def ql_syscall_creat(ql: Qiling, filename: int, mode: int):
flags = posix_open_flags["O_WRONLY"] | posix_open_flags[
"O_CREAT"] | posix_open_flags["O_TRUNC"]
path = ql.os.utils.read_cstring(filename)
real_path = ql.os.path.transform_to_real_path(path)
relative_path = ql.os.path.transform_to_relative_path(path)
flags &= 0xffffffff
mode &= 0xffffffff
idx = next((i for i in range(NR_OPEN) if ql.os.fd[i] == 0), -1)
if idx == -1:
regreturn = -ENOMEM
else:
try:
if ql.archtype == QL_ARCH.ARM:
mode = 0
flags = ql_open_flag_mapping(ql, flags)
ql.os.fd[idx] = ql.os.fs_mapper.open_ql_file(path, flags, mode)
regreturn = idx
except QlSyscallError as e:
regreturn = -e.errno
ql.log.debug("creat(%s, 0o%o) = %d" % (relative_path, mode, regreturn))
if regreturn >= 0 and regreturn != 2:
ql.log.debug(f'File found: {real_path:s}')
else:
ql.log.debug(f'File not found {real_path:s}')
return regreturn
def ql_syscall_open(ql: Qiling, filename: int, flags: int, mode: int):
path = ql.os.utils.read_cstring(filename)
real_path = ql.os.path.transform_to_real_path(path)
relative_path = ql.os.path.transform_to_relative_path(path)
flags &= 0xffffffff
mode &= 0xffffffff
idx = next((i for i in range(NR_OPEN) if ql.os.fd[i] == 0), -1)
if idx == -1:
regreturn = -EMFILE
else:
try:
if ql.archtype == QL_ARCH.ARM and ql.ostype != QL_OS.QNX:
mode = 0
#flags = ql_open_flag_mapping(ql, flags)
flags = ql_open_flag_mapping(ql, flags)
ql.os.fd[idx] = ql.os.fs_mapper.open_ql_file(path, flags, mode)
regreturn = idx
except QlSyscallError as e:
regreturn = -e.errno
ql.log.debug("open(%s, 0o%o) = %d" % (relative_path, mode, regreturn))
if regreturn >= 0 and regreturn != 2:
ql.log.debug(f'File found: {real_path:s}')
else:
ql.log.debug(f'File not found {real_path:s}')
return regreturn
def ql_syscall_openat(ql: Qiling, fd: int, path: int, flags: int, mode: int):
file_path = ql.os.utils.read_cstring(path)
# real_path = ql.os.path.transform_to_real_path(path)
# relative_path = ql.os.path.transform_to_relative_path(path)
flags &= 0xffffffff
mode &= 0xffffffff
idx = next((i for i in range(NR_OPEN) if ql.os.fd[i] == 0), -1)
if idx == -1:
regreturn = -EMFILE
else:
try:
if ql.archtype == QL_ARCH.ARM:
mode = 0
flags = ql_open_flag_mapping(ql, flags)
try:
dir_fd = ql.os.fd[fd].fileno()
except:
dir_fd = None
ql.os.fd[idx] = ql.os.fs_mapper.open_ql_file(
file_path, flags, mode, dir_fd)
regreturn = idx
except QlSyscallError as e:
regreturn = -e.errno
ql.log.debug(
f'openat(fd = {fd:d}, path = {file_path}, flags = {open_flags_mapping(flags, ql.archtype)}, mode = {mode:#o}) = {regreturn:d}'
)
return regreturn
def ql_syscall_openat(ql: Qiling, fd: int, path: int, flags: int, mode: int):
file_path = ql.os.utils.read_cstring(path)
# real_path = ql.os.path.transform_to_real_path(path)
# relative_path = ql.os.path.transform_to_relative_path(path)
flags &= 0xffffffff
mode &= 0xffffffff
idx = next((i for i in range(NR_OPEN) if ql.os.fd[i] is None), -1)
if idx == -1:
regreturn = -EMFILE
else:
try:
if ql.arch.type == QL_ARCH.ARM:
mode = 0
flags = ql_open_flag_mapping(ql, flags)
fd = ql.unpacks(ql.pack(fd))
if 0 <= fd < NR_OPEN:
fobj = ql.os.fd[fd]
# ql_file object or QlFsMappedObject
if hasattr(fobj, "fileno") and hasattr(fobj, "name"):
if not Path.is_absolute(Path(file_path)):
file_path = Path(fobj.name) / Path(file_path)
ql.os.fd[idx] = ql.os.fs_mapper.open_ql_file(
file_path, flags, mode)
regreturn = idx
except QlSyscallError as e:
regreturn = -e.errno
ql.log.debug(
f'openat(fd = {fd:d}, path = {file_path}, mode = {mode:#o}) = {regreturn:d}'
)
return regreturn
