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[libmicrohttpd] 02/02: configure: added selective sanitizers enable
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Subject: |
[libmicrohttpd] 02/02: configure: added selective sanitizers enable |
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Date: |
Sat, 11 Dec 2021 11:53:52 +0100 |
This is an automated email from the git hooks/post-receive script.
karlson2k pushed a commit to branch master
in repository libmicrohttpd.
commit c8e2acd48856e1e41d0fb028c08c06774a2a8520
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sat Dec 11 12:34:56 2021 +0300
configure: added selective sanitizers enable
---
configure.ac | 474 ++++++++++++++++++++++++++++++++++++-----------------------
1 file changed, 293 insertions(+), 181 deletions(-)
diff --git a/configure.ac b/configure.ac
index 9011654d..af0c95f5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2857,15 +2857,64 @@ AM_LSAN_OPTIONS=""
AS_UNSET([ASAN_OPTIONS])
AS_UNSET([UBSAN_OPTIONS])
AS_UNSET([LSAN_OPTIONS])
+
+AC_MSG_CHECKING([whether to enable run-time sanitizers])
AC_ARG_ENABLE([sanitizers],
- [AS_HELP_STRING([--enable-sanitizers], [enable run-time sanitizers])],
+ [AS_HELP_STRING([[--enable-sanitizers[=address,undefined,leak,user-poison]]],
+ [enable run-time sanitizers, specify the list of types of sanitizers to
enable or ]
+ [leave the list empty to enable all suppoted and availabe sanitizers])],
[], [enable_sanitizers=no])
-AS_VAR_IF([enable_sanitizers], ["yes"],
+AS_IF([test "x${enable_sanitizers}" = "x"], [enable_sanitizers="auto"])
+AS_VAR_IF([enable_sanitizers], ["yes"], [enable_sanitizers="auto"])
+AS_IF([test "x${enable_sanitizers}" = "xno"],
+ [
+ enable_sanitizers="no"
+ enable_san_address="no"
+ enable_san_undef="no"
+ enable_san_leak="no"
+ enable_san_upoison="no"
+ ],
+ [test "x${enable_sanitizers}" = "xauto"],
+ [
+ enable_san_address="auto"
+ enable_san_undef="auto"
+ enable_san_leak="auto"
+ enable_san_upoison="auto"
+ ],
+ [
+ AS_UNSET([san])
+ enable_san_address="no"
+ enable_san_undef="no"
+ enable_san_leak="no"
+ enable_san_upoison="no"
+ for san in `AS_ECHO([${enable_sanitizers}]) | tr ',' ' '`
+ do
+ AS_CASE([$san],
+ [address], [enable_san_address="yes"],
+ [undefined], [enable_san_undef="yes"],
+ [leak], [enable_san_leak="yes"],
+ [user-poison|user_poison], [enable_san_upoison="yes"],
+ [no|yes|auto], [AC_MSG_ERROR(["$san" cannot be used with other options
for --enable-sanitizers=])],
+ [AC_MSG_ERROR([Unknown parameter "$san" for --enable-sanitizers=])]
+ )
+ done
+ AS_IF([test "x${enable_san_upoison}" = "xyes" && test
"x${enable_san_address}" = "xno"],
+ [AC_MSG_ERROR([User memory poisoning cannot be used without address
sanitizer])]
+ )
+ enable_sanitizers="selected"
+ ]
+)
+AS_CASE([${enable_sanitizers}],
+ [selected], [AC_MSG_RESULT([selected])],
+ [auto], [AC_MSG_RESULT([yes, detect and use supported sanitizers])],
+ [AC_MSG_RESULT([no])]
+)
+AS_VAR_IF([enable_sanitizers], ["no"], [:],
[
AS_UNSET([san_FLAGS]) # the sanitizer flags to be added to both CFLAGS and
LDFLAGS
AS_UNSET([san_CFLAGS]) # the sanitizer flags to be added to CFLAGS
saved_CFLAGS="$CFLAGS"
- AC_CACHE_CHECK([whether sanitizer parameter works for $CC],
+ AC_CACHE_CHECK([whether '-fsanitize=' works for $CC],
[mhd_cv_cc_sanitizer_works],
[
CFLAGS="${saved_CFLAGS} -fsanitize=wrongFeatureName"
@@ -2875,71 +2924,79 @@ AS_VAR_IF([enable_sanitizers], ["yes"],
)
AS_VAR_IF([mhd_cv_cc_sanitizer_works], ["yes"],
[
- AC_CACHE_CHECK([for address sanitizer], [mhd_cv_cc_sanitizer_address],
