diff --git a/src/include/switch_core_media.h b/src/include/switch_core_media.h index bf1bc8325f..e64332407a 100644 --- a/src/include/switch_core_media.h +++ b/src/include/switch_core_media.h @@ -40,6 +40,12 @@ SWITCH_BEGIN_EXTERN_C #define SWITCH_MAX_CAND_ACL 25 +typedef enum { + ICE_GOOGLE_JINGLE = (1 << 0), + ICE_VANILLA = (1 << 1), + ICE_CONTROLLED = (1 << 2) +} switch_core_media_ice_type_t; + typedef enum { DTMF_2833, DTMF_INFO, diff --git a/src/include/switch_rtp.h b/src/include/switch_rtp.h index aee71ac728..19acf64324 100644 --- a/src/include/switch_rtp.h +++ b/src/include/switch_rtp.h @@ -40,6 +40,9 @@ #define SWITCH_RTP_H SWITCH_BEGIN_EXTERN_C + +#include + #define SWITCH_RTP_MAX_BUF_LEN 16384 #define SWITCH_RTCP_MAX_BUF_LEN 16384 #define SWITCH_RTP_MAX_BUF_LEN_WORDS 4094 /* (max / 4) - 2 */ @@ -216,8 +219,10 @@ SWITCH_DECLARE(void) switch_rtp_destroy(switch_rtp_t **rtp_session); \brief Acvite ICE on an RTP session \return SWITCH_STATUS_SUCCESS */ -SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, const char *password); -SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, const char *password); +SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, + const char *password, switch_core_media_ice_type_t type, uint32_t priority); +SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, + const char *password, switch_core_media_ice_type_t type, uint32_t priority); /*! \brief Activate sending RTCP Sender Reports (SR's) diff --git a/src/include/switch_stun.h b/src/include/switch_stun.h index fbf6b3270f..b48d376d6a 100644 --- a/src/include/switch_stun.h +++ b/src/include/switch_stun.h @@ -81,6 +81,21 @@ typedef enum { SWITCH_STUN_ATTR_DATA = 0x0013, /* ByteString */ SWITCH_STUN_ATTR_OPTIONS = 0x8001, /* UInt32 */ SWITCH_STUN_ATTR_XOR_MAPPED_ADDRESS = 0x0020, /* Address */ + + /* ice crap */ + + SWITCH_STUN_ATTR_PRIORITY = 0x0024, + SWITCH_STUN_ATTR_USE_CAND = 0x0025, + SWITCH_STUN_ATTR_PADDING = 0x0026, + SWITCH_STUN_ATTR_RESP_PORT = 0x0027, + SWITCH_STUN_ATTR_SOFTWARE = 0x8022, + SWITCH_STUN_ATTR_ALT_SERVER = 0x8023, + SWITCH_STUN_ATTR_FINGERPRINT = 0x8028, + SWITCH_STUN_ATTR_CONTROLLED = 0x8029, + SWITCH_STUN_ATTR_CONTROLLING = 0x802a, + SWITCH_STUN_ATTR_RESP_ORIGIN = 0x802b, + SWITCH_STUN_ATTR_OTHER_ADDR = 0x802c + } switch_stun_attribute_t; typedef enum { @@ -190,7 +205,7 @@ SWITCH_DECLARE(switch_stun_packet_t *) switch_stun_packet_build_header(switch_st */ SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_username(switch_stun_packet_t *packet, char *username, uint16_t ulen); SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_password(switch_stun_packet_t *packet, char *password, uint16_t ulen); - +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_software(switch_stun_packet_t *packet, char *software, uint16_t ulen); /*! \brief Add a binded address packet attribute @@ -202,6 +217,15 @@ SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_password(switch_stun_pa SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_binded_address(switch_stun_packet_t *packet, char *ipstr, uint16_t port); SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_xor_binded_address(switch_stun_packet_t *packet, char *ipstr, uint16_t port); + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_integrity(switch_stun_packet_t *packet, const char *pass); +SWITCH_DECLARE(uint32_t) switch_crc32_8bytes(const void* data, size_t length); +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_fingerprint(switch_stun_packet_t *packet); +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_use_candidate(switch_stun_packet_t *packet); +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_controlling(switch_stun_packet_t *packet); +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_controlled(switch_stun_packet_t *packet); +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_priority(switch_stun_packet_t *packet, uint32_t priority); + /*! \brief Perform a stun lookup \param ip the local ip to use (replaced with stun results) @@ -221,7 +245,9 @@ SWITCH_DECLARE(switch_status_t) switch_stun_lookup(char **ip, \param attribute the attribute \return the padded size in bytes */ -#define switch_stun_attribute_padded_length(attribute) ((uint16_t)(attribute->length + (sizeof(uint32_t)-1)) & ~sizeof(uint32_t)) +#define switch_stun_attribute_padded_length(attribute) (int16_t)((attribute->length & 0x3) ? 0x4 + (attribute->length & ~0x3) : attribute->length) +#define switch_stun_attribute_padded_length_hbo(attribute) (int16_t)((ntohs(attribute->length) & 0x3) ? 0x4 + (ntohs(attribute->length) & ~0x3) : ntohs(attribute->length)) + /*! \brief set a switch_stun_packet_attribute_t pointer to point at the first attribute in a packet @@ -236,7 +262,9 @@ SWITCH_DECLARE(switch_status_t) switch_stun_lookup(char **ip, \param end pointer to the end of the buffer \return true or false depending on if there are any more attributes */ -#define switch_stun_packet_next_attribute(attribute, end) (attribute && (attribute = (switch_stun_packet_attribute_t *) (attribute->value + switch_stun_attribute_padded_length(attribute))) && ((void *)attribute < end) && attribute->length && ((void *)(attribute + switch_stun_attribute_padded_length(attribute)) < end)) +#define switch_stun_packet_next_attribute(attribute, end) (attribute && (attribute = (switch_stun_packet_attribute_t *) (attribute->value + switch_stun_attribute_padded_length(attribute))) && ((void *)attribute < end) && attribute->type && ((void *)(attribute + switch_stun_attribute_padded_length(attribute)) < end)) + +#define switch_stun_packet_next_attribute_hbo(attribute, end) (attribute && (attribute = (switch_stun_packet_attribute_t *) (attribute->value + switch_stun_attribute_padded_length_hbo(attribute))) && ((void *)attribute < end) && attribute->type && ((void *)(attribute + switch_stun_attribute_padded_length_hbo(attribute)) < end)) /*! \brief Obtain the correct length in bytes of a stun packet diff --git a/src/mod/applications/mod_skel/mod_skel.c b/src/mod/applications/mod_skel/mod_skel.c index 374010c605..fe3c81f3fe 100644 --- a/src/mod/applications/mod_skel/mod_skel.c +++ b/src/mod/applications/mod_skel/mod_skel.c @@ -109,11 +109,68 @@ static switch_status_t do_config(switch_bool_t reload) return SWITCH_STATUS_SUCCESS; } +#include "switch_stun.h" + +#define _switch_stun_packet_next_attribute(attribute, end) (attribute && (attribute = (switch_stun_packet_attribute_t *) (attribute->value + ntohs(attribute->length))) && ((void *)attribute < end) && ntohs(attribute->length) && ((void *)(attribute + ntohs(attribute->length)) < end)) + +#define _switch_stun_attribute_padded_length(attribute) ((uint16_t)(ntohs(attribute->length) + (sizeof(uint32_t)-1)) & ~sizeof(uint32_t)) + +//#define _switch_stun_packet_next_attribute(attribute, end) (attribute && (attribute = (switch_stun_packet_attribute_t *) (attribute->value + _switch_stun_attribute_padded_length(attribute))) && ((void *)attribute < end) && ((void *)(attribute + _switch_stun_attribute_padded_length(attribute)) < end)) SWITCH_STANDARD_API(skel_function) { switch_event_t *event; unsigned char frame_buffer[8192] = {0}; + uint8_t buf[256] = { 0 }; + switch_stun_packet_t *packet; + char user_name[] = "0000000000000000:1111111111111111"; + //char user_name[] = "0000000000000000"; + void *end_buf; + switch_stun_packet_attribute_t *attr; + int xlen = 0; + + packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_REQUEST, NULL, buf); + + printf("1len %d %d\n", ntohs(packet->header.length), xlen); + + switch_stun_packet_attribute_add_username(packet, user_name, strlen(user_name)); + printf("2len %d %d\n", ntohs(packet->header.length), xlen); + + switch_stun_packet_attribute_add_controlled(packet); + + //switch_stun_packet_attribute_add_password(packet, user_name, strlen(user_name)); + //printf("3len %d %d\n", ntohs(packet->header.length), xlen); + + //switch_stun_packet_attribute_add_use_candidate(packet); + + switch_stun_packet_attribute_add_integrity(packet, "FUCK"); + switch_stun_packet_attribute_add_fingerprint(packet); + + + end_buf = buf + ((sizeof(buf) > packet->header.length) ? packet->header.length : sizeof(buf)); + + + + switch_stun_packet_first_attribute(packet, attr); + + xlen = sizeof(switch_stun_packet_header_t); + + printf("len %d %d\n", ntohs(packet->header.length), xlen); + + do { + printf("WTF %p %d %d:(%d)\n", (void *)attr, ntohs(attr->type), ntohs(attr->length), switch_stun_attribute_padded_length_hbo(attr)); + + if (!switch_stun_packet_next_attribute_hbo(attr, end_buf)) { + break; + } + + xlen += 4+switch_stun_attribute_padded_length_hbo(attr); + } while (xlen <= ntohs(packet->header.length)); + + + + + return SWITCH_STATUS_SUCCESS; do_config(SWITCH_TRUE); diff --git a/src/switch_core_media.c b/src/switch_core_media.c index 47876e4be9..0940b2ae44 100644 --- a/src/switch_core_media.c +++ b/src/switch_core_media.c @@ -97,7 +97,7 @@ typedef struct ice_s { char *foundation; int component_id; char *transport; - int priority; + uint32_t priority; char *con_addr; switch_port_t con_port; char *cand_type; @@ -774,7 +774,6 @@ SWITCH_DECLARE(int) switch_core_session_check_incoming_crypto(switch_core_sessio switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, atoi(crypto), engine->ssec.crypto_type, engine->ssec.local_raw_key, SWITCH_RTP_KEY_LEN); } else if (switch_stristr(SWITCH_RTP_CRYPTO_KEY_80, crypto)) { - switch_channel_set_variable(session->channel, varname, SWITCH_RTP_CRYPTO_KEY_80); switch_core_media_build_crypto(session->media_handle, &engine->ssec, crypto_tag, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND); switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, atoi(crypto), engine->ssec.crypto_type, @@ -3196,13 +3195,17 @@ static void gen_ice(switch_core_session_t *session, switch_media_type_t type, co } if (!engine->ice_out.foundation) { + tmp[10] = '\0'; switch_stun_random_string(tmp, 10, "0123456789"); engine->ice_out.foundation = switch_core_session_strdup(session, tmp); } - engine->ice_out.component_id = 1; engine->ice_out.transport = "udp"; - engine->ice_out.priority = 100; + + if (!engine->ice_out.component_id) { + engine->ice_out.component_id = 1; + engine->ice_out.priority = (2^24)*126 + (2^8)*65535 + (2^0)*(256 - engine->ice_out.component_id); + } if (ip) { engine->ice_out.con_addr = switch_core_session_strdup(session, ip); @@ -3462,6 +3465,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi if ((ssrc = switch_channel_get_variable(session->channel, "rtp_use_ssrc"))) { uint32_t ssrc_ul = (uint32_t) strtoul(ssrc, NULL, 10); switch_rtp_set_ssrc(a_engine->rtp_session, ssrc_ul); + a_engine->ssrc = ssrc_ul; } @@ -3691,8 +3695,33 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi switch_rtp_activate_ice(a_engine->rtp_session, a_engine->ice_in.ufrag, a_engine->ice_out.ufrag, - a_engine->ice_out.pwd); - } + a_engine->ice_in.pwd, +#ifdef GOOGLE_ICE + ICE_GOOGLE_JINGLE, + 0 +#else + ICE_VANILLA | ICE_CONTROLLED, + a_engine->ice_out.priority +#endif + ); + + + + + switch_rtp_activate_rtcp_ice(a_engine->rtp_session, + a_engine->ice_in.ufrag, + a_engine->ice_out.ufrag, + a_engine->ice_in.pwd, +#ifdef GOOGLE_ICE + ICE_GOOGLE_JINGLE, + 0 +#else + ICE_VANILLA | ICE_CONTROLLED, + a_engine->ice_out.priority -1 +#endif + ); + + } @@ -3854,6 +3883,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi if ((ssrc = switch_channel_get_variable(session->channel, "rtp_use_video_ssrc"))) { uint32_t ssrc_ul = (uint32_t) strtoul(ssrc, NULL, 10); switch_rtp_set_ssrc(v_engine->rtp_session, ssrc_ul); + v_engine->ssrc = ssrc_ul; } @@ -4383,27 +4413,56 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n"); - if (switch_channel_test_flag(session->channel, CF_WEBRTC)) { - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "c=IN %s %s\n", family, ip); - } + // if (smh->mparams->rtcp_audio_interval_msec) { + // switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtcp:%d IN %s %s\n", port + 1, family, ip); + //} - - if (smh->mparams->rtcp_audio_interval_msec) { - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtcp:%d IN %s %s\n", port + 1, family, ip); - } - - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u cname:abc1234\n", a_engine->ssrc); + //switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u\n", a_engine->ssrc); if (a_engine->ice_out.ready) { + char tmp1[11] = ""; + char tmp2[11] = ""; + uint32_t c1 = (2^24)*126 + (2^8)*65535 + (2^0)*(256 - 1); + uint32_t c2 = (2^24)*126 + (2^8)*65535 + (2^0)*(256 - 2); + uint32_t c3 = (2^24)*126 + (2^8)*65534 + (2^0)*(256 - 1); + uint32_t c4 = (2^24)*126 + (2^8)*65534 + (2^0)*(256 - 2); + + + + tmp1[10] = '\0'; + tmp2[10] = '\0'; + switch_stun_random_string(tmp1, 10, "0123456789"); + switch_stun_random_string(tmp2, 10, "0123456789"); + ice_out = &a_engine->ice_out; - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s %d %s %d %s %d typ host generation 0\n", - ice_out->foundation, ice_out->component_id, ice_out->transport, ice_out->priority, + + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ host generation 0\n", + tmp1, ice_out->transport, c1, ice_out->con_addr, ice_out->con_port ); + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s 1 %s %u %s %d typ srflx generation 0\n", + tmp2, ice_out->transport, c3, + ice_out->con_addr, ice_out->con_port + ); + +#if 1 + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ host generation 0\n", + tmp1, ice_out->transport, c2, + ice_out->con_addr, ice_out->con_port + 1 + ); + + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s 2 %s %u %s %d typ srflx generation 0\n", + tmp2, ice_out->transport, c4, + ice_out->con_addr, ice_out->con_port + 1 + ); +#endif + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-ufrag:%s\n", ice_out->ufrag); switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-pwd:%s\n", ice_out->pwd); - //switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-options:google-ice\n"); +#ifdef GOOGLE_ICE + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-options:google-ice\n"); +#endif } @@ -4581,9 +4640,9 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n"); - if (smh->mparams->rtcp_audio_interval_msec) { - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtcp:%d IN %s %s\n", v_port + 1, family, ip); - } + // if (smh->mparams->rtcp_audio_interval_msec) { + // switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtcp:%d IN %s %s\n", v_port + 1, family, ip); + //} if (v_engine->codec_params.rm_encoding) { const char *of; @@ -4591,14 +4650,16 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess if (v_engine->ice_out.ready) { ice_out = &v_engine->ice_out; - switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s %d %s %d %s %d typ host generation 0\n", + switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=candidate:%s %d %s %u %s %d typ host generation 0\n", ice_out->foundation, ice_out->component_id, ice_out->transport, ice_out->priority, ice_out->con_addr, ice_out->con_port ); switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-ufrag:%s\n", ice_out->ufrag); switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-pwd:%s\n", ice_out->pwd); +#ifdef GOOGLE_ICE switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ice-options:google-ice\n"); +#endif } diff --git a/src/switch_rtp.c b/src/switch_rtp.c index 6c856986ba..a7f25839d7 100644 --- a/src/switch_rtp.c +++ b/src/switch_rtp.c @@ -47,6 +47,7 @@ #undef inline #include #include +#include #define READ_INC(rtp_session) switch_mutex_lock(rtp_session->read_mutex); rtp_session->reading++ #define READ_DEC(rtp_session) switch_mutex_unlock(rtp_session->read_mutex); rtp_session->reading-- @@ -166,6 +167,10 @@ typedef struct { uint32_t stuncount; uint32_t funny_stun; uint32_t default_stuncount; + switch_core_media_ice_type_t type; + uint32_t priority; + uint8_t sending; + uint8_t ready; } switch_rtp_ice_t; struct switch_rtp { @@ -614,7 +619,8 @@ static switch_status_t ice_out(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice) switch_status_t status = SWITCH_STATUS_SUCCESS; switch_sockaddr_t *remote_addr = rtp_session->remote_addr; switch_socket_t *sock_output = rtp_session->sock_output; - + + if (ice == &rtp_session->rtcp_ice) { sock_output = rtp_session->rtcp_sock_output; remote_addr = rtp_session->rtcp_remote_addr; @@ -630,6 +636,14 @@ static switch_status_t ice_out(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice) goto end; } +#if 0 + if (ice->sending != 0) { + ice->stuncount = ice->default_stuncount; + ice->sending--; + goto end; + } +#endif + if (rtp_session->last_stun) { elapsed = (unsigned int) ((switch_micro_time_now() - rtp_session->last_stun) / 1000); @@ -642,16 +656,40 @@ static switch_status_t ice_out(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice) } packet = switch_stun_packet_build_header(SWITCH_STUN_BINDING_REQUEST, NULL, buf); - switch_stun_packet_attribute_add_username(packet, ice->ice_user, 32); - if (ice->pass) { - switch_stun_packet_attribute_add_password(packet, ice->pass, (uint16_t)strlen(ice->pass)); + switch_stun_packet_attribute_add_username(packet, ice->ice_user, strlen(ice->ice_user)); + + //if (ice->pass && ice->type == ICE_GOOGLE_JINGLE) { + // switch_stun_packet_attribute_add_password(packet, ice->pass, (uint16_t)strlen(ice->pass)); + //} + + if ((ice->type & ICE_VANILLA)) { + char sw[128] = ""; + //switch_stun_packet_attribute_add_use_candidate(packet); + + switch_stun_packet_attribute_add_priority(packet, ice->priority); + + switch_snprintf(sw, sizeof(sw), "FreeSWITCH (%s)", SWITCH_VERSION_REVISION_HUMAN); + switch_stun_packet_attribute_add_software(packet, sw, strlen(sw)); + + if ((ice->type && ICE_CONTROLLED)) { + switch_stun_packet_attribute_add_controlled(packet); + } else { + switch_stun_packet_attribute_add_controlling(packet); + } + + switch_stun_packet_attribute_add_integrity(packet, ice->pass); + switch_stun_packet_attribute_add_fingerprint(packet); + + } + + bytes = switch_stun_packet_length(packet); switch_socket_sendto(sock_output, remote_addr, 0, (void *) packet, &bytes); ice->stuncount = ice->default_stuncount; - + ice->sending = 3; end: READ_DEC(rtp_session); @@ -707,12 +745,25 @@ static void handle_ice(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice, void *d goto end; //} } + +#if 0 + if (ice->sending && (packet->header.type == SWITCH_STUN_BINDING_RESPONSE || packet->header.type == SWITCH_STUN_BINDING_ERROR_RESPONSE)) { + ice->sending = 0; + } + + if (!ice->ready && packet->header.type == SWITCH_STUN_BINDING_RESPONSE) { + ice->ready = 1; + } +#endif + end_buf = buf + ((sizeof(buf) > packet->header.length) ? packet->header.length : sizeof(buf)); rtp_session->last_stun = switch_micro_time_now(); switch_stun_packet_first_attribute(packet, attr); + + do { switch (attr->type) { case SWITCH_STUN_ATTR_MAPPED_ADDRESS: @@ -730,7 +781,8 @@ static void handle_ice(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice, void *d } } while (switch_stun_packet_next_attribute(attr, end_buf)); - if ((packet->header.type == SWITCH_STUN_BINDING_REQUEST) && !strcmp(ice->user_ice, username)) { + if ((packet->header.type == SWITCH_STUN_BINDING_REQUEST)) { + //if ((packet->header.type == SWITCH_STUN_BINDING_REQUEST) && !strcmp(ice->user_ice, username)) { uint8_t stunbuf[512]; switch_stun_packet_t *rpacket; const char *remote_ip; @@ -746,13 +798,25 @@ static void handle_ice(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice, void *d sock_output = rtp_session->rtcp_sock_output; } - + printf("STUN REQ\n"); memset(stunbuf, 0, sizeof(stunbuf)); rpacket = switch_stun_packet_build_header(SWITCH_STUN_BINDING_RESPONSE, packet->header.id, stunbuf); - switch_stun_packet_attribute_add_username(rpacket, username, 32); + + if (ice->type == ICE_GOOGLE_JINGLE) { + switch_stun_packet_attribute_add_username(rpacket, username, strlen(username)); + } + remote_ip = switch_get_addr(ipbuf, sizeof(ipbuf), from_addr); switch_stun_packet_attribute_add_binded_address(rpacket, (char *) remote_ip, switch_sockaddr_get_port(from_addr)); + + if ((ice->type & ICE_VANILLA)) { + switch_stun_packet_attribute_add_integrity(rpacket, ice->pass); + switch_stun_packet_attribute_add_fingerprint(rpacket); + + } + rtp_session->ice.ready = 1; + bytes = switch_stun_packet_length(rpacket); switch_socket_sendto(sock_output, from_addr, 0, (void *) rpacket, &bytes); @@ -1111,11 +1175,14 @@ static int check_srtp_and_ice(switch_rtp_t *rtp_session) if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_SEND]) { int sbytes = (int) rtcp_bytes; int stat = srtp_protect_rtcp(rtp_session->send_ctx, &rtp_session->rtcp_send_msg.header, &sbytes); + if (stat) { switch_core_session_t *session = switch_core_memory_pool_get_data(rtp_session->pool, "__session"); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error: SRTP RTCP protection failed with code %d\n", stat); } rtcp_bytes = sbytes; + printf("XXXXXXXXXXXXXXXXWTF PROTECT %ld bytes\n", rtcp_bytes); + } #endif @@ -1170,6 +1237,7 @@ static int check_srtp_and_ice(switch_rtp_t *rtp_session) } } + if (rtp_session->rtcp_ice.ice_user) { if (ice_out(rtp_session, &rtp_session->rtcp_ice) != SWITCH_STATUS_SUCCESS) { ret = -1; @@ -1749,18 +1817,27 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_add_crypto_key(switch_rtp_t *rtp_sess switch (crypto_key->type) { case AES_CM_128_HMAC_SHA1_80: crypto_policy_set_aes_cm_128_hmac_sha1_80(&policy->rtp); + if (rtp_session->flags[SWITCH_RTP_FLAG_ENABLE_RTCP]) { + crypto_policy_set_aes_cm_128_hmac_sha1_80(&policy->rtcp); + } if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) { switch_channel_set_variable(channel, "sip_has_crypto", "AES_CM_128_HMAC_SHA1_80"); } break; case AES_CM_128_HMAC_SHA1_32: crypto_policy_set_aes_cm_128_hmac_sha1_32(&policy->rtp); + if (rtp_session->flags[SWITCH_RTP_FLAG_ENABLE_RTCP]) { + crypto_policy_set_aes_cm_128_hmac_sha1_32(&policy->rtcp); + } if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) { switch_channel_set_variable(channel, "sip_has_crypto", "AES_CM_128_HMAC_SHA1_32"); } break; case AES_CM_128_NULL_AUTH: crypto_policy_set_aes_cm_128_null_auth(&policy->rtp); + if (rtp_session->flags[SWITCH_RTP_FLAG_ENABLE_RTCP]) { + crypto_policy_set_aes_cm_128_null_auth(&policy->rtcp); + } if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) { switch_channel_set_variable(channel, "sip_has_crypto", "AES_CM_128_NULL_AUTH"); } @@ -1771,10 +1848,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_add_crypto_key(switch_rtp_t *rtp_sess policy->next = NULL; policy->key = (uint8_t *) crypto_key->key; - + if (rtp_session->flags[SWITCH_RTP_FLAG_ENABLE_RTCP]) { - crypto_policy_set_rtcp_default(&policy->rtcp); - policy->rtcp.sec_serv = sec_serv_none; + policy->rtcp.sec_serv = sec_serv_conf_and_auth; } policy->rtp.sec_serv = sec_serv_conf_and_auth; @@ -2345,16 +2421,25 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp(switch_rtp_t *rtp_sessi } -SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, const char *password) +SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, + const char *password, switch_core_media_ice_type_t type, uint32_t priority) { char ice_user[80]; char user_ice[80]; - switch_snprintf(ice_user, sizeof(ice_user), "%s%s", login, rlogin); - switch_snprintf(user_ice, sizeof(user_ice), "%s%s", rlogin, login); + if ((type & ICE_VANILLA)) { + switch_snprintf(ice_user, sizeof(ice_user), "%s:%s", login, rlogin); + switch_snprintf(user_ice, sizeof(user_ice), "%s:%s", rlogin, login); + } else { + switch_snprintf(ice_user, sizeof(ice_user), "%s%s", login, rlogin); + switch_snprintf(user_ice, sizeof(user_ice), "%s%s", rlogin, login); + } rtp_session->ice.ice_user = switch_core_strdup(rtp_session->pool, ice_user); rtp_session->ice.user_ice = switch_core_strdup(rtp_session->pool, user_ice); + rtp_session->ice.type = type; + rtp_session->ice.priority = priority; + if (password) { rtp_session->ice.pass = switch_core_strdup(rtp_session->pool, password); } @@ -2372,15 +2457,25 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_sessio } -SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, const char *password) +SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp_ice(switch_rtp_t *rtp_session, char *login, char *rlogin, + const char *password, switch_core_media_ice_type_t type, uint32_t priority) { char ice_user[80]; char user_ice[80]; - switch_snprintf(ice_user, sizeof(ice_user), "%s%s", login, rlogin); - switch_snprintf(user_ice, sizeof(user_ice), "%s%s", rlogin, login); + if ((type & ICE_VANILLA)) { + switch_snprintf(ice_user, sizeof(ice_user), "%s:%s", login, rlogin); + switch_snprintf(user_ice, sizeof(user_ice), "%s:%s", rlogin, login); + } else { + switch_snprintf(ice_user, sizeof(ice_user), "%s%s", login, rlogin); + switch_snprintf(user_ice, sizeof(user_ice), "%s%s", rlogin, login); + } + rtp_session->rtcp_ice.ice_user = switch_core_strdup(rtp_session->pool, ice_user); rtp_session->rtcp_ice.user_ice = switch_core_strdup(rtp_session->pool, user_ice); + rtp_session->rtcp_ice.type = type; + rtp_session->rtcp_ice.priority = priority; + if (password) { rtp_session->rtcp_ice.pass = switch_core_strdup(rtp_session->pool, password); } @@ -3549,6 +3644,9 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error: SRTP RTCP protection failed with code %d\n", stat); } rtcp_bytes = sbytes; + + + } #endif @@ -4409,6 +4507,11 @@ static int rtp_common_write(switch_rtp_t *rtp_session, send = 0; } + if (rtp_session->ice.ice_user && !rtp_session->ice.ready) { + send = 0; + //printf("skip no stun love\n"); + } + if (send) { send_msg->header.seq = htons(++rtp_session->seq); diff --git a/src/switch_stun.c b/src/switch_stun.c index 8e44b249db..40b94423a0 100644 --- a/src/switch_stun.c +++ b/src/switch_stun.c @@ -33,6 +33,8 @@ #include #include +#include +#include struct value_mapping { const uint32_t value; @@ -247,12 +249,6 @@ SWITCH_DECLARE(switch_stun_packet_t *) switch_stun_packet_parse(uint8_t *buf, ui case SWITCH_STUN_ATTR_USERNAME: /* ByteString, multiple of 4 bytes */ case SWITCH_STUN_ATTR_PASSWORD: /* ByteString, multiple of 4 bytes */ - if (attr->length % 4 != 0) { - /* Invalid */ - return NULL; - } - break; - case SWITCH_STUN_ATTR_DATA: /* ByteString */ case SWITCH_STUN_ATTR_ERROR_CODE: /* ErrorCode */ case SWITCH_STUN_ATTR_TRANSPORT_PREFERENCES: /* TransportPrefs */ @@ -284,9 +280,9 @@ SWITCH_DECLARE(switch_stun_packet_t *) switch_stun_packet_parse(uint8_t *buf, ui default: /* Mandatory attribute range? => invalid */ - if (attr->type <= 0x7FFF) { - return NULL; - } + //if (attr->type <= 0x7FFF) { + // return NULL; + //} break; } bytes_left -= switch_stun_attribute_padded_length(attr); /* attribute value consumed, substract padded length */ @@ -461,13 +457,114 @@ SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_xor_binded_address(swit return 1; } -SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_username(switch_stun_packet_t *packet, char *username, uint16_t ulen) +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_priority(switch_stun_packet_t *packet, uint32_t priority) +{ + switch_stun_packet_attribute_t *attribute; + uint32_t *lame; + priority = htonl(priority); + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_PRIORITY); + attribute->length = htons(4); + memcpy(attribute->value, &priority, 4); + + lame = (uint32_t *) attribute->value; + printf("FUCKER2 %u %u\n", *lame, priority); + + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + return 1; +} + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_integrity(switch_stun_packet_t *packet, const char *pass) +{ + switch_stun_packet_attribute_t *attribute; + uint16_t xlen; + + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_MESSAGE_INTEGRITY); + attribute->length = htons(20); + + xlen = ntohs(packet->header.length) + sizeof(switch_stun_packet_header_t); + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + + HMAC(EVP_sha1(), (unsigned char *)pass, strlen(pass), (void *)packet, xlen, (void *)attribute->value, NULL); + + return 1; +} + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_fingerprint(switch_stun_packet_t *packet) +{ + switch_stun_packet_attribute_t *attribute; + uint32_t crc; + uint16_t xlen; + + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_FINGERPRINT); + attribute->length = htons(4); + + xlen = ntohs(packet->header.length) + sizeof(switch_stun_packet_header_t); + + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + + crc = htonl(switch_crc32_8bytes(packet, xlen) ^ 0x5354554e); + + memcpy(attribute->value, &crc, 4); + + return 1; +} + + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_use_candidate(switch_stun_packet_t *packet) { switch_stun_packet_attribute_t *attribute; - if (ulen % 4 != 0) { - return 0; + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_USE_CAND); + attribute->length = htons(0); + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + return 1; +} + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_controlling(switch_stun_packet_t *packet) +{ + switch_stun_packet_attribute_t *attribute; + char buf[8]; + + switch_stun_random_string(buf, 8, NULL); + + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_CONTROLLING); + attribute->length = htons(8); + memcpy(attribute->value, buf, 8); + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + return 1; +} + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_controlled(switch_stun_packet_t *packet) +{ + switch_stun_packet_attribute_t *attribute; + char buf[8]; + + switch_stun_random_string(buf, 8, NULL); + + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_CONTROLLED); + attribute->length = htons(8); + memcpy(attribute->value, buf, 8); + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + return 1; +} + + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_username(switch_stun_packet_t *packet, char *username, uint16_t ulen) +{ + switch_stun_packet_attribute_t *attribute; + int m = ulen % 4; + int padding = 0; + + if (m) { + padding = 4 - m; } + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); attribute->type = htons(SWITCH_STUN_ATTR_USERNAME); attribute->length = htons(ulen); @@ -477,17 +574,45 @@ SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_username(switch_stun_pa switch_stun_random_string(attribute->value, ulen, NULL); } - packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t) + padding) + attribute->length; + + return 1; +} + +SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_software(switch_stun_packet_t *packet, char *software, uint16_t ulen) +{ + switch_stun_packet_attribute_t *attribute; + int m = ulen % 4; + int padding = 0; + + if (m) { + padding = 4 - m; + } + + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); + attribute->type = htons(SWITCH_STUN_ATTR_SOFTWARE); + attribute->length = htons(ulen); + if (software) { + memcpy(attribute->value, software, ulen); + } else { + switch_stun_random_string(attribute->value, ulen, NULL); + } + + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t) + padding) + attribute->length; + return 1; } SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_password(switch_stun_packet_t *packet, char *password, uint16_t ulen) { switch_stun_packet_attribute_t *attribute; + int m = ulen % 4; + int padding = 0; - if (ulen % 4 != 0) { - return 0; + if (m) { + padding = 4 - m; } + attribute = (switch_stun_packet_attribute_t *) ((uint8_t *) & packet->first_attribute + ntohs(packet->header.length)); attribute->type = htons(SWITCH_STUN_ATTR_PASSWORD); attribute->length = htons(ulen); @@ -497,7 +622,8 @@ SWITCH_DECLARE(uint8_t) switch_stun_packet_attribute_add_password(switch_stun_pa switch_stun_random_string(attribute->value, ulen, NULL); } - packet->header.length += htons(sizeof(switch_stun_packet_attribute_t)) + attribute->length; + packet->header.length += htons(sizeof(switch_stun_packet_attribute_t) + padding) + attribute->length; + return 1; } @@ -529,6 +655,7 @@ SWITCH_DECLARE(switch_status_t) switch_stun_lookup(char **ip, unsigned int elapsed = 0; int funny = 0; int size = sizeof(buf); + int xlen = sizeof(switch_stun_packet_header_t); switch_assert(err); @@ -639,7 +766,12 @@ SWITCH_DECLARE(switch_status_t) switch_stun_lookup(char **ip, } break; } - } while (switch_stun_packet_next_attribute(attr, end_buf)); + + if (!switch_stun_packet_next_attribute(attr, end_buf)) { + break; + } + xlen += 4 + switch_stun_attribute_padded_length(attr); + } while (xlen <= packet->header.length); if (packet->header.type == SWITCH_STUN_BINDING_RESPONSE) { *ip = switch_core_strdup(pool, rip); @@ -652,6 +784,336 @@ SWITCH_DECLARE(switch_status_t) switch_stun_lookup(char **ip, return SWITCH_STATUS_FALSE; } + + + +/// look-up table, already defined in line 18 +const uint32_t crc32Lookup[8][256] = +{ + //// same algorithm as crc32_bitwise + //for (uint32_t i = 0; i <= 0xFF; i++) + //{ + // uint32_t crc = i; + // for (unsigned int j = 0; j < 8; j++) + // crc = (crc >> 1) ^ ((crc & 1) * Polynomial); + // crc32Lookup[0][i] = crc; + //} + //// ... and the following slicing-by-8 algorithm (from Intel): + //// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf + //// http://sourceforge.net/projects/slicing-by-8/ + //for (unsigned int i = 0; i <= 0xFF; i++) + //{ + // crc32Lookup[1][i] = (crc32Lookup[0][i] >> 8) ^ crc32Lookup[0][crc32Lookup[0][i] & 0xFF]; + // crc32Lookup[2][i] = (crc32Lookup[1][i] >> 8) ^ crc32Lookup[0][crc32Lookup[1][i] & 0xFF]; + // crc32Lookup[3][i] = (crc32Lookup[2][i] >> 8) ^ crc32Lookup[0][crc32Lookup[2][i] & 0xFF]; + + // crc32Lookup[4][i] = (crc32Lookup[3][i] >> 8) ^ crc32Lookup[0][crc32Lookup[3][i] & 0xFF]; + // crc32Lookup[5][i] = (crc32Lookup[4][i] >> 8) ^ crc32Lookup[0][crc32Lookup[4][i] & 0xFF]; + // crc32Lookup[6][i] = (crc32Lookup[5][i] >> 8) ^ crc32Lookup[0][crc32Lookup[5][i] & 0xFF]; + // crc32Lookup[7][i] = (crc32Lookup[6][i] >> 8) ^ crc32Lookup[0][crc32Lookup[6][i] & 0xFF]; + //} + { 0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3, + 0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91, + 0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7, + 0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5, + 0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B, + 0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59, + 0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F, + 0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D, + 0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433, + 0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01, + 0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457, + 0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65, + 0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB, + 0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9, + 0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F, + 0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD, + 0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683, + 0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1, + 0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7, + 0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5, + 0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B, + 0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79, + 0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F, + 0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D, + 0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713, + 0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21, + 0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777, + 0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45, + 0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB, + 0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9, + 0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF, + 0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D }, + + { 0x00000000,0x191B3141,0x32366282,0x2B2D53C3,0x646CC504,0x7D77F445,0x565AA786,0x4F4196C7, + 0xC8D98A08,0xD1C2BB49,0xFAEFE88A,0xE3F4D9CB,0xACB54F0C,0xB5AE7E4D,0x9E832D8E,0x87981CCF, + 0x4AC21251,0x53D92310,0x78F470D3,0x61EF4192,0x2EAED755,0x37B5E614,0x1C98B5D7,0x05838496, + 0x821B9859,0x9B00A918,0xB02DFADB,0xA936CB9A,0xE6775D5D,0xFF6C6C1C,0xD4413FDF,0xCD5A0E9E, + 0x958424A2,0x8C9F15E3,0xA7B24620,0xBEA97761,0xF1E8E1A6,0xE8F3D0E7,0xC3DE8324,0xDAC5B265, + 0x5D5DAEAA,0x44469FEB,0x6F6BCC28,0x7670FD69,0x39316BAE,0x202A5AEF,0x0B07092C,0x121C386D, + 0xDF4636F3,0xC65D07B2,0xED705471,0xF46B6530,0xBB2AF3F7,0xA231C2B6,0x891C9175,0x9007A034, + 0x179FBCFB,0x0E848DBA,0x25A9DE79,0x3CB2EF38,0x73F379FF,0x6AE848BE,0x41C51B7D,0x58DE2A3C, + 0xF0794F05,0xE9627E44,0xC24F2D87,0xDB541CC6,0x94158A01,0x8D0EBB40,0xA623E883,0xBF38D9C2, + 0x38A0C50D,0x21BBF44C,0x0A96A78F,0x138D96CE,0x5CCC0009,0x45D73148,0x6EFA628B,0x77E153CA, + 0xBABB5D54,0xA3A06C15,0x888D3FD6,0x91960E97,0xDED79850,0xC7CCA911,0xECE1FAD2,0xF5FACB93, + 0x7262D75C,0x6B79E61D,0x4054B5DE,0x594F849F,0x160E1258,0x0F152319,0x243870DA,0x3D23419B, + 0x65FD6BA7,0x7CE65AE6,0x57CB0925,0x4ED03864,0x0191AEA3,0x188A9FE2,0x33A7CC21,0x2ABCFD60, + 0xAD24E1AF,0xB43FD0EE,0x9F12832D,0x8609B26C,0xC94824AB,0xD05315EA,0xFB7E4629,0xE2657768, + 0x2F3F79F6,0x362448B7,0x1D091B74,0x04122A35,0x4B53BCF2,0x52488DB3,0x7965DE70,0x607EEF31, + 0xE7E6F3FE,0xFEFDC2BF,0xD5D0917C,0xCCCBA03D,0x838A36FA,0x9A9107BB,0xB1BC5478,0xA8A76539, + 0x3B83984B,0x2298A90A,0x09B5FAC9,0x10AECB88,0x5FEF5D4F,0x46F46C0E,0x6DD93FCD,0x74C20E8C, + 0xF35A1243,0xEA412302,0xC16C70C1,0xD8774180,0x9736D747,0x8E2DE606,0xA500B5C5,0xBC1B8484, + 0x71418A1A,0x685ABB5B,0x4377E898,0x5A6CD9D9,0x152D4F1E,0x0C367E5F,0x271B2D9C,0x3E001CDD, + 0xB9980012,0xA0833153,0x8BAE6290,0x92B553D1,0xDDF4C516,0xC4EFF457,0xEFC2A794,0xF6D996D5, + 0xAE07BCE9,0xB71C8DA8,0x9C31DE6B,0x852AEF2A,0xCA6B79ED,0xD37048AC,0xF85D1B6F,0xE1462A2E, + 0x66DE36E1,0x7FC507A0,0x54E85463,0x4DF36522,0x02B2F3E5,0x1BA9C2A4,0x30849167,0x299FA026, + 0xE4C5AEB8,0xFDDE9FF9,0xD6F3CC3A,0xCFE8FD7B,0x80A96BBC,0x99B25AFD,0xB29F093E,0xAB84387F, + 0x2C1C24B0,0x350715F1,0x1E2A4632,0x07317773,0x4870E1B4,0x516BD0F5,0x7A468336,0x635DB277, + 0xCBFAD74E,0xD2E1E60F,0xF9CCB5CC,0xE0D7848D,0xAF96124A,0xB68D230B,0x9DA070C8,0x84BB4189, + 0x03235D46,0x1A386C07,0x31153FC4,0x280E0E85,0x674F9842,0x7E54A903,0x5579FAC0,0x4C62CB81, + 0x8138C51F,0x9823F45E,0xB30EA79D,0xAA1596DC,0xE554001B,0xFC4F315A,0xD7626299,0xCE7953D8, + 0x49E14F17,0x50FA7E56,0x7BD72D95,0x62CC1CD4,0x2D8D8A13,0x3496BB52,0x1FBBE891,0x06A0D9D0, + 0x5E7EF3EC,0x4765C2AD,0x6C48916E,0x7553A02F,0x3A1236E8,0x230907A9,0x0824546A,0x113F652B, + 0x96A779E4,0x8FBC48A5,0xA4911B66,0xBD8A2A27,0xF2CBBCE0,0xEBD08DA1,0xC0FDDE62,0xD9E6EF23, + 0x14BCE1BD,0x0DA7D0FC,0x268A833F,0x3F91B27E,0x70D024B9,0x69CB15F8,0x42E6463B,0x5BFD777A, + 0xDC656BB5,0xC57E5AF4,0xEE530937,0xF7483876,0xB809AEB1,0xA1129FF0,0x8A3FCC33,0x9324FD72 }, + + { 0x00000000,0x01C26A37,0x0384D46E,0x0246BE59,0x0709A8DC,0x06CBC2EB,0x048D7CB2,0x054F1685, + 0x0E1351B8,0x0FD13B8F,0x0D9785D6,0x0C55EFE1,0x091AF964,0x08D89353,0x0A9E2D0A,0x0B5C473D, + 0x1C26A370,0x1DE4C947,0x1FA2771E,0x1E601D29,0x1B2F0BAC,0x1AED619B,0x18ABDFC2,0x1969B5F5, + 0x1235F2C8,0x13F798FF,0x11B126A6,0x10734C91,0x153C5A14,0x14FE3023,0x16B88E7A,0x177AE44D, + 0x384D46E0,0x398F2CD7,0x3BC9928E,0x3A0BF8B9,0x3F44EE3C,0x3E86840B,0x3CC03A52,0x3D025065, + 0x365E1758,0x379C7D6F,0x35DAC336,0x3418A901,0x3157BF84,0x3095D5B3,0x32D36BEA,0x331101DD, + 0x246BE590,0x25A98FA7,0x27EF31FE,0x262D5BC9,0x23624D4C,0x22A0277B,0x20E69922,0x2124F315, + 0x2A78B428,0x2BBADE1F,0x29FC6046,0x283E0A71,0x2D711CF4,0x2CB376C3,0x2EF5C89A,0x2F37A2AD, + 0x709A8DC0,0x7158E7F7,0x731E59AE,0x72DC3399,0x7793251C,0x76514F2B,0x7417F172,0x75D59B45, + 0x7E89DC78,0x7F4BB64F,0x7D0D0816,0x7CCF6221,0x798074A4,0x78421E93,0x7A04A0CA,0x7BC6CAFD, + 0x6CBC2EB0,0x6D7E4487,0x6F38FADE,0x6EFA90E9,0x6BB5866C,0x6A77EC5B,0x68315202,0x69F33835, + 0x62AF7F08,0x636D153F,0x612BAB66,0x60E9C151,0x65A6D7D4,0x6464BDE3,0x662203BA,0x67E0698D, + 0x48D7CB20,0x4915A117,0x4B531F4E,0x4A917579,0x4FDE63FC,0x4E1C09CB,0x4C5AB792,0x4D98DDA5, + 0x46C49A98,0x4706F0AF,0x45404EF6,0x448224C1,0x41CD3244,0x400F5873,0x4249E62A,0x438B8C1D, + 