sd-dhcp-server.c revision 816e2e7af96886e4a43194042ef61ba9fec2c77d
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2013 Intel Corporation. All rights reserved.
Copyright (C) 2014 Tom Gundersen
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/if_ether.h>
#include "sd-dhcp-server.h"
#include "dhcp-server-internal.h"
#include "dhcp-internal.h"
if (server)
return server;
}
}
return NULL;
}
if (!server)
return -ENOMEM;
return 0;
}
int r;
if (event)
else {
if (r < 0)
return r;
}
return 0;
}
return 0;
}
}
return 0;
}
void *user_data) {
switch(code) {
if (len == 4)
break;
if (len >= 2) {
if (!data)
return -ENOMEM;
}
break;
if (len == 2)
- sizeof(DHCPPacket);
break;
}
return 0;
}
if (!req)
return;
}
/* set client id based on mac address if client did not send an explicit one */
if (!data)
return -ENOMEM;
}
return 0;
}
int type, r;
return 0;
if (!req)
return -ENOMEM;
if (type < 0)
return 0;
if (r < 0)
/* this only fails on critical errors */
return r;
return 1;
}
.msg_iovlen = 1,
.msg_control = cmsgbuf,
.msg_controllen = sizeof(cmsgbuf),
};
if (r < 0)
return r;
if (buflen < 0)
return -EIO;
if (!message)
return -ENOMEM;
return 0;
return 0;
/* TODO figure out if this can be done as a filter on the socket, like for IPv6 */
return 0;
break;
}
}
}
int r;
if (r < 0) {
return r;
}
if (r < 0) {
return r;
}
if (r < 0) {
return r;
}
return 0;
}