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-rw-r--r--crypto/asn1/a_bytes.c444
1 files changed, 218 insertions, 226 deletions
diff --git a/crypto/asn1/a_bytes.c b/crypto/asn1/a_bytes.c
index 92d630cdbaf8..12715a72809d 100644
--- a/crypto/asn1/a_bytes.c
+++ b/crypto/asn1/a_bytes.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
@@ -61,254 +61,246 @@
#include <openssl/asn1.h>
static int asn1_collate_primitive(ASN1_STRING *a, ASN1_const_CTX *c);
-/* type is a 'bitmap' of acceptable string types.
+/*
+ * type is a 'bitmap' of acceptable string types.
*/
ASN1_STRING *d2i_ASN1_type_bytes(ASN1_STRING **a, const unsigned char **pp,
- long length, int type)
- {
- ASN1_STRING *ret=NULL;
- const unsigned char *p;
- unsigned char *s;
- long len;
- int inf,tag,xclass;
- int i=0;
+ long length, int type)
+{
+ ASN1_STRING *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ long len;
+ int inf, tag, xclass;
+ int i = 0;
- p= *pp;
- inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
- if (inf & 0x80) goto err;
+ p = *pp;
+ inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+ if (inf & 0x80)
+ goto err;
- if (tag >= 32)
- {
- i=ASN1_R_TAG_VALUE_TOO_HIGH;
- goto err;
- }
- if (!(ASN1_tag2bit(tag) & type))
- {
- i=ASN1_R_WRONG_TYPE;
- goto err;
- }
+ if (tag >= 32) {
+ i = ASN1_R_TAG_VALUE_TOO_HIGH;
+ goto err;
+ }
+ if (!(ASN1_tag2bit(tag) & type)) {
+ i = ASN1_R_WRONG_TYPE;
+ goto err;
+ }
- /* If a bit-string, exit early */
- if (tag == V_ASN1_BIT_STRING)
- return(d2i_ASN1_BIT_STRING(a,pp,length));
+ /* If a bit-string, exit early */
+ if (tag == V_ASN1_BIT_STRING)
+ return (d2i_ASN1_BIT_STRING(a, pp, length));
- if ((a == NULL) || ((*a) == NULL))
- {
- if ((ret=ASN1_STRING_new()) == NULL) return(NULL);
- }
- else
- ret=(*a);
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_STRING_new()) == NULL)
+ return (NULL);
+ } else
+ ret = (*a);
- if (len != 0)
- {
- s=(unsigned char *)OPENSSL_malloc((int)len+1);
- if (s == NULL)
- {
- i=ERR_R_MALLOC_FAILURE;
- goto err;
- }
- memcpy(s,p,(int)len);
- s[len]='\0';
- p+=len;
- }
- else
- s=NULL;
+ if (len != 0) {
+ s = (unsigned char *)OPENSSL_malloc((int)len + 1);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ memcpy(s, p, (int)len);
+ s[len] = '\0';
+ p += len;
+ } else
+ s = NULL;
- if (ret->data != NULL) OPENSSL_free(ret->data);
- ret->length=(int)len;
- ret->data=s;
- ret->type=tag;
- if (a != NULL) (*a)=ret;
- *pp=p;
- return(ret);
-err:
- ASN1err(ASN1_F_D2I_ASN1_TYPE_BYTES,i);
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- ASN1_STRING_free(ret);
- return(NULL);
- }
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ ret->length = (int)len;
+ ret->data = s;
+ ret->type = tag;
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return (ret);
+ err:
+ ASN1err(ASN1_F_D2I_ASN1_TYPE_BYTES, i);
+ if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+ ASN1_STRING_free(ret);
+ return (NULL);
+}
int i2d_ASN1_bytes(ASN1_STRING *a, unsigned char **pp, int tag, int xclass)
- {
- int ret,r,constructed;
- unsigned char *p;
+{
+ int ret, r, constructed;
+ unsigned char *p;
- if (a == NULL) return(0);
+ if (a == NULL)
+ return (0);
- if (tag == V_ASN1_BIT_STRING)
- return(i2d_ASN1_BIT_STRING(a,pp));
-
- ret=a->length;
- r=ASN1_object_size(0,ret,tag);
- if (pp == NULL) return(r);
- p= *pp;
+ if (tag == V_ASN1_BIT_STRING)
+ return (i2d_ASN1_BIT_STRING(a, pp));
- if ((tag == V_ASN1_SEQUENCE) || (tag == V_ASN1_SET))
- constructed=1;
- else
- constructed=0;
- ASN1_put_object(&p,constructed,ret,tag,xclass);
- memcpy(p,a->data,a->length);
- p+=a->length;
- *pp= p;
- return(r);
- }
+ ret = a->length;
+ r = ASN1_object_size(0, ret, tag);
+ if (pp == NULL)
+ return (r);
+ p = *pp;
-ASN1_STRING *d2i_ASN1_bytes(ASN1_STRING **a, const unsigned char **pp,
- long length, int Ptag, int Pclass)
- {
- ASN1_STRING *ret=NULL;
- const unsigned char *p;
- unsigned char *s;
- long len;
- int inf,tag,xclass;
- int i=0;
+ if ((tag == V_ASN1_SEQUENCE) || (tag == V_ASN1_SET))
+ constructed = 1;
+ else
+ constructed = 0;
+ ASN1_put_object(&p, constructed, ret, tag, xclass);
+ memcpy(p, a->data, a->length);
+ p += a->length;
+ *pp = p;
+ return (r);
+}
- if ((a == NULL) || ((*a) == NULL))
- {
- if ((ret=ASN1_STRING_new()) == NULL) return(NULL);
- }
- else
- ret=(*a);
+ASN1_STRING *d2i_ASN1_bytes(ASN1_STRING **a, const unsigned char **pp,
+ long length, int Ptag, int Pclass)
+{
+ ASN1_STRING *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ long len;
+ int inf, tag, xclass;
+ int i = 0;
- p= *pp;
- inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
- if (inf & 0x80)
- {
- i=ASN1_R_BAD_OBJECT_HEADER;
- goto err;
- }
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_STRING_new()) == NULL)
+ return (NULL);
+ } else
+ ret = (*a);
- if (tag != Ptag)
- {
- i=ASN1_R_WRONG_TAG;
- goto err;
- }
+ p = *pp;
+ inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+ if (inf & 0x80) {
+ i = ASN1_R_BAD_OBJECT_HEADER;
+ goto err;
+ }
- if (inf & V_ASN1_CONSTRUCTED)
- {
- ASN1_const_CTX c;
+ if (tag != Ptag) {
+ i = ASN1_R_WRONG_TAG;
+ goto err;
+ }
- c.pp=pp;
- c.p=p;
- c.inf=inf;
- c.slen=len;
- c.tag=Ptag;
- c.xclass=Pclass;
- c.max=(length == 0)?0:(p+length);
- if (!asn1_collate_primitive(ret,&c))
- goto err;
- else
- {
- p=c.p;
- }
- }
- else
- {
- if (len != 0)
- {
- if ((ret->length < len) || (ret->data == NULL))
- {
- if (ret->data != NULL) OPENSSL_free(ret->data);
- s=(unsigned char *)OPENSSL_malloc((int)len + 1);
- if (s == NULL)
- {
- i=ERR_R_MALLOC_FAILURE;
- goto err;
- }
- }
- else
- s=ret->data;
- memcpy(s,p,(int)len);
- s[len] = '\0';
- p+=len;
- }
- else
- {
- s=NULL;
- if (ret->data != NULL) OPENSSL_free(ret->data);
- }
+ if (inf & V_ASN1_CONSTRUCTED) {
+ ASN1_const_CTX c;
- ret->length=(int)len;
- ret->data=s;
- ret->type=Ptag;
- }
+ c.pp = pp;
+ c.p = p;
+ c.inf = inf;
+ c.slen = len;
+ c.tag = Ptag;
+ c.xclass = Pclass;
+ c.max = (length == 0) ? 0 : (p + length);
+ if (!asn1_collate_primitive(ret, &c))
+ goto err;
+ else {
+ p = c.p;
+ }
+ } else {
+ if (len != 0) {
+ if ((ret->length < len) || (ret->data == NULL)) {
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ s = (unsigned char *)OPENSSL_malloc((int)len + 1);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ } else
+ s = ret->data;
+ memcpy(s, p, (int)len);
+ s[len] = '\0';
+ p += len;
+ } else {
+ s = NULL;
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ }
- if (a != NULL) (*a)=ret;
- *pp=p;
- return(ret);
-err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- ASN1_STRING_free(ret);
- ASN1err(ASN1_F_D2I_ASN1_BYTES,i);
- return(NULL);
- }
+ ret->length = (int)len;
+ ret->data = s;
+ ret->type = Ptag;
+ }
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return (ret);
+ err:
+ if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+ ASN1_STRING_free(ret);
+ ASN1err(ASN1_F_D2I_ASN1_BYTES, i);
+ return (NULL);
+}
-/* We are about to parse 0..n d2i_ASN1_bytes objects, we are to collapse
- * them into the one structure that is then returned */
-/* There have been a few bug fixes for this function from
- * Paul Keogh <paul.keogh@sse.ie>, many thanks to him */
+/*
+ * We are about to parse 0..n d2i_ASN1_bytes objects, we are to collapse them
+ * into the one structure that is then returned
+ */
+/*
+ * There have been a few bug fixes for this function from Paul Keogh
+ * <paul.keogh@sse.ie>, many thanks to him
+ */
static int asn1_collate_primitive(ASN1_STRING *a, ASN1_const_CTX *c)
- {
- ASN1_STRING *os=NULL;
- BUF_MEM b;
- int num;
-
- b.length=0;
- b.max=0;
- b.data=NULL;
+{
+ ASN1_STRING *os = NULL;
+ BUF_MEM b;
+ int num;
- if (a == NULL)
- {
- c->error=ERR_R_PASSED_NULL_PARAMETER;
- goto err;
- }
+ b.length = 0;
+ b.max = 0;
+ b.data = NULL;
- num=0;
- for (;;)
- {
- if (c->inf & 1)
- {
- c->eos=ASN1_const_check_infinite_end(&c->p,
- (long)(c->max-c->p));
- if (c->eos) break;
- }
- else
- {
- if (c->slen <= 0) break;
- }
+ if (a == NULL) {
+ c->error = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
- c->q=c->p;
- if (d2i_ASN1_bytes(&os,&c->p,c->max-c->p,c->tag,c->xclass)
- == NULL)
- {
- c->error=ERR_R_ASN1_LIB;
- goto err;
- }
+ num = 0;
+ for (;;) {
+ if (c->inf & 1) {
+ c->eos = ASN1_const_check_infinite_end(&c->p,
+ (long)(c->max - c->p));
+ if (c->eos)
+ break;
+ } else {
+ if (c->slen <= 0)
+ break;
+ }
- if (!BUF_MEM_grow_clean(&b,num+os->length))
- {
- c->error=ERR_R_BUF_LIB;
- goto err;
- }
- memcpy(&(b.data[num]),os->data,os->length);
- if (!(c->inf & 1))
- c->slen-=(c->p-c->q);
- num+=os->length;
- }
+ c->q = c->p;
+ if (d2i_ASN1_bytes(&os, &c->p, c->max - c->p, c->tag, c->xclass)
+ == NULL) {
+ c->error = ERR_R_ASN1_LIB;
+ goto err;
+ }
- if (!asn1_const_Finish(c)) goto err;
+ if (!BUF_MEM_grow_clean(&b, num + os->length)) {
+ c->error = ERR_R_BUF_LIB;
+ goto err;
+ }
+ memcpy(&(b.data[num]), os->data, os->length);
+ if (!(c->inf & 1))
+ c->slen -= (c->p - c->q);
+ num += os->length;
+ }
- a->length=num;
- if (a->data != NULL) OPENSSL_free(a->data);
- a->data=(unsigned char *)b.data;
- if (os != NULL) ASN1_STRING_free(os);
- return(1);
-err:
- ASN1err(ASN1_F_ASN1_COLLATE_PRIMITIVE,c->error);
- if (os != NULL) ASN1_STRING_free(os);
- if (b.data != NULL) OPENSSL_free(b.data);
- return(0);
- }
+ if (!asn1_const_Finish(c))
+ goto err;
+ a->length = num;
+ if (a->data != NULL)
+ OPENSSL_free(a->data);
+ a->data = (unsigned char *)b.data;
+ if (os != NULL)
+ ASN1_STRING_free(os);
+ return (1);
+ err:
+ ASN1err(ASN1_F_ASN1_COLLATE_PRIMITIVE, c->error);
+ if (os != NULL)
+ ASN1_STRING_free(os);
+ if (b.data != NULL)
+ OPENSSL_free(b.data);
+ return (0);
+}