|
}
|
||||||
|
@ -106,7 +110,7 @@ int server_add(u_int16_t gameid, u_int32_t ip, u_int16_t port1, u_int16_t port2)
|
||||||
*/
|
*/
|
||||||
void server_collector(void) {
|
void server_collector(void) {
|
||||||
struct game_server *server, *tmp;
|
struct game_server *server, *tmp;
|
||||||
unsigned long now, timeout = 120;
|
unsigned long now, timeout = 60;
|
||||||
|
|
||||||
while (1) {
|
while (1) {
|
||||||
sleep(5);
|
sleep(5);
|
||||||
|
@ -114,7 +118,15 @@ void server_collector(void) {
|
||||||
now = time(NULL);
|
now = time(NULL);
|
||||||
pthread_mutex_lock(&server_list_lock);
|
pthread_mutex_lock(&server_list_lock);
|
||||||
list_for_each_entry_safe(server, tmp, &server_list, list) {
|
list_for_each_entry_safe(server, tmp, &server_list, list) {
|
||||||
if (server->modtime + timeout < now) {
|
if ((server->modtime + timeout) < now) {
|
||||||
|
#ifdef DEBUG
|
||||||
|
{
|
||||||
|
struct in_addr tmp2;
|
||||||
|
tmp2.s_addr = server->ip;
|
||||||
|
printf("server timeout: gameid=%d ip=%s port1=%d port2=%d\n",
|
||||||
|
server->gameid, inet_ntoa(tmp2), server->port1, server->port2);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
list_del(&server->list);
|
list_del(&server->list);
|
||||||
free(server);
|
free(server);
|
||||||
continue;
|
continue;
|
||||||
|
|
|
@ -2,6 +2,7 @@
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
#include <unistd.h>
|
#include <unistd.h>
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
|
#include <getopt.h>
|
||||||
#include <sys/time.h>
|
#include <sys/time.h>
|
||||||
#include <sys/types.h>
|
#include <sys/types.h>
|
||||||
#include <sys/socket.h>
|
#include <sys/socket.h>
|
||||||
|
@ -17,133 +18,221 @@ struct _entry {
|
||||||
u_int16_t port2;
|
u_int16_t port2;
|
||||||
} __attribute__ ((packed));
|
} __attribute__ ((packed));
|
||||||
|
|
||||||
static char scanmsg[] = "\xFF\xFF\xFF\xFFHLSWLANSEARCH";
|
static char hlswheader[] = "\xFF\xFF\xFF\xFFHLSWLANSEARCH";
|
||||||
|
|
||||||
char *gameid2name[] = { "Unknown", // 0
|
static char *id2name[] = {
|
||||||
"HL",
|
"Unknown", // 0
|
||||||
"Q1",
|
"Halflife",
|
||||||
"Q2",
|
"Quake 1",
|
||||||
"Q3Comp",
|
"Quake 2",
|
||||||
"UT",
|
"Q3Comp",
|
||||||
"Q3",
|
"Unreal Tournament",
|
||||||
"EF",
|
"Quake 3 Arena",
|
||||||
"RtCW",
|
"Elite Force",
|
||||||
"GSProt",
|
"Return to Castle Wolfenstein",
|
||||||
"CCR", // 10
|
"GSProt",
|
||||||
"MoHAA",
|
"Command & Conquer Renegade", // 10
|
||||||
"JK2",
|
"Medal of Honor: Allied Assault",
|
||||||
"SoF2",
|
"Jedi Knight 2",
|
||||||
"UT2K3",
|
"Soldier of Fortune",
|
||||||
"AAO",
|
"Unreal Tournament 2003",
|
||||||
"BF1942",
|
"America's Army: Operations",
|
||||||
"AvP2",
|
"Battlefield 1942",
|
||||||
"Rune",
|
"Alien vs. Predator 2",
|
||||||
"IGI2",
|
"Rune",
|
||||||
"NWN", // 20
|
"Project IGI2: Covert Strike",
|
||||||
"MoHAAS",
|
"Never Winter Nights", // 20
|
||||||
"OPF",
|
"Medal of Honor: Allied Assault Spearhead",
|
||||||
"OPFR",
|
"Operation Flashpoint",
|
||||||
"DVS",
|
"Operation Flashpoint Resistance",
|
||||||
"ET",
|
"Devastation",
|
||||||
"EF2",
|
"Wolfenstein - Enemy Territory",
|
||||||
"JK3",
|
"Elite Force 2",
|
||||||
"MoHAAB",
|
"Jedi Knight 3",
|
||||||
"Tribes2",
|
"Medal of Honor: Allied Assault Breakthrough",
|
||||||
"HALO", // 30
|
"Tribes 2",
|
||||||
"CoD",
|
"Halo", // 30
|
||||||
"Savage",
|
"Call of Duty",
|
||||||
"UT2K4",
|
"Savage: The Battle for Newerth",
|
||||||
"HLSteam",
|
"Unreal Tournament 2004",
|
||||||
"BFV",
|
"HLSteam",
|
||||||
"GS2Prot",
|
"Battlefield Vietnam",
|
||||||
"PK",
|
"GS2Prot",
|
||||||
"D3",
|
"Pain Killer",
|
||||||
"OGPProt",
