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/*
* This file is Copyright (c) 2010 by the GPSD project
* BSD terms apply: see the file COPYING in the distribution root for details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <sys/types.h>
#include <fcntl.h>
#ifndef S_SPLINT_S
#include <unistd.h>
#endif /* S_SPLINT_S */
#include "gpsd.h"
static int verbose = 0;
void gpsd_report(int errlevel, const char *fmt, ...)
/* assemble command in printf(3) style, use stderr or syslog */
{
if (errlevel <= verbose) {
char buf[BUFSIZ];
va_list ap;
buf[0] = '\0';
va_start(ap, fmt);
(void)vsnprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), fmt,
ap);
va_end(ap);
(void)fputs(buf, stderr);
}
}
struct map
{
char *legend;
char test[MAX_PACKET_LENGTH + 1];
size_t testlen;
int garbage_offset;
int type;
};
/* *INDENT-OFF* */
/*@ -initallelements +charint -usedef @*/
static struct map singletests[] = {
/* NMEA tests */
{
.legend = "NMEA packet with checksum (1)",
.test = "$GPVTG,308.74,T,,M,0.00,N,0.0,K*68\r\n",
.testlen = 36,
.garbage_offset = 0,
NMEA_PACKET,
},
{
.legend = "NMEA packet with checksum (2)",
.test = "$GPGGA,110534.994,4002.1425,N,07531.2585,W,0,00,50.0,172.7,M,-33.8,M,0.0,0000*7A\r\n",
.testlen = 82,
.garbage_offset = 0,
.type = NMEA_PACKET,
},
{
.legend = "NMEA packet with checksum and 4 chars of leading garbage",
.test = "\xff\xbf\x00\xbf$GPVTG,308.74,T,,M,0.00,N,0.0,K*68\r\n",
.testlen = 40,
.garbage_offset = 4,
.type = NMEA_PACKET,
},
{
.legend = "NMEA packet without checksum",
.test = "$PSRF105,1\r\n",
.testlen = 12,
.garbage_offset = 0,
.type = NMEA_PACKET,
},
{
.legend = "NMEA packet with wrong checksum",
.test = "$GPVTG,308.74,T,,M,0.00,N,0.0,K*28\r\n",
.testlen = 36,
.garbage_offset = 0,
.type = BAD_PACKET,
},
/* SiRF tests */
{
.legend = "SiRF WAAS version ID",
.test = {
0xA0, 0xA2, 0x00, 0x15,
0x06, 0x06, 0x31, 0x2E, 0x32, 0x2E, 0x30, 0x44,
0x4B, 0x49, 0x54, 0x31, 0x31, 0x39, 0x20, 0x53,
0x4D, 0x00, 0x00, 0x00, 0x00,
0x03, 0x82, 0xB0, 0xB3},
.testlen = 29,
.garbage_offset = 0,
.type = SIRF_PACKET,
},
{
.legend = "SiRF WAAS version ID with 3 chars of leading garbage",
.test = {
0xff, 0x00, 0xff,
0xA0, 0xA2, 0x00, 0x15,
0x06, 0x06, 0x31, 0x2E, 0x32, 0x2E, 0x30, 0x44,
0x4B, 0x49, 0x54, 0x31, 0x31, 0x39, 0x20, 0x53,
0x4D, 0x00, 0x00, 0x00, 0x00,
0x03, 0x82, 0xB0, 0xB3},
.testlen = 32,
.garbage_offset = 3,
.type = SIRF_PACKET,
},
{
.legend = "SiRF WAAS version ID with wrong checksum",
.test = {
0xA0, 0xA2, 0x00, 0x15,
0x06, 0x06, 0x31, 0x2E, 0x32, 0x2E, 0x30, 0x44,
0x4B, 0x49, 0x54, 0x31, 0x31, 0x39, 0x20, 0x53,
0x4D, 0x00, 0x00, 0x00, 0x00,
0x03, 0x00, 0xB0, 0xB3},
.testlen = 29,
.garbage_offset = 0,
.type = BAD_PACKET,
},
{
.legend = "SiRF WAAS version ID with bad length",
.test = {
0xA0, 0xA2, 0xff, 0x15,
0x06, 0x06, 0x31, 0x2E, 0x32, 0x2E, 0x30, 0x44,
0x4B, 0x49, 0x54, 0x31, 0x31, 0x39, 0x20, 0x53,
0x4D, 0x00, 0x00, 0x00, 0x00,
0x03, 0x82, 0xB0, 0xB3},
.testlen = 29,
.garbage_offset = 0,
.type = BAD_PACKET,
},
/* Zodiac tests */
{
