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Desktop client fails to sync: timeout on PROPFIND /remote.php/webdav #6432

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tYYGH opened this issue Sep 10, 2017 · 3 comments
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Desktop client fails to sync: timeout on PROPFIND /remote.php/webdav #6432

tYYGH opened this issue Sep 10, 2017 · 3 comments

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@tYYGH
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tYYGH commented Sep 10, 2017 •
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Steps to reproduce

  1. Sync a first time after installing the Nextcloud client -> OK
  2. Reboot the PC, and let the Nextcloud client sync with the server -> KO

Expected behaviour

Sync works

Actual behaviour

The client asks for the password, and then times out while trying to sync, and displays:
“Aucune connexion au serveur Nextcloud à l’adresse https://yalis.fr/nc. Operation canceled” (French)
≃“No connection to the Nextcloud server at https://yalis.fr/nc. Operation canceled” (translated)

Server configuration

Operating system: up-to-date Arch Linux
Web server: nginx-mainline 1.13.4
Database: postgresql 9.6.5
PHP version: php 7.1.9
Nextcloud version: nextcloud 12.0.2

Updated from an older Nextcloud/ownCloud or fresh install: Updated from ownCloud 10
Where did you install Nextcloud from: Archlinux package

Signing status: https://yalis.fr/nc/index.php/settings/integrity/failed =>

No errors have been found.

List of activated apps: sudo -u cloud /usr/bin/env NEXTCLOUD_CONFIG_DIR=/etc/webapps/nextcloud/config /usr/bin/php ./occ app:list =>

Enabled:
  - calendar: 1.5.3
  - comments: 1.2.0
  - contacts: 1.5.3
  - dav: 1.3.0
  - deck: 0.2.2
  - drawio: 0.8.8
  - federatedfilesharing: 1.2.0
  - federation: 1.2.0
  - files: 1.7.2
  - files_external: 1.3.0
  - files_pdfviewer: 1.1.1
  - files_sharing: 1.4.0
  - files_texteditor: 2.4.1
  - files_trashbin: 1.2.0
  - files_versions: 1.5.0
  - files_videoplayer: 1.1.0
  - firstrunwizard: 2.1
  - flowupload: 0.0.5
  - gallery: 17.0.0
  - keeweb: 0.4.0
  - logreader: 2.0.0
  - lookup_server_connector: 1.0.0
  - mail: 0.7.2
  - nextcloud_announcements: 1.1
  - notes: 2.3.1
  - notifications: 2.0.0
  - oauth2: 1.0.5
  - ocsms: 1.12.1
  - ojsxc: 3.3.0
  - password_policy: 1.2.2
  - provisioning_api: 1.2.0
  - richdocuments: 1.12.34
  - serverinfo: 1.2.0
  - sharebymail: 1.2.0
  - spreed: 2.0.1
  - survey_client: 1.0.0
  - systemtags: 1.2.0
  - theming: 1.3.0
  - twofactor_backupcodes: 1.1.1
  - updatenotification: 1.2.0
  - user_ldap: 1.2.1
  - workflowengine: 1.2.0
Disabled:
  - activity
  - admin_audit
  - bruteforcesettings
  - encryption
  - rainloop
  - user_external

Nextcloud configuration: sudo -u cloud /usr/bin/env NEXTCLOUD_CONFIG_DIR=/etc/webapps/nextcloud/config /usr/bin/php ./occ config:list system =>

{
    "system": {
        "memcache.local": "\\OC\\Memcache\\APCu",
        "apps_paths": [
            {
                "path": "\/usr\/share\/webapps\/nextcloud\/apps",
                "url": "\/nc\/apps",
                "writable": false
            },
            {
                "path": "\/var\/lib\/nextcloud\/apps",
                "url": "\/nc\/xapps",
                "writable": true
            }
        ],
        "tempdirectory": "\/var\/tmp\/nextcloud",
        "overwritewebroot": "\/nc",
        "overwrite.cli.url": "https:\/\/yalis.fr\/nc",
        "skeletondirectory": "",
        "check_for_working_htaccess": false,
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "localhost",
            "yalis.fr"
        ],
        "datadirectory": "\/var\/lib\/nextcloud\/data",
        "dbtype": "pgsql",
        "version": "12.0.2.0",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "localhost:\/run\/postgres",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "\\OCA\\User_LDAP\\LDAPProviderFactory",
        "log.condition": [],
        "mail_domain": "yalis.fr",
        "filelocking.enabled": false,
        "log_type": "syslog",
        "mail_smtphost": "localhost",
        "mail_smtpmode": "smtp",
        "mail_smtpport": 25
    }
}

Are you using external storage, if yes which one: Yes, one local additional storage
Are you using encryption: no
Are you using an external user-backend, if yes which one: Yes, LDAP

LDAP configuration

sudo -u cloud /usr/bin/env NEXTCLOUD_CONFIG_DIR=/etc/webapps/nextcloud/config /usr/bin/php ./occ ldap:show-config =>

