static size_t interpret_long_filename(struct cli_state *cli, int level,char *p,file_info *finfo,
uint32 *p_resume_key, DATA_BLOB *p_last_name_raw, uint32 *p_last_name_raw_len)
{
file_info finfo2;
int len;
char *base = p;
if (!finfo) {
finfo = &finfo2;
}
if (p_resume_key) {
*p_resume_key = 0;
}
memcpy(finfo,&def_finfo,sizeof(*finfo));
finfo->cli = cli;
switch (level) {
case 1: /* OS/2 understands this */
/* these dates are converted to GMT by
make_unix_date */
finfo->ctime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+4));
finfo->atime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+8));
finfo->mtime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+12));
finfo->size = IVAL(p,16);
finfo->mode = CVAL(p,24);
len = CVAL(p, 26);
p += 27;
p += clistr_align_in(cli, p, 0);
/* the len+2 below looks strange but it is
important to cope with the differences
between win2000 and win9x for this call
(tridge) */
p += clistr_pull(cli, finfo->name, p,
sizeof(finfo->name),
len+2,
STR_TERMINATE);
return PTR_DIFF(p, base);
case 2: /* this is what OS/2 uses mostly */
/* these dates are converted to GMT by
make_unix_date */
finfo->ctime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+4));
finfo->atime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+8));
finfo->mtime_ts = convert_time_t_to_timespec(cli_make_unix_date2(cli, p+12));
finfo->size = IVAL(p,16);
finfo->mode = CVAL(p,24);
len = CVAL(p, 30);
p += 31;
/* check for unisys! */
p += clistr_pull(cli, finfo->name, p,
sizeof(finfo->name),
len,
STR_NOALIGN);
return PTR_DIFF(p, base) + 1;
case 260: /* NT uses this, but also accepts 2 */
{
size_t namelen, slen;
p += 4; /* next entry offset */
if (p_resume_key) {
*p_resume_key = IVAL(p,0);
}
p += 4; /* fileindex */
/* Offset zero is "create time", not "change time". */
p += 8;
finfo->atime_ts = interpret_long_date(p);
p += 8;
finfo->mtime_ts = interpret_long_date(p);
p += 8;
finfo->ctime_ts = interpret_long_date(p);
p += 8;
finfo->size = IVAL2_TO_SMB_BIG_UINT(p,0);
p += 8;
p += 8; /* alloc size */
finfo->mode = CVAL(p,0);
p += 4;
namelen = IVAL(p,0);
p += 4;
p += 4; /* EA size */
slen = SVAL(p, 0);
p += 2;
{
/* stupid NT bugs. grr */
int flags = 0;
if (p[1] == 0 && namelen > 1) flags |= STR_UNICODE;
clistr_pull(cli, finfo->short_name, p,
sizeof(finfo->short_name),
slen, flags);
}
p += 24; /* short name? */
clistr_pull(cli, finfo->name, p,
sizeof(finfo->name),
namelen, 0);
/* To be robust in the face of unicode conversion failures
we need to copy the raw bytes of the last name seen here.
Namelen doesn't include the terminating unicode null, so
copy it here. */
if (p_last_name_raw && p_last_name_raw_len) {
if (namelen + 2 > p_last_name_raw->length) {
memset(p_last_name_raw->data, '\0', sizeof(p_last_name_raw->length));
*p_last_name_raw_len = 0;
} else {
memcpy(p_last_name_raw->data, p, namelen);
SSVAL(p_last_name_raw->data, namelen, 0);
*p_last_name_raw_len = namelen + 2;
}
}
return (size_t)IVAL(base, 0);
}
}
DEBUG(1,("Unknown long filename format %d\n",level));
return (size_t)IVAL(base,0);
}
int
SMBC_fstat_ctx(SMBCCTX *context,
SMBCFILE *file,
struct stat *st)
{
struct timespec change_time_ts;
struct timespec access_time_ts;
struct timespec write_time_ts;
SMB_OFF_T size;
uint16 mode;
char *server = NULL;
char *share = NULL;
char *user = NULL;
char *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
SMB_INO_T ino = 0;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
if (!file->file) {
TALLOC_FREE(frame);
return smbc_getFunctionFstatdir(context)(context, file, st);
}
/*d_printf(">>>fstat: parsing %s\n", file->fname);*/
if (SMBC_parse_path(frame,
context,
file->fname,
NULL,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>fstat: resolving %s\n", path);*/
status = cli_resolve_path(frame, "", context->internal->auth_info,
file->srv->cli, path,
&targetcli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
if (!NT_STATUS_IS_OK(cli_qfileinfo_basic(
targetcli, file->cli_fd, &mode, &size,
NULL,
&access_time_ts,
&write_time_ts,
&change_time_ts,
&ino))) {
time_t change_time, access_time, write_time;
if (!NT_STATUS_IS_OK(cli_getattrE(targetcli, file->cli_fd, &mode, &size,