.legend = "Zodiac binary 1000 Geodetic Status Output Message",
.test = {
0xff, 0x81, 0xe8, 0x03, 0x31, 0x00, 0x00, 0x00, 0xe8, 0x79,
0x74, 0x0e, 0x00, 0x00, 0x24, 0x00, 0x24, 0x00, 0x04, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x03, 0x23, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1d, 0x00, 0x06, 0x00,
0xcd, 0x07, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x7b, 0x0d,
0x00, 0x00, 0x12, 0x6b, 0xa7, 0x04, 0x41, 0x75, 0x32, 0xf8,
0x03, 0x1f, 0x00, 0x00, 0xe6, 0xf2, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x11, 0xf6, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x40,
0xd9, 0x12, 0x90, 0xd0, 0x03, 0x00, 0x00, 0xa3, 0xe1, 0x11,
0x10, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa3, 0xe1, 0x11,
0x00, 0x00, 0x00, 0x00, 0xe0, 0x93, 0x04, 0x00, 0x04, 0xaa},
.testlen = 110,
.garbage_offset = 0,
.type = ZODIAC_PACKET,
},
/* EverMore tests */
{
.legend = "EverMore status packet 0x20",
.test = {
0x10, 0x02, 0x0D, 0x20, 0xE1, 0x00, 0x00, 0x00,
0x0A, 0x00, 0x1E, 0x00, 0x32, 0x00, 0x5b, 0x10,
0x03},
.testlen = 17,
.garbage_offset = 0,
.type = EVERMORE_PACKET,
},
{
.legend = "EverMore packet 0x04 with 0x10 0x10 sequence",
.test = {
0x10, 0x02, 0x0f, 0x04, 0x00, 0x00, 0x10, 0x10,
0xa7, 0x13, 0x03, 0x2c, 0x26, 0x24, 0x0a, 0x17,
0x00, 0x68, 0x10, 0x03},
.testlen = 20,
.garbage_offset = 0,
.type = EVERMORE_PACKET,
},
{
.legend = "EverMore packet 0x04 with 0x10 0x10 sequence, some noise before packet data",
.test = {
0x10, 0x03, 0xff, 0x10, 0x02, 0x0f, 0x04, 0x00,
0x00, 0x10, 0x10, 0xa7, 0x13, 0x03, 0x2c, 0x26,
0x24, 0x0a, 0x17, 0x00, 0x68, 0x10, 0x03},
.testlen = 23,
.garbage_offset = 3,
.type = EVERMORE_PACKET,
},
{
.legend = "EverMore packet 0x04, 0x10 and some other data at the beginning",
.test = {
0x10, 0x12, 0x10, 0x03, 0xff, 0x10, 0x02, 0x0f,
0x04, 0x00, 0x00, 0x10, 0x10, 0xa7, 0x13, 0x03,
0x2c, 0x26, 0x24, 0x0a, 0x17, 0x00, 0x68, 0x10,
0x03},
.testlen = 25,
.garbage_offset = 5,
.type = EVERMORE_PACKET,
},
{
.legend = "EverMore packet 0x04, 0x10 three times at the beginning",
.test = {
0x10, 0x10, 0x10,
0x10, 0x02, 0x0f, 0x04, 0x00, 0x00, 0x10, 0x10,
0xa7, 0x13, 0x03, 0x2c, 0x26, 0x24, 0x0a, 0x17,
0x00, 0x68, 0x10, 0x03},
.testlen = 23,
.garbage_offset = 3,
.type = EVERMORE_PACKET,
},
{
/* from page 4-3 of RTCM 10403.1 */
.legend = "RTCM104V3 type 1005 packet",
/*
* Reference Station Id = 2003
* GPS Service supported, but not GLONASS or Galileo
* ARP ECEF-X = 1114104.5999 meters
* ARP ECEF-Y = -4850729.7108 meters
* ARP ECEF-Z = 3975521.4643 meters
*/
.test = {
0xD3, 0x00, 0x13, 0x3E, 0xD7, 0xD3, 0x02, 0x02,
0x98, 0x0E, 0xDE, 0xEF, 0x34, 0xB4, 0xBD, 0x62,
0xAC, 0x09, 0x41, 0x98, 0x6F, 0x33, 0x36, 0x0B,
0x98,
},
.testlen = 25,
.garbage_offset = 0,
.type = RTCM3_PACKET,
},
{
.legend = "RTCM104V3 type 1005 packet with 4th byte garbled",
.test = {
0xD3, 0x00, 0x13, 0x3F, 0xD7, 0xD3, 0x02, 0x02,
0x98, 0x0E, 0xDE, 0xEF, 0x34, 0xB4, 0xBD, 0x62,
0xAC, 0x09, 0x41, 0x98, 0x6F, 0x33, 0x36, 0x0B,
0x98,
},
.testlen = 25,
.garbage_offset = 0,
