diff options
Diffstat (limited to 'src/network/networkd-conf.c')
-rw-r--r-- | src/network/networkd-conf.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/network/networkd-conf.c b/src/network/networkd-conf.c new file mode 100644 index 0000000000..49bb8c18f6 --- /dev/null +++ b/src/network/networkd-conf.c @@ -0,0 +1,111 @@ +/*** + This file is part of systemd. + + Copyright 2014 Vinay Kulkarni <kulkarniv@vmware.com> + + 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 <ctype.h> + +#include "conf-parser.h" +#include "def.h" +#include "dhcp-identifier.h" +#include "hexdecoct.h" +#include "networkd-conf.h" +#include "string-table.h" + +int manager_parse_config_file(Manager *m) { + assert(m); + + return config_parse_many_nulstr(PKGSYSCONFDIR "/networkd.conf", + CONF_PATHS_NULSTR("systemd/networkd.conf.d"), + "DHCP\0", + config_item_perf_lookup, networkd_gperf_lookup, + false, m); +} + +static const char* const duid_type_table[_DUID_TYPE_MAX] = { + [DUID_TYPE_LLT] = "link-layer-time", + [DUID_TYPE_EN] = "vendor", + [DUID_TYPE_LL] = "link-layer", + [DUID_TYPE_UUID] = "uuid", +}; +DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType); +DEFINE_CONFIG_PARSE_ENUM(config_parse_duid_type, duid_type, DUIDType, "Failed to parse DUID type"); + +int config_parse_duid_rawdata( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + DUID *ret = data; + uint8_t raw_data[MAX_DUID_LEN]; + unsigned count = 0; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(ret); + + /* RawData contains DUID in format "NN:NN:NN..." */ + for (;;) { + int n1, n2, len, r; + uint32_t byte; + _cleanup_free_ char *cbyte = NULL; + + r = extract_first_word(&rvalue, &cbyte, ":", 0); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to read DUID, ignoring assignment: %s.", rvalue); + return 0; + } + if (r == 0) + break; + if (count >= MAX_DUID_LEN) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Max DUID length exceeded, ignoring assignment: %s.", rvalue); + return 0; + } + + len = strlen(cbyte); + if (len != 1 && len != 2) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid length - DUID byte: %s, ignoring assignment: %s.", cbyte, rvalue); + return 0; + } + n1 = unhexchar(cbyte[0]); + if (len == 2) + n2 = unhexchar(cbyte[1]); + else + n2 = 0; + + if (n1 < 0 || n2 < 0) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid DUID byte: %s. Ignoring assignment: %s.", cbyte, rvalue); + return 0; + } + + byte = ((uint8_t) n1 << (4 * (len-1))) | (uint8_t) n2; + raw_data[count++] = byte; + } + + assert_cc(sizeof(raw_data) == sizeof(ret->raw_data)); + memcpy(ret->raw_data, raw_data, count); + ret->raw_data_len = count; + return 0; +} |