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@ -397,18 +397,31 @@ static int http_request_split_value(array *vals, const char *current, size_t len
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}
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static int request_uri_is_valid_char(unsigned char c) {
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if (c <= 32) return 0;
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if (c == 127) return 0;
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if (c == 255) return 0;
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return (c > 32 && c != 127 && c != 255);
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}
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return 1;
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__attribute_cold__
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__attribute_noinline__
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static int http_request_header_line_invalid(server *srv, int status, const char *msg) {
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if (srv->srvconf.log_request_header_on_error) {
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if (msg) log_error_write(srv, __FILE__, __LINE__, "s", msg);
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}
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return status;
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}
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static void http_request_missing_CR_before_LF(server *srv, connection *con) {
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UNUSED(con);
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if (srv->srvconf.log_request_header_on_error) {
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log_error_write(srv, __FILE__, __LINE__, "s", "missing CR before LF in header -> 400");
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}
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__attribute_cold__
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__attribute_noinline__
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static int http_request_header_char_invalid(server *srv, char ch, const char *msg) {
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if (srv->srvconf.log_request_header_on_error) {
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if ((unsigned char)ch > 32 && ch != 127) {
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char buf[2] = { ch, '\0' };
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log_error_write(srv,__FILE__,__LINE__,"sSSS",msg,"('",buf,"')");
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}
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else {
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log_error_write(srv,__FILE__,__LINE__,"sSXS",msg,"(",ch,")");
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}
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}
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return 400;
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}
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enum keep_alive_set {
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@ -422,6 +435,7 @@ typedef struct {
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char con_length_set;
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char *reqline_host;
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int reqline_hostlen;
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size_t reqline_len;
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} parse_header_state;
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static void init_parse_header_state(parse_header_state* state) {
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@ -429,13 +443,14 @@ static void init_parse_header_state(parse_header_state* state) {
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state->con_length_set = 0;
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state->reqline_host = NULL;
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state->reqline_hostlen = 0;
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state->reqline_len = 0;
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}
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/* add header to list of headers
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* certain headers are also parsed
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* might drop a header if deemed unnecessary/broken
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*
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* returns 0 on error
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* returns 0 on success, HTTP status on error
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*/
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static int parse_single_header(server *srv, connection *con, parse_header_state *state, char *k, size_t klen, char *v, size_t vlen) {
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const enum http_header_e id = http_header_hkey_get(k, klen);
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@ -448,7 +463,7 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
