Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
---
secdesc-ui.py | 437 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 437 insertions(+)
create mode 100755 secdesc-ui.py
diff --git a/secdesc-ui.py b/secdesc-ui.py
new file mode 100755
index 0000000..26db582
--- /dev/null
+++ b/secdesc-ui.py
@@ -0,0 +1,437 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+import array
+import enum
+import fcntl
+import os
+import struct
+import stat
+import sys
+from Tkinter import *
+
+FULL_CONTROL = 0x001f01ff
+EWRITE = 0x00000116
+ALL_READ_BITS = 0x00020089
+EREAD = 0x001200a9
+CHANGE = 0x001301bf
+
+TRAV_EXEC = 0x00100020
+LIST_READ = 0x00100001
+READ_ATTR = 0x00100080
+READ_XATT = 0x00100008
+CREA_WRIT = 0x00100002
+CREA_APPE = 0x00100004
+WRIT_ATTR = 0x00100100
+WRIT_XATT = 0x00100010
+DELE = 0x00110000
+READ_PERM = 0x00120000
+CHAN_PERM = 0x00140000
+TAKE_OWNR = 0x00180000
+
+class App:
+ def __init__(self, root, sd, is_dir):
+ self.sd = sd
+ self.is_dir = is_dir
+ self.tf = Frame(bd=1)
+ self.tf.grid(columnspan=5, rowspan=5, padx=5, pady=5)
+
+ # Owner
+ Label(self.tf, text='Owner: %s' % (self.sd.owner)).grid(row=0, column=0, columnspan=6, sticky='W')
+
+ # Group
+ Label(self.tf, text='Group: %s' % (self.sd.group)).grid(row=1, column=0, columnspan=6, sticky='W')
+
+ self.sb = Scrollbar(self.tf, orient=VERTICAL)
+ self.lb = Listbox(self.tf, height=5, selectmode=SINGLE,
+ yscrollcommand=self.sb.set)
+ self.sb.config(command=self.lb.yview)
+ self.sb.grid(row=2, column=1, sticky='NS')
+ self.lb.grid(row=2, column=0, sticky='W')
+
+ max = 0
+ for idx, item in enumerate(self.sd.dacl.ace):
+ if item.type != 0 and item.type != 1:
+ continue
+ sid = '%s %s' % ("ALLOW" if item.type == 0 else "DENY", item.sid)
+ if max > len(sid):
+ max = len(sid)
+ self.lb.insert(idx, sid)
+ if not self.lb.curselection():
+ self.lb.selection_set(idx)
+ self.lb.config(width=max)
+ self.lb.bind("<Double-Button-1>", self.select_sid)
+
+ self.bas = Button(self.tf, text='Basic', relief=SUNKEN,
+ command=self.click_bas)
+ self.bas.grid(row=2, column=2, sticky='NW')
+
+ self.adv = Button(self.tf, text='Advanced',
+ command=self.click_adv)
+ self.adv.grid(row=2, column=3, sticky='NW')
+
+ # Basic Panel
+ self.bf_bas = Frame(master=self.tf, bd=1)
+ self.bf_bas.grid(row=3, column=0, columnspan=4, padx=5, pady=5)
+ self.bf_bas_name = Label(self.bf_bas, text='')
+ self.bf_bas_name.grid(row=0, column=0, columnspan=2, sticky='W')
+
+ row = 1
+ self.bf_bas_fc=Checkbutton(self.bf_bas, text='Full Control')
+ self.bf_bas_fc.grid(row=row, column=0, sticky='W')
+ self.bf_bas_fc.config(state=DISABLED)
+ row += 1
+
+ self.bf_bas_mo=Checkbutton(self.bf_bas, text='Modify')
+ self.bf_bas_mo.grid(row=row, column=0, sticky='W')
+ self.bf_bas_mo.config(state=DISABLED)
+ row += 1
+
+ self.bf_bas_re=Checkbutton(self.bf_bas, text='Read & Execute')
+ self.bf_bas_re.grid(row=row, column=0, sticky='W')
+ self.bf_bas_re.config(state=DISABLED)
+ row += 1
+
+ self.bf_bas_rd=Checkbutton(self.bf_bas, text='Read')
