| 797 |
I was using PAGE_SIZE (4096 in many environments) |
I was using PAGE_SIZE (4096 in many environments) |
| 798 |
as the max length of any string data. |
as the max length of any string data. |
| 799 |
But for environments that have larger PAGE_SIZE, |
But for environments that have larger PAGE_SIZE, |
| 800 |
doing memset(ptr, 0, PAGE_SIZE) everytime is too wasteful. |
doing memset(ptr, 0, PAGE_SIZE) every time is too wasteful. |
| 801 |
|
|
| 802 |
Fix 2007/01/29 |
Fix 2007/01/29 |
| 803 |
|
|
| 2812 |
@ Serialize updating profile's comment line. |
@ Serialize updating profile's comment line. |
| 2813 |
|
|
| 2814 |
We need to serialize when updating COMMENT= line in /proc/ccs/profile . |
We need to serialize when updating COMMENT= line in /proc/ccs/profile . |
| 2815 |
|
|
| 2816 |
|
Version 1.8.1 2011/04/01 Usability enhancement with "Zettai, Daijoubudayo" release! |
| 2817 |
|
|
| 2818 |
|
Fix 2011/04/03 |
| 2819 |
|
|
| 2820 |
|
@ Fix fcntl(F_SETFL, O_APPEND) handling. |
| 2821 |
|
|
| 2822 |
|
Since 1.8.0, TOMOYO was by error checking "file write" permission rather |
| 2823 |
|
than "file append" permission when changing file's writing mode from |
| 2824 |
|
"overwriting" to "append". |
| 2825 |
|
|
| 2826 |
|
This error should impact little (except CentOS 6.0 kernels) because once |
| 2827 |
|
a file was opened for "overwriting" mode, changing that file to "append" |
| 2828 |
|
mode cannot undo overwriting the file. Regarding CentOS 6.0 kernels, |
| 2829 |
|
due to different ACC_MODE definition, TOMOYO was by error needlessly |
| 2830 |
|
checking "file read" permission when fcntl() was requested. |
| 2831 |
|
|
| 2832 |
|
Fix 2011/04/20 |
| 2833 |
|
|
| 2834 |
|
@ Remove unused "struct inode *" parameter from hooks. |
| 2835 |
|
|
| 2836 |
|
Since pre-vfs functions were removed on 2010/09/18, "struct inode *" |
| 2837 |
|
parameter which was used for checking parent directory's DAC permission |
| 2838 |
|
is no longer used. |
| 2839 |
|
|
| 2840 |
|
Note that "struct ccsecurity_operations ccsecurity_ops" has changed. |
| 2841 |
|
Loadable kernel modules that depends on it need to be rebuilt. |
| 2842 |
|
|
| 2843 |
|
Fix 2011/05/05 |
| 2844 |
|
|
| 2845 |
|
@ Fix wrong profile number in audit logs for "misc env" permission. |
| 2846 |
|
|
| 2847 |
|
Profile number used for "file execute" permission was by error reused |
| 2848 |
|
when generating audit logs for "misc env" permission. |
| 2849 |
|
|
| 2850 |
|
Fix 2011/05/11 |
| 2851 |
|
|
| 2852 |
|
@ Fix wrong domainname validation. |
| 2853 |
|
|
| 2854 |
|
"<kernel>" + "/foo/\" + "/bar" was by error checked when |
| 2855 |
|
"<kernel> /foo/\* /bar" was given. As a result, legal domainnames like |
| 2856 |
|
"<kernel> /foo/\* /bar" are rejected. |
| 2857 |
|
|
| 2858 |
|
Fix 2011/06/06 |
| 2859 |
|
|
| 2860 |
|
@ Add policy namespace support. |
| 2861 |
|
|
| 2862 |
|
To be able to use TOMOYO in LXC environments, I introduced policy |
| 2863 |
|
namespace. Each policy namespace has its own set of domain policy, |
| 2864 |
|
