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Libraries
asn1c
Commits
349b3407
Commit
349b3407
authored
Oct 14, 2017
by
Lev Walkin
Browse files
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UTF8String randomized fuzz-test
parent
588bf0f7
Changes
5
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Showing
5 changed files
with
90 additions
and
73 deletions
+90
-73
skeletons/OCTET_STRING.c
skeletons/OCTET_STRING.c
+63
-48
skeletons/OCTET_STRING.h
skeletons/OCTET_STRING.h
+4
-0
skeletons/UTF8String.c
skeletons/UTF8String.c
+18
-25
tests/tests-randomized/Makefile.am
tests/tests-randomized/Makefile.am
+1
-0
tests/tests-randomized/bundles/10-UTF8String-bundle.txt
tests/tests-randomized/bundles/10-UTF8String-bundle.txt
+4
-0
No files found.
skeletons/OCTET_STRING.c
View file @
349b3407
...
@@ -1862,6 +1862,66 @@ OCTET_STRING__random_char(unsigned long lb, unsigned long ub) {
...
@@ -1862,6 +1862,66 @@ OCTET_STRING__random_char(unsigned long lb, unsigned long ub) {
}
}
}
}
size_t
OCTET_STRING_random_length_constrained
(
const
asn_TYPE_descriptor_t
*
td
,
const
asn_encoding_constraints_t
*
constraints
,
size_t
max_length
)
{
const
unsigned
lengths
[]
=
{
0
,
1
,
2
,
3
,
4
,
8
,
126
,
127
,
128
,
16383
,
16384
,
16385
,
65534
,
65535
,
65536
,
65537
};
size_t
rnd_len
;
/* Figure out how far we should go */
rnd_len
=
lengths
[
asn_random_between
(
0
,
sizeof
(
lengths
)
/
sizeof
(
lengths
[
0
])
-
1
)];
if
(
!
constraints
)
constraints
=
&
td
->
encoding_constraints
;
if
(
constraints
->
per_constraints
)
{
const
asn_per_constraint_t
*
pc
=
&
td
->
encoding_constraints
.
per_constraints
->
size
;
if
(
pc
->
flags
&
APC_CONSTRAINED
)
{
long
suggested_upper_bound
=
pc
->
upper_bound
<
(
ssize_t
)
max_length
?
pc
->
upper_bound
:
max_length
;
if
(
max_length
<=
(
size_t
)
pc
->
lower_bound
)
{
return
pc
->
lower_bound
;
}
if
(
pc
->
flags
&
APC_EXTENSIBLE
)
{
switch
(
asn_random_between
(
0
,
5
))
{
case
0
:
if
(
pc
->
lower_bound
>
0
)
{
rnd_len
=
pc
->
lower_bound
-
1
;
break
;
}
/* Fall through */
case
1
:
rnd_len
=
pc
->
upper_bound
+
1
;
break
;
case
2
:
/* Keep rnd_len from the table */
if
(
rnd_len
<=
max_length
)
{
break
;
}
/* Fall through */
default:
rnd_len
=
asn_random_between
(
pc
->
lower_bound
,
suggested_upper_bound
);
}
}
else
{
rnd_len
=
asn_random_between
(
pc
->
lower_bound
,
suggested_upper_bound
);
}
}
else
{
rnd_len
=
asn_random_between
(
0
,
max_length
);
}
}
else
if
(
rnd_len
>
max_length
)
{
rnd_len
=
asn_random_between
(
0
,
max_length
);
}
return
rnd_len
;
}
asn_random_fill_result_t
asn_random_fill_result_t
OCTET_STRING_random_fill
(
const
asn_TYPE_descriptor_t
*
td
,
void
**
sptr
,
OCTET_STRING_random_fill
(
const
asn_TYPE_descriptor_t
*
td
,
void
**
sptr
,
const
asn_encoding_constraints_t
*
constraints
,
const
asn_encoding_constraints_t
*
constraints
,
...
@@ -1872,9 +1932,6 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -1872,9 +1932,6 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
asn_random_fill_result_t
result_ok
=
{
ARFILL_OK
,
1
};
asn_random_fill_result_t
result_ok
=
{
ARFILL_OK
,
1
};
asn_random_fill_result_t
result_failed
=
{
ARFILL_FAILED
,
0
};
asn_random_fill_result_t
result_failed
=
{
ARFILL_FAILED
,
0
};
asn_random_fill_result_t
result_skipped
=
{
ARFILL_SKIPPED
,
0
};
asn_random_fill_result_t
result_skipped
=
{
ARFILL_SKIPPED
,
0
};
static
unsigned
lengths
[]
=
{
0
,
1
,
2
,
3
,
4
,
8
,
126
,
127
,
128
,
16383
,
16384
,
16385
,
65534
,
65535
,
65536
,
65537
};
unsigned
int
unit_bytes
=
1
;
unsigned
int
unit_bytes
=
1
;
unsigned
long
clb
=
0
;
/* Lower bound on char */
unsigned
long
clb
=
0
;
/* Lower bound on char */
unsigned
long
cub
=
255
;
/* Higher bound on char value */
unsigned
long
cub
=
255
;
/* Higher bound on char value */
...
