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add password hardening yang model, yang test, init_cfg.json.j2 files - #2

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add password hardening yang model, yang test, init_cfg.json.j2 files#2
davidpil2002 wants to merge 19 commits into
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dev-password-hardening-yang-model

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Why I did it

How I did it

How to verify it

Which release branch to backport (provide reason below if selected)

  • 201811
  • 201911
  • 202006
  • 202012
  • 202106
  • 202111

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

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Comment thread src/sonic-yang-models/yang-models/sonic-passwh.yang Outdated
Comment thread src/sonic-yang-models/tests/yang_model_tests/tests/password_hardening.json Outdated
@davidpil2002
davidpil2002 force-pushed the dev-password-hardening-yang-model branch from b7c3a2d to d6e62e8 Compare March 10, 2022 11:37
davidpil2002 pushed a commit that referenced this pull request Nov 2, 2022
#### Why I did it
Update sonic-host-services submodule to include below commits:
```
bc8698d Merge pull request sonic-net#21 from abdosi/feature
557a110 Fix the issue where if dest port is not specified in ACL rule than for multi-asic where we create NAT rule to forward traffic from Namespace to host fail with exception.
6e45acc (master) Merge pull request sonic-net#14 from abdosi/feature
4d6cad7 Merge remote-tracking branch 'upstream/master' into feature
bceb13e Install libyang to azure pipeline (sonic-net#20)
82299f5 Merge pull request sonic-net#13 from SuvarnaMeenakshi/cacl_fabricns
15d3bf4 Merge branch 'master' into cacl_fabricns
de54082 Merge pull request sonic-net#16 from ZhaohuiS/feature/caclmgrd_external_client_warning_log
b4b368d Add warning log if destination port is not defined
d4bb96d Merge branch 'master' into cacl_fabricns
35c76cb Add unit-test and fix typo.
17d44c2 Made Changes to be Python 3.7 compatible
978afb5 Aligning Code
1fbf8fb Merge remote-tracking branch 'upstream/master' into feature
7b8c7d1 Added UT for the changes
91c4c42 Merge pull request #9 from ZhaohuiS/feature/caclmgrd_external_client
7c0b56a Add 4 test cases for external_client_acl, including single port and port range for ipv4 and ipv6
b71e507 Merge remote-tracking branch 'origin/master' into HEAD
d992dc0 Merge branch 'master' into feature/caclmgrd_external_client
bd7b172 DST_PORT is configuralbe in json config file for EXTERNAL_CLIENT_ACL
f9af7ae [CLI] Move hostname, mgmt interface/vrf config to hostcfgd (#2)
70ce6a3 Merge pull request sonic-net#10 from sujinmkang/cold_reset
29be8d2 Added Support to render Feature Table using Device running metadata. Also added support to render 'has_asic_scope' field of Feature Table.
3437e35 [caclmgrd][chassis]: Add ip tables rules to accept internal docker traffic from fabric asic namespaces.
8720561 Fix and add hardware reboot cause determination tests
0dcc7fe remove the empty bracket if no hardware reboot cause minor
e47d831 fix the wrong expected result comparision
ef86b53 Fix startswith Attribute error
8a630bb fix mock patch
8543ddf update the reboot cause logic and update the unit test
53ad7cd fix the mock patch function
7c8003d fix the reboot-cause regix for test
1ba611f fix typo
25379d3 Add unit test case
a56133b Add hardware reboot cause as actual reboot cause for soft reboot failed
c7d3833 Support Restapi/gnmi control plane acls
f6ea036 caclmgrd: Don't block traffic to mgmt by default
a712fc4 Update test cases
adc058b caclmgrd: Don't block traffic to mgmt by default
06ff918 Merge pull request #7 from bluecmd/patch-1
e3e23bc ci: Rename sonic-buildimage repository
e83a858 Merge pull request #4 from kamelnetworks/acl-ip2me-test
f5a2e50 [caclmgrd]: Tests for IP2ME rules generation
```
davidpil2002 pushed a commit that referenced this pull request May 8, 2025
…et#21095)

