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authorJosé Bollo <jose.bollo@iot.bzh>2016-06-16 16:20:47 +0200
committerJosé Bollo <jose.bollo@iot.bzh>2016-06-16 16:20:47 +0200
commit4878d5d7da6660f9a889e503d0f44a0b49bfa6c0 (patch)
treee338b6e126d1498983d86988e6f0d25b17de13c8
parent1131cbe80a0278dbfddca247162b6e51c86a3b8d (diff)
session: add cookies
Change-Id: I1f286597a8d5d97ab9c9cfcefa1b3a13eccd6d3e Signed-off-by: José Bollo <jose.bollo@iot.bzh>
-rw-r--r--src/session.c66
-rw-r--r--src/session.h3
2 files changed, 69 insertions, 0 deletions
diff --git a/src/session.c b/src/session.c
index cbf883c6..9944e764 100644
--- a/src/session.c
+++ b/src/session.c
@@ -38,6 +38,14 @@ struct client_value
void (*free_value)(void*);
};
+struct cookie
+{
+ struct cookie *next;
+ const void *key;
+ void *value;
+ void (*free_value)(void*);
+};
+
struct AFB_clientCtx
{
unsigned refcount;
@@ -48,6 +56,7 @@ struct AFB_clientCtx
char uuid[37]; // long term authentication of remote client
char token[37]; // short term authentication of remote client
struct client_value *values;
+ struct cookie *cookies;
};
// Session UUID are store in a simple array [for 10 sessions this should be enough]
@@ -73,6 +82,7 @@ static void new_uuid(char uuid[37])
static void ctxUuidFreeCB (struct AFB_clientCtx *client)
{
int idx;
+ struct cookie *cookie;
// If application add a handle let's free it now
assert (client->values != NULL);
@@ -80,6 +90,16 @@ static void ctxUuidFreeCB (struct AFB_clientCtx *client)
// Free client handle with a standard Free function, with app callback or ignore it
for (idx=0; idx < sessions.apicount; idx ++)
ctxClientValueSet(client, idx, NULL, NULL);
+
+ // free cookies
+ cookie = client->cookies;
+ while (cookie != NULL) {
+ client->cookies = cookie->next;
+ if (cookie->value != NULL && cookie->free_value != NULL)
+ cookie->free_value(cookie->value);
+ free(cookie);
+ cookie = client->cookies;
+ }
}
// Create a new store in RAM, not that is too small it will be automatically extended
@@ -392,3 +412,49 @@ void ctxClientValueSet(struct AFB_clientCtx *clientCtx, int index, void *value,
if (prev.value != NULL && prev.value != value && prev.free_value != NULL)
prev.free_value(prev.value);
}
+
+void *ctxClientCookieGet(struct AFB_clientCtx *clientCtx, const void *key)
+{
+ struct cookie *cookie;
+
+ cookie = clientCtx->cookies;
+ while(cookie != NULL) {
+ if (cookie->key == key)
+ return cookie->value;
+ cookie = cookie->next;
+ }
+ return NULL;
+}
+
+int ctxClientCookieSet(struct AFB_clientCtx *clientCtx, const void *key, void *value, void (*free_value)(void*))
+{
+ struct cookie *cookie;
+
+ /* search for a replacement */
+ cookie = clientCtx->cookies;
+ while(cookie != NULL) {
+ if (cookie->key == key) {
+ if (cookie->value != NULL && cookie->value != value && cookie->free_value != NULL)
+ cookie->free_value(cookie->value);
+ cookie->value = value;
+ cookie->free_value = free_value;
+ return 0;
+ }
+ cookie = cookie->next;
+ }
+
+ /* allocates */
+ cookie = malloc(sizeof *cookie);
+ if (cookie == NULL) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ cookie->key = key;
+ cookie->value = value;
+ cookie->free_value = free_value;
+ cookie->next = clientCtx->cookies;
+ clientCtx->cookies = cookie;
+ return 0;
+}
+
diff --git a/src/session.h b/src/session.h
index 44c6d7be..fa6f9c2d 100644
--- a/src/session.h
+++ b/src/session.h
@@ -39,3 +39,6 @@ extern void ctxClientSetLOA (struct AFB_clientCtx *clientCtx, unsigned loa);
extern void *ctxClientValueGet(struct AFB_clientCtx *clientCtx, int index);
extern void ctxClientValueSet(struct AFB_clientCtx *clientCtx, int index, void *value, void (*free_value)(void*));
+extern void *ctxClientCookieGet(struct AFB_clientCtx *clientCtx, const void *key);
+extern int ctxClientCookieSet(struct AFB_clientCtx *clientCtx, const void *key, void *value, void (*free_value)(void*));
+