+ AS_VAR_IF([enable_san_address], ["no"], [:],
[
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=address"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [mhd_cv_cc_sanitizer_address=yes],
[mhd_cv_cc_sanitizer_address=no])
- ]
- )
- AS_VAR_IF([mhd_cv_cc_sanitizer_address],["yes"],
- [
- AC_DEFINE([MHD_ASAN_ACTIVE], [1], [Define to '1' if you have
address sanitizer enabled])
- AC_CHECK_HEADERS([sanitizer/asan_interface.h], [], [],
[AC_INCLUDES_DEFAULT])
- AX_APPEND_FLAG([-fsanitize=address], [san_FLAGS])
- enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+,
}address"
- AC_CACHE_CHECK([whether leak detect is supported],
[mhd_cv_cc_sanitizer_address_leak],
- [
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}"
- ASAN_OPTIONS="exitcode=88:detect_leaks=1:halt_on_error=1"
- export ASAN_OPTIONS
- AC_RUN_IFELSE([AC_LANG_PROGRAM([],[])],
- [mhd_cv_cc_sanitizer_address_leak=yes],
[mhd_cv_cc_sanitizer_address_leak=no],
- [
- # Cross-compiling with sanitizers?
- mhd_cv_cc_sanitizer_address_leak='assuming no'
- ]
- )
- AS_UNSET([ASAN_OPTIONS])
- ]
- )
- AC_CACHE_CHECK([for pointer compare sanitizer],
[mhd_cv_cc_sanitizer_pointer_compare],
+ AC_CACHE_CHECK([for address sanitizer],
[mhd_cv_cc_sanitizer_address],
[
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=pointer-compare"
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=address"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [mhd_cv_cc_sanitizer_pointer_compare=yes],
[mhd_cv_cc_sanitizer_pointer_compare=no])
+ [mhd_cv_cc_sanitizer_address=yes],
[mhd_cv_cc_sanitizer_address=no])
]
)
- AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_compare],["yes"],
+ AS_VAR_IF([mhd_cv_cc_sanitizer_address],["yes"],
[
- AX_APPEND_FLAG([-fsanitize=pointer-compare], [san_FLAGS])
-
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer
compare"
- ]
- )
- AC_CACHE_CHECK([for pointer subtract sanitizer],
[mhd_cv_cc_sanitizer_pointer_subtract],
- [
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=pointer-subtract"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [mhd_cv_cc_sanitizer_pointer_subtract=yes],
[mhd_cv_cc_sanitizer_pointer_subtract=no])
- ]
- )
- AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_subtract],["yes"],
- [
- AX_APPEND_FLAG([-fsanitize=pointer-subtract], [san_FLAGS])
-
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer
subtract"
- ]
- )
- AS_IF([test "x${mhd_cv_cc_sanitizer_pointer_compare}" = "xyes" &&
test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes"],
- [
- AC_CACHE_CHECK([whether
'__attribute__((no_sanitize("pointer-compare","pointer-subtract")))' works],
[mhd_cv_func_attribute_nosanitize_ptr],
+ AC_DEFINE([MHD_ASAN_ACTIVE], [1], [Define to '1' if you have
address sanitizer enabled])
+ AX_APPEND_FLAG([-fsanitize=address], [san_FLAGS])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }address"
+ AS_VAR_IF([enable_san_leak], ["no"], [:],
[
-
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
- export ASAN_OPTIONS
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
${errattr_CFLAGS}"
- AC_RUN_IFELSE(
+ AC_CACHE_CHECK([whether leak detect is supported by address
sanitizer], [mhd_cv_cc_sanitizer_address_leak],
[
- AC_LANG_PROGRAM(
- [[
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}"
+
ASAN_OPTIONS="exitcode=88:detect_leaks=1:halt_on_error=1"
+ export ASAN_OPTIONS
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([],[])],
+ [mhd_cv_cc_sanitizer_address_leak=yes],
[mhd_cv_cc_sanitizer_address_leak=no],
+ [
+ # Cross-compiling with sanitizers?