@@ -1884,7 +1941,7 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -1884,7 +1941,7 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
size_t
rnd_len
;
size_t
rnd_len
;
OCTET_STRING_t
*
st
;
OCTET_STRING_t
*
st
;
if
(
max_length
==
0
)
return
result_skipped
;
if
(
max_length
==
0
&&
!*
sptr
)
return
result_skipped
;
switch
(
specs
->
subvariant
)
{
switch
(
specs
->
subvariant
)
{
default:
default:
...
@@ -1922,50 +1979,8 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -1922,50 +1979,8 @@ OCTET_STRING_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
}
}
}
}
/* Figure out how far we should go */
rnd_len
=
rnd_len
=
lengths
[
asn_random_between
(
OCTET_STRING_random_length_constrained
(
td
,
constraints
,
max_length
);
0
,
sizeof
(
lengths
)
/
sizeof
(
lengths
[
0
])
-
1
)];
if
(
constraints
->
per_constraints
)
{
const
asn_per_constraint_t
*
pc
=
&
td
->
encoding_constraints
.
per_constraints
->
size
;
if
(
pc
->
flags
&
APC_CONSTRAINED
)
{
long
suggested_upper_bound
=
pc
->
upper_bound
<
(
ssize_t
)
max_length
?
pc
->
upper_bound
:
max_length
;
if
(
max_length
<
(
size_t
)
pc
->
lower_bound
)
{
return
result_skipped
;
}
if
(
pc
->
flags
&
APC_EXTENSIBLE
)
{
switch
(
asn_random_between
(
0
,
5
))
{
case
0
:
if
(
pc
->
lower_bound
>
0
)
{
rnd_len
=
pc
->
lower_bound
-
1
;
break
;
}
/* Fall through */
case
1
:
rnd_len
=
pc
->
upper_bound
+
1
;
break
;
case
2
:
/* Keep rnd_len from the table */
if
(
rnd_len
<
max_length
)
{
break
;
}
/* Fall through */
default:
rnd_len
=
asn_random_between
(
pc
->
lower_bound
,
suggested_upper_bound
);
}
}
else
{
rnd_len
=
asn_random_between
(
pc
->
lower_bound
,
suggested_upper_bound
);
}
}
else
{
rnd_len
=
asn_random_between
(
0
,
max_length
-
1
);
}
}
else
if
(
rnd_len
>=
max_length
)
{
rnd_len
=
asn_random_between
(
0
,
max_length
-
1
);
}
buf
=
CALLOC
(
unit_bytes
,
rnd_len
+
1
);
buf
=
CALLOC
(
unit_bytes
,
rnd_len
+
1
);
if
(
!
buf
)
return
result_failed
;
if
(
!
buf
)
return
result_failed
;
...
...
skeletons/OCTET_STRING.h
View file @
349b3407
...
@@ -89,6 +89,10 @@ typedef struct asn_OCTET_STRING_specifics_s {
...
@@ -89,6 +89,10 @@ typedef struct asn_OCTET_STRING_specifics_s {
extern
asn_OCTET_STRING_specifics_t
asn_SPC_OCTET_STRING_specs
;
extern
asn_OCTET_STRING_specifics_t
asn_SPC_OCTET_STRING_specs
;
size_t
OCTET_STRING_random_length_constrained
(
const
asn_TYPE_descriptor_t
*
,
const
asn_encoding_constraints_t
*
,
size_t
max_length
);
#ifdef __cplusplus
#ifdef __cplusplus
}
}
#endif
#endif
...
...
skeletons/UTF8String.c
View file @
349b3407
...
@@ -203,22 +203,21 @@ UTF8String_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
...
@@ -203,22 +203,21 @@ UTF8String_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
/*
/*
* Biased function for randomizing UTF-8 sequences.
* Biased function for randomizing UTF-8 sequences.
*/
*/
static
uint32
_t
static
size
_t
UTF8String__random_char
(
uint8_t
*
b
,
size_t
size
)
{
UTF8String__random_char
(
uint8_t
*
b
,
size_t
size
)
{
struct
rnd_value
{
st
atic
const
st
ruct
rnd_value
{
const
char
*
value
;
const
char
*
value
;
size_t
size
;
size_t
size
;
};
}
values
[]
=
{{
"
\0
"
,
1
},
static
const
struct
rnd_value
values
[]
=
{{
"
\0
"
,
1
},
{
"
\x01
"
,
1
},
{
"
\x01
"
,
1
},
{
"
\x7f
"
,
1
},
{
"
\x7f
"
,
1
},
{
"
\xc2\xa2
"
,
2
},
{
"
\xc2\xa2
"
,
2
},
{
"
\xe2\x82\xac
"
,
3
},
{
"
\xe2\x82\xac
"
,
3
},
{
"
\xf0\x90\x8d\x88
"
,
4
},
{
"
\xf0\x90\x8d\x88
"
,
4
},
{
"
\xf4\x8f\xbf\xbf
"
,
4
}};
{
"
\xf4\x8f\xbf\xbf
"
,
4
}};
const
struct
rnd_value
*
v
;
const
struct
rnd_value
*
v
;
size_t
max_idx
;
size_t
max_idx
=
0
;
switch
(
size
)
{
switch
(
size
)
{
case
0
:
case
0
:
...
