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-rw-r--r--src/journal/journald-server.c57
-rw-r--r--src/journal/journald-server.h1
-rw-r--r--src/shared/acl-util.c31
-rw-r--r--src/shared/acl-util.h1
4 files changed, 41 insertions, 49 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index 7d11a568aa..97c5820c75 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -204,58 +204,19 @@ static int determine_space(Server *s, bool verbose, bool patch_min_use, uint64_t
return determine_space_for(s, metrics, path, name, verbose, patch_min_use, available, limit);
}
-void server_fix_perms(Server *s, JournalFile *f, uid_t uid) {
- int r;
+static void server_add_acls(JournalFile *f, uid_t uid) {
#ifdef HAVE_ACL
- _cleanup_(acl_freep) acl_t acl = NULL;
- acl_entry_t entry;
- acl_permset_t permset;
+ int r;
#endif
-
assert(f);
- r = fchmod(f->fd, 0640);
- if (r < 0)
- log_warning_errno(errno, "Failed to fix access mode on %s, ignoring: %m", f->path);
-
#ifdef HAVE_ACL
if (uid <= SYSTEM_UID_MAX)
return;
- acl = acl_get_fd(f->fd);
- if (!acl) {
- log_warning_errno(errno, "Failed to read ACL on %s, ignoring: %m", f->path);
- return;
- }
-
- r = acl_find_uid(acl, uid, &entry);
- if (r <= 0) {
-
- if (acl_create_entry(&acl, &entry) < 0 ||
- acl_set_tag_type(entry, ACL_USER) < 0 ||
- acl_set_qualifier(entry, &uid) < 0) {
- log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
- return;
- }
- }
-
- /* We do not recalculate the mask unconditionally here,
- * so that the fchmod() mask above stays intact. */
- if (acl_get_permset(entry, &permset) < 0 ||
- acl_add_perm(permset, ACL_READ) < 0) {
- log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
- return;
- }
-
- r = calc_acl_mask_if_needed(&acl);
- if (r < 0) {
- log_warning_errno(r, "Failed to patch ACL on %s, ignoring: %m", f->path);
- return;
- }
-
- if (acl_set_fd(f->fd, acl) < 0)
- log_warning_errno(errno, "Failed to set ACL on %s, ignoring: %m", f->path);
-
+ r = add_acls_for_user(f->fd, uid);
+ if (r < 0)
+ log_warning_errno(r, "Failed to set ACL on %s, ignoring: %m", f->path);
#endif
}
@@ -301,7 +262,7 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
if (r < 0)
return s->system_journal;
- server_fix_perms(s, f, uid);
+ server_add_acls(f, uid);
r = ordered_hashmap_put(s->user_journals, UID_TO_PTR(uid), f);
if (r < 0) {
@@ -332,7 +293,7 @@ static int do_rotate(
else
log_error_errno(r, "Failed to create new %s journal: %m", name);
else
- server_fix_perms(s, *f, uid);
+ server_add_acls(*f, uid);
return r;
}
@@ -971,7 +932,7 @@ static int system_journal_open(Server *s, bool flush_requested) {
fn = strjoina(fn, "/system.journal");
r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);
if (r >= 0) {
- server_fix_perms(s, s->system_journal, 0);
+ server_add_acls(s->system_journal, 0);
(void) determine_space_for(s, &s->system_metrics, "/var/log/journal/", "System journal", true, true, NULL, NULL);
} else if (r < 0) {
if (r != -ENOENT && r != -EROFS)
@@ -1015,7 +976,7 @@ static int system_journal_open(Server *s, bool flush_requested) {
}
if (s->runtime_journal) {
- server_fix_perms(s, s->runtime_journal, 0);
+ server_add_acls(s->runtime_journal, 0);
(void) determine_space_for(s, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", true, true, NULL, NULL);
}
}
diff --git a/src/journal/journald-server.h b/src/journal/journald-server.h
index dcc21bb7c3..1822765228 100644
--- a/src/journal/journald-server.h
+++ b/src/journal/journald-server.h
@@ -174,7 +174,6 @@ int config_parse_split_mode(const char *unit, const char *filename, unsigned lin
const char *split_mode_to_string(SplitMode s) _const_;
SplitMode split_mode_from_string(const char *s) _pure_;
-void server_fix_perms(Server *s, JournalFile *f, uid_t uid);
int server_init(Server *s);
void server_done(Server *s);
void server_sync(Server *s);
diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c
index 35f2e1b67d..9f3b1ff51c 100644
--- a/src/shared/acl-util.c
+++ b/src/shared/acl-util.c
@@ -398,3 +398,34 @@ int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl) {
old = NULL;
return 0;
}
+
+int add_acls_for_user(int fd, uid_t uid) {
+ _cleanup_(acl_freep) acl_t acl = NULL;
+ acl_entry_t entry;
+ acl_permset_t permset;
+ int r;
+
+ acl = acl_get_fd(fd);
+ if (!acl)
+ return -errno;
+
+ r = acl_find_uid(acl, uid, &entry);
+ if (r <= 0) {
+ if (acl_create_entry(&acl, &entry) < 0 ||
+ acl_set_tag_type(entry, ACL_USER) < 0 ||
+ acl_set_qualifier(entry, &uid) < 0)
+ return -errno;
+ }
+
+ /* We do not recalculate the mask unconditionally here,
+ * so that the fchmod() mask above stays intact. */
+ if (acl_get_permset(entry, &permset) < 0 ||
+ acl_add_perm(permset, ACL_READ) < 0)
+ return -errno;
+
+ r = calc_acl_mask_if_needed(&acl);
+ if (r < 0)
+ return r;
+
+ return acl_set_fd(fd, acl);
+}
diff --git a/src/shared/acl-util.h b/src/shared/acl-util.h
index 256a6a5900..1d7f45e2a8 100644
--- a/src/shared/acl-util.h
+++ b/src/shared/acl-util.h
@@ -35,6 +35,7 @@ int add_base_acls_if_needed(acl_t *acl_p, const char *path);
int acl_search_groups(const char* path, char ***ret_groups);
int parse_acl(const char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask);
int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl);
+int add_acls_for_user(int fd, uid_t uid);
/* acl_free takes multiple argument types.
* Multiple cleanup functions are necessary. */
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-10 07:08:25 +0000