src/client/client_connect.c

/*
 * Copyright (C) 1998,1999,2000,2001  Ross Combs (rocombs@cs.nmsu.edu)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
#include "common/setup_before.h"
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
#endif
#ifdef HAVE_MEMORY_H
# include <memory.h>
#endif
#include "compat/memset.h"
#include "compat/memcpy.h"
#include <ctype.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#include <errno.h>
#include "compat/strerror.h"
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "compat/gethostname.h"
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include "compat/socket.h"
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#include "compat/netinet_in.h"
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#include "compat/inet_ntoa.h"
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#include "compat/psock.h"
#include "common/packet.h"
#include "common/init_protocol.h"
#include "common/udp_protocol.h"
#include "common/bnet_protocol.h"
#include "common/file_protocol.h"
#include "common/tag.h"
#include "common/bn_type.h"
#include "common/field_sizes.h"
#include "common/bnethash.h"
#include "common/bnethashconv.h"
#include "common/util.h"
#ifdef CLIENTDEBUG
# include "common/eventlog.h"
#endif
#include "client.h"
#include "udptest.h"
#include "common/bnettime.h"
#include "common/proginfo.h"
#include "client_connect.h"
#include "common/setup_after.h"


#define COMPNAMELEN 128

#ifdef CLIENTDEBUG
# define dprintf printf
#else
# define dprintf if (0) printf
#endif


static int key_interpret(char const * cdkey, unsigned int * productid, unsigned int * keyvalue1, unsigned int * keyvalue2)
{
    /* FIXME: implement... have example code from Eurijk! */
    *productid = 0;
    *keyvalue1 = 0;
    *keyvalue2 = 0;
    return 0;
}


static int get_defversioninfo(char const * progname, char const * clienttag, unsigned int * versionid, unsigned int * gameversion, char const * * exeinfo, unsigned int * checksum)
{
    if (strcmp(clienttag,CLIENTTAG_DIABLORTL)==0)
    {
        *versionid = CLIENT_VERSIONID_DRTL;
        *gameversion = CLIENT_GAMEVERSION_DRTL;
        *exeinfo = CLIENT_EXEINFO_DRTL;
        *checksum = CLIENT_CHECKSUM_DRTL;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_STARCRAFT)==0)
    {
        *versionid = CLIENT_VERSIONID_STAR;
        *gameversion = CLIENT_GAMEVERSION_STAR;
        *exeinfo = CLIENT_EXEINFO_STAR;
        *checksum = CLIENT_CHECKSUM_STAR;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_SHAREWARE)==0)
    {
        *versionid = CLIENT_VERSIONID_SSHR;
        *gameversion = CLIENT_GAMEVERSION_SSHR;
        *exeinfo = CLIENT_EXEINFO_SSHR;
        *checksum = CLIENT_CHECKSUM_SSHR;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_BROODWARS)==0)
    {
        *versionid = CLIENT_VERSIONID_SEXP;
        *gameversion = CLIENT_GAMEVERSION_SEXP;
        *exeinfo = CLIENT_EXEINFO_SEXP;
        *checksum = CLIENT_CHECKSUM_SEXP;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_WARCIIBNE)==0)
    {
        *versionid = CLIENT_VERSIONID_W2BN;
        *gameversion = CLIENT_GAMEVERSION_W2BN;
        *exeinfo = CLIENT_EXEINFO_W2BN;
        *checksum = CLIENT_CHECKSUM_W2BN;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_DIABLO2DV)==0)
    {
        *versionid = CLIENT_VERSIONID_D2DV;
        *gameversion = CLIENT_GAMEVERSION_D2DV;
        *exeinfo = CLIENT_EXEINFO_D2DV;
        *checksum = CLIENT_CHECKSUM_D2DV;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_DIABLO2XP)==0)
    {
        *versionid = CLIENT_VERSIONID_D2XP;
        *gameversion = CLIENT_GAMEVERSION_D2XP;
        *exeinfo = CLIENT_EXEINFO_D2XP;
        *checksum = CLIENT_CHECKSUM_D2XP;
        return 0;
    }
    
    if (strcmp(clienttag,CLIENTTAG_WARCRAFT3)==0 ||
        strcmp(clienttag,CLIENTTAG_WAR3XP)==0)
    {
        *versionid = CLIENT_VERSIONID_WAR3;
        *gameversion = CLIENT_GAMEVERSION_WAR3;
        *exeinfo = CLIENT_EXEINFO_WAR3;
        *checksum = CLIENT_CHECKSUM_WAR3;
        return 0;
    }
    
