diff options
author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
---|---|---|
committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c')
-rw-r--r-- | roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c b/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c new file mode 100644 index 00000000..03bbfd04 --- /dev/null +++ b/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c @@ -0,0 +1,61 @@ +#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; +} |