[nginx] Allowed '-' in method names.

[Maxim Dounin]

details:   http://hg.nginx.org/nginx/rev/57148b755320
branches:  
changeset: 6732:57148b755320
user:      Maxim Dounin <mdounin at mdounin.ru>
date:      Mon Oct 10 16:24:50 2016 +0300
description:
Allowed '-' in method names.

It is used at least by SOAP (M-POST method, defined by RFC 2774) and
by WebDAV versioning (VERSION-CONTROL and BASELINE-CONTROL methods,
defined by RFC 3253).

diffstat:

 src/http/ngx_http_parse.c |  4 ++--
 src/http/v2/ngx_http_v2.c |  2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diffs (33 lines):

diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -149,7 +149,7 @@ ngx_http_parse_request_line(ngx_http_req
                 break;
             }
 
-            if ((ch < 'A' || ch > 'Z') && ch != '_') {
+            if ((ch < 'A' || ch > 'Z') && ch != '_' && ch != '-') {
                 return NGX_HTTP_PARSE_INVALID_METHOD;
             }
 
@@ -270,7 +270,7 @@ ngx_http_parse_request_line(ngx_http_req
                 break;
             }
 
-            if ((ch < 'A' || ch > 'Z') && ch != '_') {
+            if ((ch < 'A' || ch > 'Z') && ch != '_' && ch != '-') {
                 return NGX_HTTP_PARSE_INVALID_METHOD;
             }
 
diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c
--- a/src/http/v2/ngx_http_v2.c
+++ b/src/http/v2/ngx_http_v2.c
@@ -3178,7 +3178,7 @@ ngx_http_v2_parse_method(ngx_http_reques
     p = r->method_name.data;
 
     do {
-        if ((*p < 'A' || *p > 'Z') && *p != '_') {
+        if ((*p < 'A' || *p > 'Z') && *p != '_' && *p != '-') {
             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
                           "client sent invalid method: \"%V\"",
                           &r->method_name);