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HTTP parser: allowing tabs in field values as per RFC 7230.

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This commit is contained in:
Valentin Bartenev
2018-03-15 21:07:57 +03:00
parent 3d2f85d9ca
commit 0b628bfe48
2 changed files with 45 additions and 13 deletions
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10
src/nxt_http_parse.c
View File

@@ -629,6 +629,7 @@ nxt_http_parse_field_value(nxt_http_request_parse_t *rp, u_char **pos,
p += rp->field_value.length;
for ( ;; ) {
p = nxt_http_lookup_field_end(p, end);
if (nxt_slow_path(p == end)) {
@@ -647,10 +648,17 @@ nxt_http_parse_field_value(nxt_http_request_parse_t *rp, u_char **pos,
ch = *p;
if (nxt_slow_path(ch != '\r' && ch != '\n')) {
if (nxt_fast_path(ch == '\r' || ch == '\n')) {
break;
}
if (ch != '\t') {
return NXT_HTTP_PARSE_INVALID;
}
p++;
}
*pos = p;
if (nxt_fast_path(p != start)) {

24
src/test/nxt_http_parse_test.c
View File

@@ -268,6 +268,18 @@ static nxt_http_parse_test_case_t nxt_http_test_cases[] = {
NXT_HTTP_PARSE_INVALID,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Ho\nst: example.com\r\n\r\n"),
NXT_HTTP_PARSE_INVALID,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host : example.com\r\n\r\n"),
NXT_HTTP_PARSE_INVALID,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: exa\0mple.com\r\n\r\n"),
@@ -298,6 +310,18 @@ static nxt_http_parse_test_case_t nxt_http_test_cases[] = {
NXT_DONE,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: exa\nmple.com\r\n\r\n"),
NXT_HTTP_PARSE_INVALID,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: exa\tmple.com\r\n\r\n"),
NXT_DONE,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"X-Unknown-Header: value\r\n"