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subsurface/core/import-divinglog.c
Berthold Stoeger 794066b236 Cylinders: access cylinders with get_cylinder() 
Instead of accessing the cylinder table directly, use the get_cylinder()
function. This gives less unwieldy expressions. But more importantly,
the function does bound checking. This is crucial for now as the code
hasn't be properly audited since the change to arbitrarily sized
cylinder tables. Accesses of invalid cylinder indexes may lead to
silent data-corruption that is sometimes not even noticed by
valgrind. Returning NULL instead of an invalid pointer will make
debugging much easier.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-11-09 19:19:04 +01:00

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// SPDX-License-Identifier: GPL-2.0
#ifdef __clang__
// Clang has a bug on zero-initialization of C structs.
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
#endif
#include "ssrf.h"
#include "divesite.h"
#include "subsurface-string.h"
#include "parse.h"
#include "divelist.h"
#include "device.h"
#include "membuffer.h"
#include "gettext.h"
static int divinglog_cylinder(void *param, int columns, char **data, char **column)
{
UNUSED(columns);
UNUSED(column);
struct parser_state *state = (struct parser_state *)param;
cylinder_t *cyl;
short dbl = 1;
//char get_cylinder_template[] = "select TankID,TankSize,PresS,PresE,PresW,O2,He,DblTank from Tank where LogID = %d";
if (data[7] && atoi(data[7]) > 0)
dbl = 2;
cyl = cylinder_start(state);
/*
* Assuming that we have to double the cylinder size, if double
* is set
*/
if (data[1] && atoi(data[1]) > 0)
cyl->type.size.mliter = atol(data[1]) * 1000 * dbl;
if (data[2] && atoi(data[2]) > 0)
cyl->start.mbar = atol(data[2]) * 1000;
if (data[3] && atoi(data[3]) > 0)
cyl->end.mbar = atol(data[3]) * 1000;
if (data[4] && atoi(data[4]) > 0)
cyl->type.workingpressure.mbar = atol(data[4]) * 1000;
if (data[5] && atoi(data[5]) > 0)
cyl->gasmix.o2.permille = atol(data[5]) * 10;
if (data[6] && atoi(data[6]) > 0)
cyl->gasmix.he.permille = atol(data[6]) * 10;
cylinder_end(state);
return 0;
}
static int divinglog_profile(void *param, int columns, char **data, char **column)
{
UNUSED(columns);
UNUSED(column);
struct parser_state *state = (struct parser_state *)param;
int sinterval = 0;
unsigned long time;
int len1, len2, len3, len4, len5;
char *ptr1, *ptr2, *ptr3, *ptr4, *ptr5;
short oldcyl = -1;
/* We do not have samples */
if (!data[1])
return 0;
if (data[0])
sinterval = atoi(data[0]);
/*
* Profile
*
* DDDDDCRASWEE
* D: Depth (in meter with two decimals)
* C: Deco (1 = yes, 0 = no)
* R: RBT (Remaining Bottom Time warning)
* A: Ascent warning
* S: Decostop ignored
* W: Work warning
* E: Extra info (different for every computer)
*
* Example: 004500010000
* 4.5 m, no deco, no RBT warning, ascanding too fast, no decostop ignored, no work, no extra info
*
*
* Profile2
*
* TTTFFFFIRRR
*
* T: Temperature (in °C with one decimal)
* F: Tank pressure 1 (in bar with one decimal)
* I: Tank ID (0, 1, 2 ... 9)
* R: RBT (in min)
*
* Example: 25518051099
* 25.5 °C, 180.5 bar, Tank 1, 99 min RBT
*
*/
ptr1 = data[1];
ptr2 = data[2];
ptr3 = data[3];
ptr4 = data[4];
ptr5 = data[5];
len1 = strlen(ptr1);
len2 = ptr2 ? strlen(ptr2) : 0;
len3 = ptr3 ? strlen(ptr3) : 0;
len4 = ptr4 ? strlen(ptr4) : 0;
len5 = ptr5 ? strlen(ptr5) : 0;
time = 0;
while (len1 >= 12) {
sample_start(state);
state->cur_sample->time.seconds = time;
state->cur_sample->in_deco = ptr1[5] - '0' ? true : false;
state->cur_sample->depth.mm = atoi_n(ptr1, 5) * 10;
if (len2 >= 11) {
int temp = atoi_n(ptr2, 3);
int pressure = atoi_n(ptr2+3, 4);
int tank = atoi_n(ptr2+7, 1);
int rbt = atoi_n(ptr2+8, 3) * 60;
state->cur_sample->temperature.mkelvin = C_to_mkelvin(temp / 10.0f);
state->cur_sample->pressure[0].mbar = pressure * 100;
state->cur_sample->rbt.seconds = rbt;
if (oldcyl != tank && tank >= 0 && tank < state->cur_dive->cylinders.nr) {
struct gasmix mix = get_cylinder(state->cur_dive, tank)->gasmix;
int o2 = get_o2(mix);
int he = get_he(mix);
event_start(state);
state->cur_event.time.seconds = time;
strcpy(state->cur_event.name, "gaschange");
o2 = (o2 + 5) / 10;
he = (he + 5) / 10;
state->cur_event.value = o2 + (he << 16);
event_end(state);
oldcyl = tank;
}
ptr2 += 11; len2 -= 11;
}
if (len3 >= 14) {
state->cur_sample->heartbeat = atoi_n(ptr3+8, 3);
ptr3 += 14; len3 -= 14;
}
if (len4 >= 9) {
/*
* Following value is NDL when not in deco, and
* either 0 or TTS when in deco.
