# \[Bug:trunk\] Socket.getaddrinfo("www.ruby-lang.org", 80) returns only UDP information

**URL:** <https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710>\
**Category:** Development\
**Created:** [January 1, 2009, 4:45pm UTC](https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710 "2009-01-01T16:45:20Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 1, 2009, 4:45pm UTC](https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710/1 "2009-01-01T16:45:20Z")

</div>

1.9 e$B$He(B 1.8 e$B$Ge(B Socket.getaddrinfo(“[www.ruby-lang.org](http://www.ruby-lang.org)”, 80)  
e$B$NJV$jCM$,0c$$$^$9!#e(B

e$B0J2\<$N$h$&$K!"e(B1.9 e$B$G$Oe(B 1e$BMWAG$NG[Ns$,JV$j!"e(B1.8  
e$B$G$Oe(B 2e$BMWAG$NG[Ns$,JV$j$^$9!#e(B

% ./ruby -rpp -rsocket -ve ‘pp Socket.getaddrinfo(“[www.ruby-lang.org](http://www.ruby-lang.org)”,  
80)’  
ruby 1.9.1 (2009-01-01 patchlevel-5000 trunk 21253) [i686-linux]  
[[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 2, 17]]

% ruby-1.8 -rpp -rsocket -ve ‘pp Socket.getaddrinfo(“[www.ruby-lang.org](http://www.ruby-lang.org)”,  
80)’  
ruby 1.8.7 (2008-12-26 revision 21066) [i686-linux]  
[[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 1, 6],  
[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 2, 17]]

1.8 e$B$NJV$jCM$Ne(B 2e$BMWAG$O$h$/;w$F$$$^$9$,!"e(B  
e$B!VBhe(B5e$BMWAGe(B - e$B%=%1%C%H%?%$%W$KBP1~$9$ke(BIntegere$B!W$He(B  
e$B!VBhe(B6e$BMWAGe(B -  
e$B%W%m%H%3%k$KBP1~$9$ke(BIntegere$B!W$,0[$J$C$F$$$^$9!#e(B

e$B$3$l$,$J$K$+$H$$$&$H!"e(B1, 6 e$B$Oe(B TCP e$B$r0UL#$7$F$$$F!"e(B2,  
17 e$B$Oe(B  
UDP e$B$r0UL#$7$F$$$^$9!#e(B

% ./ruby -rsocket -e ’  
p [Socket::SOCK\_STREAM, Socket::IPPROTO\_TCP]  
p [Socket::SOCK\_DGRAM, Socket::IPPROTO\_UDP]’  
[1, 6]  
[2, 17]

1.9 e$B$G$O!“e(B2, 17 e$B$NMWAG$7$+$J$/$F!”$3$l$O$D$^$je(B UDP  
e$B$N\>pJs$7e(B  
e$B$+JV$C$F$-$F$$$J$$$H$$$&$3$H$r0UL#$7$^$9!#e(B

[www.ruby-lang.org:80](http://www.ruby-lang.org:80) e$B$N\>pJs$rMW5a$7$Fe(B TCP e$B$,=P$F$3$J$$$N$O$he(B  
e$B$m$7$/$J$$$s$8$c$J$$$G$7$g$&$+!#e(B

e$BD4$Y$F$\_$k$H!"e(Br20387 e$B$Ne(B

Fri Nov 28 18:31:21 2008 Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

```
    * ext/socket/socket.c (sock_s_getaddrinfo): refactored to remove
      code duplication regarding getaddrinfo.

```

e$B$H$$$&JQ99$,860x$J$h$&$J$N$G$9$,!“5sF0$,JQ$o$C$F$7$^$C$F$$$ke(B  
e$B$N$G!”%j%U%!%/%?%j%s%0$H$7$F$O\<:GT$G$O$J$$$G$7$g$&$+!#e(B

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 6, 2009, 9:23am UTC](https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710/2 "2009-01-06T09:23:08Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:37674] [Bug:trunk]  
Socket.getaddrinfo(“[www.ruby-lang.org](http://www.ruby-lang.org)”, 80) returns only UDP  
information”  
on Fri, 2 Jan 2009 00:44:13 +0900, Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|1.9 e$B$He(B 1.8 e$B$Ge(B Socket.getaddrinfo(“[www.ruby-lang.org](http://www.ruby-lang.org)”, 80) e$B$NJV$jCM$,0c$$$^$9!#e(B  
|e$B0J2\<$N$h$&$K!"e(B1.9 e$B$G$Oe(B 1e$BMWAG$NG[Ns$,JV$j!"e(B1.8 e$B$G$Oe(B 2e$BMWAG$NG[Ns$,JV$j$^$9!#e(B

|[www.ruby-lang.org:80](http://www.ruby-lang.org:80) e$B$N\>pJs$rMW5a$7$Fe(B TCP e$B$,=P$F$3$J$$$N$O$he(B  
|e$B$m$7$/$J$$$s$8$c$J$$$G$7$g$&$+!#e(B  
|  
|e$BD4$Y$F$\_$k$H!"e(Br20387 e$B$Ne(B  
|  
|Fri Nov 28 18:31:21 2008 Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
|  
| \* ext/socket/socket.c (sock\_s\_getaddrinfo): refactored to remove  
| code duplication regarding getaddrinfo.  
|  
|e$B$H$$$&JQ99$,860x$J$h$&$J$N$G$9$,!“5sF0$,JQ$o$C$F$7$^$C$F$$$ke(B  
|e$B$N$G!”%j%U%!%/%?%j%s%0$H$7$F$O\<:GT$G$O$J$$$G$7$g$&$+!#e(B

e$B$\*$C$7$c$kDL$j$@$H;W$$$^$9!#$,!"@hDx;d$N\<j85$G3NG’$7$?$H$3$me(B  
Ruby 1.8e$B$He(B1.9e$B$GF1$87k2L$K$J$j$^$7$?e(B

