PXENV_FILE_EXEC
[PXE FILE API]

FILE EXEC. More...

Data Structures
struct	s_PXENV_FILE_EXEC
	Parameter block for pxenv_file_exec(). More...
Defines
#define	PXENV_FILE_EXEC   0x00e5
	PXE API function code for pxenv_file_exec().
Typedefs
typedef struct s_PXENV_FILE_EXEC	PXENV_FILE_EXEC_t
Functions
PXENV_EXIT_t	pxenv_file_exec (struct s_PXENV_FILE_EXEC *file_exec)
	FILE EXEC.

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Detailed Description

FILE EXEC.

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Define Documentation

#define PXENV_FILE_EXEC   0x00e5

PXE API function code for pxenv_file_exec().

Definition at line 1741 of file pxe_api.h.

Referenced by pxe_api_call().

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Typedef Documentation

typedef struct s_PXENV_FILE_EXEC PXENV_FILE_EXEC_t

Definition at line 1749 of file pxe_api.h.

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Function Documentation

PXENV_EXIT_t pxenv_file_exec

(

struct s_PXENV_FILE_EXEC *

file_exec

)

FILE EXEC.

Parameters:

	file_exec	Pointer to a struct s_PXENV_FILE_EXEC
	s_PXENV_FILE_EXEC::Command	Command to execute

Return values:

	PXENV_EXIT_SUCCESS	Command was executed successfully
	PXENV_EXIT_FAILURE	Command was not executed successfully
	s_PXENV_FILE_EXEC::Status	PXE status code

Definition at line 208 of file pxe_file.c.

References s_PXENV_FILE_EXEC::Command, copy_from_user(), DBG, s_SEGOFF16::offset, PXENV_EXIT_FAILURE, PXENV_EXIT_SUCCESS, PXENV_STATUS, PXENV_STATUS_SUCCESS, real_to_user(), s_SEGOFF16::segment, s_PXENV_FILE_EXEC::Status, strlen_user(), and system().

Referenced by pxe_api_call().

                                                                     {
        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;
}