security-and-privacy/uts-server
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kakwa 2016-09-11 22:01:22 +02:00
parent 5eec6c6f27
commit c2d0bdfecb
3 changed files with 90 additions and 27 deletions
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23
src/lib/utils.c
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@ -136,6 +136,7 @@ void skeleton_daemon() {
// openlog("uts-server", LOG_PID, LOG_DAEMON);
}
// log a binary blob as hexadecimal
void log_hex(rfc3161_context *ct, int priority, char *id,
unsigned char *content, int content_length) {
if (priority > ct->loglevel && !ct->stdout_dbg)
@ -154,22 +155,26 @@ void log_hex(rfc3161_context *ct, int priority, char *id,
free(out);
}
// logger function
void uts_logger(rfc3161_context *ct, int priority, char *fmt, ...) {
// ignore all messages less critical than the loglevel
// except if the debug flag is set
if (priority > ct->loglevel && !ct->stdout_dbg)
return;
// build the out log message
FILE *stream;
char *out;
size_t len;
stream = open_memstream(&out, &len);
va_list args;
va_start(args, fmt);
vfprintf(stream, fmt, args);
va_end(args);
fflush(stream);
fclose(stream);
// if in debugging mode, also log to stdout
if (ct->stdout_dbg) {
switch (priority) {
case LOG_EMERG:
@ -209,6 +214,7 @@ void uts_logger(rfc3161_context *ct, int priority, char *fmt, ...) {
free(out);
}
// OpenSSL file openner (use for opening the configuration file
static BIO *bio_open_default(rfc3161_context *ct, const char *filename,
int format) {
BIO *ret;
@ -229,6 +235,7 @@ static BIO *bio_open_default(rfc3161_context *ct, const char *filename,
return NULL;
}
// loading the configuration file and parsing it using the OpenSSL parser
static CONF *load_config_file(rfc3161_context *ct, const char *filename) {
long errorline = -1;
BIO *in;
@ -260,13 +267,18 @@ static CONF *load_config_file(rfc3161_context *ct, const char *filename) {
return NULL;
}
// initialize the rfc3161_context according to the conf_file content
int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
// chdir in configuration file directory
// (some parameters like certificates can be declared
// relatively to the configuration file).
chdir(conf_wd);
int ret = 1;
int http_counter = 0;
int numthreads = 42;
NCONF_free(ct->conf);
// load the configuration file
ct->conf = load_config_file(ct, conf_file);
if (ct->conf == NULL)
goto end;
@ -297,6 +309,7 @@ int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
;
}
}
// parse the options to get the civetweb options and a few other things
for (int i = 0; i < RFC3161_OPTIONS_LEN; i++) {
int type = rfc3161_options[i].type;
const char *name = rfc3161_options[i].name;
@ -311,6 +324,8 @@ int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
uts_logger(ct, LOG_DEBUG, "configuration param['%s'] = '%s'", name,
value);
switch (type) {
// if it's an http (civetweb) option, put it in the http_options buffer
// like civetweb is expected it.
case HTTP_OPTIONS:
if (value != NULL) {
ct->http_options[http_counter] = name;
@ -318,6 +333,8 @@ int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
ct->http_options[http_counter] = value;
http_counter++;
}
// recover the num_threads parameter as it's used to
// initialize the TS_RESP_CTX pool
if (strcmp(name, "num_threads") == 0)
numthreads = atoi(value);
break;
@ -331,6 +348,9 @@ int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
if (!add_oid_section(ct, ct->conf))
ret = 0;
// initialize the TS_RESP_CTX pool
// as TS_RESP_CTX is not thread safe,
// creates 'num_threads' TS_RESP_CTX (one per thread)
ct->ts_ctx_pool = calloc(numthreads, sizeof(ts_resp_ctx_wrapper));
ct->numthreads = numthreads;
for (int i = 0; i < numthreads; i++) {
@ -339,6 +359,7 @@ int set_params(rfc3161_context *ct, char *conf_file, char *conf_wd) {
if (ct->ts_ctx_pool[i].ts_ctx == NULL)
ret = 0;
}
// like any good daemon, return to '/' once the configuration is loaded
chdir("/");
return ret;