* 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:
* 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
* 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
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
+#ifndef OPENSSL_NO_RSA
+# include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+# include <openssl/dsa.h>
+#endif
-#ifndef NO_FP_API
-STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u)
- {
- BIO *b;
- STACK_OF(X509_INFO) *ret;
+#ifndef OPENSSL_NO_STDIO
+STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
+ pem_password_cb *cb, void *u)
+{
+ BIO *b;
+ STACK_OF(X509_INFO) *ret;
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- PEMerr(PEM_F_PEM_X509_INFO_READ,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=PEM_X509_INFO_read_bio(b,sk,cb,u);
- BIO_free(b);
- return(ret);
- }
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_READ, ERR_R_BUF_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = PEM_X509_INFO_read_bio(b, sk, cb, u);
+ BIO_free(b);
+ return (ret);
+}
#endif
-STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u)
- {
- X509_INFO *xi=NULL;
- char *name=NULL,*header=NULL,**pp;
- unsigned char *data=NULL,*p;
- long len,error=0;
- int ok=0;
- STACK_OF(X509_INFO) *ret=NULL;
- unsigned int i,raw;
- char *(*d2i)();
+STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
+ pem_password_cb *cb, void *u)
+{
+ X509_INFO *xi = NULL;
+ char *name = NULL, *header = NULL;
+ void *pp;
+ unsigned char *data = NULL;
+ const unsigned char *p;
+ long len, error = 0;
+ int ok = 0;
+ STACK_OF(X509_INFO) *ret = NULL;
+ unsigned int i, raw, ptype;
+ d2i_of_void *d2i = 0;
+
+ if (sk == NULL) {
+ if ((ret = sk_X509_INFO_new_null()) == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ } else
+ ret = sk;
+
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ for (;;) {
+ raw = 0;
+ ptype = 0;
+ i = PEM_read_bio(bp, &name, &header, &data, &len);
+ if (i == 0) {
+ error = ERR_GET_REASON(ERR_peek_last_error());
+ if (error == PEM_R_NO_START_LINE) {
+ ERR_clear_error();
+ break;
+ }
+ goto err;
+ }
+ start:
+ if ((strcmp(name, PEM_STRING_X509) == 0) ||
+ (strcmp(name, PEM_STRING_X509_OLD) == 0)) {
+ d2i = (D2I_OF(void)) d2i_X509;
+ if (xi->x509 != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
+ pp = &(xi->x509);
+ } else if ((strcmp(name, PEM_STRING_X509_TRUSTED) == 0)) {
+ d2i = (D2I_OF(void)) d2i_X509_AUX;
+ if (xi->x509 != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
+ pp = &(xi->x509);
+ } else if (strcmp(name, PEM_STRING_X509_CRL) == 0) {
+ d2i = (D2I_OF(void)) d2i_X509_CRL;
+ if (xi->crl != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
+ pp = &(xi->crl);
+ } else
+#ifndef OPENSSL_NO_RSA
+ if (strcmp(name, PEM_STRING_RSA) == 0) {
+ d2i = (D2I_OF(void)) d2i_RSAPrivateKey;
+ if (xi->x_pkey != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
- if (sk == NULL)
- {
- if ((ret=sk_X509_INFO_new_null()) == NULL)
- {
- PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- else
- ret=sk;
+ xi->enc_data = NULL;
+ xi->enc_len = 0;
- if ((xi=X509_INFO_new()) == NULL) goto err;
- for (;;)
- {
- raw=0;
- i=PEM_read_bio(bp,&name,&header,&data,&len);
- if (i == 0)
- {
- error=ERR_GET_REASON(ERR_peek_error());
- if (error == PEM_R_NO_START_LINE)
- {
