diff options
author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/openssl/crypto/pem | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/openssl/crypto/pem')
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_all.c | 180 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_err.c | 130 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_info.c | 337 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_lib.c | 1002 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_oth.c | 36 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_pk8.c | 214 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_pkey.c | 251 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_sign.c | 50 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_x509.c | 18 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pem_xaux.c | 18 | ||||
-rw-r--r-- | contrib/libs/openssl/crypto/pem/pvkfmt.c | 886 |
11 files changed, 3122 insertions, 0 deletions
diff --git a/contrib/libs/openssl/crypto/pem/pem_all.c b/contrib/libs/openssl/crypto/pem/pem_all.c new file mode 100644 index 0000000000..9d57ee7cc2 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_all.c @@ -0,0 +1,180 @@ +/* + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pkcs7.h> +#include <openssl/pem.h> +#include <openssl/rsa.h> +#include <openssl/dsa.h> +#include <openssl/dh.h> + +#ifndef OPENSSL_NO_RSA +static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); +#endif +#ifndef OPENSSL_NO_DSA +static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); +#endif + +#ifndef OPENSSL_NO_EC +static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey); +#endif + +IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) + +IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) +IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) +IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) + +IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE, + PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE) +#ifndef OPENSSL_NO_RSA +/* + * We treat RSA or DSA private keys as a special case. For private keys we + * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract + * the relevant private key: this means can handle "traditional" and PKCS#8 + * formats transparently. + */ +static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) +{ + RSA *rtmp; + if (!key) + return NULL; + rtmp = EVP_PKEY_get1_RSA(key); + EVP_PKEY_free(key); + if (!rtmp) + return NULL; + if (rsa) { + RSA_free(*rsa); + *rsa = rtmp; + } + return rtmp; +} + +RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, + void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); + return pkey_get_rsa(pktmp, rsa); +} + +# ifndef OPENSSL_NO_STDIO + +RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); + return pkey_get_rsa(pktmp, rsa); +} + +# endif + +IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, + RSAPrivateKey) + + +IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, + RSAPublicKey) +IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) +#endif +#ifndef OPENSSL_NO_DSA +static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) +{ + DSA *dtmp; + if (!key) + return NULL; + dtmp = EVP_PKEY_get1_DSA(key); + EVP_PKEY_free(key); + if (!dtmp) + return NULL; + if (dsa) { + DSA_free(*dsa); + *dsa = dtmp; + } + return dtmp; +} + +DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, + void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); + return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ +} + +IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, + DSAPrivateKey) +IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) +# ifndef OPENSSL_NO_STDIO +DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); + return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ +} + +# endif + +IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) +#endif +#ifndef OPENSSL_NO_EC +static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) +{ + EC_KEY *dtmp; + if (!key) + return NULL; + dtmp = EVP_PKEY_get1_EC_KEY(key); + EVP_PKEY_free(key); + if (!dtmp) + return NULL; + if (eckey) { + EC_KEY_free(*eckey); + *eckey = dtmp; + } + return dtmp; +} + +EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, + void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); + return pkey_get_eckey(pktmp, key); /* will free pktmp */ +} + +IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, + ECPKParameters) + + +IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, + ECPrivateKey) +IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) +# ifndef OPENSSL_NO_STDIO +EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, + void *u) +{ + EVP_PKEY *pktmp; + pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); + return pkey_get_eckey(pktmp, eckey); /* will free pktmp */ +} + +# endif + +#endif + +#ifndef OPENSSL_NO_DH + +IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) +IMPLEMENT_PEM_write_const(DHxparams, DH, PEM_STRING_DHXPARAMS, DHxparams) +#endif +IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) diff --git a/contrib/libs/openssl/crypto/pem/pem_err.c b/contrib/libs/openssl/crypto/pem/pem_err.c new file mode 100644 index 0000000000..0f3cb02407 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_err.c @@ -0,0 +1,130 @@ +/* + * Generated by util/mkerr.pl DO NOT EDIT + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <openssl/err.h> +#include <openssl/pemerr.h> + +#ifndef OPENSSL_NO_ERR + +static const ERR_STRING_DATA PEM_str_functs[] = { + {ERR_PACK(ERR_LIB_PEM, PEM_F_B2I_DSS, 0), "b2i_dss"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_B2I_PVK_BIO, 0), "b2i_PVK_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_B2I_RSA, 0), "b2i_rsa"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_CHECK_BITLEN_DSA, 0), "check_bitlen_dsa"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_CHECK_BITLEN_RSA, 0), "check_bitlen_rsa"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_D2I_PKCS8PRIVATEKEY_BIO, 0), + "d2i_PKCS8PrivateKey_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_D2I_PKCS8PRIVATEKEY_FP, 0), + "d2i_PKCS8PrivateKey_fp"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_B2I, 0), "do_b2i"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_B2I_BIO, 0), "do_b2i_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_BLOB_HEADER, 0), "do_blob_header"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_I2B, 0), "do_i2b"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_PK8PKEY, 0), "do_pk8pkey"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_PK8PKEY_FP, 0), "do_pk8pkey_fp"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_PVK_BODY, 0), "do_PVK_body"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_DO_PVK_HEADER, 0), "do_PVK_header"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_GET_HEADER_AND_DATA, 0), + "get_header_and_data"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_GET_NAME, 0), "get_name"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_I2B_PVK, 0), "i2b_PVK"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_I2B_PVK_BIO, 0), "i2b_PVK_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_LOAD_IV, 0), "load_iv"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_ASN1_READ, 0), "PEM_ASN1_read"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_ASN1_READ_BIO, 0), "PEM_ASN1_read_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_ASN1_WRITE, 0), "PEM_ASN1_write"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_ASN1_WRITE_BIO, 0), "PEM_ASN1_write_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_DEF_CALLBACK, 0), "PEM_def_callback"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_DO_HEADER, 0), "PEM_do_header"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_GET_EVP_CIPHER_INFO, 0), + "PEM_get_EVP_CIPHER_INFO"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ, 0), "PEM_read"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_BIO, 0), "PEM_read_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_BIO_DHPARAMS, 0), + "PEM_read_bio_DHparams"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_BIO_EX, 0), "PEM_read_bio_ex"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_BIO_PARAMETERS, 0), + "PEM_read_bio_Parameters"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_BIO_PRIVATEKEY, 0), + "PEM_read_bio_PrivateKey"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_DHPARAMS, 0), "PEM_read_DHparams"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_READ_PRIVATEKEY, 0), + "PEM_read_PrivateKey"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_SIGNFINAL, 0), "PEM_SignFinal"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_WRITE, 0), "PEM_write"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_WRITE_BIO, 0), "PEM_write_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_WRITE_BIO_PRIVATEKEY_TRADITIONAL, 0), + "PEM_write_bio_PrivateKey_traditional"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_WRITE_PRIVATEKEY, 0), + "PEM_write_PrivateKey"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_X509_INFO_READ, 0), "PEM_X509_INFO_read"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_X509_INFO_READ_BIO, 0), + "PEM_X509_INFO_read_bio"}, + {ERR_PACK(ERR_LIB_PEM, PEM_F_PEM_X509_INFO_WRITE_BIO, 