X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-link.c;h=6257372ffdcfa38a9f5f1e35daef7821021f5e5b;hb=4958aee4977f325be19f0e1e4b424922c3cada5f;hp=a523a3e9b2d7f47f16785e9ef8b3a46d7d671fd0;hpb=856f962c7a2e13b33f5b1c691efb2780f2c7afc3;p=elogind.git

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index a523a3e9b..6257372ff 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -21,6 +21,7 @@
 
 #include <netinet/ether.h>
 #include <linux/if.h>
+#include <unistd.h>
 
 #include "networkd.h"
 #include "libudev-private.h"
@@ -435,7 +436,6 @@ static int link_set_dhcp_routes(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->route_messages ++;
         }
 
@@ -467,7 +467,6 @@ static int link_enter_set_routes(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->route_messages ++;
         }
 
@@ -502,7 +501,6 @@ static int link_enter_set_routes(Link *link) {
                                 return r;
                         }
 
-                        link_ref(link);
                         link->route_messages ++;
                 }
         }
@@ -550,7 +548,6 @@ static int link_enter_set_routes(Link *link) {
                                 return r;
                         }
 
-                        link_ref(link);
                         link->route_messages ++;
 
                         route->family = AF_INET;
@@ -565,7 +562,6 @@ static int link_enter_set_routes(Link *link) {
                                 return r;
                         }
 
-                        link_ref(link);
                         link->route_messages ++;
                 }
 
@@ -603,10 +599,35 @@ static int route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata)
         return 0;
 }
 
+static int link_get_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+        _cleanup_link_unref_ Link *link = userdata;
+        int r;
+
+        assert(rtnl);
+        assert(m);
+        assert(link);
+        assert(link->manager);
+
+        for (; m; m = sd_rtnl_message_next(m)) {
+                r = sd_rtnl_message_get_errno(m);
+                if (r < 0) {
+                        log_debug_link(link, "getting address failed: %s", strerror(-r));
+                        continue;
+                }
+
+                r = link_rtnl_process_address(rtnl, m, link->manager);
+                if (r < 0)
+                        log_warning_link(link, "could not process address: %s", strerror(-r));
+        }
+
+        return 1;
+}
+
 static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
         _cleanup_link_unref_ Link *link = userdata;
         int r;
 
+        assert(rtnl);
         assert(m);
         assert(link);
         assert(link->ifname);
@@ -627,6 +648,11 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
                                 link->ifname, strerror(-r),
                                 "ERRNO=%d", -r,
                                 NULL);
+        if (r >= 0) {
+                /* calling handler directly so take a ref */
+                link_ref(link);
+                link_get_address_handler(rtnl, m, link);
+        }
 
         if (link->addr_messages == 0) {
                 log_debug_link(link, "addresses set");
@@ -662,7 +688,6 @@ static int link_enter_set_addresses(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->addr_messages ++;
         }
 
@@ -698,7 +723,6 @@ static int link_enter_set_addresses(Link *link) {
                                 return r;
                         }
 
-                        link_ref(link);
                         link->addr_messages ++;
                 }
         }
@@ -759,7 +783,6 @@ static int link_enter_set_addresses(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->addr_messages ++;
         }
 
@@ -956,7 +979,6 @@ static int dhcp_lease_lost(Link *link) {
                                         route->dst_prefixlen = routes[i].dst_prefixlen;
 
                                         route_drop(route, link, &route_drop_handler);
-                                        link_ref(link);
                                 }
                         }
                 }
@@ -977,7 +999,6 @@ static int dhcp_lease_lost(Link *link) {
                                 route_gw->scope = RT_SCOPE_LINK;
 
                                 route_drop(route_gw, link, &route_drop_handler);
-                                link_ref(link);
                         }
 
                         r = route_new_dynamic(&route);
@@ -986,7 +1007,6 @@ static int dhcp_lease_lost(Link *link) {
                                 route->in_addr.in = gateway;
 
                                 route_drop(route, link, &route_drop_handler);
-                                link_ref(link);
                         }
                 }
 
