45 safefile(fn, uid, gid, user, flags, mode, st)
46 	char *fn;
64 			fn, (int) uid, (int) gid, flags, mode);
66 	if (sm_strlcpy(fbuf, fn, sizeof fbuf) >= sizeof fbuf)
72 	fn = fbuf;
82 	if ((bitset(SFF_NOSLINK, flags) ? lstat(fn, st)
83 					: stat(fn, st)) < 0)
85 	if (stat(fn, st) < 0)
125 		p = strrchr(fn, '/');
134 			ret = safedirpath(fn, uid, gid, user,
147 			if (!bitset(SFF_NOSLINK, flags) && lstat(fn, st) < 0)
164 		p = strrchr(fn, '/');
172 			ret = safedirpath(fn, uid, gid, user, flags, 0, 0);
187 		char *dir = fn;
393 safedirpath(fn, uid, gid, user, flags, level, offset)  in safedirpath()  argument
394 	char *fn;  in safedirpath()
415 	if (level < 0 || offset < 0 || offset > strlen(fn))
419 	if (*fn == '\0')
420 		fn = "/";
424 			fn, (long) uid, (long) gid, flags, level, offset);
430 	if (sm_strlcpy(s, fn, sizeof s) >= sizeof s)
662 		sm_dprintf("\t[dir %s] %s\n", fn,
680 safeopen(fn, omode, cmode, sff)  in safeopen()  argument
681 	char *fn;  in safeopen()
696 			   fn, omode, cmode, sff);
720 		rval = safefile(fn, RunAsUid, RunAsGid, RunAsUserName,
723 		rval = safefile(fn, RealUid, RealGid, RealUserName,
745 	fd = dfopen(fn, omode, cmode, sff);
748 	if (filechanged(fn, fd, &stb))
750 		syserr("554 5.3.0 cannot open: file %s changed after open", fn);
764 		       fn);
787 safefopen(fn, omode, cmode, sff)  in safefopen()  argument
788 	char *fn;  in safefopen()
824 	fd = safeopen(fn, omode, cmode, sff);
843 			   fn, fmode, omode, sff, sm_errstring(errno));
863 filechanged(fn, fd, stb)  in filechanged()  argument
864 	char *fn;  in filechanged()
874 		if (lstat(fn, stb) < 0 || stb->st_nlink != 1)