From fc53809803cd2bc2434e312b19a18fa36776da12 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 05:50:40 +0200
Subject: Adding upstream version 256.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/libsystemd/sd-netlink/netlink-util.h | 56 +++++++++++++++++++++++---------
 1 file changed, 40 insertions(+), 16 deletions(-)

(limited to 'src/libsystemd/sd-netlink/netlink-util.h')

diff --git a/src/libsystemd/sd-netlink/netlink-util.h b/src/libsystemd/sd-netlink/netlink-util.h
index 369f5d5..4ba64f0 100644
--- a/src/libsystemd/sd-netlink/netlink-util.h
+++ b/src/libsystemd/sd-netlink/netlink-util.h
@@ -10,24 +10,32 @@
 #include "ordered-set.h"
 #include "socket-util.h"
 
+#define RTA_FLAGS(rta) ((rta)->rta_type & ~NLA_TYPE_MASK)
+#define RTA_TYPE(rta)  ((rta)->rta_type & NLA_TYPE_MASK)
+
 /* See struct rtvia in rtnetlink.h */
 typedef struct RouteVia {
         uint16_t family;
         union in_addr_union address;
 } _packed_ RouteVia;
 
-typedef struct MultipathRoute {
-        RouteVia gateway;
-        uint32_t weight;
-        int ifindex;
-        char *ifname;
-} MultipathRoute;
+int rtnl_get_ifname_full(sd_netlink **rtnl, int ifindex, char **ret_name, char ***ret_altnames);
 
-MultipathRoute *multipath_route_free(MultipathRoute *m);
-DEFINE_TRIVIAL_CLEANUP_FUNC(MultipathRoute*, multipath_route_free);
+typedef enum ResolveInterfaceNameFlag {
+        RESOLVE_IFNAME_MAIN        = 1 << 0, /* resolve main interface name */
+        RESOLVE_IFNAME_ALTERNATIVE = 1 << 1, /* resolve alternative name */
+        RESOLVE_IFNAME_NUMERIC     = 1 << 2, /* resolve decimal formatted ifindex */
+        _RESOLVE_IFNAME_ALL        = RESOLVE_IFNAME_MAIN | RESOLVE_IFNAME_ALTERNATIVE | RESOLVE_IFNAME_NUMERIC,
+} ResolveInterfaceNameFlag;
 
-int multipath_route_dup(const MultipathRoute *m, MultipathRoute **ret);
+int rtnl_resolve_ifname_full(
+                  sd_netlink **rtnl,
+                  ResolveInterfaceNameFlag flags,
+                  const char *name,
+                  char **ret_name,
+                  char ***ret_altnames);
 
+int rtnl_rename_link(sd_netlink **rtnl, const char *orig_name, const char *new_name);
 int rtnl_set_link_name(sd_netlink **rtnl, int ifindex, const char *name, char* const* alternative_names);
 static inline int rtnl_append_link_alternative_names(sd_netlink **rtnl, int ifindex, char* const *alternative_names) {
         return rtnl_set_link_name(rtnl, ifindex, NULL, alternative_names);
@@ -43,14 +51,32 @@ int rtnl_set_link_properties(
                 uint32_t mtu,
                 uint32_t gso_max_size,
                 size_t gso_max_segments);
-int rtnl_get_link_alternative_names(sd_netlink **rtnl, int ifindex, char ***ret);
+static inline int rtnl_get_link_alternative_names(sd_netlink **rtnl, int ifindex, char ***ret) {
+        return rtnl_get_ifname_full(rtnl, ifindex, NULL, ret);
+}
 int rtnl_set_link_alternative_names(sd_netlink **rtnl, int ifindex, char* const *alternative_names);
 int rtnl_set_link_alternative_names_by_ifname(sd_netlink **rtnl, const char *ifname, char* const *alternative_names);
 int rtnl_delete_link_alternative_names(sd_netlink **rtnl, int ifindex, char* const *alternative_names);
-int rtnl_resolve_link_alternative_name(sd_netlink **rtnl, const char *name, char **ret);
-int rtnl_resolve_ifname(sd_netlink **rtnl, const char *name);
-int rtnl_resolve_interface(sd_netlink **rtnl, const char *name);
-int rtnl_resolve_interface_or_warn(sd_netlink **rtnl, const char *name);
+static inline int rtnl_resolve_link_alternative_name(sd_netlink **rtnl, const char *name, char **ret) {
+        return rtnl_resolve_ifname_full(rtnl, RESOLVE_IFNAME_ALTERNATIVE, name, ret, NULL);
+}
+static inline int rtnl_resolve_ifname(sd_netlink **rtnl, const char *name) {
+        return rtnl_resolve_ifname_full(rtnl, RESOLVE_IFNAME_MAIN | RESOLVE_IFNAME_ALTERNATIVE, name, NULL, NULL);
+}
+static inline int rtnl_resolve_interface(sd_netlink **rtnl, const char *name) {
+        return rtnl_resolve_ifname_full(rtnl, _RESOLVE_IFNAME_ALL, name, NULL, NULL);
+}
+static inline int rtnl_resolve_interface_or_warn(sd_netlink **rtnl, const char *name) {
+        int r;
+
+        assert(name);
+
+        r = rtnl_resolve_interface(rtnl, name);
+        if (r < 0)
+                return log_error_errno(r, "Failed to resolve interface \"%s\": %m", name);
+        return r;
+}
+
 int rtnl_get_link_info(
                 sd_netlink **rtnl,
                 int ifindex,
@@ -103,8 +129,6 @@ int netlink_message_read_in_addr_union(sd_netlink_message *m, unsigned short typ
 void rtattr_append_attribute_internal(struct rtattr *rta, unsigned short type, const void *data, size_t data_length);
 int rtattr_append_attribute(struct rtattr **rta, unsigned short type, const void *data, size_t data_length);
 
-int rtattr_read_nexthop(const struct rtnexthop *rtnh, size_t size, int family, OrderedSet **ret);
-
 void netlink_seal_message(sd_netlink *nl, sd_netlink_message *m);
 
 size_t netlink_get_reply_callback_count(sd_netlink *nl);
-- 
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