+-------------------------------+--------------------------------------------+
| Configuration                 | s01                                        |
+-------------------------------+--------------------------------------------+
| hasMemberOfFilterSupport      |                                            |
| hasPagedResultSupport         |                                            |
| homeFolderNamingRule          |                                            |
| lastJpegPhotoLookup           | 0                                          |
| ldapAgentName                 |                                            |
| ldapAgentPassword             | ***                                        |
| ldapAttributesForGroupSearch  |                                            |
| ldapAttributesForUserSearch   |                                            |
| ldapBackupHost                |                                            |
| ldapBackupPort                |                                            |
| ldapBase                      | dc=yalis,dc=fr                             |
| ldapBaseGroups                | ou=Groups,dc=yalis,dc=fr                   |
| ldapBaseUsers                 | ou=Users,dc=yalis,dc=fr                    |
| ldapCacheTTL                  | 600                                        |
| ldapConfigurationActive       | 1                                          |
| ldapDefaultPPolicyDN          |                                            |
| ldapDynamicGroupMemberURL     |                                            |
| ldapEmailAttribute            |                                            |
| ldapExperiencedAdmin          | 0                                          |
| ldapExpertUUIDGroupAttr       | cn                                         |
| ldapExpertUUIDUserAttr        | uid                                        |
| ldapExpertUsernameAttr        |                                            |
| ldapGidNumber                 | gidNumber                                  |
| ldapGroupDisplayName          | cn                                         |
| ldapGroupFilter               | (&(|(objectclass=posixGroup)))             |
| ldapGroupFilterGroups         |                                            |
| ldapGroupFilterMode           | 0                                          |
| ldapGroupFilterObjectclass    | posixGroup                                 |
| ldapGroupMemberAssocAttr      | gidNumber                                  |
| ldapHost                      | ldapi://%2Frun%2Fback%2Fldapi/             |
| ldapIgnoreNamingRules         |                                            |
| ldapLoginFilter               | (&(|(objectclass=posixAccount))(uid=%uid)) |
| ldapLoginFilterAttributes     |                                            |
| ldapLoginFilterEmail          | 0                                          |
| ldapLoginFilterMode           | 0                                          |
| ldapLoginFilterUsername       | 1                                          |
| ldapNestedGroups              | 0                                          |
| ldapOverrideMainServer        |                                            |
| ldapPagingSize                | 500                                        |
| ldapPort                      | 7636                                       |
| ldapQuotaAttribute            |                                            |
| ldapQuotaDefault              |                                            |
| ldapTLS                       | 0                                          |
| ldapUserDisplayName           | cn                                         |
| ldapUserDisplayName2          |                                            |
| ldapUserFilter                | (|(objectclass=posixAccount))              |
| ldapUserFilterGroups          |                                            |
| ldapUserFilterMode            | 0                                          |
| ldapUserFilterObjectclass     | posixAccount                               |
| ldapUuidGroupAttribute        | auto                                       |
| ldapUuidUserAttribute         | auto                                       |
| turnOffCertCheck              | 0                                          |
| turnOnPasswordChange          | 1                                          |
| useMemberOfToDetectMembership | 1                                          |
+-------------------------------+--------------------------------------------+

Client configuration

Client: nextcloud-client-git-nokde 231.eb3bba6
I also tried with nextcloud-client 2.3.2
Operating system: up-to-date Arch Linux

Logs

Web server error log

None

Nextcloud log (data/nextcloud.log)

sept. 10 13:15:05 sphinx3 ownCloud[8414]: {PHP} inet_pton(): Unrecognized address unix: at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#69
sept. 10 13:15:05 sphinx3 ownCloud[8414]: {PHP} inet_ntop(): Invalid in_addr value at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#77
sept. 10 13:15:18 sphinx3 ownCloud[8548]: {PHP} inet_pton(): Unrecognized address unix: at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#69
sept. 10 13:15:18 sphinx3 ownCloud[8548]: {PHP} inet_ntop(): Invalid in_addr value at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#77
sept. 10 13:15:35 sphinx3 ownCloud[8414]: {user_ldap} Bind failed: 49: Invalid credentials
sept. 10 13:15:35 sphinx3 ownCloud[8414]: {user_ldap} Bind failed: 49: Invalid credentials
sept. 10 13:15:35 sphinx3 ownCloud[8414]: {core} Login failed: 'yves' (Remote IP: 'unix:')
sept. 10 13:15:35 sphinx3 ownCloud[8414]: {PHP} inet_pton(): Unrecognized address unix: at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#69
sept. 10 13:15:35 sphinx3 ownCloud[8414]: {PHP} inet_ntop(): Invalid in_addr value at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#77
sept. 10 13:16:10 sphinx3 ownCloud[8563]: {PHP} inet_pton(): Unrecognized address unix: at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#69
sept. 10 13:16:10 sphinx3 ownCloud[8563]: {PHP} inet_ntop(): Invalid in_addr value at /usr/share/webapps/nextcloud/lib/private/Security/Normalizer/IpAddress.php#77

The above log lines seem to indicate a password problem. However, the same user+password works perfectly in the Web UI, although I find the login phase rather long (response times are OK after that).
@tYYGH
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tYYGH commented Sep 10, 2017

Might be related to #3645 and #3762…

@tYYGH
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tYYGH commented Sep 11, 2017

Good news! I have been too quick in dismissing the “Login failed” log line. As I said, the user and password I gave are correct; however, the “Remote IP: 'unix:'” is the culprit and wreaks havoc in Nextcloud.

If anyone encounters this problem, in my case it lied in Nginx config. I wrongly assumed that a Unix socket was identified as localhost; that’s not the case. So I had to change from this:

listen unix:/run/https+.pp proxy_protocol;
set_real_ip_from 127.0.0.0/8;
set_real_ip_from ::1;
real_ip_header proxy_protocol;

to this:

listen unix:/run/https+.pp proxy_protocol;
set_real_ip_from unix:;
real_ip_header proxy_protocol;

Now it works perfectly, and fast!

@tYYGH tYYGH closed this as completed Sep 11, 2017
@wiyh12nf89x wiyh12nf89x mentioned this issue Jun 14, 2018
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@kissgyorgy
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This solved my problem too! Thanks.

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@kissgyorgy @tYYGH