From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Live System User Newsgroups: gmane.emacs.bugs Subject: bug#29615: 25.2; DNS multiple addresses and `open-protocol-stream` Date: Fri, 08 Dec 2017 11:20:00 -0500 Message-ID: <87r2s5ry33.fsf@aol.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1512750073 12279 195.159.176.226 (8 Dec 2017 16:21:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 8 Dec 2017 16:21:13 +0000 (UTC) To: 29615@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Dec 08 17:21:05 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eNLOb-0002uf-0f for geb-bug-gnu-emacs@m.gmane.org; Fri, 08 Dec 2017 17:21:05 +0100 Original-Received: from localhost ([::1]:38005 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNLOi-0002nE-CF for geb-bug-gnu-emacs@m.gmane.org; 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a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1512750003; bh=FVwolkhW9ObV29Y2unAQ5YuCRJAYH7glUuHqMFBcJTQ=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=LwS5EXzNA2pBpoF+78ZnEjylgIZJD4TY9mAjvQoIxh8uYBBVWB7Dz9REuBnCbwa7T Qher+LJXfL5OrUTuxDNY9bkLnL1bC5iEraYx4TC4z3CUtu2poWm+l9H0MduPKxBZaA BMbh1j+KPBUgCagjOlLRpwNXgdmoEqLkNJXTvI6g= x-aol-sid: 3039ac1d1bcd5a2abbb20230 X-AOL-IP: 73.16.70.190 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:140823 Archived-At: Hi, I'm currently having a problem connecting to my IMAP server using Emacs although accessing my SMTP server (which has only 1 IP address) is working fine. While trying to connect to my IMAP server using GNUtls, I get the following error: Debugger entered--Lisp error: (error "aol/993 Name or service not known") make-network-process(:name "*nnimap*" :buffer # :host "aol" :service "993" :nowait nil) open-network-stream("*nnimap*" # "aol" "993") open-gnutls-stream("*nnimap*" # "aol" "993") network-stream-open-tls("*nnimap*" # "aol" "993" (:type ssl :warn-unless-encrypted t :return-list t :shell-command "ssh %s imapd" :capability-command "1 CAPABILITY.\n" :always-query-capabilities t :end-of-command ".\n" :success " OK " :starttls-function #[(capabilities) "\302\303\304.\305...#)\266\203\205..\306\207" [capabilities inhibit-changing-match-data "STARTTLS" nil t string-match "1 STARTTLS.\n"] 7])) open-protocol-stream("*nnimap*" # "aol" "993" :type ssl :warn-unless-encrypted t :return-list t :shell-command "ssh %s imapd" :capability-command "1 CAPABILITY.\n" :always-query-capabilities t :end-of-command ".\n" :success " OK " :starttls-function #[(capabilities) "\302\303\304.\305...#)\266\203\205..\306\207" [capabilities inhibit-changing-match-data "STARTTLS" nil t string-match "1 STARTTLS.\n"] 7]) nnimap-open-connection-1(#) nnimap-open-connection(#) nnimap-open-server("aol" ((nnimap-address "imap.aim.com") (nnimap-server-port 993) (nnimap-stream ssl) (nnimap-list-pattern ("*")) (nnimap-expunge-on-close (quote never)) (nnimap-expunge nil) (imap-default-user "nyc4bos") (nnimap-username "nyc4bos") (nnimap-user "nyc4bos") (nnir-search-engine imap))) gnus-open-server((nnimap "aol" (nnimap-address "imap.aim.com") (nnimap-server-port 993) (nnimap-stream ssl) (nnimap-list-pattern ("*")) (nnimap-expunge-on-close (quote never)) (nnimap-expunge nil) (imap-default-user "nyc4bos") (nnimap-username "nyc4bos") (nnimap-user "nyc4bos") (nnir-search-engine imap))) gnus-server-open-server("nnimap:aol") funcall-interactively(gnus-server-open-server "nnimap:aol") call-interactively(gnus-server-open-server nil nil) command-execute(gnus-server-open-server) At the exact same time I am trying to connect to my IMAP server using Emacs (GNUtls) and it fails, I am able to conect to the IMAP server from the command shell prompt: $ nslookup imap.aim.com Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: imap.aim.com canonical name = nginx.aol.com. nginx.aol.com canonical name = nginx.mx.aol.com.aol.akadns.net. Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.3.66 Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.0.66 Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.0.65 Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.0.97 Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.3.65 Name: nginx.mx.aol.com.aol.akadns.net Address: 152.163.0.98 $ telnet imap.aim.com 993 Trying 152.163.0.65... Connected to imap.aim.com. Escape character is '^]'. $ netstat -tulpan Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name cp 0 0 10.0.1.200:44712 152.163.0.65:993 ESTABLISHED 7262/telnet I think that problem might be related to the multiple address results returned by the resolver (DNS) and the interaction with the `open-protocol-stream' inner functions. Perhaps it's failing on one of the multiple resolved IP addresses found amd not trying the next resolved IP address that was returned (until the pool is exhausted) before giving up with the error "aol/993 Name or service not known"? Thanks. In GNU Emacs 25.2.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.20.10) of 2017-05-02 built on buildvm-17.phx2.fedoraproject.org Windowing system distributor 'Fedora Project', version 11.0.11803000 Configured using: 'configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-dbus --with-gif --with-jpeg --with-png --with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=gtk3 --with-gpm=no --with-xwidgets --with-modules build_alias=x86_64-redhat-linux-gnu host_alias=x86_64-redhat-linux-gnu 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic' LDFLAGS=-Wl,-z,relro PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES XWIDGETS Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent messages: Mark set [2 times] Opening connection to aol via tls... Unable to open server nnimap+aol due to: aol/993 Name or service not known is undefined mwheel-scroll: Beginning of buffer is undefined is undefined is undefined [3 times] Opening connection to aol via tls... Unable to open server nnimap+aol due to: aol/993 Name or service not known Load-path shadows: None found. Features: (cus-start cus-load nnagent nnml shadow emacsbug eieio-opt speedbar sb-image ezimage dframe find-func pp thingatpt mailalias smtpmail sendmail debug sort gnus-cite smiley ansi-color mail-extr gnus-async gnus-bcklg qp gnus-ml disp-table cursor-sensor nndraft nnmh nndoc mm-archive jka-compr timezone url-http url-gw url-cache url-auth url-handlers utf-7 rfc2104 nnfolder network-stream nsm starttls gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg nntp gnus-cache epa-file epa derived nnreddit mm-url url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util url-parse auth-source cl-seq eieio eieio-core cl-macs url-vars json map seq byte-opt bytecomp byte-compile cl-extra cconv gnus-art mm-uu mml2015 mm-view mml-smime smime dig mailcap cl gv sieve sieve-mode sieve-manage nnir gnus-sum gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source tls gnutls utf7 netrc parse-time gnus-spec gnus-int gnus-range message dired format-spec rfc822 mml mml-sec password-cache epg epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems wid-edit nnoo nnheader gnus-util mm-util help-fns help-mode easymenu cl-loaddefs pcase cl-lib mail-prsvr mail-utils misearch multi-isearch time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify dynamic-setting system-font-setting font-render-setting xwidget-internal move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 294988 48648) (symbols 48 125495 3) (miscs 40 227 604) (strings 32 107262 6973) (string-bytes 1 3683873) (vectors 16 28045) (vector-slots 8 936885 49380) (floats 8 426 1426) (intervals 56 1921 25) (buffers 976 64) (heap 1024 94191 33666))