static int line_end_callback(int count, int key) {
reset_indent();
int end = line_end(rl_point);
int flush_right = rl_point == end;
rl_point = flush_right ? rl_end : end;
return 0;
}
static int process_escape(t_tokenline *tl)
{
if (tl->escape_len == 4) {
if (!strncmp(tl->escape, "\x1b\x5b\x33\x7e", 4)) {
/* Delete */
line_delete_char(tl);
} else if (!strncmp(tl->escape, "\x1b\x5b\x31\x7e", 4)) {
/* Home */
line_home(tl);
} else if (!strncmp(tl->escape, "\x1b\x5b\x34\x7e", 4)) {
/* End */
line_end(tl);
}
} else if (tl->escape_len == 3) {
if (!strncmp(tl->escape, "\x1b\x5b\x41", 3)) {
/* Up arrow */
history_up(tl);
} else if (!strncmp(tl->escape, "\x1b\x5b\x42", 3)) {
/* Down arrow */
history_down(tl);
} else if (!strncmp(tl->escape, "\x1b\x5b\x44", 3)) {
/* Left arrow */
if (tl->pos > 0) {
tl->pos--;
tl->print(tl->user, "\x1b\x5b\x31\x44");
}
} else if (!strncmp(tl->escape, "\x1b\x5b\x43", 3)) {
/* Right arrow */
if (tl->pos < tl->buf_len) {
tl->pos++;
tl->print(tl->user, "\x1b\x5b\x31\x43");
}
} else if (!strncmp(tl->escape, "\x1b\x4f\x48", 3)) {
/* Home */
line_home(tl);
} else if (!strncmp(tl->escape, "\x1b\x4f\x46", 3)) {
/* End */
line_end(tl);
} else
return FALSE;
} else
return FALSE;
return TRUE;
}
static int down_callback(int count, int key) {
reset_indent();
int j = line_end(rl_point);
if (j < rl_end) {
int i = line_start(rl_point);
if (i == 0) rl_point += prompt_length;
rl_point += j - i + 1;
int k = line_end(j+1);
if (rl_point > k) rl_point = k;
return 0;
} else {
if (last_hist_offset >= 0) {
history_set_pos(last_hist_offset);
last_hist_offset = -1;
}
return rl_get_next_history(count, key);
}
}
static int line_kill_callback(int count, int key) {
reset_indent();
int end = line_end(rl_point);
int flush_right = rl_point == end;
int kill = flush_right ? end + prompt_length + 1 : end;
if (kill > rl_end) kill = rl_end;
rl_kill_text(rl_point, kill);
return 0;
}
BOOST_AUTO_TEST_CASE_TEMPLATE(test_nonstandard, Range, checker_test_types) {
request_checker checker(MAX_REQUEST_SIZE);
is_line_end<char> line_end;
Range range = as<Range>("GET / HTTP/1.1\nHost: xiva.yandex.net\n\n");
std::pair<typename Range::iterator, bool> result = checker(range.begin(), range.end());
BOOST_CHECK(line_end(*result.first));
BOOST_CHECK(result.second);
}
static int up_callback(int count, int key) {
reset_indent();
int i = line_start(rl_point);
if (i > 0) {
int j = line_start(i-1);
if (j == 0) rl_point -= prompt_length;
rl_point += j - i;
if (rl_point >= i) rl_point = i - 1;
} else {
last_hist_offset = -1;
rl_get_previous_history(count, key);
rl_point = line_end(0);
}
return 0;
}
/*
* parse the first line (by first_line_fn) and headers
* return -1 if the message is too long or non-standard
*/
static int
parse_general_http(struct parser *req, int (*first_line_fn)(struct parser *p))
{
enum parse_state p_state = REQUEST_LINE;
while (1) {
if (req->parse_start >= req->parse_end) {
int ret = try_read(req, (req->recv_buf_end - req->parse_end));
if (ret == 0 || ret == -1) { /* 0 means client closed */
syslog(LOG_INFO, "early close");
return -1;
}
}
char *p = line_end(req);
if (!p) {
syslog(LOG_CRIT, "The headers are too long to handle");
return -1;
}
switch (p_state) {
case REQUEST_LINE:
if (first_line_fn(req) == -1) {
syslog(LOG_CRIT, "The 1st line is bad");
return -1;
}
p_state = HEADER_LINES;
break;
case HEADER_LINES:
if (p == req->parse_start) { /* meeting 2 CRLF: end of headers */
req->parse_start += 2;
return 0;
}
if (parse_header_line(req) == -1) {
syslog(LOG_CRIT, "The header line is bad");
return -1;
}
break;
}
}
}
