(RHEL-1317) udev: allow/denylist for reading sysfs attributes when composing a NIC name #218
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…C name Users can currently pick specific versions of NIC naming, but that does not guarantee that NIC names won't change after the kernel adds a new sysfs attribute. This patch allows for an allow/deny list of sysfs attributes that could be used when composing the name. These lists can be supplied as an hwdb entry in the form of /etc/udev/hwdb.d/50-net-naming-allowlist.hwdb net:naming:drvirtio_net ID_NET_NAME_ALLOW=0 ID_NET_NAME_ALLOW_ACPI_INDEX=1 ID_NET_NAME_ALLOW_ADDR_ASSIGN_TYPE=1 ID_NET_NAME_ALLOW_ADDRESS=1 ID_NET_NAME_ALLOW_ARI_ENABLED=1 ID_NET_NAME_ALLOW_DEV_PORT=1 ID_NET_NAME_ALLOW_FUNCTION_ID=1 ID_NET_NAME_ALLOW_IFLINK=1 ID_NET_NAME_ALLOW_INDEX=1 ID_NET_NAME_ALLOW_LABEL=1 ID_NET_NAME_ALLOW_PHYS_PORT_NAME=1 ID_NET_NAME_ALLOW_TYPE=1 (cherry picked from commit 3b2e7dc) Resolves: RHEL-1317
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Tracker - RHEL-1317 The following commits meet all requirements
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Jan 5, 2024
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LGTM
Btw, while reviewing this I realized it would be kind of nice to enforce use of *_filtered() function variants in src/udev/udev-builtin-net_id.c.
@mrc0mmand do you think it would be possible to write CodeQL query that would enforce this policy?
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Users can currently pick specific versions of NIC naming, but that does not guarantee that NIC names won't change after the kernel adds a new sysfs attribute.
This patch allows for an allow/deny list of sysfs attributes that could be used when composing the name.
These lists can be supplied as an hwdb entry in the form of /etc/udev/hwdb.d/50-net-naming-allowlist.hwdb
net:naming:drvirtio_net
ID_NET_NAME_ALLOW=0
ID_NET_NAME_ALLOW_ACPI_INDEX=1
ID_NET_NAME_ALLOW_ADDR_ASSIGN_TYPE=1
ID_NET_NAME_ALLOW_ADDRESS=1
ID_NET_NAME_ALLOW_ARI_ENABLED=1
ID_NET_NAME_ALLOW_DEV_PORT=1
ID_NET_NAME_ALLOW_FUNCTION_ID=1
ID_NET_NAME_ALLOW_IFLINK=1
ID_NET_NAME_ALLOW_INDEX=1
ID_NET_NAME_ALLOW_LABEL=1
ID_NET_NAME_ALLOW_PHYS_PORT_NAME=1
ID_NET_NAME_ALLOW_TYPE=1
(cherry picked from commit 3b2e7dc)
Resolves: RHEL-1317