summaryrefslogtreecommitdiff
path: root/main/openssl/crypto/engine/eng_ctrl.c
diff options
context:
space:
mode:
authorArne Schwabe <arne@rfc2549.org>2015-04-15 00:17:26 +0200
committerArne Schwabe <arne@rfc2549.org>2015-04-15 00:20:23 +0200
commitc3ae4aaac9f0b168aed063d3e86c5196608eaba1 (patch)
tree1a18e7d8751d4dd3682d82d12c8441b335112984 /main/openssl/crypto/engine/eng_ctrl.c
parent5e42114d22faefe7c272b1b498fdf5640da494c7 (diff)
Move more to git, add submodules, fix build script, change hgignore to gitignore
Diffstat (limited to 'main/openssl/crypto/engine/eng_ctrl.c')
m---------main/openssl0
-rw-r--r--main/openssl/crypto/engine/eng_ctrl.c389
2 files changed, 0 insertions, 389 deletions
diff --git a/main/openssl b/main/openssl
new file mode 160000
+Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51
diff --git a/main/openssl/crypto/engine/eng_ctrl.c b/main/openssl/crypto/engine/eng_ctrl.c
deleted file mode 100644
index 5ce25d92..00000000
--- a/main/openssl/crypto/engine/eng_ctrl.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/* crypto/engine/eng_ctrl.c */
-/* ====================================================================
- * Copyright (c) 1999-2001 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 "eng_int.h"
-
-/* When querying a ENGINE-specific control command's 'description', this string
- * is used if the ENGINE_CMD_DEFN has cmd_desc set to NULL. */
-static const char *int_no_description = "";
-
-/* These internal functions handle 'CMD'-related control commands when the
- * ENGINE in question has asked us to take care of it (ie. the ENGINE did not
- * set the ENGINE_FLAGS_MANUAL_CMD_CTRL flag. */
-
-static int int_ctrl_cmd_is_null(const ENGINE_CMD_DEFN *defn)
- {
- if((defn->cmd_num == 0) || (defn->cmd_name == NULL))
- return 1;
- return 0;
- }
-
-static int int_ctrl_cmd_by_name(const ENGINE_CMD_DEFN *defn, const char *s)
- {
- int idx = 0;
- while(!int_ctrl_cmd_is_null(defn) && (strcmp(defn->cmd_name, s) != 0))
- {
- idx++;
- defn++;
- }
- if(int_ctrl_cmd_is_null(defn))
- /* The given name wasn't found */
- return -1;
- return idx;
- }
-
-static int int_ctrl_cmd_by_num(const ENGINE_CMD_DEFN *defn, unsigned int num)
- {
- int idx = 0;
- /* NB: It is stipulated that 'cmd_defn' lists are ordered by cmd_num. So
- * our searches don't need to take any longer than necessary. */
- while(!int_ctrl_cmd_is_null(defn) && (defn->cmd_num < num))
- {
- idx++;
- defn++;
- }
- if(defn->cmd_num == num)
- return idx;
- /* The given cmd_num wasn't found */
- return -1;
- }
-
-static int int_ctrl_helper(ENGINE *e, int cmd, long i, void *p,
- void (*f)(void))
- {
- int idx;
- char *s = (char *)p;
- /* Take care of the easy one first (eg. it requires no searches) */
- if(cmd == ENGINE_CTRL_GET_FIRST_CMD_TYPE)
- {
- if((e->cmd_defns == NULL) || int_ctrl_cmd_is_null(e->cmd_defns))
- return 0;
- return e->cmd_defns->cmd_num;
- }
- /* One or two commands require that "p" be a valid string buffer */
- if((cmd == ENGINE_CTRL_GET_CMD_FROM_NAME) ||
- (cmd == ENGINE_CTRL_GET_NAME_FROM_CMD) ||
- (cmd == ENGINE_CTRL_GET_DESC_FROM_CMD))
- {
- if(s == NULL)
- {
- ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
- ERR_R_PASSED_NULL_PARAMETER);
- return -1;
- }
- }
- /* Now handle cmd_name -> cmd_num conversion */
- if(cmd == ENGINE_CTRL_GET_CMD_FROM_NAME)
- {
- if((e->cmd_defns == NULL) || ((idx = int_ctrl_cmd_by_name(
- e->cmd_defns, s)) < 0))
- {
- ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
- ENGINE_R_INVALID_CMD_NAME);
- return -1;
- }
- return e->cmd_defns[idx].cmd_num;
- }
- /* For the rest of the commands, the 'long' argument must specify a
