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[Settings] Remove assumption that all settings have DHCP tag values

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Allow for settings to be described by something other than a DHCP option
tag if desirable.  Currently used only for the MAC address setting.

Separate out fake DHCP packet creation code from dhcp.c to fakedhcp.c.

Remove notion of settings from dhcppkt.c.

Rationalise dhcp.c to use settings API only for final registration of the
DHCP options, rather than using {store,fetch}_setting throughout.
This commit is contained in:
Michael Brown
2008-03-25 20:46:16 +00:00
parent ee5bdb0d75
commit 92d15eff30
24 changed files with 865 additions and 720 deletions
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17
src/net/udp/dns.c
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@@ -506,6 +506,21 @@ struct resolver dns_resolver __resolver ( RESOLV_NORMAL ) = {
.resolv = dns_resolv,
};
/******************************************************************************
*
* Settings
*
******************************************************************************
*/
/** DNS server setting */
struct setting dns_setting __setting = {
.name = "dns",
.description = "DNS server",
.tag = DHCP_DNS_SERVERS,
.type = &setting_type_ipv4,
};
/**
* Apply nameserver setting
*
@@ -516,7 +531,7 @@ static int apply_nameserver_setting ( void ) {
( struct sockaddr_in * ) &nameserver;
int len;
if ( ( len = fetch_ipv4_setting ( NULL, DHCP_DNS_SERVERS,
if ( ( len = fetch_ipv4_setting ( NULL, &dns_setting,
&sin_nameserver->sin_addr ) ) >= 0 ){
sin_nameserver->sin_family = AF_INET;
DBG ( "DNS using nameserver %s\n",