diff options
Diffstat (limited to 'openssl/crypto/asn1/asn_mime.c')
| -rw-r--r-- | openssl/crypto/asn1/asn_mime.c | 88 |
1 files changed, 78 insertions, 10 deletions
diff --git a/openssl/crypto/asn1/asn_mime.c b/openssl/crypto/asn1/asn_mime.c index d8d9e76cc..c1d1b1229 100644 --- a/openssl/crypto/asn1/asn_mime.c +++ b/openssl/crypto/asn1/asn_mime.c @@ -59,6 +59,7 @@ #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. @@ -86,6 +87,8 @@ STACK_OF(MIME_PARAM) *params; /* Zero or more parameters */ 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); @@ -107,6 +110,39 @@ 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, @@ -123,13 +159,26 @@ static int B64_write_ASN1(BIO *out, ASN1_VALUE *val, BIO *in, int flags, /* prepend the b64 BIO so all data is base64 encoded. */ out = BIO_push(b64, out); - r = ASN1_item_i2d_bio(it, out, val); + 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; @@ -152,7 +201,8 @@ static ASN1_VALUE *b64_read_asn1(BIO *bio, const ASN1_ITEM *it) static int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) { - int i, have_unknown = 0, write_comma, md_nid; + 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++) @@ -161,6 +211,21 @@ static int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) 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: @@ -183,6 +248,11 @@ static int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) 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; @@ -196,16 +266,18 @@ static int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) } } - return 1; + ret = 1; + err: + + return ret; } /* SMIME sender */ -int int_smime_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, +int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, int ctype_nid, int econt_nid, STACK_OF(X509_ALGOR) *mdalgs, - asn1_output_data_fn *data_fn, const ASN1_ITEM *it) { char bound[33], c; @@ -243,7 +315,7 @@ int int_smime_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, mime_eol, mime_eol); /* Now write out the first part */ BIO_printf(bio, "------%s%s", bound, mime_eol); - if (!data_fn(bio, data, val, flags, it)) + if (!asn1_output_data(bio, data, val, flags, it)) return 0; BIO_printf(bio, "%s------%s%s", mime_eol, bound, mime_eol); @@ -296,8 +368,6 @@ int int_smime_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, return 1; } -#if 0 - /* Handle output of ASN1 data */ @@ -350,8 +420,6 @@ static int asn1_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, } -#endif - /* 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 |