+ mhd_cv_cc_sanitizer_address_leak='assuming no'
+ ]
+ )
+ AS_UNSET([ASAN_OPTIONS])
+ ]
+ )
+ ]
+ )
+ AC_CACHE_CHECK([for pointer compare sanitizer],
[mhd_cv_cc_sanitizer_pointer_compare],
+ [
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=pointer-compare"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+ [mhd_cv_cc_sanitizer_pointer_compare=yes],
[mhd_cv_cc_sanitizer_pointer_compare=no])
+ ]
+ )
+ AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_compare],["yes"],
+ [
+ AX_APPEND_FLAG([-fsanitize=pointer-compare], [san_FLAGS])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer
compare"
+ ]
+ )
+ AC_CACHE_CHECK([for pointer subtract sanitizer],
[mhd_cv_cc_sanitizer_pointer_subtract],
+ [
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
-fsanitize=pointer-subtract"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+ [mhd_cv_cc_sanitizer_pointer_subtract=yes],
[mhd_cv_cc_sanitizer_pointer_subtract=no])
+ ]
+ )
+ AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_subtract],["yes"],
+ [
+ AX_APPEND_FLAG([-fsanitize=pointer-subtract], [san_FLAGS])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer
subtract"
+ ]
+ )
+ AS_VAR_IF([enable_san_upoison], ["no"], [:],
+ [
+ AC_CHECK_HEADERS([sanitizer/asan_interface.h], [], [],
[AC_INCLUDES_DEFAULT])
+ AS_IF([test "x${mhd_cv_cc_sanitizer_pointer_compare}" =
"xyes" && test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes"],
+ [
+ AC_CACHE_CHECK([whether
'__attribute__((no_sanitize("pointer-compare","pointer-subtract")))' works],
[mhd_cv_func_attribute_nosanitize_ptr],
+ [
+
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
+ export ASAN_OPTIONS
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
${errattr_CFLAGS}"
+ AC_RUN_IFELSE(
+ [
+ AC_LANG_PROGRAM(
+ [[
#include <stdlib.h>
__attribute__((no_sanitize("pointer-compare","pointer-subtract")))
@@ -2949,8 +3006,8 @@ int ptr_process(void *ptr1, void *ptr2)
return (int) ((char*)ptr2 - (char*)ptr1);
return (int) ((char*)ptr1 - (char*)ptr2);
}
- ]],
- [[
+ ]],
+ [[
int *a = (int*) malloc (sizeof(int)*4);
int *b = (int*) malloc (sizeof(long)*6);
int c = ptr_process(a, b);
@@ -2962,30 +3019,30 @@ int ptr_process(void *ptr1, void *ptr2)
}
free (a);
free (b);
- ]]
+ ]]
+ )
+ ],
+ [mhd_cv_func_attribute_nosanitize_ptr=yes],
[mhd_cv_func_attribute_nosanitize_ptr=no],
+ [
+ # Cross-compiling with sanitizers??
+ mhd_cv_func_attribute_nosanitize_ptr='assuming
no'
+ ]
+ )
+ AS_UNSET([ASAN_OPTIONS])
+ ]
)
- ],
- [mhd_cv_func_attribute_nosanitize_ptr=yes],
[mhd_cv_func_attribute_nosanitize_ptr=no],
- [
- # Cross-compiling with sanitizers??
