network: radv: reorder functions
In other files, we usually (but not always) place functions in the following order: - network_adjust_xxx(), which applies default or updates settings specified in .network files, - link_xxx_enabled(), which checks if the functionality is enabled, - xxx_new() and xxx_free(), allocator and deallocator for sections, - functions which apply/update/remove configs - validators of section, - conf parsers. This does not change each function, but just changes the order.
This commit is contained in:
Yu Watanabe
+370
-370
@@ -19,6 +19,44 @@
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#include "string-table.h"
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#include "strv.h"
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void network_adjust_radv(Network *network) {
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assert(network);
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/* After this function is called, network->router_prefix_delegation can be treated as a boolean. */
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if (network->dhcp6_pd < 0)
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/* For backward compatibility. */
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network->dhcp6_pd = FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_DHCP6);
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if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) {
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if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE)
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log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. "
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"Disabling IPv6PrefixDelegation=.", network->filename);
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network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE;
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}
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if (network->router_prefix_delegation == RADV_PREFIX_DELEGATION_NONE) {
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network->n_router_dns = 0;
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network->router_dns = mfree(network->router_dns);
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network->router_search_domains = ordered_set_free(network->router_search_domains);
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}
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if (!FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_STATIC)) {
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network->prefixes_by_section = hashmap_free_with_destructor(network->prefixes_by_section, prefix_free);
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network->route_prefixes_by_section = hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free);
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}
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}
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static bool link_radv_enabled(Link *link) {
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assert(link);
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if (!link_ipv6ll_enabled(link))
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return false;
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return link->network->router_prefix_delegation;
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}
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Prefix *prefix_free(Prefix *prefix) {
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if (!prefix)
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return NULL;
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@@ -155,64 +193,6 @@ static int route_prefix_new_static(Network *network, const char *filename, unsig
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return 0;
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}
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void network_drop_invalid_prefixes(Network *network) {
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Prefix *prefix;
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assert(network);
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HASHMAP_FOREACH(prefix, network->prefixes_by_section)
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if (section_is_invalid(prefix->section))
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prefix_free(prefix);
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}
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void network_drop_invalid_route_prefixes(Network *network) {
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RoutePrefix *prefix;
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assert(network);
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HASHMAP_FOREACH(prefix, network->route_prefixes_by_section)
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if (section_is_invalid(prefix->section))
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route_prefix_free(prefix);
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}
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void network_adjust_radv(Network *network) {
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assert(network);
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/* After this function is called, network->router_prefix_delegation can be treated as a boolean. */
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if (network->dhcp6_pd < 0)
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/* For backward compatibility. */
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network->dhcp6_pd = FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_DHCP6);
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if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) {
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if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE)
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log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. "
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"Disabling IPv6PrefixDelegation=.", network->filename);
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network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE;
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}
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if (network->router_prefix_delegation == RADV_PREFIX_DELEGATION_NONE) {
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network->n_router_dns = 0;
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network->router_dns = mfree(network->router_dns);
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network->router_search_domains = ordered_set_free(network->router_search_domains);
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}
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if (!FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_STATIC)) {
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network->prefixes_by_section = hashmap_free_with_destructor(network->prefixes_by_section, prefix_free);
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network->route_prefixes_by_section = hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free);
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}
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}
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static bool link_radv_enabled(Link *link) {
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assert(link);
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if (!link_ipv6ll_enabled(link))
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return false;
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return link->network->router_prefix_delegation;
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}
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int link_request_radv_addresses(Link *link) {
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Prefix *p;
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int r;
