diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2008-03-12 21:14:28 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2008-03-12 21:14:28 +0000 |
commit | 8931b30d8478b0bd24af251fac64e7b0bf121369 (patch) | |
tree | 04d17028c745633b40b997699bc580c7b4cc600d /crypto/asn1 | |
parent | 27dc105f51361fc71f556e927f621218883b0c26 (diff) |
And so it begins...
Initial support for CMS.
Add zlib compression BIO.
Add AES key wrap implementation.
Generalize S/MIME MIME code to support CMS and/or PKCS7.
Diffstat (limited to 'crypto/asn1')
-rw-r--r-- | crypto/asn1/Makefile | 59 | ||||
-rw-r--r-- | crypto/asn1/asn1.h | 53 | ||||
-rw-r--r-- | crypto/asn1/asn1_err.c | 20 | ||||
-rw-r--r-- | crypto/asn1/asn1t.h | 29 | ||||
-rw-r--r-- | crypto/asn1/asn_mime.c | 938 | ||||
-rw-r--r-- | crypto/asn1/bio_ndef.c | 246 | ||||
-rw-r--r-- | crypto/asn1/p5_pbe.c | 105 | ||||
-rw-r--r-- | crypto/asn1/x_algor.c | 5 |
8 files changed, 1395 insertions, 60 deletions
diff --git a/crypto/asn1/Makefile b/crypto/asn1/Makefile index 8ec745b8c5..4b4da3decf 100644 --- a/crypto/asn1/Makefile +++ b/crypto/asn1/Makefile @@ -27,7 +27,7 @@ LIBSRC= a_object.c a_bitstr.c a_utctm.c a_gentm.c a_time.c a_int.c a_octet.c \ tasn_new.c tasn_fre.c tasn_enc.c tasn_dec.c tasn_utl.c tasn_typ.c \ tasn_prn.c ameth_lib.c \ f_int.c f_string.c n_pkey.c \ - f_enum.c x_pkey.c a_bool.c x_exten.c bio_asn1.c \ + f_enum.c x_pkey.c a_bool.c x_exten.c bio_asn1.c bio_ndef.c asn_mime.c \ asn1_gen.c asn1_par.c asn1_lib.c asn1_err.c a_bytes.c a_strnid.c \ evp_asn1.c asn_pack.c p5_pbe.c p5_pbev2.c p8_pkey.c asn_moid.c LIBOBJ= a_object.o a_bitstr.o a_utctm.o a_gentm.o a_time.o a_int.o a_octet.o \ @@ -40,7 +40,7 @@ LIBOBJ= a_object.o a_bitstr.o a_utctm.o a_gentm.o a_time.o a_int.o a_octet.o \ tasn_new.o tasn_fre.o tasn_enc.o tasn_dec.o tasn_utl.o tasn_typ.o \ tasn_prn.o ameth_lib.o \ f_int.o f_string.o n_pkey.o \ - f_enum.o x_pkey.o a_bool.o x_exten.o bio_asn1.o \ + f_enum.o x_pkey.o a_bool.o x_exten.o bio_asn1.o bio_ndef.o asn_mime.o \ asn1_gen.o asn1_par.o asn1_lib.o asn1_err.o a_bytes.o a_strnid.o \ evp_asn1.o asn_pack.o p5_pbe.o p5_pbev2.o p8_pkey.o asn_moid.o @@ -366,6 +366,20 @@ asn1_par.o: ../../include/openssl/opensslconf.h asn1_par.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h asn1_par.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h asn1_par.o: ../../include/openssl/symhacks.h ../cryptlib.h asn1_par.c +asn_mime.o: ../../e_os.h ../../include/openssl/asn1.h +asn_mime.o: ../../include/openssl/asn1t.h ../../include/openssl/bio.h +asn_mime.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h +asn_mime.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h +asn_mime.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h +asn_mime.o: ../../include/openssl/err.h ../../include/openssl/evp.h +asn_mime.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +asn_mime.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +asn_mime.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +asn_mime.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h +asn_mime.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h +asn_mime.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +asn_mime.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h +asn_mime.o: ../cryptlib.h asn1_locl.h asn_mime.c asn_moid.o: ../../e_os.h ../../include/openssl/asn1.h asn_moid.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h asn_moid.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h @@ -394,16 +408,26 @@ bio_asn1.o: ../../include/openssl/opensslconf.h bio_asn1.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h bio_asn1.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h bio_asn1.o: ../../include/openssl/symhacks.h bio_asn1.c +bio_ndef.o: ../../include/openssl/asn1.h ../../include/openssl/asn1t.h +bio_ndef.