Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
A
asn1c
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Libraries
asn1c
Commits
0be3a998
Commit
0be3a998
authored
Oct 21, 2004
by
Lev Walkin
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
INTEGER XER decoding
parent
2ffc01d3
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
107 additions
and
5 deletions
+107
-5
skeletons/INTEGER.c
skeletons/INTEGER.c
+16
-5
skeletons/asn_codecs_prim.c
skeletons/asn_codecs_prim.c
+28
-0
skeletons/tests/check-INTEGER.c
skeletons/tests/check-INTEGER.c
+63
-0
No files found.
skeletons/INTEGER.c
View file @
0be3a998
...
@@ -183,6 +183,7 @@ static ssize_t
...
@@ -183,6 +183,7 @@ static ssize_t
INTEGER__xer_body_decode
(
INTEGER_t
*
st
,
void
*
chunk_buf
,
size_t
chunk_size
)
{
INTEGER__xer_body_decode
(
INTEGER_t
*
st
,
void
*
chunk_buf
,
size_t
chunk_size
)
{
long
sign
=
1
;
long
sign
=
1
;
long
value
;
long
value
;
char
*
lp
;
char
*
lstart
=
(
char
*
)
chunk_buf
;
char
*
lstart
=
(
char
*
)
chunk_buf
;
char
*
lstop
=
chunk_buf
+
chunk_size
;
char
*
lstop
=
chunk_buf
+
chunk_size
;
enum
{
enum
{
...
@@ -190,12 +191,13 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
...
@@ -190,12 +191,13 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
ST_WAITDIGITS
,
ST_WAITDIGITS
,
ST_DIGITS
,
ST_DIGITS
,
}
state
=
ST_SKIPSPACE
;
}
state
=
ST_SKIPSPACE
;
/*
/*
* We may receive a tag here. But we aren't ready to deal with it yet.
* We may receive a tag here. But we aren't ready to deal with it yet.
* So, just use stroul()-like code and serialize the result.
* So, just use stroul()-like code and serialize the result.
*/
*/
for
(
value
=
0
;
lstart
<
lstop
;
lstart
++
)
{
for
(
value
=
0
,
lp
=
lstart
;
lp
<
lstop
;
lp
++
)
{
int
lv
=
*
l
start
;
int
lv
=
*
l
p
;
switch
(
lv
)
{
switch
(
lv
)
{
case
0x09
:
case
0x0a
:
case
0x0d
:
case
0x20
:
case
0x09
:
case
0x0a
:
case
0x0d
:
case
0x20
:
if
(
state
==
ST_SKIPSPACE
)
continue
;
if
(
state
==
ST_SKIPSPACE
)
continue
;
...
@@ -217,20 +219,29 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
...
@@ -217,20 +219,29 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
case
0x35
:
case
0x36
:
case
0x37
:
case
0x38
:
case
0x39
:
case
0x35
:
case
0x36
:
case
0x37
:
case
0x38
:
case
0x39
:
if
(
state
!=
ST_DIGITS
)
state
=
ST_DIGITS
;
if
(
state
!=
ST_DIGITS
)
state
=
ST_DIGITS
;
value
=
value
*
10
+
(
lv
-
0x30
);
{
long
new_value
=
value
*
10
;
if
(
new_value
/
10
!=
value
)
/* Overflow */
return
-
1
;
value
=
new_value
+
(
lv
-
0x30
);
/* Check for two's complement overflow */
/* Check for two's complement overflow */
if
(
value
<
0
)
{
if
(
value
<
0
)
{
/* Check whether it is a LONG_MIN */
/* Check whether it is a LONG_MIN */
if
(
sign
==
-
1
if
(
sign
==
-
1
&&
value
==
~
((
unsigned
long
)
-
1
>>
1
))
{
&&
value
==
~
((
unsigned
long
)
-
1
>>
1
))
{
sign
=
0
;
sign
=
1
;
}
else
{
}
else
{
/* Overflow */
/* Overflow */
return
-
1
;
return
-
1
;
}
}
}
}
}
continue
;
continue
;
}
}
break
;
}
}
if
(
state
!=
ST_DIGITS
)
if
(
state
!=
ST_DIGITS
)
...