*/
int val = atoi_n(ptr4, 3);
if (state->cur_sample->in_deco) {
state->cur_sample->ndl.seconds = 0;
if (val)
state->cur_sample->tts.seconds = val * 60;
} else {
state->cur_sample->ndl.seconds = val * 60;
}
state->cur_sample->stoptime.seconds = atoi_n(ptr4+3, 3) * 60;
state->cur_sample->stopdepth.mm = atoi_n(ptr4+6, 3) * 1000;
ptr4 += 9; len4 -= 9;
}
/*
* AAABBBCCCOOOONNNNSS
*
* A = ppO2 cell 1 (measured)
* B = ppO2 cell 2 (measured)
* C = ppO2 cell 3 (measured)
* O = OTU
* N = CNS
* S = Setpoint
*
* Example: 1121131141548026411
* 1.12 bar, 1.13 bar, 1.14 bar, OTU = 154.8, CNS = 26.4, Setpoint = 1.1
*/
if (len5 >= 19) {
int ppo2_1 = atoi_n(ptr5 + 0, 3);
int ppo2_2 = atoi_n(ptr5 + 3, 3);
int ppo2_3 = atoi_n(ptr5 + 6, 3);
int otu = atoi_n(ptr5 + 9, 4);
UNUSED(otu); // we seem to not store this? Do we understand its format?
int cns = atoi_n(ptr5 + 13, 4);
int setpoint = atoi_n(ptr5 + 17, 2);
if (ppo2_1 > 0)
state->cur_sample->o2sensor[0].mbar = ppo2_1 * 100;
if (ppo2_2 > 0)
state->cur_sample->o2sensor[1].mbar = ppo2_2 * 100;
if (ppo2_3 > 0)
state->cur_sample->o2sensor[2].mbar = ppo2_3 * 100;
if (cns > 0)
state->cur_sample->cns = lrintf(cns / 10.0f);
if (setpoint > 0)
state->cur_sample->setpoint.mbar = setpoint * 100;
ptr5 += 19; len5 -= 19;
}
/*
* Count the number of o2 sensors
*/
if (!state->cur_dive->dc.no_o2sensors && (state->cur_sample->o2sensor[0].mbar || state->cur_sample->o2sensor[1].mbar || state->cur_sample->o2sensor[2].mbar)) {
state->cur_dive->dc.no_o2sensors = state->cur_sample->o2sensor[0].mbar ? 1 : 0 +
state->cur_sample->o2sensor[1].mbar ? 1 : 0 +
state->cur_sample->o2sensor[2].mbar ? 1 : 0;
}
sample_end(state);
/* Remaining bottom time warning */
if (ptr1[6] - '0') {
event_start(state);
state->cur_event.time.seconds = time;
strcpy(state->cur_event.name, "rbt");
event_end(state);
}
/* Ascent warning */
if (ptr1[7] - '0') {
event_start(state);
state->cur_event.time.seconds = time;
strcpy(state->cur_event.name, "ascent");
event_end(state);
}
/* Deco stop ignored */
if (ptr1[8] - '0') {
event_start(state);
state->cur_event.time.seconds = time;
strcpy(state->cur_event.name, "violation");
event_end(state);
}
/* Workload warning */
if (ptr1[9] - '0') {
event_start(state);
state->cur_event.time.seconds = time;
strcpy(state->cur_event.name, "workload");
event_end(state);
}
ptr1 += 12; len1 -= 12;
time += sinterval;
}
return 0;
}
static int divinglog_dive(void *param, int columns, char **data, char **column)
{
UNUSED(columns);
UNUSED(column);
int retval = 0, diveid;
struct parser_state *state = (struct parser_state *)param;
sqlite3 *handle = state->sql_handle;
char get_profile_template[] = "select ProfileInt,Profile,Profile2,Profile3,Profile4,Profile5 from Logbook where ID = %d";
char get_cylinder0_template[] = "select 0,TankSize,PresS,PresE,PresW,O2,He,DblTank from Logbook where ID = %d";
char get_cylinder_template[] = "select TankID,TankSize,PresS,PresE,PresW,O2,He,DblTank from Tank where LogID = %d order by TankID";
char get_buffer[1024];
dive_start(state);
diveid = atoi(data[13]);
state->cur_dive->number = atoi(data[0]);
state->cur_dive->when = (time_t)(atol(data[1]));
if (data[2])
add_dive_to_dive_site(state->cur_dive, find_or_create_dive_site_with_name(data[2], state->sites));
if (data[3])
utf8_string(data[3], &state->cur_dive->buddy);
