zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/conf/conf_mod.c b/ap/lib/libssl/openssl-1.1.1o/crypto/conf/conf_mod.c
new file mode 100644
index 0000000..e703d97
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/conf/conf_mod.c
@@ -0,0 +1,551 @@
+/*
+ * Copyright 2002-2019 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 "internal/cryptlib.h"
+#include <stdio.h>
+#include <ctype.h>
+#include <openssl/crypto.h>
+#include "internal/conf.h"
+#include "internal/dso.h"
+#include <openssl/x509.h>
+
+#define DSO_mod_init_name "OPENSSL_init"
+#define DSO_mod_finish_name "OPENSSL_finish"
+
+/*
+ * This structure contains a data about supported modules. entries in this
+ * table correspond to either dynamic or static modules.
+ */
+
+struct conf_module_st {
+ /* DSO of this module or NULL if static */
+ DSO *dso;
+ /* Name of the module */
+ char *name;
+ /* Init function */
+ conf_init_func *init;
+ /* Finish function */
+ conf_finish_func *finish;
+ /* Number of successfully initialized modules */
+ int links;
+ void *usr_data;
+};
+
+/*
+ * This structure contains information about modules that have been
+ * successfully initialized. There may be more than one entry for a given
+ * module.
+ */
+
+struct conf_imodule_st {
+ CONF_MODULE *pmod;
+ char *name;
+ char *value;
+ unsigned long flags;
+ void *usr_data;
+};
+
+static STACK_OF(CONF_MODULE) *supported_modules = NULL;
+static STACK_OF(CONF_IMODULE) *initialized_modules = NULL;
+
+static void module_free(CONF_MODULE *md);
+static void module_finish(CONF_IMODULE *imod);
+static int module_run(const CONF *cnf, const char *name, const char *value,
+ unsigned long flags);
+static CONF_MODULE *module_add(DSO *dso, const char *name,
+ conf_init_func *ifunc,
+ conf_finish_func *ffunc);
+static CONF_MODULE *module_find(const char *name);
+static int module_init(CONF_MODULE *pmod, const char *name, const char *value,
+ const CONF *cnf);
+static CONF_MODULE *module_load_dso(const CONF *cnf, const char *name,
+ const char *value);
+
+/* Main function: load modules from a CONF structure */
+
+int CONF_modules_load(const CONF *cnf, const char *appname,
+ unsigned long flags)
+{
+ STACK_OF(CONF_VALUE) *values;
+ CONF_VALUE *vl;
+ char *vsection = NULL;
+
+ int ret, i;
+
+ if (!cnf)
+ return 1;
+
+ if (appname)
+ vsection = NCONF_get_string(cnf, NULL, appname);
+
+ if (!appname || (!vsection && (flags & CONF_MFLAGS_DEFAULT_SECTION)))
+ vsection = NCONF_get_string(cnf, NULL, "openssl_conf");
+
+ if (!vsection) {
+ ERR_clear_error();
+ return 1;
+ }
+
+ values = NCONF_get_section(cnf, vsection);
+
+ if (!values)
+ return 0;
+
+ for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
+ vl = sk_CONF_VALUE_value(values, i);
+ ret = module_run(cnf, vl->name, vl->value, flags);
+ if (ret <= 0)
+ if (!(flags & CONF_MFLAGS_IGNORE_ERRORS))
+ return ret;
+ }
+
+ return 1;
+
+}
+
+int CONF_modules_load_file(const char *filename, const char *appname,
+ unsigned long flags)
+{
+ char *file = NULL;
+ CONF *conf = NULL;
+ int ret = 0;
+ conf = NCONF_new(NULL);
+ if (conf == NULL)
+ goto err;
+
+ if (filename == NULL) {
+ file = CONF_get1_default_config_file();
+ if (!file)
+ goto err;
+ } else
+ file = (char *)filename;
