[PATCH] cron: Fix parsing of '0' and non-alphanumerics in steps

看板DFBSD_submit作者時間21年前 (2004/07/06 02:01), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串1/1
--Fba/0zbH8Xs+Fj9o Content-Type: multipart/mixed; boundary="wac7ysb48OaltWcw" Content-Disposition: inline --wac7ysb48OaltWcw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable With an entry with "*/0", cron will eat up all CPU, which could be solved w= ith attached patch. (essentially same as FreeBSD PR/68683) Obtained from: OpenBSD Cheers, --=20 Xin LI <delphij frontfree net> http://www.delphij.net/ See complete headers for GPG key and other information. --wac7ysb48OaltWcw Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=patch-cron-dfly Content-Transfer-Encoding: quoted-printable Index: entry.c =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D RCS file: /home/dcvs/src/usr.sbin/cron/lib/entry.c,v retrieving revision 1.5 diff -u -r1.5 entry.c --- entry.c 10 Mar 2004 18:27:28 -0000 1.5 +++ entry.c 5 Jul 2004 09:46:44 -0000 @@ -532,7 +532,7 @@ * sent as a 0 since there is no offset either. */ ch =3D get_number(&num3, 0, PPC_NULL, ch, file); - if (ch =3D=3D EOF) + if (ch =3D=3D EOF || num3 =3D=3D 0) return EOF; } else { /* no step. default=3D=3D1. @@ -582,6 +582,8 @@ ch =3D get_char(file); } *pc =3D '\0'; + if (len =3D=3D 0) + return (EOF); =20 /* try to find the name in the name list */ --wac7ysb48OaltWcw-- --Fba/0zbH8Xs+Fj9o Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFA6SQaOfuToMruuMARAnA9AJ0QSB7mALPRryBUqeONAvSWgiDxwQCeOoMb wLQ3HrxZ22VcXKbNz210p1U= =jWrZ -----END PGP SIGNATURE----- --Fba/0zbH8Xs+Fj9o--
文章代碼(AID): #10wPTm00 (DFBSD_submit)