- mhd_cv_func_attribute_nosanitize_ptr='assuming no'
- ]
- )
- AS_UNSET([ASAN_OPTIONS])
- ]
- )
- AS_VAR_IF([mhd_cv_func_attribute_nosanitize_ptr], ["yes"],
- [AC_DEFINE([FUNC_ATTR_PTRCOMPARE_WOKRS],[1],[Define to '1' if
'__attribute__((no_sanitize("pointer-compare","pointer-subtract")))' works])],
- [
- AC_CACHE_CHECK([whether
'__attribute__((no_sanitize("address")))' works for pointers compare],
[mhd_cv_func_attribute_nosanitize_addr],
- [
-
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
- export ASAN_OPTIONS
- CFLAGS="${saved_CFLAGS} ${san_CFLAGS} ${san_FLAGS}
${errattr_CFLAGS}"
- AC_RUN_IFELSE(
+ AS_VAR_IF([mhd_cv_func_attribute_nosanitize_ptr],
["yes"],
+ [AC_DEFINE([FUNC_ATTR_PTRCOMPARE_WOKRS],[1],[Define
to '1' if '__attribute__((no_sanitize("pointer-compare","pointer-subtract")))'
works])],
[
- AC_LANG_PROGRAM(
- [[
+ AC_CACHE_CHECK([whether
'__attribute__((no_sanitize("address")))' works for pointers compare],
[mhd_cv_func_attribute_nosanitize_addr],
+ [
+
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
+ export ASAN_OPTIONS
+ CFLAGS="${saved_CFLAGS} ${san_CFLAGS}
${san_FLAGS} ${errattr_CFLAGS}"
+ AC_RUN_IFELSE(
+ [
+ AC_LANG_PROGRAM(
+ [[
#include <stdlib.h>
__attribute__((no_sanitize("address")))
@@ -2995,8 +3052,8 @@ int ptr_process(void *ptr1, void *ptr2)
return (int) ((char*)ptr2 - (char*)ptr1);
return (int) ((char*)ptr1 - (char*)ptr2);
}
- ]],
- [[
+ ]],
+ [[
int *a = (int*) malloc (sizeof(int)*4);
int *b = (int*) malloc (sizeof(long)*6);
int c = ptr_process(a, b);
@@ -3008,30 +3065,40 @@ int ptr_process(void *ptr1, void *ptr2)
}
free (a);
free (b);
- ]]
+ ]]
+ )
+ ],
+ [mhd_cv_func_attribute_nosanitize_addr=yes],
[mhd_cv_func_attribute_nosanitize_addr=no],
+ [
+ # Cross-compiling with sanitizers??
+
mhd_cv_func_attribute_nosanitize_addr='assuming no'
+ ]
+ )
+ AS_UNSET([ASAN_OPTIONS])
+ ]
+ )
+ AS_VAR_IF([mhd_cv_func_attribute_nosanitize_addr],
["yes"],
+
[AC_DEFINE([FUNC_ATTR_NOSANITIZE_WORKS],[1],[Define to '1' if
'__attribute__((no_sanitize("address")))' works for pointers compare])]
)
- ],
- [mhd_cv_func_attribute_nosanitize_addr=yes],
[mhd_cv_func_attribute_nosanitize_addr=no],
- [
- # Cross-compiling with sanitizers??
