/*
- * Copyright (c) 1999-2009 Apple Inc.
+ * Copyright (c) 1999-2016 Apple Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <security/mac_framework.h>
#endif
-static void audit_sys_auditon(struct audit_record *ar,
- struct au_record *rec);
-static void audit_sys_fcntl(struct kaudit_record *kar,
- struct au_record *rec);
+static void audit_sys_auditon(struct audit_record *ar,
+ struct au_record *rec);
+static void audit_sys_fcntl(struct kaudit_record *kar,
+ struct au_record *rec);
/*
* Initialize the BSM auditing subsystem.
void
kau_init(void)
{
-
au_evclassmap_init();
}
rec->len = 0;
rec->used = 1;
- return (rec);
+ return rec;
}
/*
static void
kau_write(struct au_record *rec, struct au_token *tok)
{
-
KASSERT(tok != NULL, ("kau_write: tok == NULL"));
TAILQ_INSERT_TAIL(&rec->token_q, tok, tokens);
tm.tv_usec = ctime->tv_nsec / 1000;
tm.tv_sec = ctime->tv_sec;
- if (hdrsize != AUDIT_HEADER_SIZE)
+ if (hdrsize != AUDIT_HEADER_SIZE) {
hdr = au_to_header32_ex_tm(tot_rec_size, event, 0, tm, &ak);
- else
+ } else {
hdr = au_to_header32_tm(tot_rec_size, event, 0, tm);
+ }
TAILQ_INSERT_HEAD(&rec->token_q, hdr, tokens);
trail = au_to_trailer(tot_rec_size);
* caller are OK with this.
*/
#if CONFIG_MACF
-#define MAC_VNODE1_LABEL_TOKEN do { \
- if (ar->ar_vnode1_mac_labels != NULL && \
- strlen(ar->ar_vnode1_mac_labels) != 0) { \
- tok = au_to_text(ar->ar_vnode1_mac_labels); \
- kau_write(rec, tok); \
- } \
+#define MAC_VNODE1_LABEL_TOKEN do { \
+ if (ar->ar_vnode1_mac_labels != NULL && \
+ strlen(ar->ar_vnode1_mac_labels) != 0) { \
+ tok = au_to_text(ar->ar_vnode1_mac_labels); \
+ kau_write(rec, tok); \
+ } \
} while (0)
-#define MAC_VNODE2_LABEL_TOKEN do { \
- if (ar->ar_vnode2_mac_labels != NULL && \
- strlen(ar->ar_vnode2_mac_labels) != 0) { \
- tok = au_to_text(ar->ar_vnode2_mac_labels); \
- kau_write(rec, tok); \
- } \
+#define MAC_VNODE2_LABEL_TOKEN do { \
+ if (ar->ar_vnode2_mac_labels != NULL && \
+ strlen(ar->ar_vnode2_mac_labels) != 0) { \
+ tok = au_to_text(ar->ar_vnode2_mac_labels); \
+ kau_write(rec, tok); \
+ } \
} while (0)
#else
-#define MAC_VNODE1_LABEL_TOKEN
-#define MAC_VNODE2_LABEL_TOKEN
+#define MAC_VNODE1_LABEL_TOKEN
+#define MAC_VNODE2_LABEL_TOKEN
#endif
-#define UPATH1_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_UPATH1)) { \
- tok = au_to_path(ar->ar_arg_upath1); \
- kau_write(rec, tok); \
- } \
+#define UPATH1_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_UPATH1)) { \
+ tok = au_to_path(ar->ar_arg_upath1); \
+ kau_write(rec, tok); \
+ } \
} while (0)
-#define UPATH2_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_UPATH2)) { \
- tok = au_to_path(ar->ar_arg_upath2); \
- kau_write(rec, tok); \
- } \
+#define UPATH2_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_UPATH2)) { \
+ tok = au_to_path(ar->ar_arg_upath2); \
+ kau_write(rec, tok); \
+ } \
} while (0)
-#define VNODE1_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
- tok = au_to_path(ar->ar_arg_kpath1); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
- tok = au_to_attr32(&ar->ar_arg_vnode1); \
- kau_write(rec, tok); \
