diff options
Diffstat (limited to 'package/network/services/dnsmasq/patches/0017-Alter-DHCP-address-selection-after-DECLINE-in-consec.patch')
| -rw-r--r-- | package/network/services/dnsmasq/patches/0017-Alter-DHCP-address-selection-after-DECLINE-in-consec.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/package/network/services/dnsmasq/patches/0017-Alter-DHCP-address-selection-after-DECLINE-in-consec.patch b/package/network/services/dnsmasq/patches/0017-Alter-DHCP-address-selection-after-DECLINE-in-consec.patch deleted file mode 100644 index 1a3b341b9f..0000000000 --- a/package/network/services/dnsmasq/patches/0017-Alter-DHCP-address-selection-after-DECLINE-in-consec.patch +++ /dev/null @@ -1,57 +0,0 @@ -From e7bfd556c079c8b5e7425aed44abc35925b24043 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Mon, 31 Dec 2018 20:51:15 +0000 -Subject: [PATCH 17/32] Alter DHCP address selection after DECLINE in - consec-addr mode. Avoid offering the same address after a recieving a DECLINE - message to stop an infinite protocol loop. This has long been done in default - address allocation mode: this adds similar behaviour when allocaing addresses - consecutively. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/dhcp.c | 13 +++++++++++++ - src/dhcp6.c | 11 +++++++++-- - 2 files changed, 22 insertions(+), 2 deletions(-) - ---- a/src/dhcp.c -+++ b/src/dhcp.c -@@ -754,6 +754,19 @@ int address_allocate(struct dhcp_context - if (addr.s_addr == d->router.s_addr) - break; - -+ /* in consec-ip mode, skip addresses equal to -+ the number of addresses rejected by clients. This -+ should avoid the same client being offered the same -+ address after it has rjected it. */ -+ if (option_bool(OPT_CONSEC_ADDR)) -+ { -+ if (c->addr_epoch) -+ { -+ c->addr_epoch--; -+ d = context; /* d non-NULL skips the address. */ -+ } -+ } -+ - /* Addresses which end in .255 and .0 are broken in Windows even when using - supernetting. ie dhcp-range=192.168.0.1,192.168.1.254,255,255,254.0 - then 192.168.0.255 is a valid IP address, but not for Windows as it's ---- a/src/dhcp6.c -+++ b/src/dhcp6.c -@@ -431,8 +431,15 @@ struct dhcp_context *address6_allocate(s - else - { - if (!temp_addr && option_bool(OPT_CONSEC_ADDR)) -- /* seed is largest extant lease addr in this context */ -- start = lease_find_max_addr6(c) + serial; -+ { -+ /* seed is largest extant lease addr in this context, -+ skip addresses equal to the number of addresses rejected -+ by clients. This should avoid the same client being offered the same -+ address after it has rjected it. */ -+ start = lease_find_max_addr6(c) + serial + c->addr_epoch; -+ if (c->addr_epoch) -+ c->addr_epoch--; -+ } - else - { - u64 range = 1 + addr6part(&c->end6) - addr6part(&c->start6); |