This patch modifies the proc output to add display of registered
loggers. The content of /proc/net/netfilter/nf_log is modified. Instead
of displaying a protocol per line with format:
proto:logger
it now displays:
proto:logger (comma_separated_list_of_loggers)
Signed-off-by: Eric Leblond <eric@xxxxxx>
---
net/netfilter/nf_log.c | 17 +++++++++++++++--
1 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 1655a1f..ee08b62 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -172,13 +172,26 @@ static int seq_show(struct seq_file *s, void *v)
{
loff_t *pos = v;
const struct nf_logger *logger;
+ struct nf_logger *t;
+ char loggers_string[256];
+ int len = 256;
logger = rcu_dereference(nf_loggers[*pos]);
+ memset(loggers_string, 0, len);
+ list_for_each_entry(t, &nf_loggers_l[*pos], list[*pos]) {
+ strncat(loggers_string, t->name, len);
+ strncat(loggers_string, ",", 1);
+ len -= strlen(t->name) + 1;
+ }
+ if (strlen(loggers_string))
+ loggers_string[strlen(loggers_string) -1] = 0;
+
if (!logger)
- return seq_printf(s, "%2lld NONE\n", *pos);
+ return seq_printf(s, "%2lld NONE (%s)\n", *pos, loggers_string);
- return seq_printf(s, "%2lld %s\n", *pos, logger->name);
+ return seq_printf(s, "%2lld %s (%s)\n", *pos, logger->name,
+ loggers_string);
}
static const struct seq_operations nflog_seq_ops = {
--
1.6.1
--
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