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policycoreutils/policycoreutils-sepolgen.patch

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* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/access.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/access.py
--- nsasepolgen/src/sepolgen/access.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/access.py 2010-04-28 17:12:20.000000000 -0400
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
@@ -32,6 +32,7 @@
"""
import refpolicy
+from selinux import audit2why
def is_idparam(id):
"""Determine if an id is a paramater in the form $N, where N is
@@ -85,6 +86,8 @@
self.obj_class = None
self.perms = refpolicy.IdSet()
self.audit_msgs = []
+ self.type = audit2why.TERULE
+ self.bools = []
# The direction of the information flow represented by this
# access vector - used for matching
@@ -253,20 +256,22 @@
for av in l:
self.add_av(AccessVector(av))
- def add(self, src_type, tgt_type, obj_class, perms, audit_msg=None):
+ def add(self, src_type, tgt_type, obj_class, perms, audit_msg=None, avc_type=audit2why.TERULE, bools=[]):
"""Add an access vector to the set.
"""
tgt = self.src.setdefault(src_type, { })
cls = tgt.setdefault(tgt_type, { })
- if cls.has_key(obj_class):
- access = cls[obj_class]
+ if cls.has_key((obj_class, avc_type)):
+ access = cls[obj_class, avc_type]
else:
access = AccessVector()
access.src_type = src_type
access.tgt_type = tgt_type
access.obj_class = obj_class
- cls[obj_class] = access
+ access.bools = bools
+ access.type = avc_type
+ cls[obj_class, avc_type] = access
access.perms.update(perms)
if audit_msg:
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/audit.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/audit.py
--- nsasepolgen/src/sepolgen/audit.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/audit.py 2010-04-28 17:12:20.000000000 -0400
@@ -68,6 +68,17 @@
* Wed Apr 22 2009 Dan Walsh <dwalsh@redhat.com> 2.0.62-14 - Fix audit2allow -a to retun /var/log/messages
2009-05-05 18:51:52 +00:00
stdout=subprocess.PIPE).communicate()[0]
return output
+def get_log_msgs():
+ """Obtain all of the avc and policy load messages from /var/log/messages.
+
+ Returns:
+ string contain all of the audit messages returned by /var/log/messages.
+ """
+ import subprocess
+ output = subprocess.Popen(["/bin/grep", "avc", "/var/log/messages"],
+ stdout=subprocess.PIPE).communicate()[0]
+ return output
+
# Classes representing audit messages
class AuditMessage:
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -127,6 +138,9 @@
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
if fields[0] == "path":
self.path = fields[1][1:-1]
return
+import selinux.audit2why as audit2why
* Wed Jan 6 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-8 - Speed up audit2allow processing of audit2why comments
2010-01-06 20:49:27 +00:00
+
+avcdict = {}
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
class AVCMessage(AuditMessage):
"""AVC message representing an access denial or granted message.
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -167,6 +181,8 @@
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
self.path = ""
self.accesses = []
self.denial = True
+ self.type = audit2why.TERULE
+ self.bools = []
def __parse_access(self, recs, start):
# This is kind of sucky - the access that is in a space separated
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -226,7 +242,31 @@
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
if not found_src or not found_tgt or not found_class or not found_access:
raise ValueError("AVC message in invalid format [%s]\n" % self.message)
-
+ self.analyze()
+
+ def analyze(self):
+ tcontext = self.tcontext.to_string()
+ scontext = self.scontext.to_string()
* Wed Jan 6 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-8 - Speed up audit2allow processing of audit2why comments
2010-01-06 20:49:27 +00:00
+ access_tuple = tuple( self.accesses)
+ if (scontext, tcontext, self.tclass, access_tuple) in avcdict.keys():
+ self.type, self.bools = avcdict[(scontext, tcontext, self.tclass, access_tuple)]
+ else:
+ self.type, self.bools = audit2why.analyze(scontext, tcontext, self.tclass, self.accesses);
+ if self.type == audit2why.NOPOLICY:
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
+ self.type = audit2why.TERULE
* Wed Jan 6 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-8 - Speed up audit2allow processing of audit2why comments
2010-01-06 20:49:27 +00:00
+ if self.type == audit2why.BADTCON:
+ raise ValueError("Invalid Target Context %s\n" % tcontext)
+ if self.type == audit2why.BADSCON:
+ raise ValueError("Invalid Source Context %s\n" % scontext)
+ if self.type == audit2why.BADSCON:
+ raise ValueError("Invalid Type Class %s\n" % self.tclass)
+ if self.type == audit2why.BADPERM:
+ raise ValueError("Invalid permission %s\n" % " ".join(self.accesses))
+ if self.type == audit2why.BADCOMPUTE:
+ raise ValueError("Error during access vector computation")
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
+
* Wed Jan 6 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-8 - Speed up audit2allow processing of audit2why comments
2010-01-06 20:49:27 +00:00
+ avcdict[(scontext, tcontext, self.tclass, access_tuple)] = (self.type, self.bools)
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
+
class PolicyLoadMessage(AuditMessage):
"""Audit message indicating that the policy was reloaded."""
