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Diffstat (limited to 'src/network/networkd-address.c')
-rw-r--r--src/network/networkd-address.c185
1 files changed, 91 insertions, 94 deletions
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 316ae2e4cb..5d443e9b9b 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -95,8 +95,10 @@ void address_free(Address *address) {
UINT_TO_PTR(address->section));
}
- if (address->link)
+ if (address->link) {
set_remove(address->link->addresses, address);
+ set_remove(address->link->addresses_foreign, address);
+ }
free(address);
}
@@ -206,9 +208,9 @@ static int address_establish(Address *address, Link *link) {
assert(link);
masq = link->network &&
- link->network->ip_masquerade &&
- address->family == AF_INET &&
- address->scope < RT_SCOPE_LINK;
+ link->network->ip_masquerade &&
+ address->family == AF_INET &&
+ address->scope < RT_SCOPE_LINK;
/* Add firewall entry if this is requested */
if (address->ip_masquerade_done != masq) {
@@ -225,13 +227,17 @@ static int address_establish(Address *address, Link *link) {
return 0;
}
-int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
+static int address_add_internal(Link *link, Set **addresses,
+ int family,
+ const union in_addr_union *in_addr,
+ unsigned char prefixlen,
+ Address **ret) {
_cleanup_address_free_ Address *address = NULL;
int r;
assert(link);
+ assert(addresses);
assert(in_addr);
- assert(ret);
r = address_new(&address);
if (r < 0)
@@ -241,31 +247,46 @@ int address_add(Link *link, int family, const union in_addr_union *in_addr, unsi
address->in_addr = *in_addr;
address->prefixlen = prefixlen;
- r = set_ensure_allocated(&link->addresses, &address_hash_ops);
+ r = set_ensure_allocated(addresses, &address_hash_ops);
if (r < 0)
return r;
- r = set_put(link->addresses, address);
+ r = set_put(*addresses, address);
if (r < 0)
return r;
address->link = link;
- r = address_establish(address, link);
+ if (ret)
+ *ret = address;
+
+ address = NULL;
+
+ return 0;
+}
+
+int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
+ return address_add_internal(link, &link->addresses_foreign, family, in_addr, prefixlen, ret);
+}
+
+static int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
+ int r;
+
+ r = address_add_internal(link, &link->addresses, family, in_addr, prefixlen, ret);
if (r < 0)
return r;
- *ret = address;
- address = NULL;
+ link_update_operstate(link);
+ link_dirty(link);
return 0;
}
-static int address_release(Address *address, Link *link) {
+static int address_release(Address *address) {
int r;
assert(address);
- assert(link);
+ assert(address->link);
/* Remove masquerading firewall entry if it was added */
if (address->ip_masquerade_done) {
@@ -274,7 +295,7 @@ static int address_release(Address *address, Link *link) {
r = fw_add_masquerade(false, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0);
if (r < 0)
- log_link_warning_errno(link, r, "Failed to disable IP masquerading: %m");
+ log_link_warning_errno(address->link, r, "Failed to disable IP masquerading: %m");
address->ip_masquerade_done = false;
}
@@ -282,12 +303,42 @@ static int address_release(Address *address, Link *link) {
return 0;
}
+int address_update(Address *address, unsigned char flags, unsigned char scope, struct ifa_cacheinfo *cinfo) {
+ bool ready;
+
+ assert(address);
+ assert(cinfo);
+
+ ready = address_is_ready(address);
+
+ address->added = true;
+ address->flags = flags;
+ address->scope = scope;
+ address->cinfo = *cinfo;
+
+ if (!ready && address_is_ready(address) && address->link)
+ link_check_ready(address->link);
+
+ return 0;
+}
+
int address_drop(Address *address) {
+ Link *link;
+ bool ready;
+
assert(address);
- address_release(address, address->link);
+ ready = address_is_ready(address);
+ link = address->link;
+
+ address_release(address);
address_free(address);
+ link_update_operstate(link);
+
+ if (link && !ready)
+ link_check_ready(link);
+
return 0;
}
@@ -303,8 +354,11 @@ int address_get(Link *link, int family, const union in_addr_union *in_addr, unsi
address.prefixlen = prefixlen;
existing = set_get(link->addresses, &address);
- if (!existing)
- return -ENOENT;
+ if (!existing) {
+ existing = set_get(link->addresses_foreign, &address);
+ if (!existing)
+ return -ENOENT;
+ }
*ret = existing;
@@ -323,8 +377,6 @@ int address_remove(Address *address, Link *link,
assert(link->manager);
assert(link->manager->rtnl);
- address_release(address, link);
-
r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,
link->ifindex, address->family);
if (r < 0)
@@ -350,74 +402,6 @@ int address_remove(Address *address, Link *link,
return 0;
}
-int address_update(Address *address, Link *link,
- sd_netlink_message_handler_t callback) {
- _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
- int r;
-
- assert(address);
- assert(address->family == AF_INET || address->family == AF_INET6);
- assert(link->ifindex > 0);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
- link->ifindex, address->family);
- if (r < 0)
- return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
-
- r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set prefixlen: %m");
-
- address->flags |= IFA_F_PERMANENT;
-
- r = sd_rtnl_message_addr_set_flags(req, address->flags & 0xff);
- if (r < 0)
- return log_error_errno(r, "Could not set flags: %m");
-
- if (address->flags & ~0xff && link->rtnl_extended_attrs) {
- r = sd_netlink_message_append_u32(req, IFA_FLAGS, address->flags);
- if (r < 0)
- return log_error_errno(r, "Could not set extended flags: %m");
- }
-
- r = sd_rtnl_message_addr_set_scope(req, address->scope);
- if (r < 0)
- return log_error_errno(r, "Could not set scope: %m");
-
- if (address->family == AF_INET)
- r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
- else if (address->family == AF_INET6)
- r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
-
- if (address->family == AF_INET) {
- r = sd_netlink_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
- }
-
- if (address->label) {
- r = sd_netlink_message_append_string(req, IFA_LABEL, address->label);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
- }
-
- r = sd_netlink_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
-
- r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return 0;
-}
-
static int address_acquire(Link *link, Address *original, Address **ret) {
union in_addr_union in_addr = {};
struct in_addr broadcast = {};
@@ -477,8 +461,7 @@ static int address_acquire(Link *link, Address *original, Address **ret) {
return 0;
}
-int address_configure(Address *address, Link *link,
- sd_netlink_message_handler_t callback) {
+int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback, bool update) {
_cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
int r;
@@ -493,8 +476,12 @@ int address_configure(Address *address, Link *link,
if (r < 0)
return r;
- r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,
- link->ifindex, address->family);
+ if (update)
+ r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
+ link->ifindex, address->family);
+ else
+ r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,
+ link->ifindex, address->family);
if (r < 0)
return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
@@ -551,13 +538,23 @@ int address_configure(Address *address, Link *link,
if (r < 0)
return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
- r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
+ r = address_establish(address, link);
if (r < 0)
+ return r;
+
+ r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
+ if (r < 0) {
+ address_release(address);
return log_error_errno(r, "Could not send rtnetlink message: %m");
+ }
link_ref(link);
- address_establish(address, link);
+ r = address_add(link, address->family, &address->in_addr, address->prefixlen, NULL);
+ if (r < 0) {
+ address_release(address);
+ return log_error_errno(r, "Could not add address: %m");
+ }
return 0;
}
@@ -742,5 +739,5 @@ int config_parse_label(const char *unit,
bool address_is_ready(const Address *a) {
assert(a);
- return !(a->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED));
+ return a->added && !(a->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED));
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-27 09:39:05 +0000