/* * Copyright (C) 1999,2001  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 HAVE_STDDEF_H# include <stddef.h>#else# ifndef NULL#  define NULL ((void *)0)# endif#endif#ifdef STDC_HEADERS# include <stdlib.h>#endif#include "compat/exitstatus.h"#ifdef HAVE_STRING_H# include <string.h>#else# ifdef HAVE_STRINGS_H#  include <strings.h># endif#endif#ifdef HAVE_MEMORY_H# include <memory.h>#endif#include "compat/memset.h"#include "compat/memcpy.h"#include <ctype.h>#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#include "compat/strftime.h"#ifdef HAVE_UNISTD_H# include <unistd.h>#endif#ifdef HAVE_TERMIOS_H# include <termios.h>#endif#include "compat/termios.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"#include "compat/send.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#ifdef HAVE_SYS_STAT_H# include <sys/stat.h>#endif#include "compat/psock.h"#include "common/packet.h"#include "common/init_protocol.h"#include "common/file_protocol.h"#include "common/tag.h"#include "common/bn_type.h"#include "common/field_sizes.h"#include "common/network.h"#include "common/version.h"#include "common/util.h"#include "common/bnettime.h"#ifdef CLIENTDEBUG#include "common/eventlog.h"#endif#include "common/hexdump.h"#include "client.h"#include "common/xalloc.h"#include "common/setup_after.h"static void usage(char const * progname);static void usage(char const * progname){    fprintf(stderr,"usage: %s [<options>] [<servername> [<TCP portnumber>]]\n",progname);    fprintf(stderr,            "    -b, --client=SEXP           report client as Brood Wars\n"            "    -d, --client=DRTL           report client as Diablo Retail\n"            "    --client=DSHR               report client as Diablo Shareware\n"            "    -s, --client=STAR           report client as Starcraft (default)\n");    fprintf(stderr,	    "    --client=SSHR               report client as Starcraft Shareware\n"	    "    -w, --client=W2BN           report client as Warcraft II BNE\n"            "    --client=D2DV               report client as Diablo II\n"            "    --client=D2XP               report client as Diablo II: LoD\n"            "    --client=WAR3               report client as Warcraft III\n"            "    --client=W3XP               report client as Warcraft III: FT\n"            "    --hexdump=FILE              do hex dump of packets into FILE\n");    fprintf(stderr,	    "    --arch=IX86                 report architecture as Windows (x86)\n"	    "    --arch=PMAC                 report architecture as Macintosh\n"	    "    --arch=XMAC                 report architecture as Macintosh OSX\n"	    );    fprintf(stderr,	    "    --startoffset=OFFSET        force offset to be OFFSET\n"	    "    --exists=ACTION             Ask/Overwrite/Backup/Resume if the file exists\n"	    "    --file=FILENAME             use FILENAME instead of asking\n"            "    -h, --help, --usage         show this information and exit\n"            "    -v, --version               print version number and exit\n");    exit(STATUS_FAILURE);}extern int main(int argc, char * argv[]){    int                a;    int                sd;    struct sockaddr_in saddr;    t_packet *         packet;    t_packet *         rpacket;    t_packet *         fpacket;    char const *       clienttag=NULL;    char const *       archtag=NULL;    char const *       servname=NULL;    unsigned short     servport=0;    char const *       hexfile=NULL;    char               text[MAX_MESSAGE_LEN];    char const *       reqfile=NULL;    struct hostent *   host;    unsigned int       commpos;    struct termios     in_attr_old;    struct termios     in_attr_new;    int                changed_in;    unsigned int       currsize;    