> I like the idea, but I would prefer to have three checkboxes for this option:
Nice addition, thanks for the input.
--- linux-2.6.23.8/fs/Kconfig 2007-11-16 19:14:27.000000000 +0100
+++ linux-2.6.23.8-dhr/fs/Kconfig 2007-11-20 19:54:54.000000000 +0100
@@ -918,6 +918,36 @@
help
Exports the dump image of crashed kernel in ELF format.
+choice
+ prompt "Restrict access to /proc/<pid>-dirs"
+ default PROC_PIDDIRS_UNRESTRICTED
+config PROC_PIDDIRS_UNRESTRICTED
+ bool "no restriction"
+ depends on PROC_FS
+ help
+ Don't restrict access to /proc/<pid>-dirs, i.e. leave mode at 555
+ respectively r-xr-xr-x . This is the traditional mode of operation.
+
+ If unsure, say Y.
+config PROC_PIDDIRS_RESTRICT_TO_UG
+ bool "restrict to user and group
+ depends on PROC_FS
+ help
+ Restrict access to /proc/<pid>-dirs to user and group, i.e. set mode
+ to 550 respectively r-xr-x--- .
+
+ If unsure, say N.
+
+config PROC_PIDDIRS_RESTRICT_TO_U
+ bool "restrict to user
+ depends on PROC_FS
+ help
+ Restrict access to /proc/<pid>-dirs to user only, i.e. set mode to
+ 500 respectively r-x------ .
+
+ If unsure, say N.
+endchoice
+
config PROC_SYSCTL
bool "Sysctl support (/proc/sys)" if EMBEDDED
depends on PROC_FS
--- linux-2.6.23.8/fs/proc/base.c 2007-11-16 19:14:27.000000000 +0100
+++ linux-2.6.23.8-dhr/fs/proc/base.c 2007-11-20 20:01:33.000000000 +0100
@@ -2200,7 +2200,13 @@
if (!inode)
goto out;
+#ifdef CONFIG_PROC_PIDDIRS_UNRESTRICTED
inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
+#elifdef CONFIG_PROC_PIDDIRS_RESTRICT_TO_UG
+ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP;
+#elifdef CONFIG_PROC_PIDDIRS_RESTRICT_TO_U
+ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR;
+#endif
inode->i_op = &proc_tgid_base_inode_operations;
inode->i_fop = &proc_tgid_base_operations;
inode->i_flags|=S_IMMUTABLE;
--
Daniel
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
