diff options
Diffstat (limited to 'scripts/relocate_sdk.py')
| -rwxr-xr-x | scripts/relocate_sdk.py | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/scripts/relocate_sdk.py b/scripts/relocate_sdk.py index 992db5c47d..8c0fdb986a 100755 --- a/scripts/relocate_sdk.py +++ b/scripts/relocate_sdk.py @@ -1,19 +1,8 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 # # Copyright (c) 2012 Intel Corporation # -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# SPDX-License-Identifier: GPL-2.0-only # # DESCRIPTION # This script is called by the SDK installer script. It replaces the dynamic @@ -103,6 +92,8 @@ def change_interpreter(elf_file_name): fname.startswith(b("/lib32/")) or fname.startswith(b("/usr/lib32/")) or \ fname.startswith(b("/usr/lib32/")) or fname.startswith(b("/usr/lib64/")): break + if p_filesz == 0: + break if (len(new_dl_path) >= p_filesz): print("ERROR: could not relocate %s, interp size = %i and %i is needed." \ % (elf_file_name, p_memsz, len(new_dl_path) + 1)) @@ -112,7 +103,7 @@ def change_interpreter(elf_file_name): f.write(dl_path) break -def change_dl_sysdirs(): +def change_dl_sysdirs(elf_file_name): if arch == 32: sh_fmt = "<IIIIIIIIII" else: @@ -156,6 +147,11 @@ def change_dl_sysdirs(): elif name == b(".ldsocache"): ldsocache_path = f.read(sh_size) new_ldsocache_path = old_prefix.sub(new_prefix, ldsocache_path) + new_ldsocache_path = new_ldsocache_path.rstrip(b("\0")) + if (len(new_ldsocache_path) >= sh_size): + print("ERROR: could not relocate %s, .ldsocache section size = %i and %i is needed." \ + % (elf_file_name, sh_size, len(new_ldsocache_path))) + sys.exit(-1) # pad with zeros new_ldsocache_path += b("\0") * (sh_size - len(new_ldsocache_path)) # write it back @@ -166,6 +162,11 @@ def change_dl_sysdirs(): while (offset + 4096) <= sh_size: path = f.read(4096) new_path = old_prefix.sub(new_prefix, path) + new_path = new_path.rstrip(b("\0")) + if (len(new_path) >= 4096): + print("ERROR: could not relocate %s, max path size = 4096 and %i is needed." \ + % (elf_file_name, len(new_path))) + sys.exit(-1) # pad with zeros new_path += b("\0") * (4096 - len(new_path)) #print "Changing %s to %s at %s" % (str(path), str(new_path), str(offset)) @@ -240,7 +241,7 @@ for e in executables_list: if arch: parse_elf_header() change_interpreter(e) - change_dl_sysdirs() + change_dl_sysdirs(e) """ change permissions back """ if perms: |