unsigned int       filelen;    unsigned int       startoffset;    int                startoffsetoverride=0;#define EXIST_ACTION_UNSPEC    -1#define EXIST_ACTION_ASK        0#define EXIST_ACTION_OVERWRITE  1#define EXIST_ACTION_BACKUP     2#define EXIST_ACTION_RESUME     3     int		       exist_action=EXIST_ACTION_UNSPEC;    struct stat        exist_buf;    char const *       filename;    FILE *             fp;    FILE *             hexstrm=NULL;    int                fd_stdin;    t_bnettime         bntime;    time_t             tm;    char               timestr[FILE_TIME_MAXLEN];    unsigned int       screen_width,screen_height;    int                munged;    unsigned int       newproto = 0;    if (argc<1 || !argv || !argv[0])    {	fprintf(stderr,"bad arguments\n");	return STATUS_FAILURE;    }        for (a=1; a<argc; a++)	if (servname && isdigit((int)argv[a][0]) && a+1>=argc)	{            if (str_to_ushort(argv[a],&servport)<0)            {                fprintf(stderr,"%s: \"%s\" should be a positive integer\n",argv[0],argv[a]);                usage(argv[0]);            }	}	else if (!servname && argv[a][0]!='-' && a+2>=argc)	    servname = argv[a];        else if (strcmp(argv[a],"-b")==0 || strcmp(argv[a],"--client=SEXP")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_BROODWARS;        }        else if (strcmp(argv[a],"-d")==0 || strcmp(argv[a],"--client=DRTL")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_DIABLORTL;        }        else if (strcmp(argv[a],"--client=DSHR")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_DIABLOSHR;        }        else if (strcmp(argv[a],"-s")==0 || strcmp(argv[a],"--client=STAR")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_STARCRAFT;        }        else if (strcmp(argv[a],"--client=SSHR")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_SHAREWARE;        }	else if (strcmp(argv[a],"-w")==0 || strcmp(argv[a],"--client=W2BN")==0)	{            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_WARCIIBNE;	}        else if (strcmp(argv[a],"--client=D2DV")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_DIABLO2DV;        }        else if (strcmp(argv[a],"--client=D2XP")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_DIABLO2XP;        }        else if (strcmp(argv[a],"--client=WAR3")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_WARCRAFT3;	    newproto = 1;        }        else if (strcmp(argv[a],"--client=W3XP")==0)        {            if (clienttag)            {                fprintf(stderr,"%s: client type was already specified as \"%s\"\n",argv[0],clienttag);                usage(argv[0]);            }            clienttag = CLIENTTAG_WAR3XP;	    newproto = 1;        }        else if (strncmp(argv[a],"--client=",9)==0)        {            fprintf(stderr,"%s: unknown client tag \"%s\"\n",argv[0],&argv[a][9]);            usage(argv[0]);        }        else if (strcmp(argv[a],"--arch=IX86")==0)        {            if (archtag)            {                fprintf(stderr,"%s: architecture type was already specified as \"%s\"\n",argv[0],archtag);                usage(argv[0]);            }            archtag = ARCHTAG_WINX86;        }        else if (strcmp(argv[a],"--arch=PMAC")==0)        {            if (archtag)            {                fprintf(stderr,"%s: architecture type was already specified as \"%s\"\n",argv[0],archtag);                usage(argv[0]);            }            archtag = ARCHTAG_MACPPC;        }        else if (strcmp(argv[a],"--arch=XMAC")==0)        {            if (archtag)            {                fprintf(stderr,"%s: architecture type was already specified as \"%s\"\n",argv[0],archtag);                usage(argv[0]);            }            