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File _service:tar_scm_kernel_repo:backport-0001-CVE-2022-42898.patch of Package samba
From 90fbe4af03e9063cb29a1d026d18fefd6c767c7d Mon Sep 17 00:00:00 2001 From: Nicolas Williams <nico@twosigma.com> Date: Thu, 21 May 2015 14:05:31 -0500 Subject: [PATCH 1/4] CVE-2022-42898 source4/heimdal: Add bswap64() BUG: https://bugzilla.samba.org/show_bug.cgi?id=15203 [jsutton@samba.org backported from Heimdal commit 0271b171e5331f0f562319b887f5f0b058ecc9b4; removed changes to cf/roken-frag.m4 that we don't have] --- source4/heimdal/lib/roken/bswap.c | 17 +++++++++++++++++ source4/heimdal/lib/roken/roken.h.in | 5 +++++ source4/heimdal/lib/roken/version-script.map | 1 + 3 files changed, 23 insertions(+) diff --git a/source4/heimdal/lib/roken/bswap.c b/source4/heimdal/lib/roken/bswap.c index 7f8c1c22b1b..b0c4248da11 100644 --- a/source4/heimdal/lib/roken/bswap.c +++ b/source4/heimdal/lib/roken/bswap.c @@ -34,6 +34,23 @@ #include <config.h> #include "roken.h" +#ifndef HAVE_BSWAP64 + +ROKEN_LIB_FUNCTION uint64_t ROKEN_LIB_CALL +bswap64 (uint64_t val) +{ + return + (val & 0xffULL) << 56 | + (val & 0xff00ULL) << 40 | + (val & 0xff0000ULL) << 24 | + (val & 0xff000000ULL) << 8 | + (val & 0xff00000000ULL) >> 8 | + (val & 0xff0000000000ULL) >> 24 | + (val & 0xff000000000000ULL) >> 40 | + (val & 0xff00000000000000ULL) >> 56 ; +} +#endif + #ifndef HAVE_BSWAP32 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL diff --git a/source4/heimdal/lib/roken/roken.h.in b/source4/heimdal/lib/roken/roken.h.in index a6299aee8e5..13a5d943ba2 100644 --- a/source4/heimdal/lib/roken/roken.h.in +++ b/source4/heimdal/lib/roken/roken.h.in @@ -696,6 +696,11 @@ ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL pidfile (const char*); #endif #endif +#ifndef HAVE_BSWAP64 +#define bswap64 rk_bswap64 +ROKEN_LIB_FUNCTION uint64_t ROKEN_LIB_CALL bswap64(uint64_t); +#endif + #ifndef HAVE_BSWAP32 #define bswap32 rk_bswap32 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL bswap32(unsigned int); diff --git a/source4/heimdal/lib/roken/version-script.map b/source4/heimdal/lib/roken/version-script.map index 9229a373cd7..34b42a3639f 100644 --- a/source4/heimdal/lib/roken/version-script.map +++ b/source4/heimdal/lib/roken/version-script.map @@ -38,6 +38,7 @@ HEIMDAL_ROKEN_1.0 { rk_asprintf; rk_bswap16; rk_bswap32; + rk_bswap64; rk_cgetent; rk_cgetstr; rk_cloexec; -- 2.35.0
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