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Merge r18534:r18591 from nmap-exp/djalal/nse-nfs/
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djalal
119
nselib/rpc.lua
119
nselib/rpc.lua
@@ -1795,7 +1795,7 @@ NFS = {
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FsStat = function(self, comm, file_handle)
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local status, packet
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local pos, data = 1, ""
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local reponse = {}
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local header, response = {}, {}
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if (comm.version < 3) then
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return false, string.format("NFS version: %d does not support FSSTAT",
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@@ -1867,7 +1867,7 @@ NFS = {
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pos, fsinfo.rtmax, fsinfo.rtpref, fsinfo.rtmult,
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fsinfo.wtmax, fsinfo.wtpref, fsinfo.wtmult,
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fsinfo.dtpref = Util.unmarshall_uint32(data, pos, 7)
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pos, fsinfo.maxfilesize = Util.unmarshall_size3(data, pos)
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pos, fsinfo.maxfilesize = Util.unmarshall_nfssize3(data, pos)
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pos, fsinfo.time_delta = Util.unmarshall_nfstime(data, pos)
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pos, fsinfo.properties = Util.unmarshall_uint32(data, pos)
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@@ -1877,7 +1877,7 @@ NFS = {
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FsInfo = function(self, comm, file_handle)
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local status, packet
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local pos, data = 1, ""
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local reponse = {}
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local header, response = {}
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if (comm.version < 3) then
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return false, string.format("NFS version: %d does not support FSINFO",
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@@ -1913,7 +1913,7 @@ NFS = {
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return true, response
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end,
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PathConfDecode = function(self, comm, file_handle)
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PathConfDecode = function(self, comm, data, pos)
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local pconf, status, value_follows = {}
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status, data = comm:GetAdditionalBytes(data, pos, 4)
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@@ -1956,7 +1956,7 @@ NFS = {
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PathConf = function(self, comm, file_handle)
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local status, packet
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local pos, data = 1, ""
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local reponse = {}
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local header, response = {}
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if (comm.version < 3) then
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return false, string.format("NFS version: %d does not support PATHCONF",
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@@ -3071,12 +3071,12 @@ Util =
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-- readable format
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SizeToHuman = function(size, blocksize)
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local bs, idx = 1024, 1
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local unit = { "B", "K", "M", "G" }
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local unit = { "B", "K", "M", "G" , "T"}
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if blocksize and blocksize == 1000 then
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bs = blocksize
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end
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for i=1, #unit do
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if (size > bs) then
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if (size > bs and idx < #unit) then
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size = size / bs
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idx = idx + 1
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end
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@@ -3126,6 +3126,111 @@ Util =
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return ret
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end,
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--- Return the pathconf filesystem table
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--
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-- @param pconf table returned by the NFSv3 PATHCONF call
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-- @param nfsversion the version of the remote NFS server
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-- @return fs table that contains the remote filesystem
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-- pathconf information.
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calc_pathconf_table = function(pconf, nfsversion)
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local fs = {}
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if nfsversion ~= 3 then
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return nil, "ERROR: unsupported NFS version."
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end
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fs.linkmax = pconf.linkmax
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fs.name_max = pconf.name_max
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if pconf.chown_restricted then
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fs.chown_restricted = "True"
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else
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fs.chown_restricted = "False"
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end
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return fs, nil
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end,
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--- Calculate and return the fsinfo filesystem table
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--
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-- @param fsinfo table returned by the NFSv3 FSINFO call
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-- @param nfsversion the version of the remote NFS server
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-- @param human if set show the size in the human
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-- readable format.
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-- @return fs table that contains the remote filesystem
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-- information.
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calc_fsinfo_table = function(fsinfo, nfsversion, human)
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local fs = {}
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local nfsobj = NFS:new()
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if nfsversion ~= 3 then
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return nil, "ERROR: unsupported NFS version."
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end
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fs.maxfilesize = Util.SizeToHuman(fsinfo.maxfilesize)
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if nfsobj:FSinfoLink(fsinfo.properties, nfsversion) ~= 0 then
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fs.link = "True"
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else
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fs.link = "False"
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end
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if nfsobj:FSinfoSymlink(fsinfo.properties, nfsversion) ~= 0 then
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fs.symlink = "True"
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else
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fs.symlink = "False"
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end
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return fs, nil
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end,
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--- Calculate and return the fsstat filesystem table
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--
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-- @param stats table returned by the NFSv3 FSSTAT or
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-- NFSv2 STATFS calls
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-- @param nfsversion the version of the remote NFS server
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-- @param human if set show the size in the human
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-- readable format.
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-- @return df table that contains the remote filesystem
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-- attributes.
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calc_fsstat_table = function(stats, nfsversion, human)
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local df, base = {}, 1024
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local size, free, total, avail, used, use
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if (nfsversion == 3) then
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free = stats.fbytes
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size = stats.tbytes
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avail = stats.abytes
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elseif (nfsversion == 2) then
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df.bsize = stats.block_size
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free = stats.free_blocks * df.bsize
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size = stats.total_blocks * df.bsize
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avail = stats.available_blocks * df.bsize
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else
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return nil, "ERROR: unsupported NFS version."
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end
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if (human) then
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if (df.bsize) then
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df.bsize = Util.SizeToHuman(df.bsize)
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end
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df.size = Util.SizeToHuman(size)
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df.available = Util.SizeToHuman(avail)
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used = size - free
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avail = avail
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df.used = Util.SizeToHuman(used)
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total = used + avail
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else
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free = free / base
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df.size = size / base
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df.available = avail / base
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used = df.size - free
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df.used = used
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total = df.used + df.available
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end
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use = math.ceil(used * 100 / total)
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df.use = string.format("%.0f%%", use)
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return df, nil
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end,
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--- Converts a RPC program name to it's equivalent number
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--
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-- @param prog_name string containing the name of the RPC program
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