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h +bio_ndef.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h +bio_ndef.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h +bio_ndef.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +bio_ndef.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h +bio_ndef.o: ../../include/openssl/symhacks.h bio_ndef.c d2i_pr.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h d2i_pr.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h d2i_pr.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h -d2i_pr.o: ../../include/openssl/engine.h ../../include/openssl/err.h -d2i_pr.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h -d2i_pr.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h -d2i_pr.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h -d2i_pr.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h -d2i_pr.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h -d2i_pr.o: ../cryptlib.h asn1_locl.h d2i_pr.c +d2i_pr.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h +d2i_pr.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h +d2i_pr.o: ../../include/openssl/err.h ../../include/openssl/evp.h +d2i_pr.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +d2i_pr.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +d2i_pr.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +d2i_pr.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h +d2i_pr.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +d2i_pr.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h +d2i_pr.o: ../../include/openssl/x509_vfy.h ../cryptlib.h asn1_locl.h d2i_pr.c d2i_pu.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h d2i_pu.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h d2i_pu.o: ../../include/openssl/crypto.h ../../include/openssl/dsa.h @@ -447,13 +471,16 @@ f_string.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h f_string.o: ../../include/openssl/symhacks.h ../cryptlib.h f_string.c i2d_pr.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h i2d_pr.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h -i2d_pr.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h -i2d_pr.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h -i2d_pr.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h -i2d_pr.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h -i2d_pr.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h -i2d_pr.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h -i2d_pr.o: ../cryptlib.h asn1_locl.h i2d_pr.c +i2d_pr.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h +i2d_pr.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h +i2d_pr.o: ../../include/openssl/err.h ../../include/openssl/evp.h +i2d_pr.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +i2d_pr.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +i2d_pr.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +i2d_pr.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h +i2d_pr.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +i2d_pr.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h +i2d_pr.o: ../../include/openssl/x509_vfy.h ../cryptlib.h asn1_locl.h i2d_pr.c i2d_pu.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h i2d_pu.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h i2d_pu.o: ../../include/openssl/crypto.h ../../include/openssl/dsa.h diff --git a/crypto/asn1/asn1.h b/crypto/asn1/asn1.h index 8acf94594f..6ab12a9df9 100644 --- a/crypto/asn1/asn1.h +++ b/crypto/asn1/asn1.h @@ -158,7 +158,12 @@ extern "C" { #define MBSTRING_BMP (MBSTRING_FLAG|2) #define MBSTRING_UNIV (MBSTRING_FLAG|4) +#define SMIME_OLDMIME 0x400 +#define SMIME_CRLFEOL 0x800 +#define SMIME_STREAM 0x1000 + struct X509_algor_st; +DECLARE_STACK_OF(X509_ALGOR) #define DECLARE_ASN1_SET_OF(type) /* filled in by mkstack.pl */ #define