+ self.bf_bas_rd.grid(row=row, column=0, sticky='W')
+ self.bf_bas_rd.config(state=DISABLED)
+ row += 1
+
+ self.bf_bas_wr=Checkbutton(self.bf_bas, text='Write')
+ self.bf_bas_wr.grid(row=row, column=0, sticky='W')
+ self.bf_bas_wr.config(state=DISABLED)
+ row += 1
+
+ self.bf_bas_sp=Checkbutton(self.bf_bas, text='Special')
+ self.bf_bas_sp.grid(row=row, column=0, sticky='W')
+ self.bf_bas_sp.config(state=DISABLED)
+ row += 1
+
+ self.show_bas = True
+ self.update_bf_bas()
+
+ # Advanced Panel
+ self.bf_adv = Frame(master=self.tf, bd=1)
+ self.bf_adv.grid(row=3, column=0, columnspan=4, padx=5, pady=5)
+ self.bf_adv_name = Label(self.bf_adv, text='')
+ self.bf_adv_name.grid(row=0, column=0, columnspan=2, sticky='W')
+
+ row = 1
+ self.bf_adv_fc=Checkbutton(self.bf_adv, text='Full Control')
+ self.bf_adv_fc.grid(row=row, column=0, sticky='W')
+ self.bf_adv_fc.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_te=Checkbutton(self.bf_adv, text='Traverse-folder/execute-file')
+ self.bf_adv_te.grid(row=row, column=0, sticky='W')
+ self.bf_adv_te.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_lr=Checkbutton(self.bf_adv, text='List-folder/read-data')
+ self.bf_adv_lr.grid(row=row, column=0, sticky='W')
+ self.bf_adv_lr.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_ra=Checkbutton(self.bf_adv, text='Read-Attributes')
+ self.bf_adv_ra.grid(row=row, column=0, sticky='W')
+ self.bf_adv_ra.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_re=Checkbutton(self.bf_adv, text='Read-Extended-Attributes')
+ self.bf_adv_re.grid(row=row, column=0, sticky='W')
+ self.bf_adv_re.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_cw=Checkbutton(self.bf_adv, text='Create-files/write-data')
+ self.bf_adv_cw.grid(row=row, column=0, sticky='W')
+ self.bf_adv_cw.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_ca=Checkbutton(self.bf_adv, text='Create-folders/append-data')
+ self.bf_adv_ca.grid(row=row, column=0, sticky='W')
+ self.bf_adv_ca.config(state=DISABLED)
+ row += 1
+
+ row = 1
+ self.bf_adv_wa=Checkbutton(self.bf_adv, text='Write-Attributes')
+ self.bf_adv_wa.grid(row=row, column=1, sticky='W')
+ self.bf_adv_wa.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_we=Checkbutton(self.bf_adv, text='Write-Extended-Attributes')
+ self.bf_adv_we.grid(row=row, column=1, sticky='W')
+ self.bf_adv_we.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_de=Checkbutton(self.bf_adv, text='Delete')
+ self.bf_adv_de.grid(row=row, column=1, sticky='W')
+ self.bf_adv_de.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_rp=Checkbutton(self.bf_adv, text='Read-Permissions')
+ self.bf_adv_rp.grid(row=row, column=1, sticky='W')
+ self.bf_adv_rp.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_cp=Checkbutton(self.bf_adv, text='Change-Permissions')
+ self.bf_adv_cp.grid(row=row, column=1, sticky='W')
+ self.bf_adv_cp.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv_to=Checkbutton(self.bf_adv, text='Take-Ownership')
+ self.bf_adv_to.grid(row=row, column=1, sticky='W')
