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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-07-22 17:10:57 -0300
committerCarlos O'Donell <carlos@redhat.com>2022-03-29 17:01:50 -0400
commite6e3d4cd26cc99fead24265d4461741d8eaeaf32 (patch)
tree8b12a0c6d5d5397146bb95595c9252eaa9b93483 /elf
parent416fbda1c1c33780c72303ccff99d4b48e2bbcad (diff)
downloadglibc-e6e3d4cd26cc99fead24265d4461741d8eaeaf32.tar.gz
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> (cherry picked from commit 0b98a8748759e88b58927882a8714109abe0a2d6)
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 164682eaea..bb6697647b 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -58,7 +58,7 @@ 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)
{