/*
* token ID 1 byte
* status 4 bytes
* return value 4 bytes
*/
token_t *
au_to_exit(int retval, int err)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 2 * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_EXIT);
ADD_U_INT32(dptr, err);
ADD_U_INT32(dptr, retval);
return (t);
}
/*
* token ID 1 byte
* audit ID 4 bytes
* effective user ID 4 bytes
* effective group ID 4 bytes
* real user ID 4 bytes
* real group ID 4 bytes
* process ID 4 bytes
* session ID 4 bytes
* terminal ID
* port ID 4 bytes/8 bytes (32-bit/64-bit value)
* machine address 4 bytes
*/
token_t *
au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid,
pid_t pid, au_asid_t sid, au_tid_t *tid)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 9 * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_PROCESS32);
ADD_U_INT32(dptr, auid);
ADD_U_INT32(dptr, euid);
ADD_U_INT32(dptr, egid);
ADD_U_INT32(dptr, ruid);
ADD_U_INT32(dptr, rgid);
ADD_U_INT32(dptr, pid);
ADD_U_INT32(dptr, sid);
ADD_U_INT32(dptr, tid->port);
/*
* Note: Solaris will write out IPv6 addresses here as a 32-bit
* address type and 16 bytes of address, but for IPv4 addresses it
* simply writes the 4-byte address directly. We support only IPv4
* addresses for process32 tokens.
*/
ADD_MEM(dptr, &tid->machine, sizeof(u_int32_t));
return (t);
}
/*
* token ID 1 byte
* owner user ID 4 bytes
* owner group ID 4 bytes
* creator user ID 4 bytes
* creator group ID 4 bytes
* access mode 4 bytes
* slot sequence # 4 bytes
* key 4 bytes
*/
token_t *
au_to_ipc_perm(struct ipc_perm *perm)
{
token_t *t;
u_char *dptr = NULL;
u_int16_t pad0 = 0;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 12 * sizeof(u_int16_t) +
sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_IPC_PERM);
/*
* Systems vary significantly in what types they use in struct
* ipc_perm; at least a few still use 16-bit uid's and gid's, so
* allow for that, as BSM define 32-bit values here.
* Some systems define the sizes for ipc_perm members as 2 bytes;
* BSM defines 4 so pad with 0.
*
* XXXRW: Possibly shoulid be conditionally compiled, and more cases
* need to be handled.
*/
if (sizeof(perm->uid) != sizeof(u_int32_t)) {
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->uid);
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->gid);
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->cuid);
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->cgid);
} else {
ADD_U_INT32(dptr, perm->uid);
ADD_U_INT32(dptr, perm->gid);
ADD_U_INT32(dptr, perm->cuid);
ADD_U_INT32(dptr, perm->cgid);
}
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->mode);
ADD_U_INT16(dptr, pad0);
ADD_U_INT16(dptr, perm->seq);
ADD_U_INT32(dptr, perm->key);
return (t);
}
/*
* token ID 1 byte
* count 4 bytes
* text count null-terminated strings
*/
token_t *
au_to_exec_args(char **argv)
{
token_t *t;
u_char *dptr = NULL;
const char *nextarg;
int i, count = 0;
size_t totlen = 0;
nextarg = *argv;
while (nextarg != NULL) {
int nextlen;
nextlen = strlen(nextarg);
totlen += nextlen + 1;
count++;
nextarg = *(argv + count);
}
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t) + totlen);
ADD_U_CHAR(dptr, AUT_EXEC_ARGS);
ADD_U_INT32(dptr, count);
for (i = 0; i < count; i++) {
nextarg = *(argv + i);
ADD_MEM(dptr, nextarg, strlen(nextarg) + 1);
}
return (t);
}
/*
* token ID 1 byte
* count 4 bytes
* text count null-terminated strings
*/
token_t *
au_to_exec_env(char **envp)
{
token_t *t;
u_char *dptr = NULL;
int i, count = 0;
size_t totlen = 0;
const char *nextenv;
nextenv = *envp;
while (nextenv != NULL) {
int nextlen;
nextlen = strlen(nextenv);
totlen += nextlen + 1;
count++;
nextenv = *(envp + count);
}
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t) + totlen);
ADD_U_CHAR(dptr, AUT_EXEC_ENV);
ADD_U_INT32(dptr, count);
for (i = 0; i < count; i++) {
nextenv = *(envp + i);
ADD_MEM(dptr, nextenv, strlen(nextenv) + 1);
}
return (t);
}
token_t *
au_to_attr64(struct vnode_au_info *vni)
{
token_t *t;
u_char *dptr = NULL;
u_int16_t pad0_16 = 0;
u_int32_t pad0_32 = 0;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 2 * sizeof(u_int16_t) +
3 * sizeof(u_int32_t) + sizeof(u_int64_t) * 2);
ADD_U_CHAR(dptr, AUT_ATTR64);
/*
* BSD defines the size for the file mode as 2 bytes; BSM defines 4
* so pad with 0.