Adding the below fix from FRR FRRouting/frr#17297

This is to fix the following crash which is a statistical issue

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M dplane_fpm_nl -M snmp'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007fccd7351e2c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7fccd6faf7c0 (LWP 36))]
(gdb) bt
#0  0x00007fccd7351e2c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fccd7302fb2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fccd72ed472 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007fccd75bb3a9 in _zlog_assert_failed (xref=xref@entry=0x7fccd7652380 <_xref.16>, extra=extra@entry=0x0) at ../lib/zlog.c:678
#4  0x00007fccd759b2fe in route_node_delete (node=<optimized out>) at ../lib/table.c:352
#5  0x00007fccd759b445 in route_unlock_node (node=0x0) at ../lib/table.h:258
#6  route_next (node=<optimized out>) at ../lib/table.c:436
#7  route_next (node=node@entry=0x56029d89e560) at ../lib/table.c:410
#8  0x000056029b6b6b7a in if_lookup_by_name_per_ns (ns=ns@entry=0x56029d873d90, ifname=ifname@entry=0x7fccc0029340 "PortChannel1020")
    at ../zebra/interface.c:312
#9  0x000056029b6b8b36 in zebra_if_dplane_ifp_handling (ctx=0x7fccc0029310) at ../zebra/interface.c:1867
sonic-net#10 zebra_if_dplane_result (ctx=0x7fccc0029310) at ../zebra/interface.c:2221
sonic-net#11 0x000056029b7137a9 in rib_process_dplane_results (thread=<optimized out>) at ../zebra/zebra_rib.c:4810
sonic-net#12 0x00007fccd75a0e0d in thread_call (thread=thread@entry=0x7ffe8e553cc0) at ../lib/thread.c:1990
sonic-net#13 0x00007fccd7559368 in frr_run (master=0x56029d65a040) at ../lib/libfrr.c:1198
sonic-net#14 0x000056029b6ac317 in main (argc=9, argv=0x7ffe8e5540d8) at ../zebra/main.c:478
davidpil2002 pushed a commit that referenced this pull request May 8, 2025
…sue. (sonic-net#22342)

Fix TACACS config revert to old config when device reboot issue.

#### Why I did it
Fix following bug:

1. When SONiC OS upgrade, old TACACS config will save to /etc/sonic/old_config/tacacs.json
2. After device reboot, TACACS config service (https://github.com/sonic-net/sonic-buildimage/blob/master/files/build_templates/tacacs-config.service) will restore TACACS config from /etc/sonic/old_config/tacacs.json, but this file will keep no change after restore TACACS config.
3. If TACACS service changed by user, because of #2, if device reboot again, the TACACS config been reverted back to old config in /etc/sonic/old_config/tacacs.json

Note: the TACACS config does not revert immediately after reboot, it will delay 5min 30sec:
https://github.com/sonic-net/sonic-buildimage/blob/master/files/build_templates/tacacs-config.timer

##### Work item tracking
- Microsoft ADO **(number only)**:32338799

#### How I did it
Move /etc/sonic/old_config/tacacs.json to /etc/sonic/old_config/tacacs.json_backup

#### How to verify it
Pass all test case.
Manually verify with following steps:

admin@vlab-01:~$ show tacacs
TACPLUS global auth_type login
TACPLUS global timeout 5 (default)
TACPLUS global passkey testing123

TACPLUS_SERVER address 10.250.0.102
               priority 1
               tcp_port 49

admin@vlab-01:~$ echo '
> {
>     "TACPLUS": {"global": { "auth_type": "login", "passkey": "12345" } }
> }' > /etc/sonic/old_config/tacacs.json
admin@vlab-01:~$ cat /etc/sonic/old_config/tacacs.json

