Merge OpenSSL 1.0.1m.

1 files changed, 940 insertions, 968 deletions

diff --git a/crypto/openssl/apps/ts.c b/crypto/openssl/apps/ts.c
index 5fa9f7f..341a42b 100644
--- a/crypto/openssl/apps/ts.c
+++ b/crypto/openssl/apps/ts.c
@@ -1,6 +1,7 @@
 /* apps/ts.c */
-/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
- * project 2002.
+/*
+ * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
+ * 2002.
  */
 /* ====================================================================
  * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
@@ -10,7 +11,7 @@
  * 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
@@ -68,13 +69,13 @@
 #include <openssl/bn.h>
 
 #undef PROG
-#define PROG	ts_main
+#define PROG    ts_main
 
 /* Length of the nonce of the request in bits (must be a multiple of 8). */
-#define	NONCE_LENGTH		64
+#define NONCE_LENGTH            64
 
 /* Macro definitions for the configuration file. */
-#define	ENV_OID_FILE		"oid_file"
+#define ENV_OID_FILE            "oid_file"
 
 /* Local function declarations. */
 
@@ -83,38 +84,39 @@ static CONF *load_config_file(const char *configfile);
 
 /* Query related functions. */
 static int query_command(const char *data, char *digest,
-			 const EVP_MD *md, const char *policy, int no_nonce, 
-			 int cert, const char *in, const char *out, int text);
-static BIO *BIO_open_with_default(const char *file, const char *mode, 
-				  FILE *default_fp);
+                         const EVP_MD *md, const char *policy, int no_nonce,
+                         int cert, const char *in, const char *out, int text);
+static BIO *BIO_open_with_default(const char *file, const char *mode,
+                                  FILE *default_fp);
 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
-			    const char *policy, int no_nonce, int cert);
+                            const char *policy, int no_nonce, int cert);
 static int create_digest(BIO *input, char *digest,
-			 const EVP_MD *md, unsigned char **md_value);
+                         const EVP_MD *md, unsigned char **md_value);
 static ASN1_INTEGER *create_nonce(int bits);
 
 /* Reply related functions. */
-static int reply_command(CONF *conf, char *section, char *engine, 
-			 char *queryfile, char *passin, char *inkey, 
-			 char *signer, char *chain, const char *policy, 
-			 char *in, int token_in, char *out, int token_out,
-			 int text);
+static int reply_command(CONF *conf, char *section, char *engine,
+                         char *queryfile, char *passin, char *inkey,
+                         char *signer, char *chain, const char *policy,
+                         char *in, int token_in, char *out, int token_out,
+                         int text);
 static TS_RESP *read_PKCS7(BIO *in_bio);
 static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
-				char *queryfile, char *passin, char *inkey,
-				char *signer, char *chain, const char *policy);
-static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data);
+                                char *queryfile, char *passin, char *inkey,
+                                char *signer, char *chain,
+                                const char *policy);
+static ASN1_INTEGER *MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data);
 static ASN1_INTEGER *next_serial(const char *serialfile);
 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial);
 
 /* Verify related functions. */
 static int verify_command(char *data, char *digest, char *queryfile,
-			  char *in, int token_in,
-			  char *ca_path, char *ca_file, char *untrusted);
-static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, 
-					char *queryfile, 
-					char *ca_path, char *ca_file,
-					char *untrusted);
+                          char *in, int token_in,
+                          char *ca_path, char *ca_file, char *untrusted);
+static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
+                                        char *queryfile,
+                                        char *ca_path, char *ca_file,
+                                        char *untrusted);
 static X509_STORE *create_cert_store(char *ca_path, char *ca_file);
 static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx);
 
