intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 337 insertions, 0 deletions

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;
+}