#include "creds-util.h"
#include "device-private.h"
#include "device-util.h"
+#include "env-util.h"
#include "escape.h"
#include "ethtool-util.h"
#include "fd-util.h"
#include "path-util.h"
#include "proc-cmdline.h"
#include "random-util.h"
+#include "specifier.h"
#include "stat-util.h"
#include "string-table.h"
#include "string-util.h"
#include "udev-builtin.h"
#include "utf8.h"
+static const Specifier link_specifier_table[] = {
+ COMMON_SYSTEM_SPECIFIERS,
+ COMMON_TMP_SPECIFIERS,
+ {}
+};
+
struct LinkConfigContext {
LIST_HEAD(LinkConfig, configs);
int ethtool_fd;
condition_free_list(config->conditions);
free(config->description);
+ strv_free(config->properties);
+ strv_free(config->import_properties);
+ strv_free(config->unset_properties);
free(config->name_policy);
free(config->name);
strv_free(config->alternative_names);
return NULL;
sd_device_unref(link->device);
+ sd_device_unref(link->device_db_clone);
free(link->kind);
strv_free(link->altnames);
return mfree(link);
}
-int link_new(LinkConfigContext *ctx, sd_netlink **rtnl, sd_device *device, Link **ret) {
+int link_new(LinkConfigContext *ctx, sd_netlink **rtnl, sd_device *device, sd_device *device_db_clone, Link **ret) {
_cleanup_(link_freep) Link *link = NULL;
int r;
assert(ctx);
assert(rtnl);
assert(device);
+ assert(device_db_clone);
assert(ret);
link = new(Link, 1);
*link = (Link) {
.device = sd_device_ref(device),
+ .device_db_clone = sd_device_ref(device_db_clone),
};
r = sd_device_get_sysname(device, &link->ifname);
config = ASSERT_PTR(link->config);
device = ASSERT_PTR(link->device);
+ /* 1. apply ImportProperty=. */
+ STRV_FOREACH(p, config->import_properties)
+ (void) udev_builtin_import_property(device, link->device_db_clone, test, *p);
+
+ /* 2. apply Property=. */
+ STRV_FOREACH(p, config->properties) {
+ _cleanup_free_ char *key = NULL;
+ const char *eq;
+
+ eq = strchr(*p, '=');
+ if (!eq)
+ continue;
+
+ key = strndup(*p, eq - *p);
+ if (!key)
+ return log_oom();
+
+ (void) udev_builtin_add_property(device, test, key, eq + 1);
+ }
+
+ /* 3. apply UnsetProperty=. */
+ STRV_FOREACH(p, config->unset_properties)
+ (void) udev_builtin_add_property(device, test, *p, NULL);
+
+ /* 4. set the default properties. */
(void) udev_builtin_add_property(device, test, "ID_NET_LINK_FILE", config->filename);
_cleanup_free_ char *joined = NULL;
return 0;
}
+int config_parse_udev_property(
+ 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) {
+
+ char ***properties = ASSERT_PTR(data);
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *properties = strv_free(*properties);
+ return 0;
+ }
+
+ for (const char *p = rvalue;; ) {
+ _cleanup_free_ char *word = NULL, *resolved = NULL, *key = NULL;
+ const char *eq;
+
+ r = extract_first_word(&p, &word, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Invalid syntax, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+ if (r == 0)
+ return 0;
+
+ r = specifier_printf(word, SIZE_MAX, link_specifier_table, NULL, NULL, &resolved);
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to resolve specifiers in %s, ignoring assignment: %m", word);
+ continue;
+ }
+
+ /* The restriction for udev property is not clear. Let's apply the one for environment variable here. */
+ if (!env_assignment_is_valid(resolved)) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Invalid udev property, ignoring assignment: %s", word);
+ continue;
+ }
+
+ assert_se(eq = strchr(resolved, '='));
+ key = strndup(resolved, eq - resolved);
+ if (!key)
+ return log_oom();
+
+ if (!device_property_can_set(key)) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Invalid udev property name '%s', ignoring assignment: %s", key, resolved);
+ continue;
+ }
+
+ r = strv_env_replace_consume(properties, TAKE_PTR(resolved));
+ if (r < 0)
+ return log_error_errno(r, "Failed to update properties: %m");
+ }
+}
+
+int config_parse_udev_property_name(
+ 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) {
+
+ char ***properties = ASSERT_PTR(data);
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ *properties = strv_free(*properties);
+ return 0;
+ }
+
+ for (const char *p = rvalue;; ) {
+ _cleanup_free_ char *word = NULL, *resolved = NULL;
+
+ r = extract_first_word(&p, &word, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Invalid syntax, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+ if (r == 0)
+ return 0;
+
+ r = specifier_printf(word, SIZE_MAX, link_specifier_table, NULL, NULL, &resolved);
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to resolve specifiers in %s, ignoring assignment: %m", word);
+ continue;
+ }
+
+ /* The restriction for udev property is not clear. Let's apply the one for environment variable here. */
+ if (!env_name_is_valid(resolved)) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Invalid udev property name, ignoring assignment: %s", resolved);
+ continue;
+ }
+
+ if (!device_property_can_set(resolved)) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Invalid udev property name, ignoring assignment: %s", resolved);
+ continue;
+ }
+
+ r = strv_consume(properties, TAKE_PTR(resolved));
+ if (r < 0)
+ return log_error_errno(r, "Failed to update properties: %m");
+ }
+}
+
int config_parse_ifalias(
const char *unit,
const char *filename,
projects / thirdparty / systemd.git / blobdiff