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authorElias Rudberg <elias.rudberg@bahnhof.net>2020-05-27 01:03:46 +0200
committerPaul Vinciguerra <pvinci@vinciconsulting.com>2020-05-29 12:57:20 +0000
commit2dca180db989ea7afacdf4e70cc85e4408557382 (patch)
tree4c39820ba7626f5009f72bd8b035dc49c575dfb4 /src/vnet/ipfix-export/flow_report.c
parentaeb18d37b4874c18ec0a64d1cd1c597707a67edc (diff)
misc: ipfix-export unformat u16 collector_port fix
Use %U and unformat_udp_port instead of %u for unformat() call for u16 collector_port number in set_ipfix_exporter_command_fn() to avoid corruption of other variables which can happen if unformat() with %u is used with a 16-bit variable. This avoids crash due to corrupted fib_index value. Type: fix Signed-off-by: Elias Rudberg <elias.rudberg@bahnhof.net> Change-Id: Id54273fcc458a7f9c5aa4025aa91711f160c1c1a
Diffstat (limited to 'src/vnet/ipfix-export/flow_report.c')
-rw-r--r--src/vnet/ipfix-export/flow_report.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/ipfix-export/flow_report.c b/src/vnet/ipfix-export/flow_report.c
index 1976ffc0796..56a2d16b8d5 100644
--- a/src/vnet/ipfix-export/flow_report.c
+++ b/src/vnet/ipfix-export/flow_report.c
@@ -500,7 +500,8 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm,
{
if (unformat (input, "collector %U", unformat_ip4_address, &collector))
;
- else if (unformat (input, "port %u", &collector_port))
+ else if (unformat (input, "port %U", unformat_udp_port,
+ &collector_port))
;
else if (unformat (input, "src %U", unformat_ip4_address, &src))
;