59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
#include <errno.h>
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#include <comboot.h>
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#include <gpxe/in.h>
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#include <gpxe/list.h>
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#include <gpxe/process.h>
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#include <gpxe/resolv.h>
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static int comboot_resolv_rc;
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static struct in_addr comboot_resolv_addr;
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static void comboot_resolv_done ( struct resolv_interface *resolv,
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struct sockaddr *sa, int rc ) {
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struct sockaddr_in *sin;
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resolv_unplug ( resolv );
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if ( rc != 0 ) {
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comboot_resolv_rc = rc;
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return;
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}
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if ( sa->sa_family != AF_INET ) {
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comboot_resolv_rc = -EAFNOSUPPORT;
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return;
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}
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sin = ( ( struct sockaddr_in * ) sa );
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comboot_resolv_addr = sin->sin_addr;
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comboot_resolv_rc = 0;
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}
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static struct resolv_interface_operations comboot_resolv_ops = {
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.done = comboot_resolv_done,
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};
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static struct resolv_interface comboot_resolver = {
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.intf = {
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.dest = &null_resolv.intf,
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.refcnt = NULL,
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},
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.op = &comboot_resolv_ops,
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};
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int comboot_resolv ( const char *name, struct in_addr *address ) {
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int rc;
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comboot_resolv_rc = -EINPROGRESS;
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if ( ( rc = resolv ( &comboot_resolver, name, NULL ) ) != 0 )
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return rc;
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while ( comboot_resolv_rc == -EINPROGRESS )
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step();
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*address = comboot_resolv_addr;
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return comboot_resolv_rc;
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}
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