*
* XXXRW: Possibly should be conditionally compiled.
*
* XXXRW: Should any conversions take place on the mode?
*/
ADD_U_INT16(dptr, pad0_16);
ADD_U_INT16(dptr, vni->vn_mode);
ADD_U_INT32(dptr, vni->vn_uid);
ADD_U_INT32(dptr, vni->vn_gid);
ADD_U_INT32(dptr, vni->vn_fsid);
/*
* Some systems use 32-bit file ID's, other's use 64-bit file IDs.
* Attempt to handle both, and let the compiler sort it out. If we
* could pick this out at compile-time, it would be better, so as to
* avoid the else case below.
*/
if (sizeof(vni->vn_fileid) == sizeof(uint32_t)) {
ADD_U_INT32(dptr, pad0_32);
ADD_U_INT32(dptr, vni->vn_fileid);
} else if (sizeof(vni->vn_fileid) == sizeof(uint64_t))
ADD_U_INT64(dptr, vni->vn_fileid);
else
ADD_U_INT64(dptr, 0LL);
ADD_U_INT64(dptr, vni->vn_dev);
return (t);
}
token_t *
kau_to_socket(struct socket_au_info *soi)
{
token_t *t;
u_char *dptr;
u_int16_t so_type;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 2 * sizeof(u_int16_t) +
sizeof(u_int32_t) + sizeof(u_int16_t) + sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_SOCKET);
/* Coerce the socket type into a short value */
so_type = soi->so_type;
ADD_U_INT16(dptr, so_type);
ADD_U_INT16(dptr, soi->so_lport);
ADD_U_INT32(dptr, soi->so_laddr);
ADD_U_INT16(dptr, soi->so_rport);
ADD_U_INT32(dptr, soi->so_raddr);
return (t);
}
/*
* token ID 1 byte
* sequence number 4 bytes
*/
token_t *
au_to_seq(long audit_count)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_SEQ);
ADD_U_INT32(dptr, audit_count);
return (t);
}
/*
* token ID 1 byte
* object ID type 1 byte
* object ID 4 bytes
*/
token_t *
au_to_ipc(char type, int id)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, 2 * sizeof(u_char) + sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_IPC);
ADD_U_CHAR(dptr, type);
ADD_U_INT32(dptr, id);
return (t);
}
/*
* token ID 1 byte
* error status 1 byte
* return value 4 bytes/8 bytes (32-bit/64-bit value)
*/
token_t *
au_to_return32(char status, u_int32_t ret)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, 2 * sizeof(u_char) + sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_RETURN32);
ADD_U_CHAR(dptr, status);
ADD_U_INT32(dptr, ret);
return (t);
}
/*
* token ID 1 byte
* seconds of time 4 bytes
* milliseconds of time 4 bytes
* file name len 2 bytes
* file pathname N bytes + 1 terminating NULL byte
*/
token_t *
au_to_file(const char *file, struct timeval tm)
{
token_t *t;
u_char *dptr = NULL;
u_int16_t filelen;
u_int32_t timems;
filelen = strlen(file);
filelen += 1;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 2 * sizeof(u_int32_t) +
sizeof(u_int16_t) + filelen);
timems = tm.tv_usec/1000;
ADD_U_CHAR(dptr, AUT_OTHER_FILE32);
ADD_U_INT32(dptr, tm.tv_sec);
ADD_U_INT32(dptr, timems); /* We need time in ms. */
ADD_U_INT16(dptr, filelen);
ADD_STRING(dptr, file, filelen);
return (t);
}
/*
