]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2928b0a8 LP |
2 | |
3 | #include <sys/reboot.h> | |
2928b0a8 | 4 | |
2928b0a8 | 5 | #include "bus-error.h" |
8b43440b | 6 | #include "bus-util.h" |
87a47f99 | 7 | #include "emergency-action.h" |
c52a937b | 8 | #include "raw-reboot.h" |
e3631d1c | 9 | #include "reboot-util.h" |
8b43440b LP |
10 | #include "special.h" |
11 | #include "string-table.h" | |
288a74cc | 12 | #include "terminal-util.h" |
a400bd8c | 13 | #include "virt.h" |
2928b0a8 | 14 | |
c7adcb1a ZJS |
15 | static void log_and_status(Manager *m, bool warn, const char *message, const char *reason) { |
16 | log_full(warn ? LOG_WARNING : LOG_DEBUG, "%s: %s", message, reason); | |
17 | if (warn) | |
18 | manager_status_printf(m, STATUS_TYPE_EMERGENCY, | |
19 | ANSI_HIGHLIGHT_RED " !! " ANSI_NORMAL, | |
20 | "%s: %s", message, reason); | |
ebc5788e ZJS |
21 | } |
22 | ||
87a47f99 | 23 | int emergency_action( |
2928b0a8 | 24 | Manager *m, |
87a47f99 | 25 | EmergencyAction action, |
1710d4be | 26 | EmergencyActionFlags options, |
87a47f99 | 27 | const char *reboot_arg, |
7af67e9a | 28 | int exit_status, |
87a47f99 | 29 | const char *reason) { |
2928b0a8 | 30 | |
2928b0a8 LP |
31 | assert(m); |
32 | assert(action >= 0); | |
87a47f99 | 33 | assert(action < _EMERGENCY_ACTION_MAX); |
2928b0a8 | 34 | |
87a47f99 | 35 | if (action == EMERGENCY_ACTION_NONE) |
f07756bf | 36 | return -ECANCELED; |
2928b0a8 | 37 | |
1710d4be | 38 | if (FLAGS_SET(options, EMERGENCY_ACTION_IS_WATCHDOG) && !m->service_watchdogs) { |
2a12e32e JK |
39 | log_warning("Watchdog disabled! Not acting on: %s", reason); |
40 | return -ECANCELED; | |
41 | } | |
42 | ||
c7adcb1a ZJS |
43 | bool warn = FLAGS_SET(options, EMERGENCY_ACTION_WARN); |
44 | ||
f07756bf | 45 | switch (action) { |
2928b0a8 | 46 | |
87a47f99 | 47 | case EMERGENCY_ACTION_REBOOT: |
c7adcb1a | 48 | log_and_status(m, warn, "Rebooting", reason); |
2928b0a8 | 49 | |
27c06cb5 LP |
50 | (void) update_reboot_parameter_and_warn(reboot_arg); |
51 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); | |
2928b0a8 LP |
52 | |
53 | break; | |
2928b0a8 | 54 | |
87a47f99 | 55 | case EMERGENCY_ACTION_REBOOT_FORCE: |
c7adcb1a | 56 | log_and_status(m, warn, "Forcibly rebooting", reason); |
ebc5788e | 57 | |
27c06cb5 | 58 | (void) update_reboot_parameter_and_warn(reboot_arg); |
af41e508 | 59 | m->objective = MANAGER_REBOOT; |
27c06cb5 | 60 | |
2928b0a8 LP |
61 | break; |
62 | ||
87a47f99 | 63 | case EMERGENCY_ACTION_REBOOT_IMMEDIATE: |
c7adcb1a | 64 | log_and_status(m, warn, "Rebooting immediately", reason); |
2928b0a8 LP |
65 | |
66 | sync(); | |
67 | ||
27c06cb5 | 68 | if (!isempty(reboot_arg)) { |
2928b0a8 | 69 | log_info("Rebooting with argument '%s'.", reboot_arg); |
c52a937b | 70 | (void) raw_reboot(LINUX_REBOOT_CMD_RESTART2, reboot_arg); |
27c06cb5 | 71 | log_warning_errno(errno, "Failed to reboot with parameter, retrying without: %m"); |
2928b0a8 LP |
72 | } |
73 | ||
74 | log_info("Rebooting."); | |
118cf952 | 75 | (void) reboot(RB_AUTOBOOT); |
2928b0a8 LP |
76 | break; |
77 | ||
54fcb619 | 78 | case EMERGENCY_ACTION_EXIT: |
7af67e9a LP |
79 | |
80 | if (exit_status >= 0) | |
81 | m->return_value = exit_status; | |
82 | ||
