245 lines
6.3 KiB
C
245 lines
6.3 KiB
C
/*****************************************************************************
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*
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* $Id: attach.c,v 1.30 2005/11/19 20:22:41 mbse Exp $
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* Purpose ...............: Attach files to outbound
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*
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*****************************************************************************
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* Copyright (C) 1997-2005
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "mbselib.h"
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/*
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* Attach a file to the real outbound fo a given node.
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*/
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int attach(faddr noden, char *ofile, int mode, char flavor)
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{
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FILE *fp;
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char *flofile, *thefile;
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int rc;
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if (ofile == NULL)
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return FALSE;
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if ((rc = file_exist(ofile, R_OK))) {
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WriteError("attach: file %s failed, %s", ofile, strerror(rc));
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return FALSE;
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}
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/*
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* Check if we attach a file with the same name
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*/
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un_attach(&noden, ofile);
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flofile = calloc(PATH_MAX, sizeof(char));
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thefile = calloc(PATH_MAX, sizeof(char));
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snprintf(flofile, PATH_MAX -1, "%s", floname(&noden, flavor));
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/*
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* Check if outbound directory exists and
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* create if it doesn't exist.
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*/
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mkdirs(ofile, 0770);
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/*
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* Attach file to .flo
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*
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* Note that mbcico when connected to a node opens the file "r+",
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* locks it with fcntl(F_SETLK), F_RDLCK, whence=0, start=0L, len=0L.
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* It seems that this lock is released after the files in the .flo
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* files are send. I don't know what will happen if we add entries
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* to the .flo files, this must be tested!
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*/
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if ((fp = fopen(flofile, "a+")) == NULL) {
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WriteError("$Can't open %s", flofile);
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WriteError("May be locked by mbcico");
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free(flofile);
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free(thefile);
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return FALSE;
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}
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switch (mode) {
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case LEAVE:
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if (strlen(CFG.dospath)) {
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if (CFG.leavecase)
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snprintf(thefile, PATH_MAX -1, "@%s", Unix2Dos(ofile));
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else
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snprintf(thefile, PATH_MAX -1, "@%s", tu(Unix2Dos(ofile)));
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} else {
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snprintf(thefile, PATH_MAX -1, "@%s", ofile);
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}
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break;
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case KFS:
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if (strlen(CFG.dospath)) {
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if (CFG.leavecase)
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snprintf(thefile, PATH_MAX -1, "^%s", Unix2Dos(ofile));
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else
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snprintf(thefile, PATH_MAX -1, "^%s", tu(Unix2Dos(ofile)));
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} else {
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snprintf(thefile, PATH_MAX -1, "^%s", ofile);
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}
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break;
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case TFS:
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if (strlen(CFG.dospath)) {
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if (CFG.leavecase)
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snprintf(thefile, PATH_MAX -1, "#%s", Unix2Dos(ofile));
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else
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snprintf(thefile, PATH_MAX -1, "#%s", tu(Unix2Dos(ofile)));
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} else {
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snprintf(thefile, PATH_MAX -1, "#%s", ofile);
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}
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break;
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}
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fseek(fp, 0, SEEK_END);
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fprintf(fp, "%s\r\n", thefile);
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fclose(fp);
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free(flofile);
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free(thefile);
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return TRUE;
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}
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int is_my_tic(char *, char *);
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int is_my_tic(char *filename, char *ticfile)
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{
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FILE *fp;
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char *buf;
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int Found = FALSE;
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buf = calloc(81, sizeof(char));
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if ((fp = fopen(ticfile, "r"))) {
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while (fgets(buf, 80, fp)) {
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if (strstr(buf, filename)) {
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Found = TRUE;
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break;
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}
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}
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fclose(fp);
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}
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free(buf);
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return Found;
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}
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/*
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* The real unatach function, return 1 if a file is removed.
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*/
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int check_flo(faddr *, char *, char);
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int check_flo(faddr *node, char *filename, char flavor)
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{
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char *flofile, *ticfile, *buf;
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FILE *fp;
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int filepos, newpos;
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char tpl = '~';
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int rc = 0;
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buf = calloc(PATH_MAX+3, sizeof(char));
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flofile = calloc(PATH_MAX, sizeof(char));
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ticfile = calloc(PATH_MAX, sizeof(char));
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snprintf(flofile, PATH_MAX -1, "%s", floname(node, flavor));
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if ((fp = fopen(flofile, "r+"))) {
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filepos = 0;
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while (fgets(buf, PATH_MAX +2, fp)) {
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newpos = ftell(fp);
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Striplf(buf);
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if (buf[strlen(buf)-1] == '\r')
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buf[strlen(buf)-1] = '\0';
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if (((strcmp(buf, filename) == 0) || (strcmp(buf+1, filename) == 0)) && (buf[0] != '~')) {
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fseek(fp, filepos, SEEK_SET);
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fwrite(&tpl, 1, 1, fp);
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fflush(fp);
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fseek(fp, newpos, SEEK_SET);
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filepos = newpos;
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if (fgets(buf, PATH_MAX +2, fp)) {
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Striplf(buf);
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if (buf[strlen(buf)-1] == '\r')
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buf[strlen(buf)-1] = '\0';
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if (strstr(buf, ".tic") && is_my_tic(basename(filename), buf+1)) {
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unlink(buf+1);
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fseek(fp, filepos, SEEK_SET);
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fwrite(&tpl, 1, 1, fp);
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fflush(fp);
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Syslog('+', "Removed old %s and %s for %s from outbound",
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basename(filename), basename(buf+1), ascfnode(node, 0x1f));
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} else {
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Syslog('+', "Removed old %s for %s from outbound", basename(filename), ascfnode(node, 0x1f));
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}
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} else {
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Syslog('+', "Removed old %s for %s from outbound", basename(filename), ascfnode(node, 0x1f));
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}
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rc = 1;
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break;
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}
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filepos = ftell(fp);
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}
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fclose(fp);
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}
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free(ticfile);
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free(flofile);
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free(buf);
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return rc;
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}
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/*
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* Remove a file from the flofile, also search for a .tic file.
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*/
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void un_attach(faddr *node, char *filename)
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{
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char *base, *allname;
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Syslog('p', "un_attach: %s %s", ascfnode(node, 0x1f), filename);
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allname = xstrcpy(filename);
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base = basename(allname);
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if ((strlen(base) == 12) && ((strncasecmp(base+8,".su",3) == 0) ||
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(strncasecmp(base+8,".mo",3) == 0) || (strncasecmp(base+8,".tu",3) == 0) ||
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(strncasecmp(base+8,".we",3) == 0) || (strncasecmp(base+8,".th",3) == 0) ||
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(strncasecmp(base+8,".fr",3) == 0) || (strncasecmp(base+8,".sa",3) == 0) ||
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(strncasecmp(base+8,".tic",4) == 0))) {
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free(allname);
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return;
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}
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free(allname);
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if (check_flo(node, filename, 'h') == 0)
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if (check_flo(node, filename, 'f') == 0)
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check_flo(node, filename, 'c');
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}
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