Constify d2i, s2i, c2i and r2i functions and other associated
[openssl.git] / crypto / asn1 / asn1_mac.h
index 2689f22e4878eff4a282bfa083eec6beea154ab9..a67fb341eebd837b25f996e5f6314159d622fbf4 100644 (file)
 #ifndef HEADER_ASN1_MAC_H
 #define HEADER_ASN1_MAC_H
 
+#include <openssl/asn1.h>
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#include <openssl/asn1.h>
-#include <openssl/x509.h>
-#include <openssl/pkcs7.h>
-
 #ifndef ASN1_MAC_ERR_LIB
 #define ASN1_MAC_ERR_LIB       ERR_LIB_ASN1
 #endif 
 
 #define ASN1_MAC_H_err(f,r,line) \
-       ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),ERR_file_name,(line))
+       ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),__FILE__,(line))
 
 #define M_ASN1_D2I_vars(a,type,func) \
-       ASN1_CTX c; \
+       ASN1_const_CTX c; \
        type ret=NULL; \
        \
-       c.pp=pp; \
-       c.q= *pp; \
+       c.pp=(const unsigned char **)pp; \
+       c.q= *(const unsigned char **)pp; \
        c.error=ERR_R_NESTED_ASN1_ERROR; \
        if ((a == NULL) || ((*a) == NULL)) \
                { if ((ret=(type)func()) == NULL) \
@@ -87,13 +85,13 @@ extern "C" {
        else    ret=(*a);
 
 #define M_ASN1_D2I_Init() \
-       c.p= *pp; \
+       c.p= *(const unsigned char **)pp; \
        c.max=(length == 0)?0:(c.p+length);
 
 #define M_ASN1_D2I_Finish_2(a) \
-       if (!asn1_Finish(&c)) \
+       if (!asn1_const_Finish(&c)) \
                { c.line=__LINE__; goto err; } \
-       *pp=c.p; \
+       *(const unsigned char **)pp=c.p; \
        if (a != NULL) (*a)=ret; \
        return(ret);
 
@@ -101,17 +99,31 @@ extern "C" {
        M_ASN1_D2I_Finish_2(a); \
 err:\
        ASN1_MAC_H_err((e),c.error,c.line); \
-       asn1_add_error(*pp,(int)(c.q- *pp)); \
+       asn1_add_error(*(const unsigned char **)pp,(int)(c.q- *pp)); \
        if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
        return(NULL)
 
 #define M_ASN1_D2I_start_sequence() \
        if (!asn1_GetSequence(&c,&length)) \
                { c.line=__LINE__; goto err; }
+/* Begin reading ASN1 without a surrounding sequence */
+#define M_ASN1_D2I_begin() \
+       c.slen = length;
+
+/* End reading ASN1 with no check on length */
+#define M_ASN1_D2I_Finish_nolen(a, func, e) \
+       *pp=c.p; \
+       if (a != NULL) (*a)=ret; \
+       return(ret); \
+err:\
+       ASN1_MAC_H_err((e),c.error,c.line); \
+       asn1_add_error(*pp,(int)(c.q- *pp)); \
+       if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
+       return(NULL)
 
 #define M_ASN1_D2I_end_sequence() \
        (((c.inf&1) == 0)?(c.slen <= 0): \
-               (c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
+               (c.eos=ASN1_const_check_infinite_end(&c.p,c.slen)))
 
 /* Don't use this with d2i_ASN1_BOOLEAN() */
 #define M_ASN1_D2I_get(b,func) \
@@ -163,6 +175,11 @@ err:\
                V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
                { M_ASN1_D2I_get_set(r,func,free_func); }
 
+#define M_ASN1_D2I_get_set_opt_type(type,r,func,free_func) \
+       if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
+               V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
+               { M_ASN1_D2I_get_set_type(type,r,func,free_func); }
+
 #define M_ASN1_I2D_len_SET_opt(a,f) \
        if ((a != NULL) && (sk_num(a) != 0)) \
                M_ASN1_I2D_len_SET(a,f);
@@ -175,6 +192,10 @@ err:\
        if ((a != NULL) && (sk_num(a) != 0)) \
                M_ASN1_I2D_put_SEQUENCE(a,f);
 
+#define M_ASN1_I2D_put_SEQUENCE_opt_type(type,a,f) \
+       if ((a != NULL) && (sk_##type##_num(a) != 0)) \
+               M_ASN1_I2D_put_SEQUENCE_type(type,a,f);
+
 #define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
        if ((c.slen != 0) && \
                (M_ASN1_next == \
@@ -206,6 +227,11 @@ err:\
                V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
                { M_ASN1_D2I_get_seq(r,func,free_func); }
 
+#define M_ASN1_D2I_get_seq_opt_type(type,r,func,free_func) \
+       if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
+               V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
+               { M_ASN1_D2I_get_seq_type(type,r,func,free_func); }
+
 #define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
                M_ASN1_D2I_get_imp_set(r,func,free_func,\
                        x,V_ASN1_CONTEXT_SPECIFIC);
@@ -252,7 +278,7 @@ err:\
                        { c.line=__LINE__; goto err; } \
                if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
                        Tlen = c.slen - (c.p - c.q); \
-                       if(!ASN1_check_infinite_end(&c.p, Tlen)) \
+                       if(!ASN1_const_check_infinite_end(&c.p, Tlen)) \
                                { c.error=ERR_R_MISSING_ASN1_EOS; \
                                c.line=__LINE__; goto err; } \
                }\
@@ -286,9 +312,35 @@ err:\
                c.slen-=(c.p-c.q); \
                }
 
