* 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:
* 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
* 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
#include <openssl/x509.h>
#include "asn1_locl.h"
+typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
+DECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
+
+/*
+ * Maximum length of X509_NAME: much larger than anything we should
+ * ever see in practice.
+ */
+
+#define X509_NAME_MAX (1024 * 1024)
+
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 **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);
+ 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);
static int x509_name_canon(X509_NAME *a);
static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in);
-static int i2d_name_canon(STACK *intname, unsigned char **in);
-
+static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) * intname,
+ unsigned char **in);
static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
- int indent,
- const char *fname,
- const ASN1_PCTX *pctx);
+ int indent,
+ const char *fname, const ASN1_PCTX *pctx);
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,
- x509_name_ex_print
+ NULL,
+ x509_name_ex_new,
+ x509_name_ex_free,
+ 0, /* Default clear behaviour is OK */
+ x509_name_ex_d2i,
+ x509_name_ex_i2d,
+ x509_name_ex_print
};
-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->canon_enc = NULL;
- ret->canon_enclen = 0;
- 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->canon_enc = NULL;
+ ret->canon_enclen = 0;
+ 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);
- if (a->canon_enc)
- OPENSSL_free(a->canon_enc);
- 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);
+ if (a->canon_enc)
+ OPENSSL_free(a->canon_enc);
+ 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.
- */
-
-static void sk_internal_free(void *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)
{
- sk_free(a);
+ const unsigned char *p = *in, *q;
+ union {
+ STACK_OF(STACK_OF_X509_NAME_ENTRY) *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;
+ if (len > X509_NAME_MAX) {
+ ASN1err(ASN1_F_X509_NAME_EX_D2I, ASN1_R_TOO_LONG);
+ return 0;
+ }
+ 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_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) {
+ entries = sk_STACK_OF_X509_NAME_ENTRY_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_STACK_OF_X509_NAME_ENTRY_free(intname.s);
+ ret = x509_name_canon(nm.x);
+ if (!ret)
+ goto err;
+ 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 void canon_free(void *a)
+static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out,
+ const ASN1_ITEM *it, int tag, int aclass)
{
- sk_X509_NAME_ENTRY_pop_free(a, X509_NAME_ENTRY_free);
+ int ret;
+ X509_NAME *a = (X509_NAME *)*val;
+ if (a->modified) {
+ ret = x509_name_encode(a);
+ if (ret < 0)
+ return ret;
+ ret = x509_name_canon(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_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 void local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne)
{
- const unsigned char *p = *in, *q;
- STACK *intname = NULL, **intname_pp = &intname;
- int i, j, ret;
- X509_NAME *nm = NULL, **nm_pp = &nm;
- STACK_OF(X509_NAME_ENTRY) *entries;
- X509_NAME_ENTRY *entry;
- q = p;
-
- /* Get internal representation of Name */
- ret = ASN1_item_ex_d2i((ASN1_VALUE **)intname_pp,
- &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((ASN1_VALUE **)nm_pp, NULL)) goto err;
- /* We've decoded it: now cache encoding */
- if(!BUF_MEM_grow(nm->bytes, p - q)) goto err;
- memcpy(nm->bytes->data, q, p - q);
-
- /* Convert internal representation to X509_NAME structure */
- for(i = 0; i < sk_num(intname); i++) {
- entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname, 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->entries, entry))
- goto err;
- }
- sk_X509_NAME_ENTRY_free(entries);
- }
- sk_free(intname);
- ret = x509_name_canon(nm);
- if (!ret)
- goto err;
- nm->modified = 0;
- *val = (ASN1_VALUE *)nm;
- *in = p;
- return ret;
- err:
- ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
- return 0;
+ sk_X509_NAME_ENTRY_free(ne);
}
-static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
+static void local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne)
{
- int ret;
- X509_NAME *a = (X509_NAME *)*val;
- if(a->modified) {
- ret = x509_name_encode(a);
- if(ret < 0)
- return ret;
- ret = x509_name_canon(a);
- if(ret < 0)
- return ret;
- }
- ret = a->bytes->length;
- if(out != NULL) {
- memcpy(*out,a->bytes->data,ret);
- *out+=ret;
- }
- return ret;
+ sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free);
}
static int x509_name_encode(X509_NAME *a)
{
- STACK *intname = NULL, **intname_pp = &intname;
- int len;
- unsigned char *p;
- STACK_OF(X509_NAME_ENTRY) *entries = NULL;
- X509_NAME_ENTRY *entry;
- int i, set = -1;
- intname = sk_new_null();
- if(!intname) 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, (char *)entries)) goto memerr;
- set = entry->set;
- }
- if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
- }
- len = ASN1_item_ex_i2d((ASN1_VALUE **)intname_pp, 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((ASN1_VALUE **)intname_pp,
- &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
- sk_pop_free(intname, sk_internal_free);
- a->modified = 0;
- return len;
- memerr:
- sk_pop_free(intname, sk_internal_free);
- ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
- return -1;
+ union {
+ STACK_OF(STACK_OF_X509_NAME_ENTRY) *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_STACK_OF_X509_NAME_ENTRY_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_STACK_OF_X509_NAME_ENTRY_push(intname.s, 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_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
+ local_sk_X509_NAME_ENTRY_free);
+ a->modified = 0;
+ return len;
+ memerr:
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
+ local_sk_X509_NAME_ENTRY_free);
+ ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
+ return -1;
}
static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
- int indent,
- const char *fname,
- const ASN1_PCTX *pctx)
- {
- if (X509_NAME_print_ex(out, (X509_NAME *)*pval,
- indent, pctx->nm_flags) <= 0)
- return 0;
- return 2;
- }
-
-/* This function generates the canonical encoding of the Name structure.
