You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
3.5 KiB
123 lines
3.5 KiB
9 months ago
|
commit 311c9ee54ea963ff69bd3a2e6981c37e893b4c3e
|
||
|
|
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
|
||
|
|
Date: Tue Jul 20 14:04:51 2021 -0300
|
||
|
|
|
||
|
|
elf: Add _dl_audit_objclose
|
||
|
|
|
||
|
|
It consolidates the code required to call la_objclose audit
|
||
|
|
callback.
|
||
|
|
|
||
|
|
Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.
|
||
|
|
|
||
|
|
Reviewed-by: Florian Weimer <fweimer@redhat.com>
|
||
|
|
|
||
|
|
diff --git a/elf/dl-audit.c b/elf/dl-audit.c
|
||
|
|
index 5682427220569d90..cb1c3de93cba447b 100644
|
||
|
|
--- a/elf/dl-audit.c
|
||
|
|
+++ b/elf/dl-audit.c
|
||
|
|
@@ -85,3 +85,24 @@ _dl_audit_objopen (struct link_map *l, Lmid_t nsid)
|
||
|
|
afct = afct->next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
+
|
||
|
|
+void
|
||
|
|
+_dl_audit_objclose (struct link_map *l)
|
||
|
|
+{
|
||
|
|
+ if (__glibc_likely (GLRO(dl_naudit) == 0)
|
||
|
|
+ || GL(dl_ns)[l->l_ns]._ns_loaded->l_auditing)
|
||
|
|
+ return;
|
||
|
|
+
|
||
|
|
+ struct audit_ifaces *afct = GLRO(dl_audit);
|
||
|
|
+ for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
||
|
|
+ {
|
||
|
|
+ if (afct->objclose != NULL)
|
||
|
|
+ {
|
||
|
|
+ struct auditstate *state= link_map_audit_state (l, cnt);
|
||
|
|
+ /* Return value is ignored. */
|
||
|
|
+ afct->objclose (&state->cookie);
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
+ afct = afct->next;
|
||
|
|
+ }
|
||
|
|
+}
|
||
|
|
diff --git a/elf/dl-close.c b/elf/dl-close.c
|
||
|
|
index 1ba594b600c4c87a..74ca9a85dd309780 100644
|
||
|
|
--- a/elf/dl-close.c
|
||
|
|
+++ b/elf/dl-close.c
|
||
|
|
@@ -266,9 +266,6 @@ _dl_close_worker (struct link_map *map, bool force)
|
||
|
|
used + (nsid == LM_ID_BASE), true);
|
||
|
|
|
||
|
|
/* Call all termination functions at once. */
|
||
|
|
-#ifdef SHARED
|
||
|
|
- bool do_audit = GLRO(dl_naudit) > 0 && !ns->_ns_loaded->l_auditing;
|
||
|
|
-#endif
|
||
|
|
bool unload_any = false;
|
||
|
|
bool scope_mem_left = false;
|
||
|
|
unsigned int unload_global = 0;
|
||
|
|
@@ -302,22 +299,7 @@ _dl_close_worker (struct link_map *map, bool force)
|
||
|
|
|
||
|
|
#ifdef SHARED
|
||
|
|
/* Auditing checkpoint: we remove an object. */
|
||
|
|
- if (__glibc_unlikely (do_audit))
|
||
|
|
- {
|
||
|
|
- struct audit_ifaces *afct = GLRO(dl_audit);
|
||
|
|
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
||
|
|
- {
|
||
|
|
- if (afct->objclose != NULL)
|
||
|
|
- {
|
||
|
|
- struct auditstate *state
|
||
|
|
- = link_map_audit_state (imap, cnt);
|
||
|
|
- /* Return value is ignored. */
|
||
|
|
- (void) afct->objclose (&state->cookie);
|
||
|
|
- }
|
||
|
|
-
|
||
|
|
- afct = afct->next;
|
||
|
|
- }
|
||
|
|
- }
|
||
|
|
+ _dl_audit_objclose (imap);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* This object must not be used anymore. */
|
||
|
|
diff --git a/elf/dl-fini.c b/elf/dl-fini.c
|
||
|
|
index 915ceb104e1c81d6..e102d93647cb8c47 100644
|
||
|
|
--- a/elf/dl-fini.c
|
||
|
|
+++ b/elf/dl-fini.c
|
||
|
|
@@ -146,21 +146,7 @@ _dl_fini (void)
|
||
|
|
|
||
|
|
#ifdef SHARED
|
||
|
|
/* Auditing checkpoint: another object closed. */
|
||
|
|
- if (!do_audit && __builtin_expect (GLRO(dl_naudit) > 0, 0))
|
||
|
|
- {
|
||
|
|
- struct audit_ifaces *afct = GLRO(dl_audit);
|
||
|
|
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
||
|
|
- {
|
||
|
|
- if (afct->objclose != NULL)
|
||
|
|
- {
|
||
|
|
- struct auditstate *state
|
||
|
|
- = link_map_audit_state (l, cnt);
|
||
|
|
- /* Return value is ignored. */
|
||
|
|
- (void) afct->objclose (&state->cookie);
|
||
|
|
- }
|
||
|
|
- afct = afct->next;
|
||
|
|
- }
|
||
|
|
- }
|
||
|
|
+ _dl_audit_objclose (l);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
|
||
|
|
index da83e717e8cd8e0b..3db25c5be1acf871 100644
|
||
|
|
--- a/sysdeps/generic/ldsodefs.h
|
||
|
|
+++ b/sysdeps/generic/ldsodefs.h
|
||
|
|
@@ -1290,6 +1290,10 @@ void _dl_audit_activity_nsid (Lmid_t nsid, int action)
|
||
|
|
namespace identification NSID. */
|
||
|
|
void _dl_audit_objopen (struct link_map *l, Lmid_t nsid)
|
||
|
|
attribute_hidden;
|
||
|
|
+
|
||
|
|
+/* Call the la_objclose from the audit modules for the link_map L. */
|
||
|
|
+void _dl_audit_objclose (struct link_map *l)
|
||
|
|
+ attribute_hidden;
|
||
|
|
#endif /* SHARED */
|
||
|
|
|
||
|
|
__END_DECLS
|