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libbsm.go
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@ -117,8 +117,7 @@ const (
PRT_ONELINE = 1 PRT_ONELINE = 1
PRT_NORESOLVE_USER = 2 PRT_NORESOLVE_USER = 2
PRT_TIMESTAMP = 4 PRT_TIMESTAMP = 4
PRT_JSON = 8
PRT_JSON_PRETTY = 16
) )
var ( var (
@ -150,60 +149,60 @@ type Record interface {
} }
type Header32 struct { type Header32 struct {
Size uint32 `json:"size"` // Record byte count Size uint32 // Record byte count
Version uint8 `json:"version"` // version # (uchar) Version uint8 // version # (uchar)
E_type uint16 `json:"event_type"` // Event type E_type uint16 // Event type
E_mod uint16 `json:"event_modifier"` // Event modifier E_mod uint16 // Event modifier
S uint32 `json:"timestamp"` // Seconds of time S uint32 // Seconds of time
Msec uint32 `json:"msec"` // Milliseconds of time Msec uint32 // Milliseconds of time
} }
type Header32Ex struct { type Header32Ex struct {
Size uint32 `json:"size"` // Record byte count Size uint32 // Record byte count
Version uint8 `json:"version"` // version # (uchar) Version uint8 // version # (uchar)
E_type uint16 `json:"event_type"` // Event type E_type uint16 // Event type
E_mod uint16 `json:"event_modifier"` // Event modifier E_mod uint16 // Event modifier
Ad_type uint32 `json:"address_type"` // Address type/Length Ad_type uint32 // Address type/Length
Addr [4]uint32 `json:"address"` // Ipv4 or IPv6 Addr [4]uint32 // Ipv4 or IPv6
S uint32 `json:"timestamp"` // Seconds of time S uint32 // Seconds of time
Msec uint32 `json:"msec"` // Milliseconds of time Msec uint32 // Milliseconds of time
} }
type Trailer struct { type Trailer struct {
Magic uint16 `json:"magic"` Magic uint16
Count uint32 `json:"size"` Count uint32
} }
type Arg32 struct { type Arg32 struct {
No byte `json:"count"` // Argument # No byte // Argument #
Val uint32 `json:"value"` // Argument value Val uint32 // Argument value
Length uint16 `json:"lentgh"` // Text length Length uint16 // Text length
Text []byte `json:"text"` // Text Text []byte // Text
} }
type Arg64 struct { type Arg64 struct {
No byte `json:"count"` // Argument # No byte // Argument #
Val uint64 `json:"value"` // Argument value Val uint64 // Argument value
Length uint16 `json:"lentgh"` // Text length Length uint16 // Text length
Text []byte `json:"text"` // Text Text []byte // Text
} }
type Attribute32 struct { type Attribute32 struct {
Mode uint32 `json:"mode"` // file access mode Mode uint32 // file access mode
Uid uint32 `json:"user_id"` // Owner user ID Uid uint32 // Owner user ID
Gid uint32 `json:"group_id"` // Owner group ID Gid uint32 // Owner group ID
Fsid uint32 `json:"filesystem_id"` // File system ID Fsid uint32 // File system ID
Nid uint64 `json:"node_id"` // Node ID Nid uint64 // Node ID
Dev uint32 `json:"device"` // Device Dev uint32 // Device
} }
type Attribute64 struct { type Attribute64 struct {
Mode uint32 `json:"mode"` // file access mode Mode uint32 // file access mode
Uid uint32 `json:"user_id"` // Owner user ID Uid uint32 // Owner user ID
Gid uint32 `json:"group_id"` // Owner group ID Gid uint32 // Owner group ID
Fsid uint32 `json:"filesystem_id"` // File system ID Fsid uint32 // File system ID
Nid uint64 `json:"node_id"` // Node ID Nid uint64 // Node ID
Dev uint64 `json:"device"` // Device Dev uint64 // Device
