Merge from the ASN1 branch of new ASN1 code
[openssl.git] / crypto / asn1 / asn1_lib.c
index a18c7e70753373268ec3ec8eef09e8c93806ab6b..830ff2af3ced375df5a236685735a197e003eb45 100644 (file)
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include "asn1.h"
-#include "asn1_mac.h"
+#include <openssl/asn1.h>
 
-#ifndef NOPROTO
 static int asn1_get_length(unsigned char **pp,int *inf,long *rl,int max);
 static void asn1_put_length(unsigned char **pp, int length);
-#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;
+int ASN1_check_infinite_end(unsigned char **p, long len)
        {
        /* If there is 0 or 1 byte left, the length check should pick
         * things up */
@@ -88,12 +79,8 @@ long len;
        }
 
 
-int ASN1_get_object(pp, plength, ptag, pclass, omax)
-unsigned char **pp;
-long *plength;
-int *ptag;
-int *pclass;
-long omax;
+int ASN1_get_object(unsigned char **pp, long *plength, int *ptag, int *pclass,
+            long omax)
        {
        int i,ret;
        long l;
@@ -104,8 +91,8 @@ long 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)
+       i= *p&V_ASN1_PRIMITIVE_TAG;
+       if (i == V_ASN1_PRIMITIVE_TAG)
                {               /* high-tag */
                p++;
                if (--max == 0) goto err;
@@ -152,11 +139,7 @@ err:
        return(0x80);
        }
 
-static int asn1_get_length(pp,inf,rl,max)
-unsigned char **pp;
-int *inf;
-long *rl;
-int max;
+static int asn1_get_length(unsigned char **pp, int *inf, long *rl, int max)
        {
        unsigned char *p= *pp;
        long ret=0;
@@ -192,30 +175,29 @@ int max;
        }
 
 /* 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;
+ * constructed == 2 for indefinite length constructed */
+void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,
+            int xclass)
        {
        unsigned char *p= *pp;
-       int i;
+       int i, ttag;
 
        i=(constructed)?V_ASN1_CONSTRUCTED:0;
        i|=(xclass&V_ASN1_PRIVATE);
        if (tag < 31)
-               *(p++)=i|(tag&V_ASN1_PRIMATIVE_TAG);
+               *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG);
        else
                {
-               *(p++)=i|V_ASN1_PRIMATIVE_TAG;
-               while (tag > 0x7f)
+               *(p++)=i|V_ASN1_PRIMITIVE_TAG;
+               for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7;
+               ttag = i;
+               while(i-- > 0)
                        {
-                       *(p++)=(tag&0x7f)|0x80;
-                       tag>>=7;
+                       p[i] = tag & 0x7f;
+                       if(i != (ttag - 1)) p[i] |= 0x80;
+                       tag >>= 7;
                        }
-               *(p++)=(tag&0x7f);
+               p += ttag;
                }
        if ((constructed == 2) && (length == 0))
                *(p++)=0x80; /* der_put_length would output 0 instead */
@@ -224,9 +206,7 @@ int xclass;
        *pp=p;
        }
 
-static void asn1_put_length(pp, length)
-unsigned char **pp;
-int length;
+static void asn1_put_length(unsigned char **pp, int length)
        {
        unsigned char *p= *pp;
        int i,l;
@@ -249,10 +229,7 @@ int length;
        *pp=p;
        }
 
-int ASN1_object_size(constructed, length, tag)
-int constructed;
-int length;
-int tag;
+int ASN1_object_size(int constructed, int length, int tag)
        {
        int ret;
 
@@ -280,8 +257,7 @@ int tag;
        return(ret);
        }
 
-int asn1_Finish(c)
-ASN1_CTX *c;
+int asn1_Finish(ASN1_CTX *c)
        {
        if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos))
                {
@@ -300,9 +276,7 @@ ASN1_CTX *c;
        return(1);
        }
 
-int asn1_GetSequence(c,length)
-ASN1_CTX *c;
-long *length;
+int asn1_GetSequence(ASN1_CTX *c, long *length)
        {
        unsigned char *q;
 
