319 lines
12 KiB
C++
319 lines
12 KiB
C++
#include <gtest/gtest.h>
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#include "packet_helper.h"
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/*
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* User Datagram Protocol, Src Port: 2123, Dst Port: 2123
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* GPRS Tunneling Protocol
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* Flags: 0x32
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* 001. .... = Version: GTP release 99 version (1)
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* ...1 .... = Protocol type: GTP (1)
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* .... 0... = Reserved: 0
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* .... .0.. = Is Next Extension Header present?: No
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* .... ..1. = Is Sequence Number present?: Yes
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* .... ...0 = Is N-PDU number present?: No
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* Message Type: Create PDP context request (0x10)
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* Length: 151
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* TEID: 0x00000000 (0)
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* Sequence number: 0x00fe (254)
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* IMSI: 27203
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* [Association IMSI: 27203]
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* Mobile Country Code (MCC): Ireland (272)
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* Mobile Network Code (MNC): Eircom Ltd (03)
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* Routing Area Identity
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* Mobile Country Code (MCC): Ireland (272)
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* Mobile Network Code (MNC): Eircom Ltd (03)
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* Location Area Code (LAC): 65534
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* Routing Area Code (RAC): 255
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* Recovery: 93
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* Selection mode: MS or network provided APN, subscribed verified
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* .... ..00 = Selection mode: MS or network provided APN, subscribed verified (0)
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* TEID Data I: 0x372f0000 (925827072)
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* TEID Control Plane: 0x372f0000 (925827072)
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* NSAPI: 5
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* .... 0101 = NSAPI: 5
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* End user address (IETF/IPv4)
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* Length: 2
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* PDP type organization: IETF (1)
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* PDP type number: IPv4 (0x21)
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* Access Point Name: mms.mymeteor.ie
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* APN length: 16
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* APN: mms.mymeteor.ie
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* Protocol configuration options
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* Length: 34
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* [Link direction: MS to network (0)]
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* 1... .... = Extension: True
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* .... .000 = Configuration Protocol: PPP for use with IP PDP type or IP PDN type (0)
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* Protocol or Container ID: Password Authentication Protocol (0xc023)
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* Length: 0x0b (11)
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* PPP Password Authentication Protocol
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* Code: Authenticate-Request (1)
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* Identifier: 0
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* Length: 11
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* Data
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* Peer-ID-Length: 2
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* Peer-ID: my
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* Password-Length: 3
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* Password: wap
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* Protocol or Container ID: Internet Protocol Control Protocol (0x8021)
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* Length: 0x10 (16)
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* PPP IP Control Protocol
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* Code: Configuration Request (1)
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* Identifier: 0 (0x00)
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* Length: 16
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* Options: (12 bytes), Primary DNS Server IP Address, Secondary DNS Server IP Address
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* Primary DNS Server IP Address
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* Type: Primary DNS Server IP Address (129)
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* Length: 6
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* Primary DNS Address: 0.0.0.0
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* Secondary DNS Server IP Address
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* Type: Secondary DNS Server IP Address (131)
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* Length: 6
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* Secondary DNS Address: 0.0.0.0
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* GSN address : 212.129.65.13
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* GSN address length: 4
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* GSN address IPv4: 212.129.65.13
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* GSN address : 212.129.65.23