} }
/* /*
@ -211,114 +210,114 @@ type Attribute64 struct {
* text count null-terminated string(s) * text count null-terminated string(s)
*/ */
type ExecArg struct { type ExecArg struct {
Count uint32 `json:"count"` Count uint32
//Text [AUDIT_MAX_ARGS][]byte //Text [AUDIT_MAX_ARGS][]byte
Text [][]byte `json:"text"` Text [][]byte
} }
type Path struct { type Path struct {
Length uint16 `json:"length"` // path length Length uint16 // path length
Path []byte `json:"path"` Path []byte
} }
type Return32 struct { type Return32 struct {
Status byte `json:"status"` // Error status Status byte // Error status
Ret uint32 `json:"code"` // Return code Ret uint32 // Return code
} }
type Return64 struct { type Return64 struct {
Status byte `json:"status"` // Error status Status byte // Error status
Ret uint64 `json:"code"` // Return code Ret uint64 // Return code
} }
type Subject32 struct { type Subject32 struct {
Auid uint32 `json:"audit_id"` // Audit ID Auid uint32 // Audit ID
Euid uint32 `json:"effective_user_id"` // Effective user ID Euid uint32 // Effective user ID
Egid uint32 `json:"effective_group_id"` // Effective Group ID Egid uint32 // Effective Group ID
Ruid uint32 `json:"real_user_id"` // Real User ID Ruid uint32 // Real User ID
Rgid uint32 `json:"real_group_id"` // Real Group ID Rgid uint32 // Real Group ID
Pid uint32 `json:"process_id"` // Process ID Pid uint32 // Process ID
Sid uint32 `json:"session_id"` // Session ID Sid uint32 // Session ID
Tid Tid32 `json:"terminal_id"` Tid Tid32
} }
type Process32 Subject32 type Process32 Subject32
type Subject32Ex struct { type Subject32Ex struct {
Auid uint32 `json:"audit_id"` // Audit ID Auid uint32 // Audit ID
Euid uint32 `json:"effective_user_id"` // Effective user ID Euid uint32 // Effective user ID
Egid uint32 `json:"effective_group_id"` // Effective Group ID Egid uint32 // Effective Group ID
Ruid uint32 `json:"real_user_id"` // Real User ID Ruid uint32 // Real User ID
Rgid uint32 `json:"real_group_id"` // Real Group ID Rgid uint32 // Real Group ID
Pid uint32 `json:"process_id"` // Process ID Pid uint32 // Process ID
Sid uint32 `json:"session_id"` // Session ID Sid uint32 // Session ID
Tid Tid32Ex `json:"terminal_id_ex"` Tid Tid32Ex
} }
type Process32Ex Subject32Ex type Process32Ex Subject32Ex
type Tid32 struct { type Tid32 struct {
Port uint32 `json:"port"` Port uint32
IpVers uint32 `json:"ip_version"` // 0x10 = IPv6 IpVers uint32 // 0x10 = IPv6
Addr uint32 `json:"ip"` Addr uint32
} }
type Tid32Ex struct { type Tid32Ex struct {
Port uint32 `json:"port"` Port uint32
Ttype uint32 `json:"terminal_type"` Ttype uint32
IpVers uint32 `json:"ip_version"` // 0x10 = IPv6, 0x04 = IPv4 IpVers uint32 // 0x10 = IPv6, 0x04 = IPv4
Addr4 uint32 `json:"ip4"` // 4 bytes long if IpVers == 0x04 Addr4 uint32 // 4 bytes long if IpVers == 0x04
Addr6 [4]uint32 `json:"ip6"` // 4x4 bytes long if IpVers == 0x10 Addr6 [4]uint32 // 4x4 bytes long if IpVers == 0x10
} }
type Subject64 struct { type Subject64 struct {
Auid uint32 `json:"audit_id"` // Audit ID Auid uint32 // Audit ID
Euid uint32 `json:"effective_user_id"` // Effective user ID Euid uint32 // Effective user ID
Egid uint32 `json:"effective_group_id"` // Effective Group ID Egid uint32 // Effective Group ID