IMPLEMENT_ASN1_SET_OF(type) /* nothing, no longer needed */ @@ -218,6 +223,13 @@ typedef struct asn1_object_st * be inserted in the memory buffer */ #define ASN1_STRING_FLAG_NDEF 0x010 + +/* This flag is used by the CMS code to indicate that a string is not + * complete and is a place holder for content when it had all been + * accessed. The flag will be reset when content has been written to it. + */ + +#define ASN1_STRING_FLAG_CONT 0x020 /* This is the base type that holds just about everything :-) */ typedef struct asn1_string_st { @@ -939,6 +951,12 @@ void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, char *x); void *ASN1_item_dup(const ASN1_ITEM *it, void *x); +/* ASN1 alloc/free macros for when a type is only used internally */ + +#define M_ASN1_new_of(type) (type *)ASN1_item_new(ASN1_ITEM_rptr(type)) +#define M_ASN1_free_of(x, type) \ + ASN1_item_free(CHECKED_PTR_OF(type, x), ASN1_ITEM_rptr(type)) + #ifndef OPENSSL_NO_FP_API void *ASN1_d2i_fp(void *(*xnew)(void), d2i_of_void *d2i, FILE *in, void **x); @@ -1100,6 +1118,21 @@ void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags); BIO_METHOD *BIO_f_asn1(void); +BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it); + +int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, + const ASN1_ITEM *it); +int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, + const char *hdr, + const ASN1_ITEM *it); +int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, + int ctype_nid, + STACK_OF(X509_ALGOR) *mdalgs, + const ASN1_ITEM *it); +ASN1_VALUE *SMIME_read_asn1(BIO *bio, BIO **bcont, const ASN1_ITEM *it); +int SMIME_crlf_copy(BIO *in, BIO *out, int flags); +int SMIME_text(BIO *in, BIO *out); + /* BEGIN ERROR CODES */ /* 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. @@ -1149,6 +1182,7 @@ void ERR_load_ASN1_strings(void); #define ASN1_F_ASN1_ITEM_VERIFY 197 #define ASN1_F_ASN1_MBSTRING_NCOPY 122 #define ASN1_F_ASN1_OBJECT_NEW 123 +#define ASN1_F_ASN1_OUTPUT_DATA 214 #define ASN1_F_ASN1_PACK_STRING 124 #define ASN1_F_ASN1_PCTX_NEW 205 #define ASN1_F_ASN1_PKCS5_PBE_SET 125 @@ -1168,6 +1202,9 @@ void ERR_load_ASN1_strings(void); #define ASN1_F_ASN1_UNPACK_STRING 136 #define ASN1_F_ASN1_UTCTIME_SET 187 #define ASN1_F_ASN1_VERIFY 137 +#define ASN1_F_B64_READ_ASN1 209 +#define ASN1_F_B64_WRITE_ASN1 210 +#define ASN1_F_BIO_NEW_NDEF 208 #define ASN1_F_BITSTR_CB 180 #define ASN1_F_BN_TO_ASN1_ENUMERATED 138 #define ASN1_F_BN_TO_ASN1_INTEGER 139 @@ -1196,6 +1233,7 @@ void ERR_load_ASN1_strings(void); #define ASN1_F_D2I_X509 156 #define ASN1_F_D2I_X509_CINF 157 #define ASN1_F_D2I_X509_PKEY 159 +#define ASN1_F_I2D_ASN1_BIO_STREAM 211 #define ASN1_F_I2D_ASN1_SET 188 #define ASN1_F_I2D_ASN1_TIME 160 #define ASN1_F_I2D_DSA_PUBKEY 161 @@ -1209,6 +1247,9 @@ void ERR_load_ASN1_strings(void); #define ASN1_F_PARSE_TAGGING 182 #define ASN1_F_PKCS5_PBE2_SET_IV 167 #define ASN1_F_PKCS5_PBE_SET 202 +#define ASN1_F_PKCS5_PBE_SET0_ALGOR 215 +#define ASN1_F_SMIME_READ_ASN1 212 +#define ASN1_F_SMIME_TEXT 213 #define ASN1_F_X509_CINF_NEW 168 #define ASN1_F_X509_CRL_ADD0_REVOKED 169 #define ASN1_F_X509_INFO_NEW 170 @@ -1220,6 +1261,8 @@ void ERR_load_ASN1_strings(void); /* Reason codes. */ #define ASN1_R_ADDING_OBJECT 171 +#define ASN1_R_ASN1_PARSE_ERROR 203 +#define ASN1_R_ASN1_SIG_PARSE_ERROR 204 #define ASN1_R_AUX_ERROR 100 #define ASN1_R_BAD_CLASS 101 #define ASN1_R_BAD_OBJECT_HEADER 102 @@ -1267,6 +1310,7 @@ void ERR_load_ASN1_strings(void); #define ASN1_R_INTEGER_TOO_LARGE_FOR_LONG 128 #define ASN1_R_INVALID_BMPSTRING_LENGTH 129 #define ASN1_R_INVALID_DIGIT 130 +#define ASN1_R_INVALID_MIME_TYPE 205 #define ASN1_R_INVALID_MODIFIER 186 #define ASN1_R_INVALID_NUMBER 187 #define ASN1_R_INVALID_SEPARATOR 131 @@ -1276,6 +1320,9 @@ void ERR_load_ASN1_strings(void); #define ASN1_R_IV_TOO_LARGE 135 #define ASN1_R_LENGTH_ERROR 