Patches #94
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Patches #94
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"sestatus -v" uses /proc/$PID/exe symbolic link in order to find the
context of processes present in /etc/sestatus.conf. For example, this
file includes "/usr/sbin/sshd".
On Arch Linux, /bin, /sbin and /usr/sbin are symbolic links to /usr/bin,
so sshd process is seen as "/usr/bin/sshd" instead of "/usr/sbin/sshd".
This causes "sestatus -v" to show nothing in "Process contexts:" for
sshd, agetty, etc.
Use realpath() to resolve any symlink components in program paths
defined in /etc/sestatus.conf. This makes "sestatus -v" show the
expected result:
Process contexts:
Current context: sysadm_u:sysadm_r:sysadm_t
Init context: system_u:system_r:init_t
/sbin/agetty system_u:system_r:getty_t
/usr/sbin/sshd system_u:system_r:sshd_t
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
clang's static analyzer reports a potential memory leak because the buffers allocated in pc and fc are not freed in main(), in sestatus.c. Free these buffers properly. Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
When split_args() calls append_arg(), the returned value needs to be
checked in order to detect memory allocation failure. Checks were
missing in two places, which are spotted by clang's static analyzer:
semanage_store.c:1352:7: warning: Value stored to 'rc' is never
read
rc = append_arg(&argv, &num_args, arg);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
semanage_store.c:1368:3: warning: Value stored to 'rc' is never read
rc = append_arg(&argv, &num_args, arg);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
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