mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
atcuno
115 lines
3.7 KiB
Python
115 lines
3.7 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 volatility.obj as obj
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import volatility.plugins.linux.flags as linux_flags
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import volatility.plugins.linux.common as linux_common
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import volatility.plugins.linux.pslist as linux_pslist
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class linux_proc_maps(linux_pslist.linux_pslist):
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"""Gathers process maps for linux"""
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MINORBITS = 20
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MINORMASK = ((1 << MINORBITS) - 1)
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def mask_number(self, number):
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if self.profile.get_obj_size("address") == 4:
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mask = 0xffffffff
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else:
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mask = 0xffffffffffffffff
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return number & mask
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def calculate(self):
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linux_common.set_plugin_members(self)
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tasks = linux_pslist.linux_pslist.calculate(self)
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for task in tasks:
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if task.mm:
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for vma in linux_common.walk_internal_list("vm_area_struct", "vm_next", task.mm.mmap):
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yield task, vma
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Start", "[addrpad]"),
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("End", "[addrpad]"),
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("Flags", "6"),
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("Pgoff", "6"),
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("Major", "6"),
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("Minor", "6"),
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("Inode", "10"),
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("File Path", "80"),
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])
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for task, vma in data:
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mm = task.mm
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if vma.vm_file:
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inode = vma.vm_file.dentry.d_inode
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sb = obj.Object("super_block", offset = inode.i_sb, vm = self.addr_space)
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dev = sb.s_dev
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ino = inode.i_ino
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pgoff = vma.vm_pgoff << 12
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fname = linux_common.get_path(task, vma.vm_file)
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else:
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(dev, ino, pgoff) = [0] * 3
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if vma.vm_start <= mm.start_brk and vma.vm_end >= mm.brk:
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fname = "[heap]"
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elif vma.vm_start <= mm.start_stack and vma.vm_end >= mm.start_stack:
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fname = "[stack]"
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else:
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fname = ""
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self.table_row(outfd,
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self.mask_number(vma.vm_start),
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self.mask_number(vma.vm_end),
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self.format_perms(vma.vm_flags),
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pgoff,
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self.MAJOR(dev),
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self.MINOR(dev),
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ino,
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fname)
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def format_perms(self, vma_flags):
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ret = ""
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check = [linux_flags.VM_READ, linux_flags.VM_WRITE, linux_flags.VM_EXEC]
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perms = "rwx"
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for idx in range(len(check)):
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if vma_flags & check[idx]:
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ret = ret + perms[idx]
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else:
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ret = ret + "-"
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return ret
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def MAJOR(self, num):
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return num >> self.MINORBITS
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def MINOR(self, num):
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return num & self.MINORMASK
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