diff options
Diffstat (limited to 'source3/smbd/vfs.c')
-rw-r--r-- | source3/smbd/vfs.c | 110 |
1 files changed, 94 insertions, 16 deletions
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c index 2b4124bf7b..cd78c7962e 100644 --- a/source3/smbd/vfs.c +++ b/source3/smbd/vfs.c @@ -487,10 +487,12 @@ int vfs_allocate_file_space(files_struct *fsp, uint64_t len) * Actually try and commit the space on disk.... */ - DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n", fsp->fsp_name, (double)len )); + DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n", + fsp_str_dbg(fsp), (double)len)); if (((SMB_OFF_T)len) < 0) { - DEBUG(0,("vfs_allocate_file_space: %s negative len requested.\n", fsp->fsp_name )); + DEBUG(0,("vfs_allocate_file_space: %s negative len " + "requested.\n", fsp_str_dbg(fsp))); errno = EINVAL; return -1; } @@ -505,8 +507,9 @@ int vfs_allocate_file_space(files_struct *fsp, uint64_t len) if (len < (uint64_t)st.st_ex_size) { /* Shrink - use ftruncate. */ - DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current size %.0f\n", - fsp->fsp_name, (double)st.st_ex_size )); + DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current " + "size %.0f\n", fsp_str_dbg(fsp), + (double)st.st_ex_size)); contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK); @@ -530,13 +533,16 @@ int vfs_allocate_file_space(files_struct *fsp, uint64_t len) len -= st.st_ex_size; len /= 1024; /* Len is now number of 1k blocks needed. */ - space_avail = get_dfree_info(conn,fsp->fsp_name,False,&bsize,&dfree,&dsize); + space_avail = get_dfree_info(conn, fsp->fsp_name->base_name, false, + &bsize, &dfree, &dsize); if (space_avail == (uint64_t)-1) { return -1; } - DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, needed blocks = %.0f, space avail = %.0f\n", - fsp->fsp_name, (double)st.st_ex_size, (double)len, (double)space_avail )); + DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, " + "needed blocks = %.0f, space avail = %.0f\n", + fsp_str_dbg(fsp), (double)st.st_ex_size, (double)len, + (double)space_avail)); if (len > space_avail) { errno = ENOSPC; @@ -558,14 +564,15 @@ int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len) contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN); - DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n", fsp->fsp_name, (double)len)); + DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n", + fsp_str_dbg(fsp), (double)len)); flush_write_cache(fsp, SIZECHANGE_FLUSH); if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) { set_filelen_write_cache(fsp, len); notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED, FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_ATTRIBUTES, - fsp->fsp_name); + fsp->fsp_name->base_name); } contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN); @@ -600,8 +607,10 @@ int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len) return 0; } - DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to len %.0f (%.0f bytes)\n", - fsp->fsp_name, (double)st.st_ex_size, (double)len, (double)(len - st.st_ex_size))); + DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to " + "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp), + (double)st.st_ex_size, (double)len, + (double)(len - st.st_ex_size))); contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE); @@ -625,8 +634,9 @@ int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len) pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total); if (pwrite_ret == -1) { - DEBUG(10,("vfs_fill_sparse: SMB_VFS_PWRITE for file %s failed with error %s\n", - fsp->fsp_name, strerror(errno) )); + DEBUG(10,("vfs_fill_sparse: SMB_VFS_PWRITE for file " + "%s failed with error %s\n", + fsp_str_dbg(fsp), strerror(errno))); ret = -1; goto out; } @@ -962,15 +972,28 @@ NTSTATUS check_reduced_name(connection_struct *conn, const char *fname) #ifdef S_ISLNK if (!lp_symlinks(SNUM(conn))) { - SMB_STRUCT_STAT statbuf; - if ( (vfs_lstat_smb_fname(conn,fname,&statbuf) != -1) && - (S_ISLNK(statbuf.st_ex_mode)) ) { + struct smb_filename *smb_fname = NULL; + NTSTATUS status; + + status = create_synthetic_smb_fname(talloc_tos(), fname, NULL, + NULL, &smb_fname); + if (!NT_STATUS_IS_OK(status)) { + if (free_resolved_name) { + SAFE_FREE(resolved_name); + } + return status; + } + + if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) && + (S_ISLNK(smb_fname->st.st_ex_mode)) ) { if (free_resolved_name) { SAFE_FREE(resolved_name); } DEBUG(3,("reduce_name: denied: file path name %s is a symlink\n",resolved_name)); + TALLOC_FREE(smb_fname); return NT_STATUS_ACCESS_DENIED; } + TALLOC_FREE(smb_fname); } #endif @@ -980,3 +1003,58 @@ NTSTATUS check_reduced_name(connection_struct *conn, const char *fname) } return NT_STATUS_OK; } + +/** + * XXX: This is temporary and there should be no callers of this once + * smb_filename is plumbed through all path based operations. + */ +int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname, + SMB_STRUCT_STAT *psbuf) +{ + struct smb_filename *smb_fname = NULL; + NTSTATUS status; + int ret; + + status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL, + &smb_fname); + if (!NT_STATUS_IS_OK(status)) { + errno = map_errno_from_nt_status(status); + return -1; + } + + ret = SMB_VFS_STAT(conn, smb_fname); + if (ret != -1) { + *psbuf = smb_fname->st; + } + + TALLOC_FREE(smb_fname); + return ret; +} + +/** + * XXX: This is temporary and there should be no callers of this once + * smb_filename is plumbed through all path based operations. + */ +int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname, + SMB_STRUCT_STAT *psbuf) +{ + struct smb_filename *smb_fname = NULL; + NTSTATUS status; + int ret; + + status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL, + &smb_fname); + if (!NT_STATUS_IS_OK(status)) { + errno = map_errno_from_nt_status(status); + return -1; + } + + ret = SMB_VFS_LSTAT(conn, smb_fname); + if (ret != -1) { + *psbuf = smb_fname->st; + } + + TALLOC_FREE(smb_fname); + return ret; +} + |