PERFORCE change 163829 for review

[Robert Watson]

http://perforce.freebsd.org/chv.cgi?CH=163829

Change 163829 by rwatson at rwatson_freebsd_capabilities on 2009/06/08 20:43:11

	Allow fork(2) in sandboxes -- pdfork(2) should be preferred, but
	fork(2) isn't harmful.

Affected files ...

.. //depot/projects/trustedbsd/capabilities/src/sys/kern/capabilities.conf#19 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/kern/init_sysent.c#32 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/kern/syscalls.c#32 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/kern/systrace_args.c#32 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/sys/syscall.h#32 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/sys/syscall.mk#32 edit
.. //depot/projects/trustedbsd/capabilities/src/sys/sys/sysproto.h#32 edit

Differences ...

==== //depot/projects/trustedbsd/capabilities/src/sys/kern/capabilities.conf#19 (text+ko) ====

@@ -38,7 +38,7 @@
 ## - sys_exit(2), abort2(2) and close(2) are very important.
 ## - Sorted alphabetically, please keep it that way.
 ##
-## $P4: //depot/projects/trustedbsd/capabilities/src/sys/kern/capabilities.conf#18 $
+## $P4: //depot/projects/trustedbsd/capabilities/src/sys/kern/capabilities.conf#19 $
 ##
 
 ##
@@ -191,6 +191,12 @@
 flock
 
 ##
+## Allow fork(2), even though it returns pids -- some applications seem to
+## prefer this interface.
+##
+fork
+
+##
 ## Allow fpathconf(2), subject to capability rights.
 ##
 fpathconf

==== //depot/projects/trustedbsd/capabilities/src/sys/kern/init_sysent.c#32 (text+ko) ====

@@ -30,7 +30,7 @@
 struct sysent sysent[] = {
 	{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },		/* 0 = syscall */
 	{ AS(sys_exit_args), (sy_call_t *)sys_exit, AUE_EXIT, NULL, 0, 0, SYF_CAPENABLED },	/* 1 = exit */
-	{ 0, (sy_call_t *)fork, AUE_FORK, NULL, 0, 0, 0 },		/* 2 = fork */
+	{ 0, (sy_call_t *)fork, AUE_FORK, NULL, 0, 0, SYF_CAPENABLED },	/* 2 = fork */
 	{ AS(read_args), (sy_call_t *)read, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED },	/* 3 = read */
 	{ AS(write_args), (sy_call_t *)write, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED },	/* 4 = write */
 	{ AS(open_args), (sy_call_t *)open, AUE_OPEN_RWTC, NULL, 0, 0, 0 },	/* 5 = open */

==== //depot/projects/trustedbsd/capabilities/src/sys/kern/syscalls.c#32 (text+ko) ====


==== //depot/projects/trustedbsd/capabilities/src/sys/kern/systrace_args.c#32 (text+ko) ====


==== //depot/projects/trustedbsd/capabilities/src/sys/sys/syscall.h#32 (text+ko) ====


==== //depot/projects/trustedbsd/capabilities/src/sys/sys/syscall.mk#32 (text+ko) ====


==== //depot/projects/trustedbsd/capabilities/src/sys/sys/sysproto.h#32 (text+ko) ====