0), + "PEM_X509_INFO_write_bio"}, + {0, NULL} +}; + +static const ERR_STRING_DATA PEM_str_reasons[] = { + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_BASE64_DECODE), "bad base64 decode"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_DECRYPT), "bad decrypt"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_END_LINE), "bad end line"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_IV_CHARS), "bad iv chars"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_MAGIC_NUMBER), "bad magic number"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_PASSWORD_READ), "bad password read"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BAD_VERSION_NUMBER), "bad version number"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_BIO_WRITE_FAILURE), "bio write failure"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_CIPHER_IS_NULL), "cipher is null"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_ERROR_CONVERTING_PRIVATE_KEY), + "error converting private key"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_EXPECTING_PRIVATE_KEY_BLOB), + "expecting private key blob"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_EXPECTING_PUBLIC_KEY_BLOB), + "expecting public key blob"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_HEADER_TOO_LONG), "header too long"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_INCONSISTENT_HEADER), + "inconsistent header"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_KEYBLOB_HEADER_PARSE_ERROR), + "keyblob header parse error"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_KEYBLOB_TOO_SHORT), "keyblob too short"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_MISSING_DEK_IV), "missing dek iv"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_NOT_DEK_INFO), "not dek info"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_NOT_ENCRYPTED), "not encrypted"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_NOT_PROC_TYPE), "not proc type"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_NO_START_LINE), "no start line"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_PROBLEMS_GETTING_PASSWORD), + "problems getting password"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_PVK_DATA_TOO_SHORT), "pvk data too short"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_PVK_TOO_SHORT), "pvk too short"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_READ_KEY), "read key"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_SHORT_HEADER), "short header"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_UNEXPECTED_DEK_IV), "unexpected dek iv"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_UNSUPPORTED_CIPHER), "unsupported cipher"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_UNSUPPORTED_ENCRYPTION), + "unsupported encryption"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_UNSUPPORTED_KEY_COMPONENTS), + "unsupported key components"}, + {ERR_PACK(ERR_LIB_PEM, 0, PEM_R_UNSUPPORTED_PUBLIC_KEY_TYPE), + "unsupported public key type"}, + {0, NULL} +}; + +#endif + +int ERR_load_PEM_strings(void) +{ +#ifndef OPENSSL_NO_ERR + if (ERR_func_error_string(PEM_str_functs[0].error) == NULL) { + ERR_load_strings_const(PEM_str_functs); + ERR_load_strings_const(PEM_str_reasons); + } +#endif + return 1; +} diff --git a/contrib/libs/openssl/crypto/pem/pem_info.c b/contrib/libs/openssl/crypto/pem/pem_info.c new file mode 100644 index 0000000000..f90cb44650 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_info.c @@ -0,0 +1,337 @@ +/* + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.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> +#include <openssl/rsa.h> +#include <openssl/dsa.h> + +#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; +} +#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; + 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; + } + + xi->enc_data = NULL; + xi->enc_len = 0; + + 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->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 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->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; + } + + 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 (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: + 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) +{ + 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 + /* + * Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n" + * fits into buf + */ + || (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13) + > sizeof(buf)) { + 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; + } + + /* 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; + } + + /* Create the right magic header stuff */ + 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 OPENSSL_NO_RSA + /* normal optionally encrypted stuff */ + if (PEM_write_bio_RSAPrivateKey(bp, + EVP_PKEY_get0_RSA(xi->x_pkey->dec_pkey), + 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; + + /* + * 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; + + err: + OPENSSL_cleanse(buf, PEM_BUFSIZE); + return ret; +} diff --git a/contrib/libs/openssl/crypto/pem/pem_lib.c b/contrib/libs/openssl/crypto/pem/pem_lib.c new file mode 100644 index 0000000000..a26322119a --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_lib.c @@ -0,0 +1,1002 @@ +/* + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "crypto/ctype.h" +#include <string.h> +#include "internal/cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/rand.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/pkcs12.h> +#include "crypto/asn1.h" +#include <openssl/des.h> +#include <openssl/engine.h> + +#define MIN_LENGTH 4 + +static int load_iv(char **fromp, unsigned char *to, int num); +static int check_pem(const char *nm, const char *name); +int pem_check_suffix(const char *pem_str, const char *suffix); + +int PEM_def_callback(char *buf, int num, int rwflag, void *userdata) +{ + int i, min_len; + const char *prompt; + + /* We assume that the user passes a default password as userdata */ + if (userdata) { + i = strlen(userdata); + i = (i > num) ? num : i; + memcpy(buf, userdata, i); + return i; + } + + prompt = EVP_get_pw_prompt(); + if (prompt == NULL) + prompt = "Enter PEM pass phrase:"; + + /* + * rwflag == 0 means decryption + * rwflag == 1 means encryption + * + * We assume that for encryption, we want a minimum length, while for + * decryption, we cannot know any minimum length, so we assume zero. + */ + min_len = rwflag ? MIN_LENGTH : 0; + + i = EVP_read_pw_string_min(buf, min_len, num, prompt, rwflag); + if (i != 0) { + PEMerr(PEM_F_PEM_DEF_CALLBACK, PEM_R_PROBLEMS_GETTING_PASSWORD); + memset(buf, 0, (unsigned int)num); + return -1; + } + return strlen(buf); +} + +void PEM_proc_type(char *buf, int type) +{ + const char *str; + char *p = buf + strlen(buf); + + if (type == PEM_TYPE_ENCRYPTED) + str = "ENCRYPTED"; + else if (type == PEM_TYPE_MIC_CLEAR) + str = "MIC-CLEAR"; + else if (type == PEM_TYPE_MIC_ONLY) + str = "MIC-ONLY"; + else + str = "BAD-TYPE"; + + BIO_snprintf(p, PEM_BUFSIZE - (size_t)(p - buf), "Proc-Type: 4,%s\n", str); +} + +void PEM_dek_info(char *buf, const char *type, int len, char *str) +{ + long i; + char *p = buf + strlen(buf); + int j = PEM_BUFSIZE - (size_t)(p - buf), n; + + n = BIO_snprintf(p, j, "DEK-Info: %s,", type); + if (n > 0) { + j -= n; + p += n; + for (i = 0; i < len; i++) { + n = BIO_snprintf(p, j, "%02X", 0xff & str[i]); + if (n <= 0) + return; + j -= n; + p += n; + } + if (j > 1) + strcpy(p, "\n"); + } +} + +#ifndef OPENSSL_NO_STDIO +void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x, + pem_password_cb *cb, void *u) +{ + BIO *b; + void *ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_ASN1_READ, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_ASN1_read_bio(d2i, name, b, x, cb, u); + BIO_free(b); + return ret; +} +#endif + +static int check_pem(const char *nm, const char *name) +{ + /* Normal matching nm and name */ + if (strcmp(nm, name) == 0) + return 1; + + /* Make PEM_STRING_EVP_PKEY match any private key */ + + if (strcmp(name, PEM_STRING_EVP_PKEY) == 0) { + int slen; + const EVP_PKEY_ASN1_METHOD *ameth; + if (strcmp(nm, PEM_STRING_PKCS8) == 0) + return 1; + if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) + return 1; + slen = pem_check_suffix(nm, "PRIVATE KEY"); + if (slen > 0) { + /* + * NB: ENGINE implementations won't contain a deprecated old + * private key decode function so don't look for them. + */ + ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen); + if (ameth && ameth->old_priv_decode) + return 1; + } + return 0; + } + + if (strcmp(name, PEM_STRING_PARAMETERS) == 0) { + int slen; + const EVP_PKEY_ASN1_METHOD *ameth; + slen = pem_check_suffix(nm, "PARAMETERS"); + if (slen > 0) { + ENGINE *e; + ameth = EVP_PKEY_asn1_find_str(&e, nm, slen); + if (ameth) { + int r; + if (ameth->param_decode) + r = 1; + else + r = 0; +#ifndef OPENSSL_NO_ENGINE + ENGINE_finish(e); +#endif + return r; + } + } + return 0; + } + /* If reading DH parameters handle X9.42 DH format too */ + if (strcmp(nm, PEM_STRING_DHXPARAMS) == 0 + && strcmp(name, PEM_STRING_DHPARAMS) == 0) + return 1; + + /* Permit older strings */ + + if (strcmp(nm, PEM_STRING_X509_OLD) == 0 + && strcmp(name, PEM_STRING_X509) == 0) + return 1; + + if (strcmp(nm, PEM_STRING_X509_REQ_OLD) == 0 + && strcmp(name, PEM_STRING_X509_REQ) == 0) + return 1; + + /* Allow normal certs to be read as trusted certs */ + if (strcmp(nm, PEM_STRING_X509) == 0 + && strcmp(name, PEM_STRING_X509_TRUSTED) == 0) + return 1; + + if (strcmp(nm, PEM_STRING_X509_OLD) == 0 + && strcmp(name, PEM_STRING_X509_TRUSTED) == 0) + return 1; + + /* Some CAs use PKCS#7 with CERTIFICATE headers */ + if (strcmp(nm, PEM_STRING_X509) == 0 + && strcmp(name, PEM_STRING_PKCS7) == 0) + return 1; + + if (strcmp(nm, PEM_STRING_PKCS7_SIGNED) == 0 + && strcmp(name, PEM_STRING_PKCS7) == 0) + return 1; + +#ifndef OPENSSL_NO_CMS + if (strcmp(nm, PEM_STRING_X509) == 0 + && strcmp(name, PEM_STRING_CMS) == 0) + return 1; + /* Allow CMS to be read from PKCS#7 headers */ + if (strcmp(nm, PEM_STRING_PKCS7) == 0 + && strcmp(name, PEM_STRING_CMS) == 0) + return 1; +#endif + + return 0; +} + +static void pem_free(void *p, unsigned int flags, size_t num) +{ + if (flags & PEM_FLAG_SECURE) + OPENSSL_secure_clear_free(p, num); + else + OPENSSL_free(p); +} + +static void *pem_malloc(int num, unsigned int flags) +{ + return (flags & PEM_FLAG_SECURE) ? OPENSSL_secure_malloc(num) + : OPENSSL_malloc(num); +} + +static int pem_bytes_read_bio_flags(unsigned char **pdata, long *plen, + char **pnm, const char *name, BIO *bp, + pem_password_cb *cb, void *u, + unsigned int flags) +{ + EVP_CIPHER_INFO cipher; + char *nm = NULL, *header = NULL; + unsigned char *data = NULL; + long len = 0; + int ret = 0; + + do { + pem_free(nm, flags, 0); + pem_free(header, flags, 0); + pem_free(data, flags, len); + if (!PEM_read_bio_ex(bp, &nm, &header, &data, &len, flags)) { + if (ERR_GET_REASON(ERR_peek_error()) == PEM_R_NO_START_LINE) + ERR_add_error_data(2, "Expecting: ", name); + return 0; + } + } while (!check_pem(nm, name)); + if (!PEM_get_EVP_CIPHER_INFO(header, &cipher)) + goto err; + if (!PEM_do_header(&cipher, data, &len, cb, u)) + goto err; + + *pdata = data; + *plen = len; + + if (pnm != NULL) + *pnm = nm; + + ret = 1; + + err: + if (!ret || pnm == NULL) + pem_free(nm, flags, 0); + pem_free(header, flags, 0); + if (!ret) + pem_free(data, flags, len); + return ret; +} + +int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, + const char *name, BIO *bp, pem_password_cb *cb, + void *u) { + return pem_bytes_read_bio_flags(pdata, plen, pnm, name, bp, cb, u, + PEM_FLAG_EAY_COMPATIBLE); +} + +int PEM_bytes_read_bio_secmem(unsigned char **pdata, long *plen, char **pnm, + const char *name, BIO *bp, pem_password_cb *cb, + void *u) { + return pem_bytes_read_bio_flags(pdata, plen, pnm, name, bp, cb, u, + PEM_FLAG_SECURE | PEM_FLAG_EAY_COMPATIBLE); +} + +#ifndef OPENSSL_NO_STDIO +int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp, + void *x, const EVP_CIPHER *enc, unsigned char *kstr, + int klen, pem_password_cb *callback, void *u) +{ + BIO *b; + int ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_ASN1_WRITE, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_ASN1_write_bio(i2d, name, b, x, enc, kstr, klen, callback, u); + BIO_free(b); + return ret; +} +#endif + +int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, + void *x, const EVP_CIPHER *enc, unsigned char *kstr, + int klen, pem_password_cb *callback, void *u) +{ + EVP_CIPHER_CTX *ctx = NULL; + int dsize = 0, i = 0, j = 0, ret = 0; + unsigned char *p, *data = NULL; + const char *objstr = NULL; + char buf[PEM_BUFSIZE]; + unsigned char key[EVP_MAX_KEY_LENGTH]; + unsigned char iv[EVP_MAX_IV_LENGTH]; + + if (enc != NULL) { + objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc)); + if (objstr == NULL || EVP_CIPHER_iv_length(enc) == 0 + || EVP_CIPHER_iv_length(enc) > (int)sizeof(iv) + /* + * Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n" + * fits into buf + */ + || (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13) + > sizeof(buf)) { + PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER); + goto err; + } + } + + if ((dsize = i2d(x, NULL)) <= 0) { + PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_ASN1_LIB); + dsize = 0; + goto err; + } + /* dsize + 8 bytes are needed */ + /* actually it needs the cipher block size extra... */ + data = OPENSSL_malloc((unsigned int)dsize + 20); + if (data == NULL) { + PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + p = data; + i = i2d(x, &p); + + if (enc != NULL) { + if (kstr == NULL) { + if (callback == NULL) + klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u); + else + klen = (*callback) (buf, PEM_BUFSIZE, 1, u); + if (klen <= 0) { + PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_READ_KEY); + goto err; + } +#ifdef CHARSET_EBCDIC + /* Convert the pass phrase from EBCDIC */ + ebcdic2ascii(buf, buf, klen); +#endif + kstr = (unsigned char *)buf; + } + if (RAND_bytes(iv, EVP_CIPHER_iv_length(enc)) <= 0) /* Generate a salt */ + goto err; + /* + * The 'iv' is used as the iv and as a salt. It is NOT taken from + * the BytesToKey function + */ + if (!EVP_BytesToKey(enc, EVP_md5(), iv, kstr, klen, 1, key, NULL)) + goto err; + + if (kstr == (unsigned char *)buf) + OPENSSL_cleanse(buf, PEM_BUFSIZE); + + buf[0] = '\0'; + PEM_proc_type(buf, PEM_TYPE_ENCRYPTED); + PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc), (char *)iv); + /* k=strlen(buf); */ + + ret = 1; + if ((ctx = EVP_CIPHER_CTX_new()) == NULL + || !EVP_EncryptInit_ex(ctx, enc, NULL, key, iv) + || !EVP_EncryptUpdate(ctx, data, &j, data, i) + || !EVP_EncryptFinal_ex(ctx, &(data[j]), &i)) + ret = 0; + if (ret == 0) + goto err; + i += j; + } else { + ret = 1; + buf[0] = '\0'; + } + i = PEM_write_bio(bp, name, buf, data, i); + if (i <= 0) + ret = 0; + err: + OPENSSL_cleanse(key, sizeof(key)); + OPENSSL_cleanse(iv, sizeof(iv)); + EVP_CIPHER_CTX_free(ctx); + OPENSSL_cleanse(buf, PEM_BUFSIZE); + OPENSSL_clear_free(data, (unsigned int)dsize); + return ret; +} + +int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen, + pem_password_cb *callback, void *u) +{ + int ok; + int keylen; + long len = *plen; + int ilen = (int) len; /* EVP_DecryptUpdate etc. take int lengths */ + EVP_CIPHER_CTX *ctx; + unsigned char key[EVP_MAX_KEY_LENGTH]; + char buf[PEM_BUFSIZE]; + +#if LONG_MAX > INT_MAX + /* Check that we did not truncate the length */ + if (len > INT_MAX) { + PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_HEADER_TOO_LONG); + return 0; + } +#endif + + if (cipher->cipher == NULL) + return 1; + if (callback == NULL) + keylen = PEM_def_callback(buf, PEM_BUFSIZE, 0, u); + else + keylen = callback(buf, PEM_BUFSIZE, 0, u); + if (keylen < 0) { + PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_PASSWORD_READ); + return 0; + } +#ifdef CHARSET_EBCDIC + /* Convert the pass phrase from EBCDIC */ + ebcdic2ascii(buf, buf, keylen); +#endif + + if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]), + (unsigned char *)buf, keylen, 1, key, NULL)) + return 0; + + ctx = EVP_CIPHER_CTX_new(); + if (ctx == NULL) + return 0; + + ok = EVP_DecryptInit_ex(ctx, cipher->cipher, NULL, key, &(cipher->iv[0])); + if (ok) + ok = EVP_DecryptUpdate(ctx, data, &ilen, data, ilen); + if (ok) { + /* Squirrel away the length of data decrypted so far. */ + *plen = ilen; + ok = EVP_DecryptFinal_ex(ctx, &(data[ilen]), &ilen); + } + if (ok) + *plen += ilen; + else + PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_DECRYPT); + + EVP_CIPHER_CTX_free(ctx); + OPENSSL_cleanse((char *)buf, sizeof(buf)); + OPENSSL_cleanse((char *)key, sizeof(key)); + return ok; +} + +/* + * This implements a very limited PEM header parser that does not support the + * full grammar of rfc1421. In particular, folded headers are not supported, + * nor is additional whitespace. + * + * A robust implementation would make use of a library that turns the headers + * into a BIO from which one folded line is read at a time, and is then split + * into a header label and content. We would then parse the content of the + * headers we care about. This is overkill for just this limited use-case, but + * presumably we also parse rfc822-style headers for S/MIME, so a common + * abstraction might well be more generally useful. + */ +int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher) +{ + static const char ProcType[] = "Proc-Type:"; + static const char ENCRYPTED[] = "ENCRYPTED"; + static const char DEKInfo[] = "DEK-Info:"; + const EVP_CIPHER *enc = NULL; + int ivlen; + char *dekinfostart, c; + + cipher->cipher = NULL; + memset(cipher->iv, 0, sizeof(cipher->iv)); + if ((header == NULL) || (*header == '\0') || (*header == '\n')) + return 1; + + if (strncmp(header, ProcType, sizeof(ProcType)-1) != 0) { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_PROC_TYPE); + return 0; + } + header += sizeof(ProcType)-1; + header += strspn(header, " \t"); + + if (*header++ != '4' || *header++ != ',') + return 0; + header += strspn(header, " \t"); + + /* We expect "ENCRYPTED" followed by optional white-space + line break */ + if (strncmp(header, ENCRYPTED, sizeof(ENCRYPTED)-1) != 0 || + strspn(header+sizeof(ENCRYPTED)-1, " \t\r\n") == 0) { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_ENCRYPTED); + return 0; + } + header += sizeof(ENCRYPTED)-1; + header += strspn(header, " \t\r"); + if (*header++ != '\n') { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_SHORT_HEADER); + return 