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config/localnet: avoid shift UB in CIDR mask parsing

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closes #622
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rofl0r
2026-08-27 14:15:16 +00:00
parent ae515cd95a
commit 68d4d111f2
1 changed files with 1 additions and 1 deletions
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2
src/libproxychains.c
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@@ -458,7 +458,7 @@ inv_host:
if (valid) {
if(local_family == AF_INET && local_prefix <= 32) {
localnet_addr[num_localnet_addr].in_mask.s_addr =
htonl(0xFFFFFFFFu << (32u - local_prefix));
local_prefix ? htonl(0xFFFFFFFFu << (32u - local_prefix)) : 0;
} else if(local_family == AF_INET6 && local_prefix <= 128) {
localnet_addr[num_localnet_addr].in6_prefix =
local_prefix;