*/
#include "includes.h"
+#include "smbd/globals.h"
/*
This module implements directory related functions for Samba.
*/
-extern struct current_user current_user;
-
/* "Special" directory offsets. */
#define END_OF_DIRECTORY_OFFSET ((long)-1)
#define START_OF_DIRECTORY_OFFSET ((long)0)
bool did_stat; /* Optimisation for non-wcard searches. */
};
-static struct bitmap *dptr_bmap;
-static struct dptr_struct *dirptrs;
-static int dirhandles_open = 0;
#define INVALID_DPTR_KEY (-3)
void init_dptrs(void)
{
- static bool dptrs_init=False;
-
- if (dptrs_init)
+ if (dptr_bmap)
return;
dptr_bmap = bitmap_allocate(MAX_DIRECTORY_HANDLES);
if (!dptr_bmap)
exit_server("out of memory in init_dptrs");
-
- dptrs_init = True;
}
/****************************************************************************
return map_nt_error_from_unix(errno);
}
- string_set(&conn->dirpath,path);
-
if (dirhandles_open >= MAX_OPEN_DIRECTORIES) {
dptr_idleoldest();
}
Return the next visible file name, skipping veto'd and invisible files.
****************************************************************************/
-static const char *dptr_normal_ReadDirName(struct dptr_struct *dptr, long *poffset, SMB_STRUCT_STAT *pst)
+static const char *dptr_normal_ReadDirName(struct dptr_struct *dptr,
+ long *poffset, SMB_STRUCT_STAT *pst)
{
/* Normal search for the next file. */
const char *name;
- while ((name = ReadDirName(dptr->dir_hnd, poffset)) != NULL) {
+ while ((name = ReadDirName(dptr->dir_hnd, poffset, pst)) != NULL) {
if (is_visible_file(dptr->conn, dptr->path, name, pst, True)) {
return name;
}
Return the next visible file name, skipping veto'd and invisible files.
****************************************************************************/
-const char *dptr_ReadDirName(TALLOC_CTX *ctx,
+char *dptr_ReadDirName(TALLOC_CTX *ctx,
struct dptr_struct *dptr,
long *poffset,
SMB_STRUCT_STAT *pst)
{
+ struct smb_filename *smb_fname_base = NULL;
+ char *name = NULL;
+ char *pathreal = NULL;
+ char *found_name = NULL;
+ int ret;
+ const char *name_temp = NULL;
+ NTSTATUS status;
+
SET_STAT_INVALID(*pst);
- if (dptr->has_wild) {
- return dptr_normal_ReadDirName(dptr, poffset, pst);
+ if (dptr->has_wild || dptr->did_stat) {
+ name_temp = dptr_normal_ReadDirName(dptr, poffset, pst);
+ name = talloc_strdup(ctx, name_temp);
+ return name;
}
- /* If poffset is -1 then we know we returned this name before and we have
- no wildcards. We're at the end of the directory. */
+ /* If poffset is -1 then we know we returned this name before and we
+ * have no wildcards. We're at the end of the directory. */
if (*poffset == END_OF_DIRECTORY_OFFSET) {
return NULL;
}
- if (!dptr->did_stat) {
- char *pathreal = NULL;
+ /* We know the stored wcard contains no wildcard characters.
