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-rw-r--r--src/libstrongswan/asn1/asn1.c108
-rw-r--r--src/libstrongswan/asn1/asn1.h10
-rw-r--r--src/libstrongswan/asn1/asn1_parser.c36
-rw-r--r--src/libstrongswan/asn1/asn1_parser.h6
4 files changed, 80 insertions, 80 deletions
diff --git a/src/libstrongswan/asn1/asn1.c b/src/libstrongswan/asn1/asn1.c
index 2d402f72a..69bb6523f 100644
--- a/src/libstrongswan/asn1/asn1.c
+++ b/src/libstrongswan/asn1/asn1.c
@@ -44,7 +44,7 @@ const chunk_t ASN1_INTEGER_2 = chunk_from_buf(ASN1_INTEGER_2_str);
chunk_t asn1_algorithmIdentifier(int oid)
{
chunk_t parameters;
-
+
/* some algorithmIdentifiers have a NULL parameters field and some do not */
switch (oid)
{
@@ -68,7 +68,7 @@ chunk_t asn1_algorithmIdentifier(int oid)
int asn1_known_oid(chunk_t object)
{
int oid = 0;
-
+
while (object.len)
{
if (oid_names[oid].octet == *object.ptr)
@@ -104,17 +104,17 @@ chunk_t asn1_build_known_oid(int n)
{
chunk_t oid;
int i;
-
+
if (n < 0 || n >= OID_MAX)
{
return chunk_empty;
}
-
+
i = oid_names[n].level + 1;
oid = chunk_alloc(2 + i);
oid.ptr[0] = ASN1_OID;
oid.ptr[1] = i;
-
+
do
{
if (oid_names[n].level >= i)
@@ -125,7 +125,7 @@ chunk_t asn1_build_known_oid(int n)
oid.ptr[--i + 2] = oid_names[n--].octet;
}
while (i > 0);
-
+
return oid;
}
@@ -136,18 +136,18 @@ size_t asn1_length(chunk_t *blob)
{
u_char n;
size_t len;
-
+
if (blob->len < 2)
{
DBG2("insufficient number of octets to parse ASN.1 length");
return ASN1_INVALID_LENGTH;
}
-
+
/* read length field, skip tag and length */
n = blob->ptr[1];
*blob = chunk_skip(*blob, 2);
-
- if ((n & 0x80) == 0)
+
+ if ((n & 0x80) == 0)
{ /* single length octet */
if (n > blob->len)
{
@@ -156,25 +156,25 @@ size_t asn1_length(chunk_t *blob)
}
return n;
}
-
+
/* composite length, determine number of length octets */
n &= 0x7f;
-
+
if (n == 0 || n > blob->len)
{
DBG2("number of length octets invalid");
return ASN1_INVALID_LENGTH;
}
-
+
if (n > sizeof(len))
{
- DBG2("number of length octets is larger than limit of %d octets",
+ DBG2("number of length octets is larger than limit of %d octets",
(int)sizeof(len));
return ASN1_INVALID_LENGTH;
}
-
+
len = 0;
-
+
while (n-- > 0)
{
len = 256*len + *blob->ptr++;
@@ -196,7 +196,7 @@ int asn1_unwrap(chunk_t *blob, chunk_t *inner)
chunk_t res;
u_char len;
int type;
-
+
if (blob->len < 2)
{
return ASN1_INVALID;
@@ -204,7 +204,7 @@ int asn1_unwrap(chunk_t *blob, chunk_t *inner)
type = blob->ptr[0];
len = blob->ptr[1];
*blob = chunk_skip(*blob, 2);
-
+
if ((len & 0x80) == 0)
{ /* single length octet */
res.len = len;
@@ -250,7 +250,7 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type)
int tz_hour, tz_min, tz_offset;
time_t tm_secs;
u_char *eot = NULL;
-
+
if ((eot = memchr(utctime->ptr, 'Z', utctime->len)) != NULL)
{
tz_offset = 0; /* Zulu time with a zero time zone offset */
@@ -275,19 +275,19 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type)
{
return 0; /* error in time format */
}
-
+
/* parse ASN.1 time string */
{
const char* format = (type == ASN1_UTCTIME)? "%2d%2d%2d%2d%2d":
"%4d%2d%2d%2d%2d";
-
+
if (sscanf(utctime->ptr, format, &tm_year, &tm_mon, &tm_day,
&tm_hour, &tm_min) != 5)
{
return 0; /* error in [yy]yymmddhhmm time format */
}
}
-
+
/* is there a seconds field? */
if ((eot - utctime->ptr) == ((type == ASN1_UTCTIME)?12:14))
{
@@ -300,13 +300,13 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type)
{
tm_sec = 0;
}
-
+
/* representation of two-digit years */
if (type == ASN1_UTCTIME)
{
tm_year += (tm_year < 50) ? 2000 : 1900;
}
-
+
