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-rw-r--r--src/daemon.c97
-rw-r--r--src/daemon.h19
-rw-r--r--src/main.c101
3 files changed, 119 insertions, 98 deletions
diff --git a/src/daemon.c b/src/daemon.c
index 566c59250..99ba4d9df 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -28,6 +28,46 @@
#include <sys/stat.h>
#include <fcntl.h>
+#ifndef WIN32
+#include <signal.h>
+#include <pwd.h>
+#include <grp.h>
+#endif
+
+void
+daemonize_kill(void)
+{
+#ifndef WIN32
+ FILE *fp;
+ struct config_param *param =
+ parseConfigFilePath(CONF_PID_FILE, 0);
+ int pid, ret;
+
+ if (param == NULL)
+ g_error("no pid_file specified in the config file");
+
+ fp = fopen(param->value, "r");
+ if (fp == NULL)
+ g_error("unable to open %s \"%s\": %s",
+ CONF_PID_FILE, param->value, g_strerror(errno));
+
+ if (fscanf(fp, "%i", &pid) != 1) {
+ g_error("unable to read the pid from file \"%s\"",
+ param->value);
+ }
+ fclose(fp);
+
+ ret = kill(pid, SIGTERM);
+ if (ret < 0)
+ g_error("unable to kill proccess %i: %s",
+ pid, g_strerror(errno));
+
+ exit(EXIT_SUCCESS);
+#else
+ g_error("--kill is not available on WIN32");
+#endif
+}
+
void
daemonize_close_stdin(void)
{
@@ -42,6 +82,50 @@ daemonize_close_stdin(void)
}
void
+daemonize_set_user(void)
+{
+#ifndef WIN32
+ struct config_param *param = config_get_param(CONF_USER);
+
+ if (param && strlen(param->value)) {
+ /* get uid */
+ struct passwd *userpwd;
+ if ((userpwd = getpwnam(param->value)) == NULL) {
+ g_error("no such user \"%s\" at line %i",
+ param->value, param->line);
+ }
+
+ if (setgid(userpwd->pw_gid) == -1) {
+ g_error("cannot setgid for user \"%s\" at line %i: %s",
+ param->value, param->line, strerror(errno));
+ }
+#ifdef _BSD_SOURCE
+ /* init suplementary groups
+ * (must be done before we change our uid)
+ */
+ if (initgroups(param->value, userpwd->pw_gid) == -1) {
+ g_warning("cannot init supplementary groups "
+ "of user \"%s\" at line %i: %s",
+ param->value, param->line, strerror(errno));
+ }
+#endif
+
+ /* set uid */
+ if (setuid(userpwd->pw_uid) == -1) {
+ g_error("cannot change to uid of user "
+ "\"%s\" at line %i: %s",
+ param->value, param->line, strerror(errno));
+ }
+
+ /* this is needed by libs such as arts */
+ if (userpwd->pw_dir) {
+ g_setenv("HOME", userpwd->pw_dir, true);
+ }
+ }
+#endif
+}
+
+void
daemonize(Options *options)
{
#ifndef WIN32
@@ -91,3 +175,16 @@ daemonize(Options *options)
(void)options;
#endif
}
+
+void
+daemonize_delete_pidfile(void)
+{
+ struct config_param *param = parseConfigFilePath(CONF_PID_FILE, 0);
+
+ if (param == NULL)
+ return;
+
+ g_debug("cleaning up pid file");
+
+ unlink(param->value);
+}
diff --git a/src/daemon.h b/src/daemon.h
index f2ea58c5f..8f1b70313 100644
--- a/src/daemon.h
+++ b/src/daemon.h
@@ -22,12 +22,31 @@
#include "cmdline.h"
/**
+ * Kill the MPD which is currently running, pid determined from the
+ * pid file.
+ */
+void
+daemonize_kill(void);
+
+/**
* Close stdin (fd 0) and re-open it as /dev/null.
*/
void
daemonize_close_stdin(void);
+/**
+ * Change to the configured Unix user.
+ */
+void
+daemonize_set_user(void);
+
void
daemonize(Options *options);
+/**
+ * Deletes the pidfile which was created when MPD started.
