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* contrib/selinux: Allow binding and connecting to all UDP and TCP portsStefano Brivio2023-03-091-12/+15
| | | | | | | | | | | | | | | | | | | | | Laine reports that with a simple: <portForward proto='tcp'> <range start='2022' to='22'/> </portForward> in libvirt's domain XML, passt won't start as it fails to bind arbitrary ports. That was actually the intention behind passt_port_t: the user or system administrator should have explicitly configured allowed ports on a given machine. But it's probably not realistic, so just allow any port to be bound and forwarded. Also fix up some missing operations on sockets. Reported-by: Laine Stump <laine@redhat.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Tested-by: Laine Stump <laine@redhat.com> Reviewed-by: Laine Stump <laine@redhat.com>
* contrib/selinux: Let passt write to stdout and stderr when it startsStefano Brivio2023-03-091-0/+1
| | | | | | | | | | Otherwise, it's unusable as stand-alone tool, or in foreground mode, and it's also impossible to get output from --help or --version, because for SELinux it's just a daemon. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Tested-by: Laine Stump <laine@redhat.com> Reviewed-by: Laine Stump <laine@redhat.com>
* contrib/selinux: Drop duplicate init_daemon_domain() ruleStefano Brivio2023-03-091-1/+0
| | | | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Tested-by: Laine Stump <laine@redhat.com> Reviewed-by: Laine Stump <laine@redhat.com>
* selinux/passt.te: Allow setting socket option on routing netlink socketStefano Brivio2023-02-211-1/+1
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* selinux/passt.te: Allow /etc/resolv.conf symlinks to be followedStefano Brivio2023-02-211-0/+1
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* selinux/passt.te: Allow setcap on the process itselfStefano Brivio2023-02-211-0/+1
| | | | | | | This is needed by the new functions in isolate.c, add the corresponding rule. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* selinux: Switch to a more reasonable model for PID and socket filesStefano Brivio2023-02-212-5/+7
| | | | | | | | Instead of restricting PID files to /var/run/passt.pid, which is a single file and unlikely to be used, use the user_tmp_t type which should cover any reasonable need. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* selinux: Define interfaces for libvirt and similar frameworksStefano Brivio2023-02-212-0/+27
| | | | | | | | | | Services running passt will commonly need to transition to its domain, terminate it, connect and write to its socket. The init_daemon_domain() macro now defines the default transition to the passt_t domain, using the passt_exec_t type. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* selinux/passt.if: Fix typo in passt_read_data interface definitionStefano Brivio2023-02-211-1/+1
| | | | | | | | | This is an example interface, currently unused, so it went undetected: m4 macros need a backtick at the beginning of a block instead of a single quote. Fixes: 1f4b7fa0d75d ("passt, pasta: Add examples of SELinux policy modules") Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* passt, pasta: Add examples of SELinux policy modulesStefano Brivio2022-03-296-0/+362
These should cover any reasonably common use case in distributions. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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