@@ -122,1026 +124,996 @@ static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx);
 int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
-	{
-	int ret = 1;
-	char *configfile = NULL;
-	char *section = NULL;
-	CONF *conf = NULL;
-	enum mode {
-	CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY 
-	} mode = CMD_NONE;
-	char *data = NULL;
-	char *digest = NULL;
-	const EVP_MD *md = NULL;
-	char *rnd = NULL;
-	char *policy = NULL;
-	int no_nonce = 0;
-	int cert = 0;
-	char *in = NULL;
-	char *out = NULL;
-	int text = 0;
-	char *queryfile = NULL;
-	char *passin = NULL;	/* Password source. */
-	char *password =NULL;	/* Password itself. */
-	char *inkey = NULL;
-	char *signer = NULL;
-	char *chain = NULL;
-	char *ca_path = NULL;
-	char *ca_file = NULL;
-	char *untrusted = NULL;
-	char *engine = NULL;
-	/* Input is ContentInfo instead of TimeStampResp. */
-	int token_in = 0;	
-	/* Output is ContentInfo instead of TimeStampResp. */
-	int token_out = 0;
-	int free_bio_err = 0;
-
-	ERR_load_crypto_strings();
-	apps_startup();
-
-	if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL)
-		{
-		free_bio_err = 1;
-		BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
-		}
-
-	if (!load_config(bio_err, NULL))
-		goto cleanup;
-
-	for (argc--, argv++; argc > 0; argc--, argv++)
-		{
-		if (strcmp(*argv, "-config") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			configfile = *++argv;
-			}
-		else if (strcmp(*argv, "-section") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			section = *++argv;
-			}
-		else if (strcmp(*argv, "-query") == 0)
-			{
-			if (mode != CMD_NONE) goto usage;
-			mode = CMD_QUERY;
-			}
-		else if (strcmp(*argv, "-data") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			data = *++argv;
-			}
-		else if (strcmp(*argv, "-digest") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			digest = *++argv;
-			}
-		else if (strcmp(*argv, "-rand") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			rnd = *++argv;
-			}
-		else if (strcmp(*argv, "-policy") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			policy = *++argv;
-			}
-		else if (strcmp(*argv, "-no_nonce") == 0)
-			{
-			no_nonce = 1;
-			}
-		else if (strcmp(*argv, "-cert") == 0)
-			{
-			cert = 1;
-			}
-		else if (strcmp(*argv, "-in") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			in = *++argv;
-			}
-		else if (strcmp(*argv, "-token_in") == 0)
-			{
-			token_in = 1;
-			}
-		else if (strcmp(*argv, "-out") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			out = *++argv;
-			}
-		else if (strcmp(*argv, "-token_out") == 0)
-			{
-			token_out = 1;
-			}
-		else if (strcmp(*argv, "-text") == 0)
-			{
-			text = 1;
-			}
-		else if (strcmp(*argv, "-reply") == 0)
-			{
-			if (mode != CMD_NONE) goto usage;
-			mode = CMD_REPLY;
-			}
-		else if (strcmp(*argv, "-queryfile") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			queryfile = *++argv;
-			}
-		else if (strcmp(*argv, "-passin") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			passin = *++argv;
-			}
-		else if (strcmp(*argv, "-inkey") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			inkey = *++argv;
-			}
-		else if (strcmp(*argv, "-signer") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			signer = *++argv;
-			}
-		else if (strcmp(*argv, "-chain") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			chain = *++argv;
-			}
-		else if (strcmp(*argv, "-verify") == 0)
-			{
-			if (mode != CMD_NONE) goto usage;
-			mode = CMD_VERIFY;
-			}
-		else if (strcmp(*argv, "-CApath") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			ca_path = *++argv;
-			}
-		else if (strcmp(*argv, "-CAfile") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			ca_file = *++argv;
-			}
-		else if (strcmp(*argv, "-untrusted") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			untrusted = *++argv;
-			}
-		else if (strcmp(*argv, "-engine") == 0)
-			{
-			if (argc-- < 1) goto usage;
-			engine = *++argv;
-			}
-		else if ((md = EVP_get_digestbyname(*argv + 1)) != NULL)
-			{
-			/* empty. */
-			}
-		else
-			goto usage;
-		}
-	
-	/* Seed the random number generator if it is going to be used. */
-	if (mode == CMD_QUERY && !no_nonce)
-		{
-		if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL)
-			BIO_printf(bio_err, "warning, not much extra random "
-				   "data, consider using the -rand option\n");
-		if (rnd != NULL)
-			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-				   app_RAND_load_files(rnd));
-		}
-
-	/* Get the password if required. */
-	if(mode == CMD_REPLY && passin &&
-	   !app_passwd(bio_err, passin, NULL, &password, NULL))
-		{
-		BIO_printf(bio_err,"Error getting password.\n");
-		goto cleanup;
-		}
-
-	/* Check consistency of parameters and execute 
-	   the appropriate function. */
-	switch (mode)
-		{
-	case CMD_NONE:
-		goto usage;
-	case CMD_QUERY:
-		/* Data file and message imprint cannot be specified
-		   at the same time. */
-		ret = data != NULL && digest != NULL;
-		if (ret) goto usage;
-		/* Load the config file for possible policy OIDs. */
-		conf = load_config_file(configfile);
-		ret = !query_command(data, digest, md, policy, no_nonce, cert,
-				     in, out, text);
-		break;
-	case CMD_REPLY:
-		conf = load_config_file(configfile);
-		if (in == NULL)
-			{
-			ret = !(queryfile != NULL && conf != NULL && !token_in);
-			if (ret) goto usage;
-			}
-		else
-			{
-			/* 'in' and 'queryfile' are exclusive. */
-			ret = !(queryfile == NULL);
-			if (ret) goto usage;
-			}
-
-		ret = !reply_command(conf, section, engine, queryfile, 
-				     password, inkey, signer, chain, policy, 
-				     in, token_in, out, token_out, text);
-		break;
-	case CMD_VERIFY:
-		ret = !(((queryfile && !data && !digest)
-			 || (!queryfile && data && !digest)
-			 || (!queryfile && !data && digest))
-			&& in != NULL);
-		if (ret) goto usage;
-
-		ret = !verify_command(data, digest, queryfile, in, token_in,
-				      ca_path, ca_file, untrusted);
-		}
-
-	goto cleanup;
+{
+    int ret = 1;
+    char *configfile = NULL;
+    char *section = NULL;
+    CONF *conf = NULL;
+    enum mode {
+        CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY
+    } mode = CMD_NONE;
+    char *data = NULL;
+    char *digest = NULL;
+    const EVP_MD *md = NULL;
+    char *rnd = NULL;
+    char *policy = NULL;
+    int no_nonce = 0;
+    int cert = 0;
+    char *in = NULL;
+    char *out = NULL;
+    int text = 0;
+    char *queryfile = NULL;
+    char *passin = NULL;        /* Password source. */
+    char *password = NULL;      /* Password itself. */
+    char *inkey = NULL;
+    char *signer = NULL;
+    char *chain = NULL;
+    char *ca_path = NULL;
+    char *ca_file = NULL;
+    char *untrusted = NULL;
+    char *engine = NULL;
+    /* Input is ContentInfo instead of TimeStampResp. */
+    int token_in = 0;
+    /* Output is ContentInfo instead of TimeStampResp. */
+    int token_out = 0;
+    int free_bio_err = 0;
+
+    ERR_load_crypto_strings();
+    apps_startup();
+
+    if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL) {
+        free_bio_err = 1;
+        BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+    }
+
+    if (!load_config(bio_err, NULL))
+        goto cleanup;
+
+    for (argc--, argv++; argc > 0; argc--, argv++) {
+        if (strcmp(*argv, "-config") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            configfile = *++argv;
+        } else if (strcmp(*argv, "-section") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            section = *++argv;
+        } else if (strcmp(*argv, "-query") == 0) {
+            if (mode != CMD_NONE)
+                goto usage;
+            mode = CMD_QUERY;
+        } else if (strcmp(*argv, "-data") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            data = *++argv;
+        } else if (strcmp(*argv, "-digest") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            digest = *++argv;
+        } else if (strcmp(*argv, "-rand") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            rnd = *++argv;
+        } else if (strcmp(*argv, "-policy") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            policy = *++argv;
+        } else if (strcmp(*argv, "-no_nonce") == 0) {
+            no_nonce = 1;
+        } else if (strcmp(*argv, "-cert") == 0) {
+            cert = 1;
+        } else if (strcmp(*argv, "-in") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            in = *++argv;
+        } else if (strcmp(*argv, "-token_in") == 0) {
+            token_in = 1;
+        } else if (strcmp(*argv, "-out") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            out = *++argv;
+        } else if (strcmp(*argv, "-token_out") == 0) {
+            token_out = 1;
+        } else if (strcmp(*argv, "-text") == 0) {
+            text = 1;
+        } else if (strcmp(*argv, "-reply") == 0) {
+            if (mode != CMD_NONE)
+                goto usage;
+            mode = CMD_REPLY;
+        } else if (strcmp(*argv, "-queryfile") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            queryfile = *++argv;
+        } else if (strcmp(*argv, "-passin") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            passin = *++argv;
+        } else if (strcmp(*argv, "-inkey") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            inkey = *++argv;
+        } else if (strcmp(*argv, "-signer") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            signer = *++argv;
+        } else if (strcmp(*argv, "-chain") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            chain = *++argv;
+        } else if (strcmp(*argv, "-verify") == 0) {
+            if (mode != CMD_NONE)
+                goto usage;
+            mode = CMD_VERIFY;
+        } else if (strcmp(*argv, "-CApath") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            ca_path = *++argv;
+        } else if (strcmp(*argv, "-CAfile") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            ca_file = *++argv;
+        } else if (strcmp(*argv, "-untrusted") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            untrusted = *++argv;
+        } else if (strcmp(*argv, "-engine") == 0) {
+            if (argc-- < 1)
+                goto usage;
+            engine = *++argv;
+        } else if ((md = EVP_get_digestbyname(*argv + 1)) != NULL) {
+            /* empty. */
+        } else
+            goto usage;
+    }
+
+    /* Seed the random number generator if it is going to be used. */
+    if (mode == CMD_QUERY && !no_nonce) {
+        if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL)
+            BIO_printf(bio_err, "warning, not much extra random "
+                       "data, consider using the -rand option\n");
+        if (rnd != NULL)
+            BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+                       app_RAND_load_files(rnd));
+    }
+
+    /* Get the password if required. */
+    if (mode == CMD_REPLY && passin &&
+        !app_passwd(bio_err, passin, NULL, &password, NULL)) {
+        BIO_printf(bio_err, "Error getting password.\n");
+        goto cleanup;
+    }
+
+    /*
+     * Check consistency of parameters and execute the appropriate function.
+     */
+    switch (mode) {
+    case CMD_NONE:
+        goto usage;
+    case CMD_QUERY:
+        /*
+         * Data file and message imprint cannot be specified at the same
+         * time.
+         */
+        ret = data != NULL && digest != NULL;
+        if (ret)
+            goto usage;
+        /* Load the config file for possible policy OIDs. */
+        conf = load_config_file(configfile);
+        ret = !query_command(data, digest, md, policy, no_nonce, cert,
+                             in, out, text);
+        break;
+    case CMD_REPLY:
+        conf = load_config_file(configfile);
+        if (in == NULL) {
+            ret = !(queryfile != NULL && conf != NULL && !token_in);
+            if (ret)
+                goto usage;
+        } else {
+            /* 'in' and 'queryfile' are exclusive. */
+            ret = !(queryfile == NULL);
+            if (ret)
+                goto usage;
+        }
+
+        ret = !reply_command(conf, section, engine, queryfile,
+                             password, inkey, signer, chain, policy,
+                             in, token_in, out, token_out, text);
+        break;
+    case CMD_VERIFY:
+        ret = !(((queryfile && !data && !digest)
+                 || (!queryfile && data && !digest)
+                 || (!queryfile && !data && digest))
+                && in != NULL);
+        if (ret)
+            goto usage;
+
+        ret = !verify_command(data, digest, queryfile, in, token_in,
+                              ca_path, ca_file, untrusted);
+    }
+
+    goto cleanup;
 
