From e6e3d4cd26cc99fead24265d4461741d8eaeaf32 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Thu, 22 Jul 2021 17:10:57 -0300 Subject: 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 (cherry picked from commit 0b98a8748759e88b58927882a8714109abe0a2d6) --- elf/Versions | 2 +- elf/dl-audit.c | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) (limited to 'elf') 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 @@ -108,6 +108,21 @@ _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) -- cgit v1.2.1