/***************************************************************************** * * $Id$ * Purpose ...............: Attach files to outbound * ***************************************************************************** * Copyright (C) 1997-2004 * * Michiel Broek FIDO: 2:280/2802 * Beekmansbos 10 * 1971 BV IJmuiden * the Netherlands * * This file is part of MBSE BBS. * * This BBS is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * MBSE BBS is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MBSE BBS; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ #include "../config.h" #include "mbselib.h" /* * Attach a file to the real outbound fo a given node. * If fdn == TRUE, the the file is a forwarded tic file, then * make sure to see if there was an old file with the same name * that the old attach is removed including the .tic file so * that we will send the new file with the right .tic file. */ int attach(faddr noden, char *ofile, int mode, char flavor, int fdn) { FILE *fp; char *flofile, *thefile; int rc; if (ofile == NULL) return FALSE; if ((rc = file_exist(ofile, R_OK))) { WriteError("attach: file %s failed, %s", ofile, strerror(rc)); return FALSE; } /* * Check if we attach a file with the same name */ un_attach(&noden, ofile, fdn); flofile = calloc(PATH_MAX, sizeof(char)); thefile = calloc(PATH_MAX, sizeof(char)); sprintf(flofile, "%s", floname(&noden, flavor)); /* * Check if outbound directory exists and * create if it doesn't exist. */ mkdirs(ofile, 0770); /* * Attach file to .flo * * Note that mbcico when connected to a node opens the file "r+", * locks it with fcntl(F_SETLK), F_RDLCK, whence=0, start=0L, len=0L. * It seems that this lock is released after the files in the .flo * files are send. I don't know what will happen if we add entries * to the .flo files, this must be tested! */ if ((fp = fopen(flofile, "a+")) == NULL) { WriteError("$Can't open %s", flofile); WriteError("May be locked by mbcico"); free(flofile); free(thefile); return FALSE; } switch (mode) { case LEAVE: if (strlen(CFG.dospath)) { if (CFG.leavecase) sprintf(thefile, "@%s", Unix2Dos(ofile)); else sprintf(thefile, "@%s", tu(Unix2Dos(ofile))); } else { sprintf(thefile, "@%s", ofile); } break; case KFS: if (strlen(CFG.dospath)) { if (CFG.leavecase) sprintf(thefile, "^%s", Unix2Dos(ofile)); else sprintf(thefile, "^%s", tu(Unix2Dos(ofile))); } else { sprintf(thefile, "^%s", ofile); } break; case TFS: if (strlen(CFG.dospath)) { if (CFG.leavecase) sprintf(thefile, "#%s", Unix2Dos(ofile)); else sprintf(thefile, "#%s", tu(Unix2Dos(ofile))); } else { sprintf(thefile, "#%s", ofile); } break; } fseek(fp, 0, SEEK_END); fprintf(fp, "%s\r\n", thefile); fclose(fp); free(flofile); free(thefile); return TRUE; } int is_my_tic(char *, char *); int is_my_tic(char *filename, char *ticfile) { FILE *fp; char *buf; int Found = FALSE; buf = calloc(81, sizeof(char)); if ((fp = fopen(ticfile, "r"))) { while (fgets(buf, 80, fp)) { if (strstr(buf, filename)) { Found = TRUE; break; } } fclose(fp); } free(buf); return Found; } /* * The real unatach function, return 1 if a file is removed. */ int check_flo(faddr *, char *, char, int); int check_flo(faddr *node, char *filename, char flavor, int fdn) { char *flofile, *ticfile, *buf; FILE *fp; long filepos, newpos; char tpl = '~'; int rc = 0; buf = calloc(PATH_MAX+3, sizeof(char)); flofile = calloc(PATH_MAX, sizeof(char)); ticfile = calloc(PATH_MAX, sizeof(char)); sprintf(flofile, "%s", floname(node, flavor)); Syslog('p', "%s", flofile); if ((fp = fopen(flofile, "r+"))) { filepos = 0; while (fgets(buf, PATH_MAX +2, fp)) { newpos = ftell(fp); Striplf(buf); if (buf[strlen(buf)-1] == '\r') buf[strlen(buf)-1] = '\0'; Syslog('p', "hlo: \"%s\"", printable(buf, 0)); if (((strcmp(buf, filename) == 0) || (strcmp(buf+1, filename) == 0)) && (buf[0] != '~')) { Syslog('p', "Found"); fseek(fp, filepos, SEEK_SET); fwrite(&tpl, 1, 1, fp); fflush(fp); fseek(fp, newpos, SEEK_SET); filepos = newpos; if (fdn && fgets(buf, PATH_MAX +2, fp)) { Striplf(buf); if (buf[strlen(buf)-1] == '\r') buf[strlen(buf)-1] = '\0'; if (strstr(buf, ".tic") && is_my_tic(basename(filename), buf+1)) { unlink(buf+1); fseek(fp, filepos, SEEK_SET); fwrite(&tpl, 1, 1, fp); fflush(fp); Syslog('p', "Removed old %s and %s for %s", basename(filename), basename(buf+1), ascfnode(node, 0x1f)); } else { Syslog('p', "Removed old %s for %s", basename(filename), ascfnode(node, 0x1f)); } } else { Syslog('p', "Removed old %s for %s", basename(filename), ascfnode(node, 0x1f)); } rc = 1; break; } filepos = ftell(fp); } fclose(fp); } free(ticfile); free(flofile); free(buf); return rc; } /* * Remove a file from the flofile, also search for a .tic file. */ void un_attach(faddr *node, char *filename, int fdn) { char *base, *allname; Syslog('p', "un_attach: %s %s %s", ascfnode(node, 0x1f), filename, fdn ?"FDN":"NOR"); allname = xstrcpy(filename); base = basename(allname); if ((strlen(base) == 12) && ((strncasecmp(base+8,".su",3) == 0) || (strncasecmp(base+8,".mo",3) == 0) || (strncasecmp(base+8,".tu",3) == 0) || (strncasecmp(base+8,".we",3) == 0) || (strncasecmp(base+8,".th",3) == 0) || (strncasecmp(base+8,".fr",3) == 0) || (strncasecmp(base+8,".sa",3) == 0))) { Syslog('p', "this is arcmail, no un_attach"); free(allname); return; } free(allname); if (check_flo(node, filename, 'h', fdn) == 0) if (check_flo(node, filename, 'f', fdn) == 0) check_flo(node, filename, 'c', fdn); }