  usage:
-	BIO_printf(bio_err, "usage:\n"
-		   "ts -query [-rand file%cfile%c...] [-config configfile] "
-		   "[-data file_to_hash] [-digest digest_bytes]"
-		   "[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] "
-		   "[-policy object_id] [-no_nonce] [-cert] "
-		   "[-in request.tsq] [-out request.tsq] [-text]\n",
-		   LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-	BIO_printf(bio_err, "or\n"
-		   "ts -reply [-config configfile] [-section tsa_section] "
-		   "[-queryfile request.tsq] [-passin password] "
-		   "[-signer tsa_cert.pem] [-inkey private_key.pem] "
-		   "[-chain certs_file.pem] [-policy object_id] "
-		   "[-in response.tsr] [-token_in] "
-		   "[-out response.tsr] [-token_out] [-text] [-engine id]\n");
-	BIO_printf(bio_err, "or\n"
-		   "ts -verify [-data file_to_hash] [-digest digest_bytes] "
-		   "[-queryfile request.tsq] "
-		   "-in response.tsr [-token_in] "
-		   "-CApath ca_path -CAfile ca_file.pem "
-		   "-untrusted cert_file.pem\n");
+    BIO_printf(bio_err, "usage:\n"
+               "ts -query [-rand file%cfile%c...] [-config configfile] "
+               "[-data file_to_hash] [-digest digest_bytes]"
+               "[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] "
+               "[-policy object_id] [-no_nonce] [-cert] "
+               "[-in request.tsq] [-out request.tsq] [-text]\n",
+               LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+    BIO_printf(bio_err, "or\n"
+               "ts -reply [-config configfile] [-section tsa_section] "
+               "[-queryfile request.tsq] [-passin password] "
+               "[-signer tsa_cert.pem] [-inkey private_key.pem] "
+               "[-chain certs_file.pem] [-policy object_id] "
+               "[-in response.tsr] [-token_in] "
+               "[-out response.tsr] [-token_out] [-text] [-engine id]\n");
+    BIO_printf(bio_err, "or\n"
+               "ts -verify [-data file_to_hash] [-digest digest_bytes] "
+               "[-queryfile request.tsq] "
+               "-in response.tsr [-token_in] "
+               "-CApath ca_path -CAfile ca_file.pem "
+               "-untrusted cert_file.pem\n");
  cleanup:
-	/* Clean up. */
-	app_RAND_write_file(NULL, bio_err);
-	NCONF_free(conf);
-	OPENSSL_free(password);
-	OBJ_cleanup();
-	if (free_bio_err)
-		{
-		BIO_free_all(bio_err);
-		bio_err = NULL;
-		}
-
-	OPENSSL_EXIT(ret);
-	}
+    /* Clean up. */
+    app_RAND_write_file(NULL, bio_err);
+    NCONF_free(conf);
+    OPENSSL_free(password);
+    OBJ_cleanup();
+    if (free_bio_err) {
+        BIO_free_all(bio_err);
+        bio_err = NULL;
+    }
+
+    OPENSSL_EXIT(ret);
+}
 
 /*
  * Configuration file-related function definitions.
  */
 
 static ASN1_OBJECT *txt2obj(const char *oid)
-	{
-	ASN1_OBJECT *oid_obj = NULL;
+{
+    ASN1_OBJECT *oid_obj = NULL;
 
-	if (!(oid_obj = OBJ_txt2obj(oid, 0)))
-		BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
+    if (!(oid_obj = OBJ_txt2obj(oid, 0)))
+        BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
 
-	return oid_obj;
-	}
+    return oid_obj;
+}
 
 static CONF *load_config_file(const char *configfile)
-	{
-	CONF *conf = NULL;
-	long errorline = -1;
-
-	if (!configfile) configfile = getenv("OPENSSL_CONF");
-	if (!configfile) configfile = getenv("SSLEAY_CONF");
-
-	if (configfile &&
-	    (!(conf = NCONF_new(NULL)) ||
-	     NCONF_load(conf, configfile, &errorline) <= 0))
-		{
-		if (errorline <= 0)
-			BIO_printf(bio_err, "error loading the config file "
-				   "'%s'\n", configfile);
-		else
-			BIO_printf(bio_err, "error on line %ld of config file "
-				   "'%s'\n", errorline, configfile);
-		}
-
-	if (conf != NULL)
-		{
-		const char *p;
-
-		BIO_printf(bio_err,"Using configuration from %s\n", configfile);
-		p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
-		if (p != NULL)
-			{
-			BIO *oid_bio = BIO_new_file(p, "r");
-			if (!oid_bio) 
-				ERR_print_errors(bio_err);
-			else
-				{
-				OBJ_create_objects(oid_bio);
-				BIO_free_all(oid_bio);
-				}
-			}
-		else
-			ERR_clear_error();
-		if(!add_oid_section(bio_err, conf)) 
-			ERR_print_errors(bio_err);
-		}
-	return conf;
-	}
+{
+    CONF *conf = NULL;
+    long errorline = -1;
+
+    if (!configfile)
+        configfile = getenv("OPENSSL_CONF");
+    if (!configfile)
+        configfile = getenv("SSLEAY_CONF");
+
+    if (configfile &&
+        (!(conf = NCONF_new(NULL)) ||
+         NCONF_load(conf, configfile, &errorline) <= 0)) {
+        if (errorline <= 0)
+            BIO_printf(bio_err, "error loading the config file "
+                       "'%s'\n", configfile);
+        else
+            BIO_printf(bio_err, "error on line %ld of config file "
+                       "'%s'\n", errorline, configfile);
+    }
+
+    if (conf != NULL) {
+        const char *p;
+
+        BIO_printf(bio_err, "Using configuration from %s\n", configfile);
+        p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
+        if (p != NULL) {
+            BIO *oid_bio = BIO_new_file(p, "r");
+            if (!oid_bio)
+                ERR_print_errors(bio_err);
+            else {
+                OBJ_create_objects(oid_bio);
+                BIO_free_all(oid_bio);
+            }
+        } else
+            ERR_clear_error();
+        if (!add_oid_section(bio_err, conf))
+            ERR_print_errors(bio_err);
+    }
+    return conf;
+}
 
 /*
  * Query-related method definitions.
  */
 
 static int query_command(const char *data, char *digest, const EVP_MD *md,
-			 const char *policy, int no_nonce, 
-			 int cert, const char *in, const char *out, int text)
-	{
-	int ret = 0;
-	TS_REQ *query = NULL;
-	BIO *in_bio = NULL;
-	BIO *data_bio = NULL;
-	BIO *out_bio = NULL;
-
-	/* Build query object either from file or from scratch. */
-	if (in != NULL)
-		{
-		if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
-		query = d2i_TS_REQ_bio(in_bio, NULL);
-		}
-	else
-		{
-		/* Open the file if no explicit digest bytes were specified. */
-		if (!digest 
-		    && !(data_bio = BIO_open_with_default(data, "rb", stdin)))
-			goto end;
-		/* Creating the query object. */
-		query = create_query(data_bio, digest, md,
-				     policy, no_nonce, cert);
-		/* Saving the random number generator state. */
-		}
-	if (query == NULL) goto end;
-
-	/* Write query either in ASN.1 or in text format. */
-	if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
-		goto end;
-	if (text)
-		{
-		/* Text output. */
-		if (!TS_REQ_print_bio(out_bio, query))
-			goto end;
-		}
-	else
-		{
-		/* ASN.1 output. */
-		if (!i2d_TS_REQ_bio(out_bio, query))
-			goto end;
-		}
-
-	ret = 1;
+                         const char *policy, int no_nonce,
+                         int cert, const char *in, const char *out, int text)
+{
+    int ret = 0;
+    TS_REQ *query = NULL;
+    BIO *in_bio = NULL;
+    BIO *data_bio = NULL;
+    BIO *out_bio = NULL;
+
+    /* Build query object either from file or from scratch. */
+    if (in != NULL) {
+        if ((in_bio = BIO_new_file(in, "rb")) == NULL)
+            goto end;
+        query = d2i_TS_REQ_bio(in_bio, NULL);
+    } else {
+        /*
+         * Open the file if no explicit digest bytes were specified.
+         */
+        if (!digest && !(data_bio = BIO_open_with_default(data, "rb", stdin)))
+            goto end;
+        /* Creating the query object. */
+        query = create_query(data_bio, digest, md, policy, no_nonce, cert);
+        /* Saving the random number generator state. */
+    }
+    if (query == NULL)
+        goto end;
+
+    /* Write query either in ASN.1 or in text format. */
+    if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
+        goto end;
+    if (text) {
+        /* Text output. */
+        if (!TS_REQ_print_bio(out_bio, query))
+            goto end;
+    } else {
+        /* ASN.1 output. */
+        if (!i2d_TS_REQ_bio(out_bio, query))
+            goto end;
+    }
+
+    ret = 1;
 
