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DHCPv6 IAID should be of unsigned type. It is derived from strtoul() in lease.c:read_leases() and already now interpreted as unsigned in helper.c:276 and outpacket.c:put_opt6_long(). RFC3315 (section 22.4) shows that the IAID is 4 bytes long so we do not need to go up to unsigned long.

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Signed-off-by: Dominik DL6ER <dl6er@dl6er.de>
This commit is contained in:
Dominik DL6ER
2019-10-20 18:51:52 +02:00
committed by Simon Kelley
parent 157d8cfd6a
commit 456a319775
5 changed files with 17 additions and 12 deletions
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4
src/rfc3315.c
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@@ -21,11 +21,11 @@
struct state {
unsigned char *clid;
int clid_len, iaid, ia_type, interface, hostname_auth, lease_allocate;
int clid_len, ia_type, interface, hostname_auth, lease_allocate;
char *client_hostname, *hostname, *domain, *send_domain;
struct dhcp_context *context;
struct in6_addr *link_address, *fallback, *ll_addr, *ula_addr;
unsigned int xid, fqdn_flags;
unsigned int xid, fqdn_flags, iaid;
char *iface_name;
void *packet_options, *end;
struct dhcp_netid *tags, *context_tags;