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/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* 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;
}
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