session: do not dump and restore session ACLs but recalculate them when restoring...

diff --git a/session.c b/session.c
index fc5f19b..a4ed5f3 100644 (file)
--- a/session.c
+++ b/session.c
@@ -97,7 +97,6 @@ enum {
        RPC_DUMP_SID,
        RPC_DUMP_TIMEOUT,
        RPC_DUMP_EXPIRES,
-       RPC_DUMP_ACLS,
        RPC_DUMP_DATA,
        __RPC_DUMP_MAX,
 };
@@ -105,7 +104,6 @@ static const struct blobmsg_policy dump_policy[__RPC_DUMP_MAX] = {
        [RPC_DUMP_SID] = { .name = "sid", .type = BLOBMSG_TYPE_STRING },
        [RPC_DUMP_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
        [RPC_DUMP_EXPIRES] = { .name = "expires", .type = BLOBMSG_TYPE_INT32 },
-       [RPC_DUMP_ACLS] = { .name = "acls", .type = BLOBMSG_TYPE_TABLE },
        [RPC_DUMP_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
 };
 
@@ -215,10 +213,6 @@ rpc_session_to_blob(struct rpc_session *ses)
        blobmsg_add_u32(&buf, "timeout", ses->timeout);
        blobmsg_add_u32(&buf, "expires", uloop_timeout_remaining(&ses->t) / 1000);
 
-       c = blobmsg_open_table(&buf, "acls");
-       rpc_session_dump_acls(ses, &buf);
-       blobmsg_close_table(&buf, c);
-
        c = blobmsg_open_table(&buf, "data");
        rpc_session_dump_data(ses, &buf);
        blobmsg_close_table(&buf, c);
@@ -837,6 +831,11 @@ rpc_login_test_login(struct uci_context *uci,
                if (strcmp(ptr.o->v.string, username))
                        continue;
 
+               /* If password is NULL, we're restoring ACLs for an existing session,
+                * in this case do not check the password again. */
+               if (!password)
+                       return ptr.s;
+
                /* test for matching password */
                ptr.option = "password";
                ptr.o = NULL;
@@ -1174,11 +1173,13 @@ fail:
 }
 
 static bool
-rpc_session_from_blob(struct blob_attr *attr)
+rpc_session_from_blob(struct uci_context *uci, struct blob_attr *attr)
 {
-       int i, rem, rem2, rem3;
+       int i, rem;
+       const char *user = NULL;
        struct rpc_session *ses;
-       struct blob_attr *tb[__RPC_DUMP_MAX], *scope, *object, *function;
+       struct uci_section *login;
+       struct blob_attr *tb[__RPC_DUMP_MAX], *data;
 
        blobmsg_parse(dump_policy, __RPC_DUMP_MAX, tb,
                      blob_data(attr), blob_len(attr));
@@ -1196,18 +1197,17 @@ rpc_session_from_blob(struct blob_attr *attr)
 
        ses->timeout = blobmsg_get_u32(tb[RPC_DUMP_TIMEOUT]);
 
-       blobmsg_for_each_attr(scope, tb[RPC_DUMP_ACLS], rem) {
-               blobmsg_for_each_attr(object, scope, rem2) {
-                       blobmsg_for_each_attr(function, object, rem3) {
-                               rpc_session_grant(ses, NULL, blobmsg_name(scope),
-                                                            blobmsg_name(object),
-                                                            blobmsg_data(function));
-                       }
-               }
+       blobmsg_for_each_attr(data, tb[RPC_DUMP_DATA], rem) {
+               rpc_session_set(ses, blobmsg_name(data), data);
+
+               if (!strcmp(blobmsg_name(data), "username"))
+                       user = blobmsg_get_string(data);
        }
 
-       blobmsg_for_each_attr(object, tb[RPC_DUMP_DATA], rem) {
-               rpc_session_set(ses, blobmsg_name(object), object);
+       if (uci && user) {
+               login = rpc_login_test_login(uci, user, NULL);
+               if (login)
+                       rpc_login_setup_acls(ses, login);
        }
 
        avl_insert(&sessions, &ses->avl);
@@ -1307,12 +1307,18 @@ void rpc_session_thaw(void)
        char path[PATH_MAX];
        struct dirent *e;
        struct blob_attr *attr;
+       struct uci_context *uci;
 
        d = opendir(RPC_SESSION_DIRECTORY);
 
        if (!d)
                return;
 
+       uci = uci_alloc_context();
+
+       if (!uci)
+               return;
+
        while ((e = readdir(d)) != NULL) {
                if (!rpc_validate_sid(e->d_name))
                        continue;
@@ -1323,7 +1329,7 @@ void rpc_session_thaw(void)
                attr = rpc_blob_from_file(path);
 
                if (attr) {
-                       rpc_session_from_blob(attr);
+                       rpc_session_from_blob(uci, attr);
                        free(attr);
                }
 
@@ -1331,4 +1337,6 @@ void rpc_session_thaw(void)
        }
 
        closedir(d);
+
+       uci_free_context(uci);
 }