* token ID 1 byte
* address type/length 4 bytes
* address 16 bytes
*/
token_t *
au_to_in_addr_ex(struct in6_addr *internet_addr)
{
token_t *t;
u_char *dptr = NULL;
u_int32_t type = AU_IPv6;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 5 * sizeof(uint32_t));
ADD_U_CHAR(dptr, AUT_IN_ADDR_EX);
ADD_U_INT32(dptr, type);
ADD_MEM(dptr, internet_addr, 4 * sizeof(uint32_t));
return (t);
}
/*
* token ID 1 byte
* record byte count 4 bytes
* version # 1 byte [2]
* event type 2 bytes
* event modifier 2 bytes
* seconds of time 4 bytes/8 bytes (32-bit/64-bit value)
* milliseconds of time 4 bytes/8 bytes (32-bit/64-bit value)
*/
token_t *
au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
struct timeval tm)
{
token_t *t;
u_char *dptr = NULL;
u_int32_t timems;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t) +
sizeof(u_char) + 2 * sizeof(u_int16_t) + 2 * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_HEADER32);
ADD_U_INT32(dptr, rec_size);
ADD_U_CHAR(dptr, AUDIT_HEADER_VERSION_OPENBSM);
ADD_U_INT16(dptr, e_type);
ADD_U_INT16(dptr, e_mod);
timems = tm.tv_usec/1000;
/* Add the timestamp */
ADD_U_INT32(dptr, tm.tv_sec);
ADD_U_INT32(dptr, timems); /* We need time in ms. */
return (t);
}
/*
* token ID 1 byte
* trailer magic number 2 bytes
* record byte count 4 bytes
*/
token_t *
au_to_trailer(int rec_size)
{
token_t *t;
u_char *dptr = NULL;
u_int16_t magic = AUT_TRAILER_MAGIC;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int16_t) +
sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_TRAILER);
ADD_U_INT16(dptr, magic);
ADD_U_INT32(dptr, rec_size);
return (t);
}
/*
* token ID 1 byte
* number groups 2 bytes
* group list count * 4 bytes
*/
token_t *
au_to_newgroups(u_int16_t n, gid_t *groups)
{
token_t *t;
u_char *dptr = NULL;
int i;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int16_t) +
n * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_NEWGROUPS);
ADD_U_INT16(dptr, n);
for (i = 0; i < n; i++)
ADD_U_INT32(dptr, groups[i]);
return (t);
}
/*
* token ID 1 byte
* audit ID 4 bytes
* effective user ID 4 bytes
* effective group ID 4 bytes
* real user ID 4 bytes
* real group ID 4 bytes
* process ID 4 bytes
* session ID 4 bytes
* terminal ID
* port ID 4 bytes/8 bytes (32-bit/64-bit value)
* machine address 4 bytes
*/
token_t *
au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid,
pid_t pid, au_asid_t sid, au_tid_t *tid)
{
token_t *t;
u_char *dptr = NULL;
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 9 * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_SUBJECT32);
ADD_U_INT32(dptr, auid);
ADD_U_INT32(dptr, euid);
ADD_U_INT32(dptr, egid);
ADD_U_INT32(dptr, ruid);
ADD_U_INT32(dptr, rgid);
ADD_U_INT32(dptr, pid);
ADD_U_INT32(dptr, sid);
ADD_U_INT32(dptr, tid->port);
ADD_MEM(dptr, &tid->machine, sizeof(u_int32_t));
return (t);
}
/*
* token ID 1 byte
* argument # 1 byte
