| ldd.c (69827) | ldd.c (70049) |
|---|---|
| 1/* 2 * Copyright (c) 1993 Paul Kranenburg 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 --- 16 unchanged lines hidden (view full) --- 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef lint 32static const char rcsid[] = | 1/* 2 * Copyright (c) 1993 Paul Kranenburg 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 --- 16 unchanged lines hidden (view full) --- 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef lint 32static const char rcsid[] = |
| 33 "$FreeBSD: head/usr.bin/ldd/ldd.c 69827 2000-12-10 20:54:13Z charnier $"; | 33 "$FreeBSD: head/usr.bin/ldd/ldd.c 70049 2000-12-15 13:20:43Z ache $"; |
| 34#endif /* not lint */ 35 36#include <sys/wait.h> 37#include <a.out.h> 38#include <elf.h> 39#include <err.h> 40#include <fcntl.h> 41#include <stdio.h> --- 98 unchanged lines hidden (view full) --- 140 warnx("%s: not a dynamic executable", *argv); 141 file_ok = 0; 142 } 143 } else if (n >= sizeof hdr.elf && IS_ELF(hdr.elf)) { 144 Elf_Ehdr ehdr; 145 Elf_Phdr phdr; 146 int dynamic = 0, i; 147 | 34#endif /* not lint */ 35 36#include <sys/wait.h> 37#include <a.out.h> 38#include <elf.h> 39#include <err.h> 40#include <fcntl.h> 41#include <stdio.h> --- 98 unchanged lines hidden (view full) --- 140 warnx("%s: not a dynamic executable", *argv); 141 file_ok = 0; 142 } 143 } else if (n >= sizeof hdr.elf && IS_ELF(hdr.elf)) { 144 Elf_Ehdr ehdr; 145 Elf_Phdr phdr; 146 int dynamic = 0, i; 147 |
| 148 lseek(fd, 0, SEEK_SET); 149 if (read(fd, &ehdr, sizeof ehdr) != sizeof ehdr) { | 148 if (lseek(fd, 0, SEEK_SET) == -1 || 149 read(fd, &ehdr, sizeof ehdr) != sizeof ehdr || 150 lseek(fd, ehdr.e_phoff, SEEK_SET) == -1 151 ) { |
| 150 warnx("%s: can't read program header", *argv); 151 file_ok = 0; | 152 warnx("%s: can't read program header", *argv); 153 file_ok = 0; |
| 152 } 153 lseek(fd, 0, ehdr.e_phoff); 154 for (i = 0; i < ehdr.e_phnum; i++) { 155 if (read(fd, &phdr, ehdr.e_phentsize) 156 != sizeof phdr) { 157 warnx("%s: can't read program header", 158 *argv); 159 file_ok = 0; | 154 } else { 155 for (i = 0; i < ehdr.e_phnum; i++) { 156 if (read(fd, &phdr, ehdr.e_phentsize) 157 != sizeof phdr) { 158 warnx("%s: can't read program header", 159 *argv); 160 file_ok = 0; 161 break; 162 } 163 if (phdr.p_type == PT_DYNAMIC) 164 dynamic = 1; |
| 160 } | 165 } |
| 161 if (phdr.p_type == PT_DYNAMIC) 162 dynamic = 1; | |
| 163 } 164 if (!dynamic) { 165 warnx("%s: not a dynamic executable", *argv); 166 file_ok = 0; 167 } 168 } else { 169 warnx("%s: not a dynamic executable", *argv); 170 file_ok = 0; --- 41 unchanged lines hidden --- | 166 } 167 if (!dynamic) { 168 warnx("%s: not a dynamic executable", *argv); 169 file_ok = 0; 170 } 171 } else { 172 warnx("%s: not a dynamic executable", *argv); 173 file_ok = 0; --- 41 unchanged lines hidden --- |