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65 Commits

Author SHA1 Message Date
kre
7801b53db3 Add some more "crappy error detection" - the low value of 
the range of random_with_range() must not be negative (or now
we are doing unsigned modulus we might generate a very big result).
 2018-07-28 13:55:08 +00:00
kre
8650a842fd Fix from Michael Kaufmann in PR bin/53476 
Do modulus using unsigned arith, and then convert the result to
int, rather than converting the arc4random() result to int (which
might be negative) and performing a modulus on that (with a
potentially negative answer).
 2018-07-28 13:51:26 +00:00
wiz
20caeb0eac Fix Dd argument. Remove unnecessary whitespace. 2018-06-15 23:15:56 +00:00
christos
fdf2ea1385 Add -n (don't send mail if command exited normally) option. From OpenBSD via 
Job Snidjers.
 2018-06-14 22:04:28 +00:00
christos
4911152229 Replace with the OpenBSD man page. It removes some historical comparisons 
that are not very useful (and trully if any they belong to a separate section
instead of being interspersed in the document), and organizes and formats
the information better.
 2018-06-14 22:02:57 +00:00
htodd
ea01913fc3 Fix typo in function name. 2018-03-06 21:21:27 +00:00
mrg
7e43f9ab3a update for GCC 6: 
do_process has vfork() vs clobber issues
 2018-02-07 06:17:07 +00:00
christos
bdb24028e2 split out the child runner. 2018-02-04 03:37:59 +00:00
christos
3b612085a8 Remove debugging log statement 2017-09-28 02:32:51 +00:00
christos
7e10eace88 Factor out the read and write data code from the huge child_process function. 
When we create a pipe to read data, restore the sigchld signal handler since
pclose expects to wait for the child (to avoid spurious error reporting later).
 2017-09-25 08:30:46 +00:00
christos
28e539bcbb - since we use log_it for cron_pclose() use log_it for cron_popen() too 
so we can see the reason it failed.
- add log_itx() that takes a format and use it.
- simplify with asprintf()
 2017-08-17 08:53:00 +00:00
christos
8a4a6a0611 unbreak static build 2017-06-14 17:37:40 +00:00
kamil
9587e5a62b Unbreak MKPAM=no build 
Make cron(8) linkage with PAM conditional.
 2017-06-14 17:11:39 +00:00
joerg
ba06b608b5 Do not partially initialize a static variable. 2017-06-11 20:38:17 +00:00
christos
065057e635 Apply selected patches from OpenWall: 
http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/vixie-cron/

1. Add PAM support.
2. Sanitize children process reaping
3. futimens when we have an fd
4. close_all for crontab(8)
5. use a table for spool dirs instead of duplicating code.
6. handle errors from process_exit()
7. Add ENABLE_FIX_DIRECTORIES ifdef and enable it by default for compat
8. Avoid using fd's < STDERR

