Hi,
I am writing a selinux module for tomcat5.
This is what I currently got:
type tomcat5_log_t;
logging_log_file(tomcat5_log_t)
type tomcat5_tmp_t;
files_tmp_file(tomcat5_tmp_t)
role system_r types tomcat5_java_t;
########################################
#
# local policy
#
init_daemon_domain(tomcat5_t, tomcat5_exec_t)
allow tomcat5_t tomcat5_log_t:file ra_file_perms;
manage_files_pattern(tomcat5_t, tomcat5_log_t, tomcat5_log_t)
allow tomcat5_t tomcat5_tmp_t:file manage_file_perms;
files_tmp_filetrans(tomcat5_t,tomcat5_tmp_t,file)
# neccessary for startup
files_search_etc(tomcat5_t)
files_search_usr(tomcat5_t)
libs_search_lib(tomcat5_t)
libs_use_shared_libs(tomcat5_t)
miscfiles_read_localization(tomcat5_t)
libs_use_ld_so(tomcat5_t)
kernel_read_system_state(tomcat5_t)
corecmd_search_bin(tomcat5_t)
corecmd_getattr_bin_files(tomcat5_t)
corecmd_exec_bin(tomcat5_t)
init_write_utmp(tomcat5_t)
files_read_usr_files(tomcat5_t)
corecmd_exec_shell(tomcat5_t)
rw_fifo_files_pattern(tomcat5_t, tomcat5_t, tomcat5_t)
files_read_etc_files(tomcat5_t)
logging_search_logs(tomcat5_t)
# run java as tomcat5_java_t
#java_spec_domtrans(tomcat5_t, tomcat5_java_t)
domain_auto_trans(tomcat5_t, java_exec_t, tomcat5_java_t)
# privileges for tomcat java applications
allow tomcat5_t tomcat5_java_t:process { rlimitinh siginh noatsecure };
allow tomcat5_java_t tomcat5_t:process { sigchld getsched sigkill
execheap execmem execstack };
libs_search_lib(tomcat5_java_t)
libs_use_shared_libs(tomcat5_java_t)
files_search_usr(tomcat5_java_t)
files_read_usr_files(tomcat5_java_t)
files_search_etc(tomcat5_java_t)
files_read_etc_files(tomcat5_java_t)
rw_fifo_files_pattern(tomcat5_java_t,tomcat5_t,tomcat5_t)
libs_use_ld_so(tomcat5_java_t)
write_files_pattern(tomcat5_java_t, tomcat5_log_t, tomcat5_log_t)
unconfined_dontaudit_use_terminals(tomcat5_java_t)
The idea is to 'sandbox' all java applications run by tomcat5 to avoid
damage by exploits in webservices and stuff.
The problem is, when I try to start tomcat I got the error that
libjli.so is not found, which seems to occur because the environment
variable ORIGIN is not resolved (I find a lot of
open($ORIGIN/../libjli.so in strace). I have no idea what causes this
behavior and I have no audits even with dontaudit disabled.
Has anyone any advise please? I'm running really out of ideas here!
regards
christoph
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