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while (vlen > 0 && (v[vlen - 1] == ' ' || v[vlen - 1] == '\t')) --vlen;
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/* empty header-fields are not allowed by HTTP-RFC, we just ignore them */
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if (0 == vlen) return 1; /* ignore header */
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if (0 == vlen) return 0; /* ignore header */
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|
/*
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* Note: k might not be '\0'-terminated
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|
@ -462,22 +477,15 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
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if (!(con->request.htags & HTTP_HEADER_HOST)) {
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saveb = &con->request.http_host;
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|
|
if (vlen >= 1024) { /*(expecting < 256)*/
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|
|
if (srv->srvconf.log_request_header_on_error) {
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|
|
log_error_write(srv, __FILE__, __LINE__, "s", "uri-authority too long -> 400");
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|
}
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|
|
return 0; /* invalid header */
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|
|
return http_request_header_line_invalid(srv, 400, "uri-authority too long -> 400");
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|
|
}
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|
|
}
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|
|
|
|
else if (state->reqline_host) {
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|
|
/* ignore all Host: headers as we got Host in request line */
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|
|
return 1; /* ignore header */
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|
|
return 0; /* ignore header */
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|
|
}
|
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|
|
else {
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|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
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|
|
log_error_write(srv, __FILE__, __LINE__, "s",
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|
|
"duplicate Host-header -> 400");
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|
|
}
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|
|
return 0; /* invalid header */
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|
|
return http_request_header_line_invalid(srv, 400, "duplicate Host header -> 400");
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|
|
}
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|
|
break;
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|
|
|
case HTTP_HEADER_CONNECTION:
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|
|
@ -502,17 +510,13 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
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|
|
break;
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|
|
case HTTP_HEADER_CONTENT_TYPE:
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|
|
if (con->request.htags & HTTP_HEADER_CONTENT_TYPE) {
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|
|
|
if (srv->srvconf.log_request_header_on_error) {
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|
|
log_error_write(srv, __FILE__, __LINE__, "s",
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|
|
"duplicate Content-Type-header -> 400");
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|
|
}
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|
|
return 0; /* invalid header */
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|
|
return http_request_header_line_invalid(srv, 400, "duplicate Content-Type header -> 400");
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|
|
|
}
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|
|
break;
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|
|
case HTTP_HEADER_IF_NONE_MATCH:
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|
|
/* if dup, only the first one will survive */
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|
|
if (con->request.htags & HTTP_HEADER_IF_NONE_MATCH) {
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|
|
return 1; /* ignore header */
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|
|
return 0; /* ignore header */
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|
|
|
}
|
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|
|
break;
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|
|
case HTTP_HEADER_CONTENT_LENGTH:
|
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|
|
@ -524,17 +528,11 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
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|
|
con->request.content_length = r;
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|
|
|
}
|
|
|
|
|
else {
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|
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|
|
log_error_write(srv, __FILE__, __LINE__, "sss",