    *versionid = 0;
    *gameversion = 0;
    *exeinfo = "";
    *checksum = 0;
    
    fprintf(stderr,"%s: unsupported clienttag \"%s\"\n",progname,clienttag);
    // aaron: dunno what we should return in case of this.. but returning nothing was definetly wrong
    return -1;
}


extern int client_connect(char const * progname, char const * servname, unsigned short servport, char const * cdowner, char const * cdkey, char const * clienttag, struct sockaddr_in * saddr, unsigned int * sessionkey, unsigned int * sessionnum, char const * archtag)
{
    struct hostent * host;
    char const *     username;
    int              sd;
    t_packet *       packet;
    t_packet *       rpacket;
    char             compname[COMPNAMELEN];
    int              lsock;
    unsigned short   lsock_port;
    unsigned int     versionid;
    unsigned int     gameversion;
    char const *     exeinfo;
    unsigned int     checksum;
    
    if (!progname)
    {
        fprintf(stderr,"got NULL progname\n");
        return -1;
    }
    if (!saddr)
    {
        fprintf(stderr,"%s: got NULL saddr\n",progname);
        return -1;
    }
    if (!sessionkey)
    {
        fprintf(stderr,"%s: got NULL sessionkey\n",progname);
        return -1;
    }
    if (!sessionnum)
    {
        fprintf(stderr,"%s: got NULL sessionnum\n",progname);
        return -1;
    }
    
    if (psock_init()<0)
    {
        fprintf(stderr,"%s: could not inialialize socket functions\n",progname);
        return -1;
    }
    
    if (!(host = gethostbyname(servname)))
    {
        fprintf(stderr,"%s: unknown host \"%s\"\n",progname,servname);
        return -1;
    }
    if (host->h_addrtype!=PSOCK_AF_INET)
        fprintf(stderr,"%s: host \"%s\" is not in IPv4 address family\n",progname,servname);
    
    if (gethostname(compname,COMPNAMELEN)<0)
    {
        fprintf(stderr,"%s: could not get host name (gethostname: %s)\n",progname,pstrerror(errno));
        return -1;
    }
#ifdef HAVE_GETLOGIN
    if (!(username = getlogin()))
#endif
    {
        username = "unknown";
        dprintf("%s: could not get login name, using \"%s\" (getlogin: %s)\n",progname,username,pstrerror(errno));
    }
    
    if ((sd = psock_socket(PSOCK_PF_INET,PSOCK_SOCK_STREAM,PSOCK_IPPROTO_TCP))<0)
    {
        fprintf(stderr,"%s: could not create socket (psock_socket: %s)\n",progname,pstrerror(psock_errno()));
        return -1;
    }
    
    memset(saddr,0,sizeof(*saddr));
    saddr->sin_family = PSOCK_AF_INET;
    saddr->sin_port   = htons(servport);
    memcpy(&saddr->sin_addr.s_addr,host->h_addr_list[0],host->h_length);
    if (psock_connect(sd,(struct sockaddr *)saddr,sizeof(*saddr))<0)
    {
        fprintf(stderr,"%s: could not connect to server \"%s\" port %hu (psock_connect: %s)\n",progname,servname,servport,pstrerror(psock_errno()));
        goto error_sd;
    }
    
    printf("Connected to %s:%hu.\n",inet_ntoa(saddr->sin_addr),servport);
    
#ifdef CLIENTDEBUG
    eventlog_set(stderr);
#endif
        
    if ((lsock = client_udptest_setup(progname,&lsock_port))>=0)
        dprintf("Got UDP data on port %hu\n",lsock_port);
    
    if (!(packet = packet_create(packet_class_init)))
    {
        fprintf(stderr,"%s: could not create packet\n",progname);
        goto error_lsock;
    }
    bn_byte_set(&packet->u.client_initconn.class,CLIENT_INITCONN_CLASS_BNET);
    client_blocksend_packet(sd,packet);
    packet_del_ref(packet);
    
    /* reuse this same packet over and over */
    if (!(rpacket = packet_create(packet_class_bnet)))
    {
        fprintf(stderr,"%s: could not create packet\n",progname);
        goto error_lsock;
    }
    
    get_defversioninfo(progname,clienttag,&versionid,&gameversion,&exeinfo,&checksum);

    if (strcmp(clienttag,CLIENTTAG_DIABLOSHR)==0 ||
        strcmp(clienttag,CLIENTTAG_DIABLORTL)==0)
    {
        if (!(packet = packet_create(packet_class_bnet)))
        {
            fprintf(stderr,"%s: could not create packet\n",progname);
            goto error_rpacket;
        }
        packet_set_size(packet,sizeof(t_client_unknown_1b));
        packet_set_type(packet,CLIENT_UNKNOWN_1B);
        bn_short_set(&packet->u.client_unknown_1b.unknown1,CLIENT_UNKNOWN_1B_UNKNOWN3);
        bn_short_nset(&packet->u.client_unknown_1b.port,lsock_port);
        bn_int_nset(&packet->u.client_unknown_1b.ip,0); /* FIXME */
        bn_int_set(&packet->u.client_unknown_1b.unknown2,CLIENT_UNKNOWN_1B_UNKNOWN3);
        bn_int_set(&packet->u.client_unknown_1b.unknown3,CLIENT_UNKNOWN_1B_UNKNOWN3);
        client_blocksend_packet(sd,packet);
        packet_del_ref(packet);
    }
    
