46 safefile(fn, uid, gid, user, flags, mode, st)
47 	char *fn;
65 			fn, (int) uid, (int) gid, flags, mode);
67 	if (sm_strlcpy(fbuf, fn, sizeof fbuf) >= sizeof fbuf)
73 	fn = fbuf;
83 	if ((bitset(SFF_NOSLINK, flags) ? lstat(fn, st)
84 					: stat(fn, st)) < 0)
86 	if (stat(fn, st) < 0)
126 		p = strrchr(fn, '/');
135 			ret = safedirpath(fn, uid, gid, user,
148 			if (!bitset(SFF_NOSLINK, flags) && lstat(fn, st) < 0)
165 		p = strrchr(fn, '/');
173 			ret = safedirpath(fn, uid, gid, user, flags, 0, 0);
188 		char *dir = fn;
394 safedirpath(fn, uid, gid, user, flags, level, offset)  in safedirpath()  argument
395 	char *fn;  in safedirpath()
416 	if (level < 0 || offset < 0 || offset > strlen(fn))
420 	if (*fn == '\0')
421 		fn = "/";
425 			fn, (long) uid, (long) gid, flags, level, offset);
431 	if (sm_strlcpy(s, fn, sizeof s) >= sizeof s)
663 		sm_dprintf("\t[dir %s] %s\n", fn,
681 safeopen(fn, omode, cmode, sff)  in safeopen()  argument
682 	char *fn;  in safeopen()
697 			   fn, omode, cmode, sff);
721 		rval = safefile(fn, RunAsUid, RunAsGid, RunAsUserName,
724 		rval = safefile(fn, RealUid, RealGid, RealUserName,
746 	fd = dfopen(fn, omode, cmode, sff);
749 	if (filechanged(fn, fd, &stb))
751 		syserr("554 5.3.0 cannot open: file %s changed after open", fn);
765 		       fn);
788 safefopen(fn, omode, cmode, sff)  in safefopen()  argument
789 	char *fn;  in safefopen()
825 	fd = safeopen(fn, omode, cmode, sff);
844 			   fn, fmode, omode, sff, sm_errstring(errno));
864 filechanged(fn, fd, stb)  in filechanged()  argument
865 	char *fn;  in filechanged()
875 		if (lstat(fn, stb) < 0 || stb->st_nlink != 1)