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* GSN address length: 4
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* GSN address IPv4: 212.129.65.23
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* MS international PSTN/ISDN number
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* Length: 7
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* 1... .... = Extension: No Extension
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* .001 .... = Nature of number: International Number (0x1)
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* .... 0001 = Number plan: ISDN/Telephony Numbering (Rec ITU-T E.164) (0x1)
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* E.164 number (MSISDN): 353800000000
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* Country Code: Ireland (353)
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* Quality of Service
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* Length: 12
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* Allocation/Retention priority: 2
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* 00.. .... = Spare: 0
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* ..10 0... = QoS delay: Delay class 4 (best effort) (4)
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* .... .011 = QoS reliability: Unacknowledged GTP/LLC, Ack RLC, Protected data (3)
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* 0110 .... = QoS peak: Up to 32 000 oct/s (6)
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* .... 0... = Spare: 0
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* .... .010 = QoS precedence: Normal priority (2)
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* 000. .... = Spare: 0
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* ...1 1111 = QoS mean: Best effort (31)
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* 100. .... = Traffic class: Background class (4)
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* ...1 0... = Delivery order: Without delivery order ('no') (2)
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* .... .011 = Delivery of erroneous SDU: Erroneous SDUs are not delivered ('no') (3)
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* Maximum SDU size: 1500 octets
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* Maximum bit rate for uplink: 256 kbps
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* Maximum bit rate for downlink: 256 kbps
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* 0111 .... = Residual BER: 1/100 000 = 1x10^-5 (7)
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* .... 0100 = SDU Error ratio: 1/10 000 = 1x10^-4 (4)
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* 1111 10.. = Transfer delay: 4000 ms (62)
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* .... ..11 = Traffic handling priority: Priority level 3 (3)
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* Guaranteed bit rate for uplink: 0 kbps (255)
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* Guaranteed bit rate for downlink: 0 kbps (255)
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* RAT Type: GERAN
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* Length: 1
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* RAT Type: GERAN (2)
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* IMEI(SV): 3598100185893512
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* Length: 8
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* IMEI(SV): 3598100185893512
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* [Response In: 2]
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*/
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unsigned char gtp1_c[] = {
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0x32, 0x10, 0x00, 0x97, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x02, 0x72, 0x02, 0xf3, 0x01, 0x00, 0x00, 0x00, 0x00, 0x03, 0x72, 0xf2, 0x30, 0xff,
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0xfe, 0xff, 0x0e, 0x5d, 0x0f, 0xfc, 0x10, 0x37, 0x2f, 0x00, 0x00, 0x11, 0x37, 0x2f, 0x00, 0x00, 0x14, 0x05, 0x80, 0x00, 0x02, 0xf1, 0x21, 0x83, 0x00, 0x10,
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0x03, 0x6d, 0x6d, 0x73, 0x08, 0x6d, 0x79, 0x6d, 0x65, 0x74, 0x65, 0x6f, 0x72, 0x02, 0x69, 0x65, 0x84, 0x00, 0x22, 0x80, 0xc0, 0x23, 0x0b, 0x01, 0x00, 0x00,
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0x0b, 0x02, 0x6d, 0x79, 0x03, 0x77, 0x61, 0x70, 0x80, 0x21, 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00,
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0x00, 0x85, 0x00, 0x04, 0xd4, 0x81, 0x41, 0x0d, 0x85, 0x00, 0x04, 0xd4, 0x81, 0x41, 0x17, 0x86, 0x00, 0x07, 0x91, 0x53, 0x83, 0x00, 0x00, 0x00, 0x00, 0x87,
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0x00, 0x0c, 0x02, 0x23, 0x62, 0x1f, 0x93, 0x96, 0x58, 0x58, 0x74, 0xfb, 0xff, 0xff, 0x97, 0x00, 0x01, 0x02, 0x9a, 0x00, 0x08, 0x53, 0x89, 0x01, 0x10, 0x58,
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0x98, 0x53, 0x21};
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TEST(GTP1_UTILS, C_GET)
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{
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const struct gtp1_hdr *hdr = (struct gtp1_hdr *)gtp1_c;
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// GTP Fixed Header Length + GTPv1-C Optional Headers + GTPv1-C Extension Headers
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EXPECT_TRUE(calc_gtp1_hdr_len((const char *)gtp1_c, sizeof(gtp1_c)) == 12);
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EXPECT_TRUE(gtp1_hdr_get_flags(hdr) == 0x32);
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EXPECT_TRUE(gtp1_hdr_get_version(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_proto(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_reserved(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_ext_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_seq_flag(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_npdu_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_msg_type(hdr) == 0x10);
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EXPECT_TRUE(gtp1_hdr_get_msg_len(hdr) == 151);
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EXPECT_TRUE(gtp1_hdr_get_teid(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_seq(hdr) == 254);
