X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-address.c;h=a85e8fa21ec168c0fa535473551a66d2f4ffe652;hb=2783fe064b36a747d5de05493c0bdc5b029c445e;hp=e595cd6e94682f10f403ff452a7fe73733e42816;hpb=0b1831c20c4d30077b6560b2b7d88bdb220d5cef;p=elogind.git

diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index e595cd6e9..a85e8fa21 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -117,33 +117,23 @@ int address_drop(Address *address, Link *link,
 
         r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,
                                      link->ifindex, address->family);
-        if (r < 0) {
-                log_error("Could not allocate RTM_DELADDR message: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not allocate RTM_DELADDR message: %m");
 
         r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
-        if (r < 0) {
-                log_error("Could not set prefixlen: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set prefixlen: %m");
 
         if (address->family == AF_INET)
                 r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
         else if (address->family == AF_INET6)
                 r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
-        if (r < 0) {
-                log_error("Could not append IFA_LOCAL attribute: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
 
         r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
-        if (r < 0) {
-                log_error("Could not send rtnetlink message: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not send rtnetlink message: %m");
 
         link_ref(link);
 
@@ -163,70 +153,47 @@ int address_update(Address *address, Link *link,
 
         r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
                                      link->ifindex, address->family);
-        if (r < 0) {
-                log_error("Could not allocate RTM_NEWADDR message: %s",
-                          strerror(-r));
-                return r;
-        }
+        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) {
-                log_error("Could not set prefixlen: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set prefixlen: %m");
 
         r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
-        if (r < 0) {
-                log_error("Could not set flags: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set flags: %m");
 
         r = sd_rtnl_message_addr_set_scope(req, address->scope);
-        if (r < 0) {
-                log_error("Could not set scope: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set scope: %m");
 
         if (address->family == AF_INET)
                 r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
         else if (address->family == AF_INET6)
                 r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
-        if (r < 0) {
-                log_error("Could not append IFA_LOCAL attribute: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
 
         if (address->family == AF_INET) {
                 r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
-                if (r < 0) {
-                        log_error("Could not append IFA_BROADCAST attribute: %s",
-                                  strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
         }
 
         if (address->label) {
                 r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
-                if (r < 0) {
-                        log_error("Could not append IFA_LABEL attribute: %s",
-                                  strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
         }
 
         r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo);
-        if (r < 0) {
-                log_error("Could not append IFA_CACHEINFO attribute: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
 
         r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
-        if (r < 0) {
-                log_error("Could not send rtnetlink message: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not send rtnetlink message: %m");
 
         link_ref(link);
 
@@ -251,11 +218,11 @@ static int address_acquire(Link *link, Address *original, Address **ret) {
          * Then let's acquire something more useful from the pool. */
         r = manager_address_pool_acquire(link->manager, original->family, original->prefixlen, &in_addr);
         if (r < 0) {
-                log_error_link(link, "Failed to acquire address from pool: %s", strerror(-r));
+                log_link_error(link, "Failed to acquire address from pool: %s", strerror(-r));
                 return r;
         }
         if (r == 0) {
-                log_error_link(link, "Couldn't find free address for interface, all taken.");
+                log_link_error(link, "Couldn't find free address for interface, all taken.");
                 return -EBUSY;
         }
 
@@ -312,83 +279,57 @@ int address_configure(Address *address, Link *link,
 
         r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,
                                      link->ifindex, address->family);
-        if (r < 0) {
-                log_error("Could not allocate RTM_NEWADDR message: %s",
-                          strerror(-r));
-                return r;
-        }
+        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) {
-                log_error("Could not set prefixlen: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set prefixlen: %m");
 
         r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
-        if (r < 0) {
-                log_error("Could not set flags: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set flags: %m");
 
         r = sd_rtnl_message_addr_set_scope(req, address->scope);
-        if (r < 0) {
-                log_error("Could not set scope: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not set scope: %m");
 
         if (address->family == AF_INET)
                 r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
         else if (address->family == AF_INET6)
                 r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
-        if (r < 0) {
-                log_error("Could not append IFA_LOCAL attribute: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
 
         if (!in_addr_is_null(address->family, &address->in_addr_peer)) {
                 if (address->family == AF_INET)
                         r = sd_rtnl_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in);
                 else if (address->family == AF_INET6)
                         r = sd_rtnl_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6);
-                if (r < 0) {
-                        log_error("Could not append IFA_ADDRESS attribute: %s",
-                                  strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m");
         } else {
                 if (address->family == AF_INET) {
                         r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
-                        if (r < 0) {
-                                log_error("Could not append IFA_BROADCAST attribute: %s",
-                                          strerror(-r));
-                                return r;
-                        }
+                        if (r < 0)
+                                return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
                 }
         }
 
         if (address->label) {
                 r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
-                if (r < 0) {
-                        log_error("Could not append IFA_LABEL attribute: %s",
-                                  strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
         }
 
         r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO,
                                               &address->cinfo);
-        if (r < 0) {
-                log_error("Could not append IFA_CACHEINFO attribute: %s",
-                          strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
 
         r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
-        if (r < 0) {
-                log_error("Could not send rtnetlink message: %s", strerror(-r));
-                return r;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Could not send rtnetlink message: %m");
 
         link_ref(link);
 
@@ -482,7 +423,7 @@ int config_parse_address(const char *unit,
                 r = safe_atou(e + 1, &i);
                 if (r < 0) {
                         log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Interface prefix length is invalid, ignoring assignment: %s", e + 1);
+                                   "Prefix length is invalid, ignoring assignment: %s", e + 1);
                         return 0;
                 }
 
@@ -499,6 +440,15 @@ int config_parse_address(const char *unit,
                 return 0;
         }
 
+        if (!e && f == AF_INET) {
+                r = in_addr_default_prefixlen(&buffer.in, &n->prefixlen);
+                if (r < 0) {
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                                   "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address);
+                        return 0;
+                }
+        }
+
         if (n->family != AF_UNSPEC && f != n->family) {
                 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
                            "Address is incompatible, ignoring assignment: %s", address);