mirror of
https://github.com/volatilityfoundation/volatility
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iMHLv2
71 lines
2.6 KiB
Python
71 lines
2.6 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: Joe Sylve
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@license: GNU General Public License 2.0 or later
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@contact: joe.sylve@gmail.com
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@organization: 504ENSICS Labs
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"""
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import volatility.obj as obj
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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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class linux_check_tty(linux_common.AbstractLinuxCommand):
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"""Checks tty devices for hooks"""
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def calculate(self):
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linux_common.set_plugin_members(self)
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tty_addr = self.addr_space.profile.get_symbol("tty_drivers")
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if not tty_addr:
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debug.error("Symbol tty_drivers not found in kernel")
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drivers = obj.Object("list_head", offset = tty_addr, vm = self.addr_space)
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for tty in drivers.list_of_type("tty_driver", "tty_drivers"):
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name = tty.name.dereference_as("String", length = linux_common.MAX_STRING_LENGTH)
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ttys = obj.Object("Array", targetType = "Pointer", vm = self.addr_space, offset = tty.ttys, count = tty.num)
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for tty_dev in ttys:
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if tty_dev == 0:
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continue
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tty_dev = tty_dev.dereference_as("tty_struct")
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name = tty_dev.name
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recv_buf = tty_dev.ldisc.ops.receive_buf
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yield (name, recv_buf)
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def render_text(self, outfd, data):
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symbol_cache = {}
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self.table_header(outfd, [("Name", "<16"), ("Address", "[addrpad]"), ("Symbol", "<30")])
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for name, call_addr in data:
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if symbol_cache.has_key(call_addr):
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sym_name = symbol_cache[call_addr]
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else:
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sym_name = self.profile.get_symbol_by_address("kernel", call_addr)
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if not sym_name:
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sym_name = "HOOKED"
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symbol_cache[call_addr] = sym_name
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self.table_row(outfd, name, call_addr, sym_name)
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