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- backport unshare fix from upstream and extend it a bit

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OBS-URL: https://build.opensuse.org/package/show/Base:System/rpm?expand=0&rev=680
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Michael Schröder 2024-12-16 13:59:23 +00:00 committed by Git OBS Bridge
parent b01ea491c0
commit cfcc684186
3 changed files with 21 additions and 7 deletions
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2
macrosin.diff
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@ -5,7 +5,7 @@
%_builddir %{_topdir}/BUILD
+# The build root where built files will be installed into
+%buildroot %{_builddir}/%{NAME}-%{VERSION}-%{_arch}/BUILDROOT
+%buildroot %{_builddir}/%{NAME}-%{VERSION}-build/BUILDROOT
+
# The interpreter used for build scriptlets.
%_buildshell /bin/sh

2
rpm.changes
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@ -24,7 +24,7 @@ Mon Dec 16 11:55:23 CET 2024 - mls@suse.de
* 0002-log-build-time-if-it-is-set-from-SOURCE_DATE_EPOCH.patch
* 0003-Error-out-on-a-missing-changelog-date.patch
- add compatibility %buildroot definition
- backport unshare fix from upstream
- backport unshare fix from upstream and extend it a bit
* new patch: unshare.diff
-------------------------------------------------------------------

24
unshare.diff
View File

@ -1,5 +1,5 @@
--- docs/man/rpm-plugin-unshare.8.md.orig 2024-10-07 09:35:46.000000000 +0000
+++ docs/man/rpm-plugin-unshare.8.md 2024-12-16 12:57:40.781754250 +0000
+++ docs/man/rpm-plugin-unshare.8.md 2024-12-16 13:28:44.597787315 +0000
@@ -27,6 +27,11 @@ This plugin implements the following con
execution. Typical examples would be `/tmp` to protect against
insecure temporary file usage inside scriptlets, and `/home` to
@ -13,8 +13,22 @@
`%__transaction_unshare_nonet`
--- plugins/unshare.c.orig 2024-10-07 09:35:46.000000000 +0000
+++ plugins/unshare.c 2024-12-16 12:57:40.781754250 +0000
@@ -19,8 +19,18 @@ static rpmRC unshare_init(rpmPlugin plug
+++ plugins/unshare.c 2024-12-16 13:52:31.530793880 +0000
@@ -15,12 +15,32 @@
static ARGV_t private_mounts = NULL;
static int unshare_flags = 0;
+static int in_chroot()
+{
+ struct stat sta, stb;
+ if (stat("/", &sta))
+ return 0;
+ if (stat("/proc/1/root", &stb))
+ return 1; /* proc not mounted, assume chroot */
+ return sta.st_dev == stb.st_dev && sta.st_ino == stb.st_ino ? 0 : 1;
+}
+
static rpmRC unshare_init(rpmPlugin plugin, rpmts ts)
{
char *paths = rpmExpand("%{?__transaction_unshare_paths}", NULL);
private_mounts = argvSplitString(paths, ":", ARGV_SKIPEMPTY);
@ -25,7 +39,7 @@
+ * Changing mount propagation from inside a chroot fails if the root
+ * is not also a mount point, disable for now.
+ */
+ if (strcmp(rpmtsRootDir(ts), "/")) {
+ if (strcmp(rpmtsRootDir(ts), "/") || in_chroot()) {
+ rpmlog(RPMLOG_WARNING,
+ "private mounts in chroot not implemented\n");
+ } else {
@ -35,7 +49,7 @@
free(paths);
if (rpmExpandNumeric("%{?__transaction_unshare_nonet}"))
@@ -47,9 +57,10 @@ static rpmRC unshare_scriptlet_fork_post
@@ -47,9 +67,10 @@ static rpmRC unshare_scriptlet_fork_post
goto exit;
}