mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
414 lines
9.4 KiB
C
414 lines
9.4 KiB
C
/*
|
|
* Copyright 2000-2019 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 "e_os.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "internal/conf.h"
|
|
#include "internal/ctype.h"
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/conf.h>
|
|
#include <openssl/conf_api.h>
|
|
#include <openssl/lhash.h>
|
|
|
|
static CONF_METHOD *default_CONF_method = NULL;
|
|
|
|
/* Init a 'CONF' structure from an old LHASH */
|
|
|
|
void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
|
|
{
|
|
if (default_CONF_method == NULL)
|
|
default_CONF_method = NCONF_default();
|
|
|
|
default_CONF_method->init(conf);
|
|
conf->data = hash;
|
|
}
|
|
|
|
/*
|
|
* The following section contains the "CONF classic" functions, rewritten in
|
|
* terms of the new CONF interface.
|
|
*/
|
|
|
|
int CONF_set_default_method(CONF_METHOD *meth)
|
|
{
|
|
default_CONF_method = meth;
|
|
return 1;
|
|
}
|
|
|
|
LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
|
|
long *eline)
|
|
{
|
|
LHASH_OF(CONF_VALUE) *ltmp;
|
|
BIO *in = NULL;
|
|
|
|
#ifdef OPENSSL_SYS_VMS
|
|
in = BIO_new_file(file, "r");
|
|
#else
|
|
in = BIO_new_file(file, "rb");
|
|
#endif
|
|
if (in == NULL) {
|
|
CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
|
|
return NULL;
|
|
}
|
|
|
|
ltmp = CONF_load_bio(conf, in, eline);
|
|
BIO_free(in);
|
|
|
|
return ltmp;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
|
|
long *eline)
|
|
{
|
|
BIO *btmp;
|
|
LHASH_OF(CONF_VALUE) *ltmp;
|
|
if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
|
|
CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB);
|
|
return NULL;
|
|
}
|
|
ltmp = CONF_load_bio(conf, btmp, eline);
|
|
BIO_free(btmp);
|
|
return ltmp;
|
|
}
|
|
#endif
|
|
|
|
LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
|
|
long *eline)
|
|
{
|
|
CONF ctmp;
|
|
int ret;
|
|
|
|
CONF_set_nconf(&ctmp, conf);
|
|
|
|
ret = NCONF_load_bio(&ctmp, bp, eline);
|
|
if (ret)
|
|
return ctmp.data;
|
|
return NULL;
|
|
}
|
|
|
|
STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
|
|
const char *section)
|
|
{
|
|
if (conf == NULL) {
|
|
return NULL;
|
|
} else {
|
|
CONF ctmp;
|
|
CONF_set_nconf(&ctmp, conf);
|
|
return NCONF_get_section(&ctmp, section);
|
|
}
|
|
}
|
|
|
|
char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
|
|
const char *name)
|
|
{
|
|
if (conf == NULL) {
|
|
return NCONF_get_string(NULL, group, name);
|
|
} else {
|
|
CONF ctmp;
|
|
CONF_set_nconf(&ctmp, conf);
|
|
return NCONF_get_string(&ctmp, group, name);
|
|
}
|
|
}
|
|
|
|
long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
|
|
const char *name)
|
|
{
|
|
int status;
|
|
long result = 0;
|
|
|
|
ERR_set_mark();
|
|
if (conf == NULL) {
|
|
status = NCONF_get_number_e(NULL, group, name, &result);
|
|
} else {
|
|
CONF ctmp;
|
|
CONF_set_nconf(&ctmp, conf);
|
|
status = NCONF_get_number_e(&ctmp, group, name, &result);
|
|
}
|
|
ERR_pop_to_mark();
|
|
return status == 0 ? 0L : result;
|
|
}
|
|
|
|
void CONF_free(LHASH_OF(CONF_VALUE) *conf)
|
|
{
|
|
CONF ctmp;
|
|
CONF_set_nconf(&ctmp, conf);
|
|
NCONF_free_data(&ctmp);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
|
|
{
|
|
BIO *btmp;
|
|
int ret;
|
|
|
|
if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
|
|
CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
|
|
return 0;
|
|
}
|
|
ret = CONF_dump_bio(conf, btmp);
|
|
BIO_free(btmp);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
|
|
{
|
|
CONF ctmp;
|
|
CONF_set_nconf(&ctmp, conf);
|
|
return NCONF_dump_bio(&ctmp, out);
|
|
}
|
|
|
|
/*
|
|
* The following section contains the "New CONF" functions. They are
|
|
* completely centralised around a new CONF structure that may contain
|
|
* basically anything, but at least a method pointer and a table of data.
|
|
* These functions are also written in terms of the bridge functions used by
|
|
* the "CONF classic" functions, for consistency.