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EXPECT_TRUE(gtp1_hdr_get_npdu(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_next_ext_type(hdr) == 0);
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char buff[1024] = {0};
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gtp1_hdr_to_str(hdr, buff, sizeof(buff));
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printf("%s\n", buff);
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}
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TEST(GTP1_UTILS, C_SET)
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{
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char buff[12] = {0};
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struct gtp1_hdr *hdr = (struct gtp1_hdr *)buff;
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gtp1_hdr_set_flags(hdr, 0x32);
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gtp1_hdr_set_version(hdr, 1);
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gtp1_hdr_set_proto(hdr, 1);
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gtp1_hdr_set_reserved(hdr, 0);
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gtp1_hdr_set_ext_flag(hdr, 0);
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gtp1_hdr_set_seq_flag(hdr, 1);
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gtp1_hdr_set_npdu_flag(hdr, 0);
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gtp1_hdr_set_msg_type(hdr, 0x10);
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gtp1_hdr_set_msg_len(hdr, 151);
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gtp1_hdr_set_teid(hdr, 0);
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gtp1_hdr_set_seq(hdr, 254);
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gtp1_hdr_set_npdu(hdr, 0);
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gtp1_hdr_set_next_ext_type(hdr, 0);
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EXPECT_TRUE(memcmp(buff, gtp1_c, 12) == 0);
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}
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/*
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* User Datagram Protocol, Src Port: 2152, Dst Port: 2152
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* GPRS Tunneling Protocol
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* Flags: 0x30
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* 001. .... = Version: GTP release 99 version (1)
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* ...1 .... = Protocol type: GTP (1)
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* .... 0... = Reserved: 0
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* .... .0.. = Is Next Extension Header present?: No
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* .... ..0. = Is Sequence Number present?: No
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* .... ...0 = Is N-PDU number present?: No
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* Message Type: T-PDU (0xff)
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* Length: 40
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* TEID: 0x001e849a (2000026)
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*/
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unsigned char gtp1_u1[] = {
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0x30, 0xff, 0x00, 0x28, 0x00, 0x1e, 0x84, 0x9a};
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TEST(GTP1_UTILS, U1_GET)
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{
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const struct gtp1_hdr *hdr = (struct gtp1_hdr *)gtp1_u1;
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// GTP Fixed Header Length + GTPv1-U Optional Headers + GTPv1-U Extension Headers
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EXPECT_TRUE(calc_gtp1_hdr_len((const char *)gtp1_u1, sizeof(gtp1_u1)) == 8);
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EXPECT_TRUE(gtp1_hdr_get_flags(hdr) == 0x30);
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EXPECT_TRUE(gtp1_hdr_get_version(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_proto(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_reserved(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_ext_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_seq_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_npdu_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_msg_type(hdr) == 0xff);
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EXPECT_TRUE(gtp1_hdr_get_msg_len(hdr) == 40);
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EXPECT_TRUE(gtp1_hdr_get_teid(hdr) == 2000026);
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EXPECT_TRUE(gtp1_hdr_get_seq(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_npdu(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_next_ext_type(hdr) == 0);
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char buff[1024] = {0};
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gtp1_hdr_to_str(hdr, buff, sizeof(buff));
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printf("%s\n", buff);
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}
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TEST(GTP1_UTILS, U1_SET)
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{
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char buff[8] = {0};
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struct gtp1_hdr *hdr = (struct gtp1_hdr *)buff;
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gtp1_hdr_set_flags(hdr, 0x30);
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gtp1_hdr_set_version(hdr, 1);
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gtp1_hdr_set_proto(hdr, 1);
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gtp1_hdr_set_reserved(hdr, 0);
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gtp1_hdr_set_ext_flag(hdr, 0);
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gtp1_hdr_set_seq_flag(hdr, 0);
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gtp1_hdr_set_npdu_flag(hdr, 0);
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gtp1_hdr_set_msg_type(hdr, 0xff);
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gtp1_hdr_set_msg_len(hdr, 40);
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gtp1_hdr_set_teid(hdr, 2000026);
