1260684Skaiw/*- 2260684Skaiw * Copyright (c) 2006,2008 Joseph Koshy 3260684Skaiw * All rights reserved. 4260684Skaiw * 5260684Skaiw * Redistribution and use in source and binary forms, with or without 6260684Skaiw * modification, are permitted provided that the following conditions 7260684Skaiw * are met: 8260684Skaiw * 1. Redistributions of source code must retain the above copyright 9260684Skaiw * notice, this list of conditions and the following disclaimer. 10260684Skaiw * 2. Redistributions in binary form must reproduce the above copyright 11260684Skaiw * notice, this list of conditions and the following disclaimer in the 12260684Skaiw * documentation and/or other materials provided with the distribution. 13260684Skaiw * 14260684Skaiw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15260684Skaiw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16260684Skaiw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17260684Skaiw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18260684Skaiw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19260684Skaiw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20260684Skaiw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21260684Skaiw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22260684Skaiw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23260684Skaiw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24260684Skaiw * SUCH DAMAGE. 25260684Skaiw */ 26260684Skaiw 27260684Skaiw#include <ar.h> 28260684Skaiw#include <assert.h> 29260684Skaiw#include <libelf.h> 30260684Skaiw 31260684Skaiw#include "_libelf.h" 32260684Skaiw 33367466SdimELFTC_VCSID("$Id: elf_getident.c 3712 2019-03-16 22:23:34Z jkoshy $"); 34260684Skaiw 35260684Skaiwchar * 36260684Skaiwelf_getident(Elf *e, size_t *sz) 37260684Skaiw{ 38260684Skaiw 39260684Skaiw if (e == NULL) { 40260684Skaiw LIBELF_SET_ERROR(ARGUMENT, 0); 41260684Skaiw goto error; 42260684Skaiw } 43260684Skaiw 44260684Skaiw if (e->e_cmd == ELF_C_WRITE && e->e_rawfile == NULL) { 45260684Skaiw LIBELF_SET_ERROR(SEQUENCE, 0); 46260684Skaiw goto error; 47260684Skaiw } 48260684Skaiw 49260684Skaiw assert(e->e_kind != ELF_K_AR || e->e_cmd == ELF_C_READ); 50260684Skaiw 51260684Skaiw if (sz) { 52260684Skaiw if (e->e_kind == ELF_K_AR) 53260684Skaiw *sz = SARMAG; 54260684Skaiw else if (e->e_kind == ELF_K_ELF) 55260684Skaiw *sz = EI_NIDENT; 56260684Skaiw else 57367466Sdim *sz = (size_t) e->e_rawsize; 58260684Skaiw } 59260684Skaiw 60260684Skaiw return ((char *) e->e_rawfile); 61260684Skaiw 62260684Skaiw error: 63260684Skaiw if (sz) 64260684Skaiw *sz = 0; 65260684Skaiw return (NULL); 66260684Skaiw} 67