114 lines
4.0 KiB
C
114 lines
4.0 KiB
C
/***
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This file is part of systemd.
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Copyright 2014 Vinay Kulkarni <kulkarniv@vmware.com>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <ctype.h>
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#include "conf-parser.h"
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#include "def.h"
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#include "dhcp-identifier.h"
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#include "extract-word.h"
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#include "hexdecoct.h"
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#include "networkd-conf.h"
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#include "networkd-network.h"
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#include "string-table.h"
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int manager_parse_config_file(Manager *m) {
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assert(m);
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return config_parse_many_nulstr(PKGSYSCONFDIR "/networkd.conf",
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CONF_PATHS_NULSTR("systemd/networkd.conf.d"),
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"DHCP\0",
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config_item_perf_lookup, networkd_gperf_lookup,
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CONFIG_PARSE_WARN, m);
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}
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static const char* const duid_type_table[_DUID_TYPE_MAX] = {
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[DUID_TYPE_LLT] = "link-layer-time",
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[DUID_TYPE_EN] = "vendor",
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[DUID_TYPE_LL] = "link-layer",
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[DUID_TYPE_UUID] = "uuid",
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};
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DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType);
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DEFINE_CONFIG_PARSE_ENUM(config_parse_duid_type, duid_type, DUIDType, "Failed to parse DUID type");
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int config_parse_duid_rawdata(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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DUID *ret = data;
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uint8_t raw_data[MAX_DUID_LEN];
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unsigned count = 0;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(ret);
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/* RawData contains DUID in format "NN:NN:NN..." */
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for (;;) {
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int n1, n2, len, r;
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uint32_t byte;
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_cleanup_free_ char *cbyte = NULL;
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r = extract_first_word(&rvalue, &cbyte, ":", 0);
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if (r < 0) {
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log_syntax(unit, LOG_ERR, filename, line, r, "Failed to read DUID, ignoring assignment: %s.", rvalue);
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return 0;
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}
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if (r == 0)
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break;
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if (count >= MAX_DUID_LEN) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Max DUID length exceeded, ignoring assignment: %s.", rvalue);
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return 0;
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}
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len = strlen(cbyte);
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if (!IN_SET(len, 1, 2)) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid length - DUID byte: %s, ignoring assignment: %s.", cbyte, rvalue);
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return 0;
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}
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n1 = unhexchar(cbyte[0]);
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if (len == 2)
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n2 = unhexchar(cbyte[1]);
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else
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n2 = 0;
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if (n1 < 0 || n2 < 0) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid DUID byte: %s. Ignoring assignment: %s.", cbyte, rvalue);
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return 0;
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}
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byte = ((uint8_t) n1 << (4 * (len-1))) | (uint8_t) n2;
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raw_data[count++] = byte;
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}
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assert_cc(sizeof(raw_data) == sizeof(ret->raw_data));
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memcpy(ret->raw_data, raw_data, count);
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ret->raw_data_len = count;
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return 0;
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}
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