[PATCH] Fixed PROXY protocol to use ngx_memcpy()/ngx_memcmp()

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1667900901 -10800
#      Tue Nov 08 12:48:21 2022 +0300
# Node ID 42bc158a47ecb3c2bd0396c723c307c757f2770e
# Parent  251daa98cc87111a62375941c988ed969f5d50dc
Fixed PROXY protocol to use ngx_memcpy()/ngx_memcmp().

diff --git a/src/core/ngx_proxy_protocol.c b/src/core/ngx_proxy_protocol.c
--- a/src/core/ngx_proxy_protocol.c
+++ b/src/core/ngx_proxy_protocol.c
@@ -109,7 +109,7 @@ ngx_proxy_protocol_read(ngx_connection_t
     len = last - buf;
 
     if (len >= sizeof(ngx_proxy_protocol_header_t)
-        && memcmp(p, signature, sizeof(signature) - 1) == 0)
+        && ngx_memcmp(p, signature, sizeof(signature) - 1) == 0)
     {
         return ngx_proxy_protocol_v2_read(c, buf, last);
     }
@@ -396,11 +396,11 @@ ngx_proxy_protocol_v2_read(ngx_connectio
 
         src_sockaddr.sockaddr_in.sin_family = AF_INET;
         src_sockaddr.sockaddr_in.sin_port = 0;
-        memcpy(&src_sockaddr.sockaddr_in.sin_addr, in->src_addr, 4);
+        ngx_memcpy(&src_sockaddr.sockaddr_in.sin_addr, in->src_addr, 4);
 
         dst_sockaddr.sockaddr_in.sin_family = AF_INET;
         dst_sockaddr.sockaddr_in.sin_port = 0;
-        memcpy(&dst_sockaddr.sockaddr_in.sin_addr, in->dst_addr, 4);
+        ngx_memcpy(&dst_sockaddr.sockaddr_in.sin_addr, in->dst_addr, 4);
 
         pp->src_port = ngx_proxy_protocol_parse_uint16(in->src_port);
         pp->dst_port = ngx_proxy_protocol_parse_uint16(in->dst_port);
@@ -423,11 +423,11 @@ ngx_proxy_protocol_v2_read(ngx_connectio
 
         src_sockaddr.sockaddr_in6.sin6_family = AF_INET6;
         src_sockaddr.sockaddr_in6.sin6_port = 0;
-        memcpy(&src_sockaddr.sockaddr_in6.sin6_addr, in6->src_addr, 16);
+        ngx_memcpy(&src_sockaddr.sockaddr_in6.sin6_addr, in6->src_addr, 16);
 
         dst_sockaddr.sockaddr_in6.sin6_family = AF_INET6;
         dst_sockaddr.sockaddr_in6.sin6_port = 0;
-        memcpy(&dst_sockaddr.sockaddr_in6.sin6_addr, in6->dst_addr, 16);
+        ngx_memcpy(&dst_sockaddr.sockaddr_in6.sin6_addr, in6->dst_addr, 16);
 
         pp->src_port = ngx_proxy_protocol_parse_uint16(in6->src_port);
         pp->dst_port = ngx_proxy_protocol_parse_uint16(in6->dst_port);