@@ -331,8 +305,7 @@ long *length;
        return(1);
        }
 
-ASN1_STRING *ASN1_STRING_dup(str)
-ASN1_STRING *str;
+ASN1_STRING *ASN1_STRING_dup(ASN1_STRING *str)
        {
        ASN1_STRING *ret;
 
@@ -344,34 +317,33 @@ ASN1_STRING *str;
                ASN1_STRING_free(ret);
                return(NULL);
                }
+       ret->flags = str->flags;
        return(ret);
        }
 
-int ASN1_STRING_set(str,data,len)
-ASN1_STRING *str;
-unsigned char *data;
-int len;
+int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)
        {
-       char *c;
+       unsigned char *c;
+       const char *data=_data;
 
        if (len < 0)
                {
                if (data == NULL)
                        return(0);
                else
-                       len=strlen((char *)data);
+                       len=strlen(data);
                }
        if ((str->length < len) || (str->data == NULL))
                {
-               c=(char *)str->data;
+               c=str->data;
                if (c == NULL)
-                       str->data=(unsigned char *)Malloc(len+1);
+                       str->data=OPENSSL_malloc(len+1);
                else
-                       str->data=(unsigned char *)Realloc(c,len+1);
+                       str->data=OPENSSL_realloc(c,len+1);
 
                if (str->data == NULL)
                        {
-                       str->data=(unsigned char *)c;
+                       str->data=c;
                        return(0);
                        }
                }
@@ -379,24 +351,23 @@ int len;
        if (data != NULL)
                {
                memcpy(str->data,data,len);
-               /* an alowance for strings :-) */
+               /* an allowance for strings :-) */
                str->data[len]='\0';
                }
        return(1);
        }
 
-ASN1_STRING *ASN1_STRING_new()
+ASN1_STRING *ASN1_STRING_new(void)
        {
        return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING));
        }
 
 
-ASN1_STRING *ASN1_STRING_type_new(type)
-int type;
+ASN1_STRING *ASN1_STRING_type_new(int type)
        {
        ASN1_STRING *ret;
 
-       ret=(ASN1_STRING *)Malloc(sizeof(ASN1_STRING));
+       ret=(ASN1_STRING *)OPENSSL_malloc(sizeof(ASN1_STRING));
        if (ret == NULL)
                {
                ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE);
@@ -409,16 +380,14 @@ int type;
        return(ret);
        }
 
-void ASN1_STRING_free(a)
-ASN1_STRING *a;
+void ASN1_STRING_free(ASN1_STRING *a)
        {
        if (a == NULL) return;
-       if (a->data != NULL) Free((char *)a->data);
-       Free((char *)a);
+       if (a->data != NULL) OPENSSL_free(a->data);
+       OPENSSL_free(a);
        }
 
-int ASN1_STRING_cmp(a,b)
-ASN1_STRING *a,*b;
+int ASN1_STRING_cmp(ASN1_STRING *a, ASN1_STRING *b)
        {
        int i;
 
@@ -435,9 +404,7 @@ ASN1_STRING *a,*b;
                return(i);
        }
 
-void asn1_add_error(address,offset)
-unsigned char *address;
-int offset;
+void asn1_add_error(unsigned char *address, int offset)
        {
        char buf1[16],buf2[16];
 
@@ -446,3 +413,14 @@ int offset;
        ERR_add_error_data(4,"address=",buf1," offset=",buf2);
        }
 
+int ASN1_STRING_length(ASN1_STRING *x)
+{ return M_ASN1_STRING_length(x); }
+
+void ASN1_STRING_length_set(ASN1_STRING *x, int len)
+{ M_ASN1_STRING_length_set(x, len); return; }
+
+int ASN1_STRING_type(ASN1_STRING *x)
+{ return M_ASN1_STRING_type(x); }
+
+unsigned char * ASN1_STRING_data(ASN1_STRING *x)
+{ return M_ASN1_STRING_data(x); }