|
|
*/
|
|
|
|
CONF *NCONF_new(CONF_METHOD *meth)
|
|
{
|
|
CONF *ret;
|
|
|
|
if (meth == NULL)
|
|
meth = NCONF_default();
|
|
|
|
ret = meth->create(meth);
|
|
if (ret == NULL) {
|
|
CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void NCONF_free(CONF *conf)
|
|
{
|
|
if (conf == NULL)
|
|
return;
|
|
conf->meth->destroy(conf);
|
|
}
|
|
|
|
void NCONF_free_data(CONF *conf)
|
|
{
|
|
if (conf == NULL)
|
|
return;
|
|
conf->meth->destroy_data(conf);
|
|
}
|
|
|
|
int NCONF_load(CONF *conf, const char *file, long *eline)
|
|
{
|
|
if (conf == NULL) {
|
|
CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
|
|
return 0;
|
|
}
|
|
|
|
return conf->meth->load(conf, file, eline);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
|
|
{
|
|
BIO *btmp;
|
|
int ret;
|
|
if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
|
|
CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
|
|
return 0;
|
|
}
|
|
ret = NCONF_load_bio(conf, btmp, eline);
|
|
BIO_free(btmp);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
|
|
{
|
|
if (conf == NULL) {
|
|
CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
|
|
return 0;
|
|
}
|
|
|
|
return conf->meth->load_bio(conf, bp, eline);
|
|
}
|
|
|
|
STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)
|
|
{
|
|
if (conf == NULL) {
|
|
CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);
|
|
return NULL;
|
|
}
|
|
|
|
if (section == NULL) {
|
|
CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
|
|
return NULL;
|
|
}
|
|
|
|
return _CONF_get_section_values(conf, section);
|
|
}
|
|
|
|
char *NCONF_get_string(const CONF *conf, const char *group, const char *name)
|
|
{
|
|
char *s = _CONF_get_string(conf, group, name);
|
|
|
|
/*
|
|
* Since we may get a value from an environment variable even if conf is
|
|
* NULL, let's check the value first
|
|
*/
|
|
if (s)
|
|
return s;
|
|
|
|
if (conf == NULL) {
|
|
CONFerr(CONF_F_NCONF_GET_STRING,
|
|
CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
|
|
return NULL;
|
|
}
|
|
CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE);
|
|
ERR_add_error_data(4, "group=", group, " name=", name);
|
|
return NULL;
|
|
}
|
|
|
|
static int default_is_number(const CONF *conf, char c)
|
|
{
|
|
return ossl_isdigit(c);
|
|
}
|
|
|
|
static int default_to_int(const CONF *conf, char c)
|
|
{
|
|
return (int)(c - '0');
|
|
}
|
|
|
|
int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
|
|
long *result)
|
|
{
|
|
char *str;
|
|
long res;
|
|
int (*is_number)(const CONF *, char) = &default_is_number;
|
|
int (*to_int)(const CONF *, char) = &default_to_int;
|
|
|
|
if (result == NULL) {
|
|
CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER);
|
|
return 0;
|
|
}
|
|
|
|
str = NCONF_get_string(conf, group, name);
|
|
|
|
if (str == NULL)
|
|
return 0;
|
|
|
|
if (conf != NULL) {
|
|
if (conf->meth->is_number != NULL)
|
|
is_number = conf->meth->is_number;
|
|
if (conf->meth->to_int != NULL)
|
|
to_int = conf->meth->to_int;
|
|
}
|
|
for (res = 0; is_number(conf, *str); str++) {
|
|
const int d = to_int(conf, *str);
|
|
|
|
if (res > (LONG_MAX - d) / 10L) {
|
|
CONFerr(CONF_F_NCONF_GET_NUMBER_E, CONF_R_NUMBER_TOO_LARGE);
|
|
return 0;
|
|
}
|
|
res = res * 10 + d;
|
|
}
|
|
|
|
*result = res;
|
|
return 1;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int NCONF_dump_fp(const CONF *conf, FILE *out)
|
|
{
|
|
BIO *btmp;
|
|
int ret;
|
|
if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
|
|
CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB);
|
|
return 0;
|
|
}
|
|
ret = NCONF_dump_bio(conf, btmp);
|
|
BIO_free(btmp);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int NCONF_dump_bio(const CONF *conf, BIO *out)
|
|
{
|
|
if (conf == NULL) {
|
|
CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF);
|
|
return 0;
|
|
}
|
|
|
|
return conf->meth->dump(conf, out);
|
|
}
|
|
|
|
/*
|
|
* These routines call the C malloc/free, to avoid intermixing with
|
|
* OpenSSL function pointers before the library is initialized.
|
|
*/
|
|
OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void)
|
|
{
|
|
OPENSSL_INIT_SETTINGS *ret = malloc(sizeof(*ret));
|
|
|
|
if (ret != NULL)
|
|
memset(ret, 0, sizeof(*ret));
|
|
ret->flags = DEFAULT_CONF_MFLAGS;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
|
|
const char *filename)
|
|
{
|
|
char *newfilename = NULL;
|
|
|
|
if (filename != NULL) {
|
|
newfilename = strdup(filename);
|
|
if (newfilename == NULL)
|
|
return 0;
|
|
}
|
|
|
|
free(settings->filename);
|
|
settings->filename = newfilename;
|
|
|
|
return 1;
|
|
}
|
|
|
|
void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
|
|
unsigned long flags)
|
|
{
|
|
settings->flags = flags;
|
|
}
|
|
|
|
int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
|
|
const char *appname)
|
|
{
|
|
char *newappname = NULL;
|
|
|
|
if (appname != NULL) {
|
|
newappname = strdup(appname);
|
|
if (newappname == NULL)
|
|
return 0;
|
|
}
|
|
|
|
free(settings->appname);
|
|
settings->appname = newappname;
|
|
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings)
|
|
{
|
|
free(settings->filename);
|
|
free(settings->appname);
|
|
free(settings);
|
|
}
|