diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/interface/pxe')
9 files changed, 159 insertions, 75 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_call.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_call.c index 657d47b6c..104313666 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_call.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_call.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <ipxe/uaccess.h> #include <ipxe/init.h> @@ -342,6 +346,7 @@ int pxe_start_nbp ( void ) { return 0; } +REQUIRING_SYMBOL ( pxe_api_call ); REQUIRE_OBJECT ( pxe_preboot ); REQUIRE_OBJECT ( pxe_undi ); REQUIRE_OBJECT ( pxe_udp ); diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_entry.S b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_entry.S index 6274264ff..07852cd50 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_entry.S +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_entry.S @@ -16,9 +16,13 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + * */ -FILE_LICENCE ( GPL2_OR_LATER ) +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ) .arch i386 diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c index 9d1896507..f92dae0d1 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_exit_hook.c @@ -21,9 +21,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stdint.h> #include <realmode.h> diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_file.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_file.c index 6e9610294..456ffb5fd 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_file.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_file.c @@ -31,9 +31,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 2 ); diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_loader.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_loader.c index 695af3b93..e6a2e072a 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_loader.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_loader.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <ipxe/init.h> #include "pxe.h" diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_preboot.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_preboot.c index 534352b2b..6e09080bc 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_preboot.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_preboot.c @@ -22,9 +22,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stdint.h> #include <string.h> @@ -174,18 +178,16 @@ pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO *get_cached_info ) { } info = &cached_info[idx]; - /* Construct cached version of packet, if not already constructed. */ - if ( ! info->dhcphdr.op ) { - /* Construct DHCP packet */ - creator = &pxe_dhcp_packet_creators[idx]; - if ( ( rc = creator->create ( pxe_netdev, info, - sizeof ( *info ) ) ) != 0 ) { - DBGC ( &pxe_netdev, " failed to build packet: %s\n", - strerror ( rc ) ); - goto err; - } + /* Construct DHCP packet */ + creator = &pxe_dhcp_packet_creators[idx]; + if ( ( rc = creator->create ( pxe_netdev, info, + sizeof ( *info ) ) ) != 0 ) { + DBGC ( &pxe_netdev, " failed to build packet: %s\n", + strerror ( rc ) ); + goto err; } + /* Copy packet (if applicable) */ len = get_cached_info->BufferSize; if ( len == 0 ) { /* Point client at our cached buffer. diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_tftp.