if (data[4])
utf8_string(data[4], &state->cur_dive->notes);
if (data[5])
state->cur_dive->dc.maxdepth.mm = lrint(strtod_flags(data[5], NULL, 0) * 1000);
if (data[6])
state->cur_dive->dc.duration.seconds = atoi(data[6]) * 60;
if (data[7])
utf8_string(data[7], &state->cur_dive->divemaster);
if (data[8])
state->cur_dive->airtemp.mkelvin = C_to_mkelvin(atol(data[8]));
if (data[9])
state->cur_dive->watertemp.mkelvin = C_to_mkelvin(atol(data[9]));
if (data[10]) {
weightsystem_t ws = { { atol(data[10]) * 1000 }, translate("gettextFromC", "unknown") };
add_cloned_weightsystem(&state->cur_dive->weightsystems, ws);
}
if (data[11])
state->cur_dive->suit = strdup(data[11]);
/* Divinglog has following visibility options: good, medium, bad */
if (data[14]) {
switch(data[14][0]) {
case '0':
break;
case '1':
state->cur_dive->visibility = 5;
break;
case '2':
state->cur_dive->visibility = 3;
break;
case '3':
state->cur_dive->visibility = 1;
break;
default:
break;
}
}
settings_start(state);
dc_settings_start(state);
if (data[12]) {
state->cur_dive->dc.model = strdup(data[12]);
} else {
state->cur_settings.dc.model = strdup("Divinglog import");
}
snprintf(get_buffer, sizeof(get_buffer) - 1, get_cylinder0_template, diveid);
retval = sqlite3_exec(handle, get_buffer, &divinglog_cylinder, state, NULL);
if (retval != SQLITE_OK) {
fprintf(stderr, "%s", "Database query divinglog_cylinder0 failed.\n");
return 1;
}
snprintf(get_buffer, sizeof(get_buffer) - 1, get_cylinder_template, diveid);
retval = sqlite3_exec(handle, get_buffer, &divinglog_cylinder, state, NULL);
if (retval != SQLITE_OK) {
fprintf(stderr, "%s", "Database query divinglog_cylinder failed.\n");
return 1;
}
if (data[15]) {
switch (data[15][0]) {
/* OC */
case '0':
break;
case '1':
state->cur_dive->dc.divemode = PSCR;
break;
case '2':
state->cur_dive->dc.divemode = CCR;
break;
}
}
dc_settings_end(state);
settings_end(state);
if (data[12]) {
state->cur_dive->dc.model = strdup(data[12]);
} else {
state->cur_dive->dc.model = strdup("Divinglog import");
}
snprintf(get_buffer, sizeof(get_buffer) - 1, get_profile_template, diveid);
retval = sqlite3_exec(handle, get_buffer, &divinglog_profile, state, NULL);
if (retval != SQLITE_OK) {
fprintf(stderr, "%s", "Database query divinglog_profile failed.\n");
return 1;
}
dive_end(state);
return SQLITE_OK;
}
int parse_divinglog_buffer(sqlite3 *handle, const char *url, const char *buffer, int size,
struct dive_table *table, struct trip_table *trips, struct dive_site_table *sites)
{
UNUSED(buffer);
UNUSED(size);
int retval;
struct parser_state state;
init_parser_state(&state);
state.target_table = table;
state.trips = trips;
state.sites = sites;
state.sql_handle = handle;
char get_dives[] = "select Number,strftime('%s',Divedate || ' ' || ifnull(Entrytime,'00:00')),Country || ' - ' || City || ' - ' || Place,Buddy,Comments,Depth,Divetime,Divemaster,Airtemp,Watertemp,Weight,Divesuit,Computer,ID,Visibility,SupplyType from Logbook where UUID not in (select UUID from DeletedRecords)";
retval = sqlite3_exec(handle, get_dives, &divinglog_dive, &state, NULL);
free_parser_state(&state);
if (retval != SQLITE_OK) {
fprintf(stderr, "Database query failed '%s'.\n", url);
return 1;
}
return 0;
}
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