&change_time, &access_time, &write_time))) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
change_time_ts = convert_time_t_to_timespec(change_time);
access_time_ts = convert_time_t_to_timespec(access_time);
write_time_ts = convert_time_t_to_timespec(write_time);
}
st->st_ino = ino;
setup_stat(context, st, file->fname, size, mode);
st->st_atime = convert_timespec_to_time_t(access_time_ts);
st->st_ctime = convert_timespec_to_time_t(change_time_ts);
st->st_mtime = convert_timespec_to_time_t(write_time_ts);
st->st_dev = file->srv->dev;
TALLOC_FREE(frame);
return 0;
}
/*
* Get info from an SMB server on a file. Use a qpathinfo call first
* and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
*/
bool
SMBC_getatr(SMBCCTX * context,
SMBCSRV *srv,
const char *path,
uint16_t *mode,
off_t *size,
struct timespec *create_time_ts,
struct timespec *access_time_ts,
struct timespec *write_time_ts,
struct timespec *change_time_ts,
SMB_INO_T *ino)
{
char *fixedpath = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
time_t write_time;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return False;
}
/* path fixup for . and .. */
if (strequal(path, ".") || strequal(path, "..")) {
fixedpath = talloc_strdup(frame, "\\");
if (!fixedpath) {
errno = ENOMEM;
TALLOC_FREE(frame);
return False;
}
} else {
fixedpath = talloc_strdup(frame, path);
if (!fixedpath) {
errno = ENOMEM;
TALLOC_FREE(frame);
return False;
}
trim_string(fixedpath, NULL, "\\..");
trim_string(fixedpath, NULL, "\\.");
}
DEBUG(4,("SMBC_getatr: sending qpathinfo\n"));
status = cli_resolve_path(frame, "", context->internal->auth_info,
srv->cli, fixedpath,
&targetcli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Couldn't resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return False;
}
if (!srv->no_pathinfo2 &&
NT_STATUS_IS_OK(cli_qpathinfo2(targetcli, targetpath,
create_time_ts,
access_time_ts,
write_time_ts,
change_time_ts,
size, mode, ino))) {
TALLOC_FREE(frame);
return True;
}
srv->no_pathinfo2 = True;
if (!srv->no_pathinfo3 &&
NT_STATUS_IS_OK(cli_qpathinfo3(targetcli, targetpath,
create_time_ts,
access_time_ts,
write_time_ts,
change_time_ts,
size, mode, ino))) {
TALLOC_FREE(frame);
return True;
}
srv->no_pathinfo3 = True;
/* if this is NT then don't bother with the getatr */
if (smb1cli_conn_capabilities(targetcli->conn) & CAP_NT_SMBS) {
goto all_failed;
}
if (NT_STATUS_IS_OK(cli_getatr(targetcli, targetpath, mode, size, &write_time))) {
struct timespec w_time_ts;
w_time_ts = convert_time_t_to_timespec(write_time);
if (write_time_ts != NULL) {
*write_time_ts = w_time_ts;
}
if (create_time_ts != NULL) {
*create_time_ts = w_time_ts;
}
if (access_time_ts != NULL) {
*access_time_ts = w_time_ts;
}
if (change_time_ts != NULL) {
*change_time_ts = w_time_ts;
}
if (ino) {
*ino = 0;
}
TALLOC_FREE(frame);
return True;
}
all_failed:
srv->no_pathinfo2 = False;
srv->no_pathinfo3 = False;
errno = EPERM;
TALLOC_FREE(frame);
return False;
}
static size_t interpret_long_filename(TALLOC_CTX *ctx,
struct cli_state *cli,
int level,
const char *base_ptr,
uint16_t recv_flags2,
const char *p,
const char *pdata_end,
struct file_info *finfo,
uint32 *p_resume_key,
DATA_BLOB *p_last_name_raw)
{
int len;
size_t ret;
const char *base = p;
data_blob_free(p_last_name_raw);
if (p_resume_key) {
*p_resume_key = 0;
}
ZERO_STRUCTP(finfo);
switch (level) {
case SMB_FIND_INFO_STANDARD: /* OS/2 understands this */
/* these dates are converted to GMT by
make_unix_date */
if (pdata_end - base < 27) {
return pdata_end - base;
}
finfo->ctime_ts = convert_time_t_to_timespec(
make_unix_date2(p+4, smb1cli_conn_server_time_zone(cli->conn)));
finfo->atime_ts = convert_time_t_to_timespec(
make_unix_date2(p+8, smb1cli_conn_server_time_zone(cli->conn)));
finfo->mtime_ts = convert_time_t_to_timespec(
make_unix_date2(p+12, smb1cli_conn_server_time_zone(cli->conn)));
finfo->size = IVAL(p,16);
finfo->mode = CVAL(p,24);
len = CVAL(p, 26);
p += 27;
if (recv_flags2 & FLAGS2_UNICODE_STRINGS) {
p += ucs2_align(base_ptr, p, STR_UNICODE);
}
/* We can safely use len here (which is required by OS/2)
* and the NAS-BASIC server instead of +2 or +1 as the
* STR_TERMINATE flag below is
* actually used as the length calculation.
