diff options
Diffstat (limited to 'src/interface/pxe/pxe_file.c')
| -rw-r--r-- | src/interface/pxe/pxe_file.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/src/interface/pxe/pxe_file.c b/src/interface/pxe/pxe_file.c index 01dac8f7..718f5e38 100644 --- a/src/interface/pxe/pxe_file.c +++ b/src/interface/pxe/pxe_file.c @@ -31,7 +31,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 1 ); +FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 2 ); /** * FILE OPEN @@ -189,3 +189,41 @@ PXENV_EXIT_t pxenv_get_file_size ( struct s_PXENV_GET_FILE_SIZE get_file_size->Status = PXENV_STATUS_SUCCESS; return PXENV_EXIT_SUCCESS; } + +/** + * FILE EXEC + * + * @v file_exec Pointer to a struct s_PXENV_FILE_EXEC + * @v s_PXENV_FILE_EXEC::Command Command to execute + * @ret #PXENV_EXIT_SUCCESS Command was executed successfully + * @ret #PXENV_EXIT_FAILURE Command was not executed successfully + * @ret s_PXENV_FILE_EXEC::Status PXE status code + * + */ +PXENV_EXIT_t pxenv_file_exec ( struct s_PXENV_FILE_EXEC *file_exec ) { + userptr_t command; + size_t command_len; + int rc; + + DBG ( "PXENV_FILE_EXEC" ); + + /* Copy name from external program, and exec it */ + command = real_to_user ( file_exec->Command.segment, + file_exec->Command.offset ); + command_len = strlen_user ( command, 0 ); + { + char command_string[ command_len + 1 ]; + + copy_from_user ( command_string, command, 0, + sizeof ( command_string ) ); + DBG ( " %s", command_string ); + + if ( ( rc = system ( command_string ) ) != 0 ) { + file_exec->Status = PXENV_STATUS ( rc ); + return PXENV_EXIT_FAILURE; + } + } + + file_exec->Status = PXENV_STATUS_SUCCESS; + return PXENV_EXIT_SUCCESS; +} |