+
+ if (NCONF_load(conf, file, NULL) <= 0) {
+ if ((flags & CONF_MFLAGS_IGNORE_MISSING_FILE) &&
+ (ERR_GET_REASON(ERR_peek_last_error()) == CONF_R_NO_SUCH_FILE)) {
+ ERR_clear_error();
+ ret = 1;
+ }
+ goto err;
+ }
+
+ ret = CONF_modules_load(conf, appname, flags);
+
+ err:
+ if (filename == NULL)
+ OPENSSL_free(file);
+ NCONF_free(conf);
+
+ if (flags & CONF_MFLAGS_IGNORE_RETURN_CODES)
+ return 1;
+
+ return ret;
+}
+
+static int module_run(const CONF *cnf, const char *name, const char *value,
+ unsigned long flags)
+{
+ CONF_MODULE *md;
+ int ret;
+
+ md = module_find(name);
+
+ /* Module not found: try to load DSO */
+ if (!md && !(flags & CONF_MFLAGS_NO_DSO))
+ md = module_load_dso(cnf, name, value);
+
+ if (!md) {
+ if (!(flags & CONF_MFLAGS_SILENT)) {
+ CONFerr(CONF_F_MODULE_RUN, CONF_R_UNKNOWN_MODULE_NAME);
+ ERR_add_error_data(2, "module=", name);
+ }
+ return -1;
+ }
+
+ ret = module_init(md, name, value, cnf);
+
+ if (ret <= 0) {
+ if (!(flags & CONF_MFLAGS_SILENT)) {
+ char rcode[DECIMAL_SIZE(ret) + 1];
+
+ CONFerr(CONF_F_MODULE_RUN, CONF_R_MODULE_INITIALIZATION_ERROR);
+ BIO_snprintf(rcode, sizeof(rcode), "%-8d", ret);
+ ERR_add_error_data(6, "module=", name, ", value=", value,
+ ", retcode=", rcode);
+ }
+ }
+
+ return ret;
+}
+
+/* Load a module from a DSO */
+static CONF_MODULE *module_load_dso(const CONF *cnf,
+ const char *name, const char *value)
+{
+ DSO *dso = NULL;
+ conf_init_func *ifunc;
+ conf_finish_func *ffunc;
+ const char *path = NULL;
+ int errcode = 0;
+ CONF_MODULE *md;
+ /* Look for alternative path in module section */
+ path = NCONF_get_string(cnf, value, "path");
+ if (!path) {
+ ERR_clear_error();
+ path = name;
+ }
+ dso = DSO_load(NULL, path, NULL, 0);
+ if (!dso) {
+ errcode = CONF_R_ERROR_LOADING_DSO;
+ goto err;
+ }
+ ifunc = (conf_init_func *)DSO_bind_func(dso, DSO_mod_init_name);
+ if (!ifunc) {
+ errcode = CONF_R_MISSING_INIT_FUNCTION;
+ goto err;
+ }
+ ffunc = (conf_finish_func *)DSO_bind_func(dso, DSO_mod_finish_name);
+ /* All OK, add module */
+ md = module_add(dso, name, ifunc, ffunc);
+
+ if (!md)
+ goto err;
+
+ return md;
+
+ err:
+ DSO_free(dso);
+ CONFerr(CONF_F_MODULE_LOAD_DSO, errcode);
+ ERR_add_error_data(4, "module=", name, ", path=", path);
+ return NULL;
+}
+
+/* add module to list */
+static CONF_MODULE *module_add(DSO *dso, const char *name,
+ conf_init_func *ifunc, conf_finish_func *ffunc)
+{
+ CONF_MODULE *tmod = NULL;
+ if (supported_modules == NULL)
+ supported_modules = sk_CONF_MODULE_new_null();
+ if (supported_modules == NULL)
+ return NULL;
+ if ((tmod = OPENSSL_zalloc(sizeof(*tmod))) == NULL) {
+ CONFerr(CONF_F_MODULE_ADD, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ tmod->dso = dso;
+ tmod->name = OPENSSL_strdup(name);
+ tmod->init = ifunc;
+ tmod->finish = ffunc;
+ if (tmod->name == NULL) {
+ OPENSSL_free(tmod);
+ return NULL;
+ }
+
+ if (!sk_CONF_MODULE_push(supported_modules, tmod)) {
+ OPENSSL_free(tmod->name);
+ OPENSSL_free(tmod);
+ return NULL;
+ }
+
+ return tmod;
+}
+
+/*
+ * Find a module from the list. We allow module names of the form
+ * modname.XXXX to just search for modname to allow the same module to be
+ * initialized more than once.
