From a5dba3e8cfd95b3bc5d98aa0f0ca8da81eafedb5 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 30 Jun 2015 18:52:05 +0200 Subject: Broken: multi-byte length --- parse/packets.go | 215 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ parse/parse.go | 71 +++--------------- 2 files changed, 224 insertions(+), 62 deletions(-) create mode 100644 parse/packets.go diff --git a/parse/packets.go b/parse/packets.go new file mode 100644 index 0000000..fef2c40 --- /dev/null +++ b/parse/packets.go @@ -0,0 +1,215 @@ +package main + +var session = [][]byte{ + []byte{ + 0x60, 0x23, 0x80, 0x02, 0x07, 0x80, 0xa1, 0x07, + 0x06, 0x05, 0x2b, 0x0c, 0x00, 0x81, 0x5a, 0xbe, + 0x14, 0x28, 0x12, 0x06, 0x07, 0x2b, 0x0c, 0x00, + 0x82, 0x1d, 0x81, 0x48, 0xa0, 0x07, 0xa0, 0x05, + 0x03, 0x03, 0x00, 0x08, 0x00, + }, + []byte{ + 0x61, 0x2f, 0x80, 0x02, 0x07, 0x80, 0xa1, 0x07, + 0x06, 0x05, 0x2b, 0x0c, 0x00, 0x81, 0x5a, 0xa2, + 0x03, 0x02, 0x01, 0x00, 0xa3, 0x05, 0xa1, 0x03, + 0x02, 0x01, 0x01, 0xbe, 0x14, 0x28, 0x12, 0x06, + 0x07, 0x2b, 0x0c, 0x00, 0x82, 0x1d, 0x81, 0x48, + 0xa0, 0x07, 0xa0, 0x05, 0x03, 0x03, 0x00, 0x08, + 0x00, + }, + []byte{ + 0xa1, 0x0c, 0x02, 0x01, 0x01, 0x02, 0x02, 0x00, + 0xd3, 0x30, 0x03, 0x0a, 0x01, 0x02, + }, + []byte{ + 0xa2, 0x0b, 0x02, 0x01, 0x01, 0x30, 0x06, 0x02, + 0x02, 0x00, 0xd3, 0x05, 0x00, + }, + []byte{ + 0xa1, 0x16, 0x02, 0x02, 0x00, 0xe0, 0x02, 0x01, + 0x33, 0x30, 0x0d, 0xa4, 0x0b, 0xa0, 0x09, 0xa4, + 0x07, 0xa1, 0x05, 0xa0, 0x03, 0x0a, 0x01, 0x02, + }, + []byte{ + 0xa2, 0x17, 0x02, 0x02, 0x00, 0xe0, 0x30, 0x11, + 0x02, 0x01, 0x33, 0x7e, 0x0c, 0xa1, 0x0a, 0xa4, + 0x08, 0xa4, 0x06, 0x04, 0x04, 0x30, 0x41, 0x31, + 0x38, + }, + []byte{ + 0xa1, 0x81, 0xc1, 0x02, 0x01, 0x02, 0x02, 0x01, + 0x33, 0x30, 0x81, 0xb8, 0xa4, 0x81, 0xb5, 0xa3, + 0x81, 0xb2, 0x30, 0x81, 0xaf, 0xa0, 0x06, 0x04, + 0x04, 0x30, 0x41, 0x31, 0x38, 0xa1, 0x03, 0x02, + 0x01, 0x01, 0xa2, 0x03, 0x01, 0x01, 0x00, 0xa3, + 0x81, 0x9a, 0x30, 0x81, 0x97, 0xbf, 0x26, 0x81, + 0x93, 0x30, 0x81, 0x90, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x01, 0x16, 0x01, + 0x31, 0x0a, 0x01, 0x00, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x02, 0x16, 0x01, + 0x32, 0x0a, 0x01, 0x00, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x03, 0x16, 0x01, + 0x33, 0x0a, 0x01, 0x00, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x04, 0x16, 0x01, + 0x34, 0x0a, 0x01, 0x00, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x05, 0x16, 0x01, + 0x35, 0x0a, 0x01, 0x01, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x06, 