- * In it all strings are converted to UTF8, leading, trailing and
- * multiple spaces collapsed, converted to lower case and the leading
- * SEQUENCE header removed.
- *
- * In future we could also normalize the UTF8 too.
- *
- * By doing this comparison of Name structures can be rapidly
- * perfomed by just using memcmp() of the canonical encoding.
- * By omitting the leading SEQUENCE name constraints of type
- * dirName can also be checked with a simple memcmp().
+ int indent,
+ const char *fname, const ASN1_PCTX *pctx)
+{
+ if (X509_NAME_print_ex(out, (X509_NAME *)*pval,
+ indent, pctx->nm_flags) <= 0)
+ return 0;
+ return 2;
+}
+
+/*
+ * This function generates the canonical encoding of the Name structure. In
+ * it all strings are converted to UTF8, leading, trailing and multiple
+ * spaces collapsed, converted to lower case and the leading SEQUENCE header
+ * removed. In future we could also normalize the UTF8 too. By doing this
+ * comparison of Name structures can be rapidly perfomed by just using
+ * memcmp() of the canonical encoding. By omitting the leading SEQUENCE name
+ * constraints of type dirName can also be checked with a simple memcmp().
*/
static int x509_name_canon(X509_NAME *a)
- {
- unsigned char *p;
- STACK *intname = NULL;
- STACK_OF(X509_NAME_ENTRY) *entries = NULL;
- X509_NAME_ENTRY *entry, *tmpentry = NULL;
- int i, set = -1, ret = 0;
- if (a->canon_enc)
- {
- OPENSSL_free(a->canon_enc);
- a->canon_enc = NULL;
- }
- intname = sk_new_null();
- if(!intname)
- goto err;
- 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 err;
- if(!sk_push(intname, (char *)entries))
- goto err;
- set = entry->set;
- }
- tmpentry = X509_NAME_ENTRY_new();
- tmpentry->object = OBJ_dup(entry->object);
- if (!asn1_string_canon(tmpentry->value, entry->value))
- goto err;
- if(!sk_X509_NAME_ENTRY_push(entries, tmpentry))
- goto err;
- tmpentry = NULL;
- }
-
- /* Finally generate encoding */
-
- a->canon_enclen = i2d_name_canon(intname, NULL);
-
- p = OPENSSL_malloc(a->canon_enclen);
-
- if (!p)
- goto err;
-
- a->canon_enc = p;
-
- i2d_name_canon(intname, &p);
-
- ret = 1;
-
- err:
-
- if (tmpentry)
- X509_NAME_ENTRY_free(tmpentry);
- if (intname)
- sk_pop_free(intname, canon_free);
- return ret;
- }
+{
+ unsigned char *p;
+ STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL;
+ STACK_OF(X509_NAME_ENTRY) *entries = NULL;
+ X509_NAME_ENTRY *entry, *tmpentry = NULL;
+ int i, set = -1, ret = 0;
+
+ if (a->canon_enc) {
+ OPENSSL_free(a->canon_enc);
+ a->canon_enc = NULL;
+ }
+ /* Special case: empty X509_NAME => null encoding */
+ if (sk_X509_NAME_ENTRY_num(a->entries) == 0) {
+ a->canon_enclen = 0;
+ return 1;
+ }
+ intname = sk_STACK_OF_X509_NAME_ENTRY_new_null();
+ if (!intname)
+ goto err;
+ 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 err;
+ if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries))
+ goto err;
+ set = entry->set;
+ }
+ tmpentry = X509_NAME_ENTRY_new();
+ if (!tmpentry)
+ goto err;
+ tmpentry->object = OBJ_dup(entry->object);
+ if (!asn1_string_canon(tmpentry->value, entry->value))
+ goto err;
+ if (!sk_X509_NAME_ENTRY_push(entries, tmpentry))
+ goto err;
+ tmpentry = NULL;
+ }
+
+ /* Finally generate encoding */
+
+ a->canon_enclen = i2d_name_canon(intname, NULL);
+
+ p = OPENSSL_malloc(a->canon_enclen);
+
+ if (!p)
+ goto err;
+
+ a->canon_enc = p;
+
+ i2d_name_canon(intname, &p);
+
+ ret = 1;
+
+ err:
+
+ if (tmpentry)
+ X509_NAME_ENTRY_free(tmpentry);
+ if (intname)
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname,
+ local_sk_X509_NAME_ENTRY_pop_free);
+ return ret;
+}
/* Bitmap of all the types of string that will be canonicalized. */
-#define ASN1_MASK_CANON \
- (B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \
- | B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
- | B_ASN1_VISIBLESTRING)
-
+#define ASN1_MASK_CANON \
+ (B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \
+ | B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
+ | B_ASN1_VISIBLESTRING)
static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in)
- {
- unsigned char *to, *from;
- int len, i;
-
- /* If type not in bitmask just copy string across */
- if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON))
- {
- out->type = in->type;
- if (!ASN1_STRING_set(out, in->data, in->length))
- return 0;
- }
-
- out->type = V_ASN1_UTF8STRING;
- out->length = ASN1_STRING_to_UTF8(&out->data, in);
- if (out->length == -1)
- return 0;
-
- to = out->data;
- from = to;
-
- len = out->length;
-
- /* Convert string in place to canonical form.