0; + } + + /*- + * https://tools.ietf.org/html/rfc1421#section-4.6.1.3 + * We expect "DEK-Info: algo[,hex-parameters]" + */ + if (strncmp(header, DEKInfo, sizeof(DEKInfo)-1) != 0) { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_DEK_INFO); + return 0; + } + header += sizeof(DEKInfo)-1; + header += strspn(header, " \t"); + + /* + * DEK-INFO is a comma-separated combination of algorithm name and optional + * parameters. + */ + dekinfostart = header; + header += strcspn(header, " \t,"); + c = *header; + *header = '\0'; + cipher->cipher = enc = EVP_get_cipherbyname(dekinfostart); + *header = c; + header += strspn(header, " \t"); + + if (enc == NULL) { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_UNSUPPORTED_ENCRYPTION); + return 0; + } + ivlen = EVP_CIPHER_iv_length(enc); + if (ivlen > 0 && *header++ != ',') { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_MISSING_DEK_IV); + return 0; + } else if (ivlen == 0 && *header == ',') { + PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_UNEXPECTED_DEK_IV); + return 0; + } + + if (!load_iv(&header, cipher->iv, EVP_CIPHER_iv_length(enc))) + return 0; + + return 1; +} + +static int load_iv(char **fromp, unsigned char *to, int num) +{ + int v, i; + char *from; + + from = *fromp; + for (i = 0; i < num; i++) + to[i] = 0; + num *= 2; + for (i = 0; i < num; i++) { + v = OPENSSL_hexchar2int(*from); + if (v < 0) { + PEMerr(PEM_F_LOAD_IV, PEM_R_BAD_IV_CHARS); + return 0; + } + from++; + to[i / 2] |= v << (long)((!(i & 1)) * 4); + } + + *fromp = from; + return 1; +} + +#ifndef OPENSSL_NO_STDIO +int PEM_write(FILE *fp, const char *name, const char *header, + const unsigned char *data, long len) +{ + BIO *b; + int ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_WRITE, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_write_bio(b, name, header, data, len); + BIO_free(b); + return ret; +} +#endif + +int PEM_write_bio(BIO *bp, const char *name, const char *header, + const unsigned char *data, long len) +{ + int nlen, n, i, j, outl; + unsigned char *buf = NULL; + EVP_ENCODE_CTX *ctx = EVP_ENCODE_CTX_new(); + int reason = ERR_R_BUF_LIB; + int retval = 0; + + if (ctx == NULL) { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + EVP_EncodeInit(ctx); + nlen = strlen(name); + + if ((BIO_write(bp, "-----BEGIN ", 11) != 11) || + (BIO_write(bp, name, nlen) != nlen) || + (BIO_write(bp, "-----\n", 6) != 6)) + goto err; + + i = strlen(header); + if (i > 0) { + if ((BIO_write(bp, header, i) != i) || (BIO_write(bp, "\n", 1) != 1)) + goto err; + } + + buf = OPENSSL_malloc(PEM_BUFSIZE * 8); + if (buf == NULL) { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + i = j = 0; + while (len > 0) { + n = (int)((len > (PEM_BUFSIZE * 5)) ? (PEM_BUFSIZE * 5) : len); + if (!EVP_EncodeUpdate(ctx, buf, &outl, &(data[j]), n)) + goto err; + if ((outl) && (BIO_write(bp, (char *)buf, outl) != outl)) + goto err; + i += outl; + len -= n; + j += n; + } + EVP_EncodeFinal(ctx, buf, &outl); + if ((outl > 0) && (BIO_write(bp, (char *)buf, outl) != outl)) + goto err; + if ((BIO_write(bp, "-----END ", 9) != 9) || + (BIO_write(bp, name, nlen) != nlen) || + (BIO_write(bp, "-----\n", 6) != 6)) + goto err; + retval = i + outl; + + err: + if (retval == 0) + PEMerr(PEM_F_PEM_WRITE_BIO, reason); + EVP_ENCODE_CTX_free(ctx); + OPENSSL_clear_free(buf, PEM_BUFSIZE * 8); + return retval; +} + +#ifndef OPENSSL_NO_STDIO +int PEM_read(FILE *fp, char **name, char **header, unsigned char **data, + long *len) +{ + BIO *b; + int ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_READ, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_read_bio(b, name, header, data, len); + BIO_free(b); + return ret; +} +#endif + +/* Some helpers for PEM_read_bio_ex(). */ +static int sanitize_line(char *linebuf, int len, unsigned int flags) +{ + int i; + + if (flags & PEM_FLAG_EAY_COMPATIBLE) { + /* Strip trailing whitespace */ + while ((len >= 0) && (linebuf[len] <= ' ')) + len--; + /* Go back to whitespace before applying uniform line ending. */ + len++; + } else if (flags & PEM_FLAG_ONLY_B64) { + for (i = 0; i < len; ++i) { + if (!ossl_isbase64(linebuf[i]) || linebuf[i] == '\n' + || linebuf[i] == '\r') + break; + } + len = i; + } else { + /* EVP_DecodeBlock strips leading and trailing whitespace, so just strip + * control characters in-place and let everything through. */ + for (i = 0; i < len; ++i) { + if (linebuf[i] == '\n' || linebuf[i] == '\r') + break; + if (ossl_iscntrl(linebuf[i])) + linebuf[i] = ' '; + } + len = i; + } + /* The caller allocated LINESIZE+1, so this is safe. */ + linebuf[len++] = '\n'; + linebuf[len] = '\0'; + return len; +} + +#define LINESIZE 255 +/* Note trailing spaces for begin and end. */ +static const char beginstr[] = "-----BEGIN "; +static const char endstr[] = "-----END "; +static const char tailstr[] = "-----\n"; +#define BEGINLEN ((int)(sizeof(beginstr) - 1)) +#define ENDLEN ((int)(sizeof(endstr) - 1)) +#define TAILLEN ((int)(sizeof(tailstr) - 1)) +static int get_name(BIO *bp, char **name, unsigned int flags) +{ + char *linebuf; + int ret = 0; + int len; + + /* + * Need to hold trailing NUL (accounted for by BIO_gets() and the newline + * that will be added by sanitize_line() (the extra '1'). + */ + linebuf = pem_malloc(LINESIZE + 1, flags); + if (linebuf == NULL) { + PEMerr(PEM_F_GET_NAME, ERR_R_MALLOC_FAILURE); + return 0; + } + + do { + len = BIO_gets(bp, linebuf, LINESIZE); + + if (len <= 0) { + PEMerr(PEM_F_GET_NAME, PEM_R_NO_START_LINE); + goto err; + } + + /* Strip trailing garbage and standardize ending. */ + len = sanitize_line(linebuf, len, flags & ~PEM_FLAG_ONLY_B64); + + /* Allow leading empty or non-matching lines. */ + } while (strncmp(linebuf, beginstr, BEGINLEN) != 0 + || len < TAILLEN + || strncmp(linebuf + len - TAILLEN, tailstr, TAILLEN) != 0); + linebuf[len - TAILLEN] = '\0'; + len = len - BEGINLEN - TAILLEN + 1; + *name = pem_malloc(len, flags); + if (*name == NULL) { + PEMerr(PEM_F_GET_NAME, ERR_R_MALLOC_FAILURE); + goto err; + } + memcpy(*name, linebuf + BEGINLEN, len); + ret = 1; + +err: + pem_free(linebuf, flags, LINESIZE + 1); + return ret; +} + +/* Keep track of how much of a header we've seen. */ +enum header_status { + MAYBE_HEADER, + IN_HEADER, + POST_HEADER +}; + +/** + * Extract the optional PEM header, with details on the type of content and + * any encryption used on the contents, and the bulk of the data from the bio. + * The end of the header is marked by a blank line; if the end-of-input marker + * is reached prior to a blank line, there is no header. + * + * The header and data arguments are BIO** since we may have to swap them + * if there is no header, for efficiency. + * + * We need the name of the PEM-encoded type to verify the end string. + */ +static int get_header_and_data(BIO *bp, BIO **header, BIO **data, char *name, + unsigned int flags) +{ + BIO *tmp = *header; + char *linebuf, *p; + int len, line, ret = 0, end = 0, prev_partial_line_read = 0, partial_line_read = 0; + /* 0 if not seen (yet), 1 if reading header, 2 if finished header */ + enum header_status got_header = MAYBE_HEADER; + unsigned int flags_mask; + size_t namelen; + + /* Need to hold trailing NUL (accounted for by BIO_gets() and the newline + * that will be added by sanitize_line() (the extra '1'). */ + linebuf = pem_malloc(LINESIZE + 1, flags); + if (linebuf == NULL) { + PEMerr(PEM_F_GET_HEADER_AND_DATA, ERR_R_MALLOC_FAILURE); + return 0; + } + + for (line = 0; ; line++) { + flags_mask = ~0u; + len = BIO_gets(bp, linebuf, LINESIZE); + if (len <= 0) { + PEMerr(PEM_F_GET_HEADER_AND_DATA, PEM_R_BAD_END_LINE); + goto err; + } + + /* + * Check if line has been read completely or if only part of the line + * has been read. Keep the previous value to ignore newlines that + * appear due to reading a line up until the char before the newline. + */ + prev_partial_line_read = partial_line_read; + partial_line_read = len == LINESIZE-1 && linebuf[LINESIZE-2] != '\n'; + + if (got_header == MAYBE_HEADER) { + if (memchr(linebuf, ':', len) != NULL) + got_header = IN_HEADER; + } + if (!strncmp(linebuf, endstr, ENDLEN) || got_header == IN_HEADER) + flags_mask &= ~PEM_FLAG_ONLY_B64; + len = sanitize_line(linebuf, len, flags & flags_mask); + + /* Check for end of header. */ + if (linebuf[0] == '\n') { + /* + * If previous line has been read only partially this newline is a + * regular newline at the end of a line and not an empty line. + */ + if (!prev_partial_line_read) { + if (got_header == POST_HEADER) { + /* Another blank line is an error. */ + PEMerr(PEM_F_GET_HEADER_AND_DATA, PEM_R_BAD_END_LINE); + goto err; + } + got_header = POST_HEADER; + tmp = *data; + } + continue; + } + + /* Check for end of stream (which means there is no header). */ + if (strncmp(linebuf, endstr, ENDLEN) == 0) { + p = linebuf + ENDLEN; + namelen = strlen(name); + if (strncmp(p, name, namelen) != 0 || + strncmp(p + namelen, tailstr, TAILLEN) != 0) { + PEMerr(PEM_F_GET_HEADER_AND_DATA, PEM_R_BAD_END_LINE); + goto err; + } + if (got_header == MAYBE_HEADER) { + *header = *data; + *data = tmp; + } + break; + } else if (end) { + /* Malformed input; short line not at end of data. */ + PEMerr(PEM_F_GET_HEADER_AND_DATA, PEM_R_BAD_END_LINE); + goto