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avoid potential spurious BN_free()
[openssl.git] / crypto / pem / pem.h
diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h
index 3397ed3aa61fad797a4a4fbbd8ffcd88a5107fe8..7db6b423d06bf76ecd045370a52d08e641138321 100644 (file)
--- a/crypto/pem/pem.h
+++ b/crypto/pem/pem.h
@@ -59,6 +59,7 @@
 #ifndef HEADER_PEM_H
 #define HEADER_PEM_H
 
+#include <openssl/e_os2.h>
 #ifndef OPENSSL_NO_BIO
 #include <openssl/bio.h>
 #endif
@@ -68,7 +69,6 @@
 #include <openssl/evp.h>
 #include <openssl/x509.h>
 #include <openssl/pem2.h>
-#include <openssl/e_os2.h>
 
 #ifdef  __cplusplus
 extern "C" {
@@ -91,6 +91,9 @@ extern "C" {
 #define PEM_OBJ_DHPARAMS       17
 #define PEM_OBJ_DSAPARAMS      18
 #define PEM_OBJ_PRIV_RSA_PUBLIC        19
+#define PEM_OBJ_PRIV_ECDSA     20
+#define PEM_OBJ_PUB_ECDSA      21
+#define PEM_OBJ_ECPARAMETERS   22
 
 #define PEM_ERROR              30
 #define PEM_DEK_DES_CBC         40
@@ -110,6 +113,7 @@ extern "C" {
 
 #define PEM_STRING_X509_OLD    "X509 CERTIFICATE"
 #define PEM_STRING_X509                "CERTIFICATE"
+#define PEM_STRING_X509_PAIR   "CERTIFICATE PAIR"
 #define PEM_STRING_X509_TRUSTED        "TRUSTED CERTIFICATE"
 #define PEM_STRING_X509_REQ_OLD        "NEW CERTIFICATE REQUEST"
 #define PEM_STRING_X509_REQ    "CERTIFICATE REQUEST"
@@ -126,6 +130,9 @@ extern "C" {
 #define PEM_STRING_DHPARAMS    "DH PARAMETERS"
 #define PEM_STRING_SSL_SESSION "SSL SESSION PARAMETERS"
 #define PEM_STRING_DSAPARAMS   "DSA PARAMETERS"
+#define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
+#define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
+#define PEM_STRING_ECPRIVATEKEY        "EC PRIVATE KEY"
 
   /* Note that this structure is initialised by PEM_SealInit and cleaned up
      by PEM_SealFinal (at least for now) */
@@ -149,7 +156,7 @@ typedef struct pem_recip_st
 
        int cipher;
        int key_enc;
-       char iv[8];
+       /*      char iv[8]; unused and wrong size */
        } PEM_USER;
 
 typedef struct pem_ctx_st
@@ -165,7 +172,8 @@ typedef struct pem_ctx_st
 
        struct  {
                int cipher;
-               unsigned char iv[8];
+       /* unused, and wrong size
+          unsigned char iv[8]; */
                } DEK_info;
                
        PEM_USER *originator;
@@ -187,7 +195,8 @@ typedef struct pem_ctx_st
        EVP_CIPHER *dec;        /* date encryption cipher */
        int key_len;            /* key length */
        unsigned char *key;     /* key */
-       unsigned char iv[8];    /* the iv */
+       /* unused, and wrong size
+          unsigned char iv[8]; */
 
        
        int  data_enc;          /* is the data encrypted */
@@ -211,24 +220,35 @@ typedef struct pem_ctx_st
 #define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
 { \
-return((type *)PEM_ASN1_read((char *(*)())d2i_##asn1, str,fp,(char **)x,\
-       cb,u)); \
+return(((type *(*)(D2I_OF(type),char *,FILE *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read))(d2i_##asn1, str,fp,x,cb,u)); \
 } \
 
