73 lines
1.6 KiB
Text
73 lines
1.6 KiB
Text
/*
|
|
* cinit
|
|
* (c) 2005 Nico Schottelius (nico-linux at schottelius.org)
|
|
* handle client requests
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "cinit.h"
|
|
|
|
/***********************************************************************
|
|
* sigio: client handling
|
|
*/
|
|
|
|
/* we are called, if one or _more_ connections are waiting */
|
|
void sigio(int signal)
|
|
{
|
|
struct ucred suck;
|
|
int len, lens, nsock;
|
|
struct sockaddr_un sun;
|
|
char buf;
|
|
|
|
D_PRINTF("sigio() startet");
|
|
|
|
do {
|
|
nsock = accept(sock,(struct sockaddr *) NULL, (socklen_t *) NULL);
|
|
|
|
if( nsock == -1) {
|
|
if (errno != EAGAIN) {
|
|
perror("accept");
|
|
_exit(1);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
//getsockopt(s_tmp[s_idx], SOL_SOCKET, SO_PEERCRED, &suck, &len);
|
|
getsockopt(nsock, SOL_SOCKET, SO_PEERCRED, &suck, &len);
|
|
printf("angreifer: pid: %d uid: %d gid: %d\n",suck.pid,suck.uid,suck.gid);
|
|
|
|
|
|
read(nsock,&buf,1);
|
|
|
|
printf("command: %d\n",buf);
|
|
|
|
while ( (len = read(nsock,&buf,1)) ) {
|
|
// printf("laenge: %d\n",len);
|
|
if(len == -1) {
|
|
// if(errno != EINVAL && errno != EAGAIN) {
|
|
perror("read");
|
|
return;
|
|
// _exit(1);
|
|
// }
|
|
}
|
|
if(buf == 0) break;
|
|
write(1,&buf,1);
|
|
}
|
|
printf("Fertig mit lesen\n");
|
|
|
|
write(nsock,"ok\n",4);
|
|
printf("fertig mit schreiben\n");
|
|
} while ( 1 );
|
|
|
|
printf("keine sockets mehr da..., sigio beendet sich jetzt.\n");
|
|
}
|
|
|
|
|