diff options
Diffstat (limited to 'crypto/asn1/x_name.c')
| -rw-r--r-- | crypto/asn1/x_name.c | 355 |
1 files changed, 194 insertions, 161 deletions
diff --git a/crypto/asn1/x_name.c b/crypto/asn1/x_name.c index 9a1a9f415f..85be1a6297 100644 --- a/crypto/asn1/x_name.c +++ b/crypto/asn1/x_name.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -61,217 +61,250 @@ #include <openssl/asn1t.h> #include <openssl/x509.h> -static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it, - int tag, int aclass, char opt, ASN1_TLC *ctx); +static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, + long len, const ASN1_ITEM *it, int tag, + int aclass, char opt, ASN1_TLC *ctx); -static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass); +static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, + const ASN1_ITEM *it, int tag, int aclass); static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it); static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it); static int x509_name_encode(X509_NAME *a); ASN1_SEQUENCE(X509_NAME_ENTRY) = { - ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT), - ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE) + ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT), + ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE) } ASN1_SEQUENCE_END(X509_NAME_ENTRY) IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY) IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY) -/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY } - * so declare two template wrappers for this +/* + * For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY } so + * declare two template wrappers for this */ ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) = - ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY) + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY) ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES) ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) = - ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES) + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES) ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL) -/* Normally that's where it would end: we'd have two nested STACK structures +/* + * Normally that's where it would end: we'd have two nested STACK structures * representing the ASN1. Unfortunately X509_NAME uses a completely different - * form and caches encodings so we have to process the internal form and convert - * to the external form. + * form and caches encodings so we have to process the internal form and + * convert to the external form. */ const ASN1_EXTERN_FUNCS x509_name_ff = { - NULL, - x509_name_ex_new, - x509_name_ex_free, - 0, /* Default clear behaviour is OK */ - x509_name_ex_d2i, - x509_name_ex_i2d + NULL, + x509_name_ex_new, + x509_name_ex_free, + 0, /* Default clear behaviour is OK */ + x509_name_ex_d2i, + x509_name_ex_i2d }; -IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff) +IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff) IMPLEMENT_ASN1_FUNCTIONS(X509_NAME) + IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME) static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it) { - X509_NAME *ret = NULL; - ret = OPENSSL_malloc(sizeof(X509_NAME)); - if(!ret) goto memerr; - if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL) - goto memerr; - if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr; - ret->modified=1; - *val = (ASN1_VALUE *)ret; - return 1; + X509_NAME *ret = NULL; + ret = OPENSSL_malloc(sizeof(X509_NAME)); + if (!ret) + goto memerr; + if ((ret->entries = sk_X509_NAME_ENTRY_new_null()) == NULL) + goto memerr; + if ((ret->bytes = BUF_MEM_new()) == NULL) + goto memerr; + ret->modified = 1; + *val = (ASN1_VALUE *)ret; + return 1; memerr: - ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE); - if (ret) - { - if (ret->entries) - sk_X509_NAME_ENTRY_free(ret->entries); - OPENSSL_free(ret); - } - return 0; + ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE); + if (ret) { + if (ret->entries) + sk_X509_NAME_ENTRY_free(ret->entries); + OPENSSL_free(ret); + } + return 0; } static void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) { - X509_NAME *a; - if(!pval || !*pval) - return; - a = (X509_NAME *)*pval; - - BUF_MEM_free(a->bytes); - sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free); - OPENSSL_free(a); - *pval = NULL; + X509_NAME *a; + if (!pval || !*pval) + return; + a = (X509_NAME *)*pval; + + BUF_MEM_free(a->bytes); + sk_X509_NAME_ENTRY_pop_free(a->entries, X509_NAME_ENTRY_free); + OPENSSL_free(a); + *pval = NULL; } -/* Used with sk_pop_free() to free up the internal representation. - * NB: we only free the STACK and not its contents because it is - * already present in the X509_NAME structure. +/* + * Used with sk_pop_free() to free up the internal representation. NB: we + * only free the STACK and not its contents because it is already present in + * the X509_NAME structure. */ static void sk_internal_free(void *a) { - sk_free(a); + sk_free(a); } -static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it, - int tag, int aclass, char opt, ASN1_TLC *ctx) +static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, + long len, const ASN1_ITEM *it, int tag, + int aclass, char opt, ASN1_TLC *ctx) { - const unsigned char *p = *in, *q; - union { STACK *s; ASN1_VALUE *a; } intname = {NULL}; - union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL}; - int i, j, ret; - STACK_OF(X509_NAME_ENTRY) *entries; - X509_NAME_ENTRY *entry; - q = p; - - /* Get internal representation of Name */ - ret = ASN1_item_ex_d2i(&intname.a, - &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL), - tag, aclass, opt, ctx); - - if(ret <= 0) return ret; - - if(*val) x509_name_ex_free(val, NULL); - if(!x509_name_ex_new(&nm.a, NULL)) goto err; - /* We've decoded it: now cache encoding */ - if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err; - memcpy(nm.x->bytes->data, q, p - q); - - /* Convert internal representation to X509_NAME structure */ - for(i = 0; i < sk_num(intname.s); i++) { - entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname.s, i); - for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) { - entry = sk_X509_NAME_ENTRY_value(entries, j); - entry->set = i; - if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry)) - goto err; - } - sk_X509_NAME_ENTRY_free(entries); - } - sk_free(intname.s); - nm.x->modified = 0; - *val = nm.a; - *in = p; - return ret; -err: - if (nm.x != NULL) - X509_NAME_free(nm.x); - ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR); - return 0; + const unsigned char *p = *in, *q; + union { + STACK *s; + ASN1_VALUE *a; + } intname = { + NULL + }; + union { + X509_NAME *x; + ASN1_VALUE *a; + } nm = { + NULL + }; + int i, j, ret; + STACK_OF(X509_NAME_ENTRY) *entries; + X509_NAME_ENTRY *entry; + q = p; + + /* Get internal representation of Name */ + ret = ASN1_item_ex_d2i(&intname.a, + &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL), + tag, aclass, opt, ctx); + + if (ret <= 0) + return ret; + + if (*val) + x509_name_ex_free(val, NULL); + if (!x509_name_ex_new(&nm.a, NULL)) + goto err; + /* We've decoded it: now cache encoding */ + if (!BUF_MEM_grow(nm.x->bytes, p - q)) + goto err; + memcpy(nm.x->bytes->data, q, p - q); + + /* Convert internal representation to X509_NAME structure */ + for (i = 0; i < sk_num(intname.s); i++) { + entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname.s, i); + for (j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) { + entry = sk_X509_NAME_ENTRY_value(entries, j); + entry->set = i; + if (!sk_X509_NAME_ENTRY_push(nm.x->entries, entry)) + goto err; + } + sk_X509_NAME_ENTRY_free(entries); + } + sk_free(intname.s); + nm.x->modified = 0; + *val = nm.a; + *in = p; + return ret; + err: + if (nm.x != NULL) + X509_NAME_free(nm.x); + ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR); + return 0; } -static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass) +static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, + const ASN1_ITEM *it, int tag, int aclass) { - int ret; - X509_NAME *a = (X509_NAME *)*val; - if(a->modified) { - ret = x509_name_encode((X509_NAME *)a); - if(ret < 0) return ret; - } - ret = a->bytes->length; - if(out != NULL) { - memcpy(*out,a->bytes->data,ret); - *out+=ret; - } - return ret; + int ret; + X509_NAME *a = (X509_NAME *)*val; + if (a->modified) { + ret = x509_name_encode((X509_NAME *)a); + if (ret < 0) + return ret; + } + ret = a->bytes->length; + if (out != NULL) { + memcpy(*out, a->bytes->data, ret); + *out += ret; + } + return ret; } static int x509_name_encode(X509_NAME *a) { - union { STACK *s; ASN1_VALUE *a; } intname = {NULL}; - int len; - unsigned char *p; - STACK_OF(X509_NAME_ENTRY) *entries = NULL; - X509_NAME_ENTRY *entry; - int i, set = -1; - intname.s = sk_new_null(); - if(!intname.s) goto memerr; - for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { - entry = sk_X509_NAME_ENTRY_value(a->entries, i); - if(entry->set != set) { - entries = sk_X509_NAME_ENTRY_new_null(); - if(!entries) goto memerr; - if(!sk_push(intname.s, (char *)entries)) goto memerr; - set = entry->set; - } - if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr; - } - len = ASN1_item_ex_i2d(&intname.a, NULL, - ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); - if (!BUF_MEM_grow(a->bytes,len)) goto memerr; - p=(unsigned char *)a->bytes->data; - ASN1_item_ex_i2d(&intname.a, - &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); - sk_pop_free(intname.s, sk_internal_free); - a->modified = 0; - return len; - memerr: - sk_pop_free(intname.s, sk_internal_free); - ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE); - return -1; + union { + STACK *s; + ASN1_VALUE *a; + } intname = { + NULL + }; + int len; + unsigned char *p; + STACK_OF(X509_NAME_ENTRY) *entries = NULL; + X509_NAME_ENTRY *entry; + int i, set = -1; + intname.s = sk_new_null(); + if (!intname.s) + goto memerr; + for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { + entry = sk_X509_NAME_ENTRY_value(a->entries, i); + if (entry->set != set) { + entries = sk_X509_NAME_ENTRY_new_null(); + if (!entries) + goto memerr; + if (!sk_push(intname.s, (char *)entries)) + goto memerr; + set = entry->set; + } + if (!sk_X509_NAME_ENTRY_push(entries, entry)) + goto memerr; + } + len = ASN1_item_ex_i2d(&intname.a, NULL, + ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); + if (!BUF_MEM_grow(a->bytes, len)) + goto memerr; + p = (unsigned char *)a->bytes->data; + ASN1_item_ex_i2d(&intname.a, + &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); + sk_pop_free(intname.s, sk_internal_free); + a->modified = 0; + return len; + memerr: + sk_pop_free(intname.s, sk_internal_free); + ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE); + return -1; } - int X509_NAME_set(X509_NAME **xn, X509_NAME *name) - { - X509_NAME *in; - - if (!xn || !name) return(0); - - if (*xn != name) - { - in=X509_NAME_dup(name); - if (in != NULL) - { - X509_NAME_free(*xn); - *xn=in; - } - } - return(*xn != NULL); - } - +{ + X509_NAME *in; + + if (!xn || !name) + return (0); + + if (*xn != name) { + in = X509_NAME_dup(name); + if (in != NULL) { + X509_NAME_free(*xn); + *xn = in; + } + } + return (*xn != NULL); +} + IMPLEMENT_STACK_OF(X509_NAME_ENTRY) + IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY) |