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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
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 <netinet/ether.h>
#include <net/if.h>
#include "net-util.h"
#include "log.h"
#include "utf8.h"
#include "util.h"
#include "conf-parser.h"
bool net_match_config(const struct ether_addr *match_mac,
const char *match_path,
const char *match_driver,
const char *match_type,
const char *match_name,
struct udev_device *device) {
const char *property;
assert(device);
if (match_mac) {
property = udev_device_get_sysattr_value(device, "address");
if (!property || memcmp(match_mac, ether_aton(property), ETH_ALEN)) {
log_debug("Interface MAC address (%s) did not match MACAddress=%s",
property, ether_ntoa(match_mac));
return 0;
}
}
if (match_path) {
property = udev_device_get_property_value(device, "ID_PATH");
if (!streq_ptr(match_path, property)) {
log_debug("Interface persistent path (%s) did not match Path=%s",
property, match_path);
return 0;
}
}
if (match_driver) {
property = udev_device_get_driver(device);
if (!streq_ptr(match_driver, property)) {
log_debug("Interface device driver (%s) did not match Driver=%s",
property, match_driver);
return 0;
}
}
if (match_type) {
property = udev_device_get_devtype(device);
if (!streq_ptr(match_type, property)) {
log_debug("Interface type (%s) did not match Type=%s",
property, match_type);
return 0;
}
}
if (match_name) {
property = udev_device_get_sysname(device);
if (!streq_ptr(match_name, property)) {
log_debug("Interface name (%s) did not match Name=%s",
property, match_name);
return 0;
}
}
return 1;
}
int config_parse_ifname(const char *unit,
const char *filename,
unsigned line,
const char *section,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
char **s = data;
char *n;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
n = strdup(rvalue);
if (!n)
return log_oom();
if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
free(n);
return 0;
}
free(*s);
if (*n)
*s = n;
else {
free(n);
*s = NULL;
}
return 0;
}
int config_parse_hwaddr(const char *unit,
const char *filename,
unsigned line,
const char *section,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
struct ether_addr **hwaddr = data;
struct ether_addr *n;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
n = new0(struct ether_addr, 1);
if (!n)
return log_oom();
r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&n->ether_addr_octet[0],
&n->ether_addr_octet[1],
&n->ether_addr_octet[2],
&n->ether_addr_octet[3],
&n->ether_addr_octet[4],
&n->ether_addr_octet[5]);
if (r != 6) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Not a valid MAC address, ignoring assignment: %s", rvalue);
free(n);
return 0;
}
free(*hwaddr);
*hwaddr = n;
return 0;
}
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