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Libraries
asn1c
Commits
cc9b3aeb
Commit
cc9b3aeb
authored
Jul 14, 2017
by
Lev Walkin
Browse files
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Plain Diff
test OER encoding over the INTEGER value range
parent
527497f7
Changes
3
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Showing
3 changed files
with
202 additions
and
51 deletions
+202
-51
skeletons/INTEGER_oer.c
skeletons/INTEGER_oer.c
+18
-12
skeletons/oer_encoder.c
skeletons/oer_encoder.c
+15
-7
skeletons/tests/check-OER-INTEGER.c
skeletons/tests/check-OER-INTEGER.c
+169
-32
No files found.
skeletons/INTEGER_oer.c
View file @
cc9b3aeb
...
...
@@ -145,7 +145,7 @@ asn_enc_rval_t
INTEGER_encode_oer
(
asn_TYPE_descriptor_t
*
td
,
asn_oer_constraints_t
*
constraints
,
void
*
sptr
,
asn_app_consume_bytes_f
*
cb
,
void
*
app_key
)
{
const
INTEGER_t
*
st
=
*
(
const
INTEGER_t
**
)
sptr
;
const
INTEGER_t
*
st
=
sptr
;
asn_enc_rval_t
er
;
asn_oer_constraint_t
*
ct
;
const
uint8_t
*
buf
;
...
...
@@ -170,19 +170,25 @@ INTEGER_encode_oer(asn_TYPE_descriptor_t *td,
sign
=
(
buf
&&
buf
<
end
)
?
buf
[
0
]
&
0x80
:
0
;
if
(
encode_as_unsigned
&&
sign
)
{
/* The value given is a signed value. Can't proceed. */
ASN__ENCODE_FAILED
;
}
/* Ignore 9 leading zeroes or ones */
for
(;
buf
+
1
<
end
;
buf
++
)
{
if
(
buf
[
0
]
==
0x0
&&
((
buf
[
1
]
&
0x80
)
==
0
||
encode_as_unsigned
))
{
continue
;
}
else
if
(
buf
[
0
]
==
0xff
&&
(
buf
[
1
]
&
0x80
)
!=
0
)
{
continue
;
if
(
encode_as_unsigned
)
{
if
(
sign
)
{
/* The value given is a signed value. Can't proceed. */
ASN__ENCODE_FAILED
;
}
/* Remove leading zeros. */
for
(;
buf
+
1
<
end
;
buf
++
)
{
if
(
buf
[
0
]
!=
0x0
)
break
;
}
}
else
{
for
(;
buf
+
1
<
end
;
buf
++
)
{
if
(
buf
[
0
]
==
0x0
&&
(
buf
[
1
]
&
0x80
)
==
0
)
{
continue
;
}
else
if
(
buf
[
0
]
==
0xff
&&
(
buf
[
1
]
&
0x80
)
!=
0
)
{
continue
;
}
break
;
}
break
;
}
useful_bytes
=
end
-
buf
;
...
...
skeletons/oer_encoder.c
View file @
cc9b3aeb
...
...
@@ -58,13 +58,21 @@ oer_encode_to_buffer(struct asn_TYPE_descriptor_s *type_descriptor,
arg
.
buffer
=
buffer
;
arg
.
left
=
buffer_size
;
ec
=
type_descriptor
->
oer_encoder
(
type_descriptor
,
constraints
,
struct_ptr
,
/* Pointer to the destination structure */
encode_to_buffer_cb
,
&
arg
);
if
(
ec
.
encoded
!=
-
1
)
{
assert
(
ec
.
encoded
==
(
ssize_t
)(
buffer_size
-
arg
.
left
));
/* Return the encoded contents size */
if
(
type_descriptor
->
oer_encoder
==
NULL
)
{
ec
.
encoded
=
-
1
;
ec
.
failed_type
=
type_descriptor
;
ec
.