    if (!(packet = packet_create(packet_class_bnet)))
    {
        fprintf(stderr,"%s: could not create packet\n",progname);
        goto error_rpacket;
    }
    packet_set_size(packet,sizeof(t_client_countryinfo_109));
    packet_set_type(packet,CLIENT_COUNTRYINFO_109);
    bn_int_set(&packet->u.client_countryinfo_109.protocol,CLIENT_COUNTRYINFO_109_PROTOCOL);
    bn_int_tag_set(&packet->u.client_countryinfo_109.archtag,archtag);
    bn_int_tag_set(&packet->u.client_countryinfo_109.clienttag,clienttag);
           //AARON 

    bn_int_set(&packet->u.client_countryinfo_109.versionid,versionid);
    bn_int_set(&packet->u.client_countryinfo_109.gamelang,CLIENT_COUNTRYINFO_109_GAMELANG);
    bn_int_set(&packet->u.client_countryinfo_109.localip,CLIENT_COUNTRYINFO_109_LOCALIP);
    {
        int bias;
        
        bias = local_tzbias();
        
        bn_int_set(&packet->u.client_countryinfo_109.bias,(unsigned int)bias); /* rely on 2's complement */
        dprintf("my tzbias = %d (0x%08hx)\n",bias,(unsigned int)bias);
    }
    /* FIXME: determine from locale */
    bn_int_set(&packet->u.client_countryinfo_109.lcid,CLIENT_COUNTRYINFO_109_LANGID_USENGLISH);
    bn_int_set(&packet->u.client_countryinfo_109.langid,CLIENT_COUNTRYINFO_109_LANGID_USENGLISH);
    packet_append_string(packet,CLIENT_COUNTRYINFO_109_LANGSTR_USENGLISH);
    /* FIXME: determine from locale+timezone... from domain name... nothing really would
       work.  Maybe add some command-line options */
    packet_append_string(packet,CLIENT_COUNTRYINFO_109_COUNTRYNAME_USA);
    client_blocksend_packet(sd,packet);
    packet_del_ref(packet);
   
    do
        if (client_blockrecv_packet(sd,rpacket)<0)
        {
            fprintf(stderr,"%s: server closed connection\n",progname);
            goto error_rpacket;
        }
    while (packet_get_type(rpacket)!=SERVER_AUTHREQ_109 &&
           packet_get_type(rpacket)!=SERVER_AUTHREPLY_109);
    
    if (packet_get_type(rpacket)==SERVER_AUTHREQ_109) /* hmm... server wants to check the version number */
    {
        dprintf("Got AUTHREQ_109\n");
        *sessionkey = bn_int_get(rpacket->u.server_authreq_109.sessionkey);
        *sessionnum = bn_int_get(rpacket->u.server_authreq_109.sessionnum);
        /* FIXME: also get filename and equation */

        if (!(packet = packet_create(packet_class_bnet)))
        {
            fprintf(stderr,"%s: could not create packet\n",progname);
            goto error_rpacket;
        }
        packet_set_size(packet,sizeof(t_client_authreq_109));
        packet_set_type(packet,CLIENT_AUTHREQ_109);
        bn_int_set(&packet->u.client_authreq_109.ticks,time(NULL));
        
        {
            t_cdkey_info cdkey_info;
            
            bn_int_set(&packet->u.client_authreq_109.gameversion,gameversion);

            bn_int_set(&packet->u.client_authreq_109.cdkey_number,1); /* only one */
            memset(&cdkey_info,'0',sizeof(cdkey_info));
            /* FIXME: put the input cdkey here */
            packet_append_data(packet,&cdkey_info,sizeof(cdkey_info));
            packet_append_string(packet,exeinfo);
            packet_append_string(packet,cdowner);
        }
        bn_int_set(&packet->u.client_authreq_109.spawn,0x0000); 
        bn_int_set(&packet->u.client_authreq_109.checksum,checksum);
        client_blocksend_packet(sd,packet);
        packet_del_ref(packet);
        
        /* now wait for reply */
        do
            if (client_blockrecv_packet(sd,rpacket)<0)
            {
                fprintf(stderr,"%s: server closed connection\n",progname);
                goto error_rpacket;
            }
        while (packet_get_type(rpacket)!=SERVER_AUTHREPLY_109);
      //FIXME: check if AUTHREPLY_109 is success or fail
      if (bn_int_get(rpacket->u.server_authreply_109.message)!=SERVER_AUTHREPLY_109_MESSAGE_OK)
      {
         fprintf(stderr,"AUTHREPLY_109 failed - closing connection\n");
         goto error_rpacket;
      }
    }
    else
        fprintf(stderr,"We didn't get a sessionkey, don't expect login to work!");
    dprintf("Got AUTHREPLY_109\n");
    
    if (!(packet = packet_create(packet_class_bnet)))
    {
        fprintf(stderr,"%s: could not create packet\n",progname);
        goto error_rpacket;
    }
    packet_set_size(packet,sizeof(t_client_iconreq));
    packet_set_type(packet,CLIENT_ICONREQ);
    client_blocksend_packet(sd,packet);
    packet_del_ref(packet);
    