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|
|
|
|
"content-length broken:", v, "-> 400");
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|
|
return 0; /* invalid header */
|
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|
|
|
return http_request_header_line_invalid(srv, 400, "invalid Content-Length header -> 400");
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|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"duplicate Content-Length-header -> 400");
|
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|
|
|
}
|
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|
|
return 0; /* invalid header */
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "duplicate Content-Length header -> 400");
|
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|
|
|
}
|
|
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|
|
break;
|
|
|
|
|
case HTTP_HEADER_IF_MODIFIED_SINCE:
|
|
|
|
@ -547,14 +545,10 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
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|
|
CONST_STR_LEN("If-Modified-Since"));
|
|
|
|
|
if (vb && buffer_is_equal_caseless_string(vb, v, vlen)) {
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|
|
|
|
/* ignore it if they are the same */
|
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|
|
|
return 1; /* ignore header */
|
|
|
|
|
return 0; /* ignore header */
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"duplicate If-Modified-Since header -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0; /* invalid header */
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "duplicate If-Modified-Since header -> 400");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
@ -567,7 +561,7 @@ static int parse_single_header(server *srv, connection *con, parse_header_state
|
|
|
|
|
*saveb = http_header_request_get(con, id, k, klen);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static size_t http_request_parse_reqline(server *srv, connection *con, buffer *hdrs, parse_header_state *state) {
|
|
|
|
@ -610,16 +604,12 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
ptr[i] = '\0';
|
|
|
|
|
++i;
|
|
|
|
|
} else if (http_header_strict) { /* '\n' */
|
|
|
|
|
http_request_missing_CR_before_LF(srv, con);
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "missing CR before LF in header -> 400");
|
|
|
|
|
}
|
|
|
|
|
ptr[i] = '\0';
|
|
|
|
|
|
|
|
|
|
if (request_line_stage != 2) {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "incomplete request line -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "incomplete request line -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
proto = ptr + first;
|
|
|
|
@ -629,13 +619,7 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
|
|
|
|
|
/* we got the first one :) */
|
|
|
|
|
if (HTTP_METHOD_UNSET == (r = get_http_method_key(method))) {
|
|
|
|
|
con->http_status = 501;
|
|
|
|
|
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "unknown http-method -> 501");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 501, "unknown http-method -> 501");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
con->request.http_method = r;
|
|
|
|
@ -671,10 +655,7 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (invalid_version) {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "unknown protocol -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "unknown protocol -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (major_num == 1 && minor_num == 1) {
|
|
|
|
@ -682,18 +663,10 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
} else if (major_num == 1 && minor_num == 0) {
|
|
|
|
|
con->request.http_version = HTTP_VERSION_1_0;
|
|
|
|
|
} else {
|
|
|
|
|
con->http_status = 505;
|
|
|
|
|
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "unknown HTTP version -> 505");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 505, "unknown HTTP version -> 505");
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "unknown protocol -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "unknown protocol -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (*uri == '/') {
|
|
|
|
@ -717,8 +690,7 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
/* everything looks good so far */
|
|
|
|
|
buffer_copy_string_len(con->request.uri, uri, proto - uri - 1);
|
|
|
|
|
} else {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "ss", "request-URI parse error -> 400 for:", uri);
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "request-URI parse error -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* check uri for invalid characters */
|
|
|
|
@ -732,26 +704,7 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
j = (NULL == z) ? jlen : (size_t)(z - con->request.uri->ptr);
|
|
|
|
|
}
|
|
|
|
|
if (j < jlen) {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
unsigned char buf[2];
|
|
|
|
|
buf[0] = con->request.uri->ptr[j];
|
|
|
|
|
buf[1] = '\0';
|
|
|
|
|
|
|
|
|
|
if (con->request.uri->ptr[j] > 32 &&
|
|
|
|
|
con->request.uri->ptr[j] != 127) {
|
|
|
|
|
/* the character is printable -> print it */
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "ss",
|
|
|
|
|
"invalid character in URI -> 400",
|
|
|
|
|