+ * See if we can match with a stat call. If we can't, then set
+ * did_stat to true to ensure we only do this once and keep
+ * searching. */
+
+ dptr->did_stat = true;
+
+ /* First check if it should be visible. */
+ if (!is_visible_file(dptr->conn, dptr->path, dptr->wcard,
+ pst, true))
+ {
+ /* This only returns false if the file was found, but
+ is explicitly not visible. Set us to end of
+ directory, but return NULL as we know we can't ever
+ find it. */
+ goto ret;
+ }
- /* We know the stored wcard contains no wildcard characters. See if we can match
- with a stat call. If we can't, then set did_stat to true to
- ensure we only do this once and keep searching. */
+ if (VALID_STAT(*pst)) {
+ name = talloc_strdup(ctx, dptr->wcard);
+ goto ret;
+ }
- dptr->did_stat = True;
+ pathreal = talloc_asprintf(ctx,
+ "%s/%s",
+ dptr->path,
+ dptr->wcard);
+ if (!pathreal)
+ return NULL;
- /* First check if it should be visible. */
- if (!is_visible_file(dptr->conn, dptr->path, dptr->wcard, pst, True)) {
- /* This only returns False if the file was found, but
- is explicitly not visible. Set us to end of directory,
- but return NULL as we know we can't ever find it. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return NULL;
- }
+ /* Create an smb_filename with stream_name == NULL. */
+ status = create_synthetic_smb_fname(ctx, pathreal, NULL, NULL,
+ &smb_fname_base);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NULL;
+ }
- if (VALID_STAT(*pst)) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return dptr->wcard;
+ if (SMB_VFS_STAT(dptr->conn, smb_fname_base) == 0) {
+ *pst = smb_fname_base->st;
+ TALLOC_FREE(smb_fname_base);
+ name = talloc_strdup(ctx, dptr->wcard);
+ goto clean;
+ } else {
+ TALLOC_FREE(smb_fname_base);
+ /* If we get any other error than ENOENT or ENOTDIR
+ then the file exists we just can't stat it. */
+ if (errno != ENOENT && errno != ENOTDIR) {
+ name = talloc_strdup(ctx, dptr->wcard);
+ goto clean;
}
+ }
- pathreal = talloc_asprintf(ctx,
- "%s/%s",
- dptr->path,
- dptr->wcard);
- if (!pathreal) {
- return NULL;
- }
+ /* Stat failed. We know this is authoratiative if we are
+ * providing case sensitive semantics or the underlying
+ * filesystem is case sensitive.
+ */
+ if (dptr->conn->case_sensitive ||
+ !(dptr->conn->fs_capabilities & FILE_CASE_SENSITIVE_SEARCH))
+ {
+ goto clean;
+ }
- if (SMB_VFS_STAT(dptr->conn,pathreal,pst) == 0) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- TALLOC_FREE(pathreal);
- return dptr->wcard;
- } else {
- /* If we get any other error than ENOENT or ENOTDIR
- then the file exists we just can't stat it. */
- if (errno != ENOENT && errno != ENOTDIR) {
- /* We need to set the underlying dir_hdn offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- TALLOC_FREE(pathreal);
- return dptr->wcard;
- }
- }
+ /*
+ * Try case-insensitive stat if the fs has the ability. This avoids
+ * scanning the whole directory.
+ */
+ ret = SMB_VFS_GET_REAL_FILENAME(dptr->conn, dptr->path, dptr->wcard,
+ ctx, &found_name);
+ if (ret == 0) {
+ name = found_name;
+ goto clean;
+ } else if (errno == ENOENT) {
+ /* The case-insensitive lookup was authoritative. */
+ goto clean;
+ }
- TALLOC_FREE(pathreal);
+ TALLOC_FREE(pathreal);
- /* Stat failed. We know this is authoratiative if we are
- * providing case sensitive semantics or the underlying
- * filesystem is case sensitive.
- */
+ name_temp = dptr_normal_ReadDirName(dptr, poffset, pst);
+ name = talloc_strdup(ctx, name_temp);
+ return name;
- if (dptr->conn->case_sensitive ||
- !(dptr->conn->fs_capabilities & FILE_CASE_SENSITIVE_SEARCH)) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return NULL;
- }
- }
- return dptr_normal_ReadDirName(dptr, poffset, pst);
+clean:
+ TALLOC_FREE(pathreal);
+ret:
+ /* We need to set the underlying dir_hnd offset to -1
+ * also as this function is usually called with the
+ * output from TellDir. */
+ dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
+ return name;
}
/****************************************************************************
DirCacheAdd(dptr->dir_hnd, name, offset);
}
+/****************************************************************************
+ Initialize variables & state data at the beginning of all search SMB requests.
+****************************************************************************/
+void dptr_init_search_op(struct dptr_struct *dptr)
+{
+ SMB_VFS_INIT_SEARCH_OP(dptr->conn, dptr->dir_hnd->dir);
+}
+
/****************************************************************************
Fill the 5 byte server reserved dptr field.
****************************************************************************/
return mask_match_search(mname,mask,False);
}
-/****************************************************************************
- Get an 8.3 directory entry.