- * Ultimately we may need to handle a wider range of characters
- * but for now ignore anything with MSB set and rely on the
- * isspace() and tolower() functions.
- */
-
- /* Ignore leading spaces */
- while((len > 0) && !(*from & 0x80) && isspace(*from))
- {
- from++;
- len--;
- }
-
- to = from + len - 1;
-
- /* Ignore trailing spaces */
- while ((len > 0) && !(*to & 0x80) && isspace(*to))
- {
- to--;
- len--;
- }
-
- to = out->data;
-
- i = 0;
- while(i < len)
- {
- /* If MSB set just copy across */
- if (*from & 0x80)
- {
- *to++ = *from++;
- i++;
- }
- /* Collapse multiple spaces */
- else if (isspace(*from))
- {
- /* Copy one space across */
- *to++ = ' ';
- /* Ignore subsequent spaces. Note: don't need to
- * check len here because we know the last
- * character is a non-space so we can't overflow.
- */
- do
- {
- from++;
- i++;
- }
- while(!(*from & 0x80) && isspace(*from));
- }
- else
- {
- *to++ = tolower(*from++);
- i++;
- }
- }
-
- out->length = to - out->data;
-
- return 1;
-
- }
-
-static int i2d_name_canon(STACK *intname, unsigned char **in)
- {
- int i, len, ltmp;
- ASN1_VALUE *v;
- len = 0;
- for (i = 0; i < sk_num(intname); i++)
- {
- v = (ASN1_VALUE *)sk_value(intname, i);
- ltmp = ASN1_item_ex_i2d(&v, in,
- ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1);
- if (ltmp < 0)
- return ltmp;
- len += ltmp;
- }
- return len;
- }
+{
+ unsigned char *to, *from;
+ int len, i;
+
+ /* If type not in bitmask just copy string across */
+ if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON)) {
+ if (!ASN1_STRING_copy(out, in))
+ return 0;
+ return 1;
+ }
+
+ out->type = V_ASN1_UTF8STRING;
+ out->length = ASN1_STRING_to_UTF8(&out->data, in);
+ if (out->length == -1)
+ return 0;
+
+ to = out->data;
+ from = to;
+
+ len = out->length;
+
+ /*
+ * Convert string in place to canonical form. Ultimately we may need to
+ * handle a wider range of characters but for now ignore anything with
+ * MSB set and rely on the isspace() and tolower() functions.
+ */
+
+ /* Ignore leading spaces */
+ while ((len > 0) && !(*from & 0x80) && isspace(*from)) {
+ from++;
+ len--;
+ }
+
+ to = from + len - 1;
+
+ /* Ignore trailing spaces */
+ while ((len > 0) && !(*to & 0x80) && isspace(*to)) {
+ to--;
+ len--;
+ }
+
+ to = out->data;
+
+ i = 0;
+ while (i < len) {
+ /* If MSB set just copy across */
+ if (*from & 0x80) {
+ *to++ = *from++;
+ i++;
+ }
+ /* Collapse multiple spaces */
+ else if (isspace(*from)) {
+ /* Copy one space across */
+ *to++ = ' ';
+ /*
+ * Ignore subsequent spaces. Note: don't need to check len here
+ * because we know the last character is a non-space so we can't
+ * overflow.
+ */
+ do {
+ from++;
+ i++;
+ }
+ while (!(*from & 0x80) && isspace(*from));
+ } else {
+ *to++ = tolower(*from);
+ from++;
+ i++;
+ }
+ }
+
+ out->length = to - out->data;
+
+ return 1;
+
+}
+
+static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) * _intname,
+ unsigned char **in)
+{
+ int i, len, ltmp;
+ ASN1_VALUE *v;
+ STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname;
+
+ len = 0;
+ for (i = 0; i < sk_ASN1_VALUE_num(intname); i++) {
+ v = sk_ASN1_VALUE_value(intname, i);
+ ltmp = ASN1_item_ex_i2d(&v, in,
+ ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1);
+ if (ltmp < 0)
+ return ltmp;
+ len += ltmp;
+ }
+ return len;
+}
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)
projects / openssl.git / blobdiff