- Update to upstream
- Merged my latest fixes - Fix cups policy to handle unix domain sockets
This commit is contained in:
Daniel J Walsh
parent
fbec4b5191
commit
575aa98fb7
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@ -46,3 +46,4 @@ serefpolicy-2.2.18.tgz
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serefpolicy-2.2.19.tgz
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serefpolicy-2.2.20.tgz
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serefpolicy-2.2.21.tgz
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serefpolicy-2.2.22.tgz
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283
policygentool
283
policygentool
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@ -21,64 +21,140 @@
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#
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#
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import os, sys, getopt
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import seobject
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import re
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########################### Interface File #############################
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interface="\n\
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## <summary>policy for TEMPLATETYPE</summary>\n\
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\n\
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########################################\n\
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## <summary>\n\
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## Execute a domain transition to run TEMPLATETYPE.\n\
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## </summary>\n\
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## <param name=\"domain\">\n\
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## Domain allowed to transition.\n\
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## </param>\n\
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#\n\
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interface(`TEMPLATETYPE_domtrans',`\n\
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gen_requires(`\n\
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type TEMPLATETYPE_t, TEMPLATETYPE_exec_t;\n\
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')\n\
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\n\
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domain_auto_trans($1,TEMPLATETYPE_exec_t,TEMPLATETYPE_t)\n\
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\n\
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allow $1 TEMPLATETYPE_t:fd use;\n\
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allow TEMPLATETYPE_t $1:fd use;\n\
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allow TEMPLATETYPE_t:$1:fifo_file rw_file_perms;\n\
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allow TEMPLATETYPE_t $1:process sigchld;\n\
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')\n\
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"
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interface="""\
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## <summary>policy for TEMPLATETYPE</summary>
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########################################
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## <summary>
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## Execute a domain transition to run TEMPLATETYPE.
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## </summary>
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## <param name=\"domain\">
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## Domain allowed to transition.
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## </param>
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#
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interface(`TEMPLATETYPE_domtrans',`
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gen_requires(`
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type TEMPLATETYPE_t, TEMPLATETYPE_exec_t;
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')
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domain_auto_trans($1,TEMPLATETYPE_exec_t,TEMPLATETYPE_t)
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allow $1 TEMPLATETYPE_t:fd use;
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allow TEMPLATETYPE_t $1:fd use;
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allow TEMPLATETYPE_t:$1:fifo_file rw_file_perms;
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allow TEMPLATETYPE_t $1:process sigchld;
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')
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"""
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########################### Type Enforcement File #############################
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te="\n\
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policy_module(TEMPLATETYPE,1.0.0)\n\
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\n\
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########################################\n\
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#\n\
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# Declarations\n\
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#\n\
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\n\
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type TEMPLATETYPE_t;\n\
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type TEMPLATETYPE_exec_t;\n\
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domain_type(TEMPLATETYPE_t)\n\
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init_daemon_domain(TEMPLATETYPE_t, TEMPLATETYPE_exec_t)\n\
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\n\
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########################################\n\
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#\n\
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# TEMPLATETYPE local policy\n\
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#\n\
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# Check in /etc/selinux/refpolicy/include for macros to use instead of allow rules.\n"
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te="""\
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policy_module(TEMPLATETYPE,1.0.0)
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########################################
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#
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# Declarations
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#
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type TEMPLATETYPE_t;
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type TEMPLATETYPE_exec_t;
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domain_type(TEMPLATETYPE_t)
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init_daemon_domain(TEMPLATETYPE_t, TEMPLATETYPE_exec_t)
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"""
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te_pidfile="""
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# pid files
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type TEMPLATETYPE_var_run_t;
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files_pid_file(TEMPLATETYPE_var_run_t)
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"""
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te_logfile="""
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# log files
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type TEMPLATETYPE_var_log_t;
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logging_log_file(TEMPLATETYPE_var_log_t)
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"""
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te_libfile="""
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# var/lib files
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type TEMPLATETYPE_var_lib_t;
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files_type(TEMPLATETYPE_var_lib_t)
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"""
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te_sep="""
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########################################
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#
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# TEMPLATETYPE local policy
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#
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# Check in /etc/selinux/refpolicy/include for macros to use instead of allow rules.
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# Some common macros (you might be able to remove some)
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files_read_etc_files(TEMPLATETYPE_t)
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libs_use_ld_so(TEMPLATETYPE_t)
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libs_use_shared_libs(TEMPLATETYPE_t)
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miscfiles_read_localization(TEMPLATETYPE_t)
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## internal communication is often done using fifo and unix sockets.