@@ -241,7 +252,7 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
...
@@ -241,7 +252,7 @@ INTEGER__xer_body_decode(INTEGER_t *st, void *chunk_buf, size_t chunk_size) {
if
(
asn_long2INTEGER
(
st
,
value
))
if
(
asn_long2INTEGER
(
st
,
value
))
return
-
1
;
return
-
1
;
return
l
sto
p
-
lstart
;
return
lp
-
lstart
;
}
}
asn_dec_rval_t
asn_dec_rval_t
...
...
skeletons/asn_codecs_prim.c
View file @
0be3a998
...
@@ -143,12 +143,38 @@ struct xdp_arg_s {
...
@@ -143,12 +143,38 @@ struct xdp_arg_s {
int
want_more
;
int
want_more
;
};
};
/*
* Check whether this buffer consists of entirely XER whitespace characters.
*/
static
int
xer_decode__check_whitespace
(
void
*
chunk_buf
,
size_t
chunk_size
)
{
char
*
p
=
(
char
*
)
chunk_buf
;
char
*
pend
=
p
+
chunk_size
;
for
(;
p
<
pend
;
p
++
)
{
switch
(
*
p
)
{
/* X.693, #8.1.4
* HORISONTAL TAB (9)
* LINE FEED (10)
* CARRIAGE RETURN (13)
* SPACE (32)
*/
case
0x09
:
case
0x0a
:
case
0x0d
:
case
0x20
:
break
;
default:
return
0
;
}
}
return
1
;
/* All whitespace */
}
static
int
static
int
xer_decode__unexpected_tag
(
void
*
key
,
void
*
chunk_buf
,
size_t
chunk_size
)
{
xer_decode__unexpected_tag
(
void
*
key
,
void
*
chunk_buf
,
size_t
chunk_size
)
{
struct
xdp_arg_s
*
arg
=
(
struct
xdp_arg_s
*
)
key
;
struct
xdp_arg_s
*
arg
=
(
struct
xdp_arg_s
*
)
key
;
ssize_t
decoded
;
ssize_t
decoded
;
if
(
arg
->
decoded_something
)
{
if
(
arg
->
decoded_something
)
{
if
(
xer_decode__check_whitespace
(
chunk_buf
,
chunk_size
))
return
chunk_size
;
/*
/*
* Decoding was done once already. Prohibit doing it again.
* Decoding was done once already. Prohibit doing it again.
*/
*/
...
@@ -171,6 +197,8 @@ xer_decode__body(void *key, void *chunk_buf, size_t chunk_size, int have_more) {
...
@@ -171,6 +197,8 @@ xer_decode__body(void *key, void *chunk_buf, size_t chunk_size, int have_more) {
ssize_t
decoded
;
ssize_t
decoded
;
if
(
arg
->
decoded_something
)
{
if
(
arg
->
decoded_something
)
{
if
(
xer_decode__check_whitespace
(
chunk_buf
,
chunk_size
))
return
chunk_size
;
/*
/*
* Decoding was done once already. Prohibit doing it again.
* Decoding was done once already. Prohibit doing it again.
*/
*/
...
...
skeletons/tests/check-INTEGER.c
View file @
0be3a998
...
@@ -78,6 +78,34 @@ check(uint8_t *buf, int size, long check_long, int check_ret) {
...
