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import of dnsmasq-2.18.tar.gz

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This commit is contained in:
Simon Kelley
2004-11-21 19:34:28 +00:00
parent 26128d2747
commit 59353a6b56
11 changed files with 225 additions and 141 deletions
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30
src/dhcp.c
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@@ -375,7 +375,7 @@ void dhcp_packet(struct daemon *daemon, time_t now)
}
}
int address_available(struct dhcp_context *context, struct in_addr taddr)
struct dhcp_context *address_available(struct dhcp_context *context, struct in_addr taddr)
{
/* Check is an address is OK for this network, check all
possible ranges. */
@@ -390,12 +390,34 @@ int address_available(struct dhcp_context *context, struct in_addr taddr)
if (!context->static_only &&
addr >= start &&
addr <= end)
return 1;
return context;
}
return 0;
return NULL;
}
struct dhcp_context *narrow_context(struct dhcp_context *context, struct in_addr taddr)
{
/* We start of with a set of possible contexts, all on the current subnet.
These are chained on ->current.
Here we have an address, and return the actual context correponding to that
address. Note that none may fit, if the address came a dhcp-host and is outside
any dhcp-range. In that case we return a static range is possible, or failing that,
any context on the subnet. (If there's more than one, this is a dodgy configuration:
maybe there should be a warning.) */
struct dhcp_context *tmp = address_available(context, taddr);
if (tmp)
return tmp;
for (tmp = context; tmp; tmp = tmp->current)
if (tmp->static_only)
return tmp;
return context;
}
struct dhcp_config *config_find_by_address(struct dhcp_config *configs, struct in_addr addr)
{
struct dhcp_config *config;