* The len is merely an upper bound.
* Due to the explicit 2 byte null termination
* in cli_receive_trans/cli_receive_nt_trans
* we know this is safe. JRA + kukks
*/
if (p + len > pdata_end) {
return pdata_end - base;
}
/* the len+2 below looks strange but it is
important to cope with the differences
between win2000 and win9x for this call
(tridge) */
ret = clistr_pull_talloc(ctx,
base_ptr,
recv_flags2,
&finfo->name,
p,
len+2,
STR_TERMINATE);
if (ret == (size_t)-1) {
return pdata_end - base;
}
p += ret;
return PTR_DIFF(p, base);
case SMB_FIND_EA_SIZE: /* this is what OS/2 uses mostly */
/* these dates are converted to GMT by
make_unix_date */
if (pdata_end - base < 31) {
return pdata_end - base;
}
finfo->ctime_ts = convert_time_t_to_timespec(
make_unix_date2(p+4, smb1cli_conn_server_time_zone(cli->conn)));
finfo->atime_ts = convert_time_t_to_timespec(
make_unix_date2(p+8, smb1cli_conn_server_time_zone(cli->conn)));
finfo->mtime_ts = convert_time_t_to_timespec(
make_unix_date2(p+12, smb1cli_conn_server_time_zone(cli->conn)));
finfo->size = IVAL(p,16);
finfo->mode = CVAL(p,24);
len = CVAL(p, 30);
p += 31;
/* check for unisys! */
if (p + len + 1 > pdata_end) {
return pdata_end - base;
}
ret = clistr_pull_talloc(ctx,
base_ptr,
recv_flags2,
&finfo->name,
p,
len,
STR_NOALIGN);
if (ret == (size_t)-1) {
return pdata_end - base;
}
p += ret;
return PTR_DIFF(p, base) + 1;
case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: /* NT uses this, but also accepts 2 */
{
size_t namelen, slen;
if (pdata_end - base < 94) {
return pdata_end - base;
}
p += 4; /* next entry offset */
if (p_resume_key) {
*p_resume_key = IVAL(p,0);
}
p += 4; /* fileindex */
/* Offset zero is "create time", not "change time". */
p += 8;
finfo->atime_ts = interpret_long_date(p);
p += 8;
finfo->mtime_ts = interpret_long_date(p);
p += 8;
finfo->ctime_ts = interpret_long_date(p);
p += 8;
finfo->size = IVAL2_TO_SMB_BIG_UINT(p,0);
p += 8;
p += 8; /* alloc size */
finfo->mode = CVAL(p,0);
p += 4;
namelen = IVAL(p,0);
p += 4;
p += 4; /* EA size */
slen = SVAL(p, 0);
if (slen > 24) {
/* Bad short name length. */
return pdata_end - base;
}
p += 2;
ret = clistr_pull_talloc(ctx,
base_ptr,
recv_flags2,
&finfo->short_name,
p,
slen,
STR_UNICODE);
if (ret == (size_t)-1) {
return pdata_end - base;
}
p += 24; /* short name? */
if (p + namelen < p || p + namelen > pdata_end) {
return pdata_end - base;
}
ret = clistr_pull_talloc(ctx,
base_ptr,
recv_flags2,
&finfo->name,
p,
namelen,
0);
if (ret == (size_t)-1) {
return pdata_end - base;
}
/* To be robust in the face of unicode conversion failures
we need to copy the raw bytes of the last name seen here.
Namelen doesn't include the terminating unicode null, so
copy it here. */
if (p_last_name_raw) {
*p_last_name_raw = data_blob(NULL, namelen+2);
memcpy(p_last_name_raw->data, p, namelen);
SSVAL(p_last_name_raw->data, namelen, 0);
}
return calc_next_entry_offset(base, pdata_end);
}
}
DEBUG(1,("Unknown long filename format %d\n",level));
return calc_next_entry_offset(base, pdata_end);
}