/* prevent large 32 bit integer overflows */
if (sizeof(time_t) == 4 && tm_year > 2038)
{
@@ -319,7 +319,7 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type)
return 0; /* error in month format */
}
tm_mon--;
-
+
/* representation of days as 0..30 */
tm_day--;
@@ -352,7 +352,7 @@ chunk_t asn1_from_time(const time_t *time, asn1_t type)
char buf[BUF_LEN];
chunk_t formatted_time;
struct tm t;
-
+
gmtime_r(time, &t);
if (type == ASN1_GENERALIZEDTIME)
{
@@ -364,7 +364,7 @@ chunk_t asn1_from_time(const time_t *time, asn1_t type)
format = "%02d%02d%02d%02d%02d%02dZ";
offset = (t.tm_year < 100)? 0 : -100;
}
- snprintf(buf, BUF_LEN, format, t.tm_year + offset,
+ snprintf(buf, BUF_LEN, format, t.tm_year + offset,
t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
formatted_time.ptr = buf;
formatted_time.len = strlen(buf);
@@ -377,7 +377,7 @@ chunk_t asn1_from_time(const time_t *time, asn1_t type)
void asn1_debug_simple_object(chunk_t object, asn1_t type, bool private)
{
int oid;
-
+
switch (type)
{
case ASN1_OID:
@@ -422,30 +422,30 @@ void asn1_debug_simple_object(chunk_t object, asn1_t type, bool private)
bool asn1_parse_simple_object(chunk_t *object, asn1_t type, u_int level, const char* name)
{
size_t len;
-
+
/* an ASN.1 object must possess at least a tag and length field */
if (object->len < 2)
{
DBG2("L%d - %s: ASN.1 object smaller than 2 octets", level, name);
return FALSE;
}
-
+
if (*object->ptr != type)
{
DBG2("L%d - %s: ASN1 tag 0x%02x expected, but is 0x%02x",
level, name, type, *object->ptr);
return FALSE;
}
-
+
len = asn1_length(object);
-
+
if (len == ASN1_INVALID_LENGTH || object->len < len)
{
DBG2("L%d - %s: length of ASN.1 object invalid or too large",
level, name);
return FALSE;
}
-
+
DBG2("L%d - %s:", level, name);
asn1_debug_simple_object(*object, type, FALSE);
return TRUE;
@@ -473,10 +473,10 @@ int asn1_parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *parameters
chunk_t object;
int objectID;
int alg = OID_UNKNOWN;
-
+
parser = asn1_parser_create(algorithmIdentifierObjects, blob);
parser->set_top_level(parser, level0);
-
+
while (parser->iterate(parser, &objectID, &object))
{
switch (objectID)
@@ -538,7 +538,7 @@ bool asn1_is_printablestring(chunk_t str)
const char printablestring_charset[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 '()+,-./:=?";
u_int i;
-
+
for (i = 0; i < str.len; i++)
{
if (strchr(printablestring_charset, str.ptr[i]) == NULL)
@@ -588,24 +588,24 @@ u_char* asn1_build_object(chunk_t *object, asn1_t type, size_t datalen)
u_char length_buf[4];
chunk_t length = { length_buf, 0 };
u_char *pos;
-
+
/* code the asn.1 length field */
asn1_code_length(datalen, &length);
-
+
/* allocate memory for the asn.1 TLV object */
object->len = 1 + length.len + datalen;
object->ptr = malloc(object->len);
-
+
/* set position pointer at the start of the object */
pos = object->ptr;
-
+
/* copy the asn.1 tag field and advance the pointer */
*pos++ = type;
-
+
/* copy the asn.1 length field and advance the pointer */
- memcpy(pos, length.ptr, length.len);
+ memcpy(pos, length.ptr, length.len);
pos += length.len;
-
+
return pos;
}
@@ -615,11 +615,11 @@ u_char* asn1_build_object(chunk_t *object, asn1_t type, size_t datalen)
chunk_t asn1_simple_object(asn1_t tag, chunk_t content)
{
chunk_t object;
-
+
u_char *pos = asn1_build_object(&object, tag, content.len);
- memcpy(pos, content.ptr, content.len);
+ memcpy(pos, content.ptr, content.len);
pos += content.len;
-
+
return object;
}
@@ -686,8 +686,8 @@ chunk_t asn1_wrap(asn1_t type, const char *mode, ...)
