| 1 | # Joe Presbrey | 
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| 2 | # presbrey@mit.edu | 
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| 3 | # 2006/1/15 | 
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| 4 |  | 
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| 5 | policy_module(signup,1.0.0) | 
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| 6 |  | 
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| 7 | require { | 
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| 8 | attribute domain, userdomain, unpriv_userdomain; | 
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| 9 | }; | 
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| 10 |  | 
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| 11 | require { type sudo_exec_t; }; | 
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| 12 | type signup_t, domain, userdomain, unpriv_userdomain; | 
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| 13 | type signup_su_t, domain, userdomain; | 
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| 14 | role system_r types { signup_t signup_su_t }; | 
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| 15 | role user_r types { signup_t signup_su_t }; | 
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| 16 | afs_access(signup_t) | 
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| 17 | afs_access(signup_su_t) | 
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| 18 | afs_access(useradd_t) | 
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| 19 | files_read_etc_files(signup_t) | 
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| 20 | libs_use_ld_so(signup_t) | 
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| 21 | libs_use_shared_libs(signup_t) | 
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| 22 | miscfiles_read_localization(signup_t) | 
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| 23 | files_read_etc_files(signup_su_t) | 
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| 24 | libs_use_ld_so(signup_su_t) | 
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| 25 | libs_use_shared_libs(signup_su_t) | 
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| 26 | miscfiles_read_localization(signup_su_t) | 
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| 27 | domain_auto_trans(signup_t, sudo_exec_t, signup_su_t) | 
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| 28 | auth_rw_shadow(signup_su_t) | 
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| 29 | sysnet_dns_name_resolve(signup_t) | 
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| 30 | sysnet_dns_name_resolve(signup_su_t) | 
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| 31 | usermanage_run_useradd(signup_su_t,system_r,signup_t) | 
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| 32 | usermanage_run_groupadd(signup_su_t,system_r,signup_t) | 
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| 33 | allow groupadd_t signup_t:fifo_file { getattr ioctl read write }; | 
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| 34 | allow groupadd_t signup_t:process sigchld; | 
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| 35 |  | 
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| 36 | allow useradd_t { httpd_t signup_t }:fd use; | 
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| 37 | allow useradd_t { httpd_t signup_t }:fifo_file { getattr ioctl read write}; | 
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| 38 | allow useradd_t signup_t:process sigchld; | 
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| 39 | allow signup_su_t signup_t:fd use; | 
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| 40 | allow signup_su_t signup_t:fifo_file { ioctl write }; | 
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| 41 | allow signup_su_t signup_t:process sigchld; | 
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| 42 | allow signup_su_t sudo_exec_t:file entrypoint; | 
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| 43 | allow signup_su_t self:capability { audit_write setgid setuid }; | 
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| 44 | dev_read_urand(signup_t) | 
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| 45 | kernel_read_system_state(signup_t) | 
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| 46 | logging_send_syslog_msg(signup_su_t) | 
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| 47 |  | 
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| 48 | corecmd_exec_all_executables(signup_t) | 
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| 49 | allow signup_t sbin_t:dir search; | 
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| 50 | allow signup_t sbin_t:file { execute execute_no_trans read }; | 
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| 51 | allow signup_t shell_exec_t:file { execute execute_no_trans getattr read }; | 
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| 52 | allow signup_t self:fifo_file { getattr ioctl read write }; | 
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| 53 |  | 
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| 54 | # SUEXEC # | 
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| 55 | require { type httpd_suexec_t, httpd_t; }; | 
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| 56 | allow httpd_suexec_t { signup_t }:process { transition siginh rlimitinh noatsecure }; | 
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| 57 | allow { signup_t } httpd_t:fd { use }; | 
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| 58 | allow { signup_t } httpd_t:fifo_file { getattr ioctl read write }; | 
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| 59 | allow { signup_t } httpd_t:process { sigchld }; | 
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| 60 | allow { signup_t } httpd_suexec_t:fd { use }; | 
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