155 lines
4.1 KiB
C
155 lines
4.1 KiB
C
#include <string.h>
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#include <vsprintf.h>
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#include <byteswap.h>
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#include <gpxe/ip.h>
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#include <gpxe/dhcp.h>
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#include <gpxe/iscsi.h>
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static int test_dhcp_aoe_boot ( struct net_device *netdev,
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char *aoename ) {
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unsigned int drivenum;
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drivenum = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE );
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return test_aoeboot ( netdev, aoename, drivenum );
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}
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static int test_dhcp_iscsi_boot ( char *iscsiname ) {
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char *initiator_iqn = "iqn.1900-01.localdomain.localhost:initiator";
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char *target_iqn;
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union {
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struct sockaddr_in sin;
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struct sockaddr_tcpip st;
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} target;
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memset ( &target, 0, sizeof ( target ) );
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target.sin.sin_family = AF_INET;
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target.sin.sin_port = htons ( ISCSI_PORT );
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target_iqn = strchr ( iscsiname, ':' );
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*target_iqn++ = '\0';
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if ( ! target_iqn ) {
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printf ( "Invalid iSCSI DHCP path\n" );
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return -EINVAL;
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}
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inet_aton ( iscsiname, &target.sin.sin_addr );
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return test_iscsiboot ( initiator_iqn, &target.st, target_iqn );
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}
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static int test_dhcp_hello ( char *helloname ) {
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char *message;
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union {
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struct sockaddr_in sin;
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struct sockaddr_tcpip st;
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} target;
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memset ( &target, 0, sizeof ( target ) );
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target.sin.sin_family = AF_INET;
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target.sin.sin_port = htons ( 80 );
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message = strchr ( helloname, ':' );
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*message++ = '\0';
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if ( ! message ) {
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printf ( "Invalid hello path\n" );
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return -EINVAL;
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}
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inet_aton ( helloname, &target.sin.sin_addr );
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test_hello ( &target.st, message );
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return 0;
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}
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static int test_dhcp_tftp ( char *tftpname ) {
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union {
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struct sockaddr_in sin;
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struct sockaddr_tcpip st;
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} target;
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memset ( &target, 0, sizeof ( target ) );
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target.sin.sin_family = AF_INET;
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target.sin.sin_port = htons ( 69 );
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find_global_dhcp_ipv4_option ( DHCP_EB_SIADDR,
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&target.sin.sin_addr );
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return test_tftp ( &target.st, tftpname );
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}
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static int test_dhcp_boot ( struct net_device *netdev, char *filename ) {
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if ( strncmp ( filename, "aoe:", 4 ) == 0 ) {
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return test_dhcp_aoe_boot ( netdev, &filename[4] );
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} else if ( strncmp ( filename, "iscsi:", 6 ) == 0 ) {
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return test_dhcp_iscsi_boot ( &filename[6] );
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} else if ( strncmp ( filename, "hello:", 6 ) == 0 ) {
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return test_dhcp_hello ( &filename[6] );
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} else {
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return test_dhcp_tftp ( filename );
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}
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}
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int test_dhcp ( struct net_device *netdev ) {
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struct dhcp_session dhcp;
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struct in_addr address = { htonl ( 0 ) };
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struct in_addr netmask = { htonl ( 0 ) };
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struct in_addr gateway = { INADDR_NONE };
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char filename[256];
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int rc;
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/* Bring IP interface up with address 0.0.0.0 */
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if ( ( rc = add_ipv4_address ( netdev, address, netmask,
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gateway ) ) != 0 )
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goto out_no_del_ipv4;
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/* Issue DHCP request */
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printf ( "DHCP..." );
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memset ( &dhcp, 0, sizeof ( dhcp ) );
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dhcp.netdev = netdev;
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if ( ( rc = async_wait ( start_dhcp ( &dhcp ) ) ) != 0 ) {
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printf ( "failed\n" );
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goto out_no_options;
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}
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printf ( "done\n" );
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/* Register options received via DHCP */
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register_dhcp_options ( dhcp.options );
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/* Retrieve IP address configuration */
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find_global_dhcp_ipv4_option ( DHCP_EB_YIADDR, &address );
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find_global_dhcp_ipv4_option ( DHCP_SUBNET_MASK, &netmask );
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find_global_dhcp_ipv4_option ( DHCP_ROUTERS, &gateway );
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printf ( "IP %s", inet_ntoa ( address ) );
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printf ( " netmask %s", inet_ntoa ( netmask ) );
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printf ( " gateway %s\n", inet_ntoa ( gateway ) );
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dhcp_snprintf ( filename, sizeof ( filename ),
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find_global_dhcp_option ( DHCP_BOOTFILE_NAME ) );
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if ( ! filename[0] ) {
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printf ( "No filename specified!\n" );
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goto out;
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}
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printf ( "Bootfile name %s\n", filename );
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/* Remove old IP address configuration */
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del_ipv4_address ( netdev );
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/* Set up new IP address configuration */
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if ( ( rc = add_ipv4_address ( netdev, address, netmask,
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gateway ) ) != 0 )
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goto out_no_del_ipv4;
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/* Test boot */
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if ( ( rc = test_dhcp_boot ( netdev, filename ) ) != 0 ) {
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printf ( "Boot failed\n" );
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goto out;
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}
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out:
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/* Unregister and free DHCP options */
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unregister_dhcp_options ( dhcp.options );
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free_dhcp_options ( dhcp.options );
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out_no_options:
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/* Take down IP interface */
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del_ipv4_address ( netdev );
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out_no_del_ipv4:
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return rc;
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}
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