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#include <string.h>
#include <vsprintf.h>
#include <byteswap.h>
#include <gpxe/ip.h>
#include <gpxe/dhcp.h>
#include <gpxe/iscsi.h>
#include <gpxe/netdevice.h>
static int test_dhcp_aoe_boot ( struct net_device *netdev,
char *aoename ) {
unsigned int drivenum;
drivenum = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE );
return test_aoeboot ( netdev, aoename, drivenum );
}
static int test_dhcp_iscsi_boot ( struct net_device *netdev,
char *iscsiname ) {
char initiator_iqn_buf[32];
char *initiator_iqn = initiator_iqn_buf;
char username[32];
char password[32];
char *target_iqn;
union {
struct sockaddr_in sin;
struct sockaddr_tcpip st;
} target;
unsigned int drivenum;
struct dhcp_option *option;
memset ( &target, 0, sizeof ( target ) );
target.sin.sin_family = AF_INET;
target.sin.sin_port = htons ( ISCSI_PORT );
target_iqn = strchr ( iscsiname, ':' );
*target_iqn++ = '\0';
if ( ! target_iqn ) {
printf ( "Invalid iSCSI DHCP path\n" );
return -EINVAL;
}
inet_aton ( iscsiname, &target.sin.sin_addr );
dhcp_snprintf ( initiator_iqn, sizeof ( initiator_iqn ),
find_global_dhcp_option ( DHCP_ISCSI_INITIATOR_IQN ) );
if ( ! *initiator_iqn )
initiator_iqn = "iqn.1900-01.localdomain.localhost:initiator";
dhcp_snprintf ( username, sizeof ( username ),
find_global_dhcp_option ( DHCP_EB_USERNAME ) );
dhcp_snprintf ( password, sizeof ( password ),
find_global_dhcp_option ( DHCP_EB_PASSWORD ) );
drivenum = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE );
return test_iscsiboot ( initiator_iqn, &target.st, target_iqn,
username, password, netdev, drivenum );
}
static int test_dhcp_hello ( char *helloname ) {
char *message;
union {
struct sockaddr_in sin;
struct sockaddr_tcpip st;
} target;
memset ( &target, 0, sizeof ( target ) );
target.sin.sin_family = AF_INET;
target.sin.sin_port = htons ( 80 );
message = strchr ( helloname, ':' );
*message++ = '\0';
if ( ! message ) {
printf ( "Invalid hello path\n" );
return -EINVAL;
}
inet_aton ( helloname, &target.sin.sin_addr );
test_hello ( &target.st, message );
return 0;
}
static int test_dhcp_http ( struct net_device *netdev, char *url ) {
union {
struct sockaddr_in sin;
struct sockaddr_tcpip st;
} target;
memset ( &target, 0, sizeof ( target ) );
target.sin.sin_family = AF_INET;
target.sin.sin_port = htons ( 80 );
char *addr = url + 7; // http://
char *file = strchr(addr, '/');
*file = '\0'; // for printf and inet_aton to work
printf("connecting to %s\n", addr);
inet_aton ( addr, &target.sin.sin_addr );
*file = '/';
test_http ( netdev, &target.st, file );
return 0;
}
static int test_dhcp_ftp ( struct net_device *netdev, char *ftpname ) {
union {
struct sockaddr_in sin;
struct sockaddr_tcpip st;
} target;
char *filename;
filename = strchr ( ftpname, ':' );
if ( ! filename ) {
printf ( "Invalid FTP path \"%s\"\n", ftpname );
return -EINVAL;
}
*filename++ = '\0';
memset ( &target, 0, sizeof ( target ) );
target.sin.sin_family = AF_INET;
target.sin.sin_port = htons ( 21 );
inet_aton ( ftpname, &target.sin.sin_addr );
test_ftp ( &target, filename );
return 0;
}
static int test_dhcp_tftp ( struct net_device *netdev, char *tftpname ) {
union {
struct sockaddr_in sin;
struct sockaddr_tcpip st;
} target;
memset ( &target, 0, sizeof ( target ) );
target.sin.sin_family = AF_INET;
target.sin.sin_port = htons ( 69 );
find_global_dhcp_ipv4_option ( DHCP_EB_SIADDR,
&target.sin.sin_addr );
return test_tftp ( netdev, &target.st, tftpname );
}
static int test_dhcp_boot ( struct net_device *netdev, char *filename ) {
/*
if ( strncmp ( filename, "aoe:", 4 ) == 0 ) {
return test_dhcp_aoe_boot ( netdev, &filename[4] );
}
*/
if ( strncmp ( filename, "iscsi:", 6 ) == 0 ) {
return test_dhcp_iscsi_boot ( netdev, &filename[6] );
}
if ( strncmp ( filename, "ftp:", 4 ) == 0 ) {
return test_dhcp_ftp ( netdev, &filename[4] );
}
/*
if ( strncmp ( filename, "hello:", 6 ) == 0 ) {
return test_dhcp_hello ( &filename[6] );
}
if ( strncmp ( filename, "http:", 5 ) == 0 ) {
return test_dhcp_http ( netdev, filename );
}
return test_dhcp_tftp ( netdev, filename );
*/
return -EPROTONOSUPPORT;
}
int test_dhcp ( struct net_device *netdev ) {
struct dhcp_session dhcp;
struct in_addr address = { htonl ( 0 ) };
struct in_addr netmask = { htonl ( 0 ) };
struct in_addr gateway = { INADDR_NONE };
char filename[256];
int rc;
/* Bring IP interface up with address 0.0.0.0 */
if ( ( rc = add_ipv4_address ( netdev, address, netmask,
gateway ) ) != 0 )
goto out_no_del_ipv4;
/* Issue DHCP request */
printf ( "DHCP (%s)...", netdev_name ( netdev ) );
memset ( &dhcp, 0, sizeof ( dhcp ) );
dhcp.netdev = netdev;
if ( ( rc = async_wait ( start_dhcp ( &dhcp ) ) ) != 0 ) {
printf ( "failed\n" );
goto out_no_options;
}
printf ( "done\n" );
/* Register options received via DHCP */
register_dhcp_options ( dhcp.options );
/* Retrieve IP address configuration */
find_global_dhcp_ipv4_option ( DHCP_EB_YIADDR, &address );
find_global_dhcp_ipv4_option ( DHCP_SUBNET_MASK, &netmask );
find_global_dhcp_ipv4_option ( DHCP_ROUTERS, &gateway );
printf ( "IP %s", inet_ntoa ( address ) );
printf ( " netmask %s", inet_ntoa ( netmask ) );
printf ( " gateway %s\n", inet_ntoa ( gateway ) );
dhcp_snprintf ( filename, sizeof ( filename ),
find_global_dhcp_option ( DHCP_BOOTFILE_NAME ) );
if ( ! filename[0] ) {
printf ( "No filename specified!\n" );
goto out;
}
printf ( "Bootfile name %s\n", filename );
/* Remove old IP address configuration */
del_ipv4_address ( netdev );
/* Set up new IP address configuration */
if ( ( rc = add_ipv4_address ( netdev, address, netmask,
gateway ) ) != 0 )
goto out_no_del_ipv4;
/* Test boot */
if ( ( rc = test_dhcp_boot ( netdev, filename ) ) != 0 ) {
printf ( "Boot failed\n" );
goto out;
}
out:
/* Unregister and free DHCP options */
unregister_dhcp_options ( dhcp.options );
free_dhcp_options ( dhcp.options );
out_no_options:
/* Take down IP interface */
del_ipv4_address ( netdev );
out_no_del_ipv4:
return rc;
}
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