diff options
| -rw-r--r-- | include/linux/audit.h | 17 | ||||
| -rw-r--r-- | kernel/audit.c | 20 | ||||
| -rw-r--r-- | security/selinux/nlmsgtab.c | 17 |
3 files changed, 11 insertions, 43 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h index 2f5dc60..17ea5d5 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -51,14 +51,8 @@ #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ -#define AUDIT_USER_AUTH 1100 /* User space authentication */ -#define AUDIT_USER_ACCT 1101 /* User space acct change */ -#define AUDIT_USER_MGMT 1102 /* User space acct management */ -#define AUDIT_CRED_ACQ 1103 /* User space credential acquired */ -#define AUDIT_CRED_DISP 1104 /* User space credential disposed */ -#define AUDIT_USER_START 1105 /* User space session start */ -#define AUDIT_USER_END 1106 /* User space session end */ -#define AUDIT_USER_AVC 1107 /* User space avc message */ +#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages uninteresting to kernel */ +#define AUDIT_LAST_USER_MSG 1199 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ @@ -173,13 +167,6 @@ #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) -#ifndef __KERNEL__ -struct audit_message { - struct nlmsghdr nlh; - char data[1200]; -}; -#endif - struct audit_status { __u32 mask; /* Bit mask for valid entries */ __u32 enabled; /* 1 = enabled, 0 = disabled */ diff --git a/kernel/audit.c b/kernel/audit.c index a0e33b6..e6d8863 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -325,15 +325,7 @@ static int audit_netlink_ok(kernel_cap_t eff_cap, u16 msg_type) if (!cap_raised(eff_cap, CAP_AUDIT_CONTROL)) err = -EPERM; break; - case AUDIT_USER: - case AUDIT_USER_AUTH: - case AUDIT_USER_ACCT: - case AUDIT_USER_MGMT: - case AUDIT_CRED_ACQ: - case AUDIT_CRED_DISP: - case AUDIT_USER_START: - case AUDIT_USER_END: - case AUDIT_USER_AVC: + case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG: if (!cap_raised(eff_cap, CAP_AUDIT_WRITE)) err = -EPERM; break; @@ -402,15 +394,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) audit_set_backlog_limit(status_get->backlog_limit, loginuid); break; - case AUDIT_USER: - case AUDIT_USER_AUTH: - case AUDIT_USER_ACCT: - case AUDIT_USER_MGMT: - case AUDIT_CRED_ACQ: - case AUDIT_CRED_DISP: - case AUDIT_USER_START: - case AUDIT_USER_END: - case AUDIT_USER_AVC: + case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG: ab = audit_log_start(NULL, msg_type); if (!ab) break; /* audit_panic has been called */ diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index 67e77ac..f0fb6d76 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -98,14 +98,6 @@ static struct nlmsg_perm nlmsg_audit_perms[] = { AUDIT_DEL, NETLINK_AUDIT_SOCKET__NLMSG_WRITE }, { AUDIT_USER, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, { AUDIT_SIGNAL_INFO, NETLINK_AUDIT_SOCKET__NLMSG_READ }, - { AUDIT_USER_AUTH, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_USER_ACCT, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_USER_MGMT, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_CRED_ACQ, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_CRED_DISP, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_USER_START, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_USER_END, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, - { AUDIT_USER_AVC, NETLINK_AUDIT_SOCKET__NLMSG_RELAY }, }; @@ -150,8 +142,13 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm) break; case SECCLASS_NETLINK_AUDIT_SOCKET: - err = nlmsg_perm(nlmsg_type, perm, nlmsg_audit_perms, - sizeof(nlmsg_audit_perms)); + if (nlmsg_type >= AUDIT_FIRST_USER_MSG && + nlmsg_type <= AUDIT_LAST_USER_MSG) { + *perm = NETLINK_AUDIT_SOCKET__NLMSG_RELAY; + } else { + err = nlmsg_perm(nlmsg_type, perm, nlmsg_audit_perms, + sizeof(nlmsg_audit_perms)); + } break; /* No messaging from userspace, or class unknown/unhandled */ |
