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SELinux: turn mount options strings into defines 

Convert the strings used for mount options into #defines rather than
retyping the string throughout the SELinux code.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris 2008-04-01 13:24:09 -04:00 committed by James Morris
parent 0e55a004b5
commit 832cbd9aa1
2 changed files with 13 additions and 8 deletions
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16
security/selinux/hooks.c
View File

@ -321,10 +321,10 @@ enum {
};
static match_table_t tokens = {
{Opt_context, "context=%s"},
{Opt_fscontext, "fscontext=%s"},
{Opt_defcontext, "defcontext=%s"},
{Opt_rootcontext, "rootcontext=%s"},
{Opt_context, CONTEXT_STR "%s"},
{Opt_fscontext, FSCONTEXT_STR "%s"},
{Opt_defcontext, DEFCONTEXT_STR "%s"},
{Opt_rootcontext, ROOTCONTEXT_STR "%s"},
{Opt_error, NULL},
};
@ -2287,10 +2287,10 @@ static inline int match_prefix(char *prefix, int plen, char *option, int olen)
static inline int selinux_option(char *option, int len)
{
return (match_prefix("context=", sizeof("context=")-1, option, len) ||
match_prefix("fscontext=", sizeof("fscontext=")-1, option, len) ||
match_prefix("defcontext=", sizeof("defcontext=")-1, option, len) ||
match_prefix("rootcontext=", sizeof("rootcontext=")-1, option, len));
return (match_prefix(CONTEXT_STR, sizeof(CONTEXT_STR)-1, option, len) ||
match_prefix(FSCONTEXT_STR, sizeof(FSCONTEXT_STR)-1, option, len) ||
match_prefix(DEFCONTEXT_STR, sizeof(DEFCONTEXT_STR)-1, option, len) ||
match_prefix(ROOTCONTEXT_STR, sizeof(ROOTCONTEXT_STR)-1, option, len));
}
static inline void take_option(char **to, char *from, int *first, int len)

5
security/selinux/include/security.h
View File

@ -41,6 +41,11 @@
#define ROOTCONTEXT_MNT 0x04
#define DEFCONTEXT_MNT 0x08
#define CONTEXT_STR "context="
#define FSCONTEXT_STR "fscontext="
#define ROOTCONTEXT_STR "rootcontext="
#define DEFCONTEXT_STR "defcontext="
struct netlbl_lsm_secattr;
extern int selinux_enabled;