- mhd_cv_func_attribute_nosanitize_addr='assuming no'
]
)
- AS_UNSET([ASAN_OPTIONS])
]
)
- AS_VAR_IF([mhd_cv_func_attribute_nosanitize_addr], ["yes"],
- [AC_DEFINE([FUNC_ATTR_NOSANITIZE_WORKS],[1],[Define to
'1' if '__attribute__((no_sanitize("address")))' works for pointers compare])]
- )
]
)
]
)
+ AS_IF([test "x${enable_san_address}" = "xyes" && test
"x${mhd_cv_cc_sanitizer_address}" != "xyes"],
+ [AC_MSG_ERROR([Address sanitizer cannot be enabled])]
+ )
+ enable_san_address="${mhd_cv_cc_sanitizer_address}"
]
)
- dnl Ensure that '#' will be processed correctly
- [
- test_undf_prog='
+ AS_VAR_IF([enable_san_undef], ["no"], [:],
+ [
+ dnl Ensure that '#' will be processed correctly
+ [
+ test_undf_prog='
#include <stdio.h>
void func_out_b(char *arr)
@@ -3061,125 +3128,170 @@ int main(void)
printf("%lu\n", ulvar + ch1);
return 0;
}
- '
- ]
- AC_CACHE_CHECK([for undefined behavior sanitizer],
[mhd_cv_cc_sanitizer_undefined],
- [
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined"
- AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
- [mhd_cv_cc_sanitizer_undefined=yes],
[mhd_cv_cc_sanitizer_undefined=no])
- ]
- )
- AS_VAR_IF([mhd_cv_cc_sanitizer_undefined],["yes"],
- [
- AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
- enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+,
}undefined"
- ],
- [
- AC_CACHE_CHECK([for undefined behavior sanitizer with
'-fsanitize-undefined-trap-on-error'], [mhd_cv_cc_sanitizer_undefined_trap],
+ '
+ ]
+ AC_CACHE_CHECK([for undefined behavior sanitizer],
[mhd_cv_cc_sanitizer_undefined],
[
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-undefined-trap-on-error"
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined"
AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
- [mhd_cv_cc_sanitizer_undefined_trap=yes],
[mhd_cv_cc_sanitizer_undefined_trap=no])
+ [mhd_cv_cc_sanitizer_undefined=yes],
[mhd_cv_cc_sanitizer_undefined=no])
]
)
- AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap], ["yes"],
+ AS_VAR_IF([mhd_cv_cc_sanitizer_undefined],["yes"],
[
AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
- AX_APPEND_FLAG([-fsanitize-undefined-trap-on-error],
[san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
- AC_MSG_WARN([Enabled sanitizer without run-time library, error
reporting will be limited])
],
[
- AS_IF([test -z "${enabled_sanitizers}"],
+ AC_CACHE_CHECK([for undefined behavior sanitizer with
'-fsanitize-undefined-trap-on-error'], [mhd_cv_cc_sanitizer_undefined_trap],
[
- # Last resort
- AC_CACHE_CHECK([for undefined behavior sanitizer with
'-fsanitize-trap=all'], [mhd_cv_cc_sanitizer_undefined_trap_all],
- [
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-trap=all"
- AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
- [mhd_cv_cc_sanitizer_undefined_trap_all=yes],
[mhd_cv_cc_sanitizer_undefined_trap_all=no])
- ]
- )
- AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap_all],["yes"],
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-undefined-trap-on-error"
+ AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
+ [mhd_cv_cc_sanitizer_undefined_trap=yes],
[mhd_cv_cc_sanitizer_undefined_trap=no])
+ ]
+ )
+ AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap], ["yes"],
+ [
+ AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
+ AX_APPEND_FLAG([-fsanitize-undefined-trap-on-error],
[san_FLAGS])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
+ AC_MSG_WARN([Enabled sanitizer without run-time library,
error reporting will be limited])
+ ],
+ [
+ AS_IF([test -z "${enabled_sanitizers}"],
[
- AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
- AX_APPEND_FLAG([-fsanitize-trap=all], [san_FLAGS])
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-trap=all"
-
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
- AC_MSG_WARN([Enabled sanitizer without run-time
library, error reporting will be limited])
+ # Last resort
