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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:13:01 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:13:01 +0000 |
commit | 7adcb5b605cc1328a3084c334f4697ec9771936c (patch) | |
tree | 03e681bfda053978ba896745828e09cb056ad156 /print-someip.c | |
parent | Initial commit. (diff) | |
download | tcpdump-a4319754a95834ec51f1b9030c58e6bd07bb1b7b.tar.xz tcpdump-a4319754a95834ec51f1b9030c58e6bd07bb1b7b.zip |
Adding upstream version 4.99.4.upstream/4.99.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'print-someip.c')
-rw-r--r-- | print-someip.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/print-someip.c b/print-someip.c new file mode 100644 index 0000000..210e413 --- /dev/null +++ b/print-someip.c @@ -0,0 +1,142 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code + * distributions retain the above copyright notice and this paragraph + * in its entirety, and (2) distributions including binary code include + * the above copyright notice and this paragraph in its entirety in + * the documentation or other materials provided with the distribution. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND + * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT + * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE. + * + * Original code by Francesco Fondelli (francesco dot fondelli, gmail dot com) + */ + +/* \summary: Autosar SOME/IP Protocol printer */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "netdissect-stdinc.h" +#include "netdissect.h" +#include "extract.h" +#include "udp.h" + +/* + * SOMEIP Header (R19-11) + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Message ID (Service ID/Method ID) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Length | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Request ID (Client ID/Session ID) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Protocol Ver | Interface Ver | Message Type | Return Code | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Payload | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + +static const struct tok message_type_values[] = { + { 0x00, "REQUEST" }, + { 0x01, "REQUEST_NO_RETURN" }, + { 0x02, "NOTIFICATION" }, + { 0x80, "RESPONSE" }, + { 0x81, "ERROR" }, + { 0x20, "TP_REQUEST" }, + { 0x21, "TP_REQUEST_NO_RETURN" }, + { 0x22, "TP_NOTIFICATION" }, + { 0xa0, "TP_RESPONSE" }, + { 0xa1, "TP_ERROR" }, + { 0, NULL } +}; + +static const struct tok return_code_values[] = { + { 0x00, "E_OK" }, + { 0x01, "E_NOT_OK" }, + { 0x02, "E_UNKNOWN_SERVICE" }, + { 0x03, "E_UNKNOWN_METHOD" }, + { 0x04, "E_NOT_READY" }, + { 0x05, "E_NOT_REACHABLE" }, + { 0x06, "E_TIMEOUT" }, + { 0x07, "E_WRONG_PROTOCOL_VERSION" }, + { 0x08, "E_WRONG_INTERFACE_VERSION" }, + { 0x09, "E_MALFORMED_MESSAGE" }, + { 0x0a, "E_WRONG_MESSAGE_TYPE" }, + { 0x0b, "E_E2E_REPEATED" }, + { 0x0c, "E_E2E_WRONG_SEQUENCE" }, + { 0x0d, "E_E2E" }, + { 0x0e, "E_E2E_NOT_AVAILABLE" }, + { 0x0f, "E_E2E_NO_NEW_DATA" }, + { 0, NULL } +}; + +void +someip_print(netdissect_options *ndo, const u_char *bp, const u_int len) +{ + uint32_t message_id; + uint16_t service_id; + uint16_t method_or_event_id; + uint8_t event_flag; + uint32_t message_len; + uint32_t request_id; + uint16_t client_id; + uint16_t session_id; + uint8_t protocol_version; + uint8_t interface_version; + uint8_t message_type; + uint8_t return_code; + + ndo->ndo_protocol = "someip"; + nd_print_protocol_caps(ndo); + + if (len < 16) { + goto invalid; + } + + message_id = GET_BE_U_4(bp); + service_id = message_id >> 16; + event_flag = (message_id & 0x00008000) >> 15; + method_or_event_id = message_id & 0x00007FFF; + bp += 4; + ND_PRINT(", service %u, %s %u", + service_id, event_flag ? "event" : "method", method_or_event_id); + + message_len = GET_BE_U_4(bp); + bp += 4; + ND_PRINT(", len %u", message_len); + + request_id = GET_BE_U_4(bp); + client_id = request_id >> 16; + session_id = request_id & 0x0000FFFF; + bp += 4; + ND_PRINT(", client %u, session %u", client_id, session_id); + + protocol_version = GET_U_1(bp); + bp += 1; + ND_PRINT(", pver %u", protocol_version); + + interface_version = GET_U_1(bp); + bp += 1; + ND_PRINT(", iver %u", interface_version); + + message_type = GET_U_1(bp); + bp += 1; + ND_PRINT(", msgtype %s", + tok2str(message_type_values, "Unknown", message_type)); + + return_code = GET_U_1(bp); + bp += 1; + ND_PRINT(", retcode %s\n", + tok2str(return_code_values, "Unknown", return_code)); + + return; + +invalid: + nd_print_invalid(ndo); +} |