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container: Add workarounds for Podman Desktop support on Windows

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In case we run on Windows and use Podman Desktop (for which we currently
offer experimental support), we must not pass some Podman flags in order
to avoid conversion errors.

Refs #1127
This commit is contained in:
Alex Pyrgiotis 2025-04-07 16:53:34 +03:00
parent 47d732e603
commit 10be85b9f2
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1 changed files with 17 additions and 2 deletions
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19
dangerzone/isolation_provider/container.py
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@ -56,7 +56,14 @@ class Container(IsolationProvider):
security_args = ["--log-driver", "none"]
security_args += ["--security-opt", "no-new-privileges"]
if container_utils.get_runtime_version() >= (4, 1):
security_args += ["--userns", "nomap"]
# We perform a platform check to avoid the following Podman Desktop
# error on Windows:
#
# Error: nomap is only supported in rootless mode
#
# See also: https://github.com/freedomofpress/dangerzone/issues/1127
if platform.system() != "Windows":
security_args += ["--userns", "nomap"]
else:
security_args = ["--security-opt=no-new-privileges:true"]
@ -67,7 +74,15 @@ class Container(IsolationProvider):
# [1] https://github.com/freedomofpress/dangerzone/issues/846
# [2] https://github.com/containers/common/blob/d3283f8401eeeb21f3c59a425b5461f069e199a7/pkg/seccomp/seccomp.json
seccomp_json_path = str(get_resource_path("seccomp.gvisor.json"))
security_args += ["--security-opt", f"seccomp={seccomp_json_path}"]
# We perform a platform check to avoid the following Podman Desktop
# error on Windows:
#
# Error: opening seccomp profile failed: open
# C:\[...]\dangerzone\share\seccomp.gvisor.json: no such file or directory
#
# See also: https://github.com/freedomofpress/dangerzone/issues/1127
if runtime.name == "podman" and platform.system() != "Windows":
security_args += ["--security-opt", f"seccomp={seccomp_json_path}"]
security_args += ["--cap-drop", "all"]
security_args += ["--cap-add", "SYS_CHROOT"]