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Merge pull request #16 from netfoundry/v0.4.6_release_candidate_nf
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Fixed potential race condition for filter application in case dhcp no…
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r-caamano authored Aug 14, 2023
2 parents 0b725b3 + 153cad3 commit b71148b
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7 changes: 7 additions & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,13 @@
All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

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# [0.4.6] - 2023-08-13

###

- Fixed potential race condition if upstream DHCP server is not functioning when FW inits ebpf.
Changed address family match to ethernet when applying TC Filters/Diag settings.

# [0.4.5] - 2023-08-03

###
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10 changes: 7 additions & 3 deletions src/zfw.c
Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ char *monitor_interface;
char *tc_interface;
char *object_file;
char *direction_string;
const char *argp_program_version = "0.4.5";
const char *argp_program_version = "0.4.6";
struct ring_buffer *ring_buffer;

__u8 if_list[MAX_IF_LIST_ENTRIES];
Expand Down Expand Up @@ -1017,7 +1017,9 @@ void interface_tc()
*/
while (address)
{
if (address->ifa_addr && (address->ifa_addr->sa_family == AF_INET))
if(address->ifa_addr && ((!strncmp(address->ifa_name, "ziti0", 4) && (address->ifa_addr->sa_family == AF_INET))
|| (!strncmp(address->ifa_name, "tun", 3) && (address->ifa_addr->sa_family == AF_INET))
|| (address->ifa_addr->sa_family == AF_PACKET)))
{
idx = if_nametoindex(address->ifa_name);
if(!idx){
Expand Down Expand Up @@ -1117,7 +1119,9 @@ void interface_diag()
*/
while (address)
{
if (address->ifa_addr && (address->ifa_addr->sa_family == AF_INET))
if (address->ifa_addr && ((!strncmp(address->ifa_name, "ziti0", 4) && (address->ifa_addr->sa_family == AF_INET))
|| (!strncmp(address->ifa_name, "tun", 3) && (address->ifa_addr->sa_family == AF_INET))
|| (address->ifa_addr->sa_family == AF_PACKET)))
{
idx = if_nametoindex(address->ifa_name);
if(!idx){
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