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-rw-r--r--src/login/logind-inhibit.c468
1 files changed, 0 insertions, 468 deletions
diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c
deleted file mode 100644
index f1b9cca834..0000000000
--- a/src/login/logind-inhibit.c
+++ /dev/null
@@ -1,468 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/epoll.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "util.h"
-#include "mkdir.h"
-#include "path-util.h"
-#include "logind-inhibit.h"
-
-Inhibitor* inhibitor_new(Manager *m, const char* id) {
- Inhibitor *i;
-
- assert(m);
-
- i = new0(Inhibitor, 1);
- if (!i)
- return NULL;
-
- i->state_file = strappend("/run/systemd/inhibit/", id);
- if (!i->state_file) {
- free(i);
- return NULL;
- }
-
- i->id = path_get_file_name(i->state_file);
-
- if (hashmap_put(m->inhibitors, i->id, i) < 0) {
- free(i->state_file);
- free(i);
- return NULL;
- }
-
- i->manager = m;
- i->fifo_fd = -1;
-
- return i;
-}
-
-void inhibitor_free(Inhibitor *i) {
- assert(i);
-
- free(i->who);
- free(i->why);
-
- hashmap_remove(i->manager->inhibitors, i->id);
- inhibitor_remove_fifo(i);
-
- if (i->state_file) {
- unlink(i->state_file);
- free(i->state_file);
- }
-
- free(i);
-}
-
-int inhibitor_save(Inhibitor *i) {
- char *temp_path, *cc;
- int r;
- FILE *f;
-
- assert(i);
-
- r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0);
- if (r < 0)
- goto finish;
-
- r = fopen_temporary(i->state_file, &f, &temp_path);
- if (r < 0)
- goto finish;
-
- fchmod(fileno(f), 0644);
-
- fprintf(f,
- "# This is private data. Do not parse.\n"
- "WHAT=%s\n"
- "MODE=%s\n"
- "UID=%lu\n"
- "PID=%lu\n",
- inhibit_what_to_string(i->what),
- inhibit_mode_to_string(i->mode),
- (unsigned long) i->uid,
- (unsigned long) i->pid);
-
- if (i->who) {
- cc = cescape(i->who);
- if (!cc)
- r = -ENOMEM;
- else {
- fprintf(f, "WHO=%s\n", cc);
- free(cc);
- }
- }
-
- if (i->why) {
- cc = cescape(i->why);
- if (!cc)
- r = -ENOMEM;
- else {
- fprintf(f, "WHY=%s\n", cc);
- free(cc);
- }
- }
-
- if (i->fifo_path)
- fprintf(f, "FIFO=%s\n", i->fifo_path);
-
- fflush(f);
-
- if (ferror(f) || rename(temp_path, i->state_file) < 0) {
- r = -errno;
- unlink(i->state_file);
- unlink(temp_path);
- }
-
- fclose(f);
- free(temp_path);
-
-finish:
- if (r < 0)
- log_error("Failed to save inhibit data for %s: %s", i->id, strerror(-r));
-
- return r;
-}
-
-int inhibitor_start(Inhibitor *i) {
- assert(i);
-
- if (i->started)
- return 0;
-
- dual_timestamp_get(&i->since);
-
- log_debug("Inhibitor %s (%s) pid=%lu uid=%lu mode=%s started.",
- strna(i->who), strna(i->why),
- (unsigned long) i->pid, (unsigned long) i->uid,
- inhibit_mode_to_string(i->mode));
-
- inhibitor_save(i);
-
- i->started = true;
-
- manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0");
-
- return 0;
-}
-
-int inhibitor_stop(Inhibitor *i) {
- assert(i);
-
- if (i->started)
- log_debug("Inhibitor %s (%s) pid=%lu uid=%lu mode=%s stopped.",