+#define M_ASN1_D2I_get_EXP_set_opt_type(type,r,func,free_func,tag,b) \
+       if ((c.slen != 0) && (M_ASN1_next == \
+               (V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
+               { \
+               int Tinf,Ttag,Tclass; \
+               long Tlen; \
+               \
+               c.q=c.p; \
+               Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
+               if (Tinf & 0x80) \
+                       { c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
+                       c.line=__LINE__; goto err; } \
+               if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
+                                       Tlen = c.slen - (c.p - c.q) - 2; \
+               if (d2i_ASN1_SET_OF_##type(&(r),&c.p,Tlen,func, \
+                       free_func,b,V_ASN1_UNIVERSAL) == NULL) \
+                       { c.line=__LINE__; goto err; } \
+               if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
+                       Tlen = c.slen - (c.p - c.q); \
+                       if(!ASN1_check_infinite_end(&c.p, Tlen)) \
+                               { c.error=ERR_R_MISSING_ASN1_EOS; \
+                               c.line=__LINE__; goto err; } \
+               }\
+               c.slen-=(c.p-c.q); \
+               }
+
 /* New macros */
 #define M_ASN1_New_Malloc(ret,type) \
-       if ((ret=(type *)Malloc(sizeof(type))) == NULL) \
+       if ((ret=(type *)OPENSSL_malloc(sizeof(type))) == NULL) \
                { c.line=__LINE__; goto err2; }
 
 #define M_ASN1_New(arg,func) \
@@ -301,8 +353,12 @@ err:\
                return(NULL)
 
 
-#define M_ASN1_next            (*c.p)
-#define M_ASN1_next_prev       (*c.q)
+/* BIG UGLY WARNING!  This is so damn ugly I wanna puke.  Unfortunately,
+   some macros that use ASN1_const_CTX still insist on writing in the input
+   stream.  ARGH!  ARGH!  ARGH!  Let's get rid of this macro package.
+   Please?                                             -- Richard Levitte */
+#define M_ASN1_next            (*((unsigned char *)(c.p)))
+#define M_ASN1_next_prev       (*((unsigned char *)(c.q)))
 
 /*************************************************/
 
@@ -317,6 +373,10 @@ err:\
 #define M_ASN1_I2D_len_SET(a,f) \
                ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
 
+#define M_ASN1_I2D_len_SET_type(type,a,f) \
+               ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SET, \
+                                           V_ASN1_UNIVERSAL,IS_SET);
+
 #define M_ASN1_I2D_len_SEQUENCE(a,f) \
                ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
                                  IS_SEQUENCE);
@@ -329,6 +389,10 @@ err:\
                if ((a != NULL) && (sk_num(a) != 0)) \
                        M_ASN1_I2D_len_SEQUENCE(a,f);
 
+#define M_ASN1_I2D_len_SEQUENCE_opt_type(type,a,f) \
+               if ((a != NULL) && (sk_##type##_num(a) != 0)) \
+                       M_ASN1_I2D_len_SEQUENCE_type(type,a,f);
+
 #define M_ASN1_I2D_len_IMP_SET(a,f,x) \
                ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);
 
@@ -383,6 +447,15 @@ err:\
                        ret+=ASN1_object_size(1,v,mtag); \
                        }
 
+#define M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
+               if ((a != NULL) && (sk_##type##_num(a) != 0))\
+                       { \
+                       v=i2d_ASN1_SET_OF_##type(a,NULL,f,tag, \
+                                                V_ASN1_UNIVERSAL, \
+                                                IS_SEQUENCE); \
+                       ret+=ASN1_object_size(1,v,mtag); \
+                       }
+
 /* Put Macros */
 #define M_ASN1_I2D_put(a,f)    f(a,&p)
 
@@ -396,6 +469,8 @@ err:\
 
 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
                        V_ASN1_UNIVERSAL,IS_SET)
+#define M_ASN1_I2D_put_SET_type(type,a,f) \
+     i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET)
 #define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
                        V_ASN1_CONTEXT_SPECIFIC,IS_SET)
 #define M_ASN1_I2D_put_IMP_SET_type(type,a,f,x) \
@@ -457,6 +532,14 @@ err:\
                        i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
                        }
 
+#define M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
+               if ((a != NULL) && (sk_##type##_num(a) != 0)) \
+                       { \
+                       ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
+                       i2d_ASN1_SET_OF_##type(a,&p,f,tag,V_ASN1_UNIVERSAL, \
+                                              IS_SEQUENCE); \
+                       }
+
 #define M_ASN1_I2D_seq_total() \
                r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
                if (pp == NULL) return(r); \
@@ -472,8 +555,8 @@ err:\
 #define M_ASN1_I2D_finish()    *pp=p; \
                                return(r);
 
-int asn1_GetSequence(ASN1_CTX *c, long *length);
-void asn1_add_error(unsigned char *address,int offset);
+int asn1_GetSequence(ASN1_const_CTX *c, long *length);
+void asn1_add_error(const unsigned char *address,int offset);
 #ifdef  __cplusplus
 }
 #endif