Vasco Freire created GUACAMOLE-2189:
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Summary: Timezone redirection is not working
Key: GUACAMOLE-2189
URL: https://issues.apache.org/jira/browse/GUACAMOLE-2189
Project: Guacamole
Issue Type: Bug
Affects Versions: 1.6.0
Environment: Docker container started through the following script:
$env:MARIADB_ROOT_PASSWORD = "EXAMPLE_ROOT_PASSWORD"
$env:MARIADB_PASSWORD = "EXAMPLE_PASSWORD"
$env:DB_PATH = "$env:USERPROFILE\guac_docker_db"
docker pull guacamole/guacd
docker pull guacamole/guacamole
docker pull mariadb
docker run --rm guacamole/guacamole `
/opt/guacamole/bin/initdb.sh --mysql `
| Out-File -Encoding UTF8 guac-initdb.sql
docker network create guacnet 2>$null
docker run -d --name guacamoledb `
--network guacnet `
-e MARIADB_ROOT_PASSWORD=$env:MARIADB_ROOT_PASSWORD `
-e MARIADB_DATABASE=guac `
-e MARIADB_USER=guac `
-e MARIADB_PASSWORD=$env:MARIADB_PASSWORD `
-v "$env:DB_PATH:/var/lib/mysql" `
mariadb
$maxAttempts = 10
$attempt = 0
$ready = $false
while (-not $ready -and $attempt -lt $maxAttempts) {
$attempt++
Start-Sleep -Seconds 2
$healthCheck = docker exec guacamoledb mariadb -u root
-p"$env:MARIADB_ROOT_PASSWORD" -e "SELECT 1;" 2>$null
if ($LASTEXITCODE -eq 0) {
$ready = $true
Write-Host "MariaDB is ready!"
} else {
Write-Host " Attempt $attempt/$maxAttempts - Waiting..."
}
}
if (-not $ready) {
Write-Host "ERROR: MariaDB failed to start within 60 seconds"
-ForegroundColor Red
exit 1
}
docker cp guac-initdb.sql guacamoledb:/initdb.sql
docker exec guacamoledb bash -c `
"mariadb -u root -p$env:MARIADB_ROOT_PASSWORD guac < /initdb.sql"
docker run -d --name guacd `
--network guacnet `
guacamole/guacd
docker run -d --name guacamole `
--network guacnet `
-e GUACD_HOSTNAME=guacd `
-e MYSQL_HOSTNAME=guacamoledb `
-e MYSQL_DATABASE=guac `
-e MYSQL_USER=guac `
-e MYSQL_PASSWORD=$env:MARIADB_PASSWORD `
-p 8080:8080 `
guacamole/guacamole
Reporter: Vasco Freire
After logging into my Windows 2022 RDP server through guacamole's RDP, I
noticed that the timezone of the remote server is the system timezone instead
of the timezone I have configured in my preferences. I've enabled timezone
redirection in the windows registry and I've confirmed that guacamole is
sending the correct timezone as it is included in the websocket's connect
request payload:
{code:java}
...
GUAC_DPI: 129
GUAC_TIMEZONE: Europe/Berlin
...{code}
>From looking at the source code and reading the improvement's issue
>https://issues.apache.org/jira/browse/GUACAMOLE-422, I gathered that the
>implementation is dependent on how FreeRDP handles the client timezone since
>there was no apparent API call to change it, with the solution being to set
>the "TZ" environment variable. However, this doesn’t seem to work in either
>FreeRDP 2.11 (default FreeRDP on {{guacd}} docker container) or FreeRDP 3.17
>(recent release).
It looks like the situation changed with commit
[https://github.com/FreeRDP/FreeRDP/commit/fc21b828805bcabe06d36e77e229a4ccb5bf32b7],
which allows the client timezone to be overridden. However, this may have
broken the existing implementation, because the client timezone is now
initialized during settings initialization, therefore by the time guacamole
tries to set it, it’s already too late.
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