- MAC_VNODE1_LABEL_TOKEN; \
- } \
+#define KPATH2_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_KPATH2)) { \
+ tok = au_to_path(ar->ar_arg_kpath2); \
+ kau_write(rec, tok); \
+ } \
} while (0)
-#define UPATH1_VNODE1_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_UPATH1)) { \
- tok = au_to_path(ar->ar_arg_upath1); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
- tok = au_to_path(ar->ar_arg_kpath1); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
- tok = au_to_attr32(&ar->ar_arg_vnode1); \
- kau_write(rec, tok); \
- MAC_VNODE1_LABEL_TOKEN; \
- } \
+#define VNODE1_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
+ tok = au_to_path(ar->ar_arg_kpath1); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
+ tok = au_to_attr32(&ar->ar_arg_vnode1); \
+ kau_write(rec, tok); \
+ MAC_VNODE1_LABEL_TOKEN; \
+ } \
} while (0)
-#define VNODE2_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_VNODE2)) { \
- tok = au_to_attr32(&ar->ar_arg_vnode2); \
- kau_write(rec, tok); \
- MAC_VNODE2_LABEL_TOKEN; \
- } \
+#define UPATH1_VNODE1_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_UPATH1)) { \
+ tok = au_to_path(ar->ar_arg_upath1); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
+ tok = au_to_path(ar->ar_arg_kpath1); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
+ tok = au_to_attr32(&ar->ar_arg_vnode1); \
+ kau_write(rec, tok); \
+ MAC_VNODE1_LABEL_TOKEN; \
+ } \
} while (0)
-#define FD_VNODE1_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
- if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
- tok = au_to_path(ar->ar_arg_kpath1); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_FD)) { \
- tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \
- kau_write(rec, tok); \
- MAC_VNODE1_LABEL_TOKEN; \
- } \
- tok = au_to_attr32(&ar->ar_arg_vnode1); \
- kau_write(rec, tok); \
- } else { \
- if (ARG_IS_VALID(kar, ARG_FD)) { \
- tok = au_to_arg32(1, "fd", \
- ar->ar_arg_fd); \
- kau_write(rec, tok); \
- MAC_VNODE1_LABEL_TOKEN; \
- } \
- } \
+#define VNODE2_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_VNODE2)) { \
+ tok = au_to_attr32(&ar->ar_arg_vnode2); \
+ kau_write(rec, tok); \
+ MAC_VNODE2_LABEL_TOKEN; \
+ } \
} while (0)
-#define PROCESS_PID_TOKENS(argn) do { \
- if ((ar->ar_arg_pid > 0) /* Reference a single process */ \
- && (ARG_IS_VALID(kar, ARG_PROCESS))) { \
- tok = au_to_process32_ex(ar->ar_arg_auid, \
- ar->ar_arg_euid, ar->ar_arg_egid, \
- ar->ar_arg_ruid, ar->ar_arg_rgid, \
- ar->ar_arg_pid, ar->ar_arg_asid, \
- &ar->ar_arg_termid_addr); \
- kau_write(rec, tok); \
- } else if (ARG_IS_VALID(kar, ARG_PID)) { \
- tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \
- kau_write(rec, tok); \
- } \
+#define VNODE2_PATH_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_KPATH2)) { \
+ tok = au_to_path(ar->ar_arg_kpath2); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_VNODE2)) { \
+ tok = au_to_attr32(&ar->ar_arg_vnode2); \
+ kau_write(rec, tok); \
+ MAC_VNODE2_LABEL_TOKEN; \
+ } \
} while (0)
-#define EXTATTR_TOKENS do { \
