1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _INIT_INIT_H 18 #define _INIT_INIT_H 19 20 #include <cutils/list.h> 21 22 #include <sys/stat.h> 23 24 void handle_control_message(const char *msg, const char *arg); 25 26 struct command 27 { 28 /* list of commands in an action */ 29 struct listnode clist; 30 31 int (*func)(int nargs, char **args); 32 33 int line; 34 const char *filename; 35 36 int nargs; 37 char *args[1]; 38 }; 39 40 struct action { 41 /* node in list of all actions */ 42 struct listnode alist; 43 /* node in the queue of pending actions */ 44 struct listnode qlist; 45 /* node in list of actions for a trigger */ 46 struct listnode tlist; 47 48 unsigned hash; 49 const char *name; 50 51 struct listnode commands; 52 struct command *current; 53 }; 54 55 struct socketinfo { 56 struct socketinfo *next; 57 const char *name; 58 const char *type; 59 uid_t uid; 60 gid_t gid; 61 int perm; 62 const char *socketcon; 63 }; 64 65 struct svcenvinfo { 66 struct svcenvinfo *next; 67 const char *name; 68 const char *value; 69 }; 70 71 #define SVC_DISABLED 0x01 /* do not autostart with class */ 72 #define SVC_ONESHOT 0x02 /* do not restart on exit */ 73 #define SVC_RUNNING 0x04 /* currently active */ 74 #define SVC_RESTARTING 0x08 /* waiting to restart */ 75 #define SVC_CONSOLE 0x10 /* requires console */ 76 #define SVC_CRITICAL 0x20 /* will reboot into recovery if keeps crashing */ 77 #define SVC_RESET 0x40 /* Use when stopping a process, but not disabling 78 so it can be restarted with its class */ 79 #define SVC_RC_DISABLED 0x80 /* Remember if the disabled flag was set in the rc script */ 80 #define SVC_RESTART 0x100 /* Use to safely restart (stop, wait, start) a service */ 81 #define SVC_DISABLED_START 0x200 /* a start was requested but it was disabled at the time */ 82 83 #define NR_SVC_SUPP_GIDS 12 /* twelve supplementary groups */ 84 85 #define COMMAND_RETRY_TIMEOUT 5 86 87 struct service { 88 /* list of all services */ 89 struct listnode slist; 90 91 const char *name; 92 const char *classname; 93 94 unsigned flags; 95 pid_t pid; 96 time_t time_started; /* time of last start */ 97 time_t time_crashed; /* first crash within inspection window */ 98 int nr_crashed; /* number of times crashed within window */ 99 100 uid_t uid; 101 gid_t gid; 102 gid_t supp_gids[NR_SVC_SUPP_GIDS]; 103 size_t nr_supp_gids; 104 105 char *seclabel; 106 107 struct socketinfo *sockets; 108 struct svcenvinfo *envvars; 109 110 struct action onrestart; /* Actions to execute on restart. */ 111 112 /* keycodes for triggering this service via /dev/keychord */ 113 int *keycodes; 114 int nkeycodes; 115 int keychord_id; 116 117 int ioprio_class; 118 int ioprio_pri; 119 120 int nargs; 121 /* "MUST BE AT THE END OF THE STRUCT" */ 122 char *args[1]; 123 }; /* ^-------'args' MUST be at the end of this struct! */ 124 125 void notify_service_state(const char *name, const char *state); 126 127 struct service *service_find_by_name(const char *name); 128 struct service *service_find_by_pid(pid_t pid); 129 struct service *service_find_by_keychord(int keychord_id); 130 void service_for_each(void (*func)(struct service *svc)); 131 void service_for_each_class(const char *classname, 132 void (*func)(struct service *svc)); 133 void service_for_each_flags(unsigned matchflags, 134 void (*func)(struct service *svc)); 135 void service_stop(struct service *svc); 136 void service_reset(struct service *svc); 137 void service_restart(struct service *svc); 138 void service_start(struct service *svc, const char *dynamic_args); 139 void property_changed(const char *name, const char *value); 140 141 extern struct selabel_handle *sehandle; 142 extern struct selabel_handle *sehandle_prop; 143 extern int selinux_reload_policy(void); 144 145 #endif /* _INIT_INIT_H */ 146