 #define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
 int PEM_write_##name(FILE *fp, type *x) \
 { \
-return(PEM_ASN1_write((int (*)())i2d_##asn1,str,fp, (char *)x, \
-                                                        NULL,NULL,0,NULL,NULL)); \
-} 
+return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, const type *x) \
+{ \
+return(((int (*)(I2D_OF_const(type),const char *,FILE *, const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+}
 
 #define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
             unsigned char *kstr, int klen, pem_password_cb *cb, \
                  void *u) \
        { \
-       return(PEM_ASN1_write((int (*)())i2d_##asn1,str,fp, \
-               (char *)x,enc,kstr,klen,cb,u)); \
+       return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
+       }
+
+#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
+            unsigned char *kstr, int klen, pem_password_cb *cb, \
+                 void *u) \
+       { \
+       return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
        }
 
 #endif
@@ -236,33 +256,51 @@ int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
 #define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
 { \
-return((type *)PEM_ASN1_read_bio((char *(*)())d2i_##asn1, str,bp,\
-                                                       (char **)x,cb,u)); \
+return(((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i_##asn1, str,bp,x,cb,u)); \
 }
 
 #define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
 int PEM_write_bio_##name(BIO *bp, type *x) \
 { \
-return(PEM_ASN1_write_bio((int (*)())i2d_##asn1,str,bp, (char *)x, \
-                                                        NULL,NULL,0,NULL,NULL)); \
+return(((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, const type *x) \
+{ \
+return(((int (*)(I2D_OF_const(type),const char *,BIO *,const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
 }
 
 #define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
             unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
        { \
-       return(PEM_ASN1_write_bio((int (*)())i2d_##asn1,str,bp, \
-               (char *)x,enc,kstr,klen,cb,u)); \
+       return(((int (*)(I2D_OF(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
+       }
+
+#define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
+            unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
+       { \
+       return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
        }
 
 #define IMPLEMENT_PEM_write(name, type, str, asn1) \
        IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
        IMPLEMENT_PEM_write_fp(name, type, str, asn1) 
 
+#define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
+       IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
+       IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) 
+
 #define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
        IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
        IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) 
 
+#define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
+       IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
+       IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) 
+
 #define IMPLEMENT_PEM_read(name, type, str, asn1) \
        IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
        IMPLEMENT_PEM_read_fp(name, type, str, asn1) 
@@ -271,6 +309,10 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        IMPLEMENT_PEM_read(name, type, str, asn1) \
        IMPLEMENT_PEM_write(name, type, str, asn1)
 
+#define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
+       IMPLEMENT_PEM_read(name, type, str, asn1) \
+       IMPLEMENT_PEM_write_const(name, type, str, asn1)
+
 #define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
        IMPLEMENT_PEM_read(name, type, str, asn1) \
        IMPLEMENT_PEM_write_cb(name, type, str, asn1)
@@ -291,6 +333,9 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 #define DECLARE_PEM_write_fp(name, type) \
        int PEM_write_##name(FILE *fp, type *x);
 
+#define DECLARE_PEM_write_fp_const(name, type) \
+       int PEM_write_##name(FILE *fp, const type *x);
+
 #define DECLARE_PEM_write_cb_fp(name, type) \
        int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
             unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
@@ -304,6 +349,9 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 #define DECLARE_PEM_write_bio(name, type) \
        int PEM_write_bio_##name(BIO *bp, type *x);
 
+#define DECLARE_PEM_write_bio_const(name, type) \
+       int PEM_write_bio_##name(BIO *bp, const type *x);
+
 #define DECLARE_PEM_write_cb_bio(name, type) \
        int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
             unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
@@ -320,6 +368,10 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        DECLARE_PEM_write_bio(name, type) \
        DECLARE_PEM_write_fp(name, type) 
 
+#define DECLARE_PEM_write_const(name, type) \
+       DECLARE_PEM_write_bio_const(name, type) \
+       DECLARE_PEM_write_fp_const(name, type)
+
 #define DECLARE_PEM_write_cb(name, type) \
        DECLARE_PEM_write_cb_bio(name, type) \
        DECLARE_PEM_write_cb_fp(name, type) 
@@ -332,6 +384,10 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        DECLARE_PEM_read(name, type) \
        DECLARE_PEM_write(name, type)
 