-****************************************************************************/
-
-bool get_dir_entry(TALLOC_CTX *ctx,
- connection_struct *conn,
- const char *mask,
- uint32 dirtype,
- char **pp_fname_out,
- SMB_OFF_T *size,
- uint32 *mode,
- time_t *date,
- bool check_descend)
+bool smbd_dirptr_get_entry(TALLOC_CTX *ctx,
+ struct dptr_struct *dirptr,
+ const char *mask,
+ uint32_t dirtype,
+ bool dont_descend,
+ bool ask_sharemode,
+ bool (*match_fn)(TALLOC_CTX *ctx,
+ void *private_data,
+ const char *dname,
+ const char *mask,
+ char **_fname),
+ bool (*mode_fn)(TALLOC_CTX *ctx,
+ void *private_data,
+ struct smb_filename *smb_fname,
+ uint32_t *_mode),
+ void *private_data,
+ char **_fname,
+ struct smb_filename **_smb_fname,
+ uint32_t *_mode,
+ long *_prev_offset)
{
- const char *dname = NULL;
- bool found = False;
- SMB_STRUCT_STAT sbuf;
- char *pathreal = NULL;
- const char *filename = NULL;
+ connection_struct *conn = dirptr->conn;
bool needslash;
- *pp_fname_out = NULL;
+ *_smb_fname = NULL;
+ *_mode = 0;
- needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
+ needslash = ( dirptr->path[strlen(dirptr->path) -1] != '/');
- if (!conn->dirptr) {
- return(False);
- }
+ while (true) {
+ long cur_offset;
+ long prev_offset;
+ SMB_STRUCT_STAT sbuf;
+ char *dname = NULL;
+ bool isdots;
+ char *fname = NULL;
+ char *pathreal = NULL;
+ struct smb_filename *smb_fname = NULL;
+ uint32_t mode = 0;
+ bool ok;
+ NTSTATUS status;
- while (!found) {
- long curoff = dptr_TellDir(conn->dirptr);
- dname = dptr_ReadDirName(ctx, conn->dirptr, &curoff, &sbuf);
+ cur_offset = dptr_TellDir(dirptr);
+ prev_offset = cur_offset;
+ dname = dptr_ReadDirName(ctx, dirptr, &cur_offset, &sbuf);
- DEBUG(6,("readdir on dirptr 0x%lx now at offset %ld\n",
- (long)conn->dirptr,TellDir(conn->dirptr->dir_hnd)));
+ DEBUG(6,("smbd_dirptr_get_entry: dirptr 0x%lx now at offset %ld\n",
+ (long)dirptr, cur_offset));
if (dname == NULL) {
- return(False);
+ return false;
}
- filename = dname;
-
- /* notice the special *.* handling. This appears to be the only difference
- between the wildcard handling in this routine and in the trans2 routines.
- see masktest for a demo
- */
- if ((strcmp(mask,"*.*") == 0) ||
- mask_match_search(filename,mask,False) ||
- mangle_mask_match(conn,filename,mask)) {
- char mname[13];
-
- if (!mangle_is_8_3(filename, False, conn->params)) {
- if (!name_to_8_3(filename,mname,False,
- conn->params)) {
- continue;
- }
- filename = mname;
- }
+ isdots = (ISDOT(dname) || ISDOTDOT(dname));
+ if (dont_descend && !isdots) {
+ TALLOC_FREE(dname);
+ continue;
+ }
- if (needslash) {
- pathreal = talloc_asprintf(ctx,
- "%s/%s",
- conn->dirpath,
- dname);
- } else {
- pathreal = talloc_asprintf(ctx,
- "%s%s",
- conn->dirpath,
- dname);
- }
- if (!pathreal) {
- return False;
- }
+ /*
+ * fname may get mangled, dname is never mangled.
+ * Whenever we're accessing the filesystem we use
+ * pathreal which is composed from dname.
