-/*
- * luci-io - LuCI non-RPC helper
- *
- * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "login.h"
-
-
-enum {
- SES_NEW_SID,
- __SES_NEW_MAX,
-};
-
-static const struct blobmsg_policy ses_new_policy[__SES_NEW_MAX] = {
- [SES_NEW_SID] = { .name = "sid", .type = BLOBMSG_TYPE_STRING },
-};
-
-static bool
-parse_acl_scope(struct blob_attr *acl_perm, struct blob_attr *acl_scope,
- struct blob_buf *req)
-{
- struct blob_attr *acl_obj, *acl_func;
- int rem, rem2;
- void *c, *d;
-
- if (!strcmp(blobmsg_name(acl_scope), "ubus") &&
- blob_id(acl_scope) == BLOBMSG_TYPE_TABLE)
- {
- blobmsg_add_string(req, "scope", blobmsg_name(acl_scope));
- c = blobmsg_open_array(req, "objects");
-
- blobmsg_for_each_attr(acl_obj, acl_scope, rem)
- {
- if (blob_id(acl_obj) != BLOBMSG_TYPE_ARRAY)
- continue;
-
- blobmsg_for_each_attr(acl_func, acl_obj, rem2)
- {
- if (blob_id(acl_func) != BLOBMSG_TYPE_STRING)
- continue;
-
- d = blobmsg_open_array(req, NULL);
- blobmsg_add_string(req, NULL, blobmsg_name(acl_obj));
- blobmsg_add_string(req, NULL, blobmsg_data(acl_func));
- blobmsg_close_array(req, d);
- }
- }
-
- blobmsg_close_array(req, c);
- return true;
- }
- else if ((!strcmp(blobmsg_name(acl_scope), "uci") ||
- !strcmp(blobmsg_name(acl_scope), "luci-io")) &&
- blob_id(acl_scope) == BLOBMSG_TYPE_ARRAY)
- {
- blobmsg_add_string(req, "scope", blobmsg_name(acl_scope));
- c = blobmsg_open_array(req, "objects");
-
- blobmsg_for_each_attr(acl_obj, acl_scope, rem)
- {
- if (blob_id(acl_obj) != BLOBMSG_TYPE_STRING)
- continue;
-
- d = blobmsg_open_array(req, NULL);
- blobmsg_add_string(req, NULL, blobmsg_data(acl_obj));
- blobmsg_add_string(req, NULL, blobmsg_name(acl_perm));
- blobmsg_close_array(req, d);
- }
-
- blobmsg_close_array(req, c);
- return true;
- }
-
- return false;
-}
-
-static struct uci_section *
-test_user_access(struct uci_context *uci, const char *user)
-{
- struct uci_package *p;
- struct uci_section *s;
- struct uci_element *e;
- struct uci_ptr ptr = { .package = "luci", .option = "user" };
-
- uci_load(uci, ptr.package, &p);
-
- if (!p)
- return false;
-
- uci_foreach_element(&p->sections, e)
- {
- s = uci_to_section(e);
-
- if (strcmp(s->type, "access"))
- continue;
-
- ptr.section = s->e.name;
- ptr.s = NULL;
- ptr.o = NULL;
-
- if (uci_lookup_ptr(uci, &ptr, NULL, true))
- continue;
-
- if (ptr.o->type != UCI_TYPE_STRING)
- continue;
-
- if (strcmp(ptr.o->v.string, user))
- continue;
-
- return ptr.s;
- }
-
- return NULL;
-}
-
-static bool
-test_group_access(struct uci_section *s, const char *perm, const char *group)
-{
- struct uci_option *o;
- struct uci_element *e, *l;
-
- uci_foreach_element(&s->options, e)
- {
- o = uci_to_option(e);
-
- if (o->type != UCI_TYPE_LIST)
- continue;
-
- if (strcmp(o->e.name, perm))
- continue;
-
- uci_foreach_element(&o->v.list, l)
- if (l->name && !fnmatch(l->name, group, 0))
- return true;
- }
-
- if (!strcmp(perm, "read"))
- return test_group_access(s, "write", group);
-
- return false;