    do
        if (client_blockrecv_packet(sd,rpacket)<0)
        {
            fprintf(stderr,"%s: server closed connection\n",progname);
            goto error_rpacket;
        }
    while (packet_get_type(rpacket)!=SERVER_ICONREPLY);
    dprintf("Got ICONREPLY\n");
    
    if (strcmp(clienttag,CLIENTTAG_STARCRAFT)==0 ||
        strcmp(clienttag,CLIENTTAG_BROODWARS)==0 ||
        strcmp(clienttag,CLIENTTAG_WARCIIBNE)==0)
    {
        if (!(packet = packet_create(packet_class_bnet)))
        {
            fprintf(stderr,"%s: could not create packet\n",progname);
            goto error_rpacket;
        }

        {
            struct
            {
                bn_int sessionkey;
                bn_int ticks;
                bn_int productid;
                bn_int keyvalue1;
                bn_int keyvalue2;
            }            temp;
            t_hash       key_hash;
            unsigned int ticks;
            unsigned int keyvalue1,keyvalue2,productid;
            
            if (key_interpret(cdkey,&productid,&keyvalue1,&keyvalue2)<0)
            {
                fprintf(stderr,"%s: specified key is not valid, sending junk\n",progname);
                productid = 0;
                keyvalue1 = 0;
                keyvalue2 = 0;
            }
            
            ticks = 0; /* FIXME: what to use here? */
            bn_int_set(&temp.ticks,ticks);
            bn_int_set(&temp.sessionkey,*sessionkey);
            bn_int_set(&temp.productid,productid);
            bn_int_set(&temp.keyvalue1,keyvalue1);
            bn_int_set(&temp.keyvalue2,keyvalue2);
            bnet_hash(&key_hash,sizeof(temp),&temp);
            
            packet_set_size(packet,sizeof(t_client_cdkey2));
            packet_set_type(packet,CLIENT_CDKEY2);
            bn_int_set(&packet->u.client_cdkey2.spawn,CLIENT_CDKEY2_SPAWN_FALSE); /* FIXME: add option */
            bn_int_set(&packet->u.client_cdkey2.keylen,strlen(cdkey));
            bn_int_set(&packet->u.client_cdkey2.productid,productid);
            bn_int_set(&packet->u.client_cdkey2.keyvalue1,keyvalue1);
            bn_int_set(&packet->u.client_cdkey2.sessionkey,*sessionkey);
            bn_int_set(&packet->u.client_cdkey2.ticks,ticks);
            hash_to_bnhash((t_hash const *)&key_hash,packet->u.client_cdkey2.key_hash); /* avoid warning */
            packet_append_string(packet,cdowner);
            client_blocksend_packet(sd,packet);
            packet_del_ref(packet);
        }

        do
            if (client_blockrecv_packet(sd,rpacket)<0)
            {
                fprintf(stderr,"%s: server closed connection\n",progname);
                goto error_rpacket;
            }
        while (packet_get_type(rpacket)!=SERVER_CDKEYREPLY2);
        dprintf("Got CDKEYREPLY2 (%u)\n",bn_int_get(rpacket->u.server_cdkeyreply2.message));
    }
    
    packet_destroy(rpacket);
    return sd;
    
    /* error cleanup */
    
    error_rpacket:
    
        packet_destroy(rpacket);
    
    error_lsock:
    
        if (lsock>=0)
            psock_close(lsock);
    
    error_sd:
    
        psock_close(sd);
    
