diff options
Diffstat (limited to 'src/interface/pxe/pxe_preboot.c')
| -rw-r--r-- | src/interface/pxe/pxe_preboot.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/interface/pxe/pxe_preboot.c b/src/interface/pxe/pxe_preboot.c index b1cc39c0a..3cbbf2260 100644 --- a/src/interface/pxe/pxe_preboot.c +++ b/src/interface/pxe/pxe_preboot.c @@ -32,6 +32,15 @@ #include "pxe.h" #include "pxe_call.h" +/** Filename used for last TFTP request + * + * This is a bug-for-bug compatibility hack needed in order to work + * with Microsoft Remote Installation Services (RIS). The filename + * used in a call to PXENV_RESTART_TFTP must be returned as the DHCP + * filename in subsequent calls to PXENV_GET_CACHED_INFO. + */ +static char *pxe_ris_filename = NULL; + /** * UNLOAD BASE CODE STACK * @@ -122,6 +131,12 @@ PXENV_EXIT_t pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO goto err; } + /* Overwrite filename to work around Microsoft RIS bug */ + if ( pxe_ris_filename ) { + strncpy ( dhcppkt.dhcphdr->file, pxe_ris_filename, + sizeof ( dhcppkt.dhcphdr->file ) ); + } + /* Copy packet to client buffer */ buffer = real_to_user ( get_cached_info->Buffer.segment, get_cached_info->Buffer.offset ); @@ -150,6 +165,14 @@ PXENV_EXIT_t pxenv_restart_tftp ( struct s_PXENV_TFTP_READ_FILE DBG ( "PXENV_RESTART_TFTP " ); + /* Work around Microsoft RIS bug */ + free ( pxe_ris_filename ); + pxe_ris_filename = strdup ( ( char * ) restart_tftp->FileName ); + if ( ! pxe_ris_filename ) { + restart_tftp->Status = PXENV_STATUS_OUT_OF_RESOURCES; + return PXENV_EXIT_FAILURE; + } + /* Words cannot describe the complete mismatch between the PXE * specification and any possible version of reality... */ |