X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Ftasn_new.c;h=0d9e78cc7cd0f34bd11dfad3ae70160ee0d6aeea;hp=8637d2b1c756d5eb524a14a9b445df2202925975;hb=4cfeb00be953cff10182772930adb7776860cfff;hpb=bb5ea36b962453c4d74dab15ac1897725a02707d diff --git a/crypto/asn1/tasn_new.c b/crypto/asn1/tasn_new.c index 8637d2b1c7..0d9e78cc7c 100644 --- a/crypto/asn1/tasn_new.c +++ b/crypto/asn1/tasn_new.c @@ -1,9 +1,9 @@ /* tasn_new.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * 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 @@ -64,27 +64,30 @@ #include #include -static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine); +static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, + int combine); static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); -void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); +static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it) -{ + { ASN1_VALUE *ret = NULL; - if(ASN1_item_ex_new(&ret, it) > 0) return ret; + if (ASN1_item_ex_new(&ret, it) > 0) + return ret; return NULL; -} + } /* Allocate an ASN1 structure */ int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { return asn1_item_ex_combine_new(pval, it, 0); -} + } -static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) -{ +static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, + int combine) + { const ASN1_TEMPLATE *tt = NULL; const ASN1_COMPAT_FUNCS *cf; const ASN1_EXTERN_FUNCS *ef; @@ -92,128 +95,155 @@ static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int ASN1_aux_cb *asn1_cb; ASN1_VALUE **pseqval; int i; - if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb; - else asn1_cb = 0; + if (aux && aux->asn1_cb) + asn1_cb = aux->asn1_cb; + else + asn1_cb = 0; - if(!combine) *pval = NULL; + if (!combine) *pval = NULL; #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_push_info(it->sname); + if (it->sname) + CRYPTO_push_info(it->sname); #endif - switch(it->itype) { + switch(it->itype) + { case ASN1_ITYPE_EXTERN: ef = it->funcs; - if(ef && ef->asn1_ex_new) { - if(!ef->asn1_ex_new(pval, it)) + if (ef && ef->asn1_ex_new) + { + if (!ef->asn1_ex_new(pval, it)) goto memerr; - } + } break; case ASN1_ITYPE_COMPAT: cf = it->funcs; - if(cf && cf->asn1_new) { + if (cf && cf->asn1_new) { *pval = cf->asn1_new(); - if(!*pval) goto memerr; + if (!*pval) + goto memerr; } break; case ASN1_ITYPE_PRIMITIVE: - if(it->templates) { - if(!ASN1_template_new(pval, it->templates)) + if (it->templates) + { + if (!ASN1_template_new(pval, it->templates)) goto memerr; - } else { - if(!ASN1_primitive_new(pval, it)) + } + else if (!ASN1_primitive_new(pval, it)) goto memerr; - } break; case ASN1_ITYPE_MSTRING: - if(!ASN1_primitive_new(pval, it)) + if (!ASN1_primitive_new(pval, it)) goto memerr; break; case ASN1_ITYPE_CHOICE: - if(asn1_cb) { - i = asn1_cb(ASN1_OP_NEW_PRE, pval, it); - if(!i) goto auxerr; - if(i==2) return 1; - } - if(!combine) { + if (asn1_cb) + { + i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL); + if (!i) + goto auxerr; + if (i==2) + { +#ifdef CRYPTO_MDEBUG + if (it->sname) + CRYPTO_pop_info(); +#endif + return 1; + } + } + if (!combine) + { *pval = OPENSSL_malloc(it->size); - if(!*pval) goto memerr; + if (!*pval) + goto memerr; memset(*pval, 0, it->size); - } + } asn1_set_choice_selector(pval, -1, it); - if(asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it)) + if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL)) goto auxerr; break; + case ASN1_ITYPE_NDEF_SEQUENCE: case ASN1_ITYPE_SEQUENCE: - if(asn1_cb) { - i = asn1_cb(ASN1_OP_NEW_PRE, pval, it); - if(!i) goto auxerr; - if(i==2) { + if (asn1_cb) + { + i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL); + if (!i) + goto auxerr; + if (i==2) + { #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_pop_info(); + if (it->sname) + CRYPTO_pop_info(); #endif return 1; + } } - } - if(!combine) { + if (!combine) + { *pval = OPENSSL_malloc(it->size); - if(!*pval) goto memerr; + if (!*pval) + goto memerr; memset(*pval, 0, it->size); asn1_do_lock(pval, 0, it); asn1_enc_init(pval, it); - } - for(i = 0, tt = it->templates; i < it->tcount; tt++, i++) { + } + for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) + { pseqval = asn1_get_field_ptr(pval, tt); - if(!ASN1_template_new(pseqval, tt)) goto memerr; - } - if(asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it)) + if (!ASN1_template_new(pseqval, tt)) + goto memerr; + } + if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL)) goto auxerr; break; } #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_pop_info(); + if (it->sname) CRYPTO_pop_info(); #endif return 1; memerr: - ASN1err(ASN1_F_ASN1_ITEM_NEW, ERR_R_MALLOC_FAILURE); + ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ERR_R_MALLOC_FAILURE); #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_pop_info(); + if (it->sname) CRYPTO_pop_info(); #endif return 0; auxerr: - ASN1err(ASN1_F_ASN1_ITEM_NEW, ASN1_R_AUX_ERROR); + ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ASN1_R_AUX_ERROR); ASN1_item_ex_free(pval, it); #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_pop_info(); + if (it->sname) CRYPTO_pop_info(); #endif return 0; -} + } static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { const ASN1_EXTERN_FUNCS *ef; - switch(it->itype) { + switch(it->itype) + { case ASN1_ITYPE_EXTERN: ef = it->funcs; - if(ef && ef->asn1_ex_clear) + if (ef && ef->asn1_ex_clear) ef->asn1_ex_clear(pval, it); else *pval = NULL; break; case ASN1_ITYPE_PRIMITIVE: - if(it->templates) + if (it->templates) asn1_template_clear(pval, it->templates); else asn1_primitive_clear(pval, it); @@ -226,75 +256,91 @@ static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) case ASN1_ITYPE_COMPAT: case ASN1_ITYPE_CHOICE: case ASN1_ITYPE_SEQUENCE: + case ASN1_ITYPE_NDEF_SEQUENCE: *pval = NULL; break; + } } -} int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) -{ + { const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item); int ret; - if(tt->flags & ASN1_TFLG_OPTIONAL) { + if (tt->flags & ASN1_TFLG_OPTIONAL) + { asn1_template_clear(pval, tt); return 1; - } + } /* If ANY DEFINED BY nothing to do */ - if(tt->flags & ASN1_TFLG_ADB_MASK) { + if (tt->flags & ASN1_TFLG_ADB_MASK) + { *pval = NULL; return 1; - } + } #ifdef CRYPTO_MDEBUG - if(tt->field_name) CRYPTO_push_info(tt->field_name); + if (tt->field_name) + CRYPTO_push_info(tt->field_name); #endif /* If SET OF or SEQUENCE OF, its a STACK */ - if(tt->flags & ASN1_TFLG_SK_MASK) { + if (tt->flags & ASN1_TFLG_SK_MASK) + { STACK_OF(ASN1_VALUE) *skval; skval = sk_ASN1_VALUE_new_null(); - if(!skval) { + if (!skval) + { ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE); ret = 0; goto done; - } + } *pval = (ASN1_VALUE *)skval; ret = 1; goto done; - } + } /* Otherwise pass it back to the item routine */ ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE); done: #ifdef CRYPTO_MDEBUG - if(it->sname) CRYPTO_pop_info(); + if (it->sname) + CRYPTO_pop_info(); #endif return ret; -} + } -void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) -{ +static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) + { /* If ADB or STACK just NULL the field */ - if(tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK)) + if (tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK)) *pval = NULL; else asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item)); -} + } -/* NB: could probably combine most of the real XXX_new() behaviour and junk all the old - * functions. +/* NB: could probably combine most of the real XXX_new() behaviour and junk + * all the old functions. */ int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ + { ASN1_TYPE *typ; + ASN1_STRING *str; int utype; - const ASN1_PRIMITIVE_FUNCS *pf; - pf = it->funcs; - if(pf && pf->prim_new) return pf->prim_new(pval, it); - if(!it || (it->itype == ASN1_ITYPE_MSTRING)) utype = -1; - else utype = it->utype; - switch(utype) { + + if (it && it->funcs) + { + const ASN1_PRIMITIVE_FUNCS *pf = it->funcs; + if (pf->prim_new) + return pf->prim_new(pval, it); + } + + if (!it || (it->itype == ASN1_ITYPE_MSTRING)) + utype = -1; + else + utype = it->utype; + switch(utype) + { case V_ASN1_OBJECT: *pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef); return 1; @@ -309,35 +355,42 @@ int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it) case V_ASN1_ANY: typ = OPENSSL_malloc(sizeof(ASN1_TYPE)); - if(!typ) return 0; + if (!typ) + return 0; typ->value.ptr = NULL; typ->type = -1; *pval = (ASN1_VALUE *)typ; break; default: - *pval = (ASN1_VALUE *)ASN1_STRING_type_new(utype); + str = ASN1_STRING_type_new(utype); + if (it->itype == ASN1_ITYPE_MSTRING && str) + str->flags |= ASN1_STRING_FLAG_MSTRING; + *pval = (ASN1_VALUE *)str; break; - } - if(*pval) return 1; + } + if (*pval) + return 1; return 0; -} + } -void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) -{ +static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) + { int utype; - const ASN1_PRIMITIVE_FUNCS *pf; - pf = it->funcs; - if(pf) { - if(pf->prim_clear) + if (it && it->funcs) + { + const ASN1_PRIMITIVE_FUNCS *pf = it->funcs; + if (pf->prim_clear) pf->prim_clear(pval, it); else *pval = NULL; return; - } - if(!it || (it->itype == ASN1_ITYPE_MSTRING)) utype = -1; - else utype = it->utype; - if(utype == V_ASN1_BOOLEAN) + } + if (!it || (it->itype == ASN1_ITYPE_MSTRING)) + utype = -1; + else + utype = it->utype; + if (utype == V_ASN1_BOOLEAN) *(ASN1_BOOLEAN *)pval = it->size; else *pval = NULL; -} + }