136 #define ASN1_R_LIST_ERROR 188 +#define ASN1_R_MIME_NO_CONTENT_TYPE 206 +#define ASN1_R_MIME_PARSE_ERROR 207 +#define ASN1_R_MIME_SIG_PARSE_ERROR 208 #define ASN1_R_MISSING_EOC 137 #define ASN1_R_MISSING_SECOND_NUMBER 138 #define ASN1_R_MISSING_VALUE 189 @@ -1285,8 +1332,12 @@ void ERR_load_ASN1_strings(void); #define ASN1_R_NON_HEX_CHARACTERS 141 #define ASN1_R_NOT_ASCII_FORMAT 190 #define ASN1_R_NOT_ENOUGH_DATA 142 +#define ASN1_R_NO_CONTENT_TYPE 209 #define ASN1_R_NO_DEFAULT_DIGEST 201 #define ASN1_R_NO_MATCHING_CHOICE_TYPE 143 +#define ASN1_R_NO_MULTIPART_BODY_FAILURE 210 +#define ASN1_R_NO_MULTIPART_BOUNDARY 211 +#define ASN1_R_NO_SIG_CONTENT_TYPE 212 #define ASN1_R_NULL_IS_WRONG_LENGTH 144 #define ASN1_R_OBJECT_NOT_ASCII_FORMAT 191 #define ASN1_R_ODD_NUMBER_OF_CHARS 145 @@ -1296,6 +1347,8 @@ void ERR_load_ASN1_strings(void); #define ASN1_R_SEQUENCE_NOT_CONSTRUCTED 149 #define ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG 192 #define ASN1_R_SHORT_LINE 150 +#define ASN1_R_SIG_INVALID_MIME_TYPE 213 +#define ASN1_R_STREAMING_NOT_SUPPORTED 202 #define ASN1_R_STRING_TOO_LONG 151 #define ASN1_R_STRING_TOO_SHORT 152 #define ASN1_R_TAG_VALUE_TOO_HIGH 153 diff --git a/crypto/asn1/asn1_err.c b/crypto/asn1/asn1_err.c index 480ed70764..063d705556 100644 --- a/crypto/asn1/asn1_err.c +++ b/crypto/asn1/asn1_err.c @@ -110,6 +110,7 @@ static ERR_STRING_DATA ASN1_str_functs[]= {ERR_FUNC(ASN1_F_ASN1_ITEM_VERIFY), "ASN1_item_verify"}, {ERR_FUNC(ASN1_F_ASN1_MBSTRING_NCOPY), "ASN1_mbstring_ncopy"}, {ERR_FUNC(ASN1_F_ASN1_OBJECT_NEW), "ASN1_OBJECT_new"}, +{ERR_FUNC(ASN1_F_ASN1_OUTPUT_DATA), "ASN1_OUTPUT_DATA"}, {ERR_FUNC(ASN1_F_ASN1_PACK_STRING), "ASN1_pack_string"}, {ERR_FUNC(ASN1_F_ASN1_PCTX_NEW), "ASN1_PCTX_new"}, {ERR_FUNC(ASN1_F_ASN1_PKCS5_PBE_SET), "ASN1_PKCS5_PBE_SET"}, @@ -129,6 +130,9 @@ static ERR_STRING_DATA ASN1_str_functs[]= {ERR_FUNC(ASN1_F_ASN1_UNPACK_STRING), "ASN1_unpack_string"}, {ERR_FUNC(ASN1_F_ASN1_UTCTIME_SET), "ASN1_UTCTIME_set"}, {ERR_FUNC(ASN1_F_ASN1_VERIFY), "ASN1_verify"}, +{ERR_FUNC(ASN1_F_B64_READ_ASN1), "B64_READ_ASN1"}, +{ERR_FUNC(ASN1_F_B64_WRITE_ASN1), "B64_WRITE_ASN1"}, +{ERR_FUNC(ASN1_F_BIO_NEW_NDEF), "BIO_new_NDEF"}, {ERR_FUNC(ASN1_F_BITSTR_CB), "BITSTR_CB"}, {ERR_FUNC(ASN1_F_BN_TO_ASN1_ENUMERATED), "BN_to_ASN1_ENUMERATED"}, {ERR_FUNC(ASN1_F_BN_TO_ASN1_INTEGER), "BN_to_ASN1_INTEGER"}, @@ -157,6 +161,7 @@ static ERR_STRING_DATA ASN1_str_functs[]= {ERR_FUNC(ASN1_F_D2I_X509), "D2I_X509"}, {ERR_FUNC(ASN1_F_D2I_X509_CINF), "D2I_X509_CINF"}, {ERR_FUNC(ASN1_F_D2I_X509_PKEY), "d2i_X509_PKEY"}, +{ERR_FUNC(ASN1_F_I2D_ASN1_BIO_STREAM), "i2d_ASN1_bio_stream"}, {ERR_FUNC(ASN1_F_I2D_ASN1_SET), "i2d_ASN1_SET"}, {ERR_FUNC(ASN1_F_I2D_ASN1_TIME), "I2D_ASN1_TIME"}, {ERR_FUNC(ASN1_F_I2D_DSA_PUBKEY), "i2d_DSA_PUBKEY"}, @@ -170,6 +175,9 @@ static ERR_STRING_DATA ASN1_str_functs[]= {ERR_FUNC(ASN1_F_PARSE_TAGGING), "PARSE_TAGGING"}, {ERR_FUNC(ASN1_F_PKCS5_PBE2_SET_IV), "PKCS5_pbe2_set_iv"}, {ERR_FUNC(ASN1_F_PKCS5_PBE_SET), "PKCS5_pbe_set"}, +{ERR_FUNC(ASN1_F_PKCS5_PBE_SET0_ALGOR), "PKCS5_pbe_set0_algor"}, +{ERR_FUNC(ASN1_F_SMIME_READ_ASN1), "SMIME_read_asn1"}, +{ERR_FUNC(ASN1_F_SMIME_TEXT), "SMIME_text"}, {ERR_FUNC(ASN1_F_X509_CINF_NEW), "X509_CINF_NEW"}, {ERR_FUNC(ASN1_F_X509_CRL_ADD0_REVOKED), "X509_CRL_add0_revoked"}, {ERR_FUNC(ASN1_F_X509_INFO_NEW), "X509_INFO_new"}, @@ -184,6 +192,8 @@ static ERR_STRING_DATA ASN1_str_functs[]= static ERR_STRING_DATA ASN1_str_reasons[]= { {ERR_REASON(ASN1_R_ADDING_OBJECT) ,"adding object"}, +{ERR_REASON(ASN1_R_ASN1_PARSE_ERROR) ,"asn1 parse error"}, +{ERR_REASON(ASN1_R_ASN1_SIG_PARSE_ERROR) ,"asn1 sig parse error"}, {ERR_REASON(ASN1_R_AUX_ERROR) ,"aux error"}, {ERR_REASON(ASN1_R_BAD_CLASS) ,"bad class"}, {ERR_REASON(ASN1_R_BAD_OBJECT_HEADER) ,"bad object header"}, @@ -231,6 +241,7 @@ static ERR_STRING_DATA