diff -ur xfig.3.2.5b/f_readeps.c xfig.3.2.5b.new/f_readeps.c --- xfig.3.2.5b/f_readeps.c 2009-03-30 17:52:18.000000000 +0200 +++ xfig.3.2.5b.new/f_readeps.c 2010-11-25 16:53:54.328247928 +0100 @@ -252,12 +252,13 @@ { char buf[300]; FILE *tmpfp, *pixfile, *gsfile; - char *psnam, *driver; + char *driver; int status, wid, ht, nbitmap, fd; char tmpfile[PATH_MAX], pixnam[PATH_MAX], errnam[PATH_MAX], - gscom[2 * PATH_MAX]; + gscom[2 * PATH_MAX], + psnam[PATH_MAX]; wid = urx - llx; ht = ury - lly; @@ -307,19 +308,14 @@ /* for color, use pcx */ driver = "pcx256"; } - /* avoid absolute paths (for Cygwin with gswin32) by changing directory */ - if (tmpfile[0] == '/') { - psnam = strrchr(tmpfile, '/'); - *psnam = 0; - sprintf(gscom, "cd \"%s/\";", tmpfile); - *psnam++ = '/'; /* Restore name for unlink() below */ - } else { - psnam = tmpfile; - gscom[0] = '\0'; + /* Canonicalize the eps file filename, needed to "defeat" -dSAFER */ + if (!realpath(tmpfile, psnam)) { + file_msg("Cannot canonicalize %s: %s\n", tmpfile, strerror(errno)); + return False; } - sprintf(&gscom[strlen(gscom)], - "%s -r72x72 -dSAFER -sDEVICE=%s -g%dx%d -sOutputFile=%s -q - > %s 2>&1", - appres.ghostscript, driver, wid, ht, pixnam, errnam); + sprintf(gscom, + "%s -r72x72 -sDEVICE=%s -g%dx%d -sOutputFile=%s -dDELAYSAFER -c '<< /PermitFileReading [ (%s)] >> setuserparams .locksafe' -dSAFER -q - > %s 2>&1", + appres.ghostscript, driver, wid, ht, pixnam, psnam, errnam); if (appres.DEBUG) fprintf(stderr,"calling: %s\n",gscom); if ((gsfile = popen(gscom, "w")) == 0) {