0x16, 0x01, + 0x36, 0x0a, 0x01, 0x01, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x07, 0x16, 0x01, + 0x37, 0x0a, 0x01, 0x01, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x08, 0x16, 0x01, + 0x38, 0x0a, 0x01, 0x01, 0x30, 0x0e, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x09, 0x16, 0x01, + 0x39, 0x0a, 0x01, 0x01, + }, + []byte{ + 0xa1, 0x81, 0xb9, 0x02, 0x01, 0x03, 0x02, 0x01, + 0x33, 0x30, 0x81, 0xb0, 0xa4, 0x81, 0xad, 0xa3, + 0x81, 0xaa, 0x30, 0x81, 0xa7, 0xa0, 0x06, 0x04, + 0x04, 0x30, 0x41, 0x31, 0x38, 0xa1, 0x03, 0x02, + 0x01, 0x02, 0xa2, 0x03, 0x01, 0x01, 0x00, 0xa3, + 0x81, 0x92, 0x30, 0x81, 0x8f, 0xbf, 0x26, 0x81, + 0x8b, 0x30, 0x81, 0x88, 0x30, 0x0f, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x0a, 0x16, 0x02, + 0x31, 0x30, 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, + 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x0b, 0x16, + 0x02, 0x31, 0x31, 0x0a, 0x01, 0x01, 0x30, 0x0f, + 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x0c, + 0x16, 0x02, 0x31, 0x32, 0x0a, 0x01, 0x01, 0x30, + 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, + 0x0d, 0x16, 0x02, 0x31, 0x33, 0x0a, 0x01, 0x01, + 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, + 0x00, 0x0e, 0x16, 0x02, 0x31, 0x34, 0x0a, 0x01, + 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, + 0x31, 0x00, 0x0f, 0x16, 0x02, 0x31, 0x35, 0x0a, + 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, + 0x01, 0x31, 0x00, 0x10, 0x16, 0x02, 0x31, 0x36, + 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, + 0x04, 0x01, 0x31, 0x00, 0x11, 0x16, 0x02, 0x31, + 0x37, 0x0a, 0x01, 0x01, + }, + []byte{ + 0xa1, 0x81, 0xb9, 0x02, 0x01, 0x04, 0x02, 0x01, + 0x33, 0x30, 0x81, 0xb0, 0xa4, 0x81, 0xad, 0xa3, + 0x81, 0xaa, 0x30, 0x81, 0xa7, 0xa0, 0x06, 0x04, + 0x04, 0x30, 0x41, 0x31, 0x38, 0xa1, 0x03, 0x02, + 0x01, 0x03, 0xa2, 0x03, 0x01, 0x01, 0x00, 0xa3, + 0x81, 0x92, 0x30, 0x81, 0x8f, 0xbf, 0x26, 0x81, + 0x8b, 0x30, 0x81, 0x88, 0x30, 0x0f, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x12, 0x16, 0x02, + 0x31, 0x38, 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, + 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x13, 0x16, + 0x02, 0x31, 0x39, 0x0a, 0x01, 0x01, 0x30, 0x0f, + 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x14, + 0x16, 0x02, 0x32, 0x30, 0x0a, 0x01, 0x01, 0x30, + 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, + 0x15, 0x16, 0x02, 0x32, 0x31, 0x0a, 0x01, 0x00, + 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, + 0x00, 0x16, 0x16, 0x02, 0x32, 0x32, 