@@ -78,6 +78,34 @@ check(uint8_t *buf, int size, long check_long, int check_ret) {
}
}
}
}
static
void
check_xer
(
int
tofail
,
char
*
xmldata
,
long
orig_value
)
{
INTEGER_t
*
st
=
0
;
asn_dec_rval_t
rc
;
long
value
;
int
ret
;
printf
(
"[%s] vs %ld:
\n
"
,
xmldata
,
orig_value
);
rc
=
xer_decode
(
0
,
&
asn_DEF_INTEGER
,
(
void
*
)
&
st
,
xmldata
,
strlen
(
xmldata
));
if
(
rc
.
code
!=
RC_OK
)
{
assert
(
tofail
);
printf
(
"
\t
failed, as expected
\n
"
);
return
;
}
assert
(
!
tofail
);
ret
=
asn_INTEGER2long
(
st
,
&
value
);
assert
(
ret
==
0
);
printf
(
"
\t
%ld
\n
"
,
value
);
assert
(
value
==
orig_value
);
asn_DEF_INTEGER
.
free_struct
(
&
asn_DEF_INTEGER
,
st
,
0
);
}
int
int
main
(
int
ac
,
char
**
av
)
{
main
(
int
ac
,
char
**
av
)
{
uint8_t
buf1
[]
=
{
1
};
uint8_t
buf1
[]
=
{
1
};
...
@@ -110,5 +138,40 @@ main(int ac, char **av) {
...
@@ -110,5 +138,40 @@ main(int ac, char **av) {
CHECK
(
buf12
,
-
32768
,
0
);
CHECK
(
buf12
,
-
32768
,
0
);
CHECK
(
buf13
,
-
128
,
0
);
CHECK
(
buf13
,
-
128
,
0
);
check_xer
(
-
1
,
""
,
0
);
check_xer
(
-
1
,
"<INTEGER></INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>-</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>+</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>+-</INTEGER>"
,
0
);
check_xer
(
0
,
"<INTEGER>+0</INTEGER>"
,
0
);
check_xer
(
0
,
"<INTEGER>-0</INTEGER>"
,
0
);
check_xer
(
0
,
"<INTEGER>+1</INTEGER>"
,
1
);
check_xer
(
0
,
"<INTEGER>-1</INTEGER>"
,
-
1
);
check_xer
(
0
,
"<INTEGER>1</INTEGER>"
,
1
);
check_xer
(
0
,
"<INTEGER>-15</INTEGER>"
,
-
15
);
check_xer
(
0
,
"<INTEGER>+15</INTEGER>"
,
15
);
check_xer
(
0
,
"<INTEGER>15</INTEGER>"
,
15
);
check_xer
(
0
,
"<INTEGER> 15</INTEGER>"
,
15
);
check_xer
(
0
,
"<INTEGER> 15 </INTEGER>"
,
15
);
check_xer
(
0
,
"<INTEGER>15 </INTEGER>"
,
15
);
check_xer
(
0
,
"<INTEGER> +15 </INTEGER>"
,
15
);
check_xer
(
-
1
,
"<INTEGER> +15 -</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER> +15 1</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>+ 15</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>12<z>34</INTEGER>"
,
0
);
check_xer
(
0
,
"<INTEGER>1234</INTEGER>"
,
1234
);
check_xer
(
-
1
,
"<INTEGER>1234 5678</INTEGER>"
,
0
);
check_xer
(
0
,
"<INTEGER>-2147483647</INTEGER>"
,
-
2147483647
);
check_xer
(
0
,
"<INTEGER>-2147483648</INTEGER>"
,
-
2147483648
);
check_xer
(
0
,
"<INTEGER>+2147483647</INTEGER>"
,
2147483647
);
check_xer
(
0
,
"<INTEGER>2147483647</INTEGER>"
,
2147483647
);
check_xer
(
-
1
,
"<INTEGER>2147483648</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>2147483649</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>3147483649</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>4147483649</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>5147483649</INTEGER>"
,
0
);
/* unobvious */
check_xer
(
-
1
,
"<INTEGER>9147483649</INTEGER>"
,
0
);
check_xer
(
-
1
,
"<INTEGER>9999999999</INTEGER>"
,
0
);
return
0
;
return
0
;
}
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment