-#else
-static int asn1_get_length();
-static void asn1_put_length();
-#endif
-
-const char *ASN1_version="ASN.1" OPENSSL_VERSION_PTEXT;
-
-int ASN1_check_infinite_end(p,len)
-unsigned char **p;
-long len;
- {
- /* If there is 0 or 1 byte left, the length check should pick
- * things up */
- if (len <= 0)
- return(1);
- else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0))
- {
- (*p)+=2;
- return(1);
- }
- return(0);
- }
-
-
-int ASN1_get_object(pp, plength, ptag, pclass, omax)
-unsigned char **pp;
-long *plength;
-int *ptag;
-int *pclass;
-long omax;
- {
- int i,ret;
- long l;
- unsigned char *p= *pp;
- int tag,xclass,inf;
- long max=omax;
-
- if (!max) goto err;
- ret=(*p&V_ASN1_CONSTRUCTED);
- xclass=(*p&V_ASN1_PRIVATE);
- i= *p&V_ASN1_PRIMATIVE_TAG;
- if (i == V_ASN1_PRIMATIVE_TAG)
- { /* high-tag */
- p++;
- if (--max == 0) goto err;
- l=0;
- while (*p&0x80)
- {
- l<<=7L;
- l|= *(p++)&0x7f;
- if (--max == 0) goto err;
- }
- l<<=7L;
- l|= *(p++)&0x7f;
- tag=(int)l;
- }
- else
- {
- tag=i;
- p++;
- if (--max == 0) goto err;
- }
- *ptag=tag;
- *pclass=xclass;
- if (!asn1_get_length(&p,&inf,plength,(int)max)) goto err;
-
-#if 0
- fprintf(stderr,"p=%d + *plength=%ld > omax=%ld + *pp=%d (%d > %d)\n",
- (int)p,*plength,omax,(int)*pp,(int)(p+ *plength),
- (int)(omax+ *pp));
-
-#endif
-#if 0
- if ((p+ *plength) > (omax+ *pp))
- {
- ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG);
- /* Set this so that even if things are not long enough
- * the values are set correctly */
- ret|=0x80;
- }
-#endif
- *pp=p;
- return(ret|inf);
-err:
- ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_HEADER_TOO_LONG);
- return(0x80);
- }
-
-static int asn1_get_length(pp,inf,rl,max)
-unsigned char **pp;
-int *inf;
-long *rl;
-int max;
- {
- unsigned char *p= *pp;
- long ret=0;
- int i;
-
- if (max-- < 1) return(0);
- if (*p == 0x80)
- {
- *inf=1;
- ret=0;
- p++;
- }
- else
- {
- *inf=0;
- i= *p&0x7f;
- if (*(p++) & 0x80)
- {
- if (max-- == 0) return(0);
- while (i-- > 0)
- {
- ret<<=8L;
- ret|= *(p++);
- if (max-- == 0) return(0);
- }
- }
- else
- ret=i;
- }
- *pp=p;
- *rl=ret;
- return(1);
- }
-
-/* class 0 is constructed
- * constructed == 2 for indefinitle length constructed */
-void ASN1_put_object(pp,constructed,length,tag,xclass)
-unsigned char **pp;
-int constructed;
-int length;
-int tag;
-int xclass;
- {
- unsigned char *p= *pp;
- int i;
-
- i=(constructed)?V_ASN1_CONSTRUCTED:0;
- i|=(xclass&V_ASN1_PRIVATE);
- if (tag < 31)
- *(p++)=i|(tag&V_ASN1_PRIMATIVE_TAG);
- else
- {
- *(p++)=i|V_ASN1_PRIMATIVE_TAG;
- while (tag > 0x7f)
- {
- *(p++)=(tag&0x7f)|0x80;
- tag>>=7;
- }
- *(p++)=(tag&0x7f);
- }
- if ((constructed == 2) && (length == 0))
- *(p++)=0x80; /* der_put_length would output 0 instead */
- else
- asn1_put_length(&p,length);
- *pp=p;
- }
-
-static void asn1_put_length(pp, length)
-unsigned char **pp;
-int length;
- {
- unsigned char *p= *pp;
- int i,l;
- if (length <= 127)
- *(p++)=(unsigned char)length;
- else
- {
- l=length;
- for (i=0; l > 0; i++)
- l>>=8;
- *(p++)=i|0x80;
- l=i;
- while (i-- > 0)
- {
- p[i]=length&0xff;
- length>>=8;
- }
- p+=l;
- }
- *pp=p;
- }
-
-int ASN1_object_size(constructed, length, tag)
-int constructed;
-int length;
