dismod: add --actions option to use dispol in non-interactive way

[masatake]

Example session:

$ ./dismod --help
Usage:
 ./dismod [OPTIONS] binary_pol_file

Options:
 -h, --help              print this help message
 -a, --actions ACTIONS   run non-interactively

Actions:
  1    display unconditional AVTAB
  2    display conditional AVTAB
  3    display users
  4    display bools
  5    display roles
  6    display types, attributes, and aliases
  7    display role transitions
  8    display role allows
  9    Display policycon
  0    Display initial SIDs
  a    Display avrule requirements
  b    Display avrule declarations
  c    Display policy capabilities
  u    Display the unknown handling setting
  F    Display filename_trans rules

$ ./dismod --actions 16 input.mod
Reading policy...
libsepol.policydb_index_others: security:  0 users, 1 roles, 2 types, 0 bools
libsepol.policydb_index_others: security: 0 sens, 0 cats
libsepol.policydb_index_others: security:  1 classes, 0 rules, 0 cond rules
libsepol.policydb_index_others: security:  0 users, 1 roles, 2 types, 0 bools
libsepol.policydb_index_others: security: 0 sens, 0 cats
libsepol.policydb_index_others: security:  1 classes, 0 rules, 0 cond rules
Binary policy module file loaded.
Module name: input
Module version: 1.0.0
Policy version: 21

unconditional avtab:
--- begin avrule block ---
decl 1:
  allow [httpd_t] [http_port_t] : [tcp_socket] { name_bind };

 [http_port_t] [2]: type flags:0
 [httpd_t] [1]: type flags:0

[bachradsusi]

Thanks for the patches. Please send them to selinux@vger.selinux.org for review when you are ready, see https://github.com/SELinuxProject/selinux/blob/master/CONTRIBUTING.md If you, for any reason, can't send it I could do it for you.

[masatake]

Thank you. I have just sent the changes to the mailing list. I changed the commit log messages are a bit before sending. My changes may be handled on the mailing list. So I close this pull request.