static void test_split_pair(void) {
_cleanup_free_ char *a = NULL, *b = NULL;
assert_se(split_pair("", "", &a, &b) == -EINVAL);
assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
assert_se(split_pair("", "=", &a, &b) == -EINVAL);
assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
assert_se(streq(a, "foo"));
assert_se(streq(b, "bar"));
free(a);
free(b);
assert_se(split_pair("==", "==", &a, &b) >= 0);
assert_se(streq(a, ""));
assert_se(streq(b, ""));
free(a);
free(b);
assert_se(split_pair("===", "==", &a, &b) >= 0);
assert_se(streq(a, ""));
assert_se(streq(b, "="));
}
int config_parse_dnssd_txt(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
_cleanup_(dnssd_txtdata_freep) DnssdTxtData *txt_data = NULL;
DnssdService *s = userdata;
DnsTxtItem *last = NULL;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(s);
if (isempty(rvalue)) {
/* Flush out collected items */
s->txt_data_items = dnssd_txtdata_free_all(s->txt_data_items);
return 0;
}
txt_data = new0(DnssdTxtData, 1);
if (!txt_data)
return log_oom();
for (;;) {
_cleanup_free_ char *word = NULL;
_cleanup_free_ char *key = NULL;
_cleanup_free_ char *value = NULL;
_cleanup_free_ void *decoded = NULL;
size_t length = 0;
DnsTxtItem *i;
int r;
r = extract_first_word(&rvalue, &word, NULL,
EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX);
if (r == 0)
break;
if (r == -ENOMEM)
return log_oom();
if (r < 0)
return log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
r = split_pair(word, "=", &key, &value);
if (r == -ENOMEM)
return log_oom();
if (r == -EINVAL)
key = TAKE_PTR(word);
if (!ascii_is_valid(key)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid syntax, ignoring: %s", key);
return -EINVAL;
}
switch (ltype) {
case DNS_TXT_ITEM_DATA:
if (value) {
r = unbase64mem(value, strlen(value), &decoded, &length);
if (r == -ENOMEM)
return log_oom();
if (r < 0)
return log_syntax(unit, LOG_ERR, filename, line, r,
"Invalid base64 encoding, ignoring: %s", value);
}
r = dnssd_txt_item_new_from_data(key, decoded, length, &i);
if (r < 0)
return log_oom();
break;
case DNS_TXT_ITEM_TEXT:
r = dnssd_txt_item_new_from_string(key, value, &i);
if (r < 0)
return log_oom();
break;
default:
assert_not_reached("Unknown type of Txt config");
}
LIST_INSERT_AFTER(items, txt_data->txt, last, i);
last = i;
}
if (!LIST_IS_EMPTY(txt_data->txt)) {
LIST_PREPEND(items, s->txt_data_items, txt_data);
txt_data = NULL;
}
return 0;
}