0x54F16850,0x55330267,0x5775BC3E,0x56B7D609,0x53F8C08C,0x523AAABB,0x507C14E2,0x51BE7ED5, + 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0x2654B999,0x9EE8DEFC,0x8C5D7112,0x34E11677,0xA9362ECE,0x118A49AB,0x033FE645,0xBB838120, + 0xE3E09176,0x5B5CF613,0x49E959FD,0xF1553E98,0x6C820621,0xD43E6144,0xC68BCEAA,0x7E37A9CF, + 0xD67F4138,0x6EC3265D,0x7C7689B3,0xC4CAEED6,0x591DD66F,0xE1A1B10A,0xF3141EE4,0x4BA87981, + 0x13CB69D7,0xAB770EB2,0xB9C2A15C,0x017EC639,0x9CA9FE80,0x241599E5,0x36A0360B,0x8E1C516E, + 0x866616A7,0x3EDA71C2,0x2C6FDE2C,0x94D3B949,0x090481F0,0xB1B8E695,0xA30D497B,0x1BB12E1E, + 0x43D23E48,0xFB6E592D,0xE9DBF6C3,0x516791A6,0xCCB0A91F,0x740CCE7A,0x66B96194,0xDE0506F1 }, + + { 0x00000000,0x3D6029B0,0x7AC05360,0x47A07AD0,0xF580A6C0,0xC8E08F70,0x8F40F5A0,0xB220DC10, + 0x30704BC1,0x0D106271,0x4AB018A1,0x77D03111,0xC5F0ED01,0xF890C4B1,0xBF30BE61,0x825097D1, + 0x60E09782,0x5D80BE32,0x1A20C4E2,0x2740ED52,0x95603142,0xA80018F2,0xEFA06222,0xD2C04B92, + 0x5090DC43,0x6DF0F5F3,0x2A508F23,0x1730A693,0xA5107A83,0x98705333,0xDFD029E3,0xE2B00053, + 0xC1C12F04,0xFCA106B4,0xBB017C64,0x866155D4,0x344189C4,0x0921A074,0x4E81DAA4,0x73E1F314, + 0xF1B164C5,0xCCD14D75,0x8B7137A5,0xB6111E15,0x0431C205,0x3951EBB5,0x7EF19165,0x4391B8D5, + 0xA121B886,0x9C419136,0xDBE1EBE6,0xE681C256,0x54A11E46,0x69C137F6,0x2E614D26,0x13016496, + 0x9151F347,0xAC31DAF7,0xEB91A027,0xD6F18997,0x64D15587,0x59B17C37,0x1E1106E7,0x23712F57, + 0x58F35849,0x659371F9,0x22330B29,0x1F532299,0xAD73FE89,0x9013D739,0xD7B3ADE9,0xEAD38459, + 0x68831388,0x55E33A38,0x124340E8,0x2F236958,0x9D03B548,0xA0639CF8,0xE7C3E628,0xDAA3CF98, + 0x3813CFCB,0x0573E67B,0x42D39CAB,0x7FB3B51B,0xCD93690B,0xF0F340BB,0xB7533A6B,0x8A3313DB, + 0x0863840A,0x3503ADBA,0x72A3D76A,0x4FC3FEDA,0xFDE322CA,0xC0830B7A,0x872371AA,0xBA43581A, + 0x9932774D,0xA4525EFD,0xE3F2242D,0xDE920D9D,0x6CB2D18D,0x51D2F83D,0x167282ED,0x2B12AB5D, + 0xA9423C8C,0x9422153C,0xD3826FEC,0xEEE2465C,0x5CC29A4C,0x61A2B3FC,0x2602C92C,0x1B62E09C, + 0xF9D2E0CF,0xC4B2C97F,0x8312B3AF,0xBE729A1F,0x0C52460F,0x31326FBF,0x7692156F,0x4BF23CDF, + 0xC9A2AB0E,0xF4C282BE,0xB362F86E,0x8E02D1DE,0x3C220DCE,0x0142247E,0x46E25EAE,0x7B82771E, + 0xB1E6B092,0x8C869922,0xCB26E3F2,0xF646CA42,0x44661652,0x79063FE2,0x3EA64532,0x03C66C82, + 0x8196FB53,0xBCF6D2E3,0xFB56A833,0xC6368183,0x74165D93,0x49767423,0x0ED60EF3,0x33B62743, + 0xD1062710,0xEC660EA0,0xABC67470,0x96A65DC0,0x248681D0,0x19E6A860,0x5E46D2B0,0x6326FB00, + 0xE1766CD1,0xDC164561,0x9BB63FB1,0xA6D61601,0x14F6CA11,0x2996E3A1,0x6E369971,0x5356B0C1, + 0x70279F96,0x4D47B626,0x0AE7CCF6,0x3787E546,0x85A73956,0xB8C710E6,0xFF676A36,0xC2074386, + 0x4057D457,0x7D37FDE7,0x3A978737,0x07F7AE87,0xB5D77297,0x88B75B27,0xCF1721F7,0xF2770847, + 0x10C70814,0x2DA721A4,0x6A075B74,0x576772C4,0xE547AED4,0xD8278764,0x9F87FDB4,0xA2E7D404, + 0x20B743D5,0x1DD76A65,0x5A7710B5,0x67173905,0xD537E515,0xE857CCA5,0xAFF7B675,0x92979FC5, + 0xE915E8DB,0xD475C16B,0x93D5BBBB,0xAEB5920B,0x1C954E1B,0x21F567AB,0x66551D7B,0x5B3534CB, + 0xD965A31A,0xE4058AAA,0xA3A5F07A,0x9EC5D9CA,0x2CE505DA,0x11852C6A,0x562556BA,0x6B457F0A, + 0x89F57F59,0xB49556E9,0xF3352C39,0xCE550589,0x7C75D999,0x4115F029,0x06B58AF9,0x3BD5A349, + 0xB9853498,0x84E51D28,0xC34567F8,0xFE254E48,0x4C059258,0x7165BBE8,0x36C5C138,0x0BA5E888, + 0x28D4C7DF,0x15B4EE6F,0x521494BF,0x6F74BD0F,0xDD54611F,0xE03448AF,0xA794327F,0x9AF41BCF, + 0x18A48C1E,0x25C4A5AE,0x6264DF7E,0x5F04F6CE,0xED242ADE,0xD044036E,0x97E479BE,0xAA84500E, + 0x4834505D,0x755479ED,0x32F4033D,0x0F942A8D,0xBDB4F69D,0x80D4DF2D,0xC774A5FD,0xFA148C4D, + 0x78441B9C,0x4524322C,0x028448FC,0x3FE4614C,0x8DC4BD5C,0xB0A494EC,0xF704EE3C,0xCA64C78C }, + + { 0x00000000,0xCB5CD3A5,0x4DC8A10B,0x869472AE,0x9B914216,0x50CD91B3,0xD659E31D,0x1D0530B8, + 0xEC53826D,0x270F51C8,0xA19B2366,0x6AC7F0C3,0x77C2C07B,0xBC9E13DE,0x3A0A6170,0xF156B2D5, + 0x03D6029B,0xC88AD13E,0x4E1EA390,0x85427035,0x9847408D,0x531B9328,0xD58FE186,0x1ED33223, + 0xEF8580F6,0x24D95353,0xA24D21FD,0x6911F258,0x7414C2E0,0xBF481145,0x39DC63EB,0xF280B04E, + 0x07AC0536,0xCCF0D693,0x4A64A43D,0x81387798,0x9C3D4720,0x57619485,0xD1F5E62B,0x1AA9358E, + 0xEBFF875B,0x20A354FE,0xA6372650,0x6D6BF5F5,0x706EC54D,0xBB3216E8,0x3DA66446,0xF6FAB7E3, + 0x047A07AD,0xCF26D408,0x49B2A6A6,0x82EE7503,0x9FEB45BB,0x54B7961E,0xD223E4B0,0x197F3715, + 0xE82985C0,0x23755665,0xA5E124CB,0x6EBDF76E,0x73B8C7D6,0xB8E41473,0x3E7066DD,0xF52CB578, + 0x0F580A6C,0xC404D9C9,0x4290AB67,0x89CC78C2,0x94C9487A,0x5F959BDF,0xD901E971,0x125D3AD4, + 0xE30B8801,0x28575BA4,0xAEC3290A,0x659FFAAF,0x789ACA17,0xB3C619B2,0x35526B1C,0xFE0EB8B9, + 0x0C8E08F7,0xC7D2DB52,0x4146A9FC,0x8A1A7A59,0x971F4AE1,0x5C439944,0xDAD7EBEA,0x118B384F, + 0xE0DD8A9A,0x2B81593F,0xAD152B91,0x6649F834,0x7B4CC88C,0xB0101B29,0x36846987,0xFDD8BA22, + 0x08F40F5A,0xC3A8DCFF,0x453CAE51,0x8E607DF4,0x93654D4C,0x58399EE9,0xDEADEC47,0x15F13FE2, + 0xE4A78D37,0x2FFB5E92,0xA96F2C3C,0x6233FF99,0x7F36CF21,0xB46A1C84,0x32FE6E2A,0xF9A2BD8F, + 0x0B220DC1,0xC07EDE64,0x46EAACCA,0x8DB67F6F,0x90B34FD7,0x5BEF9C72,0xDD7BEEDC,0x16273D79, + 0xE7718FAC,0x2C2D5C09,0xAAB92EA7,0x61E5FD02,0x7CE0CDBA,0xB7BC1E1F,0x31286CB1,0xFA74BF14, + 0x1EB014D8,0xD5ECC77D,0x5378B5D3,0x98246676,0x852156CE,0x4E7D856B,0xC8E9F7C5,0x03B52460, + 0xF2E396B5,0x39BF4510,0xBF2B37BE,0x7477E41B,0x6972D4A3,0xA22E0706,0x24BA75A8,0xEFE6A60D, + 0x1D661643,0xD63AC5E6,0x50AEB748,0x9BF264ED,0x86F75455,0x4DAB87F0,0xCB3FF55E,0x006326FB, + 0xF135942E,0x3A69478B,0xBCFD3525,0x77A1E680,0x6AA4D638,0xA1F8059D,0x276C7733,0xEC30A496, + 0x191C11EE,0xD240C24B,0x54D4B0E5,0x9F886340,0x828D53F8,0x49D1805D,0xCF45F2F3,0x04192156, + 0xF54F9383,0x3E134026,0xB8873288,0x73DBE12D,0x6EDED195,0xA5820230,0x2316709E,0xE84AA33B, + 0x1ACA1375,0xD196C0D0,0x5702B27E,0x9C5E61DB,0x815B5163,0x4A0782C6,0xCC93F068,0x07CF23CD, + 0xF6999118,0x3DC542BD,0xBB513013,0x700DE3B6,0x6D08D30E,0xA65400AB,0x20C07205,0xEB9CA1A0, + 0x11E81EB4,0xDAB4CD11,0x5C20BFBF,0x977C6C1A,0x8A795CA2,0x41258F07,0xC7B1FDA9,0x0CED2E0C, + 0xFDBB9CD9,0x36E74F7C,0xB0733DD2,0x7B2FEE77,0x662ADECF,0xAD760D6A,0x2BE27FC4,0xE0BEAC61, + 0x123E1C2F,0xD962CF8A,0x5FF6BD24,0x94AA6E81,0x89AF5E39,0x42F38D9C,0xC467FF32,0x0F3B2C97, + 0xFE6D9E42,0x35314DE7,0xB3A53F49,0x78F9ECEC,0x65FCDC54,0xAEA00FF1,0x28347D5F,0xE368AEFA, + 0x16441B82,0xDD18C827,0x5B8CBA89,0x90D0692C,0x8DD55994,0x46898A31,0xC01DF89F,0x0B412B3A, + 0xFA1799EF,0x314B4A4A,0xB7DF38E4,0x7C83EB41,0x6186DBF9,0xAADA085C,0x2C4E7AF2,0xE712A957, + 0x15921919,0xDECECABC,0x585AB812,0x93066BB7,0x8E035B0F,0x455F88AA,0xC3CBFA04,0x089729A1, + 0xF9C19B74,0x329D48D1,0xB4093A7F,0x7F55E9DA,0x6250D962,0xA90C0AC7,0x2F987869,0xE4C4ABCC }, + + { 0x00000000,0xA6770BB4,0x979F1129,0x31E81A9D,0xF44F2413,0x52382FA7,0x63D0353A,0xC5A73E8E, + 0x33EF4E67,0x959845D3,0xA4705F4E,0x020754FA,0xC7A06A74,0x61D761C0,0x503F7B5D,0xF64870E9, + 