- if (ARG_IS_VALID(kar, ARG_VALUE32)) { \
- switch (ar->ar_arg_value32) { \
- case EXTATTR_NAMESPACE_USER: \
- tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\
- break; \
- case EXTATTR_NAMESPACE_SYSTEM: \
- tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\
- break; \
- default: \
- tok = au_to_arg32(3, "attrnamespace", \
- ar->ar_arg_value32); \
- break; \
- } \
- kau_write(rec, tok); \
- } \
- /* attrname is in the text field */ \
- if (ARG_IS_VALID(kar, ARG_TEXT)) { \
- tok = au_to_text(ar->ar_arg_text); \
- kau_write(rec, tok); \
- } \
+#define FD_VNODE1_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
+ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \
+ tok = au_to_path(ar->ar_arg_kpath1); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_FD)) { \
+ tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \
+ kau_write(rec, tok); \
+ MAC_VNODE1_LABEL_TOKEN; \
+ } \
+ tok = au_to_attr32(&ar->ar_arg_vnode1); \
+ kau_write(rec, tok); \
+ } else { \
+ if (ARG_IS_VALID(kar, ARG_FD)) { \
+ tok = au_to_arg32(1, "fd", \
+ ar->ar_arg_fd); \
+ kau_write(rec, tok); \
+ MAC_VNODE1_LABEL_TOKEN; \
+ } \
+ } \
} while (0)
-#define EXTENDED_TOKENS(n) do { \
- /* ACL data */ \
- if (ARG_IS_VALID(kar, ARG_OPAQUE)) { \
- tok = au_to_opaque(ar->ar_arg_opaque, \
- ar->ar_arg_opq_size); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_MODE)) { \
- tok = au_to_arg32(n+2, "mode", ar->ar_arg_mode);\
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_GID)) { \
- tok = au_to_arg32(n+1, "gid", ar->ar_arg_gid); \
- kau_write(rec, tok); \
- } \
- if (ARG_IS_VALID(kar, ARG_UID)) { \
- tok = au_to_arg32(n, "uid", ar->ar_arg_uid); \
- kau_write(rec, tok); \
- } \
+#define PROCESS_PID_TOKENS(argn) do { \
+ if ((ar->ar_arg_pid > 0) /* Reference a single process */ \
+ && (ARG_IS_VALID(kar, ARG_PROCESS))) { \
+ tok = au_to_process32_ex(ar->ar_arg_auid, \
+ ar->ar_arg_euid, ar->ar_arg_egid, \
+ ar->ar_arg_ruid, ar->ar_arg_rgid, \
+ ar->ar_arg_pid, ar->ar_arg_asid, \
+ &ar->ar_arg_termid_addr); \
+ kau_write(rec, tok); \
+ } else if (ARG_IS_VALID(kar, ARG_PID)) { \
+ tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \
+ kau_write(rec, tok); \
+ } \
} while (0)
-#define PROCESS_MAC_TOKENS do { \
- if (ar->ar_valid_arg & ARG_MAC_STRING) { \
- tok = au_to_text(ar->ar_arg_mac_string); \
- kau_write(rec, tok); \
- } \
+#define EXTATTR_TOKENS do { \
+ if (ARG_IS_VALID(kar, ARG_VALUE32)) { \
+ switch (ar->ar_arg_value32) { \
+ case EXTATTR_NAMESPACE_USER: \
+ tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\
+ break; \
+ case EXTATTR_NAMESPACE_SYSTEM: \
+ tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\
+ break; \
+ default: \
+ tok = au_to_arg32(3, "attrnamespace", \
+ ar->ar_arg_value32); \
+ break; \
+ } \
+ kau_write(rec, tok); \
+ } \
+ /* attrname is in the text field */ \
+ if (ARG_IS_VALID(kar, ARG_TEXT)) { \
+ tok = au_to_text(ar->ar_arg_text); \
+ kau_write(rec, tok); \
+ } \
+} while (0)
+
+#define EXTENDED_TOKENS(n) do { \
+ /* ACL data */ \
+ if (ARG_IS_VALID(kar, ARG_OPAQUE)) { \
+ tok = au_to_opaque(ar->ar_arg_opaque, \
