umonitor.c 13.6 KB
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#include "sockwrap.h"
#include <poll.h>
#include <termios.h>
#include <sys/un.h>
#include <stdio.h>
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#include <unistd.h>
#include "conwrap.h"
#include "uifc.h"
#include "sbbsdefs.h"
#include "genwrap.h"	/* stricmp */
#include "filewrap.h"	/* lock/unlock/sopen */
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#include "sockwrap.h"
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enum {
	 MODE_LIST
	,MODE_ANON
	,MODE_LOCK
	,MODE_INTR
	,MODE_RRUN
	,MODE_DOWN
	,MODE_EVENT
	,MODE_NOPAGE
	,MODE_NOALERTS
	,MODE_STATUS
	,MODE_USERON
	,MODE_ACTION
	,MODE_ERRORS
	,MODE_MISC
	,MODE_CONN
	,MODE_AUX
	,MODE_EXTAUX
	};

/********************/
/* Global Variables */
/********************/
uifcapi_t uifc; /* User Interface (UIFC) Library API */
char tmp[256];
int nodefile;

void bail(int code)
{
    if(code) {
        puts("\nHit a key...");
        getch(); 
	}
    uifc.bail();

    exit(code);
}

void allocfail(uint size)
{
    printf("\7Error allocating %u bytes of memory.\n",size);
    bail(1);
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}

void spyon(char *sockname)  {
	SOCKET		spy_sock=INVALID_SOCKET;
	struct sockaddr_un spy_name;
	socklen_t	spy_len;
	char		key;
	char		buf[1];
	int		i;
	struct	termios	tio;
	struct	termios	old_tio;
	struct pollfd pset[2];
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	BOOL	b;
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	/* ToDo Test for it actually being a socket! */
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	/* Well, it will fail to connect won't it?   */

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	if((spy_sock=socket(PF_LOCAL,SOCK_STREAM,0))==INVALID_SOCKET)  {
		printf("ERROR %d creating local spy socket", errno);
		return;
	}
	
	spy_name.sun_family=AF_LOCAL;
	SAFECOPY(spy_name.sun_path,sockname);
	spy_len=SUN_LEN(&spy_name);
	if(connect(spy_sock,(struct sockaddr *)&spy_name,spy_len))  {
		return;
	}
	i=1;

	tcgetattr(STDIN_FILENO,&old_tio);
	tcgetattr(STDIN_FILENO,&tio);
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	cfmakeraw(&tio);
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	tcsetattr(STDIN_FILENO,TCSANOW,&tio);
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	printf("\r\n\r\nLocal spy mode... press CTRL-C to return to monitor\r\n\r\n");
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	pset[0].fd=STDIN_FILENO;
	pset[0].events=POLLIN;
	pset[1].fd=spy_sock;
	pset[1].events=POLLIN;
	while(spy_sock!=INVALID_SOCKET)  {
		if((poll(pset,2,INFTIM))<0)  {
			close(spy_sock);
			spy_sock=INVALID_SOCKET;
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			break;
		}
		if(!socket_check(spy_sock,NULL,&b,0)) {
			close(spy_sock);
			spy_sock=INVALID_SOCKET;
			break;
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		}
		if(pset[0].revents)  {
			if(pset[0].revents&(POLLNVAL|POLLHUP|POLLERR))  {
				close(spy_sock);
				spy_sock=INVALID_SOCKET;
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				break;
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			}
			else  {
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				if((i=read(STDIN_FILENO,&key,1))==1)  {
					/* Check for control keys */
					switch(key)  {
						case CTRL('c'):
							close(spy_sock);
							spy_sock=INVALID_SOCKET;
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							break;
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						default:
							write(spy_sock,&key,1);
					}
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				}
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				else if(i<0) {
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					close(spy_sock);
					spy_sock=INVALID_SOCKET;
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					break;
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				}
			}
		}
		if(pset[1].revents)  {
			if(pset[1].revents&(POLLNVAL|POLLHUP|POLLERR))  {
				close(spy_sock);
				spy_sock=INVALID_SOCKET;
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				break;
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			}
			else  {
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				if((i=read(spy_sock,&buf,1))==1)  {
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					write(STDOUT_FILENO,buf,1);
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				}
				else if(i<0) {
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					close(spy_sock);
					spy_sock=INVALID_SOCKET;
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					break;
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				}
			}
		}
	}
	tcsetattr(STDIN_FILENO,TCSANOW,&old_tio);
}

