Mercurial > 510Connectbot
view src/ch/ethz/ssh2/SFTPv6FileAttributes.java @ 405:d3c5480e8441
fix broken fillRegenerationBuffer/fillScreenArray attempt to handle missing attributes; fix setfield outside screen boundaries
author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 24 Oct 2014 14:19:06 -0700 |
parents | 071eccdff8ea |
children |
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/* * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. * Please refer to the LICENSE.txt for licensing details. */ package ch.ethz.ssh2; import java.io.IOException; import ch.ethz.ssh2.packets.TypesReader; import ch.ethz.ssh2.packets.TypesWriter; import ch.ethz.ssh2.sftp.AttribFlags; import ch.ethz.ssh2.sftp.AttribTypes; /** * A <code>SFTPv3FileAttributes</code> object represents detail information * about a file on the server. Not all fields may/must be present. * * @author Christian Plattner, plattner@inf.ethz.ch * @version $Id: SFTPv6FileAttributes.java 133 2014-04-14 12:26:29Z dkocher@sudo.ch $ */ public class SFTPv6FileAttributes implements SFTPFileAttributes { /** * The type field is always present * * @see ch.ethz.ssh2.sftp.AttribTypes */ private Integer type = null; /** * The SIZE attribute. <code>NULL</code> if not present. */ public Long size = null; /** * The POSIX permissions. <code>NULL</code> if not present. * <p/> * Here is a list: * <p/> * <pre>Note: these numbers are all OCTAL. * <p/> * S_IFMT 0170000 bitmask for the file type bitfields * S_IFSOCK 0140000 socket * S_IFLNK 0120000 symbolic link * S_IFREG 0100000 regular file * S_IFBLK 0060000 block device * S_IFDIR 0040000 directory * S_IFCHR 0020000 character device * S_IFIFO 0010000 fifo * S_ISUID 0004000 set UID bit * S_ISGID 0002000 set GID bit * S_ISVTX 0001000 sticky bit * <p/> * S_IRWXU 00700 mask for file owner permissions * S_IRUSR 00400 owner has read permission * S_IWUSR 00200 owner has write permission * S_IXUSR 00100 owner has execute permission * S_IRWXG 00070 mask for group permissions * S_IRGRP 00040 group has read permission * S_IWGRP 00020 group has write permission * S_IXGRP 00010 group has execute permission * S_IRWXO 00007 mask for permissions for others (not in group) * S_IROTH 00004 others have read permission * S_IWOTH 00002 others have write permisson * S_IXOTH 00001 others have execute permission * </pre> */ public Integer permissions = null; /** * Creation time of the file. * <p/> * The createtime attribute. Represented as seconds from Jan 1, 1970 in UTC. * <code>NULL</code> if not present. */ public Long createtime = null; /** * Last access time of the file. * <p/> * The atime attribute. Represented as seconds from Jan 1, 1970 in UTC. * <code>NULL</code> if not present. */ public Long atime = null; /** * The mtime attribute. Represented as seconds from Jan 1, 1970 in UTC. * <code>NULL</code> if not present. */ public Long mtime = null; /** * Last time the file attributes were changed. The exact meaning of this field depends on the server. * <p/> * The ctime attribute. Represented as seconds from Jan 1, 1970 in UTC. * <code>NULL</code> if not present. */ public Long ctime = null; /** * The 'owner' and 'group' fields are represented as UTF-8 strings. user@localhost represents * a user in the context of the server. */ public String owner = null; /** * The 'owner' and 'group' fields are represented as UTF-8 strings */ public String group = null; /** * Checks if this entry is a directory. * * @return Returns true if permissions are available and they indicate * that this entry represents a directory. */ public boolean isDirectory() { return (type & AttribTypes.SSH_FILEXFER_TYPE_DIRECTORY) == AttribTypes.SSH_FILEXFER_TYPE_DIRECTORY; } /** * Checks if this entry is a regular file. * * @return Returns true if permissions are available and they indicate * that this entry represents a regular file. */ public boolean isRegularFile() { return (type & AttribTypes.SSH_FILEXFER_TYPE_REGULAR) == AttribTypes.SSH_FILEXFER_TYPE_REGULAR; } /** * Checks if this entry is a a symlink. * * @return Returns true if permissions are available and they indicate * that this entry represents a symlink. */ public boolean isSymlink() { return (type & AttribTypes.SSH_FILEXFER_TYPE_SYMLINK) == AttribTypes.SSH_FILEXFER_TYPE_SYMLINK; } public SFTPv6FileAttributes() { // } /** * uint32 valid-attribute-flags * byte type always present * uint64 size if flag SIZE * uint64 allocation-size if flag ALLOCATION_SIZE * string owner if flag OWNERGROUP * string group if flag OWNERGROUP * uint32 permissions if flag PERMISSIONS * int64 atime if flag ACCESSTIME * uint32 atime-nseconds if flag SUBSECOND_TIMES * int64 createtime if flag CREATETIME * uint32 createtime-nseconds if flag SUBSECOND_TIMES * int64 mtime if flag MODIFYTIME * uint32 mtime-nseconds if flag SUBSECOND_TIMES * int64 ctime if flag CTIME * uint32 ctime-nseconds if flag SUBSECOND_TIMES * string acl if flag ACL * uint32 attrib-bits if flag BITS * uint32 attrib-bits-valid if flag BITS * byte text-hint if flag TEXT_HINT * string mime-type if flag MIME_TYPE * uint32 link-count if flag LINK_COUNT * string untranslated-name if flag UNTRANSLATED_NAME * uint32 extended-count if flag EXTENDED * extension-pair extensions */ public SFTPv6FileAttributes(final TypesReader tr) throws IOException { int flags = tr.readUINT32(); // The type field is always present this.type = tr.readByte(); if ((flags & AttribFlags.SSH_FILEXFER_ATTR_SIZE) != 0) { this.size = tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_ALLOCATION_SIZE) != 0) { // Ignore tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) { this.owner = tr.readString(); this.group = tr.readString(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) { this.permissions = tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) { this.atime = tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) { // Ignore tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_CREATETIME) != 0) { this.createtime = tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) { // Ignore tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) { this.mtime = tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) { // Ignore tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_CTIME) != 0) { this.ctime = tr.readUINT64(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) { // Ignore tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_ACL) != 0) { // Ignore tr.readString(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_BITS) != 0) { // Ignore attrib-bits tr.readUINT32(); // Ignore attrib-bits-valid tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_TEXT_HINT) != 0) { // Ignore tr.readByte(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_MIME_TYPE) != 0) { // Ignore tr.readString(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_LINK_COUNT) != 0) { // Ignore tr.readUINT32(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_UNTRANSLATED_NAME) != 0) { // Ignore tr.readString(); } if ((flags & AttribFlags.SSH_FILEXFER_ATTR_EXTENDED) != 0) { int count = tr.readUINT32(); // Read it anyway to detect corrupt packets while (count > 0) { // extension-name tr.readByteString(); // extension-data tr.readByteString(); count--; } } } /** * The same encoding is used both when returning file * attributes from the server and when sending file attributes to the * server. * * @return Encoded attributes */ public byte[] toBytes() { TypesWriter tw = new TypesWriter(); // The 'valid-attribute-flags' specifies which of the fields are present. Those fields // for which the corresponding flag is not set are not present int attrFlags = 0; if (this.size != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_SIZE; } if ((this.owner != null) && (this.group != null)) { // If either the owner or group field is zero length, the field should // be considered absent, and no change should be made to that specific // field during a modification operation. attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_OWNERGROUP; } if (this.permissions != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_PERMISSIONS; } if (this.atime != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_ACCESSTIME; } if (this.createtime != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_CREATETIME; } if (this.mtime != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_MODIFYTIME; } if (this.ctime != null) { attrFlags = attrFlags | AttribFlags.SSH_FILEXFER_ATTR_CTIME; } tw.writeUINT32(attrFlags); // The type field is always present. if (this.size != null) { tw.writeUINT64(this.size); } if ((this.owner != null) && (this.group != null)) { tw.writeString(owner); tw.writeString(group); } if (this.permissions != null) { tw.writeUINT32(this.permissions); } if (this.atime != null) { tw.writeUINT64(this.atime); } if (this.createtime != null) { tw.writeUINT64(this.createtime); } if (this.mtime != null) { tw.writeUINT64(this.mtime); } if (this.ctime != null) { tw.writeUINT64(this.ctime); } return tw.getBytes(); } @Override public String toString() { final StringBuilder sb = new StringBuilder("SFTPv6FileAttributes{"); sb.append("type=").append(type); sb.append(", size=").append(size); sb.append(", permissions=").append(permissions); sb.append(", createtime=").append(createtime); sb.append(", atime=").append(atime); sb.append(", mtime=").append(mtime); sb.append(", ctime=").append(ctime); sb.append(", owner='").append(owner).append('\''); sb.append(", group='").append(group).append('\''); sb.append('}'); return sb.toString(); } }