ASN1_str_reasons[]= {ERR_REASON(ASN1_R_INTEGER_TOO_LARGE_FOR_LONG),"integer too large for long"}, {ERR_REASON(ASN1_R_INVALID_BMPSTRING_LENGTH),"invalid bmpstring length"}, {ERR_REASON(ASN1_R_INVALID_DIGIT) ,"invalid digit"}, +{ERR_REASON(ASN1_R_INVALID_MIME_TYPE) ,"invalid mime type"}, {ERR_REASON(ASN1_R_INVALID_MODIFIER) ,"invalid modifier"}, {ERR_REASON(ASN1_R_INVALID_NUMBER) ,"invalid number"}, {ERR_REASON(ASN1_R_INVALID_SEPARATOR) ,"invalid separator"}, @@ -240,6 +251,9 @@ static ERR_STRING_DATA ASN1_str_reasons[]= {ERR_REASON(ASN1_R_IV_TOO_LARGE) ,"iv too large"}, {ERR_REASON(ASN1_R_LENGTH_ERROR) ,"length error"}, {ERR_REASON(ASN1_R_LIST_ERROR) ,"list error"}, +{ERR_REASON(ASN1_R_MIME_NO_CONTENT_TYPE) ,"mime no content type"}, +{ERR_REASON(ASN1_R_MIME_PARSE_ERROR) ,"mime parse error"}, +{ERR_REASON(ASN1_R_MIME_SIG_PARSE_ERROR) ,"mime sig parse error"}, {ERR_REASON(ASN1_R_MISSING_EOC) ,"missing eoc"}, {ERR_REASON(ASN1_R_MISSING_SECOND_NUMBER),"missing second number"}, {ERR_REASON(ASN1_R_MISSING_VALUE) ,"missing value"}, @@ -249,8 +263,12 @@ static ERR_STRING_DATA ASN1_str_reasons[]= {ERR_REASON(ASN1_R_NON_HEX_CHARACTERS) ,"non hex characters"}, {ERR_REASON(ASN1_R_NOT_ASCII_FORMAT) ,"not ascii format"}, {ERR_REASON(ASN1_R_NOT_ENOUGH_DATA) ,"not enough data"}, +{ERR_REASON(ASN1_R_NO_CONTENT_TYPE) ,"no content type"}, {ERR_REASON(ASN1_R_NO_DEFAULT_DIGEST) ,"no default digest"}, {ERR_REASON(ASN1_R_NO_MATCHING_CHOICE_TYPE),"no matching choice type"}, +{ERR_REASON(ASN1_R_NO_MULTIPART_BODY_FAILURE),"no multipart body failure"}, +{ERR_REASON(ASN1_R_NO_MULTIPART_BOUNDARY),"no multipart boundary"}, +{ERR_REASON(ASN1_R_NO_SIG_CONTENT_TYPE) ,"no sig content type"}, {ERR_REASON(ASN1_R_NULL_IS_WRONG_LENGTH) ,"null is wrong length"}, {ERR_REASON(ASN1_R_OBJECT_NOT_ASCII_FORMAT),"object not ascii format"}, {ERR_REASON(ASN1_R_ODD_NUMBER_OF_CHARS) ,"odd number of chars"}, @@ -260,6 +278,8 @@ static ERR_STRING_DATA ASN1_str_reasons[]= {ERR_REASON(ASN1_R_SEQUENCE_NOT_CONSTRUCTED),"sequence not constructed"}, {ERR_REASON(ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG),"sequence or set needs config"}, {ERR_REASON(ASN1_R_SHORT_LINE) ,"short line"}, +{ERR_REASON(ASN1_R_SIG_INVALID_MIME_TYPE),"sig invalid mime type"}, +{ERR_REASON(ASN1_R_STREAMING_NOT_SUPPORTED),"streaming not supported"}, {ERR_REASON(ASN1_R_STRING_TOO_LONG) ,"string too long"}, {ERR_REASON(ASN1_R_STRING_TOO_SHORT) ,"string too short"}, {ERR_REASON(ASN1_R_TAG_VALUE_TOO_HIGH) ,"tag value too high"}, diff --git a/crypto/asn1/asn1t.h b/crypto/asn1/asn1t.h index fff8030f7d..edf2552cba 100644 --- a/crypto/asn1/asn1t.h +++ b/crypto/asn1/asn1t.h @@ -169,6 +169,9 @@ extern "C" { #define ASN1_NDEF_SEQUENCE(tname) \ ASN1_SEQUENCE(tname) +#define ASN1_NDEF_SEQUENCE_cb(tname, cb) \ + ASN1_SEQUENCE_cb(tname, cb) + #define ASN1_SEQUENCE_cb(tname, cb) \ static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \ ASN1_SEQUENCE(tname) @@ -215,6 +218,18 @@ extern "C" { #stname \ ASN1_ITEM_end(tname) +#define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \ + ;\ + ASN1_ITEM_start(tname) \ + ASN1_ITYPE_NDEF_SEQUENCE,\ + V_ASN1_SEQUENCE,\ + tname##_seq_tt,\ + sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ + &tname##_aux,\ + sizeof(stname),\ + #stname \ + ASN1_ITEM_end(tname) + /* This pair helps declare a CHOICE type. We can do: * @@ -720,6 +735,16 @@ typedef struct ASN1_PRINT_ARG_st { const ASN1_PCTX *pctx; } ASN1_PRINT_ARG; +/* For streaming related callbacks exarg points to this structure */ +typedef struct ASN1_STREAM_ARG_st { + /* BIO to stream through */ + BIO *out; + /* BIO with filters appended */ + BIO *ndef_bio; + /* Streaming I/O boundary */ + unsigned char **boundary; +} ASN1_STREAM_ARG; + /* Flags in ASN1_AUX */ /* Use a reference count */ @@ -741,6 +766,10 @@ typedef struct ASN1_PRINT_ARG_st { #define ASN1_OP_I2D_POST 7 #define ASN1_OP_PRINT_PRE 8 #define ASN1_OP_PRINT_POST 9 +#define ASN1_OP_STREAM_PRE 8 +#define ASN1_OP_STREAM_POST 9 +#define ASN1_OP_DETACHED_PRE 10 +#define ASN1_OP_DETACHED_POST 11 /* Macro to implement a primitive type */ #define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0) diff --git a/crypto/asn1/asn_mime.c b/crypto/asn1/asn_mime.c new file mode 100644 index 0000000000..9148817210 --- /dev/null +++ b/crypto/asn1/asn_mime.c @@ -0,0 +1,938 @@ +/* asn_mime.