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Support global sysext/confext in systemd-stub/systemd-sysext (#38113)

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Systemd-stub supports loading addons, credentials, system and
configuration
extensions from ESP and while addons and credentials can be both global
and
per-UKI, sysext/confext are only per-UKI. 

Add support for global sysext/confext to systemd-stub/systemd-sysext.

Fixes #37993
This commit is contained in:
Lennart Poettering
2025-07-11 21:10:51 +02:00
committed by GitHub
parent aac7e892e4 8d07a8d6b1
commit b2f23bd2b1
6 changed files with 83 additions and 9 deletions
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src/shared/discover-image.c
+6 -4
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@@ -76,20 +76,22 @@ const char* const image_search_path[_IMAGE_CLASS_MAX] = {
"/usr/lib/confexts\0",
};
/* Inside the initrd, use a slightly different set of search path (i.e. include .extra/sysext/ and
* .extra/confext/ in extension search dir) */
/* Inside the initrd, use a slightly different set of search path (i.e. include .extra/sysext/,
* /.extra/global_sysext, .extra/confext/, and /.extra/global_confext in extension search dir) */
static const char* const image_search_path_initrd[_IMAGE_CLASS_MAX] = {
/* (entries that aren't listed here will get the same search path as for the non initrd-case) */
[IMAGE_SYSEXT] = "/etc/extensions\0" /* only place symlinks here */
"/run/extensions\0" /* and here too */
"/var/lib/extensions\0" /* the main place for images */
"/.extra/sysext\0", /* put sysext picked up by systemd-stub last, since not trusted */
"/.extra/sysext\0" /* put sysext (per-UKI and global) picked up by systemd-stub */
"/.extra/global_sysext\0", /* last, since not trusted */
[IMAGE_CONFEXT] = "/run/confexts\0" /* only place symlinks here */
"/var/lib/confexts\0" /* the main place for images */
"/usr/local/lib/confexts\0"
"/.extra/confext\0", /* put confext picked up by systemd-stub last, since not trusted */
"/.extra/confext\0" /* put confext (per-UKI and global) picked up by systemd-stub */
"/.extra/global_confext\0", /* last, since not trusted. */
};
static const char* image_class_suffix_table[_IMAGE_CLASS_MAX] = {