/* * Ouroboros - Copyright (C) 2016 - 2018 * * Unregister names from IPCPs * * 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 <ouroboros/irm.h> #include "irm_ops.h" #include "irm_utils.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #define MAX_IPCPS 128 #define MAX_LAYERS 128 static void usage(void) { printf("Usage: irm unregister\n" " name <name>\n" " ipcp <ipcp to register with>\n" " [ipcp <ipcp to register with>]\n" " [... (maximum %d ipcps)]\n" " layer <layer to unregister from>\n" " [layer <layer to unregister from>]\n" " [... (maximum %d layers)]\n" , MAX_IPCPS, MAX_LAYERS); } int do_unregister(int argc, char ** argv) { char * name = NULL; char * layers[MAX_LAYERS]; size_t layers_len = 0; char * ipcp[MAX_IPCPS]; size_t ipcp_len = 0; struct ipcp_info * ipcps; ssize_t len; size_t i; while (argc > 0) { if (matches(*argv, "name") == 0) { name = *(argv + 1); } else if (matches(*argv, "layer") == 0) { layers[layers_len++] = *(argv + 1); if (layers_len > MAX_LAYERS) { printf("Too many layers specified.\n"); return -1; } } else if (matches(*argv, "ipcp") == 0) { ipcp[ipcp_len++] = *(argv + 1); if (ipcp_len > MAX_IPCPS) { printf("Too many IPCPs specified.\n"); return -1; } } else { printf("\"%s\" is unknown, try \"irm " "unregister\".\n", *argv); return -1; } argc -= 2; argv += 2; } if ((layers_len < 1 && ipcp_len < 1) || name == NULL) { usage(); return -1; } len = irm_list_ipcps(&ipcps); if (len < 0) return -1; for (i = 0; i < (size_t) len; ++i) { size_t j; for (j = 0; j < layers_len; j++) { if (wildcard_match(ipcps[i].layer, layers[j]) == 0) { if (irm_unreg(ipcps[i].pid, name)) { free(ipcps); return -1; } break; } } for (j = 0; j < ipcp_len; j++) { if (wildcard_match(ipcps[i].name, ipcp[j]) == 0) { if (irm_unreg(ipcps[i].pid, name)) { free(ipcps); return -1; } break; } } } free(ipcps); return 0; }