1 /*- 2 * Copyright (c) 2016 Kai Wang 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <errno.h> 28 29 #include "_libpe.h" 30 31 ELFTC_VCSID("$Id: pe_cntl.c 3312 2016-01-10 09:23:51Z kaiwang27 $"); 32 33 int 34 pe_cntl(PE *pe, PE_Cmd cmd) 35 { 36 37 if (pe == NULL) { 38 errno = EINVAL; 39 return (-1); 40 } 41 42 switch (cmd) { 43 case PE_C_FDDONE: 44 pe->pe_flags |= LIBPE_F_FD_DONE; 45 break; 46 47 case PE_C_FDREAD: 48 if (pe->pe_cmd == PE_C_WRITE) { 49 errno = EACCES; 50 return (-1); 51 } 52 if (libpe_load_all_sections(pe) < 0) 53 return (-1); 54 break; 55 56 default: 57 errno = EINVAL; 58 return (-1); 59 } 60 61 return (0); 62 } 63