id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
2413	func ngx_parse_inet6_url() can not set ipv6 connection local address	Shuokp31@…		"We found a problem that nginx cant set ipv6 connection's local address, pls consider the following modify in src/core/ngx_inet.c：

{{{
ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
{
……

    if (len == 0) {
        u->err = ""no host"";
        return NGX_ERROR;
    }
 
    u->host.len = len + 2;
    u->host.data = host - 1;
 
+    ifname = ngx_strlchr(host, p, '%');
+    if (ifname != NULL) {
+        len = ifname - host;
+        ngx_memcpy((void *)name, (void *)(ifname + 1), p - ifname - 1);
+    }
 
    if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) {
        u->err = ""invalid IPv6 address"";
        return NGX_ERROR;
    }
 
+    if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && ifname) {
+        index = if_nametoindex(name);
+        if (index) {
+            sin6->sin6_scope_id = index;
+        }
+    }
 
    if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
        u->wildcard = 1;
    }
 
    u->family = AF_INET6;
 
    return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, u->socklen, 1);
……
}
}}}

Any discussion and suggestions are welcome."	defect	closed	minor		nginx-core	1.22.x	duplicate	ipv6,addr		Linux iBMC 5.10.0 #1 SMP PREEMPT(OFF) Thu Oct 27 14:14:59 CST 2022 armv7l GNU/Linux	"nginx version: nginx/1.22.0
built by gcc 7.3.0 (GCC)
built with OpenSSL 1.1.1n  15 Mar 2022
TLS SNI support enabled

configure arguments:  --with-cc=aarch64-target-linux-gnu-gcc --with-cpp=aarch64-target-linux-gnu-g++ --prefix=""/opt/pme/web"" --with-http_auth_request_module --with-http_ssl_module --with-ipv6 --without-http_gzip_module --without-http_upstream_zone_module --without-select_module --without-http_gzip_module --without-http_split_clients_module --without-http_fastcgi_module --without-http_uwsgi_module --without-http_scgi_module --without-mail_pop3_module --without-mail_imap_module --without-mail_smtp_module --without-stream_split_clients_module --add-module=../../nginx-upload-module --with-ld-opt=""-Wl,-z,relro,-z,now -lcap"" --with-cc-opt=""-Wl,-z,relro,-z,now -fstack-protector-strong -DNGX_SYS_NERR=132 -DNGX_HAVE_SYSVSHM=1 -DKVM_USER_UPLOAD -DBMC_ENABLED -DBMC_ONLY=1"""