0x0a, 0x01, + 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, + 0x31, 0x00, 0x17, 0x16, 0x02, 0x32, 0x33, 0x0a, + 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, + 0x01, 0x31, 0x00, 0x18, 0x16, 0x02, 0x32, 0x34, + 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, + 0x04, 0x01, 0x31, 0x00, 0x19, 0x16, 0x02, 0x32, + 0x35, 0x0a, 0x01, 0x01, + }, + []byte{ + 0xa1, 0x81, 0xb9, 0x02, 0x01, 0x05, 0x02, 0x01, + 0x33, 0x30, 0x81, 0xb0, 0xa4, 0x81, 0xad, 0xa3, + 0x81, 0xaa, 0x30, 0x81, 0xa7, 0xa0, 0x06, 0x04, + 0x04, 0x30, 0x41, 0x31, 0x38, 0xa1, 0x03, 0x02, + 0x01, 0x04, 0xa2, 0x03, 0x01, 0x01, 0x00, 0xa3, + 0x81, 0x92, 0x30, 0x81, 0x8f, 0xbf, 0x26, 0x81, + 0x8b, 0x30, 0x81, 0x88, 0x30, 0x0f, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x1a, 0x16, 0x02, + 0x32, 0x36, 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, + 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x1b, 0x16, + 0x02, 0x32, 0x37, 0x0a, 0x01, 0x01, 0x30, 0x0f, + 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x1c, + 0x16, 0x02, 0x32, 0x38, 0x0a, 0x01, 0x01, 0x30, + 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, + 0x1d, 0x16, 0x02, 0x32, 0x39, 0x0a, 0x01, 0x01, + 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, 0x31, + 0x00, 0x1e, 0x16, 0x02, 0x33, 0x30, 0x0a, 0x01, + 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, 0x01, + 0x31, 0x00, 0x1f, 0x16, 0x02, 0x33, 0x31, 0x0a, + 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, 0x04, + 0x01, 0x31, 0x00, 0x20, 0x16, 0x02, 0x33, 0x32, + 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, 0x81, + 0x04, 0x01, 0x31, 0x00, 0x21, 0x16, 0x02, 0x33, + 0x33, 0x0a, 0x01, 0x01, + }, + []byte{ + 0xa1, 0x5c, 0x02, 0x01, 0x06, 0x02, 0x01, 0x33, + 0x30, 0x54, 0xa4, 0x52, 0xa3, 0x50, 0x30, 0x4e, + 0xa0, 0x06, 0x04, 0x04, 0x30, 0x41, 0x31, 0x38, + 0xa1, 0x03, 0x02, 0x01, 0x05, 0xa2, 0x03, 0x01, + 0x01, 0x01, 0xa3, 0x3a, 0x30, 0x38, 0xbf, 0x26, + 0x35, 0x30, 0x33, 0x30, 0x0f, 0x30, 0x06, 0x81, + 0x04, 0x01, 0x31, 0x00, 0x22, 0x16, 0x02, 0x33, + 0x34, 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, 0x06, + 0x81, 0x04, 0x01, 0x31, 0x00, 0x23, 0x16, 0x02, + 0x33, 0x35, 0x0a, 0x01, 0x01, 0x30, 0x0f, 0x30, + 0x06, 0x81, 0x04, 0x01, 0x31, 0x00, 0x24, 0x16, + 0x02, 0x33, 0x36, 0x0a, 0x01, 0x01, + }, +} + +var associate = []byte{ + 0x60, 0x23, + 0x80, 0x02, 0x07, 0x80, + 0xA1, 0x07, + 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, + 0xBE, 0x14, + 0x28, 0x12, + 0x06, 0x07, 0x2B, 0x0C, 0x00, 0x82, 0x1D, 0x81, 0x48, + 0xA0, 0x07, + 0xA0, 