| [99] | 1 | # Joe Presbrey | 
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 | 2 | # presbrey@mit.edu | 
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 | 3 | # 2006/1/15 | 
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| [79] | 4 |  | 
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| [99] | 5 | policy_module(signup,1.0.0) | 
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 | 6 |  | 
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| [79] | 7 | require { | 
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| [99] | 8 |         attribute domain, userdomain, unpriv_userdomain; | 
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| [79] | 9 | }; | 
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 | 10 |  | 
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| [99] | 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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