Ruid uint32 `json:"real_user_id"` // Real User ID Ruid uint32 // Real User ID
Rgid uint32 `json:"real_group_id"` // Real Group ID Rgid uint32 // Real Group ID
Pid uint32 `json:"process_id"` // Process ID Pid uint32 // Process ID
Sid uint32 `json:"session_id"` // Session ID Sid uint32 // Session ID
Tid Tid64 `json:"terminal_id"` Tid Tid64
} }
type Process64 Subject64 type Process64 Subject64
type Subject64Ex struct { type Subject64Ex struct {
Auid uint32 `json:"audit_id"` // Audit ID Auid uint32 // Audit ID
Euid uint32 `json:"effective_user_id"` // Effective user ID Euid uint32 // Effective user ID
Egid uint32 `json:"effective_group_id"` // Effective Group ID Egid uint32 // Effective Group ID
Ruid uint32 `json:"real_user_id"` // Real User ID Ruid uint32 // Real User ID
Rgid uint32 `json:"real_group_id"` // Real Group ID Rgid uint32 // Real Group ID
Pid uint32 `json:"process_id"` // Process ID Pid uint32 // Process ID
Sid uint32 `json:"session_id"` // Session ID Sid uint32 // Session ID
Tid Tid64Ex `json:"terminal_id_ex"` Tid Tid64Ex
} }
type Process64Ex Subject64Ex type Process64Ex Subject64Ex
type Tid64 struct { type Tid64 struct {
Port uint64 `json:"port"` Port uint64
IpVers uint32 `json:"ip_version"` IpVers uint32
Addr uint32 `json:"ip"` Addr uint32
} }
type Tid64Ex struct { type Tid64Ex struct {
Port uint64 `json:"port"` Port uint64
Ttype uint32 `json:"terminal_type"` Ttype uint32
IpVers uint32 `json:"ip_version"` // 0x10 = IPv6, 0x04 = IPv4 IpVers uint32 // 0x10 = IPv6, 0x04 = IPv4
Addr4 uint32 `json:"ip4"` Addr4 uint32
Addr6 [4]uint32 `json:"ip6"` Addr6 [4]uint32
} }
type Exit struct { type Exit struct {
Status uint32 `json:"status"` Status uint32
Ret uint32 `json:"code"` Ret uint32
} }
type Text struct { type Text struct {
Length uint16 `json:"length"` Length uint16
Text []byte `json:"text"` Text []byte
} }
@ -535,44 +534,6 @@ func (h *Header32) Print(file *os.File, delimiter string, flags int) {
} }
} }
func (h *Header32) PrintJson(file *os.File, flags int) {
var timeval string
if PRT_TIMESTAMP == flags & PRT_TIMESTAMP {
timeval = strconv.Itoa(int(h.S))
} else {
t := time.Unix((int64)(h.S), 0)
timeval = t.Format(time.UnixDate)
}
// We dont care for error
evdesc, _ := getEventName(h.E_type)
/*fmt.Fprintf(file, "header%s%d%s%d%s%s%s%v%s%s%s%d", delimiter, h.Size, delimiter, h.Version, delimiter,
//h.E_type, delimiter, h.E_mod, delimiter, t.Format(time.UnixDate), delimiter, h.Msec)
evdesc, delimiter, h.E_mod, delimiter, timeval, delimiter, h.Msec)*/
/*
type Header32 struct {
Size uint32 `json:"size"` // Record byte count
Version uint8 `json:"version"` // version # (uchar)
E_type uint16 `json:"event_type"` // Event type
E_mod uint16 `json:"event_modifier"` // Event modifier
S uint32 `json:"timestamp"` // Seconds of time
Msec uint32 `json:"msec"` // Milliseconds of time
}
*/
// 1. convert to json
json := fmt.Sprintf("\"size\":%d,\"version\":%d,\"event_type\":\"%s\",event_modifier\":\"%s\",\"timestamp\":%d,\"msec\":%d,",
h.Size, h.Version, evdesc, h.E_mod, h.S, h.Msec)
// 2. Prettify if flag is set
if flags == (flags & PRT_JSON_PRETTY) {
fmt.Fprintf(file, "NOT IMPLEMENTED\n")
} else {
fmt.Fprintf(file, "%s", json)
}
}
func NewExecArg(e ExecArg) *ExecArg { func NewExecArg(e ExecArg) *ExecArg {
return &ExecArg{ return &ExecArg{
Count: e.Count, Count: e.Count,