Delete bundled copy of OpenSSL and replace with README.

openssl/apps/engine.c

Index: openssl/apps/engine.c
diff --git a/openssl/apps/engine.c b/openssl/apps/engine.c
deleted file mode 100644
index 9a0294398e83a1f554019b002647d6c485832256..0000000000000000000000000000000000000000
--- a/openssl/apps/engine.c
+++ /dev/null
@@ -1,549 +0,0 @@
-/* apps/engine.c -*- mode: C; c-file-style: "eay" -*- */
-/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    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
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifdef OPENSSL_NO_STDIO
-#define APPS_WIN16
-#endif
-#include "apps.h"
-#include <openssl/err.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#include <openssl/ssl.h>
-
-#undef PROG
-#define PROG	engine_main
-
-static const char *engine_usage[]={
-"usage: engine opts [engine ...]\n",
-" -v[v[v[v]]] - verbose mode, for each engine, list its 'control commands'\n",
-"               -vv will additionally display each command's description\n",
-"               -vvv will also add the input flags for each command\n",
-"               -vvvv will also show internal input flags\n",
-" -c          - for each engine, also list the capabilities\n",
-" -t[t]       - for each engine, check that they are really available\n",
-"               -tt will display error trace for unavailable engines\n",
-" -pre <cmd>  - runs command 'cmd' against the ENGINE before any attempts\n",
-"               to load it (if -t is used)\n",
-" -post <cmd> - runs command 'cmd' against the ENGINE after loading it\n",
-"               (only used if -t is also provided)\n",
-" NB: -pre and -post will be applied to all ENGINEs supplied on the command\n",
-" line, or all supported ENGINEs if none are specified.\n",
-" Eg. '-pre \"SO_PATH:/lib/libdriver.so\"' calls command \"SO_PATH\" with\n",
-" argument \"/lib/libdriver.so\".\n",
-NULL
-};
-
-static void identity(char *ptr)
-	{
-	return;
-	}
-
-static int append_buf(char **buf, const char *s, int *size, int step)
-	{
-	int l = strlen(s);
-
-	if (*buf == NULL)
-		{
-		*size = step;
-		*buf = OPENSSL_malloc(*size);
-		if (*buf == NULL)
-			return 0;
-		**buf = '\0';
-		}
-
-	if (**buf != '\0')
-		l += 2;		/* ", " */
-
-	if (strlen(*buf) + strlen(s) >= (unsigned int)*size)
-		{
-		*size += step;
-		*buf = OPENSSL_realloc(*buf, *size);
-		}
-
-	if (*buf == NULL)
-		return 0;
-
-	if (**buf != '\0')
-		BUF_strlcat(*buf, ", ", *size);
-	BUF_strlcat(*buf, s, *size);
-
-	return 1;
-	}
-
-static int util_flags(BIO *bio_out, unsigned int flags, const char *indent)
-	{
-	int started = 0, err = 0;
-	/* Indent before displaying input flags */
-	BIO_printf(bio_out, "%s%s(input flags): ", indent, indent);
-	if(flags == 0)
-		{
-		BIO_printf(bio_out, "<no flags>\n");
-		return 1;
-		}
-        /* If the object is internal, mark it in a way that shows instead of
-         * having it part of all the other flags, even if it really is. */
-	if(flags & ENGINE_CMD_FLAG_INTERNAL)
-		{
-		BIO_printf(bio_out, "[Internal] ");
-		}
-
-	if(flags & ENGINE_CMD_FLAG_NUMERIC)
-		{
-		BIO_printf(bio_out, "NUMERIC");
-		started = 1;
-		}
-	/* Now we check that no combinations of the mutually exclusive NUMERIC,
-	 * STRING, and NO_INPUT flags have been used. Future flags that can be
-	 * OR'd together with these would need to added after these to preserve
-	 * the testing logic. */
-	if(flags & ENGINE_CMD_FLAG_STRING)
-		{
-		if(started)
-			{
-			BIO_printf(bio_out, "|");
-			err = 1;
-			}
-		BIO_printf(bio_out, "STRING");
-		started = 1;
-		}
-	if(flags & ENGINE_CMD_FLAG_NO_INPUT)
-		{
-		if(started)
-			{
-			BIO_printf(bio_out, "|");
-			err = 1;
-			}
-		BIO_printf(bio_out, "NO_INPUT");
-		started = 1;
-		}
-	/* Check for unknown flags */
-	flags = flags & ~ENGINE_CMD_FLAG_NUMERIC &
-			~ENGINE_CMD_FLAG_STRING &
-			~ENGINE_CMD_FLAG_NO_INPUT &
-			~ENGINE_CMD_FLAG_INTERNAL;
-	if(flags)
-		{
-		if(started) BIO_printf(bio_out, "|");
-		BIO_printf(bio_out, "<0x%04X>", flags);
-		}
-	if(err)
-		BIO_printf(bio_out, "  <illegal flags!>");
-	BIO_printf(bio_out, "\n");
-	return 1;
-	}
-
-static int util_verbose(ENGINE *e, int verbose, BIO *bio_out, const char *indent)
-	{
-	static const int line_wrap = 78;
-	int num;
-	int ret = 0;
-	char *name = NULL;
-	char *desc = NULL;
-	int flags;
-	int xpos = 0;
-	STACK_OF(OPENSSL_STRING) *cmds = NULL;
-	if(!ENGINE_ctrl(e, ENGINE_CTRL_HAS_CTRL_FUNCTION, 0, NULL, NULL) ||
-			((num = ENGINE_ctrl(e, ENGINE_CTRL_GET_FIRST_CMD_TYPE,
-					0, NULL, NULL)) <= 0))
-		{
-#if 0
-		BIO_printf(bio_out, "%s<no control commands>\n", indent);
-#endif
-		return 1;
-		}
-
-	cmds = sk_OPENSSL_STRING_new_null();
-
-	if(!cmds)
-		goto err;
-	do {
-		int len;
-		/* Get the command input flags */
-		if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num,
-					NULL, NULL)) < 0)
-			goto err;
-                if (!(flags & ENGINE_CMD_FLAG_INTERNAL) || verbose >= 4)
-                        {
-                        /* Get the command name */
-                        if((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_LEN_FROM_CMD, num,
-                                NULL, NULL)) <= 0)
-                                goto err;
-                        if((name = OPENSSL_malloc(len + 1)) == NULL)
-                                goto err;
-                        if(ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_FROM_CMD, num, name,
-                                NULL) <= 0)
-                                goto err;
-                        /* Get the command description */
-                        if((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_LEN_FROM_CMD, num,
-                                NULL, NULL)) < 0)
-                                goto err;
-                        if(len > 0)
-                                {
-                                if((desc = OPENSSL_malloc(len + 1)) == NULL)
-                                        goto err;
-                                if(ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_FROM_CMD, num, desc,
-                                        NULL) <= 0)
-                                        goto err;
-                                }
-                        /* Now decide on the output */
-                        if(xpos == 0)
-                                /* Do an indent */
-                                xpos = BIO_puts(bio_out, indent);
-                        else
-                                /* Otherwise prepend a ", " */
-                                xpos += BIO_printf(bio_out, ", ");
-                        if(verbose == 1)
-                                {
-                                /* We're just listing names, comma-delimited */
-                                if((xpos > (int)strlen(indent)) &&
-					(xpos + (int)strlen(name) > line_wrap))
-                                        {
-                                        BIO_printf(bio_out, "\n");
-                                        xpos = BIO_puts(bio_out, indent);
-                                        }
-                                xpos += BIO_printf(bio_out, "%s", name);
-                                }
-                        else
-                                {
-                                /* We're listing names plus descriptions */
-                                BIO_printf(bio_out, "%s: %s\n", name,
-                                        (desc == NULL) ? "<no description>" : desc);
-                                /* ... and sometimes input flags */
-                                if((verbose >= 3) && !util_flags(bio_out, flags,
-                                        indent))
-                                        goto err;
-                                xpos = 0;
-                                }
-                        }
-		OPENSSL_free(name); name = NULL;
-		if(desc) { OPENSSL_free(desc); desc = NULL; }
-		/* Move to the next command */
-		num = ENGINE_ctrl(e, ENGINE_CTRL_GET_NEXT_CMD_TYPE,
-					num, NULL, NULL);
-		} while(num > 0);
-	if(xpos > 0)
-		BIO_printf(bio_out, "\n");
-	ret = 1;
-err:
-	if(cmds) sk_OPENSSL_STRING_pop_free(cmds, identity);
-	if(name) OPENSSL_free(name);
-	if(desc) OPENSSL_free(desc);
-	return ret;
-	}
-
-static void util_do_cmds(ENGINE *e, STACK_OF(OPENSSL_STRING) *cmds,
-			BIO *bio_out, const char *indent)
-	{
-	int loop, res, num = sk_OPENSSL_STRING_num(cmds);
-
-	if(num < 0)
-		{
-		BIO_printf(bio_out, "[Error]: internal stack error\n");
-		return;
-		}
-	for(loop = 0; loop < num; loop++)
-		{
-		char buf[256];
-		const char *cmd, *arg;
-		cmd = sk_OPENSSL_STRING_value(cmds, loop);
-		res = 1; /* assume success */
-		/* Check if this command has no ":arg" */
-		if((arg = strstr(cmd, ":")) == NULL)
-			{
-			if(!ENGINE_ctrl_cmd_string(e, cmd, NULL, 0))
-				res = 0;
-			}
-		else
-			{
-			if((int)(arg - cmd) > 254)
-				{
-				BIO_printf(bio_out,"[Error]: command name too long\n");
-				return;
-				}
-			memcpy(buf, cmd, (int)(arg - cmd));
-			buf[arg-cmd] = '\0';
-			arg++; /* Move past the ":" */
-			/* Call the command with the argument */
-			if(!ENGINE_ctrl_cmd_string(e, buf, arg, 0))
-				res = 0;
-			}
-		if(res)
-			BIO_printf(bio_out, "[Success]: %s\n", cmd);
-		else
-			{
-			BIO_printf(bio_out, "[Failure]: %s\n", cmd);
-			ERR_print_errors(bio_out);
-			}
-		}
-	}
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	int ret=1,i;
-	const char **pp;
-	int verbose=0, list_cap=0, test_avail=0, test_avail_noise = 0;
-	ENGINE *e;
-	STACK_OF(OPENSSL_STRING) *engines = sk_OPENSSL_STRING_new_null();
-	STACK_OF(OPENSSL_STRING) *pre_cmds = sk_OPENSSL_STRING_new_null();
-	STACK_OF(OPENSSL_STRING) *post_cmds = sk_OPENSSL_STRING_new_null();
-	int badops=1;
-	BIO *bio_out=NULL;
-	const char *indent = "     ";
-
-	apps_startup();
-	SSL_load_error_strings();
-
-	if (bio_err == NULL)
-		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
-
-	if (!load_config(bio_err, NULL))
-		goto end;
-	bio_out=BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
-	{
-	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-	bio_out = BIO_push(tmpbio, bio_out);
-	}
-#endif
-
-	argc--;
-	argv++;
-	while (argc >= 1)
-		{
-		if (strncmp(*argv,"-v",2) == 0)
-			{
-			if(strspn(*argv + 1, "v") < strlen(*argv + 1))
-				goto skip_arg_loop;
-			if((verbose=strlen(*argv + 1)) > 4)
-				goto skip_arg_loop;
-			}
-		else if (strcmp(*argv,"-c") == 0)
-			list_cap=1;
-		else if (strncmp(*argv,"-t",2) == 0)
-			{
-			test_avail=1;
-			if(strspn(*argv + 1, "t") < strlen(*argv + 1))
-				goto skip_arg_loop;
-			if((test_avail_noise = strlen(*argv + 1) - 1) > 1)
-				goto skip_arg_loop;
-			}
-		else if (strcmp(*argv,"-pre") == 0)
-			{
-			argc--; argv++;
-			if (argc == 0)
-				goto skip_arg_loop;
-			sk_OPENSSL_STRING_push(pre_cmds,*argv);
-			}
-		else if (strcmp(*argv,"-post") == 0)
-			{
-			argc--; argv++;
-			if (argc == 0)
-				goto skip_arg_loop;
-			sk_OPENSSL_STRING_push(post_cmds,*argv);
-			}
-		else if ((strncmp(*argv,"-h",2) == 0) ||
-				(strcmp(*argv,"-?") == 0))
-			goto skip_arg_loop;
-		else
-			sk_OPENSSL_STRING_push(engines,*argv);
-		argc--;
-		argv++;
-		}
-	/* Looks like everything went OK */
-	badops = 0;
-skip_arg_loop:
-
-	if (badops)
-		{
-		for (pp=engine_usage; (*pp != NULL); pp++)
-			BIO_printf(bio_err,"%s",*pp);
-		goto end;
-		}
-
-	if (sk_OPENSSL_STRING_num(engines) == 0)
-		{
-		for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e))
-			{
-			sk_OPENSSL_STRING_push(engines,(char *)ENGINE_get_id(e));
-			}
-		}
-
-	for (i=0; i<sk_OPENSSL_STRING_num(engines); i++)
-		{
-		const char *id = sk_OPENSSL_STRING_value(engines,i);
-		if ((e = ENGINE_by_id(id)) != NULL)
-			{
-			const char *name = ENGINE_get_name(e);
-			/* Do "id" first, then "name". Easier to auto-parse. */
-			BIO_printf(bio_out, "(%s) %s\n", id, name);
-			util_do_cmds(e, pre_cmds, bio_out, indent);
-			if (strcmp(ENGINE_get_id(e), id) != 0)
-				{
-				BIO_printf(bio_out, "Loaded: (%s) %s\n",
-					ENGINE_get_id(e), ENGINE_get_name(e));
-				}
-			if (list_cap)
-				{
-				int cap_size = 256;
-				char *cap_buf = NULL;
-				int k,n;
-				const int *nids;
-				ENGINE_CIPHERS_PTR fn_c;
-				ENGINE_DIGESTS_PTR fn_d;
-				ENGINE_PKEY_METHS_PTR fn_pk;
-
-				if (ENGINE_get_RSA(e) != NULL
-					&& !append_buf(&cap_buf, "RSA",
-						&cap_size, 256))
-					goto end;
-				if (ENGINE_get_DSA(e) != NULL
-					&& !append_buf(&cap_buf, "DSA",
-						&cap_size, 256))
-					goto end;
-				if (ENGINE_get_DH(e) != NULL
-					&& !append_buf(&cap_buf, "DH",
-						&cap_size, 256))
-					goto end;
-				if (ENGINE_get_RAND(e) != NULL
-					&& !append_buf(&cap_buf, "RAND",
-						&cap_size, 256))
-					goto end;
-
-				fn_c = ENGINE_get_ciphers(e);
-				if(!fn_c) goto skip_ciphers;
-				n = fn_c(e, NULL, &nids, 0);
-				for(k=0 ; k < n ; ++k)
-					if(!append_buf(&cap_buf,
-						       OBJ_nid2sn(nids[k]),
-						       &cap_size, 256))
-						goto end;
-
-skip_ciphers:
-				fn_d = ENGINE_get_digests(e);
-				if(!fn_d) goto skip_digests;
-				n = fn_d(e, NULL, &nids, 0);
-				for(k=0 ; k < n ; ++k)
-					if(!append_buf(&cap_buf,
-						       OBJ_nid2sn(nids[k]),
-						       &cap_size, 256))
-						goto end;
-
-skip_digests:
-				fn_pk = ENGINE_get_pkey_meths(e);
-				if(!fn_pk) goto skip_pmeths;
-				n = fn_pk(e, NULL, &nids, 0);
-				for(k=0 ; k < n ; ++k)
-					if(!append_buf(&cap_buf,
-						       OBJ_nid2sn(nids[k]),
-						       &cap_size, 256))
-						goto end;
-skip_pmeths:
-				if (cap_buf && (*cap_buf != '\0'))
-					BIO_printf(bio_out, " [%s]\n", cap_buf);
-
-				OPENSSL_free(cap_buf);
-				}
-			if(test_avail)
-				{
-				BIO_printf(bio_out, "%s", indent);
-				if (ENGINE_init(e))
-					{
-					BIO_printf(bio_out, "[ available ]\n");
-					util_do_cmds(e, post_cmds, bio_out, indent);
-					ENGINE_finish(e);
-					}
-				else
-					{
-					BIO_printf(bio_out, "[ unavailable ]\n");
-					if(test_avail_noise)
-						ERR_print_errors_fp(stdout);
-					ERR_clear_error();
-					}
-				}
-			if((verbose > 0) && !util_verbose(e, verbose, bio_out, indent))
-				goto end;
-			ENGINE_free(e);
-			}
-		else
-			ERR_print_errors(bio_err);
-		}
-
-	ret=0;
-end:
-
-	ERR_print_errors(bio_err);
-	sk_OPENSSL_STRING_pop_free(engines, identity);
-	sk_OPENSSL_STRING_pop_free(pre_cmds, identity);
-	sk_OPENSSL_STRING_pop_free(post_cmds, identity);
-	if (bio_out != NULL) BIO_free_all(bio_out);
-	apps_shutdown();
-	OPENSSL_EXIT(ret);
-	}
-#else
-
-# if PEDANTIC
-static void *dummy=&dummy;
-# endif
-
-#endif