- * valie command number - so we need to conduct a search. */
- if((e->cmd_defns == NULL) || ((idx = int_ctrl_cmd_by_num(e->cmd_defns,
- (unsigned int)i)) < 0))
- {
- ENGINEerr(ENGINE_F_INT_CTRL_HELPER,
- ENGINE_R_INVALID_CMD_NUMBER);
- return -1;
- }
- /* Now the logic splits depending on command type */
- switch(cmd)
- {
- case ENGINE_CTRL_GET_NEXT_CMD_TYPE:
- idx++;
- if(int_ctrl_cmd_is_null(e->cmd_defns + idx))
- /* end-of-list */
- return 0;
- else
- return e->cmd_defns[idx].cmd_num;
- case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
- return strlen(e->cmd_defns[idx].cmd_name);
- case ENGINE_CTRL_GET_NAME_FROM_CMD:
- return BIO_snprintf(s,strlen(e->cmd_defns[idx].cmd_name) + 1,
- "%s", e->cmd_defns[idx].cmd_name);
- case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
- if(e->cmd_defns[idx].cmd_desc)
- return strlen(e->cmd_defns[idx].cmd_desc);
- return strlen(int_no_description);
- case ENGINE_CTRL_GET_DESC_FROM_CMD:
- if(e->cmd_defns[idx].cmd_desc)
- return BIO_snprintf(s,
- strlen(e->cmd_defns[idx].cmd_desc) + 1,
- "%s", e->cmd_defns[idx].cmd_desc);
- return BIO_snprintf(s, strlen(int_no_description) + 1,"%s",
- int_no_description);
- case ENGINE_CTRL_GET_CMD_FLAGS:
- return e->cmd_defns[idx].cmd_flags;
- }
- /* Shouldn't really be here ... */
- ENGINEerr(ENGINE_F_INT_CTRL_HELPER,ENGINE_R_INTERNAL_LIST_ERROR);
- return -1;
- }
-
-int ENGINE_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
- {
- int ctrl_exists, ref_exists;
- if(e == NULL)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL,ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- ref_exists = ((e->struct_ref > 0) ? 1 : 0);
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- ctrl_exists = ((e->ctrl == NULL) ? 0 : 1);
- if(!ref_exists)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_REFERENCE);
- return 0;
- }
- /* Intercept any "root-level" commands before trying to hand them on to
- * ctrl() handlers. */
- switch(cmd)
- {
- case ENGINE_CTRL_HAS_CTRL_FUNCTION:
- return ctrl_exists;
- case ENGINE_CTRL_GET_FIRST_CMD_TYPE:
- case ENGINE_CTRL_GET_NEXT_CMD_TYPE:
- case ENGINE_CTRL_GET_CMD_FROM_NAME:
- case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
- case ENGINE_CTRL_GET_NAME_FROM_CMD:
- case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
- case ENGINE_CTRL_GET_DESC_FROM_CMD:
- case ENGINE_CTRL_GET_CMD_FLAGS:
- if(ctrl_exists && !(e->flags & ENGINE_FLAGS_MANUAL_CMD_CTRL))
- return int_ctrl_helper(e,cmd,i,p,f);
- if(!ctrl_exists)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_CONTROL_FUNCTION);
- /* For these cmd-related functions, failure is indicated
- * by a -1 return value (because 0 is used as a valid
- * return in some places). */
- return -1;
- }
- default:
- break;
- }
- /* Anything else requires a ctrl() handler to exist. */
- if(!ctrl_exists)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL,ENGINE_R_NO_CONTROL_FUNCTION);
- return 0;
- }
- return e->ctrl(e, cmd, i, p, f);
- }
-
-int ENGINE_cmd_is_executable(ENGINE *e, int cmd)
- {
- int flags;
- if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, cmd, NULL, NULL)) < 0)
- {
- ENGINEerr(ENGINE_F_ENGINE_CMD_IS_EXECUTABLE,
- ENGINE_R_INVALID_CMD_NUMBER);
- return 0;
- }
- if(!(flags & ENGINE_CMD_FLAG_NO_INPUT) &&
- !(flags & ENGINE_CMD_FLAG_NUMERIC) &&
- !(flags & ENGINE_CMD_FLAG_STRING))
- return 0;
- return 1;
- }
-
-int ENGINE_ctrl_cmd(ENGINE *e, const char *cmd_name,
- long i, void *p, void (*f)(void), int cmd_optional)
- {
- int num;
-
- if((e == NULL) || (cmd_name == NULL))
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- if((e->ctrl == NULL) || ((num = ENGINE_ctrl(e,
- ENGINE_CTRL_GET_CMD_FROM_NAME,