0x67DE9CCE,0xC1A9977A,0xF0418DE7,0x56368653,0x9391B8DD,0x35E6B369,0x040EA9F4,0xA279A240, + 0x5431D2A9,0xF246D91D,0xC3AEC380,0x65D9C834,0xA07EF6BA,0x0609FD0E,0x37E1E793,0x9196EC27, + 0xCFBD399C,0x69CA3228,0x582228B5,0xFE552301,0x3BF21D8F,0x9D85163B,0xAC6D0CA6,0x0A1A0712, + 0xFC5277FB,0x5A257C4F,0x6BCD66D2,0xCDBA6D66,0x081D53E8,0xAE6A585C,0x9F8242C1,0x39F54975, + 0xA863A552,0x0E14AEE6,0x3FFCB47B,0x998BBFCF,0x5C2C8141,0xFA5B8AF5,0xCBB39068,0x6DC49BDC, + 0x9B8CEB35,0x3DFBE081,0x0C13FA1C,0xAA64F1A8,0x6FC3CF26,0xC9B4C492,0xF85CDE0F,0x5E2BD5BB, + 0x440B7579,0xE27C7ECD,0xD3946450,0x75E36FE4,0xB044516A,0x16335ADE,0x27DB4043,0x81AC4BF7, + 0x77E43B1E,0xD19330AA,0xE07B2A37,0x460C2183,0x83AB1F0D,0x25DC14B9,0x14340E24,0xB2430590, + 0x23D5E9B7,0x85A2E203,0xB44AF89E,0x123DF32A,0xD79ACDA4,0x71EDC610,0x4005DC8D,0xE672D739, + 0x103AA7D0,0xB64DAC64,0x87A5B6F9,0x21D2BD4D,0xE47583C3,0x42028877,0x73EA92EA,0xD59D995E, + 0x8BB64CE5,0x2DC14751,0x1C295DCC,0xBA5E5678,0x7FF968F6,0xD98E6342,0xE86679DF,0x4E11726B, + 0xB8590282,0x1E2E0936,0x2FC613AB,0x89B1181F,0x4C162691,0xEA612D25,0xDB8937B8,0x7DFE3C0C, + 0xEC68D02B,0x4A1FDB9F,0x7BF7C102,0xDD80CAB6,0x1827F438,0xBE50FF8C,0x8FB8E511,0x29CFEEA5, + 0xDF879E4C,0x79F095F8,0x48188F65,0xEE6F84D1,0x2BC8BA5F,0x8DBFB1EB,0xBC57AB76,0x1A20A0C2, + 0x8816EAF2,0x2E61E146,0x1F89FBDB,0xB9FEF06F,0x7C59CEE1,0xDA2EC555,0xEBC6DFC8,0x4DB1D47C, + 0xBBF9A495,0x1D8EAF21,0x2C66B5BC,0x8A11BE08,0x4FB68086,0xE9C18B32,0xD82991AF,0x7E5E9A1B, + 0xEFC8763C,0x49BF7D88,0x78576715,0xDE206CA1,0x1B87522F,0xBDF0599B,0x8C184306,0x2A6F48B2, + 0xDC27385B,0x7A5033EF,0x4BB82972,0xEDCF22C6,0x28681C48,0x8E1F17FC,0xBFF70D61,0x198006D5, + 0x47ABD36E,0xE1DCD8DA,0xD034C247,0x7643C9F3,0xB3E4F77D,0x1593FCC9,0x247BE654,0x820CEDE0, + 0x74449D09,0xD23396BD,0xE3DB8C20,0x45AC8794,0x800BB91A,0x267CB2AE,0x1794A833,0xB1E3A387, + 0x20754FA0,0x86024414,0xB7EA5E89,0x119D553D,0xD43A6BB3,0x724D6007,0x43A57A9A,0xE5D2712E, + 0x139A01C7,0xB5ED0A73,0x840510EE,0x22721B5A,0xE7D525D4,0x41A22E60,0x704A34FD,0xD63D3F49, + 0xCC1D9F8B,0x6A6A943F,0x5B828EA2,0xFDF58516,0x3852BB98,0x9E25B02C,0xAFCDAAB1,0x09BAA105, + 0xFFF2D1EC,0x5985DA58,0x686DC0C5,0xCE1ACB71,0x0BBDF5FF,0xADCAFE4B,0x9C22E4D6,0x3A55EF62, + 0xABC30345,0x0DB408F1,0x3C5C126C,0x9A2B19D8,0x5F8C2756,0xF9FB2CE2,0xC813367F,0x6E643DCB, + 0x982C4D22,0x3E5B4696,0x0FB35C0B,0xA9C457BF,0x6C636931,0xCA146285,0xFBFC7818,0x5D8B73AC, + 0x03A0A617,0xA5D7ADA3,0x943FB73E,0x3248BC8A,0xF7EF8204,0x519889B0,0x6070932D,0xC6079899, + 0x304FE870,0x9638E3C4,0xA7D0F959,0x01A7F2ED,0xC400CC63,0x6277C7D7,0x539FDD4A,0xF5E8D6FE, + 0x647E3AD9,0xC209316D,0xF3E12BF0,0x55962044,0x90311ECA,0x3646157E,0x07AE0FE3,0xA1D90457, + 0x579174BE,0xF1E67F0A,0xC00E6597,0x66796E23,0xA3DE50AD,0x05A95B19,0x34414184,0x92364A30 }, + + { 0x00000000,0xCCAA009E,0x4225077D,0x8E8F07E3,0x844A0EFA,0x48E00E64,0xC66F0987,0x0AC50919, + 0xD3E51BB5,0x1F4F1B2B,0x91C01CC8,0x5D6A1C56,0x57AF154F,0x9B0515D1,0x158A1232,0xD92012AC, + 0x7CBB312B,0xB01131B5,0x3E9E3656,0xF23436C8,0xF8F13FD1,0x345B3F4F,0xBAD438AC,0x767E3832, + 0xAF5E2A9E,0x63F42A00,0xED7B2DE3,0x21D12D7D,0x2B142464,0xE7BE24FA,0x69312319,0xA59B2387, + 0xF9766256,0x35DC62C8,0xBB53652B,0x77F965B5,0x7D3C6CAC,0xB1966C32,0x3F196BD1,0xF3B36B4F, + 0x2A9379E3,0xE639797D,0x68B67E9E,0xA41C7E00,0xAED97719,0x62737787,0xECFC7064,0x205670FA, + 0x85CD537D,0x496753E3,0xC7E85400,0x0B42549E,0x01875D87,0xCD2D5D19,0x43A25AFA,0x8F085A64, + 0x562848C8,0x9A824856,0x140D4FB5,0xD8A74F2B,0xD2624632,0x1EC846AC,0x9047414F,0x5CED41D1, + 0x299DC2ED,0xE537C273,0x6BB8C590,0xA712C50E,0xADD7CC17,0x617DCC89,0xEFF2CB6A,0x2358CBF4, + 0xFA78D958,0x36D2D9C6,0xB85DDE25,0x74F7DEBB,0x7E32D7A2,0xB298D73C,0x3C17D0DF,0xF0BDD041, + 0x5526F3C6,0x998CF358,0x1703F4BB,0xDBA9F425,0xD16CFD3C,0x1DC6FDA2,0x9349FA41,0x5FE3FADF, + 0x86C3E873,0x4A69E8ED,0xC4E6EF0E,0x084CEF90,0x0289E689,0xCE23E617,0x40ACE1F4,0x8C06E16A, + 0xD0EBA0BB,0x1C41A025,0x92CEA7C6,0x5E64A758,0x54A1AE41,0x980BAEDF,0x1684A93C,0xDA2EA9A2, + 0x030EBB0E,0xCFA4BB90,0x412BBC73,0x8D81BCED,0x8744B5F4,0x4BEEB56A,0xC561B289,0x09CBB217, + 0xAC509190,0x60FA910E,0xEE7596ED,0x22DF9673,0x281A9F6A,0xE4B09FF4,0x6A3F9817,0xA6959889, + 0x7FB58A25,0xB31F8ABB,0x3D908D58,0xF13A8DC6,0xFBFF84DF,0x37558441,0xB9DA83A2,0x7570833C, + 0x533B85DA,0x9F918544,0x111E82A7,0xDDB48239,0xD7718B20,0x1BDB8BBE,0x95548C5D,0x59FE8CC3, + 0x80DE9E6F,0x4C749EF1,0xC2FB9912,0x0E51998C,0x04949095,0xC83E900B,0x46B197E8,0x8A1B9776, + 0x2F80B4F1,0xE32AB46F,0x6DA5B38C,0xA10FB312,0xABCABA0B,0x6760BA95,0xE9EFBD76,0x2545BDE8, + 0xFC65AF44,0x30CFAFDA,0xBE40A839,0x72EAA8A7,0x782FA1BE,0xB485A120,0x3A0AA6C3,0xF6A0A65D, + 0xAA4DE78C,0x66E7E712,0xE868E0F1,0x24C2E06F,0x2E07E976,0xE2ADE9E8,0x6C22EE0B,0xA088EE95, + 0x79A8FC39,0xB502FCA7,0x3B8DFB44,0xF727FBDA,0xFDE2F2C3,0x3148F25D,0xBFC7F5BE,0x736DF520, + 0xD6F6D6A7,0x1A5CD639,0x94D3D1DA,0x5879D144,0x52BCD85D,0x9E16D8C3,0x1099DF20,0xDC33DFBE, + 0x0513CD12,0xC9B9CD8C,0x4736CA6F,0x8B9CCAF1,0x8159C3E8,0x4DF3C376,0xC37CC495,0x0FD6C40B, + 0x7AA64737,0xB60C47A9,0x3883404A,0xF42940D4,0xFEEC49CD,0x32464953,0xBCC94EB0,0x70634E2E, + 0xA9435C82,0x65E95C1C,0xEB665BFF,0x27CC5B61,0x2D095278,0xE1A352E6,0x6F2C5505,0xA386559B, + 0x061D761C,0xCAB77682,0x44387161,0x889271FF,0x825778E6,0x4EFD7878,0xC0727F9B,0x0CD87F05, + 0xD5F86DA9,0x19526D37,0x97DD6AD4,0x5B776A4A,0x51B26353,0x9D1863CD,0x1397642E,0xDF3D64B0, + 0x83D02561,0x4F7A25FF,0xC1F5221C,0x0D5F2282,0x079A2B9B,0xCB302B05,0x45BF2CE6,0x89152C78, + 0x50353ED4,0x9C9F3E4A,0x121039A9,0xDEBA3937,0xD47F302E,0x18D530B0,0x965A3753,0x5AF037CD, + 0xFF6B144A,0x33C114D4,0xBD4E1337,0x71E413A9,0x7B211AB0,0xB78B1A2E,0x39041DCD,0xF5AE1D53, + 0x2C8E0FFF,0xE0240F61,0x6EAB0882,0xA201081C,0xA8C40105,0x646E019B,0xEAE10678,0x264B06E6 } +}; + + + +SWITCH_DECLARE(uint32_t) switch_crc32_8bytes(const void* data, size_t length) +{ + uint32_t *current = (uint32_t *) data; + uint32_t previousCrc32 = 0; + uint32_t crc = ~previousCrc32; // same as previousCrc32 ^ 0xFFFFFFFF + uint8_t *currentChar; + + // process eight bytes at once + while (length >= 8) + { + uint32_t one = *current++ ^ crc; + uint32_t two = *current++; + crc = crc32Lookup[7][ one & 0xFF] ^ + crc32Lookup[6][(one>> 8) & 0xFF] ^ + crc32Lookup[5][(one>>16) & 0xFF] ^ + crc32Lookup[4][ one>>24 ] ^ + crc32Lookup[3][ two & 0xFF] ^ + crc32Lookup[2][(two>> 8) & 0xFF] ^ + crc32Lookup[1][(two>>16) & 0xFF] ^ + crc32Lookup[0][ two>>24 ]; + length -= 8; + } + + currentChar = (uint8_t*) current; + // remaining 1 to 7 bytes (standard CRC table-based algorithm) + while (length--) + crc = (crc >> 8) ^ crc32Lookup[0][(crc & 0xFF) ^ *currentChar++]; + + return ~crc; // same as crc ^ 0xFFFFFFFF +} + + + + + /* For Emacs: * Local Variables: * mode:c