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@@ -252,318 +232,6 @@ int link_request_radv_addresses(Link *link) {
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return 0;
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}
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int config_parse_prefix(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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uint8_t prefixlen = 64;
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union in_addr_union in6addr;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Prefix is invalid, ignoring assignment: %s", rvalue);
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return 0;
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}
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r = sd_radv_prefix_set_prefix(p->radv_prefix, &in6addr.in6, prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set radv prefix, ignoring assignment: %s", rvalue);
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return 0;
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}
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p = NULL;
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return 0;
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}
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int config_parse_prefix_flags(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = parse_boolean(rvalue);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s=, ignoring assignment: %s", lvalue, rvalue);
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return 0;
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}
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if (streq(lvalue, "OnLink"))
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r = sd_radv_prefix_set_onlink(p->radv_prefix, r);
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else if (streq(lvalue, "AddressAutoconfiguration"))
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r = sd_radv_prefix_set_address_autoconfiguration(p->radv_prefix, r);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set %s=, ignoring assignment: %m", lvalue);
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return 0;
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}
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p = NULL;
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return 0;
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}
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int config_parse_prefix_lifetime(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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usec_t usec;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = parse_sec(rvalue, &usec);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Lifetime is invalid, ignoring assignment: %s", rvalue);
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return 0;
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}
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/* a value of 0xffffffff represents infinity */
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if (streq(lvalue, "PreferredLifetimeSec"))
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r = sd_radv_prefix_set_preferred_lifetime(p->radv_prefix,
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DIV_ROUND_UP(usec, USEC_PER_SEC));
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else if (streq(lvalue, "ValidLifetimeSec"))
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r = sd_radv_prefix_set_valid_lifetime(p->radv_prefix,
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DIV_ROUND_UP(usec, USEC_PER_SEC));
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set %s=, ignoring assignment: %m", lvalue);
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return 0;
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}
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p = NULL;
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return 0;
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}
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int config_parse_prefix_assign(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = parse_boolean(rvalue);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to parse %s=, ignoring assignment: %s",
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lvalue, rvalue);
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return 0;
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}
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p->assign = r;
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p = NULL;
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return 0;
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}
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int config_parse_prefix_metric(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = safe_atou32(rvalue, &p->route_metric);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to parse %s=, ignoring assignment: %s",
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lvalue, rvalue);
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return 0;
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}
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TAKE_PTR(p);
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return 0;
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}
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int config_parse_route_prefix(
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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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Network *network = userdata;
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_cleanup_(route_prefix_free_or_set_invalidp) RoutePrefix *p = NULL;
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uint8_t prefixlen = 64;
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union in_addr_union in6addr;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = route_prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Route prefix is invalid, ignoring assignment: %s", rvalue);
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return 0;
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}
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r = sd_radv_prefix_set_route_prefix(p->radv_route_prefix, &in6addr.in6, prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set route prefix, ignoring assignment: %m");
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return 0;
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}
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p = NULL;
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return 0;
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}
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int config_parse_route_prefix_lifetime(
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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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Network *network = userdata;
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_cleanup_(route_prefix_free_or_set_invalidp) RoutePrefix *p = NULL;
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usec_t usec;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = route_prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = parse_sec(rvalue, &usec);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Route lifetime is invalid, ignoring assignment: %s", rvalue);
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return 0;
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}
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/* a value of 0xffffffff represents infinity */
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r = sd_radv_route_prefix_set_lifetime(p->radv_route_prefix, DIV_ROUND_UP(usec, USEC_PER_SEC));
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to set route lifetime, ignoring assignment: %m");
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return 0;
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}
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p = NULL;
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return 0;