@@ -230,8 +229,10 @@ UTF8String__random_char(uint8_t *b, size_t size) {
...
@@ -230,8 +229,10 @@ UTF8String__random_char(uint8_t *b, size_t size) {
case
2
:
case
2
:
max_idx
=
3
;
max_idx
=
3
;
break
;
break
;
default:
case
4
:
case
4
:
return
sizeof
(
values
)
/
sizeof
(
values
[
0
])
-
1
;
max_idx
=
sizeof
(
values
)
/
sizeof
(
values
[
0
])
-
1
;
break
;
}
}
v
=
&
values
[
asn_random_between
(
0
,
max_idx
)];
v
=
&
values
[
asn_random_between
(
0
,
max_idx
)];
...
@@ -246,9 +247,6 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -246,9 +247,6 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
asn_random_fill_result_t
result_ok
=
{
ARFILL_OK
,
1
};
asn_random_fill_result_t
result_ok
=
{
ARFILL_OK
,
1
};
asn_random_fill_result_t
result_failed
=
{
ARFILL_FAILED
,
0
};
asn_random_fill_result_t
result_failed
=
{
ARFILL_FAILED
,
0
};
asn_random_fill_result_t
result_skipped
=
{
ARFILL_SKIPPED
,
0
};
asn_random_fill_result_t
result_skipped
=
{
ARFILL_SKIPPED
,
0
};
static
unsigned
lengths
[]
=
{
0
,
1
,
2
,
3
,
4
,
8
,
126
,
127
,
128
,
16383
,
16384
,
16385
,
65534
,
65535
,
65536
,
65537
};
uint8_t
*
buf
;
uint8_t
*
buf
;
uint8_t
*
bend
;
uint8_t
*
bend
;
uint8_t
*
b
;
uint8_t
*
b
;
...
@@ -256,17 +254,11 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -256,17 +254,11 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
size_t
idx
;
size_t
idx
;
UTF8String_t
*
st
;
UTF8String_t
*
st
;
(
void
)
td
;
if
(
max_length
==
0
&&
!*
sptr
)
return
result_skipped
;
(
void
)
constraints
;
if
(
max_length
==
0
)
return
result_skipped
;
/* Figure out how far we should go */
/* Figure out how far we should go */
rnd_len
=
lengths
[
asn_random_between
(
rnd_len
=
OCTET_STRING_random_length_constrained
(
td
,
constraints
,
0
,
sizeof
(
lengths
)
/
sizeof
(
lengths
[
0
])
-
1
)];
max_length
/
4
);
if
(
4
*
rnd_len
>=
max_length
)
{
rnd_len
=
asn_random_between
(
0
,
(
max_length
-
1
)
/
4
);
}
buf
=
CALLOC
(
4
,
rnd_len
+
1
);
buf
=
CALLOC
(
4
,
rnd_len
+
1
);
if
(
!
buf
)
return
result_failed
;
if
(
!
buf
)
return
result_failed
;
...
@@ -288,10 +280,11 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
...
@@ -288,10 +280,11 @@ UTF8String_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
return
result_failed
;
return
result_failed
;
}
}
}
}
assert
(
UTF8String_length
(
st
)
==
(
ssize_t
)
rnd_len
);
st
->
buf
=
buf
;
st
->
buf
=
buf
;
st
->
size
=
b
-
buf
;
st
->
size
=
b
-
buf
;
assert
(
UTF8String_length
(
st
)
==
(
ssize_t
)
rnd_len
);
return
result_ok
;
return
result_ok
;
}
}
tests/tests-randomized/Makefile.am
View file @
349b3407
...
@@ -33,6 +33,7 @@ TESTS += bundles/06-OCTET-STRING-bundle.txt
...
@@ -33,6 +33,7 @@ TESTS += bundles/06-OCTET-STRING-bundle.txt
TESTS
+=
bundles/07-VisibleString-bundle.txt
TESTS
+=
bundles/07-VisibleString-bundle.txt
TESTS
+=
bundles/08-OBJECT-IDENTIFIER-bundle.txt
TESTS
+=
bundles/08-OBJECT-IDENTIFIER-bundle.txt
TESTS
+=
bundles/09-RELATIVE-OID-bundle.txt
TESTS
+=
bundles/09-RELATIVE-OID-bundle.txt
TESTS
+=
bundles/10-UTF8String-bundle.txt
EXTRA_DIST
=
\
EXTRA_DIST
=
\
random-test-driver.c
\
random-test-driver.c
\
...
...
tests/tests-randomized/bundles/10-UTF8String-bundle.txt
0 → 100644
View file @
349b3407
UTF8String
UTF8String (SIZE(3))
UTF8String (FROM("A".."Z"))
UTF8String (FROM("A".."Z") INTERSECTION SIZE(3))
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