- strna(i->who), strna(i->why),
- (unsigned long) i->pid, (unsigned long) i->uid,
- inhibit_mode_to_string(i->mode));
-
- if (i->state_file)
- unlink(i->state_file);
-
- i->started = false;
-
- manager_send_changed(i->manager, i->mode == INHIBIT_BLOCK ? "BlockInhibited\0" : "DelayInhibited\0");
-
- return 0;
-}
-
-int inhibitor_load(Inhibitor *i) {
- InhibitWhat w;
- InhibitMode mm;
- int r;
- char *cc,
- *what = NULL,
- *uid = NULL,
- *pid = NULL,
- *who = NULL,
- *why = NULL,
- *mode = NULL;
-
- r = parse_env_file(i->state_file, NEWLINE,
- "WHAT", &what,
- "UID", &uid,
- "PID", &pid,
- "WHO", &who,
- "WHY", &why,
- "MODE", &mode,
- "FIFO", &i->fifo_path,
- NULL);
- if (r < 0)
- goto finish;
-
- w = what ? inhibit_what_from_string(what) : 0;
- if (w >= 0)
- i->what = w;
-
- mm = mode ? inhibit_mode_from_string(mode) : INHIBIT_BLOCK;
- if (mm >= 0)
- i->mode = mm;
-
- if (uid) {
- r = parse_uid(uid, &i->uid);
- if (r < 0)
- goto finish;
- }
-
- if (pid) {
- r = parse_pid(pid, &i->pid);
- if (r < 0)
- goto finish;
- }
-
- if (who) {
- cc = cunescape(who);
- if (!cc) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(i->who);
- i->who = cc;
- }
-
- if (why) {
- cc = cunescape(why);
- if (!cc) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(i->why);
- i->why = cc;
- }
-
- if (i->fifo_path) {
- int fd;
-
- fd = inhibitor_create_fifo(i);
- if (fd >= 0)
- close_nointr_nofail(fd);
- }
-
-finish:
- free(what);
- free(uid);
- free(pid);
- free(who);
- free(why);
-
- return r;
-}
-
-int inhibitor_create_fifo(Inhibitor *i) {
- int r;
-
- assert(i);
-
- /* Create FIFO */
- if (!i->fifo_path) {
- r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0);
- if (r < 0)
- return r;
-
- if (asprintf(&i->fifo_path, "/run/systemd/inhibit/%s.ref", i->id) < 0)
- return -ENOMEM;
-
- if (mkfifo(i->fifo_path, 0600) < 0 && errno != EEXIST)
- return -errno;
- }
-
- /* Open reading side */
- if (i->fifo_fd < 0) {
- struct epoll_event ev;
-
- i->fifo_fd = open(i->fifo_path, O_RDONLY|O_CLOEXEC|O_NDELAY);
- if (i->fifo_fd < 0)
- return -errno;
-
- r = hashmap_put(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1), i);
- if (r < 0)
- return r;
-
- zero(ev);
- ev.events = 0;
- ev.data.u32 = FD_OTHER_BASE + i->fifo_fd;
-
- if (epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_ADD, i->fifo_fd, &ev) < 0)
- return -errno;
- }
-
- /* Open writing side */
- r = open(i->fifo_path, O_WRONLY|O_CLOEXEC|O_NDELAY);
- if (r < 0)
- return -errno;
-
- return r;
-}
-
-void inhibitor_remove_fifo(Inhibitor *i) {
- assert(i);
-
- if (i->fifo_fd >= 0) {
- assert_se(hashmap_remove(i->manager->inhibitor_fds, INT_TO_PTR(i->fifo_fd + 1)) == i);
- assert_se(epoll_ctl(i->manager->epoll_fd, EPOLL_CTL_DEL, i->fifo_fd, NULL) == 0);
- close_nointr_nofail(i->fifo_fd);
- i->fifo_fd = -1;
- }
-
- if (i->fifo_path) {
- unlink(i->fifo_path);
- free(i->fifo_path);
- i->fifo_path = NULL;
- }
-}
-
-InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm) {
