X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fconf%2Fconf_lib.c;h=a84b643fc248d245f10d211cae275e6ced35ff05;hp=2005c87350b7a65dcdbedbcf5c493faeda83fa81;hb=143e5e50f22eaff58e90dd20bdb66eae6ab3b53e;hpb=befb3e7a4de7af6039ae2d37e995675e8f5fddc5

diff --git a/crypto/conf/conf_lib.c b/crypto/conf/conf_lib.c
index 2005c87350..a84b643fc2 100644
--- a/crypto/conf/conf_lib.c
+++ b/crypto/conf/conf_lib.c
@@ -1,6 +1,6 @@
-/* conf_lib.c */
-/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
- * project 2000.
+/*
+ * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
+ * 2000.
  */
 /* ====================================================================
  * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
@@ -10,7 +10,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -57,336 +57,345 @@
  */
 
 #include <stdio.h>
+#include <string.h>
+#include <internal/conf.h>
 #include <openssl/crypto.h>
 #include <openssl/err.h>
 #include <openssl/conf.h>
 #include <openssl/conf_api.h>
 #include <openssl/lhash.h>
 
-const char *CONF_version="CONF" OPENSSL_VERSION_PTEXT;
+static CONF_METHOD *default_CONF_method = NULL;
 
-static CONF_METHOD *default_CONF_method=NULL;
+/* Init a 'CONF' structure from an old LHASH */
 
-/* The following section contains the "CONF classic" functions,
-   rewritten in terms of the new CONF interface. */
+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 *CONF_load(LHASH *conf, const char *file, long *eline)
-	{
-	LHASH *ltmp;
-	BIO *in=NULL;
-
-#ifdef VMS
-	in=BIO_new_file(file, "r");
+{
+    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");
+    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 NO_FP_API
-LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline)
-	{
-	BIO *btmp;
-	LHASH *ltmp;
-	if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
-		CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
-		return NULL;
-	}
-	ltmp = CONF_load_bio(conf, btmp, eline);
-	BIO_free(btmp);
-	return ltmp;
-	}
+    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 *CONF_load_bio(LHASH *conf, BIO *bp,long *eline)
-	{
-	CONF ctmp;
-	int ret;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = conf;
-	ret = NCONF_load_bio(&ctmp, bp, eline);
-	if (ret)
-		return ctmp.data;
-	return NULL;
-	}
-
-STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,char *section)
-	{
-	CONF ctmp;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = conf;
-	return NCONF_get_section(&ctmp, section);
-	}
-
-char *CONF_get_string(LHASH *conf,char *group,char *name)
-	{
-	CONF ctmp;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = conf;
-	return NCONF_get_string(&ctmp, group, name);
-	}
-
-long CONF_get_number(LHASH *conf,char *group,char *name)
-	{
-	CONF ctmp;
-	int status;
-	long result = 0;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = conf;
-	status = NCONF_get_number_e(&ctmp, group, name, &result);
-	if (status == 0)
-		{
-		/* This function does not believe in errors... */
-		ERR_get_error();
-		}
-	return result;
-	}
-
-void CONF_free(LHASH *conf)
-	{
-	CONF ctmp;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = conf;
-	NCONF_free_data(&ctmp);
-	}
-
-#ifndef NO_FP_API
-int CONF_dump_fp(LHASH *conf, FILE *out)
-	{
-	BIO *btmp;
-	int ret;
-
-	if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
-		CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
-		return 0;
-	}
-	ret = CONF_dump_bio(conf, btmp);
-	BIO_free(btmp);
-	return ret;
-	}
+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;
+
+    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);
+    }
+
+    if (status == 0) {
+        /* This function does not believe in errors... */
+        ERR_clear_error();
+    }
+    return 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 *conf, BIO *out)
-	{
-	CONF ctmp;
-
-	if (default_CONF_method == NULL)
-		default_CONF_method = NCONF_default();
-
-	default_CONF_method->init(&ctmp);
-	ctmp.data = 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.  */
+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;
+{
+    CONF *ret;
 
-	if (meth == NULL)
-		meth = NCONF_default();
+    if (meth == NULL)
+        meth = NCONF_default();
 
-	ret = meth->create(meth);
-	if (ret == NULL)
-		{
-		CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
+    ret = meth->create(meth);
+    if (ret == NULL) {
+        CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
 
-	return ret;
-	}
+    return ret;
+}
 
 void NCONF_free(CONF *conf)
-	{
-	if (conf == NULL)
-		return;
-	conf->meth->destroy(conf);
-	}
+{
+    if (conf == NULL)
+        return;
+    conf->meth->destroy(conf);
+}
 
 void NCONF_free_data(CONF *conf)
-	{
-	if (conf == NULL)
-		return;
-	conf->meth->destroy_data(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 NO_FP_API
-int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
-	{
-	BIO *btmp;
-	int ret;
-	if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
-		{
-		CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
-		return 0;
-		}
-	ret = NCONF_load_bio(conf, btmp, eline);
-	BIO_free(btmp);
-	return ret;
-	}
+{
+    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(CONF *conf,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(CONF *conf,char *group,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);
-	return NULL;
-	}
-
-int NCONF_get_number_e(CONF *conf,char *group,char *name,long *result)
-	{
-	char *str;
-
-	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;
-
-	for (;conf->meth->is_number(conf, *str);)
-		{
-		*result = (*result)*10 + conf->meth->to_int(conf, *str);
-		str++;
-		}
-
-	return 1;
-	}
-
-#ifndef NO_FP_API
-int NCONF_dump_fp(CONF *conf, FILE *out)
-	{
-	BIO *btmp;
-	int ret;
-	if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
-		CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
-		return 0;
-	}
-	ret = NCONF_dump_bio(conf, btmp);
-	BIO_free(btmp);
-	return ret;
-	}
+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;
+}
+
+int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
+                       long *result)
+{
+    char *str;
+
+    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;
+
+    for (*result = 0; conf->meth->is_number(conf, *str);) {
+        *result = (*result) * 10 + conf->meth->to_int(conf, *str);
+        str++;
+    }
+
+    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(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);
-	}
-
-/* This function should be avoided */
-#undef NCONF_get_number
-long NCONF_get_number(CONF *conf,char *group,char *name)
-	{
-	int status;
-	long ret=0;
-
-	status = NCONF_get_number_e(conf, group, name, &ret);
-	if (status == 0)
-		{
-		/* This function does not believe in errors... */
-		ERR_get_error();
-		}
-	return ret;
-	}
+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));
+    return ret;
+}
+
+
+void OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
+                                      const char *config_file)
+{
+    free(settings->config_name);
+    settings->config_name = config_file == NULL ? NULL : strdup(config_file);
+}
+
+void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings)
+{
+    free(settings->config_name);
+    free(settings);
+}