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CryptoBoxRootActions

* improve structure
 * allow to distinguish betweeen "execution return failure" and "program does not exist"
master
lars 14 years ago
parent
commit
ecf056709e
  1. 36
      bin/CryptoBoxRootActions
  2. 10
      man/CryptoBoxRootActions.8

36
bin/CryptoBoxRootActions

@ -35,6 +35,14 @@ Syntax:
plugin PLUGIN_NAME [ARGS]
- call a root_action script of a plugin
Exitcodes:
0 - execution was ok
1 - the executed program or action returned a failure exitcode
100 - improper calling or misconfiguration
of CryptoBoxRootAction (wrong arguments, wrong uid)
101 - failed to execute the given program - maybe it does not exist?
For more detailed information take a look at the manpage:
"man CryptoBoxRootActions"
"""
@ -456,13 +464,13 @@ def getUserInfo(user):
# prevent import
if __name__ == "__main__":
# do we have root privileges (effective uid is zero)?
## do we have root privileges (effective uid is zero)?
if os.geteuid() != 0:
sys.stderr.write("the effective uid is not zero - you should use " \
+ "'super' to call this script (%s)" % sys.argv[0])
sys.exit(100)
# remove program name
## remove program name
args = sys.argv[1:]
# do not allow to use root permissions (real uid may not be zero)
@ -470,23 +478,29 @@ if __name__ == "__main__":
# sys.stderr.write("the uid of the caller is zero (root) - this is not allowed\n")
# sys.exit(100)
# check if there were arguments
## check if there were arguments
if (len(args) == 0):
sys.stderr.write("No arguments supplied\n")
sys.exit(100)
# did the user call the "check" action?
## did the user call the "check" action?
if (len(args) == 1) and (args[0].lower() == "check"):
# exit silently
sys.exit(0)
## all of the following actions require at least two arguments
if len(args) < 2:
sys.stderr.write("No program/plugin/event specified for execution\n")
sys.exit(100)
## call a plugin root_action script
if args[0].lower() == "plugin":
del args[0]
try:
isOK = call_plugin(args)
except Exception, errMsg:
sys.stderr.write("Execution of plugin failed: %s\n" % errMsg)
sys.stderr.write("Execution of plugin '%s' failed: %s\n" \
% (args[0], errMsg))
sys.exit(100)
if isOK:
sys.exit(0)
@ -499,7 +513,8 @@ if __name__ == "__main__":
try:
isOK = call_event(args)
except Exception, errMsg:
sys.stderr.write("Execution of event script failed: %s\n" % errMsg)
sys.stderr.write("Execution of event '%s' failed: %s\n" \
% (args[0], errMsg))
sys.exit(100)
if isOK:
sys.exit(0)
@ -510,9 +525,6 @@ if __name__ == "__main__":
if args[0].lower() == "program":
del args[0]
if len(args) < 1:
sys.stderr.write("No program specified for execution\n")
sys.exit(100)
progRequest = args[0]
del args[0]
@ -533,7 +545,9 @@ if __name__ == "__main__":
sys.exit(0)
else:
sys.exit(1)
except "WrongArguments", errstr:
except OSErrror, errstr:
sys.stderr.write("Execution failed: %s\n" % errstr)
sys.exit(101)
except "WrongArguments", errstr:
sys.stderr.write("Invalid arguments: %s\n" % errstr)
sys.exit(100)

10
man/CryptoBoxRootActions.8

@ -82,6 +82,16 @@ The directory of the script must also contain a file called
Very few selected programs may be called via CryptoBoxRootActions. Examples
are \fBcryptsetup\fR and \fBmount\fR. Refer to the source of
CryptoBoxRootActions for details.
.SH EXIT CODES
The program can return the following exit codes:
.TP
\fI0\fR - the action finished successfully
.TP
\fI1\fR - the executed action returned a failure code (exit code > 0)
.TP
\fI100\fR - improper calling or misconfiguration (wrong arguments, wrong uid, ...)
.TP
\fI101\fR - failed to execute the given program (maybe it does not exist?)
.SH AUTHOR
Written by Lars Kruse
.SH REPORTING BUGS

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