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allow TEMPLATETYPE_t self:fifo_file { read write };
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allow TEMPLATETYPE_t self:unix_stream_socket create_stream_socket_perms;
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"""
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te_pidfile2="""
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# pid file
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allow TEMPLATETYPE_t TEMPLATETYPE_var_run_t:file manage_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_run_t:sock_file manage_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_run_t:dir rw_dir_perms;
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files_pid_filetrans(TEMPLATETYPE_t,TEMPLATETYPE_var_run_t, { file sock_file })
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"""
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te_logfile2="""
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# log files
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allow TEMPLATETYPE_t TEMPLATETYPE_var_log_t:file create_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_log_t:sock_file create_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_log_t:dir { rw_dir_perms setattr };
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logging_log_filetrans(TEMPLATETYPE_t,TEMPLATETYPE_var_log_t,{ sock_file file dir })
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"""
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te_libfile2="""
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# var/lib files for TEMPLATETYPE
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allow TEMPLATETYPE_t TEMPLATETYPE_var_lib_t:file create_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_lib_t:sock_file create_file_perms;
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allow TEMPLATETYPE_t TEMPLATETYPE_var_lib_t:dir create_dir_perms;
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files_var_filetrans(TEMPLATETYPE_t,TEMPLATETYPE_var_lib_t,{ file dir sock_file })
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files_var_lib_filetrans(TEMPLATETYPE_t,TEMPLATETYPE_var_lib_t)
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"""
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te_network2="""
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## Networking basics (adjust to your needs!)
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sysnet_dns_name_resolve(TEMPLATETYPE_t)
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corenet_tcp_sendrecv_all_if(TEMPLATETYPE_t)
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corenet_tcp_sendrecv_all_nodes(TEMPLATETYPE_t)
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corenet_tcp_sendrecv_all_ports(TEMPLATETYPE_t)
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corenet_non_ipsec_sendrecv(TEMPLATETYPE_t)
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corenet_tcp_connect_http_port(TEMPLATETYPE_t)
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#corenet_tcp_connect_all_ports(TEMPLATETYPE_t)
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## if it is a network daemon, consider these:
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#corenet_tcp_bind_all_ports(TEMPLATETYPE_t)
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#corenet_tcp_bind_all_nodes(TEMPLATETYPE_t)
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allow TEMPLATETYPE_t self:tcp_socket { listen accept };
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"""
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te_initsc2="""
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# Init script handling
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init_use_fd(TEMPLATETYPE_t)
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init_use_script_ptys(TEMPLATETYPE_t)
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domain_use_interactive_fds(TEMPLATETYPE_t)
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"""
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########################### File Context ##################################
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fc="\n\
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# TEMPLATETYPE executable will have:\n\
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# label: system_u:object_r:TEMPLATETYPE_exec_t\n\
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# MLS sensitivity: s0\n\
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# MCS categories: <none>\n\
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\n\
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EXECUTABLE -- gen_context(system_u:object_r:TEMPLATETYPE_exec_t,s0)\n\
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"
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fc="""\
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# TEMPLATETYPE executable will have:
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# label: system_u:object_r:TEMPLATETYPE_exec_t
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# MLS sensitivity: s0
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# MCS categories: <none>
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EXECUTABLE -- gen_context(system_u:object_r:TEMPLATETYPE_exec_t,s0)
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"""
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fc_pidfile="""\
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FILENAME gen_context(system_u:object_r:TEMPLATETYPE_var_run_t,s0)
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"""
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fc_logfile="""\
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FILENAME gen_context(system_u:object_r:TEMPLATETYPE_var_log_t,s0)
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"""
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fc_libfile="""\
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FILENAME gen_context(system_u:object_r:TEMPLATETYPE_var_lib_t,s0)
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"""
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def errorExit(error):
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sys.stderr.write("%s: " % sys.argv[0])
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sys.stderr.write("%s\n" % error)
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@ -86,9 +162,26 @@ def errorExit(error):
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sys.exit(1)
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def write_te_file(module):
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def write_te_file(module, pidfile, logfile, libfile, network, initsc):
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file="%s.te" % module
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newte=re.sub("TEMPLATETYPE", module, te)
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if pidfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_pidfile)
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if logfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_logfile)
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if libfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_libfile)
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newte= newte + re.sub("TEMPLATETYPE", module, te_sep)
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if pidfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_pidfile2)
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if logfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_logfile2)
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if libfile:
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newte= newte + re.sub("TEMPLATETYPE", module, te_libfile2)
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if network:
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newte= newte + re.sub("TEMPLATETYPE", module, te_network2)
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if initsc:
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newte= newte + re.sub("TEMPLATETYPE", module, te_initsc2)
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if os.path.exists(file):
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errorExit("%s already exists" % file)
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fd = open(file, 'w')
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@ -104,20 +197,29 @@ def write_if_file(module):
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fd.write(newif)
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fd.close()
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def write_fc_file(module, executable):
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def write_fc_file(module, executable, pidfile, logfile, libfile):
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file="%s.fc" % module
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newfc=re.sub("TEMPLATETYPE", module, fc)
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newfc=re.sub("EXECUTABLE", executable, newfc)
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temp=re.sub("TEMPLATETYPE", module, fc)
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newfc=re.sub("EXECUTABLE", executable, temp)
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if pidfile:
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temp=re.sub("TEMPLATETYPE", module, fc_pidfile)
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newfc=newfc + re.sub("FILENAME", pidfile, temp)
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if logfile:
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temp=re.sub("TEMPLATETYPE", module, fc_logfile)
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newfc=newfc + re.sub("FILENAME", logfile, temp)
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if libfile:
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temp=re.sub("TEMPLATETYPE", module, fc_libfile)
