Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/conf/conf_lib.c

@@ -0,0 +1,414 @@
+/*
+ * Copyright 2000-2019 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 "e_os.h"
+#include <stdio.h>
+#include <string.h>
+#include "internal/conf.h"
+#include "internal/ctype.h"
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+#include <openssl/conf_api.h>
+#include <openssl/lhash.h>
+
+static CONF_METHOD *default_CONF_method = NULL;
+
+/* Init a 'CONF' structure from an old LHASH */
+
+void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
+{
+    if (default_CONF_method == NULL)
+        default_CONF_method = NCONF_default();
+
+    default_CONF_method->init(conf);
+    conf->data = hash;
+}
+
+/*
+ * The following section contains the "CONF classic" functions, rewritten in
+ * terms of the new CONF interface.
+ */
+
+int CONF_set_default_method(CONF_METHOD *meth)
+{
+    default_CONF_method = meth;
+    return 1;
+}
+
+LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
+                                long *eline)
+{
+    LHASH_OF(CONF_VALUE) *ltmp;
+    BIO *in = NULL;
+
+#ifdef OPENSSL_SYS_VMS
+    in = BIO_new_file(file, "r");
+#else
+    in = BIO_new_file(file, "rb");
+#endif
+    if (in == NULL) {
+        CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
+        return NULL;
+    }
+
+    ltmp = CONF_load_bio(conf, in, eline);
+    BIO_free(in);
+
+    return ltmp;
+}
+
+#ifndef OPENSSL_NO_STDIO
+LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
+                                   long *eline)
+{
+    BIO *btmp;
+    LHASH_OF(CONF_VALUE) *ltmp;
+    if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
+        CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB);
+        return NULL;
+    }
+    ltmp = CONF_load_bio(conf, btmp, eline);
+    BIO_free(btmp);
+    return ltmp;
+}
+#endif
+
+LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
+                                    long *eline)
+{
+    CONF ctmp;
+    int ret;
+
+    CONF_set_nconf(&ctmp, conf);
+
+    ret = NCONF_load_bio(&ctmp, bp, eline);
+    if (ret)
+        return ctmp.data;
+    return NULL;
+}
+
+STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
+                                       const char *section)
+{
+    if (conf == NULL) {
+        return NULL;
+    } else {
+        CONF ctmp;
+        CONF_set_nconf(&ctmp, conf);
+        return NCONF_get_section(&ctmp, section);
+    }
+}
+
+char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
+                      const char *name)
+{
+    if (conf == NULL) {
+        return NCONF_get_string(NULL, group, name);
+    } else {
+        CONF ctmp;
+        CONF_set_nconf(&ctmp, conf);
+        return NCONF_get_string(&ctmp, group, name);
+    }
+}
+
+long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
+                     const char *name)
+{
+    int status;
+    long result = 0;
+
+    ERR_set_mark();
+    if (conf == NULL) {
+        status = NCONF_get_number_e(NULL, group, name, &result);
+    } else {
+        CONF ctmp;
+        CONF_set_nconf(&ctmp, conf);
+        status = NCONF_get_number_e(&ctmp, group, name, &result);
+    }
+    ERR_pop_to_mark();
+    return status == 0 ? 0L : result;
+}
+
+void CONF_free(LHASH_OF(CONF_VALUE) *conf)
+{
+    CONF ctmp;
+    CONF_set_nconf(&ctmp, conf);
+    NCONF_free_data(&ctmp);
+}
+
+#ifndef OPENSSL_NO_STDIO
+int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
+{
+    BIO *btmp;
+    int ret;
+
+    if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
+        CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
+        return 0;
+    }
+    ret = CONF_dump_bio(conf, btmp);
+    BIO_free(btmp);
+    return ret;
+}
+#endif
+
+int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
+{
+    CONF ctmp;
+    CONF_set_nconf(&ctmp, conf);
+    return NCONF_dump_bio(&ctmp, out);
+}
+
+/*
+ * The following section contains the "New CONF" functions.  They are
+ * completely centralised around a new CONF structure that may contain
+ * basically anything, but at least a method pointer and a table of data.
+ * These functions are also written in terms of the bridge functions used by
+ * the "CONF classic" functions, for consistency.
