[sr-dev] git:master: core: added parameter to enable/ disable automatic binding of ipv6 interfaces

Module: sip-router Branch: master Commit: bd3d3546af5e52263ed803000f8b490b96108504 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=bd3d354… Author: Marius Zbihlei &lt;marius.zbihlei(a)1and1.ro&gt; Committer: Marius Zbihlei &lt;marius.zbihlei(a)1and1.ro&gt; Date: Tue Oct 11 11:35:56 2011 +0300 core: added parameter to enable/disable automatic binding of ipv6 interfaces TODO: documentation --- cfg.lex | 4 ++++ cfg.y | 11 +++++++++++ cfg_core.c | 8 ++++++++ cfg_core.h | 5 +++++ socket_info.c | 18 +++++++++--------- 5 files changed, 37 insertions(+), 9 deletions(-) diff --git a/cfg.lex b/cfg.lex index ff35a8a..4a19fe1 100644 --- a/cfg.lex +++ b/cfg.lex @@ -370,6 +370,8 @@ DNS_CACHE_MAX_TTL dns_cache_max_ttl DNS_CACHE_MEM dns_cache_mem DNS_CACHE_GC_INT dns_cache_gc_interval DNS_CACHE_DEL_NONEXP dns_cache_del_nonexp|dns_cache_delete_nonexpired +/* ipv6 auto bind */ +AUTO_BIND_IPV6 auto_bind_ipv6 /* blacklist */ DST_BLST_INIT dst_blacklist_init USE_DST_BLST use_dst_blacklist @@ -751,6 +753,8 @@ IMPORTFILE "import_file" return DNS_CACHE_GC_INT; } <INITIAL>{DNS_CACHE_DEL_NONEXP} { count(); yylval.strval=yytext; return DNS_CACHE_DEL_NONEXP; } +<INITIAL>{AUTO_BIND_IPV6} { count(); yylval.strval=yytext; + return AUTO_BIND_IPV6; } <INITIAL>{DST_BLST_INIT} { count(); yylval.strval=yytext; return DST_BLST_INIT; } <INITIAL>{USE_DST_BLST} { count(); yylval.strval=yytext; diff --git a/cfg.y b/cfg.y index 4290e41..ab9b126 100644 --- a/cfg.y +++ b/cfg.y @@ -164,6 +164,11 @@ if (rt!=ONSEND_ROUTE) yyerror( s " allowed only in onsend_routes");\ }while(0) +#ifdef USE_IPV6 + #define IF_AUTO_BIND_IPV6(x) x +#else + #define IF_AUTO_BIND_IPV6(x) warn("IPV6 support not compiled"); +#endif #ifdef USE_DNS_CACHE #define IF_DNS_CACHE(x) x @@ -419,6 +424,10 @@ extern char *finame; %token DNS_CACHE_MEM %token DNS_CACHE_GC_INT %token DNS_CACHE_DEL_NONEXP + +/* ipv6 auto bind */ +%token AUTO_BIND_IPV6 + /*blacklist*/ %token DST_BLST_INIT %token USE_DST_BLST @@ -877,6 +886,8 @@ assign_stm: | DNS_CACHE_GC_INT error { yyerror("boolean value expected"); } | DNS_CACHE_DEL_NONEXP EQUAL NUMBER { IF_DNS_CACHE(default_core_cfg.dns_cache_del_nonexp=$3); } | DNS_CACHE_DEL_NONEXP error { yyerror("boolean value expected"); } + | AUTO_BIND_IPV6 EQUAL NUMBER {IF_AUTO_BIND_IPV6(default_core_cfg.auto_bind_ipv6 = $3);} + | AUTO_BIND_IPV6 error { yyerror("boolean value expected"); } | DST_BLST_INIT EQUAL NUMBER { IF_DST_BLACKLIST(dst_blacklist_init=$3); } | DST_BLST_INIT error { yyerror("boolean value expected"); } | USE_DST_BLST EQUAL NUMBER { diff --git a/cfg_core.c b/cfg_core.c index 27a55b3..bd5a00d 100644 --- a/cfg_core.c +++ b/cfg_core.c @@ -105,6 +105,9 @@ struct cfg_group_core default_core_cfg = { 0, /*!< dns_cache_del_nonexp -- delete only expired entries by default */ 0, /*!< dns_cache_rec_pref -- 0 by default, do not check the existing entries. */ #endif +#ifdef USE_IPV6 + 0, /*!< auto_bind_ipv6 -- off by default */ +#endif #ifdef PKG_MALLOC 0, /*!