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newfc=newfc + re.sub("FILENAME", libfile, temp)
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if os.path.exists(file):
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errorExit("%s already exists" % file)
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fd = open(file, 'w')
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fd.write(newfc)
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fd.close()
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def gen_policy(module, executable):
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write_te_file(module)
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def gen_policy(module, executable, pidfile, logfile, libfile, initsc, network):
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write_te_file(module, pidfile, logfile, libfile, initsc, network)
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write_if_file(module)
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write_fc_file(module, executable)
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write_fc_file(module, executable, pidfile, logfile, libfile)
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if __name__ == '__main__':
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def usage(message = ""):
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@ -127,6 +229,69 @@ if __name__ == '__main__':
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if len(sys.argv) != 3:
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usage()
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gen_policy(sys.argv[1], sys.argv[2])
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print """\n
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This tool generate three files for policy development, A Type Enforcement (te)
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file, a File Context (fc), and a Interface File(if). Most of the policy rules
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will be written in the te file. Use the File Context file to associate file
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paths with security context. Use the interface rules to allow other protected
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domains to interact with the newly defined domains.
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After generating these files use the /usr/share/selinux/devel/Makefile to
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compile your policy package. Then use the semodule tool to load it.
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# /usr/share/selinux/devel/policygentool myapp /usr/bin/myapp
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# make -f /usr/share/selinux/devel/Makefile
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# semodule -l myapp.pp
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# restorecon -R -v /usr/bin/myapp "all files defined in myapp.fc"
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Now you can turn on permissive mode, start your application and avc messages
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will be generated. You can use audit2allow to help translate the avc messages
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into policy.
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# setenforce 0
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# service myapp start
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# audit2allow -R -i /var/log/audit/audit.log
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Return to continue:"""
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sys.stdin.readline().rstrip()
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print 'If the module uses pidfiles, what is the pidfile called?'
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pidfile = sys.stdin.readline().rstrip()
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if pidfile == "":
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pidfile = None
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print 'If the module uses logfiles, where are they stored?'
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logfile = sys.stdin.readline().rstrip()
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if logfile == "":
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logfile = None
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print 'If the module has var/lib files, where are they stored?'
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libfile = sys.stdin.readline().rstrip()
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if libfile == "":
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libfile = None
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print 'Does the module have a init script? [yN]'
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initsc = sys.stdin.readline().rstrip()
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if initsc == "" or initsc == "n" or initsc == "N":
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initsc = False
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elif initsc == "y" or initsc == "Y":
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initsc = True
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else:
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raise "Please answer with 'y' or 'n'!"
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print 'Does the module use the network? [yN]'
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network = sys.stdin.readline().rstrip()
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if network == "" or network == "n" or network == "N":
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network = False
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elif network == "y" or network == "Y":
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network = True
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else:
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raise "Please answer with 'y' or 'n'!"
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gen_policy(
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module=sys.argv[1],
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executable=sys.argv[2],
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pidfile=pidfile,
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logfile=logfile,
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libfile=libfile,
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initsc=initsc,
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network=network
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)
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@ -9,8 +9,8 @@
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%define CHECKPOLICYVER 1.29.4-1
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Summary: SELinux policy configuration
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Name: selinux-policy
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Version: 2.2.21
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Release: 9
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Version: 2.2.22
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Release: 1
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License: GPL
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Group: System Environment/Base
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Source: serefpolicy-%{version}.tgz
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@ -293,20 +293,24 @@ ln -sf ../devel/include /usr/share/selinux/strict/include
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%fileList strict
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%changelog
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* Mon Feb 27 2006 Dan Walsh <dwalsh@redhat.com> 2.2.22-1
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- Update to upstream
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- Merged my latest fixes
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- Fix cups policy to handle unix domain sockets
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* Sat Feb 26 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-9
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* Sat Feb 25 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-9
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- NSCD socket is in nscd_var_run_t needs to be able to search dir
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* Fri Feb 23 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-8
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* Fri Feb 24 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-8
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- Fixes Apache interface file
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* Fri Feb 23 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-7
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* Fri Feb 24 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-7
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- Fixes for new version of cups
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* Fri Feb 23 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-6
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* Fri Feb 24 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-6
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- Turn off polyinstatiate util after FC5
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* Fri Feb 23 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-5
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* Fri Feb 24 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-5
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- Fix problem with privoxy talking to Tor
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* Thu Feb 22 2006 Dan Walsh <dwalsh@redhat.com> 2.2.21-4
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