diff options
Diffstat (limited to 'src/libsystemd-dhcp/dhcp-lease.c')
| -rw-r--r-- | src/libsystemd-dhcp/dhcp-lease.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/libsystemd-dhcp/dhcp-lease.c b/src/libsystemd-dhcp/dhcp-lease.c deleted file mode 100644 index c1f76aa561..0000000000 --- a/src/libsystemd-dhcp/dhcp-lease.c +++ /dev/null @@ -1,244 +0,0 @@ -/*** - This file is part of systemd. - - Copyright (C) 2013 Intel Corporation. All rights reserved. - Copyright (C) 2014 Tom Gundersen - - systemd is free software; you can redistribute it and/or modify it - 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 <stdlib.h> -#include <errno.h> -#include <string.h> -#include <stdio.h> -#include <net/ethernet.h> -#include <sys/param.h> - -#include "util.h" -#include "list.h" - -#include "dhcp-protocol.h" -#include "dhcp-internal.h" -#include "dhcp-lease.h" -#include "sd-dhcp-client.h" - -int sd_dhcp_lease_get_address(sd_dhcp_lease *lease, struct in_addr *addr) { - assert_return(lease, -EINVAL); - assert_return(addr, -EINVAL); - - addr->s_addr = lease->address; - - return 0; -} - -int sd_dhcp_lease_get_mtu(sd_dhcp_lease *lease, uint16_t *mtu) { - assert_return(lease, -EINVAL); - assert_return(mtu, -EINVAL); - - if (lease->mtu) - *mtu = lease->mtu; - else - return -ENOENT; - - return 0; -} - -int sd_dhcp_lease_get_dns(sd_dhcp_lease *lease, struct in_addr **addr, size_t *addr_size) { - assert_return(lease, -EINVAL); - assert_return(addr, -EINVAL); - assert_return(addr_size, -EINVAL); - - if (lease->dns_size) { - *addr_size = lease->dns_size; - *addr = lease->dns; - } else - return -ENOENT; - - return 0; -} - -int sd_dhcp_lease_get_domainname(sd_dhcp_lease *lease, const char **domainname) { - assert_return(lease, -EINVAL); - assert_return(domainname, -EINVAL); - - if (lease->domainname) - *domainname = lease->domainname; - else - return -ENOENT; - - return 0; -} - -int sd_dhcp_lease_get_hostname(sd_dhcp_lease *lease, const char **hostname) { - assert_return(lease, -EINVAL); - assert_return(hostname, -EINVAL); - - if (lease->hostname) - *hostname = lease->hostname; - else - return -ENOENT; - - return 0; -} - -int sd_dhcp_lease_get_router(sd_dhcp_lease *lease, struct in_addr *addr) { - assert_return(lease, -EINVAL); - assert_return(addr, -EINVAL); - - addr->s_addr = lease->router; - - return 0; -} - -int sd_dhcp_lease_get_netmask(sd_dhcp_lease *lease, struct in_addr *addr) { - assert_return(lease, -EINVAL); - assert_return(addr, -EINVAL); - - addr->s_addr = lease->subnet_mask; - - return 0; -} - -sd_dhcp_lease *sd_dhcp_lease_ref(sd_dhcp_lease *lease) { - if (lease) - assert_se(REFCNT_INC(lease->n_ref) >= 2); - - return lease; -} - -sd_dhcp_lease *sd_dhcp_lease_unref(sd_dhcp_lease *lease) { - if (lease && REFCNT_DEC(lease->n_ref) <= 0) { - free(lease->hostname); - free(lease->domainname); - free(lease->dns); - free(lease); - } - - return NULL; -} - -int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option, - void *user_data) { - sd_dhcp_lease *lease = user_data; - be32_t val; - - switch(code) { - - case DHCP_OPTION_IP_ADDRESS_LEASE_TIME: - if (len == 4) { - memcpy(&val, option, 4); - lease->lifetime = be32toh(val); - } - - break; - - case DHCP_OPTION_SERVER_IDENTIFIER: - if (len >= 4) - memcpy(&lease->server_address, option, 4); - - break; - - case DHCP_OPTION_SUBNET_MASK: - if (len >= 4) - memcpy(&lease->subnet_mask, option, 4); - - break; - - case DHCP_OPTION_ROUTER: - if (len >= 4) - memcpy(&lease->router, option, 4); - - break; - - case DHCP_OPTION_DOMAIN_NAME_SERVER: - if (len && !(len % 4)) { - unsigned i; - - lease->dns_size = len / 4; - - free(lease->dns); - lease->dns = new0(struct in_addr, lease->dns_size); - if (!lease->dns) - return -ENOMEM; - - for (i = 0; i < lease->dns_size; i++) { - memcpy(&lease->dns[i].s_addr, option + 4 * i, 4); - } - } - - break; - - case DHCP_OPTION_INTERFACE_MTU: - if (len >= 2) { - be16_t mtu; - - memcpy(&mtu, option, 2); - lease->mtu = be16toh(mtu); - - if (lease->mtu < 68) - lease->mtu = 0; - } - - break; - - case DHCP_OPTION_DOMAIN_NAME: - if (len >= 1) { - free(lease->domainname); - lease->domainname = strndup((const char *)option, len); - } - - break; - - case DHCP_OPTION_HOST_NAME: - if (len >= 1) { - free(lease->hostname); - lease->hostname = strndup((const char *)option, len); - } - - break; - - case DHCP_OPTION_RENEWAL_T1_TIME: - if (len == 4) { - memcpy(&val, option, 4); - lease->t1 = be32toh(val); - } - - break; - - case DHCP_OPTION_REBINDING_T2_TIME: - if (len == 4) { - memcpy(&val, option, 4); - lease->t2 = be32toh(val); - } - - break; - } - - return 0; -} - -int dhcp_lease_new(sd_dhcp_lease **ret) { - _cleanup_dhcp_lease_unref_ sd_dhcp_lease *lease = NULL; - - lease = new0(sd_dhcp_lease, 1); - if (!lease) - return -ENOMEM; - - lease->n_ref = REFCNT_INIT; - - *ret = lease; - lease = NULL; - - return 0; -} |