+ AC_CACHE_CHECK([for undefined behavior sanitizer with
'-fsanitize-trap=all'], [mhd_cv_cc_sanitizer_undefined_trap_all],
+ [
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-trap=all"
+
AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
+ [mhd_cv_cc_sanitizer_undefined_trap_all=yes],
[mhd_cv_cc_sanitizer_undefined_trap_all=no])
+ ]
+ )
+
AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap_all],["yes"],
+ [
+ AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
+ AX_APPEND_FLAG([-fsanitize-trap=all], [san_FLAGS])
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=undefined -fsanitize-trap=all"
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
+ AC_MSG_WARN([Enabled sanitizer without run-time
library, error reporting will be limited])
+ ]
+ )
]
)
]
)
]
)
- ]
- )
- AS_CASE(["$enabled_sanitizers"], [*undefined],
- [
- AS_VAR_IF([mhd_cv_cc_sanitizer_undefined], ["yes"],[],
+ AS_CASE(["$enabled_sanitizers"], [*undefined],
[
- # A workaround for broken clang which is trying to use UBSan lib
- # even when instructed to not use it
+ AS_VAR_IF([mhd_cv_cc_sanitizer_undefined], ["yes"],[],
+ [
+ # A workaround for broken clang which is trying to use
UBSan lib
+ # even when instructed to not use it
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
+ AX_APPEND_LINK_FLAGS([-fsanitize-trap=implicit-conversion],
+ [san_FLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
+ ]
+ )
CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
- AX_APPEND_LINK_FLAGS([-fsanitize-trap=implicit-conversion],
- [san_FLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
+ AX_APPEND_LINK_FLAGS([-fsanitize=bounds-strict
-fsanitize=local-bounds -fsanitize=implicit-conversion
-fsanitize=nullability-arg],
+ [san_CFLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
+ ]
+ )
+ AS_UNSET([test_undf_prog])
+ AS_CASE(["$enabled_sanitizers"],
+ [*undefined], [enable_san_undef="yes"],
+ [
+ AS_VAR_IF([enable_san_undef], [yes], [AC_MSG_ERROR([Undefined
behavior sanitizer cannot be enabled])])
+ enable_san_undef="no"
]
)
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
- AX_APPEND_LINK_FLAGS([-fsanitize=bounds-strict
-fsanitize=local-bounds -fsanitize=implicit-conversion
-fsanitize=nullability-arg],
- [san_CFLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
- ]
- )
- AS_UNSET([test_undf_prog])
- AC_CACHE_CHECK([for leak sanitizer], [mhd_cv_cc_sanitizer_leak],
- [
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS} -fsanitize=leak"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [mhd_cv_cc_sanitizer_leak=yes], [mhd_cv_cc_sanitizer_leak=no])
]
)
- AS_VAR_IF([mhd_cv_cc_sanitizer_leak],["yes"],
+ AS_VAR_IF([enable_san_leak], ["no"], [:],
[
- AX_APPEND_FLAG([-fsanitize=leak], [san_FLAGS])
- enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+,
}leak"
+ AC_CACHE_CHECK([for leak sanitizer], [mhd_cv_cc_sanitizer_leak],
+ [
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}
-fsanitize=leak"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+ [mhd_cv_cc_sanitizer_leak=yes], [mhd_cv_cc_sanitizer_leak=no])
+ ]
+ )
+ AS_VAR_IF([mhd_cv_cc_sanitizer_leak],["yes"],
+ [
+ AX_APPEND_FLAG([-fsanitize=leak], [san_FLAGS])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }leak"
+ ]
+ )
+ AS_IF([test "x${enable_san_leak}" = "xyes" && test
"x${mhd_cv_cc_sanitizer_leak}" != "xyes"],
+ [AC_MSG_ERROR([User poison cannot be enabled])]
+ )
+ enable_san_leak="${mhd_cv_cc_sanitizer_leak}"
]
)
AS_IF([test -z "${enabled_sanitizers}"],
[AC_MSG_ERROR([cannot find any sanitizer supported by $CC])])
- AC_MSG_CHECKING([whether to enable user memory poisoning])
- AS_IF([test "x${mhd_cv_cc_sanitizer_address}" = "xyes" && test
"x${mhd_cv_cc_sanitizer_pointer_compare}" = "xyes" && \
- test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes" && \
- (test "x${mhd_cv_func_attribute_nosanitize_ptr}" = "xyes" || test