- ERR_clear_error();
- break;
- }
- goto err;
- }
-start:
- if ( (strcmp(name,PEM_STRING_X509) == 0) ||
- (strcmp(name,PEM_STRING_X509_OLD) == 0))
- {
- d2i=(char *(*)())d2i_X509;
- if (xi->x509 != NULL)
- {
- if (!sk_X509_INFO_push(ret,xi)) goto err;
- if ((xi=X509_INFO_new()) == NULL) goto err;
- goto start;
- }
- pp=(char **)&(xi->x509);
- }
- else if (strcmp(name,PEM_STRING_X509_CRL) == 0)
- {
- d2i=(char *(*)())d2i_X509_CRL;
- if (xi->crl != NULL)
- {
- if (!sk_X509_INFO_push(ret,xi)) goto err;
- if ((xi=X509_INFO_new()) == NULL) goto err;
- goto start;
- }
- pp=(char **)&(xi->crl);
- }
- else
-#ifndef NO_RSA
- if (strcmp(name,PEM_STRING_RSA) == 0)
- {
- d2i=(char *(*)())d2i_RSAPrivateKey;
- if (xi->x_pkey != NULL)
- {
- if (!sk_X509_INFO_push(ret,xi)) goto err;
- if ((xi=X509_INFO_new()) == NULL) goto err;
- goto start;
- }
+ xi->x_pkey = X509_PKEY_new();
+ if (xi->x_pkey == NULL)
+ goto err;
+ ptype = EVP_PKEY_RSA;
+ pp = &xi->x_pkey->dec_pkey;
+ if ((int)strlen(header) > 10) /* assume encrypted */
+ raw = 1;
+ } else
+#endif
+#ifndef OPENSSL_NO_DSA
+ if (strcmp(name, PEM_STRING_DSA) == 0) {
+ d2i = (D2I_OF(void)) d2i_DSAPrivateKey;
+ if (xi->x_pkey != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
- xi->enc_data=NULL;
- xi->enc_len=0;
+ xi->enc_data = NULL;
+ xi->enc_len = 0;
- xi->x_pkey=X509_PKEY_new();
- if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL)
- goto err;
- xi->x_pkey->dec_pkey->type=EVP_PKEY_RSA;
- pp=(char **)&(xi->x_pkey->dec_pkey->pkey.rsa);
- if ((int)strlen(header) > 10) /* assume encrypted */
- raw=1;
- }
- else
+ xi->x_pkey = X509_PKEY_new();
+ if (xi->x_pkey == NULL)
+ goto err;
+ ptype = EVP_PKEY_DSA;
+ pp = &xi->x_pkey->dec_pkey;
+ if ((int)strlen(header) > 10) /* assume encrypted */
+ raw = 1;
+ } else
#endif
-#ifndef NO_DSA
- if (strcmp(name,PEM_STRING_DSA) == 0)
- {
- d2i=(char *(*)())d2i_DSAPrivateKey;
- if (xi->x_pkey != NULL)
- {
- if (!sk_X509_INFO_push(ret,xi)) goto err;
- if ((xi=X509_INFO_new()) == NULL) goto err;
- goto start;
- }
+#ifndef OPENSSL_NO_EC
+ if (strcmp(name, PEM_STRING_ECPRIVATEKEY) == 0) {
+ d2i = (D2I_OF(void)) d2i_ECPrivateKey;
+ if (xi->x_pkey != NULL) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ if ((xi = X509_INFO_new()) == NULL)
+ goto err;
+ goto start;
+ }
- xi->enc_data=NULL;
- xi->enc_len=0;
+ xi->enc_data = NULL;
+ xi->enc_len = 0;
- xi->x_pkey=X509_PKEY_new();
- if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL)
- goto err;
- xi->x_pkey->dec_pkey->type=EVP_PKEY_DSA;
- pp=(char **)&(xi->x_pkey->dec_pkey->pkey.dsa);
- if ((int)strlen(header) > 10) /* assume encrypted */
- raw=1;
- }
- else
+ xi->x_pkey = X509_PKEY_new();
+ if (xi->x_pkey == NULL)
+ goto err;
+ ptype = EVP_PKEY_EC;
+ pp = &xi->x_pkey->dec_pkey;
+ if ((int)strlen(header) > 10) /* assume encrypted */
+ raw = 1;
+ } else
#endif
- {
- d2i=NULL;
- pp=NULL;
- }
+ {
+ d2i = NULL;
+ pp = NULL;
+ }
- if (d2i != NULL)
- {
- if (!raw)
- {
- EVP_CIPHER_INFO cipher;
+ if (d2i != NULL) {
+ if (!raw) {
+ EVP_CIPHER_INFO cipher;
- if (!PEM_get_EVP_CIPHER_INFO(header,&cipher))
- goto err;
- if (!PEM_do_header(&cipher,data,&len,cb,u))
- goto err;
- p=data;
- if (d2i(pp,&p,len) == NULL)
- {
- PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_ASN1_LIB);
- goto err;
