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