archtag = ARCHTAG_OSXPPC;        }        else if (strncmp(argv[a],"--arch=",9)==0)        {            fprintf(stderr,"%s: unknown architecture tag \"%s\"\n",argv[0],&argv[a][9]);            usage(argv[0]);        }	else if (strncmp(argv[a],"--hexdump=",10)==0)	{	    if (hexfile)	    {		fprintf(stderr,"%s: hexdump file was already specified as \"%s\"\n",argv[0],hexfile);		usage(argv[0]);	    }	    hexfile = &argv[a][10];	}	else if (strncmp(argv[a],"--startoffset=",14)==0)	{	    if (startoffsetoverride)	    {		fprintf(stderr,"%s: startoffset was already specified as %u\n",argv[0],startoffset);		usage(argv[0]);	    }            if (str_to_uint(&argv[a][14],&startoffset)<0)            {                fprintf(stderr,"%s: startoffset \"%s\" should be a positive integer\n",argv[0],&argv[a][14]);                usage(argv[0]);            }	    startoffsetoverride = 1;	}	else if (strncmp(argv[a],"--exists=",9)==0)	{	    if (exist_action!=EXIST_ACTION_UNSPEC)	    {		fprintf(stderr,"%s: exists was already specified\n",argv[0]);		usage(argv[0]);	    }	    if (argv[a][9]=='o' || argv[a][9]=='O')	    	exist_action = EXIST_ACTION_OVERWRITE;	    else if (argv[a][9]=='a' || argv[a][9]=='A')	    	exist_action = EXIST_ACTION_ASK;	    else if (argv[a][9]=='b' || argv[a][9]=='B')	    	exist_action = EXIST_ACTION_BACKUP;	    else if (argv[a][9]=='r' || argv[a][9]=='R')	    	exist_action = EXIST_ACTION_RESUME;	    else {		fprintf(stderr,"%s: exists must begin with a,A,o,O,b,B,r or R",argv[0]);		usage(argv[0]);	    }	}	else if (strncmp(argv[a],"--file=",7)==0)	{	    if (reqfile)	    {		fprintf(stderr,"%s: file was already specified as \"%s\"\n",argv[0],reqfile);		usage(argv[0]);	    }	    reqfile = &argv[a][7];	}	else if (strcmp(argv[a],"-v")==0 || strcmp(argv[a],"--version")==0)	{            printf("version "PVPGN_VERSION"\n");            return 0;	}	else if (strcmp(argv[a],"-h")==0 || strcmp(argv[a],"--help")==0 || strcmp(argv[a],"--usage")==0)            usage(argv[0]);        else if (strcmp(argv[a],"--client")==0 || strcmp(argv[a],"--hexdump")==0)        {            fprintf(stderr,"%s: option \"%s\" requires an argument\n",argv[0],argv[a]);            usage(argv[0]);        }	else	{	    fprintf(stderr,"%s: unknown option \"%s\"\n",argv[0],argv[a]);	    usage(argv[0]);	}        if (servport==0)        servport = BNETD_SERV_PORT;    if (!clienttag)        clienttag = CLIENTTAG_STARCRAFT;    if (!archtag)        archtag = ARCHTAG_WINX86;    if (!servname)	servname = BNETD_DEFAULT_HOST;    if (exist_action==EXIST_ACTION_UNSPEC)	exist_action = EXIST_ACTION_ASK;        if (hexfile)    {	if (!(hexstrm = fopen(hexfile,"w")))	    fprintf(stderr,"%s: could not open file \"%s\" for writing the hexdump (fopen: %s)",argv[0],hexfile,pstrerror(errno));	else	  { fprintf(hexstrm,"# dump generated by bnftp version "PVPGN_VERSION"\n"); }    }        if (psock_init()<0)    {        fprintf(stderr,"%s: could not inialialize socket functions\n",argv[0]);        return STATUS_FAILURE;    }        if (!(host = gethostbyname(servname)))    {	fprintf(stderr,"%s: unknown host \"%s\"\n",argv[0],servname);	return STATUS_FAILURE;    }        fd_stdin = fileno(stdin);    if (tcgetattr(fd_stdin,&in_attr_old)>=0)    {        in_attr_new = in_attr_old;        in_attr_new.c_lflag &= ~(ECHO | ICANON); /* turn off ECHO and ICANON */	in_attr_new.c_cc[VMIN]  = 1; /* require reads to return at least one byte */        in_attr_new.c_cc[VTIME] = 0; /* no timeout */        tcsetattr(fd_stdin,TCSANOW,&in_attr_new);        changed_in = 1;    }    else    {	fprintf(stderr,"%s: could not get terminal attributes for stdin\n",argv[0]);	changed_in = 0;    }        if (client_get_termsize(fd_stdin,&screen_width,&screen_height)<0)