static const char* parse_response(const char* buf, const char* buf_end,
int* minor_version, int* status,
const char** msg, size_t* msg_len,
struct phr_header* headers,
size_t* num_headers, size_t max_headers,
int* ret)
{
/* parse "HTTP/1.x" */
if ((buf = parse_http_version(buf, buf_end, minor_version, ret)) == NULL) {
return NULL;
}
/* skip space */
if (*buf++ != ' ') {
*ret = -1;
return NULL;
}
/* parse status code */
if ((buf = parse_int(buf, buf_end, status, ret)) == NULL) {
return NULL;
}
/* skip space */
if (*buf++ != ' ') {
*ret = -1;
return NULL;
}
/* get message */
if ((buf = get_token_to_eol(buf, buf_end, msg, msg_len, ret)) == NULL) {
return NULL;
}
return parse_headers(buf, buf_end, headers, num_headers, max_headers, ret);
}
static const char *parse_headers(const char *buf, const char *buf_end, struct phr_header *headers, size_t *num_headers,
size_t max_headers, int *ret)
{
for (;; ++*num_headers) {
CHECK_EOF();
if (*buf == '\015') {
++buf;
EXPECT_CHAR('\012');
break;
} else if (*buf == '\012') {
++buf;
break;
}
if (*num_headers == max_headers) {
*ret = -1;
return NULL;
}
if (!(*num_headers != 0 && (*buf == ' ' || *buf == '\t'))) {
if (!token_char_map[(unsigned char)*buf]) {
*ret = -1;
return NULL;
}
/* parsing name, but do not discard SP before colon, see
* http://www.mozilla.org/security/announce/2006/mfsa2006-33.html */
headers[*num_headers].name = buf;
static const char ALIGNED(16) ranges1[] = "::\x00\037";
int found;
buf = findchar_fast(buf, buf_end, ranges1, sizeof(ranges1) - 1, &found);
if (!found) {
CHECK_EOF();
}
while (1) {
if (*buf == ':') {
break;
} else if (*buf < ' ') {
*ret = -1;
return NULL;
}
++buf;
CHECK_EOF();
}
headers[*num_headers].name_len = buf - headers[*num_headers].name;
++buf;
for (;; ++buf) {
CHECK_EOF();
if (!(*buf == ' ' || *buf == '\t')) {
break;
}
}
} else {
headers[*num_headers].name = NULL;
headers[*num_headers].name_len = 0;
}
if ((buf = get_token_to_eol(buf, buf_end, &headers[*num_headers].value, &headers[*num_headers].value_len, ret)) == NULL) {
return NULL;
}
}
static const char* parse_headers(const char* buf, const char* buf_end,
struct phr_header* headers,
size_t* num_headers, size_t max_headers,
int* ret)
{
for (; ; ++*num_headers) {
CHECK_EOF();
if (*buf == '\015') {
++buf;
EXPECT_CHAR('\012');
break;
} else if (*buf == '\012') {
++buf;
break;
}
if (*num_headers == max_headers) {
*ret = -1;
return NULL;
}
if (*num_headers == 0 || ! (*buf == ' ' || *buf == '\t')) {
/* parsing name, but do not discard SP before colon, see
* http://www.mozilla.org/security/announce/2006/mfsa2006-33.html */
headers[*num_headers].name = buf;
for (; ; ++buf) {
CHECK_EOF();
if (*buf == ':') {
break;
} else if (*buf < ' ') {
*ret = -1;
return NULL;
}
}
headers[*num_headers].name_len = buf - headers[*num_headers].name;
++buf;
for (; ; ++buf) {
CHECK_EOF();
if (! (*buf == ' ' || *buf == '\t')) {
break;
}
}
} else {
headers[*num_headers].name = NULL;
headers[*num_headers].name_len = 0;
}
if ((buf = get_token_to_eol(buf, buf_end, &headers[*num_headers].value,
&headers[*num_headers].value_len, ret))
== NULL) {
return NULL;
}
}
return buf;
}
