core: load and save fingerprint to cloud storage

Very similar structure to the XML format. Raw data is again saved as a
hex string (which implicitly provides us with its length). The rest of
components are in a more human readable format.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2021-10-30 18:01:14 -07:00
parent 2b1db9da82
commit 31e688ec00
2 changed files with 68 additions and 1 deletions

View file

@ -1016,6 +1016,59 @@ static void parse_settings_divecomputerid(char *line, struct membuffer *str, str
create_device_node(state->devices, id.model, id.serial, id.nickname);
}
struct fingerprint_helper {
uint32_t model;
uint32_t serial;
uint32_t fdeviceid;
uint32_t fdiveid;
const char *hex_data;
};
static void parse_fingerprint_keyvalue(void *_fph, const char *key, const char *value)
{
struct fingerprint_helper *fph = _fph;
if (!strcmp(key, "model")) {
fph->model = get_hex(value);
return;
}
if (!strcmp(key, "serial")) {
fph->serial = get_hex(value);
return;
}
if (!strcmp(key, "deviceid")) {
fph->fdeviceid = get_hex(value);
return;
}
if (!strcmp(key, "diveid")) {
fph->fdiveid = get_hex(value);
return;
}
if (!strcmp(key, "data")) {
fph->hex_data = value;
return;
}
report_error("Unknown fingerprint key/value pair (%s/%s)", key, value);
}
static void parse_settings_fingerprint(char *line, struct membuffer *str, struct git_parser_state *state)
{
struct fingerprint_helper fph = { 0, 0, 0, 0 };
for (;;) {
char c;
while (isspace(c = *line))
line++;
if (!c)
break;
line = parse_keyvalue_entry(parse_fingerprint_keyvalue, &fph, line, str);
}
if (verbose > 1)
SSRF_INFO("fingerprint %08x %08x %08x %08x %s\n", fph.model, fph.serial, fph.fdeviceid, fph.fdiveid, fph.hex_data);
create_fingerprint_node_from_hex(&fingerprint_table, fph.model, fph.serial,
fph.hex_data, fph.fdeviceid, fph.fdiveid);
}
static void parse_picture_filename(char *line, struct membuffer *str, struct git_parser_state *state)
{
UNUSED(line);
@ -1098,7 +1151,7 @@ static void trip_parser(char *line, struct membuffer *str, struct git_parser_sta
static struct keyword_action settings_action[] = {
#undef D
#define D(x) { #x, parse_settings_ ## x }
D(autogroup), D(divecomputerid), D(prefs), D(subsurface), D(units), D(userid), D(version)
D(autogroup), D(divecomputerid), D(fingerprint), D(prefs), D(subsurface), D(units), D(userid), D(version)
};
static void settings_parser(char *line, struct membuffer *str, struct git_parser_state *state)

View file

@ -869,6 +869,16 @@ static void save_one_device(struct membuffer *b, const struct device *d)
put_string(b, "\n");
}
static void save_one_fingerprint(struct membuffer *b, unsigned int i)
{
put_format(b, "fingerprint model=%08x serial=%08x deviceid=%08x diveid=%08x data=\"%s\"\n",
fp_get_model(&fingerprint_table, i),
fp_get_serial(&fingerprint_table, i),
fp_get_deviceid(&fingerprint_table, i),
fp_get_diveid(&fingerprint_table, i),
fp_get_data(&fingerprint_table, i));
}
static void save_settings(git_repository *repo, struct dir *tree)
{
struct membuffer b = { 0 };
@ -876,6 +886,10 @@ static void save_settings(git_repository *repo, struct dir *tree)
put_format(&b, "version %d\n", DATAFORMAT_VERSION);
for (int i = 0; i < nr_devices(&device_table); i++)
save_one_device(&b, get_device(&device_table, i));
/* save the fingerprint data */
for (unsigned int i = 0; i < nr_fingerprints(&fingerprint_table); i++)
save_one_fingerprint(&b, i);
cond_put_format(autogroup, &b, "autogroup\n");
save_units(&b);
if (prefs.tankbar)