46 lines
2.1 KiB
Diff
46 lines
2.1 KiB
Diff
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From e7f00c5591082ab84c055ba250b361eefa19eb0d Mon Sep 17 00:00:00 2001
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From: Zdenek Pytela <zpytela@redhat.com>
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Date: Mon, 3 Jan 2022 12:27:28 +0100
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Subject: [PATCH] Allow lldpd connect to snmpd with a unix domain stream socket
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Reference: https://gitbub.com/fedora-selinux/selinux-policy/commit/e7f00c5591082ab84c055ba250b361eefa19eb0d
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Conflict: NA
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If the lldpd service is configured to enable the SNMP subagent
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(using the -x option), the lldpd process tries to connect to snmpd's
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agentx. By default, the /var/agentx/master socket file is used.
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Addresses the following AVC denial:
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type=PROCTITLE msg=audit(01/03/22 06:21:57.359:417) : proctitle=/usr/sbin/lldpd -x
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type=PATH msg=audit(01/03/22 06:21:57.359:417) : item=0 name=/var/agentx/master nametype=UNKNOWN cap_fp=none cap_fi=none cap_fe=0 cap_fver=0 cap_frootid=0
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type=CWD msg=audit(01/03/22 06:21:57.359:417) : cwd=/
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type=SOCKADDR msg=audit(01/03/22 06:21:57.359:417) : saddr={ saddr_fam=local path=/var/agentx/master }
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type=SYSCALL msg=audit(01/03/22 06:21:57.359:417) : arch=x86_64 syscall=connect success=no exit=EACCES(Permission denied) a0=0x6 a1=0x5586e8de9980 a2=0x6e a3=0x0 items=1 ppid=1 pid=12595 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=lldpd exe=/usr/sbin/lldpd subj=system_u:system_r:lldpad_t:s0 key=(null)
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type=AVC msg=audit(01/03/22 06:21:57.359:417) : avc: denied { search } for pid=12595 comm=lldpd name=agentx dev="vda1" ino=2034987 scontext=system_u:system_r:lldpad_t:s0 tcontext=system_u:object_r:snmpd_var_lib_t:s0 tclass=dir permissive=0
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Resolves: rhbz#1991029
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Signed-off-by: lujie54 <lujie54@huawei.com>
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---
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policy/modules/contrib/lldpad.te | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/policy/modules/contrib/lldpad.te b/policy/modules/contrib/lldpad.te
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index cccbc09..075893c 100644
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--- a/policy/modules/contrib/lldpad.te
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+++ b/policy/modules/contrib/lldpad.te
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@@ -83,6 +83,10 @@ optional_policy(`
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')
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optional_policy(`
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+ snmp_stream_connect(lldpad_t)
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+')
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+
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+optional_policy(`
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sysnet_read_config(lldpad_t)
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')
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--
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1.8.3.1
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