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char* itoa(int val, char* str, int radix)
{
	switch(radix) {
		case 8:
			sprintf(str,"%o",val);
			break;
		case 10:
			sprintf(str,"%u",val);
			break;
		case 16:
			sprintf(str,"%x",val);
			break;
		default:
			sprintf(str,"bad radix: %d",radix);
			break;
	}
	return(str);
}

/****************************************************************************/
/* Unpacks the password 'pass' from the 5bit ASCII inside node_t. 32bits in */
/* node.extaux, and the other 8bits in the upper byte of node.aux			*/
/****************************************************************************/
char *unpackchatpass(char *pass, node_t node)
{
	char 	bits;
	int 	i;

	pass[0]=(node.aux&0x1f00)>>8;
	pass[1]=(char)(((node.aux&0xe000)>>13)|((node.extaux&0x3)<<3));
	bits=2;
	for(i=2;i<8;i++) {
		pass[i]=(char)((node.extaux>>bits)&0x1f);
		bits+=5; }
	pass[8]=0;
	for(i=0;i<8;i++)
		if(pass[i])
			pass[i]+=64;
	return(pass);
}

/******************************************************************************************/
/* Returns the information for node number 'number' contained in 'node' into string 'str' */
/******************************************************************************************/
char *nodedat(char *str, int number, node_t node)
{
    char hour,mer[3];
	char buf[1024];

	sprintf(str,"Node %2d: ",number);
	switch(node.status) {
		case NODE_WFC:
			strcat(str,"Waiting for call");
			break;
		case NODE_OFFLINE:
			strcat(str,"Offline");
			break;
		case NODE_NETTING:
			strcat(str,"Networking");
			break;
		case NODE_LOGON:
			strcat(str,"At logon prompt");
			break;
		case NODE_EVENT_WAITING:
			strcat(str,"Waiting for all nodes to become inactive");
			break;
		case NODE_EVENT_LIMBO:
			sprintf(buf,"Waiting for node %d to finish external event",node.aux);
			strcat(str,buf);
			break;
		case NODE_EVENT_RUNNING:
			strcat(str,"Running external event");
			break;
		case NODE_NEWUSER:
			strcat(str,"New user");
			strcat(str," applying for access ");
			if(!node.connection)
				strcat(str,"locally");
			else if(node.connection==0xffff)
				strcat(str,"via telnet");
			else {
				sprintf(buf,"at %ubps",node.connection);
				strcat(str,buf); }
			break;
		case NODE_QUIET:
		case NODE_INUSE:
			sprintf(buf,"User #%d",node.useron);
			strcat(str,buf);
			strcat(str," ");
			switch(node.action) {
				case NODE_MAIN:
					strcat(str,"at main menu");
					break;
				case NODE_RMSG:
					strcat(str,"reading messages");
					break;
				case NODE_RMAL:
					strcat(str,"reading mail");
					break;
				case NODE_RSML:
					strcat(str,"reading sent mail");
					break;
				case NODE_RTXT:
					strcat(str,"reading text files");
					break;
				case NODE_PMSG:
					strcat(str,"posting message");
					break;
				case NODE_SMAL:
					strcat(str,"sending mail");
					break;
				case NODE_AMSG:
					strcat(str,"posting auto-message");
					break;
				case NODE_XTRN:
					if(!node.aux)
						strcat(str,"at external program menu");
					else
						sprintf(buf,"running external program #%d",node.aux);
						strcat(str,buf);
					break;
				case NODE_DFLT:
					strcat(str,"changing defaults");