+ */
- if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn, pathreal, &sbuf)) != 0) {
- DEBUG(5,("Couldn't stat 1 [%s]. Error = %s\n",
- pathreal, strerror(errno) ));
- TALLOC_FREE(pathreal);
- continue;
- }
+ ok = match_fn(ctx, private_data, dname, mask, &fname);
+ if (!ok) {
+ TALLOC_FREE(dname);
+ continue;
+ }
- *mode = dos_mode(conn,pathreal,&sbuf);
+ pathreal = talloc_asprintf(ctx, "%s%s%s",
+ dirptr->path,
+ needslash?"/":"",
+ dname);
+ if (!pathreal) {
+ TALLOC_FREE(dname);
+ TALLOC_FREE(fname);
+ return false;
+ }
- if (!dir_check_ftype(conn,*mode,dirtype)) {
- DEBUG(5,("[%s] attribs 0x%x didn't match 0x%x\n",filename,(unsigned int)*mode,(unsigned int)dirtype));
- TALLOC_FREE(pathreal);
- continue;
+ /* Create smb_fname with NULL stream_name. */
+ status = create_synthetic_smb_fname(ctx, pathreal,
+ NULL, &sbuf,
+ &smb_fname);
+ TALLOC_FREE(pathreal);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(dname);
+ TALLOC_FREE(fname);
+ return false;
+ }
+
+ ok = mode_fn(ctx, private_data, smb_fname, &mode);
+ if (!ok) {
+ TALLOC_FREE(dname);
+ TALLOC_FREE(fname);
+ TALLOC_FREE(smb_fname);
+ continue;
+ }
+
+ if (!dir_check_ftype(conn, mode, dirtype)) {
+ DEBUG(5,("[%s] attribs 0x%x didn't match 0x%x\n",
+ fname, (unsigned int)mode, (unsigned int)dirtype));
+ TALLOC_FREE(dname);
+ TALLOC_FREE(fname);
+ TALLOC_FREE(smb_fname);
+ continue;
+ }
+
+ if (ask_sharemode) {
+ struct timespec write_time_ts;
+ struct file_id fileid;
+
+ fileid = vfs_file_id_from_sbuf(conn,
+ &smb_fname->st);
+ get_file_infos(fileid, NULL, &write_time_ts);
+ if (!null_timespec(write_time_ts)) {
+ update_stat_ex_mtime(&smb_fname->st,
+ write_time_ts);
}
+ }
+
+ DEBUG(3,("smbd_dirptr_get_entry mask=[%s] found %s "
+ "fname=%s (%s)\n",
+ mask, smb_fname_str_dbg(smb_fname),
+ dname, fname));
+
+ DirCacheAdd(dirptr->dir_hnd, dname, cur_offset);
- *size = sbuf.st_size;
- *date = sbuf.st_mtime;
+ TALLOC_FREE(dname);
- DEBUG(3,("get_dir_entry mask=[%s] found %s "
- "fname=%s (%s)\n",
- mask,
- pathreal,
- dname,
- filename));
+ *_fname = fname;
+ *_smb_fname = smb_fname;
+ *_mode = mode;
+ *_prev_offset = prev_offset;
+
+ return true;
+ }
- found = True;
+ return false;
+}
+
+/****************************************************************************
+ Get an 8.3 directory entry.
+****************************************************************************/
- *pp_fname_out = talloc_strdup(ctx, filename);
- if (!*pp_fname_out) {
- return False;
+static bool smbd_dirptr_8_3_match_fn(TALLOC_CTX *ctx,
+ void *private_data,
+ const char *dname,
+ const char *mask,
+ char **_fname)
+{
+ connection_struct *conn = (connection_struct *)private_data;
+
+ if ((strcmp(mask,"*.*") == 0) ||
+ mask_match_search(dname, mask, false) ||
+ mangle_mask_match(conn, dname, mask)) {
+ char mname[13];
+ const char *fname;
+
+ if (!mangle_is_8_3(dname, false, conn->params)) {
+ bool ok = name_to_8_3(dname, mname, false,
+ conn->params);
+ if (!ok) {
+ return false;
}
+ fname = mname;
+ } else {
+ fname = dname;
+ }
+
+ *_fname = talloc_strdup(ctx, fname);
+ if (*_fname == NULL) {
+ return false;
+ }
+
+ return true;
+ }
+
+ return false;
+}
- DirCacheAdd(conn->dirptr->dir_hnd, dname, curoff);
- TALLOC_FREE(pathreal);
+static bool smbd_dirptr_8_3_mode_fn(TALLOC_CTX *ctx,
+ void *private_data,