.type = BAD_PACKET,
},
{
/* from page 3-71 of the RTCM 10403.1 */
.legend = "RTCM104V3 type 1029 packet",
.test = {
0xD3, 0x00, 0x27, 0x40, 0x50, 0x17, 0x00, 0x84,
0x73, 0x6E, 0x15, 0x1E, 0x55, 0x54, 0x46, 0x2D,
0x38, 0x20, 0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xBE,
0xD0, 0xB2, 0xD0, 0xB5, 0xD1, 0x80, 0xD0, 0xBA,
0xD0, 0xB0, 0x20, 0x77, 0xC3, 0xB6, 0x72, 0x74,
0x65, 0x72, 0xED, 0xA3, 0x3B
},
.testlen = 45,
.garbage_offset = 0,
.type = RTCM3_PACKET,
},
};
/*@ +initallelements -charint +usedef @*/
/* *INDENT-ON* */
/* *INDENT-OFF* */
/*@ -initallelements +charint -usedef @*/
static struct map runontests[] = {
/* NMEA tests */
{
.legend = "Double NMEA packet with checksum",
.test = "$GPVTG,308.74,T,,M,0.00,N,0.0,K*68\r\n$GPGGA,110534.994,4002.1425,N,07531.2585,W,0,00,50.0,172.7,M,-33.8,M,0.0,0000*7A\r\n",
.testlen = 118,
0,
NMEA_PACKET,
},
};
/*@ +initallelements -charint +usedef @*/
/* *INDENT-ON* */
static int packet_test(struct map *mp)
{
struct gps_packet_t packet;
int failure = 0;
packet_init(&packet);
/*@i@*/ memcpy(packet.inbufptr = packet.inbuffer, mp->test, mp->testlen);
packet.inbuflen = mp->testlen;
/*@ -compdef -uniondef -usedef -formatcode @*/
packet_parse(&packet);
if (packet.type != mp->type)
printf("%2zi: %s test FAILED (packet type %d wrong).\n",
mp - singletests + 1, mp->legend, packet.type);
else if (memcmp
(mp->test + mp->garbage_offset, packet.outbuffer,
packet.outbuflen)) {
printf("%2zi: %s test FAILED (data garbled).\n", mp - singletests + 1,
mp->legend);
++failure;
} else
printf("%2zi: %s test succeeded.\n", mp - singletests + 1,
mp->legend); /*@ +compdef +uniondef +usedef +formatcode @*/
return failure;
}
static void runon_test(struct map *mp)
{
struct gps_packet_t packet;
int nullfd = open("/dev/null", O_RDONLY);
ssize_t st;
packet_init(&packet);
/*@i@*/ memcpy(packet.inbufptr = packet.inbuffer, mp->test, mp->testlen);
packet.inbuflen = mp->testlen;
/*@ -compdef -uniondef -usedef -formatcode @*/
(void)fputs(mp->test, stdout);
do {
st = packet_get(nullfd, &packet);
//printf("packet_parse() returned %zd\n", st);
} while (st > 0);
/*@ +compdef +uniondef +usedef +formatcode @*/
}
int main(int argc, char *argv[])
{
struct map *mp;
int failcount = 0;
int option, singletest = 0;
verbose = 0;
while ((option = getopt(argc, argv, "e:t:v:")) != -1) {
switch (option) {
case 'e':
mp = singletests + atoi(optarg) - 1;
(void)fwrite(mp->test, mp->testlen, sizeof(char), stdout);
(void)fflush(stdout);
exit(0);
case 't':
singletest = atoi(optarg);
break;
case 'v':
verbose = atoi(optarg);
break;
}
}
if (singletest)
failcount += packet_test(singletests + singletest - 1);
else {
(void)fputs("=== Packet identification tests ===\n", stdout);
for (mp = singletests;
mp < singletests + sizeof(singletests) / sizeof(singletests[0]);
mp++)
failcount += packet_test(mp);
(void)fputs("=== EOF with buffer nonempty test ===\n", stdout);
runon_test(&runontests[0]);
}
exit(failcount > 0 ? 1 : 0);
}
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