structure_ptr
=
struct_ptr
;
ASN_DEBUG
(
"OER encoder is not defined for %s"
,
type_descriptor
->
name
);
}
else
{
ec
=
type_descriptor
->
oer_encoder
(
type_descriptor
,
constraints
,
struct_ptr
,
/* Pointer to the destination structure */
encode_to_buffer_cb
,
&
arg
);
if
(
ec
.
encoded
!=
-
1
)
{
assert
(
ec
.
encoded
==
(
ssize_t
)(
buffer_size
-
arg
.
left
));
/* Return the encoded contents size */
}
}
return
ec
;
}
skeletons/tests/check-OER-INTEGER.c
View file @
cc9b3aeb
...
...
@@ -5,26 +5,25 @@
#include <INTEGER.h>
#define CHECK_DECODE(code, a, b, c, d, e, f) check_decode(__LINE__, code, a, b, c, d, e, f)
#define CHECK_ROUNDTRIP(a, b, c) check_roundtrip(__LINE__, a, b, c);
#define CHECK_ROUNDTRIP(a, b, c) check_roundtrip(__LINE__, a, b, c);
#define CHECK_ENCODE_OK(a, b, c) check_encode(__LINE__, 0, a, b, c)
#define CHECK_ENCODE_BAD(a, b, c) check_encode(__LINE__, 1, a, b, c);
static
const
intmax_t
NoBound
=
-
4200024
;
static
void
check_decode
(
int
lineno
,
enum
asn_dec_rval_code_e
code
,
intmax_t
control
,
const
char
*
buf
,
size_t
size
,
const
char
*
dummy
,
intmax_t
lower_bound
,
intmax_t
upper_bound
)
{
static
char
*
code_s
[]
=
{
"RC_OK"
,
"RC_WMORE"
,
"RC_FAIL"
,
"<error>"
};
fprintf
(
stderr
,
"%d: buf[%zu]={%d, %d, ...}
\n
"
,
lineno
,
size
,
((
const
uint8_t
*
)
buf
)[
0
],
((
const
uint8_t
*
)
buf
)[
1
]);
INTEGER_t
*
st
=
NULL
;
asn_dec_rval_t
ret
;
struct
asn_oer_constraints_s
empty_constraints
=
{{
0
,
0
,
0
},
{
0
,
0
,
0
}};
static
asn_oer_constraints_t
*
setup_constraints
(
int
lineno
,
const
char
*
process
,
intmax_t
lower_bound
,
intmax_t
upper_bound
)
{
static
struct
asn_oer_constraints_s
empty_constraints
;
struct
asn_oer_constraints_s
*
constraints
=
&
empty_constraints
;
struct
asn_oer_constraint_s
*
ct_value
=
&
constraints
->
value
;
memset
(
&
empty_constraints
,
0
,
sizeof
(
empty_constraints
));
/* Setup integer constraints as requested */
if
(
lower_bound
==
NoBound
&&
upper_bound
==
NoBound
)
{
fprintf
(
stderr
,
"%d: OER %s without constraints
\n
"
,
lineno
,
process
);
constraints
=
NULL
;
}
else
{
if
(
lower_bound
!=
NoBound
)
{
...
...