u_char *pos;
int i;
int count = strlen(mode);
-
- /* sum up lengths of individual chunks */
+
+ /* sum up lengths of individual chunks */
va_start(chunks, mode);
construct.len = 0;
for (i = 0; i < count; i++)
@@ -696,16 +696,16 @@ chunk_t asn1_wrap(asn1_t type, const char *mode, ...)
construct.len += ch.len;
}
va_end(chunks);
-
+
/* allocate needed memory for construct */
pos = asn1_build_object(&construct, type, construct.len);
-
+
/* copy or move the chunks */
va_start(chunks, mode);
for (i = 0; i < count; i++)
{
chunk_t ch = va_arg(chunks, chunk_t);
-
+
memcpy(pos, ch.ptr, ch.len);
pos += ch.len;
@@ -722,7 +722,7 @@ chunk_t asn1_wrap(asn1_t type, const char *mode, ...)
}
}
va_end(chunks);
-
+
return construct;
}
@@ -748,10 +748,10 @@ time_t asn1_parse_time(chunk_t blob, int level0)
chunk_t object;
int objectID;
time_t utc_time = 0;
-
+
parser= asn1_parser_create(timeObjects, blob);
parser->set_top_level(parser, level0);
-
+
while (parser->iterate(parser, &objectID, &object))
{
if (objectID == TIME_UTC || objectID == TIME_GENERALIZED)
diff --git a/src/libstrongswan/asn1/asn1.h b/src/libstrongswan/asn1/asn1.h
index 655240136..f79a53a30 100644
--- a/src/libstrongswan/asn1/asn1.h
+++ b/src/libstrongswan/asn1/asn1.h
@@ -14,7 +14,7 @@
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
-
+
/**
* @defgroup asn1i asn1
* @{ @ingroup asn1
@@ -103,7 +103,7 @@ chunk_t asn1_algorithmIdentifier(int oid);
* Converts an ASN.1 OID into a known OID index
*
* @param object body of an OID
- * @return index into the oid_names[] table or OID_UNKNOWN
+ * @return index into the oid_names[] table or OID_UNKNOWN
*/
int asn1_known_oid(chunk_t object);
@@ -139,7 +139,7 @@ int asn1_unwrap(chunk_t *blob, chunk_t *content);
* @param blob ASN.1 coded blob
* @param level0 top-most level offset
* @param params returns optional [ASN.1 coded] parameters
- * @return known OID index or OID_UNKNOWN
+ * @return known OID index or OID_UNKNOWN
*/
int asn1_parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *params);
@@ -178,7 +178,7 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type);
*
* @param time time_t in UTC
* @param type ASN1_UTCTIME or ASN1_GENERALIZEDTIME
- * @return body of an ASN.1 code time object
+ * @return body of an ASN.1 code time object
*/
chunk_t asn1_from_time(const time_t *time, asn1_t type);
@@ -187,7 +187,7 @@ chunk_t asn1_from_time(const time_t *time, asn1_t type);
*
* @param blob ASN.1 coded time object
* @param level0 top-most level offset
- * @return time_t in UTC
+ * @return time_t in UTC
*/
time_t asn1_parse_time(chunk_t blob, int level0);
diff --git a/src/libstrongswan/asn1/asn1_parser.c b/src/libstrongswan/asn1/asn1_parser.c
index bc4c0b50f..5f635ec2c 100644
--- a/src/libstrongswan/asn1/asn1_parser.c
+++ b/src/libstrongswan/asn1/asn1_parser.c
@@ -54,7 +54,7 @@ struct private_asn1_parser_t {
bool success;
/**
- * Declare object data as private - use debug level 4 to log it
