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cpp-libs
Actor Framework
Commits
8528ff22
Unverified
Commit
8528ff22
authored
Nov 21, 2020
by
Dominik Charousset
Committed by
GitHub
Nov 21, 2020
Browse files
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Plain Diff
Merge pull request #1166
Fix unsafe use of strncmp
parents
0221960c
97f30de1
Changes
5
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Inline
Side-by-side
Showing
5 changed files
with
68 additions
and
32 deletions
+68
-32
.ci/run.sh
.ci/run.sh
+30
-2
CHANGELOG.md
CHANGELOG.md
+1
-0
Jenkinsfile
Jenkinsfile
+8
-3
libcaf_core/src/string_view.cpp
libcaf_core/src/string_view.cpp
+12
-10
libcaf_core/test/string_view.cpp
libcaf_core/test/string_view.cpp
+17
-17
No files found.
.ci/run.sh
View file @
8528ff22
...
...
@@ -28,8 +28,9 @@ elif [ $# = 2 ]; then
if
[
"
$1
"
=
'test'
]
&&
[
-d
"
$2
"
]
;
then
Mode
=
'test'
BuildDir
=
"
$2
"
elif
[
"
$1
"
=
'assert'
]
&&
[
"
$2
"
=
'LeakSanitizer'
]
;
then
elif
[
"
$1
"
=
'assert'
]
;
then
Mode
=
'assert'
What
=
"
$2
"
else
usage
fi
...
...
@@ -85,10 +86,37 @@ runLeakSanitizerCheck() {
fi
}
runUBSanitizerCheck
()
{
UBSanCheckStr
=
"
int main(int argc, char**) {
int k = 0x7fffffff;
k += argc;
return 0;
}
"
echo
"
${
UBSanCheckStr
}
"
>
UBSanCheck.cpp
c++ UBSanCheck.cpp
-o
UBSanCheck
-fsanitize
=
undefined
-fno-omit-frame-pointer
out
=
`
./UBSanCheck 2>&1 |
grep
-o
'signed integer overflow'
`
if
[
-z
"
$out
"
]
;
then
echo
"unable to detected undefined behavior on this platform!"
return
1
fi
}
if
[
"
$Mode
"
=
'build'
]
;
then
runBuild
elif
[
"
$Mode
"
=
'test'
]
;
then
runTest
else
runLeakSanitizerCheck
case
"
$What
"
in
LeakSanitizer
)
runLeakSanitizerCheck
;;
UBSanitizer
)
runUBSanitizerCheck
;;
*
)
echo
"unrecognized tag:
$What
!"
return
1
esac
fi
CHANGELOG.md
View file @
8528ff22
...
...
@@ -48,6 +48,7 @@ is based on [Keep a Changelog](https://keepachangelog.com).
console output.
-
Fix memory leaks when deserializing URIs and when detaching the content of
messages (#1160).
-
Fix undefined behavior in
`string_view::compare`
(#1164).
## [0.18.0-rc.1] - 2020-09-09
...
...
Jenkinsfile
View file @
8528ff22
...
...
@@ -93,13 +93,18 @@ config = [
'ASAN_OPTIONS=detect_leaks=1'
,
],
]],
// One extra debug build with static libraries.
[
'
debian-10
'
,
[
// One extra debug build with static libraries
and UBSanitizer
.
[
'
fedora-32
'
,
[
numCores:
4
,
tags:
[
'docker'
],
tags:
[
'docker'
,
'UBSanitizer'
],
builds:
[
'debug'
],
extraBuildFlags:
[
'BUILD_SHARED_LIBS:BOOL=OFF'
,
'CAF_SANITIZERS:STRING=address,undefined'
,
],
extraBuildEnv:
[
'CXXFLAGS=-fno-sanitize-recover=undefined'
,
'LDFLAGS=-fno-sanitize-recover=undefined'
,
],
]],
// Other UNIX systems.