- Inhibitor *i;
- Iterator j;
- InhibitWhat what = 0;
-
- assert(m);
-
- HASHMAP_FOREACH(i, m->inhibitor_fds, j)
- if (i->mode == mm)
- what |= i->what;
-
- return what;
-}
-
-static int pid_is_active(Manager *m, pid_t pid) {
- Session *s;
- int r;
-
- r = manager_get_session_by_pid(m, pid, &s);
- if (r <= 0)
- return r;
-
- return session_is_active(s);
-}
-
-bool manager_is_inhibited(
- Manager *m,
- InhibitWhat w,
- InhibitMode mm,
- dual_timestamp *since,
- bool ignore_inactive,
- bool ignore_uid,
- uid_t uid) {
-
- Inhibitor *i;
- Iterator j;
- struct dual_timestamp ts = { 0, 0 };
- bool inhibited = false;
-
- assert(m);
- assert(w > 0 && w < _INHIBIT_WHAT_MAX);
-
- HASHMAP_FOREACH(i, m->inhibitor_fds, j) {
- if (!(i->what & w))
- continue;
-
- if (i->mode != mm)
- continue;
-
- if (ignore_inactive && pid_is_active(m, i->pid) <= 0)
- continue;
-
- if (ignore_uid && i->uid == uid)
- continue;
-
- if (!inhibited ||
- i->since.monotonic < ts.monotonic)
- ts = i->since;
-
- inhibited = true;
- }
-
- if (since)
- *since = ts;
-
- return inhibited;
-}
-
-const char *inhibit_what_to_string(InhibitWhat w) {
- static __thread char buffer[97];
- char *p;
-
- if (w < 0 || w >= _INHIBIT_WHAT_MAX)
- return NULL;
-
- p = buffer;
- if (w & INHIBIT_SHUTDOWN)
- p = stpcpy(p, "shutdown:");
- if (w & INHIBIT_SLEEP)
- p = stpcpy(p, "sleep:");
- if (w & INHIBIT_IDLE)
- p = stpcpy(p, "idle:");
- if (w & INHIBIT_HANDLE_POWER_KEY)
- p = stpcpy(p, "handle-power-key:");
- if (w & INHIBIT_HANDLE_SUSPEND_KEY)
- p = stpcpy(p, "handle-suspend-key:");
- if (w & INHIBIT_HANDLE_HIBERNATE_KEY)
- p = stpcpy(p, "handle-hibernate-key:");
- if (w & INHIBIT_HANDLE_LID_SWITCH)
- p = stpcpy(p, "handle-lid-switch:");
-
- if (p > buffer)
- *(p-1) = 0;
- else
- *p = 0;
-
- return buffer;
-}
-
-InhibitWhat inhibit_what_from_string(const char *s) {
- InhibitWhat what = 0;
- char *w, *state;
- size_t l;
-
- FOREACH_WORD_SEPARATOR(w, l, s, ":", state) {
- if (l == 8 && strncmp(w, "shutdown", l) == 0)
- what |= INHIBIT_SHUTDOWN;
- else if (l == 5 && strncmp(w, "sleep", l) == 0)
- what |= INHIBIT_SLEEP;
- else if (l == 4 && strncmp(w, "idle", l) == 0)
- what |= INHIBIT_IDLE;
- else if (l == 16 && strncmp(w, "handle-power-key", l) == 0)
- what |= INHIBIT_HANDLE_POWER_KEY;
- else if (l == 18 && strncmp(w, "handle-suspend-key", l) == 0)
- what |= INHIBIT_HANDLE_SUSPEND_KEY;
- else if (l == 20 && strncmp(w, "handle-hibernate-key", l) == 0)
- what |= INHIBIT_HANDLE_HIBERNATE_KEY;
- else if (l == 17 && strncmp(w, "handle-lid-switch", l) == 0)
- what |= INHIBIT_HANDLE_LID_SWITCH;
- else
- return _INHIBIT_WHAT_INVALID;
- }
-
- return what;
-}
-
-static const char* const inhibit_mode_table[_INHIBIT_MODE_MAX] = {
- [INHIBIT_BLOCK] = "block",
- [INHIBIT_DELAY] = "delay"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(inhibit_mode, InhibitMode);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-08 11:04:04 +0000