diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/network/networkd-dhcp4.c | 2 | ||||
| -rw-r--r-- | src/network/networkd-dhcp6.c | 2 | ||||
| -rw-r--r-- | src/network/networkd-ipv4ll.c | 2 | ||||
| -rw-r--r-- | src/network/networkd-link.c | 164 | ||||
| -rw-r--r-- | src/network/networkd-link.h | 3 | ||||
| -rw-r--r-- | src/network/networkd-manager.c | 166 | ||||
| -rw-r--r-- | src/network/networkd.h | 2 |
7 files changed, 172 insertions, 169 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c index 2a0900d5b1..0b7c016280 100644 --- a/src/network/networkd-dhcp4.c +++ b/src/network/networkd-dhcp4.c @@ -267,7 +267,7 @@ static int dhcp4_address_handler(sd_netlink *rtnl, sd_netlink_message *m, log_link_error_errno(link, r, "Could not set DHCPv4 address: %m"); link_enter_failed(link); } else if (r >= 0) - link_rtnl_process_address(rtnl, m, link->manager); + manager_rtnl_process_address(rtnl, m, link->manager); link_set_dhcp_routes(link); diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c index a58af06198..2f9ecf7a89 100644 --- a/src/network/networkd-dhcp6.c +++ b/src/network/networkd-dhcp6.c @@ -58,7 +58,7 @@ static int dhcp6_address_handler(sd_netlink *rtnl, sd_netlink_message *m, link_enter_failed(link); } else if (r >= 0) - link_rtnl_process_address(rtnl, m, link->manager); + manager_rtnl_process_address(rtnl, m, link->manager); return 1; } diff --git a/src/network/networkd-ipv4ll.c b/src/network/networkd-ipv4ll.c index f55b00d36c..75d82de516 100644 --- a/src/network/networkd-ipv4ll.c +++ b/src/network/networkd-ipv4ll.c @@ -105,7 +105,7 @@ static int ipv4ll_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void log_link_error_errno(link, r, "could not set ipv4ll address: %m"); link_enter_failed(link); } else if (r >= 0) - link_rtnl_process_address(rtnl, m, link->manager); + manager_rtnl_process_address(rtnl, m, link->manager); link->ipv4ll_address = true; diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index 6c35cafbf5..fe701d8c84 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -624,7 +624,7 @@ static int address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userda if (r < 0 && r != -EEXIST) log_link_warning_errno(link, r, "could not set address: %m"); else if (r >= 0) - link_rtnl_process_address(rtnl, m, link->manager); + manager_rtnl_process_address(rtnl, m, link->manager); if (link->link_messages == 0) { log_link_debug(link, "Addresses set"); @@ -2024,7 +2024,7 @@ int link_initialized(Link *link, struct udev_device *device) { return 0; } -static Address* link_get_equal_address(Link *link, Address *needle) { +Address* link_get_equal_address(Link *link, Address *needle) { Address *i; assert(link); @@ -2037,166 +2037,6 @@ static Address* link_get_equal_address(Link *link, Address *needle) { return NULL; } -int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { - Manager *m = userdata; - Link *link = NULL; - uint16_t type; - _cleanup_address_free_ Address *address = NULL; - unsigned char flags; - Address *existing; - char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX]; - const char *valid_str = NULL; - int r, ifindex; - - assert(rtnl); - assert(message); - assert(m); - - if (sd_netlink_message_is_error(message)) { - r = sd_netlink_message_get_errno(message); - if (r < 0) - log_warning_errno(r, "rtnl: failed to receive address: %m"); - - return 0; - } - - r = sd_netlink_message_get_type(message, &type); - if (r < 0) { - log_warning_errno(r, "rtnl: could not get message type: %m"); - return 0; - } else if (type != RTM_NEWADDR && type != RTM_DELADDR) { - log_warning("rtnl: received unexpected message type when processing address"); - return 0; - } - - r = sd_rtnl_message_addr_get_ifindex(message, &ifindex); - if (r < 0) { - log_warning_errno(r, "rtnl: could not get ifindex from address: %m"); - return 0; - } else if (ifindex <= 0) { - log_warning("rtnl: received address message with invalid ifindex: %d", ifindex); - return 0; - } else { - r = link_get(m, ifindex, &link); - if (r < 0 || !link) { - /* when enumerating we might be out of sync, but we will - * get the address again, so just ignore it */ - if (!m->enumerating) - log_warning("rtnl: received address for nonexistent link (%d), ignoring", ifindex); - return 0; - } - } - - r = address_new(&address); - if (r < 0) - return r; - - r = sd_rtnl_message_addr_get_family(message, &address->family); - if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) { - log_link_warning(link, "rtnl: received address with invalid family, ignoring."); - return 0; - } - - r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen); - if (r < 0) { - log_link_warning_errno(link, r, "rtnl: received address with invalid prefixlen, ignoring: %m"); - return 0; - } - - r = sd_rtnl_message_addr_get_scope(message, &address->scope); - if (r < 0) { - log_link_warning_errno(link, r, "rtnl: received address with invalid scope, ignoring: %m"); - return 0; - } - - r = sd_rtnl_message_addr_get_flags(message, &flags); - if (r < 0) { - log_link_warning_errno(link, r, "rtnl: received address with invalid flags, ignoring: %m"); - return 0; - } - address->flags = flags; - - switch (address->family) { - case AF_INET: - r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in); - if (r < 0) { - log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); - return 0; - } - - break; - - case AF_INET6: - r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6); - if (r < 0) { - log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); - return 0; - } - - break; - - default: - assert_not_reached("invalid address family"); - } - - if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) { - log_link_warning(link, "Could not print address"); - return 0; - } - - r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo); - if (r >= 0) { - if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME) - valid_str = "ever"; - else - valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX, - address->cinfo.ifa_valid * USEC_PER_SEC, - USEC_PER_SEC); - } - - existing = link_get_equal_address(link, address); - - switch (type) { - case RTM_NEWADDR: - if (existing) { - log_link_debug(link, "Updating address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); - - - existing->scope = address->scope; - existing->flags = address->flags; - existing->cinfo = address->cinfo; - - } else { - log_link_debug(link, "Adding address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); - - LIST_PREPEND(addresses, link->addresses, address); - address_establish(address, link); - - address = NULL; - - link_save(link); - } - - break; - - case RTM_DELADDR: - - if (existing) { - log_link_debug(link, "Removing address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); - address_release(existing, link); - LIST_REMOVE(addresses, link->addresses, existing); - address_free(existing); - } else - log_link_warning(link, "Removing non-existent address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); - - break; - default: - assert_not_reached("Received invalid RTNL message type"); - } - - return 1; -} - int link_add(Manager *m, sd_netlink_message *message, Link **ret) { Link *link; _cleanup_udev_device_unref_ struct udev_device *device = NULL; diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h index 7b219c6854..b14ace9358 100644 --- a/src/network/networkd-link.h +++ b/src/network/networkd-link.h @@ -120,6 +120,8 @@ int link_get(Manager *m, int ifindex, Link **ret); int link_add(Manager *manager, sd_netlink_message *message, Link **ret); void link_drop(Link *link); +Address *link_get_equal_address(Link *link, Address *address); + int link_address_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); int link_route_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); @@ -129,7 +131,6 @@ int link_initialized(Link *link, struct udev_device *device); void link_client_handler(Link *link); int link_update(Link *link, sd_netlink_message *message); -int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata); int link_save(Link *link); diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index e42f2a4c1e..3a733dc3c3 100644 --- a/src/network/networkd-manager.c +++ b/src/network/networkd-manager.c @@ -277,6 +277,166 @@ static int manager_connect_udev(Manager *m) { return 0; } +int manager_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { + Manager *m = userdata; + Link *link = NULL; + uint16_t type; + _cleanup_address_free_ Address *address = NULL; + unsigned char flags; + Address *existing; + char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX]; + const char *valid_str = NULL; + int r, ifindex; + + assert(rtnl); + assert(message); + assert(m); + + if (sd_netlink_message_is_error(message)) { + r = sd_netlink_message_get_errno(message); + if (r < 0) + log_warning_errno(r, "rtnl: failed to receive address: %m"); + + return 0; + } + + r = sd_netlink_message_get_type(message, &type); + if (r < 0) { + log_warning_errno(r, "rtnl: could not get message type: %m"); + return 0; + } else if (type != RTM_NEWADDR && type != RTM_DELADDR) { + log_warning("rtnl: received unexpected message type when processing address"); + return 0; + } + + r = sd_rtnl_message_addr_get_ifindex(message, &ifindex); + if (r < 0) { + log_warning_errno(r, "rtnl: could not get ifindex from address: %m"); + return 0; + } else if (ifindex <= 0) { + log_warning("rtnl: received address message with invalid ifindex: %d", ifindex); + return 0; + } else { + r = link_get(m, ifindex, &link); + if (r < 0 || !link) { + /* when enumerating we might be out of sync, but we will + * get the address again, so just ignore it */ + if (!m->enumerating) + log_warning("rtnl: received address for nonexistent link (%d), ignoring", ifindex); + return 0; + } + } + + r = address_new(&address); + if (r < 0) + return r; + + r = sd_rtnl_message_addr_get_family(message, &address->family); + if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) { + log_link_warning(link, "rtnl: received address with invalid family, ignoring."); + return 0; + } + + r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen); + if (r < 0) { + log_link_warning_errno(link, r, "rtnl: received address with invalid prefixlen, ignoring: %m"); + return 0; + } + + r = sd_rtnl_message_addr_get_scope(message, &address->scope); + if (r < 0) { + log_link_warning_errno(link, r, "rtnl: received address with invalid scope, ignoring: %m"); + return 0; + } + + r = sd_rtnl_message_addr_get_flags(message, &flags); + if (r < 0) { + log_link_warning_errno(link, r, "rtnl: received address with invalid flags, ignoring: %m"); + return 0; + } + address->flags = flags; + + switch (address->family) { + case AF_INET: + r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in); + if (r < 0) { + log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); + return 0; + } + + break; + + case AF_INET6: + r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6); + if (r < 0) { + log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m"); + return 0; + } + + break; + + default: + assert_not_reached("invalid address family"); + } + + if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) { + log_link_warning(link, "Could not print address"); + return 0; + } + + r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo); + if (r >= 0) { + if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME) + valid_str = "ever"; + else + valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX, + address->cinfo.ifa_valid * USEC_PER_SEC, + USEC_PER_SEC); + } + + existing = link_get_equal_address(link, address); + + switch (type) { + case RTM_NEWADDR: + if (existing) { + log_link_debug(link, "Updating address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); + + + existing->scope = address->scope; + existing->flags = address->flags; + existing->cinfo = address->cinfo; + + } else { + log_link_debug(link, "Adding address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); + + LIST_PREPEND(addresses, link->addresses, address); + address_establish(address, link); + + address = NULL; + + link_save(link); + } + + break; + + case RTM_DELADDR: + + if (existing) { + log_link_debug(link, "Removing address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); + address_release(existing, link); + LIST_REMOVE(addresses, link->addresses, existing); + address_free(existing); + } else + log_link_warning(link, "Removing non-existent address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str); + + break; + default: + assert_not_reached("Received invalid RTNL message type"); + } + + return 1; +} + static int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { Manager *m = userdata; Link *link = NULL; @@ -410,11 +570,11 @@ static int manager_connect_rtnl(Manager *m) { if (r < 0) return r; - r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, &manager_rtnl_process_address, m); if (r < 0) return r; - r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m); + r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, &manager_rtnl_process_address, m); if (r < 0) return r; @@ -633,7 +793,7 @@ int manager_rtnl_enumerate_addresses(Manager *m) { m->enumerating = true; - k = link_rtnl_process_address(m->rtnl, addr, m); + k = manager_rtnl_process_address(m->rtnl, addr, m); if (k < 0) r = k; diff --git a/src/network/networkd.h b/src/network/networkd.h index eea57ac158..cbec6d5b7e 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -80,6 +80,8 @@ bool manager_should_reload(Manager *m); int manager_rtnl_enumerate_links(Manager *m); int manager_rtnl_enumerate_addresses(Manager *m); +int manager_rtnl_process_address(sd_netlink *nl, sd_netlink_message *message, void *userdata); + int manager_send_changed(Manager *m, const char *property, ...) _sentinel_; int manager_save(Manager *m); |