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File _service:tar_scm:0016-login-Check-default-sizes-of-structs-utmp-utmpx-last.patch of Package glibc
From 78d9f91da6682f4073f05abaf309e4ca2b746003 Mon Sep 17 00:00:00 2001 From: Florian Weimer <fweimer@redhat.com> Date: Fri, 19 Apr 2024 14:38:17 +0200 Subject: [PATCH 16/26] login: Check default sizes of structs utmp, utmpx, lastlog The default <utmp-size.h> is for ports with a 64-bit time_t. Ports with a 32-bit time_t or with __WORDSIZE_TIME64_COMPAT32=1 need to override it. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> (cherry picked from commit 4d4da5aab936504b2d3eca3146e109630d9093c4) --- login/Makefile | 2 +- login/tst-utmp-size.c | 33 +++++++++++++++++++++++++++++++++ sysdeps/arc/utmp-size.h | 3 +++ sysdeps/arm/utmp-size.h | 2 ++ sysdeps/csky/utmp-size.h | 2 ++ sysdeps/generic/utmp-size.h | 23 +++++++++++++++++++++++ sysdeps/hppa/utmp-size.h | 2 ++ sysdeps/m68k/utmp-size.h | 3 +++ sysdeps/microblaze/utmp-size.h | 2 ++ sysdeps/mips/utmp-size.h | 2 ++ sysdeps/nios2/utmp-size.h | 2 ++ sysdeps/or1k/utmp-size.h | 3 +++ sysdeps/powerpc/utmp-size.h | 2 ++ sysdeps/riscv/utmp-size.h | 2 ++ sysdeps/sh/utmp-size.h | 2 ++ sysdeps/sparc/utmp-size.h | 2 ++ sysdeps/x86/utmp-size.h | 2 ++ 17 files changed, 88 insertions(+), 1 deletion(-) create mode 100644 login/tst-utmp-size.c create mode 100644 sysdeps/arc/utmp-size.h create mode 100644 sysdeps/arm/utmp-size.h create mode 100644 sysdeps/csky/utmp-size.h create mode 100644 sysdeps/generic/utmp-size.h create mode 100644 sysdeps/hppa/utmp-size.h create mode 100644 sysdeps/m68k/utmp-size.h create mode 100644 sysdeps/microblaze/utmp-size.h create mode 100644 sysdeps/mips/utmp-size.h create mode 100644 sysdeps/nios2/utmp-size.h create mode 100644 sysdeps/or1k/utmp-size.h create mode 100644 sysdeps/powerpc/utmp-size.h create mode 100644 sysdeps/riscv/utmp-size.h create mode 100644 sysdeps/sh/utmp-size.h create mode 100644 sysdeps/sparc/utmp-size.h create mode 100644 sysdeps/x86/utmp-size.h diff --git a/login/Makefile b/login/Makefile index 74216cbcb2..1cca663769 100644 --- a/login/Makefile +++ b/login/Makefile @@ -44,7 +44,7 @@ subdir-dirs = programs vpath %.c programs tests := tst-utmp tst-utmpx tst-grantpt tst-ptsname tst-getlogin tst-updwtmpx \ - tst-pututxline-lockfail tst-pututxline-cache + tst-pututxline-lockfail tst-pututxline-cache tst-utmp-size # Empty compatibility library for old binaries. extra-libs := libutil diff --git a/login/tst-utmp-size.c b/login/tst-utmp-size.c new file mode 100644 index 0000000000..1b7f7ff042 --- /dev/null +++ b/login/tst-utmp-size.c @@ -0,0 +1,33 @@ +/* Check expected sizes of struct utmp, struct utmpx, struct lastlog. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <utmp.h> +#include <utmpx.h> +#include <utmp-size.h> + +static int +do_test (void) +{ + _Static_assert (sizeof (struct utmp) == UTMP_SIZE, "struct utmp size"); + _Static_assert (sizeof (struct utmpx) == UTMP_SIZE, "struct utmpx size"); + _Static_assert (sizeof (struct lastlog) == LASTLOG_SIZE, + "struct lastlog size"); + return 0; +} + +#include <support/test-driver.c> diff --git a/sysdeps/arc/utmp-size.h b/sysdeps/arc/utmp-size.h new file mode 100644 index 0000000000..a247fcd3da --- /dev/null +++ b/sysdeps/arc/utmp-size.h @@ -0,0 +1,3 @@ +/* arc has less padding than other architectures with 64-bit time_t. */ +#define UTMP_SIZE 392 +#define LASTLOG_SIZE 296 diff --git a/sysdeps/arm/utmp-size.h b/sysdeps/arm/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/arm/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/csky/utmp-size.h b/sysdeps/csky/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/csky/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/generic/utmp-size.h b/sysdeps/generic/utmp-size.h new file mode 100644 index 0000000000..89dbe878b0 --- /dev/null +++ b/sysdeps/generic/utmp-size.h @@ -0,0 +1,23 @@ +/* Expected sizes of utmp-related structures stored in files. 64-bit version. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +/* Expected size, in bytes, of struct utmp and struct utmpx. */ +#define UTMP_SIZE 400 + +/* Expected size, in bytes, of struct lastlog. */ +#define LASTLOG_SIZE 296 diff --git a/sysdeps/hppa/utmp-size.h b/sysdeps/hppa/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/hppa/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/m68k/utmp-size.h b/sysdeps/m68k/utmp-size.h new file mode 100644 index 0000000000..5946685819 --- /dev/null +++ b/sysdeps/m68k/utmp-size.h @@ -0,0 +1,3 @@ +/* m68k has 2-byte alignment. */ +#define UTMP_SIZE 382 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/microblaze/utmp-size.h b/sysdeps/microblaze/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/microblaze/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/mips/utmp-size.h b/sysdeps/mips/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/mips/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/nios2/utmp-size.h b/sysdeps/nios2/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/nios2/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/or1k/utmp-size.h b/sysdeps/or1k/utmp-size.h new file mode 100644 index 0000000000..6b3653aa4d --- /dev/null +++ b/sysdeps/or1k/utmp-size.h @@ -0,0 +1,3 @@ +/* or1k has less padding than other architectures with 64-bit time_t. */ +#define UTMP_SIZE 392 +#define LASTLOG_SIZE 296 diff --git a/sysdeps/powerpc/utmp-size.h b/sysdeps/powerpc/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/powerpc/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/riscv/utmp-size.h b/sysdeps/riscv/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/riscv/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/sh/utmp-size.h b/sysdeps/sh/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/sh/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/sparc/utmp-size.h b/sysdeps/sparc/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/sparc/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 diff --git a/sysdeps/x86/utmp-size.h b/sysdeps/x86/utmp-size.h new file mode 100644 index 0000000000..8f21ebe1b6 --- /dev/null +++ b/sysdeps/x86/utmp-size.h @@ -0,0 +1,2 @@ +#define UTMP_SIZE 384 +#define LASTLOG_SIZE 292 -- 2.33.0
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