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Diffstat (limited to 'src/tools/irm/irm_name_unreg.c')
| -rw-r--r-- | src/tools/irm/irm_name_unreg.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/tools/irm/irm_name_unreg.c b/src/tools/irm/irm_name_unreg.c new file mode 100644 index 00000000..48253143 --- /dev/null +++ b/src/tools/irm/irm_name_unreg.c @@ -0,0 +1,135 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2020 + * + * 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 name unregister <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_unreg_name(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; + + name = *(argv++); + --argc; + + while (argc > 0) { + 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_name(name, ipcps[i].pid)) { + free(ipcps); + return -1; + } + break; + } + } + for (j = 0; j < ipcp_len; j++) { + if (wildcard_match(ipcps[i].name, ipcp[j]) == 0) { + if (irm_unreg_name(name, ipcps[i].pid)) { + free(ipcps); + return -1; + } + break; + } + } + } + + free(ipcps); + + return 0; +} |