* argument value 4 bytes/8 bytes (32-bit/64-bit value)
* text length 2 bytes
* text N bytes + 1 terminating NULL byte
*/
token_t *
au_to_arg32(char n, const char *text, u_int32_t v)
{
token_t *t;
u_char *dptr = NULL;
u_int16_t textlen;
textlen = strlen(text);
textlen += 1;
GET_TOKEN_AREA(t, dptr, 2 * sizeof(u_char) + sizeof(u_int32_t) +
sizeof(u_int16_t) + textlen);
ADD_U_CHAR(dptr, AUT_ARG32);
ADD_U_CHAR(dptr, n);
ADD_U_INT32(dptr, v);
ADD_U_INT16(dptr, textlen);
ADD_STRING(dptr, text, textlen);
return (t);
}
token_t *
au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid)
{
token_t *t;
u_char *dptr = NULL;
if (tid->at_type == AU_IPv4)
GET_TOKEN_AREA(t, dptr, sizeof(u_char) +
7 * sizeof(u_int32_t) + sizeof(u_int64_t) +
2 * sizeof(u_int32_t));
else if (tid->at_type == AU_IPv6)
GET_TOKEN_AREA(t, dptr, sizeof(u_char) +
7 * sizeof(u_int32_t) + sizeof(u_int64_t) +
5 * sizeof(u_int32_t));
else
panic("au_to_process64_ex: invalidate at_type (%d)",
tid->at_type);
ADD_U_CHAR(dptr, AUT_PROCESS64_EX);
ADD_U_INT32(dptr, auid);
ADD_U_INT32(dptr, euid);
ADD_U_INT32(dptr, egid);
ADD_U_INT32(dptr, ruid);
ADD_U_INT32(dptr, rgid);
ADD_U_INT32(dptr, pid);
ADD_U_INT32(dptr, sid);
ADD_U_INT64(dptr, tid->at_port);
ADD_U_INT32(dptr, tid->at_type);
ADD_MEM(dptr, &tid->at_addr[0], sizeof(u_int32_t));
if (tid->at_type == AU_IPv6) {
ADD_MEM(dptr, &tid->at_addr[1], sizeof(u_int32_t));
ADD_MEM(dptr, &tid->at_addr[2], sizeof(u_int32_t));
ADD_MEM(dptr, &tid->at_addr[3], sizeof(u_int32_t));
}
return (t);
}
token_t *
au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid)
{
token_t *t;
u_char *dptr = NULL;
KASSERT((tid->at_type == AU_IPv4) || (tid->at_type == AU_IPv6),
("au_to_subject64_ex: type %u", (unsigned int)tid->at_type));
if (tid->at_type == AU_IPv4)
GET_TOKEN_AREA(t, dptr, sizeof(u_char) +
7 * sizeof(u_int32_t) + sizeof(u_int64_t) +
2 * sizeof(u_int32_t));
else
GET_TOKEN_AREA(t, dptr, sizeof(u_char) +
7 * sizeof(u_int32_t) + sizeof(u_int64_t) +
5 * sizeof(u_int32_t));
ADD_U_CHAR(dptr, AUT_SUBJECT64_EX);
ADD_U_INT32(dptr, auid);
ADD_U_INT32(dptr, euid);
ADD_U_INT32(dptr, egid);
ADD_U_INT32(dptr, ruid);
ADD_U_INT32(dptr, rgid);
ADD_U_INT32(dptr, pid);
ADD_U_INT32(dptr, sid);
ADD_U_INT64(dptr, tid->at_port);
ADD_U_INT32(dptr, tid->at_type);
if (tid->at_type == AU_IPv6)
ADD_MEM(dptr, &tid->at_addr[0], 4 * sizeof(u_int32_t));
else
ADD_MEM(dptr, &tid->at_addr[0], sizeof(u_int32_t));
return (t);
}
static token_t *
au_to_exec_strings(char *strs, int count, u_char type)
{
token_t *t;
u_char *dptr = NULL;
u_int32_t totlen;
int ctr;
char *p;
totlen = 0;
ctr = count;
p = strs;
while (ctr-- > 0) {
totlen += strlen(p) + 1;
p = strs + totlen;
}
GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t) + totlen);
ADD_U_CHAR(dptr, type);
ADD_U_INT32(dptr, count);
ADD_STRING(dptr, strs, totlen);
return (t);
}