< mem_dump_pkg */ #endif @@ -272,6 +275,11 @@ cfg_def_t core_cfg_def[] = { " 2 - prefer new records" " 3 - prefer records with longer lifetime"}, #endif +#ifdef USE_IPV6 + {"auto_bind_ipv6", CFG_VAR_INT, 0, 1, 0, 0, 0, + "enable/disable auto binding of proxy to IPV6 interfaces." + "default is disabled 0"}, +#endif #ifdef PKG_MALLOC {"mem_dump_pkg", CFG_VAR_INT, 0, 0, 0, mem_dump_pkg_cb, "dump process memory status, parameter: pid_number"}, diff --git a/cfg_core.h b/cfg_core.h index 25f69ae..ada5b89 100644 --- a/cfg_core.h +++ b/cfg_core.h @@ -93,6 +93,11 @@ struct cfg_group_core { int dns_cache_del_nonexp; int dns_cache_rec_pref; #endif + +#ifdef USE_IPV6 + int auto_bind_ipv6; +#endif + #ifdef PKG_MALLOC int mem_dump_pkg; #endif diff --git a/socket_info.c b/socket_info.c index 73a5cf3..4e7d27e 100644 --- a/socket_info.c +++ b/socket_info.c @@ -1712,9 +1712,9 @@ int fix_all_socket_lists() if ( ( (add_interfaces(0, AF_INET, 0, PROTO_UDP, &ai_lst)==0) #ifdef USE_IPV6 #ifdef __OS_linux - && (add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_UDP, &ai_lst) == 0) + && (!(cfg_get(core, core_cfg, auto_bind_ipv6)) || add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_UDP, &ai_lst) == 0) #else - && (add_interfaces(0, AF_INET6, 0, PROTO_UDP, &ai_lst)==0) /* add_interface does not work for IPv6 on Linux */ + && ( !(cfg_get(core, core_cfg, auto_bind_ipv6)) || add_interfaces(0, AF_INET6, 0, PROTO_UDP, &ai_lst) !=0 ) /* add_interface does not work for IPv6 on Linux */ #endif /* __OS_linux */ #endif /* USE_IPV6 */ ) && (addr_info_to_si_lst(ai_lst, 0, PROTO_UDP, 0, &udp_listen)==0)){ @@ -1726,12 +1726,12 @@ int fix_all_socket_lists() if ( ((add_interfaces(0, AF_INET, 0, PROTO_TCP, &ai_lst)!=0) #ifdef USE_IPV6 #ifdef __OS_linux - || (add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_TCP, &ai_lst) != 0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_TCP, &ai_lst) != 0) #else - || (add_interfaces(0, AF_INET6, 0, PROTO_TCP, &ai_lst)!=0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces(0, AF_INET6, 0, PROTO_TCP, &ai_lst) !=0 ) #endif /* __OS_linux */ #endif /* USE_IPV6 */ - )|| (addr_info_to_si_lst(ai_lst, 0, PROTO_TCP, 0, + ) || (addr_info_to_si_lst(ai_lst, 0, PROTO_TCP, 0, &tcp_listen)!=0)) goto error; free_addr_info_lst(&ai_lst); @@ -1742,9 +1742,9 @@ int fix_all_socket_lists() &ai_lst)!=0) #ifdef USE_IPV6 #ifdef __OS_linux - || (add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_TLS, &ai_lst) != 0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_TLS, &ai_lst) != 0) #else - || (add_interfaces(0, AF_INET6, 0, PROTO_TLS, &ai_lst)!=0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces(0, AF_INET6, 0, PROTO_TLS, &ai_lst)!=0) #endif /* __OS_linux */ #endif /* USE_IPV6 */ ) || (addr_info_to_si_lst(ai_lst, 0, PROTO_TLS, 0, @@ -1761,9 +1761,9 @@ int fix_all_socket_lists() if (((add_interfaces(0, AF_INET, 0, PROTO_SCTP, &ai_lst)!=0) #ifdef USE_IPV6 #ifdef __OS_linux - || (add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_SCTP, &ai_lst) != 0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces_via_netlink(0, AF_INET6, 0, PROTO_SCTP, &ai_lst) != 0) #else - || (add_interfaces(0, AF_INET6, 0, PROTO_SCTP, &ai_lst)!=0) + || (cfg_get(core, core_cfg, auto_bind_ipv6) && add_interfaces(0, AF_INET6, 0, PROTO_SCTP, &ai_lst) != 0) #endif /* __OS_linux */ #endif /* USE_IPV6 */ ) || (addr_info_to_si_lst(ai_lst, 0, PROTO_SCTP, 0,