+#define DECLARE_PEM_rw_const(name, type) \
+       DECLARE_PEM_read(name, type) \
+       DECLARE_PEM_write_const(name, type)
+
 #define DECLARE_PEM_rw_cb(name, type) \
        DECLARE_PEM_read(name, type) \
        DECLARE_PEM_write_cb(name, type)
@@ -401,9 +457,6 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
         (char *(*)())d2i_NETSCAPE_CERT_SEQUENCE,PEM_STRING_X509,fp,\
                                                        (char **)x,cb,u)
 
-#define PEM_write_bio_SSL_SESSION(bp,x) \
-               PEM_ASN1_write_bio((int (*)())i2d_SSL_SESSION, \
-                       PEM_STRING_SSL_SESSION,bp, (char *)x, NULL,NULL,0,NULL,NULL)
 #define PEM_write_bio_X509(bp,x) \
                PEM_ASN1_write_bio((int (*)())i2d_X509,PEM_STRING_X509,bp, \
                        (char *)x, NULL,NULL,0,NULL,NULL)
@@ -442,8 +495,6 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
                        PEM_STRING_X509,bp, \
                         (char *)x, NULL,NULL,0,NULL,NULL)
 
-#define        PEM_read_bio_SSL_SESSION(bp,x,cb,u) (SSL_SESSION *)PEM_ASN1_read_bio( \
-       (char *(*)())d2i_SSL_SESSION,PEM_STRING_SSL_SESSION,bp,(char **)x,cb,u)
 #define        PEM_read_bio_X509(bp,x,cb,u) (X509 *)PEM_ASN1_read_bio( \
        (char *(*)())d2i_X509,PEM_STRING_X509,bp,(char **)x,cb,u)
 #define        PEM_read_bio_X509_REQ(bp,x,cb,u) (X509_REQ *)PEM_ASN1_read_bio( \
@@ -492,11 +543,16 @@ int       PEM_write_bio(BIO *bp,const char *name,char *hdr,unsigned char *data,
                long len);
 int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp,
             pem_password_cb *cb, void *u);
-char * PEM_ASN1_read_bio(char *(*d2i)(),const char *name,BIO *bp,char **x,
-               pem_password_cb *cb, void *u);
-int    PEM_ASN1_write_bio(int (*i2d)(),const char *name,BIO *bp,char *x,
+void * PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
+                         void **x, pem_password_cb *cb, void *u);
+#define PEM_ASN1_read_bio_of(type,d2i,name,bp,x,cb,u) \
+((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i,name,bp,x,cb,u)
+int    PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp,char *x,
                           const EVP_CIPHER *enc,unsigned char *kstr,int klen,
                           pem_password_cb *cb, void *u);
+#define PEM_ASN1_write_bio_of(type,i2d,name,bp,x,enc,kstr,klen,cb,u) \
+       ((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d,name,bp,x,enc,kstr,klen,cb,u)
+
 STACK_OF(X509_INFO) *  PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
 int    PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc,
                unsigned char *kstr, int klen, pem_password_cb *cd, void *u);
@@ -506,11 +562,11 @@ int       PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc,
 int    PEM_read(FILE *fp, char **name, char **header,
                unsigned char **data,long *len);
 int    PEM_write(FILE *fp,char *name,char *hdr,unsigned char *data,long len);
-char * PEM_ASN1_read(char *(*d2i)(),const char *name,FILE *fp,char **x,
-       pem_password_cb *cb, void *u);
-int    PEM_ASN1_write(int (*i2d)(),const char *name,FILE *fp,char *x,
-                      const EVP_CIPHER *enc,unsigned char *kstr,int klen,
-                      pem_password_cb *callback, void *u);
+void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
+                     pem_password_cb *cb, void *u);
+int    PEM_ASN1_write(i2d_of_void *i2d,const char *name,FILE *fp,
+                      char *x,const EVP_CIPHER *enc,unsigned char *kstr,
+                      int klen,pem_password_cb *callback, void *u);
 STACK_OF(X509_INFO) *  PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
        pem_password_cb *cb, void *u);
 #endif
@@ -528,8 +584,6 @@ void    PEM_SignUpdate(EVP_MD_CTX *ctx,unsigned char *d,unsigned int cnt);
 int    PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
                unsigned int *siglen, EVP_PKEY *pkey);
 
