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filter: simplify CDC_WDM rule to a subsystem-only USBMISC check

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This is not just a rename of the rule, we also now avoid doing an
explicit check on the port name as well, and we rely on subsystem
checks only; i.e. the same logic applied for net ports.

The port candidate rules already do a 'cdc-wdm*' device name check
so it shouldn't be a big deal.
This commit is contained in:
Aleksander Morgado
2020-11-06 12:14:49 +01:00
parent 5265c0bd7c
commit 5df9ddac18
3 changed files with 17 additions and 18 deletions
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16
docs/reference/api/ModemManager-overview.xml
View File

@@ -159,10 +159,10 @@ $ sudo udevadm trigger
</para>
</listitem>
<listitem>
<para><emphasis>MM_FILTER_RULE_CDC_WDM</emphasis></para>
<para><emphasis>MM_FILTER_RULE_USBMISC</emphasis></para>
<para>
This filter will automatically flag as allowed all cdc-wdm ports exposed by
devices. Unless there is a will to explicitly forbid the cdc-wdm ports exposed
This filter will automatically flag as allowed all cdc-wdm ports exposed in the
usbmisc subsystem. Unless there is a will to explicitly forbid the cdc-wdm ports exposed
by qmi_wwan, cdc_mbim or huawei-cdc-ncm kernel drivers, this filter should always
be enabled.
</para>
@@ -254,7 +254,7 @@ $ sudo udevadm trigger
<listitem>MM_FILTER_RULE_EXPLICIT_BLACKLIST</listitem>
<listitem>MM_FILTER_RULE_VIRTUAL</listitem>
<listitem>MM_FILTER_RULE_NET</listitem>
<listitem>MM_FILTER_RULE_CDC_WDM</listitem>
<listitem>MM_FILTER_RULE_USBMISC</listitem>
<listitem>MM_FILTER_RULE_TTY</listitem>
<listitem>MM_FILTER_RULE_TTY_BLACKLIST</listitem>
<listitem>MM_FILTER_RULE_TTY_MANUAL_SCAN_ONLY</listitem>
@@ -280,7 +280,7 @@ $ sudo udevadm trigger
<listitem>MM_FILTER_RULE_EXPLICIT_BLACKLIST</listitem>
<listitem>MM_FILTER_RULE_VIRTUAL</listitem>
<listitem>MM_FILTER_RULE_NET</listitem>
<listitem>MM_FILTER_RULE_CDC_WDM</listitem>
<listitem>MM_FILTER_RULE_USBMISC</listitem>
<listitem>MM_FILTER_RULE_TTY</listitem>
<listitem>MM_FILTER_RULE_TTY_PLATFORM_DRIVER</listitem>
<listitem>MM_FILTER_RULE_TTY_DRIVER</listitem>
@@ -307,7 +307,7 @@ $ sudo udevadm trigger
<listitem>MM_FILTER_RULE_EXPLICIT_BLACKLIST</listitem>
<listitem>MM_FILTER_RULE_VIRTUAL</listitem>
<listitem>MM_FILTER_RULE_NET</listitem>
<listitem>MM_FILTER_RULE_CDC_WDM</listitem>
<listitem>MM_FILTER_RULE_USBMISC</listitem>
<listitem>MM_FILTER_RULE_TTY</listitem>
<listitem>MM_FILTER_RULE_TTY_BLACKLIST</listitem>
<listitem>MM_FILTER_RULE_TTY_MANUAL_SCAN_ONLY</listitem>
@@ -339,7 +339,7 @@ $ sudo udevadm trigger
net and cdc-wdm ports forbidden completely:
<programlisting>
# MM_FILTER_RULE_NET=0 \
MM_FILTER_RULE_CDC_WDM=0 \
MM_FILTER_RULE_USBMISC=0 \
/usr/sbin/ModemManager --filter-policy=DEFAULT</programlisting>
</para>
<para>
@@ -348,7 +348,7 @@ $ sudo udevadm trigger
net ports (e.g. 'lo') are also being allowed.
<programlisting>
# MM_FILTER_RULE_NET=1 \
MM_FILTER_RULE_CDC_WDM=1 \
MM_FILTER_RULE_USBMISC=1 \
/usr/sbin/ModemManager --filter-policy=WHITELIST-ONLY</programlisting>
</para>
</listitem>