    return -1;
}
1	/*
2	* Copyright (C) 1998,1999,2000,2001 Ross Combs (rocombs@cs.nmsu.edu)
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License
6	* as published by the Free Software Foundation; either version 2
7	* of the License, or (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program; if not, write to the Free Software
16	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17	*/
18	#include "common/setup_before.h"
19	#include <stdio.h>
20	#ifdef STDC_HEADERS
21	# include <stdlib.h>
22	#endif
23	#ifdef HAVE_MEMORY_H
24	# include <memory.h>
25	#endif
26	#include "compat/memset.h"
27	#include "compat/memcpy.h"
28	#include <ctype.h>
29	#ifdef HAVE_STRING_H
30	# include <string.h>
31	#endif
32	#include <errno.h>
33	#include "compat/strerror.h"
34	#ifdef TIME_WITH_SYS_TIME
35	# include <sys/time.h>
36	# include <time.h>
37	#else
38	# ifdef HAVE_SYS_TIME_H
39	# include <sys/time.h>
40	# else
41	# include <time.h>
42	# endif
43	#endif
44	#ifdef HAVE_UNISTD_H
45	# include <unistd.h>
46	#endif
47	#include "compat/gethostname.h"
48	#ifdef HAVE_SYS_TYPES_H
49	# include <sys/types.h>
50	#endif
51	#ifdef HAVE_SYS_SOCKET_H
52	# include <sys/socket.h>
53	#endif
54	#include "compat/socket.h"
55	#ifdef HAVE_SYS_PARAM_H
56	# include <sys/param.h>
57	#endif
58	#ifdef HAVE_NETINET_IN_H
59	# include <netinet/in.h>
60	#endif
61	#include "compat/netinet_in.h"
62	#ifdef HAVE_ARPA_INET_H
63	# include <arpa/inet.h>
64	#endif
65	#include "compat/inet_ntoa.h"
66	#ifdef HAVE_NETDB_H
67	# include <netdb.h>
68	#endif
69	#include "compat/psock.h"
70	#include "common/packet.h"
71	#include "common/init_protocol.h"
72	#include "common/udp_protocol.h"
73	#include "common/bnet_protocol.h"
74	#include "common/file_protocol.h"
75	#include "common/tag.h"
76	#include "common/bn_type.h"
77	#include "common/field_sizes.h"
78	#include "common/bnethash.h"
79	#include "common/bnethashconv.h"
80	#include "common/util.h"
81	#ifdef CLIENTDEBUG
82	# include "common/eventlog.h"
83	#endif
84	#include "client.h"
85	#include "udptest.h"
86	#include "common/bnettime.h"
87	#include "common/proginfo.h"
88	#include "client_connect.h"
89	#include "common/setup_after.h"
90
91
92	#define COMPNAMELEN 128
93
94	#ifdef CLIENTDEBUG
95	# define dprintf printf
96	#else
97	# define dprintf if (0) printf
98	#endif
99
100
101	static int key_interpret(char const * cdkey, unsigned int * productid, unsigned int * keyvalue1, unsigned int * keyvalue2)
102	{
103	/* FIXME: implement... have example code from Eurijk! */
104	*productid = 0;
105	*keyvalue1 = 0;
106	*keyvalue2 = 0;
107	return 0;
108	}
109
110
111	static int get_defversioninfo(char const * progname, char const * clienttag, unsigned int * versionid, unsigned int * gameversion, char const * * exeinfo, unsigned int * checksum)
112	{
113	if (strcmp(clienttag,CLIENTTAG_DIABLORTL)==0)
114	{
115	*versionid = CLIENT_VERSIONID_DRTL;
116	*gameversion = CLIENT_GAMEVERSION_DRTL;
117	*exeinfo = CLIENT_EXEINFO_DRTL;
118	*checksum = CLIENT_CHECKSUM_DRTL;
119	return 0;
120	}
121
122	if (strcmp(clienttag,CLIENTTAG_STARCRAFT)==0)
123	{
124	*versionid = CLIENT_VERSIONID_STAR;
125	*gameversion = CLIENT_GAMEVERSION_STAR;
126	*exeinfo = CLIENT_EXEINFO_STAR;
127	*checksum = CLIENT_CHECKSUM_STAR;
128	return 0;
129	}
130
131	if (strcmp(clienttag,CLIENTTAG_SHAREWARE)==0)
132	{
133	*versionid = CLIENT_VERSIONID_SSHR;
134	*gameversion = CLIENT_GAMEVERSION_SSHR;
135	*exeinfo = CLIENT_EXEINFO_SSHR;
136	*checksum = CLIENT_CHECKSUM_SSHR;
137	return 0;
138	}
139
140	if (strcmp(clienttag,CLIENTTAG_BROODWARS)==0)
141	{
142	*versionid = CLIENT_VERSIONID_SEXP;
143	*gameversion = CLIENT_GAMEVERSION_SEXP;
144	*exeinfo = CLIENT_EXEINFO_SEXP;
145	*checksum = CLIENT_CHECKSUM_SEXP;
146	return 0;
147	}
148
149	if (strcmp(clienttag,CLIENTTAG_WARCIIBNE)==0)
150	{
151	*versionid = CLIENT_VERSIONID_W2BN;
152	*gameversion = CLIENT_GAMEVERSION_W2BN;
153	*exeinfo = CLIENT_EXEINFO_W2BN;
154	*checksum = CLIENT_CHECKSUM_W2BN;
155	return 0;
156	}
157