err; + } + /* + * Else, a line of text -- could be header or data; we don't + * know yet. Just pass it through. + */ + if (BIO_puts(tmp, linebuf) < 0) + goto err; + /* + * Only encrypted files need the line length check applied. + */ + if (got_header == POST_HEADER) { + /* 65 includes the trailing newline */ + if (len > 65) + goto err; + if (len < 65) + end = 1; + } + } + + ret = 1; +err: + pem_free(linebuf, flags, LINESIZE + 1); + return ret; +} + +/** + * Read in PEM-formatted data from the given BIO. + * + * By nature of the PEM format, all content must be printable ASCII (except + * for line endings). Other characters are malformed input and will be rejected. + */ +int PEM_read_bio_ex(BIO *bp, char **name_out, char **header, + unsigned char **data, long *len_out, unsigned int flags) +{ + EVP_ENCODE_CTX *ctx = EVP_ENCODE_CTX_new(); + const BIO_METHOD *bmeth; + BIO *headerB = NULL, *dataB = NULL; + char *name = NULL; + int len, taillen, headerlen, ret = 0; + BUF_MEM * buf_mem; + + if (ctx == NULL) { + PEMerr(PEM_F_PEM_READ_BIO_EX, ERR_R_MALLOC_FAILURE); + return 0; + } + + *len_out = 0; + *name_out = *header = NULL; + *data = NULL; + if ((flags & PEM_FLAG_EAY_COMPATIBLE) && (flags & PEM_FLAG_ONLY_B64)) { + /* These two are mutually incompatible; bail out. */ + PEMerr(PEM_F_PEM_READ_BIO_EX, ERR_R_PASSED_INVALID_ARGUMENT); + goto end; + } + bmeth = (flags & PEM_FLAG_SECURE) ? BIO_s_secmem() : BIO_s_mem(); + + headerB = BIO_new(bmeth); + dataB = BIO_new(bmeth); + if (headerB == NULL || dataB == NULL) { + PEMerr(PEM_F_PEM_READ_BIO_EX, ERR_R_MALLOC_FAILURE); + goto end; + } + + if (!get_name(bp, &name, flags)) + goto end; + if (!get_header_and_data(bp, &headerB, &dataB, name, flags)) + goto end; + + EVP_DecodeInit(ctx); + BIO_get_mem_ptr(dataB, &buf_mem); + len = buf_mem->length; + if (EVP_DecodeUpdate(ctx, (unsigned char*)buf_mem->data, &len, + (unsigned char*)buf_mem->data, len) < 0 + || EVP_DecodeFinal(ctx, (unsigned char*)&(buf_mem->data[len]), + &taillen) < 0) { + PEMerr(PEM_F_PEM_READ_BIO_EX, PEM_R_BAD_BASE64_DECODE); + goto end; + } + len += taillen; + buf_mem->length = len; + + /* There was no data in the PEM file; avoid malloc(0). */ + if (len == 0) + goto end; + headerlen = BIO_get_mem_data(headerB, NULL); + *header = pem_malloc(headerlen + 1, flags); + *data = pem_malloc(len, flags); + if (*header == NULL || *data == NULL) { + pem_free(*header, flags, 0); + pem_free(*data, flags, 0); + goto end; + } + BIO_read(headerB, *header, headerlen); + (*header)[headerlen] = '\0'; + BIO_read(dataB, *data, len); + *len_out = len; + *name_out = name; + name = NULL; + ret = 1; + +end: + EVP_ENCODE_CTX_free(ctx); + pem_free(name, flags, 0); + BIO_free(headerB); + BIO_free(dataB); + return ret; +} + +int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data, + long *len) +{ + return PEM_read_bio_ex(bp, name, header, data, len, PEM_FLAG_EAY_COMPATIBLE); +} + +/* + * Check pem string and return prefix length. If for example the pem_str == + * "RSA PRIVATE KEY" and suffix = "PRIVATE KEY" the return value is 3 for the + * string "RSA". + */ + +int pem_check_suffix(const char *pem_str, const char *suffix) +{ + int pem_len = strlen(pem_str); + int suffix_len = strlen(suffix); + const char *p; + if (suffix_len + 1 >= pem_len) + return 0; + p = pem_str + pem_len - suffix_len; + if (strcmp(p, suffix)) + return 0; + p--; + if (*p != ' ') + return 0; + return p - pem_str; +} diff --git a/contrib/libs/openssl/crypto/pem/pem_oth.c b/contrib/libs/openssl/crypto/pem/pem_oth.c new file mode 100644 index 0000000000..566205331f --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_oth.c @@ -0,0 +1,36 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.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> + +/* Handle 'other' PEMs: not private keys */ + +void *PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x, + pem_password_cb *cb, void *u) +{ + const unsigned char *p = NULL; + unsigned char *data = NULL; + long len; + char *ret = NULL; + + if (!PEM_bytes_read_bio(&data, &len, NULL, name, bp, cb, u)) + return NULL; + p = data; + ret = d2i(x, &p, len); + if (ret == NULL) + PEMerr(PEM_F_PEM_ASN1_READ_BIO, ERR_R_ASN1_LIB); + OPENSSL_free(data); + return ret; +} diff --git a/contrib/libs/openssl/crypto/pem/pem_pk8.c b/contrib/libs/openssl/crypto/pem/pem_pk8.c new file mode 100644 index 0000000000..ab6c4c6bde --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_pk8.c @@ -0,0 +1,214 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pkcs12.h> +#include <openssl/pem.h> + +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u); + +#ifndef OPENSSL_NO_STDIO +static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u); +#endif +/* + * These functions write a private key in PKCS#8 format: it is a "drop in" + * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' + * is NULL then it uses the unencrypted private key form. The 'nid' versions + * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. + */ + +int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, + const EVP_CIPHER *enc, char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + X509_SIG *p8; + PKCS8_PRIV_KEY_INFO *p8inf; + char buf[PEM_BUFSIZE]; + int ret; + + if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) { + PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY); + return 0; + } + if (enc || (nid != -1)) { + if (!kstr) { + if (!cb) + klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u); + else + klen = cb(buf, PEM_BUFSIZE, 1, u); + if (klen <= 0) { + PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY); + PKCS8_PRIV_KEY_INFO_free(p8inf); + return 0; + } + + kstr = buf; + } + p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf); + if (kstr == buf) + OPENSSL_cleanse(buf, klen); + PKCS8_PRIV_KEY_INFO_free(p8inf); + if (p8 == NULL) + return 0; + if (isder) + ret = i2d_PKCS8_bio(bp, p8); + else + ret = PEM_write_bio_PKCS8(bp, p8); + X509_SIG_free(p8); + return ret; + } else { + if (isder) + ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); + else + ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); + PKCS8_PRIV_KEY_INFO_free(p8inf); + return ret; + } +} + +EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + PKCS8_PRIV_KEY_INFO *p8inf = NULL; + X509_SIG *p8 = NULL; + int klen; + EVP_PKEY *ret; + char psbuf[PEM_BUFSIZE]; + p8 = d2i_PKCS8_bio(bp, NULL); + if (!p8) + return NULL; + if (cb) + klen = cb(psbuf, PEM_BUFSIZE, 0, u); + else + klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); + if (klen < 0) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); + X509_SIG_free(p8); + return NULL; + } + p8inf = PKCS8_decrypt(p8, psbuf, klen); + X509_SIG_free(p8); + OPENSSL_cleanse(psbuf, klen); + if (!p8inf) + return NULL; + ret = EVP_PKCS82PKEY(p8inf); + PKCS8_PRIV_KEY_INFO_free(p8inf); + if (!ret) + return NULL; + if (x) { + EVP_PKEY_free(*x); + *x = ret; + } + return ret; +} + +#ifndef OPENSSL_NO_STDIO + +int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, + void *u) +{ + return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); +} + +static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, + const EVP_CIPHER *enc, char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + BIO *bp; + int ret; + + if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { + PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB); + return 0; + } + ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); + BIO_free(bp); + return ret; +} + +EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + BIO *bp; + EVP_PKEY *ret; + + if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB); + return NULL; + } + ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); + BIO_free(bp); + return ret; +} + +#endif + +IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) + + +IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, + PKCS8_PRIV_KEY_INFO) diff --git a/contrib/libs/openssl/crypto/pem/pem_pkey.c b/contrib/libs/openssl/crypto/pem/pem_pkey.c new file mode 100644 index 0000000000..4a94927244 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_pkey.c @@ -0,0 +1,251 @@ +/* + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pkcs12.h> +#include <openssl/pem.h> +#include <openssl/engine.h> +#include <openssl/dh.h> +#include "crypto/asn1.h" +#include "crypto/evp.h" + +int pem_check_suffix(const char *pem_str, const char *suffix); + +EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + char *nm = NULL; + const unsigned char *p = NULL; + unsigned char *data = NULL; + long len; + int slen; + EVP_PKEY *ret = NULL; + + if (!PEM_bytes_read_bio_secmem(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, + cb, u)) + return NULL; + p = data; + + if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) { + PKCS8_PRIV_KEY_INFO *p8inf; + p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); + if (!p8inf) + goto p8err; + ret = EVP_PKCS82PKEY(p8inf); + if (x) { + EVP_PKEY_free((EVP_PKEY *)*x); + *x = ret; + } + PKCS8_PRIV_KEY_INFO_free(p8inf); + } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) { + PKCS8_PRIV_KEY_INFO *p8inf; + X509_SIG *p8; + int klen; + char psbuf[PEM_BUFSIZE]; + p8 = d2i_X509_SIG(NULL, &p, len); + if (!p8) + goto p8err; + if (cb) + klen = cb(psbuf, PEM_BUFSIZE, 