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gtp1_hdr_set_seq(hdr, 0);
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gtp1_hdr_set_npdu(hdr, 0);
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gtp1_hdr_set_next_ext_type(hdr, 0);
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EXPECT_TRUE(memcmp(buff, gtp1_u1, 8) == 0);
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}
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/*
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* User Datagram Protocol, Src Port: 2152, Dst Port: 2152
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* GPRS Tunneling Protocol
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* Flags: 0x34
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* 001. .... = Version: GTP release 99 version (1)
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* ...1 .... = Protocol type: GTP (1)
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* .... 0... = Reserved: 0
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* .... .1.. = Is Next Extension Header present?: Yes
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* .... ..0. = Is Sequence Number present?: No
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* .... ...0 = Is N-PDU number present?: No
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* Message Type: T-PDU (0xff)
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* Length: 445
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* TEID: 0x01447453 (21263443)
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* Next extension header type: PDU Session container (0x85)
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* Extension header (PDU Session container)
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* Extension Header Length: 1
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* PDU Session Container
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* 0001 .... = PDU Type: UL PDU SESSION INFORMATION (1)
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* .... 0000 = Spare: 0x0
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* 00.. .... = Spare: 0x0
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* ..00 0001 = QoS Flow Identifier (QFI): 1
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* Next extension header type: No more extension headers (0x00)
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*/
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unsigned char gtp1_u2[] = {
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0x34, 0xff, 0x01, 0xbd, 0x01, 0x44, 0x74, 0x53, 0x00, 0x00, 0x00, 0x85, 0x01, 0x10, 0x01, 0x00};
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TEST(GTP1_UTILS, U2_GET)
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{
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const struct gtp1_hdr *hdr = (struct gtp1_hdr *)gtp1_u2;
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// GTP Fixed Header Length + GTPv1-U Optional Headers + GTPv1-U Extension Headers
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EXPECT_TRUE(calc_gtp1_hdr_len((const char *)gtp1_u2, sizeof(gtp1_u2)) == 16);
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EXPECT_TRUE(gtp1_hdr_get_flags(hdr) == 0x34);
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EXPECT_TRUE(gtp1_hdr_get_version(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_proto(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_reserved(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_ext_flag(hdr) == 1);
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EXPECT_TRUE(gtp1_hdr_get_seq_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_npdu_flag(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_msg_type(hdr) == 0xff);
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EXPECT_TRUE(gtp1_hdr_get_msg_len(hdr) == 445);
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EXPECT_TRUE(gtp1_hdr_get_teid(hdr) == 21263443);
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EXPECT_TRUE(gtp1_hdr_get_seq(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_npdu(hdr) == 0);
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EXPECT_TRUE(gtp1_hdr_get_next_ext_type(hdr) == 0x85);
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char buff[1024] = {0};
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gtp1_hdr_to_str(hdr, buff, sizeof(buff));
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printf("%s\n", buff);
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}
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TEST(GTP1_UTILS, U2_SET)
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{
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char buff[16] = {0};
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struct gtp1_hdr *hdr = (struct gtp1_hdr *)buff;
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gtp1_hdr_set_flags(hdr, 0x34);
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gtp1_hdr_set_version(hdr, 1);
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gtp1_hdr_set_proto(hdr, 1);
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gtp1_hdr_set_reserved(hdr, 0);
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gtp1_hdr_set_ext_flag(hdr, 1);
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gtp1_hdr_set_seq_flag(hdr, 0);
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gtp1_hdr_set_npdu_flag(hdr, 0);
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gtp1_hdr_set_msg_type(hdr, 0xff);
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gtp1_hdr_set_msg_len(hdr, 445);
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gtp1_hdr_set_teid(hdr, 21263443);
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gtp1_hdr_set_seq(hdr, 0);
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gtp1_hdr_set_npdu(hdr, 0);
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gtp1_hdr_set_next_ext_type(hdr, 0x85);
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// not compare the extension header
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EXPECT_TRUE(memcmp(buff, gtp1_u2, 12) == 0);
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}
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int main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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