158	if (strcmp(clienttag,CLIENTTAG_DIABLO2DV)==0)
159	{
160	*versionid = CLIENT_VERSIONID_D2DV;
161	*gameversion = CLIENT_GAMEVERSION_D2DV;
162	*exeinfo = CLIENT_EXEINFO_D2DV;
163	*checksum = CLIENT_CHECKSUM_D2DV;
164	return 0;
165	}
166
167	if (strcmp(clienttag,CLIENTTAG_DIABLO2XP)==0)
168	{
169	*versionid = CLIENT_VERSIONID_D2XP;
170	*gameversion = CLIENT_GAMEVERSION_D2XP;
171	*exeinfo = CLIENT_EXEINFO_D2XP;
172	*checksum = CLIENT_CHECKSUM_D2XP;
173	return 0;
174	}
175
176	if (strcmp(clienttag,CLIENTTAG_WARCRAFT3)==0 \|\|
177	strcmp(clienttag,CLIENTTAG_WAR3XP)==0)
178	{
179	*versionid = CLIENT_VERSIONID_WAR3;
180	*gameversion = CLIENT_GAMEVERSION_WAR3;
181	*exeinfo = CLIENT_EXEINFO_WAR3;
182	*checksum = CLIENT_CHECKSUM_WAR3;
183	return 0;
184	}
185
186	*versionid = 0;
187	*gameversion = 0;
188	*exeinfo = "";
189	*checksum = 0;
190
191	fprintf(stderr,"%s: unsupported clienttag \"%s\"\n",progname,clienttag);
192	// aaron: dunno what we should return in case of this.. but returning nothing was definetly wrong
193	return -1;
194	}
195
196
197	extern int client_connect(char const * progname, char const * servname, unsigned short servport, char const * cdowner, char const * cdkey, char const * clienttag, struct sockaddr_in * saddr, unsigned int * sessionkey, unsigned int * sessionnum, char const * archtag)
198	{
199	struct hostent * host;
200	char const * username;
201	int sd;
202	t_packet * packet;
203	t_packet * rpacket;
204	char compname[COMPNAMELEN];
205	int lsock;
206	unsigned short lsock_port;
207	unsigned int versionid;
208	unsigned int gameversion;
209	char const * exeinfo;
210	unsigned int checksum;
211
212	if (!progname)
213	{
214	fprintf(stderr,"got NULL progname\n");
215	return -1;
216	}
217	if (!saddr)
218	{
219	fprintf(stderr,"%s: got NULL saddr\n",progname);
220	return -1;
221	}
222	if (!sessionkey)
223	{
224	fprintf(stderr,"%s: got NULL sessionkey\n",progname);
225	return -1;
226	}
227	if (!sessionnum)
228	{
229	fprintf(stderr,"%s: got NULL sessionnum\n",progname);
230	return -1;
231	}
232
233	if (psock_init()<0)
234	{
235	fprintf(stderr,"%s: could not inialialize socket functions\n",progname);
236	return -1;
237	}
238
239	if (!(host = gethostbyname(servname)))
240	{
241	fprintf(stderr,"%s: unknown host \"%s\"\n",progname,servname);
242	return -1;
243	}
244	if (host->h_addrtype!=PSOCK_AF_INET)
245	fprintf(stderr,"%s: host \"%s\" is not in IPv4 address family\n",progname,servname);
246
247	if (gethostname(compname,COMPNAMELEN)<0)
248	{
249	fprintf(stderr,"%s: could not get host name (gethostname: %s)\n",progname,pstrerror(errno));
250	return -1;
251	}
252	#ifdef HAVE_GETLOGIN
253	if (!(username = getlogin()))
254	#endif
255	{
256	username = "unknown";
257	dprintf("%s: could not get login name, using \"%s\" (getlogin: %s)\n",progname,username,pstrerror(errno));
258	}
259
260	if ((sd = psock_socket(PSOCK_PF_INET,PSOCK_SOCK_STREAM,PSOCK_IPPROTO_TCP))<0)
261	{
262	fprintf(stderr,"%s: could not create socket (psock_socket: %s)\n",progname,pstrerror(psock_errno()));
263	return -1;
264	}
265
266	memset(saddr,0,sizeof(*saddr));
267	saddr->sin_family = PSOCK_AF_INET;
268	saddr->sin_port = htons(servport);
269	memcpy(&saddr->sin_addr.s_addr,host->h_addr_list[0],host->h_length);
270	if (psock_connect(sd,(struct sockaddr )saddr,sizeof(saddr))<0)
271	{
272	fprintf(stderr,"%s: could not connect to server \"%s\" port %hu (psock_connect: %s)\n",progname,servname,servport,pstrerror(psock_errno()));
273	goto error_sd;
274	}
275
276	printf("Connected to %s:%hu.\n",inet_ntoa(saddr->sin_addr),servport);
277
278	#ifdef CLIENTDEBUG
279	eventlog_set(stderr);
280	#endif
281
282	if ((lsock = client_udptest_setup(progname,&lsock_port))>=0)
283	dprintf("Got UDP data on port %hu\n",lsock_port);
284
285	if (!(packet = packet_create(packet_class_init)))
286	{
287	fprintf(stderr,"%s: could not create packet\n",progname);
288	goto error_lsock;
289	}
290	bn_byte_set(&packet->u.client_initconn.class,CLIENT_INITCONN_CLASS_BNET);