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_tftp.c index f4801bad0..068d8a7b2 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_tftp.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_tftp.c @@ -21,9 +21,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stdlib.h> #include <stdio.h> @@ -36,6 +40,8 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include <ipxe/xfer.h> #include <ipxe/open.h> #include <ipxe/process.h> +#include <ipxe/uri.h> +#include <realmode.h> #include <pxe.h> /** A PXE TFTP connection */ @@ -170,11 +176,10 @@ static struct pxe_tftp_connection pxe_tftp = { * @v blksize Requested block size * @ret rc Return status code */ -static int pxe_tftp_open ( uint32_t ipaddress, unsigned int port, - const unsigned char *filename, size_t blksize, - int sizeonly ) { - char uri_string[PXE_TFTP_URI_LEN]; +static int pxe_tftp_open ( IP4_t ipaddress, UDP_PORT_t port, + UINT8_t *filename, UINT16_t blksize ) { struct in_addr address; + struct uri *uri; int rc; /* Reset PXE TFTP connection structure */ @@ -185,19 +190,20 @@ static int pxe_tftp_open ( uint32_t ipaddress, unsigned int port, pxe_tftp.blksize = blksize; pxe_tftp.rc = -EINPROGRESS; - /* Construct URI string */ + /* Construct URI */ address.s_addr = ipaddress; - if ( ! port ) - port = htons ( TFTP_PORT ); - snprintf ( uri_string, sizeof ( uri_string ), "tftp%s://%s:%d%s%s", - sizeonly ? "size" : "", inet_ntoa ( address ), - ntohs ( port ), ( ( filename[0] == '/' ) ? "" : "/" ), - filename ); - DBG ( " %s", uri_string ); + DBG ( " %s", inet_ntoa ( address ) ); + if ( port ) + DBG ( ":%d", ntohs ( port ) ); + DBG ( ":%s", filename ); + uri = tftp_uri ( address, ntohs ( port ), ( ( char * ) filename ) ); + if ( ! uri ) { + DBG ( " could not create URI\n" ); + return -ENOMEM; + } /* Open PXE TFTP connection */ - if ( ( rc = xfer_open_uri_string ( &pxe_tftp.xfer, - uri_string ) ) != 0 ) { + if ( ( rc = xfer_open_uri ( &pxe_tftp.xfer, uri ) ) != 0 ) { DBG ( " could not open (%s)\n", strerror ( rc ) ); return rc; } @@ -259,8 +265,7 @@ static PXENV_EXIT_t pxenv_tftp_open ( struct s_PXENV_TFTP_OPEN *tftp_open ) { if ( ( rc = pxe_tftp_open ( tftp_open->ServerIPAddress, tftp_open->TFTPPort, tftp_open->FileName, - tftp_open->PacketSize, - 0) ) != 0 ) { + tftp_open->PacketSize ) ) != 0 ) { tftp_open->Status = PXENV_STATUS ( rc ); return PXENV_EXIT_FAILURE; } @@ -483,7 +488,7 @@ PXENV_EXIT_t pxenv_tftp_read_file ( struct s_PXENV_TFTP_READ_FILE /* Open TFTP file */ if ( ( rc = pxe_tftp_open ( tftp_read_file->ServerIPAddress, 0, - tftp_read_file->FileName, 0, 0 ) ) != 0 ) { + tftp_read_file->FileName, 0 ) ) != 0 ) { tftp_read_file->Status = PXENV_STATUS ( rc ); return PXENV_EXIT_FAILURE; } @@ -553,7 +558,7 @@ static PXENV_EXIT_t pxenv_tftp_get_fsize ( struct s_PXENV_TFTP_GET_FSIZE /* Open TFTP file */ if ( ( rc = pxe_tftp_open ( tftp_get_fsize->ServerIPAddress, 0, - tftp_get_fsize->FileName, 0, 1 ) ) != 0 ) { + tftp_get_fsize->FileName, 0 ) ) != 0 ) { tftp_get_fsize->Status = PXENV_STATUS ( rc ); return PXENV_EXIT_FAILURE; } diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_udp.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_udp.c index 32bc39c8e..071cb59db 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_udp.