buf);
|
|
|
|
|
} else {
|
|
|
|
|
/* a control-character, print ascii-code */
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "sd",
|
|
|
|
|
"invalid character in URI -> 400",
|
|
|
|
|
con->request.uri->ptr[j]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_char_invalid(srv, con->request.uri->ptr[j], "invalid character in URI -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
buffer_copy_buffer(con->request.orig_uri, con->request.uri);
|
|
|
|
@ -776,10 +729,7 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
/* ERROR, one space to much */
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "overlong request line -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "overlong request line -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
request_line_stage++;
|
|
|
|
@ -788,25 +738,20 @@ static size_t http_request_parse_reqline(server *srv, connection *con, buffer *h
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (buffer_string_is_empty(con->request.uri)) {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "no uri specified -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "no uri specified -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (state->reqline_host) {
|
|
|
|
|
/* Insert as host header */
|
|
|
|
|
if (state->reqline_hostlen >= 1024) { /*(expecting < 256)*/
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "uri-authority too long -> 400");
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "uri-authority too long -> 400");
|
|
|
|
|
}
|
|
|
|
|
http_header_request_set(con, HTTP_HEADER_HOST, CONST_STR_LEN("Host"), state->reqline_host, state->reqline_hostlen);
|
|
|
|
|
con->request.http_host = http_header_request_get(con, HTTP_HEADER_HOST, CONST_STR_LEN("Host"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return i;
|
|
|
|
|
state->reqline_len = i;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
@ -814,22 +759,22 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
char *value = NULL;
|
|
|
|
|
size_t i, first, ilen;
|
|
|
|
|
const unsigned int http_header_strict = (con->conf.http_parseopts & HTTP_PARSEOPT_HEADER_STRICT);
|
|
|
|
|
int status;
|
|
|
|
|
|
|
|
|
|
parse_header_state state;
|
|
|
|
|
init_parse_header_state(&state);
|
|
|
|
|
|
|
|
|
|
i = first = http_request_parse_reqline(srv, con, hdrs, &state);
|
|
|
|
|
if (0 == i) goto failure;
|
|
|
|
|
status = http_request_parse_reqline(srv, con, hdrs, &state);
|
|
|
|
|
if (0 != status) return status;
|
|
|
|
|
|
|
|
|
|
i = first = state.reqline_len;
|
|
|
|
|
|
|
|
|
|
if (ptr[i] == ' ' || ptr[i] == '\t') {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "WS at the start of first line -> 400");
|
|
|
|
|
}
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "WS at the start of first line -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ilen = buffer_string_length(hdrs);
|
|
|
|
|
for (int is_key = 1, key_len = 0, done = 0; i <= ilen && !done; ++i) {
|
|
|
|
|
for (int is_key = 1, key_len = 0; i < ilen; ++i) {
|
|
|
|
|
char *cur = ptr + i;
|
|
|
|
|
|
|
|
|
|
if (is_key) {
|
|
|
|
@ -844,11 +789,7 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
/* skip every thing up to the : */
|
|
|
|
|
do { ++cur; } while (*cur == ' ' || *cur == '\t');
|
|
|
|
|
if (*cur != ':') {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "WS character in key -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "WS character in key -> 400");
|
|
|
|
|
}
|
|
|
|
|
/* fall through */
|
|
|
|
|
case ':':
|
|
|
|
@ -873,46 +814,26 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
case '=':
|
|
|
|
|
case '{':
|
|
|
|
|
case '}':
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "ssds",
|
|
|
|
|
"invalid character in key", cur, *cur, "-> 400");
|
|
|
|
|
}
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_char_invalid(srv, *cur, "invalid character in header key -> 400");
|
|
|
|
|
case '\r':
|
|
|
|
|
if (ptr[i+1] == '\n' && i == first) {
|
|
|
|
|
/* End of Header */
|
|
|
|
|
ptr[i] = '\0';
|
|
|
|
|
ptr[i+1] = '\0';
|
|
|
|
|
|
|
|
|
|
i++;
|
|
|
|
|
|
|
|
|
|
done = 1;
|
|
|
|
|
++i;
|
|
|
|
|
} else {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "CR without LF -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "CR without LF -> 400");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case '\n':
|
|
|
|
|
if (http_header_strict) {
|
|
|
|
|
http_request_missing_CR_before_LF(srv, con);
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "missing CR before LF in header -> 400");
|
|
|
|
|
} else if (i == first) {
|
|
|
|
|
ptr[i] = '\0';
|
|
|
|
|
done = 1;
|
|
|
|
|
/* End of Header */
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
/* fall through */
|
|
|
|
|
default:
|
|
|
|
|
if (http_header_strict ? (*cur < 32 || ((unsigned char)*cur) >= 127) : *cur == '\0') {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "ssds",
|
|
|
|
|
"invalid character in key", cur, *cur, "-> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_char_invalid(srv, *cur, "invalid character in header key -> 400");
|
|
|
|
|
}
|
|
|
|
|
/* ok */
|
|
|
|
|
break;
|
|
|
|
@ -921,11 +842,7 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
switch(*cur) {
|
|
|
|
|
case '\r':
|
|
|
|
|