+ struct smb_filename *smb_fname,
+ uint32_t *_mode)
+{
+ connection_struct *conn = (connection_struct *)private_data;
+
+ if (!VALID_STAT(smb_fname->st)) {
+ if ((SMB_VFS_STAT(conn, smb_fname)) != 0) {
+ DEBUG(5,("smbd_dirptr_8_3_mode_fn: "
+ "Couldn't stat [%s]. Error "
+ "= %s\n",
+ smb_fname_str_dbg(smb_fname),
+ strerror(errno)));
+ return false;
}
}
- return(found);
+ *_mode = dos_mode(conn, smb_fname);
+ return true;
+}
+
+bool get_dir_entry(TALLOC_CTX *ctx,
+ struct dptr_struct *dirptr,
+ const char *mask,
+ uint32_t dirtype,
+ char **_fname,
+ SMB_OFF_T *_size,
+ uint32_t *_mode,
+ struct timespec *_date,
+ bool check_descend,
+ bool ask_sharemode)
+{
+ connection_struct *conn = dirptr->conn;
+ char *fname = NULL;
+ struct smb_filename *smb_fname = NULL;
+ uint32_t mode = 0;
+ long prev_offset;
+ bool ok;
+
+ ok = smbd_dirptr_get_entry(ctx,
+ dirptr,
+ mask,
+ dirtype,
+ check_descend,
+ ask_sharemode,
+ smbd_dirptr_8_3_match_fn,
+ smbd_dirptr_8_3_mode_fn,
+ conn,
+ &fname,
+ &smb_fname,
+ &mode,
+ &prev_offset);
+ if (!ok) {
+ return false;
+ }
+
+ *_fname = talloc_move(ctx, &fname);
+ *_size = smb_fname->st.st_ex_size;
+ *_mode = mode;
+ *_date = smb_fname->st.st_ex_mtime;
+ TALLOC_FREE(smb_fname);
+ return true;
}
/*******************************************************************
use it for anything security sensitive.
********************************************************************/
-static bool user_can_read_file(connection_struct *conn, char *name, SMB_STRUCT_STAT *pst)
+static bool user_can_read_file(connection_struct *conn,
+ struct smb_filename *smb_fname)
{
- SEC_DESC *psd = NULL;
- files_struct *fsp;
- NTSTATUS status;
- uint32 access_granted;
-
/*
* If user is a member of the Admin group
* we never hide files from them.
return True;
}
- SMB_ASSERT(VALID_STAT(*pst));
-
- /* Pseudo-open the file (note - no fd's created). */
-
- if(S_ISDIR(pst->st_mode)) {
- status = open_directory(conn, NULL, name, pst,
- READ_CONTROL_ACCESS,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- FILE_OPEN,
- 0, /* no create options. */
- FILE_ATTRIBUTE_DIRECTORY,
- NULL, &fsp);
- } else {
- status = open_file_stat(conn, NULL, name, pst, &fsp);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- return False;
- }
-
- /* Get NT ACL -allocated in main loop talloc context. No free needed here. */
- status = SMB_VFS_FGET_NT_ACL(fsp,
- (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|DACL_SECURITY_INFORMATION), &psd);
- close_file(fsp, NORMAL_CLOSE);
-
- /* No access if SD get failed. */
- if (!NT_STATUS_IS_OK(status)) {
- return False;
- }
-
- return se_access_check(psd, current_user.nt_user_token, FILE_READ_DATA,
- &access_granted, &status);
+ return can_access_file_acl(conn, smb_fname, FILE_READ_DATA);
}
/*******************************************************************
use it for anything security sensitive.
********************************************************************/
-static bool user_can_write_file(connection_struct *conn, char *name, SMB_STRUCT_STAT *pst)
+static bool user_can_write_file(connection_struct *conn,
+ const struct smb_filename *smb_fname)
{
- SEC_DESC *psd = NULL;
- files_struct *fsp;
- int info;
- NTSTATUS status;
- uint32 access_granted;
-
/*
* If user is a member of the Admin group
* we never hide files from them.