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 1999-2008 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT 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. + * ==================================================================== + * + */ + +#include <stdio.h> +#include <ctype.h> +#include "cryptlib.h" +#include <openssl/rand.h> +#include <openssl/x509.h> +#include <openssl/asn1.h> +#include <openssl/asn1t.h> +#include "asn1_locl.h" + +/* Generalised MIME like utilities for streaming ASN1. Although many + * have a PKCS7/CMS like flavour others are more general purpose. + */ + +/* MIME format structures + * Note that all are translated to lower case apart from + * parameter values. Quotes are stripped off + */ + +typedef struct { +char *param_name; /* Param name e.g. "micalg" */ +char *param_value; /* Param value e.g. "sha1" */ +} MIME_PARAM; + +DECLARE_STACK_OF(MIME_PARAM) +IMPLEMENT_STACK_OF(MIME_PARAM) + +typedef struct { +char *name; /* Name of line e.g. "content-type" */ +char *value; /* Value of line e.g. "text/plain" */ +STACK_OF(MIME_PARAM) *params; /* Zero or more parameters */ +} MIME_HEADER; + +DECLARE_STACK_OF(MIME_HEADER) +IMPLEMENT_STACK_OF(MIME_HEADER) + +static int asn1_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, + const ASN1_ITEM *it); +static char * strip_ends(char *name); +static char * strip_start(char *name); +static char * strip_end(char *name); +static MIME_HEADER *mime_hdr_new(char *name, char *value); +static int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value); +static STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio); +static int mime_hdr_cmp(const MIME_HEADER * const *a, + const MIME_HEADER * const *b); +static int mime_param_cmp(const MIME_PARAM * const *a, + const MIME_PARAM * const *b); +static void mime_param_free(MIME_PARAM *param); +static int mime_bound_check(char *line, int linelen, char *bound, int blen); +static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret); +static int strip_eol(char *linebuf, int *plen); +static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name); +static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name); +static void mime_hdr_free(MIME_HEADER *hdr); + +#define MAX_SMLEN 1024 +#define mime_debug(x) /* x */ + +/* Output an ASN1 structure in BER format streaming if necessary */ + +int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, + const ASN1_ITEM *it) + { + /* If streaming create stream BIO and copy all content through it */ + if (flags & SMIME_STREAM) + { + BIO *bio, *tbio; + bio = BIO_new_NDEF(out, val, it); + if (!bio) + { + ASN1err(ASN1_F_I2D_ASN1_BIO_STREAM,ERR_R_MALLOC_FAILURE); + return 0; + } + SMIME_crlf_copy(in, bio, flags); + (void)BIO_flush(bio); + /* Free up successive BIOs until we hit the old output BIO */ + do + { + tbio = BIO_pop(bio); + BIO_free(bio); + bio = tbio; + } while (bio != out); + } + /* else just write out ASN1 structure which will have all content + * stored internally + */ + else + ASN1_item_i2d_bio(it, out, val); + return 1; + } + +/* Base 64 read and write of ASN1 structure */ + +static int B64_write_ASN1(BIO *out, ASN1_VALUE *val, BIO *in, int flags, + const ASN1_ITEM *it) + { + BIO *b64; + int r; + b64 = BIO_new(BIO_f_base64()); + if(!b64) + { + ASN1err(ASN1_F_B64_WRITE_ASN1,ERR_R_MALLOC_FAILURE); + return 