+ * Declare object data as private - use debug level 4 to log it
*/
bool private;
@@ -88,7 +88,7 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
u_char *start_ptr;
u_int level;
asn1Object_t obj;
-
+
*object = chunk_empty;
/* Advance to the next object syntax definition line */
@@ -99,7 +99,7 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
{
return FALSE;
}
-
+
if (obj.flags & ASN1_END) /* end of loop or option found */
{
if (this->loopAddr[obj.level] && this->blobs[obj.level+1].len > 0)
@@ -113,12 +113,12 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
goto end;
}
}
-
+
level = this->level0 + obj.level;
blob = this->blobs + obj.level;
blob1 = blob + 1;
start_ptr = blob->ptr;
-
+
/* handle ASN.1 defaults values */
if ((obj.flags & ASN1_DEF) && (blob->len == 0 || *start_ptr != obj.type) )
{
@@ -130,9 +130,9 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
}
goto end;
}
-
+
/* handle ASN.1 options */
-
+
if ((obj.flags & ASN1_OPT)
&& (blob->len == 0 || *start_ptr != obj.type))
{
@@ -145,9 +145,9 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
(this->objects[this->line].level == obj.level)));
goto end;
}
-
+
/* an ASN.1 object must possess at least a tag and length field */
-
+
if (blob->len < 2)
{
DBG1("L%d - %s: ASN.1 object smaller than 2 octets",
@@ -155,22 +155,22 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
this->success = FALSE;
goto end;
}
-
+
blob1->len = asn1_length(blob);
-
+
if (blob1->len == ASN1_INVALID_LENGTH)
{
- DBG1("L%d - %s: length of ASN.1 object invalid or too large",
+ DBG1("L%d - %s: length of ASN.1 object invalid or too large",
level, obj.name);
this->success = FALSE;
}
-
+
blob1->ptr = blob->ptr;
blob->ptr += blob1->len;
blob->len -= blob1->len;
-
+
/* return raw ASN.1 object without prior type checking */
-
+
if (obj.flags & ASN1_RAW)
{
DBG2("L%d - %s:", level, obj.name);
@@ -187,10 +187,10 @@ static bool iterate(private_asn1_parser_t *this, int *objectID, chunk_t *object)
this->success = FALSE;
goto end;
}
-
+
DBG2("L%d - %s:", level, obj.name);
-
- /* In case of "SEQUENCE OF" or "SET OF" start a loop */
+
+ /* In case of "SEQUENCE OF" or "SET OF" start a loop */
if (obj.flags & ASN1_LOOP)
{
if (blob1->len > 0)
diff --git a/src/libstrongswan/asn1/asn1_parser.h b/src/libstrongswan/asn1/asn1_parser.h
index b2f4133a1..ee6ec57fd 100644
--- a/src/libstrongswan/asn1/asn1_parser.h
+++ b/src/libstrongswan/asn1/asn1_parser.h
@@ -14,7 +14,7 @@
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
-
+
/**
* @defgroup asn1_parser asn1_parser
* @{ @ingroup asn1
@@ -57,7 +57,7 @@ struct asn1Object_t{
typedef struct asn1_parser_t asn1_parser_t;
/**
- * Public interface of an ASN.1 parser
+ * Public interface of an ASN.1 parser
*/
struct asn1_parser_t {
@@ -106,7 +106,7 @@ struct asn1_parser_t {
*/
void (*destroy)(asn1_parser_t *this);
};
-
+
/**
* Create an ASN.1 parser
*