- 0, (void *)cmd_name, NULL)) <= 0))
- {
- /* If the command didn't *have* to be supported, we fake
- * success. This allows certain settings to be specified for
- * multiple ENGINEs and only require a change of ENGINE id
- * (without having to selectively apply settings). Eg. changing
- * from a hardware device back to the regular software ENGINE
- * without editing the config file, etc. */
- if(cmd_optional)
- {
- ERR_clear_error();
- return 1;
- }
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD,
- ENGINE_R_INVALID_CMD_NAME);
- return 0;
- }
- /* Force the result of the control command to 0 or 1, for the reasons
- * mentioned before. */
- if (ENGINE_ctrl(e, num, i, p, f) > 0)
- return 1;
- return 0;
- }
-
-int ENGINE_ctrl_cmd_string(ENGINE *e, const char *cmd_name, const char *arg,
- int cmd_optional)
- {
- int num, flags;
- long l;
- char *ptr;
- if((e == NULL) || (cmd_name == NULL))
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- if((e->ctrl == NULL) || ((num = ENGINE_ctrl(e,
- ENGINE_CTRL_GET_CMD_FROM_NAME,
- 0, (void *)cmd_name, NULL)) <= 0))
- {
- /* If the command didn't *have* to be supported, we fake
- * success. This allows certain settings to be specified for
- * multiple ENGINEs and only require a change of ENGINE id
- * (without having to selectively apply settings). Eg. changing
- * from a hardware device back to the regular software ENGINE
- * without editing the config file, etc. */
- if(cmd_optional)
- {
- ERR_clear_error();
- return 1;
- }
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_INVALID_CMD_NAME);
- return 0;
- }
- if(!ENGINE_cmd_is_executable(e, num))
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_CMD_NOT_EXECUTABLE);
- return 0;
- }
- if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num, NULL, NULL)) < 0)
- {
- /* Shouldn't happen, given that ENGINE_cmd_is_executable()
- * returned success. */
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_INTERNAL_LIST_ERROR);
- return 0;
- }
- /* If the command takes no input, there must be no input. And vice
- * versa. */
- if(flags & ENGINE_CMD_FLAG_NO_INPUT)
- {
- if(arg != NULL)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_COMMAND_TAKES_NO_INPUT);
- return 0;
- }
- /* We deliberately force the result of ENGINE_ctrl() to 0 or 1
- * rather than returning it as "return data". This is to ensure
- * usage of these commands is consistent across applications and
- * that certain applications don't understand it one way, and
- * others another. */
- if(ENGINE_ctrl(e, num, 0, (void *)arg, NULL) > 0)
- return 1;
- return 0;
- }
- /* So, we require input */
- if(arg == NULL)
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_COMMAND_TAKES_INPUT);
- return 0;
- }
- /* If it takes string input, that's easy */
- if(flags & ENGINE_CMD_FLAG_STRING)
- {
- /* Same explanation as above */
- if(ENGINE_ctrl(e, num, 0, (void *)arg, NULL) > 0)
- return 1;
- return 0;
- }
- /* If it doesn't take numeric either, then it is unsupported for use in
- * a config-setting situation, which is what this function is for. This
- * should never happen though, because ENGINE_cmd_is_executable() was
- * used. */
- if(!(flags & ENGINE_CMD_FLAG_NUMERIC))
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_INTERNAL_LIST_ERROR);
- return 0;
- }
- l = strtol(arg, &ptr, 10);
- if((arg == ptr) || (*ptr != '\0'))
- {
- ENGINEerr(ENGINE_F_ENGINE_CTRL_CMD_STRING,
- ENGINE_R_ARGUMENT_IS_NOT_A_NUMBER);
- return 0;
- }
- /* Force the result of the control command to 0 or 1, for the reasons
- * mentioned before. */
- if(ENGINE_ctrl(e, num, l, NULL, NULL) > 0)
- return 1;
- return 0;
- }