-void   ERR_load_PEM_strings(void);
-
 int    PEM_def_callback(char *buf, int num, int w, void *key);
 void   PEM_proc_type(char *buf, int type);
 void   PEM_dek_info(char *buf, const char *type, int len, char *str);
@@ -542,6 +596,8 @@ DECLARE_PEM_rw(X509, X509)
 
 DECLARE_PEM_rw(X509_AUX, X509)
 
+DECLARE_PEM_rw(X509_CERT_PAIR, X509_CERT_PAIR)
+
 DECLARE_PEM_rw(X509_REQ, X509_REQ)
 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
 
@@ -559,7 +615,7 @@ DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
 
 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
 
-DECLARE_PEM_rw(RSAPublicKey, RSA)
+DECLARE_PEM_rw_const(RSAPublicKey, RSA)
 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
 
 #endif
@@ -570,13 +626,19 @@ DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
 
 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
 
-DECLARE_PEM_rw(DSAparams, DSA)
+DECLARE_PEM_rw_const(DSAparams, DSA)
+
+#endif
 
+#ifndef OPENSSL_NO_EC
+DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
+DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
+DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
 #endif
 
 #ifndef OPENSSL_NO_DH
 
-DECLARE_PEM_rw(DHparams, DH)
+DECLARE_PEM_rw_const(DHparams, DH)
 
 #endif
 
@@ -619,30 +681,34 @@ int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc,
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
+void ERR_load_PEM_strings(void);
 
 /* Error codes for the PEM functions. */
 
 /* Function codes. */
 #define PEM_F_D2I_PKCS8PRIVATEKEY_BIO                   120
 #define PEM_F_D2I_PKCS8PRIVATEKEY_FP                    121
-#define PEM_F_DEF_CALLBACK                              100
+#define PEM_F_DO_PK8PKEY                                126
+#define PEM_F_DO_PK8PKEY_FP                             125
 #define PEM_F_LOAD_IV                                   101
 #define PEM_F_PEM_ASN1_READ                             102
 #define PEM_F_PEM_ASN1_READ_BIO                                 103
 #define PEM_F_PEM_ASN1_WRITE                            104
 #define PEM_F_PEM_ASN1_WRITE_BIO                        105
+#define PEM_F_PEM_DEF_CALLBACK                          100
 #define PEM_F_PEM_DO_HEADER                             106
-#define PEM_F_PEM_F_DO_PK8KEY_FP                        122
 #define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY           118
 #define PEM_F_PEM_GET_EVP_CIPHER_INFO                   107
+#define PEM_F_PEM_PK8PKEY                               119
 #define PEM_F_PEM_READ                                  108
 #define PEM_F_PEM_READ_BIO                              109
+#define PEM_F_PEM_READ_BIO_PRIVATEKEY                   123
+#define PEM_F_PEM_READ_PRIVATEKEY                       124
 #define PEM_F_PEM_SEALFINAL                             110
 #define PEM_F_PEM_SEALINIT                              111
 #define PEM_F_PEM_SIGNFINAL                             112
 #define PEM_F_PEM_WRITE                                         113
 #define PEM_F_PEM_WRITE_BIO                             114
-#define PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY             119
 #define PEM_F_PEM_X509_INFO_READ                        115
 #define PEM_F_PEM_X509_INFO_READ_BIO                    116
 #define PEM_F_PEM_X509_INFO_WRITE_BIO                   117
@@ -669,4 +735,3 @@ int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc,
 }
 #endif
 #endif
-
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