  end:
-	ERR_print_errors(bio_err);
+    ERR_print_errors(bio_err);
 
-	/* Clean up. */
-	BIO_free_all(in_bio);
-	BIO_free_all(data_bio);
-	BIO_free_all(out_bio);
-	TS_REQ_free(query);
+    /* Clean up. */
+    BIO_free_all(in_bio);
+    BIO_free_all(data_bio);
+    BIO_free_all(out_bio);
+    TS_REQ_free(query);
 
-	return ret;
-	}
+    return ret;
+}
 
-static BIO *BIO_open_with_default(const char *file, const char *mode, 
-				  FILE *default_fp)
-	{
-	return file == NULL ? 
-		BIO_new_fp(default_fp, BIO_NOCLOSE) 
-		: BIO_new_file(file, mode);
-	}
+static BIO *BIO_open_with_default(const char *file, const char *mode,
+                                  FILE *default_fp)
+{
+    return file == NULL ? BIO_new_fp(default_fp, BIO_NOCLOSE)
+        : BIO_new_file(file, mode);
+}
 
 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
-			    const char *policy, int no_nonce, int cert)
-	{
-	int ret = 0;
-	TS_REQ *ts_req = NULL;
-	int len;
-	TS_MSG_IMPRINT *msg_imprint = NULL;
-	X509_ALGOR *algo = NULL;
-	unsigned char *data = NULL;
-	ASN1_OBJECT *policy_obj = NULL;
-	ASN1_INTEGER *nonce_asn1 = NULL;
-
-	/* Setting default message digest. */
-	if (!md && !(md = EVP_get_digestbyname("sha1"))) goto err;
-
-	/* Creating request object. */
-	if (!(ts_req = TS_REQ_new())) goto err;
-
-	/* Setting version. */
-	if (!TS_REQ_set_version(ts_req, 1)) goto err;
-
-	/* Creating and adding MSG_IMPRINT object. */
-	if (!(msg_imprint = TS_MSG_IMPRINT_new())) goto err;
-
-	/* Adding algorithm. */
-	if (!(algo = X509_ALGOR_new())) goto err;
-	if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md)))) goto err;
-	if (!(algo->parameter = ASN1_TYPE_new())) goto err;
-	algo->parameter->type = V_ASN1_NULL;
-	if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) goto err;
-
-	/* Adding message digest. */
-	if ((len = create_digest(data_bio, digest, md, &data)) == 0)
-		goto err;
-	if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) goto err;
-
-	if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) goto err;
-	
-	/* Setting policy if requested. */
-	if (policy && !(policy_obj = txt2obj(policy))) goto err;
-	if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) goto err;
-
-	/* Setting nonce if requested. */
-	if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH))) goto err;
-	if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) goto err;
-
-	/* Setting certificate request flag if requested. */
-	if (!TS_REQ_set_cert_req(ts_req, cert)) goto err;
-
-	ret = 1;
+                            const char *policy, int no_nonce, int cert)
+{
+    int ret = 0;
+    TS_REQ *ts_req = NULL;
+    int len;
+    TS_MSG_IMPRINT *msg_imprint = NULL;
+    X509_ALGOR *algo = NULL;
+    unsigned char *data = NULL;
+    ASN1_OBJECT *policy_obj = NULL;
+    ASN1_INTEGER *nonce_asn1 = NULL;
+
+    /* Setting default message digest. */
+    if (!md && !(md = EVP_get_digestbyname("sha1")))
+        goto err;
+
+    /* Creating request object. */
+    if (!(ts_req = TS_REQ_new()))
+        goto err;
+
+    /* Setting version. */
+    if (!TS_REQ_set_version(ts_req, 1))
+        goto err;
+
+    /* Creating and adding MSG_IMPRINT object. */
+    if (!(msg_imprint = TS_MSG_IMPRINT_new()))
+        goto err;
+
+    /* Adding algorithm. */
+    if (!(algo = X509_ALGOR_new()))
+        goto err;
+    if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md))))
+        goto err;
+    if (!(algo->parameter = ASN1_TYPE_new()))
+        goto err;
+    algo->parameter->type = V_ASN1_NULL;
+    if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo))
+        goto err;
+
+    /* Adding message digest. */
+    if ((len = create_digest(data_bio, digest, md, &data)) == 0)
+        goto err;
+    if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len))
+        goto err;
+
+    if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint))
+        goto err;
+
+    /* Setting policy if requested. */
+    if (policy && !(policy_obj = txt2obj(policy)))
+        goto err;
+    if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj))
+        goto err;
+
+    /* Setting nonce if requested. */
+    if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH)))
+        goto err;
+    if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1))
+        goto err;
+
+    /* Setting certificate request flag if requested. */
+    if (!TS_REQ_set_cert_req(ts_req, cert))
+        goto err;
+
+    ret = 1;
  err:
-	if (!ret)
-		{
-		TS_REQ_free(ts_req);
-		ts_req = NULL;
-		BIO_printf(bio_err, "could not create query\n");
-		}
-	TS_MSG_IMPRINT_free(msg_imprint);
-	X509_ALGOR_free(algo);
-	OPENSSL_free(data);
-	ASN1_OBJECT_free(policy_obj);
-	ASN1_INTEGER_free(nonce_asn1);
-	return ts_req;
-	}
+    if (!ret) {
+        TS_REQ_free(ts_req);
+        ts_req = NULL;
+        BIO_printf(bio_err, "could not create query\n");
+    }
+    TS_MSG_IMPRINT_free(msg_imprint);
+    X509_ALGOR_free(algo);
+    OPENSSL_free(data);
+    ASN1_OBJECT_free(policy_obj);
+    ASN1_INTEGER_free(nonce_asn1);
+    return ts_req;
+}
 