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}
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static int network_get_ipv6_dns(Network *network, struct in6_addr **ret_addresses, size_t *ret_size) {
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_cleanup_free_ struct in6_addr *addresses = NULL;
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size_t n_addresses = 0;
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@@ -954,6 +622,338 @@ int radv_add_prefix(
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return 0;
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}
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void network_drop_invalid_prefixes(Network *network) {
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Prefix *prefix;
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assert(network);
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HASHMAP_FOREACH(prefix, network->prefixes_by_section)
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if (section_is_invalid(prefix->section))
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prefix_free(prefix);
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}
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void network_drop_invalid_route_prefixes(Network *network) {
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RoutePrefix *prefix;
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assert(network);
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HASHMAP_FOREACH(prefix, network->route_prefixes_by_section)
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if (section_is_invalid(prefix->section))
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route_prefix_free(prefix);
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}
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int config_parse_prefix(
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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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Network *network = userdata;
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_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
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uint8_t prefixlen = 64;
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union in_addr_union in6addr;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = prefix_new_static(network, filename, section_line, &p);
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if (r < 0)
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return log_oom();
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r = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Prefix is invalid, ignoring assignment: %s", rvalue);
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return 0;
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}
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r = sd_radv_prefix_set_prefix(p->radv_prefix, &in6addr.in6, prefixlen);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set radv prefix, ignoring assignment: %s", rvalue);
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return 0;
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}
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p = NULL;
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return 0;
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}
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int config_parse_prefix_flags(
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const char *unit,
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const char *filename,
|
||||
unsigned line,
|
||||
const char *section,
|
||||
unsigned section_line,
|
||||
const char *lvalue,
|
||||
int ltype,
|
||||
const char *rvalue,
|
||||
void *data,
|
||||
void *userdata) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = parse_boolean(rvalue);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s=, ignoring assignment: %s", lvalue, rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (streq(lvalue, "OnLink"))
|
||||
r = sd_radv_prefix_set_onlink(p->radv_prefix, r);
|
||||
else if (streq(lvalue, "AddressAutoconfiguration"))
|
||||
r = sd_radv_prefix_set_address_autoconfiguration(p->radv_prefix, r);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set %s=, ignoring assignment: %m", lvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_prefix_lifetime(
|
||||
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) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
|
||||
usec_t usec;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = parse_sec(rvalue, &usec);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Lifetime is invalid, ignoring assignment: %s", rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* a value of 0xffffffff represents infinity */
|
||||
if (streq(lvalue, "PreferredLifetimeSec"))
|
||||
r = sd_radv_prefix_set_preferred_lifetime(p->radv_prefix,
|
||||
DIV_ROUND_UP(usec, USEC_PER_SEC));
|
||||
else if (streq(lvalue, "ValidLifetimeSec"))
|
||||
r = sd_radv_prefix_set_valid_lifetime(p->radv_prefix,
|
||||
DIV_ROUND_UP(usec, USEC_PER_SEC));
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set %s=, ignoring assignment: %m", lvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_prefix_assign(
|
||||
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) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = parse_boolean(rvalue);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r,
|
||||
"Failed to parse %s=, ignoring assignment: %s",
|
||||
lvalue, rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
p->assign = r;
|
||||
p = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_prefix_metric(
|
||||
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) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(prefix_free_or_set_invalidp) Prefix *p = NULL;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = safe_atou32(rvalue, &p->route_metric);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r,
|
||||
"Failed to parse %s=, ignoring assignment: %s",
|
||||
lvalue, rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
TAKE_PTR(p);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_route_prefix(
|
||||
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) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(route_prefix_free_or_set_invalidp) RoutePrefix *p = NULL;
|
||||
uint8_t prefixlen = 64;
|
||||
union in_addr_union in6addr;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = route_prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Route prefix is invalid, ignoring assignment: %s", rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
r = sd_radv_prefix_set_route_prefix(p->radv_route_prefix, &in6addr.in6, prefixlen);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set route prefix, ignoring assignment: %m");
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_route_prefix_lifetime(
|
||||
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) {
|
||||
|
||||
Network *network = userdata;
|
||||
_cleanup_(route_prefix_free_or_set_invalidp) RoutePrefix *p = NULL;
|
||||
usec_t usec;
|
||||
int r;
|
||||
|
||||
assert(filename);
|
||||
assert(section);
|
||||
assert(lvalue);
|
||||
assert(rvalue);
|
||||
assert(data);
|
||||
|
||||
r = route_prefix_new_static(network, filename, section_line, &p);
|
||||
if (r < 0)
|
||||
return log_oom();
|
||||
|
||||
r = parse_sec(rvalue, &usec);
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r,
|
||||
"Route lifetime is invalid, ignoring assignment: %s", rvalue);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* a value of 0xffffffff represents infinity */
|
||||
r = sd_radv_route_prefix_set_lifetime(p->radv_route_prefix, DIV_ROUND_UP(usec, USEC_PER_SEC));
|
||||
if (r < 0) {
|
||||
log_syntax(unit, LOG_WARNING, filename, line, r,
|
||||
"Failed to set route lifetime, ignoring assignment: %m");
|
||||
return 0;
|
||||
}
|
||||
|
||||
p = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int config_parse_radv_dns(
|
||||
const char *unit,
|
||||
const char *filename,
|
||||
|
||||
Reference in New Issue
Block a user