					break;
				case NODE_XFER:
					strcat(str,"at transfer menu");
					break;
				case NODE_RFSD:
					sprintf(buf,"retrieving from device #%d",node.aux);
					strcat(str,buf);
					break;
				case NODE_DLNG:
					strcat(str,"downloading");
					break;
				case NODE_ULNG:
					strcat(str,"uploading");
					break;
				case NODE_BXFR:
					strcat(str,"transferring bidirectional");
					break;
				case NODE_LFIL:
					strcat(str,"listing files");
					break;
				case NODE_LOGN:
					strcat(str,"logging on");
					break;
				case NODE_LCHT:
					strcat(str,"in local chat with sysop");
					break;
				case NODE_MCHT:
					if(node.aux) {
						sprintf(buf,"in multinode chat channel %d",node.aux&0xff);
						strcat(str,buf);
						if(node.aux&0x1f00) { /* password */
							strcat(str,"*");
							sprintf(buf," %s",unpackchatpass(tmp,node));
							strcat(str,buf); } }
					else
						strcat(str,"in multinode global chat channel");
					break;
				case NODE_PAGE:
					sprintf(buf,"paging node %u for private chat",node.aux);
					strcat(str,buf);
					break;
				case NODE_PCHT:
					sprintf(buf,"in private chat with node %u",node.aux);
					strcat(str,buf);
					break;
				case NODE_GCHT:
					strcat(str,"chatting with The Guru");
					break;
				case NODE_CHAT:
					strcat(str,"in chat section");
					break;
				case NODE_TQWK:
					strcat(str,"transferring QWK packet");
					break;
				case NODE_SYSP:
					strcat(str,"performing sysop activities");
					break;
				default:
					sprintf(buf,itoa(node.action,tmp,10));
					strcat(str,buf);
					break;  }
			if(!node.connection)
				strcat(str," locally");
			else if(node.connection==0xffff)
				strcat(str," via telnet");
			else {
				sprintf(buf," at %ubps",node.connection);
				strcat(str,buf); }
			if(node.action==NODE_DLNG) {
				if((node.aux/60)>=12) {
					if(node.aux/60==12)
						hour=12;
					else
						hour=(node.aux/60)-12;
					strcpy(mer,"pm"); }
				else {
					if((node.aux/60)==0)    /* 12 midnite */
						hour=12;
					else hour=node.aux/60;
					strcpy(mer,"am"); }
				sprintf(buf," ETA %02d:%02d %s"
					,hour,node.aux-((node.aux/60)*60),mer); 
				strcat(str,buf); }
			break; }
	if(node.misc&(NODE_LOCK|NODE_POFF|NODE_AOFF|NODE_MSGW|NODE_NMSG)) {
		strcat(str," (");
		if(node.misc&NODE_AOFF)
			strcat(str,"A");
		if(node.misc&NODE_LOCK)
			strcat(str,"L");
		if(node.misc&(NODE_MSGW|NODE_NMSG))
			strcat(str,"M");
		if(node.misc&NODE_POFF)
			strcat(str,"P");
		strcat(str,")"); }
	if(((node.misc
		&(NODE_ANON|NODE_UDAT|NODE_INTR|NODE_RRUN|NODE_EVENT|NODE_DOWN))
		|| node.status==NODE_QUIET)) {
		strcat(str," [");
		if(node.misc&NODE_ANON)
			strcat(str,"A");
		if(node.misc&NODE_INTR)
			strcat(str,"I");
		if(node.misc&NODE_RRUN)
			strcat(str,"R");
		if(node.misc&NODE_UDAT)
			strcat(str,"U");
		if(node.status==NODE_QUIET)
			strcat(str,"Q");
		if(node.misc&NODE_EVENT)
			strcat(str,"E");
		if(node.misc&NODE_DOWN)
			strcat(str,"D");
		if(node.misc&NODE_LCHAT)
			strcat(str,"C");
		strcat(str,"]"); }
	if(node.errors) {
		sprintf(buf," %d error%c",node.errors, node.errors>1 ? 's' : '\0' );
		strcat(str,buf); }
	return(str);
}

