Remove old ASN.1 functions.

Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/asn1/asn1_lib.c

@@ -60,7 +60,6 @@
 #include <limits.h>
 #include "cryptlib.h"
 #include <openssl/asn1.h>
-#include <openssl/asn1_mac.h>
 
 static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,
                            int max);
@@ -279,57 +278,6 @@ int ASN1_object_size(int constructed, int length, int tag)
     return (ret);
 }
 
-static int _asn1_Finish(ASN1_const_CTX *c)
-{
-    if ((c->inf == (1 | V_ASN1_CONSTRUCTED)) && (!c->eos)) {
-        if (!ASN1_const_check_infinite_end(&c->p, c->slen)) {
-            c->error = ERR_R_MISSING_ASN1_EOS;
-            return (0);
-        }
-    }
-    if (((c->slen != 0) && !(c->inf & 1)) || ((c->slen < 0) && (c->inf & 1))) {
-        c->error = ERR_R_ASN1_LENGTH_MISMATCH;
-        return (0);
-    }
-    return (1);
-}
-
-int asn1_Finish(ASN1_CTX *c)
-{
-    return _asn1_Finish((ASN1_const_CTX *)c);
-}
-
-int asn1_const_Finish(ASN1_const_CTX *c)
-{
-    return _asn1_Finish(c);
-}
-
-int asn1_GetSequence(ASN1_const_CTX *c, long *length)
-{
-    const unsigned char *q;
-
-    q = c->p;
-    c->inf = ASN1_get_object(&(c->p), &(c->slen), &(c->tag), &(c->xclass),
-                             *length);
-    if (c->inf & 0x80) {
-        c->error = ERR_R_BAD_GET_ASN1_OBJECT_CALL;
-        return (0);
-    }
-    if (c->tag != V_ASN1_SEQUENCE) {
-        c->error = ERR_R_EXPECTING_AN_ASN1_SEQUENCE;
-        return (0);
-    }
-    (*length) -= (c->p - q);
-    if (c->max && (*length < 0)) {
-        c->error = ERR_R_ASN1_LENGTH_MISMATCH;
-        return (0);
-    }
-    if (c->inf == (1 | V_ASN1_CONSTRUCTED))
-        c->slen = *length + *(c->pp) - c->p;
-    c->eos = 0;
-    return (1);
-}
-
 int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str)
 {
     if (str == NULL)
@@ -451,15 +399,6 @@ int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
         return (i);
 }
 
-void asn1_add_error(const unsigned char *address, int offset)
-{
-    char buf1[DECIMAL_SIZE(address) + 1], buf2[DECIMAL_SIZE(offset) + 1];
-
-    BIO_snprintf(buf1, sizeof buf1, "%lu", (unsigned long)address);
-    BIO_snprintf(buf2, sizeof buf2, "%d", offset);
-    ERR_add_error_data(4, "address=", buf1, " offset=", buf2);
-}
-
 int ASN1_STRING_length(const ASN1_STRING *x)
 {
     return x->length;

include/openssl/asn1.h

@@ -159,41 +159,6 @@ extern "C" {
     struct X509_algor_st;
 DECLARE_STACK_OF(X509_ALGOR)
 
-/*
- * We MUST make sure that, except for constness, asn1_ctx_st and
- * asn1_const_ctx are exactly the same.  Fortunately, as soon as the old ASN1
- * parsing macros are gone, we can throw this away as well...
- */
-typedef struct asn1_ctx_st {
-    unsigned char *p;           /* work char pointer */
-    int eos;                    /* end of sequence read for indefinite
-                                 * encoding */
-    int error;                  /* error code to use when returning an error */
-    int inf;                    /* constructed if 0x20, indefinite is 0x21 */
-    int tag;                    /* tag from last 'get object' */
-    int xclass;                 /* class from last 'get object' */
-    long slen;                  /* length of last 'get object' */
-    unsigned char *max;         /* largest value of p allowed */
-    unsigned char *q;           /* temporary variable */
-    unsigned char **pp;         /* variable */
-    int line;                   /* used in error processing */
-} ASN1_CTX;
-
-typedef struct asn1_const_ctx_st {
-    const unsigned char *p;     /* work char pointer */
-    int eos;                    /* end of sequence read for indefinite
-                                 * encoding */
-    int error;                  /* error code to use when returning an error */
-    int inf;                    /* constructed if 0x20, indefinite is 0x21 */
-    int tag;                    /* tag from last 'get object' */
-    int xclass;                 /* class from last 'get object' */
-    long slen;                  /* length of last 'get object' */
-    const unsigned char *max;   /* largest value of p allowed */
-    const unsigned char *q;     /* temporary variable */
-    const unsigned char **pp;   /* variable */
-    int line;                   /* used in error processing */
-} ASN1_const_CTX;
-
 # define ASN1_STRING_FLAG_BITS_LEFT 0x08/* Set if 0x07 has bits left value */
 /*
  * This indicates that the ASN1_STRING is not a real value but just a place
@@ -727,9 +692,6 @@ BIGNUM *ASN1_ENUMERATED_to_BN(ASN1_ENUMERATED *ai, BIGNUM *bn);
 int ASN1_PRINTABLE_type(const unsigned char *s, int max);
 
 unsigned long ASN1_tag2bit(int tag);
-/* PARSING */
-int asn1_Finish(ASN1_CTX *c);
-int asn1_const_Finish(ASN1_const_CTX *c);
 
 /* SPECIALS */
 int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,