+ ar->ar_arg_opq_size); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_MODE)) { \
+ tok = au_to_arg32(n+2, "mode", ar->ar_arg_mode);\
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_GID)) { \
+ tok = au_to_arg32(n+1, "gid", ar->ar_arg_gid); \
+ kau_write(rec, tok); \
+ } \
+ if (ARG_IS_VALID(kar, ARG_UID)) { \
+ tok = au_to_arg32(n, "uid", ar->ar_arg_uid); \
+ kau_write(rec, tok); \
+ } \
+} while (0)
+
+#define PROCESS_MAC_TOKENS do { \
+ if (ar->ar_valid_arg & ARG_MAC_STRING) { \
+ tok = au_to_text(ar->ar_arg_mac_string); \
+ kau_write(rec, tok); \
+ } \
} while (0)
/*
kau_write(rec, tok);
break;
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case A_SETPOLICY:
tok = au_to_arg32(3, "length", ar->ar_arg_len);
kau_write(rec, tok);
kau_write(rec, tok);
break;
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case A_SETQCTRL:
tok = au_to_arg32(3, "length", ar->ar_arg_len);
kau_write(rec, tok);
kau_write(rec, tok);
break;
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case A_SETCOND:
tok = au_to_arg32(3, "length", ar->ar_arg_len);
kau_write(rec, tok);
struct audit_record *ar = &kar->k_ar;
switch (ar->ar_arg_cmd) {
-
case F_DUPFD:
if (ARG_IS_VALID(kar, ARG_VALUE32)) {
tok = au_to_arg32(3, "min fd", ar->ar_arg_value32);
}
break;
-#ifdef F_SETSIZE
+#ifdef F_SETSIZE
case F_SETSIZE:
if (ARG_IS_VALID(kar, ARG_VALUE64)) {
tok = au_to_arg64(3, "offset", ar->ar_arg_value64);
break;
#endif /* F_SETSIZE */
-#ifdef F_PATHPKG_CHECK
+#ifdef F_PATHPKG_CHECK
case F_PATHPKG_CHECK:
if (ARG_IS_VALID(kar, ARG_TEXT)) {
tok = au_to_text(ar->ar_arg_text);
tid.machine = ar->ar_subj_term_addr.at_addr[0];
subj_tok = au_to_subject32(ar->ar_subj_auid, /* audit ID */
ar->ar_subj_cred.cr_uid, /* eff uid */
- ar->ar_subj_egid, /* eff group id */
- ar->ar_subj_ruid, /* real uid */
- ar->ar_subj_rgid, /* real group id */
- ar->ar_subj_pid, /* process id */
- ar->ar_subj_asid, /* session ID */
+ ar->ar_subj_egid, /* eff group id */
+ ar->ar_subj_ruid, /* real uid */
+ ar->ar_subj_rgid, /* real group id */
+ ar->ar_subj_pid, /* process id */
+ ar->ar_subj_asid, /* session ID */
&tid);
break;
case AU_IPv6:
* header and trailer tokens are added by the kau_close() function.
* The return token is added outside of the switch statement.
*/
- switch(ar->ar_event) {
+ switch (ar->ar_event) {
case AUE_SENDFILE:
/* For sendfile the file and socket descriptor are both saved */
if (ARG_IS_VALID(kar, ARG_VALUE32)) {
tok = au_to_arg32(2, "sd", ar->ar_arg_value32);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_ACCEPT:
case AUE_BIND:
case AUE_LISTEN:
}
if (ARG_IS_VALID(kar, ARG_SADDRINET6)) {
tok = au_to_sock_inet128((struct sockaddr_in6 *)
- &ar->ar_arg_sockaddr);
+ &ar->ar_arg_sockaddr);
kau_write(rec, tok);
}
break;
case AUE_SOCKET:
case AUE_SOCKETPAIR:
if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
- tok = au_to_arg32(1,"domain",
+ tok = au_to_arg32(1, "domain",
au_domain_to_bsm(ar->ar_arg_sockinfo.sai_domain));
kau_write(rec, tok);
- tok = au_to_arg32(2,"type",
+ tok = au_to_arg32(2, "type",