 static int create_digest(BIO *input, char *digest, const EVP_MD *md,
-			 unsigned char **md_value)
-	{
-	int md_value_len;
-
-	md_value_len = EVP_MD_size(md);
-	if (md_value_len < 0)
-	    goto err;
-	if (input)
-		{
-		/* Digest must be computed from an input file. */
-		EVP_MD_CTX md_ctx;
-		unsigned char buffer[4096];
-		int length;
-
-		*md_value = OPENSSL_malloc(md_value_len);
-		if (*md_value == 0) goto err;
-
-		EVP_DigestInit(&md_ctx, md);
-		while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0)
-			{
-			EVP_DigestUpdate(&md_ctx, buffer, length);
-			}
-		EVP_DigestFinal(&md_ctx, *md_value, NULL);
-		}
-	else
-		{
-		/* Digest bytes are specified with digest. */
-		long digest_len;
-		*md_value = string_to_hex(digest, &digest_len);
-		if (!*md_value || md_value_len != digest_len)
-			{
-			OPENSSL_free(*md_value);
-			*md_value = NULL;
-			BIO_printf(bio_err, "bad digest, %d bytes "
-				   "must be specified\n", md_value_len);
-			goto err;
-			}
-		}
-
-	return md_value_len;
+                         unsigned char **md_value)
+{
+    int md_value_len;
+
+    md_value_len = EVP_MD_size(md);
+    if (md_value_len < 0)
+        goto err;
+    if (input) {
+        /* Digest must be computed from an input file. */
+        EVP_MD_CTX md_ctx;
+        unsigned char buffer[4096];
+        int length;
+
+        *md_value = OPENSSL_malloc(md_value_len);
+        if (*md_value == 0)
+            goto err;
+
+        EVP_DigestInit(&md_ctx, md);
+        while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0) {
+            EVP_DigestUpdate(&md_ctx, buffer, length);
+        }
+        EVP_DigestFinal(&md_ctx, *md_value, NULL);
+    } else {
+        /* Digest bytes are specified with digest. */
+        long digest_len;
+        *md_value = string_to_hex(digest, &digest_len);
+        if (!*md_value || md_value_len != digest_len) {
+            OPENSSL_free(*md_value);
+            *md_value = NULL;
+            BIO_printf(bio_err, "bad digest, %d bytes "
+                       "must be specified\n", md_value_len);
+            goto err;
+        }
+    }
+
+    return md_value_len;
  err:
-	return 0;
-	}
+    return 0;
+}
 
 static ASN1_INTEGER *create_nonce(int bits)
-	{
-	unsigned char buf[20];
-	ASN1_INTEGER *nonce = NULL;
-	int len = (bits - 1) / 8 + 1;
-	int i;
-
-	/* Generating random byte sequence. */
-	if (len > (int)sizeof(buf)) goto err;
-	if (RAND_bytes(buf, len) <= 0) goto err;
-
-	/* Find the first non-zero byte and creating ASN1_INTEGER object. */
-	for (i = 0; i < len && !buf[i]; ++i);
-	if (!(nonce = ASN1_INTEGER_new())) goto err;
-	OPENSSL_free(nonce->data);
-	/* Allocate at least one byte. */
-	nonce->length = len - i;
-	if (!(nonce->data = OPENSSL_malloc(nonce->length + 1))) goto err;
-	memcpy(nonce->data, buf + i, nonce->length);
-
-	return nonce;
+{
+    unsigned char buf[20];
+    ASN1_INTEGER *nonce = NULL;
+    int len = (bits - 1) / 8 + 1;
+    int i;
+
+    /* Generating random byte sequence. */
+    if (len > (int)sizeof(buf))
+        goto err;
+    if (RAND_bytes(buf, len) <= 0)
+        goto err;
+
+    /* Find the first non-zero byte and creating ASN1_INTEGER object. */
+    for (i = 0; i < len && !buf[i]; ++i) ;
+    if (!(nonce = ASN1_INTEGER_new()))
+        goto err;
+    OPENSSL_free(nonce->data);
+    /* Allocate at least one byte. */
+    nonce->length = len - i;
+    if (!(nonce->data = OPENSSL_malloc(nonce->length + 1)))
+        goto err;
+    memcpy(nonce->data, buf + i, nonce->length);
+
+    return nonce;
  err:
-	BIO_printf(bio_err, "could not create nonce\n");
-	ASN1_INTEGER_free(nonce);
-	return NULL;
-	}
+    BIO_printf(bio_err, "could not create nonce\n");
+    ASN1_INTEGER_free(nonce);
+    return NULL;
+}
+
 /*
  * Reply-related method definitions.
  */
 
-static int reply_command(CONF *conf, char *section, char *engine, 
-			 char *queryfile, char *passin, char *inkey,
-			 char *signer, char *chain, const char *policy, 
-			 char *in, int token_in,
-			 char *out, int token_out, int text)
-	{
-	int ret = 0;
-	TS_RESP *response = NULL;
-	BIO *in_bio = NULL;
-	BIO *query_bio = NULL;
-	BIO *inkey_bio = NULL;
-	BIO *signer_bio = NULL;
-	BIO *out_bio = NULL;
-
-	/* Build response object either from response or query. */
-	if (in != NULL)
-		{
-		if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
-		if (token_in)
-			{
-			/* We have a ContentInfo (PKCS7) object, add
-			   'granted' status info around it. */
-			response = read_PKCS7(in_bio);
-			}
-		else
-			{
-			/* We have a ready-made TS_RESP object. */
-			response = d2i_TS_RESP_bio(in_bio, NULL);
-			}
-		}
-	else
-		{
-		response = create_response(conf, section, engine, queryfile,
-					   passin, inkey, signer, chain,
-					   policy);
-		if (response)
-			BIO_printf(bio_err, "Response has been generated.\n");
-		else
-			BIO_printf(bio_err, "Response is not generated.\n");
-		}
-	if (response == NULL) goto end;
-
-	/* Write response either in ASN.1 or text format. */
-	if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
-		goto end;
-	if (text)
-		{
-		/* Text output. */
-		if (token_out)
-			{
-			TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
-			if (!TS_TST_INFO_print_bio(out_bio, tst_info)) goto end;
-			}
-		else
-			{
-			if (!TS_RESP_print_bio(out_bio, response)) goto end;
-			}
-		}
-	else
-		{
-		/* ASN.1 DER output. */
-		if (token_out)
-			{
-			PKCS7 *token = TS_RESP_get_token(response);
-			if (!i2d_PKCS7_bio(out_bio, token)) goto end;
-			}
-		else
-			{
-			if (!i2d_TS_RESP_bio(out_bio, response)) goto end;
-			}
-		}
-
-	ret = 1;
+static int reply_command(CONF *conf, char *section, char *engine,
+                         char *queryfile, char *passin, char *inkey,
+                         char *signer, char *chain, const char *policy,
+                         char *in, int token_in,
+                         char *out, int token_out, int text)
+{
+    int ret = 0;
+    TS_RESP *response = NULL;
+    BIO *in_bio = NULL;
+    BIO *query_bio = NULL;
+    BIO *inkey_bio = NULL;
+    BIO *signer_bio = NULL;
+    BIO *out_bio = NULL;
+
+    /* Build response object either from response or query. */
+    if (in != NULL) {
+        if ((in_bio = BIO_new_file(in, "rb")) == NULL)
+            goto end;
+        if (token_in) {
+            /*
+             * We have a ContentInfo (PKCS7) object, add 'granted' status
+             * info around it.
+             */
+            response = read_PKCS7(in_bio);
+        } else {
+            /* We have a ready-made TS_RESP object. */
+            response = d2i_TS_RESP_bio(in_bio, NULL);
+        }
+    } else {
+        response = create_response(conf, section, engine, queryfile,
+                                   passin, inkey, signer, chain, policy);
+        if (response)
+            BIO_printf(bio_err, "Response has been generated.\n");
+        else
+            BIO_printf(bio_err, "Response is not generated.\n");
+    }
+    if (response == NULL)
+        goto end;
+
+    /* Write response either in ASN.1 or text format. */
+    if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
+        goto end;
+    if (text) {
+        /* Text output. */
+        if (token_out) {
+            TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
+            if (!TS_TST_INFO_print_bio(out_bio, tst_info))
+                goto end;
+        } else {
+            if (!TS_RESP_print_bio(out_bio, response))
+                goto end;
+        }
+    } else {
+        /* ASN.1 DER output. */
+        if (token_out) {
+            PKCS7 *token = TS_RESP_get_token(response);
+            if (!i2d_PKCS7_bio(out_bio, token))
+                goto end;
+        } else {
+            if (!i2d_TS_RESP_bio(out_bio, response))
+                goto end;
+        }
+    }
+
+    ret = 1;
 
  end:
-	ERR_print_errors(bio_err);
+    ERR_print_errors(bio_err);
 