return True;
}
- SMB_ASSERT(VALID_STAT(*pst));
+ SMB_ASSERT(VALID_STAT(smb_fname->st));
/* Pseudo-open the file */
- if(S_ISDIR(pst->st_mode)) {
+ if(S_ISDIR(smb_fname->st.st_ex_mode)) {
return True;
- } else {
- status = open_file_ntcreate(conn, NULL, name, pst,
- FILE_WRITE_ATTRIBUTES,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- FILE_OPEN,
- 0,
- FILE_ATTRIBUTE_NORMAL,
- INTERNAL_OPEN_ONLY,
- &info, &fsp);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- return False;
}
- /* Get NT ACL -allocated in main loop talloc context. No free needed here. */
- status = SMB_VFS_FGET_NT_ACL(fsp,
- (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|DACL_SECURITY_INFORMATION), &psd);
- close_file(fsp, NORMAL_CLOSE);
-
- /* No access if SD get failed. */
- if (!NT_STATUS_IS_OK(status)) {
- return False;
- }
-
- return se_access_check(psd, current_user.nt_user_token, FILE_WRITE_DATA,
- &access_granted, &status);
+ return can_write_to_file(conn, smb_fname);
}
/*******************************************************************
Is a file a "special" type ?
********************************************************************/
-static bool file_is_special(connection_struct *conn, char *name, SMB_STRUCT_STAT *pst)
+static bool file_is_special(connection_struct *conn,
+ const struct smb_filename *smb_fname)
{
/*
* If user is a member of the Admin group
if (conn->admin_user)
return False;
- SMB_ASSERT(VALID_STAT(*pst));
+ SMB_ASSERT(VALID_STAT(smb_fname->st));
- if (S_ISREG(pst->st_mode) || S_ISDIR(pst->st_mode) || S_ISLNK(pst->st_mode))
+ if (S_ISREG(smb_fname->st.st_ex_mode) ||
+ S_ISDIR(smb_fname->st.st_ex_mode) ||
+ S_ISLNK(smb_fname->st.st_ex_mode))
return False;
return True;
}
/*******************************************************************
- Should the file be seen by the client ? NOTE: A successful return
- is no guarantee of the file's existence ... you also have to check
- whether pst is valid.
+ Should the file be seen by the client?
+ NOTE: A successful return is no guarantee of the file's existence.
********************************************************************/
-bool is_visible_file(connection_struct *conn, const char *dir_path, const char *name, SMB_STRUCT_STAT *pst, bool use_veto)
+bool is_visible_file(connection_struct *conn, const char *dir_path,
+ const char *name, SMB_STRUCT_STAT *pst, bool use_veto)
{
bool hide_unreadable = lp_hideunreadable(SNUM(conn));
bool hide_unwriteable = lp_hideunwriteable_files(SNUM(conn));
bool hide_special = lp_hide_special_files(SNUM(conn));
-
- SET_STAT_INVALID(*pst);
+ char *entry = NULL;
+ struct smb_filename *smb_fname_base = NULL;
+ NTSTATUS status;
+ bool ret = false;
if ((strcmp(".",name) == 0) || (strcmp("..",name) == 0)) {
return True; /* . and .. are always visible. */
}
if (hide_unreadable || hide_unwriteable || hide_special) {
- char *entry = NULL;
-
- if (asprintf(&entry, "%s/%s", dir_path, name) == -1) {
- return False;
+ entry = talloc_asprintf(talloc_tos(), "%s/%s", dir_path, name);
+ if (!entry) {
+ ret = false;
+ goto out;
}
/* If it's a dfs symlink, ignore _hide xxxx_ options */
if (lp_host_msdfs() &&
lp_msdfs_root(SNUM(conn)) &&
is_msdfs_link(conn, entry, NULL)) {
- SAFE_FREE(entry);
- return True;
+ ret = true;
+ goto out;
+ }
+
+ /* Create an smb_filename with stream_name == NULL. */
+ status = create_synthetic_smb_fname(talloc_tos(), entry, NULL,
+ pst, &smb_fname_base);
+ if (!NT_STATUS_IS_OK(status)) {
+ ret = false;
+ goto out;
}
/* If the file name does not exist, there's no point checking
* the configuration options. We succeed, on the basis that the
* checks *might* have passed if the file was present.