+ */
+void
+daemonize_delete_pidfile(void);
+
#endif
diff --git a/src/main.c b/src/main.c
index 1bcae8f36..bfe89ae2a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -63,15 +63,9 @@
#include <unistd.h>
#include <stdlib.h>
-#include <signal.h>
#include <errno.h>
#include <string.h>
-#ifndef WIN32
-#include <pwd.h>
-#include <grp.h>
-#endif
-
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
@@ -81,49 +75,6 @@ GMainLoop *main_loop;
struct notify main_notify;
-static void changeToUser(void)
-{
-#ifndef WIN32
- struct config_param *param = config_get_param(CONF_USER);
-
- if (param && strlen(param->value)) {
- /* get uid */
- struct passwd *userpwd;
- if ((userpwd = getpwnam(param->value)) == NULL) {
- g_error("no such user \"%s\" at line %i",
- param->value, param->line);
- }
-
- if (setgid(userpwd->pw_gid) == -1) {
- g_error("cannot setgid for user \"%s\" at line %i: %s",
- param->value, param->line, strerror(errno));
- }
-#ifdef _BSD_SOURCE
- /* init suplementary groups
- * (must be done before we change our uid)
- */
- if (initgroups(param->value, userpwd->pw_gid) == -1) {
- g_warning("cannot init supplementary groups "
- "of user \"%s\" at line %i: %s",
- param->value, param->line, strerror(errno));
- }
-#endif
-
- /* set uid */
- if (setuid(userpwd->pw_uid) == -1) {
- g_error("cannot change to uid of user "
- "\"%s\" at line %i: %s",
- param->value, param->line, strerror(errno));
- }
-
- /* this is needed by libs such as arts */
- if (userpwd->pw_dir) {
- g_setenv("HOME", userpwd->pw_dir, true);
- }
- }
-#endif
-}
-
static void openDB(Options * options, char *argv0)
{
struct config_param *param;
@@ -160,52 +111,6 @@ static void openDB(Options * options, char *argv0)
}
}
-static void cleanUpPidFile(void)
-{
- struct config_param *pidFileParam =
- parseConfigFilePath(CONF_PID_FILE, 0);
-
- if (!pidFileParam)
- return;
-
- g_debug("cleaning up pid file");
-
- unlink(pidFileParam->value);
-}
-
-static void killFromPidFile(void)
-{
-#ifndef WIN32
- FILE *fp;
- struct config_param *pidFileParam =
- parseConfigFilePath(CONF_PID_FILE, 0);
- int pid;
-
- if (!pidFileParam) {
- g_error("no pid_file specified in the config file");
- }
-
- fp = fopen(pidFileParam->value, "r");
- if (!fp) {
- g_error("unable to open %s \"%s\": %s",
- CONF_PID_FILE, pidFileParam->value, strerror(errno));
- }
- if (fscanf(fp, "%i", &pid) != 1) {
- g_error("unable to read the pid from file \"%s\"",
- pidFileParam->value);
- }
- fclose(fp);
-
- if (kill(pid, SIGTERM)) {
- g_error("unable to kill proccess %i: %s",
- pid, strerror(errno));
- }
- exit(EXIT_SUCCESS);
-#else
- g_error("--kill is not available on WIN32");
-#endif
-}
-
static gboolean
timer_save_state_file(G_GNUC_UNUSED gpointer data)
{
@@ -253,7 +158,7 @@ int main(int argc, char *argv[])
parseOptions(argc, argv, &options);
if (options.kill)
- killFromPidFile();
+ daemonize_kill();
stats_global_init();
tag_lib_init();
@@ -261,7 +166,7 @@ int main(int argc, char *argv[])
listenOnPort();
- changeToUser();
+ daemonize_set_user();
main_task = g_thread_self();
main_loop = g_main_loop_new(NULL, FALSE);
@@ -356,7 +261,7 @@ int main(int argc, char *argv[])
archive_plugin_deinit_all();
#endif
music_pipe_free();
- cleanUpPidFile();
+ daemonize_delete_pidfile();
config_global_finish();
tag_pool_deinit();
songvec_deinit();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 00:37:21 +0000