-	/* Clean up. */
-	BIO_free_all(in_bio);
-	BIO_free_all(query_bio);
-	BIO_free_all(inkey_bio);
-	BIO_free_all(signer_bio);
-	BIO_free_all(out_bio);
-	TS_RESP_free(response);
+    /* Clean up. */
+    BIO_free_all(in_bio);
+    BIO_free_all(query_bio);
+    BIO_free_all(inkey_bio);
+    BIO_free_all(signer_bio);
+    BIO_free_all(out_bio);
+    TS_RESP_free(response);
 
-	return ret;
-	}
+    return ret;
+}
 
 /* Reads a PKCS7 token and adds default 'granted' status info to it. */
 static TS_RESP *read_PKCS7(BIO *in_bio)
-	{
-	int ret = 0;
-	PKCS7 *token = NULL;
-	TS_TST_INFO *tst_info = NULL;
-	TS_RESP *resp = NULL;
-	TS_STATUS_INFO *si = NULL;
-
-	/* Read PKCS7 object and extract the signed time stamp info. */
-	if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
-	if (!(tst_info = PKCS7_to_TS_TST_INFO(token))) goto end;
-
-	/* Creating response object. */
-	if (!(resp = TS_RESP_new())) goto end;
-
-	/* Create granted status info. */
-	if (!(si = TS_STATUS_INFO_new())) goto end;
-	if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED))) goto end;
-	if (!TS_RESP_set_status_info(resp, si)) goto end;
-
-	/* Setting encapsulated token. */
-	TS_RESP_set_tst_info(resp, token, tst_info);
-	token = NULL;		/* Ownership is lost. */
-	tst_info = NULL;	/* Ownership is lost. */
-
-	ret = 1;
+{
+    int ret = 0;
+    PKCS7 *token = NULL;
+    TS_TST_INFO *tst_info = NULL;
+    TS_RESP *resp = NULL;
+    TS_STATUS_INFO *si = NULL;
+
+    /* Read PKCS7 object and extract the signed time stamp info. */
+    if (!(token = d2i_PKCS7_bio(in_bio, NULL)))
+        goto end;
+    if (!(tst_info = PKCS7_to_TS_TST_INFO(token)))
+        goto end;
+
+    /* Creating response object. */
+    if (!(resp = TS_RESP_new()))
+        goto end;
+
+    /* Create granted status info. */
+    if (!(si = TS_STATUS_INFO_new()))
+        goto end;
+    if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED)))
+        goto end;
+    if (!TS_RESP_set_status_info(resp, si))
+        goto end;
+
+    /* Setting encapsulated token. */
+    TS_RESP_set_tst_info(resp, token, tst_info);
+    token = NULL;               /* Ownership is lost. */
+    tst_info = NULL;            /* Ownership is lost. */
+
+    ret = 1;
  end:
-	PKCS7_free(token);
-	TS_TST_INFO_free(tst_info);
-	if (!ret)
-		{
-		TS_RESP_free(resp);
-		resp = NULL;
-		}
-	TS_STATUS_INFO_free(si);
-	return resp;
-	}
-
-static TS_RESP *create_response(CONF *conf, const char *section, char *engine, 
-				char *queryfile, char *passin, char *inkey,
-				char *signer, char *chain, const char *policy)
-	{
-	int ret = 0;
-	TS_RESP *response = NULL;
-	BIO *query_bio = NULL;
-	TS_RESP_CTX *resp_ctx = NULL;
-
-	if (!(query_bio = BIO_new_file(queryfile, "rb")))
-		goto end;
-
-	/* Getting TSA configuration section. */
-	if (!(section = TS_CONF_get_tsa_section(conf, section)))
-		goto end;
-
-	/* Setting up response generation context. */
-	if (!(resp_ctx = TS_RESP_CTX_new())) goto end;
-
-	/* Setting serial number provider callback. */
-	if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx)) goto end;
+    PKCS7_free(token);
+    TS_TST_INFO_free(tst_info);
+    if (!ret) {
+        TS_RESP_free(resp);
+        resp = NULL;
+    }
+    TS_STATUS_INFO_free(si);
+    return resp;
+}
+
+static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
+                                char *queryfile, char *passin, char *inkey,
+                                char *signer, char *chain, const char *policy)
+{
+    int ret = 0;
+    TS_RESP *response = NULL;
+    BIO *query_bio = NULL;
+    TS_RESP_CTX *resp_ctx = NULL;
+
+    if (!(query_bio = BIO_new_file(queryfile, "rb")))
+        goto end;
+
+    /* Getting TSA configuration section. */
+    if (!(section = TS_CONF_get_tsa_section(conf, section)))
+        goto end;
+
+    /* Setting up response generation context. */
+    if (!(resp_ctx = TS_RESP_CTX_new()))
+        goto end;
+
+    /* Setting serial number provider callback. */
+    if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx))
+        goto end;
 #ifndef OPENSSL_NO_ENGINE
-	/* Setting default OpenSSL engine. */
-	if (!TS_CONF_set_crypto_device(conf, section, engine)) goto end;
+    /* Setting default OpenSSL engine. */
+    if (!TS_CONF_set_crypto_device(conf, section, engine))
+        goto end;
 #endif
 
-	/* Setting TSA signer certificate. */
-	if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx)) goto end;
+    /* Setting TSA signer certificate. */
+    if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx))
+        goto end;
 
-	/* Setting TSA signer certificate chain. */
-	if (!TS_CONF_set_certs(conf, section, chain, resp_ctx)) goto end;
+    /* Setting TSA signer certificate chain. */
+    if (!TS_CONF_set_certs(conf, section, chain, resp_ctx))
+        goto end;
 
-	/* Setting TSA signer private key. */
-	if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
-		goto end;
+    /* Setting TSA signer private key. */
+    if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
+        goto end;
 
-	/* Setting default policy OID. */
-	if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx)) goto end;
+    /* Setting default policy OID. */
+    if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx))
+        goto end;
 
-	/* Setting acceptable policy OIDs. */
-	if (!TS_CONF_set_policies(conf, section, resp_ctx)) goto end;
+    /* Setting acceptable policy OIDs. */
+    if (!TS_CONF_set_policies(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting the acceptable one-way hash algorithms. */
-	if (!TS_CONF_set_digests(conf, section, resp_ctx)) goto end;
+    /* Setting the acceptable one-way hash algorithms. */
+    if (!TS_CONF_set_digests(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting guaranteed time stamp accuracy. */
-	if (!TS_CONF_set_accuracy(conf, section, resp_ctx)) goto end;
+    /* Setting guaranteed time stamp accuracy. */
+    if (!TS_CONF_set_accuracy(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting the precision of the time. */
-	if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
-		goto end;
+    /* Setting the precision of the time. */
+    if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting the ordering flaf if requested. */
-	if (!TS_CONF_set_ordering(conf, section, resp_ctx)) goto end;
+    /* Setting the ordering flaf if requested. */
+    if (!TS_CONF_set_ordering(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting the TSA name required flag if requested. */
-	if (!TS_CONF_set_tsa_name(conf, section, resp_ctx)) goto end;
+    /* Setting the TSA name required flag if requested. */
+    if (!TS_CONF_set_tsa_name(conf, section, resp_ctx))
+        goto end;
 
-	/* Setting the ESS cert id chain flag if requested. */
-	if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx)) goto end;
+    /* Setting the ESS cert id chain flag if requested. */
+    if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx))
+        goto end;
 
-	/* Creating the response. */
-	if (!(response = TS_RESP_create_response(resp_ctx, query_bio)))
-		goto end;
+    /* Creating the response. */
+    if (!(response = TS_RESP_create_response(resp_ctx, query_bio)))
+        goto end;
 
