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#include <errno.h>
#include <comboot.h>
#include <ipxe/in.h>
#include <ipxe/list.h>
#include <ipxe/process.h>
#include <ipxe/resolv.h>
FILE_LICENCE ( GPL2_OR_LATER );
struct comboot_resolver {
struct interface intf;
int rc;
struct in_addr addr;
};
static void comboot_resolv_close ( struct comboot_resolver *comboot_resolver,
int rc ) {
comboot_resolver->rc = rc;
intf_shutdown ( &comboot_resolver->intf, rc );
}
static void comboot_resolv_done ( struct comboot_resolver *comboot_resolver,
struct sockaddr *sa ) {
struct sockaddr_in *sin;
if ( sa->sa_family == AF_INET ) {
sin = ( ( struct sockaddr_in * ) sa );
comboot_resolver->addr = sin->sin_addr;
}
}
static struct interface_operation comboot_resolv_op[] = {
INTF_OP ( intf_close, struct comboot_resolver *, comboot_resolv_close ),
INTF_OP ( resolv_done, struct comboot_resolver *, comboot_resolv_done ),
};
static struct interface_descriptor comboot_resolv_desc =
INTF_DESC ( struct comboot_resolver, intf, comboot_resolv_op );
static struct comboot_resolver comboot_resolver = {
.intf = INTF_INIT ( comboot_resolv_desc ),
};
int comboot_resolv ( const char *name, struct in_addr *address ) {
int rc;
comboot_resolver.rc = -EINPROGRESS;
comboot_resolver.addr.s_addr = 0;
if ( ( rc = resolv ( &comboot_resolver.intf, name, NULL ) ) != 0 )
return rc;
while ( comboot_resolver.rc == -EINPROGRESS )
step();
if ( ! comboot_resolver.addr.s_addr )
return -EAFNOSUPPORT;
*address = comboot_resolver.addr;
return comboot_resolver.rc;
}
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