291	client_blocksend_packet(sd,packet);
292	packet_del_ref(packet);
293
294	/* reuse this same packet over and over */
295	if (!(rpacket = packet_create(packet_class_bnet)))
296	{
297	fprintf(stderr,"%s: could not create packet\n",progname);
298	goto error_lsock;
299	}
300
301	get_defversioninfo(progname,clienttag,&versionid,&gameversion,&exeinfo,&checksum);
302
303	if (strcmp(clienttag,CLIENTTAG_DIABLOSHR)==0 \|\|
304	strcmp(clienttag,CLIENTTAG_DIABLORTL)==0)
305	{
306	if (!(packet = packet_create(packet_class_bnet)))
307	{
308	fprintf(stderr,"%s: could not create packet\n",progname);
309	goto error_rpacket;
310	}
311	packet_set_size(packet,sizeof(t_client_unknown_1b));
312	packet_set_type(packet,CLIENT_UNKNOWN_1B);
313	bn_short_set(&packet->u.client_unknown_1b.unknown1,CLIENT_UNKNOWN_1B_UNKNOWN3);
314	bn_short_nset(&packet->u.client_unknown_1b.port,lsock_port);
315	bn_int_nset(&packet->u.client_unknown_1b.ip,0); /* FIXME */
316	bn_int_set(&packet->u.client_unknown_1b.unknown2,CLIENT_UNKNOWN_1B_UNKNOWN3);
317	bn_int_set(&packet->u.client_unknown_1b.unknown3,CLIENT_UNKNOWN_1B_UNKNOWN3);
318	client_blocksend_packet(sd,packet);
319	packet_del_ref(packet);
320	}
321
322	if (!(packet = packet_create(packet_class_bnet)))
323	{
324	fprintf(stderr,"%s: could not create packet\n",progname);
325	goto error_rpacket;
326	}
327	packet_set_size(packet,sizeof(t_client_countryinfo_109));
328	packet_set_type(packet,CLIENT_COUNTRYINFO_109);
329	bn_int_set(&packet->u.client_countryinfo_109.protocol,CLIENT_COUNTRYINFO_109_PROTOCOL);
330	bn_int_tag_set(&packet->u.client_countryinfo_109.archtag,archtag);
331	bn_int_tag_set(&packet->u.client_countryinfo_109.clienttag,clienttag);
332	//AARON
333
334	bn_int_set(&packet->u.client_countryinfo_109.versionid,versionid);
335	bn_int_set(&packet->u.client_countryinfo_109.gamelang,CLIENT_COUNTRYINFO_109_GAMELANG);
336	bn_int_set(&packet->u.client_countryinfo_109.localip,CLIENT_COUNTRYINFO_109_LOCALIP);
337	{
338	int bias;
339
340	bias = local_tzbias();
341
342	bn_int_set(&packet->u.client_countryinfo_109.bias,(unsigned int)bias); /* rely on 2's complement */
343	dprintf("my tzbias = %d (0x%08hx)\n",bias,(unsigned int)bias);
344	}
345	/* FIXME: determine from locale */
346	bn_int_set(&packet->u.client_countryinfo_109.lcid,CLIENT_COUNTRYINFO_109_LANGID_USENGLISH);
347	bn_int_set(&packet->u.client_countryinfo_109.langid,CLIENT_COUNTRYINFO_109_LANGID_USENGLISH);
348	packet_append_string(packet,CLIENT_COUNTRYINFO_109_LANGSTR_USENGLISH);
349	/* FIXME: determine from locale+timezone... from domain name... nothing really would
350	work. Maybe add some command-line options */
351	packet_append_string(packet,CLIENT_COUNTRYINFO_109_COUNTRYNAME_USA);
352	client_blocksend_packet(sd,packet);
353	packet_del_ref(packet);
354
355	do
356	if (client_blockrecv_packet(sd,rpacket)<0)
357	{
358	fprintf(stderr,"%s: server closed connection\n",progname);
359	goto error_rpacket;
360	}
361	while (packet_get_type(rpacket)!=SERVER_AUTHREQ_109 &&
362	packet_get_type(rpacket)!=SERVER_AUTHREPLY_109);
363
364	if (packet_get_type(rpacket)==SERVER_AUTHREQ_109) /* hmm... server wants to check the version number */
365	{
366	dprintf("Got AUTHREQ_109\n");
367	*sessionkey = bn_int_get(rpacket->u.server_authreq_109.sessionkey);
368	*sessionnum = bn_int_get(rpacket->u.server_authreq_109.sessionnum);
369	/* FIXME: also get filename and equation */
370
371	if (!(packet = packet_create(packet_class_bnet)))
372	{
373	fprintf(stderr,"%s: could not create packet\n",progname);
374	goto error_rpacket;
375	}
376	packet_set_size(packet,sizeof(t_client_authreq_109));
377	packet_set_type(packet,CLIENT_AUTHREQ_109);
378	bn_int_set(&packet->u.client_authreq_109.ticks,time(NULL));
379
380	{
381	t_cdkey_info cdkey_info;
382
383	bn_int_set(&packet->u.client_authreq_109.gameversion,gameversion);
384
385	bn_int_set(&packet->u.client_authreq_109.cdkey_number,1); /* only one */
386	memset(&cdkey_info,'0',sizeof(cdkey_info));
387	/* FIXME: put the input cdkey here */