a400bd8c | 83 | if (MANAGER_IS_USER(m) || detect_container() > 0) { |
c7adcb1a | 84 | log_and_status(m, warn, "Exiting", reason); |
a400bd8c ZJS |
85 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_EXIT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); |
86 | break; | |
87 | } | |
54fcb619 | 88 | |
a400bd8c ZJS |
89 | log_notice("Doing \"poweroff\" action instead of an \"exit\" emergency action."); |
90 | _fallthrough_; | |
54fcb619 | 91 | |
87a47f99 | 92 | case EMERGENCY_ACTION_POWEROFF: |
c7adcb1a | 93 | log_and_status(m, warn, "Powering off", reason); |
27c06cb5 | 94 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); |
f07756bf | 95 | break; |
f07756bf | 96 | |
54fcb619 | 97 | case EMERGENCY_ACTION_EXIT_FORCE: |
7af67e9a LP |
98 | |
99 | if (exit_status >= 0) | |
100 | m->return_value = exit_status; | |
101 | ||
a400bd8c | 102 | if (MANAGER_IS_USER(m) || detect_container() > 0) { |
c7adcb1a | 103 | log_and_status(m, warn, "Exiting immediately", reason); |
a400bd8c ZJS |
104 | m->objective = MANAGER_EXIT; |
105 | break; | |
106 | } | |
54fcb619 | 107 | |
a400bd8c ZJS |
108 | log_notice("Doing \"poweroff-force\" action instead of an \"exit-force\" emergency action."); |
109 | _fallthrough_; | |
54fcb619 | 110 | |
87a47f99 | 111 | case EMERGENCY_ACTION_POWEROFF_FORCE: |
c7adcb1a | 112 | log_and_status(m, warn, "Forcibly powering off", reason); |
af41e508 | 113 | m->objective = MANAGER_POWEROFF; |
f07756bf LP |
114 | break; |
115 | ||
87a47f99 | 116 | case EMERGENCY_ACTION_POWEROFF_IMMEDIATE: |
c7adcb1a | 117 | log_and_status(m, warn, "Powering off immediately", reason); |
f07756bf LP |
118 | |
119 | sync(); | |
120 | ||
121 | log_info("Powering off."); | |
118cf952 | 122 | (void) reboot(RB_POWER_OFF); |
f07756bf LP |
123 | break; |
124 | ||
2928b0a8 | 125 | default: |
87a47f99 | 126 | assert_not_reached("Unknown emergency action"); |
2928b0a8 LP |
127 | } |
128 | ||
129 | return -ECANCELED; | |
130 | } | |
131 | ||
87a47f99 LN |
132 | static const char* const emergency_action_table[_EMERGENCY_ACTION_MAX] = { |
133 | [EMERGENCY_ACTION_NONE] = "none", | |
134 | [EMERGENCY_ACTION_REBOOT] = "reboot", | |
135 | [EMERGENCY_ACTION_REBOOT_FORCE] = "reboot-force", | |
136 | [EMERGENCY_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate", | |
137 | [EMERGENCY_ACTION_POWEROFF] = "poweroff", | |
138 | [EMERGENCY_ACTION_POWEROFF_FORCE] = "poweroff-force", | |
54fcb619 ZJS |
139 | [EMERGENCY_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate", |
140 | [EMERGENCY_ACTION_EXIT] = "exit", | |
141 | [EMERGENCY_ACTION_EXIT_FORCE] = "exit-force", | |
2928b0a8 | 142 | }; |
87a47f99 | 143 | DEFINE_STRING_TABLE_LOOKUP(emergency_action, EmergencyAction); |
54fcb619 ZJS |
144 | |
145 | int parse_emergency_action( | |
146 | const char *value, | |
147 | bool system, | |
148 | EmergencyAction *ret) { | |
149 | ||
150 | EmergencyAction x; | |
151 | ||
152 | x = emergency_action_from_string(value); | |
153 | if (x < 0) | |
154 | return -EINVAL; | |
155 | ||
a400bd8c | 156 | if (!system && x != EMERGENCY_ACTION_NONE && x < _EMERGENCY_ACTION_FIRST_USER_ACTION) |
54fcb619 ZJS |
157 | return -EOPNOTSUPP; |
158 | ||
159 | *ret = x; | |
160 | return 0; | |
161 | } |