{
    "TACPLUS": {"global": { "auth_type": "login", "passkey": "12345" } }
}

// then reboot device and wait for 6 minutes, because the TACACS config service will delay 5min 30sec after reboot:
https://github.com/sonic-net/sonic-buildimage/blob/master/files/build_templates/tacacs-config.timer

admin@vlab-01:~$ ls /etc/sonic/old_config/tacacs.json
ls: cannot access '/etc/sonic/old_config/tacacs.json': No such file or directory
admin@vlab-01:~$ show tacacs
TACPLUS global auth_type login
TACPLUS global timeout 5 (default)
TACPLUS global passkey 12345

TACPLUS_SERVER address 10.250.0.102
               priority 1
               tcp_port 49

#### Description for the changelog
Fix TACACS config revert to old config when device reboot issue.
davidpil2002 pushed a commit that referenced this pull request Jul 26, 2026
…dating udevd rules (sonic-net#26343)

- Why I did it
On SONiC SmartSwitch platforms with DPUs, systemd-udevd crashes with SIGABRT on every reboot when DPU firmware initialization is slow. During the initramfs boot phase, a standalone systemd-udevd daemon is started to handle device discovery. If DPU firmware takes longer than the 60-second udevadm settle timeout (BlueField-3 DPUs can take 120 seconds each in the failure case when they are stuck), the initramfs cannot stop this udevd before switch_root. The stale process survives into the real system but is never chrooted into the overlayfs root, leaving it with a broken filesystem view. When dpu-udev-manager.sh writes udev rules, the stale udevd detects the change and crashes on an assertion in systemd's chase() path resolution (assert(path_is_absolute(p)) at chase.c:648), because dir_fd_is_root() returns false for a process whose root still points to the initramfs rootfs rather than the overlayfs.

This triggers a systemd issue : systemd/systemd#29559 which maintainers doesn't consider as a bug from systemd side. Raising this fix for our usecase.

Core was generated by `/usr/lib/systemd/systemd-udevd --daemon --resolve-names=never'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f29fe7f695c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0  0x00007f29fe7f695c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f29fe7a1cc2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f29fe78a4ac in abort () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007f29fea50c11 in ?? () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
#4  0x00007f29feb94a8b in chase () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
#5  0x00007f29feb956e2 in chase_and_opendir () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
#6  0x00007f29feb9a609 in conf_files_list_strv () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
#7  0x00007f29fea913e8 in config_get_stats_by_path () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
#8  0x0000559f295519cf in ?? ()
#9  0x0000559f29553a77 in ?? ()
sonic-net#10 0x00007f29fec36055 in ?? () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
sonic-net#11 0x00007f29fec3668d in sd_event_dispatch () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
sonic-net#12 0x00007f29fec394a8 in sd_event_run () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
sonic-net#13 0x00007f29fec396c7 in sd_event_loop () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so
sonic-net#14 0x0000559f29545820 in ?? ()
sonic-net#15 0x00007f29fe78bca8 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
sonic-net#16 0x00007f29fe78bd65 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
sonic-net#17 0x0000559f29545c51 in ?? ()

- How I did it
Added a kill_stale_udevd() function to dpu-udev-manager.sh that runs before writing the udev rules. It identifies the systemd-managed udevd PID via systemctl show, then kills any other systemd-udevd --daemon process that doesn't match -- these are leftover initramfs instances. If no stale process exists (e.g. DPUs are healthy and the initramfs udevd exited cleanly), the function is a no-op.

- How to verify it
Deploy the image on a SmartSwitch with DPUs in a state where firmware initialization times out (>60s per DPU) by stopping image installation before firmware install step
Reboot the switch
Verify no new systemd-udevd coredumps in /var/core/
Verify the stale process was killed: journalctl -b 0 | grep dpu-udev-manager should show killing stale initramfs udevd PID (systemd udevd is PID )
Verify systemd-udevd.service is healthy: systemctl status systemd-udevd should show active (running)
Verify DPU udev rules were written: cat /etc/udev/rules.d/92-midplane-intf.rules should contain the DPU interface naming rules

Signed-off-by: Hemanth Kumar Tirupati <tirupatihemanthkumar@gmail.com>
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