From f8aec603aa7e9dad1316079d42c7efcc52b773fa Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 17 Feb 2020 22:38:13 +0100 Subject: src: initial extended netlink error reporting This patch correlates the in-kernel extended netlink error offset and the location information. Assuming 'foo' table does not exist, then error reporting shows: # nft delete table foo Error: Could not process rule: No such file or directory delete table foo ^^^ Similarly, if table uniquely identified by handle '1234' does not exist, then error reporting shows: # nft delete table handle 1234 Error: Could not process rule: No such file or directory delete table handle 1234 ^^^^ Assuming 'bar' chain does not exists in the kernel, while 'foo' does: # nft delete chain foo bar Error: Could not process rule: No such file or directory delete chain foo bar ^^^ This also gives us a hint when adding rules: # nft add rule ip foo bar counter Error: Could not process rule: No such file or directory add rule ip foo bar counter ^^^ This is based on ("src: basic support for extended netlink errors") from Florian Westphal, posted in 2018, with no netlink offset correlation support. Signed-off-by: Pablo Neira Ayuso --- src/Makefile.am | 1 + 1 file changed, 1 insertion(+) (limited to 'src/Makefile.am') diff --git a/src/Makefile.am b/src/Makefile.am index 740c21f2..9142ab44 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -32,6 +32,7 @@ libnftables_la_SOURCES = \ rule.c \ statement.c \ cache.c \ + cmd.c \ datatype.c \ expression.c \ evaluate.c \ -- cgit v1.2.3