diff options
Diffstat (limited to '')
| -rw-r--r-- | src/network/networkd-radv.c | 740 |
1 files changed, 370 insertions, 370 deletions
diff --git a/src/network/networkd-radv.c b/src/network/networkd-radv.c index c734c4c3b4..6a873d7669 100644 --- a/src/network/networkd-radv.c +++ b/src/network/networkd-radv.c @@ -19,6 +19,44 @@ #include "string-table.h" #include "strv.h" +void network_adjust_radv(Network *network) { + assert(network); + + /* After this function is called, network->router_prefix_delegation can be treated as a boolean. */ + + if (network->dhcp6_pd < 0) + /* For backward compatibility. */ + network->dhcp6_pd = FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_DHCP6); + + if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { + if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) + log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " + "Disabling IPv6PrefixDelegation=.", network->filename); + + network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; + } + + if (network->router_prefix_delegation == RADV_PREFIX_DELEGATION_NONE) { + network->n_router_dns = 0; + network->router_dns = mfree(network->router_dns); + network->router_search_domains = ordered_set_free(network->router_search_domains); + } + + if (!FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_STATIC)) { + network->prefixes_by_section = hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); + network->route_prefixes_by_section = hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); + } +} + +static bool link_radv_enabled(Link *link) { + assert(link); + + if (!link_ipv6ll_enabled(link)) + return false; + + return link->network->router_prefix_delegation; +} + Prefix *prefix_free(Prefix *prefix) { if (!prefix) return NULL; @@ -155,64 +193,6 @@ static int route_prefix_new_static(Network *network, const char *filename, unsig return 0; } -void network_drop_invalid_prefixes(Network *network) { - Prefix *prefix; - - assert(network); - - HASHMAP_FOREACH(prefix, network->prefixes_by_section) - if (section_is_invalid(prefix->section)) - prefix_free(prefix); -} - -void network_drop_invalid_route_prefixes(Network *network) { - RoutePrefix *prefix; - - assert(network); - - HASHMAP_FOREACH(prefix, network->route_prefixes_by_section) - if (section_is_invalid(prefix->section)) - route_prefix_free(prefix); -} - -void network_adjust_radv(Network *network) { - assert(network); - - /* After this function is called, network->router_prefix_delegation can be treated as a boolean. */ - - if (network->dhcp6_pd < 0) - /* For backward compatibility. */ - network->dhcp6_pd = FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_DHCP6); - - if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { - if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) - log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " - "Disabling IPv6PrefixDelegation=.", network->filename); - - network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; - } - - if (network->router_prefix_delegation == RADV_PREFIX_DELEGATION_NONE) { - network->n_router_dns = 0; - network->router_dns = mfree(network->router_dns); - network->router_search_domains = ordered_set_free(network->router_search_domains); - } - - if (!FLAGS_SET(network->router_prefix_delegation, RADV_PREFIX_DELEGATION_STATIC)) { - network->prefixes_by_section = hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); - network->route_prefixes_by_section = hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); - } -} - -static bool link_radv_enabled(Link *link) { - assert(link); - - if (!link_ipv6ll_enabled(link)) - return false; - - return link->network->router_prefix_delegation; -} - int link_request_radv_addresses(Link *link) { Prefix *p; int r; @@ -252,318 +232,6 @@ int link_request_radv_addresses(Link *link) { return 0; } -int config_parse_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_(prefix_free_or_set_invalidp) Prefix *p = NULL; - uint8_t prefixlen = 64; - union in_addr_union in6addr; - 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 = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen); - if (r < 0) { - log_syntax(unit, LOG_WARNING, filename, line, r, "Prefix is invalid, ignoring assignment: %s", rvalue); - return 0; - } - - r = sd_radv_prefix_set_prefix(p->radv_prefix, &in6addr.in6, prefixlen); - if (r < 0) { - log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set radv prefix, ignoring assignment: %s", rvalue); - return 0; - } - - p = NULL; - - return 0; -} - -int config_parse_prefix_flags( - 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; - } - - 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; -} - static int network_get_ipv6_dns(Network *network, struct in6_addr **ret_addresses, size_t *ret_size) { _cleanup_free_ struct in6_addr *addresses = NULL; size_t n_addresses = 0; @@ -954,6 +622,338 @@ int radv_add_prefix( return 0; } +void network_drop_invalid_prefixes(Network *network) { + Prefix *prefix; + + assert(network); + + HASHMAP_FOREACH(prefix, network->prefixes_by_section) + if (section_is_invalid(prefix->section)) + prefix_free(prefix); +} + +void network_drop_invalid_route_prefixes(Network *network) { + RoutePrefix *prefix; + + assert(network); + + HASHMAP_FOREACH(prefix, network->route_prefixes_by_section) + if (section_is_invalid(prefix->section)) + route_prefix_free(prefix); +} + +int config_parse_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_(prefix_free_or_set_invalidp) Prefix *p = NULL; + uint8_t prefixlen = 64; + union in_addr_union in6addr; + 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 = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen); + if (r < 0) { + log_syntax(unit, LOG_WARNING, filename, line, r, "Prefix is invalid, ignoring assignment: %s", rvalue); + return 0; + } + + r = sd_radv_prefix_set_prefix(p->radv_prefix, &in6addr.in6, prefixlen); + if (r < 0) { + log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to set radv prefix, ignoring assignment: %s", rvalue); + return 0; + } + + p = NULL; + + return 0; +} + +int config_parse_prefix_flags( + 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; + } + + 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, |