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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-07-22 17:10:57 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-12-28 08:40:38 -0300
commit0b98a8748759e88b58927882a8714109abe0a2d6 (patch)
treeeadfe6e15cfb23f76e952ea1c8fb4049c33564b9 /elf
parentcda4f265c65fb6c4ce38ca1cf0a7e527c5e77cd5 (diff)
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elf: Add _dl_audit_preinit
It consolidates the code required to call la_preinit audit
callback.

Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
Diffstat (limited to 'elf')
-rw-r--r--elf/Versions2
-rw-r--r--elf/dl-audit.c15
2 files changed, 16 insertions, 1 deletions
diff --git a/elf/Versions b/elf/Versions
index 25e91339b5..bfe1aec293 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -55,7 +55,7 @@ ld {
     _dl_argv; _dl_find_dso_for_object; _dl_get_tls_static_info;
     _dl_deallocate_tls; _dl_make_stack_executable;
     _dl_rtld_di_serinfo; _dl_starting_up; _dl_fatal_printf;
-    _dl_audit_symbind_alt;
+    _dl_audit_symbind_alt; _dl_audit_preinit;
     _rtld_global; _rtld_global_ro;
 
     # Only here for gdb while a better method is developed.
diff --git a/elf/dl-audit.c b/elf/dl-audit.c
index a21530f30b..0b6fac8e48 100644
--- a/elf/dl-audit.c
+++ b/elf/dl-audit.c
@@ -109,6 +109,21 @@ _dl_audit_objclose (struct link_map *l)
 }
 
 void
+_dl_audit_preinit (struct link_map *l)
+{
+  if (__glibc_likely (GLRO(dl_naudit) == 0))
+    return;
+
+  struct audit_ifaces *afct = GLRO(dl_audit);
+  for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
+    {
+      if (afct->preinit != NULL)
+	afct->preinit (&link_map_audit_state (l, cnt)->cookie);
+      afct = afct->next;
+    }
+}
+
+void
 _dl_audit_symbind_alt (struct link_map *l, const ElfW(Sym) *ref, void **value,
 		       lookup_t result)
 {