Launchpad has imported 2 comments from the remote bug at https://sourceware.org/bugzilla/show_bug.cgi?id=14969.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2012-12-17T17:08:20+00:00 Psimerda wrote: getaddrinfo() with AI_ADDRCONFIG replaces all ::1 with 127.0.0.1 on hosts without non-loopback IPv6 addresses. See the following test result: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether f0:de:f1:b8:6a:ee brd ff:ff:ff:ff:ff:ff inet 84.246.161.88/28 brd 84.246.161.95 scope global eth0 getaddrinfo host="None" hints.ai_flags=AI_ADDRCONFIG: ::1 127.0.0.1 getaddrinfo host="localhost" hints.ai_flags=AI_ADDRCONFIG: 127.0.0.1 127.0.0.1 getaddrinfo host="127.0.0.1" hints.ai_flags=AI_ADDRCONFIG: 127.0.0.1 getaddrinfo host="localhost4" hints.ai_flags=AI_ADDRCONFIG: 127.0.0.1 getaddrinfo host="::1" hints.ai_flags=AI_ADDRCONFIG: ::1 getaddrinfo host="localhost6" hints.ai_flags=AI_ADDRCONFIG: 127.0.0.1 getaddrinfo host="195.47.235.3" hints.ai_flags=AI_ADDRCONFIG: 195.47.235.3 getaddrinfo host="2a02:38::1001" hints.ai_flags=AI_ADDRCONFIG: 2a02:38::1001 getaddrinfo host="info.nix.cz" hints.ai_flags=AI_ADDRCONFIG: 195.47.235.3 getaddrinfo host="www.google.com" hints.ai_flags=AI_ADDRCONFIG: 173.194.39.81 173.194.39.82 173.194.39.80 173.194.39.84 173.194.39.83 Especially notable are: getaddrinfo(localhost) -> 127.0.0.1, 127.0.0.1 (duplicate) getaddrinfo(localhost6) -> 127.0.0.1 (wrong) Contents of /etc/hosts: 127.0.0.1 localhost localhost4 ::1 localhost localhost6 Looks like some sort of black magic someone was trying to solve something. Reply at: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/582585/comments/2 ------------------------------------------------------------------------ On 2012-12-17T17:09:23+00:00 Psimerda wrote: Testing script: #!/usr/bin/python3 import sys from socket import * hosts = [ None, "localhost", "127.0.0.1", "localhost4", "::1", "localhost6", "195.47.235.3", "2a02:38::1001", "info.nix.cz", "www.google.com", ] for host in hosts: print("getaddrinfo host=\"{}\" hints.ai_flags=AI_ADDRCONFIG:".format(host)) try: for item in getaddrinfo(host, "http", AF_UNSPEC, SOCK_STREAM, SOL_TCP, AI_ADDRCONFIG): print(" {}".format(item[4][0])) except gaierror as error: print(" !! {} !!".format(error)) Reply at: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/582585/comments/3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/582585 Title: getaddrinfo() returns duplicate addresses under AI_ADDRCONFIG To manage notifications about this bug go to: https://bugs.launchpad.net/eglibc/+bug/582585/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