-int tag;
- {
- int ret;
-
- ret=length;
- ret++;
- if (tag >= 31)
- {
- while (tag > 0)
- {
- tag>>=7;
- ret++;
- }
- }
- if ((length == 0) && (constructed == 2))
- ret+=2;
- ret++;
- if (length > 127)
- {
- while (length > 0)
- {
- length>>=8;
- ret++;
- }
- }
- return(ret);
- }
-
-int asn1_Finish(c)
-ASN1_CTX *c;
- {
- if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos))
- {
- if (!ASN1_check_infinite_end(&c->p,c->slen))
- {
- c->error=ERR_R_MISSING_ASN1_EOS;
- return(0);
- }
- }
- if ( ((c->slen != 0) && !(c->inf & 1)) ||
- ((c->slen < 0) && (c->inf & 1)))
- {
- c->error=ERR_R_ASN1_LENGTH_MISMATCH;
- return(0);
- }
- return(1);
- }
-
-int asn1_GetSequence(c,length)
-ASN1_CTX *c;
-long *length;
- {
- unsigned char *q;
-
- q=c->p;
- c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass),
- *length);
- if (c->inf & 0x80)
- {
- c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL;
- return(0);
- }
- if (c->tag != V_ASN1_SEQUENCE)
- {
- c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE;
- return(0);
- }
- (*length)-=(c->p-q);
- if (c->max && (*length < 0))
- {
- c->error=ERR_R_ASN1_LENGTH_MISMATCH;
- return(0);
- }
- if (c->inf == (1|V_ASN1_CONSTRUCTED))
- c->slen= *length+ *(c->pp)-c->p;
- c->eos=0;
- return(1);
- }
-
-ASN1_STRING *ASN1_STRING_dup(str)
-ASN1_STRING *str;
- {
- ASN1_STRING *ret;
-
- if (str == NULL) return(NULL);
- if ((ret=ASN1_STRING_type_new(str->type)) == NULL)
- return(NULL);
- if (!ASN1_STRING_set(ret,str->data,str->length))
- {
- ASN1_STRING_free(ret);
- return(NULL);
- }
- return(ret);
- }
-
-int ASN1_STRING_set(str,data,len)
-ASN1_STRING *str;
-unsigned char *data;
-int len;
- {
- char *c;
-
- if (len < 0)
- {
- if (data == NULL)
- return(0);
- else
- len=strlen((char *)data);
- }
- if ((str->length < len) || (str->data == NULL))
- {
- c=(char *)str->data;
- if (c == NULL)
- str->data=(unsigned char *)Malloc(len+1);
- else
- str->data=(unsigned char *)Realloc(c,len+1);
-
- if (str->data == NULL)
- {
- str->data=(unsigned char *)c;
- return(0);
- }
- }
- str->length=len;
- if (data != NULL)
- {
- memcpy(str->data,data,len);
- /* an alowance for strings :-) */
- str->data[len]='\0';
- }
- return(1);
- }
-
-ASN1_STRING *ASN1_STRING_new()
- {
- return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING));
- }
-
-
-ASN1_STRING *ASN1_STRING_type_new(type)
-int type;
- {
- ASN1_STRING *ret;
-
- ret=(ASN1_STRING *)Malloc(sizeof(ASN1_STRING));
- if (ret == NULL)
- {
- ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- ret->length=0;
- ret->type=type;
- ret->data=NULL;
- ret->flags=0;
- return(ret);
- }
-
-void ASN1_STRING_free(a)
-ASN1_STRING *a;
- {
- if (a == NULL) return;
- if (a->data != NULL) Free((char *)a->data);
- Free((char *)a);
- }
-
-int ASN1_STRING_cmp(a,b)
-ASN1_STRING *a,*b;
- {
- int i;
-
- i=(a->length-b->length);
- if (i == 0)
- {
- i=memcmp(a->data,b->data,a->length);
- if (i == 0)
- return(a->type-b->type);
- else
- return(i);
- }
- else
- return(i);
- }
-
-void asn1_add_error(address,offset)
-unsigned char *address;
-int offset;
- {
- char buf1[16],buf2[16];
-
- sprintf(buf1,"%lu",(unsigned long)address);
- sprintf(buf2,"%d",offset);
- ERR_add_error_data(4,"address=",buf1," offset=",buf2);
- }