*/
- if (SMB_VFS_STAT(conn, entry, pst) != 0) {
- SAFE_FREE(entry);
- return True;
+ if (!VALID_STAT(*pst)) {
+ if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
+ ret = true;
+ goto out;
+ } else {
+ *pst = smb_fname_base->st;
+ }
}
/* Honour _hide unreadable_ option */
- if (hide_unreadable && !user_can_read_file(conn, entry, pst)) {
- DEBUG(10,("is_visible_file: file %s is unreadable.\n", entry ));
- SAFE_FREE(entry);
- return False;
+ if (hide_unreadable &&
+ !user_can_read_file(conn, smb_fname_base)) {
+ DEBUG(10,("is_visible_file: file %s is unreadable.\n",
+ entry ));
+ ret = false;
+ goto out;
}
/* Honour _hide unwriteable_ option */
- if (hide_unwriteable && !user_can_write_file(conn, entry, pst)) {
- DEBUG(10,("is_visible_file: file %s is unwritable.\n", entry ));
- SAFE_FREE(entry);
- return False;
+ if (hide_unwriteable && !user_can_write_file(conn,
+ smb_fname_base)) {
+ DEBUG(10,("is_visible_file: file %s is unwritable.\n",
+ entry ));
+ ret = false;
+ goto out;
}
/* Honour _hide_special_ option */
- if (hide_special && file_is_special(conn, entry, pst)) {
- DEBUG(10,("is_visible_file: file %s is special.\n", entry ));
- SAFE_FREE(entry);
- return False;
+ if (hide_special && file_is_special(conn, smb_fname_base)) {
+ DEBUG(10,("is_visible_file: file %s is special.\n",
+ entry ));
+ ret = false;
+ goto out;
}
- SAFE_FREE(entry);
}
- return True;
+
+ ret = true;
+ out:
+ TALLOC_FREE(smb_fname_base);
+ TALLOC_FREE(entry);
+ return ret;
}
static int smb_Dir_destructor(struct smb_Dir *dirp)
dirp->dir_path = talloc_strdup(dirp, name);
if (!dirp->dir_path) {
+ errno = ENOMEM;
goto fail;
}
}
/*******************************************************************
- Read from a directory. Also return current offset.
+ Read from a directory.
+ Return directory entry, current offset, and optional stat information.
Don't check for veto or invisible files.
********************************************************************/
-const char *ReadDirName(struct smb_Dir *dirp, long *poffset)
+const char *ReadDirName(struct smb_Dir *dirp, long *poffset,
+ SMB_STRUCT_STAT *sbuf)
{
const char *n;
connection_struct *conn = dirp->conn;
/* Cheat to allow . and .. to be the first entries returned. */
- if (((*poffset == START_OF_DIRECTORY_OFFSET) || (*poffset == DOT_DOT_DIRECTORY_OFFSET)) && (dirp->file_number < 2)) {
+ if (((*poffset == START_OF_DIRECTORY_OFFSET) ||
+ (*poffset == DOT_DOT_DIRECTORY_OFFSET)) && (dirp->file_number < 2))
+ {
if (dirp->file_number == 0) {
n = ".";
*poffset = dirp->offset = START_OF_DIRECTORY_OFFSET;
SeekDir(dirp, *poffset);
}
- while ((n = vfs_readdirname(conn, dirp->dir))) {
+ while ((n = vfs_readdirname(conn, dirp->dir, sbuf))) {
/* Ignore . and .. - we've already returned them. */
if (*n == '.') {
if ((n[1] == '\0') || (n[1] == '.' && n[2] == '\0')) {
SMB_VFS_REWINDDIR(conn, dirp->dir);
dirp->file_number = 0;
*poffset = START_OF_DIRECTORY_OFFSET;
- while ((entry = ReadDirName(dirp, poffset))) {
+ while ((entry = ReadDirName(dirp, poffset, NULL))) {
if (conn->case_sensitive ? (strcmp(entry, name) == 0) : strequal(entry, name)) {
return True;
}
NTSTATUS status = NT_STATUS_OK;
long dirpos = 0;
const char *dname;
+ SMB_STRUCT_STAT st;
struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn, dirname,
NULL, 0);
return map_nt_error_from_unix(errno);
}
- while ((dname = ReadDirName(dir_hnd,&dirpos))) {
- SMB_STRUCT_STAT st;
-
+ while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
/* Quick check for "." and ".." */
if (dname[0] == '.') {
if (!dname[1] || (dname[1] == '.' && !dname[2])) {
continue;
}
- DEBUG(10,("can_delete_directory: got name %s - can't delete\n", dname ));
+ DEBUG(10,("can_delete_directory: got name %s - can't delete\n",
+ dname ));
status = NT_STATUS_DIRECTORY_NOT_EMPTY;
break;
}
git.samba.org / samba.git / blobdiff