388	packet_append_data(packet,&cdkey_info,sizeof(cdkey_info));
389	packet_append_string(packet,exeinfo);
390	packet_append_string(packet,cdowner);
391	}
392	bn_int_set(&packet->u.client_authreq_109.spawn,0x0000);
393	bn_int_set(&packet->u.client_authreq_109.checksum,checksum);
394	client_blocksend_packet(sd,packet);
395	packet_del_ref(packet);
396
397	/* now wait for reply */
398	do
399	if (client_blockrecv_packet(sd,rpacket)<0)
400	{
401	fprintf(stderr,"%s: server closed connection\n",progname);
402	goto error_rpacket;
403	}
404	while (packet_get_type(rpacket)!=SERVER_AUTHREPLY_109);
405	//FIXME: check if AUTHREPLY_109 is success or fail
406	if (bn_int_get(rpacket->u.server_authreply_109.message)!=SERVER_AUTHREPLY_109_MESSAGE_OK)
407	{
408	fprintf(stderr,"AUTHREPLY_109 failed - closing connection\n");
409	goto error_rpacket;
410	}
411	}
412	else
413	fprintf(stderr,"We didn't get a sessionkey, don't expect login to work!");
414	dprintf("Got AUTHREPLY_109\n");
415
416	if (!(packet = packet_create(packet_class_bnet)))
417	{
418	fprintf(stderr,"%s: could not create packet\n",progname);
419	goto error_rpacket;
420	}
421	packet_set_size(packet,sizeof(t_client_iconreq));
422	packet_set_type(packet,CLIENT_ICONREQ);
423	client_blocksend_packet(sd,packet);
424	packet_del_ref(packet);
425
426	do
427	if (client_blockrecv_packet(sd,rpacket)<0)
428	{
429	fprintf(stderr,"%s: server closed connection\n",progname);
430	goto error_rpacket;
431	}
432	while (packet_get_type(rpacket)!=SERVER_ICONREPLY);
433	dprintf("Got ICONREPLY\n");
434
435	if (strcmp(clienttag,CLIENTTAG_STARCRAFT)==0 \|\|
436	strcmp(clienttag,CLIENTTAG_BROODWARS)==0 \|\|
437	strcmp(clienttag,CLIENTTAG_WARCIIBNE)==0)
438	{
439	if (!(packet = packet_create(packet_class_bnet)))
440	{
441	fprintf(stderr,"%s: could not create packet\n",progname);
442	goto error_rpacket;
443	}
444
445	{
446	struct
447	{
448	bn_int sessionkey;
449	bn_int ticks;
450	bn_int productid;
451	bn_int keyvalue1;
452	bn_int keyvalue2;
453	} temp;
454	t_hash key_hash;
455	unsigned int ticks;
456	unsigned int keyvalue1,keyvalue2,productid;
457
458	if (key_interpret(cdkey,&productid,&keyvalue1,&keyvalue2)<0)
459	{
460	fprintf(stderr,"%s: specified key is not valid, sending junk\n",progname);
461	productid = 0;
462	keyvalue1 = 0;
463	keyvalue2 = 0;
464	}
465
466	ticks = 0; /* FIXME: what to use here? */
467	bn_int_set(&temp.ticks,ticks);
468	bn_int_set(&temp.sessionkey,*sessionkey);
469	bn_int_set(&temp.productid,productid);
470	bn_int_set(&temp.keyvalue1,keyvalue1);
471	bn_int_set(&temp.keyvalue2,keyvalue2);
472	bnet_hash(&key_hash,sizeof(temp),&temp);
473
474	packet_set_size(packet,sizeof(t_client_cdkey2));
475	packet_set_type(packet,CLIENT_CDKEY2);
476	bn_int_set(&packet->u.client_cdkey2.spawn,CLIENT_CDKEY2_SPAWN_FALSE); /* FIXME: add option */
477	bn_int_set(&packet->u.client_cdkey2.keylen,strlen(cdkey));
478	bn_int_set(&packet->u.client_cdkey2.productid,productid);
479	bn_int_set(&packet->u.client_cdkey2.keyvalue1,keyvalue1);
480	bn_int_set(&packet->u.client_cdkey2.sessionkey,*sessionkey);
481	bn_int_set(&packet->u.client_cdkey2.ticks,ticks);
482	hash_to_bnhash((t_hash const )&key_hash,packet->u.client_cdkey2.key_hash); / avoid warning */
483	packet_append_string(packet,cdowner);
484	client_blocksend_packet(sd,packet);
485	packet_del_ref(packet);
486	}
487
488	do
489	if (client_blockrecv_packet(sd,rpacket)<0)
490	{
491	fprintf(stderr,"%s: server closed connection\n",progname);
492	goto error_rpacket;
493	}
494	while (packet_get_type(rpacket)!=SERVER_CDKEYREPLY2);
495	dprintf("Got CDKEYREPLY2 (%u)\n",bn_int_get(rpacket->u.server_cdkeyreply2.message));
496	}
497
498	packet_destroy(rpacket);
499	return sd;
500
501	/* error cleanup */
502
503	error_rpacket:
504
505	packet_destroy(rpacket);
506
507	error_lsock:
508
509	if (lsock>=0)
510	psock_close(lsock);
511
512	error_sd:
513
514	psock_close(sd);
515
516	return -1;
517	}
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