exception policy and profiles, which are all independent of other |
| 2865 |
|
namespaces. |
| 2866 |
|
|
| 2867 |
|
@ Remove CONFIG_CCSECURITY_BUILTIN_INITIALIZERS option. |
| 2868 |
|
|
| 2869 |
|
From now on, exception policy and manager need to be able to handle |
| 2870 |
|
policy namespace (which is a <$namespace> prefix added to each line). |
| 2871 |
|
Thus, space-separated list for CONFIG_CCSECURITY_BUILTIN_INITIALIZERS is |
| 2872 |
|
no longer suitable for handling policy namespace. |
| 2873 |
|
|
| 2874 |
|
Fix 2011/06/10 |
| 2875 |
|
|
| 2876 |
|
@ Allow specifying trigger for activation. |
| 2877 |
|
|
| 2878 |
|
To be able to use TOMOYO under systemd environments where init= parameter |
| 2879 |
|
is used, I changed to allow overriding the trigger for calling external |
| 2880 |
|
policy loader and activating MAC via kernel command line options. |
| 2881 |
|
|
| 2882 |
|
Fix 2011/06/14 |
| 2883 |
|
|
| 2884 |
|
@ Remove unused "struct inode *" parameter from ccs-patch-\*.diff . |
| 2885 |
|
|
| 2886 |
|
To follow changes I made on 2011/04/20, I removed "struct inode *" from |
| 2887 |
|
ccs_mknod_permission(), ccs_mkdir_permission(), ccs_rmdir_permission(), |
| 2888 |
|
ccs_unlink_permission(), ccs_symlink_permission(), ccs_link_permission(), |
| 2889 |
|
ccs_rename_permission() that are called from fs/namei.c |
| 2890 |
|
net/unix/af_unix.c include/linux/security.c security/security.c . |
| 2891 |
|
If you have your own ccs-patch-*.diff , please update accordingly. |
| 2892 |
|
|
| 2893 |
|
Version 1.8.2 2011/06/20 Usability enhancement release. |
| 2894 |
|
|
| 2895 |
|
Fix 2011/07/07 |
| 2896 |
|
|
| 2897 |
|
@ Remove /proc/ccs/.domain_status interface. |
| 2898 |
|
|
| 2899 |
|
Writing to /proc/ccs/.domain_status can be emulated by |
| 2900 |
|
|
| 2901 |
|
( echo "select " $domainname; echo "use_profile " $profile ) | |
| 2902 |
|
/usr/sbin/ccs-loadpolicy -d |
| 2903 |
|
|
| 2904 |
|
and reading from /proc/ccs/.domain_status can be emulated by |
| 2905 |
|
|
| 2906 |
|
grep -A 1 '^<' /proc/ccs/domain_policy | |
| 2907 |
|
awk ' { if ( domainname == "" ) { if ( substr($1, 1, 1) == "<" ) |
| 2908 |
|
domainname = $0; } else if ( $1 == "use_profile" ) { |
| 2909 |
|
print $2 " " domainname; domainname = ""; } } ; ' |
| 2910 |
|
|
| 2911 |
|
. Since this interface is used by only /usr/sbin/ccs-setprofile , |
| 2912 |
|
remove this interface by updating /usr/sbin/ccs-setprofile . |
| 2913 |
|
|
| 2914 |
|
Fix 2011/07/09 |
| 2915 |
|
|
| 2916 |
|
@ Fix /proc/ccs/stat parser. |
| 2917 |
|
|
| 2918 |
|
For optimization, I changed to use simple_strtoul() rather than sscanf() |
| 2919 |
|
in ccs_write_stat(). But it caused parsing failure if space is inserted |
| 2920 |
|
before value (e.g. "Memory used by policy: $value"). |
| 2921 |
|
|
| 2922 |
|
Fix 2011/07/13 |
| 2923 |
|
|
| 2924 |
|
@ Accept "::" notation for IPv6 address. |
| 2925 |
|
|
| 2926 |
|
In order to add network access restriction to TOMOYO 2.4, I backported |
| 2927 |
|
routines for parsing/printing IPv4/IPv6 address from kernel 3.0 into |
