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Diffstat (limited to 'src/udev/net/link-config-parse.c')
-rw-r--r-- | src/udev/net/link-config-parse.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/udev/net/link-config-parse.c b/src/udev/net/link-config-parse.c new file mode 100644 index 0000000000..54dd57be59 --- /dev/null +++ b/src/udev/net/link-config-parse.c @@ -0,0 +1,128 @@ +/*-*- 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 "link-config.h" + +#include "utf8.h" +#include "conf-parser.h" + +static const char* const mac_policy_table[] = { + [MACPOLICY_PERSISTENT] = "persistent", + [MACPOLICY_RANDOM] = "random" +}; + +DEFINE_STRING_TABLE_LOOKUP(mac_policy, MACPolicy); +DEFINE_CONFIG_PARSE_ENUM(config_parse_mac_policy, mac_policy, MACPolicy, "Failed to parse MAC address policy"); + +static const char* const name_policy_table[] = { + [NAMEPOLICY_ONBOARD] = "onboard", + [NAMEPOLICY_SLOT] = "slot", + [NAMEPOLICY_PATH] = "path", + [NAMEPOLICY_MAC] = "mac" +}; + +DEFINE_STRING_TABLE_LOOKUP(name_policy, NamePolicy); +DEFINE_CONFIG_PARSE_ENUMV(config_parse_name_policy, name_policy, NamePolicy, _NAMEPOLICY_INVALID, "Failed to parse interface name policy"); + +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 = calloc(1, sizeof(struct ether_addr)); + 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; +} |