| Commit message (Collapse) | Author | Age |
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Add the ability to cross-compile podman remote for OSX.
Also, add image exists and tag to remote-client.
Signed-off-by: baude <bbaude@redhat.com>
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Add the possibility to join directly the user and mount namespace
without looking up the parent of the user namespace.
We need this in order to be able the conmon process, as the mount
namespace is kept alive only there.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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it was reported on IRC that Podman on Ubuntu failed as
newuidmap/newgidmap were not installed by default.
Raise an error if we are not allowing single mappings (used only by
the tests suite) and any of the binaries is not present.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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we are calling this function several times, it is worth to store its
result and re-use it.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Need to return an error pointing user in right direction if rootless podman
fails, because of no /etc/subuid or /etc/subgid files.
Also fix up man pages to better describe rootless podman.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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the issue is caused by the Go Runtime that messes up with the process
signals, overriding SIGSETXID and SIGCANCEL which are used internally
by glibc. They are used to inform all the threads to update their
stored uid/gid information. This causes a hang on the set*id glibc
wrappers since the handler installed by glibc is never invoked.
Since we are running with only one thread, we don't really need to
update other threads or even the current thread as we are not using
getuid/getgid before the execvp.
Closes: https://github.com/containers/libpod/issues/1625
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Most container images assume there are at least 65536 UIDs/GIDs
available. Raise an error if there are not enough IDs allocated to
the current user.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1520
Approved by: rhatdan
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1507
Approved by: rhatdan
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1507
Approved by: rhatdan
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change the tests to use chroot to set a numeric UID/GID.
Go syscall.Credential doesn't change the effective UID/GID of the
process.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1372
Approved by: mheon
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1371
Approved by: rhatdan
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1371
Approved by: rhatdan
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Manage the case where the main process of the container creates and
joins a new user namespace.
In this case we want to join only the first child in the new
hierarchy, which is the user namespace that was used to create the
container.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1331
Approved by: rhatdan
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We cannot re-exec into a new user namespace to gain privileges and
access an existing as the new namespace is not the owner of the
existing container.
"unshare" is used to join the user namespace of the target container.
The current implementation assumes that the main process of the
container didn't create a new user namespace.
Since in the setup phase we are not running with euid=0, we must skip
the setup for containers/storage.
Closes: https://github.com/containers/libpod/issues/1329
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1331
Approved by: rhatdan
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Lookup the current username by UID if the USER env variable is not
set.
Reported in: https://github.com/projectatomic/libpod/issues/1092
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1217
Approved by: rhatdan
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Closes: #1206
Approved by: giuseppe
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It is required only when directly configuring the user namespace.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1200
Approved by: rhatdan
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Closes: https://github.com/projectatomic/libpod/issues/1189
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Most images won't work without multiple ids/gids. Error out
immediately if there are no multiple ids available.
The error code when the user is not present in /etc/sub{g,u}id looks
like:
$ bin/podman run --rm -ti alpine echo hello
ERRO[0000] No subuid ranges found for user "gscrivano"
Closes: https://github.com/projectatomic/libpod/issues/1087
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1097
Approved by: rhatdan
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rootless: unshare mount namespace
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unshare the mount namespace as well when creating an user namespace so
that we are the owner of the mount namespace and we can mount FUSE
file systems on Linux 4.18. Tested on Fedora Rawhide:
podman --storage-opt overlay.fuse_program=/usr/bin/fuse-overlayfs run alpine echo hello
hello
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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use execvp instead of exec so that we keep the PATH environment
variable and the lookup for the "podman" executable works.
Closes: https://github.com/projectatomic/libpod/issues/1070
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1072
Approved by: mheon
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The files were split apart by b96be3af (changes to allow for darwin
compilation, 2018-06-20, #1015), but the C import and two functions
left in rootless.go are all Linux-specific as well. This commit moves
all of the pre-b96be3af rootless.go into rootless_linux.go, just
adding the '// +build linux' header (b96be3af also scrambled the + in
that header) and keeping the new GetRootlessUID from a1545fe6
(rootless: add function to retrieve the original UID, 2018-07-05, #1048).
Signed-off-by: W. Trevor King <wking@tremily.us>
Closes: #1034
Approved by: baude
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this should represent the last major changes to get darwin to **compile**. again,
the purpose here is to get darwin to compile so that we can eventually implement a
ci task that would protect against regressions for darwin compilation.
i have left the manual darwin compilation largely static still and in fact now only
interject (manually) two build tags to assist with the build. trevor king has great
ideas on how to make this better and i will defer final implementation of those
to him.
Signed-off-by: baude <bbaude@redhat.com>
Closes: #1047
Approved by: rhatdan
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After we re-exec in the userNS os.Getuid() returns the new UID (= 0)
which is not what we want to use.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #1048
Approved by: mheon
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Signed-off-by: baude <bbaude@redhat.com>
Closes: #1015
Approved by: baude
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Additional groups are not allowed in an userNS.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #936
Approved by: rhatdan
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When running podman as non root user always create an userNS and let
the OCI runtime use it.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Closes: #936
Approved by: rhatdan
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