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toolchain: add BR2_USE_SSP option for stack protection support

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Using the support in uClibc.
This commit is contained in:
Peter Korsgaard 2009-04-22 07:27:22 +00:00
parent 3b712a3d89
commit 503ab93cfe
4 changed files with 29 additions and 6 deletions
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9
toolchain/Config.in.2
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@ -85,6 +85,15 @@ config BR2_SOFT_FLOAT
Most people will answer N.
config BR2_USE_SSP
bool "Enable stack protection support"
help
Enable stack smashing protection support using GCCs
-fstack-protector[-all] option.
See http://www.linuxfromscratch.org/hints/downloads/files/ssp.txt
for details.
choice
prompt "Thread library implementation"
default BR2_PTHREADS_OLD

10
toolchain/uClibc/uClibc-0.9.29.config
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@ -173,14 +173,18 @@ DEVEL_PREFIX="/usr/"
#
# uClibc security related options
#
# UCLIBC_SECURITY is not set
# UCLIBC_BUILD_PIE is not set
# UCLIBC_HAS_ARC4RANDOM is not set
# HAVE_NO_SSP is not set
# UCLIBC_HAS_SSP is not set
UCLIBC_HAS_SSP=y
# UCLIBC_HAS_SSP_COMPAT is not set
# SSP_QUICK_CANARY is not set
PROPOLICE_BLOCK_ABRT=y
# PROPOLICE_BLOCK_SEGV is not set
# UCLIBC_BUILD_SSP is not set
UCLIBC_BUILD_RELRO=y
UCLIBC_BUILD_NOW=y
# UCLIBC_BUILD_NOEXECSTACK is not set
UCLIBC_BUILD_NOEXECSTACK=y
#
# uClibc development/debugging options

11
toolchain/uClibc/uClibc-0.9.30.config
View File

@ -196,12 +196,17 @@ DEVEL_PREFIX="/usr/"
# Security options
#
# UCLIBC_BUILD_PIE is not set
UCLIBC_HAS_ARC4RANDOM=y
# UCLIBC_HAS_ARC4RANDOM is not set
# HAVE_NO_SSP is not set
# UCLIBC_HAS_SSP is not set
UCLIBC_HAS_SSP=y
# UCLIBC_HAS_SSP_COMPAT is not set
# SSP_QUICK_CANARY is not set
PROPOLICE_BLOCK_ABRT=y
# PROPOLICE_BLOCK_SEGV is not set
# UCLIBC_BUILD_SSP is not set
UCLIBC_BUILD_RELRO=y
UCLIBC_BUILD_NOW=y
# UCLIBC_BUILD_NOEXECSTACK is not set
UCLIBC_BUILD_NOEXECSTACK=y
#
# uClibc development/debugging options

5
toolchain/uClibc/uclibc.mk
View File

@ -302,6 +302,11 @@ else
$(SED) '/UCLIBC_HAS_FLOATS/d' \
-e 's,.*UCLIBC_HAS_FPU.*,UCLIBC_HAS_FPU=y\nHAS_FPU=y\nUCLIBC_HAS_FLOATS=y\n,g' \
$(UCLIBC_DIR)/.oldconfig
endif
ifeq ($(BR2_USE_SSP),y)
$(SED) 's,^.*UCLIBC_HAS_SSP[^_].*,UCLIBC_HAS_SSP=y,g' $(UCLIBC_DIR)/.oldconfig
else
$(SED) 's,^.*UCLIBC_HAS_SSP[^_].*,UCLIBC_HAS_SSP=n,g' $(UCLIBC_DIR)/.oldconfig
endif
$(SED) '/UCLIBC_HAS_THREADS/d' $(UCLIBC_DIR)/.oldconfig
$(SED) '/LINUXTHREADS/d' $(UCLIBC_DIR)/.oldconfig