0, u); + else + klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); + if (klen < 0) { + PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ); + X509_SIG_free(p8); + goto err; + } + p8inf = PKCS8_decrypt(p8, psbuf, klen); + X509_SIG_free(p8); + OPENSSL_cleanse(psbuf, klen); + if (!p8inf) + goto p8err; + ret = EVP_PKCS82PKEY(p8inf); + if (x) { + EVP_PKEY_free((EVP_PKEY *)*x); + *x = ret; + } + PKCS8_PRIV_KEY_INFO_free(p8inf); + } else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) { + const EVP_PKEY_ASN1_METHOD *ameth; + ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen); + if (!ameth || !ameth->old_priv_decode) + goto p8err; + ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len); + } + p8err: + if (ret == NULL) + PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB); + err: + OPENSSL_secure_free(nm); + OPENSSL_secure_clear_free(data, len); + return ret; +} + +int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + unsigned char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + if (x->ameth == NULL || x->ameth->priv_encode != NULL) + return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, + (char *)kstr, klen, cb, u); + return PEM_write_bio_PrivateKey_traditional(bp, x, enc, kstr, klen, cb, u); +} + +int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x, + const EVP_CIPHER *enc, + unsigned char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + char pem_str[80]; + + if (x->ameth == NULL || x->ameth->old_priv_encode == NULL) { + PEMerr(PEM_F_PEM_WRITE_BIO_PRIVATEKEY_TRADITIONAL, + PEM_R_UNSUPPORTED_PUBLIC_KEY_TYPE); + return 0; + } + BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str); + return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, + pem_str, bp, x, enc, kstr, klen, cb, u); +} + +EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x) +{ + char *nm = NULL; + const unsigned char *p = NULL; + unsigned char *data = NULL; + long len; + int slen; + EVP_PKEY *ret = NULL; + + if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS, + bp, 0, NULL)) + return NULL; + p = data; + + if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) { + ret = EVP_PKEY_new(); + if (ret == NULL) + goto err; + if (!EVP_PKEY_set_type_str(ret, nm, slen) + || !ret->ameth->param_decode + || !ret->ameth->param_decode(ret, &p, len)) { + EVP_PKEY_free(ret); + ret = NULL; + goto err; + } + if (x) { + EVP_PKEY_free((EVP_PKEY *)*x); + *x = ret; + } + } + err: + if (ret == NULL) + PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS, ERR_R_ASN1_LIB); + OPENSSL_free(nm); + OPENSSL_free(data); + return ret; +} + +int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x) +{ + char pem_str[80]; + if (!x->ameth || !x->ameth->param_encode) + return 0; + + BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str); + return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode, + pem_str, bp, x, NULL, NULL, 0, 0, NULL); +} + +#ifndef OPENSSL_NO_STDIO +EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + BIO *b; + EVP_PKEY *ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_READ_PRIVATEKEY, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_read_bio_PrivateKey(b, x, cb, u); + BIO_free(b); + return ret; +} + +int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + unsigned char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + BIO *b; + int ret; + + if ((b = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { + PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY, ERR_R_BUF_LIB); + return 0; + } + ret = PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u); + BIO_free(b); + return ret; +} + +#endif + +#ifndef OPENSSL_NO_DH + +/* Transparently read in PKCS#3 or X9.42 DH parameters */ + +DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u) +{ + char *nm = NULL; + const unsigned char *p = NULL; + unsigned char *data = NULL; + long len; + DH *ret = NULL; + + if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS, bp, cb, u)) + return NULL; + p = data; + + if (strcmp(nm, PEM_STRING_DHXPARAMS) == 0) + ret = d2i_DHxparams(x, &p, len); + else + ret = d2i_DHparams(x, &p, len); + + if (ret == NULL) + PEMerr(PEM_F_PEM_READ_BIO_DHPARAMS, ERR_R_ASN1_LIB); + OPENSSL_free(nm); + OPENSSL_free(data); + return ret; +} + +# ifndef OPENSSL_NO_STDIO +DH *PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u) +{ + BIO *b; + DH *ret; + + if ((b = BIO_new(BIO_s_file())) == NULL) { + PEMerr(PEM_F_PEM_READ_DHPARAMS, ERR_R_BUF_LIB); + return 0; + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = PEM_read_bio_DHparams(b, x, cb, u); + BIO_free(b); + return ret; +} +# endif + +#endif diff --git a/contrib/libs/openssl/crypto/pem/pem_sign.c b/contrib/libs/openssl/crypto/pem/pem_sign.c new file mode 100644 index 0000000000..7e7b32ebf7 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_sign.c @@ -0,0 +1,50 @@ +/* + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/evp.h> +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/pem.h> + +int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type) +{ + return EVP_DigestInit_ex(ctx, type, NULL); +} + +int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count) +{ + return EVP_DigestUpdate(ctx, data, count); +} + +int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, + unsigned int *siglen, EVP_PKEY *pkey) +{ + unsigned char *m; + int i, ret = 0; + unsigned int m_len; + + m = OPENSSL_malloc(EVP_PKEY_size(pkey)); + if (m == NULL) { + PEMerr(PEM_F_PEM_SIGNFINAL, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (EVP_SignFinal(ctx, m, &m_len, pkey) <= 0) + goto err; + + i = EVP_EncodeBlock(sigret, m, m_len); + *siglen = i; + ret = 1; + err: + /* ctx has been zeroed by EVP_SignFinal() */ + OPENSSL_free(m); + return ret; +} diff --git a/contrib/libs/openssl/crypto/pem/pem_x509.c b/contrib/libs/openssl/crypto/pem/pem_x509.c new file mode 100644 index 0000000000..3a997564a2 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_x509.c @@ -0,0 +1,18 @@ +/* + * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pkcs7.h> +#include <openssl/pem.h> + +IMPLEMENT_PEM_rw(X509, X509, PEM_STRING_X509, X509) diff --git a/contrib/libs/openssl/crypto/pem/pem_xaux.c b/contrib/libs/openssl/crypto/pem/pem_xaux.c new file mode 100644 index 0000000000..6d7e1db21a --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pem_xaux.c @@ -0,0 +1,18 @@ +/* + * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pkcs7.h> +#include <openssl/pem.h> + +IMPLEMENT_PEM_rw(X509_AUX, X509, PEM_STRING_X509_TRUSTED, X509_AUX) diff --git a/contrib/libs/openssl/crypto/pem/pvkfmt.c b/contrib/libs/openssl/crypto/pem/pvkfmt.c new file mode 100644 index 0000000000..a933b7c181 --- /dev/null +++ b/contrib/libs/openssl/crypto/pem/pvkfmt.c @@ -0,0 +1,886 @@ +/* + * Copyright 2005-2020 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* + * Support for PVK format keys and related structures (such a PUBLICKEYBLOB + * and PRIVATEKEYBLOB). + */ + +#include "internal/cryptlib.h" +#include <openssl/pem.h> +#include <openssl/rand.h> +#include <openssl/bn.h> +#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) +# include <openssl/dsa.h> +# include <openssl/rsa.h> + +/* + * Utility function: read a DWORD (4 byte unsigned integer) in little endian + * format + */ + +static unsigned int read_ledword(const unsigned char **in) +{ + const unsigned char *p = *in; + unsigned int ret; + ret = (unsigned int)*p++; + ret |= (unsigned int)*p++ << 8; + ret |= (unsigned int)*p++ << 16; + ret |= (unsigned int)*p++ << 24; + *in = p; + return ret; +} + +/* + * Read a BIGNUM in little endian format. The docs say that this should take + * up bitlen/8 bytes. + */ + +static int read_lebn(const unsigned char **in, unsigned int nbyte, BIGNUM **r) +{ + *r = BN_lebin2bn(*in, nbyte, NULL); + if (*r == NULL) + return 0; + *in += nbyte; + return 1; +} + +/* Convert private key blob to EVP_PKEY: RSA and DSA keys supported */ + +# define MS_PUBLICKEYBLOB 0x6 +# define MS_PRIVATEKEYBLOB 0x7 +# define MS_RSA1MAGIC 0x31415352L +# define MS_RSA2MAGIC 0x32415352L +# define MS_DSS1MAGIC 0x31535344L +# define MS_DSS2MAGIC 0x32535344L + +# define MS_KEYALG_RSA_KEYX 0xa400 +# define MS_KEYALG_DSS_SIGN 0x2200 + +# define MS_KEYTYPE_KEYX 0x1 +# define MS_KEYTYPE_SIGN 0x2 + +/* Maximum length of a blob after header */ +# define BLOB_MAX_LENGTH 102400 + +/* The PVK file magic number: seems to spell out "bobsfile", who is Bob? */ +# define MS_PVKMAGIC 0xb0b5f11eL +/* Salt length for PVK files */ +# define PVK_SALTLEN 0x10 +/* Maximum length in PVK header */ +# define PVK_MAX_KEYLEN 102400 +/* Maximum salt length */ +# define PVK_MAX_SALTLEN 10240 + +static EVP_PKEY *b2i_rsa(const unsigned char **in, + unsigned int bitlen, int ispub); +static EVP_PKEY *b2i_dss(const unsigned char **in, + unsigned int bitlen, int ispub); + +static int do_blob_header(const unsigned char **in, unsigned int length, + unsigned int *pmagic, unsigned int *pbitlen, + int *pisdss, int *pispub) +{ + const unsigned char *p = *in; + if (length < 16) + return 0; + /* bType */ + if (*p == MS_PUBLICKEYBLOB) { + if (*pispub == 0) { + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB); + return 0; + } + *pispub = 1; + } else if (*p == MS_PRIVATEKEYBLOB) { + if (*pispub == 1) { + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB); + return 0; + } + *pispub = 0; + } else + return 0; + p++; + /* Version */ + if (*p++ != 0x2) { + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_VERSION_NUMBER); + return 0; + } + /* Ignore reserved, aiKeyAlg */ + p += 6; + *pmagic = read_ledword(&p); + *pbitlen = read_ledword(&p); + *pisdss = 0; + switch (*pmagic) { + + case MS_DSS1MAGIC: + *pisdss = 1; + /* fall thru */ + case MS_RSA1MAGIC: + if (*pispub == 0) { + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB); + return 0; + } + break; + + case MS_DSS2MAGIC: + *pisdss = 1; + /* fall thru */ + case MS_RSA2MAGIC: + if (*pispub == 1) { + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB); + return 0; + } + break; + + default: + PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_MAGIC_NUMBER); + return -1; + } + *in = p; + return 1; +} + +static unsigned int blob_length(unsigned bitlen, int isdss, int ispub) +{ + unsigned int nbyte, hnbyte; + nbyte = (bitlen + 7) >> 3; + hnbyte = (bitlen + 15) >> 4; + if (isdss) { + + /* + * Expected length: 20 for q + 3 components bitlen each + 24 for seed + * structure. + */ + if (ispub) + return 44 + 3 * nbyte; + /* + * Expected length: 20 for q, priv, 2 bitlen components + 24 for seed + * structure. + */ + else + return 64 + 2 * nbyte; + } else { + /* Expected length: 4 for 'e' + 'n' */ + if (ispub) + return 4 + nbyte; + else + /* + * Expected length: 4 for 'e' and 7 other components. 2 + * components are bitlen size, 5 are bitlen/2 + */ + return 4 + 2 * nbyte + 5 * hnbyte; + } + +} + +static EVP_PKEY *do_b2i(const unsigned char **in, unsigned int length, + int ispub) +{ + const unsigned char *p = *in; + unsigned int bitlen, magic; + int isdss; + if (do_blob_header(&p, length, &magic, &bitlen, &isdss, &ispub) <= 0) { + PEMerr(PEM_F_DO_B2I, PEM_R_KEYBLOB_HEADER_PARSE_ERROR); + return NULL; + } + length -= 16; + if (length < blob_length(bitlen, isdss, ispub)) { + PEMerr(PEM_F_DO_B2I, PEM_R_KEYBLOB_TOO_SHORT); + return NULL; + } + if (isdss) + return b2i_dss(&p, bitlen, ispub); + else + return b2i_rsa(&p, bitlen, ispub); +} + +static EVP_PKEY *do_b2i_bio(BIO *in, int ispub) +{ + const unsigned char *p; + unsigned char hdr_buf[16], *buf = NULL; + unsigned int bitlen, magic, length; + int isdss; + EVP_PKEY *ret = NULL; + if (BIO_read(in, hdr_buf, 16) != 16) { + PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT); + return NULL; + } + p = hdr_buf; + if (do_blob_header(&p, 16, &magic, &bitlen, &isdss, &ispub) <= 0) + return NULL; + + length = blob_length(bitlen, isdss, ispub); + if (length > BLOB_MAX_LENGTH) { + PEMerr(PEM_F_DO_B2I_BIO, PEM_R_HEADER_TOO_LONG); + return NULL; + } + buf = OPENSSL_malloc(length); + if (buf == NULL) { + PEMerr(PEM_F_DO_B2I_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + p = buf; + if (BIO_read(in, buf, length) != (int)length) { + PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT); + goto err; + } + + if (isdss) + ret = b2i_dss(&p, bitlen, ispub); + else + ret = b2i_rsa(&p, bitlen, ispub); + + err: + OPENSSL_free(buf); + return ret; +} + +static EVP_PKEY *b2i_dss(const unsigned char **in, + unsigned int bitlen, int ispub) +{ + const unsigned char *p = *in; + EVP_PKEY *ret = NULL; + DSA *dsa = NULL; + BN_CTX *ctx = NULL; + unsigned int nbyte; + BIGNUM *pbn = NULL, *qbn = NULL, *gbn = NULL, *priv_key = NULL; + BIGNUM *pub_key = NULL; + + nbyte = (bitlen + 7) >> 3; + + dsa = DSA_new(); + ret = EVP_PKEY_new(); + if (dsa == NULL || ret == NULL) + goto memerr; + if (!read_lebn(&p, nbyte, &pbn)) + goto memerr; + + if (!read_lebn(&p, 20, &qbn)) + goto memerr; + + if (!read_lebn(&p, nbyte, &gbn)) + goto memerr; + + if (ispub) { + if (!read_lebn(&p, nbyte, &pub_key)) + goto memerr; + } else { + if (!read_lebn(&p, 20, &priv_key)) + goto memerr; + + /* Set constant time flag before public key calculation */ + BN_set_flags(priv_key, BN_FLG_CONSTTIME); + + /* Calculate public key */ + pub_key = BN_new(); + if (pub_key == NULL) + goto memerr; + if ((ctx = BN_CTX_new()) == NULL) + goto memerr; + + if (!BN_mod_exp(pub_key, gbn, priv_key, pbn, ctx)) + goto memerr; + + BN_CTX_free(ctx); + ctx = NULL; + } + if (!DSA_set0_pqg(dsa, pbn, qbn, gbn)) + goto memerr; + pbn = qbn = gbn = NULL; + if (!DSA_set0_key(dsa, pub_key, priv_key)) + goto memerr; + pub_key = priv_key = NULL; + + if (!EVP_PKEY_set1_DSA(ret, dsa)) + goto memerr; + DSA_free(dsa); + *in = p; + return ret; + + memerr: + PEMerr(PEM_F_B2I_DSS, ERR_R_MALLOC_FAILURE); + DSA_free(dsa); + BN_free(pbn); + BN_free(qbn); + BN_free(gbn); + BN_free(pub_key); + BN_free(priv_key); + EVP_PKEY_free(ret); + BN_CTX_free(ctx); + return NULL; +} + +static EVP_PKEY *b2i_rsa(const unsigned char **in, + unsigned int bitlen, int ispub) +{ + const unsigned char *pin = *in; + EVP_PKEY *ret = NULL; + BIGNUM *e = NULL, *n = NULL, *d = NULL; + BIGNUM *p = NULL, *q = NULL, *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL; + RSA *rsa = NULL; + unsigned int nbyte, hnbyte; + nbyte = (bitlen + 7) >> 3; + hnbyte = (bitlen + 15) >> 4; + rsa = RSA_new(); + ret = EVP_PKEY_new(); + if (rsa == NULL || ret == NULL) + goto memerr; + e = BN_new(); + if (e == NULL) + goto memerr; + if (!BN_set_word(e, read_ledword(&pin))) + goto memerr; + if (!read_lebn(&pin, nbyte, &n)) + goto memerr; + if (!ispub) { + if (!read_lebn(&pin, hnbyte, &p)) + goto memerr; + if (!read_lebn(&pin, hnbyte, &q)) + goto memerr; + if (!read_lebn(&pin, hnbyte, &dmp1)) + goto memerr; + if (!read_lebn(&pin, hnbyte, &dmq1)) + goto memerr; + if (!read_lebn(&pin, hnbyte, &iqmp)) + goto memerr; + if (!read_lebn(&pin, nbyte, &d)) + goto memerr; + if (!RSA_set0_factors(rsa, p, q)) + goto memerr; + p = q = NULL; + if (!RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp)) + goto memerr; + dmp1 = dmq1 = iqmp = NULL; + } + if (!RSA_set0_key(rsa, n, e, d)) + goto memerr; + n = e = d = NULL; + + if (!EVP_PKEY_set1_RSA(ret, rsa)) + goto memerr; + RSA_free(rsa); + *in = pin; + return ret; + memerr: + PEMerr(PEM_F_B2I_RSA, ERR_R_MALLOC_FAILURE); + BN_free(e); + BN_free(n); + BN_free(p); + BN_free(q); + BN_free(dmp1); + BN_free(dmq1); + BN_free(iqmp); + BN_free(d); + RSA_free(rsa); + EVP_PKEY_free(ret); + return NULL; +} + +EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length) +{ + return do_b2i(in, length, 0); +} + +EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length) +{ + return do_b2i(in, length, 1); +} + +EVP_PKEY *b2i_PrivateKey_bio(BIO *in) +{ + return do_b2i_bio(in, 0); +} + +EVP_PKEY *b2i_PublicKey_bio(BIO *in) +{ + return do_b2i_bio(in, 1); +} + +static void write_ledword(unsigned char **out, unsigned int dw) +{ + unsigned char *p = *out; + *p++ = dw & 0xff; + *p++ = (dw >> 8) & 0xff; + *p++ = (dw >> 16) & 0xff; + *p++ = (dw >> 24) & 0xff; + *out = p; +} + +static void write_lebn(unsigned char **out, const BIGNUM *bn, int len) +{ + BN_bn2lebinpad(bn, *out, len); + *out += len; +} + +static int check_bitlen_rsa(RSA *rsa, int ispub, unsigned int *magic); +static int check_bitlen_dsa(DSA *dsa, int ispub, unsigned int *magic); + +static void write_rsa(unsigned char **out, RSA *rsa, int ispub); +static void write_dsa(unsigned char **out, DSA *dsa, int ispub); + +static int do_i2b(unsigned char **out, EVP_PKEY *pk, int ispub) +{ + unsigned char *p; + unsigned int bitlen, magic = 0, keyalg; + int outlen, noinc = 0; + int pktype = EVP_PKEY_id(pk); + if (pktype == EVP_PKEY_DSA) { + bitlen = check_bitlen_dsa(EVP_PKEY_get0_DSA(pk), ispub, &magic); + keyalg = MS_KEYALG_DSS_SIGN; + } else if (pktype == EVP_PKEY_RSA) { + bitlen = check_bitlen_rsa(EVP_PKEY_get0_RSA(pk), ispub, &magic); + keyalg = MS_KEYALG_RSA_KEYX; + } else + return -1; + if (bitlen == 0) + return -1; + outlen = 16 + blob_length(bitlen, + keyalg == MS_KEYALG_DSS_SIGN ? 1 : 0, ispub); + if (out == NULL) + return outlen; + if (*out) + p = *out; + else { + if ((p = OPENSSL_malloc(outlen)) == NULL) { + PEMerr(PEM_F_DO_I2B, ERR_R_MALLOC_FAILURE); + return -1; + } + *out = p; + noinc = 1; + } + if (ispub) + *p++ = MS_PUBLICKEYBLOB; + else + *p++ = MS_PRIVATEKEYBLOB; + *p++ = 0x2; + *p++ = 0; + *p++ = 0; + write_ledword(&p, keyalg); + write_ledword(&p, magic); + write_ledword(&p, bitlen); + if (keyalg == MS_KEYALG_DSS_SIGN) + write_dsa(&p, EVP_PKEY_get0_DSA(pk), ispub); + else + write_rsa(&p, EVP_PKEY_get0_RSA(pk), ispub); + if (!noinc) + *out += outlen; + return outlen; +} + +static int do_i2b_bio(BIO *out, EVP_PKEY *pk, int ispub) +{ + unsigned char *tmp = NULL; + int outlen, wrlen; + outlen = do_i2b(&tmp, pk, ispub); + if (outlen < 0) + return -1; + wrlen = BIO_write(out, tmp, outlen); + OPENSSL_free(tmp); + if (wrlen == outlen) + return outlen; + return -1; +} + +static int check_bitlen_dsa(DSA *dsa, int ispub, unsigned int *pmagic) +{ + int bitlen; + const BIGNUM *p = NULL, *q = NULL, *g = NULL; + const BIGNUM *pub_key = NULL, *priv_key = NULL; + + DSA_get0_pqg(dsa, &p, &q, &g); + DSA_get0_key(dsa, &pub_key, &priv_key); + bitlen = BN_num_bits(p); + if ((bitlen & 7) || (BN_num_bits(q) != 160) + || (BN_num_bits(g) > bitlen)) + goto badkey; + if (ispub) { + if (BN_num_bits(pub_key) > bitlen) + goto badkey; + *pmagic = MS_DSS1MAGIC; + } else { + if (BN_num_bits(priv_key) > 160) + goto badkey; + *pmagic = MS_DSS2MAGIC; + } + + return