hardenedbsd/HardenedBSD
1
0
Fork 0
mirror of https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git synced 2024-11-26 02:20:51 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix parsing of '0' and non-alphanumerics in steps. Previously, an

Browse Source 
entry having stepping value of zero can cause crontab to hang there,
and if the main crontab is being changed in this way, then cron(8)
will keep spining.

Obtained from:	OpenBSD [src/usr.sbin/cron/entry.c,v 1.17]
PR:		68683 (my own, but forgot to commit it...)
MFC After:	1 week
This commit is contained in:
Xin LI 2005-02-14 14:09:21 +00:00
parent 843cfd5ae0
commit d159401da0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=141915
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
usr.sbin/cron/lib/entry.c
View File

@ -543,7 +543,7 @@ get_range(bits, low, high, names, ch, file)
* sent as a 0 since there is no offset either.
*/
ch = get_number(&num3, 0, PPC_NULL, ch, file);
if (ch == EOF)
if (ch == EOF || num3 == 0)
return EOF;
} else {
/* no step. default==1.
@ -592,6 +592,8 @@ get_number(numptr, low, names, ch, file)
ch = get_char(file);
}
*pc = '\0';
if (len == 0)
return (EOF);
/* try to find the name in the name list
*/