...
...
libcaf_core/src/string_view.cpp
View file @
8528ff22
...
...
@@ -102,16 +102,18 @@ string_view string_view::substr(size_type pos, size_type n) const noexcept {
}
int
string_view
::
compare
(
string_view
str
)
const
noexcept
{
auto
s0
=
size
();
auto
s1
=
str
.
size
();
auto
fallback
=
[](
int
x
,
int
y
)
{
return
x
==
0
?
y
:
x
;
};
if
(
s0
==
s1
)
return
strncmp
(
data
(),
str
.
data
(),
s0
);
else
if
(
s0
<
s1
)
return
fallback
(
strncmp
(
data
(),
str
.
data
(),
s0
),
-
1
);
return
fallback
(
strncmp
(
data
(),
str
.
data
(),
s1
),
1
);
// TODO: use lexicographical_compare_three_way when switching to C++20
auto
i0
=
begin
();
auto
e0
=
end
();
auto
i1
=
str
.
begin
();
auto
e1
=
str
.
end
();
while
(
i0
!=
e0
&&
i1
!=
e1
)
if
(
auto
diff
=
*
i0
++
-
*
i1
++
;
diff
!=
0
)
return
diff
;
if
(
i0
==
e0
)
return
i1
!=
e1
?
-
1
:
0
;
else
return
i1
==
e1
?
1
:
0
;
}
int
string_view
::
compare
(
size_type
pos1
,
size_type
n1
,
...
...
libcaf_core/test/string_view.cpp
View file @
8528ff22
...
...
@@ -23,6 +23,7 @@
#include "core-test.hpp"
using
namespace
caf
;
using
namespace
caf
::
literals
;
CAF_TEST
(
default
construction
)
{
string_view
x
;
...
...
@@ -34,7 +35,7 @@ CAF_TEST(default construction) {
}
CAF_TEST
(
cstring
conversion
)
{
string_view
x
=
"abc"
;
auto
x
=
"abc"
_sv
;
CAF_CHECK_EQUAL
(
x
.
size
(),
3u
);
CAF_CHECK_EQUAL
(
x
[
0
],
'a'
);
CAF_CHECK_EQUAL
(
x
[
1
],
'b'
);
...
...
@@ -50,14 +51,12 @@ CAF_TEST(string conversion) {
string_view
y
;
y
=
x
;
CAF_CHECK_EQUAL
(
x
,
y
);
auto
f
=
[
&
](
string_view
z
)
{
CAF_CHECK_EQUAL
(
x
,
z
);
};
auto
f
=
[
&
](
string_view
z
)
{
CAF_CHECK_EQUAL
(
x
,
z
);
};
f
(
x
);
}
CAF_TEST
(
substrings
)
{
string_view
x
=
"abcdefghi"
;
auto
x
=
"abcdefghi"
_sv
;
CAF_CHECK
(
x
.
remove_prefix
(
3
),
"defghi"
);
CAF_CHECK
(
x
.
remove_suffix
(
3
),
"abcdef"
);
CAF_CHECK
(
x
.
substr
(
3
,
3
),
"def"
);
...
...
@@ -69,9 +68,9 @@ CAF_TEST(substrings) {
CAF_TEST
(
compare
)
{
// testees
string_view
x
=
"abc"
;
string_view
y
=
"bcd"
;
string_view
z
=
"cde"
;
auto
x
=
"abc"
_sv
;
auto
y
=
"bcd"
_sv
;
auto
z
=
"cde"
_sv
;
// x.compare full strings
CAF_CHECK
(
x
.
compare
(
"abc"
)
==
0
);
CAF_CHECK
(
x
.
compare
(
y
)
<
0
);
...
...
