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Pass security flags and check gcc version #525

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Pass security flags and check gcc version #525

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514a929
Pass security flags and check gcc version
SaitTalhaNisanci Oct 20, 2020
1fdf59a
Use -fstack-clash-protection if gcc >= 8
SaitTalhaNisanci Oct 20, 2020
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13 changes: 12 additions & 1 deletion citus.spec
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Original file line number Diff line number Diff line change
Expand Up @@ -34,8 +34,19 @@ commands.
%prep
%setup -q -n %{sname}-%{version}

# Flags taken from: https://liquid.microsoft.com/Web/Object/Read/ms.security/Requirements/Microsoft.Security.SystemsADM.10203#guide
SECURITY_CFLAGS="-fstack-protector-strong -D_FORTIFY_SOURCE=2 -O2 -z noexecstack -fpic -Wl,-z,relro -Wl,-z,now -Wformat -Wformat-security -Werror=format-security"

currentgccver="$(gcc -dumpversion)"
requiredgccver="4.8.2"
if [ "$(printf '%s\n' "$requiredgccver" "$currentgccver" | sort -V | tail -n1)" = "$requiredgccver" ]; then
echo WARNING: Using slower security flags because of outdated compiler
SECURITY_CFLAGS="-fstack-protector-all -D_FORTIFY_SOURCE=2 -O2 -z noexecstack -fpic -Wl,-z,relro -Wl,-z,now -Wformat -Wformat-security -Werror=format-security"
fi
fi

%build
%configure PG_CONFIG=%{pginstdir}/bin/pg_config --with-extra-version="%{?conf_extra_version}"
%configure PG_CONFIG=%{pginstdir}/bin/pg_config --with-extra-version="%{?conf_extra_version}" CC=$(command -v gcc) CFLAGS="$SECURITY_CFLAGS"
make %{?_smp_mflags}

%install
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9 changes: 9 additions & 0 deletions debian/check-gcc-version.sh
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@@ -0,0 +1,9 @@
#!/bin/bash
set -euxo pipefail

currentgccver="$($(pg_config --cc) -dumpversion)"
requiredgccver="4.8.2"
if [ "$(printf '%s\n' "$requiredgccver" "$currentgccver" | sort -V | tail -n1)" = "$requiredgccver" ]; then
echo ERROR: At least GCC version "$requiredgccver" is needed
exit 1
fi
4 changes: 3 additions & 1 deletion debian/rules
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Expand Up @@ -3,7 +3,8 @@
include /usr/share/postgresql-common/pgxs_debian_control.mk

override_dh_auto_build:
+pg_buildext build build-%v
# Flags taken from: https://liquid.microsoft.com/Web/Object/Read/ms.security/Requirements/Microsoft.Security.SystemsADM.10203#guide
+pg_buildext build build-%v '$(CFLAGS) -fstack-protector-strong -D_FORTIFY_SOURCE=2 -O2 -z noexecstack -fpic -Wl,-z,relro -Wl,-z,now -Wformat -Wformat-security -Werror=format-security'

override_dh_auto_clean:
+pg_buildext clean build-%v
Expand All @@ -12,6 +13,7 @@ override_dh_auto_test:
# nothing to do here, see debian/tests/* instead

override_dh_auto_configure:
debian/check-gcc-version.sh
+pg_buildext configure build-%v --with-extra-version="$${CONF_EXTRA_VERSION:-}"

override_dh_auto_install:
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