@@ -35,8 +34,41 @@ check_decode(int lineno, enum asn_dec_rval_code_e code, intmax_t control, const
ct_value
->
flags
|=
AOC_HAS_UPPER_BOUND
;
ct_value
->
upper_bound
=
upper_bound
;
}
if
(
lower_bound
!=
NoBound
&&
upper_bound
!=
NoBound
)
{
fprintf
(
stderr
,
"%d: OER %s constraints %"
PRIdMAX
"..%"
PRIdMAX
"
\n
"
,
lineno
,
process
,
lower_bound
,
upper_bound
);
}
else
if
(
lower_bound
!=
NoBound
)
{
fprintf
(
stderr
,
"%d: OER %s constraints %"
PRIdMAX
"..MAX
\n
"
,
lineno
,
process
,
lower_bound
);
}
else
if
(
upper_bound
!=
NoBound
)
{
fprintf
(
stderr
,
"%d: OER %s constraints MIN..%"
PRIdMAX
"
\n
"
,
lineno
,
process
,
upper_bound
);
}
}
return
constraints
;
}
static
void
check_decode
(
int
lineno
,
enum
asn_dec_rval_code_e
code
,
intmax_t
control
,
const
char
*
buf
,
size_t
size
,
const
char
*
dummy
,
intmax_t
lower_bound
,
intmax_t
upper_bound
)
{
static
char
*
code_s
[]
=
{
"RC_OK"
,
"RC_WMORE"
,
"RC_FAIL"
,
"<error>"
};
fprintf
(
stderr
,
"
\n
%d: OER decode (control %"
PRIdMAX
")
\n
"
,
lineno
,
control
);
INTEGER_t
*
st
=
NULL
;
asn_dec_rval_t
ret
;
asn_oer_constraints_t
*
constraints
=
setup_constraints
(
lineno
,
"decoding"
,
lower_bound
,
upper_bound
);
fprintf
(
stderr
,
"%d: buf[%zu]={%d, %d, ...}
\n
"
,
lineno
,
size
,
((
const
uint8_t
*
)
buf
)[
0
],
((
const
uint8_t
*
)
buf
)[
1
]);
(
void
)
dummy
;
ret
=
asn_DEF_INTEGER
.
oer_decoder
(
0
,
&
asn_DEF_INTEGER
,
constraints
,
...
...
@@ -77,46 +109,51 @@ check_decode(int lineno, enum asn_dec_rval_code_e code, intmax_t control, const
fprintf
(
stderr
,
"%d: Decode result %"
PRIdMAX
"
\n
"
,
lineno
,
control
);
}
static
void
dump_data
(
int
lineno
,
const
uint8_t
*
buf
,
size_t
size
)
{
const
uint8_t
*
p
=
buf
;
const
uint8_t
*
end
=
buf
+
size
;
fprintf
(
stderr
,
"%d: Encoded: ["
,
lineno
);
for
(;
p
<
end
;
p
++
)
{
fprintf
(
stderr
,
"
\\
x%02x"
,
*
(
const
unsigned
char
*
)
p
);
}
fprintf
(
stderr
,
"] (%zu bytes)
\n
"
,
size
);
}
static
void
check_roundtrip
(
int
lineno
,
intmax_t
value
,
intmax_t
lower_bound
,
intmax_t
upper_bound
)
{
uint8_t
tmpbuf
[
32
];
size_t
tmpbuf_size
;
fprintf
(
stderr
,
"
\n
%d: OER round-trip value %"
PRIdMAX
"
\n
"
,
lineno
,
value
);
INTEGER_t
*
stOut
=
(
INTEGER_t
*
)
calloc
(
1
,
sizeof
(
*
stOut
));
INTEGER_t
*
stIn
=
NULL
;
asn_enc_rval_t
er
;
asn_dec_rval_t
ret
;
struct
asn_oer_constraints_s
empty_constraints
=
{{
0
,
0
,
0
},
{
0
,
0
,
0
}};
struct
asn_oer_constraints_s
*
constraints
=
&
empty_constraints
;
struct
asn_oer_constraint_s
*
ct_value
=
&
constraints
->
value
;
/* Setup integer constraints as requested */
if
(
lower_bound
==
NoBound
&&
upper_bound
==
NoBound
)
{
constraints
=
NULL
;
}
else
{
if
(
lower_bound
!=
NoBound
)
{
ct_value
->
flags
|=
AOC_HAS_LOWER_BOUND
;
ct_value
->
lower_bound
=
lower_bound
;
}
if
(
upper_bound
!=
NoBound
)
{
ct_value
->
flags
|=
AOC_HAS_UPPER_BOUND
;
ct_value
->
upper_bound
=
upper_bound
;
}
}
asn_oer_constraints_t
*
constraints
=
setup_constraints
(
lineno
,
"encoding"
,
lower_bound
,
upper_bound
);
if
(
asn_imax2INTEGER
(
stOut
,
value
)
==
-
1
)
{
assert
(
!