+ self.bf_adv_to.config(state=DISABLED)
+ row += 1
+
+ self.bf_adv.grid_remove()
+
+ def select_sid(self, event):
+ self.click_bas()
+
+ def click_bas(self):
+ self.adv.config(relief=RAISED)
+ self.bas.config(relief=SUNKEN)
+ self.bf_adv.grid_remove()
+ self.update_bf_bas()
+ self.bf_bas.grid()
+ self.show_bas = True
+
+ def click_adv(self):
+ self.adv.config(relief=SUNKEN)
+ self.bas.config(relief=RAISED)
+ self.bf_bas.grid_remove()
+ self.update_bf_adv()
+ self.bf_adv.grid()
+ self.show_bas = False
+
+ def update_bf_adv(self):
+ ace = self.sd.dacl.ace[self.lb.curselection()[0]]
+ self.bf_adv_name.config(text='Advanced Permissions for %s' % (ace.sid))
+ if ace.mask == FULL_CONTROL:
+ self.bf_adv_fc.select()
+ else:
+ self.bf_adv_fc.deselect()
+ if ace.mask & TRAV_EXEC == TRAV_EXEC:
+ self.bf_adv_te.select()
+ else:
+ self.bf_adv_te.deselect()
+ if ace.mask & LIST_READ == LIST_READ:
+ self.bf_adv_lr.select()
+ else:
+ self.bf_adv_lr.deselect()
+ if ace.mask & READ_ATTR == READ_ATTR:
+ self.bf_adv_ra.select()
+ else:
+ self.bf_adv_ra.deselect()
+ if ace.mask & READ_XATT == READ_XATT:
+ self.bf_adv_re.select()
+ else:
+ self.bf_adv_re.deselect()
+ if ace.mask & CREA_WRIT == CREA_WRIT:
+ self.bf_adv_cw.select()
+ else:
+ self.bf_adv_cw.deselect()
+ if ace.mask & CREA_APPE == CREA_APPE:
+ self.bf_adv_ca.select()
+ else:
+ self.bf_adv_ca.deselect()
+ if ace.mask & WRIT_ATTR == WRIT_ATTR:
+ self.bf_adv_wa.select()
+ else:
+ self.bf_adv_wa.deselect()
+ if ace.mask & WRIT_XATT == WRIT_XATT:
+ self.bf_adv_we.select()
+ else:
+ self.bf_adv_we.deselect()
+ if ace.mask & DELE == DELE:
+ self.bf_adv_de.select()
+ else:
+ self.bf_adv_de.deselect()
+ if ace.mask & READ_PERM == READ_PERM:
+ self.bf_adv_rp.select()
+ else:
+ self.bf_adv_rp.deselect()
+ if ace.mask & CHAN_PERM == CHAN_PERM:
+ self.bf_adv_rp.select()
+ else:
+ self.bf_adv_rp.deselect()
+ if ace.mask & TAKE_OWNR == TAKE_OWNR:
+ self.bf_adv_to.select()
+ else:
+ self.bf_adv_to.deselect()
+
+ def update_bf_bas(self):
+ ace = self.sd.dacl.ace[self.lb.curselection()[0]]
+ self.bf_bas_name.config(text='Permissions for %s' % (ace.sid))
+ tmp = ace.mask
+ if ace.mask == FULL_CONTROL:
+ self.bf_bas_fc.select()
+ tmp &= ~FULL_CONTROL
+ else:
+ self.bf_bas_fc.deselect()
+ if ace.mask & CHANGE == CHANGE:
+ self.bf_bas_mo.select()
+ tmp &= ~CHANGE
+ else:
+ self.bf_bas_mo.deselect()
+ if ace.mask & EREAD == EREAD:
+ self.bf_bas_re.select()
+ tmp &= ~EREAD
+ else:
+ self.bf_bas_re.deselect()
+ if ace.mask & ALL_READ_BITS == ALL_READ_BITS:
+ self.bf_bas_rd.select()
+ tmp &= ~ALL_READ_BITS
+ else:
+ self.bf_bas_rd.deselect()
+ if ace.mask & EWRITE == EWRITE:
+ self.bf_bas_wr.select()
+ tmp &= ~EWRITE
+ else:
+ self.bf_bas_wr.deselect()
+ if tmp:
+ self.bf_bas_sp.select()
+ else:
+ self.bf_bas_sp.deselect()
+
+CIFS_QUERY_INFO = 0xc018cf07
+
+def usage():
+ print "Usage: %s <filename>" % (sys.argv[0])
+ sys.exit()
+
+
+class SID:
+ '''
+ SID implements a Windows Security Identifier as per MS-DTYP:2.4.2.