@@ -999,7 +1019,6 @@ static int dhcp_lease_lost(Link *link) {
                 address->prefixlen = prefixlen;
 
                 address_drop(address, link, &address_drop_handler);
-                link_ref(link);
         }
 
         if (link->network->dhcp_mtu) {
@@ -1266,7 +1285,6 @@ static int ipv4ll_address_update(Link *link, bool deprecate) {
                 address->broadcast.s_addr = address->in_addr.in.s_addr | htonl(0xfffffffflu >> address->prefixlen);
 
                 address_update(address, link, &address_update_handler);
-                link_ref(link);
         }
 
         return 0;
@@ -1299,7 +1317,6 @@ static int ipv4ll_address_lost(Link *link) {
                 address->scope = RT_SCOPE_LINK;
 
                 address_drop(address, link, &address_drop_handler);
-                link_ref(link);
 
                 r = route_new_dynamic(&route);
                 if (r < 0) {
@@ -1313,7 +1330,6 @@ static int ipv4ll_address_lost(Link *link) {
                 route->metrics = 99;
 
                 route_drop(route, link, &route_drop_handler);
-                link_ref(link);
         }
 
         return 0;
@@ -1809,7 +1825,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1833,7 +1848,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1857,7 +1871,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1878,7 +1891,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1899,7 +1911,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1920,7 +1931,6 @@ static int link_enter_enslave(Link *link) {
                         return r;
                 }
 
-                link_ref(link);
                 link->enslaving ++;
         }
 
@@ -1992,6 +2002,7 @@ static int link_configure(Link *link) {
                         if (r < 0)
                                 return r;
                 }
+
                 if (link->network->dhcp_routes) {
                         r = sd_dhcp_client_set_request_option(link->dhcp_client, DHCP_OPTION_STATIC_ROUTE);
                         if (r < 0)
@@ -2000,6 +2011,18 @@ static int link_configure(Link *link) {
                         if (r < 0)
                                 return r;
                 }
+
+                if (link->network->dhcp_sendhost) {
+                        _cleanup_free_ char *hostname = gethostname_malloc();
+                        if (!hostname)
+                                return -ENOMEM;
+
+                        if (!is_localhost(hostname)) {
+                                r = sd_dhcp_client_set_hostname(link->dhcp_client, hostname);
+                                if (r < 0)
+                                        return r;
+                        }
+                }
         }
 
         if (link->network->dhcp_server) {
@@ -2147,7 +2170,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
 
         r = address_new_dynamic(&address);
         if (r < 0)
-                return 0;
+                return r;
 
         r = sd_rtnl_message_addr_get_family(message, &address->family);
         if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) {
@@ -2211,7 +2234,10 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
         case RTM_NEWADDR:
                 if (!address_dropped)
                         log_debug_link(link, "added address: %s/%u", buf,
-                                      address->prefixlen);
+                                       address->prefixlen);
+                else
+                        log_debug_link(link, "updated address: %s/%u", buf,
+                                       address->prefixlen);
 
                 LIST_PREPEND(addresses, link->addresses, address);
                 address = NULL;
@@ -2222,10 +2248,12 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
         case RTM_DELADDR:
                 if (address_dropped) {
                         log_debug_link(link, "removed address: %s/%u", buf,
-                                      address->prefixlen);
+                                       address->prefixlen);
 
                         link_save(link);
-                }
+                } else
+                        log_warning_link(link, "removing non-existent address: %s/%u",
+                                         buf, address->prefixlen);
 
                 break;
         default:
@@ -2235,30 +2263,6 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
         return 1;
 }
 
-static int link_get_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
-        _cleanup_link_unref_ Link *link = userdata;
-        int r;
-
-        assert(rtnl);
-        assert(m);
-        assert(link);
-        assert(link->manager);
-
-        for (; m; m = sd_rtnl_message_next(m)) {
-                r = sd_rtnl_message_get_errno(m);
-                if (r < 0) {
-                        log_debug_link(link, "getting address failed: %s", strerror(-r));
-                        continue;
-                }
-
-                r = link_rtnl_process_address(rtnl, m, link->manager);
-                if (r < 0)
-                        log_warning_link(link, "could not process address: %s", strerror(-r));
-        }
-
-        return 1;
-}
-
 int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
         Link *link;
         _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;