+ */
+
+static CONF_MODULE *module_find(const char *name)
+{
+ CONF_MODULE *tmod;
+ int i, nchar;
+ char *p;
+ p = strrchr(name, '.');
+
+ if (p)
+ nchar = p - name;
+ else
+ nchar = strlen(name);
+
+ for (i = 0; i < sk_CONF_MODULE_num(supported_modules); i++) {
+ tmod = sk_CONF_MODULE_value(supported_modules, i);
+ if (strncmp(tmod->name, name, nchar) == 0)
+ return tmod;
+ }
+
+ return NULL;
+
+}
+
+/* initialize a module */
+static int module_init(CONF_MODULE *pmod, const char *name, const char *value,
+ const CONF *cnf)
+{
+ int ret = 1;
+ int init_called = 0;
+ CONF_IMODULE *imod = NULL;
+
+ /* Otherwise add initialized module to list */
+ imod = OPENSSL_malloc(sizeof(*imod));
+ if (imod == NULL)
+ goto err;
+
+ imod->pmod = pmod;
+ imod->name = OPENSSL_strdup(name);
+ imod->value = OPENSSL_strdup(value);
+ imod->usr_data = NULL;
+
+ if (!imod->name || !imod->value)
+ goto memerr;
+
+ /* Try to initialize module */
+ if (pmod->init) {
+ ret = pmod->init(imod, cnf);
+ init_called = 1;
+ /* Error occurred, exit */
+ if (ret <= 0)
+ goto err;
+ }
+
+ if (initialized_modules == NULL) {
+ initialized_modules = sk_CONF_IMODULE_new_null();
+ if (!initialized_modules) {
+ CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
+
+ if (!sk_CONF_IMODULE_push(initialized_modules, imod)) {
+ CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ pmod->links++;
+
+ return ret;
+
+ err:
+
+ /* We've started the module so we'd better finish it */
+ if (pmod->finish && init_called)
+ pmod->finish(imod);
+
+ memerr:
+ if (imod) {
+ OPENSSL_free(imod->name);
+ OPENSSL_free(imod->value);
+ OPENSSL_free(imod);
+ }
+
+ return -1;
+
+}
+
+/*
+ * Unload any dynamic modules that have a link count of zero: i.e. have no
+ * active initialized modules. If 'all' is set then all modules are unloaded
+ * including static ones.
+ */
+
+void CONF_modules_unload(int all)
+{
+ int i;
+ CONF_MODULE *md;
+ CONF_modules_finish();
+ /* unload modules in reverse order */
+ for (i = sk_CONF_MODULE_num(supported_modules) - 1; i >= 0; i--) {
+ md = sk_CONF_MODULE_value(supported_modules, i);
+ /* If static or in use and 'all' not set ignore it */
+ if (((md->links > 0) || !md->dso) && !all)
+ continue;
+ /* Since we're working in reverse this is OK */
+ (void)sk_CONF_MODULE_delete(supported_modules, i);
+ module_free(md);
+ }
+ if (sk_CONF_MODULE_num(supported_modules) == 0) {
+ sk_CONF_MODULE_free(supported_modules);
+ supported_modules = NULL;
+ }
+}
+
+/* unload a single module */
+static void module_free(CONF_MODULE *md)
+{
+ DSO_free(md->dso);
+ OPENSSL_free(md->name);
+ OPENSSL_free(md);
+}
+
+/* finish and free up all modules instances */
+
+void CONF_modules_finish(void)
+{
+ CONF_IMODULE *imod;
+ while (sk_CONF_IMODULE_num(initialized_modules) > 0) {
+ imod = sk_CONF_IMODULE_pop(initialized_modules);
+ module_finish(imod);
+ }
+ sk_CONF_IMODULE_free(initialized_modules);
+ initialized_modules = NULL;
+}
+
+/* finish a module instance */
