mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
atcuno
80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
# Volatility
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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@author: Andrew Case
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@license: GNU General Public License 2.0 or later
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@contact: atcuno@gmail.com
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@organization: Digital Forensics Solutions
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"""
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import os.path
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import volatility.debug as debug
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import volatility.plugins.linux.common as linux_common
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import volatility.plugins.linux.proc_maps as linux_proc_maps
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class linux_dump_map(linux_common.AbstractLinuxCommand):
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""" Writes selected memory mappings to disk """
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def __init__(self, config, *args):
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linux_common.AbstractLinuxCommand.__init__(self, config, *args)
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self._config.add_option('VMA', short_option = 's', default = None, help = 'Filter by VMA starting address', action = 'store', type = 'long')
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self._config.add_option('OUTPUTFILE', short_option = 'O', default = None, help = 'Output File', action = 'store', type = 'str')
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def read_addr_range(self, task, start, end):
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pagesize = 4096
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# set the as with our new dtb so we can read from userland
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proc_as = task.get_process_address_space()
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# xrange doesn't support longs :(
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while start < end:
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page = proc_as.read(start, pagesize)
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yield page
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start = start + pagesize
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def calculate(self):
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linux_common.set_plugin_members(self)
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vmas = linux_proc_maps.linux_proc_maps(self._config).calculate()
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for (task, vma) in vmas:
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if not self._config.VMA or vma.vm_start == self._config.VMA:
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for page in self.read_addr_range(task, vma.vm_start, vma.vm_end):
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if page:
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yield page
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def render_text(self, outfd, data):
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if not self._config.OUTPUTFILE:
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debug.error("Please specify an OUTPUTFILE")
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elif os.path.exists(self._config.OUTPUTFILE):
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debug.error("Cowardly refusing to overwrite an existing file")
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outfd.write("Writing to file: {0}\n".format(self._config.OUTPUTFILE))
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outfile = open(self._config.OUTPUTFILE, "wb+")
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size = 0
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for page in data:
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size += len(page)
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outfile.write(page)
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outfile.close()
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outfd.write("Wrote {0} bytes\n".format(size))
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