# Copyright (c) 2016 Philipp Emanuel Weidmann <*****@*****.**>
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from os.path import dirname, basename
from maybe import T, register_filter, full_path
def filter_move(path_old, path_new):
if dirname(path_old) == dirname(path_new):
label = "rename"
path_new = basename(path_new)
else:
label = "move"
return "%s %s to %s" % (T.green(label), T.underline(path_old), T.underline(path_new)), 0
filter_scope = "move"
register_filter(filter_scope, "rename", lambda pid, args:
filter_move(full_path(pid, args[0]), full_path(pid, args[1])))
register_filter(filter_scope, "renameat", lambda pid, args:
filter_move(full_path(pid, args[1], args[0]), full_path(pid, args[3], args[2])))
register_filter(filter_scope, "renameat2", lambda pid, args:
filter_move(full_path(pid, args[1], args[0]), full_path(pid, args[3], args[2])))
# maybe - see what a program does before deciding whether you really want it to happen
#
# Copyright (c) 2016 Philipp Emanuel Weidmann <*****@*****.**>
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, full_path
def filter_delete(path):
return "%s %s" % (T.red("delete"), T.underline(path)), 0
filter_scope = "delete"
register_filter(filter_scope, "unlink", lambda pid, args: filter_delete(full_path(pid, args[0])))
register_filter(filter_scope, "unlinkat", lambda pid, args: filter_delete(full_path(pid, args[1], args[0])))
register_filter(filter_scope, "rmdir", lambda pid, args: filter_delete(full_path(pid, args[0])))
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, descriptor_path, full_path
def format_permissions(permissions):
result = ""
for i in range(2, -1, -1):
result += "r" if permissions & (4 * 8**i) else "-"
result += "w" if permissions & (2 * 8**i) else "-"
result += "x" if permissions & (1 * 8**i) else "-"
return result
def filter_change_permissions(path, permissions):
return "%s of %s to %s" % (T.yellow("change permissions"), T.underline(path),
T.bold(format_permissions(permissions))), 0
filter_scope = "change_permissions"
register_filter(filter_scope, "chmod", lambda pid, args:
filter_change_permissions(full_path(pid, args[0]), args[1]))
register_filter(filter_scope, "fchmod", lambda pid, args:
filter_change_permissions(descriptor_path(pid, args[0]), args[1]))
register_filter(filter_scope, "fchmodat", lambda pid, args:
filter_change_permissions(full_path(pid, args[1], args[0]), args[2]))
# maybe - see what a program does before deciding whether you really want it to happen
#
# Copyright (c) 2016 Philipp Emanuel Weidmann <*****@*****.**>
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, full_path
def filter_create_link(path_source, path_target, symbolic):
label = "create symbolic link" if symbolic else "create hard link"
return "%s from %s to %s" % (T.cyan(label), T.underline(path_source), T.underline(path_target)), 0
filter_scope = "create_link"
register_filter(filter_scope, "link", lambda pid, args:
filter_create_link(full_path(pid, args[1]), full_path(pid, args[0]), False))
register_filter(filter_scope, "linkat", lambda pid, args:
filter_create_link(full_path(pid, args[3], args[2]), full_path(pid, args[1], args[0]), False))
register_filter(filter_scope, "symlink", lambda pid, args:
filter_create_link(full_path(pid, args[1]), full_path(pid, args[0]), True))
register_filter(filter_scope, "symlinkat", lambda pid, args:
filter_create_link(full_path(pid, args[2], args[1]), full_path(pid, args[0]), True))
def filter_change_owner(path, owner, group):
if owner == -1:
label = "change group"
owner = getgrgid(group)[0]
elif group == -1:
label = "change owner"
owner = getpwuid(owner)[0]
else:
label = "change owner"
owner = getpwuid(owner)[0] + ":" + getgrgid(group)[0]
return "%s of %s to %s" % (T.yellow(label), T.underline(path),
T.bold(owner)), 0
filter_scope = "change_owner"
register_filter(
filter_scope, "chown", lambda pid, args: filter_change_owner(
full_path(pid, args[0]), args[1], args[2]))
register_filter(
filter_scope, "fchown", lambda pid, args: filter_change_owner(
descriptor_path(pid, args[0]), args[1], args[2]))
register_filter(
filter_scope, "lchown", lambda pid, args: filter_change_owner(
full_path(pid, args[0]), args[1], args[2]))
register_filter(
filter_scope, "fchownat", lambda pid, args: filter_change_owner(
full_path(pid, args[1], args[0]), args[2], args[3]))
# maybe - see what a program does before deciding whether you really want it to happen
#
# Copyright (c) 2016 Philipp Emanuel Weidmann <*****@*****.**>
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, full_path
def filter_create_directory(path):
return "%s %s" % (T.cyan("create directory"), T.underline(path)), 0
filter_scope = "create_directory"
register_filter(filter_scope, "mkdir", lambda pid, args: filter_create_directory(full_path(pid, args[0])))
register_filter(filter_scope, "mkdirat", lambda pid, args: filter_create_directory(full_path(pid, args[1], args[0])))
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, full_path
def filter_create_link(path_source, path_target, symbolic):
label = "create symbolic link" if symbolic else "create hard link"
return "%s from %s to %s" % (T.cyan(label), T.underline(path_source),
T.underline(path_target)), 0
filter_scope = "create_link"
register_filter(
filter_scope, "link", lambda pid, args: filter_create_link(
full_path(pid, args[1]), full_path(pid, args[0]), False))
register_filter(
filter_scope, "linkat",
lambda pid, args: filter_create_link(full_path(pid, args[3], args[
2]), full_path(pid, args[1], args[0]), False))
register_filter(
filter_scope, "symlink", lambda pid, args: filter_create_link(
full_path(pid, args[1]), full_path(pid, args[0]), True))
register_filter(
filter_scope, "symlinkat", lambda pid, args: filter_create_link(
full_path(pid, args[2], args[1]), full_path(pid, args[0]), True))
