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authorKees Cook <kees.cook@canonical.com>2010-02-03 15:37:13 -0800
committerJames Morris <jmorris@namei.org>2010-02-04 14:20:41 +1100
commitd78ca3cd733d8a2c3dcd88471beb1a15d973eed8 (patch)
treea27ccf86f5f7df3cc987d0203ed0bff2db46db57 /security/commoncap.c
parentsyslog: distinguish between /proc/kmsg and syscalls (diff)
downloadlinux-dev-d78ca3cd733d8a2c3dcd88471beb1a15d973eed8.tar.xz
linux-dev-d78ca3cd733d8a2c3dcd88471beb1a15d973eed8.zip
syslog: use defined constants instead of raw numbers
Right now the syslog "type" action are just raw numbers which makes the source difficult to follow. This patch replaces the raw numbers with defined constants for some level of sanity. Signed-off-by: Kees Cook <kees.cook@canonical.com> Acked-by: John Johansen <john.johansen@canonical.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/commoncap.c')
-rw-r--r--security/commoncap.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index 677fad9d5cba..cf01b2eebb60 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -897,9 +897,10 @@ error:
int cap_syslog(int type, bool from_file)
{
/* /proc/kmsg can open be opened by CAP_SYS_ADMIN */
- if (type != 1 && from_file)
+ if (type != SYSLOG_ACTION_OPEN && from_file)
return 0;
- if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN))
+ if ((type != SYSLOG_ACTION_READ_ALL &&
+ type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN))
return -EPERM;
return 0;
}