[[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 1, 6],  
[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 2, 17],  
[“AF\_INET”, 80, “[carbon.ruby-lang.org](http://carbon.ruby-lang.org)”, “221.186.184.68”, 2, 3, 0]]

e$B\<B9T$7$?$N$Oe(B

ruby 1.9.1 (2009-01-06 patchlevel-5000 trunk 21348) [i686-linux]

e$B$G$9$,!"$3$l$Oe(B

- e$B4D6-$K$h$C$F0[$J$ke(B
- e$BC/$+$,D\>$7$F$/$@$5$C$?e(B

e$B$N$$$:$l$+$G$7$g$&$+!#:G6ae(Bsocket.ce$B$K\<j$rF~$l$F$$$?$@$$$F$$$ke(B  
e$B$N$OEDCf$5$s$J$N$G$\_$:$+$iD\>$7$F$/$@$5$C$?$N$G$7$g$&$+!#;d$He(B  
e$BEDCf$5$s$G$O:#2s$OF1$8e(Bi686-linuxe$B$G$9$+$i!“4D6-0MB8$N2DG=@-$Oe(B  
e$BDc$$$N$G$9$,!”%i%$%V%i%j$=$NB\>$N%P!\<%8%g%s$N0c$$$J$I$b$"$k$+e(B  
e$B$b$7$l$^$;$s!#e(B

```
                            e$B$^$D$b$He(B e$B$f$-$R$me(B /:|)

```

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 8, 2009, 3:36am UTC](https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710/3 "2009-01-08T03:36:15Z")

</div>

e$B%A%1%C%He(B #987 e$B$,99?7$5$l$^$7$?!#e(B (by Yukihiro M.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

## fixed in r21278.

[http://redmine.ruby-lang.org/issues/show/987](http://redmine.ruby-lang.org/issues/show/987)

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 6, 2009, 11:13am UTC](https://www.ruby-forum.com/t/bug-trunk-socket-getaddrinfo-www-ruby-lang-org-80-returns-only-udp-information/156710/4 "2009-01-06T11:13:37Z")

</div>

In article [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid),  
Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

> - e$B4D6-$K$h$C$F0[$J$ke(B
> - e$BC/$+$,D\>$7$F$/$@$5$C$?e(B
> 
> e$B$N$$$:$l$+$G$7$g$&$+!#:G6ae(Bsocket.ce$B$K\<j$rF~$l$F$$$?$@$$$F$$$ke(B  
> e$B$N$OEDCf$5$s$J$N$G$\_$:$+$iD\>$7$F$/$@$5$C$?$N$G$7$g$&$+!#;d$He(B

e$B$O$$!"e(Br21278 e$B$GD\>$7$^$7$?!#e(B

r21278 | akr | 2009-01-02 23:36:39 +0900 (Fri, 02 Jan 2009) | 7 lines

- ext/socket/socket.c: don’t apply socktype hack [ruby-core:184] for  
sock\_s\_getaddrinfo.  
(sock\_getaddrinfo): add socktype\_hack argument.  
(sock\_addrinfo): call sock\_getaddrinfo with socktype\_hack.  
(sock\_s\_getaddrinfo): call sock\_getaddrinfo without socktype\_hack.  
[ruby-dev:37674]

e$B$H$$$&e(B log e$B$G$b?($l$F$"$j$^$9$,e(B [ruby-core:184]  
e$B$N:Y9)$N1F6Ae(B  
e$BHO0O$re(B Socket.getaddrinfo e$B$K$^$G9-$2$F$7$^$C$?$N$,\<:GT$H$$$&e(B  
e$B$3$H$G$9$+$M!#e(B

e$B$3$N:Y9)$Oe(B port e$B$,@0?t$@$C$?$ie(B socktype e$B$,L5;XDj$@$He(B  
(e$B4D6-$Ke(B  
e$B$h$C$Fe(B) Socket.sockaddr\_in e$B$G%(%i!\<$K$J$k$N$re(B SOCK\_DGRAM  
e$B$re(B  
e$B;XDj$7$FKI$0$H$$$&$b$N$G!"e(B  
e$B%(%i!\<$K$J$k$N$Oe(B

% grep 514 /etc/services  
shell 514/tcp  
syslog 514/udp

e$B$\_$?$$$J$“$$$^$$$J%1!\<%9$,$”$k$H$$$&$b$C$H$b$JM}M3$,$"$j!"e(B  
e$B%(%i!\<$rKI$0$N$b!“e(BSocket.sockaddr\_in e$B$Ge(B port  
e$B$,$9$G$K@0?t$@$Ce(B  
e$B$?$i$1$C$-$g$/LdBj$K$O$J$i$J$$$H$$$&$b$C$H$b$JM}M3$,$”$k$N$Ge(B  
e$B$9$,!"e(B  
Socket.getaddrinfo e$B$r8F$S=P$7$?;~$K$OM\>7W$J8f@$OC$H$$$&$o$1e(B  
e$B$G$9!#e(B