# maybe - see what a program does before deciding whether you really want it to happen
#
# Copyright (c) 2016 Philipp Emanuel Weidmann <*****@*****.**>
#
# Nemo vir est qui mundum non reddat meliorem.
#
# Released under the terms of the GNU General Public License, version 3
# (https://gnu.org/licenses/gpl.html)
from maybe import T, register_filter, full_path
def filter_create_directory(path):
return "%s %s" % (T.cyan("create directory"), T.underline(path)), 0
filter_scope = "create_directory"
register_filter(
filter_scope, "mkdir",
lambda pid, args: filter_create_directory(full_path(pid, args[0])))
register_filter(
filter_scope, "mkdirat", lambda pid, args: filter_create_directory(
full_path(pid, args[1], args[0])))
from pwd import getpwuid
from grp import getgrgid
from maybe import T, register_filter, descriptor_path, full_path
def filter_change_owner(path, owner, group):
if owner == -1:
label = "change group"
owner = getgrgid(group)[0]
elif group == -1:
label = "change owner"
owner = getpwuid(owner)[0]
else:
label = "change owner"
owner = getpwuid(owner)[0] + ":" + getgrgid(group)[0]
return "%s of %s to %s" % (T.yellow(label), T.underline(path), T.bold(owner)), 0
filter_scope = "change_owner"
register_filter(filter_scope, "chown", lambda pid, args:
filter_change_owner(full_path(pid, args[0]), args[1], args[2]))
register_filter(filter_scope, "fchown", lambda pid, args:
filter_change_owner(descriptor_path(pid, args[0]), args[1], args[2]))
register_filter(filter_scope, "lchown", lambda pid, args:
filter_change_owner(full_path(pid, args[0]), args[1], args[2]))
register_filter(filter_scope, "fchownat", lambda pid, args:
filter_change_owner(full_path(pid, args[1], args[0]), args[2], args[3]))
path = descriptor_path(pid, file_descriptor)
return "%s %s to %s" % (T.red("write"), T.bold("%d bytes" % byte_count), T.underline(path)), byte_count
else:
return None, None
def filter_dup(pid, file_descriptor_old, file_descriptor_new=None):
if is_tracked_descriptor(pid, file_descriptor_old):
# Copy tracked file descriptor
return None, register_path(pid, descriptor_path(pid, file_descriptor_old), file_descriptor_new)
else:
return None, None
filter_scope = "create_write_file"
register_filter(filter_scope, "open", lambda pid, args: filter_open(pid, full_path(pid, args[0]), args[1]))
register_filter(filter_scope, "creat", lambda pid, args:
filter_open(pid, full_path(pid, args[0]), O_CREAT | O_WRONLY | O_TRUNC))
register_filter(filter_scope, "openat", lambda pid, args: filter_open(pid, full_path(pid, args[1], args[0]), args[2]))
register_filter(filter_scope, "mknod", lambda pid, args: filter_mknod(full_path(pid, args[0]), args[1]))
register_filter(filter_scope, "mknodat", lambda pid, args: filter_mknod(full_path(pid, args[1], args[0]), args[2]))
register_filter(filter_scope, "write", lambda pid, args: filter_write(pid, args[0], args[2]))
register_filter(filter_scope, "pwrite", lambda pid, args: filter_write(pid, args[0], args[2]))
# TODO: Actual byte count is iovcnt * iov.iov_len
register_filter(filter_scope, "writev", lambda pid, args: filter_write(pid, args[0], args[2]))
register_filter(filter_scope, "pwritev", lambda pid, args: filter_write(pid, args[0], args[2]))
register_filter(filter_scope, "dup", lambda pid, args: filter_dup(pid, args[0]))
register_filter(filter_scope, "dup2", lambda pid, args: filter_dup(pid, args[0], args[1]))
register_filter(filter_scope, "dup3", lambda pid, args: filter_dup(pid, args[0], args[1]))