X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fasn1%2Ftasn_utl.c;h=34d520b180aa9fc5f5c34043661204d0859895fd;hb=7bdeeb64ac00caacfa476ac73bec52bea0aade34;hp=2e18f9f3f5832d9c3d019810dc99aea2c61d0e04;hpb=3ebac273f5794b9f13f0c736d56c6106d5f8b2af;p=oweals%2Fopenssl.git diff --git a/crypto/asn1/tasn_utl.c b/crypto/asn1/tasn_utl.c index 2e18f9f3f5..34d520b180 100644 --- a/crypto/asn1/tasn_utl.c +++ b/crypto/asn1/tasn_utl.c @@ -3,7 +3,7 @@ * project 2000. */ /* ==================================================================== - * Copyright (c) 2000 The OpenSSL Project. All rights reserved. + * Copyright (c) 2000-2004 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -74,23 +74,23 @@ */ int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { int *sel = offset2ptr(*pval, it->utype); return *sel; -} + } /* Given an ASN1_ITEM CHOICE type set * the selector value, return old value. */ int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) -{ + { int *sel, ret; sel = offset2ptr(*pval, it->utype); ret = *sel; *sel = value; return ret; -} + } /* Do reference counting. The value 'op' decides what to do. * if it is +1 then the count is incremented. If op is 0 count is @@ -99,132 +99,154 @@ int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it) */ int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) -{ + { const ASN1_AUX *aux; int *lck, ret; - if(it->itype != ASN1_ITYPE_SEQUENCE) return 0; + if ((it->itype != ASN1_ITYPE_SEQUENCE) + && (it->itype != ASN1_ITYPE_NDEF_SEQUENCE)) + return 0; aux = it->funcs; - if(!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) return 0; + if (!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) + return 0; lck = offset2ptr(*pval, aux->ref_offset); - if(op == 0) { + if (op == 0) + { *lck = 1; return 1; - } + } ret = CRYPTO_add(lck, op, aux->ref_lock); #ifdef REF_PRINT fprintf(stderr, "%s: Reference Count: %d\n", it->sname, *lck); #endif #ifdef REF_CHECK - if(ret < 0) + if (ret < 0) fprintf(stderr, "%s, bad reference count\n", it->sname); #endif return ret; -} + } static ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { const ASN1_AUX *aux; - if(!pval || !*pval) return NULL; + if (!pval || !*pval) + return NULL; aux = it->funcs; - if(!aux || !(aux->flags & ASN1_AFLG_ENCODING)) return NULL; + if (!aux || !(aux->flags & ASN1_AFLG_ENCODING)) + return NULL; return offset2ptr(*pval, aux->enc_offset); -} + } void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { ASN1_ENCODING *enc; enc = asn1_get_enc_ptr(pval, it); - if(enc) { + if (enc) + { enc->enc = NULL; enc->len = 0; enc->modified = 1; + } } -} void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { ASN1_ENCODING *enc; enc = asn1_get_enc_ptr(pval, it); - if(enc) { - if(enc->enc) OPENSSL_free(enc->enc); + if (enc) + { + if (enc->enc) + OPENSSL_free(enc->enc); enc->enc = NULL; enc->len = 0; enc->modified = 1; + } } -} -int asn1_enc_save(ASN1_VALUE **pval, unsigned char *in, int inlen, const ASN1_ITEM *it) -{ +int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, + const ASN1_ITEM *it) + { ASN1_ENCODING *enc; enc = asn1_get_enc_ptr(pval, it); - if(!enc) return 1; + if (!enc) + return 1; - if(enc->enc) OPENSSL_free(enc->enc); + if (enc->enc) + OPENSSL_free(enc->enc); enc->enc = OPENSSL_malloc(inlen); - if(!enc->enc) return 0; + if (!enc->enc) + return 0; memcpy(enc->enc, in, inlen); enc->len = inlen; enc->modified = 0; return 1; -} + } -int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it) -{ +int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, + const ASN1_ITEM *it) + { ASN1_ENCODING *enc; enc = asn1_get_enc_ptr(pval, it); - if(!enc || enc->modified) return 0; - if(out) { + if (!enc || enc->modified) + return 0; + if (out) + { memcpy(*out, enc->enc, enc->len); *out += enc->len; - } - if(len) *len = enc->len; + } + if (len) + *len = enc->len; return 1; -} + } /* Given an ASN1_TEMPLATE get a pointer to a field */ ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) -{ + { ASN1_VALUE **pvaltmp; - if(tt->flags & ASN1_TFLG_COMBINE) return pval; + if (tt->flags & ASN1_TFLG_COMBINE) + return pval; pvaltmp = offset2ptr(*pval, tt->offset); /* NOTE for BOOLEAN types the field is just a plain * int so we can't return int **, so settle for * (int *). */ return pvaltmp; -} + } /* Handle ANY DEFINED BY template, find the selector, look up * the relevant ASN1_TEMPLATE in the table and return it. */ -const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr) -{ +const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, + int nullerr) + { const ASN1_ADB *adb; const ASN1_ADB_TABLE *atbl; long selector; ASN1_VALUE **sfld; int i; - if(!(tt->flags & ASN1_TFLG_ADB_MASK)) return tt; + if (!(tt->flags & ASN1_TFLG_ADB_MASK)) + return tt; /* Else ANY DEFINED BY ... get the table */ - adb = tt->item; + adb = ASN1_ADB_ptr(tt->item); /* Get the selector field */ sfld = offset2ptr(*pval, adb->offset); /* Check if NULL */ - if(!sfld) { - if(!adb->null_tt) goto err; + if (!sfld) + { + if (!adb->null_tt) + goto err; return adb->null_tt; - } + } /* Convert type to a long: * NB: don't check for NID_undef here because it * might be a legitimate value in the table */ - if(tt->flags & ASN1_TFLG_ADB_OID) + if (tt->flags & ASN1_TFLG_ADB_OID) selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); else selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); @@ -237,17 +259,21 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int * linear search. */ - for(atbl = adb->tbl, i = 0; i < adb->tblcount; i++, atbl++) - if(atbl->value == selector) return &atbl->tt; + for (atbl = adb->tbl, i = 0; i < adb->tblcount; i++, atbl++) + if (atbl->value == selector) + return &atbl->tt; /* FIXME: need to search application table too */ /* No match, return default type */ - if(!adb->default_tt) goto err; + if (!adb->default_tt) + goto err; return adb->default_tt; err: /* FIXME: should log the value or OID of unsupported type */ - if(nullerr) ASN1err(ASN1_F_ASN1_DO_ADB, ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); + if (nullerr) + ASN1err(ASN1_F_ASN1_DO_ADB, + ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); return NULL; -} + }