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/*
*
* $Id: spy.c,v 1.1.1.1 1996/02/09 01:43:16 kevin Exp $
*/
#include "spy.h"
#ifdef __STDC__
int
KoalaSpy_SendPacket(char *host, /* 0 -> SPY_HOST */
int port, /* 0 -> SPY_PORT */
char *progName, /* defines the log file */
char *origin, /* 0 -> hostname */
char *msg)
#else /* !__STDC__ */
KoalaSpy_SendPacket(host, port, progName, origin, msg)
char *host;
int port;
char *progName;
char *origin;
char *msg;
#endif /* !__STDC__ */
{
#ifndef NO_KOALA_SPY
/*
char *host = SPY_HOST;
int port = SPY_PORT;
*/
int rc;
struct servent *sp;
struct sockaddr_in sin;
struct hostent *h;
int sock = 0;
int flags = 0;
if (getenv("NO_KOALA_SPY")) {
return 0;
}
/* getting hostname */
if (!(h = gethostbyname(host ? host : SPY_HOST))) {
return 1;
}
/* creating a socket */
if ((sock = socket (AF_INET, SOCK_DGRAM, 0)) < 0) {
return 2;
}
memset(&sin, 0, sizeof (sin));
sin.sin_family = AF_INET;
/* providing host server identity */
memcpy(&sin.sin_addr, h->h_addr, h->h_length);
/* affecting the port number of the server to the sin structure */
sin.sin_port = htons(port ? port : SPY_PORT);
/* connect to the server */
#if defined(linux) || defined(SVR4)
rc = connect (sock, (struct sockaddr *) &sin, sizeof (sin));
#else
rc = connect (sock, &sin, sizeof (sin));
#endif
if (rc < 0) {
return 3;
}
/* Make all sockets blocking */
fcntl(sock, F_GETFL, &flags);
flags &= ~O_NDELAY;
fcntl(sock, F_SETFL, flags);
/*
** Sending the string
*/
{
unsigned char buf[SPY_PACKET_SIZE], h[256];
int index;
int msgLen; /* left = msgLen + 2 */
if (! origin)
gethostname(h, 256);
else
strncpy(h, origin, 256);
h[255] = '\0';
/* create message */
sprintf(buf, "XXX%s %s : ", progName, h);
msgLen = strlen(buf);
strncpy(buf + msgLen, msg, SPY_PACKET_SIZE - msgLen - 1);
buf[SPY_PACKET_SIZE - 1] ='\0';
msgLen = strlen(buf) + 1;
if (msgLen > SPY_PACKET_SIZE - 3)
msgLen = SPY_PACKET_SIZE - 3;
{ /* write magic number and length of message */
int i = 0;
buf[i++] = SPY_MAGIC_NUMBER & 0xff;
buf[i++] = msgLen / 256;
buf[i++] = msgLen % 256;
}
/* then message itself */
{
int written;
int index = 0;
while (index < SPY_PACKET_SIZE) {
written = write(sock, & buf[index], SPY_PACKET_SIZE - index);
if (written <= 0) {
return(6);
}
index += written;
}
}
close(sock);
}
#endif /* !NO_KOALA_SPY */
return 0;
}
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