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added private flag to asn1_ctx_t

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This commit is contained in:
Andreas Steffen
2006-10-25 08:30:33 +00:00
parent a1fd9e6b7e
commit e4738363c1
2 changed files with 25 additions and 16 deletions
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src/libstrongswan/asn1/asn1.c
+15 -7
View File
@@ -276,18 +276,20 @@ time_t asn1totime(const chunk_t *utctime, asn1_t type)
/** /**
* Initializes the internal context of the ASN.1 parser * Initializes the internal context of the ASN.1 parser
*/ */
void asn1_init(asn1_ctx_t *ctx, chunk_t blob, u_int level0, bool implicit) void asn1_init(asn1_ctx_t *ctx, chunk_t blob, u_int level0,
bool implicit, bool private)
{ {
ctx->blobs[0] = blob; ctx->blobs[0] = blob;
ctx->level0 = level0; ctx->level0 = level0;
ctx->implicit = implicit; ctx->implicit = implicit;
ctx->private = private;
memset(ctx->loopAddr, '\0', sizeof(ctx->loopAddr)); memset(ctx->loopAddr, '\0', sizeof(ctx->loopAddr));
} }
/** /**
* print the value of an ASN.1 simple object * print the value of an ASN.1 simple object
*/ */
static void debug_asn1_simple_object(chunk_t object, asn1_t type) static void debug_asn1_simple_object(chunk_t object, asn1_t type, bool private)
{ {
int oid; int oid;
@@ -317,7 +319,10 @@ static void debug_asn1_simple_object(chunk_t object, asn1_t type)
default: default:
break; break;
} }
DBG3("%B", &object); if (private)
DBG4("%B", &object);
else
DBG3("%B", &object);
} }
/** /**
@@ -441,12 +446,15 @@ bool extract_object(asn1Object_t const *objects, u_int *objectID, chunk_t *objec
{ {
object->ptr = start_ptr; object->ptr = start_ptr;
object->len = (size_t)(blob->ptr - start_ptr); object->len = (size_t)(blob->ptr - start_ptr);
DBG3("%B", object); if (ctx->private)
DBG4("%B", object);
else
DBG3("%B", object);
} }
else if (obj.flags & ASN1_BODY) else if (obj.flags & ASN1_BODY)
{ {
*object = *blob1; *object = *blob1;
debug_asn1_simple_object(*object, obj.type); debug_asn1_simple_object(*object, obj.type, ctx->private);
} }
return TRUE; return TRUE;
} }
@@ -482,7 +490,7 @@ bool parse_asn1_simple_object(chunk_t *object, asn1_t type, u_int level, const c
} }
DBG2("L%d - %s:", level, name); DBG2("L%d - %s:", level, name);
debug_asn1_simple_object(*object, type); debug_asn1_simple_object(*object, type, FALSE);
return TRUE; return TRUE;
} }
@@ -497,7 +505,7 @@ int parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *parameters)
int alg = OID_UNKNOWN; int alg = OID_UNKNOWN;
int objectID = 0; int objectID = 0;
asn1_init(&ctx, blob, level0, FALSE); asn1_init(&ctx, blob, level0, FALSE, FALSE);
while (objectID < ALGORITHM_ID_ROOF) while (objectID < ALGORITHM_ID_ROOF)
{ {
src/libstrongswan/asn1/asn1.h
+10 -9
View File
@@ -87,19 +87,20 @@ typedef enum {
/* definition of an ASN.1 object */ /* definition of an ASN.1 object */
typedef struct { typedef struct {
u_int level; u_int level;
const u_char *name; const u_char *name;
asn1_t type; asn1_t type;
u_char flags; u_char flags;
} asn1Object_t; } asn1Object_t;
#define ASN1_MAX_LEVEL 10 #define ASN1_MAX_LEVEL 10
typedef struct { typedef struct {
bool implicit; bool implicit;
u_int level0; bool private;
u_int loopAddr[ASN1_MAX_LEVEL+1]; u_int level0;
chunk_t blobs[ASN1_MAX_LEVEL+2]; u_int loopAddr[ASN1_MAX_LEVEL+1];
chunk_t blobs[ASN1_MAX_LEVEL+2];
} asn1_ctx_t; } asn1_ctx_t;
/* some common prefabricated ASN.1 constants */ /* some common prefabricated ASN.1 constants */
@@ -119,7 +120,7 @@ extern int known_oid(chunk_t object);
extern u_int asn1_length(chunk_t *blob); extern u_int asn1_length(chunk_t *blob);
extern bool is_printablestring(chunk_t str); extern bool is_printablestring(chunk_t str);
extern time_t asn1totime(const chunk_t *utctime, asn1_t type); extern time_t asn1totime(const chunk_t *utctime, asn1_t type);
extern void asn1_init(asn1_ctx_t *ctx, chunk_t blob, u_int level0, bool implicit); extern void asn1_init(asn1_ctx_t *ctx, chunk_t blob, u_int level0, bool implicit, bool private);
extern bool extract_object(asn1Object_t const *objects, u_int *objectID, chunk_t *object, u_int *level, asn1_ctx_t *ctx); extern bool extract_object(asn1Object_t const *objects, u_int *objectID, chunk_t *object, u_int *level, asn1_ctx_t *ctx);
extern bool parse_asn1_simple_object(chunk_t *object, asn1_t type, u_int level, const char* name); extern bool parse_asn1_simple_object(chunk_t *object, asn1_t type, u_int level, const char* name);
extern int parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *parameters); extern int parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *parameters);