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Improved libfast session management, using a hashtable

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This commit is contained in:
Martin Willi
2009-12-08 19:31:02 +01:00
parent 4e90d9de9f
commit a6225e4936
2 changed files with 109 additions and 40 deletions
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src/libfast/session.c
+18 -9
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@@ -23,6 +23,8 @@
#include <utils/linked_list.h>
#define COOKIE_LEN 16
typedef struct private_session_t private_session_t;
/**
@@ -38,7 +40,12 @@ struct private_session_t {
/**
* session ID
*/
char *sid;
char sid[COOKIE_LEN * 2 + 1];
/**
* have we sent the session cookie?
*/
bool cookie_sent;
/**
* list of controller instances controller_t
@@ -75,19 +82,20 @@ static void add_filter(private_session_t *this, filter_t *filter)
/**
* Create a session ID and a cookie
*/
static void create_sid(private_session_t *this, request_t *request)
static void create_sid(private_session_t *this)
{
char buf[16];
char buf[COOKIE_LEN];
rng_t *rng;
memset(buf, 0, sizeof(buf));
memset(this->sid, 0, sizeof(this->sid));
rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
if (rng)
{
rng->get_bytes(rng, sizeof(buf), buf);
this->sid = chunk_to_hex(chunk_create(buf, sizeof(buf)), NULL, FALSE).ptr;
request->add_cookie(request, "SID", this->sid);
rng->destroy(rng);
}
chunk_to_hex(chunk_create(buf, sizeof(buf)), this->sid, FALSE);
}
/**
@@ -123,9 +131,10 @@ static void process(private_session_t *this, request_t *request)
controller_t *current;
int i = 0;
if (this->sid == NULL)
if (!this->cookie_sent)
{
create_sid(this, request);
request->add_cookie(request, "SID", this->sid);
this->cookie_sent = TRUE;
}
start = request->get_path(request);
@@ -189,7 +198,6 @@ static void destroy(private_session_t *this)
this->controllers->destroy_offset(this->controllers, offsetof(controller_t, destroy));
this->filters->destroy_offset(this->filters, offsetof(filter_t, destroy));
DESTROY_IF(this->context);
free(this->sid);
free(this);
}
@@ -206,7 +214,8 @@ session_t *session_create(context_t *context)
this->public.get_sid = (char*(*)(session_t*))get_sid;
this->public.destroy = (void(*)(session_t*))destroy;
this->sid = NULL;
create_sid(this);
this->cookie_sent = FALSE;
this->controllers = linked_list_create();
this->filters = linked_list_create();
this->context = context;