0x05, + 0x03, 0x03, 0x00, 0x08, 0x00, +} + +var result = []byte{ + 0x61, 0x2F, + 0x80, 0x02, 0x07, 0x80, + 0xA1, 0x07, + 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, + 0xA2, 0x03, + 0x02, 0x01, 0x00, + 0xA3, 0x05, + 0xA1, 0x03, + 0x02, 0x01, 0x00, + 0xBE, 0x14, + 0x28, 0x12, + 0x06, 0x07, 0x2B, 0x0C, 0x00, 0x82, 0x1D, 0x81, 0x48, + 0xA0, 0x07, + 0xA0, 0x05, + 0x03, 0x03, 0x00, 0x08, 0x00, +} + +var reject = []byte{ + 0x61, 0x19, + 0x80, 0x02, 0x07, 0x80, + 0xA1, 0x07, + 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, + 0xA2, 0x03, + 0x02, 0x01, 0x01, + 0xA3, 0x05, + 0xA1, 0x03, + 0x02, 0x01, 0x01, +} + +var release = []byte{ + 0x62, 0x00, +} + +var monitor = []byte{ + 0xA1, 0x11, + 0x02, 0x01, 0x78, + 0x02, 0x01, 0x47, + 0x30, 0x09, + 0x30, 0x05, + 0x80, 0x03, 0x31, 0x31, 0x31, + 0xA0, 0x00, +} diff --git a/parse/parse.go b/parse/parse.go index f698303..0ab611b 100644 --- a/parse/parse.go +++ b/parse/parse.go @@ -3,69 +3,16 @@ package main import ( "dim13.org/asn1/ber" "fmt" + "log" ) -var associate = []byte{ - 0x60, 0x23, - 0x80, 0x02, 0x07, 0x80, - 0xA1, 0x07, - 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, - 0xBE, 0x14, - 0x28, 0x12, - 0x06, 0x07, 0x2B, 0x0C, 0x00, 0x82, 0x1D, 0x81, 0x48, - 0xA0, 0x07, - 0xA0, 0x05, - 0x03, 0x03, 0x00, 0x08, 0x00, -} - -var result = []byte{ - 0x61, 0x2F, - 0x80, 0x02, 0x07, 0x80, - 0xA1, 0x07, - 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, - 0xA2, 0x03, - 0x02, 0x01, 0x00, - 0xA3, 0x05, - 0xA1, 0x03, - 0x02, 0x01, 0x00, - 0xBE, 0x14, - 0x28, 0x12, - 0x06, 0x07, 0x2B, 0x0C, 0x00, 0x82, 0x1D, 0x81, 0x48, - 0xA0, 0x07, - 0xA0, 0x05, - 0x03, 0x03, 0x00, 0x08, 0x00, -} - -var reject = []byte{ - 0x61, 0x19, - 0x80, 0x02, 0x07, 0x80, - 0xA1, 0x07, - 0x06, 0x05, 0x2B, 0x0C, 0x00, 0x81, 0x5A, - 0xA2, 0x03, - 0x02, 0x01, 0x01, - 0xA3, 0x05, - 0xA1, 0x03, - 0x02, 0x01, 0x01, -} - -var release = []byte{ - 0x62, 0x00, -} - -var monitor = []byte{ - 0xA1, 0x11, - 0x02, 0x01, 0x78, - 0x02, 0x01, 0x47, - 0x30, 0x09, - 0x30, 0x05, - 0x80, 0x03, 0x31, 0x31, 0x31, - 0xA0, 0x00, -} - func Chop(b []byte) (h byte, l int, v []byte, r []byte) { if len(b) > 1 { h = b[0] l = int(b[1]) + if 2+l > len(b) { + log.Fatal("lenght ", l, len(b)) + } v, r = b[2:2+l], b[2+l:] } return @@ -104,9 +51,9 @@ func dump(b []byte, indent int) { } func main() { - dump(associate, 0) - dump(result, 0) - dump(reject, 0) - dump(release, 0) - dump(monitor, 0) + for n, s := range session { + fmt.Println("packet", n) + dump(s, 0) + fmt.Println("") + } } -- cgit v1.2.3