/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "ftmacros.h"
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <pcap.h> // for PCAP_ERRBUF_SIZE
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#include "sockutils.h" // for SOCK_DEBUG_MESSAGE
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#include "portability.h"
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#include "rpcapd.h"
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#include "config_params.h" // configuration file parameters
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#include "fileconf.h"
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#include "rpcap-protocol.h"
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static int strrem(char *string, char chr);
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void fileconf_read(void)
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{
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FILE *fp;
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char msg[PCAP_ERRBUF_SIZE + 1];
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int i;
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if ((fp = fopen(loadfile, "r")) != NULL)
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{
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char line[MAX_LINE + 1];
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char *ptr;
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hostlist[0] = 0;
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i = 0;
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while (fgets(line, MAX_LINE, fp) != NULL)
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{
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if (line[0] == '\n') continue; // Blank line
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if (line[0] == '\r') continue; // Blank line
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if (line[0] == '#') continue; // Comment
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ptr = strstr(line, "ActiveClient");
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if (ptr)
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{
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char *address, *port;
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char *lasts;
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ptr = strchr(ptr, '=') + 1;
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address = pcap_strtok_r(ptr, RPCAP_HOSTLIST_SEP, &lasts);
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if ((address != NULL) && (i < MAX_ACTIVE_LIST))
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{
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port = pcap_strtok_r(NULL, RPCAP_HOSTLIST_SEP, &lasts);
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strlcpy(activelist[i].address, address, MAX_LINE);
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if (strcmp(port, "DEFAULT") == 0) // the user choose a custom port
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strlcpy(activelist[i].port, RPCAP_DEFAULT_NETPORT_ACTIVE, MAX_LINE);
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else
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strlcpy(activelist[i].port, port, MAX_LINE);
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activelist[i].address[MAX_LINE] = 0;
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activelist[i].port[MAX_LINE] = 0;
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}
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else
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SOCK_DEBUG_MESSAGE("Only MAX_ACTIVE_LIST active connections are currently supported.");
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i++;
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continue;
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}
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ptr = strstr(line, "PassiveClient");
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if (ptr)
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{
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ptr = strchr(ptr, '=') + 1;
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strlcat(hostlist, ptr, MAX_HOST_LIST);
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strlcat(hostlist, ",", MAX_HOST_LIST);
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continue;
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}
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ptr = strstr(line, "NullAuthPermit");
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if (ptr)
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{
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ptr = strstr(ptr, "YES");
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if (ptr)
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nullAuthAllowed = 1;
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else
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nullAuthAllowed = 0;
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continue;
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}
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}
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// clear the remaining fields of the active list
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while (i < MAX_ACTIVE_LIST)
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{
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activelist[i].address[0] = 0;
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activelist[i].port[0] = 0;
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i++;
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}
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// Remove all '\n' and '\r' from the strings
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strrem(hostlist, '\r');
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strrem(hostlist, '\n');
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pcap_snprintf(msg, PCAP_ERRBUF_SIZE, "New passive host list: %s\n\n", hostlist);
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SOCK_DEBUG_MESSAGE(msg);
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fclose(fp);
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}
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}
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int fileconf_save(const char *savefile)
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{
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FILE *fp;
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if ((fp = fopen(savefile, "w")) != NULL)
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{
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char *token; /*, *port;*/ // temp, needed to separate items into the hostlist
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char temphostlist[MAX_HOST_LIST + 1];
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int i = 0;
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char *lasts;
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fprintf(fp, "# Configuration file help.\n\n");
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// Save list of clients which are allowed to connect to us in passive mode
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fprintf(fp, "# Hosts which are allowed to connect to this server (passive mode)\n");
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fprintf(fp, "# Format: PassiveClient = <name or address>\n\n");
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strncpy(temphostlist, hostlist, MAX_HOST_LIST);
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temphostlist[MAX_HOST_LIST] = 0;
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token = pcap_strtok_r(temphostlist, RPCAP_HOSTLIST_SEP, &lasts);
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while(token != NULL)
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{
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fprintf(fp, "PassiveClient = %s\n", token);
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token = pcap_strtok_r(NULL, RPCAP_HOSTLIST_SEP, &lasts);
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}
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// Save list of clients which are allowed to connect to us in active mode
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fprintf(fp, "\n\n");
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fprintf(fp, "# Hosts to which this server is trying to connect to (active mode)\n");
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fprintf(fp, "# Format: ActiveClient = <name or address>, <port | DEFAULT>\n\n");
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while ((i < MAX_ACTIVE_LIST) && (activelist[i].address[0] != 0))
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{
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fprintf(fp, "ActiveClient = %s, %s\n", activelist[i].address, activelist[i].port);
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i++;
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}
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// Save if we want to permit NULL authentication
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fprintf(fp, "\n\n");
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fprintf(fp, "# Permit NULL authentication: YES or NOT\n\n");
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if (nullAuthAllowed)
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fprintf(fp, "NullAuthPermit = YES\n");
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else
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fprintf(fp, "NullAuthPermit = NO\n");
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fclose(fp);
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return 0;
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}
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else
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{
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return -1;
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}
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}
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static int strrem(char *string, char chr)
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{
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char *pos;
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int num = 0;
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int len, i;
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while ((pos = strchr(string, chr)) != NULL)
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{
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num++;
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len = strlen(pos);
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for (i = 0; i < len; i++)
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pos[i] = pos[i+1];
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}
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return num;
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}
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