@@ -88,14 +87,15 @@ CAF_TEST(compare) {
CAF_CHECK
(
x
.
compare
(
0
,
3
,
"abc"
)
==
0
);
CAF_CHECK
(
x
.
compare
(
1
,
2
,
y
,
0
,
2
)
==
0
);
CAF_CHECK
(
x
.
compare
(
2
,
1
,
z
,
0
,
1
)
==
0
);
CAF_CHECK
(
x
.
compare
(
2
,
1
,
z
,
0
,
1
)
==
0
);
// make sure substrings aren't equal
CAF_CHECK
(
string_view
(
"a/"
)
!=
string_view
(
"a/b"
));
CAF_CHECK
(
"a/"
_sv
!=
"a/b"
_sv
);
CAF_CHECK
(
z
.
compare
(
"cdef"
_sv
)
<
0
);
CAF_CHECK
(
"cdef"
_sv
.
compare
(
z
)
>
0
);
}
CAF_TEST
(
copy
)
{
char
buf
[
10
];
string_view
str
=
"hello"
;
auto
str
=
"hello"
_sv
;
auto
n
=
str
.
copy
(
buf
,
str
.
size
());
CAF_CHECK_EQUAL
(
n
,
5u
);
buf
[
n
]
=
'\0'
;
...
...
@@ -109,7 +109,7 @@ CAF_TEST(copy) {
CAF_TEST
(
find
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abcdef"
;
auto
x
=
"abcdef"
_sv
;
std
::
string
y
=
"abcdef"
;
CAF_CHECK_EQUAL
(
x
.
find
(
'a'
),
y
.
find
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
find
(
'b'
),
y
.
find
(
'b'
));
...
...
@@ -126,7 +126,7 @@ CAF_TEST(find) {
CAF_TEST
(
rfind
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abccba"
;
auto
x
=
"abccba"
_sv
;
std
::
string
y
=
"abccba"
;
CAF_CHECK_EQUAL
(
x
.
rfind
(
'a'
),
y
.
rfind
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
rfind
(
'b'
),
y
.
rfind
(
'b'
));
...
...
@@ -143,7 +143,7 @@ CAF_TEST(rfind) {
CAF_TEST
(
find_first_of
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abcdef"
;
auto
x
=
"abcdef"
_sv
;
std
::
string
y
=
"abcdef"
;
CAF_CHECK_EQUAL
(
x
.
find_first_of
(
'a'
),
y
.
find_first_of
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
find_first_of
(
'b'
),
y
.
find_first_of
(
'b'
));
...
...
@@ -160,7 +160,7 @@ CAF_TEST(find_first_of) {
CAF_TEST
(
find_last_of
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abcdef"
;
auto
x
=
"abcdef"
_sv
;
std
::
string
y
=
"abcdef"
;
CAF_CHECK_EQUAL
(
x
.
find_last_of
(
'a'
),
y
.
find_last_of
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
find_last_of
(
'b'
),
y
.
find_last_of
(
'b'
));
...
...
@@ -177,7 +177,7 @@ CAF_TEST(find_last_of) {
CAF_TEST
(
find_first_not_of
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abcdef"
;
auto
x
=
"abcdef"
_sv
;
std
::
string
y
=
"abcdef"
;
CAF_CHECK_EQUAL
(
x
.
find_first_not_of
(
'a'
),
y
.
find_first_not_of
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
find_first_not_of
(
'b'
),
y
.
find_first_not_of
(
'b'
));
...
...
@@ -197,7 +197,7 @@ CAF_TEST(find_first_not_of) {
CAF_TEST
(
find_last_not_of
)
{
// Check whether string_view behaves exactly like std::string.
string_view
x
=
"abcdef"
;
auto
x
=
"abcdef"
_sv
;
std
::
string
y
=
"abcdef"
;
CAF_CHECK_EQUAL
(
x
.
find_last_not_of
(
'a'
),
y
.
find_last_not_of
(
'a'
));
CAF_CHECK_EQUAL
(
x
.
find_last_not_of
(
'b'
),
y
.
find_last_not_of
(
'b'
));
...
...
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