- }
- }
- else
- { /* encrypted RSA data */
- if (!PEM_get_EVP_CIPHER_INFO(header,
- &xi->enc_cipher)) goto err;
- xi->enc_data=(char *)data;
- xi->enc_len=(int)len;
- data=NULL;
- }
- }
- else {
- /* unknown */
- }
- if (name != NULL) Free(name);
- if (header != NULL) Free(header);
- if (data != NULL) Free(data);
- name=NULL;
- header=NULL;
- data=NULL;
- }
+ if (!PEM_get_EVP_CIPHER_INFO(header, &cipher))
+ goto err;
+ if (!PEM_do_header(&cipher, data, &len, cb, u))
+ goto err;
+ p = data;
+ if (ptype) {
+ if (!d2i_PrivateKey(ptype, pp, &p, len)) {
+ PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
+ goto err;
+ }
+ } else if (d2i(pp, &p, len) == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
+ goto err;
+ }
+ } else { /* encrypted RSA data */
+ if (!PEM_get_EVP_CIPHER_INFO(header, &xi->enc_cipher))
+ goto err;
+ xi->enc_data = (char *)data;
+ xi->enc_len = (int)len;
+ data = NULL;
+ }
+ } else {
+ /* unknown */
+ }
+ OPENSSL_free(name);
+ name = NULL;
+ OPENSSL_free(header);
+ header = NULL;
+ OPENSSL_free(data);
+ data = NULL;
+ }
- /* if the last one hasn't been pushed yet and there is anything
- * in it then add it to the stack ...
- */
- if ((xi->x509 != NULL) || (xi->crl != NULL) ||
- (xi->x_pkey != NULL) || (xi->enc_data != NULL))
- {
- if (!sk_X509_INFO_push(ret,xi)) goto err;
- xi=NULL;
- }
- ok=1;
-err:
- if (xi != NULL) X509_INFO_free(xi);
- if (!ok)
- {
- for (i=0; ((int)i)<sk_X509_INFO_num(ret); i++)
- {
- xi=sk_X509_INFO_value(ret,i);
- X509_INFO_free(xi);
- }
- if (ret != sk) sk_X509_INFO_free(ret);
- ret=NULL;
- }
-
- if (name != NULL) Free(name);
- if (header != NULL) Free(header);
- if (data != NULL) Free(data);
- return(ret);
- }
+ /*
+ * if the last one hasn't been pushed yet and there is anything in it
+ * then add it to the stack ...
+ */
+ if ((xi->x509 != NULL) || (xi->crl != NULL) ||
+ (xi->x_pkey != NULL) || (xi->enc_data != NULL)) {
+ if (!sk_X509_INFO_push(ret, xi))
+ goto err;
+ xi = NULL;
+ }
+ ok = 1;
+ err:
+ X509_INFO_free(xi);
+ if (!ok) {
+ for (i = 0; ((int)i) < sk_X509_INFO_num(ret); i++) {
+ xi = sk_X509_INFO_value(ret, i);
+ X509_INFO_free(xi);
+ }
+ if (ret != sk)
+ sk_X509_INFO_free(ret);
+ ret = NULL;
+ }
+ OPENSSL_free(name);
+ OPENSSL_free(header);
+ OPENSSL_free(data);
+ return (ret);
+}
/* A TJH addition */
int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
- unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
- {
- EVP_CIPHER_CTX ctx;
- int i,ret=0;
- unsigned char *data=NULL;
- const char *objstr=NULL;
- char buf[PEM_BUFSIZE];
- unsigned char *iv=NULL;
-
- if (enc != NULL)
- {
- objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc));
- if (objstr == NULL)
- {
- PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
- goto err;
- }
- }
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ int i, ret = 0;
+ unsigned char *data = NULL;
+ const char *objstr = NULL;
+ char buf[PEM_BUFSIZE];
+ unsigned char *iv = NULL;
+
+ if (enc != NULL) {
+ objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
+ if (objstr == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
+ goto err;
+ }
+ }
+
+ /*
+ * now for the fun part ... if we have a private key then we have to be
+ * able to handle a not-yet-decrypted key being written out correctly ...
