Class: Rex::Proto::SMB::SimpleClient::OpenFile
- Inherits:
-
Object
- Object
- Rex::Proto::SMB::SimpleClient::OpenFile
- Defined in:
- lib/rex/proto/smb/simpleclient.rb
Direct Known Subclasses
Instance Attribute Summary collapse
-
#chunk_size ⇒ Object
Returns the value of attribute chunk_size.
-
#client ⇒ Object
Returns the value of attribute client.
-
#file_id ⇒ Object
Returns the value of attribute file_id.
-
#mode ⇒ Object
Returns the value of attribute mode.
-
#name ⇒ Object
Returns the value of attribute name.
-
#tree_id ⇒ Object
Returns the value of attribute tree_id.
Instance Method Summary collapse
- #<<(data) ⇒ Object
-
#close ⇒ Object
Close this open file.
- #delete ⇒ Object
-
#initialize(client, name, tree_id, file_id) ⇒ OpenFile
constructor
A new instance of OpenFile.
-
#read(length = nil, offset = 0) ⇒ Object
Read data from the file.
-
#write(data, offset = 0) ⇒ Object
Write data to the file.
Constructor Details
#initialize(client, name, tree_id, file_id) ⇒ OpenFile
Returns a new instance of OpenFile.
27 28 29 30 31 32 33 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 27 def initialize(client, name, tree_id, file_id) self.client = client self.name = name self.tree_id = tree_id self.file_id = file_id self.chunk_size = 48000 end |
Instance Attribute Details
#chunk_size ⇒ Object
Returns the value of attribute chunk_size.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def chunk_size @chunk_size end |
#client ⇒ Object
Returns the value of attribute client.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def client @client end |
#file_id ⇒ Object
Returns the value of attribute file_id.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def file_id @file_id end |
#mode ⇒ Object
Returns the value of attribute mode.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def mode @mode end |
#name ⇒ Object
Returns the value of attribute name.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def name @name end |
#tree_id ⇒ Object
Returns the value of attribute tree_id.
25 26 27 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 25 def tree_id @tree_id end |
Instance Method Details
#<<(data) ⇒ Object
89 90 91 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 89 def << (data) self.write(data) end |
#close ⇒ Object
Close this open file
44 45 46 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 44 def close self.client.close(self.file_id, self.tree_id) end |
#delete ⇒ Object
35 36 37 38 39 40 41 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 35 def delete begin self.close rescue end self.client.delete(self.name, self.tree_id) end |
#read(length = nil, offset = 0) ⇒ Object
Read data from the file
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 49 def read(length = nil, offset = 0) if (length == nil) data = '' fptr = offset ok = self.client.read(self.file_id, fptr, self.chunk_size) while (ok and ok['Payload'].v['DataLenLow'] > 0) buff = ok.to_s.slice( ok['Payload'].v['DataOffset'] + 4, ok['Payload'].v['DataLenLow'] ) data << buff if ok['Payload'].v['Remaining'] == 0 break end fptr += ok['Payload'].v['DataLenLow'] begin ok = self.client.read(self.file_id, fptr, self.chunk_size) rescue XCEPT::ErrorCode => e case e.error_code when 0x00050001 # Novell fires off an access denied error on EOF ok = nil else raise e end end end return data else ok = self.client.read(self.file_id, offset, length) data = ok.to_s.slice( ok['Payload'].v['DataOffset'] + 4, ok['Payload'].v['DataLenLow'] ) return data end end |
#write(data, offset = 0) ⇒ Object
Write data to the file
94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 |
# File 'lib/rex/proto/smb/simpleclient.rb', line 94 def write(data, offset = 0) # Track our offset into the remote file fptr = offset # Duplicate the data so we can use slice! data = data.dup # Take our first chunk of bytes chunk = data.slice!(0, self.chunk_size) # Keep writing data until we run out while (chunk.length > 0) ok = self.client.write(self.file_id, fptr, chunk) cl = ok['Payload'].v['CountLow'] # Partial write, push the failed data back into the queue if (cl != chunk.length) data = chunk.slice(cl - 1, chunk.length - cl) + data end # Increment our painter and grab the next chunk fptr += cl chunk = data.slice!(0, self.chunk_size) end end |