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authorTom Gundersen <teg@jklm.no>2013-11-02 02:13:48 +0100
committerTom Gundersen <teg@jklm.no>2013-11-04 23:00:12 +0100
commitbe32eb9b7fbcb22e4b648086d644135e38279633 (patch)
tree55e03fbd88788417614bd6f670c20e70a2be2460 /src/udev/net
parentfc7689bc9ccf9b94f9a9f666f84c79b8f5b84791 (diff)
net-config: start split out matching and parsing logic
Move this to src/share/net-util.c, so it can be used elsewhere.
Diffstat (limited to 'src/udev/net')
-rw-r--r--src/udev/net/link-config-gperf.gperf1
-rw-r--r--src/udev/net/link-config-parse.c129
-rw-r--r--src/udev/net/link-config.c72
-rw-r--r--src/udev/net/link-config.h2
4 files changed, 28 insertions, 176 deletions
diff --git a/src/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index 130ebc9b90..1fe0b93e53 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -1,6 +1,7 @@
%{
#include <stddef.h>
#include "conf-parser.h"
+#include "net-util.h"
#include "link-config.h"
#include "ethtool-util.h"
%}
diff --git a/src/udev/net/link-config-parse.c b/src/udev/net/link-config-parse.c
deleted file mode 100644
index c339d08552..0000000000
--- a/src/udev/net/link-config-parse.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*-*- 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 "util.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 = 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;
-}
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 883aedc73c..d930afcc07 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -38,6 +38,7 @@
#include "fileio.h"
#include "hashmap.h"
#include "rtnl-util.h"
+#include "net-util.h"
struct link_config_ctx {
LIST_HEAD(link_config, links);
@@ -213,7 +214,6 @@ int link_config_load(link_config_ctx *ctx) {
link_configs_free(ctx);
-
if (!enable_name_policy()) {
ctx->enable_name_policy = false;
log_info("Network interface NamePolicy= disabled on kernel commandline, ignoring.");
@@ -241,59 +241,23 @@ bool link_config_should_reload(link_config_ctx *ctx) {
return paths_check_timestamp(ctx->link_dirs, &ctx->link_dirs_ts_usec, false);
}
-static bool match_config(link_config *match, struct udev_device *device) {
- const char *property;
-
- if (match->match_mac) {
- property = udev_device_get_sysattr_value(device, "address");
- if (!property || memcmp(match->match_mac, ether_aton(property), ETH_ALEN)) {
- log_debug("Device MAC address (%s) did not match MACAddress=%s",
- property, ether_ntoa(match->match_mac));
- return 0;
- }
- }
-
- if (match->match_path) {
- property = udev_device_get_property_value(device, "ID_PATH");
- if (!streq_ptr(match->match_path, property)) {
- log_debug("Device's persistent path (%s) did not match Path=%s",
- property, match->match_path);
- return 0;
- }
- }
-
- if (match->match_driver) {
- property = udev_device_get_driver(device);
- if (!streq_ptr(match->match_driver, property)) {
- log_debug("Device driver (%s) did not match Driver=%s",
- property, match->match_driver);
- return 0;
- }
- }
-
- if (match->match_type) {
- property = udev_device_get_devtype(device);
- if (!streq_ptr(match->match_type, property)) {
- log_debug("Device type (%s) did not match Type=%s",
- property, match->match_type);
- return 0;
- }
- }
-
- return 1;
-}
-
int link_config_get(link_config_ctx *ctx, struct udev_device *device, link_config **ret) {
link_config *link;
LIST_FOREACH(links, link, ctx->links) {
- if (match_config(link, device)) {
- log_debug("Config file %s applies to device %s", link->filename, udev_device_get_sysname(device));
+ if (net_match_config(link->match_mac, link->match_path,
+ link->match_driver, link->match_type,
+ NULL, device)) {
+ log_debug("Config file %s applies to device %s",
+ link->filename,
+ udev_device_get_sysname(device));
*ret = link;
return 0;
}
}
+ *ret = NULL;
+
return -ENOENT;
}
@@ -479,3 +443,21 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev
return 0;
}
+
+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");
diff --git a/src/udev/net/link-config.h b/src/udev/net/link-config.h
index b3ee81fdaa..9747003635 100644
--- a/src/udev/net/link-config.h
+++ b/src/udev/net/link-config.h
@@ -85,7 +85,5 @@ MACPolicy mac_policy_from_string(const char *p) _pure_;
/* gperf lookup function */
const struct ConfigPerfItem* link_config_gperf_lookup(const char *key, unsigned length);
-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);
-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);
int config_parse_mac_policy(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_name_policy(const char *unit, const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);