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path: root/src/http/ngx_http_variables.c
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Diffstat (limited to 'src/http/ngx_http_variables.c')
-rw-r--r--src/http/ngx_http_variables.c112
1 files changed, 76 insertions, 36 deletions
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index 9d300e69e..69bfe3a5e 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -12,6 +12,8 @@
static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
+static void ngx_http_variable_request_set_size(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r,
@@ -59,88 +61,97 @@ static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r,
static ngx_http_variable_t ngx_http_core_variables[] = {
- { ngx_string("http_host"), ngx_http_variable_header,
+ { ngx_string("http_host"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.host), 0, 0 },
- { ngx_string("http_user_agent"), ngx_http_variable_header,
+ { ngx_string("http_user_agent"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 },
- { ngx_string("http_referer"), ngx_http_variable_header,
+ { ngx_string("http_referer"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.referer), 0, 0 },
#if (NGX_HTTP_GZIP)
- { ngx_string("http_via"), ngx_http_variable_header,
+ { ngx_string("http_via"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.via), 0, 0 },
#endif
#if (NGX_HTTP_PROXY)
- { ngx_string("http_x_forwarded_for"), ngx_http_variable_header,
+ { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 },
#endif
- { ngx_string("http_cookie"), ngx_http_variable_headers,
+ { ngx_string("http_cookie"), NULL, ngx_http_variable_headers,
offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 },
- { ngx_string("content_length"), ngx_http_variable_header,
+ { ngx_string("content_length"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 },
- { ngx_string("content_type"), ngx_http_variable_header,
+ { ngx_string("content_type"), NULL, ngx_http_variable_header,
offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 },
- { ngx_string("host"), ngx_http_variable_host, 0, 0, 0 },
+ { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 },
- { ngx_string("remote_addr"), ngx_http_variable_remote_addr, 0, 0, 0 },
+ { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 },
- { ngx_string("remote_port"), ngx_http_variable_remote_port, 0, 0, 0 },
+ { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 },
- { ngx_string("server_addr"), ngx_http_variable_server_addr, 0, 0, 0 },
+ { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 },
- { ngx_string("server_port"), ngx_http_variable_server_port, 0, 0, 0 },
+ { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 },
- { ngx_string("server_protocol"), ngx_http_variable_request,
+ { ngx_string("server_protocol"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, http_protocol), 0, 0 },
- { ngx_string("request_uri"), ngx_http_variable_request,
+ { ngx_string("request_uri"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, unparsed_uri), 0, 0 },
- { ngx_string("uri"), ngx_http_variable_request,
+ { ngx_string("uri"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, uri),
NGX_HTTP_VAR_NOCACHABLE, 0 },
- { ngx_string("document_uri"), ngx_http_variable_request,
+ { ngx_string("document_uri"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, uri),
NGX_HTTP_VAR_NOCACHABLE, 0 },
- { ngx_string("request"), ngx_http_variable_request,
+ { ngx_string("request"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, request_line), 0, 0 },
- { ngx_string("document_root"), ngx_http_variable_document_root, 0, 0, 0 },
+ { ngx_string("document_root"), NULL,
+ ngx_http_variable_document_root, 0, 0, 0 },
- { ngx_string("query_string"), ngx_http_variable_request,
+ { ngx_string("query_string"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, args),
NGX_HTTP_VAR_NOCACHABLE, 0 },
- { ngx_string("args"), ngx_http_variable_request,
+ { ngx_string("args"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, args),
NGX_HTTP_VAR_NOCACHABLE, 0 },
- { ngx_string("request_filename"), ngx_http_variable_request_filename, 0,
+ { ngx_string("request_filename"), NULL,
+ ngx_http_variable_request_filename, 0,
NGX_HTTP_VAR_NOCACHABLE, 0 },
- { ngx_string("server_name"), ngx_http_variable_request,
+ { ngx_string("server_name"), NULL, ngx_http_variable_request,
offsetof(ngx_http_request_t, server_name), 0, 0 },
- { ngx_string("request_method"), ngx_http_variable_request_method, 0, 0, 0 },
+ { ngx_string("request_method"), NULL,
+ ngx_http_variable_request_method, 0, 0, 0 },
- { ngx_string("remote_user"), ngx_http_variable_remote_user, 0, 0, 0 },
+ { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 },
- { ngx_string("body_bytes_sent"), ngx_http_variable_body_bytes_sent,
+ { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent,
0, 0, 0 },
- { ngx_string("request_completion"), ngx_http_variable_request_completion,
+ { ngx_string("request_completion"), NULL,
+ ngx_http_variable_request_completion,
0, 0, 0 },
- { ngx_null_string, NULL, 0, 0, 0 }
+ { ngx_string("limit_rate"), ngx_http_variable_request_set_size,
+ ngx_http_variable_request,
+ offsetof(ngx_http_request_t, limit_rate),
+ NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOCACHABLE, 0 },
+
+ { ngx_null_string, NULL, NULL, 0, 0, 0 }
};
@@ -195,7 +206,8 @@ ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags)
v->name.data[i] = ngx_tolower(name->data[i]);
}
- v->handler = NULL;
+ v->set_handler = NULL;
+ v->get_handler = NULL;
v->data = 0;
v->flags = flags;
v->index = 0;
@@ -261,7 +273,8 @@ ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name)
v->name.data[i] = ngx_tolower(name->data[i]);
}
- v->handler = NULL;
+ v->set_handler = NULL;
+ v->get_handler = NULL;
v->data = 0;
v->flags = 0;
v->index = cmcf->variables.nelts - 1;
@@ -290,8 +303,9 @@ ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index)
v = cmcf->variables.elts;
- if (v[index].handler(r, &r->variables[index], v[index].data) == NGX_OK) {
-
+ if (v[index].get_handler(r, &r->variables[index], v[index].data)
+ == NGX_OK)
+ {
if (v[index].flags & NGX_HTTP_VAR_NOCACHABLE) {
r->variables[index].no_cachable = 1;
}
@@ -343,7 +357,7 @@ ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key,
vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
- if (vv && v->handler(r, vv, v->data) == NGX_OK) {
+ if (vv && v->get_handler(r, vv, v->data) == NGX_OK) {
return vv;
}
@@ -412,6 +426,32 @@ ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v,
}
+static void
+ngx_http_variable_request_set_size(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ ssize_t s, *sp;
+ ngx_str_t val;
+
+ val.len = v->len & 0xffff;
+ val.data = v->data;
+
+ s = ngx_parse_size(&val);
+
+ if (s == NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "invalid size \"%V\"", &val);
+ return;
+ }
+
+ sp = (ssize_t *) ((char *) r + data);
+
+ *sp = s;
+
+ return;
+}
+
+
static ngx_int_t
ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v,
uintptr_t data)
@@ -900,7 +940,7 @@ ngx_http_variables_init_vars(ngx_conf_t *cf)
{
av = key[n].value;
- v[i].handler = av->handler;
+ v[i].get_handler = av->get_handler;
v[i].data = av->data;
av->flags |= NGX_HTTP_VAR_INDEXED;
@@ -913,14 +953,14 @@ ngx_http_variables_init_vars(ngx_conf_t *cf)
}
if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) {
- v[i].handler = ngx_http_variable_unknown_header_in;
+ v[i].get_handler = ngx_http_variable_unknown_header_in;
v[i].data = (uintptr_t) &v[i].name;
continue;
}
if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) {
- v[i].handler = ngx_http_variable_unknown_header_out;
+ v[i].get_handler = ngx_http_variable_unknown_header_out;
v[i].data = (uintptr_t) &v[i].name;
continue;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-19 03:37:04 +0000