static struct sk_buff *cfg_set_max_publications(void) { u32 value; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); if (value != delimit(value, 1, 65535)) return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE " (max publications must be 1-65535)"); tipc_max_publications = value; return tipc_cfg_reply_none(); }
static struct sk_buff *cfg_set_own_addr(void) { u32 addr; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); addr = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); if (addr == tipc_own_addr) return tipc_cfg_reply_none(); if (!tipc_addr_node_valid(addr)) return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE " (node address)"); <<<<<<< HEAD
struct sk_buff *tipc_log_resize(const void *req_tlv_area, int req_tlv_space) { u32 value; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); if (value != delimit(value, 0, 32768)) return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE " (log size must be 0-32768)"); tipc_log_reinit(value); return tipc_cfg_reply_none(); }
static struct sk_buff *cfg_enable_bearer(void) { struct tipc_bearer_config *args; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_BEARER_CONFIG)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); args = (struct tipc_bearer_config *)TLV_DATA(req_tlv_area); if (tipc_enable_bearer(args->name, ntohl(args->detect_scope), ntohl(args->priority))) return tipc_cfg_reply_error_string("unable to enable bearer"); return tipc_cfg_reply_none(); }
static struct sk_buff *cfg_set_max_ports(void) { u32 value; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); if (value == tipc_max_ports) return tipc_cfg_reply_none(); if (value < 127 || value > 65535) return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE " (max ports must be 127-65535)"); return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (cannot change max ports while TIPC is active)"); }
struct sk_buff *tipc_log_resize_cmd(const void *req_tlv_area, int req_tlv_space) { u32 value; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); if (value > 32768) return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE " (log size must be 0-32768)"); if (tipc_log_resize(value)) return tipc_cfg_reply_error_string( "unable to create specified log (log size is now 0)"); return tipc_cfg_reply_none(); }
struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area, int request_space, int reply_headroom) { struct sk_buff *rep_tlv_buf; spin_lock_bh(&config_lock); /* Save request and reply details in a well-known location */ req_tlv_area = request_area; req_tlv_space = request_space; rep_headroom = reply_headroom; /* Check command authorization */ if (likely(orig_node == tipc_own_addr)) { /* command is permitted */ } else if (cmd >= 0x8000) { rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (cannot be done remotely)"); goto exit; } else if (!tipc_remote_management) { rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NO_REMOTE); goto exit; } else if (cmd >= 0x4000) { u32 domain = 0; if ((tipc_nametbl_translate(TIPC_ZM_SRV, 0, &domain) == 0) || (domain != orig_node)) { rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_ZONE_MSTR); goto exit; } } /* Call appropriate processing routine */ switch (cmd) { case TIPC_CMD_NOOP: rep_tlv_buf = tipc_cfg_reply_none(); break; case TIPC_CMD_GET_NODES: rep_tlv_buf = tipc_node_get_nodes(req_tlv_area, req_tlv_space); break; case TIPC_CMD_GET_LINKS: rep_tlv_buf = tipc_node_get_links(req_tlv_area, req_tlv_space); break; case TIPC_CMD_SHOW_LINK_STATS: rep_tlv_buf = tipc_link_cmd_show_stats(req_tlv_area, req_tlv_space); break; case TIPC_CMD_RESET_LINK_STATS: rep_tlv_buf = tipc_link_cmd_reset_stats(req_tlv_area, req_tlv_space); break; case TIPC_CMD_SHOW_NAME_TABLE: rep_tlv_buf = tipc_nametbl_get(req_tlv_area, req_tlv_space); break; case TIPC_CMD_GET_BEARER_NAMES: rep_tlv_buf = tipc_bearer_get_names(); break; case TIPC_CMD_GET_MEDIA_NAMES: rep_tlv_buf = tipc_media_get_names(); break; case TIPC_CMD_SHOW_PORTS: rep_tlv_buf = tipc_port_get_ports(); break; #if 0 case TIPC_CMD_SHOW_PORT_STATS: rep_tlv_buf = port_show_stats(req_tlv_area, req_tlv_space); break; case TIPC_CMD_RESET_PORT_STATS: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED); break; #endif case TIPC_CMD_SET_LOG_SIZE: rep_tlv_buf = tipc_log_resize(req_tlv_area, req_tlv_space); break; case TIPC_CMD_DUMP_LOG: rep_tlv_buf = tipc_log_dump(); break; case TIPC_CMD_SET_LINK_TOL: case TIPC_CMD_SET_LINK_PRI: case TIPC_CMD_SET_LINK_WINDOW: rep_tlv_buf = tipc_link_cmd_config(req_tlv_area, req_tlv_space, cmd); break; case TIPC_CMD_ENABLE_BEARER: rep_tlv_buf = cfg_enable_bearer(); break; case TIPC_CMD_DISABLE_BEARER: rep_tlv_buf = cfg_disable_bearer(); break; case TIPC_CMD_SET_NODE_ADDR: rep_tlv_buf = cfg_set_own_addr(); break; case TIPC_CMD_SET_REMOTE_MNG: rep_tlv_buf = cfg_set_remote_mng(); break; case TIPC_CMD_SET_MAX_PORTS: rep_tlv_buf = cfg_set_max_ports(); break; case TIPC_CMD_SET_MAX_PUBL: rep_tlv_buf = cfg_set_max_publications(); break; case TIPC_CMD_SET_MAX_SUBSCR: rep_tlv_buf = cfg_set_max_subscriptions(); break; case TIPC_CMD_SET_MAX_ZONES: rep_tlv_buf = cfg_set_max_zones(); break; case TIPC_CMD_SET_MAX_CLUSTERS: rep_tlv_buf = cfg_set_max_clusters(); break; case TIPC_CMD_SET_MAX_NODES: rep_tlv_buf = cfg_set_max_nodes(); break; case TIPC_CMD_SET_MAX_SLAVES: rep_tlv_buf = cfg_set_max_slaves(); break; case TIPC_CMD_SET_NETID: rep_tlv_buf = cfg_set_netid(); break; case TIPC_CMD_GET_REMOTE_MNG: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_remote_management); break; case TIPC_CMD_GET_MAX_PORTS: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_ports); break; case TIPC_CMD_GET_MAX_PUBL: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_publications); break; case TIPC_CMD_GET_MAX_SUBSCR: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_subscriptions); break; case TIPC_CMD_GET_MAX_ZONES: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_zones); break; case TIPC_CMD_GET_MAX_CLUSTERS: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_clusters); break; case TIPC_CMD_GET_MAX_NODES: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_nodes); break; case TIPC_CMD_GET_MAX_SLAVES: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_slaves); break; case TIPC_CMD_GET_NETID: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id); break; default: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (unknown command)"); break; } /* Return reply buffer */ exit: spin_unlock_bh(&config_lock); return rep_tlv_buf; }
struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area, int request_space, int reply_headroom) { struct sk_buff *rep_tlv_buf; rtnl_lock(); /* Save request and reply details in a well-known location */ req_tlv_area = request_area; req_tlv_space = request_space; rep_headroom = reply_headroom; /* Check command authorization */ if (likely(in_own_node(orig_node))) { /* command is permitted */ } else { rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (cannot be done remotely)"); goto exit; } /* Call appropriate processing routine */ switch (cmd) { case TIPC_CMD_NOOP: rep_tlv_buf = tipc_cfg_reply_none(); break; case TIPC_CMD_GET_NODES: rep_tlv_buf = tipc_node_get_nodes(req_tlv_area, req_tlv_space); break; case TIPC_CMD_GET_LINKS: rep_tlv_buf = tipc_node_get_links(req_tlv_area, req_tlv_space); break; case TIPC_CMD_SHOW_LINK_STATS: rep_tlv_buf = tipc_link_cmd_show_stats(req_tlv_area, req_tlv_space); break; case TIPC_CMD_RESET_LINK_STATS: rep_tlv_buf = tipc_link_cmd_reset_stats(req_tlv_area, req_tlv_space); break; case TIPC_CMD_SHOW_NAME_TABLE: rep_tlv_buf = tipc_nametbl_get(req_tlv_area, req_tlv_space); break; case TIPC_CMD_GET_BEARER_NAMES: rep_tlv_buf = tipc_bearer_get_names(); break; case TIPC_CMD_GET_MEDIA_NAMES: rep_tlv_buf = tipc_media_get_names(); break; case TIPC_CMD_SHOW_PORTS: rep_tlv_buf = tipc_sk_socks_show(); break; case TIPC_CMD_SHOW_STATS: rep_tlv_buf = tipc_show_stats(); break; case TIPC_CMD_SET_LINK_TOL: case TIPC_CMD_SET_LINK_PRI: case TIPC_CMD_SET_LINK_WINDOW: rep_tlv_buf = tipc_link_cmd_config(req_tlv_area, req_tlv_space, cmd); break; case TIPC_CMD_ENABLE_BEARER: rep_tlv_buf = cfg_enable_bearer(); break; case TIPC_CMD_DISABLE_BEARER: rep_tlv_buf = cfg_disable_bearer(); break; case TIPC_CMD_SET_NODE_ADDR: rep_tlv_buf = cfg_set_own_addr(); break; case TIPC_CMD_SET_MAX_PORTS: rep_tlv_buf = cfg_set_max_ports(); break; case TIPC_CMD_SET_NETID: rep_tlv_buf = cfg_set_netid(); break; case TIPC_CMD_GET_MAX_PORTS: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_ports); break; case TIPC_CMD_GET_NETID: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id); break; case TIPC_CMD_NOT_NET_ADMIN: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_NET_ADMIN); break; case TIPC_CMD_SET_MAX_ZONES: case TIPC_CMD_GET_MAX_ZONES: case TIPC_CMD_SET_MAX_SLAVES: case TIPC_CMD_GET_MAX_SLAVES: case TIPC_CMD_SET_MAX_CLUSTERS: case TIPC_CMD_GET_MAX_CLUSTERS: case TIPC_CMD_SET_MAX_NODES: case TIPC_CMD_GET_MAX_NODES: case TIPC_CMD_SET_MAX_SUBSCR: case TIPC_CMD_GET_MAX_SUBSCR: case TIPC_CMD_SET_MAX_PUBL: case TIPC_CMD_GET_MAX_PUBL: case TIPC_CMD_SET_LOG_SIZE: case TIPC_CMD_SET_REMOTE_MNG: case TIPC_CMD_GET_REMOTE_MNG: case TIPC_CMD_DUMP_LOG: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (obsolete command)"); break; default: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (unknown command)"); break; } WARN_ON(rep_tlv_buf->len > TLV_SPACE(ULTRA_STRING_MAX_LEN)); /* Append an error message if we cannot return all requested data */ if (rep_tlv_buf->len == TLV_SPACE(ULTRA_STRING_MAX_LEN)) { if (*(rep_tlv_buf->data + ULTRA_STRING_MAX_LEN) != '\0') sprintf(rep_tlv_buf->data + rep_tlv_buf->len - sizeof(REPLY_TRUNCATED) - 1, REPLY_TRUNCATED); } /* Return reply buffer */ exit: rtnl_unlock(); return rep_tlv_buf; }