-	ret = 1;
+    ret = 1;
  end:
-	if (!ret) 
-		{
-		TS_RESP_free(response);
-		response = NULL;
-		}
-	TS_RESP_CTX_free(resp_ctx);
-	BIO_free_all(query_bio);
-
-	return response;
-	}
-
-static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data)
-	{
-	const char *serial_file = (const char *) data;
-	ASN1_INTEGER *serial = next_serial(serial_file);
-
-	if (!serial)
-		{
-		TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
-					    "Error during serial number "
-					    "generation.");
-		TS_RESP_CTX_add_failure_info(ctx,
-					     TS_INFO_ADD_INFO_NOT_AVAILABLE);
-		}
-	else
-		save_ts_serial(serial_file, serial);
-
-	return serial;
-	}
+    if (!ret) {
+        TS_RESP_free(response);
+        response = NULL;
+    }
+    TS_RESP_CTX_free(resp_ctx);
+    BIO_free_all(query_bio);
+
+    return response;
+}
+
+static ASN1_INTEGER *MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data)
+{
+    const char *serial_file = (const char *)data;
+    ASN1_INTEGER *serial = next_serial(serial_file);
+
+    if (!serial) {
+        TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
+                                    "Error during serial number "
+                                    "generation.");
+        TS_RESP_CTX_add_failure_info(ctx, TS_INFO_ADD_INFO_NOT_AVAILABLE);
+    } else
+        save_ts_serial(serial_file, serial);
+
+    return serial;
+}
 
 static ASN1_INTEGER *next_serial(const char *serialfile)
-	{
-	int ret = 0;
-	BIO *in = NULL;
-	ASN1_INTEGER *serial = NULL;
-	BIGNUM *bn = NULL;
-
-	if (!(serial = ASN1_INTEGER_new())) goto err;
-
-	if (!(in = BIO_new_file(serialfile, "r"))) 
-		{
-		ERR_clear_error();
-		BIO_printf(bio_err, "Warning: could not open file %s for "
-			   "reading, using serial number: 1\n", serialfile);
-		if (!ASN1_INTEGER_set(serial, 1)) goto err;
-		}
-	else
-		{
-		char buf[1024];
-		if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf)))
-			{
-			BIO_printf(bio_err, "unable to load number from %s\n",
-				   serialfile);
-			goto err;
-			}
-		if (!(bn = ASN1_INTEGER_to_BN(serial, NULL))) goto err;
-		ASN1_INTEGER_free(serial);
-		serial = NULL;
-		if (!BN_add_word(bn, 1)) goto err;
-		if (!(serial = BN_to_ASN1_INTEGER(bn, NULL))) goto err;
-		}
-	ret = 1;
+{
+    int ret = 0;
+    BIO *in = NULL;
+    ASN1_INTEGER *serial = NULL;
+    BIGNUM *bn = NULL;
+
+    if (!(serial = ASN1_INTEGER_new()))
+        goto err;
+
+    if (!(in = BIO_new_file(serialfile, "r"))) {
+        ERR_clear_error();
+        BIO_printf(bio_err, "Warning: could not open file %s for "
+                   "reading, using serial number: 1\n", serialfile);
+        if (!ASN1_INTEGER_set(serial, 1))
+            goto err;
+    } else {
+        char buf[1024];
+        if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) {
+            BIO_printf(bio_err, "unable to load number from %s\n",
+                       serialfile);
+            goto err;
+        }
+        if (!(bn = ASN1_INTEGER_to_BN(serial, NULL)))
+            goto err;
+        ASN1_INTEGER_free(serial);
+        serial = NULL;
+        if (!BN_add_word(bn, 1))
+            goto err;
+        if (!(serial = BN_to_ASN1_INTEGER(bn, NULL)))
+            goto err;
+    }
+    ret = 1;
  err:
-	if (!ret)
-		{
-		ASN1_INTEGER_free(serial);
-		serial = NULL;
-		}
-	BIO_free_all(in);
-	BN_free(bn);
-	return serial;
-	}
+    if (!ret) {
+        ASN1_INTEGER_free(serial);
+        serial = NULL;
+    }
+    BIO_free_all(in);
+    BN_free(bn);
+    return serial;
+}
 
 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial)
-	{
-	int ret = 0;
-	BIO *out = NULL;
-
-	if (!(out = BIO_new_file(serialfile, "w"))) goto err;
-	if (i2a_ASN1_INTEGER(out, serial) <= 0) goto err;
-	if (BIO_puts(out, "\n") <= 0) goto err;
-	ret = 1;
+{
+    int ret = 0;
+    BIO *out = NULL;
+
+    if (!(out = BIO_new_file(serialfile, "w")))
+        goto err;
+    if (i2a_ASN1_INTEGER(out, serial) <= 0)
+        goto err;
+    if (BIO_puts(out, "\n") <= 0)
+        goto err;
+    ret = 1;
  err:
-	if (!ret)
-		BIO_printf(bio_err, "could not save serial number to %s\n",
-			   serialfile);
-	BIO_free_all(out);
-	return ret;
-	}
+    if (!ret)
+        BIO_printf(bio_err, "could not save serial number to %s\n",
+                   serialfile);
+    BIO_free_all(out);
+    return ret;
+}
 
 /*
  * Verify-related method definitions.
  */
 
 static int verify_command(char *data, char *digest, char *queryfile,
-			  char *in, int token_in,
-			  char *ca_path, char *ca_file, char *untrusted)
-	{
-	BIO *in_bio = NULL;
-	PKCS7 *token = NULL;
-	TS_RESP *response = NULL;
-	TS_VERIFY_CTX *verify_ctx = NULL;
-	int ret = 0;
-
-	/* Decode the token (PKCS7) or response (TS_RESP) files. */
-	if (!(in_bio = BIO_new_file(in, "rb"))) goto end;
-	if (token_in)
-		{
-		if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
-		}
-	else
-		{
-		if (!(response = d2i_TS_RESP_bio(in_bio, NULL))) goto end;
-		}
-
-	if (!(verify_ctx = create_verify_ctx(data, digest, queryfile, 
-					     ca_path, ca_file, untrusted)))
-		goto end;
-
-	/* Checking the token or response against the request. */
-	ret = token_in ?
-		TS_RESP_verify_token(verify_ctx, token) :
-		TS_RESP_verify_response(verify_ctx, response);
+                          char *in, int token_in,
+                          char *ca_path, char *ca_file, char *untrusted)
+{
+    BIO *in_bio = NULL;
+    PKCS7 *token = NULL;
+    TS_RESP *response = NULL;
+    TS_VERIFY_CTX *verify_ctx = NULL;
+    int ret = 0;
+
+    /* Decode the token (PKCS7) or response (TS_RESP) files. */
+    if (!(in_bio = BIO_new_file(in, "rb")))
+        goto end;
+    if (token_in) {
+        if (!(token = d2i_PKCS7_bio(in_bio, NULL)))
+            goto end;
+    } else {
+        if (!(response = d2i_TS_RESP_bio(in_bio, NULL)))
+            goto end;
+    }
+
+    if (!(verify_ctx = create_verify_ctx(data, digest, queryfile,
+                                         ca_path, ca_file, untrusted)))
+        goto end;
+
+    /* Checking the token or response against the request. */
+    ret = token_in ?
+        TS_RESP_verify_token(verify_ctx, token) :
+        TS_RESP_verify_response(verify_ctx, response);
 