+ * if it is decrypted or it is non-encrypted then we use the base code
+ */
+ if (xi->x_pkey != NULL) {
+ if ((xi->enc_data != NULL) && (xi->enc_len > 0)) {
+ if (enc == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_CIPHER_IS_NULL);
+ goto err;
+ }
- /* now for the fun part ... if we have a private key then
- * we have to be able to handle a not-yet-decrypted key
- * being written out correctly ... if it is decrypted or
- * it is non-encrypted then we use the base code
- */
- if (xi->x_pkey!=NULL)
- {
- if ( (xi->enc_data!=NULL) && (xi->enc_len>0) )
- {
- /* copy from wierdo names into more normal things */
- iv=xi->enc_cipher.iv;
- data=(unsigned char *)xi->enc_data;
- i=xi->enc_len;
+ /* copy from weirdo names into more normal things */
+ iv = xi->enc_cipher.iv;
+ data = (unsigned char *)xi->enc_data;
+ i = xi->enc_len;
- /* we take the encryption data from the
- * internal stuff rather than what the
- * user has passed us ... as we have to
- * match exactly for some strange reason
- */
- objstr=OBJ_nid2sn(
- EVP_CIPHER_nid(xi->enc_cipher.cipher));
- if (objstr == NULL)
- {
- PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
- goto err;
- }
+ /*
+ * we take the encryption data from the internal stuff rather
+ * than what the user has passed us ... as we have to match
+ * exactly for some strange reason
+ */
+ objstr = OBJ_nid2sn(EVP_CIPHER_nid(xi->enc_cipher.cipher));
+ if (objstr == NULL) {
+ PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
+ PEM_R_UNSUPPORTED_CIPHER);
+ goto err;
+ }
- /* create the right magic header stuff */
- buf[0]='\0';
- PEM_proc_type(buf,PEM_TYPE_ENCRYPTED);
- PEM_dek_info(buf,objstr,8,(char *)iv);
+ /* create the right magic header stuff */
+ OPENSSL_assert(strlen(objstr) + 23
+ + 2 * EVP_CIPHER_iv_length(enc) + 13 <=
+ sizeof buf);
+ buf[0] = '\0';
+ PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
+ PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc),
+ (char *)iv);
- /* use the normal code to write things out */
- i=PEM_write_bio(bp,PEM_STRING_RSA,buf,data,i);
- if (i <= 0) goto err;
- }
- else
- {
- /* Add DSA/DH */
-#ifndef NO_RSA
- /* normal optionally encrypted stuff */
- if (PEM_write_bio_RSAPrivateKey(bp,
- xi->x_pkey->dec_pkey->pkey.rsa,
- enc,kstr,klen,cb,u)<=0)
- goto err;
+ /* use the normal code to write things out */
+ i = PEM_write_bio(bp, PEM_STRING_RSA, buf, data, i);
+ if (i <= 0)
+ goto err;
+ } else {
+ /* Add DSA/DH */
+#ifndef OPENSSL_NO_RSA
+ /* normal optionally encrypted stuff */
+ if (PEM_write_bio_RSAPrivateKey(bp,
+ xi->x_pkey->dec_pkey->pkey.rsa,
+ enc, kstr, klen, cb, u) <= 0)
+ goto err;
#endif
- }
- }
+ }
+ }
- /* if we have a certificate then write it out now */
- if ((xi->x509 != NULL) || (PEM_write_bio_X509(bp,xi->x509) <= 0))
- goto err;
+ /* if we have a certificate then write it out now */
+ if ((xi->x509 != NULL) && (PEM_write_bio_X509(bp, xi->x509) <= 0))
+ goto err;
- /* we are ignoring anything else that is loaded into the X509_INFO
- * structure for the moment ... as I don't need it so I'm not
- * coding it here and Eric can do it when this makes it into the
- * base library --tjh
- */
+ /*
+ * we are ignoring anything else that is loaded into the X509_INFO
+ * structure for the moment ... as I don't need it so I'm not coding it
+ * here and Eric can do it when this makes it into the base library --tjh
+ */
- ret=1;
+ ret = 1;
-err:
- memset((char *)&ctx,0,sizeof(ctx));
- memset(buf,0,PEM_BUFSIZE);
- return(ret);
- }
+ err:
+ OPENSSL_cleanse(buf, PEM_BUFSIZE);
+ return (ret);
+}
projects / openssl.git / blobdiff