+ */
+
+CONF *NCONF_new(CONF_METHOD *meth)
+{
+    CONF *ret;
+
+    if (meth == NULL)
+        meth = NCONF_default();
+
+    ret = meth->create(meth);
+    if (ret == NULL) {
+        CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    return ret;
+}
+
+void NCONF_free(CONF *conf)
+{
+    if (conf == NULL)
+        return;
+    conf->meth->destroy(conf);
+}
+
+void NCONF_free_data(CONF *conf)
+{
+    if (conf == NULL)
+        return;
+    conf->meth->destroy_data(conf);
+}
+
+int NCONF_load(CONF *conf, const char *file, long *eline)
+{
+    if (conf == NULL) {
+        CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
+        return 0;
+    }
+
+    return conf->meth->load(conf, file, eline);
+}
+
+#ifndef OPENSSL_NO_STDIO
+int NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
+{
+    BIO *btmp;
+    int ret;
+    if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
+        CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
+        return 0;
+    }
+    ret = NCONF_load_bio(conf, btmp, eline);
+    BIO_free(btmp);
+    return ret;
+}
+#endif
+
+int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
+{
+    if (conf == NULL) {
+        CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
+        return 0;
+    }
+
+    return conf->meth->load_bio(conf, bp, eline);
+}
+
+STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)
+{
+    if (conf == NULL) {
+        CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);
+        return NULL;
+    }
+
+    if (section == NULL) {
+        CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
+        return NULL;
+    }
+
+    return _CONF_get_section_values(conf, section);
+}
+
+char *NCONF_get_string(const CONF *conf, const char *group, const char *name)
+{
+    char *s = _CONF_get_string(conf, group, name);
+
+    /*
+     * Since we may get a value from an environment variable even if conf is
+     * NULL, let's check the value first
+     */
+    if (s)
+        return s;
+
+    if (conf == NULL) {
+        CONFerr(CONF_F_NCONF_GET_STRING,
+                CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
+        return NULL;
+    }
+    CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE);
+    ERR_add_error_data(4, "group=", group, " name=", name);
+    return NULL;
+}
+
+static int default_is_number(const CONF *conf, char c)
+{
+    return ossl_isdigit(c);
+}
+
+static int default_to_int(const CONF *conf, char c)
+{
+    return (int)(c - '0');
+}
+
+int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
+                       long *result)
+{
+    char *str;
+    long res;
+    int (*is_number)(const CONF *, char) = &default_is_number;
+    int (*to_int)(const CONF *, char) = &default_to_int;
+
+    if (result == NULL) {
+        CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER);
+        return 0;
+    }
+
+    str = NCONF_get_string(conf, group, name);
+
+    if (str == NULL)
+        return 0;
+
+    if (conf != NULL) {
+        if (conf->meth->is_number != NULL)
+            is_number = conf->meth->is_number;
+        if (conf->meth->to_int != NULL)
+            to_int = conf->meth->to_int;
+    }
+    for (res = 0; is_number(conf, *str); str++) {
+        const int d = to_int(conf, *str);
+
+        if (res > (LONG_MAX - d) / 10L) {
+            CONFerr(CONF_F_NCONF_GET_NUMBER_E, CONF_R_NUMBER_TOO_LARGE);
+            return 0;
+        }
+        res = res * 10 + d;
+    }
+
+    *result = res;
+    return 1;
+}
+
+#ifndef OPENSSL_NO_STDIO
+int NCONF_dump_fp(const CONF *conf, FILE *out)
+{
+    BIO *btmp;
+    int ret;
+    if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
+        CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB);
+        return 0;
+    }
+    ret = NCONF_dump_bio(conf, btmp);
+    BIO_free(btmp);
+    return ret;
+}
+#endif
+
+int NCONF_dump_bio(const CONF *conf, BIO *out)
+{
+    if (conf == NULL) {
+        CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF);
+        return 0;
+    }
+
+    return conf->meth->dump(conf, out);
+}
+
+/*
+ * These routines call the C malloc/free, to avoid intermixing with
+ * OpenSSL function pointers before the library is initialized.
+ */
+OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void)
+{
+    OPENSSL_INIT_SETTINGS *ret = malloc(sizeof(*ret));
+
+    if (ret != NULL)
+        memset(ret, 0, sizeof(*ret));
+    ret->flags = DEFAULT_CONF_MFLAGS;
+
+    return ret;
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
+                                     const char *filename)
+{
+    char *newfilename = NULL;
+
+    if (filename != NULL) {
+        newfilename = strdup(filename);
+        if (newfilename == NULL)
+            return 0;
+    }
+
+    free(settings->filename);
+    settings->filename = newfilename;
+
+    return 1;
+}
+
+void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
+                                        unsigned long flags)
+{
+    settings->flags = flags;
+}
+
+int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
+                                    const char *appname)
+{
+    char *newappname = NULL;
+
+    if (appname != NULL) {
+        newappname = strdup(appname);
+        if (newappname == NULL)
+            return 0;
+    }
+
+    free(settings->appname);
+    settings->appname = newappname;
+
+    return 1;
+}
+#endif
+
+void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings)
+{
+    free(settings->filename);
+    free(settings->appname);
+    free(settings);
+}