/****************************************************************************/
/* Reads the data for node number 'number' into the structure 'node'        */
/* from NODE.DAB															*/
/* if lockit is non-zero, locks this node's record. putnodedat() unlocks it */
/****************************************************************************/
void getnodedat(int number, node_t *node, int lockit)
{
	int count;
	char	msg[80];

	number--;	/* make zero based */
	for(count=0;count<LOOP_NODEDAB;count++) {
		if(count)
			SLEEP(100);
		lseek(nodefile,(long)number*sizeof(node_t),SEEK_SET);
		if(lockit
			&& lock(nodefile,(long)number*sizeof(node_t),sizeof(node_t))==-1) 
			continue; 
		if(read(nodefile,node,sizeof(node_t))==sizeof(node_t))
			break;
	}
	if(count>=(LOOP_NODEDAB/2)) {
		sprintf(msg,"NODE.DAB (node %d) COLLISION (READ) - Count: %d\n"
			,number+1, count); 
		uifc.msg(msg); }
	else if(count==LOOP_NODEDAB) {
		sprintf(msg,"!Error reading nodefile for node %d\n",number+1);
		uifc.msg(msg); }
}

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int main(int argc, char** argv)  {
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	char**	opt;
	char**	mopt;
	int		main_dflt=0;
	int		main_bar=0;
	BOOL    door_mode=FALSE;
	int		dist=0;
	int		server=0;
	char revision[16];
	char str[256],ctrl_dir[41],*p,debug=0;
	int sys_nodes,node_num=0,onoff=0;
	int i,j,mode=0,misc;
	int	modify=0;
	int loop=0;
	long value=0;
	node_t node;

	sscanf("$Revision$", "%*s %s", revision);
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    printf("\nSynchronet UNIX Monitor %s-%s  Copyright 2003 "
        "Rob Swindell\n",revision,PLATFORM_DESC);

	p=getenv("SBBSCTRL");
	if(p==NULL) {
		printf("\7\nSBBSCTRL environment variable is not set.\n");
		printf("This environment variable must be set to your CTRL directory.");
		printf("\nExample: SET SBBSCTRL=/sbbs/ctrl\n");
		exit(1); }

	sprintf(ctrl_dir,"%.40s",p);
	if(ctrl_dir[strlen(ctrl_dir)-1]!='\\'
		&& ctrl_dir[strlen(ctrl_dir)-1]!='/')
		strcat(ctrl_dir,"/");

	sprintf(str,"%snode.dab",ctrl_dir);
	if((nodefile=sopen(str,O_RDWR|O_BINARY,SH_DENYNO))==-1) {
		printf("\7\nError %d opening %s.\n",errno,str);
		exit(1); }

	sys_nodes=filelength(nodefile)/sizeof(node_t);
	if(!sys_nodes) {
		printf("%s reflects 0 nodes!\n",str);
		exit(1); }

    memset(&uifc,0,sizeof(uifc));

	uifc.esc_delay=500;

	for(i=1;i<argc;i++) {
        if(argv[i][0]=='-'
            )
            switch(toupper(argv[i][1])) {
                case 'C':
        			uifc.mode|=UIFC_COLOR;
                    break;
                case 'L':
                    uifc.scrn_len=atoi(argv[i]+2);
                    break;
                case 'E':
                    uifc.esc_delay=atoi(argv[i]+2);
                    break;
				case 'I':
					uifc.mode|=UIFC_IBM;
					break;
                default:
                    printf("\nusage: %s [ctrl_dir] [options]"
                        "\n\noptions:\n\n"
                        "-c  =  force color mode\n"
#ifdef USE_CURSES
                        "-e# =  set escape delay to #msec\n"
						"-i  =  force IBM charset\n"
#endif
                        "-l# =  set screen lines to #\n"
						,argv[0]
                        );
        			exit(0);
           }
    }

	uifc.size=sizeof(uifc);
	i=uifcinic(&uifc);  /* curses */
	if(i!=0) {
		printf("uifc library init returned error %d\n",i);
		exit(1);
	}

	if((opt=(char **)MALLOC(sizeof(char *)*(MAX_OPTS+1)))==NULL)
		allocfail(sizeof(char *)*(MAX_OPTS+1));
	for(i=0;i<(MAX_OPTS+1);i++)
		if((opt[i]=(char *)MALLOC(MAX_OPLN))==NULL)
			allocfail(MAX_OPLN);

	if((mopt=(char **)MALLOC(sizeof(char *)*MAX_OPTS))==NULL)
		allocfail(sizeof(char *)*MAX_OPTS);
	for(i=0;i<MAX_OPTS;i++)
		if((mopt[i]=(char *)MALLOC(MAX_OPLN))==NULL)
			allocfail(MAX_OPLN);

	sprintf(str,"Synchronet UNIX Monitor %s-%s",revision,PLATFORM_DESC);
	if(uifc.scrn(str)) {
		printf(" USCRN (len=%d) failed!\n",uifc.scrn_len+1);
		bail(1);
	}

	while(1) {
		for(i=1;i<=sys_nodes;i++) {
			getnodedat(i,&node,0);
			nodedat(mopt[i-1],i,node);
		}
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		mopt[i-1][0]=0;
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		uifc.helpbuf=	"`Synchronet Monitor:`\n"
						"\nToDo: Add help.";
						
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		j=uifc.list(WIN_ORG|WIN_MID|WIN_ESC|WIN_DYN,0,0,70,&main_dflt,&main_bar
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			,str,mopt);
		if(j==-2)
			continue;

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		if(j==-1) {
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			i=0;
			strcpy(opt[0],"Yes");
			strcpy(opt[1],"No");
			opt[2][0]=0;
			uifc.helpbuf=	"`Exit Synchronet UNIX Monitor:`\n"
							"\n"
							"\nIf you want to exit the Synchronet UNIX monitor utility,"
							"\nselect `Yes`. Otherwise, select `No` or hit ~ ESC ~.";
			i=uifc.list(WIN_MID,0,0,0,&i,0,"Exit Synchronet Install",opt);
			if(!i)
				bail(0);
			continue;
		}
		if(j<sys_nodes && j>=0) {
			snprintf(str,sizeof(str),"%slocalspy%d.sock", ctrl_dir, j+1);
			endwin();
			spyon(str);
			refresh();
		}
	}
568
}