"Unreachable"
);
assert
(
!
"Unreachable imax2INTEGER failure"
);
}
else
{
assert
(
stOut
->
buf
!=
NULL
);
assert
(
stOut
->
size
!=
0
);
}
er
=
oer_encode_to_buffer
(
&
asn_DEF_INTEGER
,
constraints
,
stOut
,
tmpbuf
,
sizeof
(
tmpbuf
));
if
(
er
.
encoded
!
=
-
1
)
{
fprintf
(
stderr
,
"%d:
oer
encode failed for %s
\n
"
,
lineno
,
if
(
er
.
encoded
=
=
-
1
)
{
fprintf
(
stderr
,
"%d:
OER
encode failed for %s
\n
"
,
lineno
,
er
.
failed_type
?
er
.
failed_type
->
name
:
"<none>"
);
assert
(
er
.
encoded
!=
-
1
);
}
tmpbuf_size
=
er
.
encoded
;
ASN_STRUCT_FREE
(
asn_DEF_INTEGER
,
stOut
);
dump_data
(
lineno
,
tmpbuf
,
tmpbuf_size
);
ret
=
asn_DEF_INTEGER
.
oer_decoder
(
0
,
&
asn_DEF_INTEGER
,
constraints
,
(
void
**
)
&
stIn
,
tmpbuf
,
tmpbuf_size
);
...
...
@@ -144,9 +181,46 @@ check_roundtrip(int lineno, intmax_t value, intmax_t lower_bound, intmax_t upper
}
}
ASN_STRUCT_FREE
(
asn_DEF_INTEGER
,
stIn
);
fprintf
(
stderr
,
"%d: Decode result %"
PRIdMAX
"
\n
"
,
lineno
,
value
);
}
static
void
check_encode
(
int
lineno
,
int
bad
,
intmax_t
value
,
intmax_t
lower_bound
,
intmax_t
upper_bound
)
{
uint8_t
tmpbuf
[
32
];
fprintf
(
stderr
,
"
\n
%d: OER encode value %"
PRIdMAX
"
\n
"
,
lineno
,
value
);
INTEGER_t
*
stOut
=
(
INTEGER_t
*
)
calloc
(
1
,
sizeof
(
*
stOut
));
asn_enc_rval_t
er
;
asn_oer_constraints_t
*
constraints
=
setup_constraints
(
lineno
,
"encoding"
,
lower_bound
,
upper_bound
);
if
(
asn_imax2INTEGER
(
stOut
,
value
)
==
-
1
)
{
assert
(
!
"Unreachable imax2INTEGER failure"
);
}
else
{
assert
(
stOut
->
buf
!=
NULL
);
assert
(
stOut
->
size
!=
0
);
}
er
=
oer_encode_to_buffer
(
&
asn_DEF_INTEGER
,
constraints
,
stOut
,
tmpbuf
,
sizeof
(
tmpbuf
));
if
(
er
.
encoded
==
-
1
)
{
fprintf
(
stderr
,
"%d: OER encode failed for %s%s
\n
"
,
lineno
,
er
.
failed_type
?
er
.
failed_type
->
name
:
"<none>"
,
bad
?
" (expected)"
:
""
);
if
(
!
bad
)
{
assert
(
er
.
encoded
!=
-
1
);
}
}
else
{
dump_data
(
lineno
,
tmpbuf
,
er
.
encoded
);
if
(
bad
)
{
assert
(
er
.
encoded
==
-
1
);
}
}
ASN_STRUCT_FREE
(
asn_DEF_INTEGER
,
stOut
);
}
int
main
()
{
CHECK_DECODE
(
RC_WMORE
,
0
,
""
,
0
,
"bounds="
,
NoBound
,
NoBound
);
...