au_socket_type_to_bsm(ar->ar_arg_sockinfo.sai_type));
kau_write(rec, tok);
- tok = au_to_arg32(3,"protocol",
+ tok = au_to_arg32(3, "protocol",
ar->ar_arg_sockinfo.sai_protocol);
kau_write(rec, tok);
}
tok = au_to_arg32(1, "setaudit_addr:port",
ar->ar_arg_termid_addr.at_port);
kau_write(rec, tok);
- if (ar->ar_arg_termid_addr.at_type == AU_IPv6)
+ if (ar->ar_arg_termid_addr.at_type == AU_IPv6) {
tok = au_to_in_addr_ex((struct in6_addr *)
&ar->ar_arg_termid_addr.at_addr[0]);
- if (ar->ar_arg_termid_addr.at_type == AU_IPv4)
+ }
+ if (ar->ar_arg_termid_addr.at_type == AU_IPv4) {
tok = au_to_in_addr((struct in_addr *)
&ar->ar_arg_termid_addr.at_addr[0]);
+ }
kau_write(rec, tok);
}
break;
tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_AUDITON_GETCAR:
case AUE_AUDITON_GETCLASS:
case AUE_AUDITON_SETUMASK:
case AUE_AUDITON_SPOLICY:
case AUE_AUDITON_SQCTRL:
- if (ARG_IS_VALID(kar, ARG_AUDITON))
+ if (ARG_IS_VALID(kar, ARG_AUDITON)) {
audit_sys_auditon(ar, rec);
+ }
break;
case AUE_AUDITCTL:
case AUE_GETFSSTAT:
case AUE_KQUEUE:
case AUE_LSEEK:
-#if 0
+#if 0
/* XXXss replace with kext */
case AUE_MODLOAD:
case AUE_MODUNLOAD:
tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_EXECVE:
if (ARG_IS_VALID(kar, ARG_ARGV)) {
kau_write(rec, tok);
}
UPATH1_VNODE1_TOKENS;
+ VNODE2_PATH_TOKENS;
+ if (ARG_IS_VALID(kar, ARG_DATA)) {
+ tok = au_to_data(AUP_HEX, ar->ar_arg_data_type,
+ ar->ar_arg_data_count, ar->ar_arg_data);
+ kau_write(rec, tok);
+ }
break;
case AUE_FCHMOD_EXTENDED:
/*
* XXXRW: Some of these need to handle non-vnode cases as well.
- */
+ */
case AUE_FSTAT_EXTENDED:
case AUE_FCHDIR:
case AUE_FPATHCONF:
- case AUE_FSTAT: /* XXX Need to handle sockets and shm */
+ case AUE_FSTAT: /* XXX Need to handle sockets and shm */
case AUE_FSTATFS:
case AUE_FSYNC:
case AUE_FTRUNCATE:
break;
case AUE_FCNTL:
- if (ARG_IS_VALID(kar, ARG_CMD))
+ if (ARG_IS_VALID(kar, ARG_CMD)) {
audit_sys_fcntl(kar, rec);
+ }
FD_VNODE1_TOKENS;
break;
(u_int32_t)ar->ar_arg_addr);
kau_write(rec, tok);
}
- if (ARG_IS_VALID(kar, ARG_VNODE1))
+ if (ARG_IS_VALID(kar, ARG_VNODE1)) {
FD_VNODE1_TOKENS;
- else {
+ } else {
if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
tok = au_to_socket_ex(
- ar->ar_arg_sockinfo.sai_domain,
- ar->ar_arg_sockinfo.sai_type,
- (struct sockaddr *)
- &ar->ar_arg_sockinfo.sai_laddr,
- (struct sockaddr *)
- &ar->ar_arg_sockinfo.sai_faddr);
+ ar->ar_arg_sockinfo.sai_domain,
+ ar->ar_arg_sockinfo.sai_type,
+ (struct sockaddr *)
+ &ar->ar_arg_sockinfo.sai_laddr,
+ (struct sockaddr *)
+ &ar->ar_arg_sockinfo.sai_faddr);
kau_write(rec, tok);
} else {
if (ARG_IS_VALID(kar, ARG_FD)) {
case AUE_RENAME:
UPATH1_VNODE1_TOKENS;
UPATH2_TOKENS;
+ KPATH2_TOKENS;
break;
case AUE_MKDIR_EXTENDED:
tok = au_to_arg64(2, "len", ar->ar_arg_len);
kau_write(rec, tok);
}
- if (ar->ar_event == AUE_MMAP)
+ if (ar->ar_event == AUE_MMAP) {
FD_VNODE1_TOKENS;
+ }
if (ar->ar_event == AUE_MPROTECT) {
if (ARG_IS_VALID(kar, ARG_VALUE32)) {
tok = au_to_arg32(3, "protection",
tok = au_to_text(ar->ar_arg_text);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_UMOUNT:
case AUE_UNMOUNT:
