--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/tsrc/topenssl/src/engine.c Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,544 @@
+/* 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).
+ *
+ */
+
+#ifndef OPENSSL_NO_ENGINE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#endif
+#include "apps.h"
+#include <openssl/err.h>
+#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(void *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)
+ {
+ if(started)
+ {
+ BIO_printf(bio_out, "|");
+ err = 1;
+ }
+ 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 *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_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_printf(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_printf(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_pop_free(cmds, identity);
+ if(name) OPENSSL_free(name);
+ if(desc) OPENSSL_free(desc);
+ return ret;
+ }
+
+static void util_do_cmds(ENGINE *e, STACK *cmds, BIO *bio_out, const char *indent)
+ {
+ int loop, res, num = sk_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_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 *engines = sk_new_null();
+ STACK *pre_cmds = sk_new_null();
+ STACK *post_cmds = sk_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_push(pre_cmds,*argv);
+ }
+ else if (strcmp(*argv,"-post") == 0)
+ {
+ argc--; argv++;
+ if (argc == 0)
+ goto skip_arg_loop;
+ sk_push(post_cmds,*argv);
+ }
+ else if ((strncmp(*argv,"-h",2) == 0) ||
+ (strcmp(*argv,"-?") == 0))
+ goto skip_arg_loop;
+ else
+ sk_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_num(engines) == 0)
+ {
+ for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e))
+ {
+ sk_push(engines,(char *)ENGINE_get_id(e));
+ }
+ }
+
+ for (i=0; i<sk_num(engines); i++)
+ {
+ const char *id = sk_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;
+
+ 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:
+ 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_pop_free(engines, identity);
+ sk_pop_free(pre_cmds, identity);
+ sk_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