diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c b/Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c index 7fd336a4..6bdcd5c5 100644 --- a/Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c +++ b/Cryptlib/OpenSSL/crypto/asn1/tasn_dec.c @@ -180,6 +180,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, int otag; int ret = 0; ASN1_VALUE **pchptr, *ptmpval; + int combine = aclass & ASN1_TFLG_COMBINE; + aclass &= ~ASN1_TFLG_COMBINE; if (!pval) return 0; if (aux && aux->asn1_cb) @@ -350,9 +352,9 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, } asn1_set_choice_selector(pval, i, it); - *in = p; if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it, NULL)) goto auxerr; + *in = p; return 1; case ASN1_ITYPE_NDEF_SEQUENCE: @@ -489,9 +491,9 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, /* Save encoding */ if (!asn1_enc_save(pval, *in, p - *in, it)) goto auxerr; - *in = p; if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it, NULL)) goto auxerr; + *in = p; return 1; default: @@ -500,7 +502,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, auxerr: ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_AUX_ERROR); err: - ASN1_item_ex_free(pval, it); + if (combine == 0) + ASN1_item_ex_free(pval, it); if (errtt) ERR_add_error_data(4, "Field=", errtt->field_name, ", Type=", it->sname); @@ -689,7 +692,7 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **val, } else { /* Nothing special */ ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item), - -1, 0, opt, ctx); + -1, tt->flags & ASN1_TFLG_COMBINE, opt, ctx); if (!ret) { ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ERR_R_NESTED_ASN1_ERROR); goto err; @@ -714,7 +717,7 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, long plen; char cst, inf, free_cont = 0; const unsigned char *p; - BUF_MEM buf; + BUF_MEM buf = { 0, NULL, 0 }; const unsigned char *cont = NULL; long len; if (!pval) { @@ -790,7 +793,6 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, } else { len = p - cont + plen; p += plen; - buf.data = NULL; } } else if (cst) { if (utype == V_ASN1_NULL || utype == V_ASN1_BOOLEAN @@ -799,9 +801,9 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_TYPE_NOT_PRIMITIVE); return 0; } - buf.length = 0; - buf.max = 0; - buf.data = NULL; + + /* Free any returned 'buf' content */ + free_cont = 1; /* * Should really check the internal tags are correct but some things * may get this wrong. The relevant specs say that constructed string @@ -809,18 +811,16 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, * So instead just check for UNIVERSAL class and ignore the tag. */ if (!asn1_collect(&buf, &p, plen, inf, -1, V_ASN1_UNIVERSAL, 0)) { - free_cont = 1; goto err; } len = buf.length; /* Append a final null to string */ if (!BUF_MEM_grow_clean(&buf, len + 1)) { ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_MALLOC_FAILURE); - return 0; + goto err; } buf.data[len] = 0; cont = (const unsigned char *)buf.data; - free_cont = 1; } else { cont = p; len = plen; @@ -828,6 +828,7 @@ static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, } /* We now have content length and type: translate into a structure */ + /* asn1_ex_c2i may reuse allocated buffer, and so sets free_cont to 0 */ if (!asn1_ex_c2i(pval, cont, len, utype, &free_cont, it)) goto err; @@ -900,9 +901,7 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, break; case V_ASN1_INTEGER: - case V_ASN1_NEG_INTEGER: case V_ASN1_ENUMERATED: - case V_ASN1_NEG_ENUMERATED: tint = (ASN1_INTEGER **)pval; if (!c2i_ASN1_INTEGER(tint, &cont, len)) goto err; |