diff options
Diffstat (limited to 'meta/recipes-core/systemd/systemd/0001-tmpfiles-avoid-creating-duplicate-acl-entries.patch')
| -rw-r--r-- | meta/recipes-core/systemd/systemd/0001-tmpfiles-avoid-creating-duplicate-acl-entries.patch | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/meta/recipes-core/systemd/systemd/0001-tmpfiles-avoid-creating-duplicate-acl-entries.patch b/meta/recipes-core/systemd/systemd/0001-tmpfiles-avoid-creating-duplicate-acl-entries.patch new file mode 100644 index 0000000000..6652e28e23 --- /dev/null +++ b/meta/recipes-core/systemd/systemd/0001-tmpfiles-avoid-creating-duplicate-acl-entries.patch @@ -0,0 +1,134 @@ +Upstream-Status: Backport +Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca> + +From 33d36e28b0a23fb7ac33435a1329d65bff1ba4ec Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl> +Date: Mon, 23 Feb 2015 23:19:54 -0500 +Subject: [PATCH] tmpfiles: avoid creating duplicate acl entries + +https://bugs.freedesktop.org/show_bug.cgi?id=89202 +https://bugs.debian.org/778656 + +Status quo ante can be restored with: + getfacl -p /var/log/journal/`cat /etc/machine-id`|grep -v '^#'|sort -u|sudo setfacl --set-file=- /var/log/journal/`cat /etc/machine-id` + +(cherry picked from commit 1c73f3bc29111a00738569c9d40a989b161a0624) +--- + src/shared/acl-util.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++-- + src/shared/acl-util.h | 4 +++ + 2 files changed, 81 insertions(+), 2 deletions(-) + +diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c +index a4ff1ab..cbe09d7 100644 +--- a/src/shared/acl-util.c ++++ b/src/shared/acl-util.c +@@ -282,6 +282,77 @@ int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask) + return 0; + } + ++static int acl_entry_equal(acl_entry_t a, acl_entry_t b) { ++ acl_tag_t tag_a, tag_b; ++ ++ if (acl_get_tag_type(a, &tag_a) < 0) ++ return -errno; ++ ++ if (acl_get_tag_type(b, &tag_b) < 0) ++ return -errno; ++ ++ if (tag_a != tag_b) ++ return false; ++ ++ switch (tag_a) { ++ case ACL_USER_OBJ: ++ case ACL_GROUP_OBJ: ++ case ACL_MASK: ++ case ACL_OTHER: ++ /* can have only one of those */ ++ return true; ++ case ACL_USER: { ++ _cleanup_(acl_free_uid_tpp) uid_t *uid_a, *uid_b; ++ ++ uid_a = acl_get_qualifier(a); ++ if (!uid_a) ++ return -errno; ++ ++ uid_b = acl_get_qualifier(b); ++ if (!uid_b) ++ return -errno; ++ ++ return *uid_a == *uid_b; ++ } ++ case ACL_GROUP: { ++ _cleanup_(acl_free_gid_tpp) gid_t *gid_a, *gid_b; ++ ++ gid_a = acl_get_qualifier(a); ++ if (!gid_a) ++ return -errno; ++ ++ gid_b = acl_get_qualifier(b); ++ if (!gid_b) ++ return -errno; ++ ++ return *gid_a == *gid_b; ++ } ++ default: ++ assert_not_reached("Unknown acl tag type"); ++ } ++} ++ ++static int find_acl_entry(acl_t acl, acl_entry_t entry, acl_entry_t *out) { ++ acl_entry_t i; ++ int r; ++ ++ for (r = acl_get_entry(acl, ACL_FIRST_ENTRY, &i); ++ r > 0; ++ r = acl_get_entry(acl, ACL_NEXT_ENTRY, &i)) { ++ ++ r = acl_entry_equal(i, entry); ++ if (r < 0) ++ return r; ++ if (r > 0) { ++ *out = i; ++ return 1; ++ } ++ } ++ if (r < 0) ++ return -errno; ++ return 0; ++} ++ + int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl) { + _cleanup_(acl_freep) acl_t old; + acl_entry_t i; +@@ -297,8 +368,12 @@ int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl) { + + acl_entry_t j; + +- if (acl_create_entry(&old, &j) < 0) +- return -errno; ++ r = find_acl_entry(old, i, &j); ++ if (r < 0) ++ return r; ++ if (r == 0) ++ if (acl_create_entry(&old, &j) < 0) ++ return -errno; + + if (acl_copy_entry(j, i) < 0) + return -errno; +diff --git a/src/shared/acl-util.h b/src/shared/acl-util.h +index 90e88ff..fdb9006 100644 +--- a/src/shared/acl-util.h ++++ b/src/shared/acl-util.h +@@ -41,5 +41,9 @@ int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl); + DEFINE_TRIVIAL_CLEANUP_FUNC(acl_t, acl_free); + #define acl_free_charp acl_free + DEFINE_TRIVIAL_CLEANUP_FUNC(char*, acl_free_charp); ++#define acl_free_uid_tp acl_free ++DEFINE_TRIVIAL_CLEANUP_FUNC(uid_t*, acl_free_uid_tp); ++#define acl_free_gid_tp acl_free ++DEFINE_TRIVIAL_CLEANUP_FUNC(gid_t*, acl_free_gid_tp); + + #endif +-- +2.3.1 + |