zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_ctrl.c b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_ctrl.c
new file mode 100644
index 0000000..e65e784
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_ctrl.c
@@ -0,0 +1,330 @@
+/*
+ * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "eng_local.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;
+ const ENGINE_CMD_DEFN *cdp;
+
+ /* 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 valid
+ * 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 */
+ cdp = &e->cmd_defns[idx];
+ switch (cmd) {
+ case ENGINE_CTRL_GET_NEXT_CMD_TYPE:
+ cdp++;
+ return int_ctrl_cmd_is_null(cdp) ? 0 : cdp->cmd_num;
+ case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
+ return strlen(cdp->cmd_name);
+ case ENGINE_CTRL_GET_NAME_FROM_CMD:
+ return strlen(strcpy(s, cdp->cmd_name));
+ case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
+ return strlen(cdp->cmd_desc == NULL ? int_no_description
+ : cdp->cmd_desc);
+ case ENGINE_CTRL_GET_DESC_FROM_CMD:
+ return strlen(strcpy(s, cdp->cmd_desc == NULL ? int_no_description
+ : cdp->cmd_desc));
+ case ENGINE_CTRL_GET_CMD_FLAGS:
+ return cdp->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_THREAD_write_lock(global_engine_lock);
+ ref_exists = ((e->struct_ref > 0) ? 1 : 0);
+ CRYPTO_THREAD_unlock(global_engine_lock);
+ 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;
+ }
+
+ flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num, NULL, NULL);
+ if (flags < 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;
+}