if (cur[1] != '\n') {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "CR without LF -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "CR without LF -> 400");
|
|
|
|
|
}
|
|
|
|
|
if (cur[2] == ' ' || cur[2] == '\t') { /* header line folding */
|
|
|
|
|
cur[0] = ' ';
|
|
|
|
@ -938,8 +855,7 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
case '\n':
|
|
|
|
|
if (*cur == '\n') {
|
|
|
|
|
if (http_header_strict) {
|
|
|
|
|
http_request_missing_CR_before_LF(srv, con);
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "missing CR before LF in header -> 400");
|
|
|
|
|
}
|
|
|
|
|
if (cur[1] == ' ' || cur[1] == '\t') { /* header line folding */
|
|
|
|
|
cur[0] = ' ';
|
|
|
|
@ -951,10 +867,8 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
/* End of Headerline */
|
|
|
|
|
*cur = '\0'; /*(for if value is further parsed and '\0' is expected at end of string)*/
|
|
|
|
|
|
|
|
|
|
if (!parse_single_header(srv, con, &state, ptr + first, key_len, value, cur - value)) {
|
|
|
|
|
/* parse_single_header should already have logged it */
|
|
|
|
|
goto failure;
|
|
|
|
|
}
|
|
|
|
|
status = parse_single_header(srv, con, &state, ptr + first, key_len, value, cur - value);
|
|
|
|
|
if (0 != status) return status;
|
|
|
|
|
|
|
|
|
|
first = i+1;
|
|
|
|
|
is_key = 1;
|
|
|
|
@ -965,20 +879,13 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
if (http_header_strict ? (*cur >= 0 && *cur < 32) : *cur == '\0') {
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "sds",
|
|
|
|
|
"invalid char in header", (int)*cur, "-> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_char_invalid(srv, *cur, "invalid character in header -> 400");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
con->header_len = i;
|
|
|
|
|
|
|
|
|
|
/* do some post-processing */
|
|
|
|
|
|
|
|
|
|
if (con->request.http_version == HTTP_VERSION_1_1) {
|
|
|
|
@ -994,11 +901,7 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
/* RFC 2616, 14.23 */
|
|
|
|
|
if (con->request.http_host == NULL ||
|
|
|
|
|
buffer_string_is_empty(con->request.http_host)) {
|
|
|
|
|
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s", "HTTP/1.1 but Host missing -> 400");
|
|
|
|
|
}
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "HTTP/1.1 but Host missing -> 400");
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (state.keep_alive_set == HTTP_CONNECTION_KEEPALIVE) {
|
|
|
|
@ -1014,29 +917,20 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
/* check hostname field if it is set */
|
|
|
|
|
if (!buffer_is_empty(con->request.http_host) &&
|
|
|
|
|
0 != http_request_host_policy(con, con->request.http_host, con->proto)) {
|
|
|
|
|
|
|
|
|
|
if (srv->srvconf.log_request_header_on_error) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"Invalid Hostname -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "Invalid Hostname -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (con->request.htags & HTTP_HEADER_TRANSFER_ENCODING) {
|
|
|
|
|
buffer *vb = http_header_request_get(con, HTTP_HEADER_TRANSFER_ENCODING, CONST_STR_LEN("Transfer-Encoding"));
|
|
|
|
|
if (NULL != vb) {
|
|
|
|
|
if (con->request.http_version == HTTP_VERSION_1_0) {
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"HTTP/1.0 with Transfer-Encoding (bad HTTP/1.0 proxy?) -> 400");
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "HTTP/1.0 with Transfer-Encoding (bad HTTP/1.0 proxy?) -> 400");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (0 != buffer_caseless_compare(CONST_BUF_LEN(vb), CONST_STR_LEN("chunked"))) {
|
|
|
|
|
/* Transfer-Encoding might contain additional encodings,
|
|
|
|
|
* which are not currently supported by lighttpd */
|
|
|
|
|
con->http_status = 501; /* Not Implemented */
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 501, NULL); /* Not Implemented */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* reset value for Transfer-Encoding, a hop-by-hop header,
|
|
|
|
@ -1061,22 +955,13 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
case HTTP_METHOD_HEAD:
|
|
|
|
|
/* content-length is forbidden for those */
|
|
|
|
|
if (state.con_length_set && con->request.content_length != 0) {
|
|
|
|
|
/* content-length is missing */
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"GET/HEAD with content-length -> 400");
|
|
|
|
|
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 400, "GET/HEAD with content-length -> 400");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case HTTP_METHOD_POST:
|
|
|
|
|
/* content-length is required for them */
|
|
|
|
|
if (!state.con_length_set) {
|
|
|
|
|
/* content-length is missing */
|
|
|
|
|
log_error_write(srv, __FILE__, __LINE__, "s",
|
|
|
|
|
"POST-request, but content-length missing -> 411");
|
|
|
|
|
|
|
|
|
|
con->http_status = 411;
|
|
|
|
|
goto failure;
|
|
|
|
|
return http_request_header_line_invalid(srv, 411, "POST-request, but content-length missing -> 411");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
@ -1084,8 +969,4 @@ int http_request_parse(server *srv, connection *con, buffer *hdrs) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
failure:
|
|
|
|
|
if (!con->http_status) con->http_status = 400;
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|