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SELinux: Move execmod to the common perms 

execmod "could" show up on non regular files and non chr files.  The current
implementation would actually make these checks against non-existant bits
since the code assumes the execmod permission is same for all file types.
To make this line up for chr files we had to define execute_no_trans and
entrypoint permissions.  These permissions are unreachable and only existed
to to make FILE__EXECMOD and CHR_FILE__EXECMOD the same.  This patch drops
those needless perms as well.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by:  Stephen D. Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris 2010-07-23 11:44:15 -04:00 committed by James Morris
parent 49b7b8de46
commit b424485abe
1 changed files with 3 additions and 4 deletions
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7
security/selinux/include/classmap.h
View File

@ -3,7 +3,7 @@
#define COMMON_FILE_PERMS COMMON_FILE_SOCK_PERMS, "unlink", "link", \
"rename", "execute", "swapon", "quotaon", "mounton", "audit_access", \
"open"
"open", "execmod"
#define COMMON_SOCK_PERMS COMMON_FILE_SOCK_PERMS, "bind", "connect", \
"listen", "accept", "getopt", "setopt", "shutdown", "recvfrom", \
@ -44,7 +44,7 @@ struct security_class_mapping secclass_map[] = {
"quotaget", NULL } },
{ "file",
{ COMMON_FILE_PERMS,
"execute_no_trans", "entrypoint", "execmod", NULL } },
"execute_no_trans", "entrypoint", NULL } },
{ "dir",
{ COMMON_FILE_PERMS, "add_name", "remove_name",
"reparent", "search", "rmdir", NULL } },
@ -52,8 +52,7 @@ struct security_class_mapping secclass_map[] = {
{ "lnk_file",
{ COMMON_FILE_PERMS, NULL } },
{ "chr_file",
{ COMMON_FILE_PERMS,
"execute_no_trans", "entrypoint", "execmod", NULL } },
{ COMMON_FILE_PERMS, NULL } },
{ "blk_file",
{ COMMON_FILE_PERMS, NULL } },
{ "sock_file",