[PATCH v6] semanage, sepolicy: list also ports not attributed with port_type

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For `semanage port -l` and `sepolicy network -t type`, show also ports
which are not attributed with `port_type`. Such ports may exist in
custom policies and even the attribute `port_type` may not be defined.

This fixes the following error with `semanage port -l` (and similar
error with `sepolicy network -t type`):

Traceback (most recent call last):
  File "/usr/sbin/semanage", line 975, in <module>
    do_parser()
  File "/usr/sbin/semanage", line 947, in do_parser
    args.func(args)
  File "/usr/sbin/semanage", line 441, in handlePort
    OBJECT = object_dict['port'](args)
             ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/seobject.py", line 1057, in __init__
    self.valid_types = list(list(sepolicy.info(sepolicy.ATTRIBUTE, "port_type"))[0]["types"])
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^
IndexError: list index out of range

Signed-off-by: Topi Miettinen <toiwoton@xxxxxxxxx>

---
v6: update to work with Fedora policy
v5: fix from Petr Lautrbach
v4: keep types found with attribute port_type for compatibility with types
    which are not portcons
v3: use even better version, thanks to Petr Lautrbach
v2: fix other cases and use better version courtesy of Petr Lautrbach
---
 python/semanage/semanage-bash-completion.sh | 2 +-
 python/semanage/seobject.py                 | 7 ++++++-
 python/sepolicy/sepolicy-bash-completion.sh | 2 +-
 python/sepolicy/sepolicy/__init__.py        | 9 +++++++--
 4 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/python/semanage/semanage-bash-completion.sh b/python/semanage/semanage-bash-completion.sh
index d0dd139f..1e3f6f9d 100644
--- a/python/semanage/semanage-bash-completion.sh
+++ b/python/semanage/semanage-bash-completion.sh
@@ -37,7 +37,7 @@ __get_all_types () {
     seinfo -t 2> /dev/null | tail -n +3 
 }
 __get_all_port_types () { 
-    seinfo -aport_type -x 2>/dev/null | tail -n +2 
+    sepolicy network -l
 }
 __get_all_domains () { 
     seinfo -adomain -x 2>/dev/null | tail -n +2 
diff --git a/python/semanage/seobject.py b/python/semanage/seobject.py
index d82da494..c10bdfa2 100644
--- a/python/semanage/seobject.py
+++ b/python/semanage/seobject.py
@@ -1055,7 +1055,12 @@ class portRecords(semanageRecords):
     def __init__(self, args = None):
         semanageRecords.__init__(self, args)
         try:
-            self.valid_types = list(list(sepolicy.info(sepolicy.ATTRIBUTE, "port_type"))[0]["types"])
+            self.valid_types = set(next(sepolicy.info(sepolicy.ATTRIBUTE, "port_type"))["types"])
+        except (RuntimeError, StopIteration):
+            self.valid_types = set()
+            pass
+        try:
+            self.valid_types.update(set([x["type"] for x in sepolicy.info(sepolicy.PORT)]))
         except RuntimeError:
             pass
 
diff --git a/python/sepolicy/sepolicy-bash-completion.sh b/python/sepolicy/sepolicy-bash-completion.sh
index 13638e4d..467333b8 100644
--- a/python/sepolicy/sepolicy-bash-completion.sh
+++ b/python/sepolicy/sepolicy-bash-completion.sh
@@ -52,7 +52,7 @@ __get_all_classes () {
     seinfo -c 2> /dev/null | tail -n +2
 }
 __get_all_port_types () {
-    seinfo -aport_type -x 2> /dev/null | tail -n +2
+    sepolicy network -l
 }
 __get_all_domain_types () {
     seinfo -adomain -x 2> /dev/null | tail -n +2
diff --git a/python/sepolicy/sepolicy/__init__.py b/python/sepolicy/sepolicy/__init__.py
index c177cdfc..8c6139e5 100644
--- a/python/sepolicy/sepolicy/__init__.py
+++ b/python/sepolicy/sepolicy/__init__.py
@@ -989,8 +989,13 @@ def get_all_port_types():
     global port_types
     if port_types:
         return port_types
-    port_types = list(sorted(info(ATTRIBUTE, "port_type"))[0]["types"])
-    return port_types
+    try:
+        port_types = set(next(info(ATTRIBUTE, "port_type"))["types"])
+    except StopIteration:
+        port_types = set()
+        pass
+    port_types.update(set([x["type"] for x in info(PORT)]))
+    return sorted(port_types)
 
 
 def get_all_bools():
-- 
2.40.1




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