0; + } + /* prepend the b64 BIO so all data is base64 encoded. + */ + out = BIO_push(b64, out); + r = i2d_ASN1_bio_stream(out, val, in, flags, it); + (void)BIO_flush(out); + BIO_pop(out); + BIO_free(b64); + return r; + } + +/* Streaming ASN1 PEM write */ + +int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, + const char *hdr, + const ASN1_ITEM *it) + { + int r; + BIO_printf(out, "-----BEGIN %s-----\n", hdr); + r = B64_write_ASN1(out, val, in, flags, it); + BIO_printf(out, "-----END %s-----\n", hdr); + return r; + } + +static ASN1_VALUE *b64_read_asn1(BIO *bio, const ASN1_ITEM *it) +{ + BIO *b64; + ASN1_VALUE *val; + if(!(b64 = BIO_new(BIO_f_base64()))) { + ASN1err(ASN1_F_B64_READ_ASN1,ERR_R_MALLOC_FAILURE); + return 0; + } + bio = BIO_push(b64, bio); + val = ASN1_item_d2i_bio(it, bio, NULL); + if(!val) + ASN1err(ASN1_F_B64_READ_ASN1,ASN1_R_DECODE_ERROR); + (void)BIO_flush(bio); + bio = BIO_pop(bio); + BIO_free(b64); + return val; +} + +/* Generate the MIME "micalg" parameter from RFC3851, RFC4490 */ + +static int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) + { + const EVP_MD *md; + int i, have_unknown = 0, write_comma, ret = 0, md_nid; + have_unknown = 0; + write_comma = 0; + for (i = 0; i < sk_X509_ALGOR_num(mdalgs); i++) + { + if (write_comma) + BIO_write(out, ",", 1); + write_comma = 1; + md_nid = OBJ_obj2nid(sk_X509_ALGOR_value(mdalgs, i)->algorithm); + md = EVP_get_digestbynid(md_nid); + if (md && md->md_ctrl) + { + int rv; + char *micstr; + rv = md->md_ctrl(NULL, EVP_MD_CTRL_MICALG, 0, &micstr); + if (rv > 0) + { + BIO_puts(out, micstr); + OPENSSL_free(micstr); + continue; + } + if (rv != -2) + goto err; + } + switch(md_nid) + { + case NID_sha1: + BIO_puts(out, "sha1"); + break; + + case NID_md5: + BIO_puts(out, "md5"); + break; + + case NID_sha256: + BIO_puts(out, "sha-256"); + break; + + case NID_sha384: + BIO_puts(out, "sha-384"); + break; + + case NID_sha512: + BIO_puts(out, "sha-512"); + break; + + case NID_id_GostR3411_94: + BIO_puts(out, "gostr3411-94"); + goto err; + break; + + default: + if (have_unknown) + write_comma = 0; + else + { + BIO_puts(out, "unknown"); + have_unknown = 1; + } + break; + + } + } + + ret = 1; + err: + + return ret; + + } + +/* SMIME sender */ + +int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, + int ctype_nid, + STACK_OF(X509_ALGOR) *mdalgs, + const ASN1_ITEM *it) +{ + char bound[33], c; + int i; + const char *mime_prefix, *mime_eol, *cname = "smime.p7m"; + const char *msg_type=NULL; + if (flags & SMIME_OLDMIME) + mime_prefix = "application/x-pkcs7-"; + else + mime_prefix = "application/pkcs7-"; + + if (flags & SMIME_CRLFEOL) + mime_eol = "\r\n"; + else + mime_eol = "\n"; + if((flags & SMIME_DETACHED) && data) { + /* We want multipart/signed */ + /* Generate a random boundary */ + RAND_pseudo_bytes((unsigned char *)bound, 32); + for(i = 0; i < 32; i++) { + c = bound[i] & 0xf; + if(c < 10) c += '0'; + else c += 'A' - 10; + bound[i] = c; + } + bound[32] = 0; + BIO_printf(bio, "MIME-Version: 1.0%s", mime_eol); + BIO_printf(bio, "Content-Type: multipart/signed;"); + BIO_printf(bio, " protocol=\"%ssignature\";", mime_prefix); + BIO_puts(bio, " micalg=\""); + asn1_write_micalg(bio, mdalgs); + BIO_printf(bio, "\"; boundary=\"----%s\"%s%s", + bound, mime_eol, mime_eol); + BIO_printf(bio, "This is an S/MIME signed message%s%s", + mime_eol, mime_eol); + /* Now write out the first part */ + BIO_printf(bio, "------%s%s", bound, mime_eol); + if (!asn1_output_data(bio, data, val, flags, it)) + return 0; + BIO_printf(bio, "%s------%s%s", mime_eol, bound, mime_eol); + + /* Headers for signature */ + + BIO_printf(bio, "Content-Type: %ssignature;", mime_prefix); + BIO_printf(bio, " name=\"smime.p7s\"%s", mime_eol); + BIO_printf(bio, "Content-Transfer-Encoding: base64%s", + mime_eol); + BIO_printf(bio, "Content-Disposition: attachment;"); + BIO_printf(bio, " filename=\"smime.p7s\"%s%s", + mime_eol, mime_eol); + B64_write_ASN1(bio, val, NULL, 0, it); + BIO_printf(bio,"%s------%s--%s%s", mime_eol, bound, + mime_eol, mime_eol); + return 1; + } + + /* Determine smime-type header */ + + if (ctype_nid == NID_pkcs7_enveloped) + msg_type = "enveloped-data"; + else if (ctype_nid == NID_pkcs7_signed) + { + if (sk_X509_ALGOR_num(mdalgs) >= 0) + msg_type = "signed-data"; + else + msg_type = "certs-only"; + } + else if (ctype_nid == NID_id_smime_ct_compressedData) + { + msg_type = "compressed-data"; + cname = "smime.p7z"; + } + /* MIME headers */ + BIO_printf(bio, "MIME-Version: 1.0%s", mime_eol); + BIO_printf(bio, "Content-Disposition: attachment;"); + BIO_printf(bio, " filename=\"%s\"%s", cname, mime_eol); + BIO_printf(bio, "Content-Type: %smime;", mime_prefix); + if (msg_type) + BIO_printf(bio, " smime-type=%s;", msg_type); + BIO_printf(bio, " name=\"%s\"%s", cname, mime_eol); + BIO_printf(bio, "Content-Transfer-Encoding: base64%s%s", + mime_eol, mime_eol); + if (!B64_write_ASN1(bio, val, data, flags, it)) + return 0; + BIO_printf(bio, "%s", mime_eol); + return 1; +} + +/* Handle output of ASN1 data */ + + +static int asn1_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, + const ASN1_ITEM *it) + { + BIO *tmpbio; + const ASN1_AUX *aux = it->funcs; + ASN1_STREAM_ARG sarg; + + if (!(flags & SMIME_DETACHED)) + { + SMIME_crlf_copy(data, out, flags); + return 1; + } + + if (!aux || !aux->asn1_cb) + { + ASN1err(ASN1_F_ASN1_OUTPUT_DATA, + ASN1_R_STREAMING_NOT_SUPPORTED); + return 0; + } + + sarg.out = out; + sarg.ndef_bio = NULL; + sarg.boundary = NULL; + + /* Let ASN1 code prepend any needed BIOs */ + + if (aux->asn1_cb(ASN1_OP_DETACHED_PRE, &val, it, &sarg) <= 0) + return 0; + + /* Copy data across, passing through filter BIOs for processing */ + SMIME_crlf_copy(data, sarg.ndef_bio, flags); + + /* Finalize structure */ + if (aux->asn1_cb(ASN1_OP_DETACHED_POST, &val, it, &sarg) <= 0) + return 0; + + /* Now remove any digests prepended to the BIO */ + + while (sarg.ndef_bio != out) + { + tmpbio = BIO_pop(sarg.ndef_bio); + BIO_free(sarg.ndef_bio); + sarg.ndef_bio = tmpbio; + } + + return 1; + + } + +/* SMIME reader: handle multipart/signed and opaque signing. + * in multipart case the content is placed in a memory BIO + * pointed to by "bcont". In opaque this is set to NULL + */ + +ASN1_VALUE *SMIME_read_asn1(BIO *bio, BIO **bcont, const ASN1_ITEM *it) +{ + BIO *asnin; + STACK_OF(MIME_HEADER) *headers = NULL; + STACK_OF(BIO) *parts = NULL; + MIME_HEADER *hdr; + MIME_PARAM *prm; + ASN1_VALUE *val; + int ret; + + if(bcont) *bcont = NULL; + + if (!(headers = mime_parse_hdr(bio))) { + ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_MIME_PARSE_ERROR); + return NULL; + } + + if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); + ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_CONTENT_TYPE); + return NULL; + } + + /* Handle multipart/signed */ + + if(!strcmp(hdr->value, "multipart/signed")) { + /* Split into two parts */ + prm = mime_param_find(hdr, "boundary"); + if(!prm || !prm->param_value) { + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); + ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_MULTIPART_BOUNDARY); + return NULL; + } + ret = multi_split(bio, prm->param_value, &parts); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); + if(!ret || (sk_BIO_num(parts) != 2) ) { + ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_MULTIPART_BODY_FAILURE); + sk_BIO_pop_free(parts, BIO_vfree); + return NULL; + } + + /* Parse the signature piece */ + asnin = sk_BIO_value(parts, 1); + + if (!(headers = mime_parse_hdr(asnin))) { + ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_MIME_SIG_PARSE_ERROR); + sk_BIO |