UPATH1_VNODE1_TOKENS;
break;
+ case AUE_FMOUNT:
+ if (ARG_IS_VALID(kar, ARG_FD)) {
+ tok = au_to_arg32(2, "dir fd", ar->ar_arg_fd);
+ kau_write(rec, tok);
+ }
+ if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
+ tok = au_to_arg32(3, "flags", ar->ar_arg_fflags);
+ kau_write(rec, tok);
+ }
+ if (ARG_IS_VALID(kar, ARG_TEXT)) {
+ tok = au_to_text(ar->ar_arg_text);
+ kau_write(rec, tok);
+ }
+ break;
case AUE_MSGCTL:
ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd);
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_MSGRCV:
case AUE_MSGSND:
case AUE_SYMLINKAT:
case AUE_MKDIRAT:
case AUE_GETATTRLISTAT:
+ case AUE_SETATTRLISTAT:
if (ARG_IS_VALID(kar, ARG_FD)) {
tok = au_to_arg32(1, "dir fd", ar->ar_arg_fd);
kau_write(rec, tok);
UPATH1_VNODE1_TOKENS;
break;
+ case AUE_CLONEFILEAT:
+ if (ARG_IS_VALID(kar, ARG_FD)) {
+ tok = au_to_arg32(1, "src dir fd", ar->ar_arg_fd);
+ kau_write(rec, tok);
+ }
+ UPATH1_VNODE1_TOKENS;
+ if (ARG_IS_VALID(kar, ARG_FD2)) {
+ tok = au_to_arg32(1, "dst dir fd", ar->ar_arg_fd2);
+ kau_write(rec, tok);
+ }
+ UPATH2_TOKENS;
+ if (ARG_IS_VALID(kar, ARG_VALUE32)) {
+ tok = au_to_arg32(1, "flags", ar->ar_arg_value32);
+ kau_write(rec, tok);
+ }
+ break;
+
+ case AUE_FCLONEFILEAT:
+ FD_VNODE1_TOKENS;
+ if (ARG_IS_VALID(kar, ARG_FD2)) {
+ tok = au_to_arg32(1, "dst dir fd", ar->ar_arg_fd2);
+ kau_write(rec, tok);
+ }
+ UPATH2_TOKENS;
+ if (ARG_IS_VALID(kar, ARG_VALUE32)) {
+ tok = au_to_arg32(1, "flags", ar->ar_arg_value32);
+ kau_write(rec, tok);
+ }
+ break;
+
case AUE_PTRACE:
if (ARG_IS_VALID(kar, ARG_CMD)) {
tok = au_to_arg32(1, "request", ar->ar_arg_cmd);
case AUE_SEMCTL:
ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd);
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_SEMOP:
if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
}
break;
default:
- break; /* We will audit a bad command */
+ break; /* We will audit a bad command */
}
break;
tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_SHMUNLINK:
if (ARG_IS_VALID(kar, ARG_TEXT)) {
tok = au_to_arg32(4, "value", ar->ar_arg_value32);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_SEMUNLINK:
if (ARG_IS_VALID(kar, ARG_TEXT)) {
ar->ar_arg_opq_size);
kau_write(rec, tok);
}
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
case AUE_UMASK:
if (ARG_IS_VALID(kar, ARG_MASK)) {
}
break;
+ case AUE_FSGETPATH_EXTENDED:
case AUE_FSGETPATH:
if (ARG_IS_VALID(kar, ARG_VALUE32)) {
tok = au_to_arg32(3, "volfsid", ar->ar_arg_value32);
break;
/************************
- * Mach system calls *
- ************************/
+ * Mach system calls *
+ ************************/
case AUE_INITPROCESS:
break;
*/
kau_write(rec, subj_tok);
kau_free(rec);
- return (BSM_NOAUDIT);
+ return BSM_NOAUDIT;
}
#if CONFIG_MACF
LIST_FOREACH(mar, ar->ar_mac_records, records) {
switch (mar->type) {
case MAC_AUDIT_DATA_TYPE:
- tok = au_to_data(AUP_BINARY, AUR_BYTE,
- mar->length,
- (const char *)mar->data);
- break;
- case MAC_AUDIT_TEXT_TYPE:
- tok = au_to_text((char*) mar->data);
- break;
- default:
- /*
- * XXX: we can either continue,