|
"Doom 3",
|
||||||
"HL2", // 40
|
"OGPProt",
|
||||||
"TribesV",
|
"Halflife 2", // 40
|
||||||
"CoDUO" };
|
"Tribes Vengeance",
|
||||||
|
"Call of Duty: United Offensive"
|
||||||
|
};
|
||||||
|
|
||||||
int main(int argc, char *argv[]) {
|
static struct option opts[] = {
|
||||||
struct sockaddr_in dst;
|
{"destination", 1, 0, 'd'},
|
||||||
struct timeval tv;
|
{"intervall", 1, 0, 'i'},
|
||||||
struct _entry *srv;
|
{"help", 0, 0, 'h'},
|
||||||
fd_set fdsel, fdcpy;
|
{0, 0, 0, 0}
|
||||||
int sock, i = 1, recvsize;
|
};
|
||||||
void *pkt;
|
|
||||||
|
|
||||||
|
static int sock;
|
||||||
|
|
||||||
|
static void parse_pkt(struct sockaddr_in *src, void *pkt, unsigned int size) {
|
||||||
|
struct _entry *server;
|
||||||
|
struct in_addr tmp;
|
||||||
|
|
||||||
|
if (size < sizeof(hlswheader) || strncmp(pkt, hlswheader, sizeof(hlswheader))) {
|
||||||
|
printf("received INVALID packet from: %15s:%-5d size=%d\n",
|
||||||
|
inet_ntoa(src->sin_addr), ntohs(src->sin_port), size);
|
||||||
|
|
||||||
|
} else {
|
||||||
|
printf("received hlsw packet from: %15s:%-5d size=%d\n",
|
||||||
|
inet_ntoa(src->sin_addr), ntohs(src->sin_port), size);
|
||||||
|
|
||||||
|
server = pkt + sizeof(hlswheader);
|
||||||
|
while ((void *)server < pkt + size) {
|
||||||
|
tmp.s_addr = server->ip;
|
||||||
|
printf(" ip=%15s port1=%5d port2=%5d gameid=%2d (%s)\n",
|
||||||
|
inet_ntoa(tmp), server->port1, server->port2,
|
||||||
|
server->gameid, id2name[server->gameid]);
|
||||||
|
server++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static int scan_init() {
|
||||||
|
int i = 1;
|
||||||
|
|
||||||
if ((sock = socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
|
if ((sock = socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
|
||||||
perror("socket()");
|
perror("socket()");
|
||||||
exit(-1);
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &i, sizeof(i))) {
|
if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &i, sizeof(i))) {
|
||||||
perror("setsockopt()");
|
perror("setsockopt()");
|
||||||
exit(-1);
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
dst.sin_family = AF_INET;
|
return 0;
|
||||||
dst.sin_port = htons(7130);
|
}
|
||||||
inet_aton("0.0.0.0", &dst.sin_addr);
|
|
||||||
|
static int scan_transmit(struct sockaddr_in *dst) {
|
||||||
if (bind(sock, (struct sockaddr *)&dst, sizeof(dst)) < 0) {
|
if (sendto(sock, hlswheader, sizeof(hlswheader), 0, (struct sockaddr *)dst, sizeof(struct sockaddr_in)) < 0) {
|
||||||
perror("bind()");
|
|
||||||
exit(-1);
|
|
||||||
}
|
|
||||||
|
|
||||||
dst.sin_port = htons(7140);
|
|
||||||
inet_aton("255.255.255.255", &dst.sin_addr);
|
|
||||||
|
|
||||||
if (sendto(sock, scanmsg, sizeof(scanmsg), 0, (struct sockaddr *)&dst, sizeof(dst)) < 0) {
|
|
||||||
perror("sendto()");
|
perror("sendto()");
|
||||||
exit(-1);
|
return -1;
|
||||||
}
|
|
||||||
|
|
||||||
FD_ZERO(&fdsel);
|
|
||||||
FD_SET(sock, &fdsel);
|
|
||||||
|
|
||||||
tv.tv_sec = 1;
|
|
||||||
tv.tv_usec = 0;
|
|
||||||
|
|
||||||
while (1) {
|
|
||||||
memcpy(&fdcpy, &fdsel, sizeof(fdsel));
|
|
||||||
if (select(FD_SETSIZE, &fdcpy, NULL, NULL, &tv) < 0) {
|
|
||||||
perror("select");
|
|
||||||
exit(-1);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (tv.tv_sec == 0 && tv.tv_usec == 0)
|
|
||||||
exit(0);
|
|
||||||
|
|
||||||
ioctl(sock, FIONREAD, &recvsize);
|
|
||||||
|
|
||||||
if (recvsize <= 0) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!(pkt = malloc(recvsize))) {
|
|
||||||
perror("malloc()");
|
|
||||||
exit(-1);
|
|
||||||
}
|
|
||||||
|
|
||||||
i = sizeof(struct sockaddr_in);
|
|
||||||