  end:
-	printf("Verification: ");
-	if (ret)
-		printf("OK\n");
-	else
-		{
-		printf("FAILED\n");
-		/* Print errors, if there are any. */
-		ERR_print_errors(bio_err);
-		}
-	
-	/* Clean up. */
-	BIO_free_all(in_bio);
-	PKCS7_free(token);
-	TS_RESP_free(response);
-	TS_VERIFY_CTX_free(verify_ctx);
-	return ret;
-	}
-
-static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, 
-					char *queryfile, 
-					char *ca_path, char *ca_file,
-					char *untrusted)
-	{
-	TS_VERIFY_CTX *ctx = NULL;
-	BIO *input = NULL;
-	TS_REQ *request = NULL;
-	int ret = 0;
-
-	if (data != NULL || digest != NULL)
-		{
-		if (!(ctx = TS_VERIFY_CTX_new())) goto err;
-		ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER;
-		if (data != NULL)
-			{
-			ctx->flags |= TS_VFY_DATA;
-			if (!(ctx->data = BIO_new_file(data, "rb"))) goto err;
-			}
-		else if (digest != NULL)
-			{
-			long imprint_len;
-			ctx->flags |= TS_VFY_IMPRINT;
-			if (!(ctx->imprint = string_to_hex(digest,
-							   &imprint_len)))
-				{
-				BIO_printf(bio_err, "invalid digest string\n");
-				goto err;
-				}
-			ctx->imprint_len = imprint_len;
-			}
-		
-		}
-	else if (queryfile != NULL)
-		{
-		/* The request has just to be read, decoded and converted to
-		   a verify context object. */
-		if (!(input = BIO_new_file(queryfile, "rb"))) goto err;
-		if (!(request = d2i_TS_REQ_bio(input, NULL))) goto err;
-		if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL))) goto err;
-		}
-	else
-		return NULL;
-
-	/* Add the signature verification flag and arguments. */
-	ctx->flags |= TS_VFY_SIGNATURE;
-
-	/* Initialising the X509_STORE object. */
-	if (!(ctx->store = create_cert_store(ca_path, ca_file))) goto err;
-
-	/* Loading untrusted certificates. */
-	if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted))) 
-		goto err;
-
-	ret = 1;
+    printf("Verification: ");
+    if (ret)
+        printf("OK\n");
+    else {
+        printf("FAILED\n");
+        /* Print errors, if there are any. */
+        ERR_print_errors(bio_err);
+    }
+
+    /* Clean up. */
+    BIO_free_all(in_bio);
+    PKCS7_free(token);
+    TS_RESP_free(response);
+    TS_VERIFY_CTX_free(verify_ctx);
+    return ret;
+}
+
+static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
+                                        char *queryfile,
+                                        char *ca_path, char *ca_file,
+                                        char *untrusted)
+{
+    TS_VERIFY_CTX *ctx = NULL;
+    BIO *input = NULL;
+    TS_REQ *request = NULL;
+    int ret = 0;
+
+    if (data != NULL || digest != NULL) {
+        if (!(ctx = TS_VERIFY_CTX_new()))
+            goto err;
+        ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER;
+        if (data != NULL) {
+            ctx->flags |= TS_VFY_DATA;
+            if (!(ctx->data = BIO_new_file(data, "rb")))
+                goto err;
+        } else if (digest != NULL) {
+            long imprint_len;
+            ctx->flags |= TS_VFY_IMPRINT;
+            if (!(ctx->imprint = string_to_hex(digest, &imprint_len))) {
+                BIO_printf(bio_err, "invalid digest string\n");
+                goto err;
+            }
+            ctx->imprint_len = imprint_len;
+        }
+
+    } else if (queryfile != NULL) {
+        /*
+         * The request has just to be read, decoded and converted to a verify
+         * context object.
+         */
+        if (!(input = BIO_new_file(queryfile, "rb")))
+            goto err;
+        if (!(request = d2i_TS_REQ_bio(input, NULL)))
+            goto err;
+        if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL)))
+            goto err;
+    } else
+        return NULL;
+
+    /* Add the signature verification flag and arguments. */
+    ctx->flags |= TS_VFY_SIGNATURE;
+
+    /* Initialising the X509_STORE object. */
+    if (!(ctx->store = create_cert_store(ca_path, ca_file)))
+        goto err;
+
+    /* Loading untrusted certificates. */
+    if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted)))
+        goto err;
+
+    ret = 1;
  err:
-	if (!ret)
-		{
-		TS_VERIFY_CTX_free(ctx);
-		ctx = NULL;
-		}
-	BIO_free_all(input);
-	TS_REQ_free(request);
-	return ctx;
-	}
+    if (!ret) {
+        TS_VERIFY_CTX_free(ctx);
+        ctx = NULL;
+    }
+    BIO_free_all(input);
+    TS_REQ_free(request);
+    return ctx;
+}
 
 static X509_STORE *create_cert_store(char *ca_path, char *ca_file)
-	{
-	X509_STORE *cert_ctx = NULL;
-	X509_LOOKUP *lookup = NULL;
-	int i;
-
-	/* Creating the X509_STORE object. */
-	cert_ctx = X509_STORE_new();
-
-	/* Setting the callback for certificate chain verification. */
-	X509_STORE_set_verify_cb(cert_ctx, verify_cb);
-
-	/* Adding a trusted certificate directory source. */
-	if (ca_path)
-		{
-		lookup = X509_STORE_add_lookup(cert_ctx,
-					       X509_LOOKUP_hash_dir());
-		if (lookup == NULL)
-			{
-			BIO_printf(bio_err, "memory allocation failure\n");
-			goto err;
-			}
-		i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM);
-		if (!i)
-			{
-			BIO_printf(bio_err, "Error loading directory %s\n",
-				   ca_path);
-			goto err;
-			}
-		}
-
-	/* Adding a trusted certificate file source. */
-	if (ca_file)
-		{
-		lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
-		if (lookup == NULL)
-			{
-			BIO_printf(bio_err, "memory allocation failure\n");
-			goto err;
-			}
-		i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM);
-		if (!i)
-			{
-			BIO_printf(bio_err, "Error loading file %s\n", ca_file);
-			goto err;
-			}
-		}
-
-	return cert_ctx;
+{
+    X509_STORE *cert_ctx = NULL;
+    X509_LOOKUP *lookup = NULL;
+    int i;
+
+    /* Creating the X509_STORE object. */
+    cert_ctx = X509_STORE_new();
+
+    /* Setting the callback for certificate chain verification. */
+    X509_STORE_set_verify_cb(cert_ctx, verify_cb);
+
+    /* Adding a trusted certificate directory source. */
+    if (ca_path) {
+        lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
+        if (lookup == NULL) {
+            BIO_printf(bio_err, "memory allocation failure\n");
+            goto err;
+        }
+        i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM);
+        if (!i) {
+            BIO_printf(bio_err, "Error loading directory %s\n", ca_path);
+            goto err;
+        }
+    }
+
+    /* Adding a trusted certificate file source. */
+    if (ca_file) {
+        lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
+        if (lookup == NULL) {
+            BIO_printf(bio_err, "memory allocation failure\n");
+            goto err;
+        }
+        i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM);
+        if (!i) {
+            BIO_printf(bio_err, "Error loading file %s\n", ca_file);
+            goto err;
+        }
+    }
+
+    return cert_ctx;
  err:
-	X509_STORE_free(cert_ctx);
-	return NULL;
-	}
+    X509_STORE_free(cert_ctx);
+    return NULL;
+}
 
 static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx)
-	{
-	/*
-	char buf[256];
-
-	if (!ok)
-		{
-		X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),
-				  buf, sizeof(buf));
-		printf("%s\n", buf);
-		printf("error %d at %d depth lookup: %s\n",
-		       ctx->error, ctx->error_depth,
-			X509_verify_cert_error_string(ctx->error));
-		}
-	*/
-
-	return ok;
-	}
+{
+    /*-
+    char buf[256];
+
+    if (!ok)
+            {
+            X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),
+                              buf, sizeof(buf));
+            printf("%s\n", buf);
+            printf("error %d at %d depth lookup: %s\n",
+                   ctx->error, ctx->error_depth,
+                    X509_verify_cert_error_string(ctx->error));
+            }
+    */
+
+    return ok;
+}