| 2928 |
|
TOMOYO 1.8.2. |
| 2929 |
|
Now, IPv6 address accepts "::1" instead of "0:0:0:0:0:0:0:1". |
| 2930 |
|
|
| 2931 |
|
Fix 2011/09/03 |
| 2932 |
|
|
| 2933 |
|
@ Avoid race when retrying "file execute" permission check. |
| 2934 |
|
|
| 2935 |
|
There was a race window that the pathname which is subjected to |
| 2936 |
|
"file execute" permission check when retrying via supervisor's decision |
| 2937 |
|
because the pathname was recalculated upon retry. Though, there is an |
| 2938 |
|
inevitable race window even without supervisor, for we have to calculate |
| 2939 |
|
the symbolic link's pathname from "struct linux_binprm"->filename rather |
| 2940 |
|
than from "struct linux_binprm"->file because we cannot back calculate |
| 2941 |
|
the symbolic link's pathname from the dereferenced pathname. |
| 2942 |
|
|
| 2943 |
|
@ Remove unneeded daemonize(). |
| 2944 |
|
|
| 2945 |
|
Garbage collector thread is created using kthread_create() since 2.6.7. |
| 2946 |
|
Kernel threads created by kthread_create() does not need to call |
| 2947 |
|
daemonize(). |
| 2948 |
|
|
| 2949 |
|
Fix 2011/09/16 |
| 2950 |
|
|
| 2951 |
|
@ Allow specifying domain transition preference. |
| 2952 |
|
|
| 2953 |
|
I got an opinion that it is difficult to use exception policy's domain |
| 2954 |
|
transition control directives because they need to match the pathname |
| 2955 |
|
specified to "file execute" directives. For example, if "file execute |
| 2956 |
|
/bin/\*\-ls\-cat" is given, corresponding domain transition control |
| 2957 |
|
directive needs to be like "no_keep_domain /bin/\*\-ls\-cat from any". |
| 2958 |
|
|
| 2959 |
|
To solve this difficulty, I introduced optional argument that supersedes |
| 2960 |
|
exception policy's domain transition control directives. |
| 2961 |
|
|
| 2962 |
|
file execute /bin/ls keep exec.realpath="/bin/ls" exec.argv[0]="ls" |
| 2963 |
|
file execute /bin/cat keep exec.realpath="/bin/cat" exec.argv[0]="cat" |
| 2964 |
|
file execute /bin/\*\-ls\-cat child |
| 2965 |
|
file execute /usr/sbin/httpd <apache> exec.realpath="/usr/sbin/httpd" exec.argv[0]="/usr/sbin/httpd" |
| 2966 |
|
|
| 2967 |
|
This argument allows transition to different domains based on conditions. |
| 2968 |
|
|
| 2969 |
|
<kernel> /usr/sbin/sshd |
| 2970 |
|
file execute /bin/bash <kernel> /usr/sbin/sshd //batch-session exec.argc=2 exec.argv[1]="-c" |
| 2971 |
|
file execute /bin/bash <kernel> /usr/sbin/sshd //root-session task.uid=0 |
| 2972 |
|
file execute /bin/bash <kernel> /usr/sbin/sshd //nonroot-session task.uid!=0 |
| 2973 |
|
|
| 2974 |
|
Fix 2011/09/25 |
| 2975 |
|
|
| 2976 |
|
@ Simplify garbage collector. |
| 2977 |
|
|
| 2978 |
|
It turned out that use of batched processing tends to choke garbage |
| 2979 |
|
collector when certain pattern of entries are queued. Thus, I replaced it |
| 2980 |
|
with sequential processing. |
| 2981 |
|
|
| 2982 |
|
Version 1.8.3 2011/XX/XX Usability enhancement release. |
TOMOYO
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