diff options
Diffstat (limited to 'openssl-1.1.0h/ssl/ssl_mcnf.c')
| -rw-r--r-- | openssl-1.1.0h/ssl/ssl_mcnf.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/openssl-1.1.0h/ssl/ssl_mcnf.c b/openssl-1.1.0h/ssl/ssl_mcnf.c new file mode 100644 index 0000000..c2d9dba --- /dev/null +++ b/openssl-1.1.0h/ssl/ssl_mcnf.c @@ -0,0 +1,199 @@ +/* + * Copyright 2015-2016 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 <stdio.h> +#include <openssl/conf.h> +#include <openssl/ssl.h> +#include "ssl_locl.h" + +/* SSL library configuration module. */ + +struct ssl_conf_name { + /* Name of this set of commands */ + char *name; + /* List of commands */ + struct ssl_conf_cmd *cmds; + /* Number of commands */ + size_t cmd_count; +}; + +struct ssl_conf_cmd { + /* Command */ + char *cmd; + /* Argument */ + char *arg; +}; + +static struct ssl_conf_name *ssl_names; +static size_t ssl_names_count; + +static void ssl_module_free(CONF_IMODULE *md) +{ + size_t i, j; + if (ssl_names == NULL) + return; + for (i = 0; i < ssl_names_count; i++) { + struct ssl_conf_name *tname = ssl_names + i; + OPENSSL_free(tname->name); + for (j = 0; j < tname->cmd_count; j++) { + OPENSSL_free(tname->cmds[j].cmd); + OPENSSL_free(tname->cmds[j].arg); + } + OPENSSL_free(tname->cmds); + } + OPENSSL_free(ssl_names); + ssl_names = NULL; + ssl_names_count = 0; +} + +static int ssl_module_init(CONF_IMODULE *md, const CONF *cnf) +{ + size_t i, j, cnt; + int rv = 0; + const char *ssl_conf_section; + STACK_OF(CONF_VALUE) *cmd_lists; + ssl_conf_section = CONF_imodule_get_value(md); + cmd_lists = NCONF_get_section(cnf, ssl_conf_section); + if (sk_CONF_VALUE_num(cmd_lists) <= 0) { + if (cmd_lists == NULL) + SSLerr(SSL_F_SSL_MODULE_INIT, SSL_R_SSL_SECTION_NOT_FOUND); + else + SSLerr(SSL_F_SSL_MODULE_INIT, SSL_R_SSL_SECTION_EMPTY); + ERR_add_error_data(2, "section=", ssl_conf_section); + goto err; + } + cnt = sk_CONF_VALUE_num(cmd_lists); + ssl_names = OPENSSL_zalloc(sizeof(*ssl_names) * cnt); + ssl_names_count = cnt; + for (i = 0; i < ssl_names_count; i++) { + struct ssl_conf_name *ssl_name = ssl_names + i; + CONF_VALUE *sect = sk_CONF_VALUE_value(cmd_lists, i); + STACK_OF(CONF_VALUE) *cmds = NCONF_get_section(cnf, sect->value); + if (sk_CONF_VALUE_num(cmds) <= 0) { + if (cmds == NULL) + SSLerr(SSL_F_SSL_MODULE_INIT, + SSL_R_SSL_COMMAND_SECTION_NOT_FOUND); + else + SSLerr(SSL_F_SSL_MODULE_INIT, SSL_R_SSL_COMMAND_SECTION_EMPTY); + ERR_add_error_data(4, "name=", sect->name, ", value=", sect->value); + goto err; + } + ssl_name->name = BUF_strdup(sect->name); + if (ssl_name->name == NULL) + goto err; + cnt = sk_CONF_VALUE_num(cmds); + ssl_name->cmds = OPENSSL_zalloc(cnt * sizeof(struct ssl_conf_cmd)); + if (ssl_name->cmds == NULL) + goto err; + ssl_name->cmd_count = cnt; + for (j = 0; j < cnt; j++) { + const char *name; + CONF_VALUE *cmd_conf = sk_CONF_VALUE_value(cmds, j); + struct ssl_conf_cmd *cmd = ssl_name->cmds + j; + /* Skip any initial dot in name */ + name = strchr(cmd_conf->name, '.'); + if (name != NULL) + name++; + else + name = cmd_conf->name; + cmd->cmd = BUF_strdup(name); + cmd->arg = BUF_strdup(cmd_conf->value); + if (cmd->cmd == NULL || cmd->arg == NULL) + goto err; + } + + } + rv = 1; + err: + if (rv == 0) + ssl_module_free(md); + return rv; +} + +void SSL_add_ssl_module(void) +{ + CONF_module_add("ssl_conf", ssl_module_init, ssl_module_free); +} + +static const struct ssl_conf_name *ssl_name_find(const char *name) +{ + size_t i; + const struct ssl_conf_name *nm; + if (name == NULL) + return NULL; + for (i = 0, nm = ssl_names; i < ssl_names_count; i++, nm++) { + if (strcmp(nm->name, name) == 0) + return nm; + } + return NULL; +} + +static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name) +{ + SSL_CONF_CTX *cctx = NULL; + size_t i; + int rv = 0; + unsigned int flags; + const SSL_METHOD *meth; + const struct ssl_conf_name *nm; + struct ssl_conf_cmd *cmd; + if (s == NULL && ctx == NULL) { + SSLerr(SSL_F_SSL_DO_CONFIG, ERR_R_PASSED_NULL_PARAMETER); + goto err; + } + nm = ssl_name_find(name); + if (nm == NULL) { + SSLerr(SSL_F_SSL_DO_CONFIG, SSL_R_INVALID_CONFIGURATION_NAME); + ERR_add_error_data(2, "name=", name); + goto err; + } + cctx = SSL_CONF_CTX_new(); + if (cctx == NULL) + goto err; + flags = SSL_CONF_FLAG_FILE; + flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE; + if (s != NULL) { + meth = s->method; + SSL_CONF_CTX_set_ssl(cctx, s); + } else { + meth = ctx->method; + SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); + } + if (meth->ssl_accept != ssl_undefined_function) + flags |= SSL_CONF_FLAG_SERVER; + if (meth->ssl_connect != ssl_undefined_function) + flags |= SSL_CONF_FLAG_CLIENT; + SSL_CONF_CTX_set_flags(cctx, flags); + for (i = 0, cmd = nm->cmds; i < nm->cmd_count; i++, cmd++) { + rv = SSL_CONF_cmd(cctx, cmd->cmd, cmd->arg); + if (rv <= 0) { + if (rv == -2) + SSLerr(SSL_F_SSL_DO_CONFIG, SSL_R_UNKNOWN_COMMAND); + else + SSLerr(SSL_F_SSL_DO_CONFIG, SSL_R_BAD_VALUE); + ERR_add_error_data(6, "section=", name, ", cmd=", cmd->cmd, + ", arg=", cmd->arg); + goto err; + } + } + rv = SSL_CONF_CTX_finish(cctx); + err: + SSL_CONF_CTX_free(cctx); + return rv <= 0 ? 0 : 1; +} + +int SSL_config(SSL *s, const char *name) +{ + return ssl_do_config(s, NULL, name); +} + +int SSL_CTX_config(SSL_CTX *ctx, const char *name) +{ + return ssl_do_config(NULL, ctx, name); +} |