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2928b0a8 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | Copyright 2012 Michael Olbrich | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <sys/reboot.h> | |
24 | #include <linux/reboot.h> | |
2928b0a8 LP |
25 | |
26 | #include "bus-util.h" | |
27 | #include "bus-error.h" | |
28 | #include "special.h" | |
29 | #include "failure-action.h" | |
288a74cc | 30 | #include "terminal-util.h" |
2928b0a8 | 31 | |
ebc5788e ZJS |
32 | static void log_and_status(Manager *m, const char *message) { |
33 | log_warning("%s", message); | |
34 | manager_status_printf(m, STATUS_TYPE_EMERGENCY, | |
1fc464f6 | 35 | ANSI_HIGHLIGHT_RED " !! " ANSI_NORMAL, |
ebc5788e ZJS |
36 | "%s", message); |
37 | } | |
38 | ||
2928b0a8 LP |
39 | int failure_action( |
40 | Manager *m, | |
41 | FailureAction action, | |
42 | const char *reboot_arg) { | |
43 | ||
44 | int r; | |
45 | ||
46 | assert(m); | |
47 | assert(action >= 0); | |
48 | assert(action < _FAILURE_ACTION_MAX); | |
49 | ||
f07756bf LP |
50 | if (action == FAILURE_ACTION_NONE) |
51 | return -ECANCELED; | |
2928b0a8 | 52 | |
b2c23da8 | 53 | if (m->running_as == MANAGER_USER) { |
f07756bf LP |
54 | /* Downgrade all options to simply exiting if we run |
55 | * in user mode */ | |
56 | ||
57 | log_warning("Exiting as result of failure."); | |
58 | m->exit_code = MANAGER_EXIT; | |
59 | return -ECANCELED; | |
60 | } | |
61 | ||
62 | switch (action) { | |
2928b0a8 LP |
63 | |
64 | case FAILURE_ACTION_REBOOT: { | |
65 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
66 | ||
ebc5788e | 67 | log_and_status(m, "Rebooting as result of failure."); |
2928b0a8 LP |
68 | |
69 | update_reboot_param_file(reboot_arg); | |
70 | r = manager_add_job_by_name(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL); | |
71 | if (r < 0) | |
72 | log_error("Failed to reboot: %s.", bus_error_message(&error, r)); | |
73 | ||
74 | break; | |
75 | } | |
76 | ||
77 | case FAILURE_ACTION_REBOOT_FORCE: | |
ebc5788e ZJS |
78 | log_and_status(m, "Forcibly rebooting as result of failure."); |
79 | ||
2928b0a8 LP |
80 | update_reboot_param_file(reboot_arg); |
81 | m->exit_code = MANAGER_REBOOT; | |
82 | break; | |
83 | ||
84 | case FAILURE_ACTION_REBOOT_IMMEDIATE: | |
ebc5788e | 85 | log_and_status(m, "Rebooting immediately as result of failure."); |
2928b0a8 LP |
86 | |
87 | sync(); | |
88 | ||
89 | if (reboot_arg) { | |
90 | log_info("Rebooting with argument '%s'.", reboot_arg); | |
91 | syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, reboot_arg); | |
92 | } | |
93 | ||
94 | log_info("Rebooting."); | |
95 | reboot(RB_AUTOBOOT); | |
96 | break; | |
97 | ||
f07756bf LP |
98 | case FAILURE_ACTION_POWEROFF: { |
99 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
100 | ||
ebc5788e | 101 | log_and_status(m, "Powering off as result of failure."); |
f07756bf LP |
102 | |
103 | r = manager_add_job_by_name(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE, true, &error, NULL); | |
104 | if (r < 0) | |
105 | log_error("Failed to poweroff: %s.", bus_error_message(&error, r)); | |
106 | ||
107 | break; | |
108 | } | |
109 | ||
110 | case FAILURE_ACTION_POWEROFF_FORCE: | |
ebc5788e | 111 | log_and_status(m, "Forcibly powering off as result of failure."); |
f07756bf LP |
112 | m->exit_code = MANAGER_POWEROFF; |
113 | break; | |
114 | ||
115 | case FAILURE_ACTION_POWEROFF_IMMEDIATE: | |
ebc5788e | 116 | log_and_status(m, "Powering off immediately as result of failure."); |
f07756bf LP |
117 | |
118 | sync(); | |
119 | ||
120 | log_info("Powering off."); | |
121 | reboot(RB_POWER_OFF); | |
122 | break; | |
123 | ||
2928b0a8 LP |
124 | default: |
125 | assert_not_reached("Unknown failure action"); | |
126 | } | |
127 | ||
128 | return -ECANCELED; | |
129 | } | |
130 | ||
131 | static const char* const failure_action_table[_FAILURE_ACTION_MAX] = { | |
132 | [FAILURE_ACTION_NONE] = "none", | |
133 | [FAILURE_ACTION_REBOOT] = "reboot", | |
134 | [FAILURE_ACTION_REBOOT_FORCE] = "reboot-force", | |
f07756bf LP |
135 | [FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate", |
136 | [FAILURE_ACTION_POWEROFF] = "poweroff", | |
137 | [FAILURE_ACTION_POWEROFF_FORCE] = "poweroff-force", | |
138 | [FAILURE_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate" | |
2928b0a8 LP |
139 | }; |
140 | DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction); |