...
@@ -176,6 +250,69 @@ main() {
CHECK_ROUNDTRIP
(
0
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
1
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
-
1
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
-
65000
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
65000
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
65535
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
-
65535
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
-
65536
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
65536
,
NoBound
,
NoBound
);
CHECK_ROUNDTRIP
(
0
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
1
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
-
1
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
-
127
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
-
128
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
127
,
-
128
,
127
);
CHECK_ROUNDTRIP
(
1
,
32000
,
32000
);
/* Sic! */
CHECK_ROUNDTRIP
(
32000
,
0
,
32000
);
/* Sic! */
CHECK_ROUNDTRIP
(
32000
,
-
32000
,
32000
);
/* Sic! */
CHECK_ROUNDTRIP
(
1
,
65000
,
65000
);
/* Sic! */
CHECK_ROUNDTRIP
(
65535
,
0
,
65000
);
/* Sic! */
CHECK_ROUNDTRIP
(
65535
,
-
65000
,
65000
);
/* Sic! */
CHECK_ENCODE_OK
(
0
,
0
,
255
);
CHECK_ENCODE_OK
(
255
,
0
,
255
);
CHECK_ENCODE_BAD
(
256
,
0
,
255
);
CHECK_ENCODE_OK
(
0
,
-
128
,
127
);
CHECK_ENCODE_OK
(
127
,
-
128
,
127
);
CHECK_ENCODE_OK
(
-
128
,
-
128
,
127
);
CHECK_ENCODE_BAD
(
-
129
,
-
128
,
127
);
CHECK_ENCODE_BAD
(
128
,
-
128
,
127
);
CHECK_ENCODE_OK
(
-
4900000000
,
-
5000000000
,
5000000000
);
CHECK_ENCODE_OK
(
4900000000
,
-
5000000000
,
5000000000
);
CHECK_ENCODE_OK
(
-
2000000000
,
-
4000000000
,
0
);
CHECK_ENCODE_OK
(
-
4000000000
,
-
4000000000
,
0
);
CHECK_ENCODE_BAD
(
-
4900000000
,
0
,
4000000000
);
CHECK_ENCODE_BAD
(
-
1
,
0
,
4000000000
);
CHECK_ENCODE_BAD
(
4900000000
,
0
,
4000000000
);
CHECK_ENCODE_OK
(
4100000000
,
0
,
4000000000
);
/* Sic! */
for
(
size_t
i
=
0
;
i
<
7
;
i
++
)
{
intmax_t
value
=
(
intmax_t
)
1
<<
i
;
CHECK_ROUNDTRIP
(
value
,
0
,
255
);
value
=
-
value
;
CHECK_ROUNDTRIP
(
value
,
-
128
,
127
);
}
for
(
size_t
i
=
0
;
i
<
16
;
i
++
)
{
intmax_t
value
=
(
intmax_t
)
1
<<
i
;
CHECK_ROUNDTRIP
(
value
,
0
,
65535
);
value
=
-
value
;
CHECK_ROUNDTRIP
(
value
,
-
32768
,
32767
);
}
for
(
size_t
i
=
0
;
i
<
32
;
i
++
)
{
intmax_t
value
=
(
intmax_t
)
1
<<
i
;
CHECK_ROUNDTRIP
(
value
,
0
,
4294967296UL
);
value
=
-
value
;
CHECK_ROUNDTRIP
(
value
,
-
2147483648L
,
2147483647L
);
}
for
(
size_t
i
=
0
;
i
<
8
*
sizeof
(
intmax_t
)
;
i
++
)
{
intmax_t
value
=
(
intmax_t
)
1
<<
i
;
CHECK_ROUNDTRIP
(
value
,
NoBound
,
NoBound
);
value
=
-
value
;
CHECK_ROUNDTRIP
(
value
,
NoBound
,
NoBound
);
}
}
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