+
+static void module_finish(CONF_IMODULE *imod)
+{
+ if (!imod)
+ return;
+ if (imod->pmod->finish)
+ imod->pmod->finish(imod);
+ imod->pmod->links--;
+ OPENSSL_free(imod->name);
+ OPENSSL_free(imod->value);
+ OPENSSL_free(imod);
+}
+
+/* Add a static module to OpenSSL */
+
+int CONF_module_add(const char *name, conf_init_func *ifunc,
+ conf_finish_func *ffunc)
+{
+ if (module_add(NULL, name, ifunc, ffunc))
+ return 1;
+ else
+ return 0;
+}
+
+void conf_modules_free_int(void)
+{
+ CONF_modules_finish();
+ CONF_modules_unload(1);
+}
+
+/* Utility functions */
+
+const char *CONF_imodule_get_name(const CONF_IMODULE *md)
+{
+ return md->name;
+}
+
+const char *CONF_imodule_get_value(const CONF_IMODULE *md)
+{
+ return md->value;
+}
+
+void *CONF_imodule_get_usr_data(const CONF_IMODULE *md)
+{
+ return md->usr_data;
+}
+
+void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data)
+{
+ md->usr_data = usr_data;
+}
+
+CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md)
+{
+ return md->pmod;
+}
+
+unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md)
+{
+ return md->flags;
+}
+
+void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags)
+{
+ md->flags = flags;
+}
+
+void *CONF_module_get_usr_data(CONF_MODULE *pmod)
+{
+ return pmod->usr_data;
+}
+
+void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data)
+{
+ pmod->usr_data = usr_data;
+}
+
+/* Return default config file name */
+
+char *CONF_get1_default_config_file(void)
+{
+ char *file, *sep = "";
+ int len;
+
+ if ((file = ossl_safe_getenv("OPENSSL_CONF")) != NULL)
+ return OPENSSL_strdup(file);
+
+ len = strlen(X509_get_default_cert_area());
+#ifndef OPENSSL_SYS_VMS
+ len++;
+ sep = "/";
+#endif
+ len += strlen(OPENSSL_CONF);
+
+ file = OPENSSL_malloc(len + 1);
+
+ if (file == NULL)
+ return NULL;
+ BIO_snprintf(file, len + 1, "%s%s%s", X509_get_default_cert_area(),
+ sep, OPENSSL_CONF);
+
+ return file;
+}
+
+/*
+ * This function takes a list separated by 'sep' and calls the callback
+ * function giving the start and length of each member optionally stripping
+ * leading and trailing whitespace. This can be used to parse comma separated
+ * lists for example.
+ */
+
+int CONF_parse_list(const char *list_, int sep, int nospc,
+ int (*list_cb) (const char *elem, int len, void *usr),
+ void *arg)
+{
+ int ret;
+ const char *lstart, *tmpend, *p;
+
+ if (list_ == NULL) {
+ CONFerr(CONF_F_CONF_PARSE_LIST, CONF_R_LIST_CANNOT_BE_NULL);
+ return 0;
+ }
+
+ lstart = list_;
+ for (;;) {
+ if (nospc) {
+ while (*lstart && isspace((unsigned char)*lstart))
+ lstart++;
+ }
+ p = strchr(lstart, sep);
+ if (p == lstart || !*lstart)
+ ret = list_cb(NULL, 0, arg);
+ else {
+ if (p)
+ tmpend = p - 1;
+ else
+ tmpend = lstart + strlen(lstart) - 1;
+ if (nospc) {
+ while (isspace((unsigned char)*tmpend))
+ tmpend--;
+ }
+ ret = list_cb(lstart, tmpend - lstart + 1, arg);
+ }
+ if (ret <= 0)
+ return ret;
+ if (p == NULL)
+ return 1;
+ lstart = p + 1;
+ }
+}