def __init__(self, message):
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -469,10 +509,10 @@
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
if avc_filter:
if avc_filter.filter(avc):
av_set.add(avc.scontext.type, avc.tcontext.type, avc.tclass,
- avc.accesses, avc)
+ avc.accesses, avc, avc_type=avc.type, bools=avc.bools)
else:
av_set.add(avc.scontext.type, avc.tcontext.type, avc.tclass,
- avc.accesses, avc)
+ avc.accesses, avc, avc_type=avc.type, bools=avc.bools)
return av_set
class AVCTypeFilter:
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/defaults.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/defaults.py
--- nsasepolgen/src/sepolgen/defaults.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/defaults.py 2010-04-28 17:12:20.000000000 -0400
@@ -30,6 +30,9 @@
def interface_info():
return data_dir() + "/interface_info"
+def attribute_info():
+ return data_dir() + "/attribute_info"
+
def refpolicy_devel():
return "/usr/share/selinux/devel"
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/interfaces.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/interfaces.py
--- nsasepolgen/src/sepolgen/interfaces.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/interfaces.py 2010-05-03 09:33:11.000000000 -0400
@@ -29,6 +29,8 @@
from sepolgeni18n import _
+import copy
+
class Param:
"""
Object representing a paramater for an interface.
@@ -197,10 +199,48 @@
ret = 1
return ret
-
+
+class AttributeVector:
+ def __init__(self):
+ self.name = ""
+ self.access = access.AccessVectorSet()
+
+ def add_av(self, av):
+ self.access.add_av(av)
+
+class AttributeSet:
+ def __init__(self):
+ self.attributes = { }
+
+ def add_attr(self, attr):
+ self.attributes[attr.name] = attr
+
+ def from_file(self, fd):
+ def parse_attr(line):
+ fields = line[1:-1].split()
+ if len(fields) != 2 or fields[0] != "Attribute":
+ raise SyntaxError("Syntax error Attribute statement %s" % line)
+ a = AttributeVector()
+ a.name = fields[1]
+
+ return a
+
+ a = None
+ for line in fd:
+ line = line[:-1]
+ if line[0] == "[":
+ if a:
+ self.add_attr(a)
+ a = parse_attr(line)
+ elif a:
+ l = line.split(",")
+ av = access.AccessVector(l)
+ a.add_av(av)
+ if a:
+ self.add_attr(a)
class InterfaceVector:
- def __init__(self, interface=None):
+ def __init__(self, interface=None, attributes={}):