recvsize = recvfrom(sock, pkt, recvsize, 0, (struct sockaddr *)&dst, &i);
|
|
||||||
|
|
||||||
printf("received packet from: %s:%d size=%d\n",
|
|
||||||
inet_ntoa(dst.sin_addr), ntohs(dst.sin_port), recvsize);
|
|
||||||
|
|
||||||
srv = pkt + sizeof(scanmsg);
|
|
||||||
while ((void *)srv < pkt + recvsize) {
|
|
||||||
dst.sin_addr.s_addr = srv->ip;
|
|
||||||
printf(" ip=%s port1=%d port2=%d gameid=%d (%s)\n",
|
|
||||||
inet_ntoa(dst.sin_addr),
|
|
||||||
srv->port1,
|
|
||||||
srv->port2,
|
|
||||||
srv->gameid,
|
|
||||||
gameid2name[srv->gameid]);
|
|
||||||
srv++;
|
|
||||||
}
|
|
||||||
free(pkt);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int scan_receive() {
|
||||||
|
struct sockaddr_in src;
|
||||||
|
struct timeval tv;
|
||||||
|
fd_set fdsel;
|
||||||
|
unsigned int i = 1, recvsize;
|
||||||
|
void *pkt;
|
||||||
|
|
||||||
|
FD_ZERO(&fdsel);
|
||||||
|
FD_SET(sock, &fdsel);
|
||||||
|
|
||||||
|
tv.tv_sec = 1;
|
||||||
|
tv.tv_usec = 0;
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
if (select(FD_SETSIZE, &fdsel, NULL, NULL, &tv) < 0) {
|
||||||
|
perror("select");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* timeout: our exit */
|
||||||
|
if (tv.tv_sec == 0 && tv.tv_usec == 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* get packetsize */
|
||||||
|
if (ioctl(sock, FIONREAD, &recvsize) == -1) {
|
||||||
|
perror("ioctl");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (recvsize > 0) {
|
||||||
|
if (!(pkt = malloc(recvsize))) {
|
||||||
|
perror("malloc()");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
i = sizeof(struct sockaddr_in);
|
||||||
|
recvsize = recvfrom(sock, pkt, recvsize, 0, (struct sockaddr *)&src, &i);
|
||||||
|
|
||||||
|
parse_pkt(&src, pkt, recvsize);
|
||||||
|
|
||||||
|
free(pkt);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char *argv[]) {
|
||||||
|
struct sockaddr_in dst;
|
||||||
|
int arg = 0, code = 0;
|
||||||
|
int freq = -1;
|
||||||
|
|
||||||
|
dst.sin_family = AF_INET;
|
||||||
|
dst.sin_port = htons(7140);
|
||||||
|
inet_aton("255.255.255.255", &dst.sin_addr);
|
||||||
|
|
||||||
|
while (code != -1) {
|
||||||
|
code = getopt_long(argc, argv, "d:i:h", opts, &arg);
|
||||||
|
|
||||||
|
switch (code) {
|
||||||
|
case 'd': /* destination */
|
||||||
|
if (inet_pton(dst.sin_family, optarg, &dst.sin_addr) <= 0) {
|
||||||
|
fprintf(stderr, "invalid destination: %s\n", optarg);
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'i': /* intervall */
|
||||||
|
freq = atoi(optarg);
|
||||||
|
if (freq < 1) {
|
||||||
|
fprintf(stderr, "invalid interval: %s\n", optarg);
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'h': /* help */
|
||||||
|
printf("Usage: masterquery [options]\n"
|
||||||
|
"Options: \n"
|
||||||
|
" --destination -d scan destination <ip>\n"
|
||||||
|
" --intervall -i scan intervall in seconds\n"
|
||||||
|
" --help -h this help\n"
|
||||||
|
"\n");
|
||||||
|
exit(0);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case '?': /* error */
|
||||||
|
exit(-1);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default: /* unknown / all options parsed */
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (scan_init())
|
||||||
|
exit(-1);
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
if (scan_transmit(&dst))
|
||||||
|
exit(-1);
|
||||||
|
|
||||||
|
if (scan_receive())
|
||||||
|
exit(-1);
|
||||||
|
|
||||||
|
if (freq < 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
sleep(freq -1);
|
||||||
|
}
|
||||||
|
|
||||||
|
close(sock);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
Loading…
Reference in New Issue