"x${mhd_cv_func_attribute_nosanitize_addr}" = "xyes")],
+ AS_VAR_IF([enable_san_upoison], ["no"], [:],
[
- AC_DEFINE([MHD_ASAN_POISON_ACTIVE], [1], [Define to '1' if user
memory poison is used])
- enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+,
}user-poison"
- AC_MSG_RESULT([yes])
- ], [AC_MSG_RESULT([no])]
+ AC_MSG_CHECKING([whether to enable user memory poisoning])
+ AS_IF([test "x${mhd_cv_cc_sanitizer_address}" = "xyes" && test
"x${mhd_cv_cc_sanitizer_pointer_compare}" = "xyes" && \
+ test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes" && \
+ (test "x${mhd_cv_func_attribute_nosanitize_ptr}" = "xyes" || test
"x${mhd_cv_func_attribute_nosanitize_addr}" = "xyes")],
+ [
+ AC_DEFINE([MHD_ASAN_POISON_ACTIVE], [1], [Define to '1' if user
memory poison is used])
+
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }user-poison"
+ enable_san_upoison="yes"
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AS_VAR_IF([enable_san_upoison], ["yes"],
+ [AC_MSG_ERROR([User memory poisoning cannot be enabled])])
+ enable_san_upoison="no"
+ ]
+ )
+ ]
)
- AS_VAR_IF([mhd_cv_cc_sanitizer_address],["yes"],
+ AS_VAR_IF([enable_san_address], ["yes"],
[
- AX_APPEND_FLAG([-D_FORTIFY_SOURCE=0], [san_CFLAGS])
- CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
- AX_APPEND_COMPILE_FLAGS([-Wp,-U_FORTIFY_SOURCE], [san_CFLAGS])
- ],
- [AC_MSG_WARN([$CC does not support address sanitizer])]
+ AS_VAR_IF([mhd_cv_cc_sanitizer_address],["yes"],
+ [
+ AX_APPEND_FLAG([-D_FORTIFY_SOURCE=0], [san_CFLAGS])
+ CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
+ AX_APPEND_COMPILE_FLAGS([-Wp,-U_FORTIFY_SOURCE], [san_CFLAGS])
+ ],
+ [AC_MSG_WARN([$CC does not support address sanitizer])]
+ )
+ ]
)
CFLAGS="${saved_CFLAGS} ${san_FLAGS} ${san_CFLAGS}"
# Always stop on sanitizer error
AX_APPEND_COMPILE_FLAGS([-fno-sanitize-recover=all], [san_CFLAGS])
- # Get better output for sanitizers error reporting
+ # Get a better output for sanitizers error reporting
AX_APPEND_COMPILE_FLAGS([-fno-omit-frame-pointer
-fno-optimize-sibling-calls],
[san_CFLAGS])
-
AM_ASAN_OPTIONS="exitcode=88:strict_string_checks=1:detect_stack_use_after_return=1"
-
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:check_initialization_order=1:strict_init_order=1:redzone=64"
-
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:max_free_fill_size=1024:detect_invalid_pointer_pairs=3"
-
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:handle_ioctl=1:allow_user_poisoning=1:halt_on_error=1"
- AS_VAR_IF([mhd_cv_cc_sanitizer_address_leak], ["yes"],
- [AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:detect_leaks=1"])
- AM_UBSAN_OPTIONS="exitcode=87:print_stacktrace=1:halt_on_error=1"
- AM_LSAN_OPTIONS="use_unaligned=1"
+ AS_VAR_IF([enable_san_address], ["yes"],
+ [
+
AM_ASAN_OPTIONS="exitcode=88:strict_string_checks=1:detect_stack_use_after_return=1"
+
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:check_initialization_order=1:strict_init_order=1:redzone=64"
+
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:max_free_fill_size=1024:detect_invalid_pointer_pairs=3"
+ AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:handle_ioctl=1:halt_on_error=1"
+ AS_VAR_IF([enable_san_upoison], ["yes"],
[AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:allow_user_poisoning=1"])
+ ]
+ )
+ AS_VAR_IF([enable_san_undef], [yes],
+ [AM_UBSAN_OPTIONS="exitcode=87:print_stacktrace=1:halt_on_error=1"])
+ AS_VAR_IF([enable_san_leak], ["yes"],
+ [
+ AS_VAR_IF([enable_san_address], ["yes"],
+ [AS_VAR_IF([mhd_cv_cc_sanitizer_address_leak], ["yes"],
+ [AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:detect_leaks=1"])
+ ]
+ )
+ AM_LSAN_OPTIONS="use_unaligned=1"
+ ]
+ )
AM_TESTS_ENVIRONMENT='\
ASAN_OPTIONS="$(AM_ASAN_OPTIONS)" ; export ASAN_OPTIONS ; \
UBSAN_OPTIONS="$(AM_UBSAN_OPTIONS)" ; export UBSAN_OPTIONS ; \
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