# Enabled is a loose concept currently - we are essentially
# not enabling interfaces that we can't handle currently.
# See InterfaceVector.add_ifv for more information.
@@ -214,10 +254,10 @@
# value: Param object).
self.params = { }
if interface:
- self.from_interface(interface)
+ self.from_interface(interface, attributes)
self.expanded = False
- def from_interface(self, interface):
+ def from_interface(self, interface, attributes={}):
self.name = interface.name
# Add allow rules
@@ -232,6 +272,23 @@
for av in avs:
self.add_av(av)
+ # Add typeattribute access
+ if attributes != None:
+ for typeattribute in interface.typeattributes():
+ for attr in typeattribute.attributes:
+ if not attributes.attributes.has_key(attr):
+ # print "missing attribute " + attr
+ continue
+ attr_vec = attributes.attributes[attr]
+ for a in attr_vec.access:
+ av = copy.copy(a)
+ if av.src_type == attr_vec.name:
+ av.src_type = typeattribute.type
+ if av.tgt_type == attr_vec.name:
+ av.tgt_type = typeattribute.type
+ self.add_av(av)
+
+
# Extract paramaters from roles
for role in interface.roles():
if role_extract_params(role, self.params):
@@ -346,13 +403,13 @@
l = self.tgt_type_map.setdefault(type, [])
l.append(ifv)
- def add(self, interface):
- ifv = InterfaceVector(interface)
+ def add(self, interface, attributes={}):
+ ifv = InterfaceVector(interface, attributes)
self.add_ifv(ifv)
- def add_headers(self, headers, output=None):
+ def add_headers(self, headers, output=None, attributes={}):
for i in itertools.chain(headers.interfaces(), headers.templates()):
- self.add(i)
+ self.add(i, attributes)
self.expand_ifcalls(headers)
self.index()
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/matching.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/matching.py
--- nsasepolgen/src/sepolgen/matching.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/matching.py 2010-04-28 17:12:20.000000000 -0400
@@ -50,7 +50,7 @@
return 1
class MatchList:
- DEFAULT_THRESHOLD = 120
+ DEFAULT_THRESHOLD = 150
def __init__(self):
# Match objects that pass the threshold
self.children = []
@@ -63,14 +63,15 @@
def best(self):
if len(self.children):
return self.children[0]
- else:
- return None
+ if len(self.bastards):
+ return self.bastards[0]
+ return None
def __len__(self):
# Only return the length of the matches so
# that this can be used to test if there is
# a match.
- return len(self.children)
+ return len(self.children) + len(self.bastards)
def __iter__(self):
return iter(self.children)
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/policygen.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/policygen.py
--- nsasepolgen/src/sepolgen/policygen.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/policygen.py 2010-05-21 10:36:31.000000000 -0400
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
@@ -29,6 +29,8 @@
import access
import interfaces
import matching
+import selinux.audit2why as audit2why
+from setools import *
# Constants for the level of explanation from the generation
# routines
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -77,6 +79,7 @@
self.dontaudit = False
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
+ self.domains = None
def set_gen_refpol(self, if_set=None, perm_maps=None):
"""Set whether reference policy interfaces are generated.
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
@@ -151,9 +154,41 @@
rule = refpolicy.AVRule(av)
if self.dontaudit:
rule.rule_type = rule.DONTAUDIT
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
+ rule.comment = ""
if self.explain:
rule.comment = refpolicy.Comment(explain_access(av, verbosity=self.explain))
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
- self.module.children.append(rule)
* Wed Dec 16 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-5 - If restorecond running as a user has no files to watch then it should exit. (NFS Homedirs)
2009-12-16 13:21:49 +00:00
+ if av.type == audit2why.ALLOW:
+ rule.comment += "#!!!! This avc is allowed in the current policy\n"
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
+ if av.type == audit2why.DONTAUDIT:
+ rule.comment += "#!!!! This avc has a dontaudit rule in the current policy\n"
+ if av.type == audit2why.BOOLEAN:
+ if len(av.bools) > 1:
+ rule.comment += "#!!!! This avc can be allowed using one of the these booleans:\n# %s\n" % ", ".join(map(lambda x: av.bools[0][0], av.bools))
+ else:
+ rule.comment += "#!!!! This avc can be allowed using the boolean '%s'\n" % av.bools[0][0]
+
+ if av.type == audit2why.CONSTRAINT:
+ rule.comment += "#!!!! This avc is a constraint violation. You will need to add an attribute to either the source or target type to make it work.\n"
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
+ rule.comment += "#Contraint rule: "
+
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
+ if av.type == audit2why.TERULE:
* Wed Dec 16 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-5 - If restorecond running as a user has no files to watch then it should exit. (NFS Homedirs)
2009-12-16 13:21:49 +00:00
+ if "write" in av.perms:
+ if "dir" in av.obj_class or "open" in av.perms:
+ if not self.domains:
+ self.domains = seinfo(ATTRIBUTE, name="domain")[0]["types"]
+ types=[]
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
+
+ try:
+ for i in map(lambda x: x[TCONTEXT], sesearch([ALLOW], {SCONTEXT: av.src_type, CLASS: av.obj_class, PERMS: av.perms})):
+ if i not in self.domains:
+ types.append(i)
+ if len(types) == 1:
+ rule.comment += "#!!!! The source type '%s' can write to a '%s' of the following type:\n# %s\n" % ( av.src_type, av.obj_class, ", ".join(types))
+ elif len(types) >= 1:
+ rule.comment += "#!!!! The source type '%s' can write to a '%s' of the following types:\n# %s\n" % ( av.src_type, av.obj_class, ", ".join(types))
+ except:
+ pass
+ self.module.children.append(rule)
* Tue Dec 8 2009 Dan Walsh <dwalsh@redhat.com> 2.0.78-3 - Fix audit2allow to report constraints, dontaudits, types, booleans
2009-12-09 21:33:50 +00:00
* Thu May 27 2010 Dan Walsh <dwalsh@redhat.com> 2.0.82-24 - Man page fixes - sandbox fixes Resolves: #595796 - Move seunshare to base package
2010-05-27 21:23:08 +00:00
def add_access(self, av_set):
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/refparser.py
--- nsasepolgen/src/sepolgen/refparser.py 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/sepolgen/refparser.py 2010-05-21 10:26:43.000000000 -0400
@@ -1044,7 +1044,7 @@
# of misc_macros. We are just going to pretend that this is an interface
# to make the expansion work correctly.
can_exec = refpolicy.Interface("can_exec")
- av = access.AccessVector(["$1","$2","file","execute_no_trans","read",
+ av = access.AccessVector(["$1","$2","file","execute_no_trans","open", "read",
"getattr","lock","execute","ioctl"])
can_exec.children.append(refpolicy.AVRule(av))
diff --exclude-from=exclude -N -u -r nsasepolgen/src/share/perm_map policycoreutils-2.0.82/sepolgen-1.0.23/src/share/perm_map
--- nsasepolgen/src/share/perm_map 2010-05-19 14:45:51.000000000 -0400
+++ policycoreutils-2.0.82/sepolgen-1.0.23/src/share/perm_map 2010-04-28 17:12:20.000000000 -0400
@@ -124,7 +124,7 @@
quotamod w 1
quotaget r 1
-class file 20
+class file 21
execute_no_trans r 1
entrypoint r 1
execmod n 1
@@ -141,48 +141,50 @@
unlink w 1
link w 1
rename w 5
- execute r 100
+ execute r 10
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
-class dir 22
- add_name w 5
+class dir 23
+ add_name w 1
remove_name w 1
reparent w 1
search r 1
rmdir b 1
ioctl n 1
- read r 10
- write w 10
+ read r 1
+ write w 1
create w 1
- getattr r 7
- setattr w 7
+ getattr r 1
+ setattr w 1
lock n 1
- relabelfrom r 10
- relabelto w 10
+ relabelfrom r 1
+ relabelto w 1
append w 1
unlink w 1
link w 1
- rename w 5
+ rename w 1
execute r 1
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
class fd 1
use b 1
-class lnk_file 17
+class lnk_file 18
ioctl n 1
- read r 10
- write w 10
+ read r 1
+ write w 1
create w 1
- getattr r 7
- setattr w 7
+ getattr r 1
+ setattr w 1
lock n 1
- relabelfrom r 10
- relabelto w 10
+ relabelfrom r 1
+ relabelto w 1
append w 1
unlink w 1
link w 1
@@ -191,8 +193,9 @@
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
-class chr_file 20
+class chr_file 21
execute_no_trans r 1
entrypoint r 1
execmod n 1
@@ -213,8 +216,9 @@
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
-class blk_file 17
+class blk_file 18
ioctl n 1
read r 10
write w 10
@@ -232,8 +236,9 @@
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
-class sock_file 17
+class sock_file 18
ioctl n 1
read r 10
write w 10
@@ -251,8 +256,9 @@
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
-class fifo_file 17
+class fifo_file 18
ioctl n 1
read r 10
write w 10
@@ -270,6 +276,7 @@
swapon b 1
quotaon b 1
mounton b 1
+ open r 1
class socket 22
ioctl n 1
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