Not applied:
1. no xfork (no setresuid)
2. did not do the lstat before open.
3. did not enable cron group
 2017-06-09 17:36:29 +00:00
christos
cc31744fc2 I am having the last_word: Print the full hostname. 2015-12-17 22:36:48 +00:00
christos
bc0d7f41c8 fix type 2015-11-20 23:43:52 +00:00
joerg
0b40943b07 bail is dead. 2015-01-04 18:45:17 +00:00
christos
2ef06139f8 - Don't allow bypassing file size limits with crontabs from stdin. 
- Allow signals while reading the user crontab file; doing "crontab -"
  does not let you abort otherwise, and doing ^Z, kill %1 leaves turds
  in /var/cron/tabs
 2014-12-15 16:45:26 +00:00
tron
7edfdcc221 Make crontab(1) work again which got broken by the last commit. 2014-09-07 13:35:27 +00:00
joerg
5f34e14bbb Mark usage and quit as dead. 2014-09-07 13:34:12 +00:00
christos
734041fc2a store lastch to an int so that EOF is handled properly. 2014-09-06 12:18:49 +00:00
christos
ae5dea0a14 WARNS=6 2014-09-05 21:32:37 +00:00
christos
f8739668ae Rewind the file before we install it so that we can check it. 
Before this fix, no checks were made and you could install crap.
XXX: pullup 7
 2014-09-05 20:55:11 +00:00
skrll
79e4d54844 PR/48944: cron ignores '?' (question mark) time field 
Fix the obvious merge botch.
 2014-06-24 09:17:54 +00:00
christos
a362d64092 even more detailed logging 2014-06-23 01:00:48 +00:00
dholland
b30059e657 Log some actual information on various failures, so you can tell 
what happened.
 2014-06-21 04:33:53 +00:00
riastradh
6cb10275d0 Merge riastradh-drm2 to HEAD. 2014-03-18 18:20:35 +00:00
wiz
a5684d07dd Use Mt for email addresses. 2013-07-20 21:39:55 +00:00
christos
af0a310db8 PR/47362: Brian Marcotte: cron is too restrictive on file permissions 
Allow file not being writable by owner.
XXX: pullup to 6.
 2012-12-24 19:30:46 +00:00
christos
98b021fd71 make the utime and utimes cases work too. 2012-11-03 17:33:01 +00:00
christos
0a00da6dcc use utimensat(2) and correct and centralize file times handling. 2012-11-03 15:39:23 +00:00
abs
86aebb49c7 Switch -current vax back to gcc 4.1 to match netbsd-6 - until someone has 
time to look at the gcc 4.5 codegen issues we should at least have a usable
-current for vax.
 2012-06-22 20:32:34 +00:00
joerg
b757af438b Disable new -Wstring-plus-int warning where needed for now. 
Adjust various places that add GCC-only options to check for the active
compiler first.
 2012-04-04 10:59:44 +00:00
tron
d2071ea334 Fix multiple problems in previous commit: 
1.) Correct set-uid check to allow "root" to run "crontab -l" again.
2.) Don't the the last error reported in "errno" in case "crontab" is not
    installed set-uid "root". As no system-call failed "errno" is set
    to zero.
 2012-03-04 18:38:31 +00:00
christos
2ed8e2f0f4 PR/46127: Holger Weiss: "crontab <file>" fails for unprivileged users 
XXX: Pullup to 6
 2012-03-02 19:26:40 +00:00
christos
1a007818e3 simplify the bad extension code, by dsl. 2011-10-14 14:38:20 +00:00
joerg
158f0bd157 Kill redundant () 2011-10-13 16:58:30 +00:00
wiz
6bc209b109 Remove trailing whitespace. 2011-10-12 22:50:31 +00:00
christos
5a7c3e577e renamed len -> i but did not fix it everywhere. 2011-10-12 19:48:24 +00:00
christos
70b3f8cd32 process files in /etc/cron.d/ 2011-10-12 16:39:48 +00:00
christos
6ee25ca9b9 use cleantags, instead of home grown copy. 2011-10-08 19:28:38 +00:00
joerg
ba0add90b0 Disable noreturn checks for remaining external code 2011-09-16 16:41:20 +00:00
christos
27ed5dfb1a - exit with ERROR_EXIT consistently 
- don't use warnx() for things that set errno
- check result of setlogin()
- don't call setlogin() without calling setsid()
  should fix kernel warnings like:
	cron (pid NNNNN) changing logname from root to USER
	cron (pid MMMMM) changing logname from USER to root
 2011-07-17 01:16:46 +00:00
christos
bd253b6939 calling setlogin() once is good enough. 2011-07-17 01:14:25 +00:00
tron
c4f7aae542 Use setenv(3) instead of putenv(3) because the later doesn't accept 
string constants anymore.
 2010-10-02 12:22:20 +00:00
christos
6533f925b7 Document the format of the system crontab file, since cron(8) says that we do. 2010-07-15 22:18:20 +00:00
christos
4d77e7cf65 PR/43623: Takahiro Kambe: Allow /etc/crontab processing if it is not writable, 
don't insist that it is mode 0600.
 2010-07-15 20:04:14 +00:00
christos
7035a6c5ea remove bad cast. 2010-07-15 20:03:28 +00:00
christos
dbee6f29d8 PR bin/43591: Jeremy Reed: make sure that the default path is always set. 2010-07-10 21:42:29 +00:00