bitlen; + badkey: + PEMerr(PEM_F_CHECK_BITLEN_DSA, PEM_R_UNSUPPORTED_KEY_COMPONENTS); + return 0; +} + +static int check_bitlen_rsa(RSA *rsa, int ispub, unsigned int *pmagic) +{ + int nbyte, hnbyte, bitlen; + const BIGNUM *e; + + RSA_get0_key(rsa, NULL, &e, NULL); + if (BN_num_bits(e) > 32) + goto badkey; + bitlen = RSA_bits(rsa); + nbyte = RSA_size(rsa); + hnbyte = (bitlen + 15) >> 4; + if (ispub) { + *pmagic = MS_RSA1MAGIC; + return bitlen; + } else { + const BIGNUM *d, *p, *q, *iqmp, *dmp1, *dmq1; + + *pmagic = MS_RSA2MAGIC; + + /* + * For private key each component must fit within nbyte or hnbyte. + */ + RSA_get0_key(rsa, NULL, NULL, &d); + if (BN_num_bytes(d) > nbyte) + goto badkey; + RSA_get0_factors(rsa, &p, &q); + RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp); + if ((BN_num_bytes(iqmp) > hnbyte) + || (BN_num_bytes(p) > hnbyte) + || (BN_num_bytes(q) > hnbyte) + || (BN_num_bytes(dmp1) > hnbyte) + || (BN_num_bytes(dmq1) > hnbyte)) + goto badkey; + } + return bitlen; + badkey: + PEMerr(PEM_F_CHECK_BITLEN_RSA, PEM_R_UNSUPPORTED_KEY_COMPONENTS); + return 0; +} + +static void write_rsa(unsigned char **out, RSA *rsa, int ispub) +{ + int nbyte, hnbyte; + const BIGNUM *n, *d, *e, *p, *q, *iqmp, *dmp1, *dmq1; + + nbyte = RSA_size(rsa); + hnbyte = (RSA_bits(rsa) + 15) >> 4; + RSA_get0_key(rsa, &n, &e, &d); + write_lebn(out, e, 4); + write_lebn(out, n, nbyte); + if (ispub) + return; + RSA_get0_factors(rsa, &p, &q); + RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp); + write_lebn(out, p, hnbyte); + write_lebn(out, q, hnbyte); + write_lebn(out, dmp1, hnbyte); + write_lebn(out, dmq1, hnbyte); + write_lebn(out, iqmp, hnbyte); + write_lebn(out, d, nbyte); +} + +static void write_dsa(unsigned char **out, DSA *dsa, int ispub) +{ + int nbyte; + const BIGNUM *p = NULL, *q = NULL, *g = NULL; + const BIGNUM *pub_key = NULL, *priv_key = NULL; + + DSA_get0_pqg(dsa, &p, &q, &g); + DSA_get0_key(dsa, &pub_key, &priv_key); + nbyte = BN_num_bytes(p); + write_lebn(out, p, nbyte); + write_lebn(out, q, 20); + write_lebn(out, g, nbyte); + if (ispub) + write_lebn(out, pub_key, nbyte); + else + write_lebn(out, priv_key, 20); + /* Set "invalid" for seed structure values */ + memset(*out, 0xff, 24); + *out += 24; + return; +} + +int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk) +{ + return do_i2b_bio(out, pk, 0); +} + +int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk) +{ + return do_i2b_bio(out, pk, 1); +} + +# ifndef OPENSSL_NO_RC4 + +static int do_PVK_header(const unsigned char **in, unsigned int length, + int skip_magic, + unsigned int *psaltlen, unsigned int *pkeylen) +{ + const unsigned char *p = *in; + unsigned int pvk_magic, is_encrypted; + if (skip_magic) { + if (length < 20) { + PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_PVK_TOO_SHORT); + return 0; + } + } else { + if (length < 24) { + PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_PVK_TOO_SHORT); + return 0; + } + pvk_magic = read_ledword(&p); + if (pvk_magic != MS_PVKMAGIC) { + PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_BAD_MAGIC_NUMBER); + return 0; + } + } + /* Skip reserved */ + p += 4; + /* + * keytype = + */ read_ledword(&p); + is_encrypted = read_ledword(&p); + *psaltlen = read_ledword(&p); + *pkeylen = read_ledword(&p); + + if (*pkeylen > PVK_MAX_KEYLEN || *psaltlen > PVK_MAX_SALTLEN) + return 0; + + if (is_encrypted && !*psaltlen) { + PEMerr(PEM_F_DO_PVK_HEADER, PEM_R_INCONSISTENT_HEADER); + return 0; + } + + *in = p; + return 1; +} + +static int derive_pvk_key(unsigned char *key, + const unsigned char *salt, unsigned int saltlen, + const unsigned char *pass, int passlen) +{ + EVP_MD_CTX *mctx = EVP_MD_CTX_new(); + int rv = 1; + if (mctx == NULL + || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL) + || !EVP_DigestUpdate(mctx, salt, saltlen) + || !EVP_DigestUpdate(mctx, pass, passlen) + || !EVP_DigestFinal_ex(mctx, key, NULL)) + rv = 0; + + EVP_MD_CTX_free(mctx); + return rv; +} + +static EVP_PKEY *do_PVK_body(const unsigned char **in, + unsigned int saltlen, unsigned int keylen, + pem_password_cb *cb, void *u) +{ + EVP_PKEY *ret = NULL; + const unsigned char *p = *in; + unsigned int magic; + unsigned char *enctmp = NULL, *q; + unsigned char keybuf[20]; + + EVP_CIPHER_CTX *cctx = EVP_CIPHER_CTX_new(); + if (saltlen) { + char psbuf[PEM_BUFSIZE]; + int enctmplen, inlen; + if (cb) + inlen = cb(psbuf, PEM_BUFSIZE, 0, u); + else + inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); + if (inlen < 0) { + PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_PASSWORD_READ); + goto err; + } + enctmp = OPENSSL_malloc(keylen + 8); + if (enctmp == NULL) { + PEMerr(PEM_F_DO_PVK_BODY, ERR_R_MALLOC_FAILURE); + goto err; + } + if (!derive_pvk_key(keybuf, p, saltlen, + (unsigned char *)psbuf, inlen)) + goto err; + p += saltlen; + /* Copy BLOBHEADER across, decrypt rest */ + memcpy(enctmp, p, 8); + p += 8; + if (keylen < 8) { + PEMerr(PEM_F_DO_PVK_BODY, PEM_R_PVK_TOO_SHORT); + goto err; + } + inlen = keylen - 8; + q = enctmp + 8; + if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL)) + goto err; + if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen)) + goto err; + if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen)) + goto err; + magic = read_ledword((const unsigned char **)&q); + if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) { + q = enctmp + 8; + memset(keybuf + 5, 0, 11); + if (!EVP_DecryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL)) + goto err; + if (!EVP_DecryptUpdate(cctx, q, &enctmplen, p, inlen)) + goto err; + if (!EVP_DecryptFinal_ex(cctx, q + enctmplen, &enctmplen)) + goto err; + magic = read_ledword((const unsigned char **)&q); + if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) { + PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_DECRYPT); + goto err; + } + } + p = enctmp; + } + + ret = b2i_PrivateKey(&p, keylen); + err: + EVP_CIPHER_CTX_free(cctx); + if (enctmp != NULL) { + OPENSSL_cleanse(keybuf, sizeof(keybuf)); + OPENSSL_free(enctmp); + } + return ret; +} + +EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u) +{ + unsigned char pvk_hdr[24], *buf = NULL; + const unsigned char *p; + int buflen; + EVP_PKEY *ret = NULL; + unsigned int saltlen, keylen; + if (BIO_read(in, pvk_hdr, 24) != 24) { + PEMerr(PEM_F_B2I_PVK_BIO, PEM_R_PVK_DATA_TOO_SHORT); + return NULL; + } + p = pvk_hdr; + + if (!do_PVK_header(&p, 24, 0, &saltlen, &keylen)) + return 0; + buflen = (int)keylen + saltlen; + buf = OPENSSL_malloc(buflen); + if (buf == NULL) { + PEMerr(PEM_F_B2I_PVK_BIO, ERR_R_MALLOC_FAILURE); + return 0; + } + p = buf; + if (BIO_read(in, buf, buflen) != buflen) { + PEMerr(PEM_F_B2I_PVK_BIO, PEM_R_PVK_DATA_TOO_SHORT); + goto err; + } + ret = do_PVK_body(&p, saltlen, keylen, cb, u); + + err: + OPENSSL_clear_free(buf, buflen); + return ret; +} + +static int i2b_PVK(unsigned char **out, EVP_PKEY *pk, int enclevel, + pem_password_cb *cb, void *u) +{ + int outlen = 24, pklen; + unsigned char *p = NULL, *start = NULL, *salt = NULL; + EVP_CIPHER_CTX *cctx = NULL; + if (enclevel) + outlen += PVK_SALTLEN; + pklen = do_i2b(NULL, pk, 0); + if (pklen < 0) + return -1; + outlen += pklen; + if (out == NULL) + return outlen; + if (*out != NULL) { + p = *out; + } else { + start = p = OPENSSL_malloc(outlen); + if (p == NULL) { + PEMerr(PEM_F_I2B_PVK, ERR_R_MALLOC_FAILURE); + return -1; + } + } + + cctx = EVP_CIPHER_CTX_new(); + if (cctx == NULL) + goto error; + + write_ledword(&p, MS_PVKMAGIC); + write_ledword(&p, 0); + if (EVP_PKEY_id(pk) == EVP_PKEY_DSA) + write_ledword(&p, MS_KEYTYPE_SIGN); + else + write_ledword(&p, MS_KEYTYPE_KEYX); + write_ledword(&p, enclevel ? 1 : 0); + write_ledword(&p, enclevel ? PVK_SALTLEN : 0); + write_ledword(&p, pklen); + if (enclevel) { + if (RAND_bytes(p, PVK_SALTLEN) <= 0) + goto error; + salt = p; + p += PVK_SALTLEN; + } + do_i2b(&p, pk, 0); + if (enclevel != 0) { + char psbuf[PEM_BUFSIZE]; + unsigned char keybuf[20]; + int enctmplen, inlen; + if (cb) + inlen = cb(psbuf, PEM_BUFSIZE, 1, u); + else + inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 1, u); + if (inlen <= 0) { + PEMerr(PEM_F_I2B_PVK, PEM_R_BAD_PASSWORD_READ); + goto error; + } + if (!derive_pvk_key(keybuf, salt, PVK_SALTLEN, + (unsigned char *)psbuf, inlen)) + goto error; + if (enclevel == 1) + memset(keybuf + 5, 0, 11); + p = salt + PVK_SALTLEN + 8; + if (!EVP_EncryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL)) + goto error; + OPENSSL_cleanse(keybuf, 20); + if (!EVP_EncryptUpdate(cctx, p, &enctmplen, p, pklen - 8)) + goto error; + if (!EVP_EncryptFinal_ex(cctx, p + enctmplen, &enctmplen)) + goto error; + } + + EVP_CIPHER_CTX_free(cctx); + + if (*out == NULL) + *out = start; + + return outlen; + + error: + EVP_CIPHER_CTX_free(cctx); + if (*out == NULL) + OPENSSL_free(start); + return -1; +} + +int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel, + pem_password_cb *cb, void *u) +{ + unsigned char *tmp = NULL; + int outlen, wrlen; + outlen = i2b_PVK(&tmp, pk, enclevel, cb, u); + if (outlen < 0) + return -1; + wrlen = BIO_write(out, tmp, outlen); + OPENSSL_free(tmp); + if (wrlen == outlen) { + return outlen; + } + PEMerr(PEM_F_I2B_PVK_BIO, PEM_R_BIO_WRITE_FAILURE); + return -1; +} + +# endif + +#endif |