/* * Ouroboros - Copyright (C) 2016 - 2019 * * Enroll IPC Processes * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include <stdlib.h> #include <ouroboros/irm.h> #include "irm_ops.h" #include "irm_utils.h" #include <string.h> #define NORMAL "unicast" #define BROADCAST "broadcast" static void usage(void) { printf("Usage: irm ipcp enroll\n" " name <ipcp name>\n" " [layer <layer to enroll with>]\n" " [dst <destination to enroll with>]\n" " [type [TYPE], default = " NORMAL "]\n" " [autobind]\n" "where TYPE = {" NORMAL " " BROADCAST "}\n"); } static int get_layer_name(const char * ipcp, char * layer_name) { struct ipcp_info * ipcps; size_t len; size_t i; len = irm_list_ipcps(&ipcps); for (i = 0; i < len; i++) if (strcmp(ipcps[i].name, ipcp) == 0) { strcpy(layer_name, ipcps[i].layer); free(ipcps); return 0; } free(ipcps); return -1; } int do_enroll_ipcp(int argc, char ** argv) { char * ipcp = NULL; char * layer = NULL; char * dst = NULL; struct ipcp_info * ipcps; pid_t pid = -1; ssize_t len = 0; int i = 0; bool autobind = false; int cargs; char * ipcp_type = NORMAL; enum ipcp_type type = IPCP_INVALID; while (argc > 0) { cargs = 2; if (matches(*argv, "name") == 0) { ipcp = *(argv + 1); } else if (matches(*argv, "type") == 0) { ipcp_type = *(argv + 1); } else if (matches(*argv, "layer") == 0) { layer = *(argv + 1); } else if (matches(*argv, "dst") == 0) { dst = *(argv + 1); } else if (matches(*argv, "autobind") == 0) { autobind = true; cargs = 1; } else { printf("\"%s\" is unknown, try \"irm " "enroll_ipcp\".\n", *argv); return -1; } argc -= cargs; argv += cargs; } if ((layer == NULL && dst == NULL) || ipcp == NULL) { usage(); return -1; } if (dst == NULL) dst = layer; if (strcmp(ipcp_type, NORMAL) == 0) type = IPCP_NORMAL; else if (strcmp(ipcp_type, BROADCAST) == 0) type = IPCP_BROADCAST; len = irm_list_ipcps(&ipcps); for (i = 0; i < len; i++) if (wildcard_match(ipcps[i].name, ipcp) == 0 && ipcps[i].type == type) pid = ipcps[i].pid; if (pid < 0) { pid = irm_create_ipcp(ipcp, type); if (pid < 0) goto fail; free(ipcps); len = irm_list_ipcps(&ipcps); } for (i = 0; i < len; i++) { if (ipcps[i].type != type) continue; if (wildcard_match(ipcps[i].name, ipcp) == 0) { char enr_layer[LAYER_NAME_SIZE]; pid = ipcps[i].pid; if (irm_enroll_ipcp(pid, dst)) { printf("Failed to enroll IPCP.\n"); goto fail; } if (get_layer_name(ipcps[i].name, enr_layer)) { printf("Could not get layer name.\n"); goto fail; } if (layer != NULL && strcmp(enr_layer, layer)) { printf("Enrollment destination does not " "match requested layer.\n"); goto fail; } if (autobind && irm_bind_process(pid, ipcp)) { printf("Failed to bind %d to %s.\n", pid, ipcp); goto fail; } if (autobind && irm_bind_process(pid, enr_layer)) { printf("Failed to bind %d to %s.\n", pid, enr_layer); goto fail; } } } free(ipcps); return 0; fail: free(ipcps); return -1; }