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path: root/deps/openssl/openssl/crypto/pkcs7/pk7_smime.c
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Diffstat (limited to 'deps/openssl/openssl/crypto/pkcs7/pk7_smime.c')
-rw-r--r--deps/openssl/openssl/crypto/pkcs7/pk7_smime.c263
1 files changed, 175 insertions, 88 deletions
diff --git a/deps/openssl/openssl/crypto/pkcs7/pk7_smime.c b/deps/openssl/openssl/crypto/pkcs7/pk7_smime.c
index fd18ec3d95..86742d0dcd 100644
--- a/deps/openssl/openssl/crypto/pkcs7/pk7_smime.c
+++ b/deps/openssl/openssl/crypto/pkcs7/pk7_smime.c
@@ -63,24 +63,19 @@
#include <openssl/x509.h>
#include <openssl/x509v3.h>
+static int pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
+
PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
BIO *data, int flags)
{
- PKCS7 *p7 = NULL;
- PKCS7_SIGNER_INFO *si;
- BIO *p7bio = NULL;
- STACK_OF(X509_ALGOR) *smcap = NULL;
+ PKCS7 *p7;
int i;
- if(!X509_check_private_key(signcert, pkey)) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
- return NULL;
- }
-
- if(!(p7 = PKCS7_new())) {
+ if(!(p7 = PKCS7_new()))
+ {
PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
return NULL;
- }
+ }
if (!PKCS7_set_type(p7, NID_pkcs7_signed))
goto err;
@@ -88,82 +83,185 @@ PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
if (!PKCS7_content_new(p7, NID_pkcs7_data))
goto err;
- if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha1()))) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
+ if (pkey && !PKCS7_sign_add_signer(p7, signcert, pkey, NULL, flags))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNER_ERROR);
goto err;
- }
+ }
- if(!(flags & PKCS7_NOCERTS)) {
- if (!PKCS7_add_certificate(p7, signcert))
- goto err;
- if(certs) for(i = 0; i < sk_X509_num(certs); i++)
+ if(!(flags & PKCS7_NOCERTS))
+ {
+ for(i = 0; i < sk_X509_num(certs); i++)
+ {
if (!PKCS7_add_certificate(p7, sk_X509_value(certs, i)))
goto err;
- }
+ }
+ }
- if(!(flags & PKCS7_NOATTR)) {
- if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
- V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data)))
- goto err;
- /* Add SMIMECapabilities */
- if(!(flags & PKCS7_NOSMIMECAP))
+ if(flags & PKCS7_DETACHED)
+ PKCS7_set_detached(p7, 1);
+
+ if (flags & (PKCS7_STREAM|PKCS7_PARTIAL))
+ return p7;
+
+ if (PKCS7_final(p7, data, flags))
+ return p7;
+
+ err:
+ PKCS7_free(p7);
+ return NULL;
+}
+
+int PKCS7_final(PKCS7 *p7, BIO *data, int flags)
+ {
+ BIO *p7bio;
+ int ret = 0;
+ if (!(p7bio = PKCS7_dataInit(p7, NULL)))
{
- if(!(smcap = sk_X509_ALGOR_new_null())) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-#ifndef OPENSSL_NO_DES
- if (!PKCS7_simple_smimecap (smcap, NID_des_ede3_cbc, -1))
- goto err;
-#endif
-#ifndef OPENSSL_NO_RC2
- if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 128))
- goto err;
- if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 64))
- goto err;
-#endif
-#ifndef OPENSSL_NO_DES
- if (!PKCS7_simple_smimecap (smcap, NID_des_cbc, -1))
- goto err;
-#endif
-#ifndef OPENSSL_NO_RC2
- if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 40))
- goto err;
-#endif
- if (!PKCS7_add_attrib_smimecap (si, smcap))
- goto err;
- sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
- smcap = NULL;
+ PKCS7err(PKCS7_F_PKCS7_FINAL,ERR_R_MALLOC_FAILURE);
+ return 0;
}
- }
- if(flags & PKCS7_DETACHED)PKCS7_set_detached(p7, 1);
+ SMIME_crlf_copy(data, p7bio, flags);
- if (flags & PKCS7_STREAM)
- return p7;
+ (void)BIO_flush(p7bio);
- if (!(p7bio = PKCS7_dataInit(p7, NULL))) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
+ if (!PKCS7_dataFinal(p7,p7bio))
+ {
+ PKCS7err(PKCS7_F_PKCS7_FINAL,PKCS7_R_PKCS7_DATASIGN);
goto err;
+ }
+
+ ret = 1;
+
+ err:
+ BIO_free_all(p7bio);
+
+ return ret;
+
}
- SMIME_crlf_copy(data, p7bio, flags);
+/* Check to see if a cipher exists and if so add S/MIME capabilities */
+static int add_cipher_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
+ {
+ if (EVP_get_cipherbynid(nid))
+ return PKCS7_simple_smimecap(sk, nid, arg);
+ return 1;
+ }
- if (!PKCS7_dataFinal(p7,p7bio)) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_DATASIGN);
- goto err;
+static int add_digest_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
+ {
+ if (EVP_get_digestbynid(nid))
+ return PKCS7_simple_smimecap(sk, nid, arg);
+ return 1;
}
- BIO_free_all(p7bio);
- return p7;
-err:
- sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
- BIO_free_all(p7bio);
- PKCS7_free(p7);
+PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7, X509 *signcert,
+ EVP_PKEY *pkey, const EVP_MD *md,
+ int flags)
+ {
+ PKCS7_SIGNER_INFO *si = NULL;
+ STACK_OF(X509_ALGOR) *smcap = NULL;
+ if(!X509_check_private_key(signcert, pkey))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
+ return NULL;
+ }
+
+ if (!(si = PKCS7_add_signature(p7,signcert,pkey, md)))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
+ return NULL;
+ }
+
+ if(!(flags & PKCS7_NOCERTS))
+ {
+ if (!PKCS7_add_certificate(p7, signcert))
+ goto err;
+ }
+
+ if(!(flags & PKCS7_NOATTR))
+ {
+ if (!PKCS7_add_attrib_content_type(si, NULL))
+ goto err;
+ /* Add SMIMECapabilities */
+ if(!(flags & PKCS7_NOSMIMECAP))
+ {
+ if(!(smcap = sk_X509_ALGOR_new_null()))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!add_cipher_smcap(smcap, NID_aes_256_cbc, -1)
+ || !add_digest_smcap(smcap, NID_id_GostR3411_94, -1)
+ || !add_cipher_smcap(smcap, NID_id_Gost28147_89, -1)
+ || !add_cipher_smcap(smcap, NID_aes_192_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_aes_128_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_des_ede3_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 128)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 64)
+ || !add_cipher_smcap(smcap, NID_des_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 40)
+ || !PKCS7_add_attrib_smimecap (si, smcap))
+ goto err;
+ sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
+ smcap = NULL;
+ }
+ if (flags & PKCS7_REUSE_DIGEST)
+ {
+ if (!pkcs7_copy_existing_digest(p7, si))
+ goto err;
+ if (!(flags & PKCS7_PARTIAL) &&
+ !PKCS7_SIGNER_INFO_sign(si))
+ goto err;
+ }
+ }
+ return si;
+ err:
+ if (smcap)
+ sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
return NULL;
-}
+ }
+
+/* Search for a digest matching SignerInfo digest type and if found
+ * copy across.
+ */
+
+static int pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
+ {
+ int i;
+ STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
+ PKCS7_SIGNER_INFO *sitmp;
+ ASN1_OCTET_STRING *osdig = NULL;
+ sinfos = PKCS7_get_signer_info(p7);
+ for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
+ {
+ sitmp = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
+ if (si == sitmp)
+ break;
+ if (sk_X509_ATTRIBUTE_num(sitmp->auth_attr) <= 0)
+ continue;
+ if (!OBJ_cmp(si->digest_alg->algorithm,
+ sitmp->digest_alg->algorithm))
+ {
+ osdig = PKCS7_digest_from_attributes(sitmp->auth_attr);
+ break;
+ }
+
+ }
+
+ if (osdig)
+ return PKCS7_add1_attrib_digest(si, osdig->data, osdig->length);
+
+ PKCS7err(PKCS7_F_PKCS7_COPY_EXISTING_DIGEST,
+ PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND);
+ return 0;
+ }
int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
BIO *indata, BIO *out, int flags)
@@ -354,7 +452,7 @@ STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags)
if(sk_PKCS7_SIGNER_INFO_num(sinfos) <= 0) {
PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_NO_SIGNERS);
- return NULL;
+ return 0;
}
if(!(signers = sk_X509_new_null())) {
@@ -377,12 +475,12 @@ STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags)
if (!signer) {
PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND);
sk_X509_free(signers);
- return NULL;
+ return 0;
}
if (!sk_X509_push(signers, signer)) {
- sk_X509_free(signers);
- return NULL;
+ sk_X509_free(signers);
+ return NULL;
}
}
return signers;
@@ -405,7 +503,7 @@ PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
if (!PKCS7_set_type(p7, NID_pkcs7_enveloped))
goto err;
- if(!PKCS7_set_cipher(p7, cipher)) {
+ if (!PKCS7_set_cipher(p7, cipher)) {
PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_ERROR_SETTING_CIPHER);
goto err;
}
@@ -419,22 +517,11 @@ PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
}
}
- if(!(p7bio = PKCS7_dataInit(p7, NULL))) {
- PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- SMIME_crlf_copy(in, p7bio, flags);
-
- (void)BIO_flush(p7bio);
-
- if (!PKCS7_dataFinal(p7,p7bio)) {
- PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_PKCS7_DATAFINAL_ERROR);
- goto err;
- }
- BIO_free_all(p7bio);
+ if (flags & PKCS7_STREAM)
+ return p7;
- return p7;
+ if (PKCS7_final(p7, in, flags))
+ return p7;
err:
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 13:15:25 +0000