Linux DHCP图形化管理工具

/* * The dhcpd-pools has BSD 2-clause license which also known as "Simplified * BSD License" or "FreeBSD License". * * Copyright 2006- Sami Kerola. All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR AND CONTRIBUTORS 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. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing * official policies, either expressed or implied, of Sami Kerola. */ #include <config.h> #include <arpa/inet.h> #include <err.h> #include <langinfo.h> #include <netinet/in.h> #include <stdio.h> #include <stdlib.h> #include <sys/stat.h> #include <time.h> #define _FILE_OFFSET_BITS 64 #include <inttypes.h> #include "dhcpd-pools.h" int output_txt(void) { unsigned int i; struct in_addr first, last; struct range_t *range_p; struct shared_network_t *shared_p; int ret; FILE *outfile; if (config.output_file[0]) { outfile = fopen(config.output_file, "w+"); if (outfile == NULL) { err(EXIT_FAILURE, "output_txt: %s", config.output_file); } } else { outfile = stdout; } range_p = ranges; shared_p = shared_networks; if (config.output_limit[0] & output_limit_bit_1) { fprintf(outfile, "Ranges:\n"); fprintf (outfile, "shared net name first ip last ip max cur percent touch t+c t+c perc"); if (0 < num_backups) { fprintf(outfile, " bu bu perc"); } fprintf(outfile, "\n"); } if (config.output_limit[1] & output_limit_bit_1) { for (i = 0; i < num_ranges; i++) { first.s_addr = ntohl(range_p->first_ip + 1); last.s_addr = ntohl(range_p->last_ip - 1); if (range_p->shared_net) { fprintf(outfile, "%-20s", range_p->shared_net->name); } else { fprintf(outfile, "not_defined "); } fprintf(outfile, "%-16s", inet_ntoa(first)); fprintf(outfile, " - %-16s %5" PRIu32 " %5lu %10.3f %5lu %5lu %9.3f", inet_ntoa(last), range_p->last_ip - range_p->first_ip - 1, range_p->count, (float)(100 * range_p->count) / (range_p->last_ip - range_p->first_ip - 1), range_p->touched, range_p->touched + range_p->count, (float)(100 * (range_p->touched + range_p->count)) / (range_p->last_ip - range_p->first_ip - 1)); if (0 < num_backups) { fprintf(outfile, "%7lu %8.3f", range_p->backups, (float)(100 * range_p->backups) / (range_p->last_ip - range_p->first_ip - 1)); } fprintf(outfile, "\n"); range_p++; } } if (config.output_limit[1] & output_limit_bit_1 && config.output_limit[0] & output_limit_bit_2) { fprintf(outfile, "\n"); } if (config.output_limit[0] & output_limit_bit_2) { fprintf(outfile, "Shared networks:\n"); fprintf(outfile, "name max cur percent touch t+c t+c perc"); if (0 < num_backups) { fprintf(outfile, " bu bu perc"); } fprintf(outfile, "\n"); } if (config.output_limit[1] & output_limit_bit_2) { for (i = 0; i < num_shared_networks; i++) { shared_p++; fprintf(outfile, "%-20s %5lu %5lu %10.3f %7lu %6lu %9.3f", shared_p->name, shared_p->available, shared_p->used, (float)(100 * shared_p->used) / shared_p->available, shared_p->touched, shared_p->touched + shared_p->used, (float)(100 * (shared_p->touched + shared_p->used)) / shared_p->available); if (0 < num_backups) { fprintf(outfile, "%7lu %8.3f", shared_p->backups, (float)(100 * shared_p->backups) / shared_p->available); } fprintf(outfile, "\n"); } } if (config.output_limit[1] & output_limit_bit_2 && config.output_limit[0] & output_limit_bit_3) { fprintf(outfile, "\n"); } if (config.output_limit[0] & output_limit_bit_3) { fprintf(outfile, "Sum of all ranges:\n"); fprintf(outfile, "name max cur percent touch t+c t+c perc"); if (0 < num_backups) { fprintf(outfile, " bu bu perc"); } fprintf(outfile, "\n"); } if (config.output_limit[1] & output_limit_bit_3) { fprintf(outfile, "%-20s %5lu %5lu %10.3f %7lu %6lu %9.3f", shared_networks->name, shared_networks->available, shared_networks->used, (float)(100 * shared_networks->used) / shared_networks->available, shared_networks->touched, shared_networks->touched + shared_networks->used, (float)(100 * (shared_networks->touched + shared_networks->used)) / shared_networks->available); if (0 < num_backups) { fprintf(outfile, "%7lu %8.3f", shared_networks->backups, (float)(100 * shared_networks->backups) / shared_networks->available); } fprintf(outfile, "\n"); } if (outfile == stdout) { ret = fflush(stdout); if (ret) { warn("output_txt: fflush"); } } else { ret = close_stream(outfile); if (ret) { warn("output_txt: fclose"); } } return 0; } int output_xml(void) { unsigned int i; struct in_addr first, last; struct range_t *range_p; struct shared_network_t *shared_p; struct macaddr_t *macaddr_p; int ret; FILE *outfile; if (config.output_file[0]) { outfile = fopen(config.output_file, "w+"); if (outfile == NULL) { err(EXIT_FAILURE, "output_xml: %s", config.output_file); } } else { outfile = stdout; } range_p = ranges; shared_p = shared_networks; fprintf(outfile, "<dhcpstatus>\n"); if (macaddr != NULL) { for (macaddr_p = macaddr; macaddr_p->next != NULL; macaddr_p = macaddr_p->next) { fprintf(outfile, "<active_lease>\n\t<ip>%s</ip>\n\t<macaddress>%s</macaddress>\n</active_lease>\n", macaddr_p->ip, macaddr_p->ethernet); } } if (config.output_limit[1] & output_limit_bit_1) { for (i = 0; i < num_ranges; i++) { first.s_addr = ntohl(range_p->first_ip + 1); last.s_addr = ntohl(range_p->last_ip - 1); fprintf(outfile, "<subnet>\n"); if (range_p->shared_net) { fprintf(outfile, "\t<location>%s</location>\n", range_p->shared_net->name); } else { fprintf(outfile, "\t<location></location>\n"); } fprintf(outfile, "\t<network></network>\n"); fprintf(outfile, "\t<netmask></netmask>\n"); fprintf(outfile, "\t<range>%s ", inet_ntoa(first)); fprintf(outfile, "- %s</range>\n", inet_ntoa(last)); fprintf(outfile, "\t<gateway></gateway>\n"); fprintf(outfile, "\t<defined>%" PRIu32 "</defined>\n", range_p->last_ip - range_p->first_ip - 1); fprintf(outfile, "\t<used>%lu</used>\n", range_p->count); fprintf(outfile, "\t<free>%lu</free>\n", range_p->last_ip - range_p->first_ip - 1 - range_p->count); range_p++; fprintf(outfile, "</subnet>\n"); } } if (config.output_limit[1] & output_limit_bit_2) { for (i = 0; i < num_shared_networks; i++) {