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_udp.c @@ -11,6 +11,7 @@ #include <ipxe/udp.h> #include <ipxe/uaccess.h> #include <ipxe/process.h> +#include <realmode.h> #include <pxe.h> /* @@ -30,9 +31,25 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +/** A PXE UDP pseudo-header */ +struct pxe_udp_pseudo_header { + /** Source IP address */ + IP4_t src_ip; + /** Source port */ + UDP_PORT_t s_port; + /** Destination IP address */ + IP4_t dest_ip; + /** Destination port */ + UDP_PORT_t d_port; +} __attribute__ (( packed )); /** A PXE UDP connection */ struct pxe_udp_connection { @@ -40,8 +57,8 @@ struct pxe_udp_connection { struct interface xfer; /** Local address */ struct sockaddr_in local; - /** Current PXENV_UDP_READ parameter block */ - struct s_PXENV_UDP_READ *pxenv_udp_read; + /** List of received packets */ + struct list_head list; }; /** @@ -58,45 +75,38 @@ struct pxe_udp_connection { static int pxe_udp_deliver ( struct pxe_udp_connection *pxe_udp, struct io_buffer *iobuf, struct xfer_metadata *meta ) { - struct s_PXENV_UDP_READ *pxenv_udp_read = pxe_udp->pxenv_udp_read; + struct pxe_udp_pseudo_header *pshdr; struct sockaddr_in *sin_src; struct sockaddr_in *sin_dest; - userptr_t buffer; - size_t len; - int rc = 0; - - if ( ! pxenv_udp_read ) { - DBG ( "PXE discarded UDP packet\n" ); - rc = -ENOBUFS; - goto done; - } - - /* Copy packet to buffer and record length */ - buffer = real_to_user ( pxenv_udp_read->buffer.segment, - pxenv_udp_read->buffer.offset ); - len = iob_len ( iobuf ); - if ( len > pxenv_udp_read->buffer_size ) - len = pxenv_udp_read->buffer_size; - copy_to_user ( buffer, 0, iobuf->data, len ); - pxenv_udp_read->buffer_size = len; + int rc; - /* Fill in source/dest information */ + /* Extract metadata */ assert ( meta ); sin_src = ( struct sockaddr_in * ) meta->src; assert ( sin_src ); assert ( sin_src->sin_family == AF_INET ); - pxenv_udp_read->src_ip = sin_src->sin_addr.s_addr; - pxenv_udp_read->s_port = sin_src->sin_port; sin_dest = ( struct sockaddr_in * ) meta->dest; assert ( sin_dest ); assert ( sin_dest->sin_family == AF_INET ); - pxenv_udp_read->dest_ip = sin_dest->sin_addr.s_addr; - pxenv_udp_read->d_port = sin_dest->sin_port; - /* Mark as received */ - pxe_udp->pxenv_udp_read = NULL; + /* Construct pseudo-header */ + if ( ( rc = iob_ensure_headroom ( iobuf, sizeof ( *pshdr ) ) ) != 0 ) { + DBG ( "PXE could not prepend pseudo-header\n" ); + rc = -ENOMEM; + goto drop; + } + pshdr = iob_push ( iobuf, sizeof ( *pshdr ) ); + pshdr->src_ip = sin_src->sin_addr.s_addr; + pshdr->s_port = sin_src->sin_port; + pshdr->dest_ip = sin_dest->sin_addr.s_addr; + pshdr->d_port = sin_dest->sin_port; - done: + /* Add to queue */ + list_add_tail ( &iobuf->list, &pxe_udp->list ); + + return 0; + + drop: free_iob ( iobuf ); return rc; } @@ -116,6 +126,7 @@ static struct pxe_udp_connection pxe_udp = { .local = { .sin_family = AF_INET, }, + .list = LIST_HEAD_INIT ( pxe_udp.list ), }; /** @@ -205,11 +216,20 @@ static PXENV_EXIT_t pxenv_udp_open ( struct s_PXENV_UDP_OPEN *pxenv_udp_open ) { */ static PXENV_EXIT_t pxenv_udp_close ( struct s_PXENV_UDP_CLOSE *pxenv_udp_close ) { + struct io_buffer *iobuf; + struct io_buffer *tmp; + DBG ( "PXENV_UDP_CLOSE\n" ); /* Close UDP connection */ intf_restart ( &pxe_udp.xfer, 0 ); + /* Discard any received packets */ + list_for_each_entry_safe ( iobuf, tmp, &pxe_udp.list, list ) { + list_del ( &iobuf->list ); + free_iob ( iobuf ); + } + pxenv_udp_close->Status = PXENV_STATUS_SUCCESS; return PXENV_EXIT_SUCCESS; } @@ -365,20 +385,32 @@ pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) { static PXENV_EXIT_t pxenv_udp_read ( struct s_PXENV_UDP_READ *pxenv_udp_read ) { struct in_addr dest_ip_wanted = { .s_addr = pxenv_udp_read->dest_ip }; struct in_addr dest_ip; + struct io_buffer *iobuf; + struct pxe_udp_pseudo_header *pshdr; uint16_t d_port_wanted = pxenv_udp_read->d_port; uint16_t d_port; + userptr_t buffer; + size_t len; + + /* Try receiving a packet, if the queue is empty */ + if ( list_empty ( &pxe_udp.list ) ) + step(); - /* Try receiving a packet */ - pxe_udp.pxenv_udp_read = pxenv_udp_read; - step(); - if ( pxe_udp.pxenv_udp_read ) { + /* Remove first packet from the queue */ + iobuf = list_first_entry ( &pxe_udp.list, struct io_buffer, list ); + if ( ! iobuf ) { /* No packet received */ DBG2 ( "PXENV_UDP_READ\n" ); - pxe_udp.pxenv_udp_read = NULL; goto no_packet; } - dest_ip.s_addr = pxenv_udp_read->dest_ip; - d_port = pxenv_udp_read->d_port; + list_del ( &iobuf->list ); + + /* Strip pseudo-header */ + assert ( iob_len ( iobuf ) >= sizeof ( *pshdr ) ); + pshdr = iobuf->data; + iob_pull ( iobuf, sizeof ( *pshdr ) ); + dest_ip.s_addr = pshdr->dest_ip; + d_port = pshdr->d_port; DBG ( "PXENV_UDP_READ" ); /* Filter on destination address and/or port */ @@ -386,14 +418,29 @@ static PXENV_EXIT_t pxenv_udp_read ( struct s_PXENV_UDP_READ *pxenv_udp_read ) { ( dest_ip_wanted.s_addr != dest_ip.s_addr ) ) { DBG ( " wrong IP %s", inet_ntoa ( dest_ip ) ); DBG ( " (wanted %s)\n", inet_ntoa ( dest_ip_wanted ) ); - goto no_packet; + goto drop; } if ( d_port_wanted && ( d_port_wanted != d_port ) ) { DBG ( " wrong port %d", htons ( d_port ) ); DBG ( " (wanted %d)\n", htons ( d_port_wanted ) ); - goto no_packet; + goto drop; } + /* Copy packet to buffer and record length */ + buffer = real_to_user ( pxenv_udp_read->buffer.segment, + pxenv_udp_read->buffer.offset ); + len = iob_len ( iobuf ); + if ( len > pxenv_udp_read->buffer_size ) + len = pxenv_udp_read->buffer_size; + copy_to_user ( buffer, 0, iobuf->data, len ); + pxenv_udp_read->buffer_size = len; + + /* Fill in source/dest information */ + pxenv_udp_read->src_ip = pshdr->src_ip; + pxenv_udp_read->s_port = pshdr->s_port; + pxenv_udp_read->dest_ip = pshdr->dest_ip; + pxenv_udp_read->d_port = pshdr->d_port; + DBG ( " %04x:%04x+%x %s:", pxenv_udp_read->buffer.segment, pxenv_udp_read->buffer.offset, pxenv_udp_read->buffer_size, inet_ntoa ( *( ( struct in_addr * ) &pxenv_udp_read->src_ip ) )); @@ -401,9 +448,14 @@ static PXENV_EXIT_t pxenv_udp_read ( struct s_PXENV_UDP_READ *pxenv_udp_read ) { inet_ntoa ( *( ( struct in_addr * ) &pxenv_udp_read->dest_ip ) ), ntohs ( pxenv_udp_read->d_port ) ); + /* Free I/O buffer */ + free_iob ( iobuf ); + pxenv_udp_read->Status = PXENV_STATUS_SUCCESS; return PXENV_EXIT_SUCCESS; + drop: + free_iob ( iobuf ); no_packet: pxenv_udp_read->Status = PXENV_STATUS_FAILURE; return PXENV_EXIT_FAILURE; diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_undi.c b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_undi.c index 29e586ed2..2eb68178a 100644 --- a/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_undi.c +++ b/qemu/roms/ipxe/src/arch/i386/interface/pxe/pxe_undi.c @@ -21,9 +21,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stdint.h> #include <stdio.h> |