https://github.com/matsumotory/mruby-capability

mruby-capability
https://github.com/matsumotory/mruby-capability

Last synced: about 2 months ago
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mruby-capability

• Host: GitHub
• URL: https://github.com/matsumotory/mruby-capability
• Owner: matsumotory
• Created: 2013-02-15T15:50:51.000Z (almost 12 years ago)
• Default Branch: master
• Last Pushed: 2017-09-13T03:09:52.000Z (over 7 years ago)
• Last Synced: 2024-10-18T18:27:19.568Z (3 months ago)
• Language: C
• Size: 35.2 KB
• Stars: 8
• Watchers: 3
• Forks: 5
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# Linux Capability Class for mruby

- mruby linux capability class.

## install by mrbgems

 - add conf.gem line to `build_config.rb`

```ruby

MRuby::Build.new do |conf|

    # ... (snip) ...

    conf.gem :git => 'https://github.com/matsumoto-r/mruby-capability.git'

end

```

## example

```ruby

 #

 # Set identifiers

 #

 # CAP_EFFECTIVE   0

 # CAP_PERMITTED   1

 # CAP_INHERITABLE 2

 #

 # These are the states available to each capability

 #

 # CAP_CLEAR 0

 # CAP_SET   1

 #

 # POSIX-draft defined capabilities.

 #

 # CAP_CHOWN             0

 # CAP_DAC_OVERRIDE      1

 # CAP_DAC_READ_SEARCH   2

 # CAP_FOWNER            3

 # CAP_FSETID            4

 # CAP_KILL              5

 # CAP_SETGID            6

 # CAP_SETUID            7

 # CAP_SETPCAP           8

 # CAP_LINUX_IMMUTABLE   9

 # CAP_NET_BIND_SERVICE  10

 # CAP_NET_BROADCAST     11

 # CAP_NET_ADMIN         12

 # CAP_NET_RAW           13

 # CAP_IPC_LOCK          14

 # CAP_IPC_OWNER         15

 # CAP_SYS_MODULE        16

 # CAP_SYS_RAWIO         17

 # CAP_SYS_CHROOT        18

 # CAP_SYS_PTRACE        19

 # CAP_SYS_PACCT         20

 # CAP_SYS_ADMIN         21

 # CAP_SYS_BOOT          22

 # CAP_SYS_NICE          23

 # CAP_SYS_RESOURCE      24

 # CAP_SYS_TIME          25

 # CAP_SYS_TTY_CONFIG    26

 # CAP_MKNOD             27

 # CAP_LEASE             28

 # CAP_AUDIT_WRITE       29

 # CAP_AUDIT_CONTROL     30

 # CAP_SETFCAP           31

 # CAP_MAC_OVERRIDE      32

 # CAP_MAC_ADMIN         33

 # CAP_SYSLOG            34

 # CAP_WAKE_ALARM        35

 # CAP_BLOCK_SUSPEND     36

 # CAP_COMPROMISE_KERNEL 37

 #

 c = Capability.new

 cap = [ Capability::CAP_SETUID, Capability::CAP_SETGID ]

 # get cap from own thread into instance

 c.set Capability::CAP_PERMITTED, cap

 c.set_flag Capability::CAP_EFFECTIVE, cap, Capability::CAP_SET

 # change uid gid by not root user

 c.get_proc

 c.clear Capability::CAP_EFFECTIVE, cap

 c.set_flag Capability::CAP_PERMITTED, cap, Capability::CAP_CLEAR

 ```

 

## Code formatting

We use clang-format with [the configuration](https://github.com/matsumoto-r/mruby-capability/blob/master/.clang-format).

```

clang-format -i src/mrb_capability.c

```

# License

under the MIT License:

* http://www.opensource.org/licenses/mit-license.php