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import cinit from unix.schottelius.org

Browse source 
Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>
This commit is contained in:
Nico Schottelius 2009-09-16 12:53:45 +02:00
commit 423ba10303
13396 changed files with 269468 additions and 0 deletions
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73
software/cinit/browse_source/cinit-0.0.8/old/sigio.c01 Normal file
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/*
* 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");
}