+ '''
+ def __init__(self, buf):
+ self.sub_authority_count = buf[1]
+ self.buffer = buf[:8 + self.sub_authority_count * 4]
+ self.revision = self.buffer[0]
+ if self.revision != 1:
+ raise ValueError('SID Revision %d not supported' %
+ (self.revision))
+ self.identifier_authority = 0
+ for x in self.buffer[2:8]:
+ self.identifier_authority = self.identifier_authority * 256 + x
+ self.sub_authority = []
+ for i in range(self.sub_authority_count):
+ self.sub_authority.append(struct.unpack_from('<I', self.buffer, 8 + 4 * i)[0])
+
+ def __str__(self):
+ s = "S-%u-%u" % (self.revision, self.identifier_authority)
+
+ for x in self.sub_authority:
+ s += '-%u' % x
+ return s
+
+
+class ACE:
+ '''
+ ACE implements a Windows ACE as per MS-DTYP:2.4.4.
+ '''
+ def __init__(self, buf):
+ self.type = buf[0]
+ self.flags = buf[1]
+ self.size = struct.unpack_from('<H', buf, 2)[0]
+ self.raw = buf[:self.size]
+ if self.type in [0, 1]:
+ self.mask = struct.unpack_from('<I', buf, 4)[0]
+ self.sid = SID(buf[8:])
+
+ def __str__(self):
+ s = 'Type:0x%02x ' % (self.type)
+ s += 'Flags:0x%02x ' % (self.flags)
+ if self.type in [0, 1]:
+ s += 'Mask:0x%02x SID:%s' % (self.mask, self.sid)
+ else:
+ for i in self.raw[4:]:
+ s += '%02x' % (i)
+
+ return s
+
+ class Type(enum.Enum):
+ ALLOWED = 0
+ DENIED = 1
+
+ def __str__(self):
+ return self.name
+
+
+class ACL:
+ '''
+ ACL implements a Windows ACL as per MS-DTYP:2.4.5.
+ '''
+ def __init__(self, buf):
+ self.revision = buf[0]
+ if self.revision != 2 and self.revision != 4:
+ raise ValueError('ACL Revision %d '
+ 'not supported' % (self.revision))
+ acl = buf[8:8 + struct.unpack_from('<H', buf, 2)[0]]
+ self.ace = []
+ for i in range(struct.unpack_from('<H', buf, 4)[0]):
+ ace = ACE(acl)
+ self.ace.append(ace)
+ acl = acl[ace.size:]
+
+ def __str__(self):
+ s = 'Revision:0x%02x\n' % (self.revision)
+ for ace in self.ace:
+ s += '%s\n' % (ace)
+ return s
+
+
+class SecurityDescriptor:
+ '''
+ SecurityDescriptor implements a Windows Security Descriptor as per
+ MS-DTYP:2.4.6.
+ '''
+ def __init__(self, buf):
+ self.revision = buf[0]
+ if self.revision != 1:
+ raise ValueError('Security Descriptor Revision %d '
+ 'not supported' % (self.revision))
+ self.control = struct.unpack_from('<H', buf, 2)
+
+ self.owner = SID(buf[struct.unpack_from('<I', buf, 4)[0]:])
+ self.group = SID(buf[struct.unpack_from('<I', buf, 8)[0]:])
+
+ self.dacl = ACL(buf[struct.unpack_from('<I', buf, 16)[0]:])
+
+ def __str__(self):
+ s = 'Revision:%u\n' % (self.revision)
+ s += 'Control:0x%04x\n' % (self.control)
+ s += 'Owner:%s\n' % (self.owner)
+ s += 'Group:%s\n' % (self.group)
+ s += 'DACL:\n%s' % (self.dacl)
+ return s
+
+
+def main():
+ if len(sys.argv) != 2:
+ usage()
+
+ buf = array.array('B', [0] * 16384)
+
+ struct.pack_into('<I', buf, 0, 3) # InfoType: Security
+ struct.pack_into('<I', buf, 8, 7) # AddInfo: Group/Owner/Dacl
+ struct.pack_into('<I', buf, 16, 16384) # InputBufferLength
+
+ f = os.open(sys.argv[1], os.O_RDONLY)
+ st = os.fstat(f)
+ fcntl.ioctl(f, CIFS_QUERY_INFO, buf, 1)
+ os.close(f)
+
+ s = struct.unpack_from('<I', buf, 16)
+
+ sd = SecurityDescriptor(buf[24:24 + s[0]])
+
+ root = Tk()
+ app = App(root, sd, stat.S_ISDIR(st.st_mode))
+ root.mainloop()
+
+
+if __name__ == "__main__":
+ main()
+
--
2.13.6