-}
-
-static void
-setup_session_cb(struct ubus_request *req, int type, struct blob_attr *msg)
-{
- struct blob_attr *tb[__SES_NEW_MAX];
- const char **sid = req->priv;
-
- if (!msg)
- return;
-
- blobmsg_parse(ses_new_policy, __SES_NEW_MAX, tb,
- blob_data(msg), blob_len(msg));
-
- if (tb[SES_NEW_SID])
- *sid = strdup(blobmsg_data(tb[SES_NEW_SID]));
-}
-
-const char *
-setup_session(const char *user)
-{
- uint32_t id;
- struct blob_buf req = { 0 }, acl = { 0 };
- struct blob_attr *acl_group, *acl_perm, *acl_scope;
- struct ubus_context *ctx = NULL;
- struct uci_context *uci = NULL;
- struct uci_section *access;
- const char *sid = NULL;
- int i, rem, rem2, rem3;
- void *c, *d;
- glob_t gl;
-
- uci = uci_alloc_context();
-
- if (!uci)
- goto out;
-
- access = test_user_access(uci, user);
-
- /* continue without access group if user is root (backward compat) */
- if (!access && strcmp(user, "root"))
- goto out;
-
- ctx = ubus_connect(NULL);
-
- if (!ctx || ubus_lookup_id(ctx, "session", &id))
- goto out;
-
- blob_buf_init(&req, 0);
- blobmsg_add_u32(&req, "timeout", 3600);
- ubus_invoke(ctx, id, "create", req.head, setup_session_cb, &sid, 500);
-
- if (!sid)
- goto out;
-
- blob_buf_init(&req, 0);
- blobmsg_add_string(&req, "sid", sid);
- c = blobmsg_open_table(&req, "values");
- blobmsg_add_string(&req, "user", user);
- blobmsg_close_table(&req, c);
- ubus_invoke(ctx, id, "set", req.head, NULL, NULL, 500);
-
- if (glob("/usr/share/luci2/acl.d/*.json", 0, NULL, &gl))
- goto out;
-
- for (i = 0; i < gl.gl_pathc; i++)
- {
- blob_buf_init(&acl, 0);
-
- if (!blobmsg_add_json_from_file(&acl, gl.gl_pathv[i]))
- {
- fprintf(stderr, "Failed to parse %s\n", gl.gl_pathv[i]);
- continue;
- }
-
- blob_for_each_attr(acl_group, acl.head, rem)
- {
- blobmsg_for_each_attr(acl_perm, acl_group, rem2)
- {
- if (blob_id(acl_perm) != BLOBMSG_TYPE_TABLE)
- continue;
-
- if (strcmp(blobmsg_name(acl_perm), "read") &&
- strcmp(blobmsg_name(acl_perm), "write"))
- continue;
-
- if (access != NULL &&
- !test_group_access(access, blobmsg_name(acl_perm),
- blobmsg_name(acl_group)))
- continue;
-
- blobmsg_for_each_attr(acl_scope, acl_perm, rem3)
- {
- blob_buf_init(&req, 0);
-
- if (!parse_acl_scope(acl_perm, acl_scope, &req))
- continue;
-
- blobmsg_add_string(&req, "sid", sid);
- ubus_invoke(ctx, id, "grant", req.head, NULL, NULL, 500);
-
-
- blob_buf_init(&req, 0);
- blobmsg_add_string(&req, "sid", sid);
- blobmsg_add_string(&req, "scope", "luci-ui");
- c = blobmsg_open_array(&req, "objects");
- d = blobmsg_open_array(&req, NULL);
- blobmsg_add_string(&req, NULL, blobmsg_name(acl_group));
- blobmsg_add_string(&req, NULL, blobmsg_name(acl_perm));
- blobmsg_close_array(&req, d);
- blobmsg_close_array(&req, c);
- ubus_invoke(ctx, id, "grant", req.head, NULL, NULL, 500);
- }
- }
- }
- }
-
- globfree(&gl);
-
-out:
- if (uci)
- uci_free_context(uci);
-
- if (ctx)
- ubus_free(ctx);
-
- return sid;
-}
projects / project / luci2 / ui.git / commitdiff