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Substitute local address for [::] DHCPv6 options, like DHCPv4.

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This commit is contained in:
Simon Kelley
2012-02-29 11:45:37 +00:00
parent 248489401a
commit 4b86b65d07
1 changed files with 20 additions and 5 deletions
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25
src/rfc3315.c
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@@ -1177,11 +1177,27 @@ static int dhcp6_no_relay(int msg_type, struct in6_addr *link_address, struct dh
}
o = new_opt6(opt_cfg->opt);
/* Maye be empty */
if (opt_cfg->val)
if (opt_cfg->flags & DHOPT_ADDR6)
{
int j;
struct in6_addr *a = (struct in6_addr *)opt_cfg->val;
for (j = 0; j < opt_cfg->len; j+=IN6ADDRSZ, a++)
{
/* zero means "self" (but not in vendorclass options.) */
if (IN6_IS_ADDR_UNSPECIFIED(a))
{
if (IN6_IS_ADDR_UNSPECIFIED(&context->local6))
put_opt6(fallback, IN6ADDRSZ);
else
put_opt6(&context->local6, IN6ADDRSZ);
}
else
put_opt6(a, IN6ADDRSZ);
}
}
else if (opt_cfg->val)
put_opt6(opt_cfg->val, opt_cfg->len);
end_opt6(o);
}
if (!done_dns &&
@@ -1200,8 +1216,7 @@ static int dhcp6_no_relay(int msg_type, struct in6_addr *link_address, struct dh
dhcp-option = vi-encap:13,17,....... */
for (opt_cfg = daemon->dhcp_opts6; opt_cfg; opt_cfg = opt_cfg->next)
opt_cfg->flags &= ~DHOPT_ENCAP_DONE;
if (oro)
for (i = 0; i < opt6_len(oro) - 1; i += 2)
if (opt6_uint(oro, i, 2) == OPTION6_VENDOR_OPTS)