- * skipping this particular entry,
- * or we can pre-verify the list and
- * abort before writing any records
- */
- printf("kaudit_to_bsm(): "
- "BSM conversion requested for"
- "unknown mac_audit data type %d\n",
- mar->type);
+ tok = au_to_data(AUP_BINARY, AUR_BYTE,
+ mar->length,
+ (const char *)mar->data);
+ break;
+ case MAC_AUDIT_TEXT_TYPE:
+ tok = au_to_text((char*) mar->data);
+ break;
+ default:
+ /*
+ * XXX: we can either continue,
+ * skipping this particular entry,
+ * or we can pre-verify the list and
+ * abort before writing any records
+ */
+ printf("kaudit_to_bsm(): "
+ "BSM conversion requested for"
+ "unknown mac_audit data type %d\n",
+ mar->type);
}
kau_write(rec, tok);
tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval);
kau_write(rec, tok); /* Every record gets a return token */
+ if (ARG_IS_VALID(kar, ARG_IDENTITY)) {
+ struct au_identity_info *id = &ar->ar_arg_identity;
+ tok = au_to_identity(id->signer_type, id->signing_id,
+ id->signing_id_trunc, id->team_id, id->team_id_trunc,
+ id->cdhash, id->cdhash_len);
+ kau_write(rec, tok);
+ }
+
kau_close(rec, &ar->ar_endtime, ar->ar_event);
*pau = rec;
- return (BSM_SUCCESS);
+ return BSM_SUCCESS;
}
/*
- * Verify that a record is a valid BSM record. This verification is simple
- * now, but may be expanded on sometime in the future. Return 1 if the
+ * Verify that a record is a valid BSM record. Return 1 if the
* record is good, 0 otherwise.
*/
int
-bsm_rec_verify(void *rec)
+bsm_rec_verify(void *rec, int length, boolean_t kern_events_allowed)
{
- char c = *(char *)rec;
+ /* Used to partially deserialize the buffer */
+ struct hdr_tok_partial *hdr;
+ struct trl_tok_partial *trl;
- /*
- * Check the token ID of the first token; it has to be a header
- * token.
- *
- * XXXAUDIT There needs to be a token structure to map a token.
- * XXXAUDIT 'Shouldn't be simply looking at the first char.
- */
- if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) &&
- (c != AUT_HEADER64) && (c != AUT_HEADER64_EX))
- return (0);
- return (1);
+ /* A record requires a complete header and trailer token */
+ if (length < (AUDIT_HEADER_SIZE + AUDIT_TRAILER_SIZE)) {
+ return 0;
+ }
+
+ hdr = (struct hdr_tok_partial*)rec;
+
+ /* Ensure the provided length matches what the record shows */
+ if ((uint32_t)length != ntohl(hdr->len)) {
+ return 0;
+ }
+
+ trl = (struct trl_tok_partial*)(rec + (length - AUDIT_TRAILER_SIZE));
+
+ /* Ensure the buffer contains what look like header and trailer tokens */
+ if (((hdr->type != AUT_HEADER32) && (hdr->type != AUT_HEADER32_EX) &&
+ (hdr->type != AUT_HEADER64) && (hdr->type != AUT_HEADER64_EX)) ||
+ (trl->type != AUT_TRAILER)) {
+ return 0;
+ }
+
+ /* Ensure the header and trailer agree on the length */
+ if (hdr->len != trl->len) {
+ return 0;
+ }
+
+ /* Ensure the trailer token has a proper magic value */
+ if (ntohs(trl->magic) != AUT_TRAILER_MAGIC) {
+ return 0;
+ }
+
+ if (!kern_events_allowed && AUE_IS_A_KEVENT(ntohs(hdr->e_type))) {
+ return 0;
+ }
+
+ return 1;
}
#endif /* CONFIG_AUDIT */
projects / apple / xnu.git / blobdiff