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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 | ||
36c4dc08 | 23 | void 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) |
36c4dc08 | 36 | return; |
2928b0a8 | 37 | |
1710d4be | 38 | if (FLAGS_SET(options, EMERGENCY_ACTION_IS_WATCHDOG) && !m->service_watchdogs) { |
2a12e32e | 39 | log_warning("Watchdog disabled! Not acting on: %s", reason); |
36c4dc08 | 40 | return; |
2a12e32e JK |
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 | |
77defcf5 | 50 | (void) update_reboot_parameter_and_warn(reboot_arg, true); |
50cbaba4 | 51 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL); |
2928b0a8 | 52 | break; |
2928b0a8 | 53 | |
87a47f99 | 54 | case EMERGENCY_ACTION_REBOOT_FORCE: |
c7adcb1a | 55 | log_and_status(m, warn, "Forcibly rebooting", reason); |
ebc5788e | 56 | |
77defcf5 | 57 | (void) update_reboot_parameter_and_warn(reboot_arg, true); |
af41e508 | 58 | m->objective = MANAGER_REBOOT; |
27c06cb5 | 59 | |
2928b0a8 LP |
60 | break; |
61 | ||
87a47f99 | 62 | case EMERGENCY_ACTION_REBOOT_IMMEDIATE: |
c7adcb1a | 63 | log_and_status(m, warn, "Rebooting immediately", reason); |
2928b0a8 LP |
64 | |
65 | sync(); | |
66 | ||
27c06cb5 | 67 | if (!isempty(reboot_arg)) { |
2928b0a8 | 68 | log_info("Rebooting with argument '%s'.", reboot_arg); |
c52a937b | 69 | (void) raw_reboot(LINUX_REBOOT_CMD_RESTART2, reboot_arg); |
27c06cb5 | 70 | log_warning_errno(errno, "Failed to reboot with parameter, retrying without: %m"); |
2928b0a8 LP |
71 | } |
72 | ||
73 | log_info("Rebooting."); | |
118cf952 | 74 | (void) reboot(RB_AUTOBOOT); |
2928b0a8 LP |
75 | break; |
76 | ||
54fcb619 | 77 | case EMERGENCY_ACTION_EXIT: |
7af67e9a LP |
78 | |
79 | if (exit_status >= 0) | |
80 | m->return_value = exit_status; | |
81 | ||
a400bd8c | 82 | if (MANAGER_IS_USER(m) || detect_container() > 0) { |
c7adcb1a | 83 | log_and_status(m, warn, "Exiting", reason); |
50cbaba4 | 84 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_EXIT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL); |
a400bd8c ZJS |
85 | break; |
86 | } | |
54fcb619 | 87 | |
a400bd8c ZJS |
88 | log_notice("Doing \"poweroff\" action instead of an \"exit\" emergency action."); |
89 | _fallthrough_; | |
54fcb619 | 90 | |
87a47f99 | 91 | case EMERGENCY_ACTION_POWEROFF: |
c7adcb1a | 92 | log_and_status(m, warn, "Powering off", reason); |
50cbaba4 | 93 | (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL, NULL); |
f07756bf | 94 | break; |
f07756bf | 95 | |
54fcb619 | 96 | case EMERGENCY_ACTION_EXIT_FORCE: |
7af67e9a LP |
97 | |
98 | if (exit_status >= 0) | |
99 | m->return_value = exit_status; | |
100 | ||
a400bd8c | 101 | if (MANAGER_IS_USER(m) || detect_container() > 0) { |
c7adcb1a | 102 | log_and_status(m, warn, "Exiting immediately", reason); |
a400bd8c ZJS |
103 | m->objective = MANAGER_EXIT; |
104 | break; | |
105 | } | |
54fcb619 | 106 | |
a400bd8c ZJS |
107 | log_notice("Doing \"poweroff-force\" action instead of an \"exit-force\" emergency action."); |
108 | _fallthrough_; | |
54fcb619 | 109 | |
87a47f99 | 110 | case EMERGENCY_ACTION_POWEROFF_FORCE: |
c7adcb1a | 111 | log_and_status(m, warn, "Forcibly powering off", reason); |
af41e508 | 112 | m->objective = MANAGER_POWEROFF; |
f07756bf LP |
113 | break; |
114 | ||
87a47f99 | 115 | case EMERGENCY_ACTION_POWEROFF_IMMEDIATE: |
c7adcb1a | 116 | log_and_status(m, warn, "Powering off immediately", reason); |
f07756bf LP |
117 | |
118 | sync(); | |
119 | ||
120 | log_info("Powering off."); | |
118cf952 | 121 | (void) reboot(RB_POWER_OFF); |
f07756bf LP |
122 | break; |
123 | ||
2928b0a8 | 124 | default: |
87a47f99 | 125 | assert_not_reached("Unknown emergency action"); |
2928b0a8 | 126 | } |
2928b0a8 LP |
127 | } |
128 | ||
87a47f99 LN |
129 | static const char* const emergency_action_table[_EMERGENCY_ACTION_MAX] = { |
130 | [EMERGENCY_ACTION_NONE] = "none", | |
131 | [EMERGENCY_ACTION_REBOOT] = "reboot", | |
132 | [EMERGENCY_ACTION_REBOOT_FORCE] = "reboot-force", | |
133 | [EMERGENCY_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate", | |
134 | [EMERGENCY_ACTION_POWEROFF] = "poweroff", | |
135 | [EMERGENCY_ACTION_POWEROFF_FORCE] = "poweroff-force", | |
54fcb619 ZJS |
136 | [EMERGENCY_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate", |
137 | [EMERGENCY_ACTION_EXIT] = "exit", | |
138 | [EMERGENCY_ACTION_EXIT_FORCE] = "exit-force", | |
2928b0a8 | 139 | }; |
87a47f99 | 140 | DEFINE_STRING_TABLE_LOOKUP(emergency_action, EmergencyAction); |
54fcb619 ZJS |
141 | |
142 | int parse_emergency_action( | |
143 | const char *value, | |
144 | bool system, | |
145 | EmergencyAction *ret) { | |
146 | ||
147 | EmergencyAction x; | |
148 | ||
149 | x = emergency_action_from_string(value); | |
150 | if (x < 0) | |
151 | return -EINVAL; | |
152 | ||
a400bd8c | 153 | if (!system && x != EMERGENCY_ACTION_NONE && x < _EMERGENCY_ACTION_FIRST_USER_ACTION) |
54fcb619 ZJS |
154 | return -EOPNOTSUPP; |
155 | ||
156 | *ret = x; | |
157 | return 0; | |
158 | } |